| blob | 7a13135f0e6cda07270b983b9a774d17f0f48e8d |
1 2005-12-10 Andreas Schwab <schwab@suse.de>
3 * except.c (switch_to_exception_section): Only define if
4 TARGET_UNWIND_INFO is not defined.
6 2005-12-10 Richard Sandiford <richard@codesourcery.com>
8 * config/darwin.h (HAS_INIT_SECTION): Remove definition.
9 (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
11 2005-12-10 Richard Sandiford <richard@codesourcery.com>
13 * output.h (init_section, fini_section): Delete.
14 * varasm.c (init_section, fini_section): Delete.
15 (init_varasm_once): Don't initialize them.
16 * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
17 there are no corresponding varasm.c variables.
19 2005-12-10 Richard Sandiford <richard@codesourcery.com>
21 * dwarf2out.c (default_eh_frame_section): Delete, moving handling
22 of EH_FRAME_SECTION_NAME into...
23 (switch_to_eh_frame_section): ...here. Try to set eh_frame_section
24 if it is still null.
25 * except.c (default_exception_section): Delete, moving most
26 of the code to...
27 (switch_to_exception_section): ...this new function. Set
28 exception_section if it is still null, then switch to it.
29 (output_function_exception_table): Use switch_to_exception_section.
30 * varasm.c (exception_section, eh_frame_section): Update comments.
31 (get_section): Hoist use of SECTION_NAMED.
32 (init_varasm_once): Don't set exception_section and eh_frame_section.
33 * output.h (default_exception_section): Delete.
34 (default_eh_frame_section): Delete.
36 2005-12-09 Bernd Schmidt <bernd.schmidt@analog.com>
38 * config/bfin/bfin.c: Include "cgraph.h".
39 (bfin_load_pic_reg): Omit loading pic reg if in a local function.
40 Return the reg that holds the pointer to the GOT.
41 (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
42 doing stack checking.
44 2005-12-09 Diego Novillo <dnovillo@redhat.com>
46 * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
47 recompute_tree_invarant_for_addr_expr.
48 Update uses everywhere.
50 2005-12-09 Aldy Hernandez <aldyh@redhat.com>
52 * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
53 (MULTILIB_DIRNAMES): Define.
55 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
57 PR target/25311
58 * config/s390/s390.c (struct s390_address): New field literal_pool.
59 (s390_decompose_address): Compute literal_pool field. Do not
60 assume register %r13 is always (and solely) used as pool base.
61 (s390_extra_constraint_str): Use literal_pool field.
63 2005-12-09 Thiemo Seufer <ths@networkno.de>
65 * config/mips/mips.c (override_options): Don't allow too small
66 integers in FP registers.
68 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
70 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
71 targetm.binds_local_p to check for local function calls.
73 2005-12-09 Alan Modra <amodra@bigpond.net.au>
75 PR debug/24908
76 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
77 call_used_regs can't be used to save reg in another reg.
79 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
80 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
82 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
83 abort.
84 * except.c (output_ttype): Likewise.
85 * tree-object-size.c (collect_object_sizes_for): Likewise.
86 (check_for_plus_in_loops_1): Likewise.
87 (check_for_plus_in_loops): Likewise.
88 (compute_object_sizes): Use gcc_unreachable instead of abort.
90 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
92 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
93 (loop_end, loop_init, doloop_end): New insns.
94 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
95 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
96 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
97 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
98 * config/ms1/ms1.c: #include basic-block.h
99 (struct machine_function): Add has_loops field.
100 (ms1_add_loop): New.
101 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
102 (struct loop_info, struct loop_work): New.
103 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
104 (ms1_reorg_loops): New loop optimization.
105 (ms1_machine_reorg): Call it.
106 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
108 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
110 PR tree-optimization/25248
111 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
112 evolution_of_loop from the failed attempt. Remove handling
113 of MULT_EXPR.
115 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
117 * tree.h (DECL_EXTERNAL): Clarify documentation.
119 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
120 Jakub Jelinek <jakub@redhat.com>
122 PR target/25268
123 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
124 argument. Don't drop outer ANDs.
125 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
126 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
127 prototype.
128 * config/s390/predicates.md (setmem_operand): Remove.
129 (shift_count_operand): Rename to...
130 (shift_count_or_setmem_operand): ... this. Adjust
131 s390_decompose_shift_count caller.
132 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
133 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
134 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
135 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
136 rotl<mode>3_and, setmem_long_and): New insns.
137 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
138 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
139 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
140 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
141 of shift_count_operand.
142 (setmem_long): Use shift_count_or_setmem_operand instead of
143 setmem_operand.
145 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
146 Andreas Tobler <a.tobler@schweiz.ch>
148 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
149 tr expression.
151 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
153 * expr.c (force_operand): Use convert_to_mode for conversions.
155 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
157 * reload.h (reg_equiv_invariant): Declare.
158 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
159 register also when reg_equiv_invariant[R] is set.
161 2005-12-07 Richard Sandiford <richard@codesourcery.com>
162 Andreas Tobler <a.tobler@schweiz.ch>
164 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
166 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
168 * tree-ssa-pre.c (bitmap_set_and): New function.
169 (bitmap_set_and_compl): New function.
170 (bitmap_set_empty_p): New function.
171 (insert_extra_phis): New function.
172 (compute_avail): Use insert_extra_phis.
174 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
176 * config/s390/s390.c (s390_expand_atomic): New function.
177 Adjust comment of helper functions.
178 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
179 * config/s390/s390.md ("ATOMIC"): New code macro.
180 ("atomic"): Corresponding new code attribute.
181 ("sync_lock_test_and_set[hq]i",
182 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
184 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
186 * config/s390/s390.c (s390_expand_mask_and_shift,
187 struct alignment_context, init_alignment_context,
188 s390_expand_cs_hqi): New.
189 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
190 * config/s390/s390.md ("sync_compare_and_swaphi",
191 "sync_compare_and_swapqi"): New pattern.
193 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
195 Fix PR tree-optimization/25291
196 * tree-ssa-operands.c (add_call_clobber_ops): Remove
197 redundant and crashing check.
199 2005-12-08 Alan Modra <amodra@bigpond.net.au>
201 PR target/25212
202 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
203 tests further when !strict && reload_in_progress.
204 (print_operand): Check that both operands of indexed address are regs.
205 (print_operand_address): Likewise.
206 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
207 (INT_REG_OK_FOR_BASE_P): Correct.
209 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
211 Preparation for PR rtl-optimization/20070 / part1
212 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
213 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
214 outgoing_edges_match.
215 (outgoing_edges_match): Use condjump_equiv_p.
216 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
217 into..
218 * struct-equiv.c: New file.
219 (death_notes_match_p) New function, broken out of insns_match_p.
220 * Makefile.in (OBJS-common): Add struct-equiv.o.
221 (struct-equiv.o): New target.
223 2005-12-07 Richard Sandiford <richard@codesourcery.com>
225 * coretypes.h: Revert previous change.
226 * config/darwin.h: Revert previous reversion.
227 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
229 2005-12-07 Richard Sandiford <richard@codesourcery.com>
231 * coretypes.h (section): Provide dummy definition for target files.
232 * config/darwin.h: Revert previous change.
234 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
236 * doc/sourcebuild.texi (all.build, install-normal): Remove.
237 * configure.ac: Remove all.build and install-normal from target_list
238 * configure: Regenerate.
239 * Makefile.in (install): Don't depend on install-normal.
241 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
243 * Makefile.in: Document the use of stamps.
245 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
247 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
248 * Makefile.in: Add code to compute some dependencies on s-gtype
249 automatically. Remove the declaration of those dependencies.
251 2005-12-07 Richard Sandiford <richard@codesourcery.com>
253 * gcc/reload.c (push_secondary_reload): Fix typo:
254 s/insn_constraint/scratch_constraint/.
256 2005-12-07 Richard Sandiford <richard@codesourcery.com>
258 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
260 2005-12-07 Richard Sandiford <richard@codesourcery.com>
262 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
263 (alpha_elf_select_rtx_section): Return the selected section rather
264 than emitting assembly code.
265 (alpha_write_linkage): Emit a ".link" directive directly and then
266 set in_section to NULL.
267 (vms_asm_out_constructor): Use switch_to_section.
268 (vms_asm_out_destructor): Likewise.
269 (unicosmk_output_common): Set in_section to NULL instead of calling
270 the dummy common_section function.
271 (unicosmk_text_section): Delete in favor of...
272 (unicosmk_output_text_section_asm_op): ...this new function.
273 (unicosmk_data_section): Delete in favor of...
274 (unicosmk_output_data_section_asm_op): ...this new function.
275 (unicosmk_init_sections): New function.
276 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
277 (unicosmk_output_ssib): Set in_section to NULL instead of calling
278 the dummy ssib_section function.
279 (unicosmk_section_buf): Delete.
280 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
281 (unicosmk_data_section): Delete.
282 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
283 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
284 (SECTION_FUNCTION_TEMPLATE): Delete.
285 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
286 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
287 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
288 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
289 (TARGET_ASM_INIT_SECTIONS): Define.
290 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
291 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
292 (link_section, literals_section): Delete.
293 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
294 set in_section to NULL.
296 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
297 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
298 (COMMON_SECTION): Delete.
299 (TARGET_ASM_INIT_SECTIONS): Define.
300 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
301 the dummy common_section function.
302 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
303 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
304 between readonly_data_section and text_section to check whether
305 read-only data is being put in the text section.
306 (arm_output_function_epilogue): Use switch_to_section.
307 (arm_elf_asm_constructor): Likewise.
308 (thumb_call_via_reg): Replace call to in_text_section with
309 a comparison between in_section and text_section.
310 (arm_file_end): Use switch_to_section.
311 (aof_text_section): Delete in favor of...
312 (aof_output_text_section_asm_op): ...this new function.
313 (aof_data_section): Delete in favor of...
314 (aof_output_data_section_asm_op): ...this new function.
315 (aof_asm_init_sections): New function.
316 (zero_init_section): Moved from config/arm/aof.h.
317 (aof_dump_imports, aof_file_start): Use switch_to_section.
318 * config/arm/arm.h (thumb_call_via_label): Update comment.
319 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
320 (common_section): Delete.
321 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
322 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
323 global switch_to_section function instead of the old port-local one.
324 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
325 (SWITCH_TO_SECTION_FUNCTION): Delete.
326 (drectve_section): Redefine as a macro.
327 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
328 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
329 switch_to_section.
331 * config/avr/avr.c (progmem_section): New variable.
332 (avr_output_progmem_section_asm_op): New function.
333 (avr_asm_init_sections): New function.
334 (avr_output_addr_vec_elt): Use switch_to_section.
335 * config/avr/avr.h (progmem_section): Declare.
336 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
337 (READONLY_DATA_SECTION): Delete.
338 (TARGET_ASM_INIT_SECTIONS): Define.
339 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
340 * config/avr/avr-protos.h (progmem_section): Delete.
342 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
344 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
345 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
347 * config/darwin-sections.def: New file.
348 * config/darwin.c: Define all sections in darwin-sections.def.
349 (output_objc_section_asm_op, darwin_init_sections): New functions.
350 (machopic_output_indirection): Use switch_to_section.
351 (machopic_select_section): Return the selected section rather than
352 emitting assembly code. Replace the static function table with
353 inline conditional expressions. Update the tests of last_text_section
354 and move them into the FUNCTION_DECL block.
355 (machopic_select_rtx_section): Return the selected section rather than
356 emitting assembly code.
357 (machopic_asm_out_constructor, machopic_asm_out_destructor)
358 (darwin_file_end): Use switch_to_section.
359 * config/darwin.h: Use darwin-sections.def to declare sections.
360 (INIT_SECTION_ASM_OP): Remove empty definition.
361 (HAS_INIT_SECTION): Define this instead.
362 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
363 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
364 (TARGET_ASM_EH_FRAME_SECTION): Delete.
365 (TARGET_ASM_INIT_SECTIONS): Define.
366 * config/darwin-protos.h (darwin_init_sections): Declare.
367 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
368 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
369 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
370 (constructor_section, destructor_section, mod_init_section): Delete.
371 (mod_term_section): Delete.
372 (darwin_exception_section, darwin_eh_frame_section): Delete.
373 (machopic_select_section): Return a section.
374 (machopic_select_rtx_section): Likewise.
375 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
376 (const_section, const_coal_section, const_data_section): Delete.
377 (const_data_coal_section, data_coal_section, cstring_section): Delete.
378 (literal4_section, literal8_section, constructor_section): Delete.
379 (mod_init_section, mod_term_section, destructor_section): Delete.
380 (objc_class_section, objc_meta_class_section, objc_category_section)
381 (objc_class_vars_section, objc_instance_vars_section): Delete.
382 (objc_cls_meth_section, objc_inst_meth_section): Delete.
383 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
384 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
385 (objc_symbols_section, objc_module_info_section): Delete.
386 (objc_image_info_section, objc_protocol_section): Delete.
387 (objc_string_object_section, objc_constant_string_object_section)
388 (objc_class_names_section, objc_meth_var_names_section): Delete.
389 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
390 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
391 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
392 (darwin_exception_section, darwin_eh_frame_section): Delete.
393 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
395 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
396 (frv_asm_out_destructor): Likewise.
397 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
398 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
399 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
400 get_named_section.
401 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
402 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
403 (data_section): Delete.
405 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
406 (DRECTVE_SECTION_FUNCTION): Delete.
407 (drectve_section): Redefine as a macro that sets in_section after
408 emitting the directive.
409 (SWITCH_TO_SECTION_FUNCTION): Delete.
410 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
411 in_text_section with comparison between in_section and text_section.
412 * config/i386/i386.c (x86_64_elf_select_section): Return the section
413 rather than emitting assembly code. Use get_named_section.
414 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
415 get_named_section.
416 (machopic_output_stub): Use switch_to_section.
417 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
418 (nwld_named_section_asm_out_destructor): Use get_section and
419 switch_to_section.
421 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
422 rather than emitting assembly code.
423 (ia64_rwreloc_select_section): Likewise.
424 (ia64_rwreloc_select_rtx_section): Likewise.
425 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
426 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
427 switch_to_section.
428 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
429 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
431 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
432 section rather than emitting assembly code.
433 (iq2000_select_section): Likewise.
434 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
435 (sbss_section): Delete.
437 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
438 and get_named_section.
439 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
441 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
442 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
443 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
444 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
445 in_section to NULL.
446 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
447 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
448 global switch_to_section function instead of the old port-local one.
449 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
450 (SWITCH_SECTION_FUNCTION): Delete.
451 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
452 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
453 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
454 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
455 in_section to NULL.
456 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
457 global switch_to_section function instead of the old port-local one.
458 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
460 * config/mips/mips.c (mips_file_start): Update comment.
461 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
462 (mips_output_aligned_decl_common): Use switch_to_section.
463 (mips_select_rtx_section): Return the section rather than emitting
464 assembly code. Use get_named_section.
465 (mips_function_rodata_section: Likewise get_section.
466 (build_mips16_function_stub): Use switch_to_section.
467 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
468 (SDATA_SECTION_ASM_OP): Delete.
469 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
470 (EXTRA_SECTION_FUNCTIONS): Delete.
472 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
473 (mmix_asm_output_aligned_local): Use switch_to_section.
475 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
476 (som_one_only_readonly_data_section): New variables.
477 (pa_output_function_epilogue): Set in_section to NULL instead of
478 calling forget_section.
479 (output_deferred_plabels): Use select_section.
480 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
481 of calling forget_section.
482 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
483 (pa_asm_output_aligned_local): Use select_section.
484 (som_text_section_asm_op): Delete in favor of...
485 (som_output_text_section_asm_op): ...this new function.
486 (pa_som_asm_init_sections): New function.
487 (pa_select_section): Return the section rather than emitting
488 assembly code.
489 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
490 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
491 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
492 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
493 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
494 (som_readonly_data_section, som_one_only_readonly_data_section)
495 (som_one_only_data_section, forget_section): Delete.
496 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
497 (TARGET_ASM_INIT_SECTIONS): Define.
498 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
500 * config/rs6000/rs6000.c (read_only_data_section): New variable.
501 (private_data_section, read_only_private_data_section): New variables.
502 (sdata2_section, toc_section): New variables.
503 (rs6000_file_start): Use switch_to_section.
504 (rs6000_assemble_integer): Use comparisons against in_section
505 instead of calling in_toc_section and in_text_section. Use
506 unlikely_text_section_p.
507 (rs6000_elf_output_toc_section_asm_op): New function, derived
508 from the old rs6000/sysv4.h toc_section function.
509 (rs6000_elf_asm_init_sections): New function.
510 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
511 the section rather than emitting assembly code.
512 (machopic_output_stub): Use switch_to_section.
513 (toc_section): Delete dummy function.
514 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
515 switch_to_section and get_section.
516 (rs6000_xcoff_output_readonly_section_asm_op): New function.
517 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
518 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
519 the old rs6000/xcoff.h toc_section function.
520 (rs6000_xcoff_asm_init_sections): New function.
521 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
522 the section rather than emitting assembly code.
523 (rs6000_xcoff_file_start): Use switch_to_section.
524 (rs6000_xcoff_file_end): Likewise.
525 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
526 (sdata2_section, sbss_section, private_data_section): Delete.
527 (read_only_data_section, read_only_private_data_section): Delete.
528 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
529 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
530 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
531 (FINI_SECTION_FUNCTION): Delete.
532 (TARGET_ASM_INIT_SECTIONS): Define.
533 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
534 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
535 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
536 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
537 (READONLY_DATA_SECTION): Delete.
538 (TARGET_ASM_INIT_SECTIONS): Define.
539 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
540 to NULL rather than no_section.
541 (TARGET_ASM_EXCEPTION_SECTION): Delete.
543 * config/sh/sh.c (sh_file_start): Use switch_to_section.
545 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
546 (sparc_output_deferred_case_vectors): Likewise. Remove argument
547 from call to current_function_section.
549 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
550 (bss100_section): New variable.
551 (xstormy16_asm_output_aligned_common): Use switch_to_section.
552 (xstormy16_asm_init_sections): New function.
553 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
554 switch_to_section and get_section.
555 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
556 from calls to current_function_section.
557 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
558 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
559 (TARGET_ASM_INIT_SECTIONS): Define.
560 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
562 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
563 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
564 (FINI_SECTION_FUNCTION): Delete.
566 * config/v850/v850.c: Include gt-v850.h.
567 (rosdata_section, rozdata_section, tdata_section, zdata_section)
568 (zbss_section): New variables.
569 (v850_output_aligned_bss): Use switch_to_section.
570 (v850_asm_init_sections): New function.
571 (v850_select_section): Return the section rather than emitting
572 assembly code.
573 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
574 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
575 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
576 (TARGET_ASM_INIT_SECTIONS): Define.
577 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
578 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
579 (zbss_section): Delete.
581 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
583 * config/vx-common.h (vxworks_exception_section): Delete.
584 (TARGET_ASM_EXCEPTION_SECTION): Delete.
586 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
587 section rather than emitting assembly code.
588 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
589 switch_to_section.
591 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
592 * coretypes.h (section): New union and typedef.
593 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
594 from call to current_function_section.
595 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
596 (dbxout_symbol_location): Use switch_to_section.
597 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
598 most of the code into...
599 (default_eh_frame_section): ...here. Return a section.
600 (collect2_eh_frame_section): Delete, moving most of the code into..
601 (switch_to_eh_frame_section): ...this new function.
602 (debug_info_section, debug_abbrev_section, debug_aranges_section)
603 (debug_macinfo_section, debug_line_section, debug_loc_section)
604 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
605 variables.
606 (output_call_frame_info): Call switch_to_eh_frame_section instead of
607 eh_frame_section. Use switch_to_section and get_section.
608 (dwarf2out_begin_prologue): Use switch_to_section.
609 (AT_string_form): Check the flags in debug_str_section instead of
610 DEBUG_STR_SECTION_FLAGS.
611 (output_comp_unit): Use switch_to_section, get_section, and
612 debug_info_section.
613 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
614 (dwarf2out_begin_block): Use switch_to_section. Remove argument
615 from call to current_function_section.
616 (dwarf2out_var_location): Use unlikely_text_section_p.
617 (dwarf2out_source_line): Use switch_to_section. Remove argument
618 from call to current_function_section.
619 (dwarf2out_start_source_file, dwarf2out_end_source_file)
620 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
621 debug_macinfo_section.
622 (dwarf2out_init): Initialize the new section variables. Use them
623 instead of calls to named_section_flags. Use switch_to_section.
624 (output_indirect_string): Use switch_to_section and debug_str_section.
625 (dwarf2out_finish): Use switch_to_section and the new section
626 variables.
627 * except.c (default_exception_section): Return the section instead
628 of emitting assembly code.
629 (output_function_exception_table): Use the global exception_section
630 variable instead of the target hook. Use switch_to_section. Remove
631 argument from call to current_function_section.
632 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
633 (shorten_branches): Use pointer comparisons to detect whether the
634 text section is the same as readonly_data_section.
635 (profile_function): Use switch_to_section. Remove argument from
636 call to current_function_section.
637 (final_scan_insn): Likewise. Update use of last_text_section.
638 * gengtype.c (open_base_files): Add an include of output.h.
639 * output.h (text_section, data_section, readonly_data_section)
640 (ctors_section, dtors_section, bss_section, init_section)
641 (fini_section, sdata_section): Turn into section pointers.
642 (in_text_section, in_unlikely_text_section, exports_section)
643 (drectve_section, named_section, mergeable_string_section)
644 (last_text_section_name): Delete.
645 (default_exception_section, default_eh_frame_section): Return sections.
646 (SECTION_DECLARED, SECTION_NAMED): New macros.
647 (SECTION_MACH_DEP): Bump value.
648 (section_common, named_section, unnamed_section): New structures.
649 (unnamed_section_callback): New typedef.
650 (section): New union.
651 (sbss_section, exception_section, eh_frame_section): New variables.
652 (in_section, last_text_section): Turn into section pointers.
653 (get_unnamed_section, get_section, get_named_section): New functions.
654 (mergeable_constant_section, function_section): Return a section.
655 (unlikely_text_section): Likewise.
656 (current_function_section): Likewise. Remove the decl argument.
657 (unlikely_text_section_p, switch_to_section): New functions.
658 (output_section_asm_op): New function.
659 (set_named_section_flags, named_section_flags, named_section_real)
660 (named_section_first_declaration): Delete.
661 (default_select_section, default_elf_select_section): Return a section.
662 (default_elf_select_section_1, default_function_rodata_section)
663 (default_no_function_rodata_section, default_select_rtx_section)
664 (default_elf_select_rtx_section): Likewise.
665 * rtl.h (in_data_section): Delete.
666 * sdbout.c (sdbout_one_type): Use switch_to_section.
667 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
668 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
669 (TARGET_ASM_EH_FRAME_SECTION): Poison.
670 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
671 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
672 (TARGET_ASM_OUT): Update after above changes.
673 * target.h (init_sections): New hook.
674 (exception_section, eh_frame_section): Delete.
675 (select_section, select_rtx_section, function_rodata_section): Return
676 a section rather than emitting assembly code.
677 * varasm.c (text_section, data_section, readonly_data_section)
678 (ctors_section, dtors_section, bss_section, init_section)
679 (fini_section): Turn into section pointers.
680 (sdata_section, sbss_section, exception_section): New variables.
681 (eh_frame_section): New variable.
682 (in_section): Make global and turn into a section pointer.
683 (last_text_section): Turn into a section pointer.
684 (unnamed_sections): New variable.
685 (in_named_name, last_text_section_name): Delete.
686 (EXTRA_SECTION_FUNCTIONS): Delete.
687 (in_named_entry): Delete.
688 (section_htab): New variable, replacing...
689 (in_named_htab): ...this deleted variable.
690 (section_entry_eq, section_entry_hash): New functions, based on...
691 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
692 (get_unnamed_section, get_section): New functions.
693 (unlikely_text_section): Return a section instead of emitting
694 assembly code.
695 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
696 (get_named_section_flags, named_section_first_declaration): Delete.
697 (unlikely_text_section_p): New function.
698 (named_section_real, named_section): Delete.
699 (get_named_section): New function.
700 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
701 (function_section): Return a section rather than emitting
702 assembly code.
703 (current_function_section): Likewise. Remove argument. Use
704 last_text_section if nonnull, otherwise use function_section.
705 (default_function_rodata_section): Return a section rather than
706 emitting assembly code. Use get_section.
707 (default_no_function_rodata_section): Return a section rather than
708 emitting assembly code.
709 (variable_section): Use switch_to_section and get_named_section.
710 (mergeable_string_section): Return a section rather than emitting
711 assembly code. Use get_section. Make static. Don't take special
712 countermeasures for empty strings.
713 (mergeable_constant_section): Return a section rather than emitting
714 assembly code. Use get_section.
715 (default_named_section_asm_out_destructor): Use switch_to_section
716 and get_section.
717 (default_dtor_section_asm_out_destructor): Use switch_to_section.
718 (default_named_section_asm_out_constructor): Use switch_to_section
719 and get_section.
720 (default_ctor_section_asm_out_constructor): Use switch_to_section.
721 (assemble_start_function): Likewise. Set last_text_section to
722 NULL rather than no_section. Change the type of save_section.
723 (assemble_zeros, assemble_variable): Use the section flags to detect
724 whether or not a section is text.
725 (assemble_static_space): Use switch_to_section.
726 (assemble_trampoline_template): Likewise.
727 (output_constant_def_contents): Use switch_to_section and
728 get_named_section.
729 (output_constant_pool_1): Use switch_to_section. Use the section
730 flags to see whether sections contain mergeable data.
731 (init_varasm_once): Initialize section_htab instead of in_named_htab.
732 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
733 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
734 whether a section has already been declared.
735 (default_select_section, default_elf_select_section): Return a
736 section rather than emitting assembly code.
737 (default_elf_select_section_1): Likewise. Use bss_section for
738 SECCAT_BSS if nonnull. Use get_named_section.
739 (default_select_rtx_section): Return a section rather than
740 emitting assembly code.
741 (default_elf_select_rtx_section): Likewise. Use get_named_section.
742 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
743 (output_section_asm_op, switch_to_section): New functions.
744 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
745 get_named_section.
747 * doc/tm.texi: Expand the introduction to the sections documentation.
748 (TRAMPOLINE_SECTION): Document new interface.
749 (SDATA_SECTION_ASM_OP): Document new macro.
750 (READONLY_DATA_SECTION): Delete.
751 (SDATA_SECTION_ASM_OP): Document new macro.
752 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
753 (TARGET_ASM_INIT_SECTIONS): Document new hook.
754 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
755 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
756 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
758 2005-12-07 Alan Modra <amodra@bigpond.net.au>
760 * gcc.c (init_gcc_specs): Match braces inside conditionally
761 compiled strings.
763 2005-12-06 Geoffrey Keating <geoffk@apple.com>
765 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
767 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
769 PR C++/24138
770 * tree.c (integer_all_onesp): Always return true if all bits on.
772 * testsuite/g++.dg/init/array0.C: New.
774 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
776 * doc/md.texi: Adapt to implementation.
778 2005-12-06 Andreas Schwab <schwab@suse.de>
780 * opts.c (decode_options): Fix typo in message.
782 2005-12-06 Alan Modra <amodra@bigpond.net.au>
784 PR other/13873
785 * longlong.h: Merge PPC tests from upstream.
787 2005-12-06 Richard Guenther <rguenther@suse.de>
789 * fold-const.c (fold_convert): Do not build and fold
790 CONVERT_EXPR, but always use NOP_EXPR.
792 2005-12-06 Jan Beulich <jbeulich@novell.com>
794 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
795 __builtin_ia32_paddq and __builtin_ia32_subq.
796 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
797 __builtin_ia32_pshufw.
798 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
800 2005-12-05 James E Wilson <wilson@specifix.com>
802 PR target/24934
803 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
804 is set.
806 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
808 * print-tree.c (print_node): Ditto.
809 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
810 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
811 before accessing DECL_ARTIFICIAL.
812 Handle new tag tree codes.
813 * tree-flow-inline.h (clear_call_clobbered): Update for tag
814 changes.
815 (unmodifiable_var_p): Ditto.
816 * tree-flow.h (mem_tag_kind): Remove.
817 (struct var_ann_d): Remove mem_tag_kind member.
818 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
819 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
820 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
821 (group_aliases): Ditto.
822 (setup_pointers_and_addressables): Ditto.
823 (is_escape_site): Ditto.
824 (may_alias_p): Ditto.
825 (create_tag_raw): New function.
826 (create_memory_tag): Use it.
827 (dump_alias_info): Update for tags.
828 (may_be_aliased): Ditto.
829 (add_type_alias): Ditto.
830 (new_type_alias): Ditto.
831 (create_sft): Ditto.
832 (create_structure_vars): Ditto.
833 * tree-ssa-ccp.c (get_default_value): Ditto.
834 * tree-ssa-operands.c (get_expr_operands): Ditto.
835 (add_stmt_operand): Ditto.
836 (add_call_clobber_ops): Remove duplicated condition.
837 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
838 tags.
839 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
840 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
841 * tree.c (init_ttree): Update structures for new tree codes.
842 (tree_code_size): Update sizes for new tree codes.
843 (make_node_stat): Don't try to set common things on minimal
844 structures.
845 (tree_node_structure): Update for tags.
846 (is_global_var): Ditto.
847 * tree.def: Add new tree codes.
848 * tree.h (MTAG_P): New macro.
849 (TREE_MEMORY_TAG_CHECK): Ditto.
850 (SSA_VAR_P): Update for tags.
851 (struct tree_memory_tag): New structure.
852 (MTAG_GLOBAL): New macro.
853 (union tree_node): Add memory tag member.
854 * treestruct.def (TS_MEMORY_TAG): New.
856 2005-12-05 Dale Johannesen <dalej@apple.com>
858 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
859 what was approved (PR 24323).
861 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
863 * doc/c-tree.texi (Function Bodies): Remove description of
864 RETURN_INIT.
866 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
868 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
869 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
870 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
871 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
872 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
873 __divxc3): Document.
875 2005-12-05 Geoffrey Keating <geoffk@apple.com>
877 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
878 previous behaviour.
879 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
880 hook_bool_void_false.
881 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
882 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
884 * config/darwin.c (machopic_select_section): It's not defined
885 as weak if it's only marked as weak_import.
887 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
888 Prototype.
890 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
891 A hidden weak object does bind locally. Strong linkonce data
892 counts like any other strong symbol for binding.
893 (weak_finish_1): Don't specially handle weakrefs, they no longer
894 arrive here.
895 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
896 * c-common.c (handle_alias_attribute): Allow static aliases
897 of variables.
898 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
899 * gthr-dce.h: Make weakrefs static.
900 * gthr-tpf.h: Likewise.
901 * gthr-solaris.h: Likewise.
902 * gthr-posix.h: Likewise.
903 * gthr-posix95.h: Likewise.
904 * config/darwin.c (darwin_encode_section_info): static weakref
905 variables are not necessarily defined in this translation unit.
906 * doc/extend.texi (Function Attributes): Mention that an alias
907 attribute creates a definition for the thing it's attached to.
908 Change the documentation for weakref to say that the thing
909 it's attached to must be static.
911 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
912 we don't go into an infinite loop.
914 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
916 * config/rs6000/predicates.md (logical_const_operand): Split
917 out of logical_operand.
918 (logical_operand): Use it.
919 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
920 logical_const_operand.
922 2005-12-05 Jan Beulich <jbeulich@novell.com>
924 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
925 and IX86_BUILTIN_CMPNESS.
926 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
927 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
928 * config/i386/i386.md (movti_internal): Correct type attribute.
929 Simplify mode attribute.
930 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
931 Correct type attribute.
932 (absxf2): Correct operator.
933 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
934 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
935 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
936 mode attribute.
937 (sse2_vmsqrtv2df2): Correct mode attribute.
939 2005-12-05 Jan Beulich <jbeulich@novell.com>
941 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
942 16 bits. Provide insn pattern for this case.
944 2005-12-05 Jan Beulich <jbeulich@novell.com>
946 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
947 result.
948 (__popcountDI2): Likewise.
950 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
952 PR target/25166
953 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
954 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
955 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
956 functions.
958 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
960 * c-typeck.c (null_pointer_constant_p): New function.
961 (build_conditional_expr, build_c_cast, convert_for_assignment,
962 build_binary_op): Use it.
964 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
966 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
967 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
968 CONVERT_EXPR.
969 (check_function_arguments_recurse): Allow both NOP_EXPR and
970 CONVERT_EXPR but check conversions preserve precision.
971 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
972 but check conversions preserve precision.
973 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
974 default case.
976 2005-12-04 Roger Sayle <roger@eyesopen.com>
978 PR c/7776
979 * common.opt (Wstring-literal-comparison): New command line option.
980 * c-opts.c (c_common_handle_option): Set it with -Wall.
981 * c-typeck.c (parser_build_binary_op): Issue warning if either
982 operand of a comparison operator is a string literal, except for
983 testing equality or inequality against NULL.
985 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
987 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
989 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
990 of building a NOP_EXPR.
991 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
992 NOP_EXPR.
993 * c-convert.c (convert): Use fold_convert instead of building
994 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
995 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
996 #if 0 code.
997 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
998 NOP_EXPR the same as CONVERT_EXPR.
999 * c-typeck.c (build_function_call): Use fold_convert instead of
1000 building a NOP_EXPR directly.
1001 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1003 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1005 PR rtl-optimization/25197
1006 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1007 have a reg.
1009 2005-12-02 Stuart Hastings <stuart@apple.com>
1011 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1012 warning.
1014 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
1016 * c-typeck.c (default_function_array_conversion,
1017 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1018 (build_conditional_expr): Apply integer_zerop to orig_op1 and
1019 orig_op2. Don't check them for NOP_EXPR.
1020 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1021 around integer zero.
1023 2005-12-03 Alan Modra <amodra@bigpond.net.au>
1025 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1026 toc_save_offset, toc_size, lr_size.
1027 (rs6000_stack_info): Use memset rather than bss struct copy to init.
1028 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1029 Adjust for removal of unused rs6000_stack_t fields.
1030 (debug_stack_info): Adjust.
1031 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
1032 first, and don't bother checking for set/inc of lr on sibcalls.
1033 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1035 2005-12-02 Jakub Jelinek <jakub@redhat.com>
1037 PR target/25199
1038 * config/i386/i386.md (movqi_1): Only force imovx for alternative
1039 5 if operand 1 is not aligned. Undo previous constraint change.
1040 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1042 2005-12-02 Richard Guenther <rguenther@suse.de>
1044 * tree.h (build): Remove prototype.
1045 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1046 * tree.c (build): Remove.
1047 (build0_stat): Update comment.
1049 2005-12-02 Richard Guenther <rguenther@suse.de>
1051 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1052 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1053 Likewise.
1054 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1055 maybe_fold_offset_to_component_ref): Likewise.
1056 * tree-ssa-dom.c (thread_across_edge,
1057 simplify_rhs_and_lookup_avail_expr,
1058 find_equivalent_equality_comparison, record_equivalences_from_stmt):
1059 Likewise.
1060 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1061 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1062 lower_try_finally_switch): Likewise.
1063 * tree-if-conv.c (add_to_dst_predicate_list,
1064 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1065 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1066 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1067 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1068 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1069 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1070 gimplify_init_ctor_eval, gimplify_init_constructor,
1071 gimplify_variable_sized_compare, gimplify_boolean_expr,
1072 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1073 gimplify_expr, gimplify_body, gimplify_function_tree,
1074 force_gimple_operand): Likewise.
1075 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1076 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1077 mx_register_decls): Likewise.
1078 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1079 get_frame_field, finalize_nesting_tree_1): Likewise.
1080 * tree-inline.c (setup_one_parameter): Likewise.
1081 * tree-vect-transform.c (vectorizable_condition): Likewise.
1082 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1083 Likewise.
1084 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1085 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1086 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1087 * tree-chrec.h (build_polynomial_chrec): Likewise.
1089 2005-12-02 Richard Guenther <rguenther@suse.de>
1091 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1092 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1093 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1094 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1095 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1096 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1097 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1098 Likewise.
1099 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1100 sh_adjust_unroll_max): Likewise.
1101 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1102 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1103 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1104 Likewise.
1105 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1106 Likewise.
1107 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1108 Likewise.
1110 2005-12-02 Richard Guenther <rguenther@suse.de>
1112 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1113 simplify_cond_using_ranges): Use buildN instead of build.
1114 * tree-tailcall.c (adjust_accumulator_values,
1115 adjust_return_value): Likewise.
1116 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1117 generate_element_copy, generate_element_zero,
1118 generate_one_element_init): Likewise.
1119 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1120 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1121 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1122 perfect_nestify): Likewise.
1124 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1126 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1128 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1130 * ggc.h (GGC_RESIZEVEC): New.
1132 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1134 * gcc.c (execute): Improve readability.
1136 2005-12-02 Richard Guenther <rguenther@suse.de>
1138 * tree-cfg.c (mark_used_vars): New function.
1139 (dump_function_to_file): Dump only used VAR_DECLs.
1141 2005-12-02 Richard Guenther <rguenther@suse.de>
1143 * convert.c (convert_to_integer): Fix compare for nonpositive
1144 constant to use tree_int_cst_sgn <= 0.
1146 2005-12-02 Richard Guenther <rguenther@suse.de>
1148 * convert.c (convert_to_integer): Use fold_convert instead
1149 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1150 instead of comparing against 0. Use build_int_cst instead
1151 of converting integer_zero_node.
1153 2005-12-02 Richard Guenther <rguenther@suse.de>
1155 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1156 and RROTATE_EXPR.
1158 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1160 PR target/21017
1161 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1162 rotates.
1164 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1166 PR middle-end/25176
1167 * function.c (expand_function_end): Emit blockage for unwinder
1168 after return label.
1170 2005-12-01 Roger Sayle <roger@eyesopen.com>
1172 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1173 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1174 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1175 integer constant comparisons.
1177 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1178 Janis Johnson <janis187@us.ibm.com>
1179 David Edelsohn <dje@watson.ibm.com>
1180 Ben Elliston <bje@au.ibm.com>
1182 * dfp.h, dfp.c: New files.
1183 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1184 (DECNUM_H): Likewise.
1185 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1186 (INCLUDES): Append $(DECNUMINC).
1187 (OBJS-common): Add dfp.o.
1188 (dfp.o): New rule.
1189 * real.h (EXP_BITS): Pinch one bit to ..
1190 (struct real_value): Add decimal field.
1191 (real_format): Change table size, update documentation.
1192 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1193 (real_from_string3): Declare.
1194 (decimal_single_format): Declare.
1195 (decimal_double_format): Declare.
1196 (decimal_quad_format): Declare.
1197 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1198 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1199 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1200 * real.c: Include dfp.h.
1201 (normalize): Early return for decimal floats.
1202 (do_add): Zero decimal field.
1203 (do_compare): Call do_decimal_compare for decimal floats.
1204 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1205 (real_arithmetic): Call decimal_real_arithmetic for decimal
1206 floating point operands.
1207 (real_identical): If a and b are of differing radix, return false.
1208 (real_to_integer): Call decimal_real_to_integer if the value is a
1209 decimal float.
1210 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1211 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1212 (real_to_hexadecimal): Place "N/A" in the return string for
1213 decimal float.
1214 (real_from_string3): New variant, given a mode.
1215 (real_maxval): Use decimal_real_maxval for decimal floats.
1216 (round_for_format): Use decimal_round_for_format for decimals.
1217 (real_convert): Use decimal_real_convert where appropriate.
1218 (significand_size): Handle base 10.
1219 (encode_decimal_single, decode_decimal_single,
1220 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1221 decode_decimal_quad): New functions.
1222 (decimal_single_format): New.
1223 (decimal_double_format): New.
1224 (decimal_quad_format): New.
1225 * machmode.def: Add SD, DD and TD decimal floating point modes.
1226 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1227 Include MODE_DECIMAL_FLOAT.
1228 (DECIMAL_FLOAT_MODE_P): New.
