1 2005-12-09 Thiemo Seufer <ths@networkno.de>
3 * config/mips/mips.c (override_options): Don't allow too small
4 integers in FP registers.
6 2005-12-09 Ulrich Weigand <uweigand@de.ibm.com>
8 * config/s390/s390.c (s390_function_ok_for_sibcall): Use
9 targetm.binds_local_p to check for local function calls.
11 2005-12-09 Alan Modra <amodra@bigpond.net.au>
14 * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
15 call_used_regs can't be used to save reg in another reg.
17 2005-12-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
20 * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
22 * except.c (output_ttype): Likewise.
23 * tree-object-size.c (collect_object_sizes_for): Likewise.
24 (check_for_plus_in_loops_1): Likewise.
25 (check_for_plus_in_loops): Likewise.
26 (compute_object_sizes): Use gcc_unreachable instead of abort.
28 2005-12-08 Nathan Sidwell <nathan@codesourcery.com>
30 * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
31 (loop_end, loop_init, doloop_end): New insns.
32 * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
33 (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
34 (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
35 (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
36 * config/ms1/ms1.c: #include basic-block.h
37 (struct machine_function): Add has_loops field.
39 (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
40 (struct loop_info, struct loop_work): New.
41 (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
42 (ms1_reorg_loops): New loop optimization.
43 (ms1_machine_reorg): Call it.
44 * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
46 2005-12-08 Zdenek Dvorak <dvorakz@suse.cz>
48 PR tree-optimization/25248
49 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
50 evolution_of_loop from the failed attempt. Remove handling
53 2005-12-08 Gabriel Dos Reis <gdr@integrable-solutions.net>
55 * tree.h (DECL_EXTERNAL): Clarify documentation.
57 2005-12-08 Andreas Krebbel <krebbel1@de.ibm.com>
58 Jakub Jelinek <jakub@redhat.com>
61 * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
62 argument. Don't drop outer ANDs.
63 (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
64 * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
66 * config/s390/predicates.md (setmem_operand): Remove.
67 (shift_count_operand): Rename to...
68 (shift_count_or_setmem_operand): ... this. Adjust
69 s390_decompose_shift_count caller.
70 * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
71 ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
72 ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
73 <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
74 rotl<mode>3_and, setmem_long_and): New insns.
75 (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
76 ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
77 <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
78 <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
79 of shift_count_operand.
80 (setmem_long): Use shift_count_or_setmem_operand instead of
83 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
84 Andreas Tobler <a.tobler@schweiz.ch>
86 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
89 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
91 * expr.c (force_operand): Use convert_to_mode for conversions.
93 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
95 * reload.h (reg_equiv_invariant): Declare.
96 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
97 register also when reg_equiv_invariant[R] is set.
99 2005-12-07 Richard Sandiford <richard@codesourcery.com>
100 Andreas Tobler <a.tobler@schweiz.ch>
102 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
104 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
106 * tree-ssa-pre.c (bitmap_set_and): New function.
107 (bitmap_set_and_compl): New function.
108 (bitmap_set_empty_p): New function.
109 (insert_extra_phis): New function.
110 (compute_avail): Use insert_extra_phis.
112 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
114 * config/s390/s390.c (s390_expand_atomic): New function.
115 Adjust comment of helper functions.
116 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
117 * config/s390/s390.md ("ATOMIC"): New code macro.
118 ("atomic"): Corresponding new code attribute.
119 ("sync_lock_test_and_set[hq]i",
120 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
122 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
124 * config/s390/s390.c (s390_expand_mask_and_shift,
125 struct alignment_context, init_alignment_context,
126 s390_expand_cs_hqi): New.
127 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
128 * config/s390/s390.md ("sync_compare_and_swaphi",
129 "sync_compare_and_swapqi"): New pattern.
131 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
133 Fix PR tree-optimization/25291
134 * tree-ssa-operands.c (add_call_clobber_ops): Remove
135 redundant and crashing check.
137 2005-12-08 Alan Modra <amodra@bigpond.net.au>
140 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
141 tests further when !strict && reload_in_progress.
142 (print_operand): Check that both operands of indexed address are regs.
143 (print_operand_address): Likewise.
144 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
145 (INT_REG_OK_FOR_BASE_P): Correct.
147 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
149 Preparation for PR rtl-optimization/20070 / part1
150 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
151 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
152 outgoing_edges_match.
153 (outgoing_edges_match): Use condjump_equiv_p.
154 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
156 * struct-equiv.c: New file.
157 (death_notes_match_p) New function, broken out of insns_match_p.
158 * Makefile.in (OBJS-common): Add struct-equiv.o.
159 (struct-equiv.o): New target.
161 2005-12-07 Richard Sandiford <richard@codesourcery.com>
163 * coretypes.h: Revert previous change.
164 * config/darwin.h: Revert previous reversion.
165 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
167 2005-12-07 Richard Sandiford <richard@codesourcery.com>
169 * coretypes.h (section): Provide dummy definition for target files.
170 * config/darwin.h: Revert previous change.
172 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
174 * doc/sourcebuild.texi (all.build, install-normal): Remove.
175 * configure.ac: Remove all.build and install-normal from target_list
176 * configure: Regenerate.
177 * Makefile.in (install): Don't depend on install-normal.
179 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
181 * Makefile.in: Document the use of stamps.
183 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
185 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
186 * Makefile.in: Add code to compute some dependencies on s-gtype
187 automatically. Remove the declaration of those dependencies.
189 2005-12-07 Richard Sandiford <richard@codesourcery.com>
191 * gcc/reload.c (push_secondary_reload): Fix typo:
192 s/insn_constraint/scratch_constraint/.
194 2005-12-07 Richard Sandiford <richard@codesourcery.com>
196 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
198 2005-12-07 Richard Sandiford <richard@codesourcery.com>
200 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
201 (alpha_elf_select_rtx_section): Return the selected section rather
202 than emitting assembly code.
203 (alpha_write_linkage): Emit a ".link" directive directly and then
204 set in_section to NULL.
205 (vms_asm_out_constructor): Use switch_to_section.
206 (vms_asm_out_destructor): Likewise.
207 (unicosmk_output_common): Set in_section to NULL instead of calling
208 the dummy common_section function.
209 (unicosmk_text_section): Delete in favor of...
210 (unicosmk_output_text_section_asm_op): ...this new function.
211 (unicosmk_data_section): Delete in favor of...
212 (unicosmk_output_data_section_asm_op): ...this new function.
213 (unicosmk_init_sections): New function.
214 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
215 (unicosmk_output_ssib): Set in_section to NULL instead of calling
216 the dummy ssib_section function.
217 (unicosmk_section_buf): Delete.
218 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
219 (unicosmk_data_section): Delete.
220 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
221 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
222 (SECTION_FUNCTION_TEMPLATE): Delete.
223 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
224 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
225 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
226 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
227 (TARGET_ASM_INIT_SECTIONS): Define.
228 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
229 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
230 (link_section, literals_section): Delete.
231 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
232 set in_section to NULL.
234 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
235 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
236 (COMMON_SECTION): Delete.
237 (TARGET_ASM_INIT_SECTIONS): Define.
238 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
239 the dummy common_section function.
240 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
241 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
242 between readonly_data_section and text_section to check whether
243 read-only data is being put in the text section.
244 (arm_output_function_epilogue): Use switch_to_section.
245 (arm_elf_asm_constructor): Likewise.
246 (thumb_call_via_reg): Replace call to in_text_section with
247 a comparison between in_section and text_section.
248 (arm_file_end): Use switch_to_section.
249 (aof_text_section): Delete in favor of...
250 (aof_output_text_section_asm_op): ...this new function.
251 (aof_data_section): Delete in favor of...
252 (aof_output_data_section_asm_op): ...this new function.
253 (aof_asm_init_sections): New function.
254 (zero_init_section): Moved from config/arm/aof.h.
255 (aof_dump_imports, aof_file_start): Use switch_to_section.
256 * config/arm/arm.h (thumb_call_via_label): Update comment.
257 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
258 (common_section): Delete.
259 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
260 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
261 global switch_to_section function instead of the old port-local one.
262 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
263 (SWITCH_TO_SECTION_FUNCTION): Delete.
264 (drectve_section): Redefine as a macro.
265 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
266 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
269 * config/avr/avr.c (progmem_section): New variable.
270 (avr_output_progmem_section_asm_op): New function.
271 (avr_asm_init_sections): New function.
272 (avr_output_addr_vec_elt): Use switch_to_section.
273 * config/avr/avr.h (progmem_section): Declare.
274 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
275 (READONLY_DATA_SECTION): Delete.
276 (TARGET_ASM_INIT_SECTIONS): Define.
277 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
278 * config/avr/avr-protos.h (progmem_section): Delete.
280 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
282 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
283 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
285 * config/darwin-sections.def: New file.
286 * config/darwin.c: Define all sections in darwin-sections.def.
287 (output_objc_section_asm_op, darwin_init_sections): New functions.
288 (machopic_output_indirection): Use switch_to_section.
289 (machopic_select_section): Return the selected section rather than
290 emitting assembly code. Replace the static function table with
291 inline conditional expressions. Update the tests of last_text_section
292 and move them into the FUNCTION_DECL block.
293 (machopic_select_rtx_section): Return the selected section rather than
294 emitting assembly code.
295 (machopic_asm_out_constructor, machopic_asm_out_destructor)
296 (darwin_file_end): Use switch_to_section.
297 * config/darwin.h: Use darwin-sections.def to declare sections.
298 (INIT_SECTION_ASM_OP): Remove empty definition.
299 (HAS_INIT_SECTION): Define this instead.
300 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
301 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
302 (TARGET_ASM_EH_FRAME_SECTION): Delete.
303 (TARGET_ASM_INIT_SECTIONS): Define.
304 * config/darwin-protos.h (darwin_init_sections): Declare.
305 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
306 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
307 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
308 (constructor_section, destructor_section, mod_init_section): Delete.
309 (mod_term_section): Delete.
310 (darwin_exception_section, darwin_eh_frame_section): Delete.
311 (machopic_select_section): Return a section.
312 (machopic_select_rtx_section): Likewise.
313 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
314 (const_section, const_coal_section, const_data_section): Delete.
315 (const_data_coal_section, data_coal_section, cstring_section): Delete.
316 (literal4_section, literal8_section, constructor_section): Delete.
317 (mod_init_section, mod_term_section, destructor_section): Delete.
318 (objc_class_section, objc_meta_class_section, objc_category_section)
319 (objc_class_vars_section, objc_instance_vars_section): Delete.
320 (objc_cls_meth_section, objc_inst_meth_section): Delete.
321 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
322 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
323 (objc_symbols_section, objc_module_info_section): Delete.
324 (objc_image_info_section, objc_protocol_section): Delete.
325 (objc_string_object_section, objc_constant_string_object_section)
326 (objc_class_names_section, objc_meth_var_names_section): Delete.
327 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
328 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
329 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
330 (darwin_exception_section, darwin_eh_frame_section): Delete.
331 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
333 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
334 (frv_asm_out_destructor): Likewise.
335 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
336 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
337 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
339 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
340 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
341 (data_section): Delete.
343 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
344 (DRECTVE_SECTION_FUNCTION): Delete.
345 (drectve_section): Redefine as a macro that sets in_section after
346 emitting the directive.
347 (SWITCH_TO_SECTION_FUNCTION): Delete.
348 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
349 in_text_section with comparison between in_section and text_section.
350 * config/i386/i386.c (x86_64_elf_select_section): Return the section
351 rather than emitting assembly code. Use get_named_section.
352 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
354 (machopic_output_stub): Use switch_to_section.
355 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
356 (nwld_named_section_asm_out_destructor): Use get_section and
359 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
360 rather than emitting assembly code.
361 (ia64_rwreloc_select_section): Likewise.
362 (ia64_rwreloc_select_rtx_section): Likewise.
363 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
364 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
366 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
367 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
369 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
370 section rather than emitting assembly code.
371 (iq2000_select_section): Likewise.
372 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
373 (sbss_section): Delete.
375 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
376 and get_named_section.
377 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
379 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
380 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
381 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
382 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
384 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
385 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
386 global switch_to_section function instead of the old port-local one.
387 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
388 (SWITCH_SECTION_FUNCTION): Delete.
389 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
390 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
391 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
392 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
394 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
395 global switch_to_section function instead of the old port-local one.
396 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
398 * config/mips/mips.c (mips_file_start): Update comment.
399 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
400 (mips_output_aligned_decl_common): Use switch_to_section.
401 (mips_select_rtx_section): Return the section rather than emitting
402 assembly code. Use get_named_section.
403 (mips_function_rodata_section: Likewise get_section.
404 (build_mips16_function_stub): Use switch_to_section.
405 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
406 (SDATA_SECTION_ASM_OP): Delete.
407 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
408 (EXTRA_SECTION_FUNCTIONS): Delete.
410 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
411 (mmix_asm_output_aligned_local): Use switch_to_section.
413 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
414 (som_one_only_readonly_data_section): New variables.
415 (pa_output_function_epilogue): Set in_section to NULL instead of
416 calling forget_section.
417 (output_deferred_plabels): Use select_section.
418 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
419 of calling forget_section.
420 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
421 (pa_asm_output_aligned_local): Use select_section.
422 (som_text_section_asm_op): Delete in favor of...
423 (som_output_text_section_asm_op): ...this new function.
424 (pa_som_asm_init_sections): New function.
425 (pa_select_section): Return the section rather than emitting
427 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
428 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
429 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
430 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
431 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
432 (som_readonly_data_section, som_one_only_readonly_data_section)
433 (som_one_only_data_section, forget_section): Delete.
434 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
435 (TARGET_ASM_INIT_SECTIONS): Define.
436 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
438 * config/rs6000/rs6000.c (read_only_data_section): New variable.
439 (private_data_section, read_only_private_data_section): New variables.
440 (sdata2_section, toc_section): New variables.
441 (rs6000_file_start): Use switch_to_section.
442 (rs6000_assemble_integer): Use comparisons against in_section
443 instead of calling in_toc_section and in_text_section. Use
444 unlikely_text_section_p.
445 (rs6000_elf_output_toc_section_asm_op): New function, derived
446 from the old rs6000/sysv4.h toc_section function.
447 (rs6000_elf_asm_init_sections): New function.
448 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
449 the section rather than emitting assembly code.
450 (machopic_output_stub): Use switch_to_section.
451 (toc_section): Delete dummy function.
452 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
453 switch_to_section and get_section.
454 (rs6000_xcoff_output_readonly_section_asm_op): New function.
455 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
456 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
457 the old rs6000/xcoff.h toc_section function.
458 (rs6000_xcoff_asm_init_sections): New function.
459 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
460 the section rather than emitting assembly code.
461 (rs6000_xcoff_file_start): Use switch_to_section.
462 (rs6000_xcoff_file_end): Likewise.
463 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
464 (sdata2_section, sbss_section, private_data_section): Delete.
465 (read_only_data_section, read_only_private_data_section): Delete.
466 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
467 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
468 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
469 (FINI_SECTION_FUNCTION): Delete.
470 (TARGET_ASM_INIT_SECTIONS): Define.
471 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
472 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
473 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
474 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
475 (READONLY_DATA_SECTION): Delete.
476 (TARGET_ASM_INIT_SECTIONS): Define.
477 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
478 to NULL rather than no_section.
479 (TARGET_ASM_EXCEPTION_SECTION): Delete.
481 * config/sh/sh.c (sh_file_start): Use switch_to_section.
483 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
484 (sparc_output_deferred_case_vectors): Likewise. Remove argument
485 from call to current_function_section.
487 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
488 (bss100_section): New variable.
489 (xstormy16_asm_output_aligned_common): Use switch_to_section.
490 (xstormy16_asm_init_sections): New function.
491 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
492 switch_to_section and get_section.
493 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
494 from calls to current_function_section.
495 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
496 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
497 (TARGET_ASM_INIT_SECTIONS): Define.
498 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
500 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
501 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
502 (FINI_SECTION_FUNCTION): Delete.
504 * config/v850/v850.c: Include gt-v850.h.
505 (rosdata_section, rozdata_section, tdata_section, zdata_section)
506 (zbss_section): New variables.
507 (v850_output_aligned_bss): Use switch_to_section.
508 (v850_asm_init_sections): New function.
509 (v850_select_section): Return the section rather than emitting
511 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
512 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
513 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
514 (TARGET_ASM_INIT_SECTIONS): Define.
515 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
516 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
517 (zbss_section): Delete.
519 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
521 * config/vx-common.h (vxworks_exception_section): Delete.
522 (TARGET_ASM_EXCEPTION_SECTION): Delete.
524 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
525 section rather than emitting assembly code.
526 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
529 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
530 * coretypes.h (section): New union and typedef.
531 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
532 from call to current_function_section.
533 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
534 (dbxout_symbol_location): Use switch_to_section.
535 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
536 most of the code into...
537 (default_eh_frame_section): ...here. Return a section.
538 (collect2_eh_frame_section): Delete, moving most of the code into..
539 (switch_to_eh_frame_section): ...this new function.
540 (debug_info_section, debug_abbrev_section, debug_aranges_section)
541 (debug_macinfo_section, debug_line_section, debug_loc_section)
542 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
544 (output_call_frame_info): Call switch_to_eh_frame_section instead of
545 eh_frame_section. Use switch_to_section and get_section.
546 (dwarf2out_begin_prologue): Use switch_to_section.
547 (AT_string_form): Check the flags in debug_str_section instead of
548 DEBUG_STR_SECTION_FLAGS.
549 (output_comp_unit): Use switch_to_section, get_section, and
551 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
552 (dwarf2out_begin_block): Use switch_to_section. Remove argument
553 from call to current_function_section.
554 (dwarf2out_var_location): Use unlikely_text_section_p.
555 (dwarf2out_source_line): Use switch_to_section. Remove argument
556 from call to current_function_section.
557 (dwarf2out_start_source_file, dwarf2out_end_source_file)
558 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
559 debug_macinfo_section.
560 (dwarf2out_init): Initialize the new section variables. Use them
561 instead of calls to named_section_flags. Use switch_to_section.
562 (output_indirect_string): Use switch_to_section and debug_str_section.
563 (dwarf2out_finish): Use switch_to_section and the new section
565 * except.c (default_exception_section): Return the section instead
566 of emitting assembly code.
567 (output_function_exception_table): Use the global exception_section
568 variable instead of the target hook. Use switch_to_section. Remove
569 argument from call to current_function_section.
570 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
571 (shorten_branches): Use pointer comparisons to detect whether the
572 text section is the same as readonly_data_section.
573 (profile_function): Use switch_to_section. Remove argument from
574 call to current_function_section.
575 (final_scan_insn): Likewise. Update use of last_text_section.
576 * gengtype.c (open_base_files): Add an include of output.h.
577 * output.h (text_section, data_section, readonly_data_section)
578 (ctors_section, dtors_section, bss_section, init_section)
579 (fini_section, sdata_section): Turn into section pointers.
580 (in_text_section, in_unlikely_text_section, exports_section)
581 (drectve_section, named_section, mergeable_string_section)
582 (last_text_section_name): Delete.
583 (default_exception_section, default_eh_frame_section): Return sections.
584 (SECTION_DECLARED, SECTION_NAMED): New macros.
585 (SECTION_MACH_DEP): Bump value.
586 (section_common, named_section, unnamed_section): New structures.
587 (unnamed_section_callback): New typedef.
588 (section): New union.
589 (sbss_section, exception_section, eh_frame_section): New variables.
590 (in_section, last_text_section): Turn into section pointers.
591 (get_unnamed_section, get_section, get_named_section): New functions.
592 (mergeable_constant_section, function_section): Return a section.
593 (unlikely_text_section): Likewise.
594 (current_function_section): Likewise. Remove the decl argument.
595 (unlikely_text_section_p, switch_to_section): New functions.
596 (output_section_asm_op): New function.
597 (set_named_section_flags, named_section_flags, named_section_real)
598 (named_section_first_declaration): Delete.
599 (default_select_section, default_elf_select_section): Return a section.
600 (default_elf_select_section_1, default_function_rodata_section)
601 (default_no_function_rodata_section, default_select_rtx_section)
602 (default_elf_select_rtx_section): Likewise.
603 * rtl.h (in_data_section): Delete.
604 * sdbout.c (sdbout_one_type): Use switch_to_section.
605 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
606 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
607 (TARGET_ASM_EH_FRAME_SECTION): Poison.
608 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
609 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
610 (TARGET_ASM_OUT): Update after above changes.
611 * target.h (init_sections): New hook.
612 (exception_section, eh_frame_section): Delete.
613 (select_section, select_rtx_section, function_rodata_section): Return
614 a section rather than emitting assembly code.
615 * varasm.c (text_section, data_section, readonly_data_section)
616 (ctors_section, dtors_section, bss_section, init_section)
617 (fini_section): Turn into section pointers.
618 (sdata_section, sbss_section, exception_section): New variables.
619 (eh_frame_section): New variable.
620 (in_section): Make global and turn into a section pointer.
621 (last_text_section): Turn into a section pointer.
622 (unnamed_sections): New variable.
623 (in_named_name, last_text_section_name): Delete.
624 (EXTRA_SECTION_FUNCTIONS): Delete.
625 (in_named_entry): Delete.
626 (section_htab): New variable, replacing...
627 (in_named_htab): ...this deleted variable.
628 (section_entry_eq, section_entry_hash): New functions, based on...
629 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
630 (get_unnamed_section, get_section): New functions.
631 (unlikely_text_section): Return a section instead of emitting
633 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
634 (get_named_section_flags, named_section_first_declaration): Delete.
635 (unlikely_text_section_p): New function.
636 (named_section_real, named_section): Delete.
637 (get_named_section): New function.
638 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
639 (function_section): Return a section rather than emitting
641 (current_function_section): Likewise. Remove argument. Use
642 last_text_section if nonnull, otherwise use function_section.
643 (default_function_rodata_section): Return a section rather than
644 emitting assembly code. Use get_section.
645 (default_no_function_rodata_section): Return a section rather than
646 emitting assembly code.
647 (variable_section): Use switch_to_section and get_named_section.
648 (mergeable_string_section): Return a section rather than emitting
649 assembly code. Use get_section. Make static. Don't take special
650 countermeasures for empty strings.
651 (mergeable_constant_section): Return a section rather than emitting
652 assembly code. Use get_section.
653 (default_named_section_asm_out_destructor): Use switch_to_section
655 (default_dtor_section_asm_out_destructor): Use switch_to_section.
656 (default_named_section_asm_out_constructor): Use switch_to_section
658 (default_ctor_section_asm_out_constructor): Use switch_to_section.
659 (assemble_start_function): Likewise. Set last_text_section to
660 NULL rather than no_section. Change the type of save_section.
661 (assemble_zeros, assemble_variable): Use the section flags to detect
662 whether or not a section is text.
663 (assemble_static_space): Use switch_to_section.
664 (assemble_trampoline_template): Likewise.
665 (output_constant_def_contents): Use switch_to_section and
667 (output_constant_pool_1): Use switch_to_section. Use the section
668 flags to see whether sections contain mergeable data.
669 (init_varasm_once): Initialize section_htab instead of in_named_htab.
670 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
671 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
672 whether a section has already been declared.
673 (default_select_section, default_elf_select_section): Return a
674 section rather than emitting assembly code.
675 (default_elf_select_section_1): Likewise. Use bss_section for
676 SECCAT_BSS if nonnull. Use get_named_section.
677 (default_select_rtx_section): Return a section rather than
678 emitting assembly code.
679 (default_elf_select_rtx_section): Likewise. Use get_named_section.
680 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
681 (output_section_asm_op, switch_to_section): New functions.
682 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
685 * doc/tm.texi: Expand the introduction to the sections documentation.
686 (TRAMPOLINE_SECTION): Document new interface.
687 (SDATA_SECTION_ASM_OP): Document new macro.
688 (READONLY_DATA_SECTION): Delete.
689 (SDATA_SECTION_ASM_OP): Document new macro.
690 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
691 (TARGET_ASM_INIT_SECTIONS): Document new hook.
692 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
693 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
694 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
696 2005-12-07 Alan Modra <amodra@bigpond.net.au>
698 * gcc.c (init_gcc_specs): Match braces inside conditionally
701 2005-12-06 Geoffrey Keating <geoffk@apple.com>
703 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
705 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
708 * tree.c (integer_all_onesp): Always return true if all bits on.
710 * testsuite/g++.dg/init/array0.C: New.
712 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
714 * doc/md.texi: Adapt to implementation.
716 2005-12-06 Andreas Schwab <schwab@suse.de>
718 * opts.c (decode_options): Fix typo in message.
720 2005-12-06 Alan Modra <amodra@bigpond.net.au>
723 * longlong.h: Merge PPC tests from upstream.
725 2005-12-06 Richard Guenther <rguenther@suse.de>
727 * fold-const.c (fold_convert): Do not build and fold
728 CONVERT_EXPR, but always use NOP_EXPR.
730 2005-12-06 Jan Beulich <jbeulich@novell.com>
732 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
733 __builtin_ia32_paddq and __builtin_ia32_subq.
734 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
735 __builtin_ia32_pshufw.
736 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
738 2005-12-05 James E Wilson <wilson@specifix.com>
741 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
744 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
746 * print-tree.c (print_node): Ditto.
747 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
748 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
749 before accessing DECL_ARTIFICIAL.
750 Handle new tag tree codes.
751 * tree-flow-inline.h (clear_call_clobbered): Update for tag
753 (unmodifiable_var_p): Ditto.
754 * tree-flow.h (mem_tag_kind): Remove.
755 (struct var_ann_d): Remove mem_tag_kind member.
756 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
757 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
758 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
759 (group_aliases): Ditto.
760 (setup_pointers_and_addressables): Ditto.
761 (is_escape_site): Ditto.
762 (may_alias_p): Ditto.
763 (create_tag_raw): New function.
764 (create_memory_tag): Use it.
765 (dump_alias_info): Update for tags.
766 (may_be_aliased): Ditto.
767 (add_type_alias): Ditto.
768 (new_type_alias): Ditto.
770 (create_structure_vars): Ditto.
771 * tree-ssa-ccp.c (get_default_value): Ditto.
772 * tree-ssa-operands.c (get_expr_operands): Ditto.
773 (add_stmt_operand): Ditto.
774 (add_call_clobber_ops): Remove duplicated condition.
775 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
777 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
778 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
779 * tree.c (init_ttree): Update structures for new tree codes.
780 (tree_code_size): Update sizes for new tree codes.
781 (make_node_stat): Don't try to set common things on minimal
783 (tree_node_structure): Update for tags.
784 (is_global_var): Ditto.
785 * tree.def: Add new tree codes.
786 * tree.h (MTAG_P): New macro.
787 (TREE_MEMORY_TAG_CHECK): Ditto.
788 (SSA_VAR_P): Update for tags.
789 (struct tree_memory_tag): New structure.
790 (MTAG_GLOBAL): New macro.
791 (union tree_node): Add memory tag member.
792 * treestruct.def (TS_MEMORY_TAG): New.
794 2005-12-05 Dale Johannesen <dalej@apple.com>
796 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
797 what was approved (PR 24323).
799 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
801 * doc/c-tree.texi (Function Bodies): Remove description of
804 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
806 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
807 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
808 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
809 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
810 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
813 2005-12-05 Geoffrey Keating <geoffk@apple.com>
815 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
817 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
818 hook_bool_void_false.
819 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
820 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
822 * config/darwin.c (machopic_select_section): It's not defined
823 as weak if it's only marked as weak_import.
825 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
828 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
829 A hidden weak object does bind locally. Strong linkonce data
830 counts like any other strong symbol for binding.
831 (weak_finish_1): Don't specially handle weakrefs, they no longer
833 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
834 * c-common.c (handle_alias_attribute): Allow static aliases
836 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
837 * gthr-dce.h: Make weakrefs static.
838 * gthr-tpf.h: Likewise.
839 * gthr-solaris.h: Likewise.
840 * gthr-posix.h: Likewise.
841 * gthr-posix95.h: Likewise.
842 * config/darwin.c (darwin_encode_section_info): static weakref
843 variables are not necessarily defined in this translation unit.
844 * doc/extend.texi (Function Attributes): Mention that an alias
845 attribute creates a definition for the thing it's attached to.
846 Change the documentation for weakref to say that the thing
847 it's attached to must be static.
849 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
850 we don't go into an infinite loop.
852 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
854 * config/rs6000/predicates.md (logical_const_operand): Split
855 out of logical_operand.
856 (logical_operand): Use it.
857 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
858 logical_const_operand.
860 2005-12-05 Jan Beulich <jbeulich@novell.com>
862 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
863 and IX86_BUILTIN_CMPNESS.
864 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
865 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
866 * config/i386/i386.md (movti_internal): Correct type attribute.
867 Simplify mode attribute.
868 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
869 Correct type attribute.
870 (absxf2): Correct operator.
871 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
872 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
873 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
875 (sse2_vmsqrtv2df2): Correct mode attribute.
877 2005-12-05 Jan Beulich <jbeulich@novell.com>
879 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
880 16 bits. Provide insn pattern for this case.
882 2005-12-05 Jan Beulich <jbeulich@novell.com>
884 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
886 (__popcountDI2): Likewise.
888 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
891 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
892 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
893 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
896 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
898 * c-typeck.c (null_pointer_constant_p): New function.
899 (build_conditional_expr, build_c_cast, convert_for_assignment,
900 build_binary_op): Use it.
902 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
904 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
905 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
907 (check_function_arguments_recurse): Allow both NOP_EXPR and
908 CONVERT_EXPR but check conversions preserve precision.
909 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
910 but check conversions preserve precision.
911 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
914 2005-12-04 Roger Sayle <roger@eyesopen.com>
917 * common.opt (Wstring-literal-comparison): New command line option.
918 * c-opts.c (c_common_handle_option): Set it with -Wall.
919 * c-typeck.c (parser_build_binary_op): Issue warning if either
920 operand of a comparison operator is a string literal, except for
921 testing equality or inequality against NULL.
923 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
925 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
927 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
928 of building a NOP_EXPR.
929 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
931 * c-convert.c (convert): Use fold_convert instead of building
932 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
933 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
935 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
936 NOP_EXPR the same as CONVERT_EXPR.
937 * c-typeck.c (build_function_call): Use fold_convert instead of
938 building a NOP_EXPR directly.
939 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
941 2005-12-03 Alan Modra <amodra@bigpond.net.au>
943 PR rtl-optimization/25197
944 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
947 2005-12-02 Stuart Hastings <stuart@apple.com>
949 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
952 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
954 * c-typeck.c (default_function_array_conversion,
955 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
956 (build_conditional_expr): Apply integer_zerop to orig_op1 and
957 orig_op2. Don't check them for NOP_EXPR.
958 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
961 2005-12-03 Alan Modra <amodra@bigpond.net.au>
963 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
964 toc_save_offset, toc_size, lr_size.
965 (rs6000_stack_info): Use memset rather than bss struct copy to init.
966 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
967 Adjust for removal of unused rs6000_stack_t fields.
968 (debug_stack_info): Adjust.
969 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
970 first, and don't bother checking for set/inc of lr on sibcalls.
971 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
973 2005-12-02 Jakub Jelinek <jakub@redhat.com>
976 * config/i386/i386.md (movqi_1): Only force imovx for alternative
977 5 if operand 1 is not aligned. Undo previous constraint change.
978 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
980 2005-12-02 Richard Guenther <rguenther@suse.de>
982 * tree.h (build): Remove prototype.
983 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
984 * tree.c (build): Remove.
985 (build0_stat): Update comment.
987 2005-12-02 Richard Guenther <rguenther@suse.de>
989 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
990 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
992 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
993 maybe_fold_offset_to_component_ref): Likewise.
994 * tree-ssa-dom.c (thread_across_edge,
995 simplify_rhs_and_lookup_avail_expr,
996 find_equivalent_equality_comparison, record_equivalences_from_stmt):
998 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
999 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1000 lower_try_finally_switch): Likewise.
1001 * tree-if-conv.c (add_to_dst_predicate_list,
1002 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1003 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1004 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1005 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1006 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1007 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1008 gimplify_init_ctor_eval, gimplify_init_constructor,
1009 gimplify_variable_sized_compare, gimplify_boolean_expr,
1010 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1011 gimplify_expr, gimplify_body, gimplify_function_tree,
1012 force_gimple_operand): Likewise.
1013 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1014 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1015 mx_register_decls): Likewise.
1016 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1017 get_frame_field, finalize_nesting_tree_1): Likewise.
1018 * tree-inline.c (setup_one_parameter): Likewise.
1019 * tree-vect-transform.c (vectorizable_condition): Likewise.
1020 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1022 * tree-profile.c (tree_gen_edge_profiler): Likewise.
1023 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1024 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1025 * tree-chrec.h (build_polynomial_chrec): Likewise.
1027 2005-12-02 Richard Guenther <rguenther@suse.de>
1029 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1030 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1031 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1032 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1033 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1034 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1035 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1037 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1038 sh_adjust_unroll_max): Likewise.
1039 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1040 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1041 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1043 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1045 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1048 2005-12-02 Richard Guenther <rguenther@suse.de>
1050 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1051 simplify_cond_using_ranges): Use buildN instead of build.
1052 * tree-tailcall.c (adjust_accumulator_values,
1053 adjust_return_value): Likewise.
1054 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1055 generate_element_copy, generate_element_zero,
1056 generate_one_element_init): Likewise.
1057 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1058 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1059 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1060 perfect_nestify): Likewise.
1062 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1064 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1066 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
1068 * ggc.h (GGC_RESIZEVEC): New.
1070 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1072 * gcc.c (execute): Improve readability.
1074 2005-12-02 Richard Guenther <rguenther@suse.de>
1076 * tree-cfg.c (mark_used_vars): New function.
1077 (dump_function_to_file): Dump only used VAR_DECLs.
1079 2005-12-02 Richard Guenther <rguenther@suse.de>
1081 * convert.c (convert_to_integer): Fix compare for nonpositive
1082 constant to use tree_int_cst_sgn <= 0.
1084 2005-12-02 Richard Guenther <rguenther@suse.de>
1086 * convert.c (convert_to_integer): Use fold_convert instead
1087 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1088 instead of comparing against 0. Use build_int_cst instead
1089 of converting integer_zero_node.
1091 2005-12-02 Richard Guenther <rguenther@suse.de>
1093 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1096 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1099 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1102 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1105 * function.c (expand_function_end): Emit blockage for unwinder
1108 2005-12-01 Roger Sayle <roger@eyesopen.com>
1110 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1111 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1112 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1113 integer constant comparisons.
1115 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1116 Janis Johnson <janis187@us.ibm.com>
1117 David Edelsohn <dje@watson.ibm.com>
1118 Ben Elliston <bje@au.ibm.com>
1120 * dfp.h, dfp.c: New files.
1121 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1122 (DECNUM_H): Likewise.
1123 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1124 (INCLUDES): Append $(DECNUMINC).
1125 (OBJS-common): Add dfp.o.
1127 * real.h (EXP_BITS): Pinch one bit to ..
1128 (struct real_value): Add decimal field.
1129 (real_format): Change table size, update documentation.
1130 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1131 (real_from_string3): Declare.
1132 (decimal_single_format): Declare.
1133 (decimal_double_format): Declare.
1134 (decimal_quad_format): Declare.
1135 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1136 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1137 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1138 * real.c: Include dfp.h.
1139 (normalize): Early return for decimal floats.
1140 (do_add): Zero decimal field.
1141 (do_compare): Call do_decimal_compare for decimal floats.
1142 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1143 (real_arithmetic): Call decimal_real_arithmetic for decimal
1144 floating point operands.
1145 (real_identical): If a and b are of differing radix, return false.
1146 (real_to_integer): Call decimal_real_to_integer if the value is a
1148 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1149 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1150 (real_to_hexadecimal): Place "N/A" in the return string for
1152 (real_from_string3): New variant, given a mode.
1153 (real_maxval): Use decimal_real_maxval for decimal floats.
1154 (round_for_format): Use decimal_round_for_format for decimals.
1155 (real_convert): Use decimal_real_convert where appropriate.
1156 (significand_size): Handle base 10.
1157 (encode_decimal_single, decode_decimal_single,
1158 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1159 decode_decimal_quad): New functions.
1160 (decimal_single_format): New.
1161 (decimal_double_format): New.
1162 (decimal_quad_format): New.
1163 * machmode.def: Add SD, DD and TD decimal floating point modes.
1164 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1165 Include MODE_DECIMAL_FLOAT.
1166 (DECIMAL_FLOAT_MODE_P): New.
1167 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1168 * genmodes.c (struct mode_data): Add counter field.
1169 (struct mode_data): Update comment for format.
1170 (blank_mode): Initialise counter field.
1171 (new_mode): Increment counter field for each mode defined.
1172 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1174 (make_complex_modes): Handle modes containing `D'.
1175 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1176 (make_decimal_float_mode): New.
1177 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1178 (cmp_modes): Compare counter field if other characteristics
1180 (emit_real_format_for_mode): Support formats for decimal floats.
1181 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1182 Document MODE_DECIMAL_FLOAT.
1184 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1186 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1189 2005-12-01 Richard Henderson <rth@redhat.com>
1191 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1193 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1195 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1197 * config/pa/pa.c (pa_init_builtins): If we detect
1198 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1201 2005-12-01 Richard Guenther <rguenther@suse.de>
1203 * fold-const.c (fold_binary): Use fold_build2, not
1206 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1208 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1210 * vec.h (VEC_block_remove): New.
