1 2005-12-08 Daniel Jacobowitz <dan@codesourcery.com>
2 Andreas Tobler <a.tobler@schweiz.ch>
4 * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
7 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
9 * expr.c (force_operand): Use convert_to_mode for conversions.
11 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
13 * reload.h (reg_equiv_invariant): Declare.
14 * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
15 register also when reg_equiv_invariant[R] is set.
17 2005-12-07 Richard Sandiford <richard@codesourcery.com>
18 Andreas Tobler <a.tobler@schweiz.ch>
20 * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
22 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
24 * tree-ssa-pre.c (bitmap_set_and): New function.
25 (bitmap_set_and_compl): New function.
26 (bitmap_set_empty_p): New function.
27 (insert_extra_phis): New function.
28 (compute_avail): Use insert_extra_phis.
30 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
32 * config/s390/s390.c (s390_expand_atomic): New function.
33 Adjust comment of helper functions.
34 * config/s390/s390-protos.h (s390_expand_atomic): Declare.
35 * config/s390/s390.md ("ATOMIC"): New code macro.
36 ("atomic"): Corresponding new code attribute.
37 ("sync_lock_test_and_set[hq]i",
38 "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
40 2005-12-07 Adrian Straetling <straetling@de.ibm.com>
42 * config/s390/s390.c (s390_expand_mask_and_shift,
43 struct alignment_context, init_alignment_context,
44 s390_expand_cs_hqi): New.
45 * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
46 * config/s390/s390.md ("sync_compare_and_swaphi",
47 "sync_compare_and_swapqi"): New pattern.
49 2005-12-07 Daniel Berlin <dberlin@dberlin.org>
51 Fix PR tree-optimization/25291
52 * tree-ssa-operands.c (add_call_clobber_ops): Remove
53 redundant and crashing check.
55 2005-12-08 Alan Modra <amodra@bigpond.net.au>
58 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
59 tests further when !strict && reload_in_progress.
60 (print_operand): Check that both operands of indexed address are regs.
61 (print_operand_address): Likewise.
62 * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
63 (INT_REG_OK_FOR_BASE_P): Correct.
65 2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
67 Preparation for PR rtl-optimization/20070 / part1
68 * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
69 * cfgcleanup.c (condjump_equiv_p): New function, broken out of
71 (outgoing_edges_match): Use condjump_equiv_p.
72 (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
74 * struct-equiv.c: New file.
75 (death_notes_match_p) New function, broken out of insns_match_p.
76 * Makefile.in (OBJS-common): Add struct-equiv.o.
77 (struct-equiv.o): New target.
79 2005-12-07 Richard Sandiford <richard@codesourcery.com>
81 * coretypes.h: Revert previous change.
82 * config/darwin.h: Revert previous reversion.
83 * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
85 2005-12-07 Richard Sandiford <richard@codesourcery.com>
87 * coretypes.h (section): Provide dummy definition for target files.
88 * config/darwin.h: Revert previous change.
90 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
92 * doc/sourcebuild.texi (all.build, install-normal): Remove.
93 * configure.ac: Remove all.build and install-normal from target_list
94 * configure: Regenerate.
95 * Makefile.in (install): Don't depend on install-normal.
97 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
99 * Makefile.in: Document the use of stamps.
101 2005-12-07 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
103 * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
104 * Makefile.in: Add code to compute some dependencies on s-gtype
105 automatically. Remove the declaration of those dependencies.
107 2005-12-07 Richard Sandiford <richard@codesourcery.com>
109 * gcc/reload.c (push_secondary_reload): Fix typo:
110 s/insn_constraint/scratch_constraint/.
112 2005-12-07 Richard Sandiford <richard@codesourcery.com>
114 * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
116 2005-12-07 Richard Sandiford <richard@codesourcery.com>
118 * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
119 (alpha_elf_select_rtx_section): Return the selected section rather
120 than emitting assembly code.
121 (alpha_write_linkage): Emit a ".link" directive directly and then
122 set in_section to NULL.
123 (vms_asm_out_constructor): Use switch_to_section.
124 (vms_asm_out_destructor): Likewise.
125 (unicosmk_output_common): Set in_section to NULL instead of calling
126 the dummy common_section function.
127 (unicosmk_text_section): Delete in favor of...
128 (unicosmk_output_text_section_asm_op): ...this new function.
129 (unicosmk_data_section): Delete in favor of...
130 (unicosmk_output_data_section_asm_op): ...this new function.
131 (unicosmk_init_sections): New function.
132 (unicosmk_output_deferred_case_vectors): Use switch_to_section.
133 (unicosmk_output_ssib): Set in_section to NULL instead of calling
134 the dummy ssib_section function.
135 (unicosmk_section_buf): Delete.
136 * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
137 (unicosmk_data_section): Delete.
138 * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
139 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
140 (SECTION_FUNCTION_TEMPLATE): Delete.
141 * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
142 (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
143 (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
144 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
145 (TARGET_ASM_INIT_SECTIONS): Define.
146 * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
147 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
148 (link_section, literals_section): Delete.
149 (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
150 set in_section to NULL.
152 * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
153 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
154 (COMMON_SECTION): Delete.
155 (TARGET_ASM_INIT_SECTIONS): Define.
156 (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
157 the dummy common_section function.
158 * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
159 * config/arm/arm.c (get_jump_table_size): Use pointer comparison
160 between readonly_data_section and text_section to check whether
161 read-only data is being put in the text section.
162 (arm_output_function_epilogue): Use switch_to_section.
163 (arm_elf_asm_constructor): Likewise.
164 (thumb_call_via_reg): Replace call to in_text_section with
165 a comparison between in_section and text_section.
166 (arm_file_end): Use switch_to_section.
167 (aof_text_section): Delete in favor of...
168 (aof_output_text_section_asm_op): ...this new function.
169 (aof_data_section): Delete in favor of...
170 (aof_output_data_section_asm_op): ...this new function.
171 (aof_asm_init_sections): New function.
172 (zero_init_section): Moved from config/arm/aof.h.
173 (aof_dump_imports, aof_file_start): Use switch_to_section.
174 * config/arm/arm.h (thumb_call_via_label): Update comment.
175 * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
176 (common_section): Delete.
177 * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
178 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
179 global switch_to_section function instead of the old port-local one.
180 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
181 (SWITCH_TO_SECTION_FUNCTION): Delete.
182 (drectve_section): Redefine as a macro.
183 * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
184 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
187 * config/avr/avr.c (progmem_section): New variable.
188 (avr_output_progmem_section_asm_op): New function.
189 (avr_asm_init_sections): New function.
190 (avr_output_addr_vec_elt): Use switch_to_section.
191 * config/avr/avr.h (progmem_section): Declare.
192 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
193 (READONLY_DATA_SECTION): Delete.
194 (TARGET_ASM_INIT_SECTIONS): Define.
195 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
196 * config/avr/avr-protos.h (progmem_section): Delete.
198 * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
200 * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
201 (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
203 * config/darwin-sections.def: New file.
204 * config/darwin.c: Define all sections in darwin-sections.def.
205 (output_objc_section_asm_op, darwin_init_sections): New functions.
206 (machopic_output_indirection): Use switch_to_section.
207 (machopic_select_section): Return the selected section rather than
208 emitting assembly code. Replace the static function table with
209 inline conditional expressions. Update the tests of last_text_section
210 and move them into the FUNCTION_DECL block.
211 (machopic_select_rtx_section): Return the selected section rather than
212 emitting assembly code.
213 (machopic_asm_out_constructor, machopic_asm_out_destructor)
214 (darwin_file_end): Use switch_to_section.
215 * config/darwin.h: Use darwin-sections.def to declare sections.
216 (INIT_SECTION_ASM_OP): Remove empty definition.
217 (HAS_INIT_SECTION): Define this instead.
218 (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
219 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
220 (TARGET_ASM_EH_FRAME_SECTION): Delete.
221 (TARGET_ASM_INIT_SECTIONS): Define.
222 * config/darwin-protos.h (darwin_init_sections): Declare.
223 (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
224 (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
225 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
226 (constructor_section, destructor_section, mod_init_section): Delete.
227 (mod_term_section): Delete.
228 (darwin_exception_section, darwin_eh_frame_section): Delete.
229 (machopic_select_section): Return a section.
230 (machopic_select_rtx_section): Likewise.
231 (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
232 (const_section, const_coal_section, const_data_section): Delete.
233 (const_data_coal_section, data_coal_section, cstring_section): Delete.
234 (literal4_section, literal8_section, constructor_section): Delete.
235 (mod_init_section, mod_term_section, destructor_section): Delete.
236 (objc_class_section, objc_meta_class_section, objc_category_section)
237 (objc_class_vars_section, objc_instance_vars_section): Delete.
238 (objc_cls_meth_section, objc_inst_meth_section): Delete.
239 (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
240 (objc_selector_refs_section, objc_selector_fixup_section): Delete.
241 (objc_symbols_section, objc_module_info_section): Delete.
242 (objc_image_info_section, objc_protocol_section): Delete.
243 (objc_string_object_section, objc_constant_string_object_section)
244 (objc_class_names_section, objc_meth_var_names_section): Delete.
245 (objc_meth_var_types_section, objc_cls_refs_section): Delete.
246 (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
247 (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
248 (darwin_exception_section, darwin_eh_frame_section): Delete.
249 * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
251 * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
252 (frv_asm_out_destructor): Likewise.
253 * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
254 (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
255 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
257 (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
258 * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
259 (data_section): Delete.
261 * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
262 (DRECTVE_SECTION_FUNCTION): Delete.
263 (drectve_section): Redefine as a macro that sets in_section after
264 emitting the directive.
265 (SWITCH_TO_SECTION_FUNCTION): Delete.
266 * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
267 in_text_section with comparison between in_section and text_section.
268 * config/i386/i386.c (x86_64_elf_select_section): Return the section
269 rather than emitting assembly code. Use get_named_section.
270 (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
272 (machopic_output_stub): Use switch_to_section.
273 * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
274 (nwld_named_section_asm_out_destructor): Use get_section and
277 * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
278 rather than emitting assembly code.
279 (ia64_rwreloc_select_section): Likewise.
280 (ia64_rwreloc_select_rtx_section): Likewise.
281 * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
282 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
284 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
285 (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
287 * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
288 section rather than emitting assembly code.
289 (iq2000_select_section): Likewise.
290 * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
291 (sbss_section): Delete.
293 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
294 and get_named_section.
295 * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
297 * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
298 (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
299 (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
300 (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
302 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
303 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
304 global switch_to_section function instead of the old port-local one.
305 * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
306 (SWITCH_SECTION_FUNCTION): Delete.
307 * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
308 (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
309 (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
310 (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
312 (ASM_DECLARE_OBJECT_NAME): Update the type of save_section. Use the
313 global switch_to_section function instead of the old port-local one.
314 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
316 * config/mips/mips.c (mips_file_start): Update comment.
317 (mips_output_aligned_bss): Use switch_to_section and get_named_section.
318 (mips_output_aligned_decl_common): Use switch_to_section.
319 (mips_select_rtx_section): Return the section rather than emitting
320 assembly code. Use get_named_section.
321 (mips_function_rodata_section: Likewise get_section.
322 (build_mips16_function_stub): Use switch_to_section.
323 * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
324 (SDATA_SECTION_ASM_OP): Delete.
325 * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
326 (EXTRA_SECTION_FUNCTIONS): Delete.
328 * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
329 (mmix_asm_output_aligned_local): Use switch_to_section.
331 * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
332 (som_one_only_readonly_data_section): New variables.
333 (pa_output_function_epilogue): Set in_section to NULL instead of
334 calling forget_section.
335 (output_deferred_plabels): Use select_section.
336 (pa_asm_output_mi_thunk): Likewise. Set in_section to NULL instead
337 of calling forget_section.
338 (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
339 (pa_asm_output_aligned_local): Use select_section.
340 (som_text_section_asm_op): Delete in favor of...
341 (som_output_text_section_asm_op): ...this new function.
342 (pa_som_asm_init_sections): New function.
343 (pa_select_section): Return the section rather than emitting
345 * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
346 (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
347 (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
348 (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
349 * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
350 (som_readonly_data_section, som_one_only_readonly_data_section)
351 (som_one_only_data_section, forget_section): Delete.
352 * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
353 (TARGET_ASM_INIT_SECTIONS): Define.
354 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
356 * config/rs6000/rs6000.c (read_only_data_section): New variable.
357 (private_data_section, read_only_private_data_section): New variables.
358 (sdata2_section, toc_section): New variables.
359 (rs6000_file_start): Use switch_to_section.
360 (rs6000_assemble_integer): Use comparisons against in_section
361 instead of calling in_toc_section and in_text_section. Use
362 unlikely_text_section_p.
363 (rs6000_elf_output_toc_section_asm_op): New function, derived
364 from the old rs6000/sysv4.h toc_section function.
365 (rs6000_elf_asm_init_sections): New function.
366 (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
367 the section rather than emitting assembly code.
368 (machopic_output_stub): Use switch_to_section.
369 (toc_section): Delete dummy function.
370 (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
371 switch_to_section and get_section.
372 (rs6000_xcoff_output_readonly_section_asm_op): New function.
373 (rs6000_xcoff_output_readwrite_section_asm_op): New function.
374 (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
375 the old rs6000/xcoff.h toc_section function.
376 (rs6000_xcoff_asm_init_sections): New function.
377 (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
378 the section rather than emitting assembly code.
379 (rs6000_xcoff_file_start): Use switch_to_section.
380 (rs6000_xcoff_file_end): Likewise.
381 * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
382 (sdata2_section, sbss_section, private_data_section): Delete.
383 (read_only_data_section, read_only_private_data_section): Delete.
384 * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
385 (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
386 (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
387 (FINI_SECTION_FUNCTION): Delete.
388 (TARGET_ASM_INIT_SECTIONS): Define.
389 (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
390 * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
391 (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
392 (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
393 (READONLY_DATA_SECTION): Delete.
394 (TARGET_ASM_INIT_SECTIONS): Define.
395 (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section. Set in_section
396 to NULL rather than no_section.
397 (TARGET_ASM_EXCEPTION_SECTION): Delete.
399 * config/sh/sh.c (sh_file_start): Use switch_to_section.
401 * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
402 (sparc_output_deferred_case_vectors): Likewise. Remove argument
403 from call to current_function_section.
405 * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
406 (bss100_section): New variable.
407 (xstormy16_asm_output_aligned_common): Use switch_to_section.
408 (xstormy16_asm_init_sections): New function.
409 (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
410 switch_to_section and get_section.
411 (xstormy16_output_addr_vec): Use switch_to_section. Remove argument
412 from calls to current_function_section.
413 * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
414 (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
415 (TARGET_ASM_INIT_SECTIONS): Define.
416 * config/stormy16/stormy16-protos.h (bss100_section): Delete.
418 * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
419 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
420 (FINI_SECTION_FUNCTION): Delete.
422 * config/v850/v850.c: Include gt-v850.h.
423 (rosdata_section, rozdata_section, tdata_section, zdata_section)
424 (zbss_section): New variables.
425 (v850_output_aligned_bss): Use switch_to_section.
426 (v850_asm_init_sections): New function.
427 (v850_select_section): Return the section rather than emitting
429 * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
430 (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
431 (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
432 (TARGET_ASM_INIT_SECTIONS): Define.
433 * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
434 (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
435 (zbss_section): Delete.
437 * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
439 * config/vx-common.h (vxworks_exception_section): Delete.
440 (TARGET_ASM_EXCEPTION_SECTION): Delete.
442 * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
443 section rather than emitting assembly code.
444 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
447 * Makefile.in (GTFILES): Add $(srcdir)/output.h.
448 * coretypes.h (section): New union and typedef.
449 * dbxout.c (FORCE_TEXT): Use switch_to_section. Remove argument
450 from call to current_function_section.
451 (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
452 (dbxout_symbol_location): Use switch_to_section.
453 * dwarf2out.c (named_section_eh_frame_section): Delete, moving
454 most of the code into...
455 (default_eh_frame_section): ...here. Return a section.
456 (collect2_eh_frame_section): Delete, moving most of the code into..
457 (switch_to_eh_frame_section): ...this new function.
458 (debug_info_section, debug_abbrev_section, debug_aranges_section)
459 (debug_macinfo_section, debug_line_section, debug_loc_section)
460 (debug_pubnames_section, debug_str_section, debug_ranges_section): New
462 (output_call_frame_info): Call switch_to_eh_frame_section instead of
463 eh_frame_section. Use switch_to_section and get_section.
464 (dwarf2out_begin_prologue): Use switch_to_section.
465 (AT_string_form): Check the flags in debug_str_section instead of
466 DEBUG_STR_SECTION_FLAGS.
467 (output_comp_unit): Use switch_to_section, get_section, and
469 (output_line_info, secname_for_decl): Use unlikely_text_section_p.
470 (dwarf2out_begin_block): Use switch_to_section. Remove argument
471 from call to current_function_section.
472 (dwarf2out_var_location): Use unlikely_text_section_p.
473 (dwarf2out_source_line): Use switch_to_section. Remove argument
474 from call to current_function_section.
475 (dwarf2out_start_source_file, dwarf2out_end_source_file)
476 (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
477 debug_macinfo_section.
478 (dwarf2out_init): Initialize the new section variables. Use them
479 instead of calls to named_section_flags. Use switch_to_section.
480 (output_indirect_string): Use switch_to_section and debug_str_section.
481 (dwarf2out_finish): Use switch_to_section and the new section
483 * except.c (default_exception_section): Return the section instead
484 of emitting assembly code.
485 (output_function_exception_table): Use the global exception_section
486 variable instead of the target hook. Use switch_to_section. Remove
487 argument from call to current_function_section.
488 * final.c (HAVE_READONLY_DATA_SECTION): Delete.
489 (shorten_branches): Use pointer comparisons to detect whether the
490 text section is the same as readonly_data_section.
491 (profile_function): Use switch_to_section. Remove argument from
492 call to current_function_section.
493 (final_scan_insn): Likewise. Update use of last_text_section.
494 * gengtype.c (open_base_files): Add an include of output.h.
495 * output.h (text_section, data_section, readonly_data_section)
496 (ctors_section, dtors_section, bss_section, init_section)
497 (fini_section, sdata_section): Turn into section pointers.
498 (in_text_section, in_unlikely_text_section, exports_section)
499 (drectve_section, named_section, mergeable_string_section)
500 (last_text_section_name): Delete.
501 (default_exception_section, default_eh_frame_section): Return sections.
502 (SECTION_DECLARED, SECTION_NAMED): New macros.
503 (SECTION_MACH_DEP): Bump value.
504 (section_common, named_section, unnamed_section): New structures.
505 (unnamed_section_callback): New typedef.
506 (section): New union.
507 (sbss_section, exception_section, eh_frame_section): New variables.
508 (in_section, last_text_section): Turn into section pointers.
509 (get_unnamed_section, get_section, get_named_section): New functions.
510 (mergeable_constant_section, function_section): Return a section.
511 (unlikely_text_section): Likewise.
512 (current_function_section): Likewise. Remove the decl argument.
513 (unlikely_text_section_p, switch_to_section): New functions.
514 (output_section_asm_op): New function.
515 (set_named_section_flags, named_section_flags, named_section_real)
516 (named_section_first_declaration): Delete.
517 (default_select_section, default_elf_select_section): Return a section.
518 (default_elf_select_section_1, default_function_rodata_section)
519 (default_no_function_rodata_section, default_select_rtx_section)
520 (default_elf_select_rtx_section): Likewise.
521 * rtl.h (in_data_section): Delete.
522 * sdbout.c (sdbout_one_type): Use switch_to_section.
523 * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
524 (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
525 (TARGET_ASM_EH_FRAME_SECTION): Poison.
526 * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
527 (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
528 (TARGET_ASM_OUT): Update after above changes.
529 * target.h (init_sections): New hook.
530 (exception_section, eh_frame_section): Delete.
531 (select_section, select_rtx_section, function_rodata_section): Return
532 a section rather than emitting assembly code.
533 * varasm.c (text_section, data_section, readonly_data_section)
534 (ctors_section, dtors_section, bss_section, init_section)
535 (fini_section): Turn into section pointers.
536 (sdata_section, sbss_section, exception_section): New variables.
537 (eh_frame_section): New variable.
538 (in_section): Make global and turn into a section pointer.
539 (last_text_section): Turn into a section pointer.
540 (unnamed_sections): New variable.
541 (in_named_name, last_text_section_name): Delete.
542 (EXTRA_SECTION_FUNCTIONS): Delete.
543 (in_named_entry): Delete.
544 (section_htab): New variable, replacing...
545 (in_named_htab): ...this deleted variable.
546 (section_entry_eq, section_entry_hash): New functions, based on...
547 (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
548 (get_unnamed_section, get_section): New functions.
549 (unlikely_text_section): Return a section instead of emitting
551 (in_text_section, in_unlikely_text_section, in_data_section): Delete.
552 (get_named_section_flags, named_section_first_declaration): Delete.
553 (unlikely_text_section_p): New function.
554 (named_section_real, named_section): Delete.
555 (get_named_section): New function.
556 (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
557 (function_section): Return a section rather than emitting
559 (current_function_section): Likewise. Remove argument. Use
560 last_text_section if nonnull, otherwise use function_section.
561 (default_function_rodata_section): Return a section rather than
562 emitting assembly code. Use get_section.
563 (default_no_function_rodata_section): Return a section rather than
564 emitting assembly code.
565 (variable_section): Use switch_to_section and get_named_section.
566 (mergeable_string_section): Return a section rather than emitting
567 assembly code. Use get_section. Make static. Don't take special
568 countermeasures for empty strings.