1229 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1230 * genmodes.c (struct mode_data): Add counter field.
1231 (struct mode_data): Update comment for format.
1232 (blank_mode): Initialise counter field.
1233 (new_mode): Increment counter field for each mode defined.
1234 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1235 using a format.
1236 (make_complex_modes): Handle modes containing `D'.
1237 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1238 (make_decimal_float_mode): New.
1239 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1240 (cmp_modes): Compare counter field if other characteristics
1241 similar.
1242 (emit_real_format_for_mode): Support formats for decimal floats.
1243 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1244 Document MODE_DECIMAL_FLOAT.
1246 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1248 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1249 Delete dead code.
1251 2005-12-01 Richard Henderson <rth@redhat.com>
1253 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1255 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1259 * config/pa/pa.c (pa_init_builtins): If we detect
1260 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1261 putc_unlocked.
1263 2005-12-01 Richard Guenther <rguenther@suse.de>
1265 * fold-const.c (fold_binary): Use fold_build2, not
1266 fold (build (...)).
1268 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1270 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1272 * vec.h (VEC_block_remove): New.
1274 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1276 PR c/13384
1277 * c-common.c (lvalue_error): Fix wording.
1279 2005-12-01 Richard Guenther <rguenther@suse.de>
1281 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1282 thinko in last patch.
1284 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1286 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1287 than -flat_namespace.
1289 2005-12-01 Ben Elliston <bje@au.ibm.com>
1291 * mklibgcc.in: Parameterise the script to build soft float
1292 functions by iterating over each type, rather than cloning the
1293 code for each type.
1295 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1297 PR middle-end/25158
1298 * builtins.c (fold_builtin_fputs): Defer check for missing
1299 replacement functions.
1301 2005-11-30 Kean Johnston <jkj@sco.com>
1303 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1304 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1306 2005-11-30 Richard Guenther <rguenther@suse.de>
1308 PR tree-optimization/22501
1309 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1310 function split out from ...
1311 (forward_propagate_addr_expr): ... here. Use it to propagate
1312 ADDR_EXPRs to all uses.
1314 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1316 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1317 * builtins.c (expand_builtin_mathfn): Use them.
1318 (expand_builtin_mathfn_2): Likewise.
1319 (expand_builtin_mathfn_3): Likewise.
1320 (expand_builtin_int_roundingfn): Likewise.
1321 (expand_builtin): Likewise.
1322 (integer_valued_real_p): Likewise.
1323 (fold_builtin_int_roundingfn): Likewise.
1324 (fold_builtin_bitop): Likewise.
1325 (fold_builtin_logarithm): Likewise.
1326 (fold_builtin_1): Likewise.
1327 * convert.c (convert_to_integer): Likewise.
1328 * fold-const.c (negate_mathfn_p): Likewise.
1329 (tree_expr_nonnegative_p): Likewise.
1331 2005-11-30 Dale Johannesen <dalej@apple.com>
1332 Andrew Pinski <pinskia@physics.uc.edu>
1334 * combine.c (find_split_point): Sign extend bitmask
1335 when changing bitfield assignment to IOR of AND.
1337 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1339 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1340 clobber to scratch reg.
1341 (*decrement_and_branch_until_zero_no_clobber): Remove.
1342 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1343 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1344 * config/ms1/ms1.opt (mmul): Remove.
1345 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1346 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1348 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1349 Bernd Schmidt <bernd.schmidt@analog.com>
1351 * pa/predicates.md (symbolic_operand): Add comment.
1352 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1353 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1354 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1355 (pa_secondary_reload_class): Delete.
1356 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1357 and pa_secondary_reload_class. Reorder some checks. Update inline
1358 copy of symbolic operand.
1359 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1361 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1363 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1364 jump.
1366 2005-11-30 Jeff Law <law@redhat.com>
1368 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1369 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1371 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1373 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1374 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1375 (ia64_expand_move): Adjust caller.
1377 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1378 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1379 negate VAL.
1381 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1383 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1384 Always produce an output if we can remove NEGs or canonicalize
1385 (minus (minus ...)) expressions. Provide a fast path for the
1386 two-operand case.
1387 (simplify_gen_binary): Do not call simplify_plus_minus.
1388 (simplify_binary_operation_1): Reassociate at the end of the
1389 function.
1391 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1393 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1394 moves and unpack to speed up.
1396 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1398 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1399 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1400 (gen_v9_scc): Update callers.
1401 * config/sparc/sparc.md: Likewise.
1402 * config/sparc/sparc-protos.h: Update extern declaration.
1404 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1406 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1408 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1409 the if.
1411 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1413 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1414 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1415 (negate_expr): Here.
1417 2005-11-29 Ben Elliston <bje@au.ibm.com>
1419 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1420 Fix typo in comment.
1422 2005-11-29 Ben Elliston <bje@au.ibm.com>
1424 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1425 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1427 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1429 PR middle-end/20109
1430 PR middle-end/25120
1431 * builtins.c (init_target_chars): New.
1432 (expand_builtin_printf, expand_builtin_fprintf,
1433 expand_builtin_sprintf, fold_builtin_sprintf,
1434 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1435 fold_builtin_snprintf_chk, fold_builtin_printf,
1436 fold_builtin_fprintf): Check for matching format strings using
1437 the target charset.
1439 2005-11-29 Paul Brook <paul@codesourcery.com>
1441 * config.gcc: Do not use fixproto on m68k-elf.
1443 2005-11-28 Roger Sayle <roger@eyesopen.com>
1445 * expmed.c (div_cost): Replace with...
1446 (sdiv_cost, udiv_cost): New.
1447 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1448 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1449 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1450 (expand_divmod): Replace use of div_cost with either sdiv_cost
1451 or udiv_cost depending upon the signedness of the operation.
1453 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1455 PR libfortran/24991
1456 * config/darwin.c (machopic_indirection_name,
1457 machopic_output_indirection): Follow transparent alias chain.
1459 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1461 * varasm.c (ultimate_transparent_alias_target): Add comment.
1463 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1465 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1466 SET_SRC instead of XEXP where appropriate.
1468 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1470 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1471 __builtin_expect.
1473 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1475 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1476 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1477 bit at a time.
1479 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1481 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1482 secondary_input_reload_class, made static. Adapt to new
1483 infrastructure.
1484 (secondary_output_reload_class): Delete.
1485 (TARGET_SECONDARY_RELOAD): New macro.
1486 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1487 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1489 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1491 PR c++/21166
1492 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1493 when its natural alignment is > BITS_PER_UNIT.
1494 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1495 * c-common.c (handle_packed_attribute): Ignore packing on a field
1496 whose type is naturally char aligned.
1498 2005-11-28 Richard Guenther <rguenther@suse.de>
1500 * c-common.c (strict_aliasing_warning): Handle all
1501 component-ref like accesses.
1503 2005-11-28 Roger Sayle <roger@eyesopen.com>
1504 Uros Bizjak <uros@kss-loka.si>
1506 PR middle-end/20219
1507 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1508 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1509 when flag_unsafe_math_optimizations is set and
1510 we don't care about NaNs or Infinities.
1512 Move x/expN(y) and x/pow(y,z) transformation into common
1513 flag_unsafe_math_optimizations section.
1515 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1517 * gcc.c (main): Change type of argv to "char **".
1519 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1521 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1522 small data sections.
1523 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1524 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1525 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1526 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1527 output locals to sbss if !rs6000_elf_in_small_data_p.
1528 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1530 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1532 PR target/24997
1533 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1534 generated by reload.
1535 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1536 indexed_or_indirect_address.
1537 (indexed_or_indirect_address): Don't test for base reg. Call
1538 address_operand last. Make it a special predicate.
1540 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1542 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1544 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1546 PR middle-end/24575
1547 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1548 is undefined.
1549 (negate_expr): Likewise.
1551 2005-11-27 Andreas Schwab <schwab@suse.de>
1553 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1554 redundant parens.
1556 2005-11-27 Steven Bosscher <stevenb@suse.de>
1558 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1559 has EH predecessor edges.
1561 2005-11-26 Eric Christopher <echristo@apple.com>
1563 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1564 register stalls by zero extending to the full register.
1566 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1568 * config/floatunsisf.c, config/floatunsidf.c,
1569 config/floatunsixf.c, config/floatunsitf.c: New files.
1570 * config/ia64/t-hpux: Add floatunsitf.c.
1571 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1572 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1574 2005-11-26 Richard Henderson <rth@redhat.com>
1576 * c-lex.c (pragma_lex): Rename from c_lex.
1577 * c-pch.c: Update for pragma_lex rename.
1578 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1579 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1580 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1581 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1582 * doc/tm.texi: Likewise.
1584 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1586 PR middle-end/23669
1587 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1588 when overflow is undefined.
1590 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1592 * doc/md.texi (Insn Canonicalizations): Refer to the
1593 function commutative_operand_precedence for further rules.
1595 2005-11-25 Roger Sayle <roger@eyesopen.com>
1597 PR middle-end/21309
1598 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1599 is less than zero. Limit mult_cost to a reasonable upper bound for
1600 the synthetic multiplication sequence.
1602 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1604 PR middle-end/25022
1605 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1606 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1607 Lookup the explicit replacement functions for any unlocked
1608 stdio builtin transformations.
1610 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
1612 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1613 earlyclobber.
1614 * targhooks.c (default_secondary_reload): Don't require operand 2
1615 for an input reload to be earlyclobber.
1617 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1619 * fold-const.c (negate_mathfn_p): Fix comment and add support
1620 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1621 BUILT_IN_ATANH.
1623 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1625 PR middle-end/24998
1626 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1627 _Q_ulltoq for unsigned conversions from SImode and DImode to
1628 TFmode.
1630 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1632 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1633 (__floatundidf, __floatundisf): Likewise.
1635 2005-11-25 David Edelsohn <edelsohn@gnu.org>
1637 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1638 (rs6000_override_options): Remove initialization of
1639 rs6000_sr_alias_set.
1640 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1641 (rs6000_emit_stack_tie): Same.
1642 (emit_frame_save): Same.
1643 (gen_frame_mem_offset): Same.
1644 (rs6000_emit_prologue): Same.
1645 (rs6000_emit_epilogue): Same.
1647 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1649 PR middle-end/24989
1650 * fold-const.c (fold_build): Convert bool_var != 1 and
1651 bool_var == 0 to !bool_var.
1653 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1655 PR middle-end/24990
1656 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1657 for C being INTEGER_CST. Likewise for !=.
1659 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1661 PR middle-end/24998
1662 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1663 unsigned conversions from SImode to TFmode.
1665 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1667 * expr.c (expand_expr_real_1): Fix error in last change.
1669 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1671 * caller-save.c: (this_insn_sets): Move into:
1672 (save_call_clobbered_regs).
1673 (mark_set_regs): Get this_insn_sets from data.
1675 (save_call_clobbered_regs): Take sets of the return value by
1676 sibcalls into account.
1678 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1679 PR target/21623:
1681 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1682 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1683 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1684 (memory_move_secondary_cost, init_reg_autoinc): Remove
1685 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1686 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1687 secondary_reload_class call.
1688 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
1689 callers.
1690 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1691 (push_secondary_reload): Use secondary_reload target hook.
1692 (secondary_reload_class, scratch_reload_class): New functions.
1693 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1694 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
1695 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1696 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1697 (secondary_reload_class, scratch_reload_class): Declare.
1698 * reload1.c: Include target.h.
1699 (reload_adjust_reg_for_temp): New function.
1700 (reload_adjust_reg_for_icode): Likewise.
1701 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1702 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1703 call.
1704 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
1705 for inheritance. Support case when both secondary & tertiary reloads
1706 are for intermediate registers.
1707 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1708 with secondary_reload_class call. Support case when both secondary
1709 & tertiary reloads are for intermediate registers.
1710 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1711 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1712 * target.h (secondary_reload_info): New struct / typedef.
1713 (struct gcc_target): New member secondary_reload.
1714 * targhooks.c Include reload.h, optabs.h and recog.h.
1715 (default_secondary_reload): New function.
1716 * targhooks.h (default_secondary_reload): Declare.
1717 * doc/tm.texi: Document secondary_reload target hook. Update
1718 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1719 * doc/md.texi: Likewise.
1721 * sh-protos.h (sh_secondary_reload): Declare.
1722 * sh.c (TARGET_SECONDARY_RELOAD): Override.
1723 (sh_secondary_reload): New function.
1724 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1725 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1726 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1727 (HAVE_SECONDARY_RELOADS): Define.
1728 * sh.md (reload_indf): Rename to:
1729 (reload_indf__frn).
1730 (reload_outdf): Rename to:
1731 (reload_outdf__RnFRm).
1732 (reload_insf): Rename to:
1733 (reload_insf__frn).
1734 (reload_insi): Rename to:
1735 (reload_insi__i_fpul).
1737 2005-11-24 Uros Bizjak <uros@kss-loka.si>
1739 * configure.ac: Require at least texinfo 4.4.
1740 * configure: Regenerate.
1742 * doc/install.texi (Tools/packages necessary for building GCC):
1743 Update required version of texinfo to at least 4.4.
1744 (Installing GCC: Building): Update required version of texinfo
1745 to at least 4.4.
1746 (Installing GCC: Final installation): Update required version
1747 of texi2dvi to at least 4.4.
1748 (Host/target specific installation notes for GCC): Update required
1749 version of texinfo to at least 4.4.
1751 2005-11-24 Richard Guenther <rguenther@suse.de>
1752 Dirk Mueller <dmueller@suse.de>
1754 PR c++/14024
1755 * c-common.h (strict_aliasing_warning): Declare.
1756 * c-common.c (strict_aliasing_warning): New function,
1757 split out from ...
1758 * c-typeck.c (build_c_cast): ... here.
1760 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1762 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1763 to order operands.
1764 (swap_commutative_operands_with_target): New.
1766 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1768 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1769 also when doing PRE, rather than only for global CPROP.
1771 2005-11-24 Ben Elliston <bje@au.ibm.com>
1773 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1774 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1775 formatting.
1776 (expand_twoval_unop): Likewise.
1777 (widen_clz): Likewise.
1778 (expand_parity): Likewise.
1779 (expand_unop): Likewise.
1780 (emit_cmp_and_jmp_insn_1): Likewise.
1781 (prepare_float_lib_cmp): Likewise.
1783 2005-11-24 Ben Elliston <bje@au.ibm.com>
1785 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1786 Remove unused `class' variable.
1788 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1790 PR c++/21667
1791 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
1792 C/C++ diagnostic function warn_array_subscript_with_type_char.
1793 * c-common.h (warn_array_subscript_with_type_char): Declare.
1794 * c-common.c (warn_array_subscript_with_type_char): Define.
1796 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1798 PR c/21668
1799 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1800 compiling at the intersection of C and C++.
1802 2005-11-23 Mark Mitchell <mark@codesourcery.com>
1804 * doc/invoke.texi: For man pages, include gcc-vers.texi.
1805 List @file in the option summary. Include the libiberty
1806 documentation for @file.
1807 * gcc.c (main): Call expandargv.
1808 * Makefile.in (gcc-vers.texi): Define srcdir.
1810 2005-11-23 Diego Novillo <dnovillo@redhat.com>
1812 * passes.c (init_optimization_passes): Document
1813 sequencing of passes.
1815 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
1817 * config/m68k/predicates.md (pcrel_address, extend_operator,
1818 post_inc_operand, pre_dec_operand): Remove redundant
1819 conditionals.
1820 (const_uint32_operand, const_sint32_operand): Use gcc_assert
1821 instead of abort.
1822 (valid_dbcc_comparison_p): Rewrite in the lisp style.
1824 2005-11-23 Ben Elliston <bje@au.ibm.com>
1826 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1828 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
1830 Preparatory work for PR target/21623:
1831 * alpha.c (secondary_reload_class): Rename to:
1832 (alpha_secondary_reload_class).
1833 * alpha.h, alpha-protos.h: Likewise.
1834 * mn10300.c (secondary_reload_class): Rename to:
1835 (mn10300_secondary_reload_class).
1836 * mn10300.h, mn10300-protos.h: Likewise.
1837 * pa.c (secondary_reload_class): Rename to:
1838 (pa_secondary_reload_class).
1839 * pa.h, pa-protos.h: Likewise.
1840 * rs6000.c (secondary_reload_class): Rename to:
1841 rs6000_secondary_reload_class.
1842 * rs6000.h, rs6000-protos.h: Likewise.
1844 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
1846 PR middle-end/22561
1847 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1849 2005-11-22 Ian Lance Taylor <ian@airs.com>
1851 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1852 a mode_class.
1853 (prepare_cmp_insn): Likewise.
1855 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
1857 PR target/23435
1858 * m68k.md (zero_extendsidi2): Force operands[1] to a register
1859 if both operands[0] and operands[1] are memory.
1861 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1863 PR middle-end/23606
1864 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1865 COMPARISON_CLASS_P and an integral types create create a new
1866 expression with the new type and fold that.
1868 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1870 PR target/24988
1871 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1872 to SUBTARGET_OS_CPP_BUILTINS.
1874 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
1876 * arm.c (emit_set_insn): New function.
1877 (arm_split_constant): Call it.
1878 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1879 (arm_legitimize_address): Likewise. Use plus_constant.
1880 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
1881 (thumb_expand_prologue): Likewise.
1882 (arm_gen_load_multiple): Use VOIDmode in SET.
1883 (arm_gen_store_multiple): Likewise.
1884 (vfp_emit_fstmx): Likewise. Use plus_constant.
1885 (emit_multi_reg_push): Likewise.
1886 (emit_sfm): Use plus_constant.
1888 2005-11-23 Alan Modra <amodra@bigpond.net.au>
1890 PR target/24954
1891 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1892 typo last change.
1894 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1896 PR middle-end/24950
1897 * expmed.c (store_bit_field): Don't attempt to insv a field
1898 larger than the reg.
1900 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1902 PR target/24954
1903 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1904 explicit sign extension, not a (char) cast.
1906 2005-11-22 Ben Elliston <bje@au.ibm.com>
1908 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1909 GET_MODE_CLASS (x) == MODE_FLOAT.
1910 * config/i386/i386.c: Likewise.
1911 * config/rs6000/xcoff.h: Likewise.
1912 * config/rs6000/linux64.h: Likewise.
1913 * config/rs6000/rs6000.c: Likewise.
1914 * config/rs6000/rs6000.h: Likewise.
1915 * config/rs6000/predicates.md: Likewise.
1916 * config/rs6000/sysv4.h: Likewise.
1918 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1920 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1921 flag_pic is set.
1923 * config/alpha/freebsd.h, config/alpha/linux.h,
1924 config/arm/linux-elf.h, config/bfin/bfin.h,
1925 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1926 config/i386/beos-elf.h, config/i386/gnu.h,
1927 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1928 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1929 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1930 config/rs6000/linux64.h, config/rs6000/sysv4.h,
1931 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1932 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1933 config/sparc/linux.h, config/sparc/linux64.h,
1934 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1936 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1937 are both defined when either flag -fpic or -fPIC are used.
1939 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1941 * config/fp-bit.c (clzusi): New function.
1942 (si_to_float, usi_to_float): Use it to compute proper shift.
1943 (usi_to_float): Preserve guard bits when shifting right.
1944 * libgcc-std.ver (GCC_4.2.0): New version.
1945 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1946 __floatundisf): New functions.
1947 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1948 __floatundisf): Declare.
1949 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1950 _floatundixf, and _floatunditf.
1951 * optabs.c (expand_float): If target does not define a pattern for
1952 signed or unsigned conversion, use an unsigned libcall instead of
1953 a signed one.
1954 (init_optabs): Initialize ufloat_optab.
1956 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1958 * config/rs6000/rs6000.opt (mmulhw): New option.
1959 * doc/invoke.texi (-mmulhw): Document.
1960 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1961 for 405 and 440.
1962 * config/rs6000/rs6000.md: Add half-word multiply and
1963 multiply-accumulate instructions for 405 and 440.
1965 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
1967 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1968 which matches behavior of gcc 4.0 and older for RTEMS targets. The
1969 default now includes a linker group which makes the RTEMS one nest.
1971 2005-11-22 Ben Elliston <bje@au.ibm.com>
1973 * cse.c (fold_rtx): Typo fix.
1974 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1976 2005-11-21 Richard Henderson <rth@redhat.com>
1978 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1979 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1981 * c-tree.h (lookup_name): Move declaration ...
1982 * c-common.h (lookup_name): ... here.
1983 * config/darwin-c.c: Include c-common.h.
1984 * config/t-darwin: Update dependencies.
1986 2005-11-22 Ben Elliston <bje@au.ibm.com>
1988 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1989 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1990 * genopinit.c (gen_insn): Likewise.
1991 * reload.c (find_equiv_reg): Likewise.
1992 * loop.c (load_mems): Likewise.
1993 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1994 * cse.c (find_comparison_args, fold_rtx): Likewise.
1995 * dwarf2out.c (add_const_value_attribute): Likewise.
1996 * expr.c (convert_move): Likewise.
1997 * recog.c (general_operand, register_operand): Likewise.
1998 * reg-stack.c (replace_reg): Likewise.
1999 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2000 * c-common.c (handle_vector_size_attribute): Likewise.
2001 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2002 (simplify_binary_operation_1): Likewise.
2003 (simplify_const_binary_operation): Likewise.
2004 (simplify_relational_operation): Likewise.
2005 (simplify_const_relational_operation): Likewise.
2006 (simplify_immed_subreg): Likewise.
2007 * emit-rtl.c (gen_lowpart_common): Likewise.
2008 * expmed.c (expand_mult): Likewise.
2009 * stor-layout.c (layout_type): Likewise.
2011 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
2013 PR target/24951
2014 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2015 cst2 only for SPE vectors.
2017 2005-11-21 David Edelsohn <edelsohn@gnu.org>
2019 PR target/24953
2020 * config/rs6000/predicates.md (vrsave_operation): Check
2021 UNSPEC_VOLATILE value.
2023 2005-11-21 Jan Hubicka <jh@suse.cz>
2025 PR tree-optimization/24653
2026 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2028 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2030 * config/i386/predicates.md (ax_reg_operand): New predicate.
2031 (memory_displacement_only_operand): New predicate.
2032 * config/i386/i386.md ("modrm" attribute): Return 0 if one
2033 operand is AX register and the other operand is memory operand
2034 with displacement only.
2036 2005-11-21 Uros Bizjak <uros@kss-loka.si>
2038 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2039 if we don't care about NaNs or Infinities.
2041 2005-11-20 Ian Lance Taylor <ian@airs.com>
2043 PR rtl-optimization/24883
2044 * combine.c (combinable_i3pat): When checking whether the
2045 destination of i3 is used in i3, consider paradoxical subregs.
2047 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
2049 PR middle-end/20583
2050 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2052 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
2054 * combine.c (try_combine): Do not run subst on i1src and i2src in
2055 the case of generating a PARALLEL for a comparison.
2057 2005-11-20 Richard Henderson <rth@redhat.com>
2059 PR 24931
2060 * tree-sra.c (struct sra_elt): Add all_no_warning.
2061 (struct sra_walk_fns) <use>: Add use_all argument.
2062 (sra_walk_expr): Pass it.
2063 (sra_walk_modify_expr): Likewise.
2064 (scalarize_ldst): Likewise.
2065 (scan_use): Update for new argument.
2066 (mark_no_warning): New.
2067 (scalarize_use): Use it.
2069 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2071 * expr.c (expand_expr_real): Use usmul_optab for widening
2072 signed * unsigned multiplies.
2073 * genopinit.c (optabs): Add usmul_widen_optab.
2074 * optabs.c (init_optabs): Likewise.
2075 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2076 (usmul_widen_optab): Define.
2077 * config/bfin/bfin.md (usmulhisi3): New pattern.
2079 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2081 2005-11-20 Graham Stott <btinternet.com>
2083 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2085 2005-11-20 Andreas Schwab <schwab@suse.de>
2087 PR target/24757
2088 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2089 insn.
2091 2005-11-19 Richard Henderson <rth@redhat.com>
2093 PR tree-opt/24665
2094 * tree-gimple.c (is_gimple_id): Export.
2095 * tree-gimple.h (is_gimple_id): Declare.
2096 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2097 (get_default_value): Use it.
2098 (maybe_fold_stmt_indirect): Likewise.
2100 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2102 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2103 than VR1 or vice-versa.
2105 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2107 PR middle-end/24912
2108 PR middle-end/24750
2109 * reload.c (find_reloads_address_1): Mention dependency on
2110 gen_reload.
2111 * reload1.c (gen_reload): For IN with an unary operation, try
2112 moving inner expression to OUT if trivial SET is not valid.
2113 Confirm that the result is valid. Move common code block into...
2114 (emit_insn_if_valid_for_reload): New function.
2116 2005-11-19 Richard Guenther <rguenther@suse.de>
2118 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2119 ARRAY_REFs of constant strings.
2121 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2123 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2124 fatal format string.
2126 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2128 * combine.c (make_compound_operation): Swap operands of
2129 commutative operation if necessary before returning.
2131 2005-11-19 Richard Guenther <rguenther@suse.de>
2133 PR middle-end/23294
2134 * fold-const.c (fold_plusminus_mult_expr): New function.
2135 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2136 cases, remove now unnecessary code.
2138 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2140 * gensupport.c (old_preds): Rename to std_preds, add special field.
2141 (struct old_pred_table): Rename to struct std_pred_table, add special
2142 field.
2143 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2144 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2145 (init_predicate_table): Adjust, and set along the way whether a
2146 predicate is special.
2148 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2150 * BASE-VER: Change to 4.2.0.
2152 2005-11-18 James E Wilson <wilson@specifix.com>
2154 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2155 returning it.
2157 2005-11-18 Mike Stump <mrs@apple.com>
2159 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2160 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2161 * c-decl.c (lookup_name_two) Remove.
2162 * c-tree.h (lookup_name_two): Remove.
2163 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2164 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2165 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2166 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2168 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2170 PR target/24914
2171 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2172 when not generating code to use that co-processor.
2174 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2176 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2177 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2178 these functions are now in tree-phinodes.c.
2180 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2182 * config/bfin/bfin.md (trap): New pattern.
2184 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2186 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2187 on types.
2189 * expr.c (expand_expr_real): Don't call record_block_change unless
2190 ib_boundaries_block is non-null
2192 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2194 * fold-const.c (build_range_check): Use proper type for subtraction
2195 when merging lower bound.
2197 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2199 PR rtl-optimization/24497
2200 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2201 the copied insn.
2203 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2205 * tree-scalar-evolution.c (expression_expensive_p): New function.
2206 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2208 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2210 * config/bfin/crtlibid.s: New file.
2212 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2214 PR target/24348
2215 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2216 when not using sjlj exceptions.
2217 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2218 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2219 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2220 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2221 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2222 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2223 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2224 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2225 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2226 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2227 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2228 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2229 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2230 defines.
2231 * config/pa/hpux-unwind.h: New file.
2233 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2235 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2236 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2237 * varasm.c (do_assemble_alias): Adjust call.
2238 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2239 is defined.
2240 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2242 2005-11-17 James E Wilson <wilson@specifix.com>
2244 * tree.def (FUNCTION_DECL): Correct typo in comment.
2246 2005-11-17 Richard Henderson <rth@redhat.com>
2248 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2249 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2250 and DW_CFA_def_cfa_sf.
2251 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2252 (dbx_reg_number): Don't assert particular registers here.
2253 (based_loc_descr): ... do it here instead. Fold in ...
2254 (eliminate_reg_to_offset): ... this function.
2255 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2256 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2257 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2258 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2259 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2260 (instantiate_virtual_regs): Likewise.
2261 * var-tracking.c (adjust_stack_reference): Likewise.
2262 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2264 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2266 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2267 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2268 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2269 crtlibid.o.
2270 ($(T)crtlibid.o): New rule.
2272 2005-11-16 Richard Guenther <rguenther@suse.de>
2274 PR middle-end/24851
2275 * fold-const.c (extract_array_ref): Return byte offset
2276 in all cases.
2277 (fold_binary): Fold &x[a] CMP &x[b] to
2278 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2279 behavior.
2281 2005-11-16 Richard Henderson <rth@redhat.com>
2283 PR middle-end/23497
2284 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2285 parts of an SSA_NAME.
2287 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2289 PR target/24861
2290 * arm.md (split for movsf with immediate): Restrict split to insns
2291 that set a general register.
2293 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2295 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2296 uw_update_context.
2297 * unwind-dw2.c (uw_advance_context): Likewise.
2298 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2299 _Unwind_SjLj_Unregister.
2300 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2302 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2304 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2306 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2308 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2309 langhook to get a DImode integer type.
2311 2005-11-16 Richard Henderson <rth@redhat.com>
2312 J"orn Rennecke <joern.rennecke@st.com>
2313 Ulrich Weigand <uweigand@de.ibm.com>
2315 PR rtl-opt/24160
2316 PR target/24621
2317 * reload1.c (reg_equiv_invariant): New.
2318 (reload): Allocate, initialize, and free it.
2319 (calculate_needs_all_insns): Check it when skipping equivalence
2320 setting insns.
2321 (alter_reg): Likewise.
2322 (eliminate_regs_1): Rename from eliminate_regs. Add new
2323 may_use_invariant argument; only use reg_equiv_invariant when true.
2324 (eliminate_regs): New.
2325 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2326 a context for which may_use_invariant may be true.
2328 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2330 * fold-const.c (const_binop): Don't constant fold the operation
2331 if the result has overflowed and flag_trapping_math.
2332 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2334 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2336 * config/arm/unwind-arm.c (abort): Add prototype here.
2337 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2338 (struct phase1_vrs): Add prev_sp.
2339 (unwind_phase2_forced): Save the original core registers instead of
2340 modifying entry_vrs. Take a new flag argument for resuming unwinding
2341 and set action flags accordingly. Always set _US_END_OF_STACK when
2342 get_eit_entry fails. Unwind before calling the stop function.
2343 (_Unwind_GetCFA): New function.
2344 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2345 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2346 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2347 just call unwind_phase2_forced.
2348 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2349 * config/arm/unwind-arm.h (abort): Remove prototype.
2350 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2351 prototypes.
2352 (_Unwind_GetCFA): New prototype.
2353 * config/arm/pr-support.c (abort): Add prototype here.
2354 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2355 forced unwinding.
2356 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2357 not schedule the prologue with non-call exceptions and EABI.
2359 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2361 * config/arm/unwind-arm.h: Reorder interface function declarations.
2362 (_URC_END_OF_STACK): New enumeration value.
2363 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2364 (struct _Unwind_Control_Block): Document reserved field use.
2365 (_Unwind_Stop_Fn): New typedef.
2366 (_Unwind_ForcedUnwind): Declare.
2367 (_Unwind_Resume_or_Rethrow): Declare.
2368 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2369 argument. Adjust.
2370 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2371 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2372 (UCB_FORCED_STOP_ARG): New.
2373 (search_EIT_table): Update boundary condition checks.
2374 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2375 (unwind_phase2): Replace for with do..while.
2376 (unwind_phase2_forced): New.
2377 (__gnu_Unwind_RaiseException): Replace for with do..while.
2378 (__gnu_Unwind_ForcedUnwind): New.
2379 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2380 Use appropriate phase2 unwinder.
2381 (__gnu_Unwind_Resume_or_Rethrow): New.
2382 (__gnu_unwind_pr_common): Cope with forced unwinding.
2384 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2386 PR target/24772
2387 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2389 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2390 roundsf2): Remove "s" from mnemonic.
2392 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2394 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2395 __PIC__ is defined.
2396 * config/bfin/crtn.s: Change epilogues to match.
2397 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2398 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2399 __PIC__ and __pic__.
2401 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2403 PR 24357
2404 * doc/invoke.texi: Distinguish between free and fixed form instead of
2405 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2406 languages.
2407 * gcc.c (default_compilers): Remove double entries, add entries for
2408 suffixes '.F90' and '.F95'.
2410 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2412 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2413 in the stack probing loop.
2415 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2417 * configure.ac: Use .machine power5 not power5x.
2418 * configure: Regenerate.
2420 2005-11-15 Mike Stump <mrs@apple.com>
2422 * c-decl.c (lookup_name_two): Add.
2423 * c-tree.h (lookup_name_two): Likewise.
2424 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2425 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2427 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2429 PR rtl-optimization/23392
2430 * regrename.c (enum scan_actions) Add mark_access.
2431 (scan_actions_name): Ditto.
2432 (scan_rtx_reg): Handle mark_access.
2433 (scan_rtx_address): Do nothing for mark_access.
2434 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2435 and regs in REG_INC notes before closing chains for dead regs.
2436 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2437 opening chains for new writes.
2439 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2441 * c.opt (ffixed-line-length-none): New.
2443 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2445 * mklibgcc.in: Change contents of eh_dummy.c.
2447 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2449 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2451 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2453 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2454 of making syscalls.
2455 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2457 2005-11-15 Jan Hubicka <jh@suse.cz>
2459 * invoke.texi (large-unit-insns): Document.
2460 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2461 * params.def (large-unit-insns): New param.
2463 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2465 PR target/24869
2466 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2467 special register for operand 3. Reindent constraints to align
2468 them vertically.
2470 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2472 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2473 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2474 * configure.ac: Add test for FP rounding instructions.
2475 * configure: Regenerate.
2476 * config.in: Regenerate.
2477 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2478 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2479 features enabled.
2480 * config/rs6000/rs6000.opt (mfprnd): New.
2481 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2482 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2483 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2484 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2485 (TARGET_FPRND): New.
2486 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2487 UNSPEC_FRIZ): New.
2488 (btrunc<mode>2): New.
2489 (ceil<mode>2): New.
2490 (floor<mode>2): New.
2491 (round<mode>2): New.
2493 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2495 * gcc.c (version_compare_spec_function): Use fatal() rather than
2496 abort().
2498 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2499 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2500 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2501 as empty.
2502 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2503 link in crt2.o.
2505 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2506 on -mmacosx-version-min setting.
2508 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2510 PR 24840
2511 * tree-vrp.c (infer_value_range): Return false if STMT is a
2512 block terminator and its basic block has no successors.
2514 2005-11-14 Mike Stump <mrs@apple.com>
2516 * config/i386/i386.c (override_options): -masm=intel isn't
2517 supported on darwin.
2518 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2520 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2522 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2523 vfork after including auto-host.h.
2525 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2527 PR rtl-optimization/22002
2528 * combine.c (distribute_notes): Detect cases where a reg dies
2529 two or more times in a bb, including on the insn we are combining,
2530 and place the death note on the correct range.
2532 2005-11-14 Dale Johannesen <dalej@apple.com>
2534 * expmed.c (store_bit_field): Add offset unconditionally for
2535 memory targets.
2536 (extract_bit_field): Don't force extzv or extv operand into
2537 a register if field is too big.
2539 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2541 * config/arm/arm.c (pic_labelno): New.
2542 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2543 LABEL_REF. Pass only the labelno to PIC insns.
2544 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2545 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2546 * arm.md (UNSPEC_PIC_LABEL): New constant.
2547 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2548 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2549 Use the correct label prefix.
2551 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2553 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2554 REQ_EQUIV note.
2556 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2558 * loop-invariant.c: Include tm_p.h.
2559 * Makefile.in: Updated.
2561 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2563 * pa.c (store_reg): Revise generation of frame notes in large frames.
2564 (set_reg_plus_d): Likewise.
2566 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2568 PR tree-optimization/24709
2569 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2570 loop check.
2572 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2574 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2575 and duplicate declaration of pthread_self.
2577 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2578 Ian Lance Taylor <ian@airs.com>
2580 PR middle-end/24003
2581 * calls.c (expand_call): If TARGET is a MEM and some part of the
2582 argument area has been saved, force TARGET to a register.
2584 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2586 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2587 checking.
2589 2005-11-13 Jason Merrill <jason@redhat.com>
2591 PR c++/22489
2592 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2593 lazily declared methods.
2594 (force_decl_die): Stop if forcing out the context already make a
2595 DIE for the decl.
2596 (force_type_die): Likewise.
2598 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2600 PR middle-end/24820
2601 * builtins.c (integer_valued_real_p): Add break in
2602 REAL_CST having TREE_OVERFLOW set.
2604 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2606 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2607 addressing modes during calculation of costs.
2609 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2611 * function.c (assign_stack_local_1): Restrict sanity check
2612 on frame size overflow to 32-bit and above platforms.
2614 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2616 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2617 * config/cris/cris.c: Include reload.h.
2618 (cris_initial_elimination_offset): New function.
2619 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2620 Prototype.
2622 2005-11-12 Richard Guenther <rguenther@suse.de>
2624 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2626 2005-11-12 Jan Hubicka <jh@suse.cz>
2628 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2629 to compare against 0 when possible.
2631 2005-11-12 Jie Zhang <jie.zhang@analog.com>
2633 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2634 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2635 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2636 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2637 in the new order.
2639 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2641 * recog.c (constrain_operands) <case 'g'>: For a match, require
2642 that a non-register matches general_operand when strict >= 0.
2644 2005-11-11 Steven Bosscher <stevenb@suse.de>
2646 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2647 previous checkin.
2649 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2651 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2652 (memory_address_same): New.
2653 (dse_optimize_stmt): Call memory_address_same.
2655 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2657 PR middle-end/24750
2658 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2659 ZERO_EXTEND>: New cases.
2661 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2663 * longlong.h (__clz_tab): Always provide.
2665 2005-11-11 Steven Bosscher <stevenb@suse.de>
2667 PR 24265
2668 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2669 can be assigned to.
2670 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2671 before check_maybe_invariant.
2672 (move_invariant_reg): Use gen_move_insn instead of replacing
2673 SET_DEST with the temporary for the invariant.
2674 (move_loop_invariants): If checking is enabled, do internal
2675 consistency checks after completing the pass.
2677 2005-11-11 David Edelsohn <edelsohn@gnu.org>
2679 PR 24644
2680 * common.opt (Wvolatile-register-var): New.
2681 * varasm.c (make_decl_rtl): Only emit warning when option
2682 specified. Clarify warning message.
2683 * doc/invoke.texi (Wvolatile-register-var): Document new option.
2685 * doc/md.texi (copysign): Document standard named pattern.
2687 2005-11-11 Jie Zhang <jie.zhang@analog.com>
2689 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2690 bytes when align is 2.
2691 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2692 by the first instruction of the loop.
2694 2005-11-11 Jason Merrill <jason@redhat.com>
2696 PR c++/24686
2697 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2698 the cleanup list.
2700 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2702 PR rtl-optimization/22509
2703 * local-alloc.c (memref_used_between_p): Check whether a function call
2704 could not reference the memref.
2706 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
2708 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2709 algorithm so as to choose the best, not the worst, alternative.
2710 Reset accumulated register class before processing next alternative.
2712 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
2714 PR target/24445
2715 * calls.c (expand_call): Copy a return value to a plain register
2716 if needed.
2718 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
2720 PR target/24778
2721 * varasm.c (assemble_name): Recompute name only for transparent
2722 aliases.
2724 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
2726 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2728 2005-11-04 Jeff Law <law@redhat.com>
2730 PR middle-end/23181
2731 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2732 perform reassociation if the parent statement will not die as
2733 a result of the optimization.
2735 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
2737 * tree-ssa-alias.c (compute_may_aliases): Remove call to
2738 delete_old_heap_vars.
2739 * tree-dfa.c (referenced_var_remove): Remove function.
2740 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2741 (delete_tree_ssa): Remove call to delete_old_heapvars.
2742 Add call to delete_alias_heapvars.
2743 * tree-flow.h (referenced_var_remove): Remove prototype
2744 (init_alias_heapvars): New prototype.
2745 (delete_alias_heapvars): Ditto.
2746 * Makefile.in (tree-ssa-structalias.o): Add
2747 gt-tree-ssa-structalias.o
2748 (GTFILES): Add tree-ssa-structalias.h and
2749 tree-ssa-structalias.c.
2750 (s-gtype): Add gt-tree-ssa-structalias.h.
2751 * tree-ssa-structalias.c (heapvars): Remove.
2752 (oldheapvars): Remove.
2753 (heapvar_for_stmt): New variable.