1212 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1215 * c-common.c (lvalue_error): Fix wording.
1217 2005-12-01 Richard Guenther <rguenther@suse.de>
1219 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1220 thinko in last patch.
1222 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1224 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1225 than -flat_namespace.
1227 2005-12-01 Ben Elliston <bje@au.ibm.com>
1229 * mklibgcc.in: Parameterise the script to build soft float
1230 functions by iterating over each type, rather than cloning the
1233 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * builtins.c (fold_builtin_fputs): Defer check for missing
1237 replacement functions.
1239 2005-11-30 Kean Johnston <jkj@sco.com>
1241 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1242 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1244 2005-11-30 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/22501
1247 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1248 function split out from ...
1249 (forward_propagate_addr_expr): ... here. Use it to propagate
1250 ADDR_EXPRs to all uses.
1252 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1254 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1255 * builtins.c (expand_builtin_mathfn): Use them.
1256 (expand_builtin_mathfn_2): Likewise.
1257 (expand_builtin_mathfn_3): Likewise.
1258 (expand_builtin_int_roundingfn): Likewise.
1259 (expand_builtin): Likewise.
1260 (integer_valued_real_p): Likewise.
1261 (fold_builtin_int_roundingfn): Likewise.
1262 (fold_builtin_bitop): Likewise.
1263 (fold_builtin_logarithm): Likewise.
1264 (fold_builtin_1): Likewise.
1265 * convert.c (convert_to_integer): Likewise.
1266 * fold-const.c (negate_mathfn_p): Likewise.
1267 (tree_expr_nonnegative_p): Likewise.
1269 2005-11-30 Dale Johannesen <dalej@apple.com>
1270 Andrew Pinski <pinskia@physics.uc.edu>
1272 * combine.c (find_split_point): Sign extend bitmask
1273 when changing bitfield assignment to IOR of AND.
1275 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1277 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1278 clobber to scratch reg.
1279 (*decrement_and_branch_until_zero_no_clobber): Remove.
1280 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1281 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1282 * config/ms1/ms1.opt (mmul): Remove.
1283 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1284 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1286 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1287 Bernd Schmidt <bernd.schmidt@analog.com>
1289 * pa/predicates.md (symbolic_operand): Add comment.
1290 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1291 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1292 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1293 (pa_secondary_reload_class): Delete.
1294 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1295 and pa_secondary_reload_class. Reorder some checks. Update inline
1296 copy of symbolic operand.
1297 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1299 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1301 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1304 2005-11-30 Jeff Law <law@redhat.com>
1306 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1307 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1309 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1311 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1312 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1313 (ia64_expand_move): Adjust caller.
1315 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1316 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1319 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1321 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1322 Always produce an output if we can remove NEGs or canonicalize
1323 (minus (minus ...)) expressions. Provide a fast path for the
1325 (simplify_gen_binary): Do not call simplify_plus_minus.
1326 (simplify_binary_operation_1): Reassociate at the end of the
1329 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1331 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1332 moves and unpack to speed up.
1334 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1336 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1337 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1338 (gen_v9_scc): Update callers.
1339 * config/sparc/sparc.md: Likewise.
1340 * config/sparc/sparc-protos.h: Update extern declaration.
1342 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1344 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1346 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1349 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1351 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1352 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1353 (negate_expr): Here.
1355 2005-11-29 Ben Elliston <bje@au.ibm.com>
1357 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1358 Fix typo in comment.
1360 2005-11-29 Ben Elliston <bje@au.ibm.com>
1362 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1363 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1365 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * builtins.c (init_target_chars): New.
1370 (expand_builtin_printf, expand_builtin_fprintf,
1371 expand_builtin_sprintf, fold_builtin_sprintf,
1372 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1373 fold_builtin_snprintf_chk, fold_builtin_printf,
1374 fold_builtin_fprintf): Check for matching format strings using
1377 2005-11-29 Paul Brook <paul@codesourcery.com>
1379 * config.gcc: Do not use fixproto on m68k-elf.
1381 2005-11-28 Roger Sayle <roger@eyesopen.com>
1383 * expmed.c (div_cost): Replace with...
1384 (sdiv_cost, udiv_cost): New.
1385 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1386 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1387 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1388 (expand_divmod): Replace use of div_cost with either sdiv_cost
1389 or udiv_cost depending upon the signedness of the operation.
1391 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1394 * config/darwin.c (machopic_indirection_name,
1395 machopic_output_indirection): Follow transparent alias chain.
1397 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1399 * varasm.c (ultimate_transparent_alias_target): Add comment.
1401 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1403 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1404 SET_SRC instead of XEXP where appropriate.
1406 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1408 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1411 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1413 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1414 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1417 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1419 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1420 secondary_input_reload_class, made static. Adapt to new
1422 (secondary_output_reload_class): Delete.
1423 (TARGET_SECONDARY_RELOAD): New macro.
1424 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1425 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1427 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1430 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1431 when its natural alignment is > BITS_PER_UNIT.
1432 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1433 * c-common.c (handle_packed_attribute): Ignore packing on a field
1434 whose type is naturally char aligned.
1436 2005-11-28 Richard Guenther <rguenther@suse.de>
1438 * c-common.c (strict_aliasing_warning): Handle all
1439 component-ref like accesses.
1441 2005-11-28 Roger Sayle <roger@eyesopen.com>
1442 Uros Bizjak <uros@kss-loka.si>
1445 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1446 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1447 when flag_unsafe_math_optimizations is set and
1448 we don't care about NaNs or Infinities.
1450 Move x/expN(y) and x/pow(y,z) transformation into common
1451 flag_unsafe_math_optimizations section.
1453 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1455 * gcc.c (main): Change type of argv to "char **".
1457 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1459 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1460 small data sections.
1461 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1462 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1463 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1464 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1465 output locals to sbss if !rs6000_elf_in_small_data_p.
1466 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1468 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1471 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1472 generated by reload.
1473 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1474 indexed_or_indirect_address.
1475 (indexed_or_indirect_address): Don't test for base reg. Call
1476 address_operand last. Make it a special predicate.
1478 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1480 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1482 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1485 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1487 (negate_expr): Likewise.
1489 2005-11-27 Andreas Schwab <schwab@suse.de>
1491 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1494 2005-11-27 Steven Bosscher <stevenb@suse.de>
1496 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1497 has EH predecessor edges.
1499 2005-11-26 Eric Christopher <echristo@apple.com>
1501 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1502 register stalls by zero extending to the full register.
1504 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1506 * config/floatunsisf.c, config/floatunsidf.c,
1507 config/floatunsixf.c, config/floatunsitf.c: New files.
1508 * config/ia64/t-hpux: Add floatunsitf.c.
1509 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1510 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1512 2005-11-26 Richard Henderson <rth@redhat.com>
1514 * c-lex.c (pragma_lex): Rename from c_lex.
1515 * c-pch.c: Update for pragma_lex rename.
1516 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1517 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1518 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1519 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1520 * doc/tm.texi: Likewise.
1522 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1525 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1526 when overflow is undefined.
1528 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1530 * doc/md.texi (Insn Canonicalizations): Refer to the
1531 function commutative_operand_precedence for further rules.
1533 2005-11-25 Roger Sayle <roger@eyesopen.com>
1536 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1537 is less than zero. Limit mult_cost to a reasonable upper bound for
1538 the synthetic multiplication sequence.
1540 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1544 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1545 Lookup the explicit replacement functions for any unlocked
1546 stdio builtin transformations.
1548 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
1550 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1552 * targhooks.c (default_secondary_reload): Don't require operand 2
1553 for an input reload to be earlyclobber.
1555 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1557 * fold-const.c (negate_mathfn_p): Fix comment and add support
1558 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1561 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1564 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1565 _Q_ulltoq for unsigned conversions from SImode and DImode to
1568 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1570 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1571 (__floatundidf, __floatundisf): Likewise.
1573 2005-11-25 David Edelsohn <edelsohn@gnu.org>
1575 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1576 (rs6000_override_options): Remove initialization of
1577 rs6000_sr_alias_set.
1578 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1579 (rs6000_emit_stack_tie): Same.
1580 (emit_frame_save): Same.
1581 (gen_frame_mem_offset): Same.
1582 (rs6000_emit_prologue): Same.
1583 (rs6000_emit_epilogue): Same.
1585 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1588 * fold-const.c (fold_build): Convert bool_var != 1 and
1589 bool_var == 0 to !bool_var.
1591 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1594 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1595 for C being INTEGER_CST. Likewise for !=.
1597 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1600 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1601 unsigned conversions from SImode to TFmode.
1603 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1605 * expr.c (expand_expr_real_1): Fix error in last change.
1607 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1609 * caller-save.c: (this_insn_sets): Move into:
1610 (save_call_clobbered_regs).
1611 (mark_set_regs): Get this_insn_sets from data.
1613 (save_call_clobbered_regs): Take sets of the return value by
1614 sibcalls into account.
1616 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1619 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1620 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1621 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1622 (memory_move_secondary_cost, init_reg_autoinc): Remove
1623 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1624 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1625 secondary_reload_class call.
1626 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
1628 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1629 (push_secondary_reload): Use secondary_reload target hook.
1630 (secondary_reload_class, scratch_reload_class): New functions.
1631 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1632 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
1633 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1634 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1635 (secondary_reload_class, scratch_reload_class): Declare.
1636 * reload1.c: Include target.h.
1637 (reload_adjust_reg_for_temp): New function.
1638 (reload_adjust_reg_for_icode): Likewise.
1639 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1640 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1642 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
1643 for inheritance. Support case when both secondary & tertiary reloads
1644 are for intermediate registers.
1645 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1646 with secondary_reload_class call. Support case when both secondary
1647 & tertiary reloads are for intermediate registers.
1648 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1649 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1650 * target.h (secondary_reload_info): New struct / typedef.
1651 (struct gcc_target): New member secondary_reload.
1652 * targhooks.c Include reload.h, optabs.h and recog.h.
1653 (default_secondary_reload): New function.
1654 * targhooks.h (default_secondary_reload): Declare.
1655 * doc/tm.texi: Document secondary_reload target hook. Update
1656 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1657 * doc/md.texi: Likewise.
1659 * sh-protos.h (sh_secondary_reload): Declare.
1660 * sh.c (TARGET_SECONDARY_RELOAD): Override.
1661 (sh_secondary_reload): New function.
1662 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1663 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1664 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1665 (HAVE_SECONDARY_RELOADS): Define.
1666 * sh.md (reload_indf): Rename to:
1668 (reload_outdf): Rename to:
1669 (reload_outdf__RnFRm).
1670 (reload_insf): Rename to:
1672 (reload_insi): Rename to:
1673 (reload_insi__i_fpul).
1675 2005-11-24 Uros Bizjak <uros@kss-loka.si>
1677 * configure.ac: Require at least texinfo 4.4.
1678 * configure: Regenerate.
1680 * doc/install.texi (Tools/packages necessary for building GCC):
1681 Update required version of texinfo to at least 4.4.
1682 (Installing GCC: Building): Update required version of texinfo
1684 (Installing GCC: Final installation): Update required version
1685 of texi2dvi to at least 4.4.
1686 (Host/target specific installation notes for GCC): Update required
1687 version of texinfo to at least 4.4.
1689 2005-11-24 Richard Guenther <rguenther@suse.de>
1690 Dirk Mueller <dmueller@suse.de>
1693 * c-common.h (strict_aliasing_warning): Declare.
1694 * c-common.c (strict_aliasing_warning): New function,
1696 * c-typeck.c (build_c_cast): ... here.
1698 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1700 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1702 (swap_commutative_operands_with_target): New.
1704 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1706 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1707 also when doing PRE, rather than only for global CPROP.
1709 2005-11-24 Ben Elliston <bje@au.ibm.com>
1711 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1712 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1714 (expand_twoval_unop): Likewise.
1715 (widen_clz): Likewise.
1716 (expand_parity): Likewise.
1717 (expand_unop): Likewise.
1718 (emit_cmp_and_jmp_insn_1): Likewise.
1719 (prepare_float_lib_cmp): Likewise.
1721 2005-11-24 Ben Elliston <bje@au.ibm.com>
1723 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1724 Remove unused `class' variable.
1726 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1729 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
1730 C/C++ diagnostic function warn_array_subscript_with_type_char.
1731 * c-common.h (warn_array_subscript_with_type_char): Declare.
1732 * c-common.c (warn_array_subscript_with_type_char): Define.
1734 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1737 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1738 compiling at the intersection of C and C++.
1740 2005-11-23 Mark Mitchell <mark@codesourcery.com>
1742 * doc/invoke.texi: For man pages, include gcc-vers.texi.
1743 List @file in the option summary. Include the libiberty
1744 documentation for @file.
1745 * gcc.c (main): Call expandargv.
1746 * Makefile.in (gcc-vers.texi): Define srcdir.
1748 2005-11-23 Diego Novillo <dnovillo@redhat.com>
1750 * passes.c (init_optimization_passes): Document
1751 sequencing of passes.
1753 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
1755 * config/m68k/predicates.md (pcrel_address, extend_operator,
1756 post_inc_operand, pre_dec_operand): Remove redundant
1758 (const_uint32_operand, const_sint32_operand): Use gcc_assert
1760 (valid_dbcc_comparison_p): Rewrite in the lisp style.
1762 2005-11-23 Ben Elliston <bje@au.ibm.com>
1764 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1766 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
1768 Preparatory work for PR target/21623:
1769 * alpha.c (secondary_reload_class): Rename to:
1770 (alpha_secondary_reload_class).
1771 * alpha.h, alpha-protos.h: Likewise.
1772 * mn10300.c (secondary_reload_class): Rename to:
1773 (mn10300_secondary_reload_class).
1774 * mn10300.h, mn10300-protos.h: Likewise.
1775 * pa.c (secondary_reload_class): Rename to:
1776 (pa_secondary_reload_class).
1777 * pa.h, pa-protos.h: Likewise.
1778 * rs6000.c (secondary_reload_class): Rename to:
1779 rs6000_secondary_reload_class.
1780 * rs6000.h, rs6000-protos.h: Likewise.
1782 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
1785 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1787 2005-11-22 Ian Lance Taylor <ian@airs.com>
1789 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1791 (prepare_cmp_insn): Likewise.
1793 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
1796 * m68k.md (zero_extendsidi2): Force operands[1] to a register
1797 if both operands[0] and operands[1] are memory.
1799 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1802 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1803 COMPARISON_CLASS_P and an integral types create create a new
1804 expression with the new type and fold that.
1806 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1809 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1810 to SUBTARGET_OS_CPP_BUILTINS.
1812 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
1814 * arm.c (emit_set_insn): New function.
1815 (arm_split_constant): Call it.
1816 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1817 (arm_legitimize_address): Likewise. Use plus_constant.
1818 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
1819 (thumb_expand_prologue): Likewise.
1820 (arm_gen_load_multiple): Use VOIDmode in SET.
1821 (arm_gen_store_multiple): Likewise.
1822 (vfp_emit_fstmx): Likewise. Use plus_constant.
1823 (emit_multi_reg_push): Likewise.
1824 (emit_sfm): Use plus_constant.
1826 2005-11-23 Alan Modra <amodra@bigpond.net.au>
1829 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1832 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1835 * expmed.c (store_bit_field): Don't attempt to insv a field
1836 larger than the reg.
1838 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1841 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1842 explicit sign extension, not a (char) cast.
1844 2005-11-22 Ben Elliston <bje@au.ibm.com>
1846 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1847 GET_MODE_CLASS (x) == MODE_FLOAT.
1848 * config/i386/i386.c: Likewise.
1849 * config/rs6000/xcoff.h: Likewise.
1850 * config/rs6000/linux64.h: Likewise.
1851 * config/rs6000/rs6000.c: Likewise.
1852 * config/rs6000/rs6000.h: Likewise.
1853 * config/rs6000/predicates.md: Likewise.
1854 * config/rs6000/sysv4.h: Likewise.
1856 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1858 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1861 * config/alpha/freebsd.h, config/alpha/linux.h,
1862 config/arm/linux-elf.h, config/bfin/bfin.h,
1863 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1864 config/i386/beos-elf.h, config/i386/gnu.h,
1865 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1866 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1867 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1868 config/rs6000/linux64.h, config/rs6000/sysv4.h,
1869 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1870 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1871 config/sparc/linux.h, config/sparc/linux64.h,
1872 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1874 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1875 are both defined when either flag -fpic or -fPIC are used.
1877 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1879 * config/fp-bit.c (clzusi): New function.
1880 (si_to_float, usi_to_float): Use it to compute proper shift.
1881 (usi_to_float): Preserve guard bits when shifting right.
1882 * libgcc-std.ver (GCC_4.2.0): New version.
1883 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1884 __floatundisf): New functions.
1885 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1886 __floatundisf): Declare.
1887 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1888 _floatundixf, and _floatunditf.
1889 * optabs.c (expand_float): If target does not define a pattern for
1890 signed or unsigned conversion, use an unsigned libcall instead of
1892 (init_optabs): Initialize ufloat_optab.
1894 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1896 * config/rs6000/rs6000.opt (mmulhw): New option.
1897 * doc/invoke.texi (-mmulhw): Document.
1898 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1900 * config/rs6000/rs6000.md: Add half-word multiply and
1901 multiply-accumulate instructions for 405 and 440.
1903 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
1905 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1906 which matches behavior of gcc 4.0 and older for RTEMS targets. The
1907 default now includes a linker group which makes the RTEMS one nest.
1909 2005-11-22 Ben Elliston <bje@au.ibm.com>
1911 * cse.c (fold_rtx): Typo fix.
1912 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1914 2005-11-21 Richard Henderson <rth@redhat.com>
1916 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1917 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1919 * c-tree.h (lookup_name): Move declaration ...
1920 * c-common.h (lookup_name): ... here.
1921 * config/darwin-c.c: Include c-common.h.
1922 * config/t-darwin: Update dependencies.
1924 2005-11-22 Ben Elliston <bje@au.ibm.com>
1926 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1927 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1928 * genopinit.c (gen_insn): Likewise.
1929 * reload.c (find_equiv_reg): Likewise.
1930 * loop.c (load_mems): Likewise.
1931 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1932 * cse.c (find_comparison_args, fold_rtx): Likewise.
1933 * dwarf2out.c (add_const_value_attribute): Likewise.
1934 * expr.c (convert_move): Likewise.
1935 * recog.c (general_operand, register_operand): Likewise.
1936 * reg-stack.c (replace_reg): Likewise.
1937 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1938 * c-common.c (handle_vector_size_attribute): Likewise.
1939 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1940 (simplify_binary_operation_1): Likewise.
1941 (simplify_const_binary_operation): Likewise.
1942 (simplify_relational_operation): Likewise.
1943 (simplify_const_relational_operation): Likewise.
1944 (simplify_immed_subreg): Likewise.
1945 * emit-rtl.c (gen_lowpart_common): Likewise.
1946 * expmed.c (expand_mult): Likewise.
1947 * stor-layout.c (layout_type): Likewise.
1949 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
1952 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1953 cst2 only for SPE vectors.
1955 2005-11-21 David Edelsohn <edelsohn@gnu.org>
1958 * config/rs6000/predicates.md (vrsave_operation): Check
1959 UNSPEC_VOLATILE value.
1961 2005-11-21 Jan Hubicka <jh@suse.cz>
1963 PR tree-optimization/24653
1964 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1966 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1968 * config/i386/predicates.md (ax_reg_operand): New predicate.
1969 (memory_displacement_only_operand): New predicate.
1970 * config/i386/i386.md ("modrm" attribute): Return 0 if one
1971 operand is AX register and the other operand is memory operand
1972 with displacement only.
1974 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1976 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1977 if we don't care about NaNs or Infinities.
1979 2005-11-20 Ian Lance Taylor <ian@airs.com>
1981 PR rtl-optimization/24883
1982 * combine.c (combinable_i3pat): When checking whether the
1983 destination of i3 is used in i3, consider paradoxical subregs.
1985 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1988 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1990 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1992 * combine.c (try_combine): Do not run subst on i1src and i2src in
1993 the case of generating a PARALLEL for a comparison.
1995 2005-11-20 Richard Henderson <rth@redhat.com>
1998 * tree-sra.c (struct sra_elt): Add all_no_warning.
1999 (struct sra_walk_fns) <use>: Add use_all argument.
2000 (sra_walk_expr): Pass it.
2001 (sra_walk_modify_expr): Likewise.
2002 (scalarize_ldst): Likewise.
2003 (scan_use): Update for new argument.
2004 (mark_no_warning): New.
2005 (scalarize_use): Use it.
2007 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2009 * expr.c (expand_expr_real): Use usmul_optab for widening
2010 signed * unsigned multiplies.
2011 * genopinit.c (optabs): Add usmul_widen_optab.
2012 * optabs.c (init_optabs): Likewise.
2013 * optabs.h (enum optab_index): Add OTI_usmul_widen.
2014 (usmul_widen_optab): Define.
2015 * config/bfin/bfin.md (usmulhisi3): New pattern.
2017 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2019 2005-11-20 Graham Stott <btinternet.com>
2021 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2023 2005-11-20 Andreas Schwab <schwab@suse.de>
2026 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2029 2005-11-19 Richard Henderson <rth@redhat.com>
2032 * tree-gimple.c (is_gimple_id): Export.
2033 * tree-gimple.h (is_gimple_id): Declare.
2034 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2035 (get_default_value): Use it.
2036 (maybe_fold_stmt_indirect): Likewise.
2038 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
2040 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2041 than VR1 or vice-versa.
2043 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
2047 * reload.c (find_reloads_address_1): Mention dependency on
2049 * reload1.c (gen_reload): For IN with an unary operation, try
2050 moving inner expression to OUT if trivial SET is not valid.
2051 Confirm that the result is valid. Move common code block into...
2052 (emit_insn_if_valid_for_reload): New function.
2054 2005-11-19 Richard Guenther <rguenther@suse.de>
2056 * fold-const.c (fold_indirect_ref_1): Make sure we fold
2057 ARRAY_REFs of constant strings.
2059 2005-11-19 Jakub Jelinek <jakub@redhat.com>
2061 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2062 fatal format string.
2064 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
2066 * combine.c (make_compound_operation): Swap operands of
2067 commutative operation if necessary before returning.
2069 2005-11-19 Richard Guenther <rguenther@suse.de>
2072 * fold-const.c (fold_plusminus_mult_expr): New function.
2073 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2074 cases, remove now unnecessary code.
2076 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
2078 * gensupport.c (old_preds): Rename to std_preds, add special field.
2079 (struct old_pred_table): Rename to struct std_pred_table, add special
2081 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2082 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2083 (init_predicate_table): Adjust, and set along the way whether a
2084 predicate is special.
2086 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2088 * BASE-VER: Change to 4.2.0.
2090 2005-11-18 James E Wilson <wilson@specifix.com>
2092 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2095 2005-11-18 Mike Stump <mrs@apple.com>
2097 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2098 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2099 * c-decl.c (lookup_name_two) Remove.
2100 * c-tree.h (lookup_name_two): Remove.
2101 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2102 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2103 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2104 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2106 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2109 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2110 when not generating code to use that co-processor.
2112 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2114 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2115 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2116 these functions are now in tree-phinodes.c.
2118 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2120 * config/bfin/bfin.md (trap): New pattern.
2122 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2124 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2127 * expr.c (expand_expr_real): Don't call record_block_change unless
2128 ib_boundaries_block is non-null
2130 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2132 * fold-const.c (build_range_check): Use proper type for subtraction
2133 when merging lower bound.
2135 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2137 PR rtl-optimization/24497
2138 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2141 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2143 * tree-scalar-evolution.c (expression_expensive_p): New function.
2144 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2146 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2148 * config/bfin/crtlibid.s: New file.
2150 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2153 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2154 when not using sjlj exceptions.
2155 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2156 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2157 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2158 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2159 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2160 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2161 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2162 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2163 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2164 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2165 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2166 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2167 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2169 * config/pa/hpux-unwind.h: New file.
2171 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2173 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2174 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2175 * varasm.c (do_assemble_alias): Adjust call.
2176 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2178 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2180 2005-11-17 James E Wilson <wilson@specifix.com>
2182 * tree.def (FUNCTION_DECL): Correct typo in comment.
2184 2005-11-17 Richard Henderson <rth@redhat.com>
2186 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2187 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2188 and DW_CFA_def_cfa_sf.
2189 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2190 (dbx_reg_number): Don't assert particular registers here.
2191 (based_loc_descr): ... do it here instead. Fold in ...
2192 (eliminate_reg_to_offset): ... this function.
2193 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2194 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2195 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2196 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2197 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2198 (instantiate_virtual_regs): Likewise.
2199 * var-tracking.c (adjust_stack_reference): Likewise.
2200 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2202 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2204 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2205 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2206 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2208 ($(T)crtlibid.o): New rule.
2210 2005-11-16 Richard Guenther <rguenther@suse.de>
2213 * fold-const.c (extract_array_ref): Return byte offset
2215 (fold_binary): Fold &x[a] CMP &x[b] to
2216 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2219 2005-11-16 Richard Henderson <rth@redhat.com>
2222 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2223 parts of an SSA_NAME.
2225 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2228 * arm.md (split for movsf with immediate): Restrict split to insns
2229 that set a general register.
2231 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2233 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2235 * unwind-dw2.c (uw_advance_context): Likewise.
2236 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2237 _Unwind_SjLj_Unregister.
2238 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2240 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2242 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2244 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2246 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2247 langhook to get a DImode integer type.
2249 2005-11-16 Richard Henderson <rth@redhat.com>
2250 J"orn Rennecke <joern.rennecke@st.com>
2251 Ulrich Weigand <uweigand@de.ibm.com>
2255 * reload1.c (reg_equiv_invariant): New.
2256 (reload): Allocate, initialize, and free it.
2257 (calculate_needs_all_insns): Check it when skipping equivalence
2259 (alter_reg): Likewise.
2260 (eliminate_regs_1): Rename from eliminate_regs. Add new
2261 may_use_invariant argument; only use reg_equiv_invariant when true.
2262 (eliminate_regs): New.
2263 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2264 a context for which may_use_invariant may be true.
2266 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2268 * fold-const.c (const_binop): Don't constant fold the operation
2269 if the result has overflowed and flag_trapping_math.
2270 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2272 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2274 * config/arm/unwind-arm.c (abort): Add prototype here.
2275 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2276 (struct phase1_vrs): Add prev_sp.
2277 (unwind_phase2_forced): Save the original core registers instead of
2278 modifying entry_vrs. Take a new flag argument for resuming unwinding
2279 and set action flags accordingly. Always set _US_END_OF_STACK when
2280 get_eit_entry fails. Unwind before calling the stop function.
2281 (_Unwind_GetCFA): New function.
2282 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2283 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2284 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2285 just call unwind_phase2_forced.
2286 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2287 * config/arm/unwind-arm.h (abort): Remove prototype.
2288 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2290 (_Unwind_GetCFA): New prototype.
2291 * config/arm/pr-support.c (abort): Add prototype here.
2292 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2294 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2295 not schedule the prologue with non-call exceptions and EABI.
2297 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2299 * config/arm/unwind-arm.h: Reorder interface function declarations.
2300 (_URC_END_OF_STACK): New enumeration value.
2301 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2302 (struct _Unwind_Control_Block): Document reserved field use.
2303 (_Unwind_Stop_Fn): New typedef.
2304 (_Unwind_ForcedUnwind): Declare.
2305 (_Unwind_Resume_or_Rethrow): Declare.
2306 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2308 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2309 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2310 (UCB_FORCED_STOP_ARG): New.
2311 (search_EIT_table): Update boundary condition checks.
2312 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2313 (unwind_phase2): Replace for with do..while.
2314 (unwind_phase2_forced): New.
2315 (__gnu_Unwind_RaiseException): Replace for with do..while.
2316 (__gnu_Unwind_ForcedUnwind): New.
2317 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2318 Use appropriate phase2 unwinder.
2319 (__gnu_Unwind_Resume_or_Rethrow): New.
2320 (__gnu_unwind_pr_common): Cope with forced unwinding.
2322 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2325 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2327 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2328 roundsf2): Remove "s" from mnemonic.
2330 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2332 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2334 * config/bfin/crtn.s: Change epilogues to match.
2335 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2336 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2337 __PIC__ and __pic__.
2339 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2342 * doc/invoke.texi: Distinguish between free and fixed form instead of
2343 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2345 * gcc.c (default_compilers): Remove double entries, add entries for
2346 suffixes '.F90' and '.F95'.
2348 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2350 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2351 in the stack probing loop.
2353 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2355 * configure.ac: Use .machine power5 not power5x.
2356 * configure: Regenerate.
2358 2005-11-15 Mike Stump <mrs@apple.com>
2360 * c-decl.c (lookup_name_two): Add.
2361 * c-tree.h (lookup_name_two): Likewise.
2362 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2363 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2365 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2367 PR rtl-optimization/23392
2368 * regrename.c (enum scan_actions) Add mark_access.
2369 (scan_actions_name): Ditto.
2370 (scan_rtx_reg): Handle mark_access.
2371 (scan_rtx_address): Do nothing for mark_access.
2372 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2373 and regs in REG_INC notes before closing chains for dead regs.
2374 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2375 opening chains for new writes.
2377 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2379 * c.opt (ffixed-line-length-none): New.
2381 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2383 * mklibgcc.in: Change contents of eh_dummy.c.
2385 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2387 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2389 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2391 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2393 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2395 2005-11-15 Jan Hubicka <jh@suse.cz>
2397 * invoke.texi (large-unit-insns): Document.
2398 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2399 * params.def (large-unit-insns): New param.
2401 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2404 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2405 special register for operand 3. Reindent constraints to align
2408 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2410 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2411 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2412 * configure.ac: Add test for FP rounding instructions.
2413 * configure: Regenerate.
2414 * config.in: Regenerate.
2415 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2416 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2418 * config/rs6000/rs6000.opt (mfprnd): New.
2419 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2420 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2421 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2422 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2423 (TARGET_FPRND): New.
2424 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2426 (btrunc<mode>2): New.
2428 (floor<mode>2): New.
2429 (round<mode>2): New.
2431 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2433 * gcc.c (version_compare_spec_function): Use fatal() rather than
2436 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2437 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2438 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2440 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2443 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2444 on -mmacosx-version-min setting.
2446 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2449 * tree-vrp.c (infer_value_range): Return false if STMT is a
2450 block terminator and its basic block has no successors.
2452 2005-11-14 Mike Stump <mrs@apple.com>
2454 * config/i386/i386.c (override_options): -masm=intel isn't
2455 supported on darwin.
2456 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2458 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2460 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2461 vfork after including auto-host.h.
2463 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2465 PR rtl-optimization/22002
2466 * combine.c (distribute_notes): Detect cases where a reg dies
2467 two or more times in a bb, including on the insn we are combining,
2468 and place the death note on the correct range.
2470 2005-11-14 Dale Johannesen <dalej@apple.com>
2472 * expmed.c (store_bit_field): Add offset unconditionally for
2474 (extract_bit_field): Don't force extzv or extv operand into
2475 a register if field is too big.
2477 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2479 * config/arm/arm.c (pic_labelno): New.
2480 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2481 LABEL_REF. Pass only the labelno to PIC insns.
2482 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2483 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2484 * arm.md (UNSPEC_PIC_LABEL): New constant.
2485 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2486 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2487 Use the correct label prefix.
2489 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2491 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2494 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2496 * loop-invariant.c: Include tm_p.h.
2497 * Makefile.in: Updated.
2499 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2501 * pa.c (store_reg): Revise generation of frame notes in large frames.
2502 (set_reg_plus_d): Likewise.
2504 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2506 PR tree-optimization/24709
2507 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2510 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2512 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2513 and duplicate declaration of pthread_self.
2515 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2516 Ian Lance Taylor <ian@airs.com>
2519 * calls.c (expand_call): If TARGET is a MEM and some part of the
2520 argument area has been saved, force TARGET to a register.
2522 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2524 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2527 2005-11-13 Jason Merrill <jason@redhat.com>
2530 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2531 lazily declared methods.
2532 (force_decl_die): Stop if forcing out the context already make a
2534 (force_type_die): Likewise.
2536 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2539 * builtins.c (integer_valued_real_p): Add break in
2540 REAL_CST having TREE_OVERFLOW set.
2542 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2544 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2545 addressing modes during calculation of costs.
2547 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2549 * function.c (assign_stack_local_1): Restrict sanity check
2550 on frame size overflow to 32-bit and above platforms.
2552 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2554 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2555 * config/cris/cris.c: Include reload.h.
2556 (cris_initial_elimination_offset): New function.
2557 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2560 2005-11-12 Richard Guenther <rguenther@suse.de>
2562 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2564 2005-11-12 Jan Hubicka <jh@suse.cz>
2566 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2567 to compare against 0 when possible.
2569 2005-11-12 Jie Zhang <jie.zhang@analog.com>
2571 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2572 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2573 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2574 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2577 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2579 * recog.c (constrain_operands) <case 'g'>: For a match, require
2580 that a non-register matches general_operand when strict >= 0.
2582 2005-11-11 Steven Bosscher <stevenb@suse.de>
2584 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2587 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2589 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2590 (memory_address_same): New.
2591 (dse_optimize_stmt): Call memory_address_same.
2593 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2596 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2597 ZERO_EXTEND>: New cases.
2599 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2601 * longlong.h (__clz_tab): Always provide.
2603 2005-11-11 Steven Bosscher <stevenb@suse.de>
2606 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2608 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2609 before check_maybe_invariant.
2610 (move_invariant_reg): Use gen_move_insn instead of replacing
2611 SET_DEST with the temporary for the invariant.
2612 (move_loop_invariants): If checking is enabled, do internal
2613 consistency checks after completing the pass.
2615 2005-11-11 David Edelsohn <edelsohn@gnu.org>
2618 * common.opt (Wvolatile-register-var): New.
2619 * varasm.c (make_decl_rtl): Only emit warning when option
2620 specified. Clarify warning message.
2621 * doc/invoke.texi (Wvolatile-register-var): Document new option.
2623 * doc/md.texi (copysign): Document standard named pattern.
2625 2005-11-11 Jie Zhang <jie.zhang@analog.com>
2627 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2628 bytes when align is 2.
2629 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2630 by the first instruction of the loop.
2632 2005-11-11 Jason Merrill <jason@redhat.com>
2635 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2638 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2640 PR rtl-optimization/22509
2641 * local-alloc.c (memref_used_between_p): Check whether a function call
2642 could not reference the memref.
2644 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
2646 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2647 algorithm so as to choose the best, not the worst, alternative.
2648 Reset accumulated register class before processing next alternative.
2650 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
2653 * calls.c (expand_call): Copy a return value to a plain register
2656 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
2659 * varasm.c (assemble_name): Recompute name only for transparent
2662 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
2664 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2666 2005-11-04 Jeff Law <law@redhat.com>
2669 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2670 perform reassociation if the parent statement will not die as
2671 a result of the optimization.
2673 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
2675 * tree-ssa-alias.c (compute_may_aliases): Remove call to
2676 delete_old_heap_vars.
2677 * tree-dfa.c (referenced_var_remove): Remove function.
2678 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2679 (delete_tree_ssa): Remove call to delete_old_heapvars.
2680 Add call to delete_alias_heapvars.
2681 * tree-flow.h (referenced_var_remove): Remove prototype
2682 (init_alias_heapvars): New prototype.
2683 (delete_alias_heapvars): Ditto.
2684 * Makefile.in (tree-ssa-structalias.o): Add
2685 gt-tree-ssa-structalias.o
2686 (GTFILES): Add tree-ssa-structalias.h and
2687 tree-ssa-structalias.c.
2688 (s-gtype): Add gt-tree-ssa-structalias.h.
2689 * tree-ssa-structalias.c (heapvars): Remove.
2690 (oldheapvars): Remove.
2691 (heapvar_for_stmt): New variable.
2692 (heapvar_lookup): New function.
2693 (heapvar_insert): Ditto.
2694 (get_constraint_for): See if we have an old heapvar
2696 (init_alias_heapvars): New function.
2697 (delete_alias_heapvars): Ditto.
2698 Add include of gt-tree-ssa-structalias.h.
2700 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2703 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2705 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
2707 * tree.c (int_fits_type_p): Only look at the base type
2708 if it has the same precision as the original type.
2710 2005-11-10 Jakub Jelinek <jakub@redhat.com>
2713 * varasm.c (assemble_alias): Use %q+D in the error
2714 message instead of %J and %qD.
2716 2005-11-10 Richard Guenther <rguenther@suse.de>
2718 * gcse.c (free_ldst_entry): Only free hashtable if
2721 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2723 * function.c (assign_stack_local_1): Issue an error message if
2724 the frame size overflows in the signed target arithmetics.
2726 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2728 * tree.c (build_qualified_type): Chain the new type to the original
2729 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2730 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2731 (build_pointer_type_for_mode): Only return unqualified types.
2732 (build_reference_type_for_mode): Likewise.
2734 2005-11-09 Jakub Jelinek <jakub@redhat.com>
2736 * Makefile.in (gnucompare): Do comparison of all files using one of
2737 the chosen methods and only afterwards decide if just warning should
2738 be issued or comparison failure raised.