569 (mergeable_constant_section): Return a section rather than emitting
570 assembly code. Use get_section.
571 (default_named_section_asm_out_destructor): Use switch_to_section
573 (default_dtor_section_asm_out_destructor): Use switch_to_section.
574 (default_named_section_asm_out_constructor): Use switch_to_section
576 (default_ctor_section_asm_out_constructor): Use switch_to_section.
577 (assemble_start_function): Likewise. Set last_text_section to
578 NULL rather than no_section. Change the type of save_section.
579 (assemble_zeros, assemble_variable): Use the section flags to detect
580 whether or not a section is text.
581 (assemble_static_space): Use switch_to_section.
582 (assemble_trampoline_template): Likewise.
583 (output_constant_def_contents): Use switch_to_section and
585 (output_constant_pool_1): Use switch_to_section. Use the section
586 flags to see whether sections contain mergeable data.
587 (init_varasm_once): Initialize section_htab instead of in_named_htab.
588 Initialize new section variables. Call TARGET_ASM_INIT_SECTIONS.
589 (default_elf_asm_named_section): Use SECTION_DECLARED to detect
590 whether a section has already been declared.
591 (default_select_section, default_elf_select_section): Return a
592 section rather than emitting assembly code.
593 (default_elf_select_section_1): Likewise. Use bss_section for
594 SECCAT_BSS if nonnull. Use get_named_section.
595 (default_select_rtx_section): Return a section rather than
596 emitting assembly code.
597 (default_elf_select_rtx_section): Likewise. Use get_named_section.
598 (file_end_indicate_exec_stack): Use switch_to_section and get_section.
599 (output_section_asm_op, switch_to_section): New functions.
600 * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
603 * doc/tm.texi: Expand the introduction to the sections documentation.
604 (TRAMPOLINE_SECTION): Document new interface.
605 (SDATA_SECTION_ASM_OP): Document new macro.
606 (READONLY_DATA_SECTION): Delete.
607 (SDATA_SECTION_ASM_OP): Document new macro.
608 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
609 (TARGET_ASM_INIT_SECTIONS): Document new hook.
610 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
611 (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
612 (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
614 2005-12-07 Alan Modra <amodra@bigpond.net.au>
616 * gcc.c (init_gcc_specs): Match braces inside conditionally
619 2005-12-06 Geoffrey Keating <geoffk@apple.com>
621 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
623 2005-12-06 Aldy Hernandez <aldyh@redhat.com>
626 * tree.c (integer_all_onesp): Always return true if all bits on.
628 * testsuite/g++.dg/init/array0.C: New.
630 2005-12-06 Adrian Straetling <straetling@de.ibm.com>
632 * doc/md.texi: Adapt to implementation.
634 2005-12-06 Andreas Schwab <schwab@suse.de>
636 * opts.c (decode_options): Fix typo in message.
638 2005-12-06 Alan Modra <amodra@bigpond.net.au>
641 * longlong.h: Merge PPC tests from upstream.
643 2005-12-06 Richard Guenther <rguenther@suse.de>
645 * fold-const.c (fold_convert): Do not build and fold
646 CONVERT_EXPR, but always use NOP_EXPR.
648 2005-12-06 Jan Beulich <jbeulich@novell.com>
650 * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
651 __builtin_ia32_paddq and __builtin_ia32_subq.
652 (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
653 __builtin_ia32_pshufw.
654 * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
656 2005-12-05 James E Wilson <wilson@specifix.com>
659 * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
662 2005-12-05 Daniel Berlin <dberlin@dberlin.org>
664 * print-tree.c (print_node): Ditto.
665 * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
666 * tree-dump.c (dequeue_and_dump): Check for decl_common structure
667 before accessing DECL_ARTIFICIAL.
668 Handle new tag tree codes.
669 * tree-flow-inline.h (clear_call_clobbered): Update for tag
671 (unmodifiable_var_p): Ditto.
672 * tree-flow.h (mem_tag_kind): Remove.
673 (struct var_ann_d): Remove mem_tag_kind member.
674 * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
675 * tree-pretty-print.c (dump_generic_node): Handle memory tags.
676 * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
677 (group_aliases): Ditto.
678 (setup_pointers_and_addressables): Ditto.
679 (is_escape_site): Ditto.
680 (may_alias_p): Ditto.
681 (create_tag_raw): New function.
682 (create_memory_tag): Use it.
683 (dump_alias_info): Update for tags.
684 (may_be_aliased): Ditto.
685 (add_type_alias): Ditto.
686 (new_type_alias): Ditto.
688 (create_structure_vars): Ditto.
689 * tree-ssa-ccp.c (get_default_value): Ditto.
690 * tree-ssa-operands.c (get_expr_operands): Ditto.
691 (add_stmt_operand): Ditto.
692 (add_call_clobber_ops): Remove duplicated condition.
693 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
695 * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
696 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
697 * tree.c (init_ttree): Update structures for new tree codes.
698 (tree_code_size): Update sizes for new tree codes.
699 (make_node_stat): Don't try to set common things on minimal
701 (tree_node_structure): Update for tags.
702 (is_global_var): Ditto.
703 * tree.def: Add new tree codes.
704 * tree.h (MTAG_P): New macro.
705 (TREE_MEMORY_TAG_CHECK): Ditto.
706 (SSA_VAR_P): Update for tags.
707 (struct tree_memory_tag): New structure.
708 (MTAG_GLOBAL): New macro.
709 (union tree_node): Add memory tag member.
710 * treestruct.def (TS_MEMORY_TAG): New.
712 2005-12-05 Dale Johannesen <dalej@apple.com>
714 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Fix to match
715 what was approved (PR 24323).
717 2005-12-05 Gabriel Dos Reis <gdr@integrable-solutions.net>
719 * doc/c-tree.texi (Function Bodies): Remove description of
722 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
724 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
725 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
726 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
727 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
728 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
731 2005-12-05 Geoffrey Keating <geoffk@apple.com>
733 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
735 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
736 hook_bool_void_false.
737 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
738 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
740 * config/darwin.c (machopic_select_section): It's not defined
741 as weak if it's only marked as weak_import.
743 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
746 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
747 A hidden weak object does bind locally. Strong linkonce data
748 counts like any other strong symbol for binding.
749 (weak_finish_1): Don't specially handle weakrefs, they no longer
751 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
752 * c-common.c (handle_alias_attribute): Allow static aliases
754 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
755 * gthr-dce.h: Make weakrefs static.
756 * gthr-tpf.h: Likewise.
757 * gthr-solaris.h: Likewise.
758 * gthr-posix.h: Likewise.
759 * gthr-posix95.h: Likewise.
760 * config/darwin.c (darwin_encode_section_info): static weakref
761 variables are not necessarily defined in this translation unit.
762 * doc/extend.texi (Function Attributes): Mention that an alias
763 attribute creates a definition for the thing it's attached to.
764 Change the documentation for weakref to say that the thing
765 it's attached to must be static.
767 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
768 we don't go into an infinite loop.
770 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
772 * config/rs6000/predicates.md (logical_const_operand): Split
773 out of logical_operand.
774 (logical_operand): Use it.
775 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
776 logical_const_operand.
778 2005-12-05 Jan Beulich <jbeulich@novell.com>
780 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
781 and IX86_BUILTIN_CMPNESS.
782 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
783 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
784 * config/i386/i386.md (movti_internal): Correct type attribute.
785 Simplify mode attribute.
786 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
787 Correct type attribute.
788 (absxf2): Correct operator.
789 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
790 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
791 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
793 (sse2_vmsqrtv2df2): Correct mode attribute.
795 2005-12-05 Jan Beulich <jbeulich@novell.com>
797 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
798 16 bits. Provide insn pattern for this case.
800 2005-12-05 Jan Beulich <jbeulich@novell.com>
802 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
804 (__popcountDI2): Likewise.
806 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
809 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
810 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
811 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
814 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
816 * c-typeck.c (null_pointer_constant_p): New function.
817 (build_conditional_expr, build_c_cast, convert_for_assignment,
818 build_binary_op): Use it.
820 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
822 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
823 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
825 (check_function_arguments_recurse): Allow both NOP_EXPR and
826 CONVERT_EXPR but check conversions preserve precision.
827 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
828 but check conversions preserve precision.
829 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
832 2005-12-04 Roger Sayle <roger@eyesopen.com>
835 * common.opt (Wstring-literal-comparison): New command line option.
836 * c-opts.c (c_common_handle_option): Set it with -Wall.
837 * c-typeck.c (parser_build_binary_op): Issue warning if either
838 operand of a comparison operator is a string literal, except for
839 testing equality or inequality against NULL.
841 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
843 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
845 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
846 of building a NOP_EXPR.
847 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
849 * c-convert.c (convert): Use fold_convert instead of building
850 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
851 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
853 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
854 NOP_EXPR the same as CONVERT_EXPR.
855 * c-typeck.c (build_function_call): Use fold_convert instead of
856 building a NOP_EXPR directly.
857 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
859 2005-12-03 Alan Modra <amodra@bigpond.net.au>
861 PR rtl-optimization/25197
862 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
865 2005-12-02 Stuart Hastings <stuart@apple.com>
867 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
870 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
872 * c-typeck.c (default_function_array_conversion,
873 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
874 (build_conditional_expr): Apply integer_zerop to orig_op1 and
875 orig_op2. Don't check them for NOP_EXPR.
876 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
879 2005-12-03 Alan Modra <amodra@bigpond.net.au>
881 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
882 toc_save_offset, toc_size, lr_size.
883 (rs6000_stack_info): Use memset rather than bss struct copy to init.
884 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
885 Adjust for removal of unused rs6000_stack_t fields.
886 (debug_stack_info): Adjust.
887 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
888 first, and don't bother checking for set/inc of lr on sibcalls.
889 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
891 2005-12-02 Jakub Jelinek <jakub@redhat.com>
894 * config/i386/i386.md (movqi_1): Only force imovx for alternative
895 5 if operand 1 is not aligned. Undo previous constraint change.
896 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
898 2005-12-02 Richard Guenther <rguenther@suse.de>
900 * tree.h (build): Remove prototype.
901 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
902 * tree.c (build): Remove.
903 (build0_stat): Update comment.
905 2005-12-02 Richard Guenther <rguenther@suse.de>
907 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
908 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
910 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
911 maybe_fold_offset_to_component_ref): Likewise.
912 * tree-ssa-dom.c (thread_across_edge,
913 simplify_rhs_and_lookup_avail_expr,
914 find_equivalent_equality_comparison, record_equivalences_from_stmt):
916 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
917 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
918 lower_try_finally_switch): Likewise.
919 * tree-if-conv.c (add_to_dst_predicate_list,
920 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
921 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
922 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
923 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
924 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
925 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
926 gimplify_init_ctor_eval, gimplify_init_constructor,
927 gimplify_variable_sized_compare, gimplify_boolean_expr,
928 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
929 gimplify_expr, gimplify_body, gimplify_function_tree,
930 force_gimple_operand): Likewise.
931 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
932 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
933 mx_register_decls): Likewise.
934 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
935 get_frame_field, finalize_nesting_tree_1): Likewise.
936 * tree-inline.c (setup_one_parameter): Likewise.
937 * tree-vect-transform.c (vectorizable_condition): Likewise.
938 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
940 * tree-profile.c (tree_gen_edge_profiler): Likewise.
941 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
942 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
943 * tree-chrec.h (build_polynomial_chrec): Likewise.
945 2005-12-02 Richard Guenther <rguenther@suse.de>
947 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
948 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
949 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
950 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
951 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
952 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
953 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
955 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
956 sh_adjust_unroll_max): Likewise.
957 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
958 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
959 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
961 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
963 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
966 2005-12-02 Richard Guenther <rguenther@suse.de>
968 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
969 simplify_cond_using_ranges): Use buildN instead of build.
970 * tree-tailcall.c (adjust_accumulator_values,
971 adjust_return_value): Likewise.
972 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
973 generate_element_copy, generate_element_zero,
974 generate_one_element_init): Likewise.
975 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
976 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
977 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
978 perfect_nestify): Likewise.
980 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
982 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
984 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
986 * ggc.h (GGC_RESIZEVEC): New.
988 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
990 * gcc.c (execute): Improve readability.
992 2005-12-02 Richard Guenther <rguenther@suse.de>
994 * tree-cfg.c (mark_used_vars): New function.
995 (dump_function_to_file): Dump only used VAR_DECLs.
997 2005-12-02 Richard Guenther <rguenther@suse.de>
999 * convert.c (convert_to_integer): Fix compare for nonpositive
1000 constant to use tree_int_cst_sgn <= 0.
1002 2005-12-02 Richard Guenther <rguenther@suse.de>
1004 * convert.c (convert_to_integer): Use fold_convert instead
1005 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
1006 instead of comparing against 0. Use build_int_cst instead
1007 of converting integer_zero_node.
1009 2005-12-02 Richard Guenther <rguenther@suse.de>
1011 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1014 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1017 * combine.c (simplify_logical <IOR>): Simplify more patterns to
1020 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1023 * function.c (expand_function_end): Emit blockage for unwinder
1026 2005-12-01 Roger Sayle <roger@eyesopen.com>
1028 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1029 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1030 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1031 integer constant comparisons.
1033 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
1034 Janis Johnson <janis187@us.ibm.com>
1035 David Edelsohn <dje@watson.ibm.com>
1036 Ben Elliston <bje@au.ibm.com>
1038 * dfp.h, dfp.c: New files.
1039 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1040 (DECNUM_H): Likewise.
1041 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1042 (INCLUDES): Append $(DECNUMINC).
1043 (OBJS-common): Add dfp.o.
1045 * real.h (EXP_BITS): Pinch one bit to ..
1046 (struct real_value): Add decimal field.
1047 (real_format): Change table size, update documentation.
1048 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1049 (real_from_string3): Declare.
1050 (decimal_single_format): Declare.
1051 (decimal_double_format): Declare.
1052 (decimal_quad_format): Declare.
1053 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1054 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1055 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1056 * real.c: Include dfp.h.
1057 (normalize): Early return for decimal floats.
1058 (do_add): Zero decimal field.
1059 (do_compare): Call do_decimal_compare for decimal floats.
1060 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1061 (real_arithmetic): Call decimal_real_arithmetic for decimal
1062 floating point operands.
1063 (real_identical): If a and b are of differing radix, return false.
1064 (real_to_integer): Call decimal_real_to_integer if the value is a
1066 (real_to_integer2): Likewise, call decimal_real_to_integer2.
1067 (real_to_decimal): Likewise, call decimal_real_to_decimal.
1068 (real_to_hexadecimal): Place "N/A" in the return string for
1070 (real_from_string3): New variant, given a mode.
1071 (real_maxval): Use decimal_real_maxval for decimal floats.
1072 (round_for_format): Use decimal_round_for_format for decimals.
1073 (real_convert): Use decimal_real_convert where appropriate.
1074 (significand_size): Handle base 10.
1075 (encode_decimal_single, decode_decimal_single,
1076 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1077 decode_decimal_quad): New functions.
1078 (decimal_single_format): New.
1079 (decimal_double_format): New.
1080 (decimal_quad_format): New.
1081 * machmode.def: Add SD, DD and TD decimal floating point modes.
1082 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1083 Include MODE_DECIMAL_FLOAT.
1084 (DECIMAL_FLOAT_MODE_P): New.
1085 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1086 * genmodes.c (struct mode_data): Add counter field.
1087 (struct mode_data): Update comment for format.
1088 (blank_mode): Initialise counter field.
1089 (new_mode): Increment counter field for each mode defined.
1090 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1092 (make_complex_modes): Handle modes containing `D'.
1093 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1094 (make_decimal_float_mode): New.
1095 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1096 (cmp_modes): Compare counter field if other characteristics
1098 (emit_real_format_for_mode): Support formats for decimal floats.
1099 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1100 Document MODE_DECIMAL_FLOAT.
1102 2005-12-02 Alan Modra <amodra@bigpond.net.au>
1104 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1107 2005-12-01 Richard Henderson <rth@redhat.com>
1109 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1111 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1115 * config/pa/pa.c (pa_init_builtins): If we detect
1116 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1119 2005-12-01 Richard Guenther <rguenther@suse.de>
1121 * fold-const.c (fold_binary): Use fold_build2, not
1124 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
1126 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1128 * vec.h (VEC_block_remove): New.
1130 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
1133 * c-common.c (lvalue_error): Fix wording.
1135 2005-12-01 Richard Guenther <rguenther@suse.de>
1137 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1138 thinko in last patch.
1140 2005-12-01 Geoffrey Keating <geoffk@apple.com>
1142 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1143 than -flat_namespace.
1145 2005-12-01 Ben Elliston <bje@au.ibm.com>
1147 * mklibgcc.in: Parameterise the script to build soft float
1148 functions by iterating over each type, rather than cloning the
1151 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1154 * builtins.c (fold_builtin_fputs): Defer check for missing
1155 replacement functions.
1157 2005-11-30 Kean Johnston <jkj@sco.com>
1159 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1160 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1162 2005-11-30 Richard Guenther <rguenther@suse.de>
1164 PR tree-optimization/22501
1165 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1166 function split out from ...
1167 (forward_propagate_addr_expr): ... here. Use it to propagate
1168 ADDR_EXPRs to all uses.
1170 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1172 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1173 * builtins.c (expand_builtin_mathfn): Use them.
1174 (expand_builtin_mathfn_2): Likewise.
1175 (expand_builtin_mathfn_3): Likewise.
1176 (expand_builtin_int_roundingfn): Likewise.
1177 (expand_builtin): Likewise.
1178 (integer_valued_real_p): Likewise.
1179 (fold_builtin_int_roundingfn): Likewise.
1180 (fold_builtin_bitop): Likewise.
1181 (fold_builtin_logarithm): Likewise.
1182 (fold_builtin_1): Likewise.
1183 * convert.c (convert_to_integer): Likewise.
1184 * fold-const.c (negate_mathfn_p): Likewise.
1185 (tree_expr_nonnegative_p): Likewise.
1187 2005-11-30 Dale Johannesen <dalej@apple.com>
1188 Andrew Pinski <pinskia@physics.uc.edu>
1190 * combine.c (find_split_point): Sign extend bitmask
1191 when changing bitfield assignment to IOR of AND.
1193 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1195 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1196 clobber to scratch reg.
1197 (*decrement_and_branch_until_zero_no_clobber): Remove.
1198 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1199 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1200 * config/ms1/ms1.opt (mmul): Remove.
1201 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1202 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1204 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1205 Bernd Schmidt <bernd.schmidt@analog.com>
1207 * pa/predicates.md (symbolic_operand): Add comment.
1208 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1209 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1210 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1211 (pa_secondary_reload_class): Delete.
1212 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1213 and pa_secondary_reload_class. Reorder some checks. Update inline
1214 copy of symbolic operand.
1215 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1217 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
1219 * loop-doloop.c (add_test): Only add jump notes if we did emit a
1222 2005-11-30 Jeff Law <law@redhat.com>
1224 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1225 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1227 2005-11-30 Jakub Jelinek <jakub@redhat.com>
1229 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1230 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1231 (ia64_expand_move): Adjust caller.
1233 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1234 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1237 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
1239 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1240 Always produce an output if we can remove NEGs or canonicalize
1241 (minus (minus ...)) expressions. Provide a fast path for the
1243 (simplify_gen_binary): Do not call simplify_plus_minus.
1244 (simplify_binary_operation_1): Reassociate at the end of the
1247 2005-11-29 Evan Cheng <evan.cheng@apple.com>
1249 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1250 moves and unpack to speed up.
1252 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
1254 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1255 argument, they are always sparc_compare_op0 and sparc_compare_op1.
1256 (gen_v9_scc): Update callers.
1257 * config/sparc/sparc.md: Likewise.
1258 * config/sparc/sparc-protos.h: Update extern declaration.
1260 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1262 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1264 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1267 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
1269 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1270 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1271 (negate_expr): Here.
1273 2005-11-29 Ben Elliston <bje@au.ibm.com>
1275 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1276 Fix typo in comment.
1278 2005-11-29 Ben Elliston <bje@au.ibm.com>
1280 * Makefile.in (clean-target): Depend on clean-target-libgcc.
1281 (clean-target-libgcc): Import rule from the top-level Makefile.in.
1283 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1287 * builtins.c (init_target_chars): New.
1288 (expand_builtin_printf, expand_builtin_fprintf,
1289 expand_builtin_sprintf, fold_builtin_sprintf,
1290 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1291 fold_builtin_snprintf_chk, fold_builtin_printf,
1292 fold_builtin_fprintf): Check for matching format strings using
1295 2005-11-29 Paul Brook <paul@codesourcery.com>
1297 * config.gcc: Do not use fixproto on m68k-elf.
1299 2005-11-28 Roger Sayle <roger@eyesopen.com>
1301 * expmed.c (div_cost): Replace with...
1302 (sdiv_cost, udiv_cost): New.
1303 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1304 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1305 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1306 (expand_divmod): Replace use of div_cost with either sdiv_cost
1307 or udiv_cost depending upon the signedness of the operation.
1309 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1312 * config/darwin.c (machopic_indirection_name,
1313 machopic_output_indirection): Follow transparent alias chain.
1315 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
1317 * varasm.c (ultimate_transparent_alias_target): Add comment.
1319 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
1321 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1322 SET_SRC instead of XEXP where appropriate.
1324 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1326 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1329 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
1331 * config/fp-bit.h (LSHIFT): Take shift count parameter.
1332 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1335 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
1337 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1338 secondary_input_reload_class, made static. Adapt to new
1340 (secondary_output_reload_class): Delete.
1341 (TARGET_SECONDARY_RELOAD): New macro.