2754 (heapvar_lookup): New function.
2755 (heapvar_insert): Ditto.
2756 (get_constraint_for): See if we have an old heapvar
2757 to reuse.
2758 (init_alias_heapvars): New function.
2759 (delete_alias_heapvars): Ditto.
2760 Add include of gt-tree-ssa-structalias.h.
2762 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2764 PR middle-end/22127
2765 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2767 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
2769 * tree.c (int_fits_type_p): Only look at the base type
2770 if it has the same precision as the original type.
2772 2005-11-10 Jakub Jelinek <jakub@redhat.com>
2774 PR other/4372
2775 * varasm.c (assemble_alias): Use %q+D in the error
2776 message instead of %J and %qD.
2778 2005-11-10 Richard Guenther <rguenther@suse.de>
2780 * gcse.c (free_ldst_entry): Only free hashtable if
2781 it exists.
2783 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2785 * function.c (assign_stack_local_1): Issue an error message if
2786 the frame size overflows in the signed target arithmetics.
2788 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2790 * tree.c (build_qualified_type): Chain the new type to the original
2791 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2792 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2793 (build_pointer_type_for_mode): Only return unqualified types.
2794 (build_reference_type_for_mode): Likewise.
2796 2005-11-09 Jakub Jelinek <jakub@redhat.com>
2798 * Makefile.in (gnucompare): Do comparison of all files using one of
2799 the chosen methods and only afterwards decide if just warning should
2800 be issued or comparison failure raised.
2802 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2804 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2805 (noce_try_abs): Negate if the comparison is reversed.
2806 Look only one instruction backwards for a REG_EQUAL note.
2808 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2810 PR other/4372
2811 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2812 gthr-tpf.h: Define __gthrw. For all identifiers that might
2813 be weak, introduce weakrefs or non-weak aliases with __gthrw,
2814 and prefix all uses with __ghtrw.
2816 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2818 PR other/4372
2819 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2820 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
2821 * c-common.c (handle_weakref_attribute): New.
2822 (c_common_attribute_table): Add weakref.
2823 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2824 in the assembler.
2825 * configure, config.in: Rebuilt.
2826 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2827 * doc/extend.texi: Document weakref attribute.
2828 * varasm.c (ultimate_transparent_alias_target): New
2829 (assemble_name): Use it.
2830 (weak_finish_1): Split out of...
2831 (weak_finish): ... and deal with weakrefs in...
2832 (weakref_targets): ... new list.
2833 (globalize_decl): Clean up weakref_targets.
2834 (do_assemble_alias): Handle weakrefs.
2835 (finish_aliases_1): Do not reject weakrefs to external symbols.
2836 (assemble_alias): Handle weakrefs.
2838 2005-11-09 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/24716
2841 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2842 t_bool to track results from follow_ssa_edge.
2844 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2846 * final.c (force_source_line): New global variable.
2847 (final_scan_insn): Set it to true instead of clearing last_filename.
2848 (notice_source_line): Return true if force_source_line is true,
2849 unless source info is absent.
2851 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
2853 PR c/24644
2854 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2855 a linkage name for a variable if it a register variable.
2856 * c-decl.c (grokdeclarator): Global register variables
2857 should be set as PUBLIC.
2859 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2861 PR 24624
2862 * config/s390/s390.c (struct s390_frame_layout): New fields
2863 first_save_gpr_slot and last_save_gpr_slot.
2864 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2865 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2866 first_save_gpr and last_save_gpr with the _slot variants.
2867 (s390_register_info): Calculate first_save_gpr_slot and
2868 last_save_gpr_slot using regs_ever_live.
2870 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2872 PR 24623
2873 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2874 for a function containing a landing pad.
2876 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2878 PR 24034
2879 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2880 is live afterwards.
2882 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
2884 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2885 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2887 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
2889 Add ms2 support
2890 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2891 constants.
2892 (call,load,store): New insn types.
2893 (mem_access, branch_access): Adjust reservation conditions.
2894 (define_delay): Adjust condition.
2895 (decrement_and_branch_until_zero): Allow for ms2. Set branch
2896 type.
2897 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2898 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2899 insn type.
2900 (call_internal, call_value_internal, return_internal,
2901 return_interrupt_internal, eh_return_internal, indirect_jump,
2902 tablejump): Set call insn type.
2903 (blockage, ei, di): Use appropriate unspec const.
2904 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2905 (ms1_get_attr_type): Adjust to give load & store types.
2906 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
2907 backwards past a barrier.
2908 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
2909 branch scheduling.
2910 (struct branch_info, struct label_info): New.
2911 (ms1_labels): New.
2912 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2913 (ms1_machine_reorg): New.
2914 (TARGET_MACHINE_DEPENDENT_REORG): Override.
2915 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2916 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2917 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2918 (TARGET_MS2): New.
2920 2005-11-09 Per Bothner <per@bothner.com>
2921 Uros Bizjak <uros@kss-loka.si>
2923 PR c/24101
2924 * toplev.c (process_options): Initialize debug_hooks early
2925 in case lang_hooks.post_options ends up calling a debug_hook.
2927 2005-11-08 Jakub Jelinek <jakub@redhat.com>
2929 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2930 DBX_REGISTER_NUMBER being contiguous.
2932 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
2933 Diego Novillo <dnovillo@redhat.com>
2935 PR 23046
2936 * tree-vrp.c (register_edge_assert_for): Do not register
2937 always-false predicates.
2939 2005-11-08 Devang Patel <dpatel@apple.com>
2941 PR tree-optimization/23115
2942 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2943 relation.
2945 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
2947 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2948 -mcpu=440.
2950 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
2952 Fix PR tree-optimization/23382
2954 * tree-ssa-alias.c (compute_may_aliases): Call
2955 delete_old_heap_vars.
2956 * tree-dfa.c (referenced_var_remove): New function.
2957 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2958 * tree-flow.h (referenced_var_remove): Add prototype.
2959 (delete_old_heap_vars): Ditto.
2960 * tree-ssa-structalias.c (heapvars): New variable.
2961 (oldheapvars): Ditto.
2962 (get_constraint_for): Put heap vars on heapvars list.
2963 (delete_old_heap_vars): New function.
2965 2005-11-08 Jason Merrill <jason@redhat.com>
2967 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2969 2005-11-08 Uros Bizjak <uros@kss-loka.si>
2971 PR target/19340
2972 * reg-stack.c (reg_to_stack): Update register liveness also
2973 for flag_sched2_use_traces.
2975 2005-11-08 Alan Modra <amodra@bigpond.net.au>
2977 PR target/23704
2978 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2979 override prior explicit -mno-powerpc-gfxopt.
2981 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
2983 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2984 if the bitsize is zero.
2985 * doc/md.texi (Standard Pattern Names): Document it.
2987 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2988 (TARGET_PASS_BY_REFERENCE): Likewise.
2990 2005-11-07 Ian Lance Taylor <ian@airs.com>
2992 PR rtl-optimization/24683
2993 * config/i386/i386.c (legitimize_pic_address): If constant operand
2994 to PLUS is too large, put it in a register.
2996 2005-11-07 Jie Zhang <jie.zhang@analog.com>
2998 * configure.ac: Enable checking assembler dwarf2 support for bfin
2999 target.
3000 * configure: Regenerate.
3002 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3004 PR target/24230
3006 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3007 gen_easy_vector_constant_add_self): Delete.
3008 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3009 New.
3010 (output_vec_const_move): Use gen_easy_altivec_constant.
3011 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3012 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3013 (easy_vector_constant_add_self): Rewritten.
3014 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3015 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3016 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3017 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3018 Macroize and adjust for the other changes.
3020 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
3022 PR c/24599
3024 * c-typeck.c (build_c_cast): Try using a shared constant, and see
3025 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3027 2005-11-07 Jakub Jelinek <jakub@redhat.com>
3029 PR rtl-optimization/23567
3030 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3031 (noce_process_if_block): Don't do any optimizations except
3032 if (cond) x = x; if !set_b and write into orig_x may trap
3033 or fault. Remove the MEM_READONLY_P check.
3035 2005-11-06 Diego Novillo <dnovillo@redhat.com>
3037 PR 24670
3038 * tree-vrp.c (fix_equivalence_set): New.
3039 (extract_range_from_assert): Call it.
3041 2005-11-05 Ian Lance Taylor <ian@airs.com>
3043 PR target/22432
3044 * combine.c (apply_distributive_law): Don't distribute across a
3045 vector mode subreg.
3047 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
3049 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3050 config/ms1/ms1.h, config/rs6000/predicates.md,
3051 config/s390/s390.c, params.def, postreload-gcse.c,
3052 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3053 tree-vrp.c, tree.c: Fix comment typos.
3054 * doc/invoke.texi: Fix typos.
3056 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
3058 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3059 for testing whether the data_dependence_relation contains distance
3060 vectors. Iterate over all distance vectors of the ddr.
3061 * lambda.h: Define a vec of lambda_vector pointers.
3062 * tree-data-ref.c (dump_data_dependence_relation,
3063 dump_data_dependence_direction): Iterate over all distance and
3064 direction vectors of the ddr.
3065 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3066 DDR_DIST_VECTS.
3067 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3068 of distance/direction vectors instead of a single one.
3069 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3070 lambda_vectors with a vec of lambda_vectors.
3071 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3072 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3073 DDR_NUM_DIST_VECTS): New.
3074 * tree-loop-linear.c (gather_interchange_stats): Test for the
3075 existence of distance vectors only after having checked that there
3076 is a dependence. Iterate over all distance vectors of the ddr.
3077 (linear_transform_loops): Use dump_data_dependence_relation.
3078 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3079 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3080 distance vectors of the ddr.
3082 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3084 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3085 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3086 IS_INTHANDLER; all callers changed.
3087 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3088 account.
3089 (do_link, do_unlink): New argument ALL; all callers changed.
3090 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3091 If function isn't leaf, save and restore all registers.
3092 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3093 exception handler.
3095 2005-11-05 Jan Hubicka <jh@suse.cz>
3097 PR rtl-optimization/23490
3098 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3099 max-flow-memory-location): Document.
3100 * flow.c: Include params.h
3101 (MAX_MEM_SET_LIST_LEN): Kill.
3102 (add_to_mem_set_list): Use new param.
3103 * cse.c (cse_basic_block): Replace 1000 by new param.
3104 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3105 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3106 * predict.c (predict_loops): Use new param.
3107 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3109 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3110 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3111 Do not hold memory returned by cgraph_node_name across other call.
3113 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3115 PR target/23424
3116 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3117 Disable.
3119 2005-11-04 Jeff Law <law@redhat.com>
3121 PR/21883
3122 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3123 * tree-ssa-dom.c: Include params.h.
3124 (thread_across_edge): If there are too many statements in the
3125 target block, then do not thread through it.
3126 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3127 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3129 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3131 PR 24627
3132 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3133 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3135 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3137 PR/18595
3138 * tree-scalar-evolution.c (instantiate_parameters_1,
3139 instantiate_parameters, resolve_mixers): Compute the size of an
3140 expression to be instantiated and give up the instantiation if the
3141 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3143 2005-11-04 Richard Guenther <rguenther@suse.de>
3145 * tree-flow.h (ref_contains_indirect_ref): Rename to
3146 array_ref_contains_indirect_ref.
3147 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3148 (array_ref_contains_indirect_ref): Make comment match the code
3149 and vice-versa.
3150 (ref_contains_array_ref): Likewise.
3151 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3152 ref_contains_indirect_ref.
3153 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3154 Rename calls to ref_contains_indirect_ref.
3156 2005-11-04 Paul Brook <paul@codesourcery.com>
3158 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3159 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3160 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3161 * config/arm/arm.md: Use match_operand in peephole input templates
3162 and match_dup in peephole output templates.
3164 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3166 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3167 __aeabi_uidiv.
3169 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3170 Daniel Jacobowitz <dan@codesourcery.com>
3172 * longlong.h (add_ssaaaa): Clobber condition code register
3173 in ARM version.
3174 (sub_ddmmss): Likewise.
3175 (umul_ppmm): Likewise.
3177 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3178 Paul Brook <paul@codesourcery.com>
3179 Phil Blundell <pb@reciva.com>
3181 * configure.ac: Add test for ARM TLS support.
3182 * configure: Regenerated.
3183 * config/arm/arm-protos.h (legitimize_tls_address)
3184 (arm_tls_referenced_p, tls_mentioned_p)
3185 (arm_output_addr_const_extra): New prototypes.
3186 (thumb_legitimize_pic_address): Delete.
3187 * config/arm/arm.c: Include "gt-arm.h".
3188 (enum tls_reloc): New.
3189 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3190 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3191 (arm_call_tls_get_addr, legitimize_tls_address)
3192 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3193 (arm_init_tls_builtins, arm_emit_tls_decoration)
3194 (arm_output_addr_const_extra): New functions.
3195 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3196 (TARGET_HAVE_TLS): Define.
3197 (target_thread_pointer): New.
3198 (arm_override_options): Handle -mtp=.
3199 (legitimize_pic_address): Ignore UNSPECs.
3200 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3201 relative symbols.
3202 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3203 (tls_get_addr_libfunc): New variable.
3204 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3205 (arm_init_builtins): Call arm_init_tls_builtins.
3206 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3207 (arm_encode_section_info): Call default_encode_section_info.
3208 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3209 (enum arm_tp_type): New.
3210 (target_thread_pointer): Add declaration.
3211 (LEGITIMATE_CONSTANT_P): Handle TLS.
3212 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3213 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3214 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3215 * config/arm/arm.md: Add UNSPEC_TLS.
3216 (movsi): Handle TLS.
3217 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3218 non-PIC.
3219 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3220 (load_tp_hard, load_tp_soft): New insns.
3221 * arm.opt: Add -mtp=.
3222 * doc/invoke.texi (ARM Options): Document -mtp.
3224 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3226 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3227 * config/arm/libunwind.S: Include "lib1funcs.asm".
3228 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3229 (LIB2ADDEH): Add libunwind.S.
3230 (LIB2ADDEHDEP): Add lib1funcs.asm.
3231 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3233 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3235 PR fortran/18452
3236 * gcc/c.opt: Add a -lang-fortran option.
3237 * gcc/c-opts.c: Add a lang_fortran flag.
3238 (c_common_init_options): Handling the -lang-fortran option.
3239 (c_common_handle_option): Add a case for Fortran options in
3240 preprocessing. Remove cases for -ffixed-form and
3241 -ffixed-line-length. Add a case for -lang-fortran.
3243 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3245 * config/rs6000/rs6000.c: Include params.h
3246 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3247 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3248 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3249 (UNSPEC_VPKUWSS): Delete.
3250 (altivec_vpkuhss): Delete.
3251 (altivec_vpkuwss): Delete.
3252 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3253 final condition.
3254 (neg_eq0<mode>): Remove final condition.
3255 (neg_eq<mode>): Remove condition and split-condition.
3257 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3259 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3260 Use associated print macros.
3262 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3264 PR c++/17964
3265 * diagnostic.c (diagnostic_set_info_translated): New function.
3266 (diagnostic_set_info): Use it. Add comment.
3267 * diagnostic.h (diagnostic_set_info_translated): Declare.
3269 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3271 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3272 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3273 reference only if 'public' is true.
3274 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3275 emit the .hidden directive only if the indirect reference is public.
3276 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3277 Pass it to dw2_force_const_mem.
3278 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3279 * dwarf2out.c (output_cfi): Adjust calls to above function.
3280 (output_call_frame_info): Likewise.
3281 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3282 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3284 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3286 PR tree-optimization/24483
3287 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3288 field to elts if possible.
3290 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3292 PR middle-end/23155
3293 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3294 CONSTRUCTOR.
3296 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3298 Fix PR tree-optimization/24351
3300 * tree-ssa-structalias.c (struct variable_info): Add
3301 collapsed_into.
3302 (get_varinfo_fc): New function to follow collapsing.
3303 (new_var_info): Set collapsed_to to NULL.
3304 (dump_constraint): Follow collapsing.
3305 (build_constraint_graph): Handle collapsing.
3306 (do_simple_structure_copy): Return false if something bad
3307 happened.
3308 (collapse_rest_of_var): New function.
3309 (do_structure_copy): Collapse if do_simple_structure_copy returns
3310 false.
3312 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3314 PR middle-end/24589
3315 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3316 expressions to a statement list instead of gimplifying them.
3318 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3320 PR rtl-optimization/23585
3321 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3322 that can't trap plus a constant integer, if the mode has zero size.
3324 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3326 PR target/24620
3327 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3328 as operand 2.
3329 ("*insv<mode>_reg_extimm"): Likewise.
3331 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3333 PR c/24329
3334 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3335 c_common_type_for_mode returns an unnamed type.
3337 2005-11-02 Richard Henderson <rth@redhat.com>
3339 PR target/9350
3340 PR target/24374
3341 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3342 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3343 * function.c (assign_parms): Use calls.internal_arg_pointer.
3344 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3345 code.
3346 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3347 (TARGET_CALLS): Add it.
3348 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3349 * targhooks.c (default_internal_arg_pointer): New.
3350 * targhooks.h (default_internal_arg_pointer): Declare.
3351 * tree.h (dwarf2out_reg_save_reg): Declare.
3352 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3353 * config/i386/i386.c (dbx_register_map): Add return column.
3354 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3355 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3356 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3357 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3358 (ix86_save_reg): Save force_align_arg_pointer.
3359 (ix86_emit_save_regs): Make regno unsigned.
3360 (ix86_emit_save_regs_using_mov): Likewise.
3361 (ix86_expand_prologue): Handle force_align_arg_pointer.
3362 (ix86_expand_epilogue): Likewise.
3363 * config/i386/i386.h: (dbx_register_map): Update.
3364 (dbx64_register_map, svr4_dbx_register_map): Update.
3365 (struct machine_function): Add force_align_arg_pointer.
3366 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3367 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3368 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3370 2005-11-02 Jan Hubicka <jh@suse.cz>
3372 PR target/23303
3373 * i386.md: Add peep2 for simplyfing array accesses.
3375 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3377 PR target/24615
3378 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3379 * config/s390/s390.c (s390_decompose_shift_count): New function.
3380 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3381 (print_shift_count_operand): Use s390_decompose_shift_count.
3382 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3383 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3385 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3387 PR target/24600
3388 * loop.c (loop_givs_rescan): Use force_operand to expand
3389 complex GIVs.
3391 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3393 PR 22429
3394 * fold-const.c (build_range_check): Use unsigned when signed
3395 overflow is undefined also. If etype is subtype, make sure that
3396 the subtraction is in the supertype.
3398 2005-11-02 Richard Henderson <rth@redhat.com>
3400 PR target/24178
3401 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3402 by MEM_ALIGN.
3404 2005-11-01 Richard Henderson <rth@redhat.com>
3406 PR 21518
3407 * loop.c (scan_loop): Do not propagate computations to a hard
3408 register destination with SMALL_REGISTER_CLASSES.
3410 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3412 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3413 costs for MULT inside PLUS or MINUS.
3415 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3417 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3418 (TRAMPOLINE_SIZE): Round up to 60.
3419 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3421 2005-10-31 James E. Wilson <wilson@specifix.com>
3423 PR debug/24444
3424 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3425 ifdef. Put ifdefs around call in gen_subprogram_die.
3426 (compute_frame_pointer_to_cfa_displacement): Likewise.
3427 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3428 not defined.
3430 PR rtl-optimization/17356
3431 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3432 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3434 2005-10-31 Jan Hubicka <jh@suse.cz>
3436 PR middle-end/24093
3437 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3439 PR target/20928
3440 * i386.c (legitimize_pic_address): Deal with large immediates.
3442 PR profile/20815
3443 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3444 from symbol names while computing checkup.
3446 PR profile/24487
3447 * predict.c (predict_loops): Do not estimate more than
3448 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3449 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3451 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3453 PR tree-optimization/19097
3454 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3456 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3458 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3460 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3462 PR middle-end/23492
3463 * tree-inline.c (setup_one_parameter): If the init_stmt
3464 is NULL, don't insert the statement.
3466 2005-10-30 Jan Hubicka <jh@suse.cz>
3468 PR tree-optimization/24172
3469 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3471 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3473 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3474 constants for hosts with long != 32 bits.
3476 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3478 PR middle-end/24093
3479 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3481 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3483 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3484 (TARGET_MS1_16_002): New.
3485 (TARGET_MS1_16_003): New.
3487 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3488 ("*decrement_and_branch_until_zero_no_clobber"): New.
3489 Add corresponding splitter for decrement_and_branch_until_zero
3490 instruction.
3491 Key all decrement_and_branch_until_zero patterns off of
3492 TARGET_MS1_16_003.
3494 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3496 PR middle-end/24362
3497 * tree-complex.c (extract_component): Treat RESULT_DECL
3498 like the rest of the decls.
3500 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3502 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3503 indirect call to _mcount if the function needs a static chain.
3505 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3506 Caroline Tice <ctice@apple.com>
3508 PR rtl-optimization/24460
3509 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3510 (dwarf2out_switch_text_section): Set it to true instead of
3511 incrementing separate_line_info_table_in_use.
3512 (output_loc_list): Additionally test have_switched_text_sections.
3513 (output_ranges): Likewise.
3514 (dwarf2out_finish): Likewise.
3515 * varasm.c (assemble_start_function): Do not call
3516 insert_section_boundary_note.
3517 (assemble_end_function): If flag_reorder_blocks_and_partition,
3518 switch to the function's section before emitting the .size directive.
3519 * bb-reorder.c (insert_section_boundary_note): Staticify.
3520 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3521 * output.h (insert_section_boundary_note): Delete.
3523 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3525 PR c/23103
3526 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3527 instead of pointer equality when comparing types.
3529 2005-10-24 James E. Wilson <wilson@specifix.com>
3531 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3532 add_dependence_list_and_free calls.
3534 2005-10-24 Steven Bosscher <stevenb@suse.de>
3536 * contrib.texi: Add the names of the LLNL folks who donated
3537 Cray pointer support for gfortran.
3539 2005-10-24 Steven Bosscher <stevenb@suse.de>
3541 PR tree-optimization/24225
3542 * profile.c (branch_prob): Look from end to start through a
3543 basic block when looking for a locus.
3545 2005-10-24 Richard Henderson <rth@redhat.com>
3547 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3548 parallel.
3549 (hppa_expand_prologue): Likewise.
3551 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3553 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3554 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3555 * pa.h (NO_PROFILE_COUNTERS): Define.
3556 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3557 (funcdef_nos): New vector to hold label numbers of deferred profile
3558 counters.
3559 (output_deferred_profile_counters): New function.
3560 (hppa_profile_hook): Push label number onto funcdef_nos.
3561 (pa_hpux_file_end): Call output_deferred_profile_counters if
3562 NO_DEFERRED_PROFILE_COUNTERS is false.
3564 * pa-protos.h (get_deferred_plabel): New prototype.
3565 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3566 Make global.
3567 (output_call): Adjust calls.
3569 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3571 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3572 peculiarity of GOT/TOC section usage.
3574 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3576 PR objc/24435
3577 * c-common.c (constant_string_class_name): Add documentation.
3579 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3581 PR target/23832
3582 * recog.c (peephole2_optimize): Increment peep2_current_count
3583 only when the slot is empty.
3585 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3587 PR ada/23957
3588 * except.c (output_function_exception_table): Call
3589 assemble_external_libcall if we need a personality function.
3591 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3593 PR rtl-optimization/24460
3594 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3595 set the basic block for barriers.
3597 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3599 * var-tracking.c (vt_initialize): Initialize post.
3601 2005-10-21 Devang Patel <dpatel@apple.com>
3603 PR/24220
3604 * c-common.c (vector_types_convertible_p): Check vector element type.
3606 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3608 * config/sh/sh.c (prepare_move_operands): Handle the address
3609 constant which is a tls symbolic address plus a constant.
3611 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3613 PR driver/24473
3614 * gcc.c (main): Use the correct counter for erroring out
3615 about mulitple files.
3617 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3619 PR target/24465
3620 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3621 use r2 for 64-bit tls .got access.
3623 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3625 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3626 TRUTH_OR_EXPR.
3628 2005-10-20 Steven Bosscher <stevenb@suse.de>
3630 PR tree-optimization/24307
3631 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3633 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
3635 PR middle-end/24295
3636 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3637 alias targets.
3638 * varasm.c (find_decl_and_mark_needed): After cgraph global info
3639 is ready, stop marking functions, but still mark variables.
3641 2005-10-20 Richard Guenther <rguenther@suse.de>
3643 PR c++/24439
3644 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3645 void type operands.
3647 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3649 PR rtl-optimization/23585
3650 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3651 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
3652 (may_trap_p_1): New predicate extracted from...
3653 (may_trap_p): ... here. Invoke may_trap_p_1.
3654 (may_trap_or_fault_p): New predicate.
3655 * rtl.h (may_trap_or_fault_p): Declare it.
3656 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3657 instead of may_trap_p.
3658 (steal_delay_list_from_fallthrough): Likewise.
3659 (fill_simple_delay_slots): Likewise.
3660 (fill_slots_from_thread): Likewise.
3661 * function.c (pad_to_arg_alignment): Rework comment about
3662 SPARC_STACK_BOUNDARY_HACK.
3663 * config/sparc/sparc.h: Likewise.
3665 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
3667 * config/s390/s390.c (s390_expand_insv): New.
3668 * config/s390/s390-protos.h (s390_expand_insv): Declare.
3669 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3670 ("icm_hi"): Remove mode attribute.
3671 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3672 Adjust all uses.
3673 ("*extracthi", "*extractqi"): Remove.
3674 (extv<mode>", "*extzv<mode>"): New.
3675 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3676 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3678 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3680 * cfgexpand.c (discover_nonconstant_array_refs_r,
3681 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3682 (tree_expand_cfg): Call discover_nonconstant_array_refs.
3683 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3684 discover_nonconstant_array_refs.
3686 2005-10-19 Steven Bosscher <stevenb@suse.de>
3688 PR c/23228
3689 * c-decl.c (pop_scope): Don't warn about an unused variable
3690 if it is marked with TREE_NO_WARNING.
3691 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3692 somenow mismatch and olddecl is to be replaced.
3694 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
3696 PR middle-end/23199
3697 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3698 whether registers live on the edge can be saved/restored.
3700 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3702 * config/sh/sh.c (fixup_mova): Skip notes.
3704 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3706 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3707 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3708 (s390_can_eliminate): Handle BASE_REGNUM elimination.
3709 (s390_initial_elimination_offset): Likewise.
3710 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3711 register on TARGET_ZARCH targets.
3712 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3713 (INITIAL_FRAME_POINTER_OFFSET): Remove.
3714 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3715 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3717 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3719 * config/s390/s390.md: Comment describing output modifiers updated.
3720 * config/s390/s390.c (print_operand): Likewise.
3722 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3724 * config/s390/s390.c (override_options): Added check for -mstack-size
3725 64k limitation.
3726 * doc/invoke.texi: Mention that limit in the documenation.
3728 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
3730 PR #19672
3731 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3733 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3735 Fix PR tree-optimization/24231
3737 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3738 (compute_avail): Ditto.
3740 2005-10-18 Richard Henderson <rth@redhat.com>
3742 PR target/24428
3743 * config/i386/i386.c (legitimate_constant_p): Check
3744 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
3745 if LABEL_REF.
3746 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3747 (legitimate_pic_address_disp_p): Reorg CONST checking to make
3748 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
3749 directly.
3750 (print_operand_address): Likewise.
3751 * config/i386/predicates.md (x86_64_immediate_operand): Test
3752 SYMBOL_REF_TLS_MODEL properly inside CONST.
3753 (x86_64_zext_immediate_operand): Likewise.
3754 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3755 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3756 * config/i386/i386-protos.h: Remove predicates.md entries.
3758 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
3760 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3761 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3763 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
3764 Ian Lance Taylor <ian@airs.com>
3766 PR middle-end/23522
3767 * fold-const.c (fold_widened_comparison): Do not allow range based
3768 constant folding when right operand cannot be unwidened.
3770 2005-10-17 Richard Henderson <rth@redhat.com>
3772 * builtins.c (expand_builtin_synchronize): Build a new-style asm
3773 with a memory clobber.
3775 2005-10-17 James E Wilson <wilson@specifix.com>
3777 PR rtl-optimization/17356
3778 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3779 checking for EDGE_EH.
3781 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
3783 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3784 the slot on an even boundary for any type with 16-byte alignment.
3786 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
3788 PR target/23424
3789 * md.texi (Modifiers) <%>: Clarify that % doesn't work
3790 after register allocation.
3792 2005-10-17 DJ Delorie <dj@redhat.com>
3794 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3795 as frame related.
3797 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
3799 PR c++/22551
3800 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3801 overflow flags.
3803 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
3805 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3806 to 2 if it's already non-zero.
3807 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3808 is set and warn about it if flag_schedule_insns is 1.
3810 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
3812 * config/crx/crx.md: Compare-and-branch instructions need to
3813 invalidate CC.
3815 2005-10-17 Uros Bizjak <uros@kss-loka.si>
3817 PR target/24315
3818 * config/i386/i386.md (*pushdi2_rex64 splitter)
3819 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3820 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3821 flow2 pass only when (optimize > 0 && flag_peephole2).
3823 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
3825 PR driver/22544
3826 * gcc.c (have_c): New static variable.
3827 (have_o): Likewise.
3828 (process_command): Remove declation of have_c.
3829 Set have_o to 1 when handling -o.
3830 (main): Add a fatel error if there are multiple
3831 files specified and -o and -c/-S is passed witout
3832 -combine or multiple languages.
3834 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
3836 Fix PR tree-optimization/22444
3837 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3838 Assert that we don't hit something with subvars.
3839 (setup_pointers_and_addressables): Don't add things with subvars,
3840 because we'll already process the subvars for aliasing purposes.
3842 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
3844 PR target/23424
3845 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3846 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3847 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3848 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3849 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3850 swapped, alternatives for the R constraint.
3852 PR middle-end/24341
3853 * builtins.c (get_builtin_sync_mode): Make unlimited
3854 mode_for_size request.
3856 2005-10-15 Richard Henderson <rth@redhat.com>
3858 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3859 (gimplify_expr): ... here.
3860 (gimplify_compound_lval): Use it in initial scan loop. Allow
3861 fb_lvalue in base expression.
3863 2005-10-15 Richard Henderson <rth@redhat.com>
3865 PR 23714
3866 * builtins.c (expand_builtin_trap): Export.
3867 * expr.h (expand_builtin_trap): Declare.
3868 * expr.c (expand_assignment): Emit a trap for integral offsets
3869 from registers that weren't reduced to bitpos.
3871 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3872 (mark_array_ref_addressable): Remove.
3873 * tree-flow.h (mark_array_ref_addressable): Remove.
3874 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3876 2005-10-15 James E Wilson <wilson@specifix.com>
3878 PR target/24232
3879 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
3880 (add_dependence_list_and_free): Likewise.
3881 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3882 call.
3884 2005-10-15 Diego Novillo <dnovillo@redhat.com>
3886 PR 23141
3887 PR 23142
3888 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3889 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3890 anti-range.
3891 (vrp_visit_phi_node): Only prevent infinite iterations when
3892 the previous result and the new result are both VR_RANGEs.
3894 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
3896 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3897 function comment.
3899 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3901 PR c/23439
3902 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3903 to initialize loc.
3905 2005-10-14 Per Bothner <per@bothner.com>
3907 PR preprocessor/21250
3908 * c-ppoutput.c (print_line): Print internal line 0 as 1.
3910 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
3912 PR c++/22551
3913 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3914 overflow flags. Refactor some conditionals.
3916 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
3918 PR tree-opt/21304
3919 * tree-dfa.c (add_referenced_var): Only look at decls which
3920 have TREE_CONSTANT or TREE_READONLY set instead of if
3921 !TREE_PUBLIC or !TREE_CONSTANT.
3923 2005-10-13 James E Wilson <wilson@specifix.com>
3925 * doc/invoke.texi: For -x, add f95-cpp-input.
3926 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3928 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
3930 PR tree-optimization/24262
3931 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3932 in loop all the time.
3934 2005-10-12 Richard Henderson <rth@redhat.com>
3936 PR c/24255
3937 * tree.h (DECL_TRANSPARENT_UNION): Remove.
3938 * function.c (assign_parm_find_data_types): Don't support it.
3939 * print-tree.c (print_node): Likewise.
3940 * c-common.c (handle_transparent_union_attribute): Likewise.
3941 Use build_duplicate_type.
3942 * tree-inline.c (remap_type_1): Split out of remap_type;
3943 properly remap aggregate fields.
3944 (build_duplicate_type): New.
3945 * doc/extend.texi (Variable Attributes): Remove documentation
3946 for transparent_union.
3948 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3950 PR target/24284
3951 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3952 (gen_stack_pointer_dec): Likewise.
3954 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
3956 PR middle-end/21275
3957 PR middle-end/21766
3958 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3959 target hook.
3960 (struct cxx): Add adjust_class_at_definition target hook.
3961 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3962 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3963 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3964 hook_void_tree. Add to TARGET_CXX.
3965 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3966 dllimport_flag.
3967 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3968 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3969 instead of attribute. Check for dllexport override. Warn if
3970 inconsistent dll linkage. Don't lose old dllimport if decl has
3971 had address referenced. Tweak lookup of dllimport atribute.
3972 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3973 for target specific rules. Don't add dllimport attribute if
3974 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
3975 dllimport attribute.
3976 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3977 * varasm.c (initializer_constant_valid_p): Replace
3978 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3980 PR target/21801
3981 PR target/23589
3982 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3983 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3984 (i[34567]86-*-mingw32*): Likewise.
3986 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3987 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3989 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3990 C++-specific code. Change return value to bool.
3991 (i386_pe_dllimport_p): Likewise.
3992 (associated_type): Simplify and make language-independent
3993 (i386_pe_encode_section_info): Replace override of ambiguous
3994 dllimport symbol refs with a gcc_assert.
3995 (i386_pe_valid_dllimport_attribute_p): Define.
3996 * config/i386/winnt-cxx.c: New file. Define C++ versions of
3997 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3998 i386_pe_adjust_class_at_definition.
3999 * config/i386/winnt-stubs.c: New file. Define stub versions of
4000 lang-specific functions.
4001 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4002 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4003 i386_pe_adjust_class_at_definition.
4004 (i386_pe_valid_dllimport_attribute_p): Declare.
4005 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4006 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4007 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4009 PR target/19704
4010 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4011 dllimport attribute with test of DECL_DLLIMPORT_P.
4013 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
4015 * combine.c (make_extraction): Correct offset computation.
4017 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
4019 * config/cris/t-linux (LIMITS_H_TEST): Define.
4021 2005-10-12 Richard Henderson <rth@redhat.com>
4023 PR rtl-opt/23324
4024 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4026 2005-10-12 Richard Guenther <rguenther@suse.de>
4028 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4030 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
4032 PR c++/19964
4033 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4034 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4035 type.
4037 2005-10-12 Richard Guenther <rguenther@suse.de>
4039 PR c++/23799
4040 * varasm.c (output_constant): Correct typo from previous
4041 patch by DJ.
4043 2005-10-11 Ian Lance Taylor <ian@airs.com>
4045 PR rtl-optimization/13931
4046 * combine.c: Revert patch of 2003-05-14, and:
4047 (try_combine): Only set elim_i1 and elim_i2 if the destination is
4048 completely killed in the appropriate insn.
4049 (distribute_notes): Don't skip multiple hard register test for
4050 elim_i1 and elim_i2.
4052 2005-10-11 Richard Henderson <rth@redhat.com>
4054 PR c/24255
4055 * c-typeck.c (convert_for_assignment): Use build_constructor_single
4056 to initialize a transparent union instead of a nop_expr.
4058 2005-10-11 Richard Henderson <rth@redhat.com>
4060 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4061 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4062 (tree_ssa_dce_loop): Call scev_reset.
4064 PR tree-opt/24300
4065 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4066 * tree-ssa-dce.c: Include cfgloop.h.
4067 (tree_ssa_dce_loop, pass_dce_loop): New.
4068 * tree-pass.h (pass_dce_loop): Declare it.
4069 * passes.c (init_optimization_passes): Use it.
4071 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4073 PR middle-end/24263
4074 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4075 Only apply the optimization for rounding builtins if the inner
4076 cast is also an extension.
4078 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4080 PR tree-opt/23946
4081 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4082 mark_new_vars_to_rename instead of update_stmt.
4084 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4086 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4088 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4090 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4091 for setting MMX register to 0 rather than mmx.
4093 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4095 PR target/12098
4096 * configure.ac: Move gas check from mips specific case to common case.
4097 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4098 * configure: Regenerate
4099 * doc/install.texi: Update.
4101 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4103 PR target/24284
4104 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4106 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4108 * gcc.c (do_spec_1): Accept numeric characters in file name
4109 suffixes.
4111 2005-10-10 Nick Clifton <nickc@redhat.com>
4113 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4114 describing the deleted arm_gen_rotated_half_load function.
4116 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4118 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4119 __fpscr_values.
4121 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4123 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4124 gnu_ld assignments.
4125 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4126 (EXTRA_MULTILIB_PARTS): Define.
4127 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4128 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4129 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4130 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4131 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4132 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4134 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4136 PR tree-optimization/24226
4137 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4138 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4139 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4140 Export.
4142 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4144 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4146 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4148 PR target/24136
4149 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4150 Rewrite for no need for the early clobber.
4152 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4154 Merge from csl-arm-branch:
4155 2005-09-07 Paul Brook <paul@codesourcery.com>
4156 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4157 space to string.
4159 2005-04-30 Paul Brook <paul@codesourcery.com>
4160 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4161 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4163 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4164 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4165 (arm_override_options): Use TARGET_AAPCS_BASED.
4166 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4167 (PTRDIFF_TYPE): Use int for AAPCS.
4168 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4169 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4170 (DEFAULT_SHORT_ENUMS): Delete.
4171 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4173 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4174 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4175 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4176 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4178 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4179 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4181 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4182 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4184 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4185 * config.gcc (arm*-*-linux-gnueabi): Add it.
4186 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4187 redefining it.
4188 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4189 * config/arm/linux-eabi.h: New file.
4190 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4191 (LINUX_TARET_LINK_SPEC): Likewise.
4192 (LINK_SPEC): Use it.
4193 * config/arm/t-linux-eabi: New file.
4195 2005-10-08 Steven Bosscher <stevenb@suse.de>
4197 PR other/22202
4198 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4199 spaces.
4200 (PARAM_SMS_DFA_HISTORY): Likewise.
4202 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4204 PR middle-end/23150
4205 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4206 (load_register_parameters): Call it.
4207 (check_sibcall_argument_overlap_1): Likewise.
4208 (store_one_arg): Likewise.
4210 2005-10-07 James E. Wilson <wilson@specifix.com>
4212 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4213 DImode not VECINT24 for operand 2.
4215 PR target/23644
4216 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4217 -mtune-arch.
4219 PR target/24193
4220 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4221 fr_spill): Use destination_operand for operand 0.
4223 2005-10-07 DJ Delorie <dj@redhat.com>
4225 * varasm.c (output_constant): Limit error to expanding
4226 conversions.
4228 2005-10-07 Richard Guenther <rguenther@suse.de>
4230 PR middle-end/24227
4231 * fold-const.c (fold_binary): Fix operand types during folding
4232 of X op (A, Y). Evaluation order of the side-effects of
4233 X and A are frontend-defined, so ensure we honour that even for
4234 tcc_comparison class operands; eased by removing duplicate code.
4236 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4238 * stor-layout.c (layout_type): Do not allow alignment of array
4239 elements to be greater than their size.
4241 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4243 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4244 host_xmake_file.
4245 (hppa*-*-linux*): Ditto.
4246 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4247 * config/host-hpux.c: New.
4248 * config/x-hpux: New.
4249 * config/pa/x-hpux: Remove.
4250 * config/pa/x-linux: Remove.
4251 * config/pa/pa-host.c: Remove.
4253 2005-10-07 Jeff Law <law@redhat.com>
4255 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4256 determine whether or not to try and thread outgoing edges.