2740 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2742 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2743 (noce_try_abs): Negate if the comparison is reversed.
2744 Look only one instruction backwards for a REG_EQUAL note.
2746 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2749 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2750 gthr-tpf.h: Define __gthrw. For all identifiers that might
2751 be weak, introduce weakrefs or non-weak aliases with __gthrw,
2752 and prefix all uses with __ghtrw.
2754 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2757 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2758 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
2759 * c-common.c (handle_weakref_attribute): New.
2760 (c_common_attribute_table): Add weakref.
2761 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2763 * configure, config.in: Rebuilt.
2764 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2765 * doc/extend.texi: Document weakref attribute.
2766 * varasm.c (ultimate_transparent_alias_target): New
2767 (assemble_name): Use it.
2768 (weak_finish_1): Split out of...
2769 (weak_finish): ... and deal with weakrefs in...
2770 (weakref_targets): ... new list.
2771 (globalize_decl): Clean up weakref_targets.
2772 (do_assemble_alias): Handle weakrefs.
2773 (finish_aliases_1): Do not reject weakrefs to external symbols.
2774 (assemble_alias): Handle weakrefs.
2776 2005-11-09 Richard Guenther <rguenther@suse.de>
2778 PR tree-optimization/24716
2779 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2780 t_bool to track results from follow_ssa_edge.
2782 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2784 * final.c (force_source_line): New global variable.
2785 (final_scan_insn): Set it to true instead of clearing last_filename.
2786 (notice_source_line): Return true if force_source_line is true,
2787 unless source info is absent.
2789 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
2792 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2793 a linkage name for a variable if it a register variable.
2794 * c-decl.c (grokdeclarator): Global register variables
2795 should be set as PUBLIC.
2797 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * config/s390/s390.c (struct s390_frame_layout): New fields
2801 first_save_gpr_slot and last_save_gpr_slot.
2802 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2803 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2804 first_save_gpr and last_save_gpr with the _slot variants.
2805 (s390_register_info): Calculate first_save_gpr_slot and
2806 last_save_gpr_slot using regs_ever_live.
2808 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2811 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2812 for a function containing a landing pad.
2814 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2817 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2820 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
2822 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2823 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2825 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
2828 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2830 (call,load,store): New insn types.
2831 (mem_access, branch_access): Adjust reservation conditions.
2832 (define_delay): Adjust condition.
2833 (decrement_and_branch_until_zero): Allow for ms2. Set branch
2835 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2836 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2838 (call_internal, call_value_internal, return_internal,
2839 return_interrupt_internal, eh_return_internal, indirect_jump,
2840 tablejump): Set call insn type.
2841 (blockage, ei, di): Use appropriate unspec const.
2842 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2843 (ms1_get_attr_type): Adjust to give load & store types.
2844 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
2845 backwards past a barrier.
2846 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
2848 (struct branch_info, struct label_info): New.
2850 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2851 (ms1_machine_reorg): New.
2852 (TARGET_MACHINE_DEPENDENT_REORG): Override.
2853 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2854 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2855 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2858 2005-11-09 Per Bothner <per@bothner.com>
2859 Uros Bizjak <uros@kss-loka.si>
2862 * toplev.c (process_options): Initialize debug_hooks early
2863 in case lang_hooks.post_options ends up calling a debug_hook.
2865 2005-11-08 Jakub Jelinek <jakub@redhat.com>
2867 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2868 DBX_REGISTER_NUMBER being contiguous.
2870 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
2871 Diego Novillo <dnovillo@redhat.com>
2874 * tree-vrp.c (register_edge_assert_for): Do not register
2875 always-false predicates.
2877 2005-11-08 Devang Patel <dpatel@apple.com>
2879 PR tree-optimization/23115
2880 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2883 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
2885 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2888 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
2890 Fix PR tree-optimization/23382
2892 * tree-ssa-alias.c (compute_may_aliases): Call
2893 delete_old_heap_vars.
2894 * tree-dfa.c (referenced_var_remove): New function.
2895 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2896 * tree-flow.h (referenced_var_remove): Add prototype.
2897 (delete_old_heap_vars): Ditto.
2898 * tree-ssa-structalias.c (heapvars): New variable.
2899 (oldheapvars): Ditto.
2900 (get_constraint_for): Put heap vars on heapvars list.
2901 (delete_old_heap_vars): New function.
2903 2005-11-08 Jason Merrill <jason@redhat.com>
2905 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2907 2005-11-08 Uros Bizjak <uros@kss-loka.si>
2910 * reg-stack.c (reg_to_stack): Update register liveness also
2911 for flag_sched2_use_traces.
2913 2005-11-08 Alan Modra <amodra@bigpond.net.au>
2916 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2917 override prior explicit -mno-powerpc-gfxopt.
2919 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
2921 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2922 if the bitsize is zero.
2923 * doc/md.texi (Standard Pattern Names): Document it.
2925 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2926 (TARGET_PASS_BY_REFERENCE): Likewise.
2928 2005-11-07 Ian Lance Taylor <ian@airs.com>
2930 PR rtl-optimization/24683
2931 * config/i386/i386.c (legitimize_pic_address): If constant operand
2932 to PLUS is too large, put it in a register.
2934 2005-11-07 Jie Zhang <jie.zhang@analog.com>
2936 * configure.ac: Enable checking assembler dwarf2 support for bfin
2938 * configure: Regenerate.
2940 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2944 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2945 gen_easy_vector_constant_add_self): Delete.
2946 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2948 (output_vec_const_move): Use gen_easy_altivec_constant.
2949 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2950 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2951 (easy_vector_constant_add_self): Rewritten.
2952 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2953 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2954 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2955 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2956 Macroize and adjust for the other changes.
2958 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2962 * c-typeck.c (build_c_cast): Try using a shared constant, and see
2963 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2965 2005-11-07 Jakub Jelinek <jakub@redhat.com>
2967 PR rtl-optimization/23567
2968 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2969 (noce_process_if_block): Don't do any optimizations except
2970 if (cond) x = x; if !set_b and write into orig_x may trap
2971 or fault. Remove the MEM_READONLY_P check.
2973 2005-11-06 Diego Novillo <dnovillo@redhat.com>
2976 * tree-vrp.c (fix_equivalence_set): New.
2977 (extract_range_from_assert): Call it.
2979 2005-11-05 Ian Lance Taylor <ian@airs.com>
2982 * combine.c (apply_distributive_law): Don't distribute across a
2985 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2987 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2988 config/ms1/ms1.h, config/rs6000/predicates.md,
2989 config/s390/s390.c, params.def, postreload-gcse.c,
2990 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2991 tree-vrp.c, tree.c: Fix comment typos.
2992 * doc/invoke.texi: Fix typos.
2994 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2996 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2997 for testing whether the data_dependence_relation contains distance
2998 vectors. Iterate over all distance vectors of the ddr.
2999 * lambda.h: Define a vec of lambda_vector pointers.
3000 * tree-data-ref.c (dump_data_dependence_relation,
3001 dump_data_dependence_direction): Iterate over all distance and
3002 direction vectors of the ddr.
3003 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3005 (build_classic_dist_vector, build_classic_dir_vector): Push a set
3006 of distance/direction vectors instead of a single one.
3007 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3008 lambda_vectors with a vec of lambda_vectors.
3009 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3010 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3011 DDR_NUM_DIST_VECTS): New.
3012 * tree-loop-linear.c (gather_interchange_stats): Test for the
3013 existence of distance vectors only after having checked that there
3014 is a dependence. Iterate over all distance vectors of the ddr.
3015 (linear_transform_loops): Use dump_data_dependence_relation.
3016 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3017 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
3018 distance vectors of the ddr.
3020 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
3022 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3023 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3024 IS_INTHANDLER; all callers changed.
3025 (n_regs_saved_by_prologue): Take interrupt handler attributes into
3027 (do_link, do_unlink): New argument ALL; all callers changed.
3028 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3029 If function isn't leaf, save and restore all registers.
3030 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3033 2005-11-05 Jan Hubicka <jh@suse.cz>
3035 PR rtl-optimization/23490
3036 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3037 max-flow-memory-location): Document.
3038 * flow.c: Include params.h
3039 (MAX_MEM_SET_LIST_LEN): Kill.
3040 (add_to_mem_set_list): Use new param.
3041 * cse.c (cse_basic_block): Replace 1000 by new param.
3042 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3043 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3044 * predict.c (predict_loops): Use new param.
3045 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3047 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3048 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3049 Do not hold memory returned by cgraph_node_name across other call.
3051 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
3054 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3057 2005-11-04 Jeff Law <law@redhat.com>
3060 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3061 * tree-ssa-dom.c: Include params.h.
3062 (thread_across_edge): If there are too many statements in the
3063 target block, then do not thread through it.
3064 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3065 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3067 2005-11-03 Diego Novillo <dnovillo@redhat.com>
3070 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3071 TODO_update_ssa instead of TODO_update_ssa_no_phi.
3073 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
3076 * tree-scalar-evolution.c (instantiate_parameters_1,
3077 instantiate_parameters, resolve_mixers): Compute the size of an
3078 expression to be instantiated and give up the instantiation if the
3079 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3081 2005-11-04 Richard Guenther <rguenther@suse.de>
3083 * tree-flow.h (ref_contains_indirect_ref): Rename to
3084 array_ref_contains_indirect_ref.
3085 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3086 (array_ref_contains_indirect_ref): Make comment match the code
3088 (ref_contains_array_ref): Likewise.
3089 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3090 ref_contains_indirect_ref.
3091 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3092 Rename calls to ref_contains_indirect_ref.
3094 2005-11-04 Paul Brook <paul@codesourcery.com>
3096 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3097 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3098 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3099 * config/arm/arm.md: Use match_operand in peephole input templates
3100 and match_dup in peephole output templates.
3102 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3104 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3107 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3108 Daniel Jacobowitz <dan@codesourcery.com>
3110 * longlong.h (add_ssaaaa): Clobber condition code register
3112 (sub_ddmmss): Likewise.
3113 (umul_ppmm): Likewise.
3115 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3116 Paul Brook <paul@codesourcery.com>
3117 Phil Blundell <pb@reciva.com>
3119 * configure.ac: Add test for ARM TLS support.
3120 * configure: Regenerated.
3121 * config/arm/arm-protos.h (legitimize_tls_address)
3122 (arm_tls_referenced_p, tls_mentioned_p)
3123 (arm_output_addr_const_extra): New prototypes.
3124 (thumb_legitimize_pic_address): Delete.
3125 * config/arm/arm.c: Include "gt-arm.h".
3126 (enum tls_reloc): New.
3127 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3128 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3129 (arm_call_tls_get_addr, legitimize_tls_address)
3130 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3131 (arm_init_tls_builtins, arm_emit_tls_decoration)
3132 (arm_output_addr_const_extra): New functions.
3133 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3134 (TARGET_HAVE_TLS): Define.
3135 (target_thread_pointer): New.
3136 (arm_override_options): Handle -mtp=.
3137 (legitimize_pic_address): Ignore UNSPECs.
3138 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3140 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3141 (tls_get_addr_libfunc): New variable.
3142 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3143 (arm_init_builtins): Call arm_init_tls_builtins.
3144 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3145 (arm_encode_section_info): Call default_encode_section_info.
3146 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3147 (enum arm_tp_type): New.
3148 (target_thread_pointer): Add declaration.
3149 (LEGITIMATE_CONSTANT_P): Handle TLS.
3150 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3151 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3152 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3153 * config/arm/arm.md: Add UNSPEC_TLS.
3154 (movsi): Handle TLS.
3155 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3157 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3158 (load_tp_hard, load_tp_soft): New insns.
3159 * arm.opt: Add -mtp=.
3160 * doc/invoke.texi (ARM Options): Document -mtp.
3162 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3164 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3165 * config/arm/libunwind.S: Include "lib1funcs.asm".
3166 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3167 (LIB2ADDEH): Add libunwind.S.
3168 (LIB2ADDEHDEP): Add lib1funcs.asm.
3169 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3171 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3174 * gcc/c.opt: Add a -lang-fortran option.
3175 * gcc/c-opts.c: Add a lang_fortran flag.
3176 (c_common_init_options): Handling the -lang-fortran option.
3177 (c_common_handle_option): Add a case for Fortran options in
3178 preprocessing. Remove cases for -ffixed-form and
3179 -ffixed-line-length. Add a case for -lang-fortran.
3181 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3183 * config/rs6000/rs6000.c: Include params.h
3184 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3185 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3186 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3187 (UNSPEC_VPKUWSS): Delete.
3188 (altivec_vpkuhss): Delete.
3189 (altivec_vpkuwss): Delete.
3190 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3192 (neg_eq0<mode>): Remove final condition.
3193 (neg_eq<mode>): Remove condition and split-condition.
3195 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3197 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3198 Use associated print macros.
3200 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3203 * diagnostic.c (diagnostic_set_info_translated): New function.
3204 (diagnostic_set_info): Use it. Add comment.
3205 * diagnostic.h (diagnostic_set_info_translated): Declare.
3207 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3209 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3210 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3211 reference only if 'public' is true.
3212 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3213 emit the .hidden directive only if the indirect reference is public.
3214 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3215 Pass it to dw2_force_const_mem.
3216 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3217 * dwarf2out.c (output_cfi): Adjust calls to above function.
3218 (output_call_frame_info): Likewise.
3219 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3220 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3222 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3224 PR tree-optimization/24483
3225 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3226 field to elts if possible.
3228 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3231 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3234 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3236 Fix PR tree-optimization/24351
3238 * tree-ssa-structalias.c (struct variable_info): Add
3240 (get_varinfo_fc): New function to follow collapsing.
3241 (new_var_info): Set collapsed_to to NULL.
3242 (dump_constraint): Follow collapsing.
3243 (build_constraint_graph): Handle collapsing.
3244 (do_simple_structure_copy): Return false if something bad
3246 (collapse_rest_of_var): New function.
3247 (do_structure_copy): Collapse if do_simple_structure_copy returns
3250 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3253 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3254 expressions to a statement list instead of gimplifying them.
3256 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3258 PR rtl-optimization/23585
3259 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3260 that can't trap plus a constant integer, if the mode has zero size.
3262 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3265 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3267 ("*insv<mode>_reg_extimm"): Likewise.
3269 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3272 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3273 c_common_type_for_mode returns an unnamed type.
3275 2005-11-02 Richard Henderson <rth@redhat.com>
3279 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3280 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3281 * function.c (assign_parms): Use calls.internal_arg_pointer.
3282 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3284 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3285 (TARGET_CALLS): Add it.
3286 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3287 * targhooks.c (default_internal_arg_pointer): New.
3288 * targhooks.h (default_internal_arg_pointer): Declare.
3289 * tree.h (dwarf2out_reg_save_reg): Declare.
3290 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3291 * config/i386/i386.c (dbx_register_map): Add return column.
3292 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3293 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3294 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3295 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3296 (ix86_save_reg): Save force_align_arg_pointer.
3297 (ix86_emit_save_regs): Make regno unsigned.
3298 (ix86_emit_save_regs_using_mov): Likewise.
3299 (ix86_expand_prologue): Handle force_align_arg_pointer.
3300 (ix86_expand_epilogue): Likewise.
3301 * config/i386/i386.h: (dbx_register_map): Update.
3302 (dbx64_register_map, svr4_dbx_register_map): Update.
3303 (struct machine_function): Add force_align_arg_pointer.
3304 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3305 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3306 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3308 2005-11-02 Jan Hubicka <jh@suse.cz>
3311 * i386.md: Add peep2 for simplyfing array accesses.
3313 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3316 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3317 * config/s390/s390.c (s390_decompose_shift_count): New function.
3318 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3319 (print_shift_count_operand): Use s390_decompose_shift_count.
3320 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3321 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3323 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3326 * loop.c (loop_givs_rescan): Use force_operand to expand
3329 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3332 * fold-const.c (build_range_check): Use unsigned when signed
3333 overflow is undefined also. If etype is subtype, make sure that
3334 the subtraction is in the supertype.
3336 2005-11-02 Richard Henderson <rth@redhat.com>
3339 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3342 2005-11-01 Richard Henderson <rth@redhat.com>
3345 * loop.c (scan_loop): Do not propagate computations to a hard
3346 register destination with SMALL_REGISTER_CLASSES.
3348 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3350 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3351 costs for MULT inside PLUS or MINUS.
3353 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3355 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3356 (TRAMPOLINE_SIZE): Round up to 60.
3357 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3359 2005-10-31 James E. Wilson <wilson@specifix.com>
3362 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3363 ifdef. Put ifdefs around call in gen_subprogram_die.
3364 (compute_frame_pointer_to_cfa_displacement): Likewise.
3365 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3368 PR rtl-optimization/17356
3369 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3370 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3372 2005-10-31 Jan Hubicka <jh@suse.cz>
3375 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3378 * i386.c (legitimize_pic_address): Deal with large immediates.
3381 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3382 from symbol names while computing checkup.
3385 * predict.c (predict_loops): Do not estimate more than
3386 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3387 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3389 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3391 PR tree-optimization/19097
3392 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3394 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3396 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3398 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3401 * tree-inline.c (setup_one_parameter): If the init_stmt
3402 is NULL, don't insert the statement.
3404 2005-10-30 Jan Hubicka <jh@suse.cz>
3406 PR tree-optimization/24172
3407 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3409 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3411 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3412 constants for hosts with long != 32 bits.
3414 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3417 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3419 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3421 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3422 (TARGET_MS1_16_002): New.
3423 (TARGET_MS1_16_003): New.
3425 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3426 ("*decrement_and_branch_until_zero_no_clobber"): New.
3427 Add corresponding splitter for decrement_and_branch_until_zero
3429 Key all decrement_and_branch_until_zero patterns off of
3432 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3435 * tree-complex.c (extract_component): Treat RESULT_DECL
3436 like the rest of the decls.
3438 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3440 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3441 indirect call to _mcount if the function needs a static chain.
3443 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3444 Caroline Tice <ctice@apple.com>
3446 PR rtl-optimization/24460
3447 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3448 (dwarf2out_switch_text_section): Set it to true instead of
3449 incrementing separate_line_info_table_in_use.
3450 (output_loc_list): Additionally test have_switched_text_sections.
3451 (output_ranges): Likewise.
3452 (dwarf2out_finish): Likewise.
3453 * varasm.c (assemble_start_function): Do not call
3454 insert_section_boundary_note.
3455 (assemble_end_function): If flag_reorder_blocks_and_partition,
3456 switch to the function's section before emitting the .size directive.
3457 * bb-reorder.c (insert_section_boundary_note): Staticify.
3458 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3459 * output.h (insert_section_boundary_note): Delete.
3461 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3464 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3465 instead of pointer equality when comparing types.
3467 2005-10-24 James E. Wilson <wilson@specifix.com>
3469 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3470 add_dependence_list_and_free calls.
3472 2005-10-24 Steven Bosscher <stevenb@suse.de>
3474 * contrib.texi: Add the names of the LLNL folks who donated
3475 Cray pointer support for gfortran.
3477 2005-10-24 Steven Bosscher <stevenb@suse.de>
3479 PR tree-optimization/24225
3480 * profile.c (branch_prob): Look from end to start through a
3481 basic block when looking for a locus.
3483 2005-10-24 Richard Henderson <rth@redhat.com>
3485 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3487 (hppa_expand_prologue): Likewise.
3489 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3491 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3492 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3493 * pa.h (NO_PROFILE_COUNTERS): Define.
3494 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3495 (funcdef_nos): New vector to hold label numbers of deferred profile
3497 (output_deferred_profile_counters): New function.
3498 (hppa_profile_hook): Push label number onto funcdef_nos.
3499 (pa_hpux_file_end): Call output_deferred_profile_counters if
3500 NO_DEFERRED_PROFILE_COUNTERS is false.
3502 * pa-protos.h (get_deferred_plabel): New prototype.
3503 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3505 (output_call): Adjust calls.
3507 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3509 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3510 peculiarity of GOT/TOC section usage.
3512 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3515 * c-common.c (constant_string_class_name): Add documentation.
3517 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3520 * recog.c (peephole2_optimize): Increment peep2_current_count
3521 only when the slot is empty.
3523 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3526 * except.c (output_function_exception_table): Call
3527 assemble_external_libcall if we need a personality function.
3529 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3531 PR rtl-optimization/24460
3532 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3533 set the basic block for barriers.
3535 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3537 * var-tracking.c (vt_initialize): Initialize post.
3539 2005-10-21 Devang Patel <dpatel@apple.com>
3542 * c-common.c (vector_types_convertible_p): Check vector element type.
3544 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3546 * config/sh/sh.c (prepare_move_operands): Handle the address
3547 constant which is a tls symbolic address plus a constant.
3549 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3552 * gcc.c (main): Use the correct counter for erroring out
3553 about mulitple files.
3555 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3558 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3559 use r2 for 64-bit tls .got access.
3561 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3563 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3566 2005-10-20 Steven Bosscher <stevenb@suse.de>
3568 PR tree-optimization/24307
3569 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3571 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
3574 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3576 * varasm.c (find_decl_and_mark_needed): After cgraph global info
3577 is ready, stop marking functions, but still mark variables.
3579 2005-10-20 Richard Guenther <rguenther@suse.de>
3582 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3585 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3587 PR rtl-optimization/23585
3588 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3589 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
3590 (may_trap_p_1): New predicate extracted from...
3591 (may_trap_p): ... here. Invoke may_trap_p_1.
3592 (may_trap_or_fault_p): New predicate.
3593 * rtl.h (may_trap_or_fault_p): Declare it.
3594 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3595 instead of may_trap_p.
3596 (steal_delay_list_from_fallthrough): Likewise.
3597 (fill_simple_delay_slots): Likewise.
3598 (fill_slots_from_thread): Likewise.
3599 * function.c (pad_to_arg_alignment): Rework comment about
3600 SPARC_STACK_BOUNDARY_HACK.
3601 * config/sparc/sparc.h: Likewise.
3603 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
3605 * config/s390/s390.c (s390_expand_insv): New.
3606 * config/s390/s390-protos.h (s390_expand_insv): Declare.
3607 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3608 ("icm_hi"): Remove mode attribute.
3609 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3611 ("*extracthi", "*extractqi"): Remove.
3612 (extv<mode>", "*extzv<mode>"): New.
3613 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3614 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3616 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3618 * cfgexpand.c (discover_nonconstant_array_refs_r,
3619 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3620 (tree_expand_cfg): Call discover_nonconstant_array_refs.
3621 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3622 discover_nonconstant_array_refs.
3624 2005-10-19 Steven Bosscher <stevenb@suse.de>
3627 * c-decl.c (pop_scope): Don't warn about an unused variable
3628 if it is marked with TREE_NO_WARNING.
3629 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3630 somenow mismatch and olddecl is to be replaced.
3632 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
3635 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3636 whether registers live on the edge can be saved/restored.
3638 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3640 * config/sh/sh.c (fixup_mova): Skip notes.
3642 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3644 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3645 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3646 (s390_can_eliminate): Handle BASE_REGNUM elimination.
3647 (s390_initial_elimination_offset): Likewise.
3648 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3649 register on TARGET_ZARCH targets.
3650 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3651 (INITIAL_FRAME_POINTER_OFFSET): Remove.
3652 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3653 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3655 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3657 * config/s390/s390.md: Comment describing output modifiers updated.
3658 * config/s390/s390.c (print_operand): Likewise.
3660 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3662 * config/s390/s390.c (override_options): Added check for -mstack-size
3664 * doc/invoke.texi: Mention that limit in the documenation.
3666 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
3669 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3671 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3673 Fix PR tree-optimization/24231
3675 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3676 (compute_avail): Ditto.
3678 2005-10-18 Richard Henderson <rth@redhat.com>
3681 * config/i386/i386.c (legitimate_constant_p): Check
3682 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
3684 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3685 (legitimate_pic_address_disp_p): Reorg CONST checking to make
3686 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
3688 (print_operand_address): Likewise.
3689 * config/i386/predicates.md (x86_64_immediate_operand): Test
3690 SYMBOL_REF_TLS_MODEL properly inside CONST.
3691 (x86_64_zext_immediate_operand): Likewise.
3692 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3693 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3694 * config/i386/i386-protos.h: Remove predicates.md entries.
3696 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
3698 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3699 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3701 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
3702 Ian Lance Taylor <ian@airs.com>
3705 * fold-const.c (fold_widened_comparison): Do not allow range based
3706 constant folding when right operand cannot be unwidened.
3708 2005-10-17 Richard Henderson <rth@redhat.com>
3710 * builtins.c (expand_builtin_synchronize): Build a new-style asm
3711 with a memory clobber.
3713 2005-10-17 James E Wilson <wilson@specifix.com>
3715 PR rtl-optimization/17356
3716 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3717 checking for EDGE_EH.
3719 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
3721 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3722 the slot on an even boundary for any type with 16-byte alignment.
3724 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
3727 * md.texi (Modifiers) <%>: Clarify that % doesn't work
3728 after register allocation.
3730 2005-10-17 DJ Delorie <dj@redhat.com>
3732 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3735 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
3738 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3741 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
3743 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3744 to 2 if it's already non-zero.
3745 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3746 is set and warn about it if flag_schedule_insns is 1.
3748 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
3750 * config/crx/crx.md: Compare-and-branch instructions need to
3753 2005-10-17 Uros Bizjak <uros@kss-loka.si>
3756 * config/i386/i386.md (*pushdi2_rex64 splitter)
3757 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3758 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3759 flow2 pass only when (optimize > 0 && flag_peephole2).
3761 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
3764 * gcc.c (have_c): New static variable.
3766 (process_command): Remove declation of have_c.
3767 Set have_o to 1 when handling -o.
3768 (main): Add a fatel error if there are multiple
3769 files specified and -o and -c/-S is passed witout
3770 -combine or multiple languages.
3772 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
3774 Fix PR tree-optimization/22444
3775 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3776 Assert that we don't hit something with subvars.
3777 (setup_pointers_and_addressables): Don't add things with subvars,
3778 because we'll already process the subvars for aliasing purposes.
3780 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
3783 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3784 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3785 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3786 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3787 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3788 swapped, alternatives for the R constraint.
3791 * builtins.c (get_builtin_sync_mode): Make unlimited
3792 mode_for_size request.
3794 2005-10-15 Richard Henderson <rth@redhat.com>
3796 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3797 (gimplify_expr): ... here.
3798 (gimplify_compound_lval): Use it in initial scan loop. Allow
3799 fb_lvalue in base expression.
3801 2005-10-15 Richard Henderson <rth@redhat.com>
3804 * builtins.c (expand_builtin_trap): Export.
3805 * expr.h (expand_builtin_trap): Declare.
3806 * expr.c (expand_assignment): Emit a trap for integral offsets
3807 from registers that weren't reduced to bitpos.
3809 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3810 (mark_array_ref_addressable): Remove.
3811 * tree-flow.h (mark_array_ref_addressable): Remove.
3812 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3814 2005-10-15 James E Wilson <wilson@specifix.com>
3817 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
3818 (add_dependence_list_and_free): Likewise.
3819 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3822 2005-10-15 Diego Novillo <dnovillo@redhat.com>
3826 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3827 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3829 (vrp_visit_phi_node): Only prevent infinite iterations when
3830 the previous result and the new result are both VR_RANGEs.
3832 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
3834 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3837 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3840 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3843 2005-10-14 Per Bothner <per@bothner.com>
3845 PR preprocessor/21250
3846 * c-ppoutput.c (print_line): Print internal line 0 as 1.
3848 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
3851 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3852 overflow flags. Refactor some conditionals.
3854 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
3857 * tree-dfa.c (add_referenced_var): Only look at decls which
3858 have TREE_CONSTANT or TREE_READONLY set instead of if
3859 !TREE_PUBLIC or !TREE_CONSTANT.
3861 2005-10-13 James E Wilson <wilson@specifix.com>
3863 * doc/invoke.texi: For -x, add f95-cpp-input.
3864 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3866 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
3868 PR tree-optimization/24262
3869 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3870 in loop all the time.
3872 2005-10-12 Richard Henderson <rth@redhat.com>
3875 * tree.h (DECL_TRANSPARENT_UNION): Remove.
3876 * function.c (assign_parm_find_data_types): Don't support it.
3877 * print-tree.c (print_node): Likewise.
3878 * c-common.c (handle_transparent_union_attribute): Likewise.
3879 Use build_duplicate_type.
3880 * tree-inline.c (remap_type_1): Split out of remap_type;
3881 properly remap aggregate fields.
3882 (build_duplicate_type): New.
3883 * doc/extend.texi (Variable Attributes): Remove documentation
3884 for transparent_union.
3886 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3889 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3890 (gen_stack_pointer_dec): Likewise.
3892 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
3896 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3898 (struct cxx): Add adjust_class_at_definition target hook.
3899 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3900 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3901 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3902 hook_void_tree. Add to TARGET_CXX.
3903 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3905 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3906 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3907 instead of attribute. Check for dllexport override. Warn if
3908 inconsistent dll linkage. Don't lose old dllimport if decl has
3909 had address referenced. Tweak lookup of dllimport atribute.
3910 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3911 for target specific rules. Don't add dllimport attribute if
3912 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
3913 dllimport attribute.
3914 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3915 * varasm.c (initializer_constant_valid_p): Replace
3916 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3920 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3921 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3922 (i[34567]86-*-mingw32*): Likewise.
3924 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3925 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3927 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3928 C++-specific code. Change return value to bool.
3929 (i386_pe_dllimport_p): Likewise.
3930 (associated_type): Simplify and make language-independent
3931 (i386_pe_encode_section_info): Replace override of ambiguous
3932 dllimport symbol refs with a gcc_assert.
3933 (i386_pe_valid_dllimport_attribute_p): Define.
3934 * config/i386/winnt-cxx.c: New file. Define C++ versions of
3935 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3936 i386_pe_adjust_class_at_definition.
3937 * config/i386/winnt-stubs.c: New file. Define stub versions of
3938 lang-specific functions.
3939 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3940 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3941 i386_pe_adjust_class_at_definition.
3942 (i386_pe_valid_dllimport_attribute_p): Declare.
3943 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3944 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3945 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3948 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3949 dllimport attribute with test of DECL_DLLIMPORT_P.
3951 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
3953 * combine.c (make_extraction): Correct offset computation.
3955 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
3957 * config/cris/t-linux (LIMITS_H_TEST): Define.
3959 2005-10-12 Richard Henderson <rth@redhat.com>
3962 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3964 2005-10-12 Richard Guenther <rguenther@suse.de>
3966 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3968 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
3971 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3972 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3975 2005-10-12 Richard Guenther <rguenther@suse.de>
3978 * varasm.c (output_constant): Correct typo from previous
3981 2005-10-11 Ian Lance Taylor <ian@airs.com>
3983 PR rtl-optimization/13931
3984 * combine.c: Revert patch of 2003-05-14, and:
3985 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3986 completely killed in the appropriate insn.
3987 (distribute_notes): Don't skip multiple hard register test for
3988 elim_i1 and elim_i2.
3990 2005-10-11 Richard Henderson <rth@redhat.com>
3993 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3994 to initialize a transparent union instead of a nop_expr.
3996 2005-10-11 Richard Henderson <rth@redhat.com>
3998 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3999 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4000 (tree_ssa_dce_loop): Call scev_reset.
4003 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4004 * tree-ssa-dce.c: Include cfgloop.h.
4005 (tree_ssa_dce_loop, pass_dce_loop): New.
4006 * tree-pass.h (pass_dce_loop): Declare it.
4007 * passes.c (init_optimization_passes): Use it.
4009 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4012 * convert.c (convert_to_real): Revert 2005-10-05 patch.
4013 Only apply the optimization for rounding builtins if the inner
4014 cast is also an extension.
4016 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
4019 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4020 mark_new_vars_to_rename instead of update_stmt.
4022 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
4024 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4026 2005-10-11 Jakub Jelinek <jakub@redhat.com>
4028 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4029 for setting MMX register to 0 rather than mmx.
4031 2005-10-10 Steve Ellcey <sje@cup.hp.com>
4034 * configure.ac: Move gas check from mips specific case to common case.
4035 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4036 * configure: Regenerate
4037 * doc/install.texi: Update.
4039 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4042 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4044 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
4046 * gcc.c (do_spec_1): Accept numeric characters in file name
4049 2005-10-10 Nick Clifton <nickc@redhat.com>
4051 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
4052 describing the deleted arm_gen_rotated_half_load function.
4054 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
4056 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4059 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
4061 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4063 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4064 (EXTRA_MULTILIB_PARTS): Define.
4065 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4066 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4067 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4068 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4069 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4070 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4072 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
4074 PR tree-optimization/24226
4075 * tree-cfg.c (remove_bb): Clean up unreachable loops.
4076 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4077 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4080 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4082 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4084 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4087 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4088 Rewrite for no need for the early clobber.
4090 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4092 Merge from csl-arm-branch:
4093 2005-09-07 Paul Brook <paul@codesourcery.com>
4094 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4097 2005-04-30 Paul Brook <paul@codesourcery.com>
4098 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4099 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4101 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4102 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4103 (arm_override_options): Use TARGET_AAPCS_BASED.
4104 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4105 (PTRDIFF_TYPE): Use int for AAPCS.
4106 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4107 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4108 (DEFAULT_SHORT_ENUMS): Delete.
4109 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4111 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4112 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4113 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4114 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4116 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4117 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4119 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4120 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4122 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4123 * config.gcc (arm*-*-linux-gnueabi): Add it.
4124 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4126 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4127 * config/arm/linux-eabi.h: New file.
4128 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4129 (LINUX_TARET_LINK_SPEC): Likewise.
4130 (LINK_SPEC): Use it.
4131 * config/arm/t-linux-eabi: New file.
4133 2005-10-08 Steven Bosscher <stevenb@suse.de>
4136 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4138 (PARAM_SMS_DFA_HISTORY): Likewise.
4140 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4143 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4144 (load_register_parameters): Call it.
4145 (check_sibcall_argument_overlap_1): Likewise.
4146 (store_one_arg): Likewise.
4148 2005-10-07 James E. Wilson <wilson@specifix.com>
4150 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4151 DImode not VECINT24 for operand 2.
4154 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4158 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4159 fr_spill): Use destination_operand for operand 0.
4161 2005-10-07 DJ Delorie <dj@redhat.com>
4163 * varasm.c (output_constant): Limit error to expanding
4166 2005-10-07 Richard Guenther <rguenther@suse.de>
4169 * fold-const.c (fold_binary): Fix operand types during folding
4170 of X op (A, Y). Evaluation order of the side-effects of
4171 X and A are frontend-defined, so ensure we honour that even for
4172 tcc_comparison class operands; eased by removing duplicate code.
4174 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4176 * stor-layout.c (layout_type): Do not allow alignment of array
4177 elements to be greater than their size.
4179 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4181 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4183 (hppa*-*-linux*): Ditto.
4184 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4185 * config/host-hpux.c: New.
4186 * config/x-hpux: New.
4187 * config/pa/x-hpux: Remove.
4188 * config/pa/x-linux: Remove.
4189 * config/pa/pa-host.c: Remove.
4191 2005-10-07 Jeff Law <law@redhat.com>
4193 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4194 determine whether or not to try and thread outgoing edges.
4196 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4198 * config/rs6000/rs6000.md (eqsi_power): New.
4199 (neg_eq0si): Add TARGET_POWER to final condition.
4202 2005-10-06 Richard Henderson <rth@redhat.com>
4204 * config/rs6000/rs6000.c: Revert last change.
4206 2005-10-06 Richard Henderson <rth@redhat.com>
4208 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4209 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4211 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4215 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4216 out return_label and naked_return_label.
4218 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4220 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4223 2005-10-06 Richard Henderson <rth@redhat.com>
4226 * tree-inline.c (declare_return_variable): Handle modify_dest not
4229 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4231 Fix PR tree-optimization/22488
4232 * tree-ssa-structalias.c (check_for_overlaps): New function.
4233 (create_variable_info_for): Use it.
4235 2005-10-06 Richard Henderson <rth@redhat.com>
4238 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4239 (dwarf2out_start_source_file): Print it.
4241 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4243 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4245 2005-10-06 Richard Henderson <rth@redhat.com>
4248 * mode-switching.c (optimize_mode_switching): Clear transp bit
4249 for block with incomming abnormal edges.
4251 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4252 (fpscr_set_from_mem): Use them.
4253 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4254 (fpscr postinc splitters): Rewrite as peephole2+split.
4256 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4258 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4259 (eq<mode>_compare): Same.
4261 2005-10-06 Richard Guenther <rguenther@suse.de>
4263 PR tree-optimization/24238
4264 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4266 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4268 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4269 here. Use AC_PATH_PROG for environment variables instead of
4271 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4273 * configure: Regenerated.
4275 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4278 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4279 then force it into a register.
4280 (call_value): Likewise.
4282 2005-10-06 Richard Henderson <rth@redhat.com>
4285 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4286 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4287 under pass_vectorize.
4289 2005-10-05 Devang Patel <dpatel@apple.com>
4292 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4293 handling constants. Check NAMESPACE_DECL context for constants.
4295 2005-10-05 Eric Christopher <echristo@apple.com>
4297 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4299 2005-10-05 Richard Henderson <rth@redhat.com>
4302 * tree-cfg.c (mark_array_ref_addressable_1): New.