1342 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1343 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1345 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
1348 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
1349 when its natural alignment is > BITS_PER_UNIT.
1350 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1351 * c-common.c (handle_packed_attribute): Ignore packing on a field
1352 whose type is naturally char aligned.
1354 2005-11-28 Richard Guenther <rguenther@suse.de>
1356 * c-common.c (strict_aliasing_warning): Handle all
1357 component-ref like accesses.
1359 2005-11-28 Roger Sayle <roger@eyesopen.com>
1360 Uros Bizjak <uros@kss-loka.si>
1363 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1364 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1365 when flag_unsafe_math_optimizations is set and
1366 we don't care about NaNs or Infinities.
1368 Move x/expN(y) and x/pow(y,z) transformation into common
1369 flag_unsafe_math_optimizations section.
1371 2005-11-27 Mark Mitchell <mark@codesourcery.com>
1373 * gcc.c (main): Change type of argv to "char **".
1375 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1377 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1378 small data sections.
1379 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1380 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1381 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1382 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
1383 output locals to sbss if !rs6000_elf_in_small_data_p.
1384 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1386 2005-11-28 Alan Modra <amodra@bigpond.net.au>
1389 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1390 generated by reload.
1391 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1392 indexed_or_indirect_address.
1393 (indexed_or_indirect_address): Don't test for base reg. Call
1394 address_operand last. Make it a special predicate.
1396 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
1398 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1400 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
1403 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1405 (negate_expr): Likewise.
1407 2005-11-27 Andreas Schwab <schwab@suse.de>
1409 * config/m68k/m68k.c: Reindent and fix whitespace, remove
1412 2005-11-27 Steven Bosscher <stevenb@suse.de>
1414 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1415 has EH predecessor edges.
1417 2005-11-26 Eric Christopher <echristo@apple.com>
1419 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1420 register stalls by zero extending to the full register.
1422 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
1424 * config/floatunsisf.c, config/floatunsidf.c,
1425 config/floatunsixf.c, config/floatunsitf.c: New files.
1426 * config/ia64/t-hpux: Add floatunsitf.c.
1427 * config/ia64/ia64.c (ia64_init_libfuncs): Use
1428 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1430 2005-11-26 Richard Henderson <rth@redhat.com>
1432 * c-lex.c (pragma_lex): Rename from c_lex.
1433 * c-pch.c: Update for pragma_lex rename.
1434 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1435 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1436 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1437 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1438 * doc/tm.texi: Likewise.
1440 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
1443 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1444 when overflow is undefined.
1446 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
1448 * doc/md.texi (Insn Canonicalizations): Refer to the
1449 function commutative_operand_precedence for further rules.
1451 2005-11-25 Roger Sayle <roger@eyesopen.com>
1454 * expmed.c (choose_mult_variant): Return immediately when mult_cost
1455 is less than zero. Limit mult_cost to a reasonable upper bound for
1456 the synthetic multiplication sequence.
1458 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1461 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1462 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1463 Lookup the explicit replacement functions for any unlocked
1464 stdio builtin transformations.
1466 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
1468 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1470 * targhooks.c (default_secondary_reload): Don't require operand 2
1471 for an input reload to be earlyclobber.
1473 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1475 * fold-const.c (negate_mathfn_p): Fix comment and add support
1476 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1479 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1482 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1483 _Q_ulltoq for unsigned conversions from SImode and DImode to
1486 2005-11-25 Alan Modra <amodra@bigpond.net.au>
1488 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1489 (__floatundidf, __floatundisf): Likewise.
1491 2005-11-25 David Edelsohn <edelsohn@gnu.org>
1493 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1494 (rs6000_override_options): Remove initialization of
1495 rs6000_sr_alias_set.
1496 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1497 (rs6000_emit_stack_tie): Same.
1498 (emit_frame_save): Same.
1499 (gen_frame_mem_offset): Same.
1500 (rs6000_emit_prologue): Same.
1501 (rs6000_emit_epilogue): Same.
1503 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1506 * fold-const.c (fold_build): Convert bool_var != 1 and
1507 bool_var == 0 to !bool_var.
1509 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
1512 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1513 for C being INTEGER_CST. Likewise for !=.
1515 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
1518 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1519 unsigned conversions from SImode to TFmode.
1521 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
1523 * expr.c (expand_expr_real_1): Fix error in last change.
1525 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1527 * caller-save.c: (this_insn_sets): Move into:
1528 (save_call_clobbered_regs).
1529 (mark_set_regs): Get this_insn_sets from data.
1531 (save_call_clobbered_regs): Take sets of the return value by
1532 sibcalls into account.
1534 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
1537 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1538 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1539 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1540 (memory_move_secondary_cost, init_reg_autoinc): Remove
1541 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1542 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1543 secondary_reload_class call.
1544 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
1546 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1547 (push_secondary_reload): Use secondary_reload target hook.
1548 (secondary_reload_class, scratch_reload_class): New functions.
1549 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1550 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
1551 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1552 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1553 (secondary_reload_class, scratch_reload_class): Declare.
1554 * reload1.c: Include target.h.
1555 (reload_adjust_reg_for_temp): New function.
1556 (reload_adjust_reg_for_icode): Likewise.
1557 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1558 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1560 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
1561 for inheritance. Support case when both secondary & tertiary reloads
1562 are for intermediate registers.
1563 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1564 with secondary_reload_class call. Support case when both secondary
1565 & tertiary reloads are for intermediate registers.
1566 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1567 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1568 * target.h (secondary_reload_info): New struct / typedef.
1569 (struct gcc_target): New member secondary_reload.
1570 * targhooks.c Include reload.h, optabs.h and recog.h.
1571 (default_secondary_reload): New function.
1572 * targhooks.h (default_secondary_reload): Declare.
1573 * doc/tm.texi: Document secondary_reload target hook. Update
1574 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1575 * doc/md.texi: Likewise.
1577 * sh-protos.h (sh_secondary_reload): Declare.
1578 * sh.c (TARGET_SECONDARY_RELOAD): Override.
1579 (sh_secondary_reload): New function.
1580 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1581 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1582 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1583 (HAVE_SECONDARY_RELOADS): Define.
1584 * sh.md (reload_indf): Rename to:
1586 (reload_outdf): Rename to:
1587 (reload_outdf__RnFRm).
1588 (reload_insf): Rename to:
1590 (reload_insi): Rename to:
1591 (reload_insi__i_fpul).
1593 2005-11-24 Uros Bizjak <uros@kss-loka.si>
1595 * configure.ac: Require at least texinfo 4.4.
1596 * configure: Regenerate.
1598 * doc/install.texi (Tools/packages necessary for building GCC):
1599 Update required version of texinfo to at least 4.4.
1600 (Installing GCC: Building): Update required version of texinfo
1602 (Installing GCC: Final installation): Update required version
1603 of texi2dvi to at least 4.4.
1604 (Host/target specific installation notes for GCC): Update required
1605 version of texinfo to at least 4.4.
1607 2005-11-24 Richard Guenther <rguenther@suse.de>
1608 Dirk Mueller <dmueller@suse.de>
1611 * c-common.h (strict_aliasing_warning): Declare.
1612 * c-common.c (strict_aliasing_warning): New function,
1614 * c-typeck.c (build_c_cast): ... here.
1616 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1618 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1620 (swap_commutative_operands_with_target): New.
1622 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
1624 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1625 also when doing PRE, rather than only for global CPROP.
1627 2005-11-24 Ben Elliston <bje@au.ibm.com>
1629 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1630 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1632 (expand_twoval_unop): Likewise.
1633 (widen_clz): Likewise.
1634 (expand_parity): Likewise.
1635 (expand_unop): Likewise.
1636 (emit_cmp_and_jmp_insn_1): Likewise.
1637 (prepare_float_lib_cmp): Likewise.
1639 2005-11-24 Ben Elliston <bje@au.ibm.com>
1641 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1642 Remove unused `class' variable.
1644 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1647 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
1648 C/C++ diagnostic function warn_array_subscript_with_type_char.
1649 * c-common.h (warn_array_subscript_with_type_char): Declare.
1650 * c-common.c (warn_array_subscript_with_type_char): Define.
1652 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
1655 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1656 compiling at the intersection of C and C++.
1658 2005-11-23 Mark Mitchell <mark@codesourcery.com>
1660 * doc/invoke.texi: For man pages, include gcc-vers.texi.
1661 List @file in the option summary. Include the libiberty
1662 documentation for @file.
1663 * gcc.c (main): Call expandargv.
1664 * Makefile.in (gcc-vers.texi): Define srcdir.
1666 2005-11-23 Diego Novillo <dnovillo@redhat.com>
1668 * passes.c (init_optimization_passes): Document
1669 sequencing of passes.
1671 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
1673 * config/m68k/predicates.md (pcrel_address, extend_operator,
1674 post_inc_operand, pre_dec_operand): Remove redundant
1676 (const_uint32_operand, const_sint32_operand): Use gcc_assert
1678 (valid_dbcc_comparison_p): Rewrite in the lisp style.
1680 2005-11-23 Ben Elliston <bje@au.ibm.com>
1682 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1684 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
1686 Preparatory work for PR target/21623:
1687 * alpha.c (secondary_reload_class): Rename to:
1688 (alpha_secondary_reload_class).
1689 * alpha.h, alpha-protos.h: Likewise.
1690 * mn10300.c (secondary_reload_class): Rename to:
1691 (mn10300_secondary_reload_class).
1692 * mn10300.h, mn10300-protos.h: Likewise.
1693 * pa.c (secondary_reload_class): Rename to:
1694 (pa_secondary_reload_class).
1695 * pa.h, pa-protos.h: Likewise.
1696 * rs6000.c (secondary_reload_class): Rename to:
1697 rs6000_secondary_reload_class.
1698 * rs6000.h, rs6000-protos.h: Likewise.
1700 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
1703 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1705 2005-11-22 Ian Lance Taylor <ian@airs.com>
1707 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1709 (prepare_cmp_insn): Likewise.
1711 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
1714 * m68k.md (zero_extendsidi2): Force operands[1] to a register
1715 if both operands[0] and operands[1] are memory.
1717 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1720 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1721 COMPARISON_CLASS_P and an integral types create create a new
1722 expression with the new type and fold that.
1724 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1727 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1728 to SUBTARGET_OS_CPP_BUILTINS.
1730 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
1732 * arm.c (emit_set_insn): New function.
1733 (arm_split_constant): Call it.
1734 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1735 (arm_legitimize_address): Likewise. Use plus_constant.
1736 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
1737 (thumb_expand_prologue): Likewise.
1738 (arm_gen_load_multiple): Use VOIDmode in SET.
1739 (arm_gen_store_multiple): Likewise.
1740 (vfp_emit_fstmx): Likewise. Use plus_constant.
1741 (emit_multi_reg_push): Likewise.
1742 (emit_sfm): Use plus_constant.
1744 2005-11-23 Alan Modra <amodra@bigpond.net.au>
1747 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1750 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1753 * expmed.c (store_bit_field): Don't attempt to insv a field
1754 larger than the reg.
1756 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1759 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1760 explicit sign extension, not a (char) cast.
1762 2005-11-22 Ben Elliston <bje@au.ibm.com>
1764 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1765 GET_MODE_CLASS (x) == MODE_FLOAT.
1766 * config/i386/i386.c: Likewise.
1767 * config/rs6000/xcoff.h: Likewise.
1768 * config/rs6000/linux64.h: Likewise.
1769 * config/rs6000/rs6000.c: Likewise.
1770 * config/rs6000/rs6000.h: Likewise.
1771 * config/rs6000/predicates.md: Likewise.
1772 * config/rs6000/sysv4.h: Likewise.
1774 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1776 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1779 * config/alpha/freebsd.h, config/alpha/linux.h,
1780 config/arm/linux-elf.h, config/bfin/bfin.h,
1781 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1782 config/i386/beos-elf.h, config/i386/gnu.h,
1783 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1784 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1785 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1786 config/rs6000/linux64.h, config/rs6000/sysv4.h,
1787 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1788 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1789 config/sparc/linux.h, config/sparc/linux64.h,
1790 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1792 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1793 are both defined when either flag -fpic or -fPIC are used.
1795 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1797 * config/fp-bit.c (clzusi): New function.
1798 (si_to_float, usi_to_float): Use it to compute proper shift.
1799 (usi_to_float): Preserve guard bits when shifting right.
1800 * libgcc-std.ver (GCC_4.2.0): New version.
1801 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1802 __floatundisf): New functions.
1803 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1804 __floatundisf): Declare.
1805 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1806 _floatundixf, and _floatunditf.
1807 * optabs.c (expand_float): If target does not define a pattern for
1808 signed or unsigned conversion, use an unsigned libcall instead of
1810 (init_optabs): Initialize ufloat_optab.
1812 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1814 * config/rs6000/rs6000.opt (mmulhw): New option.
1815 * doc/invoke.texi (-mmulhw): Document.
1816 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1818 * config/rs6000/rs6000.md: Add half-word multiply and
1819 multiply-accumulate instructions for 405 and 440.
1821 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
1823 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1824 which matches behavior of gcc 4.0 and older for RTEMS targets. The
1825 default now includes a linker group which makes the RTEMS one nest.
1827 2005-11-22 Ben Elliston <bje@au.ibm.com>
1829 * cse.c (fold_rtx): Typo fix.
1830 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1832 2005-11-21 Richard Henderson <rth@redhat.com>
1834 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1835 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1837 * c-tree.h (lookup_name): Move declaration ...
1838 * c-common.h (lookup_name): ... here.
1839 * config/darwin-c.c: Include c-common.h.
1840 * config/t-darwin: Update dependencies.
1842 2005-11-22 Ben Elliston <bje@au.ibm.com>
1844 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1845 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1846 * genopinit.c (gen_insn): Likewise.
1847 * reload.c (find_equiv_reg): Likewise.
1848 * loop.c (load_mems): Likewise.
1849 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1850 * cse.c (find_comparison_args, fold_rtx): Likewise.
1851 * dwarf2out.c (add_const_value_attribute): Likewise.
1852 * expr.c (convert_move): Likewise.
1853 * recog.c (general_operand, register_operand): Likewise.
1854 * reg-stack.c (replace_reg): Likewise.
1855 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1856 * c-common.c (handle_vector_size_attribute): Likewise.
1857 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1858 (simplify_binary_operation_1): Likewise.
1859 (simplify_const_binary_operation): Likewise.
1860 (simplify_relational_operation): Likewise.
1861 (simplify_const_relational_operation): Likewise.
1862 (simplify_immed_subreg): Likewise.
1863 * emit-rtl.c (gen_lowpart_common): Likewise.
1864 * expmed.c (expand_mult): Likewise.
1865 * stor-layout.c (layout_type): Likewise.
1867 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
1870 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1871 cst2 only for SPE vectors.
1873 2005-11-21 David Edelsohn <edelsohn@gnu.org>
1876 * config/rs6000/predicates.md (vrsave_operation): Check
1877 UNSPEC_VOLATILE value.
1879 2005-11-21 Jan Hubicka <jh@suse.cz>
1881 PR tree-optimization/24653
1882 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1884 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1886 * config/i386/predicates.md (ax_reg_operand): New predicate.
1887 (memory_displacement_only_operand): New predicate.
1888 * config/i386/i386.md ("modrm" attribute): Return 0 if one
1889 operand is AX register and the other operand is memory operand
1890 with displacement only.
1892 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1894 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1895 if we don't care about NaNs or Infinities.
1897 2005-11-20 Ian Lance Taylor <ian@airs.com>
1899 PR rtl-optimization/24883
1900 * combine.c (combinable_i3pat): When checking whether the
1901 destination of i3 is used in i3, consider paradoxical subregs.
1903 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1906 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1908 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1910 * combine.c (try_combine): Do not run subst on i1src and i2src in
1911 the case of generating a PARALLEL for a comparison.
1913 2005-11-20 Richard Henderson <rth@redhat.com>
1916 * tree-sra.c (struct sra_elt): Add all_no_warning.
1917 (struct sra_walk_fns) <use>: Add use_all argument.
1918 (sra_walk_expr): Pass it.
1919 (sra_walk_modify_expr): Likewise.
1920 (scalarize_ldst): Likewise.
1921 (scan_use): Update for new argument.
1922 (mark_no_warning): New.
1923 (scalarize_use): Use it.
1925 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1927 * expr.c (expand_expr_real): Use usmul_optab for widening
1928 signed * unsigned multiplies.
1929 * genopinit.c (optabs): Add usmul_widen_optab.
1930 * optabs.c (init_optabs): Likewise.
1931 * optabs.h (enum optab_index): Add OTI_usmul_widen.
1932 (usmul_widen_optab): Define.
1933 * config/bfin/bfin.md (usmulhisi3): New pattern.
1935 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1937 2005-11-20 Graham Stott <btinternet.com>
1939 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1941 2005-11-20 Andreas Schwab <schwab@suse.de>
1944 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1947 2005-11-19 Richard Henderson <rth@redhat.com>
1950 * tree-gimple.c (is_gimple_id): Export.
1951 * tree-gimple.h (is_gimple_id): Declare.
1952 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1953 (get_default_value): Use it.
1954 (maybe_fold_stmt_indirect): Likewise.
1956 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1958 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1959 than VR1 or vice-versa.
1961 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1965 * reload.c (find_reloads_address_1): Mention dependency on
1967 * reload1.c (gen_reload): For IN with an unary operation, try
1968 moving inner expression to OUT if trivial SET is not valid.
1969 Confirm that the result is valid. Move common code block into...
1970 (emit_insn_if_valid_for_reload): New function.
1972 2005-11-19 Richard Guenther <rguenther@suse.de>
1974 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1975 ARRAY_REFs of constant strings.
1977 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1979 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1980 fatal format string.
1982 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1984 * combine.c (make_compound_operation): Swap operands of
1985 commutative operation if necessary before returning.
1987 2005-11-19 Richard Guenther <rguenther@suse.de>
1990 * fold-const.c (fold_plusminus_mult_expr): New function.
1991 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1992 cases, remove now unnecessary code.
1994 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1996 * gensupport.c (old_preds): Rename to std_preds, add special field.
1997 (struct old_pred_table): Rename to struct std_pred_table, add special
1999 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2000 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2001 (init_predicate_table): Adjust, and set along the way whether a
2002 predicate is special.
2004 2005-11-18 Mark Mitchell <mark@codesourcery.com>
2006 * BASE-VER: Change to 4.2.0.
2008 2005-11-18 James E Wilson <wilson@specifix.com>
2010 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2013 2005-11-18 Mike Stump <mrs@apple.com>
2015 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2016 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2017 * c-decl.c (lookup_name_two) Remove.
2018 * c-tree.h (lookup_name_two): Remove.
2019 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2020 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2021 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2022 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2024 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
2027 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2028 when not generating code to use that co-processor.
2030 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
2032 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2033 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2034 these functions are now in tree-phinodes.c.
2036 2005-11-18 Jie Zhang <jie.zhang@analog.com>
2038 * config/bfin/bfin.md (trap): New pattern.
2040 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2042 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2045 * expr.c (expand_expr_real): Don't call record_block_change unless
2046 ib_boundaries_block is non-null
2048 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2050 * fold-const.c (build_range_check): Use proper type for subtraction
2051 when merging lower bound.
2053 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2055 PR rtl-optimization/24497
2056 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2059 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
2061 * tree-scalar-evolution.c (expression_expensive_p): New function.
2062 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2064 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
2066 * config/bfin/crtlibid.s: New file.
2068 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2071 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2072 when not using sjlj exceptions.
2073 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2074 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2075 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2076 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2077 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2078 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2079 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2080 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2081 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2082 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2083 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2084 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2085 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2087 * config/pa/hpux-unwind.h: New file.
2089 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
2091 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2092 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2093 * varasm.c (do_assemble_alias): Adjust call.
2094 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2096 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2098 2005-11-17 James E Wilson <wilson@specifix.com>
2100 * tree.def (FUNCTION_DECL): Correct typo in comment.
2102 2005-11-17 Richard Henderson <rth@redhat.com>
2104 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2105 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2106 and DW_CFA_def_cfa_sf.
2107 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2108 (dbx_reg_number): Don't assert particular registers here.
2109 (based_loc_descr): ... do it here instead. Fold in ...
2110 (eliminate_reg_to_offset): ... this function.
2111 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2112 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2113 * unwind-dw2.c (execute_cfa_program): Apply data align factor
2114 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2115 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2116 (instantiate_virtual_regs): Likewise.
2117 * var-tracking.c (adjust_stack_reference): Likewise.
2118 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2120 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
2122 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2123 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2124 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2126 ($(T)crtlibid.o): New rule.
2128 2005-11-16 Richard Guenther <rguenther@suse.de>
2131 * fold-const.c (extract_array_ref): Return byte offset
2133 (fold_binary): Fold &x[a] CMP &x[b] to
2134 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2137 2005-11-16 Richard Henderson <rth@redhat.com>
2140 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2141 parts of an SSA_NAME.
2143 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
2146 * arm.md (split for movsf with immediate): Restrict split to insns
2147 that set a general register.
2149 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2151 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
2153 * unwind-dw2.c (uw_advance_context): Likewise.
2154 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
2155 _Unwind_SjLj_Unregister.
2156 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2158 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2160 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2162 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2164 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2165 langhook to get a DImode integer type.
2167 2005-11-16 Richard Henderson <rth@redhat.com>
2168 J"orn Rennecke <joern.rennecke@st.com>
2169 Ulrich Weigand <uweigand@de.ibm.com>
2173 * reload1.c (reg_equiv_invariant): New.
2174 (reload): Allocate, initialize, and free it.