4258 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4260 * config/rs6000/rs6000.md (eqsi_power): New.
4261 (neg_eq0si): Add TARGET_POWER to final condition.
4262 (neg_eqsi): Same.
4264 2005-10-06 Richard Henderson <rth@redhat.com>
4266 * config/rs6000/rs6000.c: Revert last change.
4268 2005-10-06 Richard Henderson <rth@redhat.com>
4270 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4271 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4273 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4275 PR middle-end/22216
4276 PR middle-end/23651
4277 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4278 out return_label and naked_return_label.
4280 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4282 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4283 change.
4285 2005-10-06 Richard Henderson <rth@redhat.com>
4287 PR tree-opt/22237
4288 * tree-inline.c (declare_return_variable): Handle modify_dest not
4289 being a DECL.
4291 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4293 Fix PR tree-optimization/22488
4294 * tree-ssa-structalias.c (check_for_overlaps): New function.
4295 (create_variable_info_for): Use it.
4297 2005-10-06 Richard Henderson <rth@redhat.com>
4299 PR debug/24070
4300 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4301 (dwarf2out_start_source_file): Print it.
4303 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4305 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4307 2005-10-06 Richard Henderson <rth@redhat.com>
4309 PR 23706
4310 * mode-switching.c (optimize_mode_switching): Clear transp bit
4311 for block with incomming abnormal edges.
4313 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4314 (fpscr_set_from_mem): Use them.
4315 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4316 (fpscr postinc splitters): Rewrite as peephole2+split.
4318 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4320 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4321 (eq<mode>_compare): Same.
4323 2005-10-06 Richard Guenther <rguenther@suse.de>
4325 PR tree-optimization/24238
4326 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4328 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4330 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4331 here. Use AC_PATH_PROG for environment variables instead of
4332 test -x.
4333 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4334 objdump also.
4335 * configure: Regenerated.
4337 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4339 PR target/23783
4340 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4341 then force it into a register.
4342 (call_value): Likewise.
4344 2005-10-06 Richard Henderson <rth@redhat.com>
4346 PR 24049
4347 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4348 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4349 under pass_vectorize.
4351 2005-10-05 Devang Patel <dpatel@apple.com>
4353 PR Debug/23205
4354 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4355 handling constants. Check NAMESPACE_DECL context for constants.
4357 2005-10-05 Eric Christopher <echristo@apple.com>
4359 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4361 2005-10-05 Richard Henderson <rth@redhat.com>
4363 PR 23714
4364 * tree-cfg.c (mark_array_ref_addressable_1): New.
4365 (mark_array_ref_addressable): New.
4366 * tree-flow.h (mark_array_ref_addressable): Declare.
4367 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4369 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4371 PR middle-end/20606
4372 PR middle-end/24069
4373 * reload.c (subst_reloads): When adding a REG_LABEL to a
4374 jump instruction, also update JUMP_LABEL.
4376 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4378 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4379 * bb-reorder.c (copy_bb_p): Use it.
4380 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4382 2005-10-05 Richard Henderson <rth@redhat.com>
4384 PR target/23602
4385 * toplev.c (process_options): Warn about unsupported combinations
4386 of unwind tables and omit-frame-pointer.
4387 * config/i386/i386.c (override_options): Similarly. Enable
4388 accumulate-outgoing-args if not explicitly disabled.
4390 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4392 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4393 Handle big endian vs. small endian.
4394 (vec_initv2sf): Handle big endian vs. small endian.
4395 (*vec_extractv2sf_1): Ditto.
4397 2005-10-05 Dale Johannesen <dalej@apple.com>
4399 * convert.c (convert_to_real): Don't convert
4400 (float)floor(double d) to floorf((float)d).
4402 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4404 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4406 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4408 PR tree-optimization/18587
4409 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4410 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4411 build_vuses): Change to VEC type.
4412 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4413 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4414 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4415 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4416 (get_name_decl): New. Return DECL_UID of base variable.
4417 (operand_build_cmp): New. qsort comparison routine.
4418 (operand_build_sort_virtual): New. Sort virtual build vector.
4419 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4420 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4421 (FINALIZE_BASE): Use get_name_decl.
4422 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4423 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4424 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4425 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4426 direct VEC_* manipulations.
4427 (build_ssa_operands): Call operand_build_sort_virtual.
4428 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4429 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4430 with direct VEC_* manipulations.
4431 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4432 with direct VEC manipulations.
4434 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4436 PR tree-optimization/21419
4437 PR tree-optimization/24146
4438 PR tree-optimization/24151
4440 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4441 (build_asm_expr): Call it if outputs are read-only.
4442 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4444 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4445 Paolo Bonzini <bonzini@gnu.org>
4447 PR target/23809
4449 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4450 enable the instructions and not just the built-ins.
4451 * doc/invoke.texi (x86 Options): Likewise.
4453 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4455 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4457 * doc/invoke.texi (Option Summary): Correct spelling
4458 of -mmacosx-version-min.
4460 2005-10-04 Devang Patel <dpatel@apple.com>
4462 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4463 real types.
4465 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4467 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4468 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4470 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4472 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4473 ("TE","tg"): New mode attributes.
4474 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4475 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4476 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4477 dword_mode and one for GPRmode.
4479 2005-10-04 Ian Lance Taylor <ian@airs.com>
4481 PR preprocessor/13726
4482 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4483 any comments passed in.
4485 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4487 * tree.c (annotate_with_file_line): Fix typo.
4489 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4491 PR ada/19382
4492 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4493 type used to access data in the inlined length == 1 case, use
4494 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4495 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4497 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4499 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4500 TARGET_SSE3 and only for TARGET_80387.
4501 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4502 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4503 Do not depend on TARGET_80387.
4505 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4507 * tree.c (last_annotated_node): Change type to location_t*.
4508 (annotate_with_file_line): Reflect the change of
4509 last_annotated_node type.
4511 2005-10-04 Richard Guenther <rguenther@suse.de>
4513 PR c/23576
4514 * c-decl.c (grokdeclarator): Don't write to fields
4515 of error_mark_node.
4517 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4519 PR middle-end/23125
4520 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4521 register variables.
4522 * varasm.c (make_decl_rtl): If a register variable does not
4523 have a set user assmbler name, error out.
4524 Decode the asmspec is now name+1 bypassing '*'.
4526 2005-10-04 Steven Bosscher <stevenb@suse.de>
4528 PR tree-optimization/23049
4529 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4530 of a COND_EXPR is folded before calling fold on the whole rhs of a
4531 conditional assignment.
4532 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4533 document that a COND_EXPR may appear there.
4535 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4537 PR 23445
4538 * tree-vrp.c (extract_range_from_assert): If the new numeric
4539 range created out of the assertion contradicts the existing
4540 numeric range of the ASSERT_EXPR variable, make the new range
4541 varying.
4543 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4545 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4546 from T_REGS to FP register class.
4548 2005-10-03 Richard Henderson <rth@redhat.com>
4550 PR 24135
4551 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4552 before creating a new one.
4554 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4556 * config/rs6000/t-aix43 (LDFLAGS): New.
4557 * config/rs6000/t-aix52 (LDFLAGS): New.
4559 2005-10-03 Ian Lance Taylor <ian@airs.com>
4561 * gimplify.c (find_single_pointer_decl_1): New static function.
4562 (find_single_pointer_decl): New static function.
4563 (internal_get_tmp_var): For a formal variable, set restrict base
4564 information if appropriate.
4565 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4566 return it.
4567 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4568 (DECL_GET_RESTRICT_BASE): Define.
4569 (SET_DECL_RESTRICT_BASE): Define.
4570 (decl_restrict_base_lookup): Declare.
4571 (decl_restrict_base_insert): Declare.
4572 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4573 * tree.c (restrict_base_for_decl): New static variable.
4574 (init_ttree): Initialize restrict_base_for_decl.
4575 (copy_node_stat): Copy restrict base information.
4576 (decl_restrict_base_lookup): New function.
4577 (decl_restrict_base_insert): New function.
4578 (print_restrict_base_statistics): New static function.
4579 (dump_tree_statistics): Call print_restrict_base_statistics.
4581 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4583 PR 24142
4584 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4585 case of anti-ranges.
4587 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4589 PR c/18851
4590 * c-typeck.c (tagged_tu_seen): Rename to ...
4591 (tagged_tu_seen_cache): this and add val field.
4592 (comptypes): Move functional to comptypes_internal
4593 and free tagged_tu_seen.
4594 (comptypes_internal): New function and call comptypes_internal
4595 instead of comptypes. Speed up by sibcalling
4596 tagged_types_tu_compatible_p.
4597 (alloc_tagged_tu_seen): New function
4598 (free_all_tagged_tu_seen_up_to): New function.
4599 (tagged_types_tu_compatible_p): Return the val of the seen two
4600 types.
4601 Add that the two types are the same to tagged_tu_seen_base
4602 if they are and call comptypes_internal instead of comptypes.
4603 <case UNION_TYPE>: Speed up common type where the fields are
4604 in the same order.
4605 (function_types_compatible_p): Call comptypes_internal instead of
4606 comptypes.
4607 (type_lists_compatible_p): Likewise.
4608 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4610 2005-10-02 Matthias Klose <doko@debian.org>
4612 * doc/invoke.texi: Fix typo and speling error.
4614 2005-10-01 Richard Henderson <rth@redhat.com>
4616 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4618 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4620 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4621 using --start-group and --end-group.
4623 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4625 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4626 FIXME note regarding quirky semantics.
4628 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4630 PR 24141
4631 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4632 non-null range as a last resort.
4634 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4635 Diego Novillo <dnovillo@redhat.com>
4637 PR 23604
4638 * tree-vrp.c (extract_range_from_assert): For !=
4639 assertions, only build an anti-range if LIMIT is a
4640 single-valued range.
4642 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
4644 * arm.md (movqi): On thumb when optimizing, handle loading from
4645 memory by describing this as taking a subreg of a zero-extended load
4646 into an SImode register.
4647 (movhi): Likewise.
4649 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4651 * reload1.c (merge_assigned_reloads): Do not change any
4652 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4654 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4656 * Makefile.in (LIPO_FOR_TARGET): Define.
4657 (STRIP_FOR_TARGET): Define.
4659 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4660 before creating new ones. Do symlinks before creating the actual
4661 targets.
4663 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4664 to work out which multilibs are actually being built.
4666 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
4668 * tree-vect-transform.c, config/ms1/ms1.md,
4669 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4670 Follow spelling conventions.
4671 * doc/invoke.texi, doc/md.texi: Fix typos.
4673 2005-09-30 Andrew Macleod <amacleod@redat.com>
4675 PR tree-optimization/21430
4676 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4677 use operands, and set stmt pointer if need be.
4678 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4679 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4680 present.
4682 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4684 PR middle-end/24053
4685 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4687 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4689 * optabs.c (expand_binop): Initialize first_pass_p.
4691 2005-09-29 Jakub Jelinek <jakub@redhat.com>
4693 PR middle-end/24109
4694 * c-decl.c (c_write_global_declarations_1): If any
4695 wrapup_global_declaration_2 call returned true, restart the loop.
4697 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4699 Fix PR tree-optimization/24117
4700 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4701 before considering whether to use anyoffset.
4703 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4705 Revert this patch:
4707 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4709 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4710 to order operands.
4711 (swap_commutative_operands_with_target): New.
4713 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4715 PR c/21419
4716 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4717 read-only.
4719 2005-09-29 Steven Bosscher <stevenb@suse.de>
4721 PR tree-optimization/23911
4722 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4723 and IMAGPART_EXPR too.
4725 2005-09-28 Mark Mitchell <mark@codesourcery.com>
4727 PR 17886
4728 * expmed.c (expand_shift): Move logic to reverse rotation
4729 direction when rotating by constants ...
4730 * optabs.c (expand_binop): ... here.
4731 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4732 (ix86_rotrdi3): New pattern.
4733 (rotldi3): Handle 32-bit mode.
4734 (ix86_rotldi3): New pattern.
4736 2005-09-29 Alan Modra <amodra@bigpond.net.au>
4738 PR target/24102
4739 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4740 check for numbers that need no bit twiddle.
4742 2005-09-28 Geoffrey Keating <geoffk@apple.com>
4744 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4745 multilib to be built.
4747 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4748 (stage1-start): Delete old libgcc and libunwind before moving
4749 anything into the stage directory.
4750 (stage2-start): Likewise.
4751 (stage3-start): Likewise.
4752 (stage4-start): Likewise.
4753 (stageprofile-start): Likewise.
4754 (stagefeedback-start): Likewise.
4755 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4756 header in tm_file and CPU-specific t-darwin in tmake_file.
4757 (i[34567]86-*-darwin*): Don't change tm_file.
4758 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4759 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4760 shared library stub for target OS version.
4761 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4762 (SHLIB_LINK): Don't make SHLIB_SOLINK.
4763 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4764 (libgcc_s.%.dylib): New.
4765 (LIBGCC): Define.
4766 (install-darwin-libgcc-stubs): New.
4767 (INSTALL_LIBGCC): New append.
4768 * config/i386/darwin-libgcc.10.4.ver: New.
4769 * config/i386/darwin-libgcc.10.5.ver: New.
4770 * config/i386/t-darwin: New.
4771 * config/rs6000/darwin-libgcc.10.4.ver: New.
4772 * config/rs6000/darwin-libgcc.10.5.ver: New.
4773 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4774 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4776 2005-09-28 Paul Brook <paul@codesourcery.com>
4778 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4779 denormals.
4781 2005-09-28 Richard Guenther <rguenther@suse.de>
4783 PR tree-optimization/23853
4784 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4785 host_integerp to verify misalignment value.
4787 2005-09-28 Richard Henderson <rth@redhat.com>
4789 * builtins.c (get_builtin_sync_mode): New.
4790 (expand_builtin_sync_operation): Pass in mode argument.
4791 (expand_builtin_compare_and_swap): Likewise.
4792 (expand_builtin_lock_test_and_set): Likewise.
4793 (expand_builtin_lock_release): Likewise.
4794 (expand_builtin): Update to match.
4796 2005-09-28 Nick Clifton <nickc@redhat.com>
4798 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4799 formatting. Add check to PLUS case to ensure that the offset is
4800 within an acceptable range.
4802 * config/v850/v850.md (casesi): Disable the generation of the
4803 switch pattern as it is not being handled properly at the moment.
4805 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4806 for when the high words are identical.
4808 2005-09-27 Richard Henderson <rth@redhat.com>
4810 * pretty-print.c (pp_base_format): Fix typo for %>.
4812 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
4813 Devang Patel <dpatel@apple.com>
4815 PR tree-optimization/23625
4816 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4817 LABEL_EXPR, assertion check.
4819 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
4821 * optabs.c (no_conflict_move_test): Check if a result of a
4822 to-be-moved insn would be clobbered by an originally
4823 preceding insn.
4825 2005-09-27 Jeff Law <law@redhat.com>
4827 * passes.c (init_optimization_passes): Replace copy propagation
4828 passes immediately after DOM with phi-only copy propagation
4829 pases. Add phi-only copy propagation pass after first DOM pass.
4830 * tree-pass.h (pass_phi_only_copy_prop): Declare.
4831 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4832 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4833 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
4834 to init_copy_prop. Callers updated.
4835 (do_phi_only_copy_prop): New function.
4836 (pass_phi_only_copy_prop): New pass descriptor.
4838 2005-09-27 Nick Clifton <nickc@redhat.com>
4840 * libgcc2.c (__popcount_tab): Remove redundant prototype.
4842 2005-09-26 Jason Merrill <jason@redhat.com>
4844 PR c++/13764
4845 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4847 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4849 2005-09-26 James E Wilson <wilson@specifix.com>
4851 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4852 copyright. Add gcc copyright plus libgcc exception.
4853 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
4854 copyright.
4855 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4857 2005-09-26 Jeff Law <law@redhat.com>
4859 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4860 about when to iterate.
4862 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
4864 PR target/23847
4865 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4866 for __complex__ double in -mcpu=G5 mode.
4868 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
4870 PR tree-optimization/23942
4871 * Makefile.in (SCEV_H): Depends on PARAMS_H.
4872 * tree-scalar-evolution.c: Include params.h.
4873 (t_bool): New enum.
4874 (follow_ssa_edge, follow_ssa_edge_in_rhs,
4875 follow_ssa_edge_in_condition_phi_branch,
4876 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4877 Change return type to t_bool. Use a parameter to limit the size of
4878 trees that are walked before stopping
4879 (analyze_evolution_in_loop): Initialize the limit to 0.
4880 (follow_ssa_edge): Give up by returning t_dont_know if the limit
4881 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4883 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4885 PR middle-end/23831
4886 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4887 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4889 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
4891 * combine.c (make_extraction): Check for valid use of subreg.
4893 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4895 PR target/24055
4896 * config/i386/i386.md ("*fistdi2_1"): New pattern.
4897 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4898 ("fist<mode>2_with_temp"): Use only register operands.
4900 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
4902 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4903 CALL_INSN_FUNCTION_USAGE.
4905 2005-09-26 Richard Guenther <rguenther@suse.de>
4907 PR middle-end/15855
4908 * gcse.c: Include hashtab.h, define ldst entry hashtable.
4909 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4910 (ldst_entry): Use the hashtable instead of list-walking.
4911 (find_rtx_in_ldst): Likewise.
4912 (free_ldst_entry): Free the hashtable.
4913 (compute_ld_motion_mems): Create the hashtable.
4914 (trim_ld_motion_mems): Remove entry from hashtable if
4915 removing it from list.
4916 (compute_store_table): Likewise^2.
4917 (store_motion): Free hashtable in case we did not see
4918 any stores.
4920 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
4922 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4923 and arg1 if we are passing them to fold_build2.
4925 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
4927 PR 23828
4928 * config/i386/i386.c (ix86_function_regparm): Fix the test for
4929 a nested function.
4931 2005-09-25 Richard Henderson <rth@redhat.com>
4933 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4934 SYMBOL_REF_TLS_MODEL to be correct.
4936 2005-09-24 Richard Henderson <rth@redhat.com>
4938 * ipa-type-escape.c (discover_unique_type): Remove dead code at
4939 end of function. Reindent.
4941 2005-09-24 Ian Lance Taylor <ian@airs.com>
4943 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4944 NEGATE_EXPR/BIT_NOT_EXPR case.
4946 2005-09-24 Richard Henderson <rth@redhat.com>
4948 * c-common.c (handle_mode_attribute): When not modifying in place,
4949 create subtypes for enumerations.
4950 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4951 * gimplify.c (create_tmp_from_val): Likewise.
4953 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
4955 * config/i386/i386.md (*tls_global_dynamic_64,
4956 *tls_local_dynamic_base_64): Add missing mode to call.
4957 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4959 2005-09-24 Jan Hubicka <jh@suse.cz>
4961 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4962 (cgraph_clone_node): Likewise.
4963 * cgraph.h (cgraph_clone_edge): Update prototype.
4964 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4965 duplicated prototypes; add updating argument.
4966 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4967 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4968 updating profile.
4969 (cgraph_mark_inline_edge): Likewise.
4970 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4971 (cgraph_flatten_node): Likewise.
4972 (cgraph_decide_recursive_inlining): Likewise.
4973 (cgraph_decide_inlining_of_small_function): Likewise.
4974 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4976 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4977 Pete Steinmetz <steinmtz@us.ibm.com>
4979 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4980 (rldic.): Set type to "compare".
4981 (rldicr.): Same.
4982 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
4983 mfjmpr for MFCTR/MFLR.
4984 (movdf_hardfloat64): Same.
4985 (movdf_softfloat64): Same. Correct order of store and move types.
4986 (movti_string): Set type to store_ux/load_ux.
4987 (load_multiple): Set type to load_ux.
4988 (store_multiple): Set type to store_ux.
4989 (movmemsi): Set type to store_ux.
4990 (output_cbranch direct_return): Set type to jmpreg.
4991 (stmw): Set type to store_ux.
4992 (lmw): Set type to load_ux.
4993 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4994 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4995 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4996 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4997 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4998 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4999 (rios1-fpstore): Increase latency to 3.
5000 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5001 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5003 2005-09-23 David Edelsohn <edelsohn@gnu.org>
5004 Andrew Pinski <pinskia@physics.uc.edu>
5006 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5007 operand2 constraint to "b".
5008 (sync_<fetchop_name>di_internal): Same.
5009 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5010 to "b".
5011 (sync_old_<fetchop_name>di_internal): Same.
5012 (sync_new_<fetchop_name>si_internal): Same.
5013 (sync_new_<fetchop_name>di_internal): Same.
5015 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
5017 PR middle-end/23991
5018 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5019 case, define as macros.
5021 PR rtl-optimization/23837
5022 * optabs.c (no_conflict_move_test): Don't set must_stay for a
5023 clobber / clobber match between dest and p->first.
5025 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5026 (no_conflict_move_test): Update comments.
5028 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5030 * doc/install.texi: Update URL for Jacks.
5031 * doc/sourcebuild.texi: Likewise.
5033 2005-09-22 David Edelsohn <edelsohn@gnu.org>
5035 PR target/24007
5036 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5037 registers when choosing register preferences.
5038 (movdf_hardfloat64): Same.
5040 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
5042 * expmed.c (expand_shift): Don't use the target of the rotate as
5043 target for the first expanded shift insn.
5044 * testsuite/gcc.dg/20050922-1.c: Testcase added.
5046 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
5048 PR tree-optimization/22438
5049 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5050 preserved iv rhs rewriting specially.
5052 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
5054 * tree-data-ref.c (analyze_array_indexes): Only estimate when
5055 estimate_only is true.
5056 * tree-flow.h (ref_contains_indirect_ref): New prototype.
5057 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5058 tree-ssa-structalias.c
5059 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5060 ref_contains_indirect_ref.
5061 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5063 2005-09-21 DJ Delorie <dj@redhat.com>
5065 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5066 MASK_PTR_A0D0.
5067 (mn10300_return_in_memory): Support variable size types also.
5068 (mn10300_pass_by_reference): Likewise.
5069 (mn10300_function_value): New.
5070 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5071 (FUNCTION_OUTGOING_VALUE): Likewise.
5072 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5073 * doc/invoke.texi: Document it.
5075 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5077 PR target/22585
5078 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5079 force integer op1 into register for XFmode compares.
5081 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5083 PR middle-end/23971
5084 * expmed.c (alg_code): Add alg_impossible.
5085 (alg_hash_entry): Add cost.
5086 (synth_mult): Record alg_impossible in the hash table if
5087 multiplication by a given integer is impossble within the
5088 limit. Speed up using alg_impossible.
5090 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5092 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5093 argument. Allow and set any offset if needs_anyoffset is passed
5094 in.
5095 (get_constraint_for): Add argument here too.
5096 Pass it down.
5097 (do_structure_copy): Pass NULL to get_constraint_for.
5098 (handle_ptr_arith): Ditto.
5099 (find_func_aliases): Ditto.
5101 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5103 PR rtl-optimization/23898
5104 * output.h (get_attr_min_length): Declare.
5105 * final.c (get_attr_length_1): New function, broken out of:
5106 (get_attr_length).
5107 (get_attr_min_length): New function.
5108 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5109 (duplicate_computed_gotos): Likewise.
5110 * genattr.c (insn_min_length): Generate declaration.
5111 * genattrtab.c (min_fn, min_attr_value): New functions.
5112 (make_length_attrs): Generate insn_min_length.
5114 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5116 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5118 2005-09-20 Richard Henderson <rth@redhat.com>
5120 PR tree-optimization/24059
5121 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5122 EXPAND_STACK_PARM.
5124 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5126 * c.opt (fextended-identifiers): New.
5127 * c-opts.c (c_common_handle_option): Handle
5128 -fextended-identifiers.
5129 * doc/cpp.texi: Update documentation of extended identifiers.
5130 * doc/cppopts.texi (-fextended-identifiers): Document.
5132 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5134 PR tree-optimization/23929
5135 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5136 if expr is NULL.
5138 PR tree-optimization/23818
5139 * tree-stdarg.c (execute_optimize_stdarg): Call
5140 calculate_dominance_info.
5142 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5144 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5145 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5146 (compute_overlap_steps_for_affine_1_2): Use
5147 get_number_of_iters_for_loop.
5148 (analyze_subscript_affine_affine): Check whether difference is
5149 zero first.
5150 Use get_number_of_iters_for_loop.
5151 Check whether overlap occurs outside of bounds.
5152 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5154 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5156 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5157 base register if possible.
5159 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5161 PR tree-optimization/18463
5162 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5163 converting it directly is not possible.
5164 (chrec_convert_aggressive): New function.
5165 * tree-chrec.h (chrec_convert_aggressive): Declare.
5166 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5167 Fold chrec conversions aggressively if asked to.
5168 (instantiate_parameters): Modified because of changes in
5169 instantiate_parameters_1.
5171 2005-09-19 Richard Henderson <rth@redhat.com>
5173 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5174 (reduc_splus_v2df): New.
5176 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5178 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5179 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5181 2005-09-19 Richard Henderson <rth@redhat.com>
5183 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5184 vcondu<SSEMODE12>.
5186 2005-09-19 Richard Henderson <rth@redhat.com>
5188 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5189 (ia64_expand_dot_prod_v8qi): New.
5190 * config/ia64/ia64-protos.h: Update.
5191 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5192 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5193 sdot_prodv8qi, sdot_prodv4hi): New.
5194 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5196 2005-09-19 Richard Henderson <rth@redhat.com>
5198 PR 23941
5199 * real.c (exact_real_truncate): Return false if the format cannot
5200 represent the number as a normal.
5202 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5203 for a memory source.
5205 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5207 * tree-ssa-operands.c (swap_tree_operands): Export.
5208 * tree.h (swap_tree_operands): Declare.
5209 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5210 Call swap_tree_operands.
5212 2005-09-19 Richard Henderson <rth@redhat.com>
5214 * tree-flow.h (merge_alias_info): Declare.
5215 * tree-ssa-copy.c (merge_alias_info): Export.
5216 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5217 (vect_create_data_ref_ptr): Use create_iv directly.
5218 (vectorizable_load): Use correct types for integer constants.
5219 (vect_generate_tmps_on_preheader): Likewise.
5220 (vect_gen_niters_for_prolog_loop): Likewise.
5222 2005-09-19 Steven Bosscher <stevenb@suse.de>
5224 PR rtl-optimization/23943
5225 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5227 2005-09-18 Jan Hubicka <jh@suse.cz>
5229 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5231 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5233 * varasm.c (output_constant): Do not abort on conversions to union
5234 types between different sizes.
5236 2005-09-18 Richard Guenther <rguenther@suse.de>
5238 PR middle-end/23944
5239 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5240 fallback.
5242 2005-09-18 Paul Brook <paul@codesourcery.com>
5244 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5246 2005-09-17 Richard Henderson <rth@redhat.com>
5248 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5249 * tree-ssa-loop.c (pass_vect_dce): Remove.
5250 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5251 of pass_vectorize.
5253 2005-09-17 Richard Henderson <rth@redhat.com>
5255 * tree-pass.h (pass_vect_dce): Declare.
5256 * passes.c (init_optimization_passes): Add it.
5257 * tree-flow.h (tree_ssa_dce): Declare.
5258 * tree-ssa-dce.c (tree_ssa_dce): Export.
5259 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5260 (gate_tree_vectorize): ... here.
5261 (pass_vect_dce): New.
5263 2005-09-17 Jan Hubicka <jh@suse.cz>
5265 * except.c (struct eh_status): Turn region_array into vec.
5266 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5267 convert_from_eh_region_ranges, find_exception_handler_labels,
5268 current_function_has_exception_handlers, assign_filter_values,
5269 build_post_landing_pads, dw2_build_landing_pads,
5270 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5271 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5272 foreach_reachable_handler, can_throw_internal_1,
5273 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5274 region_array.
5275 (duplicate_eh_region_1): Update region_array.
5276 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5278 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5280 PR middle-end/22067
5281 * expmed.c (expand_mult): Substitute simple register for op0 when
5282 computing max_cost.
5284 2005-09-17 Richard Henderson <rth@redhat.com>
5286 * expr.c (emit_move_via_integer): Add force argument, pass it on
5287 to emit_move_change_mode. Update callers.
5288 (emit_move_complex): Pass true to new force argument.
5289 * function.c (expand_function_end): Move expand_eh_return call
5290 earlier. Merge sub-word complex values into a pseudo before
5291 copying to the return hard register.
5293 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5295 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5296 between different sizes.
5298 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5300 PR 23903
5302 * passes.c (init_optimization_passes): Register dump files for
5303 IPA passes first.
5305 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5307 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5308 * config/s390/s390.c (s390_overlap_p): New function.
5309 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5310 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5311 condition.
5313 2005-09-16 Richard Guenther <rguenther@suse.de>
5315 * ipa-pure-const.c (static_execute): Free auxiliar information.
5316 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5317 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5319 2005-09-15 DJ Delorie <dj@redhat.com>
5321 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5323 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5325 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5326 to order operands.
5327 (swap_commutative_operands_with_target): New.
5329 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5331 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5332 parameter.
5333 Update callers.
5334 (estimate_iters_using_array): New function.
5335 * tree-data-ref.h (estimate_iters_using_array): Prototype
5336 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5337 Use estimate_iters_using_array instead of analyze_array.
5339 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5341 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5342 as addressable.
5344 2005-09-15 Michael Matz <matz@suse.de>
5346 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5348 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5350 PR tree-optimization/23835
5351 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5352 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5354 2005-09-14 Richard Henderson <rth@redhat.com>
5356 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5357 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5359 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5361 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5362 in the ARRAY_TYPE case.
5364 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5366 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5368 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5370 PR middle-end/22480
5371 * tree-vect-transform.c (vectorizable_operation): Return false for
5372 scalar shift operations and for vector shift operations with
5373 non-invariant shift arguments. Use scalar tree operand op1 as
5374 a shift operand when vector shift insn pattern uses scalar shift
5375 operand.
5376 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5378 2005-09-14 Olivier Hainque <hainque@adacore.com>
5380 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5381 value if it has side-effects.
5383 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5385 PR target/22068
5386 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5388 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5390 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5391 passed as NAME as if it were label at start of function code.
5393 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5395 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5396 the constraints.
5398 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5400 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5401 as early clobber. Rewrite so the PIC register is not implicitly used.
5403 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5405 * tree.c (annotate_with_file_line): Compare line numbers before
5406 file names.
5408 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5410 PR target/23816
5411 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5412 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5414 2005-09-13 Ian Lance Taylor <ian@airs.com>
5416 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5417 than a HOST_WIDEST_INT to gen_doloop_begin.
5419 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5421 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5423 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5425 PR tree-optimize/23817
5426 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5428 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5430 PR target/23774
5431 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5432 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5433 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5434 (restore_stack_nonlocal): Likewise.
5435 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5437 2005-09-12 Ian Lance Taylor <ian@airs.com>
5439 PR g++/7874
5440 * c.opt (ffriend-injection): New C++ option.
5441 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5442 (C++ Dialect Options): Document -ffriend-injection.
5444 2005-09-12 Josh Conner <jconner@apple.com>
5446 PR middle-end/23237
5447 * ipa-reference.c (static_execute): Don't mark variables in
5448 named sections TREE_READONLY.
5450 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5452 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5453 stack_tie.
5455 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5457 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5458 V_MUST_DEF instead of just the first_use_p.
5459 Don't mark the virtual variables for renaming on the statement which
5460 is being removed.
5461 (pass_dse): Remove TODO_update_ssa.
5463 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5465 PR middle-end/23290
5466 * stor-layout.c (compute_record_mode): For records with a single
5467 field, actually check the field's mode size against the type size.
5469 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5470 registers for TARGET_SHMEDIA.
5471 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5472 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5473 of GENERAL_REGS and FP_REGS.
5475 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5477 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5479 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5481 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5482 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5483 are omitted. Exclude stack_tie insn too.
5485 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5487 PR rtl-optimization/23098
5488 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5489 0.0f is easy.
5490 * config/rs6000/rs6000.md (movdf splitter): Use
5491 const_double_operand predicate for TARGET_POWERPC64.
5492 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5493 SYMBOL_REF method to ABI_V4.
5495 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5496 replace_equiv_address.
5497 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5498 rs6000_sr_alias_set and MEM_NOTRAP.
5499 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5501 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5503 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5504 handle CALL_EXPR again.
5506 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5508 * arm/predicates.md (alignable_memory_operand): Delete.
5510 2005-09-10 Richard Henderson <rth@redhat.com>
5512 PR debug/23806
5513 * dbxout.c (dbxout_expand_expr): New.
5514 (dbxout_symbol): Use it.
5516 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5518 * arm.c (arm_gen_rotated_half_load): Delete.
5519 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5520 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5521 (thumb_set_return_address): Likewise.
5522 (thumb_load_double_from_address): Use adjust_address.
5523 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5524 (extendhsisi2_mem, movhi_bytes): Use change_address.
5525 (movhi): Use widen_memory_access.
5526 (reload_out_df): Use replace_equiv_address.
5527 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5529 2005-09-09 Richard Henderson <rth@redhat.com>
5531 PR debug/20998
5532 * dbxout.c: Include expr.h.
5533 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5534 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5535 * Makefile.in (dbxout.o): Add EXPR_H.
5537 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5539 PR tree-optimization/23509
5540 * tree-cfg.c (replace_uses_by): Use replace_exp.
5541 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5542 pointers have name_mem_tag or type_mem_tag set.
5544 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5546 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5547 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5548 of wrongly accessing operands.
5550 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5552 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5553 * tree-chrec.c: Include tree-scalar-evolution.h.
5554 (chrec_convert): Instantiate the base and step before calling
5555 scev_probably_wraps_p that would fail on parametric evolutions.
5556 Collect all the fails into a single section failed_to_convert,
5557 print a diagnostic, and return chrec_dont_know instead of calling
5558 fold_convert.
5559 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5560 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5561 phi nodes.
5562 (scev_const_prop): Don't replace the definition of a loop closed ssa
5563 phi node by itself, or by another loop closed ssa phi node.
5564 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5565 that base and step are defined.
5567 2005-09-09 Richard Guenther <rguenther@suse.de>
5569 PR c++/23624
5570 * fold-const.c (fold_ternary): Check truth_value_p before
5571 calling invert_truthvalue.
5573 2005-09-09 Nick Clifton <nickc@redhat.com>
5575 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5576 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5577 dimension of these arrays.
5578 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5579 these arrays.
5580 * longlong.h: Only provide a prototype for the __clz_tab[] array
5581 if this header has not been included from libgcc2.h.
5582 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5583 defining own types.
5584 Provide prototypes for exported functions.
5585 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5586 libgcc2.c.
5588 2005-09-08 Josh Conner <jconner@apple.com>
5590 PR c++/21135
5591 PR c++/23180
5592 * expr.c (expand_expr_addr_expr_1): Don't invoke
5593 expand_simple_binop for EXPAND_INITIALIZER.
5595 2005-09-08 Richard Henderson <rth@redhat.com>
5597 PR debug/23190
5598 * toplev.c (wrapup_global_declaration_1): Split out ...
5599 (wrapup_global_declaration_2): ... from ...
5600 (wrapup_global_declarations): ... here. Return bool.
5601 (check_global_declaration_1): Split out ...
5602 (check_global_declarations): from here.
5603 (emit_debug_global_declarations): New.
5604 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5605 check_global_declaration_1, emit_debug_global_declarations): Declare.
5606 * c-decl.c (c_write_global_declarations_1): Don't create a vector
5607 of decls. Call wrapup_global_declaration_1,
5608 wrapup_global_declaration_2, check_global_declaration_1 directly.
5609 (c_write_global_declarations_2): New.
5610 (ext_block): New.
5611 (c_write_global_declarations): Call c_write_global_declarations_2.
5612 * langhooks.c (write_global_declarations): Call
5613 emit_debug_global_declarations.
5615 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5616 remove decls that have DECL_RTL_SET_P.
5617 * passes.c (rest_of_decl_compilation): Invoke
5618 cgraph_varpool_finalize_decl for all but functions.
5620 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5622 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5623 the result of a conversion if the new min and max cannot be compared.
5625 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
5627 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5628 (override_options): Setting s390_sr_alias_set removed.
5629 (save_fpr, save_gprs): Set alias set to vararg or frame.
5630 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5631 s390_sr_alias_set with get_frame_alias_set ().
5632 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5633 get_varargs_alias_set ().
5635 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5637 PR objc/20574
5638 PR objc/19324
5639 * c-parser.c (c_parser_objc_method_definition): If the next
5640 token is not "{", error out and don't start the function.
5642 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5644 * tree-vrp.c (extract_range_from_expr): Move the check for non
5645 nullness after the check for gimple invariant.
5647 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5649 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5651 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5653 PR target/23747
5654 * config/m32r.md (movmemsi_internal): Canonicalize order of
5655 operands in PLUS component of template.
5657 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
5659 * reload1.c (fixup_eh_region_note): Remove assertion.
5660 (fixup_abnormal_edges): Reverted removal of call to
5661 find_many_sub_basic_blocks made on 2005-08-31.
5663 2005-09-07 Richard Henderson <rth@redhat.com>
5665 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5666 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5667 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5668 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5669 rearrange for better packing.
5670 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5671 (lookup_cfa_1): Remove inline marker.
5672 (cfa_equal_p): Split out of ...
5673 (def_cfa_1): ... here. Use INVALID_REGNUM.
5674 (build_cfa_loc): Handle !cfa->indirect.
5675 (frame_pointer_cfa_offset): New.
5676 (dbx_reg_number): Assert register elimination performed; do
5677 leaf register remapping.
5678 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5679 (eliminate_reg_to_offset): New.
5680 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
5681 for verifiably local stack frame addresses; re-base to CFA.
5682 (mem_loc_descriptor): Remove can_use_fbreg argument.
5683 (concat_loc_descriptor, loc_descriptor): Likewise.
5684 (containing_function_has_frame_base): Remove.
5685 (rtl_for_decl_location): Don't do register elimination or
5686 leaf register remapping here.
5687 (secname_for_decl): Split out from ..
5688 (add_location_or_const_value_attribute): ... here.
5689 (convert_cfa_to_loc_list): New.
5690 (compute_frame_pointer_to_cfa_displacement): New.
5691 (gen_subprogram_die): Use them.
5692 * tree.h (frame_base_decl): Remove.
5693 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5694 (prologue_stack_adjust): Remove.
5695 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5696 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5697 (set_frame_base_location): Remove.
5698 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5699 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5700 (vt_add_function_parameters): Don't eliminate_regs.
5701 (vt_initialize): Don't create frame_base_decl.
5703 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5705 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5706 version of GNU binutils for 4.x and later.
5708 2005-09-06 Mark Mitchell <mark@codesourcery.com>
5710 * ggc-page.c (ggc_push_context): Remove.
5711 (ggc_pop_context): Likewise.
5712 * ggc.h (ggc_push_context): Remove.
5713 (ggc_pop_context): Likewise.
5715 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5717 PR target/8973
5718 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5719 returning from an interrupt handler.
5721 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5723 PR target/8972
5724 * config/arc/arc.c (output_shift): Add check for loop count when
5725 optimizing.
5727 2005-09-06 Steven Bosscher <stevenb@suse.de>
5729 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5730 form manually.
5731 (abs_replacement): Likewise.
5732 (pass_phiopt): Remove TODO_update_ssa.
5734 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5736 PR c/23075
5737 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5738 if "return with no value, in function returning non-void" warning
5739 has been issued.
5740 * tree-cfg.c (execute_warn_function_return): Don't look at
5741 RETURN_EXPRs with TREE_NO_WARNING set.
5743 PR target/22362
5744 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5745 for internal functions doesn't use registers used by global registers
5746 variables. Use fewer register parameters if there are global register
5747 variables.
5749 2005-09-06 Olivier Hainque <hainque@adacore.com>
5750 Eric Botcazou <ebotcazou@adacore.com>
5752 PR middle-end/14997
5753 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5754 when we would be extracting outside its bit span (bitpos+bitsize
5755 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5756 Ada unchecked conversions.