4303 (mark_array_ref_addressable): New.
4304 * tree-flow.h (mark_array_ref_addressable): Declare.
4305 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4307 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4311 * reload.c (subst_reloads): When adding a REG_LABEL to a
4312 jump instruction, also update JUMP_LABEL.
4314 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4316 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4317 * bb-reorder.c (copy_bb_p): Use it.
4318 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4320 2005-10-05 Richard Henderson <rth@redhat.com>
4323 * toplev.c (process_options): Warn about unsupported combinations
4324 of unwind tables and omit-frame-pointer.
4325 * config/i386/i386.c (override_options): Similarly. Enable
4326 accumulate-outgoing-args if not explicitly disabled.
4328 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4330 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4331 Handle big endian vs. small endian.
4332 (vec_initv2sf): Handle big endian vs. small endian.
4333 (*vec_extractv2sf_1): Ditto.
4335 2005-10-05 Dale Johannesen <dalej@apple.com>
4337 * convert.c (convert_to_real): Don't convert
4338 (float)floor(double d) to floorf((float)d).
4340 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4342 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4344 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4346 PR tree-optimization/18587
4347 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4348 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4349 build_vuses): Change to VEC type.
4350 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4351 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4352 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4353 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4354 (get_name_decl): New. Return DECL_UID of base variable.
4355 (operand_build_cmp): New. qsort comparison routine.
4356 (operand_build_sort_virtual): New. Sort virtual build vector.
4357 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4358 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4359 (FINALIZE_BASE): Use get_name_decl.
4360 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4361 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4362 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4363 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4364 direct VEC_* manipulations.
4365 (build_ssa_operands): Call operand_build_sort_virtual.
4366 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4367 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4368 with direct VEC_* manipulations.
4369 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4370 with direct VEC manipulations.
4372 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4374 PR tree-optimization/21419
4375 PR tree-optimization/24146
4376 PR tree-optimization/24151
4378 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4379 (build_asm_expr): Call it if outputs are read-only.
4380 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4382 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4383 Paolo Bonzini <bonzini@gnu.org>
4387 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4388 enable the instructions and not just the built-ins.
4389 * doc/invoke.texi (x86 Options): Likewise.
4391 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4393 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4395 * doc/invoke.texi (Option Summary): Correct spelling
4396 of -mmacosx-version-min.
4398 2005-10-04 Devang Patel <dpatel@apple.com>
4400 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4403 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4405 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4406 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4408 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4410 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4411 ("TE","tg"): New mode attributes.
4412 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4413 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4414 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4415 dword_mode and one for GPRmode.
4417 2005-10-04 Ian Lance Taylor <ian@airs.com>
4419 PR preprocessor/13726
4420 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4421 any comments passed in.
4423 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4425 * tree.c (annotate_with_file_line): Fix typo.
4427 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4430 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4431 type used to access data in the inlined length == 1 case, use
4432 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4433 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4435 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4437 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4438 TARGET_SSE3 and only for TARGET_80387.
4439 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4440 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4441 Do not depend on TARGET_80387.
4443 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4445 * tree.c (last_annotated_node): Change type to location_t*.
4446 (annotate_with_file_line): Reflect the change of
4447 last_annotated_node type.
4449 2005-10-04 Richard Guenther <rguenther@suse.de>
4452 * c-decl.c (grokdeclarator): Don't write to fields
4455 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4458 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4460 * varasm.c (make_decl_rtl): If a register variable does not
4461 have a set user assmbler name, error out.
4462 Decode the asmspec is now name+1 bypassing '*'.
4464 2005-10-04 Steven Bosscher <stevenb@suse.de>
4466 PR tree-optimization/23049
4467 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4468 of a COND_EXPR is folded before calling fold on the whole rhs of a
4469 conditional assignment.
4470 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4471 document that a COND_EXPR may appear there.
4473 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4476 * tree-vrp.c (extract_range_from_assert): If the new numeric
4477 range created out of the assertion contradicts the existing
4478 numeric range of the ASSERT_EXPR variable, make the new range
4481 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4483 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4484 from T_REGS to FP register class.
4486 2005-10-03 Richard Henderson <rth@redhat.com>
4489 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4490 before creating a new one.
4492 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4494 * config/rs6000/t-aix43 (LDFLAGS): New.
4495 * config/rs6000/t-aix52 (LDFLAGS): New.
4497 2005-10-03 Ian Lance Taylor <ian@airs.com>
4499 * gimplify.c (find_single_pointer_decl_1): New static function.
4500 (find_single_pointer_decl): New static function.
4501 (internal_get_tmp_var): For a formal variable, set restrict base
4502 information if appropriate.
4503 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4505 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4506 (DECL_GET_RESTRICT_BASE): Define.
4507 (SET_DECL_RESTRICT_BASE): Define.
4508 (decl_restrict_base_lookup): Declare.
4509 (decl_restrict_base_insert): Declare.
4510 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4511 * tree.c (restrict_base_for_decl): New static variable.
4512 (init_ttree): Initialize restrict_base_for_decl.
4513 (copy_node_stat): Copy restrict base information.
4514 (decl_restrict_base_lookup): New function.
4515 (decl_restrict_base_insert): New function.
4516 (print_restrict_base_statistics): New static function.
4517 (dump_tree_statistics): Call print_restrict_base_statistics.
4519 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4522 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4523 case of anti-ranges.
4525 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4528 * c-typeck.c (tagged_tu_seen): Rename to ...
4529 (tagged_tu_seen_cache): this and add val field.
4530 (comptypes): Move functional to comptypes_internal
4531 and free tagged_tu_seen.
4532 (comptypes_internal): New function and call comptypes_internal
4533 instead of comptypes. Speed up by sibcalling
4534 tagged_types_tu_compatible_p.
4535 (alloc_tagged_tu_seen): New function
4536 (free_all_tagged_tu_seen_up_to): New function.
4537 (tagged_types_tu_compatible_p): Return the val of the seen two
4539 Add that the two types are the same to tagged_tu_seen_base
4540 if they are and call comptypes_internal instead of comptypes.
4541 <case UNION_TYPE>: Speed up common type where the fields are
4543 (function_types_compatible_p): Call comptypes_internal instead of
4545 (type_lists_compatible_p): Likewise.
4546 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4548 2005-10-02 Matthias Klose <doko@debian.org>
4550 * doc/invoke.texi: Fix typo and speling error.
4552 2005-10-01 Richard Henderson <rth@redhat.com>
4554 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4556 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4558 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4559 using --start-group and --end-group.
4561 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4563 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4564 FIXME note regarding quirky semantics.
4566 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4569 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4570 non-null range as a last resort.
4572 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4573 Diego Novillo <dnovillo@redhat.com>
4576 * tree-vrp.c (extract_range_from_assert): For !=
4577 assertions, only build an anti-range if LIMIT is a
4578 single-valued range.
4580 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
4582 * arm.md (movqi): On thumb when optimizing, handle loading from
4583 memory by describing this as taking a subreg of a zero-extended load
4584 into an SImode register.
4587 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4589 * reload1.c (merge_assigned_reloads): Do not change any
4590 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4592 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4594 * Makefile.in (LIPO_FOR_TARGET): Define.
4595 (STRIP_FOR_TARGET): Define.
4597 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4598 before creating new ones. Do symlinks before creating the actual
4601 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4602 to work out which multilibs are actually being built.
4604 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
4606 * tree-vect-transform.c, config/ms1/ms1.md,
4607 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4608 Follow spelling conventions.
4609 * doc/invoke.texi, doc/md.texi: Fix typos.
4611 2005-09-30 Andrew Macleod <amacleod@redat.com>
4613 PR tree-optimization/21430
4614 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4615 use operands, and set stmt pointer if need be.
4616 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4617 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4620 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4623 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4625 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4627 * optabs.c (expand_binop): Initialize first_pass_p.
4629 2005-09-29 Jakub Jelinek <jakub@redhat.com>
4632 * c-decl.c (c_write_global_declarations_1): If any
4633 wrapup_global_declaration_2 call returned true, restart the loop.
4635 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4637 Fix PR tree-optimization/24117
4638 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4639 before considering whether to use anyoffset.
4641 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4645 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4647 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4649 (swap_commutative_operands_with_target): New.
4651 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4654 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4657 2005-09-29 Steven Bosscher <stevenb@suse.de>
4659 PR tree-optimization/23911
4660 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4661 and IMAGPART_EXPR too.
4663 2005-09-28 Mark Mitchell <mark@codesourcery.com>
4666 * expmed.c (expand_shift): Move logic to reverse rotation
4667 direction when rotating by constants ...
4668 * optabs.c (expand_binop): ... here.
4669 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4670 (ix86_rotrdi3): New pattern.
4671 (rotldi3): Handle 32-bit mode.
4672 (ix86_rotldi3): New pattern.
4674 2005-09-29 Alan Modra <amodra@bigpond.net.au>
4677 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4678 check for numbers that need no bit twiddle.
4680 2005-09-28 Geoffrey Keating <geoffk@apple.com>
4682 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4683 multilib to be built.
4685 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4686 (stage1-start): Delete old libgcc and libunwind before moving
4687 anything into the stage directory.
4688 (stage2-start): Likewise.
4689 (stage3-start): Likewise.
4690 (stage4-start): Likewise.
4691 (stageprofile-start): Likewise.
4692 (stagefeedback-start): Likewise.
4693 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4694 header in tm_file and CPU-specific t-darwin in tmake_file.
4695 (i[34567]86-*-darwin*): Don't change tm_file.
4696 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4697 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4698 shared library stub for target OS version.
4699 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4700 (SHLIB_LINK): Don't make SHLIB_SOLINK.
4701 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4702 (libgcc_s.%.dylib): New.
4704 (install-darwin-libgcc-stubs): New.
4705 (INSTALL_LIBGCC): New append.
4706 * config/i386/darwin-libgcc.10.4.ver: New.
4707 * config/i386/darwin-libgcc.10.5.ver: New.
4708 * config/i386/t-darwin: New.
4709 * config/rs6000/darwin-libgcc.10.4.ver: New.
4710 * config/rs6000/darwin-libgcc.10.5.ver: New.
4711 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4712 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4714 2005-09-28 Paul Brook <paul@codesourcery.com>
4716 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4719 2005-09-28 Richard Guenther <rguenther@suse.de>
4721 PR tree-optimization/23853
4722 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4723 host_integerp to verify misalignment value.
4725 2005-09-28 Richard Henderson <rth@redhat.com>
4727 * builtins.c (get_builtin_sync_mode): New.
4728 (expand_builtin_sync_operation): Pass in mode argument.
4729 (expand_builtin_compare_and_swap): Likewise.
4730 (expand_builtin_lock_test_and_set): Likewise.
4731 (expand_builtin_lock_release): Likewise.
4732 (expand_builtin): Update to match.
4734 2005-09-28 Nick Clifton <nickc@redhat.com>
4736 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4737 formatting. Add check to PLUS case to ensure that the offset is
4738 within an acceptable range.
4740 * config/v850/v850.md (casesi): Disable the generation of the
4741 switch pattern as it is not being handled properly at the moment.
4743 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4744 for when the high words are identical.
4746 2005-09-27 Richard Henderson <rth@redhat.com>
4748 * pretty-print.c (pp_base_format): Fix typo for %>.
4750 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
4751 Devang Patel <dpatel@apple.com>
4753 PR tree-optimization/23625
4754 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4755 LABEL_EXPR, assertion check.
4757 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
4759 * optabs.c (no_conflict_move_test): Check if a result of a
4760 to-be-moved insn would be clobbered by an originally
4763 2005-09-27 Jeff Law <law@redhat.com>
4765 * passes.c (init_optimization_passes): Replace copy propagation
4766 passes immediately after DOM with phi-only copy propagation
4767 pases. Add phi-only copy propagation pass after first DOM pass.
4768 * tree-pass.h (pass_phi_only_copy_prop): Declare.
4769 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4770 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4771 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
4772 to init_copy_prop. Callers updated.
4773 (do_phi_only_copy_prop): New function.
4774 (pass_phi_only_copy_prop): New pass descriptor.
4776 2005-09-27 Nick Clifton <nickc@redhat.com>
4778 * libgcc2.c (__popcount_tab): Remove redundant prototype.
4780 2005-09-26 Jason Merrill <jason@redhat.com>
4783 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4785 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4787 2005-09-26 James E Wilson <wilson@specifix.com>
4789 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4790 copyright. Add gcc copyright plus libgcc exception.
4791 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
4793 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4795 2005-09-26 Jeff Law <law@redhat.com>
4797 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4798 about when to iterate.
4800 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
4803 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4804 for __complex__ double in -mcpu=G5 mode.
4806 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
4808 PR tree-optimization/23942
4809 * Makefile.in (SCEV_H): Depends on PARAMS_H.
4810 * tree-scalar-evolution.c: Include params.h.
4812 (follow_ssa_edge, follow_ssa_edge_in_rhs,
4813 follow_ssa_edge_in_condition_phi_branch,
4814 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4815 Change return type to t_bool. Use a parameter to limit the size of
4816 trees that are walked before stopping
4817 (analyze_evolution_in_loop): Initialize the limit to 0.
4818 (follow_ssa_edge): Give up by returning t_dont_know if the limit
4819 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4821 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4824 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4825 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4827 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
4829 * combine.c (make_extraction): Check for valid use of subreg.
4831 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4834 * config/i386/i386.md ("*fistdi2_1"): New pattern.
4835 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4836 ("fist<mode>2_with_temp"): Use only register operands.
4838 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
4840 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4841 CALL_INSN_FUNCTION_USAGE.
4843 2005-09-26 Richard Guenther <rguenther@suse.de>
4846 * gcse.c: Include hashtab.h, define ldst entry hashtable.
4847 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4848 (ldst_entry): Use the hashtable instead of list-walking.
4849 (find_rtx_in_ldst): Likewise.
4850 (free_ldst_entry): Free the hashtable.
4851 (compute_ld_motion_mems): Create the hashtable.
4852 (trim_ld_motion_mems): Remove entry from hashtable if
4853 removing it from list.
4854 (compute_store_table): Likewise^2.
4855 (store_motion): Free hashtable in case we did not see
4858 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
4860 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4861 and arg1 if we are passing them to fold_build2.
4863 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
4866 * config/i386/i386.c (ix86_function_regparm): Fix the test for
4869 2005-09-25 Richard Henderson <rth@redhat.com>
4871 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4872 SYMBOL_REF_TLS_MODEL to be correct.
4874 2005-09-24 Richard Henderson <rth@redhat.com>
4876 * ipa-type-escape.c (discover_unique_type): Remove dead code at
4877 end of function. Reindent.
4879 2005-09-24 Ian Lance Taylor <ian@airs.com>
4881 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4882 NEGATE_EXPR/BIT_NOT_EXPR case.
4884 2005-09-24 Richard Henderson <rth@redhat.com>
4886 * c-common.c (handle_mode_attribute): When not modifying in place,
4887 create subtypes for enumerations.
4888 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4889 * gimplify.c (create_tmp_from_val): Likewise.
4891 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
4893 * config/i386/i386.md (*tls_global_dynamic_64,
4894 *tls_local_dynamic_base_64): Add missing mode to call.
4895 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4897 2005-09-24 Jan Hubicka <jh@suse.cz>
4899 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4900 (cgraph_clone_node): Likewise.
4901 * cgraph.h (cgraph_clone_edge): Update prototype.
4902 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4903 duplicated prototypes; add updating argument.
4904 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4905 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4907 (cgraph_mark_inline_edge): Likewise.
4908 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4909 (cgraph_flatten_node): Likewise.
4910 (cgraph_decide_recursive_inlining): Likewise.
4911 (cgraph_decide_inlining_of_small_function): Likewise.
4912 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4914 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4915 Pete Steinmetz <steinmtz@us.ibm.com>
4917 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4918 (rldic.): Set type to "compare".
4920 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
4921 mfjmpr for MFCTR/MFLR.
4922 (movdf_hardfloat64): Same.
4923 (movdf_softfloat64): Same. Correct order of store and move types.
4924 (movti_string): Set type to store_ux/load_ux.
4925 (load_multiple): Set type to load_ux.
4926 (store_multiple): Set type to store_ux.
4927 (movmemsi): Set type to store_ux.
4928 (output_cbranch direct_return): Set type to jmpreg.
4929 (stmw): Set type to store_ux.
4930 (lmw): Set type to load_ux.
4931 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4932 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4933 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4934 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4935 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4936 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4937 (rios1-fpstore): Increase latency to 3.
4938 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4939 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4941 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4942 Andrew Pinski <pinskia@physics.uc.edu>
4944 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4945 operand2 constraint to "b".
4946 (sync_<fetchop_name>di_internal): Same.
4947 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4949 (sync_old_<fetchop_name>di_internal): Same.
4950 (sync_new_<fetchop_name>si_internal): Same.
4951 (sync_new_<fetchop_name>di_internal): Same.
4953 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
4956 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4957 case, define as macros.
4959 PR rtl-optimization/23837
4960 * optabs.c (no_conflict_move_test): Don't set must_stay for a
4961 clobber / clobber match between dest and p->first.
4963 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4964 (no_conflict_move_test): Update comments.
4966 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4968 * doc/install.texi: Update URL for Jacks.
4969 * doc/sourcebuild.texi: Likewise.
4971 2005-09-22 David Edelsohn <edelsohn@gnu.org>
4974 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4975 registers when choosing register preferences.
4976 (movdf_hardfloat64): Same.
4978 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
4980 * expmed.c (expand_shift): Don't use the target of the rotate as
4981 target for the first expanded shift insn.
4982 * testsuite/gcc.dg/20050922-1.c: Testcase added.
4984 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4986 PR tree-optimization/22438
4987 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4988 preserved iv rhs rewriting specially.
4990 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4992 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4993 estimate_only is true.
4994 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4995 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4996 tree-ssa-structalias.c
4997 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4998 ref_contains_indirect_ref.
4999 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5001 2005-09-21 DJ Delorie <dj@redhat.com>
5003 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5005 (mn10300_return_in_memory): Support variable size types also.
5006 (mn10300_pass_by_reference): Likewise.
5007 (mn10300_function_value): New.
5008 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5009 (FUNCTION_OUTGOING_VALUE): Likewise.
5010 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5011 * doc/invoke.texi: Document it.
5013 2005-09-21 Uros Bizjak <uros@kss-loka.si>
5016 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5017 force integer op1 into register for XFmode compares.
5019 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5022 * expmed.c (alg_code): Add alg_impossible.
5023 (alg_hash_entry): Add cost.
5024 (synth_mult): Record alg_impossible in the hash table if
5025 multiplication by a given integer is impossble within the
5026 limit. Speed up using alg_impossible.
5028 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5030 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5031 argument. Allow and set any offset if needs_anyoffset is passed
5033 (get_constraint_for): Add argument here too.
5035 (do_structure_copy): Pass NULL to get_constraint_for.
5036 (handle_ptr_arith): Ditto.
5037 (find_func_aliases): Ditto.
5039 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
5041 PR rtl-optimization/23898
5042 * output.h (get_attr_min_length): Declare.
5043 * final.c (get_attr_length_1): New function, broken out of:
5045 (get_attr_min_length): New function.
5046 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5047 (duplicate_computed_gotos): Likewise.
5048 * genattr.c (insn_min_length): Generate declaration.
5049 * genattrtab.c (min_fn, min_attr_value): New functions.
5050 (make_length_attrs): Generate insn_min_length.
5052 2005-09-20 Steve Ellcey <sje@cup.hp.com>
5054 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5056 2005-09-20 Richard Henderson <rth@redhat.com>
5058 PR tree-optimization/24059
5059 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5062 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
5064 * c.opt (fextended-identifiers): New.
5065 * c-opts.c (c_common_handle_option): Handle
5066 -fextended-identifiers.
5067 * doc/cpp.texi: Update documentation of extended identifiers.
5068 * doc/cppopts.texi (-fextended-identifiers): Document.
5070 2005-09-20 Jakub Jelinek <jakub@redhat.com>
5072 PR tree-optimization/23929
5073 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5076 PR tree-optimization/23818
5077 * tree-stdarg.c (execute_optimize_stdarg): Call
5078 calculate_dominance_info.
5080 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5082 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5083 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5084 (compute_overlap_steps_for_affine_1_2): Use
5085 get_number_of_iters_for_loop.
5086 (analyze_subscript_affine_affine): Check whether difference is
5088 Use get_number_of_iters_for_loop.
5089 Check whether overlap occurs outside of bounds.
5090 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5092 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5094 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5095 base register if possible.
5097 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5099 PR tree-optimization/18463
5100 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5101 converting it directly is not possible.
5102 (chrec_convert_aggressive): New function.
5103 * tree-chrec.h (chrec_convert_aggressive): Declare.
5104 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5105 Fold chrec conversions aggressively if asked to.
5106 (instantiate_parameters): Modified because of changes in
5107 instantiate_parameters_1.
5109 2005-09-19 Richard Henderson <rth@redhat.com>
5111 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5112 (reduc_splus_v2df): New.
5114 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5116 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5117 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5119 2005-09-19 Richard Henderson <rth@redhat.com>
5121 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5124 2005-09-19 Richard Henderson <rth@redhat.com>
5126 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5127 (ia64_expand_dot_prod_v8qi): New.
5128 * config/ia64/ia64-protos.h: Update.
5129 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5130 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5131 sdot_prodv8qi, sdot_prodv4hi): New.
5132 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5134 2005-09-19 Richard Henderson <rth@redhat.com>
5137 * real.c (exact_real_truncate): Return false if the format cannot
5138 represent the number as a normal.
5140 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5141 for a memory source.
5143 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5145 * tree-ssa-operands.c (swap_tree_operands): Export.
5146 * tree.h (swap_tree_operands): Declare.
5147 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5148 Call swap_tree_operands.
5150 2005-09-19 Richard Henderson <rth@redhat.com>
5152 * tree-flow.h (merge_alias_info): Declare.
5153 * tree-ssa-copy.c (merge_alias_info): Export.
5154 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5155 (vect_create_data_ref_ptr): Use create_iv directly.
5156 (vectorizable_load): Use correct types for integer constants.
5157 (vect_generate_tmps_on_preheader): Likewise.
5158 (vect_gen_niters_for_prolog_loop): Likewise.
5160 2005-09-19 Steven Bosscher <stevenb@suse.de>
5162 PR rtl-optimization/23943
5163 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5165 2005-09-18 Jan Hubicka <jh@suse.cz>
5167 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5169 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5171 * varasm.c (output_constant): Do not abort on conversions to union
5172 types between different sizes.
5174 2005-09-18 Richard Guenther <rguenther@suse.de>
5177 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5180 2005-09-18 Paul Brook <paul@codesourcery.com>
5182 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5184 2005-09-17 Richard Henderson <rth@redhat.com>
5186 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5187 * tree-ssa-loop.c (pass_vect_dce): Remove.
5188 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5191 2005-09-17 Richard Henderson <rth@redhat.com>
5193 * tree-pass.h (pass_vect_dce): Declare.
5194 * passes.c (init_optimization_passes): Add it.
5195 * tree-flow.h (tree_ssa_dce): Declare.
5196 * tree-ssa-dce.c (tree_ssa_dce): Export.
5197 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5198 (gate_tree_vectorize): ... here.
5199 (pass_vect_dce): New.
5201 2005-09-17 Jan Hubicka <jh@suse.cz>
5203 * except.c (struct eh_status): Turn region_array into vec.
5204 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5205 convert_from_eh_region_ranges, find_exception_handler_labels,
5206 current_function_has_exception_handlers, assign_filter_values,
5207 build_post_landing_pads, dw2_build_landing_pads,
5208 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5209 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5210 foreach_reachable_handler, can_throw_internal_1,
5211 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5213 (duplicate_eh_region_1): Update region_array.
5214 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5216 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5219 * expmed.c (expand_mult): Substitute simple register for op0 when
5222 2005-09-17 Richard Henderson <rth@redhat.com>
5224 * expr.c (emit_move_via_integer): Add force argument, pass it on
5225 to emit_move_change_mode. Update callers.
5226 (emit_move_complex): Pass true to new force argument.
5227 * function.c (expand_function_end): Move expand_eh_return call
5228 earlier. Merge sub-word complex values into a pseudo before
5229 copying to the return hard register.
5231 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5233 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5234 between different sizes.
5236 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5240 * passes.c (init_optimization_passes): Register dump files for
5243 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5245 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5246 * config/s390/s390.c (s390_overlap_p): New function.
5247 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5248 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5251 2005-09-16 Richard Guenther <rguenther@suse.de>
5253 * ipa-pure-const.c (static_execute): Free auxiliar information.
5254 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5255 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5257 2005-09-15 DJ Delorie <dj@redhat.com>
5259 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5261 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5263 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5265 (swap_commutative_operands_with_target): New.
5267 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5269 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5272 (estimate_iters_using_array): New function.
5273 * tree-data-ref.h (estimate_iters_using_array): Prototype
5274 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5275 Use estimate_iters_using_array instead of analyze_array.
5277 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5279 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5282 2005-09-15 Michael Matz <matz@suse.de>
5284 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5286 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5288 PR tree-optimization/23835
5289 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5290 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5292 2005-09-14 Richard Henderson <rth@redhat.com>
5294 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5295 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5297 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5299 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5300 in the ARRAY_TYPE case.
5302 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5304 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5306 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5309 * tree-vect-transform.c (vectorizable_operation): Return false for
5310 scalar shift operations and for vector shift operations with
5311 non-invariant shift arguments. Use scalar tree operand op1 as
5312 a shift operand when vector shift insn pattern uses scalar shift
5314 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5316 2005-09-14 Olivier Hainque <hainque@adacore.com>
5318 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5319 value if it has side-effects.
5321 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5324 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5326 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5328 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5329 passed as NAME as if it were label at start of function code.
5331 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5333 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5336 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5338 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5339 as early clobber. Rewrite so the PIC register is not implicitly used.
5341 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5343 * tree.c (annotate_with_file_line): Compare line numbers before
5346 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5349 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5350 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5352 2005-09-13 Ian Lance Taylor <ian@airs.com>
5354 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5355 than a HOST_WIDEST_INT to gen_doloop_begin.
5357 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5359 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5361 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5363 PR tree-optimize/23817
5364 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5366 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5369 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5370 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5371 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5372 (restore_stack_nonlocal): Likewise.
5373 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5375 2005-09-12 Ian Lance Taylor <ian@airs.com>
5378 * c.opt (ffriend-injection): New C++ option.
5379 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5380 (C++ Dialect Options): Document -ffriend-injection.
5382 2005-09-12 Josh Conner <jconner@apple.com>
5385 * ipa-reference.c (static_execute): Don't mark variables in
5386 named sections TREE_READONLY.
5388 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5390 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5393 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5395 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5396 V_MUST_DEF instead of just the first_use_p.
5397 Don't mark the virtual variables for renaming on the statement which
5399 (pass_dse): Remove TODO_update_ssa.
5401 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5404 * stor-layout.c (compute_record_mode): For records with a single
5405 field, actually check the field's mode size against the type size.
5407 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5408 registers for TARGET_SHMEDIA.
5409 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5410 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5411 of GENERAL_REGS and FP_REGS.
5413 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5415 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5417 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5419 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5420 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5421 are omitted. Exclude stack_tie insn too.
5423 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5425 PR rtl-optimization/23098
5426 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5428 * config/rs6000/rs6000.md (movdf splitter): Use
5429 const_double_operand predicate for TARGET_POWERPC64.
5430 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5431 SYMBOL_REF method to ABI_V4.
5433 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5434 replace_equiv_address.
5435 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5436 rs6000_sr_alias_set and MEM_NOTRAP.
5437 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5439 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5441 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5442 handle CALL_EXPR again.
5444 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5446 * arm/predicates.md (alignable_memory_operand): Delete.
5448 2005-09-10 Richard Henderson <rth@redhat.com>
5451 * dbxout.c (dbxout_expand_expr): New.
5452 (dbxout_symbol): Use it.
5454 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5456 * arm.c (arm_gen_rotated_half_load): Delete.
5457 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5458 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5459 (thumb_set_return_address): Likewise.
5460 (thumb_load_double_from_address): Use adjust_address.
5461 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5462 (extendhsisi2_mem, movhi_bytes): Use change_address.
5463 (movhi): Use widen_memory_access.
5464 (reload_out_df): Use replace_equiv_address.
5465 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5467 2005-09-09 Richard Henderson <rth@redhat.com>
5470 * dbxout.c: Include expr.h.
5471 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5472 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5473 * Makefile.in (dbxout.o): Add EXPR_H.
5475 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5477 PR tree-optimization/23509
5478 * tree-cfg.c (replace_uses_by): Use replace_exp.
5479 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5480 pointers have name_mem_tag or type_mem_tag set.
5482 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5484 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5485 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5486 of wrongly accessing operands.
5488 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5490 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5491 * tree-chrec.c: Include tree-scalar-evolution.h.
5492 (chrec_convert): Instantiate the base and step before calling
5493 scev_probably_wraps_p that would fail on parametric evolutions.
5494 Collect all the fails into a single section failed_to_convert,
5495 print a diagnostic, and return chrec_dont_know instead of calling
5497 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5498 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5500 (scev_const_prop): Don't replace the definition of a loop closed ssa
5501 phi node by itself, or by another loop closed ssa phi node.
5502 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5503 that base and step are defined.
5505 2005-09-09 Richard Guenther <rguenther@suse.de>
5508 * fold-const.c (fold_ternary): Check truth_value_p before
5509 calling invert_truthvalue.
5511 2005-09-09 Nick Clifton <nickc@redhat.com>
5513 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5514 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5515 dimension of these arrays.
5516 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5518 * longlong.h: Only provide a prototype for the __clz_tab[] array
5519 if this header has not been included from libgcc2.h.
5520 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5522 Provide prototypes for exported functions.
5523 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5526 2005-09-08 Josh Conner <jconner@apple.com>
5530 * expr.c (expand_expr_addr_expr_1): Don't invoke
5531 expand_simple_binop for EXPAND_INITIALIZER.
5533 2005-09-08 Richard Henderson <rth@redhat.com>
5536 * toplev.c (wrapup_global_declaration_1): Split out ...
5537 (wrapup_global_declaration_2): ... from ...
5538 (wrapup_global_declarations): ... here. Return bool.
5539 (check_global_declaration_1): Split out ...
5540 (check_global_declarations): from here.
5541 (emit_debug_global_declarations): New.
5542 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5543 check_global_declaration_1, emit_debug_global_declarations): Declare.
5544 * c-decl.c (c_write_global_declarations_1): Don't create a vector
5545 of decls. Call wrapup_global_declaration_1,
5546 wrapup_global_declaration_2, check_global_declaration_1 directly.
5547 (c_write_global_declarations_2): New.
5549 (c_write_global_declarations): Call c_write_global_declarations_2.
5550 * langhooks.c (write_global_declarations): Call
5551 emit_debug_global_declarations.
5553 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5554 remove decls that have DECL_RTL_SET_P.
5555 * passes.c (rest_of_decl_compilation): Invoke
5556 cgraph_varpool_finalize_decl for all but functions.
5558 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5560 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5561 the result of a conversion if the new min and max cannot be compared.
5563 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
5565 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5566 (override_options): Setting s390_sr_alias_set removed.
5567 (save_fpr, save_gprs): Set alias set to vararg or frame.
5568 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5569 s390_sr_alias_set with get_frame_alias_set ().
5570 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5571 get_varargs_alias_set ().
5573 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5577 * c-parser.c (c_parser_objc_method_definition): If the next
5578 token is not "{", error out and don't start the function.
5580 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5582 * tree-vrp.c (extract_range_from_expr): Move the check for non
5583 nullness after the check for gimple invariant.
5585 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5587 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5589 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5592 * config/m32r.md (movmemsi_internal): Canonicalize order of
5593 operands in PLUS component of template.
5595 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
5597 * reload1.c (fixup_eh_region_note): Remove assertion.
5598 (fixup_abnormal_edges): Reverted removal of call to
5599 find_many_sub_basic_blocks made on 2005-08-31.
5601 2005-09-07 Richard Henderson <rth@redhat.com>
5603 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5604 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5605 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5606 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5607 rearrange for better packing.
5608 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5609 (lookup_cfa_1): Remove inline marker.
5610 (cfa_equal_p): Split out of ...
5611 (def_cfa_1): ... here. Use INVALID_REGNUM.
5612 (build_cfa_loc): Handle !cfa->indirect.
5613 (frame_pointer_cfa_offset): New.
5614 (dbx_reg_number): Assert register elimination performed; do
5615 leaf register remapping.
5616 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5617 (eliminate_reg_to_offset): New.
5618 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
5619 for verifiably local stack frame addresses; re-base to CFA.
5620 (mem_loc_descriptor): Remove can_use_fbreg argument.
5621 (concat_loc_descriptor, loc_descriptor): Likewise.
5622 (containing_function_has_frame_base): Remove.
5623 (rtl_for_decl_location): Don't do register elimination or
5624 leaf register remapping here.
5625 (secname_for_decl): Split out from ..
5626 (add_location_or_const_value_attribute): ... here.
5627 (convert_cfa_to_loc_list): New.
5628 (compute_frame_pointer_to_cfa_displacement): New.
5629 (gen_subprogram_die): Use them.
5630 * tree.h (frame_base_decl): Remove.
5631 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5632 (prologue_stack_adjust): Remove.
5633 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5634 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5635 (set_frame_base_location): Remove.
5636 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5637 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5638 (vt_add_function_parameters): Don't eliminate_regs.
5639 (vt_initialize): Don't create frame_base_decl.
5641 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5643 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5644 version of GNU binutils for 4.x and later.
5646 2005-09-06 Mark Mitchell <mark@codesourcery.com>
5648 * ggc-page.c (ggc_push_context): Remove.
5649 (ggc_pop_context): Likewise.
5650 * ggc.h (ggc_push_context): Remove.
5651 (ggc_pop_context): Likewise.
5653 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5656 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5657 returning from an interrupt handler.
5659 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5662 * config/arc/arc.c (output_shift): Add check for loop count when
5665 2005-09-06 Steven Bosscher <stevenb@suse.de>
5667 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5669 (abs_replacement): Likewise.
5670 (pass_phiopt): Remove TODO_update_ssa.
5672 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5675 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5676 if "return with no value, in function returning non-void" warning
5678 * tree-cfg.c (execute_warn_function_return): Don't look at
5679 RETURN_EXPRs with TREE_NO_WARNING set.
5682 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5683 for internal functions doesn't use registers used by global registers
5684 variables. Use fewer register parameters if there are global register
5687 2005-09-06 Olivier Hainque <hainque@adacore.com>
5688 Eric Botcazou <ebotcazou@adacore.com>
5691 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5692 when we would be extracting outside its bit span (bitpos+bitsize
5693 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5694 Ada unchecked conversions.
5696 2005-09-06 Steven Bosscher <stevenb@suse.de>
5698 * tree-ssa-pre.c (try_look_through_load): New function.
5699 (compute_avail): Use it to try to look through loads for some
5700 more useful expressions.
5702 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5704 * simplify-rtx.c (simplify_binary_operation_1): Correct the
5705 condition for detecting cases like (a&a) and (a^a).
5707 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
5709 * common.opt: Add option ftree-vect-loop-version.
5710 * params.def: Add --param vect-max-version-checks.
5711 * doc/invoke.texi: Document ftree-vect-loop-version and
5712 --param vect-max-version-checks.
5713 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5714 may_misalign_stmts and defines for accessors.
5715 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5716 LOOP_VINFO_MAY_MISALIGN_STMTS.
5717 (destroy_loop_vec_info): VEC_free for
5718 LOOP_VINFO_MAY_MISALIGN_STMTS.
5719 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5720 Update documentation.
5721 (vect_update_misalignment_for_peel): New.
5722 (vect_enhance_data_refs_alignment): Update to choose loop
5723 peeling or loop versioning if appropriate for the (potentially)
5724 unaligned data references in the loop.
5725 (vect_analyze_data_refs_alignment): Remove call to
5726 vect_enhance_data_refs_alignment so the checks can be done
5728 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5729 and move up call to vect_analyze_data_refs_alignment.
5730 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5731 (vect_transform_loop): Add call to loop_version.
5733 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5735 PR rtl-optimization/23098
5736 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5737 * simplify-rtx.c (constant_pool_reference_p): New function.
5738 * rtl.h (constant_pool_reference_p): New prototype.
5739 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5740 constant_pool_reference_p in condition and
5741 avoid_constant_pool_reference in preparation statements.
5743 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
5745 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5746 STRICT_LOW_PART SETs.
5748 2005-09-06 Alan Modra <amodra@bigpond.net.au>
5751 * except.c (sjlj_emit_function_enter): Find the function begin
5752 note even when it's not in first basic block.
5754 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
5756 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
5757 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5758 * aclocal.m4: Regenerate.
5760 2005-09-05 DJ Delorie <dj@redhat.com>
5762 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5765 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
5767 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5768 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5769 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5770 Follow spelling conventions.
5771 * doc/invoke.texi: Follow spelling conventions.
5773 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5775 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5776 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5777 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5779 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5782 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5783 (output_stack_adjust): Use gen_tmp_stack_mem.
5784 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5785 (sh_set_return_address, sh_allocate_initial_value): Likewise.
5786 (sh_get_pr_initial_val): Likewise.