2175 (calculate_needs_all_insns): Check it when skipping equivalence
2177 (alter_reg): Likewise.
2178 (eliminate_regs_1): Rename from eliminate_regs. Add new
2179 may_use_invariant argument; only use reg_equiv_invariant when true.
2180 (eliminate_regs): New.
2181 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2182 a context for which may_use_invariant may be true.
2184 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2186 * fold-const.c (const_binop): Don't constant fold the operation
2187 if the result has overflowed and flag_trapping_math.
2188 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2190 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
2192 * config/arm/unwind-arm.c (abort): Add prototype here.
2193 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2194 (struct phase1_vrs): Add prev_sp.
2195 (unwind_phase2_forced): Save the original core registers instead of
2196 modifying entry_vrs. Take a new flag argument for resuming unwinding
2197 and set action flags accordingly. Always set _US_END_OF_STACK when
2198 get_eit_entry fails. Unwind before calling the stop function.
2199 (_Unwind_GetCFA): New function.
2200 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2201 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2202 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2203 just call unwind_phase2_forced.
2204 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2205 * config/arm/unwind-arm.h (abort): Remove prototype.
2206 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2208 (_Unwind_GetCFA): New prototype.
2209 * config/arm/pr-support.c (abort): Add prototype here.
2210 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2212 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2213 not schedule the prologue with non-call exceptions and EABI.
2215 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
2217 * config/arm/unwind-arm.h: Reorder interface function declarations.
2218 (_URC_END_OF_STACK): New enumeration value.
2219 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2220 (struct _Unwind_Control_Block): Document reserved field use.
2221 (_Unwind_Stop_Fn): New typedef.
2222 (_Unwind_ForcedUnwind): Declare.
2223 (_Unwind_Resume_or_Rethrow): Declare.
2224 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2226 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2227 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2228 (UCB_FORCED_STOP_ARG): New.
2229 (search_EIT_table): Update boundary condition checks.
2230 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2231 (unwind_phase2): Replace for with do..while.
2232 (unwind_phase2_forced): New.
2233 (__gnu_Unwind_RaiseException): Replace for with do..while.
2234 (__gnu_Unwind_ForcedUnwind): New.
2235 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2236 Use appropriate phase2 unwinder.
2237 (__gnu_Unwind_Resume_or_Rethrow): New.
2238 (__gnu_unwind_pr_common): Cope with forced unwinding.
2240 2005-11-16 David Edelsohn <edelsohn@gnu.org>
2243 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2245 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2246 roundsf2): Remove "s" from mnemonic.
2248 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
2250 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2252 * config/bfin/crtn.s: Change epilogues to match.
2253 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2254 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2255 __PIC__ and __pic__.
2257 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
2260 * doc/invoke.texi: Distinguish between free and fixed form instead of
2261 Fortran and Fortran 90/95. Remove ratfor from the list of supported
2263 * gcc.c (default_compilers): Remove double entries, add entries for
2264 suffixes '.F90' and '.F95'.
2266 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
2268 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2269 in the stack probing loop.
2271 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2273 * configure.ac: Use .machine power5 not power5x.
2274 * configure: Regenerate.
2276 2005-11-15 Mike Stump <mrs@apple.com>
2278 * c-decl.c (lookup_name_two): Add.
2279 * c-tree.h (lookup_name_two): Likewise.
2280 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2281 * config/darwin-c.c (darwin_pragma_unused): Likewise.
2283 2005-11-16 Alan Modra <amodra@bigpond.net.au>
2285 PR rtl-optimization/23392
2286 * regrename.c (enum scan_actions) Add mark_access.
2287 (scan_actions_name): Ditto.
2288 (scan_rtx_reg): Handle mark_access.
2289 (scan_rtx_address): Do nothing for mark_access.
2290 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2291 and regs in REG_INC notes before closing chains for dead regs.
2292 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2293 opening chains for new writes.
2295 2005-11-15 David Edelsohn <edelsohn@gnu.org>
2297 * c.opt (ffixed-line-length-none): New.
2299 2005-11-15 Steve Ellcey <sje@cup.hp.com>
2301 * mklibgcc.in: Change contents of eh_dummy.c.
2303 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2305 * loop.c (scan_loop): Do not insert temporaries for hard registers.
2307 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
2309 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2311 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
2313 2005-11-15 Jan Hubicka <jh@suse.cz>
2315 * invoke.texi (large-unit-insns): Document.
2316 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2317 * params.def (large-unit-insns): New param.
2319 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
2322 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2323 special register for operand 3. Reindent constraints to align
2326 2005-11-14 David Edelsohn <edelsohn@gnu.org>
2328 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2329 -mpopcntb, -mfprnd. Add -mcpu=power5+.
2330 * configure.ac: Add test for FP rounding instructions.
2331 * configure: Regenerate.
2332 * config.in: Regenerate.
2333 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2334 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2336 * config/rs6000/rs6000.opt (mfprnd): New.
2337 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2338 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2339 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2340 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2341 (TARGET_FPRND): New.
2342 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2344 (btrunc<mode>2): New.
2346 (floor<mode>2): New.
2347 (round<mode>2): New.
2349 2005-11-14 Geoffrey Keating <geoffk@apple.com>
2351 * gcc.c (version_compare_spec_function): Use fatal() rather than
2354 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2355 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2356 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2358 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2361 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2362 on -mmacosx-version-min setting.
2364 2005-11-14 Diego Novillo <dnovillo@redhat.com>
2367 * tree-vrp.c (infer_value_range): Return false if STMT is a
2368 block terminator and its basic block has no successors.
2370 2005-11-14 Mike Stump <mrs@apple.com>
2372 * config/i386/i386.c (override_options): -masm=intel isn't
2373 supported on darwin.
2374 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2376 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
2378 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2379 vfork after including auto-host.h.
2381 2005-11-15 Alan Modra <amodra@bigpond.net.au>
2383 PR rtl-optimization/22002
2384 * combine.c (distribute_notes): Detect cases where a reg dies
2385 two or more times in a bb, including on the insn we are combining,
2386 and place the death note on the correct range.
2388 2005-11-14 Dale Johannesen <dalej@apple.com>
2390 * expmed.c (store_bit_field): Add offset unconditionally for
2392 (extract_bit_field): Don't force extzv or extv operand into
2393 a register if field is too big.
2395 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2397 * config/arm/arm.c (pic_labelno): New.
2398 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2399 LABEL_REF. Pass only the labelno to PIC insns.
2400 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2401 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2402 * arm.md (UNSPEC_PIC_LABEL): New constant.
2403 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2404 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2405 Use the correct label prefix.
2407 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
2409 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2412 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
2414 * loop-invariant.c: Include tm_p.h.
2415 * Makefile.in: Updated.
2417 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2419 * pa.c (store_reg): Revise generation of frame notes in large frames.
2420 (set_reg_plus_d): Likewise.
2422 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
2424 PR tree-optimization/24709
2425 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2428 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2430 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2431 and duplicate declaration of pthread_self.
2433 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
2434 Ian Lance Taylor <ian@airs.com>
2437 * calls.c (expand_call): If TARGET is a MEM and some part of the
2438 argument area has been saved, force TARGET to a register.
2440 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
2442 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2445 2005-11-13 Jason Merrill <jason@redhat.com>
2448 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2449 lazily declared methods.
2450 (force_decl_die): Stop if forcing out the context already make a
2452 (force_type_die): Likewise.
2454 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
2457 * builtins.c (integer_valued_real_p): Add break in
2458 REAL_CST having TREE_OVERFLOW set.
2460 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
2462 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2463 addressing modes during calculation of costs.
2465 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
2467 * function.c (assign_stack_local_1): Restrict sanity check
2468 on frame size overflow to 32-bit and above platforms.
2470 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2472 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2473 * config/cris/cris.c: Include reload.h.
2474 (cris_initial_elimination_offset): New function.
2475 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2478 2005-11-12 Richard Guenther <rguenther@suse.de>
2480 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2482 2005-11-12 Jan Hubicka <jh@suse.cz>
2484 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2485 to compare against 0 when possible.
2487 2005-11-12 Jie Zhang <jie.zhang@analog.com>
2489 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2490 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2491 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2492 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2495 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2497 * recog.c (constrain_operands) <case 'g'>: For a match, require
2498 that a non-register matches general_operand when strict >= 0.
2500 2005-11-11 Steven Bosscher <stevenb@suse.de>
2502 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2505 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2507 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2508 (memory_address_same): New.
2509 (dse_optimize_stmt): Call memory_address_same.
2511 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
2514 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2515 ZERO_EXTEND>: New cases.
2517 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
2519 * longlong.h (__clz_tab): Always provide.
2521 2005-11-11 Steven Bosscher <stevenb@suse.de>
2524 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2526 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2527 before check_maybe_invariant.
2528 (move_invariant_reg): Use gen_move_insn instead of replacing
2529 SET_DEST with the temporary for the invariant.
2530 (move_loop_invariants): If checking is enabled, do internal
2531 consistency checks after completing the pass.
2533 2005-11-11 David Edelsohn <edelsohn@gnu.org>
2536 * common.opt (Wvolatile-register-var): New.
2537 * varasm.c (make_decl_rtl): Only emit warning when option
2538 specified. Clarify warning message.
2539 * doc/invoke.texi (Wvolatile-register-var): Document new option.
2541 * doc/md.texi (copysign): Document standard named pattern.
2543 2005-11-11 Jie Zhang <jie.zhang@analog.com>
2545 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2546 bytes when align is 2.
2547 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2548 by the first instruction of the loop.
2550 2005-11-11 Jason Merrill <jason@redhat.com>
2553 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2556 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2558 PR rtl-optimization/22509
2559 * local-alloc.c (memref_used_between_p): Check whether a function call
2560 could not reference the memref.
2562 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
2564 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2565 algorithm so as to choose the best, not the worst, alternative.
2566 Reset accumulated register class before processing next alternative.
2568 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
2571 * calls.c (expand_call): Copy a return value to a plain register
2574 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
2577 * varasm.c (assemble_name): Recompute name only for transparent
2580 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
2582 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2584 2005-11-04 Jeff Law <law@redhat.com>
2587 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2588 perform reassociation if the parent statement will not die as
2589 a result of the optimization.
2591 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
2593 * tree-ssa-alias.c (compute_may_aliases): Remove call to
2594 delete_old_heap_vars.
2595 * tree-dfa.c (referenced_var_remove): Remove function.
2596 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2597 (delete_tree_ssa): Remove call to delete_old_heapvars.
2598 Add call to delete_alias_heapvars.
2599 * tree-flow.h (referenced_var_remove): Remove prototype
2600 (init_alias_heapvars): New prototype.
2601 (delete_alias_heapvars): Ditto.
2602 * Makefile.in (tree-ssa-structalias.o): Add
2603 gt-tree-ssa-structalias.o
2604 (GTFILES): Add tree-ssa-structalias.h and
2605 tree-ssa-structalias.c.
2606 (s-gtype): Add gt-tree-ssa-structalias.h.
2607 * tree-ssa-structalias.c (heapvars): Remove.
2608 (oldheapvars): Remove.
2609 (heapvar_for_stmt): New variable.
2610 (heapvar_lookup): New function.
2611 (heapvar_insert): Ditto.
2612 (get_constraint_for): See if we have an old heapvar
2614 (init_alias_heapvars): New function.
2615 (delete_alias_heapvars): Ditto.
2616 Add include of gt-tree-ssa-structalias.h.
2618 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2621 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2623 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
2625 * tree.c (int_fits_type_p): Only look at the base type
2626 if it has the same precision as the original type.
2628 2005-11-10 Jakub Jelinek <jakub@redhat.com>
2631 * varasm.c (assemble_alias): Use %q+D in the error
2632 message instead of %J and %qD.
2634 2005-11-10 Richard Guenther <rguenther@suse.de>
2636 * gcse.c (free_ldst_entry): Only free hashtable if
2639 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2641 * function.c (assign_stack_local_1): Issue an error message if
2642 the frame size overflows in the signed target arithmetics.
2644 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2646 * tree.c (build_qualified_type): Chain the new type to the original
2647 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2648 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2649 (build_pointer_type_for_mode): Only return unqualified types.
2650 (build_reference_type_for_mode): Likewise.
2652 2005-11-09 Jakub Jelinek <jakub@redhat.com>
2654 * Makefile.in (gnucompare): Do comparison of all files using one of
2655 the chosen methods and only afterwards decide if just warning should
2656 be issued or comparison failure raised.
2658 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2660 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2661 (noce_try_abs): Negate if the comparison is reversed.
2662 Look only one instruction backwards for a REG_EQUAL note.
2664 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2667 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2668 gthr-tpf.h: Define __gthrw. For all identifiers that might
2669 be weak, introduce weakrefs or non-weak aliases with __gthrw,
2670 and prefix all uses with __ghtrw.
2672 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
2675 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2676 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
2677 * c-common.c (handle_weakref_attribute): New.
2678 (c_common_attribute_table): Add weakref.
2679 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2681 * configure, config.in: Rebuilt.
2682 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2683 * doc/extend.texi: Document weakref attribute.
2684 * varasm.c (ultimate_transparent_alias_target): New
2685 (assemble_name): Use it.
2686 (weak_finish_1): Split out of...
2687 (weak_finish): ... and deal with weakrefs in...
2688 (weakref_targets): ... new list.
2689 (globalize_decl): Clean up weakref_targets.
2690 (do_assemble_alias): Handle weakrefs.
2691 (finish_aliases_1): Do not reject weakrefs to external symbols.
2692 (assemble_alias): Handle weakrefs.
2694 2005-11-09 Richard Guenther <rguenther@suse.de>
2696 PR tree-optimization/24716
2697 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2698 t_bool to track results from follow_ssa_edge.
2700 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2702 * final.c (force_source_line): New global variable.
2703 (final_scan_insn): Set it to true instead of clearing last_filename.
2704 (notice_source_line): Return true if force_source_line is true,
2705 unless source info is absent.
2707 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
2710 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2711 a linkage name for a variable if it a register variable.
2712 * c-decl.c (grokdeclarator): Global register variables
2713 should be set as PUBLIC.
2715 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2718 * config/s390/s390.c (struct s390_frame_layout): New fields
2719 first_save_gpr_slot and last_save_gpr_slot.
2720 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2721 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2722 first_save_gpr and last_save_gpr with the _slot variants.
2723 (s390_register_info): Calculate first_save_gpr_slot and
2724 last_save_gpr_slot using regs_ever_live.
2726 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2729 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2730 for a function containing a landing pad.
2732 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2735 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2738 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
2740 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2741 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2743 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
2746 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2748 (call,load,store): New insn types.
2749 (mem_access, branch_access): Adjust reservation conditions.
2750 (define_delay): Adjust condition.
2751 (decrement_and_branch_until_zero): Allow for ms2. Set branch
2753 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2754 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2756 (call_internal, call_value_internal, return_internal,
2757 return_interrupt_internal, eh_return_internal, indirect_jump,
2758 tablejump): Set call insn type.
2759 (blockage, ei, di): Use appropriate unspec const.
2760 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2761 (ms1_get_attr_type): Adjust to give load & store types.
2762 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
2763 backwards past a barrier.
2764 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
2766 (struct branch_info, struct label_info): New.
2768 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2769 (ms1_machine_reorg): New.
2770 (TARGET_MACHINE_DEPENDENT_REORG): Override.
2771 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2772 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2773 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2776 2005-11-09 Per Bothner <per@bothner.com>
2777 Uros Bizjak <uros@kss-loka.si>
2780 * toplev.c (process_options): Initialize debug_hooks early
2781 in case lang_hooks.post_options ends up calling a debug_hook.
2783 2005-11-08 Jakub Jelinek <jakub@redhat.com>
2785 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2786 DBX_REGISTER_NUMBER being contiguous.
2788 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
2789 Diego Novillo <dnovillo@redhat.com>
2792 * tree-vrp.c (register_edge_assert_for): Do not register
2793 always-false predicates.
2795 2005-11-08 Devang Patel <dpatel@apple.com>
2797 PR tree-optimization/23115
2798 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2801 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
2803 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2806 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
2808 Fix PR tree-optimization/23382
2810 * tree-ssa-alias.c (compute_may_aliases): Call
2811 delete_old_heap_vars.
2812 * tree-dfa.c (referenced_var_remove): New function.
2813 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2814 * tree-flow.h (referenced_var_remove): Add prototype.
2815 (delete_old_heap_vars): Ditto.
2816 * tree-ssa-structalias.c (heapvars): New variable.
2817 (oldheapvars): Ditto.
2818 (get_constraint_for): Put heap vars on heapvars list.
2819 (delete_old_heap_vars): New function.
2821 2005-11-08 Jason Merrill <jason@redhat.com>
2823 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2825 2005-11-08 Uros Bizjak <uros@kss-loka.si>
2828 * reg-stack.c (reg_to_stack): Update register liveness also
2829 for flag_sched2_use_traces.
2831 2005-11-08 Alan Modra <amodra@bigpond.net.au>
2834 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2835 override prior explicit -mno-powerpc-gfxopt.
2837 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
2839 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2840 if the bitsize is zero.
2841 * doc/md.texi (Standard Pattern Names): Document it.
2843 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2844 (TARGET_PASS_BY_REFERENCE): Likewise.
2846 2005-11-07 Ian Lance Taylor <ian@airs.com>
2848 PR rtl-optimization/24683
2849 * config/i386/i386.c (legitimize_pic_address): If constant operand
2850 to PLUS is too large, put it in a register.
2852 2005-11-07 Jie Zhang <jie.zhang@analog.com>
2854 * configure.ac: Enable checking assembler dwarf2 support for bfin
2856 * configure: Regenerate.
2858 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2862 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2863 gen_easy_vector_constant_add_self): Delete.
2864 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2866 (output_vec_const_move): Use gen_easy_altivec_constant.
2867 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2868 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2869 (easy_vector_constant_add_self): Rewritten.
2870 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2871 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2872 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2873 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2874 Macroize and adjust for the other changes.
2876 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2880 * c-typeck.c (build_c_cast): Try using a shared constant, and see
2881 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2883 2005-11-07 Jakub Jelinek <jakub@redhat.com>
2885 PR rtl-optimization/23567
2886 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2887 (noce_process_if_block): Don't do any optimizations except
2888 if (cond) x = x; if !set_b and write into orig_x may trap
2889 or fault. Remove the MEM_READONLY_P check.
2891 2005-11-06 Diego Novillo <dnovillo@redhat.com>
2894 * tree-vrp.c (fix_equivalence_set): New.
2895 (extract_range_from_assert): Call it.
2897 2005-11-05 Ian Lance Taylor <ian@airs.com>
2900 * combine.c (apply_distributive_law): Don't distribute across a
2903 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2905 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2906 config/ms1/ms1.h, config/rs6000/predicates.md,
2907 config/s390/s390.c, params.def, postreload-gcse.c,
2908 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2909 tree-vrp.c, tree.c: Fix comment typos.
2910 * doc/invoke.texi: Fix typos.
2912 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2914 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2915 for testing whether the data_dependence_relation contains distance
2916 vectors. Iterate over all distance vectors of the ddr.
2917 * lambda.h: Define a vec of lambda_vector pointers.
2918 * tree-data-ref.c (dump_data_dependence_relation,
2919 dump_data_dependence_direction): Iterate over all distance and
2920 direction vectors of the ddr.
2921 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2923 (build_classic_dist_vector, build_classic_dir_vector): Push a set
2924 of distance/direction vectors instead of a single one.
2925 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2926 lambda_vectors with a vec of lambda_vectors.
2927 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2928 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2929 DDR_NUM_DIST_VECTS): New.
2930 * tree-loop-linear.c (gather_interchange_stats): Test for the
2931 existence of distance vectors only after having checked that there
2932 is a dependence. Iterate over all distance vectors of the ddr.
2933 (linear_transform_loops): Use dump_data_dependence_relation.
2934 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2935 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
2936 distance vectors of the ddr.
2938 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
2940 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2941 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2942 IS_INTHANDLER; all callers changed.
2943 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2945 (do_link, do_unlink): New argument ALL; all callers changed.
2946 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2947 If function isn't leaf, save and restore all registers.
2948 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2951 2005-11-05 Jan Hubicka <jh@suse.cz>
2953 PR rtl-optimization/23490
2954 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2955 max-flow-memory-location): Document.
2956 * flow.c: Include params.h
2957 (MAX_MEM_SET_LIST_LEN): Kill.
2958 (add_to_mem_set_list): Use new param.
2959 * cse.c (cse_basic_block): Replace 1000 by new param.
2960 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2961 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2962 * predict.c (predict_loops): Use new param.
2963 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2965 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2966 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2967 Do not hold memory returned by cgraph_node_name across other call.
2969 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2972 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2975 2005-11-04 Jeff Law <law@redhat.com>
2978 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2979 * tree-ssa-dom.c: Include params.h.
2980 (thread_across_edge): If there are too many statements in the
2981 target block, then do not thread through it.
2982 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2983 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2985 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2988 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2989 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2991 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2994 * tree-scalar-evolution.c (instantiate_parameters_1,
2995 instantiate_parameters, resolve_mixers): Compute the size of an
2996 expression to be instantiated and give up the instantiation if the
2997 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2999 2005-11-04 Richard Guenther <rguenther@suse.de>
3001 * tree-flow.h (ref_contains_indirect_ref): Rename to
3002 array_ref_contains_indirect_ref.
3003 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3004 (array_ref_contains_indirect_ref): Make comment match the code
3006 (ref_contains_array_ref): Likewise.
3007 * tree-ssa-structalias.c (find_func_aliases): Remove call to
3008 ref_contains_indirect_ref.
3009 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3010 Rename calls to ref_contains_indirect_ref.