5758 2005-09-06 Steven Bosscher <stevenb@suse.de>
5760 * tree-ssa-pre.c (try_look_through_load): New function.
5761 (compute_avail): Use it to try to look through loads for some
5762 more useful expressions.
5764 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5766 * simplify-rtx.c (simplify_binary_operation_1): Correct the
5767 condition for detecting cases like (a&a) and (a^a).
5769 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
5771 * common.opt: Add option ftree-vect-loop-version.
5772 * params.def: Add --param vect-max-version-checks.
5773 * doc/invoke.texi: Document ftree-vect-loop-version and
5774 --param vect-max-version-checks.
5775 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5776 may_misalign_stmts and defines for accessors.
5777 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5778 LOOP_VINFO_MAY_MISALIGN_STMTS.
5779 (destroy_loop_vec_info): VEC_free for
5780 LOOP_VINFO_MAY_MISALIGN_STMTS.
5781 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5782 Update documentation.
5783 (vect_update_misalignment_for_peel): New.
5784 (vect_enhance_data_refs_alignment): Update to choose loop
5785 peeling or loop versioning if appropriate for the (potentially)
5786 unaligned data references in the loop.
5787 (vect_analyze_data_refs_alignment): Remove call to
5788 vect_enhance_data_refs_alignment so the checks can be done
5789 earlier.
5790 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5791 and move up call to vect_analyze_data_refs_alignment.
5792 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5793 (vect_transform_loop): Add call to loop_version.
5795 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5797 PR rtl-optimization/23098
5798 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5799 * simplify-rtx.c (constant_pool_reference_p): New function.
5800 * rtl.h (constant_pool_reference_p): New prototype.
5801 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5802 constant_pool_reference_p in condition and
5803 avoid_constant_pool_reference in preparation statements.
5805 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
5807 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5808 STRICT_LOW_PART SETs.
5810 2005-09-06 Alan Modra <amodra@bigpond.net.au>
5812 PR middle-end/21460
5813 * except.c (sjlj_emit_function_enter): Find the function begin
5814 note even when it's not in first basic block.
5816 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
5818 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
5819 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5820 * aclocal.m4: Regenerate.
5822 2005-09-05 DJ Delorie <dj@redhat.com>
5824 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5825 of macro.
5827 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
5829 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5830 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5831 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5832 Follow spelling conventions.
5833 * doc/invoke.texi: Follow spelling conventions.
5835 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5837 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5838 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5839 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5841 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5843 PR target/23683
5844 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5845 (output_stack_adjust): Use gen_tmp_stack_mem.
5846 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5847 (sh_set_return_address, sh_allocate_initial_value): Likewise.
5848 (sh_get_pr_initial_val): Likewise.
5849 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5850 (sh_initialize_trampoline): Likewise. Also use adjust_address.
5851 * sh.md (divsi_inv_m0): Use gen_const_mem.
5852 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5853 (movdf_i4+1): Use gen_tmp_stack_mem.
5854 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5855 (fpu_switch+2): Likewise.
5856 (movv4sf_i, movv16sf_i): Use adjust_address.
5857 (symGOT_load): Set MEM_NOTRAP_P bit.
5859 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5861 PR target/23721
5862 * pa.c (emit_move_sequence): Fix typo in last change.
5864 2005-09-03 Jakub Jelinek <jakub@redhat.com>
5866 PR rtl-optimization/23454
5867 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5868 is true.
5870 2005-09-03 Richard Henderson <rth@redhat.com>
5871 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5873 PR middle-end/23671
5874 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5875 gen_rtx_MEM.
5877 2005-09-02 Nicolas Pitre <nico@cam.org>
5879 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5880 to bit_count to 32 bits.
5882 2005-08-31 Mark Mitchell <mark@codesourcery.com>
5884 PR c++/23167
5885 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5886 generating synthetic loads from volatile lvalues.
5888 005-09-02 Nick Clifton <nickc@redhat.com>
5890 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5891 __ctzhi2, __clzhi2): New functions.
5893 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
5895 PR middle-end/23547
5896 * tree-nested.c (struct var_map_elt): Mark with GTY.
5897 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
5898 var_map_elt.
5899 (lookup_field_for_decl): Allocate new element in GC memory.
5900 (lookup_tramp_for_decl): Likewise.
5901 (convert_nl_goto_reference): Likewise
5902 (create_nesting_tree): Allocate info in GC memory. Likewise for
5903 info->var_map.
5904 (free_nesting_tree): Free with ggc_free instead of free.
5905 (root): New static variable.
5906 (lower_nested_functions): Remove root as local variable. And zero out
5907 root at the end of the function.
5909 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
5911 PR rtl-optimization/20365
5912 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5913 to short. New member ix.
5914 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5915 (simplify_plus_minus): Initialize ix members before calling qsort.
5917 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
5919 PR tree-optimization/23626
5920 * tree-cfg.c (replace_uses_by): Clean up eh info.
5922 2005-09-01 DJ Delorie <dj@redhat.com>
5924 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5925 fprintf.
5927 2005-09-01 David Edelsohn <edelsohn@gnu.org>
5929 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5930 (rs6000_split_multireg_move): Use replace_equiv_address instead of
5931 gen_rtx_MEM.
5933 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
5935 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
5936 do not issue warning for a variable definition following
5937 a declaration.
5939 2005-09-01 Richard Henderson <rth@redhat.com>
5941 PR 23668
5942 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5943 conversion to CONST_VECTOR.
5945 2005-09-01 Richard Henderson <rth@redhat.com>
5947 PR 23676
5948 * reload1.c (reload_as_needed): Check !CALL_P before calling
5949 fixup_eh_region_note.
5950 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5952 2005-09-01 DJ Delorie <dj@redhat.com>
5954 * varasm.c (output_constant): Let the target resolve
5955 conversions of addresses to non-default pointer sizes.
5957 2005-09-01 Nicolas Pitre <nico@cam.org>
5959 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5960 to alow matching ARM pre-indexed addressing mode.
5961 (arm_override_options): Remove now irrelevant comment.
5963 2005-09-01 Phil Edwards <phil@codesourcery.com>
5965 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
5966 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
5967 * config/i386/vxworks.h: Likewise.
5968 * config/i386/t-vxworksae: New file, for VxWorks AE.
5969 * config/i386/vxworksae.h: Likewise.
5971 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
5973 PR tree-optimization/23410
5974 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5975 sequence is not wrapping during the first step.
5977 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5979 PR debug/7241
5980 * dwarf2out.c (base_type_die): Compare char_type_node with
5981 TYPE_MAIN_VARIANT (type), not type.
5983 2005-09-01 Richard Guenther <rguenther@suse.de>
5985 PR tree-optimization/15366
5986 * common.opt: Add -finline-functions-called-once.
5987 Put -fearly-inlining in alphabetically ordered place.
5988 * doc/invoke.texi: Document new option.
5989 * ipa-inline.c (cgraph_decide_inlining): Honour
5990 flag_inline_functions_called_once.
5992 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5994 PR rtl-optimization/23478
5995 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5996 (alloc_qty): Initialize it.
5997 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5998 (combine_regs): Combine also n_throwing_calls_crossed fields.
5999 (find_free_reg): Don't attempt to caller-save pseudos crossing
6000 calls that might throw.
6001 * global.c (struct allocno): Add throwing_calls_crossed field.
6002 (global_alloc): Revert 2005-08-22 change. Initialize
6003 throwing_calls_crossed.
6004 (find_reg): Don't attempt to caller-save pseudos crossing calls that
6005 might throw.
6007 2005-09-01 Alan Modra <amodra@bigpond.net.au>
6009 PR target/23649
6010 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6011 (mask64_operand): Reinstate code prior to 2005-06-11 change.
6012 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6013 (and64_2_operand): Tweak to use predicate.
6014 (and_operand): Adjust for mask_operand changes.
6015 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6016 (print_operand): Likewise.
6017 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6018 (mask64_1or2_operand): Delete.
6019 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6020 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6021 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6022 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6023 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6024 (rotldi3_internal4): Likewise.
6025 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6026 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6027 (ashldi3_internal7): Likewise.
6028 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6029 (ashldi3_internal, ashldi3_internal9 split): Likewise.
6030 (anddi3 split): Don't match mask64_operand.
6031 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
6032 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
6033 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
6034 't' splitter predicate.
6035 (movdi_internal64 + 2): Revert 2005-06-11 change.
6037 2005-08-31 DJ Delorie <dj@redhat.com>
6039 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6040 (m32c_asm_integer): Add support for 32 bit pointers.
6042 2005-08-31 Richard Henderson <rth@redhat.com>
6044 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6045 component-like references for setting MEM_NOTRAP_P.
6047 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6048 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6050 2005-08-31 Richard Henderson <rth@redhat.com>
6052 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6053 into a pseudo before applying gen_lowpart.
6055 2005-08-31 Geoffrey Keating <geoffk@apple.com>
6057 * doc/install.texi (Specific): Update cctools version required
6058 for full functionality.
6059 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6060 linkers as -macosx_version_min.
6062 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6064 PR target/21255
6065 * sh.c (print_operand, %R and %S): Add handling of floating point
6066 registers, memory, constants and invalid operands.
6068 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6070 * ipa-pure-const.c: Change dump name.
6072 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6074 PR target/23570
6075 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6076 to "reg_or_0_operand".
6077 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6079 2005-08-31 Dale Johannesen <dalej@apple.com>
6081 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6082 loops that count down.
6084 2005-08-31 Richard Henderson <rth@redhat.com>
6086 PR rtl-opt/23601
6087 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6088 (fixup_eh_region_note): New.
6089 (reload_as_needed): Call it.
6090 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6091 don't call find_many_sub_basic_blocks; call verify_flow_info.
6092 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6093 (keep_stack_depressed): Likewise.
6094 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6096 2005-08-31 Richard Henderson <rth@redhat.com>
6098 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6099 fp return matching.
6101 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6103 * expr.c (expand_expr_real_1): Compare size of address
6104 mode to target's address mode size in deciding expansion of
6105 the constant address.
6107 2005-08-31 Richard Guenther <rguenther@suse.de>
6109 PR middle-end/23477
6110 * expr.c (all_zeros_p): New function.
6111 (expand_expr_real_1): Handle the case of an all-zero
6112 non-addressable constructor separately.
6114 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6116 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6117 arguments, adjust all callers.
6118 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6120 2005-08-30 Richard Henderson <rth@redhat.com>
6122 PR target/23630
6123 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6124 whenever the mode sizes match.
6126 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6128 * calls.c (load_register_parameters): Fix comment typo.
6129 * expr.c (emit_push_insn): Comment formatting.
6131 2005-08-30 Ian Lance Taylor <ian@airs.com>
6133 * config/i386/x-cygwin (host-cygwin): Change dependency from
6134 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6136 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6138 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6139 parts of 'vals'.
6141 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6143 PR middle-end/23408
6144 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6145 call to ggc_collect.
6147 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6149 PR bootstrap/21268
6150 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6151 beginning. Remove $(INCLUDES) from all the rules, if following
6152 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6154 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6156 PR middle-end/23484
6157 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6158 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6159 not constant, but maxlen is, don't set len to maxlen, rather
6160 set maxlen to len if len is a constant.
6162 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6164 PR tree-optimization/23475
6165 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6166 and counts.
6168 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6170 Fix PR middle-end/22455
6172 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6173 Checksum only the parts of the tree that exist for the tree code.
6175 2005-08-28 Dale Johannesen <dalej@apple.com>
6177 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6179 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6181 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6183 2005-08-28 Richard Henderson <rth@redhat.com>
6185 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6186 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6187 of char_type_node.
6189 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6191 PR ada/23593
6192 * builtins.c (get_memory_rtx): Don't strip nops
6193 in between COMPONENT_REFs.
6195 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6197 PR middle-end/23463
6198 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6199 types.
6200 (gimplify_modify_expr): Check for zero sized types and gimplify the
6201 rhs and lhs as statements.
6203 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6205 PR libgcj/23508
6206 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6207 state for return address column of signal frames.
6209 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6211 PR target/23539
6212 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6213 bytes >= 2 not bytes == 2.
6214 (expand_block_move): Same.
6216 2005-08-27 Richard Guenther <rguenther@suse.de>
6218 PR target/23575
6219 * config/i386/sse.md (sse2_movsd): Add missing closing
6220 braces.
6222 2005-08-27 Paul Brook <paul@codesourcery.com>
6224 * genrecog.c (enum decision_type): Add DT_num_insns.
6225 (struct decision_test): Add u.num_insns.
6226 (add_to_sequence): Add DT_num_insns test.
6227 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6228 (write_cond, debug_decision_2): Ditto.
6229 (change_state): Assume peep2_next_insn never fails.
6230 Remove "afterward" argument.
6231 (write afterward, write_tree): Update to match.
6232 * recog.c (peep2_current_count): New variable.
6233 (peep2_next_insn): Check it.
6234 (peephole2_optimize): Set peep2_current_count.
6235 * recog.h (peep2_current_count): Declare.
6237 2005-08-26 Josh Conner <jconner@apple.com>
6239 PR middle-end/23584
6240 * ipa-pure-const.c (check_tree): Check for volatile-ness
6241 when considering a dereference.
6243 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6245 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6247 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6249 PR rtl-optimization/23561
6250 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6251 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6252 at most LEN bytes long memory fits into the field.
6253 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6254 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6255 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6257 2005-08-26 Richard Henderson <rth@redhat.com>
6259 PR rtl-opt/23560
6260 * loop.c (biased_biv_may_wrap_p): New.
6261 (maybe_eliminate_biv_1): Use it to suppress non-equality
6262 comparison transformations. Delete disabled code.
6264 2005-08-26 Ian Lance Taylor <ian@airs.com>
6266 * combine.c (make_extraction): Avoid reference outside object.
6268 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6270 * stor-layout.c (finalize_type_size): Restore behaviour for
6271 non-aggregate types to the status quo ante of the patch for
6272 pr 23467. Document why it matters.
6274 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6276 PR c/23506
6277 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6278 array by one element, initialize the BT_LAST element with NULL.
6280 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6282 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6283 optimizing for size.
6284 (plus_eqsi): Same.
6285 (compare_plus_eqsi): Same.
6286 (plus_eqsi_compare): Same.
6287 (neg_eq0<mode>): Same.
6288 (neg_eq<mode>): Same.
6290 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6291 PROCESSOR_POWER4.
6293 2005-08-26 Nick Clifton <nickc@redhat.com>
6295 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6296 TARGET_EP is not defined.
6297 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6298 TARGET_EP is enabled.
6299 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6300 * config/v850/v850.md (save_all_interrupt): Only use the EP
6301 register if TARGET_EP is defined.
6302 (restore_all_interrupt): Likewise.
6303 * config/v850/lib1funcs.asm: Update functions so that the EP
6304 register is only used if __EP__ is defined.
6306 2005-08-26 David Ung <davidu@mips.com>
6308 * config/mips/mips.c (mips_expand_prologue): Handle case when
6309 generating for MIPS16 and the outgoing argument area is more than
6310 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6311 add instruction.
6313 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6315 * config/crx/crx.md: Make doloop_end pattern usage controllable
6316 via mloop-nesting=<max-nesting> command line switch. Make sure
6317 the combiner cannot use doloop_end_<mode> in an illegal way.
6318 * config/crx/crx.c: Use regs up to r6 for argument passing.
6319 Refine crx_address_cost (non cst4 displacements are expensive).
6320 * config/crx/crx.opt: Add switch for mloop-nesting=.
6322 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6324 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6325 (UNSPEC_MVST): New constant.
6327 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6329 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6330 Reject operands containing eliminable registers.
6331 * testsuite/gcc.dg/20050825-1.c: New testcase.
6333 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6334 Jan Hubicka <jh@suse.cz>
6336 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6338 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6340 PR tree-optimization/23546
6341 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6342 and REAL_CST nodes.
6344 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6346 * params.def (PARAM_MIN_SPEC_PROB): New.
6347 * sched-rgn.c (MIN_PROBABILITY): Delete.
6348 (compute_trg_info): Convert to PARAM_VALUE.
6349 * doc/invoke.texi (param): Document min-spec-prob.
6351 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6353 * config/darwin.h: define __PIC__
6354 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6355 TARGET_OS_CPP_BUILTINS macro.
6357 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6359 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6360 yesterday.
6362 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6364 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6365 to duplicate_block.
6366 * cfghooks.c (duplicate_block): Added position where to place
6367 new block as argument.
6368 * cfghooks.h (duplicate_block): Declaration changed.
6369 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6370 duplicate_block.
6371 * cfglayout.h (copy_bbs): Declaration changed.
6372 * cfgloop.h (loop_version): Declaration changed.
6373 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6374 position to copy_bbs.
6375 (loop_version): Pass position to duplicate_loop_to_header_edge.
6376 Add place_after argument and position new blocks according to
6377 it.
6378 * modulo-sched.c (sms_schedule): Pass place_after argument
6379 to loop_version.
6380 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6381 * tree-cfg.c (split_edge_bb_loc): New function.
6382 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6383 to determine position of new blocks.
6384 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6385 to loop_version.
6386 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6387 argument to duplicate_block.
6388 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6389 Pass position to copy_bbs.
6391 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6393 * fold-const.c (ptr_difference_const): Use
6394 cst_and_fits_in_hwi instead of host_integerp.
6396 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6398 * config/darwin.c (gen_pic_offset): New.
6399 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6400 Use it.
6402 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6404 PR tree-optimization/23486
6405 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6407 2005-08-23 Phil Edwards <phil@codesourcery.com>
6409 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6410 remove use_collect2.
6411 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6413 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6414 configuration files to override the default value.
6416 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6417 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6418 * config/vx-common.h: New file, split out from...
6419 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6420 * config/vxworksae.h: New file, for VxWorks AE.
6421 * config/vxworks.opt: New file.
6422 * config/vxlib.c: Update for VxWorks 6.
6424 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6425 other MULTILIB_* variables appropriately.
6426 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6427 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6428 * config/rs6000/vxworks.h: Update for VxWorks 6.
6429 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6431 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6433 PR target/20799
6434 * config/darwin.c (machopic_select_section): Remove the hack to
6435 mark "::operator new" and "::operator delete" for coalescing
6436 even though they are not weak.
6438 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6440 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6441 * configure: Regenerate.
6443 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6445 PR middle-end/23517
6446 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6447 between vectors.
6448 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6449 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6450 Likewise.
6452 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6454 * config/rs6000/predicates.md (equality_operator): New.
6455 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6456 comparison with a large constant.
6458 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6460 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6462 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6464 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6465 registers is even, and we have a hardware double precision fp,
6466 align the buffer.
6467 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6468 size of current argument when checking if argument was passed in
6469 registers.
6471 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6473 PR middle-end/23467
6474 * stor-layout.c (finalize_type_size): Dont override
6475 existing alignment with a smaller alignment from the mode.
6477 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6479 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6480 * lambda.h (lambda_vector_lexico_pos): ... here.
6481 * tree-data-ref.c (build_classic_dist_vector): Return false when
6482 the distance vector is lexicographically negative.
6484 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6486 PR tree-optimization/23511
6487 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6488 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6490 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6492 PR tree-optimization/22043
6493 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6494 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6495 If ALLOW_FLEXARR, handle types ending with flexible array member.
6496 Pass false as second argument to recursive count_type_elements calls.
6497 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6498 argument to count_type_elements call.
6499 * tree-sra.c (decide_block_copy): Likewise.
6500 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6501 for a constant-sized object, set cleared as well. Pass true as
6502 second argument to count_type_elements call.
6504 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6506 PR target/21571
6507 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6508 from legitimate_small_data_p, and make global. Update use.
6509 Remove forward declaration.
6510 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6511 Declare.
6512 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6514 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6516 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6517 of scratch intermediates.
6518 (eq<mode>_compare): Same.
6519 (neg_eq0<mode>): New.
6520 (neg_eq<mode>): Convert to define_insn_and_split.
6522 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6524 PR target/23070
6525 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6526 stdarg functions, set/clear the fp marker even when no variable
6527 args are passed.
6528 * config/rs6000/sysv4.opt (mprototype): Describe.
6530 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6532 PR rtl-optimization/23478
6533 * regs.h (reg_info): Add throw_calls_crossed.
6534 (REG_N_THROWING_CALLS_CROSSED): Define.
6535 * flow.c (allocate_reg_life_data): Initialize
6536 REG_N_THROWING_CALLS_CROSSED.
6537 (propagate_one_insn, attempt_auto_inc): Update
6538 REG_N_THROWING_CALLS_CROSSED.
6539 * global.c (global_alloc): Don't allocate pseudos across
6540 calls that may throw.
6542 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6544 PR c/18715
6545 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6546 value is inbetween the range if we did not find an exact match.
6548 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6550 * doc/invoke.texi (Option Summary): Add ms1 options.
6551 * doc/extend.texi: Document interrupt handler attribute for ms1.
6552 * doc/md.texi: Document ms1 constraints.
6553 * config.gcc: Add ms1-*-elf.
6554 * config/ms1/ms1.h: New.
6555 * config/ms1/ms1.c: New.
6556 * config/ms1/ms1.md: New.
6557 * config/ms1/ms1-protos.h: New.
6558 * config/ms1/ABI.txt: New.
6559 * config/ms1/crti.asm: New.
6560 * config/ms1/crtn.asm: New.
6561 * config/ms1/lib2extra-funcs.c: New.
6562 * config/ms1/t-ms1: New.
6563 * config/ms1/ms1.opt: New.
6565 2005-08-22 Ira Rosen <irar@il.ibm.com>
6567 * config/rs6000/altivec.md (xorv4sf3): New.
6568 (negv4sf2, neg<mode>2): Likewise.
6570 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6572 PR target/23485
6573 * config/ia64/ia64.md (divsi3): Check divide by zero.
6574 (udivsi3): Likewise.
6575 (divdi3): Likewise.
6576 (udivdi3): Likewise.
6578 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6580 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6581 up to elem_bitsize bits, not max_bitsize.
6583 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6585 PR tree-optimization/23433
6586 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6587 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6589 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6591 PR tree-optimization/23434
6592 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6593 the iteration bound is not an INTEGER_CST.
6595 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6597 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6598 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6599 NULL if need_epilog_adjust is false.
6600 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6601 Case 3 always peels first itration, not just for PLUS case, and no need
6602 to use scalar_initial_def here. Create an epilog adjustment only if
6603 scalar_initial_def is not NULL.
6605 (vectorizable_reduction): Remove assert.
6607 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
6609 PR target/23485
6610 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6611 (__moddi3): Likewise.
6612 (__udivdi3): Likewise.
6613 (__umoddi3): Likewise.
6614 (__divsi3): Likewise.
6615 (__modsi3): Likewise.
6616 (__udivsi3): Likewise.
6617 (__umodsi3): Likewise.
6619 2005-08-20 Jakub Jelinek <jakub@redhat.com>
6621 * tree-pass.h (TDF_GRAPH): Define.
6622 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6623 * passes.c (finish_optimization_passes): Only call
6624 finish_graph_dump_file if TDF_GRAPH is set.
6625 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6626 NULL. Set TDF_GRAPH bit.
6627 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6629 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
6631 * arm.h (arm_stack_offsets): Add locals_base field.
6632 * arm.c (arm_get_frame_offsets): Compute it.
6633 (thumb_compute_initial_elimination offset): Make the Thumb frame
6634 pointer point to the base of the local variables.
6635 (thumb_expand_prologue): Update accordingly.
6636 (thumb_expand_epilogue): Likewise.
6638 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
6639 mode of clobbered scratch to DImode. Handle a case that's known to
6640 need this.
6642 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6644 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6645 (gt0<mode>_compare): Delete.
6646 (neg_gt0<mode>): Delete.
6648 2005-08-19 Eric Christopher <echristo@apple.com>
6650 * optabs.h: Change CTI_ to COI_.
6651 * optabs.c: Ditto.
6653 2005-08-19 James E Wilson <wilson@specifix.com>
6655 * builtins.c (expand_builtin_return_addr): Set
6656 current_function_accesses_prior_frames when count != 0. Use
6657 frame_pointer_rtx when count == 0.
6658 * function.h (struct function): Add accesses_prior_frames field.
6659 (current_function_accesses_prior_frames): Define.
6660 * reload1.c (init_elim_table): Check
6661 current_function_accesses_prior_frames.
6662 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6664 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6666 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6667 indicator. Return true if the flowgraph changed during
6668 cleanup.
6670 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6672 PR 23476
6673 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6674 conditional expression before testing its value.
6676 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6678 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6680 2005-08-19 Devang Patel <dpatel@apple.com>
6682 PR tree-optimization/23048
6683 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6684 third parameter. Check whether latch is dominated by exit
6685 block or not.
6686 (if_convertible_loop_p): Supply exit block itself to
6687 if_convertible_bb_p.
6689 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6691 PR target/23473
6692 * arm.md (arm_load_pic_register): Change argument to the mask of
6693 saved registers. Call thumb_find_work_register if we need a
6694 scratch register on Thumb.
6695 (arm_expand_prologue): Pass empty register set to
6696 arm_load_pic_register.
6697 (thumb_expand_prologue): Pass live_regs_mask directly to
6698 arm_load_pic_register.
6699 * arm-protos.h (arm_load_pic_register): Update prototype.
6701 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
6703 * sh.c (find_sole_member): New function.
6704 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6705 if the record's alignment is larger than the size of its only member.
6707 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6709 PR target/23436
6710 * arm.c (thumb_legitimize_reload_address): New function.
6711 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6712 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6714 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
6716 * config/crx/crx.c: Implement crx_decompose_address. Reject
6717 symbolic displacements since CRX register relative adressing
6718 mode can't handle unsigned 32-bit values as displacements.
6719 * config/crx/crx.h: Simplify definitions, remove redundant
6720 parenthesis and obsolete macros.
6721 * config/crx/crx.opt: Add new switch for debugging addresses.
6722 * config/crx/crx-protos.h: Add new declarations for above.
6724 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
6726 PR middle-end/20624
6727 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6728 looking past it.
6730 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6732 * collect2.c (dup2): Delete.
6733 * configure.ac: Don't check for dup2.
6735 * config.in, configure: Regenerate.
6737 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
6739 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6740 record with the type of its only member.
6742 2005-08-18 David Edelsohn <edelsohn@gnu.org>
6744 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6745 define_insn_and_split.
6746 (plus_ltu<mode>_compare): Same.
6747 (gtu<mode>_compare): Same.
6748 (plus_gtu<mode>_compare): Same.
6750 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
6752 PR tree-optimization/22228
6753 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6754 todo_flags_start.
6755 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6756 are recorded in vect_vnames_to_rename for renaming.
6757 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6758 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6759 in vect_vnames_to_rename.
6760 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6761 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6763 2005-08-18 Jan Hubicka <jh@suse.cz>
6765 PR c++/22034
6766 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6767 info only for local statics, not for member variables.
6769 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6771 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6773 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6775 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6777 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
6779 PR middle-end/16045
6780 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6782 2005-08-17 James E Wilson <wilson@specifix.com>
6784 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6785 array size check.
6787 2005-08-17 David Edelsohn <edelsohn@gnu.org>
6789 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6790 (leu<mode>_compare): Same.
6791 (plus_leu<mode>): Same.
6792 (neg_leu<mode>): Same.
6793 (and_neg_leu<mode): Same.
6794 (ltu<mode>_compare): Same.
6795 (plus_ltu<mode>): Same.
6796 (geu<mode>): Same.
6797 (geu<mode>_compare): Same.
6798 (plus_geu<mode>): Same.
6799 (neg_geu<mode>): Same.
6800 (and_neg_geu<mode>): Same.
6801 (plus_gt<mode>): Same.
6802 (gtu<mode>_compare): Same.
6803 (plus_gtu<mode>): Same.
6805 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
6807 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6808 Move call_table_data to end. Delete spurious .text.
6809 (callt_save_all_interrupt): Fix comment typo.
6811 2005-08-17 James E Wilson <wilson@specifix.com>
6812 Kevin Winchester <winchester@amirix.com>
6814 PR target/21684
6815 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6817 2005-08-17 Uros Bizjak <uros@kss-loka.si>
6819 PR target/23268
6820 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6821 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6823 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
6825 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6826 record with the type of its only member if the modes don't match.
6828 * varasm.c (decode_reg_name): Skip empty additional register names.
6830 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6832 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6833 lsm_tmp_name_length): New.
6834 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6835 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6837 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6838 Andreas Krebbel <krebbel1@de.ibm.com>
6840 * config.gcc: Added z9-109 switch.
6841 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6842 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6843 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6844 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6845 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6846 for "z9_109" cpu attribute.
6847 * config/s390/s390.c (z9_109_cost): New processor cost structure.
6848 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6849 (s390_handle_arch_option): Added z9-109 switch.
6850 (override_options): Set respective cost function for z9-109.
6851 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6852 (legitimate_reload_constant_p): Accept extended immediates.
6853 (print_operand): Three new output modifiers added: k, m and o.
6854 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6855 (s390_output_mi_thunk): Use extended immediate when possible.
6856 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6857 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6858 (CONSTRAINT_LEN): Added length of O constraint.
6859 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6860 * config/s390/s390.md ("cpu"): New value z9_109 added.
6861 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6862 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6863 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6864 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6865 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6866 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6867 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6868 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6869 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6870 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6871 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6872 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6873 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6874 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6875 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6876 immediates.
6877 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6878 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6879 insns for TARGET_EXTIMM.
6881 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
6883 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6885 2005-08-17 Nick Clifton <nickc@redhat.com>
6887 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6888 Call default_encode_section_info.
6890 2005-08-17 Steven Bosscher <stevenb@suse.de>
6892 PR tree-optimization/21574
6893 * tree-ssa-ccp.c (likely_value): If the right hand side is a
6894 constant, return CONSTANT.
6895 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6896 (ccp_fold, visit_assignment): Likewise.
6897 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6899 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6901 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6902 fold_buildN instead of buildN then fold_initializer or fold.
6903 (build_unary_op): Likewise.
6904 (build_binary_op): Likewise.
6905 * fold-const.c (fold_initializer): Remove.
6906 (fold_build1_initializer): New function.
6907 (fold_build2_initializer): New function.
6908 (fold_build3_initializer): New function.
6909 * tree.h (fold_initializer): Remove.
6910 (fold_build1_initializer): New function.
6911 (fold_build2_initializer): New function.
6912 (fold_build3_initializer): New function.
6914 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6916 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6917 (try_move_mult_to_index): Call fold_build2 instead of build2.
6918 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6919 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6920 fold_binary_to_constant.
6921 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6922 fold (build.
6923 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6924 check if A == gcd (A, B). Remove TYPE argument.
6925 (analyze_offset) Use fold_build2 instead of fold (build.
6926 (create_data_ref): Likewise.
6927 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6928 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6929 then fold.
6931 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
6933 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6934 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6936 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
6938 PR tree-opt/23402
6939 * gimplify.c (zero_sized_type): New function.
6940 (gimplify_modify_expr_rhs): If we have a zero sized type,
6941 replace the statement with an empty statement.
6943 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
6945 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6946 fxsave.
6948 2005-08-16 Ian Lance Taylor <ian@airs.com>
6950 * doc/tm.texi (Label Output): Correct typo.
6952 2005-08-16 Steven Bosscher <stevenb@suse.de>
6954 PR target/23376
6955 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6956 force_operand will work later on using have_insn_for.
6958 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6960 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6962 2005-08-16 Ian Lance Taylor <ian@airs.com>
6964 PR c++/23337
6965 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6966 vector type, don't try to construct it element by element. Add an
6967 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6969 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6971 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6973 2005-08-16 Geoffrey Keating <geoffk@apple.com>
6975 * doc/invoke.texi (Precompiled Headers): Document some more options
6976 which are known to be safe.
6978 2005-08-16 James E Wilson <wilson@specifix.com>
6980 PR tree-optimization/21105
6981 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6982 TREE_OVERFLOW check.
6984 2005-08-16 David Edelsohn <edelsohn@gnu.org>
6986 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6987 (neg_ltu<mode>): Same.
6988 (gtu<mode>): Same.
6989 (neg_gtu<mode>): Same.
6991 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6993 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6994 (fold_builtin_isdigit): Use fold_buildN.
6995 (build_function_call_expr): Likewise.
6996 * c-typeck.c (c_finish_loop): Likewise.
6998 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
6999 Richard Shann <rshann@superh.com>
7001 PR middle-end/20396:
7002 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7004 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
7006 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7008 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
7010 PR target/23355
7011 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7012 arm_compure_save_reg0_reg12_mask to determine when the PIC register
7013 must be saved.
7015 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7017 PR middle-end/23369
7018 * fold-const.c (build_range_check): Disable optimization for function
7019 pointer expressions on targets that require function pointer
7020 canonicalization.
7022 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
7024 * simplify-rtx.c (simplify_const_relational_operation): When
7025 extracting arguments of a COMPARE, recompute the mode as well.
7027 2005-08-15 Ian Lance Taylor <ian@airs.com>
7029 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7031 2005-08-15 DJ Delorie <dj@redhat.com>
7033 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7034 the stack.
7035 (movsi_splittable): Allow, but split, moves to the stack.
7036 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7037 stack.
7039 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7041 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7042 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7043 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7045 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7046 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7047 Delete HOST_PTR_PRINTF.
7049 * configure, config.in: Regenerate.
7051 2005-08-15 David Edelsohn <edelsohn@gnu.org>
7053 * config/rs6000/rs6000.md (QHSI): New mode macro.
7054 (wd): Extend mode attr for QImode and HImode
7055 (dbits): New mode attr.
7056 (zero_extend<mode>di2): Convert to mode macro.
7058 2005-08-15 Steve Ellcey <sje@cup.hp.com>
7060 PR target/21841
7061 * doc/invoke.texi (-mgnu-ld): Update description.
7062 (-mhp-ld): Ditto.
7064 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7066 PR 23391
7067 * Makefile.in (tree-chrec.o): Depends on real.h.
7068 * tree-chrec.c: Include real.h.
7069 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7070 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7071 * tree-scalar-evolution.c (add_to_evolution_1,
7072 interpret_rhs_modify_expr): Ditto.
7074 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7076 PR 23386
7077 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7078 step is negative compute the estimation from init downwards to zero.
7080 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7082 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7084 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7086 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7087 constraint.
7088 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7089 Accept double-word constants that can be split.
7090 * config/s390/s390.md ("movti"): Use 'P' constraint.
7091 ("*movdi_31", "*movdf_31"): Likewise.
7093 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7095 Fix PR tree-optimization/22615
7097 * tree-ssa-structalias.c (solution_set_add): Handle
7098 first_vi_for_offset returning NULL.
7099 (do_da_constraint): Ditto.
7100 (do_sd_constraint): Ditto.
7101 (do_ds_constraint): Ditto
7102 (find_func_aliases): Ditto.
7103 (build_constraint_graph): RHS is allowed be ANYTHING.
7104 (first_vi_for_offset): Return NULL if we couldn't find anything at
7105 the offset.
7107 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7109 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7110 over memory as first operand.
7112 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7114 PR target/23360
7115 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7116 available for setting it.
7118 2005-08-14 Ira Rosen <irar@il.ibm.com>
7120 PR tree-optimization/23320
7121 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7122 data-refs' types instead of base object nullness. Add check for
7123 pointer type data-refs before first location comparison. Remove
7124 assert.
7126 2005-08-14 Andreas Schwab <schwab@suse.de>
7128 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7130 2005-08-13 James E Wilson <wilson@specifix.com>
7132 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7133 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7134 -fstack-protector-all, --param ssp-buffer-size): Document.
7135 (-Wvariadic-macros): Alphabetize.
7136 (-fsched-stalled-insns-dep): Add missing 'f'.
7138 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7139 macros.
7141 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7143 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7144 or indirect address operand.
7145 (EXTRA_ADDRESS_CONSTRAINT): New.
7146 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7148 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7150 PR tree-optimization/22236
7151 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7152 successors and predecessors.
7153 * tree-chrec.c (chrec_convert): Before converting, check that
7154 sequences don't wrap.
7155 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7156 (analyze_array): Extern.
7157 (find_data_references_in_loop): Remove call to
7158 compute_estimated_nb_iterations.
7159 * tree-data-ref.h (analyze_array): Declared.
7160 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7161 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7162 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7163 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7164 condition.
7165 * tree-ssa-loop-ivcanon.c: Fix documentation.
7166 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7167 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7168 (infer_loop_bounds_from_undefined): New.
7169 (estimate_numbers_of_iterations_loop): Use
7170 infer_loop_bounds_from_undefined.
7171 (used_in_pointer_arithmetic_p): New.
7172 (scev_probably_wraps_p): Pass an extra parameter. Call
7173 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7174 (convert_step): Fix documentation.
7175 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7176 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7177 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7178 scev_probably_wraps_p.
7180 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7182 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7183 (s390_register_info): Ignore clobbered_regs information for fixed
7184 registers, and only fixed registers.
7185 (s390_init_frame_layout): Remove redundant call.
7187 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7189 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7190 description of -Wold-style-casts.
7192 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7193 Jakub Jelinek <jakub@redhat.com>
7195 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7196 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7197 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7198 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7199 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7200 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7201 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7202 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7203 ("stack_protect_set", "stack_protect_test"): New expanders.
7204 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7205 "stack_protect_testdi"): New insn definitions.
7207 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7209 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7211 2005-08-12 Paul Brook <paul@codesourcery.com>
7213 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7215 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7217 * config/s390/predicates.md (setmem_operand): New predicate.
7218 (shift_count_operand): Accept ANDs with special constants as
7219 operand.
7220 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7221 with special constants.
7222 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7223 shift_count_operand with setmem_operand.
7225 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7227 * config/s390/s390.c (s390_extract_part, s390_single_part):
7228 Type cast added.
7229 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7230 (s390_output_mi_thunk): Don't use lg on 31 bit.
7231 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7232 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7234 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7236 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7237 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7238 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7239 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7240 with one of the new macros.
7242 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7244 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7245 Don't set save_return_addr_p.
7246 (s390_register_info): Make clobbered_regs not depending on
7247 save_return_addr_p.
7249 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7251 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7252 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7254 2005-08-11 James E. Wilson <wilson@specifix.com>
7256 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7258 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7260 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7261 locations gathered by var-tracking in single entry loc_list
7262 over loc_descriptor_from_tree.
7264 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7265 pass it down to loc_descriptor.
7266 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7267 (containing_function_has_frame_base): Move earlier in the file.
7268 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7269 instead of always assuming fbreg can't be used.
7271 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7273 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7274 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7275 Accept address wrapped in AND for Altivec.
7276 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7277 Strip AND wrapping offset address for Altivec.
7279 2005-08-11 Richard Henderson <rth@redhat.com>
7281 PR middle-end/23312
7282 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7283 before using TYPE_IS_SIZETYPE.
7285 2005-08-11 Richard Henderson <rth@redhat.com>
7287 PR target/22225
7288 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7289 insn types not present on ev4.
7290 (alphaev5_insn_pipe): Similarly.
7292 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7294 PR target/23250
7295 * arm.c (arm_override_options): If the user has selected callee-super-
7296 interworking, then enable normal interworking.
7298 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7300 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7301 redefinition.
7303 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7305 * doc/rtl.texi: Fix two typos.
7307 2005-08-11 Richard Guenther <rguenther@suse.de>
7309 PR target/23289
7310 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7311 cases where we call to/from functions returning void.
7313 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7315 PR c++/23225
7316 * tree.c (build_pointer_type_for_mode): Robustify.
7318 2005-08-10 James E Wilson <wilson@specifix.com>
7320 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7321 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7323 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7324 "cum->".
7326 2005-08-10 Eric Christopher <echristo@apple.com>
7328 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7329 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7330 V2DFmode.
7332 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7334 PR target/21887
7335 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7336 for the high part when generating dynamic-no-pic code.
7338 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7340 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7341 (x86_64-*-linux*): Likewise.
7343 * config/i386/crtfastmath.c: New file.
7344 * config/i386/t-crtfm: Likewise.
7346 * config/i386/linux.h (ENDFILE_SPEC): New.
7347 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7349 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7350 crtfastmath.o.