5787 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5788 (sh_initialize_trampoline): Likewise. Also use adjust_address.
5789 * sh.md (divsi_inv_m0): Use gen_const_mem.
5790 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5791 (movdf_i4+1): Use gen_tmp_stack_mem.
5792 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5793 (fpu_switch+2): Likewise.
5794 (movv4sf_i, movv16sf_i): Use adjust_address.
5795 (symGOT_load): Set MEM_NOTRAP_P bit.
5797 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5800 * pa.c (emit_move_sequence): Fix typo in last change.
5802 2005-09-03 Jakub Jelinek <jakub@redhat.com>
5804 PR rtl-optimization/23454
5805 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5808 2005-09-03 Richard Henderson <rth@redhat.com>
5809 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5812 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5815 2005-09-02 Nicolas Pitre <nico@cam.org>
5817 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5818 to bit_count to 32 bits.
5820 2005-08-31 Mark Mitchell <mark@codesourcery.com>
5823 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5824 generating synthetic loads from volatile lvalues.
5826 005-09-02 Nick Clifton <nickc@redhat.com>
5828 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5829 __ctzhi2, __clzhi2): New functions.
5831 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
5834 * tree-nested.c (struct var_map_elt): Mark with GTY.
5835 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
5837 (lookup_field_for_decl): Allocate new element in GC memory.
5838 (lookup_tramp_for_decl): Likewise.
5839 (convert_nl_goto_reference): Likewise
5840 (create_nesting_tree): Allocate info in GC memory. Likewise for
5842 (free_nesting_tree): Free with ggc_free instead of free.
5843 (root): New static variable.
5844 (lower_nested_functions): Remove root as local variable. And zero out
5845 root at the end of the function.
5847 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
5849 PR rtl-optimization/20365
5850 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5851 to short. New member ix.
5852 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5853 (simplify_plus_minus): Initialize ix members before calling qsort.
5855 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
5857 PR tree-optimization/23626
5858 * tree-cfg.c (replace_uses_by): Clean up eh info.
5860 2005-09-01 DJ Delorie <dj@redhat.com>
5862 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5865 2005-09-01 David Edelsohn <edelsohn@gnu.org>
5867 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5868 (rs6000_split_multireg_move): Use replace_equiv_address instead of
5871 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
5873 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
5874 do not issue warning for a variable definition following
5877 2005-09-01 Richard Henderson <rth@redhat.com>
5880 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5881 conversion to CONST_VECTOR.
5883 2005-09-01 Richard Henderson <rth@redhat.com>
5886 * reload1.c (reload_as_needed): Check !CALL_P before calling
5887 fixup_eh_region_note.
5888 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5890 2005-09-01 DJ Delorie <dj@redhat.com>
5892 * varasm.c (output_constant): Let the target resolve
5893 conversions of addresses to non-default pointer sizes.
5895 2005-09-01 Nicolas Pitre <nico@cam.org>
5897 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5898 to alow matching ARM pre-indexed addressing mode.
5899 (arm_override_options): Remove now irrelevant comment.
5901 2005-09-01 Phil Edwards <phil@codesourcery.com>
5903 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
5904 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
5905 * config/i386/vxworks.h: Likewise.
5906 * config/i386/t-vxworksae: New file, for VxWorks AE.
5907 * config/i386/vxworksae.h: Likewise.
5909 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
5911 PR tree-optimization/23410
5912 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5913 sequence is not wrapping during the first step.
5915 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5918 * dwarf2out.c (base_type_die): Compare char_type_node with
5919 TYPE_MAIN_VARIANT (type), not type.
5921 2005-09-01 Richard Guenther <rguenther@suse.de>
5923 PR tree-optimization/15366
5924 * common.opt: Add -finline-functions-called-once.
5925 Put -fearly-inlining in alphabetically ordered place.
5926 * doc/invoke.texi: Document new option.
5927 * ipa-inline.c (cgraph_decide_inlining): Honour
5928 flag_inline_functions_called_once.
5930 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5932 PR rtl-optimization/23478
5933 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5934 (alloc_qty): Initialize it.
5935 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5936 (combine_regs): Combine also n_throwing_calls_crossed fields.
5937 (find_free_reg): Don't attempt to caller-save pseudos crossing
5938 calls that might throw.
5939 * global.c (struct allocno): Add throwing_calls_crossed field.
5940 (global_alloc): Revert 2005-08-22 change. Initialize
5941 throwing_calls_crossed.
5942 (find_reg): Don't attempt to caller-save pseudos crossing calls that
5945 2005-09-01 Alan Modra <amodra@bigpond.net.au>
5948 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5949 (mask64_operand): Reinstate code prior to 2005-06-11 change.
5950 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5951 (and64_2_operand): Tweak to use predicate.
5952 (and_operand): Adjust for mask_operand changes.
5953 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5954 (print_operand): Likewise.
5955 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5956 (mask64_1or2_operand): Delete.
5957 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5958 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5959 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5960 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5961 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5962 (rotldi3_internal4): Likewise.
5963 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5964 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5965 (ashldi3_internal7): Likewise.
5966 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5967 (ashldi3_internal, ashldi3_internal9 split): Likewise.
5968 (anddi3 split): Don't match mask64_operand.
5969 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
5970 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
5971 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
5972 't' splitter predicate.
5973 (movdi_internal64 + 2): Revert 2005-06-11 change.
5975 2005-08-31 DJ Delorie <dj@redhat.com>
5977 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5978 (m32c_asm_integer): Add support for 32 bit pointers.
5980 2005-08-31 Richard Henderson <rth@redhat.com>
5982 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5983 component-like references for setting MEM_NOTRAP_P.
5985 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5986 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5988 2005-08-31 Richard Henderson <rth@redhat.com>
5990 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5991 into a pseudo before applying gen_lowpart.
5993 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5995 * doc/install.texi (Specific): Update cctools version required
5996 for full functionality.
5997 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5998 linkers as -macosx_version_min.
6000 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
6003 * sh.c (print_operand, %R and %S): Add handling of floating point
6004 registers, memory, constants and invalid operands.
6006 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
6008 * ipa-pure-const.c: Change dump name.
6010 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6013 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6014 to "reg_or_0_operand".
6015 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6017 2005-08-31 Dale Johannesen <dalej@apple.com>
6019 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
6020 loops that count down.
6022 2005-08-31 Richard Henderson <rth@redhat.com>
6025 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6026 (fixup_eh_region_note): New.
6027 (reload_as_needed): Call it.
6028 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6029 don't call find_many_sub_basic_blocks; call verify_flow_info.
6030 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6031 (keep_stack_depressed): Likewise.
6032 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6034 2005-08-31 Richard Henderson <rth@redhat.com>
6036 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6039 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
6041 * expr.c (expand_expr_real_1): Compare size of address
6042 mode to target's address mode size in deciding expansion of
6043 the constant address.
6045 2005-08-31 Richard Guenther <rguenther@suse.de>
6048 * expr.c (all_zeros_p): New function.
6049 (expand_expr_real_1): Handle the case of an all-zero
6050 non-addressable constructor separately.
6052 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
6054 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6055 arguments, adjust all callers.
6056 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6058 2005-08-30 Richard Henderson <rth@redhat.com>
6061 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6062 whenever the mode sizes match.
6064 2005-08-31 Alan Modra <amodra@bigpond.net.au>
6066 * calls.c (load_register_parameters): Fix comment typo.
6067 * expr.c (emit_push_insn): Comment formatting.
6069 2005-08-30 Ian Lance Taylor <ian@airs.com>
6071 * config/i386/x-cygwin (host-cygwin): Change dependency from
6072 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6074 2005-08-29 Geoffrey Keating <geoffk@apple.com>
6076 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6079 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6082 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6083 call to ggc_collect.
6085 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6088 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6089 beginning. Remove $(INCLUDES) from all the rules, if following
6090 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6092 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6095 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6096 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6097 not constant, but maxlen is, don't set len to maxlen, rather
6098 set maxlen to len if len is a constant.
6100 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6102 PR tree-optimization/23475
6103 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6106 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6108 Fix PR middle-end/22455
6110 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6111 Checksum only the parts of the tree that exist for the tree code.
6113 2005-08-28 Dale Johannesen <dalej@apple.com>
6115 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6117 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6119 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6121 2005-08-28 Richard Henderson <rth@redhat.com>
6123 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6124 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6127 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6130 * builtins.c (get_memory_rtx): Don't strip nops
6131 in between COMPONENT_REFs.
6133 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6136 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6138 (gimplify_modify_expr): Check for zero sized types and gimplify the
6139 rhs and lhs as statements.
6141 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6144 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6145 state for return address column of signal frames.
6147 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6150 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6151 bytes >= 2 not bytes == 2.
6152 (expand_block_move): Same.
6154 2005-08-27 Richard Guenther <rguenther@suse.de>
6157 * config/i386/sse.md (sse2_movsd): Add missing closing
6160 2005-08-27 Paul Brook <paul@codesourcery.com>
6162 * genrecog.c (enum decision_type): Add DT_num_insns.
6163 (struct decision_test): Add u.num_insns.
6164 (add_to_sequence): Add DT_num_insns test.
6165 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6166 (write_cond, debug_decision_2): Ditto.
6167 (change_state): Assume peep2_next_insn never fails.
6168 Remove "afterward" argument.
6169 (write afterward, write_tree): Update to match.
6170 * recog.c (peep2_current_count): New variable.
6171 (peep2_next_insn): Check it.
6172 (peephole2_optimize): Set peep2_current_count.
6173 * recog.h (peep2_current_count): Declare.
6175 2005-08-26 Josh Conner <jconner@apple.com>
6178 * ipa-pure-const.c (check_tree): Check for volatile-ness
6179 when considering a dereference.
6181 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6183 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6185 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6187 PR rtl-optimization/23561
6188 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6189 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6190 at most LEN bytes long memory fits into the field.
6191 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6192 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6193 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6195 2005-08-26 Richard Henderson <rth@redhat.com>
6198 * loop.c (biased_biv_may_wrap_p): New.
6199 (maybe_eliminate_biv_1): Use it to suppress non-equality
6200 comparison transformations. Delete disabled code.
6202 2005-08-26 Ian Lance Taylor <ian@airs.com>
6204 * combine.c (make_extraction): Avoid reference outside object.
6206 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6208 * stor-layout.c (finalize_type_size): Restore behaviour for
6209 non-aggregate types to the status quo ante of the patch for
6210 pr 23467. Document why it matters.
6212 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6215 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6216 array by one element, initialize the BT_LAST element with NULL.
6218 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6220 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6221 optimizing for size.
6223 (compare_plus_eqsi): Same.
6224 (plus_eqsi_compare): Same.
6225 (neg_eq0<mode>): Same.
6226 (neg_eq<mode>): Same.
6228 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6231 2005-08-26 Nick Clifton <nickc@redhat.com>
6233 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6234 TARGET_EP is not defined.
6235 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6236 TARGET_EP is enabled.
6237 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6238 * config/v850/v850.md (save_all_interrupt): Only use the EP
6239 register if TARGET_EP is defined.
6240 (restore_all_interrupt): Likewise.
6241 * config/v850/lib1funcs.asm: Update functions so that the EP
6242 register is only used if __EP__ is defined.
6244 2005-08-26 David Ung <davidu@mips.com>
6246 * config/mips/mips.c (mips_expand_prologue): Handle case when
6247 generating for MIPS16 and the outgoing argument area is more than
6248 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6251 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6253 * config/crx/crx.md: Make doloop_end pattern usage controllable
6254 via mloop-nesting=<max-nesting> command line switch. Make sure
6255 the combiner cannot use doloop_end_<mode> in an illegal way.
6256 * config/crx/crx.c: Use regs up to r6 for argument passing.
6257 Refine crx_address_cost (non cst4 displacements are expensive).
6258 * config/crx/crx.opt: Add switch for mloop-nesting=.
6260 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6262 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6263 (UNSPEC_MVST): New constant.
6265 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6267 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6268 Reject operands containing eliminable registers.
6269 * testsuite/gcc.dg/20050825-1.c: New testcase.
6271 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6272 Jan Hubicka <jh@suse.cz>
6274 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6276 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6278 PR tree-optimization/23546
6279 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6282 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6284 * params.def (PARAM_MIN_SPEC_PROB): New.
6285 * sched-rgn.c (MIN_PROBABILITY): Delete.
6286 (compute_trg_info): Convert to PARAM_VALUE.
6287 * doc/invoke.texi (param): Document min-spec-prob.
6289 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6291 * config/darwin.h: define __PIC__
6292 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6293 TARGET_OS_CPP_BUILTINS macro.
6295 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6297 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6300 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6302 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6304 * cfghooks.c (duplicate_block): Added position where to place
6305 new block as argument.
6306 * cfghooks.h (duplicate_block): Declaration changed.
6307 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6309 * cfglayout.h (copy_bbs): Declaration changed.
6310 * cfgloop.h (loop_version): Declaration changed.
6311 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6312 position to copy_bbs.
6313 (loop_version): Pass position to duplicate_loop_to_header_edge.
6314 Add place_after argument and position new blocks according to
6316 * modulo-sched.c (sms_schedule): Pass place_after argument
6318 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6319 * tree-cfg.c (split_edge_bb_loc): New function.
6320 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6321 to determine position of new blocks.
6322 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6324 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6325 argument to duplicate_block.
6326 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6327 Pass position to copy_bbs.
6329 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6331 * fold-const.c (ptr_difference_const): Use
6332 cst_and_fits_in_hwi instead of host_integerp.
6334 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6336 * config/darwin.c (gen_pic_offset): New.
6337 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6340 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6342 PR tree-optimization/23486
6343 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6345 2005-08-23 Phil Edwards <phil@codesourcery.com>
6347 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6348 remove use_collect2.
6349 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6351 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6352 configuration files to override the default value.
6354 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6355 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6356 * config/vx-common.h: New file, split out from...
6357 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6358 * config/vxworksae.h: New file, for VxWorks AE.
6359 * config/vxworks.opt: New file.
6360 * config/vxlib.c: Update for VxWorks 6.
6362 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6363 other MULTILIB_* variables appropriately.
6364 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6365 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6366 * config/rs6000/vxworks.h: Update for VxWorks 6.
6367 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6369 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6372 * config/darwin.c (machopic_select_section): Remove the hack to
6373 mark "::operator new" and "::operator delete" for coalescing
6374 even though they are not weak.
6376 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6378 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6379 * configure: Regenerate.
6381 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6384 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6386 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6387 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6390 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6392 * config/rs6000/predicates.md (equality_operator): New.
6393 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6394 comparison with a large constant.
6396 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6398 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6400 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6402 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6403 registers is even, and we have a hardware double precision fp,
6405 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6406 size of current argument when checking if argument was passed in
6409 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6412 * stor-layout.c (finalize_type_size): Dont override
6413 existing alignment with a smaller alignment from the mode.
6415 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6417 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6418 * lambda.h (lambda_vector_lexico_pos): ... here.
6419 * tree-data-ref.c (build_classic_dist_vector): Return false when
6420 the distance vector is lexicographically negative.
6422 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6424 PR tree-optimization/23511
6425 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6426 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6428 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6430 PR tree-optimization/22043
6431 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6432 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6433 If ALLOW_FLEXARR, handle types ending with flexible array member.
6434 Pass false as second argument to recursive count_type_elements calls.
6435 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6436 argument to count_type_elements call.
6437 * tree-sra.c (decide_block_copy): Likewise.
6438 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6439 for a constant-sized object, set cleared as well. Pass true as
6440 second argument to count_type_elements call.
6442 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6445 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6446 from legitimate_small_data_p, and make global. Update use.
6447 Remove forward declaration.
6448 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6450 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6452 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6454 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6455 of scratch intermediates.
6456 (eq<mode>_compare): Same.
6457 (neg_eq0<mode>): New.
6458 (neg_eq<mode>): Convert to define_insn_and_split.
6460 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6463 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6464 stdarg functions, set/clear the fp marker even when no variable
6466 * config/rs6000/sysv4.opt (mprototype): Describe.
6468 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6470 PR rtl-optimization/23478
6471 * regs.h (reg_info): Add throw_calls_crossed.
6472 (REG_N_THROWING_CALLS_CROSSED): Define.
6473 * flow.c (allocate_reg_life_data): Initialize
6474 REG_N_THROWING_CALLS_CROSSED.
6475 (propagate_one_insn, attempt_auto_inc): Update
6476 REG_N_THROWING_CALLS_CROSSED.
6477 * global.c (global_alloc): Don't allocate pseudos across
6478 calls that may throw.
6480 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6483 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6484 value is inbetween the range if we did not find an exact match.
6486 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6488 * doc/invoke.texi (Option Summary): Add ms1 options.
6489 * doc/extend.texi: Document interrupt handler attribute for ms1.
6490 * doc/md.texi: Document ms1 constraints.
6491 * config.gcc: Add ms1-*-elf.
6492 * config/ms1/ms1.h: New.
6493 * config/ms1/ms1.c: New.
6494 * config/ms1/ms1.md: New.
6495 * config/ms1/ms1-protos.h: New.
6496 * config/ms1/ABI.txt: New.
6497 * config/ms1/crti.asm: New.
6498 * config/ms1/crtn.asm: New.
6499 * config/ms1/lib2extra-funcs.c: New.
6500 * config/ms1/t-ms1: New.
6501 * config/ms1/ms1.opt: New.
6503 2005-08-22 Ira Rosen <irar@il.ibm.com>
6505 * config/rs6000/altivec.md (xorv4sf3): New.
6506 (negv4sf2, neg<mode>2): Likewise.
6508 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6511 * config/ia64/ia64.md (divsi3): Check divide by zero.
6512 (udivsi3): Likewise.
6514 (udivdi3): Likewise.
6516 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6518 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6519 up to elem_bitsize bits, not max_bitsize.
6521 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6523 PR tree-optimization/23433
6524 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6525 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6527 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6529 PR tree-optimization/23434
6530 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6531 the iteration bound is not an INTEGER_CST.
6533 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6535 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6536 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6537 NULL if need_epilog_adjust is false.
6538 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6539 Case 3 always peels first itration, not just for PLUS case, and no need
6540 to use scalar_initial_def here. Create an epilog adjustment only if
6541 scalar_initial_def is not NULL.
6543 (vectorizable_reduction): Remove assert.
6545 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
6548 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6549 (__moddi3): Likewise.
6550 (__udivdi3): Likewise.
6551 (__umoddi3): Likewise.
6552 (__divsi3): Likewise.
6553 (__modsi3): Likewise.
6554 (__udivsi3): Likewise.
6555 (__umodsi3): Likewise.
6557 2005-08-20 Jakub Jelinek <jakub@redhat.com>
6559 * tree-pass.h (TDF_GRAPH): Define.
6560 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6561 * passes.c (finish_optimization_passes): Only call
6562 finish_graph_dump_file if TDF_GRAPH is set.
6563 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6564 NULL. Set TDF_GRAPH bit.
6565 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6567 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
6569 * arm.h (arm_stack_offsets): Add locals_base field.
6570 * arm.c (arm_get_frame_offsets): Compute it.
6571 (thumb_compute_initial_elimination offset): Make the Thumb frame
6572 pointer point to the base of the local variables.
6573 (thumb_expand_prologue): Update accordingly.
6574 (thumb_expand_epilogue): Likewise.
6576 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
6577 mode of clobbered scratch to DImode. Handle a case that's known to
6580 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6582 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6583 (gt0<mode>_compare): Delete.
6584 (neg_gt0<mode>): Delete.
6586 2005-08-19 Eric Christopher <echristo@apple.com>
6588 * optabs.h: Change CTI_ to COI_.
6591 2005-08-19 James E Wilson <wilson@specifix.com>
6593 * builtins.c (expand_builtin_return_addr): Set
6594 current_function_accesses_prior_frames when count != 0. Use
6595 frame_pointer_rtx when count == 0.
6596 * function.h (struct function): Add accesses_prior_frames field.
6597 (current_function_accesses_prior_frames): Define.
6598 * reload1.c (init_elim_table): Check
6599 current_function_accesses_prior_frames.
6600 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6602 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6604 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6605 indicator. Return true if the flowgraph changed during
6608 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6611 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6612 conditional expression before testing its value.
6614 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6616 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6618 2005-08-19 Devang Patel <dpatel@apple.com>
6620 PR tree-optimization/23048
6621 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6622 third parameter. Check whether latch is dominated by exit
6624 (if_convertible_loop_p): Supply exit block itself to
6625 if_convertible_bb_p.
6627 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6630 * arm.md (arm_load_pic_register): Change argument to the mask of
6631 saved registers. Call thumb_find_work_register if we need a
6632 scratch register on Thumb.
6633 (arm_expand_prologue): Pass empty register set to
6634 arm_load_pic_register.
6635 (thumb_expand_prologue): Pass live_regs_mask directly to
6636 arm_load_pic_register.
6637 * arm-protos.h (arm_load_pic_register): Update prototype.
6639 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
6641 * sh.c (find_sole_member): New function.
6642 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6643 if the record's alignment is larger than the size of its only member.
6645 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6648 * arm.c (thumb_legitimize_reload_address): New function.
6649 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6650 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6652 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
6654 * config/crx/crx.c: Implement crx_decompose_address. Reject
6655 symbolic displacements since CRX register relative adressing
6656 mode can't handle unsigned 32-bit values as displacements.
6657 * config/crx/crx.h: Simplify definitions, remove redundant
6658 parenthesis and obsolete macros.
6659 * config/crx/crx.opt: Add new switch for debugging addresses.
6660 * config/crx/crx-protos.h: Add new declarations for above.
6662 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
6665 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6668 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * collect2.c (dup2): Delete.
6671 * configure.ac: Don't check for dup2.
6673 * config.in, configure: Regenerate.
6675 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
6677 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6678 record with the type of its only member.
6680 2005-08-18 David Edelsohn <edelsohn@gnu.org>
6682 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6683 define_insn_and_split.
6684 (plus_ltu<mode>_compare): Same.
6685 (gtu<mode>_compare): Same.
6686 (plus_gtu<mode>_compare): Same.
6688 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
6690 PR tree-optimization/22228
6691 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6693 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6694 are recorded in vect_vnames_to_rename for renaming.
6695 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6696 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6697 in vect_vnames_to_rename.
6698 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6699 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6701 2005-08-18 Jan Hubicka <jh@suse.cz>
6704 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6705 info only for local statics, not for member variables.
6707 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6709 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6711 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6713 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6715 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
6718 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6720 2005-08-17 James E Wilson <wilson@specifix.com>
6722 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6725 2005-08-17 David Edelsohn <edelsohn@gnu.org>
6727 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6728 (leu<mode>_compare): Same.
6729 (plus_leu<mode>): Same.
6730 (neg_leu<mode>): Same.
6731 (and_neg_leu<mode): Same.
6732 (ltu<mode>_compare): Same.
6733 (plus_ltu<mode>): Same.
6735 (geu<mode>_compare): Same.
6736 (plus_geu<mode>): Same.
6737 (neg_geu<mode>): Same.
6738 (and_neg_geu<mode>): Same.
6739 (plus_gt<mode>): Same.
6740 (gtu<mode>_compare): Same.
6741 (plus_gtu<mode>): Same.
6743 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
6745 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6746 Move call_table_data to end. Delete spurious .text.
6747 (callt_save_all_interrupt): Fix comment typo.
6749 2005-08-17 James E Wilson <wilson@specifix.com>
6750 Kevin Winchester <winchester@amirix.com>
6753 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6755 2005-08-17 Uros Bizjak <uros@kss-loka.si>
6758 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6759 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6761 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
6763 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6764 record with the type of its only member if the modes don't match.
6766 * varasm.c (decode_reg_name): Skip empty additional register names.
6768 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6770 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6771 lsm_tmp_name_length): New.
6772 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6773 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6775 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6776 Andreas Krebbel <krebbel1@de.ibm.com>
6778 * config.gcc: Added z9-109 switch.
6779 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6780 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6781 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6782 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6783 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6784 for "z9_109" cpu attribute.
6785 * config/s390/s390.c (z9_109_cost): New processor cost structure.
6786 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6787 (s390_handle_arch_option): Added z9-109 switch.
6788 (override_options): Set respective cost function for z9-109.
6789 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6790 (legitimate_reload_constant_p): Accept extended immediates.
6791 (print_operand): Three new output modifiers added: k, m and o.
6792 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6793 (s390_output_mi_thunk): Use extended immediate when possible.
6794 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6795 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6796 (CONSTRAINT_LEN): Added length of O constraint.
6797 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6798 * config/s390/s390.md ("cpu"): New value z9_109 added.
6799 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6800 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6801 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6802 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6803 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6804 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6805 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6806 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6807 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6808 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6809 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6810 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6811 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6812 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6813 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6815 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6816 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6817 insns for TARGET_EXTIMM.
6819 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
6821 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6823 2005-08-17 Nick Clifton <nickc@redhat.com>
6825 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6826 Call default_encode_section_info.
6828 2005-08-17 Steven Bosscher <stevenb@suse.de>
6830 PR tree-optimization/21574
6831 * tree-ssa-ccp.c (likely_value): If the right hand side is a
6832 constant, return CONSTANT.
6833 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6834 (ccp_fold, visit_assignment): Likewise.
6835 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6837 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6839 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6840 fold_buildN instead of buildN then fold_initializer or fold.
6841 (build_unary_op): Likewise.
6842 (build_binary_op): Likewise.
6843 * fold-const.c (fold_initializer): Remove.
6844 (fold_build1_initializer): New function.
6845 (fold_build2_initializer): New function.
6846 (fold_build3_initializer): New function.
6847 * tree.h (fold_initializer): Remove.
6848 (fold_build1_initializer): New function.
6849 (fold_build2_initializer): New function.
6850 (fold_build3_initializer): New function.
6852 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6854 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6855 (try_move_mult_to_index): Call fold_build2 instead of build2.
6856 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6857 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6858 fold_binary_to_constant.
6859 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6861 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6862 check if A == gcd (A, B). Remove TYPE argument.
6863 (analyze_offset) Use fold_build2 instead of fold (build.
6864 (create_data_ref): Likewise.
6865 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6866 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6869 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
6871 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6872 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6874 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
6877 * gimplify.c (zero_sized_type): New function.
6878 (gimplify_modify_expr_rhs): If we have a zero sized type,
6879 replace the statement with an empty statement.
6881 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
6883 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6886 2005-08-16 Ian Lance Taylor <ian@airs.com>
6888 * doc/tm.texi (Label Output): Correct typo.
6890 2005-08-16 Steven Bosscher <stevenb@suse.de>
6893 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6894 force_operand will work later on using have_insn_for.
6896 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6898 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6900 2005-08-16 Ian Lance Taylor <ian@airs.com>
6903 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6904 vector type, don't try to construct it element by element. Add an
6905 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6907 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6909 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6911 2005-08-16 Geoffrey Keating <geoffk@apple.com>
6913 * doc/invoke.texi (Precompiled Headers): Document some more options
6914 which are known to be safe.
6916 2005-08-16 James E Wilson <wilson@specifix.com>
6918 PR tree-optimization/21105
6919 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6920 TREE_OVERFLOW check.
6922 2005-08-16 David Edelsohn <edelsohn@gnu.org>
6924 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6925 (neg_ltu<mode>): Same.
6927 (neg_gtu<mode>): Same.
6929 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6931 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6932 (fold_builtin_isdigit): Use fold_buildN.
6933 (build_function_call_expr): Likewise.
6934 * c-typeck.c (c_finish_loop): Likewise.
6936 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
6937 Richard Shann <rshann@superh.com>
6939 PR middle-end/20396:
6940 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6942 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
6944 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6946 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
6949 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6950 arm_compure_save_reg0_reg12_mask to determine when the PIC register
6953 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6956 * fold-const.c (build_range_check): Disable optimization for function
6957 pointer expressions on targets that require function pointer
6960 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
6962 * simplify-rtx.c (simplify_const_relational_operation): When
6963 extracting arguments of a COMPARE, recompute the mode as well.
6965 2005-08-15 Ian Lance Taylor <ian@airs.com>
6967 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6969 2005-08-15 DJ Delorie <dj@redhat.com>
6971 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6973 (movsi_splittable): Allow, but split, moves to the stack.
6974 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6977 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6979 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6980 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6981 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6983 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6984 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6985 Delete HOST_PTR_PRINTF.
6987 * configure, config.in: Regenerate.
6989 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6991 * config/rs6000/rs6000.md (QHSI): New mode macro.
6992 (wd): Extend mode attr for QImode and HImode
6993 (dbits): New mode attr.
6994 (zero_extend<mode>di2): Convert to mode macro.
6996 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6999 * doc/invoke.texi (-mgnu-ld): Update description.
7002 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7005 * Makefile.in (tree-chrec.o): Depends on real.h.
7006 * tree-chrec.c: Include real.h.
7007 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7008 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7009 * tree-scalar-evolution.c (add_to_evolution_1,
7010 interpret_rhs_modify_expr): Ditto.
7012 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
7015 * tree-data-ref.c (estimate_niter_from_size_of_data): When
7016 step is negative compute the estimation from init downwards to zero.
7018 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
7020 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7022 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7024 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7026 (legitimate_reload_constant_p): Fix handling of lliXX operands.
7027 Accept double-word constants that can be split.
7028 * config/s390/s390.md ("movti"): Use 'P' constraint.
7029 ("*movdi_31", "*movdf_31"): Likewise.
7031 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
7033 Fix PR tree-optimization/22615
7035 * tree-ssa-structalias.c (solution_set_add): Handle
7036 first_vi_for_offset returning NULL.
7037 (do_da_constraint): Ditto.
7038 (do_sd_constraint): Ditto.
7039 (do_ds_constraint): Ditto
7040 (find_func_aliases): Ditto.
7041 (build_constraint_graph): RHS is allowed be ANYTHING.
7042 (first_vi_for_offset): Return NULL if we couldn't find anything at
7045 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
7047 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7048 over memory as first operand.
7050 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
7053 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7054 available for setting it.
7056 2005-08-14 Ira Rosen <irar@il.ibm.com>
7058 PR tree-optimization/23320
7059 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7060 data-refs' types instead of base object nullness. Add check for
7061 pointer type data-refs before first location comparison. Remove
7064 2005-08-14 Andreas Schwab <schwab@suse.de>
7066 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7068 2005-08-13 James E Wilson <wilson@specifix.com>
7070 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7071 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7072 -fstack-protector-all, --param ssp-buffer-size): Document.
7073 (-Wvariadic-macros): Alphabetize.
7074 (-fsched-stalled-insns-dep): Add missing 'f'.
7076 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7079 2005-08-13 David Edelsohn <edelsohn@gnu.org>
7081 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7082 or indirect address operand.
7083 (EXTRA_ADDRESS_CONSTRAINT): New.
7084 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7086 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7088 PR tree-optimization/22236
7089 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7090 successors and predecessors.
7091 * tree-chrec.c (chrec_convert): Before converting, check that
7092 sequences don't wrap.
7093 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7094 (analyze_array): Extern.
7095 (find_data_references_in_loop): Remove call to
7096 compute_estimated_nb_iterations.
7097 * tree-data-ref.h (analyze_array): Declared.
7098 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7099 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7100 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7101 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7103 * tree-ssa-loop-ivcanon.c: Fix documentation.
7104 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7105 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7106 (infer_loop_bounds_from_undefined): New.
7107 (estimate_numbers_of_iterations_loop): Use
7108 infer_loop_bounds_from_undefined.
7109 (used_in_pointer_arithmetic_p): New.
7110 (scev_probably_wraps_p): Pass an extra parameter. Call
7111 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7112 (convert_step): Fix documentation.
7113 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7114 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7115 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7116 scev_probably_wraps_p.
7118 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7120 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7121 (s390_register_info): Ignore clobbered_regs information for fixed
7122 registers, and only fixed registers.
7123 (s390_init_frame_layout): Remove redundant call.
7125 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7127 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7128 description of -Wold-style-casts.
7130 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7131 Jakub Jelinek <jakub@redhat.com>
7133 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7134 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7135 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7136 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7137 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7138 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7139 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7140 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7141 ("stack_protect_set", "stack_protect_test"): New expanders.
7142 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7143 "stack_protect_testdi"): New insn definitions.
7145 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7147 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7149 2005-08-12 Paul Brook <paul@codesourcery.com>
7151 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7153 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7155 * config/s390/predicates.md (setmem_operand): New predicate.
7156 (shift_count_operand): Accept ANDs with special constants as
7158 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7159 with special constants.
7160 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7161 shift_count_operand with setmem_operand.
7163 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * config/s390/s390.c (s390_extract_part, s390_single_part):
7167 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7168 (s390_output_mi_thunk): Don't use lg on 31 bit.
7169 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7170 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7172 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7174 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7175 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7176 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7177 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7178 with one of the new macros.
7180 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7182 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7183 Don't set save_return_addr_p.
7184 (s390_register_info): Make clobbered_regs not depending on
7187 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7189 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7190 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7192 2005-08-11 James E. Wilson <wilson@specifix.com>
7194 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7196 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7198 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7199 locations gathered by var-tracking in single entry loc_list
7200 over loc_descriptor_from_tree.
7202 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7203 pass it down to loc_descriptor.
7204 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7205 (containing_function_has_frame_base): Move earlier in the file.
7206 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7207 instead of always assuming fbreg can't be used.
7209 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7211 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7212 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7213 Accept address wrapped in AND for Altivec.
7214 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7215 Strip AND wrapping offset address for Altivec.
7217 2005-08-11 Richard Henderson <rth@redhat.com>
7220 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7221 before using TYPE_IS_SIZETYPE.
7223 2005-08-11 Richard Henderson <rth@redhat.com>
7226 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7227 insn types not present on ev4.
7228 (alphaev5_insn_pipe): Similarly.
7230 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7233 * arm.c (arm_override_options): If the user has selected callee-super-
7234 interworking, then enable normal interworking.
7236 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7238 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7241 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7243 * doc/rtl.texi: Fix two typos.
7245 2005-08-11 Richard Guenther <rguenther@suse.de>
7248 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7249 cases where we call to/from functions returning void.
7251 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7254 * tree.c (build_pointer_type_for_mode): Robustify.
7256 2005-08-10 James E Wilson <wilson@specifix.com>
7258 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7259 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7261 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7264 2005-08-10 Eric Christopher <echristo@apple.com>
7266 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7267 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7270 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7273 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7274 for the high part when generating dynamic-no-pic code.
7276 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7278 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7279 (x86_64-*-linux*): Likewise.
7281 * config/i386/crtfastmath.c: New file.
7282 * config/i386/t-crtfm: Likewise.
7284 * config/i386/linux.h (ENDFILE_SPEC): New.
7285 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7287 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7290 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7292 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7293 (vec_shl, vec_shr): Document new operations.
7294 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7296 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7298 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7299 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7300 change predicate to indexed_or_indirect_address.
7302 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7304 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7305 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7306 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7307 and __aeabi_uwrite8.
7308 * config/arm/unaligned-funcs.c: New file.
7309 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7311 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7313 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7315 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7316 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7318 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7319 * final.c (pass_shorten_branches): Add dump.
7320 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7321 (pass_life): Rename dump.
7322 (rest_of_handle_flow2): Remove initial verify_flow_info.
7323 * function.c (pass_instantiate_virtual_regs): Add dump.
7324 * integrate.c (pass_initial_value_sets): Add dump.
7325 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7326 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7327 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7328 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7329 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7330 gate_rtl_unrool_and_peel_loops): New.
7331 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7332 rtl_doloop): Do not look at flags.
7333 * mode-switching.c (pass_mode_switching): Add dump.
7334 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7335 pass_split_before_regstack): Add dump.
7336 * regmove.c (pass_stack_adjustments): Add dump.
7337 * tree-optimize.c (pass_fixup_cfg): Add dump.
7339 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7342 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7343 deciding which instruction sequence to use.
7345 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7347 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7348 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7350 2005-08-09 Richard Guenther <rguenther@suse.de>
7352 * c-common.c (builtin_function_2): Remove.
7353 (def_builtin_1): New function.
7354 (c_common_nodes_and_builtins): Use def_builtin_1 to
7355 build builtin functions.
7357 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7359 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7360 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7361 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7364 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7366 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7367 fold_binary instead of fold_build2 since we don't care about the
7369 (loop_niter_by_eval): Likewise.
7370 (compare_trees): Likewise.
7371 (proved_non_wrapping_p): Likewise.
7373 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7377 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7378 if the if is really empty.
7380 2005-08-09 Steven Bosscher <stevenb@suse.de>
7382 PR tree-optimization/23234
7383 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7384 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7385 argument of the new enum.
7386 (execute_cse_reciprocals): Add reciprocals for function arguments
7387 on the unique successor edge of the entry block. Update other calls
7388 to execute_cse_reciprocals_1.
7390 2005-08-08 Richard Henderson <rth@redhat.com>
7393 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7395 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7397 * expr.c (write_complex_part): Return after handling MEM.
7399 2005-08-08 Josh Conner <jconner@apple.com>
7401 PR rtl-optimization/23241
7402 * combine.c (simplify_comparison): Fix error in determining
7403 whether to lift a subreg from comparison.
7405 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7408 * config/rs6000/altivec.md (vec_init<mode>): New.
7409 (vec_set<mode>): New.
7410 (vec_extract<mode>): New.