3012 2005-11-04 Paul Brook <paul@codesourcery.com>
3014 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3015 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3016 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3017 * config/arm/arm.md: Use match_operand in peephole input templates
3018 and match_dup in peephole output templates.
3020 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3022 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3025 2005-11-04 Mark Mitchell <mark@codesourcery.com>
3026 Daniel Jacobowitz <dan@codesourcery.com>
3028 * longlong.h (add_ssaaaa): Clobber condition code register
3030 (sub_ddmmss): Likewise.
3031 (umul_ppmm): Likewise.
3033 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3034 Paul Brook <paul@codesourcery.com>
3035 Phil Blundell <pb@reciva.com>
3037 * configure.ac: Add test for ARM TLS support.
3038 * configure: Regenerated.
3039 * config/arm/arm-protos.h (legitimize_tls_address)
3040 (arm_tls_referenced_p, tls_mentioned_p)
3041 (arm_output_addr_const_extra): New prototypes.
3042 (thumb_legitimize_pic_address): Delete.
3043 * config/arm/arm.c: Include "gt-arm.h".
3044 (enum tls_reloc): New.
3045 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3046 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3047 (arm_call_tls_get_addr, legitimize_tls_address)
3048 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3049 (arm_init_tls_builtins, arm_emit_tls_decoration)
3050 (arm_output_addr_const_extra): New functions.
3051 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3052 (TARGET_HAVE_TLS): Define.
3053 (target_thread_pointer): New.
3054 (arm_override_options): Handle -mtp=.
3055 (legitimize_pic_address): Ignore UNSPECs.
3056 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3058 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3059 (tls_get_addr_libfunc): New variable.
3060 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3061 (arm_init_builtins): Call arm_init_tls_builtins.
3062 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3063 (arm_encode_section_info): Call default_encode_section_info.
3064 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3065 (enum arm_tp_type): New.
3066 (target_thread_pointer): Add declaration.
3067 (LEGITIMATE_CONSTANT_P): Handle TLS.
3068 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3069 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3070 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3071 * config/arm/arm.md: Add UNSPEC_TLS.
3072 (movsi): Handle TLS.
3073 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3075 (tls_load_dot_plus_eight): New insn and a peephole to create it.
3076 (load_tp_hard, load_tp_soft): New insns.
3077 * arm.opt: Add -mtp=.
3078 * doc/invoke.texi (ARM Options): Document -mtp.
3080 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
3082 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3083 * config/arm/libunwind.S: Include "lib1funcs.asm".
3084 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3085 (LIB2ADDEH): Add libunwind.S.
3086 (LIB2ADDEHDEP): Add lib1funcs.asm.
3087 * mklibgcc.in: Handle asm files in libgcc_eh.a.
3089 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3092 * gcc/c.opt: Add a -lang-fortran option.
3093 * gcc/c-opts.c: Add a lang_fortran flag.
3094 (c_common_init_options): Handling the -lang-fortran option.
3095 (c_common_handle_option): Add a case for Fortran options in
3096 preprocessing. Remove cases for -ffixed-form and
3097 -ffixed-line-length. Add a case for -lang-fortran.
3099 2005-11-03 David Edelsohn <edelsohn@gnu.org>
3101 * config/rs6000/rs6000.c: Include params.h
3102 (optimization_options): Set max-grow-copy-bb-insns default to 16.
3103 (bdesc_2arg): Delete vpkuhss and vpkuwss.
3104 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3105 (UNSPEC_VPKUWSS): Delete.
3106 (altivec_vpkuhss): Delete.
3107 (altivec_vpkuwss): Delete.
3108 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3110 (neg_eq0<mode>): Remove final condition.
3111 (neg_eq<mode>): Remove condition and split-condition.
3113 2005-11-04 Alan Modra <amodra@bigpond.net.au>
3115 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3116 Use associated print macros.
3118 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3121 * diagnostic.c (diagnostic_set_info_translated): New function.
3122 (diagnostic_set_info): Use it. Add comment.
3123 * diagnostic.h (diagnostic_set_info_translated): Declare.
3125 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
3127 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3128 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3129 reference only if 'public' is true.
3130 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3131 emit the .hidden directive only if the indirect reference is public.
3132 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3133 Pass it to dw2_force_const_mem.
3134 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3135 * dwarf2out.c (output_cfi): Adjust calls to above function.
3136 (output_call_frame_info): Likewise.
3137 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3138 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3140 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
3142 PR tree-optimization/24483
3143 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3144 field to elts if possible.
3146 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3149 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3152 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
3154 Fix PR tree-optimization/24351
3156 * tree-ssa-structalias.c (struct variable_info): Add
3158 (get_varinfo_fc): New function to follow collapsing.
3159 (new_var_info): Set collapsed_to to NULL.
3160 (dump_constraint): Follow collapsing.
3161 (build_constraint_graph): Handle collapsing.
3162 (do_simple_structure_copy): Return false if something bad
3164 (collapse_rest_of_var): New function.
3165 (do_structure_copy): Collapse if do_simple_structure_copy returns
3168 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
3171 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3172 expressions to a statement list instead of gimplifying them.
3174 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3176 PR rtl-optimization/23585
3177 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3178 that can't trap plus a constant integer, if the mode has zero size.
3180 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
3183 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3185 ("*insv<mode>_reg_extimm"): Likewise.
3187 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
3190 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3191 c_common_type_for_mode returns an unnamed type.
3193 2005-11-02 Richard Henderson <rth@redhat.com>
3197 * dwarf2out.c (dwarf2out_reg_save_reg): New.
3198 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3199 * function.c (assign_parms): Use calls.internal_arg_pointer.
3200 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3202 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3203 (TARGET_CALLS): Add it.
3204 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3205 * targhooks.c (default_internal_arg_pointer): New.
3206 * targhooks.h (default_internal_arg_pointer): Declare.
3207 * tree.h (dwarf2out_reg_save_reg): Declare.
3208 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3209 * config/i386/i386.c (dbx_register_map): Add return column.
3210 (dbx64_register_map, svr4_dbx_register_map): Likewise.
3211 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3212 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3213 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3214 (ix86_save_reg): Save force_align_arg_pointer.
3215 (ix86_emit_save_regs): Make regno unsigned.
3216 (ix86_emit_save_regs_using_mov): Likewise.
3217 (ix86_expand_prologue): Handle force_align_arg_pointer.
3218 (ix86_expand_epilogue): Likewise.
3219 * config/i386/i386.h: (dbx_register_map): Update.
3220 (dbx64_register_map, svr4_dbx_register_map): Update.
3221 (struct machine_function): Add force_align_arg_pointer.
3222 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3223 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3224 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3226 2005-11-02 Jan Hubicka <jh@suse.cz>
3229 * i386.md: Add peep2 for simplyfing array accesses.
3231 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3234 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3235 * config/s390/s390.c (s390_decompose_shift_count): New function.
3236 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3237 (print_shift_count_operand): Use s390_decompose_shift_count.
3238 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3239 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
3241 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
3244 * loop.c (loop_givs_rescan): Use force_operand to expand
3247 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
3250 * fold-const.c (build_range_check): Use unsigned when signed
3251 overflow is undefined also. If etype is subtype, make sure that
3252 the subtraction is in the supertype.
3254 2005-11-02 Richard Henderson <rth@redhat.com>
3257 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3260 2005-11-01 Richard Henderson <rth@redhat.com>
3263 * loop.c (scan_loop): Do not propagate computations to a hard
3264 register destination with SMALL_REGISTER_CLASSES.
3266 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
3268 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3269 costs for MULT inside PLUS or MINUS.
3271 2005-11-01 Bob Wilson <bob.wilson@acm.org>
3273 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3274 (TRAMPOLINE_SIZE): Round up to 60.
3275 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3277 2005-10-31 James E. Wilson <wilson@specifix.com>
3280 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3281 ifdef. Put ifdefs around call in gen_subprogram_die.
3282 (compute_frame_pointer_to_cfa_displacement): Likewise.
3283 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3286 PR rtl-optimization/17356
3287 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
3288 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3290 2005-10-31 Jan Hubicka <jh@suse.cz>
3293 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3296 * i386.c (legitimize_pic_address): Deal with large immediates.
3299 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3300 from symbol names while computing checkup.
3303 * predict.c (predict_loops): Do not estimate more than
3304 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3305 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3307 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
3309 PR tree-optimization/19097
3310 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3312 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
3314 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3316 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
3319 * tree-inline.c (setup_one_parameter): If the init_stmt
3320 is NULL, don't insert the statement.
3322 2005-10-30 Jan Hubicka <jh@suse.cz>
3324 PR tree-optimization/24172
3325 * tree-inline.c (copy_body_r): Unshare the substituted value first.
3327 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
3329 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3330 constants for hosts with long != 32 bits.
3332 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
3335 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3337 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
3339 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3340 (TARGET_MS1_16_002): New.
3341 (TARGET_MS1_16_003): New.
3343 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3344 ("*decrement_and_branch_until_zero_no_clobber"): New.
3345 Add corresponding splitter for decrement_and_branch_until_zero
3347 Key all decrement_and_branch_until_zero patterns off of
3350 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
3353 * tree-complex.c (extract_component): Treat RESULT_DECL
3354 like the rest of the decls.
3356 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
3358 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3359 indirect call to _mcount if the function needs a static chain.
3361 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
3362 Caroline Tice <ctice@apple.com>
3364 PR rtl-optimization/24460
3365 * dwarf2out.c (have_switched_text_sections): New boolean variable.
3366 (dwarf2out_switch_text_section): Set it to true instead of
3367 incrementing separate_line_info_table_in_use.
3368 (output_loc_list): Additionally test have_switched_text_sections.
3369 (output_ranges): Likewise.
3370 (dwarf2out_finish): Likewise.
3371 * varasm.c (assemble_start_function): Do not call
3372 insert_section_boundary_note.
3373 (assemble_end_function): If flag_reorder_blocks_and_partition,
3374 switch to the function's section before emitting the .size directive.
3375 * bb-reorder.c (insert_section_boundary_note): Staticify.
3376 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3377 * output.h (insert_section_boundary_note): Delete.
3379 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
3382 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3383 instead of pointer equality when comparing types.
3385 2005-10-24 James E. Wilson <wilson@specifix.com>
3387 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3388 add_dependence_list_and_free calls.
3390 2005-10-24 Steven Bosscher <stevenb@suse.de>
3392 * contrib.texi: Add the names of the LLNL folks who donated
3393 Cray pointer support for gfortran.
3395 2005-10-24 Steven Bosscher <stevenb@suse.de>
3397 PR tree-optimization/24225
3398 * profile.c (branch_prob): Look from end to start through a
3399 basic block when looking for a locus.
3401 2005-10-24 Richard Henderson <rth@redhat.com>
3403 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3405 (hppa_expand_prologue): Likewise.
3407 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3409 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3410 (NO_DEFERRED_PROFILE_COUNTERS): Define.
3411 * pa.h (NO_PROFILE_COUNTERS): Define.
3412 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3413 (funcdef_nos): New vector to hold label numbers of deferred profile
3415 (output_deferred_profile_counters): New function.
3416 (hppa_profile_hook): Push label number onto funcdef_nos.
3417 (pa_hpux_file_end): Call output_deferred_profile_counters if
3418 NO_DEFERRED_PROFILE_COUNTERS is false.
3420 * pa-protos.h (get_deferred_plabel): New prototype.
3421 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
3423 (output_call): Adjust calls.
3425 2005-10-24 Alan Modra <amodra@bigpond.net.au>
3427 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3428 peculiarity of GOT/TOC section usage.
3430 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
3433 * c-common.c (constant_string_class_name): Add documentation.
3435 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
3438 * recog.c (peephole2_optimize): Increment peep2_current_count
3439 only when the slot is empty.
3441 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3444 * except.c (output_function_exception_table): Call
3445 assemble_external_libcall if we need a personality function.
3447 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3449 PR rtl-optimization/24460
3450 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3451 set the basic block for barriers.
3453 2005-10-21 Janis Johnson <janis187@us.ibm.com>
3455 * var-tracking.c (vt_initialize): Initialize post.
3457 2005-10-21 Devang Patel <dpatel@apple.com>
3460 * c-common.c (vector_types_convertible_p): Check vector element type.
3462 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
3464 * config/sh/sh.c (prepare_move_operands): Handle the address
3465 constant which is a tls symbolic address plus a constant.
3467 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
3470 * gcc.c (main): Use the correct counter for erroring out
3471 about mulitple files.
3473 2005-10-21 Alan Modra <amodra@bigpond.net.au>
3476 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3477 use r2 for 64-bit tls .got access.
3479 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
3481 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3484 2005-10-20 Steven Bosscher <stevenb@suse.de>
3486 PR tree-optimization/24307
3487 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3489 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
3492 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3494 * varasm.c (find_decl_and_mark_needed): After cgraph global info
3495 is ready, stop marking functions, but still mark variables.
3497 2005-10-20 Richard Guenther <rguenther@suse.de>
3500 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3503 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
3505 PR rtl-optimization/23585
3506 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3507 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
3508 (may_trap_p_1): New predicate extracted from...
3509 (may_trap_p): ... here. Invoke may_trap_p_1.
3510 (may_trap_or_fault_p): New predicate.
3511 * rtl.h (may_trap_or_fault_p): Declare it.
3512 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3513 instead of may_trap_p.
3514 (steal_delay_list_from_fallthrough): Likewise.
3515 (fill_simple_delay_slots): Likewise.
3516 (fill_slots_from_thread): Likewise.
3517 * function.c (pad_to_arg_alignment): Rework comment about
3518 SPARC_STACK_BOUNDARY_HACK.
3519 * config/sparc/sparc.h: Likewise.
3521 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
3523 * config/s390/s390.c (s390_expand_insv): New.
3524 * config/s390/s390-protos.h (s390_expand_insv): Declare.
3525 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3526 ("icm_hi"): Remove mode attribute.
3527 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3529 ("*extracthi", "*extractqi"): Remove.
3530 (extv<mode>", "*extzv<mode>"): New.
3531 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3532 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3534 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3536 * cfgexpand.c (discover_nonconstant_array_refs_r,
3537 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3538 (tree_expand_cfg): Call discover_nonconstant_array_refs.
3539 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3540 discover_nonconstant_array_refs.
3542 2005-10-19 Steven Bosscher <stevenb@suse.de>
3545 * c-decl.c (pop_scope): Don't warn about an unused variable
3546 if it is marked with TREE_NO_WARNING.
3547 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3548 somenow mismatch and olddecl is to be replaced.
3550 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
3553 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3554 whether registers live on the edge can be saved/restored.
3556 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
3558 * config/sh/sh.c (fixup_mova): Skip notes.
3560 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3562 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3563 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3564 (s390_can_eliminate): Handle BASE_REGNUM elimination.
3565 (s390_initial_elimination_offset): Likewise.
3566 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3567 register on TARGET_ZARCH targets.
3568 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3569 (INITIAL_FRAME_POINTER_OFFSET): Remove.
3570 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3571 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3573 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3575 * config/s390/s390.md: Comment describing output modifiers updated.
3576 * config/s390/s390.c (print_operand): Likewise.
3578 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3580 * config/s390/s390.c (override_options): Added check for -mstack-size
3582 * doc/invoke.texi: Mention that limit in the documenation.
3584 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
3587 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3589 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
3591 Fix PR tree-optimization/24231
3593 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3594 (compute_avail): Ditto.
3596 2005-10-18 Richard Henderson <rth@redhat.com>
3599 * config/i386/i386.c (legitimate_constant_p): Check
3600 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
3602 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3603 (legitimate_pic_address_disp_p): Reorg CONST checking to make
3604 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
3606 (print_operand_address): Likewise.
3607 * config/i386/predicates.md (x86_64_immediate_operand): Test
3608 SYMBOL_REF_TLS_MODEL properly inside CONST.
3609 (x86_64_zext_immediate_operand): Likewise.
3610 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3611 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3612 * config/i386/i386-protos.h: Remove predicates.md entries.
3614 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
3616 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3617 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3619 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
3620 Ian Lance Taylor <ian@airs.com>
3623 * fold-const.c (fold_widened_comparison): Do not allow range based
3624 constant folding when right operand cannot be unwidened.
3626 2005-10-17 Richard Henderson <rth@redhat.com>
3628 * builtins.c (expand_builtin_synchronize): Build a new-style asm
3629 with a memory clobber.
3631 2005-10-17 James E Wilson <wilson@specifix.com>
3633 PR rtl-optimization/17356
3634 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3635 checking for EDGE_EH.
3637 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
3639 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3640 the slot on an even boundary for any type with 16-byte alignment.
3642 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
3645 * md.texi (Modifiers) <%>: Clarify that % doesn't work
3646 after register allocation.
3648 2005-10-17 DJ Delorie <dj@redhat.com>
3650 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3653 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
3656 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3659 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
3661 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3662 to 2 if it's already non-zero.
3663 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3664 is set and warn about it if flag_schedule_insns is 1.
3666 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
3668 * config/crx/crx.md: Compare-and-branch instructions need to
3671 2005-10-17 Uros Bizjak <uros@kss-loka.si>
3674 * config/i386/i386.md (*pushdi2_rex64 splitter)
3675 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3676 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3677 flow2 pass only when (optimize > 0 && flag_peephole2).
3679 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
3682 * gcc.c (have_c): New static variable.
3684 (process_command): Remove declation of have_c.
3685 Set have_o to 1 when handling -o.
3686 (main): Add a fatel error if there are multiple
3687 files specified and -o and -c/-S is passed witout
3688 -combine or multiple languages.
3690 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
3692 Fix PR tree-optimization/22444
3693 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3694 Assert that we don't hit something with subvars.
3695 (setup_pointers_and_addressables): Don't add things with subvars,
3696 because we'll already process the subvars for aliasing purposes.
3698 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
3701 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3702 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3703 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3704 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3705 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3706 swapped, alternatives for the R constraint.
3709 * builtins.c (get_builtin_sync_mode): Make unlimited
3710 mode_for_size request.
3712 2005-10-15 Richard Henderson <rth@redhat.com>
3714 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3715 (gimplify_expr): ... here.
3716 (gimplify_compound_lval): Use it in initial scan loop. Allow
3717 fb_lvalue in base expression.
3719 2005-10-15 Richard Henderson <rth@redhat.com>
3722 * builtins.c (expand_builtin_trap): Export.
3723 * expr.h (expand_builtin_trap): Declare.
3724 * expr.c (expand_assignment): Emit a trap for integral offsets
3725 from registers that weren't reduced to bitpos.
3727 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3728 (mark_array_ref_addressable): Remove.
3729 * tree-flow.h (mark_array_ref_addressable): Remove.
3730 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3732 2005-10-15 James E Wilson <wilson@specifix.com>
3735 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
3736 (add_dependence_list_and_free): Likewise.
3737 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3740 2005-10-15 Diego Novillo <dnovillo@redhat.com>
3744 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3745 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3747 (vrp_visit_phi_node): Only prevent infinite iterations when
3748 the previous result and the new result are both VR_RANGEs.
3750 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
3752 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3755 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3758 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3761 2005-10-14 Per Bothner <per@bothner.com>
3763 PR preprocessor/21250
3764 * c-ppoutput.c (print_line): Print internal line 0 as 1.
3766 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
3769 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3770 overflow flags. Refactor some conditionals.
3772 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
3775 * tree-dfa.c (add_referenced_var): Only look at decls which
3776 have TREE_CONSTANT or TREE_READONLY set instead of if
3777 !TREE_PUBLIC or !TREE_CONSTANT.
3779 2005-10-13 James E Wilson <wilson@specifix.com>
3781 * doc/invoke.texi: For -x, add f95-cpp-input.
3782 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3784 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
3786 PR tree-optimization/24262
3787 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3788 in loop all the time.
3790 2005-10-12 Richard Henderson <rth@redhat.com>
3793 * tree.h (DECL_TRANSPARENT_UNION): Remove.
3794 * function.c (assign_parm_find_data_types): Don't support it.
3795 * print-tree.c (print_node): Likewise.
3796 * c-common.c (handle_transparent_union_attribute): Likewise.
3797 Use build_duplicate_type.
3798 * tree-inline.c (remap_type_1): Split out of remap_type;
3799 properly remap aggregate fields.
3800 (build_duplicate_type): New.
3801 * doc/extend.texi (Variable Attributes): Remove documentation
3802 for transparent_union.
3804 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3807 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3808 (gen_stack_pointer_dec): Likewise.
3810 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
3814 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3816 (struct cxx): Add adjust_class_at_definition target hook.
3817 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3818 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3819 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3820 hook_void_tree. Add to TARGET_CXX.
3821 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3823 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3824 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3825 instead of attribute. Check for dllexport override. Warn if
3826 inconsistent dll linkage. Don't lose old dllimport if decl has
3827 had address referenced. Tweak lookup of dllimport atribute.
3828 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3829 for target specific rules. Don't add dllimport attribute if
3830 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
3831 dllimport attribute.
3832 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3833 * varasm.c (initializer_constant_valid_p): Replace
3834 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3838 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3839 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3840 (i[34567]86-*-mingw32*): Likewise.
3842 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3843 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3845 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3846 C++-specific code. Change return value to bool.
3847 (i386_pe_dllimport_p): Likewise.
3848 (associated_type): Simplify and make language-independent
3849 (i386_pe_encode_section_info): Replace override of ambiguous
3850 dllimport symbol refs with a gcc_assert.
3851 (i386_pe_valid_dllimport_attribute_p): Define.
3852 * config/i386/winnt-cxx.c: New file. Define C++ versions of
3853 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3854 i386_pe_adjust_class_at_definition.