7352 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7354 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7355 (vec_shl, vec_shr): Document new operations.
7356 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7358 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7360 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7361 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7362 change predicate to indexed_or_indirect_address.
7364 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7366 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7367 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7368 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7369 and __aeabi_uwrite8.
7370 * config/arm/unaligned-funcs.c: New file.
7371 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7373 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7375 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7376 Add dump.
7377 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7378 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7379 Add dump.
7380 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7381 * final.c (pass_shorten_branches): Add dump.
7382 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7383 (pass_life): Rename dump.
7384 (rest_of_handle_flow2): Remove initial verify_flow_info.
7385 * function.c (pass_instantiate_virtual_regs): Add dump.
7386 * integrate.c (pass_initial_value_sets): Add dump.
7387 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7388 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7389 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7390 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7391 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7392 gate_rtl_unrool_and_peel_loops): New.
7393 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7394 rtl_doloop): Do not look at flags.
7395 * mode-switching.c (pass_mode_switching): Add dump.
7396 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7397 pass_split_before_regstack): Add dump.
7398 * regmove.c (pass_stack_adjustments): Add dump.
7399 * tree-optimize.c (pass_fixup_cfg): Add dump.
7401 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7403 PR 23309
7404 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7405 deciding which instruction sequence to use.
7407 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7410 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7412 2005-08-09 Richard Guenther <rguenther@suse.de>
7414 * c-common.c (builtin_function_2): Remove.
7415 (def_builtin_1): New function.
7416 (c_common_nodes_and_builtins): Use def_builtin_1 to
7417 build builtin functions.
7419 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7421 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7422 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7423 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7424 Visual DSP.
7426 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7428 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7429 fold_binary instead of fold_build2 since we don't care about the
7430 resulting tree.
7431 (loop_niter_by_eval): Likewise.
7432 (compare_trees): Likewise.
7433 (proved_non_wrapping_p): Likewise.
7435 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7437 PR c/23161
7438 PR c/23165
7439 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7440 if the if is really empty.
7442 2005-08-09 Steven Bosscher <stevenb@suse.de>
7444 PR tree-optimization/23234
7445 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7446 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7447 argument of the new enum.
7448 (execute_cse_reciprocals): Add reciprocals for function arguments
7449 on the unique successor edge of the entry block. Update other calls
7450 to execute_cse_reciprocals_1.
7452 2005-08-08 Richard Henderson <rth@redhat.com>
7454 PR 22439
7455 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7457 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7459 * expr.c (write_complex_part): Return after handling MEM.
7461 2005-08-08 Josh Conner <jconner@apple.com>
7463 PR rtl-optimization/23241
7464 * combine.c (simplify_comparison): Fix error in determining
7465 whether to lift a subreg from comparison.
7467 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7469 PR target/18506
7470 * config/rs6000/altivec.md (vec_init<mode>): New.
7471 (vec_set<mode>): New.
7472 (vec_extract<mode>): New.
7473 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7474 (rs6000_expand_vector_set): New.
7475 (rs6000_expand_vector_extract): New.
7476 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7477 for Altivec modes before reload.
7478 (altivec_expand_vec_init_builtin): New.
7479 (get_element_number): New.
7480 (altivec_expand_vec_set_builtin): New.
7481 (altivec_expand_vec_ext_builtin): New.
7482 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7483 builtins.
7484 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7485 builtins.
7486 * config/rs6000/rs6000.h (rs6000_builtins): Add
7487 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7488 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7489 * config/rs6000/rs6000-protos.h: Declare new functions.
7491 2005-08-08 Jan Hubicka <jh@suse.cz>
7493 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7494 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7495 * i386.md (movdi*): Use pic_32bit_operand.
7496 * predicates.md (pic_32bit_operand): New.
7498 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7500 PR c++/21166
7501 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7503 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7505 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7506 (test_for_singularity): Use fold_build2.
7508 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7510 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7512 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7514 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7515 (COMMON_ASM_OP) Define.
7516 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7517 (ix86_encode_section_info): Likewise.
7518 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7519 SUBTARGET_ENCODE_SECTION_INFO.
7521 2005-08-06 Richard Henderson <rth@redhat.com>
7523 PR 21894
7524 * tree-nested.c (convert_local_reference): Save and restore val_only
7525 around component_ref and friends. Clear walk_subtrees by default.
7527 2005-08-06 Peter O'Gorman <peter@pogma.com>
7529 PR 21366
7530 * gcc.c (process_command): Check the argument to -b has a dash.
7531 * doc/invoke.texi: Update -b and -V docs.
7533 2005-08-06 James E Wilson <wilson@specifix.com>
7535 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7537 2005-08-06 Michael Matz <matz@suse.de>
7539 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7540 member only if only one insn is associated with the value.
7542 2005-08-06 Nick Clifton <nickc@redhat.com>
7544 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7545 New define.
7546 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7547 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7548 Check symbol flags instead of symbol name mangling.
7549 (xstormy16_asm_output_aligned_common): Likewise. Also
7550 simplify code since the bss100_section cass is the only case
7551 where the below100 code will be triggered.
7552 (xstormy16_encode_section_info): Encode below100 attribute
7553 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7554 the name.
7555 (xstormy16_strip_name_encoding): Delete - this function is no
7556 longer needed.
7557 (TARGET_STRIP_NAME_ENCODING): Undefine.
7558 * config/stormy16/stormy16-protos.h: Delete prototype for
7559 xstormy16_strip_name_encoding.
7561 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7563 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7564 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7565 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7566 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7567 config/alpha/predicates.md, config/arc/arc.h,
7568 config/arm/arm.h, config/arm/ieee754-df.S,
7569 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7570 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7571 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7572 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7573 config/m68hc11/m68hc11.h, config/mips/mips.c,
7574 config/mips/mips.h, config/mips/openbsd.h,
7575 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7576 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7577 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7578 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7579 config/sparc/linux.h, config/sparc/linux64.h,
7580 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7581 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7582 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7583 typos. Follow spelling conventions.
7585 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7587 PR c/23113
7588 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7589 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7590 specially. Check for side effects only for COND_EXPR.
7591 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7592 return with TREE_NO_WARNING.
7594 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7596 PR rtl-optimization/23233
7597 * loop.c (combine_movables): Require the modes to be the same.
7598 (move_movables): Remove handling of cases where the replacement
7599 had a different mode to the original.
7601 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7603 PR tree-optimization/23128
7604 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7605 subtraction wrap, and set TREE_OVERFLOW if they do.
7607 2005-08-05 Richard Henderson <rth@redhat.com>
7609 PR 21728
7610 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7611 FORCED_LABEL labels.
7613 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7615 PR middle-end/23135
7616 * reload.c (find_reloads_subreg_address): Pass down TYPE
7617 unchanged. Change all callers except find_reloads_toplev.
7619 2005-08-05 Michael Matz <matz@suse.de>
7621 * genattrtab.c (current_alternative_string): Remove.
7622 (SIMPLIFY_ALTERNATIVE): Ditto.
7623 (attr_alt_bit_p): Ditto.
7624 (alternative_name): Make const char *.
7625 (evaluate_eq_attr): Remove use of above things.
7626 (simplify_test_exp): Ditto.
7627 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7628 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7630 2005-08-04 James E Wilson <wilson@specifix.com>
7632 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7633 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7634 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7635 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7636 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7638 2005-08-04 Richard Henderson <rth@redhat.com>
7640 PR 21529
7641 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7642 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7643 * tree-sra.c (decide_block_copy): Use it. Disable element copy
7644 if we'd have to instantiate too many members.
7646 2005-08-04 Richard Henderson <rth@redhat.com>
7648 PR 21291
7649 * tree-outof-ssa.c (coalesce_asm_operands): New.
7650 (coalesce_ssa_name): Use it. Split out ...
7651 (coalesce_phi_operands, coalesce_result_decls): ... these.
7653 2005-08-04 Paul Brook <paul@codesourcery.com>
7655 * read-rtl.c (read_quoted_string): Break if EOF.
7657 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
7659 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7660 (fold_build2): Likewise.
7661 (fold_build3): Likewise.
7662 (fold_build1_stat): New function prototype.
7663 (fold_build2_stat): Likewise.
7664 (fold_build3_stat): Likewise.
7665 * fold-const.c (fold_build1): Rename to ..
7666 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7667 through to build1_stat.
7668 (fold_build2): Rename to ..
7669 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7670 through to build2_stat.
7671 (fold_build3): Rename to ..
7672 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7673 through to build3_stat.
7675 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7676 Ian Lance Taylor <ian@airs.com>
7678 * function.c (assign_stack_local_1): Do not correct stack slot
7679 address if allocation size is smaller than mode size.
7681 2005-08-04 Diego Novillo <dnovillo@redhat.com>
7683 PR 22037
7684 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7685 (tree_merge_blocks): Propagate anything allowed by
7686 may_propagate_copy.
7687 Clarify documentation.
7688 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7689 SSA form, schedule an update if necessary.
7691 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7693 * doc/install.texi (Binaries): Remove broken link to
7694 Sinix/Reliant Unix binaries.
7696 2005-08-03 Richard Henderson <rth@redhat.com>
7698 PR 23221
7699 * function.c (stack_protect_epilogue): Export.
7700 * tree.h (stack_protect_epilogue): Declare.
7701 * calls.c (expand_call): Call it.
7703 2005-08-03 Eric Christopher <echristo@apple.com>
7705 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7706 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7707 spec.
7709 2005-08-04 Jan Hubicka <jh@suse.cz>
7711 * profile.c (branch_prob): Split edges with goto locus on them
7712 to get proper line counts.
7713 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7715 2005-08-03 Paul Brook <paul@codesourcery.com>
7717 * function.c (assign_parms): Round current_function_args_size
7718 to PARM_BOUNDARY, not STACK_BOUNDARY.
7720 2005-08-03 Geoffrey Keating <geoffk@apple.com>
7722 * config/i386/i386.c (x86_elf_aligned_common)
7723 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7725 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
7727 PR tree-optimization/23157
7728 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7729 before emitting them.
7731 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7733 PR tree-optimization/19899
7734 * Makefile.in (tree-scalar-evolution.o): Add real.h.
7735 * tree-scalar-evolution.c: Include real.h.
7736 (add_to_evolution): Build constant -1 of correct type.
7738 2005-08-03 Jan Hubicka <jh@suse.cz>
7740 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7741 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7742 profile updating for complette unrolling.
7743 * loop-unroll.c (peel_loop_completely): Use it.
7744 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7745 (tree_unroll_loops_completely): Disable code growing unrolling of cold
7746 loops.
7748 2005-08-03 Paul Brook <paul@codesourcery.com>
7750 * combine.c (can_change_dest_mode): New function.
7751 (try_combine, simplify_set): Use it.
7753 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
7755 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7756 TFmode to BLKmode.
7758 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
7760 * doc/install.texi (Specific): Adjust link to openavr.org.
7761 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7762 (Binaries): Adjust HP-UX Porting Center link.
7763 (Binaries): Adjust Free Software Foundation ordering link.
7765 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
7767 * convert.c (convert_to_integer): Use fold_build1 instead of
7768 build1 when converting an integer to an integer.
7770 2005-08-02 Richard Henderson <rth@redhat.com>
7772 * combine.c (combine_instructions): Don't use reg_equal/equiv
7773 results if the mode doesn't match.
7775 2005-08-02 Mark Mitchell <mark@codesourcery.com>
7777 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7778 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7780 2005-08-02 Richard Henderson <rth@redhat.com>
7782 PR 23196
7783 * explow.c (memory_address): Remove special-case for
7784 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7786 2005-08-02 Diego Novillo <dnovillo@redhat.com>
7788 PR 23164
7789 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7790 number of calls to cleanup_tree_cfg_1.
7792 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
7794 * doc/invoke.texi: document file extensions .F90 and .F95
7796 2005-08-02 Richard Guenther <rguenther@suse.de>
7798 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7799 positive if its first argument is positive.
7801 2005-08-02 Richard Guenther <rguenther@suse.de>
7803 PR tree-optimization/23177
7804 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7805 on TMR_TAG.
7807 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
7809 PR tree-optimization/23129
7810 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7811 varying for divisions with anti-ranges.
7813 2005-08-02 Jan Hubicka <jh@suse.cz>
7815 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7816 * tree-ssa-threadupdate.c (thread_block): Add it here.
7818 2005-08-01 James E Wilson <wilson@specifix.com>
7820 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7821 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7822 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7823 New.
7824 * config/mips/predicates.md (const_call_insn_operand): Add check for
7825 SYMBOL_REF_LONG_CALL_P.
7826 * doc/extend.texi (long_call): Document the new attribute.
7828 2005-08-01 Ian Lance Taylor <ian@airs.com>
7829 Richard Henderson <rth@redhat.com>
7831 * Makefile.in (RTL_BASE_H): Add real.h.
7832 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7833 instead of memcpy.
7834 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7835 directly.
7836 * rtl.c (rtl_check_failed_code_mode): New.
7837 * rtl.h (struct rtx_def): Add u.rv.
7838 (XCMWINT, XCNMPRV): New.
7839 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7840 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7842 2005-08-01 Richard Henderson <rth@redhat.com>
7844 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7845 with auto-inc codes.
7847 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7849 2005-08-01 Jan Hubicka <jh@suse.cz>
7851 * i386-protos.h (asm_preferred_eh_data_format): Declare.
7852 * i386.c: Include dwarf2.h
7853 (asm_preferred_eh_data_format): New.
7854 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7856 2005-08-01 Ian Lance Taylor <ian@airs.com>
7858 * config/host-linux.c (linux_gt_pch_get_address): Add new name
7859 randomize_va_space for virtual address randomization control.
7861 2005-08-01 Steven Bosscher <stevenb@suse.de>
7863 * common.opt (flag_ipa_cp): Put in right place to maintain
7864 alphabetic sort.
7866 2005-08-01 Jan Hubicka <jh@suse.cz>
7868 * profile.c (compute_value_histograms): Fix thinko.
7869 * value-prof.c: Include toplev.h
7870 (check_counter): New function.
7871 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7872 tree_mod_subtract_transform): Add sanity check.
7874 2005-08-01 Richard Guenther <rguenther@suse.de>
7876 PR tree-optimization/23133
7877 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7878 current functions parameter decls to find defs to cse
7879 reciprocals of.
7881 2005-08-01 Richard Guenther <rguenther@suse.de>
7883 PR tree-optimization/23109
7884 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7885 If trapping math is in effect, use post-dominator information
7886 to check if we'd in any case reach a trapping point before
7887 doing the reciprocal insertion.
7888 (execute_cse_reciprocals): Compute post-dominators, if necessary.
7889 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7890 expressions are invariant only if trapping math is not in effect.
7892 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7894 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7895 cgraph_function_versioning): New declarations.
7896 * cgraphunit.c: Add include to ipa-prop.h.
7897 (update_call_expr, cgraph_copy_node_for_versioning,
7898 cgraph_function_versioning): New functions.
7899 * integrate.c (copy_decl_for_inlining): Remove.
7900 * ipa-prop.h (ipa_replace_map): New struct.
7901 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7902 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7903 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7904 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7905 ipcp_iterate_stage, ipcp_method_scale_print,
7906 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7907 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7908 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7909 ipcp_update_bb_counts, ipcp_update_profiling,
7910 ipcp_update_edges_counts): New functions.
7911 (ipcp_method_cval_init): Remove restriction regarding local methods.
7912 (ipcp_init_stage): Add ipcp_method_compute_scale.
7913 (ipcp_insert_stage): Add versioning.
7914 (ipcp_structures_print): Add ipcp_method_scale_print.
7915 (ipcp_driver): Dump profiling info.
7916 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7917 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7918 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7919 (struct inline_data): Add versioning_p, ipa_info, new fields.
7920 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7921 declare_return_variable): Replace calls to copy_decl_for_inlining with
7922 copy_decl_for_dup.
7923 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7924 versioning support.
7925 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7926 Add argument VERSIONING.
7927 (copy_arguments_for_versioning, copy_static_chain,
7928 function_versionable_p, tree_versionable_function_p,
7929 tree_function_versioning, replace_ref_tree): New functions.
7930 * tree-inline.h: Include varray.h.
7931 (tree_versionable_function_p, tree_function_versioning,
7932 tree copy_decl_for_dup): New declarations.
7934 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7936 * ipa-cp.c: New file. Contains IPCP specific functionality.
7937 * ipa-prop.h: New file. Contains structures/definitions that can be
7938 used by several interprocedural data flow optimizations (and also IPCP).
7939 * ipa-prop.c: New file.
7940 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7941 * common.opt: Add ipa-cp flag.
7942 * timevar.def: Add IPCP optimization.
7943 * tree-optimize.c (init_tree_optimization_passes): Schedule
7944 pass_ipa_cp.
7945 * tree-pass.h (pass_ipa_cp): Declare.
7947 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
7949 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7950 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7951 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7952 config/i386/i386.c, config/mips/mips.h,
7953 config/rs6000/rs6000.h, config/sh/sh.c,
7954 config/stormy16/stormy16.c: Fix comment typos.
7956 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
7958 PR c/22311
7959 * c-typeck.c (build_binary_op): Use common_type wrapper on
7960 shortened types.
7961 (common_type): Update comment.
7963 2005-07-31 Steven Bosscher <stevenb@suse.de>
7965 PR target/23095
7966 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7967 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7968 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7970 2005-07-31 Jan Hubicka <jh@suse.cz>
7972 * pretty-print.h (pp_widest_integer): New macro.
7973 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7974 counts.
7976 2005-07-31 Jan Hubicka <jh@suse.cz>
7978 * output.h (enum section_category): Export from varasm.c
7979 (categorize_decl_for_section): Likewise.
7980 * varasm.c (enum section_category): Kill.
7981 (categorize_decl_for_section): Make global.
7982 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7983 Declare.
7984 * i386.c (ix86_section_threshold): New static variable.
7985 (ix86_in_large_data_p, ix86_encode_section_info,
7986 x86_64_elf_unique_section,
7987 x86_64_elf_select_section): New functions.
7988 (TARGET_ENCODE_SECTION_INFO): Define
7989 (override_options): Enable medium model for PIC.
7990 (ix86_expand_prologue): Expand gen_set_got_rex64.
7991 (legitimate_constant_p): Handle new UNSPECs.
7992 (legitimate_pic_address_disp_p): Likewise.
7993 (legitimize_pic_address): Lower MEDIUM model addressing.
7994 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7995 (enum cmodel): Add MEDIUM_PIC.
7996 (SYMBOL_REF_FAR_ADDR_P): New macro.
7997 (SYMBOL_FLAG_FAR_ADDR): New flag.
7998 * i386.md (movdi): Support medium model.
7999 (set_got_rex64): New pattern.
8000 * i386.opt (mlarge-data-threshold): New flag.
8001 * predicates.md (zext_operand/sext_operand): Deal with medium model.
8002 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8003 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8004 TARGET_ASM_UNIQUE_SECTION): New.
8006 * invoke.texi (-mlarge_data_threshold): Document
8008 2005-07-31 Jan Hubicka <jh@suse.cz>
8010 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8011 (coalesce_vars): Likewise.
8012 * tree-ssa-live.c (coalesce_cost): New.
8013 (build_tree_conflict_graph): Use coalesce_cost.
8014 * tree-ssa-live.h (coalesce_cost): Declare.
8016 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
8018 * arm.md (all peepholes for post-increment operations): Delete.
8019 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8020 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8021 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8022 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8023 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8025 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
8027 * fold-const.c (tree_expr_nonnegative_p): Always return true for
8028 non-integral types.
8030 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
8032 PR target/22582
8033 * doc/invoke.texi: Document -rdynamic.
8035 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
8037 PR c/23143
8038 * c-parser.c (c_parser_parms_list_declarator): Call
8039 mark_forward_parm_decls.
8040 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8041 decls with visibility structure.
8043 2005-07-30 Paul Brook <paul@codesourcery.com>
8045 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8047 2005-07-30 Paul Brook <paul@codesourcery.com>
8049 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8050 prototype.
8051 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8052 value for mode.
8053 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8055 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8057 PR c/529
8058 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8059 nested function declarators.
8060 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8061 (grokparms): Call warn_if_shadowing for parameters used within the
8062 parameter list.
8063 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8064 not used within the parameter list.
8065 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8067 2005-07-30 Jan Hubicka <jh@suse.cz>
8069 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8070 * i386.c (ix86_fixup_binary_operands): Likewise.
8071 (ix86_expand_unary_operator): Likewise.
8072 (ix86_expand_fp_absneg_operator): Likewise.
8073 * optabs.c (expand_vec_cond_expr): Validate dest.
8075 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8077 PR c/21720
8078 * real.c (real_from_string): Also set last bit if there is a
8079 nonzero hex digit beyond GCC's internal precision after ".".
8081 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8083 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8084 define_constants. Change duplicate values to unassigned numbers.
8085 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8086 (*altivec_vspltsf): New.
8087 (altivec_vperm_v4sf): Delete.
8088 (altivec_vperm_<mode>): Use mode macro V.
8089 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8090 (altivec_predicate_v4sf): Delete.
8091 (altivec_predicate_<mode>): Use mode macro V.
8092 (*altivec_lvesfx): New.
8093 (*altivec_stvesfx): New.
8094 (vec_realign_load_v4sf): Delete.
8095 (vec_realign_load_<mode>): Use mode macro V.
8096 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8097 UNSPECV_SET_VRSAVE.
8099 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8101 PR bootstrap/23131
8102 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8103 string.
8104 * configure: Regenerated.
8106 2005-07-29 Paul Brook <paul@codesourcery.com>
8108 * doc/install.texi: Add link to GFortran binaries wiki page.
8110 2005-07-29 David Ung <davidu@mips.com>
8112 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8113 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8114 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8115 * config/mips/mips.md (cpu): Add 5kf name.
8116 (includes): Includes 5k.md.
8117 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8118 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8119 -march flag.
8121 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8123 PR 22550
8124 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8125 (cleanup_tree_cfg): ... here.
8126 Call cleanup_tree_cfg_1 until there are no more cleanups to
8127 do.
8129 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8131 * tree-vrp.c (compare_range_with_value): Return true or false
8132 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8133 EQ_EXPR respectively.
8135 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8137 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8138 Fix comment typos.
8140 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8142 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8143 (tree_ssa_dominator_optimize): Increment it.
8144 (dump_dominator_optimization_stats): Print it.
8146 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8147 Steven Bosscher <stevenb@suse.de>
8149 PR rtl-optimization/23117
8150 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8151 when head == tail. Tidy comment.
8153 2005-07-28 Richard Henderson <rth@redhat.com>
8155 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8156 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8157 * jump.c (rtx_renumbered_equal_p): Likewise.
8158 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8159 CONST_INT and CONST_DOUBLE.
8160 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8161 * reload.c (operands_match_p): Special case CONST_INT and
8162 CONST_DOUBLE; check mode earlier.
8164 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8166 PR c/22240
8167 * c-typeck.c (convert_for_assignment): Do not check
8168 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8170 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8172 PR c/22192
8173 * c-typeck.c (composite_type): Prefer constant size arrays to
8174 VLAs.
8176 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8178 PR c/21720
8179 * real.c (real_from_string): Set last bit if there is a nonzero
8180 hex digit beyond GCC's internal precision.
8182 2005-07-28 Richard Henderson <rth@redhat.com>
8184 PR rtl-opt/22619
8185 * cfgcleanup.c (try_forward_edges): Watch out for end of
8186 insn chain.
8188 2005-07-28 James E Wilson <wilson@specifixinc.com>
8190 PR c/23106
8191 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8193 2005-07-28 Jan Hubicka <jh@suse.cz>
8195 * Makefile.in (rtl-profile.o): Kill all traces of it.
8196 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8197 * coverage.h (rtl_coverage_counter_ref): Kill.
8198 * opts.c (flag_speculative_prefetching_set): Kill.
8199 (flag_loop_optimize_set): New.
8200 (common_handle_option): Disable loop optimizer when profiling;
8201 do not handle speculative prefetching.
8202 * passes.c (init_optimization_passes): Replace pass_profiling combo
8203 by branch_prob pass.
8204 * profile.c (compute_value_histograms): Update for simplified value
8205 profiles.
8206 (rtl_register_profile_hooks): Kill.
8207 (pass_profiling): Kill.
8208 (rest_of_handle_branch_prob): Do not profile.
8209 * toplev.c (process_options): Remove speculative prefetching.
8210 * toplev.h (flag_tree_based_profiling): Kill.
8211 * tree-profile.c (prepare_instrumented_value,
8212 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8213 tree_gen_one_value_profiler, do_tree_profiling): Update for
8214 simplified datastructures.
8215 * value-prof.c: Add comment that speculative prefetching was dropped;
8216 update rest of file for simplified datastructures.
8217 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8218 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8219 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8220 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8221 rtl_mod_subtract, gen_speculative_prefetch,
8222 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8223 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8224 (gate_handle_value_profile_transformations,
8225 rest_of_handle_value_profile_transformations,
8226 pass_value_profile_transformations): Kill.
8227 * value-prof.h (histogram_value_t): Remove IL based unions.
8228 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8229 rtl_profile_hooks): Remove hooks.
8231 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8233 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8234 (cgraph_clone_node): Likewise.
8235 * cgraph.h (cgraph_clone_edge): Update prototype.
8236 (cgraph_clone_node): Likewise.
8237 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8238 cgraph_clone_node.
8239 (lookup_recursive_calls): Consider profile.
8240 (cgraph_decide_recursive_inlining): Fix updating; use new
8241 probability argument; use profile.
8242 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8243 * tree-inline.c (copy_bb): Update clal of clone_edge.
8244 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8246 * invoke.texi (min-inline-recursive-probability): Document.
8248 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8250 * doc/install.texi (Configuration): Update Valgrind homepage.
8252 2005-07-28 Richard Henderson <rth@redhat.com>
8254 PR middle-end/21362
8255 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8256 labels we want to delete.
8257 (cfg_layout_merge_blocks): Likewise.
8259 2005-07-28 Richard Henderson <rth@redhat.com>
8261 PR target/17692
8262 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8263 when expanding to nothing.
8265 2005-07-28 Josh Conner <jconner@apple.com>
8267 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8268 (cgraph_decide_inlining_of_small_functions): Likewise.
8270 2005-07-28 Josh Conner <jconner@apple.com>
8272 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8273 direction of badness if negative.
8274 (cgraph_default_inline_p): Add reason to parameters, and assign it
8275 a value.
8276 (cgraph_decide_inlining_of_small_functions): New parameter in call
8277 to cgraph_default_inline_p.
8278 (cgraph_decide_inlining_incrementally): Likewise.
8279 * cgraphunit.c (decide_is_function_needed): Likewise.
8280 * cgraph.h (cgraph_default_inline_p): Likewise.
8282 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8284 * builtins.c: Fix comment typo(s).
8285 * genautomata.c: Likewise.
8286 * gimplify.c: Likewise.
8287 * tree-dfa.c: Likewise.
8288 * tree-flow-inline.h: Likewise.
8289 * tree-into-ssa.c: Likewise.
8290 * tree-ssa-alias.c: Likewise.
8291 * tree-ssa-ccp.c: Likewise.
8292 * tree-ssa-copy.c: Likewise.
8293 * tree-ssa-dce.c: Likewise.
8294 * tree-ssa-dom.c: Likewise.
8295 * tree-ssa-operands.c: Likewise.
8296 * tree-tailcall.c: Likewise.
8297 * tree-vectorizer.c: Likewise.
8298 * tree-vrp.c: Likewise.
8299 * tree.c: Likewise.
8301 2005-07-28 Jeff Law <law@redhat.com>
8303 * tree-vrp.c (test_for_singularity): Extracted from ...
8304 (simplify_cond_using_ranges): Attempt to simplify a relational
8305 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8307 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8309 PR tree-optimization/22506
8310 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8311 phis whose argument is constant.
8313 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8315 PR rtl-optimization/18992
8316 Back out this patch:
8317 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8318 PR optimization/12142
8319 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8320 uses of the register in the SET_SRC. Remove unnecessary argument.
8322 Replace it with this:
8323 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8324 if flag_non_call_exceptions is set and the insn may trap, pass
8325 pc_rtx as dest for recursion.
8326 In SET_SRC part of SET case, if dest is already set, pass it down
8327 unchanged.
8329 2005-07-28 Jan Hubicka <jh@suse.cz>
8331 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8332 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8333 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8334 roundoff errors.
8335 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8336 profile when available.
8338 2005-07-28 Jan Beulich <jbeulich@novell.com>
8340 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8341 (ia64_print_operand): Describe and handle 'X'.
8342 (ia64_register_move_cost): Also handle FP_REGS.
8343 (ia64_preferred_reload_class): Likewise.
8344 (ia64_secondary_reload_class): Likewise.
8345 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8346 it. Also check for ITANIUM_CLASS_FLDP.
8347 * config/ia64/ia64.h (FP_REGNO_P): New.
8348 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8349 (reg_class): Add FP_REGS.
8350 (REG_CLASS_NAMES): Adjust for it.
8351 (REG_CLASS_CONTENTS): Likewise.
8352 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8353 (REG_CLASS_FROM_LETTER): Handle 'x'.
8354 (CLASS_MAX_NREGS): Handle FP_REGS.
8355 (MEMORY_MOVE_COST): Likewise.
8356 * config/ia64/ia64.md (itanium_class): Add fldp.
8357 (type): Handle fldp.
8358 (movti_internal): More allowable operand combinations. Use ldfp8 when
8359 splitting unnecessary. Remove predicable attribute. Adjust
8360 itanium_class attribute.
8361 (smuldi3_highpart): Remove outdated comment.
8362 (mulditi3, umulditi3, rotlti3): New expanders.
8363 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8364 (absti2): Disabled new insn for future reference.
8365 Respective new splitters.
8366 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8367 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8368 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8370 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8372 PR rtl-optimization/23047
8373 * simplify-rtx.c (simplify_const_relational_operation): Respect
8374 flag_wrapv for comparisons with ABS.
8376 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8378 PR tree-optimization/22493
8379 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8380 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8382 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8384 * config/frv/frv.opt (moptimize-membar): New.
8386 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8388 * config/frv/frv.h: Remove machine_function definition.
8390 * config/frv/frv.c (struct frv_io): New.
8391 (struct machine_function): Moved from frv.h. Add has_membar_p.
8392 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8393 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8394 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8395 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8396 (frv_reorg): Call frv_optimize_membar when appropriate.
8397 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8398 (frv_expand_builtin): Adjust calls accordingly.
8399 (frv_io_address_cookie): New function.
8400 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8401 load or store rather than a special insn. Add ccnstant address and
8402 io-type operands to the membar.
8403 (frv_ifcvt_modify_tests): Unsign regno.
8404 (frv_ifcvt_modify_tests): Same.
8406 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8407 UNSPEC_OPTIONAL_MEMBAR constant.
8408 (builtin_read_<mode>): Delete.
8409 (builtin_write_<mode>): Delete.
8410 ("optional_membar_<mode>"): Add operand.
8412 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8413 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8414 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8415 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8416 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8417 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8418 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8419 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8420 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8422 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8424 * df.c (df_uses_record): Handle SCRATCH.
8426 2005-07-28 Steven Bosscher <stevenb@suse.de>
8428 PR debug/20161
8429 * passes.c (rest_of_decl_compilation): If decl is a type and
8430 we have encountered errors, don't emit debug information.
8432 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8434 * params.def: Fixed comment.
8436 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8438 PR target/19885
8439 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8440 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8441 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8443 2005-07-27 Steven Bosscher <stevenb@suse.de>
8445 PR c++/22003
8446 * varasm.c (assemble_start_function): Don't do anything that may
8447 require a CFG if the current function is a thunk.
8449 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8451 * doc/install.texi (Prerequisites): Mention that perl is needed
8452 to do export control in libstdc++ targetting Darwin.
8454 2005-07-27 Steven Bosscher <stevenb@suse.de>
8456 PR rtl-optimization/17808
8457 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8458 (sched_insns_conditions_mutex_p): Split out from...
8459 (add_dependence): ...here. But don't call it from here.
8460 (add_dependence_list): Check sched_insns_conditions_mutex_p
8461 before calling add_dependence.
8462 (add_dependence_list_and_free): Likewise.
8463 (fixup_sched_groups): Likewise.
8464 (sched_analyze_1): Likewise.
8465 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8466 (sched_analyze): Likewise.
8467 (sched_analyze_insn): Likewise.
8468 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8469 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8470 dependencies on all COND_EXEC insns to jumps ending basic blocks
8471 when doing intrablock scheduling.
8472 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8474 2005-07-27 Jeff Law <law@redhat.com>
8476 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8477 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8478 equivalency sets, correctly handle the case were vr0 has an
8479 equivalency set, but vr1 does not.
8481 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8483 PR tree-optimization/23073
8484 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8485 vect_print_dump_info before fprintf.
8487 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8489 PR tree-optimize/22348
8490 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8491 Fold the partial computation.
8493 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8495 PR tree-optimization/22325
8496 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8497 Declare.
8498 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8499 value replacement.
8500 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8501 (force_var_cost): ... this function.
8502 (compute_phi_arg_on_exit): Export.
8504 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8506 PR tree-optimization/20773
8507 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8508 edge.
8510 2005-07-27 Richard Guenther <rguenther@suse.de>
8512 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8513 Avoid pushing again if current struct contains only
8514 fields we decomposed.
8516 2005-07-27 Jan Hubicka <jh@suse.cz>
8518 PR tree-optimization/22574
8519 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8520 not available.
8522 * tree-tailcall.c (decrease_profile): New function.
8523 (eliminate_tail_call): Use it.
8525 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8526 visibility flags correctly in whole program mode.
8528 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8530 PR rtl-optimization/22472
8531 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8533 2005-07-26 Steven Bosscher <stevenb@suse.de>
8535 PR tree-optimization/22504
8536 * tree-complex.c (expand_complex_addition): Use 'code' instead
8537 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8539 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8541 * config.gcc (cpu_type): Add frv case.
8542 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8543 (supported_defaults): Add fr550 case.
8545 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8547 PR 22591
8548 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8549 whether a pointer of type T * may point to objects of type T *.
8551 2005-07-26 DJ Delorie <dj@redhat.com>
8553 * configure: Regenerate.
8555 2005-07-26 Dale Johannesen <dalej@apple.com>
8557 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8559 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8561 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8562 Clarify use of "build" in name.
8564 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8566 * doc/extend.texi (Raw read/write Functions): New section.
8567 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8568 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8569 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8570 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8571 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8572 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8573 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8574 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8575 * config/frv/frv.c: Add bdesc_loads global.
8576 Add bdesc_stores global.
8577 (frv_init_builtins): Add support for __builtin_{read/write}*.
8578 (frv_volatile_memref): New.
8579 (frv_expand_load_builtin): New.
8580 (frv_expand_store_builtin): New.
8581 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8582 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8583 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8584 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8585 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8586 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8587 (builtin_read_<mode>): New.
8588 (builtin_write_<mode>): New.
8589 (builtin_write64): New.
8590 (optional_membar_<mode>): New.
8592 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8594 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8595 (rather than units) against HOST_BITS_PER_WIDE_INT.
8597 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8599 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8600 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8601 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8602 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8603 FSF address.
8605 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8606 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8607 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8608 comment typos.
8609 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8611 2005-07-26 Richard Guenther <rguenther@suse.de>
8613 PR tree-optimization/22486
8614 * fold-const.c (fold_unary): Fold away useless component
8615 references of the form (T *)&T.x, if the address
8616 doesn't change.
8618 2005-07-25 James E Wilson <wilson@specifixinc.com>
8620 * dwarf2out.c (add_call_src_coords_attributes): New.
8621 (gen_inlined_subroutine_die): Call it.
8622 (maybe_emit_file, init_file_table): Add comments.
8623 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8624 maybe_emit_file.
8625 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8626 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8627 * tree.h (BLOCK_SOURCE_LOCATION): New.
8628 (struct tree_block): New field locus.
8630 2005-07-26 Andreas Schwab <schwab@suse.de>
8632 PR rtl-optimization/23043
8633 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8634 when allocating a struct unoccr.
8636 2005-07-25 Richard Henderson <rth@redhat.com>
8638 PR 22626
8639 * tree-complex.c (gate_no_optimization): True if errors.
8640 * Makefile.in (tree-complex.o): Update dependencies.
8642 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8644 * config/frv/predicates.md (integer_register_operand): Use
8645 GPR_AP_OR_PSEUDO_P.
8647 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8649 PR tree-opt/22484
8650 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8651 after fold.
8652 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8654 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8656 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8657 types when flag_unsafe_math_optimizations is true.
8659 2005-07-25 Mark Mitchell <mark@codesourcery.com>
8661 * gcc.c (option_map): Add --sysroot.
8662 (process_command): Handle --sysroot.
8663 (display_help): Document it.
8664 * doc/cppopts.tex (-isysroot): Document.
8665 * doc/invoke.texi (--sysroot): Document.
8666 * doc/install.texi (--with-build-sysroot): Document.
8668 * Makefile.in (inhibit_libc): New variable.
8669 (INHIBIT_LIBC_CFLAGS): Likewise.
8670 (LIBGCC2_CFLAGS): Include
8671 $(INHIBIT_LIBC_CFLAGS).
8672 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8673 ($(T)crtbegin.o): Do not use @inhibit_libc@.
8674 ($(T)crtend.o): Likewise.
8675 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8676 ($(T)crtendS.o): Likewise.
8677 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8678 ($(T)crtendT.o): Likewise.
8679 (stmp-fixinc): Do not complain about missing headers if
8680 inhibit_libc.
8681 * configure.ac (inhibit_libc): Set it to true/false.
8682 (--with-build-sysroot): New option. Use it to set
8683 SYSTEM_HEADER_DIR.
8684 * configure: Regenerated.
8686 2005-07-25 Manfred Hollstein <mh@suse.com>
8688 * calls.c (store_one_arg): Fix unsigned comparison warning.
8690 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
8692 PR other/22337
8693 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8694 (ggc_print_statistics): Initialize variable before use.
8696 2005-07-25 Richard Guenther <rguenther@suse.de>
8698 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8699 calling with a PHI_NODE argument.
8701 * tree-flow-inline.h (overlap_subvar): Protect against
8702 possible overflow.
8704 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
8706 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8707 * configure: Regenerate.
8709 2005-07-25 Ira Rosen <irar@il.ibm.com>
8711 * expr.c (highest_pow2_factor): Make extern.
8712 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8713 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8714 record_array_differ_p, array_ptr_differ_p): Likewise.
8715 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8716 additional cases. Call the above functions.
8717 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8718 base_object_differ_p when there are two base objects. Otherwise, compare
8719 base address and offset. Call may_alias_p.
8720 (dump_data_reference): Use a correct field name.
8721 (analyze_array): Make static. Initialize new data-ref fields.
8722 (analyze_indirect_ref): New function.
8723 (init_data_ref): Initialize new data-ref fields.
8724 (strip_conversion): Moved from tree-vect-analyze.c.
8725 (analyze_offset_expr, get_ptr_offset, address_analysis,
8726 object_analysis): Likewise.
8727 (analyze_offset): New function.
8728 (create_data_ref): Likewise.
8729 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8730 dimensions for ARRAY_REFs only.
8731 (build_classic_dist_vector): Make static.
8732 (access_functions_are_affine_or_constant_p): Call macro to get the
8733 address of access functions.
8734 (compute_all_dependences): Add new parameter
8735 compute_self_and_read_read_dependences. Compute self and read-read
8736 dependences if it is true.
8737 (find_data_references_in_loop): Call create_data_ref. Initialize new
8738 data-ref fields.
8739 (compute_data_dependences_for_loop): Add new parameter
8740 compute_self_and_read_read_dependences. Remove parameter nb_loops,
8741 compute nb_loops. Call compute_all_dependences,
8742 build_classic_dist_vector and build_classic_dir_vector with correct
8743 parameters.
8744 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8745 with correct parameters. Compare dimensions for ARRAY_REFs only.
8746 (free_data_refs): Call macro to free access functions.