7411 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7412 (rs6000_expand_vector_set): New.
7413 (rs6000_expand_vector_extract): New.
7414 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7415 for Altivec modes before reload.
7416 (altivec_expand_vec_init_builtin): New.
7417 (get_element_number): New.
7418 (altivec_expand_vec_set_builtin): New.
7419 (altivec_expand_vec_ext_builtin): New.
7420 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7422 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7424 * config/rs6000/rs6000.h (rs6000_builtins): Add
7425 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7426 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7427 * config/rs6000/rs6000-protos.h: Declare new functions.
7429 2005-08-08 Jan Hubicka <jh@suse.cz>
7431 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7432 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7433 * i386.md (movdi*): Use pic_32bit_operand.
7434 * predicates.md (pic_32bit_operand): New.
7436 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7439 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7441 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7443 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7444 (test_for_singularity): Use fold_build2.
7446 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7448 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7450 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7452 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7453 (COMMON_ASM_OP) Define.
7454 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7455 (ix86_encode_section_info): Likewise.
7456 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7457 SUBTARGET_ENCODE_SECTION_INFO.
7459 2005-08-06 Richard Henderson <rth@redhat.com>
7462 * tree-nested.c (convert_local_reference): Save and restore val_only
7463 around component_ref and friends. Clear walk_subtrees by default.
7465 2005-08-06 Peter O'Gorman <peter@pogma.com>
7468 * gcc.c (process_command): Check the argument to -b has a dash.
7469 * doc/invoke.texi: Update -b and -V docs.
7471 2005-08-06 James E Wilson <wilson@specifix.com>
7473 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7475 2005-08-06 Michael Matz <matz@suse.de>
7477 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7478 member only if only one insn is associated with the value.
7480 2005-08-06 Nick Clifton <nickc@redhat.com>
7482 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7484 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7485 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7486 Check symbol flags instead of symbol name mangling.
7487 (xstormy16_asm_output_aligned_common): Likewise. Also
7488 simplify code since the bss100_section cass is the only case
7489 where the below100 code will be triggered.
7490 (xstormy16_encode_section_info): Encode below100 attribute
7491 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7493 (xstormy16_strip_name_encoding): Delete - this function is no
7495 (TARGET_STRIP_NAME_ENCODING): Undefine.
7496 * config/stormy16/stormy16-protos.h: Delete prototype for
7497 xstormy16_strip_name_encoding.
7499 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7501 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7502 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7503 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7504 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7505 config/alpha/predicates.md, config/arc/arc.h,
7506 config/arm/arm.h, config/arm/ieee754-df.S,
7507 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7508 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7509 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7510 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7511 config/m68hc11/m68hc11.h, config/mips/mips.c,
7512 config/mips/mips.h, config/mips/openbsd.h,
7513 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7514 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7515 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7516 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7517 config/sparc/linux.h, config/sparc/linux64.h,
7518 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7519 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7520 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7521 typos. Follow spelling conventions.
7523 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7526 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7527 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7528 specially. Check for side effects only for COND_EXPR.
7529 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7530 return with TREE_NO_WARNING.
7532 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7534 PR rtl-optimization/23233
7535 * loop.c (combine_movables): Require the modes to be the same.
7536 (move_movables): Remove handling of cases where the replacement
7537 had a different mode to the original.
7539 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7541 PR tree-optimization/23128
7542 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7543 subtraction wrap, and set TREE_OVERFLOW if they do.
7545 2005-08-05 Richard Henderson <rth@redhat.com>
7548 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7549 FORCED_LABEL labels.
7551 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7554 * reload.c (find_reloads_subreg_address): Pass down TYPE
7555 unchanged. Change all callers except find_reloads_toplev.
7557 2005-08-05 Michael Matz <matz@suse.de>
7559 * genattrtab.c (current_alternative_string): Remove.
7560 (SIMPLIFY_ALTERNATIVE): Ditto.
7561 (attr_alt_bit_p): Ditto.
7562 (alternative_name): Make const char *.
7563 (evaluate_eq_attr): Remove use of above things.
7564 (simplify_test_exp): Ditto.
7565 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7566 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7568 2005-08-04 James E Wilson <wilson@specifix.com>
7570 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7571 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7572 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7573 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7574 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7576 2005-08-04 Richard Henderson <rth@redhat.com>
7579 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7580 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7581 * tree-sra.c (decide_block_copy): Use it. Disable element copy
7582 if we'd have to instantiate too many members.
7584 2005-08-04 Richard Henderson <rth@redhat.com>
7587 * tree-outof-ssa.c (coalesce_asm_operands): New.
7588 (coalesce_ssa_name): Use it. Split out ...
7589 (coalesce_phi_operands, coalesce_result_decls): ... these.
7591 2005-08-04 Paul Brook <paul@codesourcery.com>
7593 * read-rtl.c (read_quoted_string): Break if EOF.
7595 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
7597 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7598 (fold_build2): Likewise.
7599 (fold_build3): Likewise.
7600 (fold_build1_stat): New function prototype.
7601 (fold_build2_stat): Likewise.
7602 (fold_build3_stat): Likewise.
7603 * fold-const.c (fold_build1): Rename to ..
7604 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7605 through to build1_stat.
7606 (fold_build2): Rename to ..
7607 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7608 through to build2_stat.
7609 (fold_build3): Rename to ..
7610 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7611 through to build3_stat.
7613 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7614 Ian Lance Taylor <ian@airs.com>
7616 * function.c (assign_stack_local_1): Do not correct stack slot
7617 address if allocation size is smaller than mode size.
7619 2005-08-04 Diego Novillo <dnovillo@redhat.com>
7622 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7623 (tree_merge_blocks): Propagate anything allowed by
7625 Clarify documentation.
7626 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7627 SSA form, schedule an update if necessary.
7629 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7631 * doc/install.texi (Binaries): Remove broken link to
7632 Sinix/Reliant Unix binaries.
7634 2005-08-03 Richard Henderson <rth@redhat.com>
7637 * function.c (stack_protect_epilogue): Export.
7638 * tree.h (stack_protect_epilogue): Declare.
7639 * calls.c (expand_call): Call it.
7641 2005-08-03 Eric Christopher <echristo@apple.com>
7643 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7644 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7647 2005-08-04 Jan Hubicka <jh@suse.cz>
7649 * profile.c (branch_prob): Split edges with goto locus on them
7650 to get proper line counts.
7651 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7653 2005-08-03 Paul Brook <paul@codesourcery.com>
7655 * function.c (assign_parms): Round current_function_args_size
7656 to PARM_BOUNDARY, not STACK_BOUNDARY.
7658 2005-08-03 Geoffrey Keating <geoffk@apple.com>
7660 * config/i386/i386.c (x86_elf_aligned_common)
7661 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7663 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
7665 PR tree-optimization/23157
7666 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7667 before emitting them.
7669 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7671 PR tree-optimization/19899
7672 * Makefile.in (tree-scalar-evolution.o): Add real.h.
7673 * tree-scalar-evolution.c: Include real.h.
7674 (add_to_evolution): Build constant -1 of correct type.
7676 2005-08-03 Jan Hubicka <jh@suse.cz>
7678 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7679 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7680 profile updating for complette unrolling.
7681 * loop-unroll.c (peel_loop_completely): Use it.
7682 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7683 (tree_unroll_loops_completely): Disable code growing unrolling of cold
7686 2005-08-03 Paul Brook <paul@codesourcery.com>
7688 * combine.c (can_change_dest_mode): New function.
7689 (try_combine, simplify_set): Use it.
7691 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
7693 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7696 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
7698 * doc/install.texi (Specific): Adjust link to openavr.org.
7699 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7700 (Binaries): Adjust HP-UX Porting Center link.
7701 (Binaries): Adjust Free Software Foundation ordering link.
7703 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
7705 * convert.c (convert_to_integer): Use fold_build1 instead of
7706 build1 when converting an integer to an integer.
7708 2005-08-02 Richard Henderson <rth@redhat.com>
7710 * combine.c (combine_instructions): Don't use reg_equal/equiv
7711 results if the mode doesn't match.
7713 2005-08-02 Mark Mitchell <mark@codesourcery.com>
7715 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7716 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7718 2005-08-02 Richard Henderson <rth@redhat.com>
7721 * explow.c (memory_address): Remove special-case for
7722 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7724 2005-08-02 Diego Novillo <dnovillo@redhat.com>
7727 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7728 number of calls to cleanup_tree_cfg_1.
7730 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
7732 * doc/invoke.texi: document file extensions .F90 and .F95
7734 2005-08-02 Richard Guenther <rguenther@suse.de>
7736 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7737 positive if its first argument is positive.
7739 2005-08-02 Richard Guenther <rguenther@suse.de>
7741 PR tree-optimization/23177
7742 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7745 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
7747 PR tree-optimization/23129
7748 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7749 varying for divisions with anti-ranges.
7751 2005-08-02 Jan Hubicka <jh@suse.cz>
7753 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7754 * tree-ssa-threadupdate.c (thread_block): Add it here.
7756 2005-08-01 James E Wilson <wilson@specifix.com>
7758 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7759 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7760 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7762 * config/mips/predicates.md (const_call_insn_operand): Add check for
7763 SYMBOL_REF_LONG_CALL_P.
7764 * doc/extend.texi (long_call): Document the new attribute.
7766 2005-08-01 Ian Lance Taylor <ian@airs.com>
7767 Richard Henderson <rth@redhat.com>
7769 * Makefile.in (RTL_BASE_H): Add real.h.
7770 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7772 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7774 * rtl.c (rtl_check_failed_code_mode): New.
7775 * rtl.h (struct rtx_def): Add u.rv.
7776 (XCMWINT, XCNMPRV): New.
7777 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7778 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7780 2005-08-01 Richard Henderson <rth@redhat.com>
7782 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7783 with auto-inc codes.
7785 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7787 2005-08-01 Jan Hubicka <jh@suse.cz>
7789 * i386-protos.h (asm_preferred_eh_data_format): Declare.
7790 * i386.c: Include dwarf2.h
7791 (asm_preferred_eh_data_format): New.
7792 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7794 2005-08-01 Ian Lance Taylor <ian@airs.com>
7796 * config/host-linux.c (linux_gt_pch_get_address): Add new name
7797 randomize_va_space for virtual address randomization control.
7799 2005-08-01 Steven Bosscher <stevenb@suse.de>
7801 * common.opt (flag_ipa_cp): Put in right place to maintain
7804 2005-08-01 Jan Hubicka <jh@suse.cz>
7806 * profile.c (compute_value_histograms): Fix thinko.
7807 * value-prof.c: Include toplev.h
7808 (check_counter): New function.
7809 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7810 tree_mod_subtract_transform): Add sanity check.
7812 2005-08-01 Richard Guenther <rguenther@suse.de>
7814 PR tree-optimization/23133
7815 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7816 current functions parameter decls to find defs to cse
7819 2005-08-01 Richard Guenther <rguenther@suse.de>
7821 PR tree-optimization/23109
7822 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7823 If trapping math is in effect, use post-dominator information
7824 to check if we'd in any case reach a trapping point before
7825 doing the reciprocal insertion.
7826 (execute_cse_reciprocals): Compute post-dominators, if necessary.
7827 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7828 expressions are invariant only if trapping math is not in effect.
7830 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7832 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7833 cgraph_function_versioning): New declarations.
7834 * cgraphunit.c: Add include to ipa-prop.h.
7835 (update_call_expr, cgraph_copy_node_for_versioning,
7836 cgraph_function_versioning): New functions.
7837 * integrate.c (copy_decl_for_inlining): Remove.
7838 * ipa-prop.h (ipa_replace_map): New struct.
7839 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7840 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7841 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7842 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7843 ipcp_iterate_stage, ipcp_method_scale_print,
7844 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7845 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7846 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7847 ipcp_update_bb_counts, ipcp_update_profiling,
7848 ipcp_update_edges_counts): New functions.
7849 (ipcp_method_cval_init): Remove restriction regarding local methods.
7850 (ipcp_init_stage): Add ipcp_method_compute_scale.
7851 (ipcp_insert_stage): Add versioning.
7852 (ipcp_structures_print): Add ipcp_method_scale_print.
7853 (ipcp_driver): Dump profiling info.
7854 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7855 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7856 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7857 (struct inline_data): Add versioning_p, ipa_info, new fields.
7858 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7859 declare_return_variable): Replace calls to copy_decl_for_inlining with
7861 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7863 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7864 Add argument VERSIONING.
7865 (copy_arguments_for_versioning, copy_static_chain,
7866 function_versionable_p, tree_versionable_function_p,
7867 tree_function_versioning, replace_ref_tree): New functions.
7868 * tree-inline.h: Include varray.h.
7869 (tree_versionable_function_p, tree_function_versioning,
7870 tree copy_decl_for_dup): New declarations.
7872 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7874 * ipa-cp.c: New file. Contains IPCP specific functionality.
7875 * ipa-prop.h: New file. Contains structures/definitions that can be
7876 used by several interprocedural data flow optimizations (and also IPCP).
7877 * ipa-prop.c: New file.
7878 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7879 * common.opt: Add ipa-cp flag.
7880 * timevar.def: Add IPCP optimization.
7881 * tree-optimize.c (init_tree_optimization_passes): Schedule
7883 * tree-pass.h (pass_ipa_cp): Declare.
7885 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
7887 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7888 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7889 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7890 config/i386/i386.c, config/mips/mips.h,
7891 config/rs6000/rs6000.h, config/sh/sh.c,
7892 config/stormy16/stormy16.c: Fix comment typos.
7894 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
7897 * c-typeck.c (build_binary_op): Use common_type wrapper on
7899 (common_type): Update comment.
7901 2005-07-31 Steven Bosscher <stevenb@suse.de>
7904 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7905 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7906 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7908 2005-07-31 Jan Hubicka <jh@suse.cz>
7910 * pretty-print.h (pp_widest_integer): New macro.
7911 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7914 2005-07-31 Jan Hubicka <jh@suse.cz>
7916 * output.h (enum section_category): Export from varasm.c
7917 (categorize_decl_for_section): Likewise.
7918 * varasm.c (enum section_category): Kill.
7919 (categorize_decl_for_section): Make global.
7920 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7922 * i386.c (ix86_section_threshold): New static variable.
7923 (ix86_in_large_data_p, ix86_encode_section_info,
7924 x86_64_elf_unique_section,
7925 x86_64_elf_select_section): New functions.
7926 (TARGET_ENCODE_SECTION_INFO): Define
7927 (override_options): Enable medium model for PIC.
7928 (ix86_expand_prologue): Expand gen_set_got_rex64.
7929 (legitimate_constant_p): Handle new UNSPECs.
7930 (legitimate_pic_address_disp_p): Likewise.
7931 (legitimize_pic_address): Lower MEDIUM model addressing.
7932 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7933 (enum cmodel): Add MEDIUM_PIC.
7934 (SYMBOL_REF_FAR_ADDR_P): New macro.
7935 (SYMBOL_FLAG_FAR_ADDR): New flag.
7936 * i386.md (movdi): Support medium model.
7937 (set_got_rex64): New pattern.
7938 * i386.opt (mlarge-data-threshold): New flag.
7939 * predicates.md (zext_operand/sext_operand): Deal with medium model.
7940 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7941 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7942 TARGET_ASM_UNIQUE_SECTION): New.
7944 * invoke.texi (-mlarge_data_threshold): Document
7946 2005-07-31 Jan Hubicka <jh@suse.cz>
7948 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7949 (coalesce_vars): Likewise.
7950 * tree-ssa-live.c (coalesce_cost): New.
7951 (build_tree_conflict_graph): Use coalesce_cost.
7952 * tree-ssa-live.h (coalesce_cost): Declare.
7954 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
7956 * arm.md (all peepholes for post-increment operations): Delete.
7957 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7958 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7959 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7960 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7961 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7963 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
7965 * fold-const.c (tree_expr_nonnegative_p): Always return true for
7968 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
7971 * doc/invoke.texi: Document -rdynamic.
7973 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
7976 * c-parser.c (c_parser_parms_list_declarator): Call
7977 mark_forward_parm_decls.
7978 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7979 decls with visibility structure.
7981 2005-07-30 Paul Brook <paul@codesourcery.com>
7983 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7985 2005-07-30 Paul Brook <paul@codesourcery.com>
7987 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7989 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7991 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7993 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7996 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7997 nested function declarators.
7998 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7999 (grokparms): Call warn_if_shadowing for parameters used within the
8001 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8002 not used within the parameter list.
8003 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8005 2005-07-30 Jan Hubicka <jh@suse.cz>
8007 * expr.c (expand_expr_real_1): Do not load mem targets into register.
8008 * i386.c (ix86_fixup_binary_operands): Likewise.
8009 (ix86_expand_unary_operator): Likewise.
8010 (ix86_expand_fp_absneg_operator): Likewise.
8011 * optabs.c (expand_vec_cond_expr): Validate dest.
8013 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8016 * real.c (real_from_string): Also set last bit if there is a
8017 nonzero hex digit beyond GCC's internal precision after ".".
8019 2005-07-29 David Edelsohn <edelsohn@gnu.org>
8021 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8022 define_constants. Change duplicate values to unassigned numbers.
8023 Change UNSPEC_SUBS to UNSPEC_VSUBS.
8024 (*altivec_vspltsf): New.
8025 (altivec_vperm_v4sf): Delete.
8026 (altivec_vperm_<mode>): Use mode macro V.
8027 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8028 (altivec_predicate_v4sf): Delete.
8029 (altivec_predicate_<mode>): Use mode macro V.
8030 (*altivec_lvesfx): New.
8031 (*altivec_stvesfx): New.
8032 (vec_realign_load_v4sf): Delete.
8033 (vec_realign_load_<mode>): Use mode macro V.
8034 * config/rs6000/rs6000.c (generate_set_vrsave): Use
8037 2005-07-29 Mark Mitchell <mark@codesourcery.com>
8040 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8042 * configure: Regenerated.
8044 2005-07-29 Paul Brook <paul@codesourcery.com>
8046 * doc/install.texi: Add link to GFortran binaries wiki page.
8048 2005-07-29 David Ung <davidu@mips.com>
8050 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8051 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8052 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8053 * config/mips/mips.md (cpu): Add 5kf name.
8054 (includes): Includes 5k.md.
8055 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8056 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8059 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8062 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8063 (cleanup_tree_cfg): ... here.
8064 Call cleanup_tree_cfg_1 until there are no more cleanups to
8067 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
8069 * tree-vrp.c (compare_range_with_value): Return true or false
8070 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8071 EQ_EXPR respectively.
8073 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
8075 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8078 2005-07-29 Diego Novillo <dnovillo@redhat.com>
8080 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8081 (tree_ssa_dominator_optimize): Increment it.
8082 (dump_dominator_optimization_stats): Print it.
8084 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8085 Steven Bosscher <stevenb@suse.de>
8087 PR rtl-optimization/23117
8088 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8089 when head == tail. Tidy comment.
8091 2005-07-28 Richard Henderson <rth@redhat.com>
8093 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8094 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8095 * jump.c (rtx_renumbered_equal_p): Likewise.
8096 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8097 CONST_INT and CONST_DOUBLE.
8098 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8099 * reload.c (operands_match_p): Special case CONST_INT and
8100 CONST_DOUBLE; check mode earlier.
8102 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8105 * c-typeck.c (convert_for_assignment): Do not check
8106 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8108 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8111 * c-typeck.c (composite_type): Prefer constant size arrays to
8114 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8117 * real.c (real_from_string): Set last bit if there is a nonzero
8118 hex digit beyond GCC's internal precision.
8120 2005-07-28 Richard Henderson <rth@redhat.com>
8123 * cfgcleanup.c (try_forward_edges): Watch out for end of
8126 2005-07-28 James E Wilson <wilson@specifixinc.com>
8129 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8131 2005-07-28 Jan Hubicka <jh@suse.cz>
8133 * Makefile.in (rtl-profile.o): Kill all traces of it.
8134 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8135 * coverage.h (rtl_coverage_counter_ref): Kill.
8136 * opts.c (flag_speculative_prefetching_set): Kill.
8137 (flag_loop_optimize_set): New.
8138 (common_handle_option): Disable loop optimizer when profiling;
8139 do not handle speculative prefetching.
8140 * passes.c (init_optimization_passes): Replace pass_profiling combo
8141 by branch_prob pass.
8142 * profile.c (compute_value_histograms): Update for simplified value
8144 (rtl_register_profile_hooks): Kill.
8145 (pass_profiling): Kill.
8146 (rest_of_handle_branch_prob): Do not profile.
8147 * toplev.c (process_options): Remove speculative prefetching.
8148 * toplev.h (flag_tree_based_profiling): Kill.
8149 * tree-profile.c (prepare_instrumented_value,
8150 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8151 tree_gen_one_value_profiler, do_tree_profiling): Update for
8152 simplified datastructures.
8153 * value-prof.c: Add comment that speculative prefetching was dropped;
8154 update rest of file for simplified datastructures.
8155 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8156 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8157 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8158 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8159 rtl_mod_subtract, gen_speculative_prefetch,
8160 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8161 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8162 (gate_handle_value_profile_transformations,
8163 rest_of_handle_value_profile_transformations,
8164 pass_value_profile_transformations): Kill.
8165 * value-prof.h (histogram_value_t): Remove IL based unions.
8166 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8167 rtl_profile_hooks): Remove hooks.
8169 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8171 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8172 (cgraph_clone_node): Likewise.
8173 * cgraph.h (cgraph_clone_edge): Update prototype.
8174 (cgraph_clone_node): Likewise.
8175 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8177 (lookup_recursive_calls): Consider profile.
8178 (cgraph_decide_recursive_inlining): Fix updating; use new
8179 probability argument; use profile.
8180 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8181 * tree-inline.c (copy_bb): Update clal of clone_edge.
8182 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8184 * invoke.texi (min-inline-recursive-probability): Document.
8186 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8188 * doc/install.texi (Configuration): Update Valgrind homepage.
8190 2005-07-28 Richard Henderson <rth@redhat.com>
8193 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8194 labels we want to delete.
8195 (cfg_layout_merge_blocks): Likewise.
8197 2005-07-28 Richard Henderson <rth@redhat.com>
8200 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8201 when expanding to nothing.
8203 2005-07-28 Josh Conner <jconner@apple.com>
8205 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8206 (cgraph_decide_inlining_of_small_functions): Likewise.
8208 2005-07-28 Josh Conner <jconner@apple.com>
8210 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8211 direction of badness if negative.
8212 (cgraph_default_inline_p): Add reason to parameters, and assign it
8214 (cgraph_decide_inlining_of_small_functions): New parameter in call
8215 to cgraph_default_inline_p.
8216 (cgraph_decide_inlining_incrementally): Likewise.
8217 * cgraphunit.c (decide_is_function_needed): Likewise.
8218 * cgraph.h (cgraph_default_inline_p): Likewise.
8220 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8222 * builtins.c: Fix comment typo(s).
8223 * genautomata.c: Likewise.
8224 * gimplify.c: Likewise.
8225 * tree-dfa.c: Likewise.
8226 * tree-flow-inline.h: Likewise.
8227 * tree-into-ssa.c: Likewise.
8228 * tree-ssa-alias.c: Likewise.
8229 * tree-ssa-ccp.c: Likewise.
8230 * tree-ssa-copy.c: Likewise.
8231 * tree-ssa-dce.c: Likewise.
8232 * tree-ssa-dom.c: Likewise.
8233 * tree-ssa-operands.c: Likewise.
8234 * tree-tailcall.c: Likewise.
8235 * tree-vectorizer.c: Likewise.
8236 * tree-vrp.c: Likewise.
8239 2005-07-28 Jeff Law <law@redhat.com>
8241 * tree-vrp.c (test_for_singularity): Extracted from ...
8242 (simplify_cond_using_ranges): Attempt to simplify a relational
8243 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8245 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8247 PR tree-optimization/22506
8248 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8249 phis whose argument is constant.
8251 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8253 PR rtl-optimization/18992
8254 Back out this patch:
8255 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8256 PR optimization/12142
8257 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8258 uses of the register in the SET_SRC. Remove unnecessary argument.
8260 Replace it with this:
8261 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8262 if flag_non_call_exceptions is set and the insn may trap, pass
8263 pc_rtx as dest for recursion.
8264 In SET_SRC part of SET case, if dest is already set, pass it down
8267 2005-07-28 Jan Hubicka <jh@suse.cz>
8269 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8270 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8271 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8273 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8274 profile when available.
8276 2005-07-28 Jan Beulich <jbeulich@novell.com>
8278 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8279 (ia64_print_operand): Describe and handle 'X'.
8280 (ia64_register_move_cost): Also handle FP_REGS.
8281 (ia64_preferred_reload_class): Likewise.
8282 (ia64_secondary_reload_class): Likewise.
8283 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8284 it. Also check for ITANIUM_CLASS_FLDP.
8285 * config/ia64/ia64.h (FP_REGNO_P): New.
8286 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8287 (reg_class): Add FP_REGS.
8288 (REG_CLASS_NAMES): Adjust for it.
8289 (REG_CLASS_CONTENTS): Likewise.
8290 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8291 (REG_CLASS_FROM_LETTER): Handle 'x'.
8292 (CLASS_MAX_NREGS): Handle FP_REGS.
8293 (MEMORY_MOVE_COST): Likewise.
8294 * config/ia64/ia64.md (itanium_class): Add fldp.
8295 (type): Handle fldp.
8296 (movti_internal): More allowable operand combinations. Use ldfp8 when
8297 splitting unnecessary. Remove predicable attribute. Adjust
8298 itanium_class attribute.
8299 (smuldi3_highpart): Remove outdated comment.
8300 (mulditi3, umulditi3, rotlti3): New expanders.
8301 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8302 (absti2): Disabled new insn for future reference.
8303 Respective new splitters.
8304 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8305 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8306 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8308 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8310 PR rtl-optimization/23047
8311 * simplify-rtx.c (simplify_const_relational_operation): Respect
8312 flag_wrapv for comparisons with ABS.
8314 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8316 PR tree-optimization/22493
8317 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8318 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8320 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8322 * config/frv/frv.opt (moptimize-membar): New.
8324 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8326 * config/frv/frv.h: Remove machine_function definition.
8328 * config/frv/frv.c (struct frv_io): New.
8329 (struct machine_function): Moved from frv.h. Add has_membar_p.
8330 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8331 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8332 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8333 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8334 (frv_reorg): Call frv_optimize_membar when appropriate.
8335 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8336 (frv_expand_builtin): Adjust calls accordingly.
8337 (frv_io_address_cookie): New function.
8338 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8339 load or store rather than a special insn. Add ccnstant address and
8340 io-type operands to the membar.
8341 (frv_ifcvt_modify_tests): Unsign regno.
8342 (frv_ifcvt_modify_tests): Same.
8344 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8345 UNSPEC_OPTIONAL_MEMBAR constant.
8346 (builtin_read_<mode>): Delete.
8347 (builtin_write_<mode>): Delete.
8348 ("optional_membar_<mode>"): Add operand.
8350 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8351 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8352 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8353 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8354 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8355 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8356 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8357 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8358 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8360 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8362 * df.c (df_uses_record): Handle SCRATCH.
8364 2005-07-28 Steven Bosscher <stevenb@suse.de>
8367 * passes.c (rest_of_decl_compilation): If decl is a type and
8368 we have encountered errors, don't emit debug information.
8370 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8372 * params.def: Fixed comment.
8374 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8377 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8378 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8379 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8381 2005-07-27 Steven Bosscher <stevenb@suse.de>
8384 * varasm.c (assemble_start_function): Don't do anything that may
8385 require a CFG if the current function is a thunk.
8387 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8389 * doc/install.texi (Prerequisites): Mention that perl is needed
8390 to do export control in libstdc++ targetting Darwin.
8392 2005-07-27 Steven Bosscher <stevenb@suse.de>
8394 PR rtl-optimization/17808
8395 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8396 (sched_insns_conditions_mutex_p): Split out from...
8397 (add_dependence): ...here. But don't call it from here.
8398 (add_dependence_list): Check sched_insns_conditions_mutex_p
8399 before calling add_dependence.
8400 (add_dependence_list_and_free): Likewise.
8401 (fixup_sched_groups): Likewise.
8402 (sched_analyze_1): Likewise.
8403 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8404 (sched_analyze): Likewise.
8405 (sched_analyze_insn): Likewise.
8406 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8407 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8408 dependencies on all COND_EXEC insns to jumps ending basic blocks
8409 when doing intrablock scheduling.
8410 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8412 2005-07-27 Jeff Law <law@redhat.com>
8414 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8415 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8416 equivalency sets, correctly handle the case were vr0 has an
8417 equivalency set, but vr1 does not.
8419 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8421 PR tree-optimization/23073
8422 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8423 vect_print_dump_info before fprintf.
8425 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8427 PR tree-optimize/22348
8428 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8429 Fold the partial computation.
8431 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8433 PR tree-optimization/22325
8434 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8436 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8438 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8439 (force_var_cost): ... this function.
8440 (compute_phi_arg_on_exit): Export.
8442 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8444 PR tree-optimization/20773
8445 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8448 2005-07-27 Richard Guenther <rguenther@suse.de>
8450 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8451 Avoid pushing again if current struct contains only
8452 fields we decomposed.
8454 2005-07-27 Jan Hubicka <jh@suse.cz>
8456 PR tree-optimization/22574
8457 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8460 * tree-tailcall.c (decrease_profile): New function.
8461 (eliminate_tail_call): Use it.
8463 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8464 visibility flags correctly in whole program mode.
8466 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8468 PR rtl-optimization/22472
8469 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8471 2005-07-26 Steven Bosscher <stevenb@suse.de>
8473 PR tree-optimization/22504
8474 * tree-complex.c (expand_complex_addition): Use 'code' instead
8475 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8477 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8479 * config.gcc (cpu_type): Add frv case.
8480 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8481 (supported_defaults): Add fr550 case.
8483 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8486 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8487 whether a pointer of type T * may point to objects of type T *.
8489 2005-07-26 DJ Delorie <dj@redhat.com>
8491 * configure: Regenerate.
8493 2005-07-26 Dale Johannesen <dalej@apple.com>
8495 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8497 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8499 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8500 Clarify use of "build" in name.
8502 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8504 * doc/extend.texi (Raw read/write Functions): New section.
8505 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8506 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8507 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8508 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8509 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8510 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8511 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8512 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8513 * config/frv/frv.c: Add bdesc_loads global.
8514 Add bdesc_stores global.
8515 (frv_init_builtins): Add support for __builtin_{read/write}*.
8516 (frv_volatile_memref): New.
8517 (frv_expand_load_builtin): New.
8518 (frv_expand_store_builtin): New.
8519 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8520 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8521 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8522 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8523 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8524 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8525 (builtin_read_<mode>): New.
8526 (builtin_write_<mode>): New.
8527 (builtin_write64): New.
8528 (optional_membar_<mode>): New.
8530 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8532 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8533 (rather than units) against HOST_BITS_PER_WIDE_INT.
8535 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8537 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8538 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8539 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8540 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8543 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8544 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8545 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8547 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8549 2005-07-26 Richard Guenther <rguenther@suse.de>
8551 PR tree-optimization/22486
8552 * fold-const.c (fold_unary): Fold away useless component
8553 references of the form (T *)&T.x, if the address
8556 2005-07-25 James E Wilson <wilson@specifixinc.com>
8558 * dwarf2out.c (add_call_src_coords_attributes): New.
8559 (gen_inlined_subroutine_die): Call it.
8560 (maybe_emit_file, init_file_table): Add comments.
8561 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8563 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8564 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8565 * tree.h (BLOCK_SOURCE_LOCATION): New.
8566 (struct tree_block): New field locus.
8568 2005-07-26 Andreas Schwab <schwab@suse.de>
8570 PR rtl-optimization/23043
8571 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8572 when allocating a struct unoccr.
8574 2005-07-25 Richard Henderson <rth@redhat.com>
8577 * tree-complex.c (gate_no_optimization): True if errors.
8578 * Makefile.in (tree-complex.o): Update dependencies.
8580 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8582 * config/frv/predicates.md (integer_register_operand): Use
8585 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8588 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8590 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8592 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8594 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8595 types when flag_unsafe_math_optimizations is true.
8597 2005-07-25 Mark Mitchell <mark@codesourcery.com>
8599 * gcc.c (option_map): Add --sysroot.
8600 (process_command): Handle --sysroot.
8601 (display_help): Document it.
8602 * doc/cppopts.tex (-isysroot): Document.
8603 * doc/invoke.texi (--sysroot): Document.
8604 * doc/install.texi (--with-build-sysroot): Document.
8606 * Makefile.in (inhibit_libc): New variable.
8607 (INHIBIT_LIBC_CFLAGS): Likewise.
8608 (LIBGCC2_CFLAGS): Include
8609 $(INHIBIT_LIBC_CFLAGS).
8610 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8611 ($(T)crtbegin.o): Do not use @inhibit_libc@.
8612 ($(T)crtend.o): Likewise.
8613 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8614 ($(T)crtendS.o): Likewise.
8615 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8616 ($(T)crtendT.o): Likewise.
8617 (stmp-fixinc): Do not complain about missing headers if
8619 * configure.ac (inhibit_libc): Set it to true/false.
8620 (--with-build-sysroot): New option. Use it to set
8622 * configure: Regenerated.
8624 2005-07-25 Manfred Hollstein <mh@suse.com>
8626 * calls.c (store_one_arg): Fix unsigned comparison warning.
8628 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
8631 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8632 (ggc_print_statistics): Initialize variable before use.
8634 2005-07-25 Richard Guenther <rguenther@suse.de>
8636 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8637 calling with a PHI_NODE argument.
8639 * tree-flow-inline.h (overlap_subvar): Protect against
8642 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
8644 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8645 * configure: Regenerate.
8647 2005-07-25 Ira Rosen <irar@il.ibm.com>
8649 * expr.c (highest_pow2_factor): Make extern.
8650 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8651 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8652 record_array_differ_p, array_ptr_differ_p): Likewise.
8653 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8654 additional cases. Call the above functions.
8655 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8656 base_object_differ_p when there are two base objects. Otherwise, compare
8657 base address and offset. Call may_alias_p.
8658 (dump_data_reference): Use a correct field name.
8659 (analyze_array): Make static. Initialize new data-ref fields.
8660 (analyze_indirect_ref): New function.
8661 (init_data_ref): Initialize new data-ref fields.
8662 (strip_conversion): Moved from tree-vect-analyze.c.
8663 (analyze_offset_expr, get_ptr_offset, address_analysis,
8664 object_analysis): Likewise.
8665 (analyze_offset): New function.
8666 (create_data_ref): Likewise.
8667 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8668 dimensions for ARRAY_REFs only.
8669 (build_classic_dist_vector): Make static.
8670 (access_functions_are_affine_or_constant_p): Call macro to get the
8671 address of access functions.
8672 (compute_all_dependences): Add new parameter
8673 compute_self_and_read_read_dependences. Compute self and read-read
8674 dependences if it is true.
8675 (find_data_references_in_loop): Call create_data_ref. Initialize new
8677 (compute_data_dependences_for_loop): Add new parameter
8678 compute_self_and_read_read_dependences. Remove parameter nb_loops,
8679 compute nb_loops. Call compute_all_dependences,
8680 build_classic_dist_vector and build_classic_dir_vector with correct
8682 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8683 with correct parameters. Compare dimensions for ARRAY_REFs only.
8684 (free_data_refs): Call macro to free access functions.
8685 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8686 fields from stmt_vinfo.
8687 (struct base_object_info): New structure.
8688 (struct data_reference): Move fields to base_object_info. Add fields
8689 first_location and object_info for above structures. Move fields from
8690 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8691 aligned_to. Add macros to access the new fields.
8692 Update functions declarations.
8693 * tree-flow.h (is_aliased_with): Declare.
8694 * tree-loop-linear.c (linear_transform_loops): Call
8695 compute_data_dependences_for_loop with correct parameters.
8696 * tree-ssa-alias.c (is_aliased_with): New function.
8697 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8698 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8699 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8700 vect_base_addr_differ_p, compute_subscript_distance and
8701 build_classic_dist_vector. Add printings. Check absolute value of
8703 (vect_analyze_data_ref_dependences): Go through ddrs instead of
8705 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8706 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8707 to bytes. Add printing.
8708 (vect_compute_data_refs_alignment): Go through loads and stores in one
8710 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8711 vect_analyze_data_ref_access): Likewise.
8712 (vect_analyze_pointer_ref_access): Remove.
8713 (vect_address_analysis, vect_object_analysis): Likewise.
8714 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8715 and analyze data-refs in the loop.
8716 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8717 fields of data-ref instead of stmt. Add init to the offset from the
8719 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8720 (vect_update_init_of_dr): Likewise.
8721 (vect_update_inits_of_drs): Go through loads and stores in one loop.
8722 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8724 (new_loop_vec_info): Initialize new fields.
8725 (destroy_loop_vec_info): Free new fields.
8726 (vect_strip_conversion): Remove.
8727 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8728 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8729 datarefs. Add new field ddrs.
8730 Add macros for the new fields access.
8731 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8732 base_aligned_p, misalignment, memtag, ptr_info and subvars.
8733 Remove their macros.
8734 * tree.h (highest_pow2_factor): Declare.