3855 * config/i386/winnt-stubs.c: New file. Define stub versions of
3856 lang-specific functions.
3857 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3858 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3859 i386_pe_adjust_class_at_definition.
3860 (i386_pe_valid_dllimport_attribute_p): Declare.
3861 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3862 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3863 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3866 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3867 dllimport attribute with test of DECL_DLLIMPORT_P.
3869 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
3871 * combine.c (make_extraction): Correct offset computation.
3873 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
3875 * config/cris/t-linux (LIMITS_H_TEST): Define.
3877 2005-10-12 Richard Henderson <rth@redhat.com>
3880 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3882 2005-10-12 Richard Guenther <rguenther@suse.de>
3884 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3886 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
3889 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3890 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3893 2005-10-12 Richard Guenther <rguenther@suse.de>
3896 * varasm.c (output_constant): Correct typo from previous
3899 2005-10-11 Ian Lance Taylor <ian@airs.com>
3901 PR rtl-optimization/13931
3902 * combine.c: Revert patch of 2003-05-14, and:
3903 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3904 completely killed in the appropriate insn.
3905 (distribute_notes): Don't skip multiple hard register test for
3906 elim_i1 and elim_i2.
3908 2005-10-11 Richard Henderson <rth@redhat.com>
3911 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3912 to initialize a transparent union instead of a nop_expr.
3914 2005-10-11 Richard Henderson <rth@redhat.com>
3916 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3917 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3918 (tree_ssa_dce_loop): Call scev_reset.
3921 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3922 * tree-ssa-dce.c: Include cfgloop.h.
3923 (tree_ssa_dce_loop, pass_dce_loop): New.
3924 * tree-pass.h (pass_dce_loop): Declare it.
3925 * passes.c (init_optimization_passes): Use it.
3927 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3930 * convert.c (convert_to_real): Revert 2005-10-05 patch.
3931 Only apply the optimization for rounding builtins if the inner
3932 cast is also an extension.
3934 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
3937 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3938 mark_new_vars_to_rename instead of update_stmt.
3940 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
3942 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3944 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3946 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3947 for setting MMX register to 0 rather than mmx.
3949 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3952 * configure.ac: Move gas check from mips specific case to common case.
3953 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3954 * configure: Regenerate
3955 * doc/install.texi: Update.
3957 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3960 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3962 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3964 * gcc.c (do_spec_1): Accept numeric characters in file name
3967 2005-10-10 Nick Clifton <nickc@redhat.com>
3969 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3970 describing the deleted arm_gen_rotated_half_load function.
3972 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3974 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3977 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3979 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3981 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3982 (EXTRA_MULTILIB_PARTS): Define.
3983 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3984 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3985 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3986 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3987 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3988 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3990 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3992 PR tree-optimization/24226
3993 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3994 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3995 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3998 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4000 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4002 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
4005 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4006 Rewrite for no need for the early clobber.
4008 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4010 Merge from csl-arm-branch:
4011 2005-09-07 Paul Brook <paul@codesourcery.com>
4012 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4015 2005-04-30 Paul Brook <paul@codesourcery.com>
4016 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4017 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4019 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
4020 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4021 (arm_override_options): Use TARGET_AAPCS_BASED.
4022 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4023 (PTRDIFF_TYPE): Use int for AAPCS.
4024 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4025 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4026 (DEFAULT_SHORT_ENUMS): Delete.
4027 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4029 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
4030 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4031 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4032 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4034 2004-12-03 Mark Mitchell <mark@codesourcery.com>
4035 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4037 2004-11-22 Mark Mitchell <mark@codesourcery.com>
4038 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4040 2004-11-19 Mark Mitchell <mark@codesourcery.com>
4041 * config.gcc (arm*-*-linux-gnueabi): Add it.
4042 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4044 (TARGET_OS_CPP_BUILTINS): Likeiwse.
4045 * config/arm/linux-eabi.h: New file.
4046 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4047 (LINUX_TARET_LINK_SPEC): Likewise.
4048 (LINK_SPEC): Use it.
4049 * config/arm/t-linux-eabi: New file.
4051 2005-10-08 Steven Bosscher <stevenb@suse.de>
4054 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4056 (PARAM_SMS_DFA_HISTORY): Likewise.
4058 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
4061 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4062 (load_register_parameters): Call it.
4063 (check_sibcall_argument_overlap_1): Likewise.
4064 (store_one_arg): Likewise.
4066 2005-10-07 James E. Wilson <wilson@specifix.com>
4068 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4069 DImode not VECINT24 for operand 2.
4072 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4076 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4077 fr_spill): Use destination_operand for operand 0.
4079 2005-10-07 DJ Delorie <dj@redhat.com>
4081 * varasm.c (output_constant): Limit error to expanding
4084 2005-10-07 Richard Guenther <rguenther@suse.de>
4087 * fold-const.c (fold_binary): Fix operand types during folding
4088 of X op (A, Y). Evaluation order of the side-effects of
4089 X and A are frontend-defined, so ensure we honour that even for
4090 tcc_comparison class operands; eased by removing duplicate code.
4092 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4094 * stor-layout.c (layout_type): Do not allow alignment of array
4095 elements to be greater than their size.
4097 2005-10-07 Steve Ellcey <sje@cup.hp.com>
4099 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4101 (hppa*-*-linux*): Ditto.
4102 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4103 * config/host-hpux.c: New.
4104 * config/x-hpux: New.
4105 * config/pa/x-hpux: Remove.
4106 * config/pa/x-linux: Remove.
4107 * config/pa/pa-host.c: Remove.
4109 2005-10-07 Jeff Law <law@redhat.com>
4111 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4112 determine whether or not to try and thread outgoing edges.
4114 2005-10-07 David Edelsohn <edelsohn@gnu.org>
4116 * config/rs6000/rs6000.md (eqsi_power): New.
4117 (neg_eq0si): Add TARGET_POWER to final condition.
4120 2005-10-06 Richard Henderson <rth@redhat.com>
4122 * config/rs6000/rs6000.c: Revert last change.
4124 2005-10-06 Richard Henderson <rth@redhat.com>
4126 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4127 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4129 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
4133 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4134 out return_label and naked_return_label.
4136 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4138 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4141 2005-10-06 Richard Henderson <rth@redhat.com>
4144 * tree-inline.c (declare_return_variable): Handle modify_dest not
4147 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
4149 Fix PR tree-optimization/22488
4150 * tree-ssa-structalias.c (check_for_overlaps): New function.
4151 (create_variable_info_for): Use it.
4153 2005-10-06 Richard Henderson <rth@redhat.com>
4156 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4157 (dwarf2out_start_source_file): Print it.
4159 2005-10-06 Geoffrey Keating <geoffk@apple.com>
4161 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4163 2005-10-06 Richard Henderson <rth@redhat.com>
4166 * mode-switching.c (optimize_mode_switching): Clear transp bit
4167 for block with incomming abnormal edges.
4169 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4170 (fpscr_set_from_mem): Use them.
4171 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4172 (fpscr postinc splitters): Rewrite as peephole2+split.
4174 2005-10-06 David Edelsohn <edelsohn@gnu.org>
4176 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4177 (eq<mode>_compare): Same.
4179 2005-10-06 Richard Guenther <rguenther@suse.de>
4181 PR tree-optimization/24238
4182 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4184 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
4186 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4187 here. Use AC_PATH_PROG for environment variables instead of
4189 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
4191 * configure: Regenerated.
4193 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
4196 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4197 then force it into a register.
4198 (call_value): Likewise.
4200 2005-10-06 Richard Henderson <rth@redhat.com>
4203 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4204 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
4205 under pass_vectorize.
4207 2005-10-05 Devang Patel <dpatel@apple.com>
4210 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4211 handling constants. Check NAMESPACE_DECL context for constants.
4213 2005-10-05 Eric Christopher <echristo@apple.com>
4215 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4217 2005-10-05 Richard Henderson <rth@redhat.com>
4220 * tree-cfg.c (mark_array_ref_addressable_1): New.
4221 (mark_array_ref_addressable): New.
4222 * tree-flow.h (mark_array_ref_addressable): Declare.
4223 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4225 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
4229 * reload.c (subst_reloads): When adding a REG_LABEL to a
4230 jump instruction, also update JUMP_LABEL.
4232 2005-10-05 David Edelsohn <edelsohn@gnu.org>
4234 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4235 * bb-reorder.c (copy_bb_p): Use it.
4236 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4238 2005-10-05 Richard Henderson <rth@redhat.com>
4241 * toplev.c (process_options): Warn about unsupported combinations
4242 of unwind tables and omit-frame-pointer.
4243 * config/i386/i386.c (override_options): Similarly. Enable
4244 accumulate-outgoing-args if not explicitly disabled.
4246 2005-10-05 Steve Ellcey <sje@cup.hp.com>
4248 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4249 Handle big endian vs. small endian.
4250 (vec_initv2sf): Handle big endian vs. small endian.
4251 (*vec_extractv2sf_1): Ditto.
4253 2005-10-05 Dale Johannesen <dalej@apple.com>
4255 * convert.c (convert_to_real): Don't convert
4256 (float)floor(double d) to floorf((float)d).
4258 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
4260 * config/arm/arm.md (insv): Use gen_int_mode in more places.
4262 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
4264 PR tree-optimization/18587
4265 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4266 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4267 build_vuses): Change to VEC type.
4268 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4269 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4270 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4271 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4272 (get_name_decl): New. Return DECL_UID of base variable.
4273 (operand_build_cmp): New. qsort comparison routine.
4274 (operand_build_sort_virtual): New. Sort virtual build vector.
4275 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4276 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4277 (FINALIZE_BASE): Use get_name_decl.
4278 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4279 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4280 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4281 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4282 direct VEC_* manipulations.
4283 (build_ssa_operands): Call operand_build_sort_virtual.
4284 (copy_virtual_operand, create_ssa_artficial_load_stmt,
4285 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4286 with direct VEC_* manipulations.
4287 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4288 with direct VEC manipulations.
4290 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
4292 PR tree-optimization/21419
4293 PR tree-optimization/24146
4294 PR tree-optimization/24151
4296 * c-typeck.c (readonly_error): Handle USE being lv_asm.
4297 (build_asm_expr): Call it if outputs are read-only.
4298 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4300 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
4301 Paolo Bonzini <bonzini@gnu.org>
4305 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4306 enable the instructions and not just the built-ins.
4307 * doc/invoke.texi (x86 Options): Likewise.
4309 2005-10-04 Geoffrey Keating <geoffk@apple.com>
4311 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4313 * doc/invoke.texi (Option Summary): Correct spelling
4314 of -mmacosx-version-min.
4316 2005-10-04 Devang Patel <dpatel@apple.com>
4318 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4321 2005-10-04 Steve Ellcey <sje@cup.hp.com>
4323 * tree-vect-transform.c (vect_create_epilog_for_reduction):
4324 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4326 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
4328 * config/s390/s390.md ("TDSI","DP"): New mode macros.
4329 ("TE","tg"): New mode attributes.
4330 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4331 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4332 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4333 dword_mode and one for GPRmode.
4335 2005-10-04 Ian Lance Taylor <ian@airs.com>
4337 PR preprocessor/13726
4338 * c-ppoutput.c (cb_include): Add comments parameter, and print out
4339 any comments passed in.
4341 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4343 * tree.c (annotate_with_file_line): Fix typo.
4345 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4348 * builtins.c (fold_builtin_memcmp): When constructing the pointer
4349 type used to access data in the inlined length == 1 case, use
4350 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4351 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4353 2005-10-04 Uros Bizjak <uros@kss-loka.si>
4355 * config/i386/i386.h (TARGET_FISTTP): Enable also for
4356 TARGET_SSE3 and only for TARGET_80387.
4357 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4358 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4359 Do not depend on TARGET_80387.
4361 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4363 * tree.c (last_annotated_node): Change type to location_t*.
4364 (annotate_with_file_line): Reflect the change of
4365 last_annotated_node type.
4367 2005-10-04 Richard Guenther <rguenther@suse.de>
4370 * c-decl.c (grokdeclarator): Don't write to fields
4373 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
4376 * c-decl.c (finish_decl): Use set_user_assembler_name even for
4378 * varasm.c (make_decl_rtl): If a register variable does not
4379 have a set user assmbler name, error out.
4380 Decode the asmspec is now name+1 bypassing '*'.
4382 2005-10-04 Steven Bosscher <stevenb@suse.de>
4384 PR tree-optimization/23049
4385 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4386 of a COND_EXPR is folded before calling fold on the whole rhs of a
4387 conditional assignment.
4388 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4389 document that a COND_EXPR may appear there.
4391 2005-10-03 Diego Novillo <dnovillo@redhat.com>
4394 * tree-vrp.c (extract_range_from_assert): If the new numeric
4395 range created out of the assertion contradicts the existing
4396 numeric range of the ASSERT_EXPR variable, make the new range
4399 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
4401 * config/sh/sh.c (sh_register_move_cost): Add case for moving
4402 from T_REGS to FP register class.
4404 2005-10-03 Richard Henderson <rth@redhat.com>
4407 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4408 before creating a new one.
4410 2005-10-03 David Edelsohn <edelsohn@gnu.org>
4412 * config/rs6000/t-aix43 (LDFLAGS): New.
4413 * config/rs6000/t-aix52 (LDFLAGS): New.
4415 2005-10-03 Ian Lance Taylor <ian@airs.com>
4417 * gimplify.c (find_single_pointer_decl_1): New static function.
4418 (find_single_pointer_decl): New static function.
4419 (internal_get_tmp_var): For a formal variable, set restrict base
4420 information if appropriate.
4421 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4423 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4424 (DECL_GET_RESTRICT_BASE): Define.
4425 (SET_DECL_RESTRICT_BASE): Define.
4426 (decl_restrict_base_lookup): Declare.
4427 (decl_restrict_base_insert): Declare.
4428 (struct tree_decl_with_vis): Add based_on_restrict_p field.
4429 * tree.c (restrict_base_for_decl): New static variable.
4430 (init_ttree): Initialize restrict_base_for_decl.
4431 (copy_node_stat): Copy restrict base information.
4432 (decl_restrict_base_lookup): New function.
4433 (decl_restrict_base_insert): New function.
4434 (print_restrict_base_statistics): New static function.
4435 (dump_tree_statistics): Call print_restrict_base_statistics.
4437 2005-10-02 Diego Novillo <dnovillo@redhat.com>
4440 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4441 case of anti-ranges.
4443 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
4446 * c-typeck.c (tagged_tu_seen): Rename to ...
4447 (tagged_tu_seen_cache): this and add val field.
4448 (comptypes): Move functional to comptypes_internal
4449 and free tagged_tu_seen.
4450 (comptypes_internal): New function and call comptypes_internal
4451 instead of comptypes. Speed up by sibcalling
4452 tagged_types_tu_compatible_p.
4453 (alloc_tagged_tu_seen): New function
4454 (free_all_tagged_tu_seen_up_to): New function.
4455 (tagged_types_tu_compatible_p): Return the val of the seen two
4457 Add that the two types are the same to tagged_tu_seen_base
4458 if they are and call comptypes_internal instead of comptypes.
4459 <case UNION_TYPE>: Speed up common type where the fields are
4461 (function_types_compatible_p): Call comptypes_internal instead of
4463 (type_lists_compatible_p): Likewise.
4464 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4466 2005-10-02 Matthias Klose <doko@debian.org>
4468 * doc/invoke.texi: Fix typo and speling error.
4470 2005-10-01 Richard Henderson <rth@redhat.com>
4472 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4474 2005-10-01 Mark Mitchell <mark@codesourcery.com>
4476 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4477 using --start-group and --end-group.
4479 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4481 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4482 FIXME note regarding quirky semantics.
4484 2005-10-01 Diego Novillo <dnovillo@redhat.com>
4487 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4488 non-null range as a last resort.
4490 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
4491 Diego Novillo <dnovillo@redhat.com>
4494 * tree-vrp.c (extract_range_from_assert): For !=
4495 assertions, only build an anti-range if LIMIT is a
4496 single-valued range.
4498 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
4500 * arm.md (movqi): On thumb when optimizing, handle loading from
4501 memory by describing this as taking a subreg of a zero-extended load
4502 into an SImode register.
4505 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
4507 * reload1.c (merge_assigned_reloads): Do not change any
4508 RELOAD_FOR_OUTPUT_ADDRESS reloads.
4510 2005-09-30 Geoffrey Keating <geoffk@apple.com>
4512 * Makefile.in (LIPO_FOR_TARGET): Define.
4513 (STRIP_FOR_TARGET): Define.
4515 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4516 before creating new ones. Do symlinks before creating the actual
4519 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4520 to work out which multilibs are actually being built.
4522 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
4524 * tree-vect-transform.c, config/ms1/ms1.md,
4525 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4526 Follow spelling conventions.
4527 * doc/invoke.texi, doc/md.texi: Fix typos.
4529 2005-09-30 Andrew Macleod <amacleod@redat.com>
4531 PR tree-optimization/21430
4532 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4533 use operands, and set stmt pointer if need be.
4534 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4535 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4538 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4541 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4543 2005-09-29 Mark Mitchell <mark@codesourcery.com>
4545 * optabs.c (expand_binop): Initialize first_pass_p.
4547 2005-09-29 Jakub Jelinek <jakub@redhat.com>
4550 * c-decl.c (c_write_global_declarations_1): If any
4551 wrapup_global_declaration_2 call returned true, restart the loop.
4553 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
4555 Fix PR tree-optimization/24117
4556 * tree-ssa-structalias.c (find_func_aliases): Strip nops
4557 before considering whether to use anyoffset.
4559 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4563 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4565 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4567 (swap_commutative_operands_with_target): New.
4569 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
4572 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4575 2005-09-29 Steven Bosscher <stevenb@suse.de>
4577 PR tree-optimization/23911
4578 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4579 and IMAGPART_EXPR too.
4581 2005-09-28 Mark Mitchell <mark@codesourcery.com>
4584 * expmed.c (expand_shift): Move logic to reverse rotation
4585 direction when rotating by constants ...
4586 * optabs.c (expand_binop): ... here.
4587 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4588 (ix86_rotrdi3): New pattern.
4589 (rotldi3): Handle 32-bit mode.
4590 (ix86_rotldi3): New pattern.
4592 2005-09-29 Alan Modra <amodra@bigpond.net.au>
4595 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4596 check for numbers that need no bit twiddle.
4598 2005-09-28 Geoffrey Keating <geoffk@apple.com>
4600 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4601 multilib to be built.
4603 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4604 (stage1-start): Delete old libgcc and libunwind before moving
4605 anything into the stage directory.
4606 (stage2-start): Likewise.
4607 (stage3-start): Likewise.
4608 (stage4-start): Likewise.
4609 (stageprofile-start): Likewise.
4610 (stagefeedback-start): Likewise.
4611 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4612 header in tm_file and CPU-specific t-darwin in tmake_file.
4613 (i[34567]86-*-darwin*): Don't change tm_file.
4614 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4615 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4616 shared library stub for target OS version.
4617 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4618 (SHLIB_LINK): Don't make SHLIB_SOLINK.
4619 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4620 (libgcc_s.%.dylib): New.
4622 (install-darwin-libgcc-stubs): New.
4623 (INSTALL_LIBGCC): New append.
4624 * config/i386/darwin-libgcc.10.4.ver: New.
4625 * config/i386/darwin-libgcc.10.5.ver: New.
4626 * config/i386/t-darwin: New.
4627 * config/rs6000/darwin-libgcc.10.4.ver: New.
4628 * config/rs6000/darwin-libgcc.10.5.ver: New.
4629 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4630 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4632 2005-09-28 Paul Brook <paul@codesourcery.com>
4634 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4637 2005-09-28 Richard Guenther <rguenther@suse.de>
4639 PR tree-optimization/23853
4640 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4641 host_integerp to verify misalignment value.
4643 2005-09-28 Richard Henderson <rth@redhat.com>
4645 * builtins.c (get_builtin_sync_mode): New.
4646 (expand_builtin_sync_operation): Pass in mode argument.
4647 (expand_builtin_compare_and_swap): Likewise.
4648 (expand_builtin_lock_test_and_set): Likewise.
4649 (expand_builtin_lock_release): Likewise.
4650 (expand_builtin): Update to match.
4652 2005-09-28 Nick Clifton <nickc@redhat.com>
4654 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4655 formatting. Add check to PLUS case to ensure that the offset is
4656 within an acceptable range.
4658 * config/v850/v850.md (casesi): Disable the generation of the
4659 switch pattern as it is not being handled properly at the moment.
4661 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4662 for when the high words are identical.
4664 2005-09-27 Richard Henderson <rth@redhat.com>
4666 * pretty-print.c (pp_base_format): Fix typo for %>.
4668 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
4669 Devang Patel <dpatel@apple.com>
4671 PR tree-optimization/23625
4672 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4673 LABEL_EXPR, assertion check.
4675 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
4677 * optabs.c (no_conflict_move_test): Check if a result of a
4678 to-be-moved insn would be clobbered by an originally
4681 2005-09-27 Jeff Law <law@redhat.com>
4683 * passes.c (init_optimization_passes): Replace copy propagation
4684 passes immediately after DOM with phi-only copy propagation
4685 pases. Add phi-only copy propagation pass after first DOM pass.
4686 * tree-pass.h (pass_phi_only_copy_prop): Declare.
4687 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4688 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4689 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
4690 to init_copy_prop. Callers updated.
4691 (do_phi_only_copy_prop): New function.
4692 (pass_phi_only_copy_prop): New pass descriptor.
4694 2005-09-27 Nick Clifton <nickc@redhat.com>
4696 * libgcc2.c (__popcount_tab): Remove redundant prototype.