8747 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8748 fields from stmt_vinfo.
8749 (struct base_object_info): New structure.
8750 (struct data_reference): Move fields to base_object_info. Add fields
8751 first_location and object_info for above structures. Move fields from
8752 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8753 aligned_to. Add macros to access the new fields.
8754 Update functions declarations.
8755 * tree-flow.h (is_aliased_with): Declare.
8756 * tree-loop-linear.c (linear_transform_loops): Call
8757 compute_data_dependences_for_loop with correct parameters.
8758 * tree-ssa-alias.c (is_aliased_with): New function.
8759 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8760 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8761 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8762 vect_base_addr_differ_p, compute_subscript_distance and
8763 build_classic_dist_vector. Add printings. Check absolute value of
8764 distance.
8765 (vect_analyze_data_ref_dependences): Go through ddrs instead of
8766 data-refs.
8767 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8768 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8769 to bytes. Add printing.
8770 (vect_compute_data_refs_alignment): Go through loads and stores in one
8771 loop.
8772 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8773 vect_analyze_data_ref_access): Likewise.
8774 (vect_analyze_pointer_ref_access): Remove.
8775 (vect_address_analysis, vect_object_analysis): Likewise.
8776 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8777 and analyze data-refs in the loop.
8778 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8779 fields of data-ref instead of stmt. Add init to the offset from the
8780 base.
8781 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8782 (vect_update_init_of_dr): Likewise.
8783 (vect_update_inits_of_drs): Go through loads and stores in one loop.
8784 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8785 removed fields.
8786 (new_loop_vec_info): Initialize new fields.
8787 (destroy_loop_vec_info): Free new fields.
8788 (vect_strip_conversion): Remove.
8789 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8790 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8791 datarefs. Add new field ddrs.
8792 Add macros for the new fields access.
8793 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8794 base_aligned_p, misalignment, memtag, ptr_info and subvars.
8795 Remove their macros.
8796 * tree.h (highest_pow2_factor): Declare.
8798 2005-07-25 Jakub Jelinek <jakub@redhat.com>
8800 * calls.c (store_one_arg): Check for sibling call MEM arguments
8801 from already clobbered incoming argument area.
8803 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8805 * c-common.c (check_missing_format_attribute): New.
8806 * c-common.h (check_missing_format_attribute): Likewise.
8807 * c-typeck.c (convert_for_assignment): Use it.
8809 2005-07-24 Andreas Schwab <schwab@suse.de>
8811 * config/m68k/m68k.md ("extendqidi2"): When source is an address
8812 register use a word move. Correct operand of ext.w in 68000 code.
8814 2005-07-23 Mark Mitchell <mark@codesourcery.com>
8816 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8817 variables as declarations, rather than definitions.
8819 2005-07-24 Ira Rosen <irar@il.ibm.com>
8821 PR tree-optimization/22526
8822 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8823 of the zero node.
8825 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8827 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8828 that C99 reserve for future use. Use it to define clog10,
8829 clog10f and clog10l.
8831 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8833 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8834 * configure.ac: Check for -Wmissing-format-attribute.
8836 * configure: Regenerate.
8838 2005-07-23 Richard Henderson <rth@redhat.com>
8840 PR tree-optimization/22623
8841 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8843 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
8845 PR target/22577
8846 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8848 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8850 * Makefile.in (C_TREE_H): Update dependencies.
8851 * c-tree.h: Include toplev.h.
8852 * diagnostic.h (diagnostic_set_info): Add format attribute.
8853 * rtl-error.c (diagnostic_for_asm): Likewise.
8855 2005-07-23 Chao-ying Fu <fu@mips.com>
8857 * config/mips/mips-dsp.md: New file.
8858 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8859 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8860 functions.
8861 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8862 MIPS_BUILTIN_BPOSGE32.
8863 (mips_expand_builtin_direct): Add one parameter to indicate that
8864 builtin functions need to return a value.
8865 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8866 functions.
8867 (mips_regno_to_class): Add classes for 12 new DSP registers.
8868 (mips_subword): Change to check four HI registers.
8869 (mips_output_move): Output move to and from 6 new DSP accumulators.
8870 (override_options): Make sure -mdsp and -mips16 are not used together.
8871 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
8872 for machine modes.
8873 (mips_conditional_register_usage): Disable 6 new DSP accumulators
8874 when !TARGET_DSP.
8875 (print_operand): Add 'q' for printing DSP accumulators.
8876 (mips_cannot_change_mode_class): Check ACC_REGS.
8877 (mips_secondary_reload_class): Check ACC_REGS.
8878 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8879 (mips_register_move_cost): Check ACC_REGS.
8880 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8881 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8882 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8883 (dsp_bdesc): New array.
8884 (bdesc_arrays): Add DSP builtin function table.
8885 (mips_prepare_builtin_arg): Check predicate again after
8886 copy_to_mode_reg.
8887 (mips_expand_builtin): Add one more parameter to
8888 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8889 MIPS_BUILTIN_BPOSGE32.
8890 (mips_init_builtins): Initialize new function types.
8891 (mips_expand_builtin_direct): Check if builtin functions need to
8892 return a value and pass operands properly.
8893 (mips_expand_builtin_bposge): New function.
8894 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8895 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8896 (FIRST_PSEUDO_REGISTER): Increase to 188.
8897 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8898 Update for 12 new DSP registers.
8899 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8900 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8901 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8902 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8903 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8904 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8905 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8906 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8907 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8908 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8909 (REGISTER_NAMES): Add names for 12 new DSP registers.
8910 * config/mips/mips.md: Include mips-dsp.md.
8911 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8912 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8913 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8914 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8915 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8916 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8917 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8918 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8919 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8920 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8921 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8922 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8923 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8924 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8925 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8926 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8927 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8928 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8929 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8930 (UNSPEC_RDDSP): New constants.
8931 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8932 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
8933 A<-d alternative.
8934 * config/mips/mips.opt (-mdsp): New option.
8935 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8936 (reg_imm10_operand): New predicates.
8937 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8938 * doc/invoke.texi (-mdsp): Document new option.
8940 2005-07-22 DJ Delorie <dj@redhat.com>
8942 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8943 to warning calls.
8944 * tree-inline.c (inlinable_function_p): Likewise.
8946 2005-07-22 Mark Mitchell <mark@codesourcery.com>
8948 PR debug/21828
8949 * toplev.c (check_global_declarations): Do not mark undefined
8950 variables as DECL_IGNORED_P.
8951 * varasm.c (first_global_object_name): GTY it.
8952 (weak_global_object_name): Likewise.
8953 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8954 a string to go into {weak,first}_global_object_name.
8956 2005-07-22 DJ Delorie <dj@redhat.com>
8958 * c-format.c (check_function_format): Change warning control
8959 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8961 2005-07-22 Diego Novillo <dnovillo@redhat.com>
8963 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8964 &PTR->FLD a dereference of PTR.
8965 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8966 a potential dereference of PTR.
8968 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
8970 PR rtl-optimization/20370
8971 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8972 call allocate_reg_info if necessary.
8974 PR rtl-optimization/21848
8975 * calls.c (emit_library_call_value_1): For const functions, add
8976 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8978 PR rtl-optimization/22445
8979 * cselib.c (target.h): Include.
8980 (rtx_equal_for_cselib_p): Allow commutative matches.
8981 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8982 Remove MODE parameter. Changed all callers.
8984 PR rtl-optimization/22258
8985 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8986 New functions.
8987 (try_combine): Use likely_spilled_retval_p.
8989 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
8991 * config.gcc: Add crx-elf support.
8993 * doc/contrib.texi: Mention crx.
8994 * doc/extend.texi: Document crx extensions.
8995 * doc/install.texi: Document crx install.
8996 * doc/invoke.texi: Document crx options.
8997 * doc/md.texi: Document crx constraints.
8999 * config/crx/crx-protos.h: New file.
9000 * config/crx/crx.c: New file.
9001 * config/crx/crx.h: New file.
9002 * config/crx/crx.md: New file.
9003 * config/crx/crx.opt: New file.
9004 * config/crx/t-crx: New file.
9006 2005-07-22 Manfred Hollstein <mh@suse.com>
9008 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9009 warnings.
9010 (int_add_graph_edge): Likewise.
9011 (collapse_nodes): Likewise.
9012 (process_unification_queue): Likewise.
9014 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9015 Laurent GUERBY <laurent@guerby.net>
9017 PR tree-optimization/22336
9018 * function.c (record_block_change): Check for
9019 cfun->ib_boundaries_block.
9021 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
9023 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9024 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9026 2005-07-21 DJ Delorie <dj@redhat.com>
9028 * toplev.c (warn_deprecated_use): Add warning control to warning
9029 call.
9030 * c-typeck.c (parser_build_binary_op): Likewise.
9031 (c_finish_if_stmt): Likewise.
9032 * c-common.c (check_function_sentinel): Likewise.
9033 (check_nonnull_arg): Likewise.
9035 2005-07-21 Richard Henderson <rth@redhat.com>
9037 PR tree-opt/22504
9038 * tree-complex.c (complex_ssa_name_components): New.
9039 (cvc_lookup): Allow entry not found.
9040 (create_components): Remove.
9041 (create_one_component_var, get_component_var): New.
9042 (get_component_ssa_name, set_component_ssa_name): New.
9043 (extract_component): Use get_component_ssa_name.
9044 (update_complex_components): Use set_component_ssa_name.
9045 (update_complex_components_on_edge): Likewise.
9046 (update_phi_components): Create new PHI nodes directly, instead
9047 of adding insns to edges.
9048 (tree_lower_complex): Allocate and free complex_variable_components
9049 and complex_ssa_name_components here.
9051 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
9053 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9054 revert to returning false.
9056 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9058 PR target/21149
9059 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9061 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9063 PR target/22576
9064 * config/i386/i386.md (cmpxf): Change operand constraints
9065 to "nonmemory_operand".
9067 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9069 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9071 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9073 PR middle-end/21180
9074 * fold-const.c (fold_build1): Add checksum for the operands.
9075 (fold_build2): Likewise.
9076 (fold_build3): Likewise.
9078 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9080 PR middle-end/19055
9081 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9083 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9085 * common.opt (-fforward-propagate): Committed by mistake,
9086 removed.
9088 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9090 * reg-stack.c: Fix comment typo(s).
9091 * tree-ssa-operands.c: Likewise.
9092 * tree-vectorizer: Likewise.
9094 2005-07-21 Nick Clifton <nickc@redhat.com>
9096 * config/sh/symbian.c: Replace C++ style line comments with C
9097 style line comments.
9098 (symbian_add_attribute): Do not use a ? operator on the LHS of
9099 an assignment.
9100 (sh_symbian_handle_dll_attribute): Change the type of the
9101 method vector to "VEC(tree,gc)*" and use vector accessor
9102 macros to walk over the elements.
9103 (symbian_export_vtable_and_rtti_p): Likewise.
9104 (symbian_class_needs_attribute_p): Likewise.
9106 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9108 PR target/22085
9109 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9110 initialize targetm.resolve_overloaded_builtin here.
9111 (altivec_expand_overloaded_builtin): Make it non-static.
9112 * config/rs6000/rs6000-protos.h
9113 (altivec_expand_overloaded_builtin): New prototype.
9114 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9115 targetm.resolve_overloaded_builtin here.
9116 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9118 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9119 Zdenek Dvorak <dvorakz@suse.cz>
9121 PR tree-optimization/19210
9122 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9123 New.
9124 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9125 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9126 rely on unproven assumptions.
9127 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9128 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9129 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9130 to number_of_iterations_exit.
9131 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9132 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9133 * tree-ssa-loop-niter.c (find_loop_niter,
9134 estimate_numbers_of_iterations_loop): Likewise.
9135 (number_of_iterations_exit): Honor the new options.
9136 * doc/invoke.texi (Wunsafe-loop-optimizations,
9137 funsafe-loop-optimizations): Document them.
9139 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9141 PR rtl-optimization/22167
9142 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9144 2005-07-20 Adam Nemet <anemet@lnxw.com>
9146 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9147 __do_global_dtors_aux longcall.
9149 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9151 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9152 (old_special_pred_table): Don't reference
9153 SPECIAL_MODE_PREDICATES.
9154 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9155 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9156 * config/sh/predicates.h: Don't mention
9157 SPECIAL_MODE_PREDICATES.
9158 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9159 Remove.
9161 2005-07-20 DJ Delorie <dj@redhat.com>
9163 * config.gcc: Add m32c-elf support.
9165 * doc/contrib.texi: Mention m32c.
9166 * doc/extend.texi: Document m32c extensions.
9167 * doc/install.texi: Mention m32c.
9168 * doc/invoke.texi: Document m32c options.
9169 * doc/md.texi: Document m32c constraints.
9171 * config/m32c/addsub.md: New file.
9172 * config/m32c/bitops.md: New file.
9173 * config/m32c/cond.md: New file.
9174 * config/m32c/jump.md: New file.
9175 * config/m32c/m32c-lib1.S: New file.
9176 * config/m32c/m32c-lib2.c: New file.
9177 * config/m32c/m32c-modes.def: New file.
9178 * config/m32c/m32c-pragma.c: New file.
9179 * config/m32c/m32c-protos.h: New file.
9180 * config/m32c/m32c.abi: New file.
9181 * config/m32c/m32c.c: New file.
9182 * config/m32c/m32c.h: New file.
9183 * config/m32c/m32c.md: New file.
9184 * config/m32c/m32c.opt: New file.
9185 * config/m32c/minmax.md: New file.
9186 * config/m32c/mov.md: New file.
9187 * config/m32c/muldiv.md: New file.
9188 * config/m32c/predicates.md: New file.
9189 * config/m32c/prologue.md: New file.
9190 * config/m32c/shift.md: New file.
9191 * config/m32c/t-m32c: New file.
9193 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9195 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9196 (stack_protect_set, stack_protect_test): New expanders.
9197 (stack_protect_set_si, stack_protect_set_si_media,
9198 stack_protect_set_di_media, stack_protect_test_si,
9199 stack_protect_test_si_media, stack_protect_test_di_media):
9200 New insns.
9202 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9204 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9206 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9208 * tree.h (tree_expr_nonzero_p): Export.
9209 * fold-const.c (tree_expr_nonzero_p): Likewise.
9210 Return true for CALL_EXPRs that are alloca calls.
9211 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9212 against zero.
9213 * tree-flow.h (expr_computes_nonzero): Remove.
9214 * tree-vrp.c (expr_computes_nonzero): Remove.
9215 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9216 (extract_range_from_unary_expr): Likewise.
9217 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9218 tree_expr_nonzero_p.
9220 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9222 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9223 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9224 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9225 All callers changed.
9226 (frame_related_constant_load): New arg "related" which controls
9227 setting of RTX_FRAME_RELATED_P. All callers changed.
9228 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9229 (bfin_expand_prologue): Add stack limit checking.
9230 * config/bfin/bfin.md (trapifcc): New pattern.
9232 * config/bfin/bfin.c: Include "langhooks.h".
9233 (def_builtin): Go through lang_hooks to call builtin_function.
9235 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9236 * config/bfin/predicates.md (symbol_ref_operand): New.
9237 (call_insn_operand): Delete. All callers changed to use
9238 register_no_elim_operand.
9239 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9240 call_cookie field.
9241 (function_arg): Use it to generate the call's operand 2.
9242 (bfin_longcall_p): New function.
9243 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9244 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9245 determine if the address needs to be in a REG.
9246 (bfin_handle_longcall_attribute): New function.
9247 (bfin_attribute_table): Add "longcall" and "shortcall".
9248 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9249 (CUMULATIVE_ARGS): New member call_cookie.
9250 (PREDICATE_CODES): Add symbol_ref_operand.
9251 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9252 extra USE to the pattern.
9253 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9254 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9255 sibcall_value_insn; now the new patterns handle direct calls and the
9256 old ones indirect calls.
9257 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9259 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9261 * doc/trouble.texi: Update section on handling of empty loops.
9263 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9265 * config.gcc: Remove support for sparc-*-openbsd*,
9266 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9267 ns32k-*-netbsd*.
9268 * config.host: Remove support for i860-*-sysv4* as a host.
9269 * config/i860/*, config/ip2k/*, config/ns32k/*,
9270 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9271 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9272 mention obsolete ports.
9274 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9276 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9277 soft frame pointer.
9278 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9279 of frame_pointer_rtx.
9280 (sh_expand_epilogue): Likewise.
9281 (sh_set_return_address): Likewise.
9282 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9283 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9284 offsets from FRAME_POINTER_REGNUM.
9285 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9286 (sh_register_names): Add initializer for sfp.
9287 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9288 (VALID_REGISTER_P): Likewise.
9289 (FIRST_PSEUDO_REGISTER): Update.
9290 (DWARF_FRAME_REGISTERS): Define.
9291 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9292 (HARD_FRAME_POINTER_REGNUM): Define.
9293 (FRAME_POINTER_REGNUM): Redefine.
9294 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9295 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9296 from FRAME_POINTER_REGNUM.
9297 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9298 FRAME_POINTER_REGNUM.
9299 (REG_CLASS_CONTENTS): Add sfp.
9300 (REG_ALLOC_ORDER): Likewise.
9301 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9302 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9303 of frame_pointer_rtx.
9304 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9306 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9308 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9309 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9310 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9311 of an ABS_EXPR.
9312 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9313 ABS_EXPR<x>.
9315 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9317 Make CONSTRUCTOR use VEC to store initializers.
9318 * c-common.c (complete_array_type): Update to cope with VEC in
9319 CONSTRUCTOR_ELTS.
9320 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9321 (pp_c_constructor_elts): New function.
9322 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9323 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9324 struct constructor_stack, struct initializer_stack,
9325 constructor_elements, push_init_level, pop_init_level,
9326 add_pending_init, find_init_member, output_init_element): Update to
9327 cope with VEC in CONSTRUCTOR_ELTS.
9328 * coverage.c (build_fn_info_value, build_ctr_info_value,
9329 build_gcov_info): Likewise.
9330 * expr.c (categorize_ctor_elements_1, store_constructor,
9331 expand_expr_real_1): Likewise.
9332 * fold-const.c (fold_ternary): Likewise.
9333 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9334 gimplify_init_constructor, gimplify_expr): Likewise.
9335 * tree-dump.c (dequeue_and_dump): Likewise.
9336 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9337 node.
9338 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9339 CONSTRUCTOR_ELTS.
9340 * tree-sra.c (generate_element_init_1): Likewise.
9341 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9342 * tree-ssa-operands.c (get_expr_operands): Likewise.
9343 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9344 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9345 (get_initial_def_for_reduction): Likewise.
9346 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9347 value handle in annotations.
9348 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9349 tree_node_structure): Add support for constr_kind.
9350 (build_vector_from_ctor, build_constructor_single,
9351 build_constructor_from_list): New functions.
9352 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9353 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9354 Update to cope with VEC in CONSTRUCTOR_ELTS.
9355 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9356 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9357 CONSTRUCTOR_APPEND_ELT): New macros.
9358 (struct constructor_elt, struct tree_constructor): New data types.
9359 (union tree_node): Add tree_constructor field.
9360 * treestruct.def: Define TS_CONSTRUCTOR.
9361 * varasm.c (const_hash_1, compare_constant, copy_constant,
9362 compute_reloc_for_constant, output_addressed_constants,
9363 initializer_constant_valid_p, output_constant,
9364 array_size_for_constructor, output_constructor): Update to cope with
9365 VEC in CONSTRUCTOR_ELTS.
9366 * vec.h (VEC_empty, VEC_copy): New macros.
9368 2005-07-19 Devang Patel <dpatel@apple.com>
9370 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9372 2005-07-19 Richard Henderson <rth@redhat.com>
9374 PR tree-opt/22278
9375 * gimplify.c (gimplify_expr): Use main variant type for the temp
9376 destination for a discarded volatile read.
9377 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9378 casts between non-void types that change volatility.
9380 2005-07-15 DJ Delorie <dj@redhat.com>
9382 * toplev.h: Add comment about the first parameter for warning().
9383 * errors.h: Likewise.
9385 * c.opt (Wpragmas): New.
9386 * doc/invoke.texi: Document it.
9388 * function.c (do_warn_unused_parameter): Add warning control to
9389 warning call.
9390 * c-decl.c (warn_if_shadowing): Likewise.
9391 * c-lex.c (cb_def_pragma): Likewise.
9392 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9393 (pop_alignment): Likewise.
9394 (handle_pragma_pack): Likewise.
9395 (apply_pragma_weak): Likewise.
9396 (handle_pragma_weak): Likewise.
9397 (handle_pragma_redefine_extname): Likewise.
9398 (add_to_renaming_pragma_list): Likewise.
9399 (handle_pragma_extern_prefix): Likewise.
9400 (maybe_apply_renaming_pragma): Likewise.
9401 (handle_pragma_visibility): Likewise.
9403 * config/c4x/c4x-c.c (BAD): Likewise.
9404 (c4x_parse_pragma): Likewise.
9405 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9406 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9407 (rs6000_pragma_longcall): Likewise.
9408 * config/v850/v850-c.c (pop_data_area): Likewise.
9409 (ghs_pragma_section): Likewise.
9410 (ghs_pragma_section): Likewise.
9411 (ghs_pragma_interrupt): Likewise.
9412 (ghs_pragma_starttda): Likewise.
9413 (ghs_pragma_startsda): Likewise.
9414 (ghs_pragma_startzda): Likewise.
9415 (ghs_pragma_endtda): Likewise.
9416 (ghs_pragma_endsda): Likewise.
9417 (ghs_pragma_endzda): Likewise.
9419 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9420 Kenneth Zadeck <zadeck@naturalbridge.com>
9422 * Makefile.in: Removed tree-promote-statics.c
9423 * tree-promote-statics.c: Removed.
9424 * common.opt: Removed flag-promote-statics.
9425 * opts.c: Ditto.
9426 * passes.c: Removed tree-promote-statics pass.
9427 * tree-pass.h: Ditto.
9428 * timevar.def: Removed TV_PROMOTE_STATICS.
9431 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9433 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9434 and *-*-freebsd9.
9435 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9437 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9439 PR c/22476
9440 * c-common.c (check_function_arguments): Call
9441 'check_function_format' if either -Wformat or
9442 -Wmissing-format-attribute are specified.
9443 * c-format.c (check_function_format): Check -Wformat before
9444 calling 'check_format_info'.
9445 * c-opts.c (c_common_post_options): Don't warn for
9446 -Wmissing-format-attribute without -Wformat.
9447 * c-typeck.c (convert_for_assignment): Detect additional cases for
9448 -Wmissing-format-attribute.
9449 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9450 behavior.
9452 2005-07-19 Richard Guenther <rguenther@suse.de>
9454 * config/i386/i386.md (lrint<mode>2): Use temporary
9455 instead of clobbering non-existent memory.
9457 2005-07-19 Nick Clifton <nickc@redhat.com>
9459 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9460 statement to avoid displaying ASCII control characters.
9462 2005-07-19 Ben Elliston <bje@au.ibm.com>
9464 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9465 * cfganal.c (find_edge_index): Ditto.
9466 * combine.c (combine_instructions): Ditto.
9467 * ddg.c (create_scc): Ditto.
9468 (find_successors): Ditto.
9469 (find_predecessors): Ditto.
9470 (find_nodes_on_paths): Ditto.
9471 (longest_simple_path): Ditto.
9472 * flow.c (update_life_info): Ditto.
9473 (count_or_remove_death_notes): Ditto.
9474 (clear_log_links): Ditto.
9475 * modulo-sched.c (generate_reg_moves): Ditto.
9476 (find_max_asap): Ditto.
9477 (find_max_hv_min_mob): Ditto.
9478 (find_max_dv_min_mob): Ditto.
9479 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9480 * sched-rgn.c (extract_edgelst): Ditto.
9481 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9482 (dump_update_ssa): Ditto.
9483 (ssa_names_to_replace) Ditto.
9484 (switch_virtuals_to_full_rewrite): Ditto.
9485 (update_ssa): Ditto.
9486 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9488 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9490 Fix PR tree-optimization/22483
9492 * tree-complex.c (create_components): Use
9493 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9494 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9495 * tree-flow.h (safe_referenced_var_iterator): New structure.
9496 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9497 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9498 safe_referenced_var iterator.
9499 (add_type_alias): Ditto.
9501 2005-07-19 Steven Bosscher <stevenb@suse.de>
9503 * loop-init.c (rest_of_handle_loop2): Remove.
9504 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9505 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9506 (pass_rtl_loop_init, pass_rtl_loop_done,
9507 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9508 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9509 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9510 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9511 pass_tree_loop_done, and pass_tree_unswitch.
9512 (gate_loop): Rename to gate_tree_loop.
9513 * passes.c (init_optimization_passes): Update for renamed tree
9514 loop passes. Add the new loop2 passes as subpasses of loop2.
9515 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9516 Update for the renamed tree loop passes.
9518 2005-07-18 Ian Lance Taylor <ian@airs.com>
9520 PR middle-end/22057
9521 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9522 blocks when optimizing.
9524 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9526 * common.opt (frename-registers): Initialize to 2.
9527 (fweb): Ditto.
9528 (fgcse-after-reload): Ditto.
9529 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9530 (process_options): Only change flag_web, flag_rename_registers,
9531 and flag_rerun_cse_after_loop if not explicitly set by user.
9533 2005-07-18 Jan Beulich <jbeulich@novell.com>
9535 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9536 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9537 in 64-bit mode the same as DImode in 32-bit mode.
9538 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9539 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9540 mode. Add new mode parameter.
9541 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9542 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9543 x86_64_shift_adj): New expanders.
9544 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9545 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9546 insns.
9547 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9548 DImode shift splitters.
9549 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9550 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9551 mode parameter.
9553 2005-07-18 Jan Beulich <jbeulich@novell.com>
9555 * i386.md (movdi_extzv_1): New.
9556 (zero_extendhidi2): Combine alternatives and never force use of
9557 REX64 prefix.
9558 (zero_extendqidi2): Likewise. Don't restrict input selection.
9560 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9562 Fix PR tree-optimization/22531
9563 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9564 moment.
9566 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9568 * tree-promote-statics.c (pass_promote_statics): Change dump file
9569 name.
9571 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9573 * tree-optimize.c (init_tree_optimization_passes): Add
9574 pass_eliminate_useless_stores pass.
9575 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9576 * tree-ssa-pre.c (is_copy_stmt): New function.
9577 (follow_copies_till_vuse): Ditto.
9578 (do_eustores): Ditto.
9579 (gate_eustores): Ditto.
9581 2005-07-16 Richard Henderson <rth@redhat.com>
9583 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9585 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9586 Kenneth Zadeck <zadeck@naturalbridge.com>
9588 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9589 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9590 ipa-type-escape.h, tree-promote-statics.c
9591 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9592 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9593 tree-promote-statics.c: new files.
9594 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9595 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9596 int nonlocal_set_p, mark_constant_function): Deleted.
9597 (rest_of_handle_cfg): Removed call to mark_constant_function.
9598 (nonoverlapping_component_refs_p): Added calls to support
9599 type based aliasing.
9600 * tree-ssa-alias.c (may_alias_p,
9601 compute_flow_insensitive_aliasing): Ditto.
9602 * calls.c (flags_from_decl_or_type): Removed reference to
9603 cgraph_rtl_info.
9604 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9605 too many arguments. This is necessary for Spec 2000.
9606 * cgraph.h (const_function, pure_function): Removed.
9607 * common.opt: Added "fipa-pure-const", "fipa-reference",
9608 "fipa-type-escape", and "ftree-promote-static".
9609 * opts.c: Ditto.
9610 * passes.c: Added ipa and tree-promote-statics passes.
9611 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9612 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9613 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9614 * tree-flow.h: Added exposed sra calls and addition of
9615 reference_vars_info field for FUNCTION_DECLS.
9616 * tree-pass.h: Added passes.
9617 * tree-sra.c: (sra_init_cache): New function.
9618 (sra_insert_before, sra_insert_after) Made public.
9619 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9620 and made public.
9621 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9622 aliasing. (may_alias_p): Added code to use type escape analysis to
9623 improve alias sets.
9624 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9625 code to prune clobbers of static variables based on information
9626 produced in ipa-reference pass. Changed call clobbering so that
9627 statics are not marked as clobbered if the call does not clobber
9628 them.
9630 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9632 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9633 too.
9635 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9637 * doc/install.texi (*-*-solaris2*): Document recommended version
9638 of GNU binutils and mention GNU linker problem on Solaris 10.
9640 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
9642 PR c/22421
9643 * c-decl.c (c_build_bitfield_integer_type): New function.
9644 (finish_struct): Call it.
9645 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9647 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9649 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9650 before returning.
9652 2005-07-16 Jan Hubicka <jh@suse.cz>
9654 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9655 (scale_bbs_frequencies_int): Watch roundoff errors.
9656 * predict.c (return_prediction): Initialize return_stmt.
9658 2005-07-16 Jan Hubicka <jh@suse.cz>
9660 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9661 after RTL profiling.
9663 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
9665 PR middle-end/22398
9666 * fold-const.c (build_range_check): Convert high/low to etype
9667 if we are only comparing against exp.
9669 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
9671 Fix PR tree-optimization/22376
9672 * tree-ssa-structalias.c (build_constraint_graph): We really meant
9673 special var here.
9674 (need_to_solve): New function.
9675 (compute_points_to_sets): Use it.
9677 2005-07-15 Jan Hubicka <jh@suse.cz>
9679 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9680 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9682 2005-07-15 Richard Guenther <rguenther@suse.de>
9684 * c-common.c (handle_flatten_attribute): New function.
9685 Add flatten function attribute.
9686 * doc/extend.texi: Document flatten function attribute.
9687 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9688 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9689 New functions.
9690 (cgraph_decide_inlining): Handle functions with flatten
9691 attribute.
9693 2005-07-14 David Edelsohn <edelsohn@gnu.org>
9695 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9696 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9697 UNSPEC_XCHG, UNSPEC_AND): New.
9698 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9699 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9700 * config/rs6000/sync.md (FETCHOP): New code macro.
9701 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9702 New code attrs.
9703 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9704 (sync_compare_and_swap<mode>): Same.
9705 (sync_lock_test_and_set<mode>): Same.
9706 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9707 for QImode and HImode, and not PPC405.
9708 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9709 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9710 (sync_<fetchop>{si,di}_internal): New.
9711 (sync_nand{si,di}_internal): New.
9712 (sync_old_<fetchop>{si,di}_internal): New.
9713 (sync_old_nand{si,di}_internal): New
9714 (sync_new_<fetchop>{si,di}_internal): New.
9715 (sync_new_nand{si,di}_internal): New.
9716 (atomic_and{si,di}): New.
9717 (sync_new_nand{si,di}_internal): New.
9718 (atomic_and{si,di}): New.
9719 (sync_add<mode>_internal): Delete.
9720 (sync_addshort_internal): Use unspec instead of unspec_volatile.
9721 (sync_sub<mode>_internal): Delte.
9722 (sync_subshort_internal): New.
9723 (sync_andsi_internal): Use unspec instead of unspec_volatile.
9724 (sync_anddi_internal): Delete.
9725 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9726 (sync_booldi_internal): Delete.
9727 (sync_boolc<mode>_internal): Delete.
9728 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9729 (sync_boolc<mode>_internal2): Delete.
9730 (sync_boolcc<mode>_internal): Delete.
9731 (isync, lwsync): Use unspec instead of unspec_volatile.
9732 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9733 Revert UNSPEC_VOLATILE.
9734 (rs6000_split_atomic_op): New.
9735 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9737 2005-07-14 Eric Christopher <echristo@redhat.com>
9739 * config/mips/mips.c (mips_canonicalize_comparison): Cast
9740 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9742 2005-07-14 Eric Christopher <echristo@redhat.com>
9744 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9746 2005-07-14 Steven Bosscher <stevenb@suse.de>
9748 PR tree-optimization/22230
9749 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9750 the computation of the four cross productions for "range op range".
9752 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
9753 Ulrich Weigand <uweigand@de.ibm.com>
9755 PR target/20126
9756 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9757 in some insn.
9759 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9761 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9763 2005-07-14 Steve Ellcey <sje@cup.hp.com>
9765 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9767 2005-07-14 Richard Guenther <rguenther@suse.de>
9769 PR middle-end/22347
9770 * config/i386/i386-protos.h (ix86_function_value): Change
9771 prototype to match new target hook.
9772 * config/i386/i386.c (ix86_value_regno): Change prototype
9773 to take extra type argument.
9774 (TARGET_FUNCTION_VALUE): Define.
9775 (ix86_function_ok_for_sibcall): Pass extra argument to
9776 ix86_value_regno, check return slot rtx for exact match.
9777 (ix86_function_value): Take extra parameter. Dispatch to
9778 ix86_value_regno with fndecl/fntype as provided.
9779 (ix86_value_regno): Handle extra type argument.
9780 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9782 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9783 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9784 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9785 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9786 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9788 2005-07-14 Richard Guenther <rguenther@suse.de>
9790 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9791 * calls.c (expand_call): Pass fntype to hard_function_value.
9792 (emit_library_call_value_1): Likewise.
9793 * explow.c: Include target.h.
9794 (hard_function_value): Take extra argument, the fntype.
9795 Use new target hook for function_value.
9796 * expr.h (hard_function_value): Change prototype.
9797 * function.c (aggregate_value_p): Pass 0 as fntype to
9798 hard_function_value.
9799 (assign_parms): Use new target hook for function_value.
9800 Pass 0 as fntype to hard_function_value.
9801 (expand_function_end): Likewise.
9802 * reg-stack.c: Include target.h.
9803 (stack_result): Use new target hook for function_value.
9804 * target-def.h: New target hook function_value.
9805 * target.h: Likewise.
9806 * targhooks.c (default_function_value): New function.
9807 * targhooks.h (default_function_value): Declare.
9809 2005-07-13 Ian Lance Taylor <ian@airs.com>
9811 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9813 2005-07-14 Jan Hubicka <jh@suse.cz>
9815 * tree-dfa.c (dump_variable): Use default_def function.
9816 * tree-ssa-alias.c (dump_points_to_info): Likewise.
9817 * tree-ssa.c (verify_use): Likewise.
9818 * tree-ssanames.c (release_ssa_name): Likewise.
9819 * tree-tailcall.c (eliminate_tail_call): Likewise.
9820 (tree_optimize_tail_calls_1): Likewise.
9821 * tree-vrp.c (get_value_range): Likewise.
9823 2005-07-14 Ben Elliston <bje@au.ibm.com>
9825 * gcc.c (main): Compare language[0] with '*' when iterating over
9826 the infiles.
9828 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9830 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9831 "s390_emit_compare". Add handling of CCZ1mode.
9832 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9833 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9834 checking.
9835 (s390_branch_condition_mask): Add CCZ1mode handling.
9836 * config/s390/s390.md: ("seq", "*seq"): New pattern.
9837 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9838 Use CCZ1mode instead of CCZmode.
9839 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
9841 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9843 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9844 pattern.
9845 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9847 2005-07-13 Eric Christopher <echristo@redhat.com>
9849 * config/mips/mips.c (mips_canonicalize_comparison): New.
9850 (mips_emit_int_relational): Use.
9852 2005-07-13 Eric Christopher <echristo@redhat.com>
9854 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9855 static extra parts.
9856 * config/s390/s390.md: Include tpf.md. Move tpf specific
9857 patterns...
9858 * config/s390/tpf.md: To here.
9859 * config/s390/s390.opt: Move tpf specific options...
9860 * config/s390/tpf.opt: to here. Add mmain option.
9861 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9862 * config/s390/tpf.h: Rewrite.
9864 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9866 * doc/tm.texi: Remove @xref{Cross-profiling}.
9868 2005-07-13 Jeff Law <law@redhat.com>
9870 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9871 expressions, test their _DECL operands for pointer equality rather
9872 than using operand_equal_p.
9874 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9876 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9877 (TARGET_POSIX_IO): This.
9878 * config/darwin.h: Likewise.
9879 * config/freebsd.h: Likewise.
9880 * config/linux.h: Likewise.
9881 * config/lynx.h: Likewise.
9882 * config/netbsd.h: Likewise.
9883 * config/rs6000/linux64.h: Likewise.
9884 * config/rs6000/linux.h: Likewise.
9885 * config/s390/tpf.h: Likewise.
9886 * config/sh/embed-elf.h: Likewise.
9887 * config/sparc/linux64.h: Likewise.
9888 * config/sparc/linux.h: Likewise.
9889 * config/svr4.h: Likewise.
9890 * gcov-io.h: Likewise.
9892 * doc/tm.texi: Updated.
9894 * libgcov.c (create_file_directory): Defined only if
9895 TARGET_POSIX_IO is defined.
9896 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9897 is defined.
9899 2005-07-13 Jan Hubicka <jh@suse.cz>
9901 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9903 2005-07-13 David Edelsohn <edelsohn@gnu.org>
9905 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9906 structure as argument.
9908 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
9910 PR tree-optimization/21921
9911 * tree-iterator.c (tsi_link_before): Support the case when
9912 tsi_end_p (tsi) == true.
9914 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9916 PR tree-optimization/22442
9917 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9918 correctly.
9920 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9922 PR rtl-optimization/20376
9923 * toplev.c (process_options): Enable -fweb and -frename-registers when
9924 unrolling.
9925 * doc/invoke.texi: Update the information about when -fweb and
9926 -frename-registers are enabled.
9928 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9930 PR tree-opt/21840
9931 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9932 if *rhs_p is not a SSA_NAME.
9934 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
9936 Fix PR tree-optimization/22422
9937 * tree-ssa-structalias.c (struct variable_info): Add flag for
9938 special vars.
9939 (get_varinfo): Now a static function.
9940 (new_varinfo): init has_union and is_special_var to false.
9941 (solution_set_add): Check has_union.
9942 (do_da_constraint): Move temporary variable so it gets reset
9943 properly.
9944 Also check for special variable.
9945 (do_ds_constraint): Ditto.
9946 (do_sd_constraint): Ditto.
9947 (do_structure_copy): Check for special variable.
9948 (find_func_aliases): Ditto.
9949 (init_base_vars): Set special vars properly.
9951 2005-07-13 Jan Hubicka <jh@suse.cz>
9953 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9954 do unit-at-a-time.
9956 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9957 (get_expr_operands): Fix thinko wrt flags and subvars.
9959 PR tree-optimize/22379
9960 * tree-inline.c (expand_call_inline): Do not output sorry in early
9961 inlining.
9963 2005-07-12 Dale Johannesen <dalej@apple.com>
9965 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
9967 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9969 PR bootstrap/21704
9970 * host-linux.h: Include limits.h.
9972 2005-07-12 Dale Johannesen <dalej@apple.com>
9974 * expr.c (compress_float_constant): Add cost check.
9975 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
9977 2005-07-12 Dale Johannesen <dalej@apple.com>
9979 * gcc.target/i386/compress-float-sse.c: New.
9980 * gcc.target/i386/compress-float-sse-pic.c: New.
9981 * gcc.target/i386/compress-float-387.c: New.
9982 * gcc.target/i386/compress-float-387-pic.c: New.
9983 * gcc.dg/compress-float-ppc.c: New.
9984 * gcc.dg/compress-float-ppc-pic.c: New.
9986 2005-07-12 Eric Christopher <echristo@redhat.com>
9988 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9989 static extra parts.
9990 * config/s390/s390.md: Include tpf.md. Move tpf specific
9991 patterns...
9992 * config/s390/tpf.md: To here.
9993 * config/s390/s390.opt: Move tpf specific options...
9994 * config/s390/tpf.opt: to here. Add mmain option.
9995 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9996 * config/s390/tpf.h: Rewrite.
9998 2005-07-12 Eric Christopher <echristo@redhat.com>
10000 * gcc.c (struct infile): Update comment for language.
10001 (main): Rewrite input file resetting code.
10003 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
10005 PR tree-opt/22335
10006 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10007 requiring a cast in a non RHS of modify_expr. Add a cast when required.
10008 (lookup_avail_expr): Use constant_boolean_node instead
10009 of boolean_false_node/boolean_true_node.