8736 2005-07-25 Jakub Jelinek <jakub@redhat.com>
8738 * calls.c (store_one_arg): Check for sibling call MEM arguments
8739 from already clobbered incoming argument area.
8741 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8743 * c-common.c (check_missing_format_attribute): New.
8744 * c-common.h (check_missing_format_attribute): Likewise.
8745 * c-typeck.c (convert_for_assignment): Use it.
8747 2005-07-24 Andreas Schwab <schwab@suse.de>
8749 * config/m68k/m68k.md ("extendqidi2"): When source is an address
8750 register use a word move. Correct operand of ext.w in 68000 code.
8752 2005-07-23 Mark Mitchell <mark@codesourcery.com>
8754 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8755 variables as declarations, rather than definitions.
8757 2005-07-24 Ira Rosen <irar@il.ibm.com>
8759 PR tree-optimization/22526
8760 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8763 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8765 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8766 that C99 reserve for future use. Use it to define clog10,
8767 clog10f and clog10l.
8769 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8771 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8772 * configure.ac: Check for -Wmissing-format-attribute.
8774 * configure: Regenerate.
8776 2005-07-23 Richard Henderson <rth@redhat.com>
8778 PR tree-optimization/22623
8779 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8781 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
8784 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8786 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8788 * Makefile.in (C_TREE_H): Update dependencies.
8789 * c-tree.h: Include toplev.h.
8790 * diagnostic.h (diagnostic_set_info): Add format attribute.
8791 * rtl-error.c (diagnostic_for_asm): Likewise.
8793 2005-07-23 Chao-ying Fu <fu@mips.com>
8795 * config/mips/mips-dsp.md: New file.
8796 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8797 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8799 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8800 MIPS_BUILTIN_BPOSGE32.
8801 (mips_expand_builtin_direct): Add one parameter to indicate that
8802 builtin functions need to return a value.
8803 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8805 (mips_regno_to_class): Add classes for 12 new DSP registers.
8806 (mips_subword): Change to check four HI registers.
8807 (mips_output_move): Output move to and from 6 new DSP accumulators.
8808 (override_options): Make sure -mdsp and -mips16 are not used together.
8809 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
8811 (mips_conditional_register_usage): Disable 6 new DSP accumulators
8813 (print_operand): Add 'q' for printing DSP accumulators.
8814 (mips_cannot_change_mode_class): Check ACC_REGS.
8815 (mips_secondary_reload_class): Check ACC_REGS.
8816 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8817 (mips_register_move_cost): Check ACC_REGS.
8818 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8819 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8820 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8821 (dsp_bdesc): New array.
8822 (bdesc_arrays): Add DSP builtin function table.
8823 (mips_prepare_builtin_arg): Check predicate again after
8825 (mips_expand_builtin): Add one more parameter to
8826 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8827 MIPS_BUILTIN_BPOSGE32.
8828 (mips_init_builtins): Initialize new function types.
8829 (mips_expand_builtin_direct): Check if builtin functions need to
8830 return a value and pass operands properly.
8831 (mips_expand_builtin_bposge): New function.
8832 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8833 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8834 (FIRST_PSEUDO_REGISTER): Increase to 188.
8835 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8836 Update for 12 new DSP registers.
8837 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8838 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8839 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8840 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8841 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8842 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8843 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8844 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8845 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8846 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8847 (REGISTER_NAMES): Add names for 12 new DSP registers.
8848 * config/mips/mips.md: Include mips-dsp.md.
8849 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8850 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8851 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8852 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8853 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8854 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8855 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8856 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8857 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8858 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8859 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8860 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8861 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8862 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8863 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8864 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8865 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8866 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8867 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8868 (UNSPEC_RDDSP): New constants.
8869 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8870 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
8872 * config/mips/mips.opt (-mdsp): New option.
8873 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8874 (reg_imm10_operand): New predicates.
8875 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8876 * doc/invoke.texi (-mdsp): Document new option.
8878 2005-07-22 DJ Delorie <dj@redhat.com>
8880 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8882 * tree-inline.c (inlinable_function_p): Likewise.
8884 2005-07-22 Mark Mitchell <mark@codesourcery.com>
8887 * toplev.c (check_global_declarations): Do not mark undefined
8888 variables as DECL_IGNORED_P.
8889 * varasm.c (first_global_object_name): GTY it.
8890 (weak_global_object_name): Likewise.
8891 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8892 a string to go into {weak,first}_global_object_name.
8894 2005-07-22 DJ Delorie <dj@redhat.com>
8896 * c-format.c (check_function_format): Change warning control
8897 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8899 2005-07-22 Diego Novillo <dnovillo@redhat.com>
8901 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8902 &PTR->FLD a dereference of PTR.
8903 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8904 a potential dereference of PTR.
8906 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
8908 PR rtl-optimization/20370
8909 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8910 call allocate_reg_info if necessary.
8912 PR rtl-optimization/21848
8913 * calls.c (emit_library_call_value_1): For const functions, add
8914 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8916 PR rtl-optimization/22445
8917 * cselib.c (target.h): Include.
8918 (rtx_equal_for_cselib_p): Allow commutative matches.
8919 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8920 Remove MODE parameter. Changed all callers.
8922 PR rtl-optimization/22258
8923 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8925 (try_combine): Use likely_spilled_retval_p.
8927 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
8929 * config.gcc: Add crx-elf support.
8931 * doc/contrib.texi: Mention crx.
8932 * doc/extend.texi: Document crx extensions.
8933 * doc/install.texi: Document crx install.
8934 * doc/invoke.texi: Document crx options.
8935 * doc/md.texi: Document crx constraints.
8937 * config/crx/crx-protos.h: New file.
8938 * config/crx/crx.c: New file.
8939 * config/crx/crx.h: New file.
8940 * config/crx/crx.md: New file.
8941 * config/crx/crx.opt: New file.
8942 * config/crx/t-crx: New file.
8944 2005-07-22 Manfred Hollstein <mh@suse.com>
8946 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8948 (int_add_graph_edge): Likewise.
8949 (collapse_nodes): Likewise.
8950 (process_unification_queue): Likewise.
8952 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8953 Laurent GUERBY <laurent@guerby.net>
8955 PR tree-optimization/22336
8956 * function.c (record_block_change): Check for
8957 cfun->ib_boundaries_block.
8959 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
8961 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8962 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8964 2005-07-21 DJ Delorie <dj@redhat.com>
8966 * toplev.c (warn_deprecated_use): Add warning control to warning
8968 * c-typeck.c (parser_build_binary_op): Likewise.
8969 (c_finish_if_stmt): Likewise.
8970 * c-common.c (check_function_sentinel): Likewise.
8971 (check_nonnull_arg): Likewise.
8973 2005-07-21 Richard Henderson <rth@redhat.com>
8976 * tree-complex.c (complex_ssa_name_components): New.
8977 (cvc_lookup): Allow entry not found.
8978 (create_components): Remove.
8979 (create_one_component_var, get_component_var): New.
8980 (get_component_ssa_name, set_component_ssa_name): New.
8981 (extract_component): Use get_component_ssa_name.
8982 (update_complex_components): Use set_component_ssa_name.
8983 (update_complex_components_on_edge): Likewise.
8984 (update_phi_components): Create new PHI nodes directly, instead
8985 of adding insns to edges.
8986 (tree_lower_complex): Allocate and free complex_variable_components
8987 and complex_ssa_name_components here.
8989 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8991 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8992 revert to returning false.
8994 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8997 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8999 2005-07-21 Uros Bizjak <uros@kss-loka.si>
9002 * config/i386/i386.md (cmpxf): Change operand constraints
9003 to "nonmemory_operand".
9005 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9007 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9009 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9012 * fold-const.c (fold_build1): Add checksum for the operands.
9013 (fold_build2): Likewise.
9014 (fold_build3): Likewise.
9016 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
9019 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9021 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9023 * common.opt (-fforward-propagate): Committed by mistake,
9026 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9028 * reg-stack.c: Fix comment typo(s).
9029 * tree-ssa-operands.c: Likewise.
9030 * tree-vectorizer: Likewise.
9032 2005-07-21 Nick Clifton <nickc@redhat.com>
9034 * config/sh/symbian.c: Replace C++ style line comments with C
9035 style line comments.
9036 (symbian_add_attribute): Do not use a ? operator on the LHS of
9038 (sh_symbian_handle_dll_attribute): Change the type of the
9039 method vector to "VEC(tree,gc)*" and use vector accessor
9040 macros to walk over the elements.
9041 (symbian_export_vtable_and_rtti_p): Likewise.
9042 (symbian_class_needs_attribute_p): Likewise.
9044 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9047 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9048 initialize targetm.resolve_overloaded_builtin here.
9049 (altivec_expand_overloaded_builtin): Make it non-static.
9050 * config/rs6000/rs6000-protos.h
9051 (altivec_expand_overloaded_builtin): New prototype.
9052 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9053 targetm.resolve_overloaded_builtin here.
9054 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9056 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
9057 Zdenek Dvorak <dvorakz@suse.cz>
9059 PR tree-optimization/19210
9060 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9062 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9063 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9064 rely on unproven assumptions.
9065 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9066 * tree-flow.h (number_of_iterations_exit): Add final parameter.
9067 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9068 to number_of_iterations_exit.
9069 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9070 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9071 * tree-ssa-loop-niter.c (find_loop_niter,
9072 estimate_numbers_of_iterations_loop): Likewise.
9073 (number_of_iterations_exit): Honor the new options.
9074 * doc/invoke.texi (Wunsafe-loop-optimizations,
9075 funsafe-loop-optimizations): Document them.
9077 2005-07-21 Richard Sandiford <richard@codesourcery.com>
9079 PR rtl-optimization/22167
9080 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9082 2005-07-20 Adam Nemet <anemet@lnxw.com>
9084 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9085 __do_global_dtors_aux longcall.
9087 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9089 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9090 (old_special_pred_table): Don't reference
9091 SPECIAL_MODE_PREDICATES.
9092 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9093 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9094 * config/sh/predicates.h: Don't mention
9095 SPECIAL_MODE_PREDICATES.
9096 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9099 2005-07-20 DJ Delorie <dj@redhat.com>
9101 * config.gcc: Add m32c-elf support.
9103 * doc/contrib.texi: Mention m32c.
9104 * doc/extend.texi: Document m32c extensions.
9105 * doc/install.texi: Mention m32c.
9106 * doc/invoke.texi: Document m32c options.
9107 * doc/md.texi: Document m32c constraints.
9109 * config/m32c/addsub.md: New file.
9110 * config/m32c/bitops.md: New file.
9111 * config/m32c/cond.md: New file.
9112 * config/m32c/jump.md: New file.
9113 * config/m32c/m32c-lib1.S: New file.
9114 * config/m32c/m32c-lib2.c: New file.
9115 * config/m32c/m32c-modes.def: New file.
9116 * config/m32c/m32c-pragma.c: New file.
9117 * config/m32c/m32c-protos.h: New file.
9118 * config/m32c/m32c.abi: New file.
9119 * config/m32c/m32c.c: New file.
9120 * config/m32c/m32c.h: New file.
9121 * config/m32c/m32c.md: New file.
9122 * config/m32c/m32c.opt: New file.
9123 * config/m32c/minmax.md: New file.
9124 * config/m32c/mov.md: New file.
9125 * config/m32c/muldiv.md: New file.
9126 * config/m32c/predicates.md: New file.
9127 * config/m32c/prologue.md: New file.
9128 * config/m32c/shift.md: New file.
9129 * config/m32c/t-m32c: New file.
9131 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9133 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9134 (stack_protect_set, stack_protect_test): New expanders.
9135 (stack_protect_set_si, stack_protect_set_si_media,
9136 stack_protect_set_di_media, stack_protect_test_si,
9137 stack_protect_test_si_media, stack_protect_test_di_media):
9140 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9142 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9144 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9146 * tree.h (tree_expr_nonzero_p): Export.
9147 * fold-const.c (tree_expr_nonzero_p): Likewise.
9148 Return true for CALL_EXPRs that are alloca calls.
9149 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9151 * tree-flow.h (expr_computes_nonzero): Remove.
9152 * tree-vrp.c (expr_computes_nonzero): Remove.
9153 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9154 (extract_range_from_unary_expr): Likewise.
9155 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9156 tree_expr_nonzero_p.
9158 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9160 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9161 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9162 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9163 All callers changed.
9164 (frame_related_constant_load): New arg "related" which controls
9165 setting of RTX_FRAME_RELATED_P. All callers changed.
9166 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9167 (bfin_expand_prologue): Add stack limit checking.
9168 * config/bfin/bfin.md (trapifcc): New pattern.
9170 * config/bfin/bfin.c: Include "langhooks.h".
9171 (def_builtin): Go through lang_hooks to call builtin_function.
9173 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9174 * config/bfin/predicates.md (symbol_ref_operand): New.
9175 (call_insn_operand): Delete. All callers changed to use
9176 register_no_elim_operand.
9177 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9179 (function_arg): Use it to generate the call's operand 2.
9180 (bfin_longcall_p): New function.
9181 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9182 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9183 determine if the address needs to be in a REG.
9184 (bfin_handle_longcall_attribute): New function.
9185 (bfin_attribute_table): Add "longcall" and "shortcall".
9186 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9187 (CUMULATIVE_ARGS): New member call_cookie.
9188 (PREDICATE_CODES): Add symbol_ref_operand.
9189 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9190 extra USE to the pattern.
9191 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9192 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9193 sibcall_value_insn; now the new patterns handle direct calls and the
9194 old ones indirect calls.
9195 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9197 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9199 * doc/trouble.texi: Update section on handling of empty loops.
9201 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9203 * config.gcc: Remove support for sparc-*-openbsd*,
9204 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9206 * config.host: Remove support for i860-*-sysv4* as a host.
9207 * config/i860/*, config/ip2k/*, config/ns32k/*,
9208 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9209 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9210 mention obsolete ports.
9212 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9214 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9216 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9217 of frame_pointer_rtx.
9218 (sh_expand_epilogue): Likewise.
9219 (sh_set_return_address): Likewise.
9220 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9221 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9222 offsets from FRAME_POINTER_REGNUM.
9223 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9224 (sh_register_names): Add initializer for sfp.
9225 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9226 (VALID_REGISTER_P): Likewise.
9227 (FIRST_PSEUDO_REGISTER): Update.
9228 (DWARF_FRAME_REGISTERS): Define.
9229 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9230 (HARD_FRAME_POINTER_REGNUM): Define.
9231 (FRAME_POINTER_REGNUM): Redefine.
9232 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9233 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9234 from FRAME_POINTER_REGNUM.
9235 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9236 FRAME_POINTER_REGNUM.
9237 (REG_CLASS_CONTENTS): Add sfp.
9238 (REG_ALLOC_ORDER): Likewise.
9239 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9240 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9241 of frame_pointer_rtx.
9242 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9244 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9246 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9247 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9248 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9250 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9253 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9255 Make CONSTRUCTOR use VEC to store initializers.
9256 * c-common.c (complete_array_type): Update to cope with VEC in
9258 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9259 (pp_c_constructor_elts): New function.
9260 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9261 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9262 struct constructor_stack, struct initializer_stack,
9263 constructor_elements, push_init_level, pop_init_level,
9264 add_pending_init, find_init_member, output_init_element): Update to
9265 cope with VEC in CONSTRUCTOR_ELTS.
9266 * coverage.c (build_fn_info_value, build_ctr_info_value,
9267 build_gcov_info): Likewise.
9268 * expr.c (categorize_ctor_elements_1, store_constructor,
9269 expand_expr_real_1): Likewise.
9270 * fold-const.c (fold_ternary): Likewise.
9271 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9272 gimplify_init_constructor, gimplify_expr): Likewise.
9273 * tree-dump.c (dequeue_and_dump): Likewise.
9274 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9276 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9278 * tree-sra.c (generate_element_init_1): Likewise.
9279 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9280 * tree-ssa-operands.c (get_expr_operands): Likewise.
9281 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9282 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9283 (get_initial_def_for_reduction): Likewise.
9284 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9285 value handle in annotations.
9286 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9287 tree_node_structure): Add support for constr_kind.
9288 (build_vector_from_ctor, build_constructor_single,
9289 build_constructor_from_list): New functions.
9290 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9291 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9292 Update to cope with VEC in CONSTRUCTOR_ELTS.
9293 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9294 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9295 CONSTRUCTOR_APPEND_ELT): New macros.
9296 (struct constructor_elt, struct tree_constructor): New data types.
9297 (union tree_node): Add tree_constructor field.
9298 * treestruct.def: Define TS_CONSTRUCTOR.
9299 * varasm.c (const_hash_1, compare_constant, copy_constant,
9300 compute_reloc_for_constant, output_addressed_constants,
9301 initializer_constant_valid_p, output_constant,
9302 array_size_for_constructor, output_constructor): Update to cope with
9303 VEC in CONSTRUCTOR_ELTS.
9304 * vec.h (VEC_empty, VEC_copy): New macros.
9306 2005-07-19 Devang Patel <dpatel@apple.com>
9308 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9310 2005-07-19 Richard Henderson <rth@redhat.com>
9313 * gimplify.c (gimplify_expr): Use main variant type for the temp
9314 destination for a discarded volatile read.
9315 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9316 casts between non-void types that change volatility.
9318 2005-07-15 DJ Delorie <dj@redhat.com>
9320 * toplev.h: Add comment about the first parameter for warning().
9321 * errors.h: Likewise.
9323 * c.opt (Wpragmas): New.
9324 * doc/invoke.texi: Document it.
9326 * function.c (do_warn_unused_parameter): Add warning control to
9328 * c-decl.c (warn_if_shadowing): Likewise.
9329 * c-lex.c (cb_def_pragma): Likewise.
9330 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9331 (pop_alignment): Likewise.
9332 (handle_pragma_pack): Likewise.
9333 (apply_pragma_weak): Likewise.
9334 (handle_pragma_weak): Likewise.
9335 (handle_pragma_redefine_extname): Likewise.
9336 (add_to_renaming_pragma_list): Likewise.
9337 (handle_pragma_extern_prefix): Likewise.
9338 (maybe_apply_renaming_pragma): Likewise.
9339 (handle_pragma_visibility): Likewise.
9341 * config/c4x/c4x-c.c (BAD): Likewise.
9342 (c4x_parse_pragma): Likewise.
9343 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9344 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9345 (rs6000_pragma_longcall): Likewise.
9346 * config/v850/v850-c.c (pop_data_area): Likewise.
9347 (ghs_pragma_section): Likewise.
9348 (ghs_pragma_section): Likewise.
9349 (ghs_pragma_interrupt): Likewise.
9350 (ghs_pragma_starttda): Likewise.
9351 (ghs_pragma_startsda): Likewise.
9352 (ghs_pragma_startzda): Likewise.
9353 (ghs_pragma_endtda): Likewise.
9354 (ghs_pragma_endsda): Likewise.
9355 (ghs_pragma_endzda): Likewise.
9357 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9358 Kenneth Zadeck <zadeck@naturalbridge.com>
9360 * Makefile.in: Removed tree-promote-statics.c
9361 * tree-promote-statics.c: Removed.
9362 * common.opt: Removed flag-promote-statics.
9364 * passes.c: Removed tree-promote-statics pass.
9365 * tree-pass.h: Ditto.
9366 * timevar.def: Removed TV_PROMOTE_STATICS.
9369 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9371 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9373 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9375 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9378 * c-common.c (check_function_arguments): Call
9379 'check_function_format' if either -Wformat or
9380 -Wmissing-format-attribute are specified.
9381 * c-format.c (check_function_format): Check -Wformat before
9382 calling 'check_format_info'.
9383 * c-opts.c (c_common_post_options): Don't warn for
9384 -Wmissing-format-attribute without -Wformat.
9385 * c-typeck.c (convert_for_assignment): Detect additional cases for
9386 -Wmissing-format-attribute.
9387 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9390 2005-07-19 Richard Guenther <rguenther@suse.de>
9392 * config/i386/i386.md (lrint<mode>2): Use temporary
9393 instead of clobbering non-existent memory.
9395 2005-07-19 Nick Clifton <nickc@redhat.com>
9397 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9398 statement to avoid displaying ASCII control characters.
9400 2005-07-19 Ben Elliston <bje@au.ibm.com>
9402 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9403 * cfganal.c (find_edge_index): Ditto.
9404 * combine.c (combine_instructions): Ditto.
9405 * ddg.c (create_scc): Ditto.
9406 (find_successors): Ditto.
9407 (find_predecessors): Ditto.
9408 (find_nodes_on_paths): Ditto.
9409 (longest_simple_path): Ditto.
9410 * flow.c (update_life_info): Ditto.
9411 (count_or_remove_death_notes): Ditto.
9412 (clear_log_links): Ditto.
9413 * modulo-sched.c (generate_reg_moves): Ditto.
9414 (find_max_asap): Ditto.
9415 (find_max_hv_min_mob): Ditto.
9416 (find_max_dv_min_mob): Ditto.
9417 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9418 * sched-rgn.c (extract_edgelst): Ditto.
9419 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9420 (dump_update_ssa): Ditto.
9421 (ssa_names_to_replace) Ditto.
9422 (switch_virtuals_to_full_rewrite): Ditto.
9423 (update_ssa): Ditto.
9424 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9426 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9428 Fix PR tree-optimization/22483
9430 * tree-complex.c (create_components): Use
9431 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9432 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9433 * tree-flow.h (safe_referenced_var_iterator): New structure.
9434 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9435 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9436 safe_referenced_var iterator.
9437 (add_type_alias): Ditto.
9439 2005-07-19 Steven Bosscher <stevenb@suse.de>
9441 * loop-init.c (rest_of_handle_loop2): Remove.
9442 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9443 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9444 (pass_rtl_loop_init, pass_rtl_loop_done,
9445 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9446 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9447 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9448 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9449 pass_tree_loop_done, and pass_tree_unswitch.
9450 (gate_loop): Rename to gate_tree_loop.
9451 * passes.c (init_optimization_passes): Update for renamed tree
9452 loop passes. Add the new loop2 passes as subpasses of loop2.
9453 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9454 Update for the renamed tree loop passes.
9456 2005-07-18 Ian Lance Taylor <ian@airs.com>
9459 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9460 blocks when optimizing.
9462 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9464 * common.opt (frename-registers): Initialize to 2.
9466 (fgcse-after-reload): Ditto.
9467 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9468 (process_options): Only change flag_web, flag_rename_registers,
9469 and flag_rerun_cse_after_loop if not explicitly set by user.
9471 2005-07-18 Jan Beulich <jbeulich@novell.com>
9473 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9474 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9475 in 64-bit mode the same as DImode in 32-bit mode.
9476 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9477 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9478 mode. Add new mode parameter.
9479 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9480 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9481 x86_64_shift_adj): New expanders.
9482 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9483 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9485 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9486 DImode shift splitters.
9487 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9488 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9491 2005-07-18 Jan Beulich <jbeulich@novell.com>
9493 * i386.md (movdi_extzv_1): New.
9494 (zero_extendhidi2): Combine alternatives and never force use of
9496 (zero_extendqidi2): Likewise. Don't restrict input selection.
9498 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9500 Fix PR tree-optimization/22531
9501 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9504 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9506 * tree-promote-statics.c (pass_promote_statics): Change dump file
9509 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9511 * tree-optimize.c (init_tree_optimization_passes): Add
9512 pass_eliminate_useless_stores pass.
9513 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9514 * tree-ssa-pre.c (is_copy_stmt): New function.
9515 (follow_copies_till_vuse): Ditto.
9516 (do_eustores): Ditto.
9517 (gate_eustores): Ditto.
9519 2005-07-16 Richard Henderson <rth@redhat.com>
9521 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9523 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9524 Kenneth Zadeck <zadeck@naturalbridge.com>
9526 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9527 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9528 ipa-type-escape.h, tree-promote-statics.c
9529 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9530 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9531 tree-promote-statics.c: new files.
9532 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9533 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9534 int nonlocal_set_p, mark_constant_function): Deleted.
9535 (rest_of_handle_cfg): Removed call to mark_constant_function.
9536 (nonoverlapping_component_refs_p): Added calls to support
9537 type based aliasing.
9538 * tree-ssa-alias.c (may_alias_p,
9539 compute_flow_insensitive_aliasing): Ditto.
9540 * calls.c (flags_from_decl_or_type): Removed reference to
9542 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9543 too many arguments. This is necessary for Spec 2000.
9544 * cgraph.h (const_function, pure_function): Removed.
9545 * common.opt: Added "fipa-pure-const", "fipa-reference",
9546 "fipa-type-escape", and "ftree-promote-static".
9548 * passes.c: Added ipa and tree-promote-statics passes.
9549 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9550 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9551 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9552 * tree-flow.h: Added exposed sra calls and addition of
9553 reference_vars_info field for FUNCTION_DECLS.
9554 * tree-pass.h: Added passes.
9555 * tree-sra.c: (sra_init_cache): New function.
9556 (sra_insert_before, sra_insert_after) Made public.
9557 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9559 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9560 aliasing. (may_alias_p): Added code to use type escape analysis to
9562 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9563 code to prune clobbers of static variables based on information
9564 produced in ipa-reference pass. Changed call clobbering so that
9565 statics are not marked as clobbered if the call does not clobber
9568 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9570 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9573 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9575 * doc/install.texi (*-*-solaris2*): Document recommended version
9576 of GNU binutils and mention GNU linker problem on Solaris 10.
9578 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
9581 * c-decl.c (c_build_bitfield_integer_type): New function.
9582 (finish_struct): Call it.
9583 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9585 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9587 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9590 2005-07-16 Jan Hubicka <jh@suse.cz>
9592 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9593 (scale_bbs_frequencies_int): Watch roundoff errors.
9594 * predict.c (return_prediction): Initialize return_stmt.
9596 2005-07-16 Jan Hubicka <jh@suse.cz>
9598 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9599 after RTL profiling.
9601 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
9604 * fold-const.c (build_range_check): Convert high/low to etype
9605 if we are only comparing against exp.
9607 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
9609 Fix PR tree-optimization/22376
9610 * tree-ssa-structalias.c (build_constraint_graph): We really meant
9612 (need_to_solve): New function.
9613 (compute_points_to_sets): Use it.
9615 2005-07-15 Jan Hubicka <jh@suse.cz>
9617 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9618 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9620 2005-07-15 Richard Guenther <rguenther@suse.de>
9622 * c-common.c (handle_flatten_attribute): New function.
9623 Add flatten function attribute.
9624 * doc/extend.texi: Document flatten function attribute.
9625 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9626 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9628 (cgraph_decide_inlining): Handle functions with flatten
9631 2005-07-14 David Edelsohn <edelsohn@gnu.org>
9633 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9634 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9635 UNSPEC_XCHG, UNSPEC_AND): New.
9636 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9637 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9638 * config/rs6000/sync.md (FETCHOP): New code macro.
9639 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9641 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9642 (sync_compare_and_swap<mode>): Same.
9643 (sync_lock_test_and_set<mode>): Same.
9644 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9645 for QImode and HImode, and not PPC405.
9646 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9647 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9648 (sync_<fetchop>{si,di}_internal): New.
9649 (sync_nand{si,di}_internal): New.
9650 (sync_old_<fetchop>{si,di}_internal): New.
9651 (sync_old_nand{si,di}_internal): New
9652 (sync_new_<fetchop>{si,di}_internal): New.
9653 (sync_new_nand{si,di}_internal): New.
9654 (atomic_and{si,di}): New.
9655 (sync_new_nand{si,di}_internal): New.
9656 (atomic_and{si,di}): New.
9657 (sync_add<mode>_internal): Delete.
9658 (sync_addshort_internal): Use unspec instead of unspec_volatile.
9659 (sync_sub<mode>_internal): Delte.
9660 (sync_subshort_internal): New.
9661 (sync_andsi_internal): Use unspec instead of unspec_volatile.
9662 (sync_anddi_internal): Delete.
9663 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9664 (sync_booldi_internal): Delete.
9665 (sync_boolc<mode>_internal): Delete.
9666 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9667 (sync_boolc<mode>_internal2): Delete.
9668 (sync_boolcc<mode>_internal): Delete.
9669 (isync, lwsync): Use unspec instead of unspec_volatile.
9670 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9671 Revert UNSPEC_VOLATILE.
9672 (rs6000_split_atomic_op): New.
9673 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9675 2005-07-14 Eric Christopher <echristo@redhat.com>
9677 * config/mips/mips.c (mips_canonicalize_comparison): Cast
9678 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9680 2005-07-14 Eric Christopher <echristo@redhat.com>
9682 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9684 2005-07-14 Steven Bosscher <stevenb@suse.de>
9686 PR tree-optimization/22230
9687 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9688 the computation of the four cross productions for "range op range".
9690 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
9691 Ulrich Weigand <uweigand@de.ibm.com>
9694 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9697 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9699 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9701 2005-07-14 Steve Ellcey <sje@cup.hp.com>
9703 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9705 2005-07-14 Richard Guenther <rguenther@suse.de>
9708 * config/i386/i386-protos.h (ix86_function_value): Change
9709 prototype to match new target hook.
9710 * config/i386/i386.c (ix86_value_regno): Change prototype
9711 to take extra type argument.
9712 (TARGET_FUNCTION_VALUE): Define.
9713 (ix86_function_ok_for_sibcall): Pass extra argument to
9714 ix86_value_regno, check return slot rtx for exact match.
9715 (ix86_function_value): Take extra parameter. Dispatch to
9716 ix86_value_regno with fndecl/fntype as provided.
9717 (ix86_value_regno): Handle extra type argument.
9718 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9720 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9721 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9722 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9723 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9724 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9726 2005-07-14 Richard Guenther <rguenther@suse.de>
9728 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9729 * calls.c (expand_call): Pass fntype to hard_function_value.
9730 (emit_library_call_value_1): Likewise.
9731 * explow.c: Include target.h.
9732 (hard_function_value): Take extra argument, the fntype.
9733 Use new target hook for function_value.
9734 * expr.h (hard_function_value): Change prototype.
9735 * function.c (aggregate_value_p): Pass 0 as fntype to
9736 hard_function_value.
9737 (assign_parms): Use new target hook for function_value.
9738 Pass 0 as fntype to hard_function_value.
9739 (expand_function_end): Likewise.
9740 * reg-stack.c: Include target.h.
9741 (stack_result): Use new target hook for function_value.
9742 * target-def.h: New target hook function_value.
9743 * target.h: Likewise.
9744 * targhooks.c (default_function_value): New function.
9745 * targhooks.h (default_function_value): Declare.
9747 2005-07-13 Ian Lance Taylor <ian@airs.com>
9749 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9751 2005-07-14 Jan Hubicka <jh@suse.cz>
9753 * tree-dfa.c (dump_variable): Use default_def function.
9754 * tree-ssa-alias.c (dump_points_to_info): Likewise.
9755 * tree-ssa.c (verify_use): Likewise.
9756 * tree-ssanames.c (release_ssa_name): Likewise.
9757 * tree-tailcall.c (eliminate_tail_call): Likewise.
9758 (tree_optimize_tail_calls_1): Likewise.
9759 * tree-vrp.c (get_value_range): Likewise.
9761 2005-07-14 Ben Elliston <bje@au.ibm.com>
9763 * gcc.c (main): Compare language[0] with '*' when iterating over
9766 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9768 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9769 "s390_emit_compare". Add handling of CCZ1mode.
9770 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9771 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9773 (s390_branch_condition_mask): Add CCZ1mode handling.
9774 * config/s390/s390.md: ("seq", "*seq"): New pattern.
9775 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9776 Use CCZ1mode instead of CCZmode.
9777 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
9779 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9781 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9783 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9785 2005-07-13 Eric Christopher <echristo@redhat.com>
9787 * config/mips/mips.c (mips_canonicalize_comparison): New.
9788 (mips_emit_int_relational): Use.
9790 2005-07-13 Eric Christopher <echristo@redhat.com>
9792 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9794 * config/s390/s390.md: Include tpf.md. Move tpf specific
9796 * config/s390/tpf.md: To here.
9797 * config/s390/s390.opt: Move tpf specific options...
9798 * config/s390/tpf.opt: to here. Add mmain option.
9799 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9800 * config/s390/tpf.h: Rewrite.
9802 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9804 * doc/tm.texi: Remove @xref{Cross-profiling}.
9806 2005-07-13 Jeff Law <law@redhat.com>
9808 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9809 expressions, test their _DECL operands for pointer equality rather
9810 than using operand_equal_p.
9812 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9814 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9815 (TARGET_POSIX_IO): This.
9816 * config/darwin.h: Likewise.
9817 * config/freebsd.h: Likewise.
9818 * config/linux.h: Likewise.
9819 * config/lynx.h: Likewise.
9820 * config/netbsd.h: Likewise.
9821 * config/rs6000/linux64.h: Likewise.
9822 * config/rs6000/linux.h: Likewise.
9823 * config/s390/tpf.h: Likewise.
9824 * config/sh/embed-elf.h: Likewise.
9825 * config/sparc/linux64.h: Likewise.
9826 * config/sparc/linux.h: Likewise.
9827 * config/svr4.h: Likewise.
9828 * gcov-io.h: Likewise.
9830 * doc/tm.texi: Updated.
9832 * libgcov.c (create_file_directory): Defined only if
9833 TARGET_POSIX_IO is defined.
9834 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9837 2005-07-13 Jan Hubicka <jh@suse.cz>
9839 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9841 2005-07-13 David Edelsohn <edelsohn@gnu.org>
9843 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9844 structure as argument.
9846 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
9848 PR tree-optimization/21921
9849 * tree-iterator.c (tsi_link_before): Support the case when
9850 tsi_end_p (tsi) == true.
9852 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9854 PR tree-optimization/22442
9855 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9858 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9860 PR rtl-optimization/20376
9861 * toplev.c (process_options): Enable -fweb and -frename-registers when
9863 * doc/invoke.texi: Update the information about when -fweb and
9864 -frename-registers are enabled.
9866 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9869 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9870 if *rhs_p is not a SSA_NAME.
9872 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
9874 Fix PR tree-optimization/22422
9875 * tree-ssa-structalias.c (struct variable_info): Add flag for
9877 (get_varinfo): Now a static function.
9878 (new_varinfo): init has_union and is_special_var to false.
9879 (solution_set_add): Check has_union.
9880 (do_da_constraint): Move temporary variable so it gets reset
9882 Also check for special variable.
9883 (do_ds_constraint): Ditto.
9884 (do_sd_constraint): Ditto.
9885 (do_structure_copy): Check for special variable.
9886 (find_func_aliases): Ditto.
9887 (init_base_vars): Set special vars properly.
9889 2005-07-13 Jan Hubicka <jh@suse.cz>
9891 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9894 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9895 (get_expr_operands): Fix thinko wrt flags and subvars.
9897 PR tree-optimize/22379
9898 * tree-inline.c (expand_call_inline): Do not output sorry in early
9901 2005-07-12 Dale Johannesen <dalej@apple.com>
9903 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
9905 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9908 * host-linux.h: Include limits.h.
9910 2005-07-12 Dale Johannesen <dalej@apple.com>
9912 * expr.c (compress_float_constant): Add cost check.
9913 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
9915 2005-07-12 Dale Johannesen <dalej@apple.com>
9917 * gcc.target/i386/compress-float-sse.c: New.
9918 * gcc.target/i386/compress-float-sse-pic.c: New.
9919 * gcc.target/i386/compress-float-387.c: New.
9920 * gcc.target/i386/compress-float-387-pic.c: New.
9921 * gcc.dg/compress-float-ppc.c: New.
9922 * gcc.dg/compress-float-ppc-pic.c: New.
9924 2005-07-12 Eric Christopher <echristo@redhat.com>
9926 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9928 * config/s390/s390.md: Include tpf.md. Move tpf specific
9930 * config/s390/tpf.md: To here.
9931 * config/s390/s390.opt: Move tpf specific options...
9932 * config/s390/tpf.opt: to here. Add mmain option.
9933 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9934 * config/s390/tpf.h: Rewrite.
9936 2005-07-12 Eric Christopher <echristo@redhat.com>
9938 * gcc.c (struct infile): Update comment for language.
9939 (main): Rewrite input file resetting code.
9941 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9944 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9945 requiring a cast in a non RHS of modify_expr. Add a cast when required.
9946 (lookup_avail_expr): Use constant_boolean_node instead
9947 of boolean_false_node/boolean_true_node.
9949 2005-07-12 Ben Elliston <bje@au.ibm.com>
9951 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9952 and use it when printing num_edges.
9954 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
9956 * doc/extend.texi (Blackfin Built-in Functions): New section.
9957 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9960 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
9962 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9963 s/cmpstrsi/cmpstrnsi
9964 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9966 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9967 (init_optabs): Initialize cmpstrn_optab.
9968 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9969 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9970 * expr.c: (enum insn_code cmpstrn_optab): Declare.
9971 * config/i386/i386.md: s/cmpstr/cmpstrn
9972 * config/c4x/c4x.md: s/cmpstr/cmpstrn
9973 * doc/md.texi: Update documentation.
9975 2005-07-11 Richard Henderson <rth@redhat.com>
9977 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9978 build_va_arg_indirect_ref.
9979 (alpha_gimplify_va_arg): Likewise.
9980 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9981 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9982 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9983 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9984 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9985 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9987 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9989 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9991 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9992 * passes.c (init_optimization_passes): Add pass_empty_loop.