4698 2005-09-26 Jason Merrill <jason@redhat.com>
4701 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4703 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4705 2005-09-26 James E Wilson <wilson@specifix.com>
4707 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4708 copyright. Add gcc copyright plus libgcc exception.
4709 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
4711 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4713 2005-09-26 Jeff Law <law@redhat.com>
4715 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4716 about when to iterate.
4718 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
4721 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4722 for __complex__ double in -mcpu=G5 mode.
4724 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
4726 PR tree-optimization/23942
4727 * Makefile.in (SCEV_H): Depends on PARAMS_H.
4728 * tree-scalar-evolution.c: Include params.h.
4730 (follow_ssa_edge, follow_ssa_edge_in_rhs,
4731 follow_ssa_edge_in_condition_phi_branch,
4732 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4733 Change return type to t_bool. Use a parameter to limit the size of
4734 trees that are walked before stopping
4735 (analyze_evolution_in_loop): Initialize the limit to 0.
4736 (follow_ssa_edge): Give up by returning t_dont_know if the limit
4737 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4739 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4742 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4743 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4745 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
4747 * combine.c (make_extraction): Check for valid use of subreg.
4749 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4752 * config/i386/i386.md ("*fistdi2_1"): New pattern.
4753 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4754 ("fist<mode>2_with_temp"): Use only register operands.
4756 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
4758 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4759 CALL_INSN_FUNCTION_USAGE.
4761 2005-09-26 Richard Guenther <rguenther@suse.de>
4764 * gcse.c: Include hashtab.h, define ldst entry hashtable.
4765 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4766 (ldst_entry): Use the hashtable instead of list-walking.
4767 (find_rtx_in_ldst): Likewise.
4768 (free_ldst_entry): Free the hashtable.
4769 (compute_ld_motion_mems): Create the hashtable.
4770 (trim_ld_motion_mems): Remove entry from hashtable if
4771 removing it from list.
4772 (compute_store_table): Likewise^2.
4773 (store_motion): Free hashtable in case we did not see
4776 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
4778 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4779 and arg1 if we are passing them to fold_build2.
4781 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
4784 * config/i386/i386.c (ix86_function_regparm): Fix the test for
4787 2005-09-25 Richard Henderson <rth@redhat.com>
4789 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4790 SYMBOL_REF_TLS_MODEL to be correct.
4792 2005-09-24 Richard Henderson <rth@redhat.com>
4794 * ipa-type-escape.c (discover_unique_type): Remove dead code at
4795 end of function. Reindent.
4797 2005-09-24 Ian Lance Taylor <ian@airs.com>
4799 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4800 NEGATE_EXPR/BIT_NOT_EXPR case.
4802 2005-09-24 Richard Henderson <rth@redhat.com>
4804 * c-common.c (handle_mode_attribute): When not modifying in place,
4805 create subtypes for enumerations.
4806 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4807 * gimplify.c (create_tmp_from_val): Likewise.
4809 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
4811 * config/i386/i386.md (*tls_global_dynamic_64,
4812 *tls_local_dynamic_base_64): Add missing mode to call.
4813 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4815 2005-09-24 Jan Hubicka <jh@suse.cz>
4817 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4818 (cgraph_clone_node): Likewise.
4819 * cgraph.h (cgraph_clone_edge): Update prototype.
4820 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4821 duplicated prototypes; add updating argument.
4822 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4823 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4825 (cgraph_mark_inline_edge): Likewise.
4826 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4827 (cgraph_flatten_node): Likewise.
4828 (cgraph_decide_recursive_inlining): Likewise.
4829 (cgraph_decide_inlining_of_small_function): Likewise.
4830 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4832 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4833 Pete Steinmetz <steinmtz@us.ibm.com>
4835 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4836 (rldic.): Set type to "compare".
4838 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
4839 mfjmpr for MFCTR/MFLR.
4840 (movdf_hardfloat64): Same.
4841 (movdf_softfloat64): Same. Correct order of store and move types.
4842 (movti_string): Set type to store_ux/load_ux.
4843 (load_multiple): Set type to load_ux.
4844 (store_multiple): Set type to store_ux.
4845 (movmemsi): Set type to store_ux.
4846 (output_cbranch direct_return): Set type to jmpreg.
4847 (stmw): Set type to store_ux.
4848 (lmw): Set type to load_ux.
4849 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4850 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4851 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4852 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4853 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4854 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4855 (rios1-fpstore): Increase latency to 3.
4856 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4857 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4859 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4860 Andrew Pinski <pinskia@physics.uc.edu>
4862 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4863 operand2 constraint to "b".
4864 (sync_<fetchop_name>di_internal): Same.
4865 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4867 (sync_old_<fetchop_name>di_internal): Same.
4868 (sync_new_<fetchop_name>si_internal): Same.
4869 (sync_new_<fetchop_name>di_internal): Same.
4871 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
4874 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4875 case, define as macros.
4877 PR rtl-optimization/23837
4878 * optabs.c (no_conflict_move_test): Don't set must_stay for a
4879 clobber / clobber match between dest and p->first.
4881 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4882 (no_conflict_move_test): Update comments.
4884 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4886 * doc/install.texi: Update URL for Jacks.
4887 * doc/sourcebuild.texi: Likewise.
4889 2005-09-22 David Edelsohn <edelsohn@gnu.org>
4892 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4893 registers when choosing register preferences.
4894 (movdf_hardfloat64): Same.
4896 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
4898 * expmed.c (expand_shift): Don't use the target of the rotate as
4899 target for the first expanded shift insn.
4900 * testsuite/gcc.dg/20050922-1.c: Testcase added.
4902 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4904 PR tree-optimization/22438
4905 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4906 preserved iv rhs rewriting specially.
4908 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4910 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4911 estimate_only is true.
4912 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4913 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4914 tree-ssa-structalias.c
4915 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4916 ref_contains_indirect_ref.
4917 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4919 2005-09-21 DJ Delorie <dj@redhat.com>
4921 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4923 (mn10300_return_in_memory): Support variable size types also.
4924 (mn10300_pass_by_reference): Likewise.
4925 (mn10300_function_value): New.
4926 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4927 (FUNCTION_OUTGOING_VALUE): Likewise.
4928 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4929 * doc/invoke.texi: Document it.
4931 2005-09-21 Uros Bizjak <uros@kss-loka.si>
4934 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4935 force integer op1 into register for XFmode compares.
4937 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4940 * expmed.c (alg_code): Add alg_impossible.
4941 (alg_hash_entry): Add cost.
4942 (synth_mult): Record alg_impossible in the hash table if
4943 multiplication by a given integer is impossble within the
4944 limit. Speed up using alg_impossible.
4946 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4948 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4949 argument. Allow and set any offset if needs_anyoffset is passed
4951 (get_constraint_for): Add argument here too.
4953 (do_structure_copy): Pass NULL to get_constraint_for.
4954 (handle_ptr_arith): Ditto.
4955 (find_func_aliases): Ditto.
4957 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4959 PR rtl-optimization/23898
4960 * output.h (get_attr_min_length): Declare.
4961 * final.c (get_attr_length_1): New function, broken out of:
4963 (get_attr_min_length): New function.
4964 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4965 (duplicate_computed_gotos): Likewise.
4966 * genattr.c (insn_min_length): Generate declaration.
4967 * genattrtab.c (min_fn, min_attr_value): New functions.
4968 (make_length_attrs): Generate insn_min_length.
4970 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4972 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4974 2005-09-20 Richard Henderson <rth@redhat.com>
4976 PR tree-optimization/24059
4977 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4980 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4982 * c.opt (fextended-identifiers): New.
4983 * c-opts.c (c_common_handle_option): Handle
4984 -fextended-identifiers.
4985 * doc/cpp.texi: Update documentation of extended identifiers.
4986 * doc/cppopts.texi (-fextended-identifiers): Document.
4988 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4990 PR tree-optimization/23929
4991 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4994 PR tree-optimization/23818
4995 * tree-stdarg.c (execute_optimize_stdarg): Call
4996 calculate_dominance_info.
4998 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
5000 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5001 (analyze_siv_subscript_cst_affine): Add weak SIV test.
5002 (compute_overlap_steps_for_affine_1_2): Use
5003 get_number_of_iters_for_loop.
5004 (analyze_subscript_affine_affine): Check whether difference is
5006 Use get_number_of_iters_for_loop.
5007 Check whether overlap occurs outside of bounds.
5008 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5010 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
5012 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5013 base register if possible.
5015 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
5017 PR tree-optimization/18463
5018 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5019 converting it directly is not possible.
5020 (chrec_convert_aggressive): New function.
5021 * tree-chrec.h (chrec_convert_aggressive): Declare.
5022 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5023 Fold chrec conversions aggressively if asked to.
5024 (instantiate_parameters): Modified because of changes in
5025 instantiate_parameters_1.
5027 2005-09-19 Richard Henderson <rth@redhat.com>
5029 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5030 (reduc_splus_v2df): New.
5032 2005-09-19 Richard Sandiford <richard@codesourcery.com>
5034 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5035 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
5037 2005-09-19 Richard Henderson <rth@redhat.com>
5039 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5042 2005-09-19 Richard Henderson <rth@redhat.com>
5044 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5045 (ia64_expand_dot_prod_v8qi): New.
5046 * config/ia64/ia64-protos.h: Update.
5047 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5048 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5049 sdot_prodv8qi, sdot_prodv4hi): New.
5050 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5052 2005-09-19 Richard Henderson <rth@redhat.com>
5055 * real.c (exact_real_truncate): Return false if the format cannot
5056 represent the number as a normal.
5058 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5059 for a memory source.
5061 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
5063 * tree-ssa-operands.c (swap_tree_operands): Export.
5064 * tree.h (swap_tree_operands): Declare.
5065 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5066 Call swap_tree_operands.
5068 2005-09-19 Richard Henderson <rth@redhat.com>
5070 * tree-flow.h (merge_alias_info): Declare.
5071 * tree-ssa-copy.c (merge_alias_info): Export.
5072 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5073 (vect_create_data_ref_ptr): Use create_iv directly.
5074 (vectorizable_load): Use correct types for integer constants.
5075 (vect_generate_tmps_on_preheader): Likewise.
5076 (vect_gen_niters_for_prolog_loop): Likewise.
5078 2005-09-19 Steven Bosscher <stevenb@suse.de>
5080 PR rtl-optimization/23943
5081 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5083 2005-09-18 Jan Hubicka <jh@suse.cz>
5085 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5087 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
5089 * varasm.c (output_constant): Do not abort on conversions to union
5090 types between different sizes.
5092 2005-09-18 Richard Guenther <rguenther@suse.de>
5095 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5098 2005-09-18 Paul Brook <paul@codesourcery.com>
5100 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5102 2005-09-17 Richard Henderson <rth@redhat.com>
5104 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5105 * tree-ssa-loop.c (pass_vect_dce): Remove.
5106 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5109 2005-09-17 Richard Henderson <rth@redhat.com>
5111 * tree-pass.h (pass_vect_dce): Declare.
5112 * passes.c (init_optimization_passes): Add it.
5113 * tree-flow.h (tree_ssa_dce): Declare.
5114 * tree-ssa-dce.c (tree_ssa_dce): Export.
5115 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5116 (gate_tree_vectorize): ... here.
5117 (pass_vect_dce): New.
5119 2005-09-17 Jan Hubicka <jh@suse.cz>
5121 * except.c (struct eh_status): Turn region_array into vec.
5122 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5123 convert_from_eh_region_ranges, find_exception_handler_labels,
5124 current_function_has_exception_handlers, assign_filter_values,
5125 build_post_landing_pads, dw2_build_landing_pads,
5126 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5127 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5128 foreach_reachable_handler, can_throw_internal_1,
5129 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5131 (duplicate_eh_region_1): Update region_array.
5132 (duplicate_eh_regions): Resize region_array and avoid recomputing.
5134 2005-09-17 David Edelsohn <edelsohn@gnu.org>
5137 * expmed.c (expand_mult): Substitute simple register for op0 when
5140 2005-09-17 Richard Henderson <rth@redhat.com>
5142 * expr.c (emit_move_via_integer): Add force argument, pass it on
5143 to emit_move_change_mode. Update callers.
5144 (emit_move_complex): Pass true to new force argument.
5145 * function.c (expand_function_end): Move expand_eh_return call
5146 earlier. Merge sub-word complex values into a pseudo before
5147 copying to the return hard register.
5149 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
5151 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5152 between different sizes.
5154 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
5158 * passes.c (init_optimization_passes): Register dump files for
5161 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
5163 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5164 * config/s390/s390.c (s390_overlap_p): New function.
5165 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5166 peephole2, "*xc" peephole2): Added overlap check to the peephole2
5169 2005-09-16 Richard Guenther <rguenther@suse.de>
5171 * ipa-pure-const.c (static_execute): Free auxiliar information.
5172 * ipa-type-escape.c (discover_unique_type): Free temporary key.
5173 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5175 2005-09-15 DJ Delorie <dj@redhat.com>
5177 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5179 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
5181 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5183 (swap_commutative_operands_with_target): New.
5185 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
5187 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5190 (estimate_iters_using_array): New function.
5191 * tree-data-ref.h (estimate_iters_using_array): Prototype
5192 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5193 Use estimate_iters_using_array instead of analyze_array.
5195 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
5197 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5200 2005-09-15 Michael Matz <matz@suse.de>
5202 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5204 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
5206 PR tree-optimization/23835
5207 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5208 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5210 2005-09-14 Richard Henderson <rth@redhat.com>
5212 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5213 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5215 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
5217 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5218 in the ARRAY_TYPE case.
5220 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
5222 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5224 2005-09-14 Uros Bizjak <uros@kss-loka.si>
5227 * tree-vect-transform.c (vectorizable_operation): Return false for
5228 scalar shift operations and for vector shift operations with
5229 non-invariant shift arguments. Use scalar tree operand op1 as
5230 a shift operand when vector shift insn pattern uses scalar shift
5232 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5234 2005-09-14 Olivier Hainque <hainque@adacore.com>
5236 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5237 value if it has side-effects.
5239 2005-09-14 David Edelsohn <edelsohn@gnu.org>
5242 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5244 2005-09-14 Alan Modra <amodra@bigpond.net.au>
5246 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5247 passed as NAME as if it were label at start of function code.
5249 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
5251 * config/sh/sh.md (*movv4sf_i): Add general register cases to
5254 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5256 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5257 as early clobber. Rewrite so the PIC register is not implicitly used.
5259 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5261 * tree.c (annotate_with_file_line): Compare line numbers before
5264 2005-09-13 Uros Bizjak <uros@kss-loka.si>
5267 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5268 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5270 2005-09-13 Ian Lance Taylor <ian@airs.com>
5272 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5273 than a HOST_WIDEST_INT to gen_doloop_begin.
5275 2005-09-13 Diego Novillo <dnovillo@redhat.com>
5277 * tree-dfa.c (dump_variable): Guard against NULL annotations.
5279 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
5281 PR tree-optimize/23817
5282 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5284 2005-09-13 Alan Modra <amodra@bigpond.net.au>
5287 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5288 word before changing the stack pointer. Use gen_frame_mem for MEMs.
5289 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5290 (restore_stack_nonlocal): Likewise.
5291 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5293 2005-09-12 Ian Lance Taylor <ian@airs.com>
5296 * c.opt (ffriend-injection): New C++ option.
5297 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5298 (C++ Dialect Options): Document -ffriend-injection.
5300 2005-09-12 Josh Conner <jconner@apple.com>
5303 * ipa-reference.c (static_execute): Don't mark variables in
5304 named sections TREE_READONLY.
5306 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5308 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5311 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5313 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5314 V_MUST_DEF instead of just the first_use_p.
5315 Don't mark the virtual variables for renaming on the statement which
5317 (pass_dse): Remove TODO_update_ssa.
5319 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
5322 * stor-layout.c (compute_record_mode): For records with a single
5323 field, actually check the field's mode size against the type size.
5325 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5326 registers for TARGET_SHMEDIA.
5327 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5328 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
5329 of GENERAL_REGS and FP_REGS.
5331 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
5333 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5335 2005-09-12 Alan Modra <amodra@bigpond.net.au>
5337 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5338 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5339 are omitted. Exclude stack_tie insn too.
5341 2005-09-11 David Edelsohn <edelsohn@gnu.org>
5343 PR rtl-optimization/23098
5344 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5346 * config/rs6000/rs6000.md (movdf splitter): Use
5347 const_double_operand predicate for TARGET_POWERPC64.
5348 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5349 SYMBOL_REF method to ABI_V4.
5351 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5352 replace_equiv_address.
5353 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5354 rs6000_sr_alias_set and MEM_NOTRAP.
5355 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5357 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
5359 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5360 handle CALL_EXPR again.
5362 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
5364 * arm/predicates.md (alignable_memory_operand): Delete.
5366 2005-09-10 Richard Henderson <rth@redhat.com>
5369 * dbxout.c (dbxout_expand_expr): New.
5370 (dbxout_symbol): Use it.
5372 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
5374 * arm.c (arm_gen_rotated_half_load): Delete.
5375 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5376 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5377 (thumb_set_return_address): Likewise.
5378 (thumb_load_double_from_address): Use adjust_address.
5379 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5380 (extendhsisi2_mem, movhi_bytes): Use change_address.
5381 (movhi): Use widen_memory_access.
5382 (reload_out_df): Use replace_equiv_address.
5383 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5385 2005-09-09 Richard Henderson <rth@redhat.com>
5388 * dbxout.c: Include expr.h.
5389 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5390 (dbxout_symbol): Handle DECL_VALUE_EXPR.
5391 * Makefile.in (dbxout.o): Add EXPR_H.
5393 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
5395 PR tree-optimization/23509
5396 * tree-cfg.c (replace_uses_by): Use replace_exp.
5397 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5398 pointers have name_mem_tag or type_mem_tag set.
5400 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5402 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5403 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5404 of wrongly accessing operands.
5406 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
5408 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5409 * tree-chrec.c: Include tree-scalar-evolution.h.
5410 (chrec_convert): Instantiate the base and step before calling
5411 scev_probably_wraps_p that would fail on parametric evolutions.
5412 Collect all the fails into a single section failed_to_convert,
5413 print a diagnostic, and return chrec_dont_know instead of calling
5415 * tree-scalar-evolution.c (loop_closed_phi_def): New.
5416 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5418 (scev_const_prop): Don't replace the definition of a loop closed ssa
5419 phi node by itself, or by another loop closed ssa phi node.
5420 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5421 that base and step are defined.
5423 2005-09-09 Richard Guenther <rguenther@suse.de>
5426 * fold-const.c (fold_ternary): Check truth_value_p before
5427 calling invert_truthvalue.
5429 2005-09-09 Nick Clifton <nickc@redhat.com>
5431 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5432 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5433 dimension of these arrays.
5434 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5436 * longlong.h: Only provide a prototype for the __clz_tab[] array
5437 if this header has not been included from libgcc2.h.
5438 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5440 Provide prototypes for exported functions.
5441 Use the __clz_tab[] and __popcount_tab[] arrays provided by
5444 2005-09-08 Josh Conner <jconner@apple.com>
5448 * expr.c (expand_expr_addr_expr_1): Don't invoke
5449 expand_simple_binop for EXPAND_INITIALIZER.
5451 2005-09-08 Richard Henderson <rth@redhat.com>
5454 * toplev.c (wrapup_global_declaration_1): Split out ...
5455 (wrapup_global_declaration_2): ... from ...
5456 (wrapup_global_declarations): ... here. Return bool.
5457 (check_global_declaration_1): Split out ...
5458 (check_global_declarations): from here.
5459 (emit_debug_global_declarations): New.
5460 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5461 check_global_declaration_1, emit_debug_global_declarations): Declare.
5462 * c-decl.c (c_write_global_declarations_1): Don't create a vector
5463 of decls. Call wrapup_global_declaration_1,
5464 wrapup_global_declaration_2, check_global_declaration_1 directly.
5465 (c_write_global_declarations_2): New.
5467 (c_write_global_declarations): Call c_write_global_declarations_2.
5468 * langhooks.c (write_global_declarations): Call
5469 emit_debug_global_declarations.
5471 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5472 remove decls that have DECL_RTL_SET_P.
5473 * passes.c (rest_of_decl_compilation): Invoke
5474 cgraph_varpool_finalize_decl for all but functions.
5476 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5478 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5479 the result of a conversion if the new min and max cannot be compared.
5481 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
5483 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5484 (override_options): Setting s390_sr_alias_set removed.
5485 (save_fpr, save_gprs): Set alias set to vararg or frame.
5486 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5487 s390_sr_alias_set with get_frame_alias_set ().
5488 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5489 get_varargs_alias_set ().
5491 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5495 * c-parser.c (c_parser_objc_method_definition): If the next
5496 token is not "{", error out and don't start the function.
5498 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
5500 * tree-vrp.c (extract_range_from_expr): Move the check for non
5501 nullness after the check for gimple invariant.
5503 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5505 * tree.c (host_integerp, tree_low_cst): Correct function comment.
5507 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5510 * config/m32r.md (movmemsi_internal): Canonicalize order of
5511 operands in PLUS component of template.
5513 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
5515 * reload1.c (fixup_eh_region_note): Remove assertion.
5516 (fixup_abnormal_edges): Reverted removal of call to
5517 find_many_sub_basic_blocks made on 2005-08-31.
5519 2005-09-07 Richard Henderson <rth@redhat.com>
5521 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5522 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5523 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5524 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5525 rearrange for better packing.
5526 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5527 (lookup_cfa_1): Remove inline marker.
5528 (cfa_equal_p): Split out of ...
5529 (def_cfa_1): ... here. Use INVALID_REGNUM.