10011 2005-07-12 Ben Elliston <bje@au.ibm.com>
10013 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10014 and use it when printing num_edges.
10016 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
10018 * doc/extend.texi (Blackfin Built-in Functions): New section.
10019 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10020 @opindex.
10022 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
10024 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10025 s/cmpstrsi/cmpstrnsi
10026 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10027 'cmpstrnsi'.
10028 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10029 (init_optabs): Initialize cmpstrn_optab.
10030 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10031 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10032 * expr.c: (enum insn_code cmpstrn_optab): Declare.
10033 * config/i386/i386.md: s/cmpstr/cmpstrn
10034 * config/c4x/c4x.md: s/cmpstr/cmpstrn
10035 * doc/md.texi: Update documentation.
10037 2005-07-11 Richard Henderson <rth@redhat.com>
10039 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10040 build_va_arg_indirect_ref.
10041 (alpha_gimplify_va_arg): Likewise.
10042 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10043 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10044 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10045 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10046 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10047 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10048 Likewise.
10049 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10051 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
10053 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10054 * passes.c (init_optimization_passes): Add pass_empty_loop.
10055 * tree-pass.h (pass_empty_loop): Declare.
10056 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10057 try_remove_empty_loop, remove_empty_loops): New functions.
10058 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10059 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10061 2005-07-12 Peter Barada <peter@the-baradas.com>
10063 PR middle-end/16719
10064 PR middle-end/18421
10065 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10066 in address registers.
10067 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10068 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10069 alternative of addsi3_5200.
10071 2005-07-11 Ian Lance Taylor <ian@airs.com>
10073 * config/mips/mips.md (ffs<mode>2): Remove.
10075 2005-07-11 Ian Lance Taylor <ian@airs.com>
10077 * doc/tree-ssa.texi (Cleanups): Improve description of
10078 TRY_FINALLY_EXPR.
10079 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10081 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10083 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10084 * tree.h (DECL_ARGUMENT_FLD): New macro.
10086 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10088 Fix PR tree-optimization/22404
10090 * tree-ssa-structalias.c (create_variable_info_for): Use
10091 correct offset.
10093 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10095 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10096 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10097 for second comparison operand.
10098 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10100 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10101 (define_insn_reservation "alu"): Likewise.
10102 (csync, ssync): Now of type sync.
10103 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10104 -mcsync-anomaly -mspecld-anomaly.
10105 * config/bfin/bfin.opt (mcsync): Remove.
10106 (mcsync-anomaly, mspecld-anomaly): Add.
10107 * config/bfin/bfin.c: Include "insn-codes.h".
10108 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10109 (TARGET_DEFAULT_TARGET_FLAGS): New.
10110 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10112 2005-07-11 Steven Bosscher <stevenb@suse.de>
10114 * basic-block.h: Give the BB flags enum a name, bb_flags.
10115 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10116 * cfgcleanup.c (enum bb_flags): Remove here.
10117 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10118 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10119 (update_forwarder_flag): Likewise.
10120 (thread_jump): Likewise.
10121 (try_forward_edges): Likewise.
10122 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10123 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10124 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10126 2005-07-11 Richard Guenther <rguenther@suse.de>
10128 * config/i386/i386.opt: New target option -msseregparm.
10129 * config/i386/i386.c (override_options): Error out for
10130 -msseregparm but no SSE support.
10131 (ix86_function_sseregparm): Check for global sseregparm.
10132 * doc/invoke.texi: Document -msseregparm.
10134 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10136 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10137 (m32rle-*-linux*): Ditto.
10139 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10141 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10142 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10143 bytes.
10145 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10147 PR middle-end/22239
10148 PR target/20126
10149 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10150 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10152 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10154 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10155 (varmap): Heapify varmap.
10156 (constraints): Heapify constraints.
10157 (struct constraint_graph): Heapify succs and preds.
10158 (constraint_vec_find): Update for heapification.
10159 (constraint_set_union): Ditto.
10160 (insert_into_complex): Ditto.
10161 (constraint_edge_vec_find): Ditto.
10162 (erase_graph_self_edge): Ditto.
10163 (add_graph_edge): Ditto.
10164 (get_graph_weights): Ditto.
10165 (merge_graph_nodes): Ditto.
10166 (build_constraint_graph): Ditto.
10167 (topo_visit): Ditto.
10168 (solve_graph): Ditto.
10169 (create_variable_info_for): Ditto.
10170 (init_base_vars): Ditto.
10171 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10172 (condese_varmap_nodes): Free complex vector.
10173 (clear_edges_for_node): Clear succs and preds vector.
10175 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10177 * tree-ssa-structalias.c (update_alias_info): Change counting of
10178 references to not include vdefs.
10180 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10182 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10183 (up_insert): Ditto.
10185 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10187 * pa.c (pa_commutative_p): Make PLUS commutative when
10188 TARGET_NO_SPACE_REGS is true.
10190 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10192 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10193 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10194 * tree-dfa.c (dump_subvars_for): New.
10195 (debug_subvars_for): New.
10196 (dump_variable): Show subvariables if VAR has them.
10197 * tree-flow-inline.h (get_subvar_at): New.
10198 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10199 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10200 Update all users.
10201 (struct subvar): Change fields offset and size to unsigned
10202 HOST_WIDE_INT.
10203 (dump_subvars_for): Declare.
10204 (debug_subvars_for): Declare.
10205 (get_subvar_at): Declare.
10206 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10207 to unsigned HOST_WIDE_INT *.
10208 (overlap_subvar): Likewise.
10209 * tree-gimple.c (is_gimple_reg): Always return false for
10210 SFTs and memory tags.
10211 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10212 Update all callers.
10213 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10214 (compute_may_aliases): Call compute_points_to_sets.
10215 (collect_points_to_info_for): Remove.
10216 (compute_points_to_and_addr_escape): Remove.
10217 (delete_alias_info): Call delete_points_to_sets.
10218 (compute_flow_sensitive_aliasing): If the call to
10219 find_what_p_points_to returns false, call set_pt_anything.
10220 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10221 (set_pt_anything): Clear pi->pt_vars.
10222 (set_pt_malloc): Remove.
10223 (merge_pointed_to_info): Remove.
10224 (add_pointed_to_expr): Remove.
10225 (add_pointed_to_var): Remove.
10226 (collect_points_to_info_r): Remove.
10227 (is_escape_site): Make extern.
10228 (create_sft): New.
10229 (create_overlap_variables_for): Call it.
10230 * tree-ssa-copy.c (merge_alias_info): Never merge
10231 flow-sensitive alias information.
10232 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10233 offset and size to be unsigned HOST_WIDE_INT.
10234 (add_to_addressable_set): Rename from note_addressable.
10235 Set TREE_ADDRESSABLE as the variables are added to the set.
10236 Update all users.
10237 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10238 operands into VUSEs when adding V_MAY_DEFs for members in an
10239 alias set.
10240 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10241 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10242 (struct variable_info): Add bitfield is_heap_var.
10243 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10244 (new_var_info): Initialize is_heap_var.
10245 (get_constraint_for): Add HEAP variables to the symbol table.
10246 Mark them with is_heap_var.
10247 (update_alias_info): New. Taken mostly from the old
10248 compute_points_to_and_addr_escape.
10249 (handle_ptr_arith): New.
10250 (find_func_aliases): Call update_alias_info.
10251 Call handle_ptr_info for tcc_binary expressions.
10252 Call mark_stmt_modified.
10253 (create_variable_info_for): If DECL has subvars, do not create
10254 variables for its subvars. Always add all the fields.
10255 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10256 SFTs, then add all the SFTs of the structure.
10257 If VI->DECL is an aggregate with subvariables, add the SFT at
10258 VI->OFFSET.
10259 (find_what_p_points_to): If VI is an artificial variable,
10260 translate to bitfields in SSA_NAME_PTR_INFO.
10261 If the solution is empty, set pi->pt_vars to NULL
10262 (init_base_vars): Create ANYOFFSET.
10263 (compute_points_to_sets): Rename from create_alias_vars.
10264 Make extern.
10265 (pass_build_pta): Remove.
10266 (delete_points_to_sets): Rename from delete_alias_vars.
10267 (pass_del_pta): Remove.
10268 * tree-ssa-structalias.h (struct alias_info): Move from
10269 tree-ssa-alias.h.
10270 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10271 NUM_REFERENCES_SET): Likewise.
10272 (compute_points_to_sets, delete_points_to_sets): Declare.
10274 2005-07-09 Richard Henderson <rth@redhat.com>
10276 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10277 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10278 alpha_split_lock_test_and_set_12): New functions.
10279 * config/alpha/alpha-protos.h: Update.
10280 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10281 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10282 * config/alpha/sync.md (I12MODE): New.
10283 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10284 (sync_<fetchop_name><I48MODE>): Likewise.
10285 (sync_nand<I48MODE>): Likewise.
10286 (sync_old_<fetchop_name><I48MODE>): Likewise.
10287 (sync_new_<fetchop_name><I48MODE>): Likewise.
10288 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10289 (sync_compare_and_swap<I48MODE>): Likewise.
10290 (sync_lock_test_and_set<I48MODE>): Likewise.
10291 (sync_compare_and_swap<I12MODE>): New.
10292 (sync_compare_and_swap<I12MODE>_1): New.
10293 (sync_lock_test_and_set<I12MODE>): New.
10294 (sync_lock_test_and_set<I12MODE>_1): New.
10296 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10298 PR 21356
10299 PR 22332
10300 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10302 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10304 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10305 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10307 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10309 PR target/21656
10310 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10312 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10314 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10315 memory_operand constraint.
10316 (store_conditional_<mode>): Same.
10317 (sync_compare_and_swap<mode>): Same.
10318 (sync_lock_test_and_set<mode>): Same.
10320 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10322 Rewrite PIC support to more closely model actual instructions.
10323 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10324 (cris_symbol): Remove prototypes for removed functions.
10325 (cris_pic_symbol_type_of, cris_valid_pic_const)
10326 (cris_expand_pic_call_address): Prototypes for new functions.
10327 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10328 variable.
10329 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10330 modifiers.
10331 <case ':'>: Add case for new punctuation character.
10332 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10333 emitting (extra) PIC modifier.
10334 <case UNSPEC>: Do not assert for PLT.
10335 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10336 (cris_expand_prologue, cris_expand_epilogue): Check
10337 for pic_offset_table_rtx usage instead of taking
10338 current_function_uses_pic_offset_table as the final word.
10339 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10340 Remove flag_pic difference.
10341 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10342 the moral equivalents of...
10343 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10344 functions.
10345 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10346 (cris_handle_option): Mark ARG as unused.
10347 (cris_expand_pic_call_address): New worker function for "call",
10348 "call_value".
10349 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10350 output PIC constructs here.
10351 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10352 as symbol-specific modifers, not whole or part of operands.
10353 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10354 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10355 constants and flag_pic.
10356 (CONSTANT_INDEX_P): Adjust for new functions.
10357 (enum cris_pic_symbol_type): New helper type.
10358 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10359 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10360 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10361 define_constants.
10362 ("movsi"): Emit actual instructions for GOT and relative access.
10363 ("*movsi_got_load"): New pattern to set up the register holding
10364 the GOT pointer.
10365 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10366 Adjust FIXME for 'S'.
10367 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10368 Use "movs" for -fpic cases.
10369 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10370 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10371 ("call", "call_value"): Just call cris_expand_pic_call_address for
10372 PIC addresses.
10373 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10374 Remove special pattern.
10375 ("*expanded_call_side", "*expanded_call_value_side"): New
10376 patterns.
10377 (gotplt-to-plt, gotplt-to-plt-side-call)
10378 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10379 peephole2:s.
10380 * config/cris/cris/predicates.md
10381 ("cris_general_operand_or_gotless_symbol"): Remove unused
10382 predicate.
10383 ("cris_general_operand_or_symbol"): Adjust for new functions.
10385 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10387 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10389 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10391 * Makefile.in (TREE_H): Add treestruct.def.
10392 (c-decl.o): Add pointer-set.h
10393 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10394 visibility on regular DECL's.
10395 (merge_decls): Fix the copying of decl nodes of various types for
10396 the new structures. Don't update RTL, section name, weak status,
10397 etc, on DECL's without RTL.
10398 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10399 Don't check volatile on non-variable types.
10400 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10401 to check whether we have seen arguments.
10402 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10403 flag is checked before field (flag is common, field is not).
10404 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10405 TS_DECL_COMMON could have an origin.
10406 (add_location_or_const_value_attribute): Don't check section name
10407 on non-var/function decls.
10408 (dwarf2out_var_location): Reverse order of tests.
10409 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10410 with DECL_WRTL_CHECK.
10411 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10412 * fold-const.c (fold_binary): Don't check weakness on
10413 non-var/function decls.
10414 (tree_expr_nonzero_p): Ditto.
10415 (fold_checksum_tree): Use tree_decl_extra as sizeof
10416 buffer.
10417 * ggc-page.c (extra_order_size_table): Add sizes for
10418 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10419 tree_field_decl.
10420 * gimplify.c (gimplify_bind_expr): Only set
10421 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10422 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10423 without RTL.
10424 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10425 * langhooks.h (init_ts). New langhook.
10426 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10427 * print-tree.c (print_node): Update to only print fields that
10428 exist in the structures the passed decl has.
10429 * toplev.c (wrapup_global_declarations): Don't reset
10430 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10431 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10432 * tree-inline.c (remap_decl): Ditto.
10433 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10434 * tree-pretty-print.c (print_declaration): Don't print
10435 DECL_REGISTER on things that don't contain it.
10436 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10437 non-var/function decls.
10438 * tree.c (tree_contains_struct): New structure.
10439 (init_priority_for_decl): New hashtable.
10440 (tree_int_map): New structure.
10441 (tree_int_map_eq): New function.
10442 (tree_int_map_marked_p): Ditto.
10443 (tree_int_map_hash): Ditto.
10444 (tree_map): Move to tree.h.
10445 (tree_map_eq): Externalize.
10446 (tree_map_hash): Ditto.
10447 (tree_map_marked_p): Ditto.
10448 (init_ttree): Set up tree_contains_struct and call langhook.
10449 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10450 (tree_code_size): Update for new structures.
10451 (tree_node_structure): Update for new structures.
10452 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10453 without the field.
10454 (copy_node_stat): Copy init priority.
10455 (build_decl_stat): Ditto for visibility.
10456 (ts_enum_names): New.
10457 (tree_contains_struct_check_failed): New function.
10458 (decl_init_priority_lookup): Ditto.
10459 (decl_init_priority_insert): Ditto.
10460 * treestruct.def: New file.
10461 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10462 (CONTAINS_STRUCT_CHECK): Ditto.
10463 (tree_contains_struct_check_failed): New prototype.
10464 (DECL_CHECK): Removed.
10465 (DECL_MINIMAL_CHECK): New.
10466 (DECL_COMMON_CHECK): Ditto.
10467 (DECL_WRTL_CHECK): Ditto.
10468 (DECL_NON_COMMON_CHECK): Ditto.
10469 (DECL_WITH_VIS_CHECK): Ditto.
10470 (VAR_OR_FUNCTION_DECL_P): Ditto
10471 (struct tree_decl_minimal): New structure.
10472 (struct tree_decl_common): Ditto.
10473 (struct tree_decl_with_rtl): Ditto.
10474 (struct tree_decl_with_vis): Ditto.
10475 (struct tree_decl_non_common): Ditto.
10476 (struct tree_field_decl): Ditto.
10477 (struct tree_parm_decl): Ditto.
10478 (struct tree_var_decl): Ditto.
10479 (struct tree_function_decl): Ditto.
10480 (struct tree_const_decl): Ditto.
10481 (struct tree_result_decl): Ditto.
10482 (union tree_node): Add new structures.
10483 * var-tracking.c (track_expr_p): Reverse order of tests.
10485 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10487 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10489 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10490 * system.h: Poison FINALIZE_PIC.
10491 * doc/tm.texi (FINALIZE_PIC): Remove.
10493 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10495 PR tree-opt/22329
10496 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10497 to the correct type if we have a MODIFY_EXPR.
10499 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10501 PR tree-optimization/22360
10502 * tree.c (upper_bound_in_type): Fix calculations for casting
10503 to a non-wider signed type and casting a signed value to a
10504 wider unsigned type.
10505 (lower_bound_in_type): Fix calculations for casting to a
10506 non-wider signed type.
10508 PR tree-optimization/20139
10509 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10510 release_defs.
10511 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10512 fold_cond_expr_cond.
10513 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10514 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10516 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10518 PR tree-opt/22356
10519 * tree-complex.c (expand_complex_libcall): Produce
10520 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10522 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10524 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10525 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10526 b" assert and inserted fastpath code for this case.
10527 (bitmap_ior): Removed "a != b" assert.
10529 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10531 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10532 (ENDFILE_SPEC): Likewise.
10533 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10535 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10536 a large stack frame at epilogue.
10538 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10540 * final.c: Include sdbout.h when required.
10542 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10544 * config.gcc (*-*-darwin*): Only one target-specific header file
10545 for generic darwin.
10546 (powerpc-*-darwin*): Add version-specific header files.
10547 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10548 * config.in: Regenerate.
10549 * configure: Regenerate.
10550 * gcc.c: Include xregex.h.
10551 (version_compare_spec_function): New.
10552 (spec_function): Add version-compare.
10553 (replace_outfile_spec_function): Reformat comment.
10554 (compare_version_strings): New.
10555 * config/darwin-c.c (version_as_macro): New.
10556 (builtin_define): New.
10557 (darwin_cpp_builtins): New.
10558 * config/darwin-protos.h (darwin_cpp_builtins): New.
10559 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10560 (LIB_SPEC): Make unconditional, update comment.
10561 (TARGET_C99_FUNCTIONS): Define.
10562 * config/darwin.opt: Sort.
10563 (mmacosx-version-min=): New.
10564 * config/darwin7.h: Delete.
10565 * config/darwin8.h: Delete.
10566 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10567 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10568 (TARGET_C99_FUNCTIONS): Define.
10569 * config/rs6000/darwin7.h: New.
10570 * config/rs6000/darwin8.h: New.
10571 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10572 (-mmacosx-version-min): Document.
10574 2005-07-07 Ian Lance Taylor <ian@airs.com>
10576 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10578 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10580 PR middle-end/22239
10581 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10583 2005-07-07 Khem Raj <kraj@mvista.com>
10585 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10586 in bytes, not words.
10588 2005-07-07 Paul Brook <paul@codesourcery.com>
10590 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10591 DEFAULT_FUNCTION_ARG_PADDING to upward.
10593 2005-07-07 Richard Henderson <rth@redhat.com>
10595 * function.c (locate_and_pad_parm): Record parameter alignment in
10596 stack_alignment_needed.
10598 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10600 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10601 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10602 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10603 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10604 (define_attr "type"): Add isync, sync, load_l, store_c.
10605 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10606 Create scratch volatile MEM.
10607 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
10608 sync.
10609 (load_locked_<mode>): New.
10610 (store_conditional_<mode>): New.
10611 (sync_compare_and_swap<mode>): Replace with splitter.
10612 (sync_lock_test_and_set<mode>): Replace with splitter.
10613 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10614 and UNSPECV_ISYNC.
10615 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
10616 is ics. Attribute isync.
10617 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
10618 lwsync.
10619 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10620 and UNSPECV_SYNC_OP.
10621 (emit_unlikely_jump): New.
10622 (emit_load_locked): New.
10623 (emit_store_conditional): New.
10624 (rs6000_split_compare_and_swap): New.
10625 (rs6000_split_lock_test_and_set): New.
10626 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10627 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10628 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10629 rs6000_split_lock_test_and_set): Declare.
10630 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10631 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10632 store_c, isync, sync.
10634 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
10636 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10637 filenames to gtyp-gen.h.
10638 (s-typ-gen): Use it in place of for loops.
10640 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
10642 * hooks.c (hook_bool_rtx_int_false): New function.
10643 * hooks.h (hook_bool_rtx_int_false): Declare.
10644 * target-def.h (TARGET_COMMUTATIVE_P): Define.
10645 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10646 * target.h (struct gcc_target): Add commutative_p member.
10647 * targhooks.c (hook_bool_rtx_commutative_p): New function.
10648 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10649 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10650 (pa_commutative_p): New function.
10651 * jump.c (target.h): Include.
10652 (rtx_renumbered_equal_p): Use targetm.commutative_p.
10653 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10655 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10657 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10658 (s390_expand_setmem): New.
10659 * config/s390/s390.c: Likewise.
10660 (print_shift_count_operand): Truncate to 12 bits instead of 6.
10661 Adapt comments.
10662 * config/s390/s390.md: ("setmem<mode>"): Accept character as
10663 general_operand. Call new function "s390_expand_setmem".
10664 ("clrmem_long", "*clrmem_long"): Rewrite to ...
10665 ("setmem_long", "*setmem_long"): ... this.
10667 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10669 * config/s390/s390.c: (optimization_options): Enable
10670 TARGET_MVCLE at -Os.
10671 * doc/invoke.texi: Document changes in default behaviour.
10672 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10674 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10676 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10677 defined by back-end.
10679 2005-07-07 Jakub Jelinek <jakub@redhat.com>
10681 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10682 all sets in the pattern.
10683 * config/rs6000/rs6000.md (stack_protect_testsi,
10684 stack_protect_testdi): Likewise.
10686 2005-07-06 Jeff Law <law@redhat.com>
10688 * tree-vrp.c (simplify_using_ranges): Kill.
10689 (vrp_finalize): Remove call to simplify_using_ranges.
10690 (simplify_stmt_using_ranges): New function extracted from
10691 simplify_using_ranges.
10692 (simplify_div_or_mod_using_ranges): Likewise.
10693 (simplify_abs_using_ranges): Likewise.
10694 (simplify_cond_using_ranges): New function.
10695 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10696 * tree-ssa-propagate.c (substitute_and_fold): Call
10697 simplify_stmt_using_ranges if we have range information.
10699 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10701 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10702 ia64_flag_schedule_isns2.
10704 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10705 reading/writing general registers.
10706 (ia64_function_arg): Revert 2005-06-18 change.
10708 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
10710 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10711 (legitimize_tls_address): Use gcc_unreachable instead of abort.
10713 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
10715 * function.c (expand_function_end): Revert part of 2005-06-27
10716 patch. Do sjlj_emit_function_exit_after after return_label.
10718 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10720 * doc/install.texi (--disable-libssp): New.
10722 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
10724 * doc/invoke.texi: Update -fforce-mem documentation.
10725 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10726 code for -fforce-mem.
10727 * expmed.c: (store_bit_field,store_fixed_bit_field,
10728 extract_bit_field): Ditto.
10729 * expr.c: (convert_move): Ditto.
10730 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10731 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10732 emit_conditional_add,expand_float,expand_fix): Ditto.
10733 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10734 (common_handle_option): Issue warning when -fforce-mem specified.
10736 2005-07-06 Paul Brook <paul@codesourcery.com>
10738 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10739 argument is empty.
10740 * configure: Regenerate.
10742 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
10744 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10746 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
10748 Fix PR tree-optimization/22319
10749 Fix PR tree-optimization/22140
10750 Fix PR tree-optimization/22310
10752 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10753 variable sized types.
10754 Use correct type for intermediate structure on *a = *b structure
10755 copies.
10757 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10759 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10760 Remove.
10761 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10762 (machine_function): Move typedef to...
10763 * config/rs6000/rs6000.c (machine_function): ... here. Add
10764 varargs_save_offset field.
10765 (rs6000_stack_t): Remove varargs_size field.
10766 (setup_incoming_varargs): Allocate varargs save area using
10767 assign_stack_local, try to make it as small as possible.
10768 Save offset from virtual_stack_vars_rtx to the save area
10769 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
10770 instead of magic 8 when fp word byte size is used.
10771 (rs6000_va_start): Use cfun->machine->varargs_save_offset
10772 instead of -RS6000_VARARGS_SIZE.
10773 (rs6000_stack_info, debug_stack_info,
10774 rs6000_initial_elimination_offset): Remove all traces of
10775 varargs_size.
10776 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10777 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10778 RS6000_VARARGS_AREA.
10780 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10782 PR tree-optimization/21963
10783 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10784 constant_multiple_of in the same way get_computation_cost_at does.
10786 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10788 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10789 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10790 (gen_compare_reg): If sparc_compare_emitted is set, clear it
10791 and return its previous value.
10792 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10793 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10794 constants.
10795 (stack_protect_set, stack_protect_test): New expanders.
10796 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10797 stack_protect_testdi): New insns.
10798 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10799 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10801 2005-07-06 Jeff Law <law@redhat.com>
10803 * tree-ssa-dce.c (cfg_altered): New global.
10804 (tree_dce_init): Initialize cfg_altered.
10805 (remove_dead_stmt): If we remove an edge in the CFG, then set
10806 CFG_ALTERED.
10807 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10808 the dominators.
10810 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10812 * Makefile.in (stamp-collect-ld): Use
10813 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
10814 ./collect-ld if it already exists.
10815 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10816 Don't remove ./nm if it already exists.
10818 2005-07-05 Devang Patel <dpatel@apple.com>
10820 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10821 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10822 * tree-vectorizer.c (vect_loop_location): New.
10823 (vect_print_dump_info): Use vect_loop_location.
10824 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10825 (vectorize_loops): Set vect_loop_location.
10826 * tree-vect-analyze.c (vect_analyze_offset_expr,
10827 vect_determin_vectorization_factor, vect_analyze_operations,
10828 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10829 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10830 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10831 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10832 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10833 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10834 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10835 vect_analyze_loop): Adjust vect_print_dump_info API.
10836 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10837 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10838 vect_finish_stmt_generation, vectorizable_assignment,
10839 vectorizable_operation, vectorizable_store, vectorizable_load,
10840 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10841 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10842 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10843 vect_transform_loop): Same.
10844 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10845 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10846 Same.
10848 2005-07-05 Randolph Chung <tausq@debian.org>
10850 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10851 * configure: Regenerate.
10852 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10853 (pa_tls_referenced_p): Declare.
10854 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10855 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10856 (legitimize_tls_address): New.
10857 (hppa_legitimize_address): Handle TLS addresses.
10858 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10859 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10860 (emit_move_sequence): Handle TLS addresses.
10861 (pa_encode_section_info): Call default handler to handle common
10862 sections.
10863 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10864 (CONSTANT_ADDRESS_P): Reject TLS operands.
10865 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10866 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10867 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10868 (UNSPEC_TLSLE): Define new constants.
10869 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10870 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10871 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10872 (tie_symbolic_operand, tle_symbolic_operand): New
10874 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
10876 * aclocal.m4: Update macros for autoconf 2.59 style.
10877 * configure.ac: Likewise.
10879 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10881 * pa.c (function_value): Handle small aggregates on 32-bit targets.
10882 (function_arg): Pass small aggregates in general registers on 32-bit
10883 targets.
10884 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10886 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
10888 * Makefile.in (final.o): Fix dependencies.
10890 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10892 PR c/22013
10893 PR c/22098
10894 * langhooks.h (struct lang_hooks): Add expr_to_decl.
10895 * langhooks.c (lhd_expr_to_decl): New.
10896 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10897 New.
10898 (LANG_HOOKS_INITIALIZER): Update.
10899 * tree.c (recompute_tree_invarant_for_addr_expr): Call
10900 expr_to_decl langhook.
10901 * c-tree.h (c_expr_to_decl): Declare.
10902 * c-typeck.c (c_expr_to_decl): New.
10903 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10904 specially.
10905 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10907 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10909 PR c/22308
10910 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10911 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10913 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
10915 * Makefile.in: Adjust dependencies.
10916 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10917 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10918 * alias.c (rest_of_handle_cfg, pass_cfg): New.
10919 * bb-reorder.c (duplicate_computed_gotos): Make it static.
10920 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10921 rest_of_compilation.
10923 * bb-reorder.c (gate_duplicate_computed_gotos,
10924 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10925 rest_of_handle_reorder_blocks, pass_reorder_blocks,
10926 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10927 pass_partition_blocks): New.
10928 * bt-load.c (gate_handle_branch_target_load_optimize,
10929 rest_of_handle_branch_target_load_optimize,
10930 pass_branch_target_load_optimize): New.
10931 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10932 pass_jump2): New.
10933 * cfglayout.c (pass_insn_locators_initialize): New.
10934 * cfgrtl.c (pass_free_cfg): New.
10935 * combine.c (gate_handle_combine, rest_of_handle_combine,
10936 pass_combine): New.
10937 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10938 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10939 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10940 * except.c (pass_set_nothrow_function_flags,
10941 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10942 pass_rtl_eh): New.
10943 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10944 rest_of_handle_shorten_branches, pass_shorten_branches,
10945 rest_of_clean_state, pass_clean_state): New.
10946 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10947 rest_of_handle_remove_death_notes, pass_remove_death_notes,
10948 rest_of_handle_life, pass_life, rest_of_handle_flow2,
10949 pass_flow2): New.
10950 * function.c (pass_instantiate_virtual_regs, pass_init_function,
10951 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10952 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10953 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10954 pass_gcse): New.
10955 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10956 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10957 pass_rtl_ifcvt, gate_handle_if_after_combine,
10958 rest_of_handle_if_after_combine, pass_if_after_combine,
10959 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10960 pass_if_after_reload): New.
10961 * integrate.c (pass_initial_value_sets): New.
10962 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10963 pass_purge_lineno_notes): New.
10964 * mode-switching.c (rest_of_handle_mode_switching,
10965 pass_mode_switching): New.
10966 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10967 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10968 pass_loop2): New.
10969 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10970 pass_loop_optimize): New.
10971 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10972 pass_sms): New.
10973 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10974 pass_gcse2): New.
10975 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10976 pass_postreload_cse): New.
10977 * profile.c (gate_handle_profiling, pass_profiling,
10978 rest_of_handle_branch_prob, pass_branch_prob): New.
10979 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10980 pass_split_before_regstack, gate_handle_split_before_regstack,
10981 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10982 rest_of_handle_split_all_insns, pass_split_all_insns): New.
10983 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10984 pass_stack_regs): New.
10985 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10986 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10987 pass_stack_adjustments): New.
10988 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10989 pass_regrename): New.
10990 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10991 pass_delay_slots, gate_handle_machine_reorg,
10992 rest_of_handle_machine_reorg, pass_machine_reorg): New.
10993 * rtl.h (extern void purge_line_number_notes): New.
10994 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10995 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10996 pass_sched2): New.
10997 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10998 pass_tracer): New.
10999 * value-prof.c (gate_handle_value_profile_transformations,
11000 rest_of_handle_value_profile_transformations,
11001 pass_value_profile_transformations): New.
11002 * var-tracking.c (gate_handle_var_tracking,
11003 pass_variable_tracking): New.
11004 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11006 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11007 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11008 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11009 rest_of_handle_old_regalloc, rest_of_handle_regrename,
11010 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11011 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11012 rest_of_handle_gcse2, rest_of_handle_regmove,
11013 rest_of_handle_tracer, rest_of_handle_if_conversion,
11014 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11015 rest_of_handle_web, rest_of_handle_branch_prob,
11016 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11017 rest_of_handle_jump_bypass, rest_of_handle_combine,
11018 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11019 rest_of_handle_gcse, rest_of_handle_loop_optimize,
11020 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11021 rest_of_handle_mode_switching, rest_of_handle_jump,
11022 rest_of_handle_eh, rest_of_handle_stack_adjustments,
11023 rest_of_handle_flow2, rest_of_handle_jump2,
11024 rest_of_handle_peephole2, rest_of_handle_postreload,
11025 rest_of_handle_shorten_branches, rest_of_clean_state,
11026 rest_of_compilation): Remove.
11028 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11029 * passes.c (dump_flags, in_gimple_form, all_passes,
11030 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11031 register_dump_files, next_pass_1, last_verified, execute_todo,
11032 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11033 from tree-optimize.c.
11034 (init_optimization_passes): Moved from tree-optimize.c,
11035 adding the RTL optimizations.
11036 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11037 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11038 all_ipa_passes, all_lowering_passes, register_one_dump_file,
11039 register_dump_files, next_pass_1, last_verified, execute_todo,
11040 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11041 init_tree_optimization_passes, ipa_passes): Delete.
11042 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11043 the RTL dumps.
11044 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11045 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11046 from tree.h.
11047 (ipa_passes): Remove.
11048 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11049 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11050 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11051 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11052 (dump_info_p, dump_flag): Moved to tree-dump.h.
11054 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11055 cgraph.c, opts.c.
11056 * passes.c (finish_optimization_passes): Use dump_begin
11057 and dump_end, TDI_end.
11058 (gate_rest_of_compilation): New.
11059 (pass_rest_of_compilation): Use it.
11060 (gate_postreload, pass_postreload): New.
11061 * toplev.c (general_init): Rename init_tree_optimization_passes.
11062 * toplev.h (init_tree_optimization_passes): Rename to
11063 init_optimizations_passes.
11064 * tree-dump.c (dump_flag): Make static.
11065 (dump_files): Remove RTL dumps.
11066 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11067 pass_cleanup_cfg, pass_free_cfg_annotations,
11068 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11069 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11070 * tree-pretty-print.c: Include tree-pass.h.
11071 * cgraph.c: Include tree-dump.h.
11073 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11075 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11076 Only fall back to saying it points to readonly memory if
11077 we can't do better.
11079 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11081 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11082 * config/m32r/m32r.c (m32r_compute_frame_size,
11083 m32r_expand_prologue): Take current_function_profile into
11084 account whenever we reference
11085 current_function_uses_pic_offset_table.
11086 (m32r_finalize_pic): Remove.
11087 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11089 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11091 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11092 instead of $<. Don't remove ./as if it already exists.
11094 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11096 PR target/21723
11097 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11098 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11099 for complex modes when generating code for PA 1.0.
11100 (VALID_FP_MODE_P): New macro.
11101 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11102 sets for all general and floating point modes. Align wide floating
11103 point modes to even register boundaries to comply with architectural
11104 requirements.
11105 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11106 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11107 (VALID_FP_MODE_P): New macro.
11108 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11109 sets for all general and floating point modes. Align wide floating
11110 point modes to even register boundaries to comply with architectural
11111 requirements.
11113 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11115 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11116 to 0.
11118 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11120 * tree-ssa-structalias.c: Don't include expr.h.
11122 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11124 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11125 comments.
11127 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11129 Fix PR tree-optimization/22279
11131 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11132 correct operator.
11134 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11136 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11138 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11140 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11141 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11142 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11143 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11144 config/stormy16/stormy16.c, config/v850/v850.c,
11145 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11146 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11147 Avoid "." or "\n" at end of diagnostics and capital letters at
11148 start of diagnostics.
11149 * combine.c, cse.c: Don't translate dump file output.
11150 * toplev.c (print_version): Only translate output if going to
11151 stderr.
11153 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11155 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11156 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11157 typos.
11159 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11161 * pa.c (fix_range): Fix typo in comment.
11163 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11165 * tree-vrp.c (extract_range_from_assert): Replace
11166 fold (build (...)) with fold_build2.
11168 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11170 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11171 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11172 (format_types_orig, handle_format_attribute): Add support for
11173 format "gcc_gfc".
11175 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11177 * varasm.c (assemble_variable): Fix format specifier thinko.
11179 2005-07-03 Ira Rosen <irar@il.ibm.com>
11181 PR tree-optimization/22029 (and 22135)
11182 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11183 a phi node before calling dump_vops.
11185 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11187 * tree-dump.h (dump_string_field): Declare.
11188 * tree-dump.c: Use it instead of dump_string.
11189 (dump_string_field): Make non-static.
11191 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11193 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11194 up the minimal CFG stuff always when optimize > 0. Call
11195 split_all_insns_noflow in PIC case if needed.
11197 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11198 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11200 PR c++/18279
11201 * c-decl.c (c_write_global_declarations): Dump contents of
11202 external scope to.
11203 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11204 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11205 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11206 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11207 is enabled.
11209 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11211 * c-common.h (GCC_DIAG_STYLE): Define.
11212 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11213 version for format checking to 4.1.
11214 * c-format.c: Include toplev.h after c-common.h.
11215 (enum format_type): Add gcc_tdiag_format_type.
11216 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11217 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11218 (format_types_orig): Add gcc_tdiag.
11219 (init_dynamic_diag_info): Support gcc_tdiag formats.
11220 (handle_format_attribute): Likewise.
11221 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11222 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11223 version for format checking to 4.1.
11224 (warning0, warning, error, pedwarn, sorry): Use
11225 ATTRIBUTE_GCC_DIAG.
11226 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11227 (finish_aliases_1): Do not use %qE.
11228 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11229 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11230 Correct format bugs.
11231 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11232 parameter to unsigned HOST_WIDE_INT.
11233 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11235 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11237 PR middle-end/21742
11238 * expr.c (write_complex_part): Use adjust_address for MEM.
11239 (read_complex_part): Same.
11241 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11243 Fix PR tree-optimization/22280
11245 * tree-sra.c (generate_element_init): Remove useless loop.
11247 2005-07-02 Richard Henderson <rth@redhat.com>
11249 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11250 TLS_MODEL_NONE.
11251 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11253 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11255 PR middle-end/14490
11256 * fold-const.c (fold_binary): Handle the return value of
11257 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11258 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11260 2005-07-02 Jeff Law <law@redhat.com>
11262 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11263 a eliminate type conversion which feeds an equality comparison
11264 if the original type or either operand in the comparison is a
11265 function pointer.
11267 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11269 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11270 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11271 texts.
11272 * config/avr/avr.c: Do not use '`' as left quote.
11273 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11274 Remove "." from end of diagnostics. Make diagnostics start with
11275 lowercase letter.
11277 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11278 Joseph S. Myers <joseph@codesourcery.com>
11280 * toplev.c (default_tree_printer): Handle setting location with
11281 '+' flag.
11282 * c-objc.common.c (c_tree_printer): Likewise.
11283 * c-format.c (gcc_diag_flag_specs): Add '+'.
11284 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11285 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11286 formats.
11287 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11288 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11289 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11290 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11291 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11292 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11293 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11294 format arguments where %J is used without %D.
11296 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11298 * gcc.c (LINK_SSP_SPEC): Define.
11299 (link_ssp_spec): New variable.
11300 (LINK_COMMAND_SPEC): Add %(link_ssp).
11301 (static_specs): Add link_ssp_spec.
11302 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11303 * configure: Rebuilt.
11304 * config.in: Rebuilt.
11306 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11307 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11308 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11309 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11310 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11311 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11312 -0x7008(2) instead of reading __stack_chk_guard variable.
11313 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11314 number.
11315 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11316 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11317 if TARGET_THREAD_SSP_OFFSET is defined.
11318 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11319 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11321 Revert:
11322 2005-06-27 Richard Henderson <rth@redhat.com>
11323 * libgcc-std.ver (GCC_4.1.0): New.
11324 * libgcc.h (__stack_chk_guard): Declare.
11325 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11326 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11327 * mklibgcc.in (lib2funcs): Add them.
11329 2005-07-01 Richard Henderson <rth@redhat.com>
11331 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11332 void * before struct sigcontext *.
11333 (x86_fallback_frame_state): Likewise.
11335 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11337 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11339 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11341 PR tree-opt/22269
11342 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11343 we check for SSA_NAME for.
11345 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11347 Fix PR tree-optimization/22071
11349 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11350 function.
11351 (get_constraint_for_component_ref): Use it.
11353 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11355 PR other/22264
11356 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11357 print out the last new line.
11359 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11361 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11362 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11363 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11364 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11365 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11366 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11367 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11368 (enum reg_class): New member CC0_REGS.
11369 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11370 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11371 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11372 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11373 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11374 Adjust for register now described.
11376 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11378 PR target/22262
11379 * config/i386/i386.md (stack_protect_test_si,
11380 stack_protect_test_di): Add earlyclobber for scratch 3.
11381 * config/rs6000/rs6000.md (stack_protect_testsi,
11382 stack_protect_testdi): Add earlyclobber for scratch 3,
11383 remove earlyclobber from scratch 4.
11385 Older entries for 2005 can be found in ChangeLog-2005.