9993 * tree-pass.h (pass_empty_loop): Declare.
9994 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9995 try_remove_empty_loop, remove_empty_loops): New functions.
9996 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9997 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9999 2005-07-12 Peter Barada <peter@the-baradas.com>
10001 PR middle-end/16719
10002 PR middle-end/18421
10003 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10004 in address registers.
10005 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10006 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10007 alternative of addsi3_5200.
10009 2005-07-11 Ian Lance Taylor <ian@airs.com>
10011 * config/mips/mips.md (ffs<mode>2): Remove.
10013 2005-07-11 Ian Lance Taylor <ian@airs.com>
10015 * doc/tree-ssa.texi (Cleanups): Improve description of
10017 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10019 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10021 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10022 * tree.h (DECL_ARGUMENT_FLD): New macro.
10024 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
10026 Fix PR tree-optimization/22404
10028 * tree-ssa-structalias.c (create_variable_info_for): Use
10031 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
10033 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10034 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10035 for second comparison operand.
10036 * config/bfin/predicates.md (reg_or_const_int_operand): New.
10038 * config/bfin/bfin.md (define_attr "type"): Add "sync".
10039 (define_insn_reservation "alu"): Likewise.
10040 (csync, ssync): Now of type sync.
10041 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10042 -mcsync-anomaly -mspecld-anomaly.
10043 * config/bfin/bfin.opt (mcsync): Remove.
10044 (mcsync-anomaly, mspecld-anomaly): Add.
10045 * config/bfin/bfin.c: Include "insn-codes.h".
10046 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10047 (TARGET_DEFAULT_TARGET_FLAGS): New.
10048 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10050 2005-07-11 Steven Bosscher <stevenb@suse.de>
10052 * basic-block.h: Give the BB flags enum a name, bb_flags.
10053 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10054 * cfgcleanup.c (enum bb_flags): Remove here.
10055 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10056 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10057 (update_forwarder_flag): Likewise.
10058 (thread_jump): Likewise.
10059 (try_forward_edges): Likewise.
10060 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
10061 forwarder flags. Don't clear bb->aux for all basic blocks. Only
10062 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10064 2005-07-11 Richard Guenther <rguenther@suse.de>
10066 * config/i386/i386.opt: New target option -msseregparm.
10067 * config/i386/i386.c (override_options): Error out for
10068 -msseregparm but no SSE support.
10069 (ix86_function_sseregparm): Check for global sseregparm.
10070 * doc/invoke.texi: Document -msseregparm.
10072 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10074 * config.gcc (m32r-*-linux*): Use the default extra_parts.
10075 (m32rle-*-linux*): Ditto.
10077 2005-07-11 Jakub Jelinek <jakub@redhat.com>
10079 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10080 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10083 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10085 PR middle-end/22239
10087 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10088 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10090 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10092 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10093 (varmap): Heapify varmap.
10094 (constraints): Heapify constraints.
10095 (struct constraint_graph): Heapify succs and preds.
10096 (constraint_vec_find): Update for heapification.
10097 (constraint_set_union): Ditto.
10098 (insert_into_complex): Ditto.
10099 (constraint_edge_vec_find): Ditto.
10100 (erase_graph_self_edge): Ditto.
10101 (add_graph_edge): Ditto.
10102 (get_graph_weights): Ditto.
10103 (merge_graph_nodes): Ditto.
10104 (build_constraint_graph): Ditto.
10105 (topo_visit): Ditto.
10106 (solve_graph): Ditto.
10107 (create_variable_info_for): Ditto.
10108 (init_base_vars): Ditto.
10109 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10110 (condese_varmap_nodes): Free complex vector.
10111 (clear_edges_for_node): Clear succs and preds vector.
10113 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10115 * tree-ssa-structalias.c (update_alias_info): Change counting of
10116 references to not include vdefs.
10118 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10120 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10121 (up_insert): Ditto.
10123 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10125 * pa.c (pa_commutative_p): Make PLUS commutative when
10126 TARGET_NO_SPACE_REGS is true.
10128 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10130 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10131 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10132 * tree-dfa.c (dump_subvars_for): New.
10133 (debug_subvars_for): New.
10134 (dump_variable): Show subvariables if VAR has them.
10135 * tree-flow-inline.h (get_subvar_at): New.
10136 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10137 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10139 (struct subvar): Change fields offset and size to unsigned
10141 (dump_subvars_for): Declare.
10142 (debug_subvars_for): Declare.
10143 (get_subvar_at): Declare.
10144 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10145 to unsigned HOST_WIDE_INT *.
10146 (overlap_subvar): Likewise.
10147 * tree-gimple.c (is_gimple_reg): Always return false for
10148 SFTs and memory tags.
10149 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10150 Update all callers.
10151 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10152 (compute_may_aliases): Call compute_points_to_sets.
10153 (collect_points_to_info_for): Remove.
10154 (compute_points_to_and_addr_escape): Remove.
10155 (delete_alias_info): Call delete_points_to_sets.
10156 (compute_flow_sensitive_aliasing): If the call to
10157 find_what_p_points_to returns false, call set_pt_anything.
10158 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10159 (set_pt_anything): Clear pi->pt_vars.
10160 (set_pt_malloc): Remove.
10161 (merge_pointed_to_info): Remove.
10162 (add_pointed_to_expr): Remove.
10163 (add_pointed_to_var): Remove.
10164 (collect_points_to_info_r): Remove.
10165 (is_escape_site): Make extern.
10167 (create_overlap_variables_for): Call it.
10168 * tree-ssa-copy.c (merge_alias_info): Never merge
10169 flow-sensitive alias information.
10170 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10171 offset and size to be unsigned HOST_WIDE_INT.
10172 (add_to_addressable_set): Rename from note_addressable.
10173 Set TREE_ADDRESSABLE as the variables are added to the set.
10175 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10176 operands into VUSEs when adding V_MAY_DEFs for members in an
10178 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10179 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10180 (struct variable_info): Add bitfield is_heap_var.
10181 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10182 (new_var_info): Initialize is_heap_var.
10183 (get_constraint_for): Add HEAP variables to the symbol table.
10184 Mark them with is_heap_var.
10185 (update_alias_info): New. Taken mostly from the old
10186 compute_points_to_and_addr_escape.
10187 (handle_ptr_arith): New.
10188 (find_func_aliases): Call update_alias_info.
10189 Call handle_ptr_info for tcc_binary expressions.
10190 Call mark_stmt_modified.
10191 (create_variable_info_for): If DECL has subvars, do not create
10192 variables for its subvars. Always add all the fields.
10193 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10194 SFTs, then add all the SFTs of the structure.
10195 If VI->DECL is an aggregate with subvariables, add the SFT at
10197 (find_what_p_points_to): If VI is an artificial variable,
10198 translate to bitfields in SSA_NAME_PTR_INFO.
10199 If the solution is empty, set pi->pt_vars to NULL
10200 (init_base_vars): Create ANYOFFSET.
10201 (compute_points_to_sets): Rename from create_alias_vars.
10203 (pass_build_pta): Remove.
10204 (delete_points_to_sets): Rename from delete_alias_vars.
10205 (pass_del_pta): Remove.
10206 * tree-ssa-structalias.h (struct alias_info): Move from
10208 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10209 NUM_REFERENCES_SET): Likewise.
10210 (compute_points_to_sets, delete_points_to_sets): Declare.
10212 2005-07-09 Richard Henderson <rth@redhat.com>
10214 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10215 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10216 alpha_split_lock_test_and_set_12): New functions.
10217 * config/alpha/alpha-protos.h: Update.
10218 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10219 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10220 * config/alpha/sync.md (I12MODE): New.
10221 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10222 (sync_<fetchop_name><I48MODE>): Likewise.
10223 (sync_nand<I48MODE>): Likewise.
10224 (sync_old_<fetchop_name><I48MODE>): Likewise.
10225 (sync_new_<fetchop_name><I48MODE>): Likewise.
10226 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10227 (sync_compare_and_swap<I48MODE>): Likewise.
10228 (sync_lock_test_and_set<I48MODE>): Likewise.
10229 (sync_compare_and_swap<I12MODE>): New.
10230 (sync_compare_and_swap<I12MODE>_1): New.
10231 (sync_lock_test_and_set<I12MODE>): New.
10232 (sync_lock_test_and_set<I12MODE>_1): New.
10234 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10238 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10240 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10242 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10243 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10245 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10248 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10250 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10252 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10253 memory_operand constraint.
10254 (store_conditional_<mode>): Same.
10255 (sync_compare_and_swap<mode>): Same.
10256 (sync_lock_test_and_set<mode>): Same.
10258 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10260 Rewrite PIC support to more closely model actual instructions.
10261 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10262 (cris_symbol): Remove prototypes for removed functions.
10263 (cris_pic_symbol_type_of, cris_valid_pic_const)
10264 (cris_expand_pic_call_address): Prototypes for new functions.
10265 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10267 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10269 <case ':'>: Add case for new punctuation character.
10270 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10271 emitting (extra) PIC modifier.
10272 <case UNSPEC>: Do not assert for PLT.
10273 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10274 (cris_expand_prologue, cris_expand_epilogue): Check
10275 for pic_offset_table_rtx usage instead of taking
10276 current_function_uses_pic_offset_table as the final word.
10277 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10278 Remove flag_pic difference.
10279 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10280 the moral equivalents of...
10281 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10283 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10284 (cris_handle_option): Mark ARG as unused.
10285 (cris_expand_pic_call_address): New worker function for "call",
10287 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10288 output PIC constructs here.
10289 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10290 as symbol-specific modifers, not whole or part of operands.
10291 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10292 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10293 constants and flag_pic.
10294 (CONSTANT_INDEX_P): Adjust for new functions.
10295 (enum cris_pic_symbol_type): New helper type.
10296 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10297 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10298 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10300 ("movsi"): Emit actual instructions for GOT and relative access.
10301 ("*movsi_got_load"): New pattern to set up the register holding
10303 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10304 Adjust FIXME for 'S'.
10305 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10306 Use "movs" for -fpic cases.
10307 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10308 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10309 ("call", "call_value"): Just call cris_expand_pic_call_address for
10311 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10312 Remove special pattern.
10313 ("*expanded_call_side", "*expanded_call_value_side"): New
10315 (gotplt-to-plt, gotplt-to-plt-side-call)
10316 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10318 * config/cris/cris/predicates.md
10319 ("cris_general_operand_or_gotless_symbol"): Remove unused
10321 ("cris_general_operand_or_symbol"): Adjust for new functions.
10323 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10325 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10327 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10329 * Makefile.in (TREE_H): Add treestruct.def.
10330 (c-decl.o): Add pointer-set.h
10331 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10332 visibility on regular DECL's.
10333 (merge_decls): Fix the copying of decl nodes of various types for
10334 the new structures. Don't update RTL, section name, weak status,
10335 etc, on DECL's without RTL.
10336 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10337 Don't check volatile on non-variable types.
10338 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10339 to check whether we have seen arguments.
10340 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10341 flag is checked before field (flag is common, field is not).
10342 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10343 TS_DECL_COMMON could have an origin.
10344 (add_location_or_const_value_attribute): Don't check section name
10345 on non-var/function decls.
10346 (dwarf2out_var_location): Reverse order of tests.
10347 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10348 with DECL_WRTL_CHECK.
10349 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10350 * fold-const.c (fold_binary): Don't check weakness on
10351 non-var/function decls.
10352 (tree_expr_nonzero_p): Ditto.
10353 (fold_checksum_tree): Use tree_decl_extra as sizeof
10355 * ggc-page.c (extra_order_size_table): Add sizes for
10356 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10358 * gimplify.c (gimplify_bind_expr): Only set
10359 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10360 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10362 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10363 * langhooks.h (init_ts). New langhook.
10364 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10365 * print-tree.c (print_node): Update to only print fields that
10366 exist in the structures the passed decl has.
10367 * toplev.c (wrapup_global_declarations): Don't reset
10368 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10369 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10370 * tree-inline.c (remap_decl): Ditto.
10371 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10372 * tree-pretty-print.c (print_declaration): Don't print
10373 DECL_REGISTER on things that don't contain it.
10374 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10375 non-var/function decls.
10376 * tree.c (tree_contains_struct): New structure.
10377 (init_priority_for_decl): New hashtable.
10378 (tree_int_map): New structure.
10379 (tree_int_map_eq): New function.
10380 (tree_int_map_marked_p): Ditto.
10381 (tree_int_map_hash): Ditto.
10382 (tree_map): Move to tree.h.
10383 (tree_map_eq): Externalize.
10384 (tree_map_hash): Ditto.
10385 (tree_map_marked_p): Ditto.
10386 (init_ttree): Set up tree_contains_struct and call langhook.
10387 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10388 (tree_code_size): Update for new structures.
10389 (tree_node_structure): Update for new structures.
10390 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10392 (copy_node_stat): Copy init priority.
10393 (build_decl_stat): Ditto for visibility.
10394 (ts_enum_names): New.
10395 (tree_contains_struct_check_failed): New function.
10396 (decl_init_priority_lookup): Ditto.
10397 (decl_init_priority_insert): Ditto.
10398 * treestruct.def: New file.
10399 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10400 (CONTAINS_STRUCT_CHECK): Ditto.
10401 (tree_contains_struct_check_failed): New prototype.
10402 (DECL_CHECK): Removed.
10403 (DECL_MINIMAL_CHECK): New.
10404 (DECL_COMMON_CHECK): Ditto.
10405 (DECL_WRTL_CHECK): Ditto.
10406 (DECL_NON_COMMON_CHECK): Ditto.
10407 (DECL_WITH_VIS_CHECK): Ditto.
10408 (VAR_OR_FUNCTION_DECL_P): Ditto
10409 (struct tree_decl_minimal): New structure.
10410 (struct tree_decl_common): Ditto.
10411 (struct tree_decl_with_rtl): Ditto.
10412 (struct tree_decl_with_vis): Ditto.
10413 (struct tree_decl_non_common): Ditto.
10414 (struct tree_field_decl): Ditto.
10415 (struct tree_parm_decl): Ditto.
10416 (struct tree_var_decl): Ditto.
10417 (struct tree_function_decl): Ditto.
10418 (struct tree_const_decl): Ditto.
10419 (struct tree_result_decl): Ditto.
10420 (union tree_node): Add new structures.
10421 * var-tracking.c (track_expr_p): Reverse order of tests.
10423 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10425 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10427 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10428 * system.h: Poison FINALIZE_PIC.
10429 * doc/tm.texi (FINALIZE_PIC): Remove.
10431 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10434 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10435 to the correct type if we have a MODIFY_EXPR.
10437 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10439 PR tree-optimization/22360
10440 * tree.c (upper_bound_in_type): Fix calculations for casting
10441 to a non-wider signed type and casting a signed value to a
10442 wider unsigned type.
10443 (lower_bound_in_type): Fix calculations for casting to a
10444 non-wider signed type.
10446 PR tree-optimization/20139
10447 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10449 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10450 fold_cond_expr_cond.
10451 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10452 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10454 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10457 * tree-complex.c (expand_complex_libcall): Produce
10458 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10460 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10462 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10463 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10464 b" assert and inserted fastpath code for this case.
10465 (bitmap_ior): Removed "a != b" assert.
10467 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10469 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10470 (ENDFILE_SPEC): Likewise.
10471 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10473 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10474 a large stack frame at epilogue.
10476 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10478 * final.c: Include sdbout.h when required.
10480 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10482 * config.gcc (*-*-darwin*): Only one target-specific header file
10483 for generic darwin.
10484 (powerpc-*-darwin*): Add version-specific header files.
10485 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10486 * config.in: Regenerate.
10487 * configure: Regenerate.
10488 * gcc.c: Include xregex.h.
10489 (version_compare_spec_function): New.
10490 (spec_function): Add version-compare.
10491 (replace_outfile_spec_function): Reformat comment.
10492 (compare_version_strings): New.
10493 * config/darwin-c.c (version_as_macro): New.
10494 (builtin_define): New.
10495 (darwin_cpp_builtins): New.
10496 * config/darwin-protos.h (darwin_cpp_builtins): New.
10497 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10498 (LIB_SPEC): Make unconditional, update comment.
10499 (TARGET_C99_FUNCTIONS): Define.
10500 * config/darwin.opt: Sort.
10501 (mmacosx-version-min=): New.
10502 * config/darwin7.h: Delete.
10503 * config/darwin8.h: Delete.
10504 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10505 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10506 (TARGET_C99_FUNCTIONS): Define.
10507 * config/rs6000/darwin7.h: New.
10508 * config/rs6000/darwin8.h: New.
10509 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10510 (-mmacosx-version-min): Document.
10512 2005-07-07 Ian Lance Taylor <ian@airs.com>
10514 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10516 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10518 PR middle-end/22239
10519 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10521 2005-07-07 Khem Raj <kraj@mvista.com>
10523 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10524 in bytes, not words.
10526 2005-07-07 Paul Brook <paul@codesourcery.com>
10528 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10529 DEFAULT_FUNCTION_ARG_PADDING to upward.
10531 2005-07-07 Richard Henderson <rth@redhat.com>
10533 * function.c (locate_and_pad_parm): Record parameter alignment in
10534 stack_alignment_needed.
10536 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10538 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10539 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10540 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10541 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10542 (define_attr "type"): Add isync, sync, load_l, store_c.
10543 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10544 Create scratch volatile MEM.
10545 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
10547 (load_locked_<mode>): New.
10548 (store_conditional_<mode>): New.
10549 (sync_compare_and_swap<mode>): Replace with splitter.
10550 (sync_lock_test_and_set<mode>): Replace with splitter.
10551 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10553 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
10554 is ics. Attribute isync.
10555 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
10557 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10558 and UNSPECV_SYNC_OP.
10559 (emit_unlikely_jump): New.
10560 (emit_load_locked): New.
10561 (emit_store_conditional): New.
10562 (rs6000_split_compare_and_swap): New.
10563 (rs6000_split_lock_test_and_set): New.
10564 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10565 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10566 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10567 rs6000_split_lock_test_and_set): Declare.
10568 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10569 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10570 store_c, isync, sync.
10572 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
10574 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10575 filenames to gtyp-gen.h.
10576 (s-typ-gen): Use it in place of for loops.
10578 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
10580 * hooks.c (hook_bool_rtx_int_false): New function.
10581 * hooks.h (hook_bool_rtx_int_false): Declare.
10582 * target-def.h (TARGET_COMMUTATIVE_P): Define.
10583 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10584 * target.h (struct gcc_target): Add commutative_p member.
10585 * targhooks.c (hook_bool_rtx_commutative_p): New function.
10586 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10587 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10588 (pa_commutative_p): New function.
10589 * jump.c (target.h): Include.
10590 (rtx_renumbered_equal_p): Use targetm.commutative_p.
10591 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10593 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10595 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10596 (s390_expand_setmem): New.
10597 * config/s390/s390.c: Likewise.
10598 (print_shift_count_operand): Truncate to 12 bits instead of 6.
10600 * config/s390/s390.md: ("setmem<mode>"): Accept character as
10601 general_operand. Call new function "s390_expand_setmem".
10602 ("clrmem_long", "*clrmem_long"): Rewrite to ...
10603 ("setmem_long", "*setmem_long"): ... this.
10605 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10607 * config/s390/s390.c: (optimization_options): Enable
10608 TARGET_MVCLE at -Os.
10609 * doc/invoke.texi: Document changes in default behaviour.
10610 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10612 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10614 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10615 defined by back-end.
10617 2005-07-07 Jakub Jelinek <jakub@redhat.com>
10619 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10620 all sets in the pattern.
10621 * config/rs6000/rs6000.md (stack_protect_testsi,
10622 stack_protect_testdi): Likewise.
10624 2005-07-06 Jeff Law <law@redhat.com>
10626 * tree-vrp.c (simplify_using_ranges): Kill.
10627 (vrp_finalize): Remove call to simplify_using_ranges.
10628 (simplify_stmt_using_ranges): New function extracted from
10629 simplify_using_ranges.
10630 (simplify_div_or_mod_using_ranges): Likewise.
10631 (simplify_abs_using_ranges): Likewise.
10632 (simplify_cond_using_ranges): New function.
10633 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10634 * tree-ssa-propagate.c (substitute_and_fold): Call
10635 simplify_stmt_using_ranges if we have range information.
10637 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10639 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10640 ia64_flag_schedule_isns2.
10642 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10643 reading/writing general registers.
10644 (ia64_function_arg): Revert 2005-06-18 change.
10646 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
10648 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10649 (legitimize_tls_address): Use gcc_unreachable instead of abort.
10651 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
10653 * function.c (expand_function_end): Revert part of 2005-06-27
10654 patch. Do sjlj_emit_function_exit_after after return_label.
10656 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10658 * doc/install.texi (--disable-libssp): New.
10660 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
10662 * doc/invoke.texi: Update -fforce-mem documentation.
10663 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10664 code for -fforce-mem.
10665 * expmed.c: (store_bit_field,store_fixed_bit_field,
10666 extract_bit_field): Ditto.
10667 * expr.c: (convert_move): Ditto.
10668 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10669 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10670 emit_conditional_add,expand_float,expand_fix): Ditto.
10671 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10672 (common_handle_option): Issue warning when -fforce-mem specified.
10674 2005-07-06 Paul Brook <paul@codesourcery.com>
10676 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10678 * configure: Regenerate.
10680 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
10682 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10684 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
10686 Fix PR tree-optimization/22319
10687 Fix PR tree-optimization/22140
10688 Fix PR tree-optimization/22310
10690 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10691 variable sized types.
10692 Use correct type for intermediate structure on *a = *b structure
10695 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10697 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10699 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10700 (machine_function): Move typedef to...
10701 * config/rs6000/rs6000.c (machine_function): ... here. Add
10702 varargs_save_offset field.
10703 (rs6000_stack_t): Remove varargs_size field.
10704 (setup_incoming_varargs): Allocate varargs save area using
10705 assign_stack_local, try to make it as small as possible.
10706 Save offset from virtual_stack_vars_rtx to the save area
10707 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
10708 instead of magic 8 when fp word byte size is used.
10709 (rs6000_va_start): Use cfun->machine->varargs_save_offset
10710 instead of -RS6000_VARARGS_SIZE.
10711 (rs6000_stack_info, debug_stack_info,
10712 rs6000_initial_elimination_offset): Remove all traces of
10714 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10715 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10716 RS6000_VARARGS_AREA.
10718 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10720 PR tree-optimization/21963
10721 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10722 constant_multiple_of in the same way get_computation_cost_at does.
10724 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10726 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10727 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10728 (gen_compare_reg): If sparc_compare_emitted is set, clear it
10729 and return its previous value.
10730 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10731 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10733 (stack_protect_set, stack_protect_test): New expanders.
10734 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10735 stack_protect_testdi): New insns.
10736 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10737 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10739 2005-07-06 Jeff Law <law@redhat.com>
10741 * tree-ssa-dce.c (cfg_altered): New global.
10742 (tree_dce_init): Initialize cfg_altered.
10743 (remove_dead_stmt): If we remove an edge in the CFG, then set
10745 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10748 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10750 * Makefile.in (stamp-collect-ld): Use
10751 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
10752 ./collect-ld if it already exists.
10753 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10754 Don't remove ./nm if it already exists.
10756 2005-07-05 Devang Patel <dpatel@apple.com>
10758 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10759 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10760 * tree-vectorizer.c (vect_loop_location): New.
10761 (vect_print_dump_info): Use vect_loop_location.
10762 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10763 (vectorize_loops): Set vect_loop_location.
10764 * tree-vect-analyze.c (vect_analyze_offset_expr,
10765 vect_determin_vectorization_factor, vect_analyze_operations,
10766 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10767 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10768 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10769 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10770 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10771 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10772 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10773 vect_analyze_loop): Adjust vect_print_dump_info API.
10774 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10775 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10776 vect_finish_stmt_generation, vectorizable_assignment,
10777 vectorizable_operation, vectorizable_store, vectorizable_load,
10778 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10779 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10780 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10781 vect_transform_loop): Same.
10782 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10783 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10786 2005-07-05 Randolph Chung <tausq@debian.org>
10788 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10789 * configure: Regenerate.
10790 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10791 (pa_tls_referenced_p): Declare.
10792 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10793 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10794 (legitimize_tls_address): New.
10795 (hppa_legitimize_address): Handle TLS addresses.
10796 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10797 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10798 (emit_move_sequence): Handle TLS addresses.
10799 (pa_encode_section_info): Call default handler to handle common
10801 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10802 (CONSTANT_ADDRESS_P): Reject TLS operands.
10803 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10804 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10805 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10806 (UNSPEC_TLSLE): Define new constants.
10807 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10808 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10809 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10810 (tie_symbolic_operand, tle_symbolic_operand): New
10812 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
10814 * aclocal.m4: Update macros for autoconf 2.59 style.
10815 * configure.ac: Likewise.
10817 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10819 * pa.c (function_value): Handle small aggregates on 32-bit targets.
10820 (function_arg): Pass small aggregates in general registers on 32-bit
10822 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10824 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
10826 * Makefile.in (final.o): Fix dependencies.
10828 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10832 * langhooks.h (struct lang_hooks): Add expr_to_decl.
10833 * langhooks.c (lhd_expr_to_decl): New.
10834 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10836 (LANG_HOOKS_INITIALIZER): Update.
10837 * tree.c (recompute_tree_invarant_for_addr_expr): Call
10838 expr_to_decl langhook.
10839 * c-tree.h (c_expr_to_decl): Declare.
10840 * c-typeck.c (c_expr_to_decl): New.
10841 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10843 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10845 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10848 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10849 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10851 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
10853 * Makefile.in: Adjust dependencies.
10854 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10855 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10856 * alias.c (rest_of_handle_cfg, pass_cfg): New.
10857 * bb-reorder.c (duplicate_computed_gotos): Make it static.
10858 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10859 rest_of_compilation.
10861 * bb-reorder.c (gate_duplicate_computed_gotos,
10862 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10863 rest_of_handle_reorder_blocks, pass_reorder_blocks,
10864 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10865 pass_partition_blocks): New.
10866 * bt-load.c (gate_handle_branch_target_load_optimize,
10867 rest_of_handle_branch_target_load_optimize,
10868 pass_branch_target_load_optimize): New.
10869 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10871 * cfglayout.c (pass_insn_locators_initialize): New.
10872 * cfgrtl.c (pass_free_cfg): New.
10873 * combine.c (gate_handle_combine, rest_of_handle_combine,
10874 pass_combine): New.
10875 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10876 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10877 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10878 * except.c (pass_set_nothrow_function_flags,
10879 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10881 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10882 rest_of_handle_shorten_branches, pass_shorten_branches,
10883 rest_of_clean_state, pass_clean_state): New.
10884 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10885 rest_of_handle_remove_death_notes, pass_remove_death_notes,
10886 rest_of_handle_life, pass_life, rest_of_handle_flow2,
10888 * function.c (pass_instantiate_virtual_regs, pass_init_function,
10889 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10890 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10891 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10893 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10894 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10895 pass_rtl_ifcvt, gate_handle_if_after_combine,
10896 rest_of_handle_if_after_combine, pass_if_after_combine,
10897 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10898 pass_if_after_reload): New.
10899 * integrate.c (pass_initial_value_sets): New.
10900 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10901 pass_purge_lineno_notes): New.
10902 * mode-switching.c (rest_of_handle_mode_switching,
10903 pass_mode_switching): New.
10904 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10905 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10907 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10908 pass_loop_optimize): New.
10909 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10911 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10913 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10914 pass_postreload_cse): New.
10915 * profile.c (gate_handle_profiling, pass_profiling,
10916 rest_of_handle_branch_prob, pass_branch_prob): New.
10917 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10918 pass_split_before_regstack, gate_handle_split_before_regstack,
10919 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10920 rest_of_handle_split_all_insns, pass_split_all_insns): New.
10921 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10922 pass_stack_regs): New.
10923 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10924 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10925 pass_stack_adjustments): New.
10926 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10927 pass_regrename): New.
10928 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10929 pass_delay_slots, gate_handle_machine_reorg,
10930 rest_of_handle_machine_reorg, pass_machine_reorg): New.
10931 * rtl.h (extern void purge_line_number_notes): New.
10932 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10933 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10935 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10937 * value-prof.c (gate_handle_value_profile_transformations,
10938 rest_of_handle_value_profile_transformations,
10939 pass_value_profile_transformations): New.
10940 * var-tracking.c (gate_handle_var_tracking,
10941 pass_variable_tracking): New.
10942 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10944 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10945 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10946 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10947 rest_of_handle_old_regalloc, rest_of_handle_regrename,
10948 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10949 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10950 rest_of_handle_gcse2, rest_of_handle_regmove,
10951 rest_of_handle_tracer, rest_of_handle_if_conversion,
10952 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10953 rest_of_handle_web, rest_of_handle_branch_prob,
10954 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10955 rest_of_handle_jump_bypass, rest_of_handle_combine,
10956 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10957 rest_of_handle_gcse, rest_of_handle_loop_optimize,
10958 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10959 rest_of_handle_mode_switching, rest_of_handle_jump,
10960 rest_of_handle_eh, rest_of_handle_stack_adjustments,
10961 rest_of_handle_flow2, rest_of_handle_jump2,
10962 rest_of_handle_peephole2, rest_of_handle_postreload,
10963 rest_of_handle_shorten_branches, rest_of_clean_state,
10964 rest_of_compilation): Remove.
10966 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10967 * passes.c (dump_flags, in_gimple_form, all_passes,
10968 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10969 register_dump_files, next_pass_1, last_verified, execute_todo,
10970 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10971 from tree-optimize.c.
10972 (init_optimization_passes): Moved from tree-optimize.c,
10973 adding the RTL optimizations.
10974 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10975 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10976 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10977 register_dump_files, next_pass_1, last_verified, execute_todo,
10978 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10979 init_tree_optimization_passes, ipa_passes): Delete.
10980 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10982 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10983 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10985 (ipa_passes): Remove.
10986 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10987 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10988 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10989 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10990 (dump_info_p, dump_flag): Moved to tree-dump.h.
10992 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10994 * passes.c (finish_optimization_passes): Use dump_begin
10995 and dump_end, TDI_end.
10996 (gate_rest_of_compilation): New.
10997 (pass_rest_of_compilation): Use it.
10998 (gate_postreload, pass_postreload): New.
10999 * toplev.c (general_init): Rename init_tree_optimization_passes.
11000 * toplev.h (init_tree_optimization_passes): Rename to
11001 init_optimizations_passes.
11002 * tree-dump.c (dump_flag): Make static.
11003 (dump_files): Remove RTL dumps.
11004 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11005 pass_cleanup_cfg, pass_free_cfg_annotations,
11006 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11007 pass_init_datastructures, pass_fixup_cfg): Make non-static.
11008 * tree-pretty-print.c: Include tree-pass.h.
11009 * cgraph.c: Include tree-dump.h.
11011 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11013 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11014 Only fall back to saying it points to readonly memory if
11015 we can't do better.
11017 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11019 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11020 * config/m32r/m32r.c (m32r_compute_frame_size,
11021 m32r_expand_prologue): Take current_function_profile into
11022 account whenever we reference
11023 current_function_uses_pic_offset_table.
11024 (m32r_finalize_pic): Remove.
11025 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11027 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
11029 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11030 instead of $<. Don't remove ./as if it already exists.
11032 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11035 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11036 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11037 for complex modes when generating code for PA 1.0.
11038 (VALID_FP_MODE_P): New macro.
11039 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11040 sets for all general and floating point modes. Align wide floating
11041 point modes to even register boundaries to comply with architectural
11043 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11044 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11045 (VALID_FP_MODE_P): New macro.
11046 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
11047 sets for all general and floating point modes. Align wide floating
11048 point modes to even register boundaries to comply with architectural
11051 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11053 * tree-dump.c (dump_files): Initialize dump number for .cgraph
11056 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11058 * tree-ssa-structalias.c: Don't include expr.h.
11060 2005-07-04 Diego Novillo <dnovillo@redhat.com>
11062 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11065 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
11067 Fix PR tree-optimization/22279
11069 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11072 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
11074 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11076 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11078 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11079 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11080 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11081 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11082 config/stormy16/stormy16.c, config/v850/v850.c,
11083 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11084 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11085 Avoid "." or "\n" at end of diagnostics and capital letters at
11086 start of diagnostics.
11087 * combine.c, cse.c: Don't translate dump file output.
11088 * toplev.c (print_version): Only translate output if going to
11091 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11093 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11094 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11097 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11099 * pa.c (fix_range): Fix typo in comment.
11101 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11103 * tree-vrp.c (extract_range_from_assert): Replace
11104 fold (build (...)) with fold_build2.
11106 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11108 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11109 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11110 (format_types_orig, handle_format_attribute): Add support for
11113 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11115 * varasm.c (assemble_variable): Fix format specifier thinko.
11117 2005-07-03 Ira Rosen <irar@il.ibm.com>
11119 PR tree-optimization/22029 (and 22135)
11120 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11121 a phi node before calling dump_vops.
11123 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11125 * tree-dump.h (dump_string_field): Declare.
11126 * tree-dump.c: Use it instead of dump_string.
11127 (dump_string_field): Make non-static.
11129 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11131 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11132 up the minimal CFG stuff always when optimize > 0. Call
11133 split_all_insns_noflow in PIC case if needed.
11135 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11136 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11139 * c-decl.c (c_write_global_declarations): Dump contents of
11141 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11142 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11143 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11144 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11147 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11149 * c-common.h (GCC_DIAG_STYLE): Define.
11150 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11151 version for format checking to 4.1.
11152 * c-format.c: Include toplev.h after c-common.h.
11153 (enum format_type): Add gcc_tdiag_format_type.
11154 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11155 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11156 (format_types_orig): Add gcc_tdiag.
11157 (init_dynamic_diag_info): Support gcc_tdiag formats.
11158 (handle_format_attribute): Likewise.
11159 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11160 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11161 version for format checking to 4.1.
11162 (warning0, warning, error, pedwarn, sorry): Use
11163 ATTRIBUTE_GCC_DIAG.
11164 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11165 (finish_aliases_1): Do not use %qE.
11166 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11167 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11168 Correct format bugs.
11169 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11170 parameter to unsigned HOST_WIDE_INT.
11171 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11173 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11175 PR middle-end/21742
11176 * expr.c (write_complex_part): Use adjust_address for MEM.
11177 (read_complex_part): Same.
11179 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11181 Fix PR tree-optimization/22280
11183 * tree-sra.c (generate_element_init): Remove useless loop.
11185 2005-07-02 Richard Henderson <rth@redhat.com>
11187 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11189 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11191 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11193 PR middle-end/14490
11194 * fold-const.c (fold_binary): Handle the return value of
11195 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11196 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11198 2005-07-02 Jeff Law <law@redhat.com>
11200 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11201 a eliminate type conversion which feeds an equality comparison
11202 if the original type or either operand in the comparison is a
11205 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11207 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11208 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11210 * config/avr/avr.c: Do not use '`' as left quote.
11211 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11212 Remove "." from end of diagnostics. Make diagnostics start with
11215 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11216 Joseph S. Myers <joseph@codesourcery.com>
11218 * toplev.c (default_tree_printer): Handle setting location with
11220 * c-objc.common.c (c_tree_printer): Likewise.
11221 * c-format.c (gcc_diag_flag_specs): Add '+'.
11222 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11223 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11225 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11226 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11227 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11228 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11229 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11230 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11231 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11232 format arguments where %J is used without %D.
11234 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11236 * gcc.c (LINK_SSP_SPEC): Define.
11237 (link_ssp_spec): New variable.
11238 (LINK_COMMAND_SPEC): Add %(link_ssp).
11239 (static_specs): Add link_ssp_spec.
11240 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11241 * configure: Rebuilt.
11242 * config.in: Rebuilt.
11244 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11245 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11246 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11247 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11248 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11249 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11250 -0x7008(2) instead of reading __stack_chk_guard variable.
11251 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11253 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11254 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11255 if TARGET_THREAD_SSP_OFFSET is defined.
11256 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11257 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11260 2005-06-27 Richard Henderson <rth@redhat.com>
11261 * libgcc-std.ver (GCC_4.1.0): New.
11262 * libgcc.h (__stack_chk_guard): Declare.
11263 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11264 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11265 * mklibgcc.in (lib2funcs): Add them.
11267 2005-07-01 Richard Henderson <rth@redhat.com>
11269 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11270 void * before struct sigcontext *.
11271 (x86_fallback_frame_state): Likewise.
11273 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11275 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11277 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11280 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11281 we check for SSA_NAME for.
11283 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11285 Fix PR tree-optimization/22071
11287 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11289 (get_constraint_for_component_ref): Use it.
11291 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11294 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11295 print out the last new line.
11297 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11299 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11300 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11301 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11302 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11303 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11304 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11305 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11306 (enum reg_class): New member CC0_REGS.
11307 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11308 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11309 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11310 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11311 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11312 Adjust for register now described.
11314 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11317 * config/i386/i386.md (stack_protect_test_si,
11318 stack_protect_test_di): Add earlyclobber for scratch 3.
11319 * config/rs6000/rs6000.md (stack_protect_testsi,
11320 stack_protect_testdi): Add earlyclobber for scratch 3,
11321 remove earlyclobber from scratch 4.
11323 Older entries for 2005 can be found in ChangeLog-2005.