5530 (build_cfa_loc): Handle !cfa->indirect.
5531 (frame_pointer_cfa_offset): New.
5532 (dbx_reg_number): Assert register elimination performed; do
5533 leaf register remapping.
5534 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5535 (eliminate_reg_to_offset): New.
5536 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
5537 for verifiably local stack frame addresses; re-base to CFA.
5538 (mem_loc_descriptor): Remove can_use_fbreg argument.
5539 (concat_loc_descriptor, loc_descriptor): Likewise.
5540 (containing_function_has_frame_base): Remove.
5541 (rtl_for_decl_location): Don't do register elimination or
5542 leaf register remapping here.
5543 (secname_for_decl): Split out from ..
5544 (add_location_or_const_value_attribute): ... here.
5545 (convert_cfa_to_loc_list): New.
5546 (compute_frame_pointer_to_cfa_displacement): New.
5547 (gen_subprogram_die): Use them.
5548 * tree.h (frame_base_decl): Remove.
5549 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5550 (prologue_stack_adjust): Remove.
5551 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5552 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5553 (set_frame_base_location): Remove.
5554 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5555 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5556 (vt_add_function_parameters): Don't eliminate_regs.
5557 (vt_initialize): Don't create frame_base_decl.
5559 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5561 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5562 version of GNU binutils for 4.x and later.
5564 2005-09-06 Mark Mitchell <mark@codesourcery.com>
5566 * ggc-page.c (ggc_push_context): Remove.
5567 (ggc_pop_context): Likewise.
5568 * ggc.h (ggc_push_context): Remove.
5569 (ggc_pop_context): Likewise.
5571 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5574 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5575 returning from an interrupt handler.
5577 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5580 * config/arc/arc.c (output_shift): Add check for loop count when
5583 2005-09-06 Steven Bosscher <stevenb@suse.de>
5585 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5587 (abs_replacement): Likewise.
5588 (pass_phiopt): Remove TODO_update_ssa.
5590 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5593 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5594 if "return with no value, in function returning non-void" warning
5596 * tree-cfg.c (execute_warn_function_return): Don't look at
5597 RETURN_EXPRs with TREE_NO_WARNING set.
5600 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5601 for internal functions doesn't use registers used by global registers
5602 variables. Use fewer register parameters if there are global register
5605 2005-09-06 Olivier Hainque <hainque@adacore.com>
5606 Eric Botcazou <ebotcazou@adacore.com>
5609 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5610 when we would be extracting outside its bit span (bitpos+bitsize
5611 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5612 Ada unchecked conversions.
5614 2005-09-06 Steven Bosscher <stevenb@suse.de>
5616 * tree-ssa-pre.c (try_look_through_load): New function.
5617 (compute_avail): Use it to try to look through loads for some
5618 more useful expressions.
5620 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
5622 * simplify-rtx.c (simplify_binary_operation_1): Correct the
5623 condition for detecting cases like (a&a) and (a^a).
5625 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
5627 * common.opt: Add option ftree-vect-loop-version.
5628 * params.def: Add --param vect-max-version-checks.
5629 * doc/invoke.texi: Document ftree-vect-loop-version and
5630 --param vect-max-version-checks.
5631 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5632 may_misalign_stmts and defines for accessors.
5633 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5634 LOOP_VINFO_MAY_MISALIGN_STMTS.
5635 (destroy_loop_vec_info): VEC_free for
5636 LOOP_VINFO_MAY_MISALIGN_STMTS.
5637 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5638 Update documentation.
5639 (vect_update_misalignment_for_peel): New.
5640 (vect_enhance_data_refs_alignment): Update to choose loop
5641 peeling or loop versioning if appropriate for the (potentially)
5642 unaligned data references in the loop.
5643 (vect_analyze_data_refs_alignment): Remove call to
5644 vect_enhance_data_refs_alignment so the checks can be done
5646 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5647 and move up call to vect_analyze_data_refs_alignment.
5648 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5649 (vect_transform_loop): Add call to loop_version.
5651 2005-09-06 Jakub Jelinek <jakub@redhat.com>
5653 PR rtl-optimization/23098
5654 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5655 * simplify-rtx.c (constant_pool_reference_p): New function.
5656 * rtl.h (constant_pool_reference_p): New prototype.
5657 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5658 constant_pool_reference_p in condition and
5659 avoid_constant_pool_reference in preparation statements.
5661 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
5663 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5664 STRICT_LOW_PART SETs.
5666 2005-09-06 Alan Modra <amodra@bigpond.net.au>
5669 * except.c (sjlj_emit_function_enter): Find the function begin
5670 note even when it's not in first basic block.
5672 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
5674 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
5675 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5676 * aclocal.m4: Regenerate.
5678 2005-09-05 DJ Delorie <dj@redhat.com>
5680 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5683 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
5685 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5686 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5687 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5688 Follow spelling conventions.
5689 * doc/invoke.texi: Follow spelling conventions.
5691 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5693 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5694 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5695 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5697 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
5700 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5701 (output_stack_adjust): Use gen_tmp_stack_mem.
5702 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5703 (sh_set_return_address, sh_allocate_initial_value): Likewise.
5704 (sh_get_pr_initial_val): Likewise.
5705 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5706 (sh_initialize_trampoline): Likewise. Also use adjust_address.
5707 * sh.md (divsi_inv_m0): Use gen_const_mem.
5708 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5709 (movdf_i4+1): Use gen_tmp_stack_mem.
5710 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5711 (fpu_switch+2): Likewise.
5712 (movv4sf_i, movv16sf_i): Use adjust_address.
5713 (symGOT_load): Set MEM_NOTRAP_P bit.
5715 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5718 * pa.c (emit_move_sequence): Fix typo in last change.
5720 2005-09-03 Jakub Jelinek <jakub@redhat.com>
5722 PR rtl-optimization/23454
5723 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5726 2005-09-03 Richard Henderson <rth@redhat.com>
5727 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5733 2005-09-02 Nicolas Pitre <nico@cam.org>
5735 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5736 to bit_count to 32 bits.
5738 2005-08-31 Mark Mitchell <mark@codesourcery.com>
5741 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5742 generating synthetic loads from volatile lvalues.
5744 005-09-02 Nick Clifton <nickc@redhat.com>
5746 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5747 __ctzhi2, __clzhi2): New functions.
5749 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
5752 * tree-nested.c (struct var_map_elt): Mark with GTY.
5753 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
5755 (lookup_field_for_decl): Allocate new element in GC memory.
5756 (lookup_tramp_for_decl): Likewise.
5757 (convert_nl_goto_reference): Likewise
5758 (create_nesting_tree): Allocate info in GC memory. Likewise for
5760 (free_nesting_tree): Free with ggc_free instead of free.
5761 (root): New static variable.
5762 (lower_nested_functions): Remove root as local variable. And zero out
5763 root at the end of the function.
5765 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
5767 PR rtl-optimization/20365
5768 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5769 to short. New member ix.
5770 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5771 (simplify_plus_minus): Initialize ix members before calling qsort.
5773 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
5775 PR tree-optimization/23626
5776 * tree-cfg.c (replace_uses_by): Clean up eh info.
5778 2005-09-01 DJ Delorie <dj@redhat.com>
5780 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5783 2005-09-01 David Edelsohn <edelsohn@gnu.org>
5785 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5786 (rs6000_split_multireg_move): Use replace_equiv_address instead of
5789 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
5791 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
5792 do not issue warning for a variable definition following
5795 2005-09-01 Richard Henderson <rth@redhat.com>
5798 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5799 conversion to CONST_VECTOR.
5801 2005-09-01 Richard Henderson <rth@redhat.com>
5804 * reload1.c (reload_as_needed): Check !CALL_P before calling
5805 fixup_eh_region_note.
5806 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5808 2005-09-01 DJ Delorie <dj@redhat.com>
5810 * varasm.c (output_constant): Let the target resolve
5811 conversions of addresses to non-default pointer sizes.
5813 2005-09-01 Nicolas Pitre <nico@cam.org>
5815 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5816 to alow matching ARM pre-indexed addressing mode.
5817 (arm_override_options): Remove now irrelevant comment.
5819 2005-09-01 Phil Edwards <phil@codesourcery.com>
5821 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
5822 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
5823 * config/i386/vxworks.h: Likewise.
5824 * config/i386/t-vxworksae: New file, for VxWorks AE.
5825 * config/i386/vxworksae.h: Likewise.
5827 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
5829 PR tree-optimization/23410
5830 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5831 sequence is not wrapping during the first step.
5833 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5836 * dwarf2out.c (base_type_die): Compare char_type_node with
5837 TYPE_MAIN_VARIANT (type), not type.
5839 2005-09-01 Richard Guenther <rguenther@suse.de>
5841 PR tree-optimization/15366
5842 * common.opt: Add -finline-functions-called-once.
5843 Put -fearly-inlining in alphabetically ordered place.
5844 * doc/invoke.texi: Document new option.
5845 * ipa-inline.c (cgraph_decide_inlining): Honour
5846 flag_inline_functions_called_once.
5848 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5850 PR rtl-optimization/23478
5851 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5852 (alloc_qty): Initialize it.
5853 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5854 (combine_regs): Combine also n_throwing_calls_crossed fields.
5855 (find_free_reg): Don't attempt to caller-save pseudos crossing
5856 calls that might throw.
5857 * global.c (struct allocno): Add throwing_calls_crossed field.
5858 (global_alloc): Revert 2005-08-22 change. Initialize
5859 throwing_calls_crossed.
5860 (find_reg): Don't attempt to caller-save pseudos crossing calls that
5863 2005-09-01 Alan Modra <amodra@bigpond.net.au>
5866 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5867 (mask64_operand): Reinstate code prior to 2005-06-11 change.
5868 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5869 (and64_2_operand): Tweak to use predicate.
5870 (and_operand): Adjust for mask_operand changes.
5871 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5872 (print_operand): Likewise.
5873 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5874 (mask64_1or2_operand): Delete.
5875 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5876 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5877 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5878 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5879 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5880 (rotldi3_internal4): Likewise.
5881 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5882 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5883 (ashldi3_internal7): Likewise.
5884 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5885 (ashldi3_internal, ashldi3_internal9 split): Likewise.
5886 (anddi3 split): Don't match mask64_operand.
5887 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
5888 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
5889 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
5890 't' splitter predicate.
5891 (movdi_internal64 + 2): Revert 2005-06-11 change.
5893 2005-08-31 DJ Delorie <dj@redhat.com>
5895 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5896 (m32c_asm_integer): Add support for 32 bit pointers.
5898 2005-08-31 Richard Henderson <rth@redhat.com>
5900 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5901 component-like references for setting MEM_NOTRAP_P.
5903 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5904 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5906 2005-08-31 Richard Henderson <rth@redhat.com>
5908 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5909 into a pseudo before applying gen_lowpart.
5911 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5913 * doc/install.texi (Specific): Update cctools version required
5914 for full functionality.
5915 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5916 linkers as -macosx_version_min.
5918 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
5921 * sh.c (print_operand, %R and %S): Add handling of floating point
5922 registers, memory, constants and invalid operands.
5924 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
5926 * ipa-pure-const.c: Change dump name.
5928 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5931 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5932 to "reg_or_0_operand".
5933 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5935 2005-08-31 Dale Johannesen <dalej@apple.com>
5937 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
5938 loops that count down.
5940 2005-08-31 Richard Henderson <rth@redhat.com>
5943 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5944 (fixup_eh_region_note): New.
5945 (reload_as_needed): Call it.
5946 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5947 don't call find_many_sub_basic_blocks; call verify_flow_info.
5948 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5949 (keep_stack_depressed): Likewise.
5950 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5952 2005-08-31 Richard Henderson <rth@redhat.com>
5954 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5957 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5959 * expr.c (expand_expr_real_1): Compare size of address
5960 mode to target's address mode size in deciding expansion of
5961 the constant address.
5963 2005-08-31 Richard Guenther <rguenther@suse.de>
5966 * expr.c (all_zeros_p): New function.
5967 (expand_expr_real_1): Handle the case of an all-zero
5968 non-addressable constructor separately.
5970 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5972 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5973 arguments, adjust all callers.
5974 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5976 2005-08-30 Richard Henderson <rth@redhat.com>
5979 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5980 whenever the mode sizes match.
5982 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5984 * calls.c (load_register_parameters): Fix comment typo.
5985 * expr.c (emit_push_insn): Comment formatting.
5987 2005-08-30 Ian Lance Taylor <ian@airs.com>
5989 * config/i386/x-cygwin (host-cygwin): Change dependency from
5990 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5992 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5994 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5997 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6000 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6001 call to ggc_collect.
6003 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
6006 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6007 beginning. Remove $(INCLUDES) from all the rules, if following
6008 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6010 2005-08-29 Jakub Jelinek <jakub@redhat.com>
6013 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6014 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6015 not constant, but maxlen is, don't set len to maxlen, rather
6016 set maxlen to len if len is a constant.
6018 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
6020 PR tree-optimization/23475
6021 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6024 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
6026 Fix PR middle-end/22455
6028 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6029 Checksum only the parts of the tree that exist for the tree code.
6031 2005-08-28 Dale Johannesen <dalej@apple.com>
6033 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
6035 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
6037 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6039 2005-08-28 Richard Henderson <rth@redhat.com>
6041 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6042 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6045 2005-08-28 Jakub Jelinek <jakub@redhat.com>
6048 * builtins.c (get_memory_rtx): Don't strip nops
6049 in between COMPONENT_REFs.
6051 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
6054 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6056 (gimplify_modify_expr): Check for zero sized types and gimplify the
6057 rhs and lhs as statements.
6059 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
6062 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6063 state for return address column of signal frames.
6065 2005-08-27 David Edelsohn <edelsohn@gnu.org>
6068 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6069 bytes >= 2 not bytes == 2.
6070 (expand_block_move): Same.
6072 2005-08-27 Richard Guenther <rguenther@suse.de>
6075 * config/i386/sse.md (sse2_movsd): Add missing closing
6078 2005-08-27 Paul Brook <paul@codesourcery.com>
6080 * genrecog.c (enum decision_type): Add DT_num_insns.
6081 (struct decision_test): Add u.num_insns.
6082 (add_to_sequence): Add DT_num_insns test.
6083 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6084 (write_cond, debug_decision_2): Ditto.
6085 (change_state): Assume peep2_next_insn never fails.
6086 Remove "afterward" argument.
6087 (write afterward, write_tree): Update to match.
6088 * recog.c (peep2_current_count): New variable.
6089 (peep2_next_insn): Check it.
6090 (peephole2_optimize): Set peep2_current_count.
6091 * recog.h (peep2_current_count): Declare.
6093 2005-08-26 Josh Conner <jconner@apple.com>
6096 * ipa-pure-const.c (check_tree): Check for volatile-ness
6097 when considering a dereference.
6099 2005-08-27 Jakub Jelinek <jakub@redhat.com>
6101 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6103 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6105 PR rtl-optimization/23561
6106 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
6107 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6108 at most LEN bytes long memory fits into the field.
6109 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6110 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6111 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6113 2005-08-26 Richard Henderson <rth@redhat.com>
6116 * loop.c (biased_biv_may_wrap_p): New.
6117 (maybe_eliminate_biv_1): Use it to suppress non-equality
6118 comparison transformations. Delete disabled code.
6120 2005-08-26 Ian Lance Taylor <ian@airs.com>
6122 * combine.c (make_extraction): Avoid reference outside object.
6124 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
6126 * stor-layout.c (finalize_type_size): Restore behaviour for
6127 non-aggregate types to the status quo ante of the patch for
6128 pr 23467. Document why it matters.
6130 2005-08-26 Jakub Jelinek <jakub@redhat.com>
6133 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6134 array by one element, initialize the BT_LAST element with NULL.
6136 2005-08-26 David Edelsohn <edelsohn@gnu.org>
6138 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6139 optimizing for size.
6141 (compare_plus_eqsi): Same.
6142 (plus_eqsi_compare): Same.
6143 (neg_eq0<mode>): Same.
6144 (neg_eq<mode>): Same.
6146 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6149 2005-08-26 Nick Clifton <nickc@redhat.com>
6151 * config/v850/v850.c (ep_memory_operand): Return FALSE if
6152 TARGET_EP is not defined.
6153 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6154 TARGET_EP is enabled.
6155 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6156 * config/v850/v850.md (save_all_interrupt): Only use the EP
6157 register if TARGET_EP is defined.
6158 (restore_all_interrupt): Likewise.
6159 * config/v850/lib1funcs.asm: Update functions so that the EP
6160 register is only used if __EP__ is defined.
6162 2005-08-26 David Ung <davidu@mips.com>
6164 * config/mips/mips.c (mips_expand_prologue): Handle case when
6165 generating for MIPS16 and the outgoing argument area is more than
6166 SMALL_OPERAND. Use the frame pointer as temporary to generate the
6169 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
6171 * config/crx/crx.md: Make doloop_end pattern usage controllable
6172 via mloop-nesting=<max-nesting> command line switch. Make sure
6173 the combiner cannot use doloop_end_<mode> in an illegal way.
6174 * config/crx/crx.c: Use regs up to r6 for argument passing.
6175 Refine crx_address_cost (non cst4 displacements are expensive).
6176 * config/crx/crx.opt: Add switch for mloop-nesting=.
6178 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
6180 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6181 (UNSPEC_MVST): New constant.
6183 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
6185 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6186 Reject operands containing eliminable registers.
6187 * testsuite/gcc.dg/20050825-1.c: New testcase.
6189 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6190 Jan Hubicka <jh@suse.cz>
6192 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6194 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6196 PR tree-optimization/23546
6197 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6200 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
6202 * params.def (PARAM_MIN_SPEC_PROB): New.
6203 * sched-rgn.c (MIN_PROBABILITY): Delete.
6204 (compute_trg_info): Convert to PARAM_VALUE.
6205 * doc/invoke.texi (param): Document min-spec-prob.
6207 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
6209 * config/darwin.h: define __PIC__
6210 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6211 TARGET_OS_CPP_BUILTINS macro.
6213 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6215 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6218 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6220 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6222 * cfghooks.c (duplicate_block): Added position where to place
6223 new block as argument.
6224 * cfghooks.h (duplicate_block): Declaration changed.
6225 * cfglayout.c (copy_bbs): Add argument after. Pass it to
6227 * cfglayout.h (copy_bbs): Declaration changed.
6228 * cfgloop.h (loop_version): Declaration changed.
6229 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6230 position to copy_bbs.
6231 (loop_version): Pass position to duplicate_loop_to_header_edge.
6232 Add place_after argument and position new blocks according to
6234 * modulo-sched.c (sms_schedule): Pass place_after argument
6236 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6237 * tree-cfg.c (split_edge_bb_loc): New function.
6238 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6239 to determine position of new blocks.
6240 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6242 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6243 argument to duplicate_block.
6244 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6245 Pass position to copy_bbs.
6247 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
6249 * fold-const.c (ptr_difference_const): Use
6250 cst_and_fits_in_hwi instead of host_integerp.
6252 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
6254 * config/darwin.c (gen_pic_offset): New.
6255 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
6258 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
6260 PR tree-optimization/23486
6261 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6263 2005-08-23 Phil Edwards <phil@codesourcery.com>
6265 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
6266 remove use_collect2.
6267 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
6269 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
6270 configuration files to override the default value.
6272 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
6273 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6274 * config/vx-common.h: New file, split out from...
6275 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
6276 * config/vxworksae.h: New file, for VxWorks AE.
6277 * config/vxworks.opt: New file.
6278 * config/vxlib.c: Update for VxWorks 6.
6280 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
6281 other MULTILIB_* variables appropriately.
6282 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
6283 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
6284 * config/rs6000/vxworks.h: Update for VxWorks 6.
6285 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
6287 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
6290 * config/darwin.c (machopic_select_section): Remove the hack to
6291 mark "::operator new" and "::operator delete" for coalescing
6292 even though they are not weak.
6294 2005-08-24 Alan Modra <amodra@bigpond.net.au>
6296 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6297 * configure: Regenerate.
6299 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6302 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6304 * convert.c (convert_to_integer, convert_to_vector): Likewise.
6305 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6308 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
6310 * config/rs6000/predicates.md (equality_operator): New.
6311 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6312 comparison with a large constant.
6314 2005-08-23 Mark Mitchell <mark@codesourcery.com>
6316 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6318 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
6320 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6321 registers is even, and we have a hardware double precision fp,
6323 (sh_gimplify_va_arg_expr): For floating point arguments, consider
6324 size of current argument when checking if argument was passed in
6327 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6330 * stor-layout.c (finalize_type_size): Dont override
6331 existing alignment with a smaller alignment from the mode.
6333 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6335 * lambda-code.c (lambda_vector_lexico_pos): Moved...
6336 * lambda.h (lambda_vector_lexico_pos): ... here.
6337 * tree-data-ref.c (build_classic_dist_vector): Return false when
6338 the distance vector is lexicographically negative.
6340 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
6342 PR tree-optimization/23511
6343 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6344 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6346 2005-08-23 Jakub Jelinek <jakub@redhat.com>
6348 PR tree-optimization/22043
6349 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6350 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6351 If ALLOW_FLEXARR, handle types ending with flexible array member.
6352 Pass false as second argument to recursive count_type_elements calls.
6353 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6354 argument to count_type_elements call.
6355 * tree-sra.c (decide_block_copy): Likewise.
6356 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6357 for a constant-sized object, set cleared as well. Pass true as
6358 second argument to count_type_elements call.
6360 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6363 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6364 from legitimate_small_data_p, and make global. Update use.
6365 Remove forward declaration.
6366 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6368 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6370 2005-08-23 David Edelsohn <edelsohn@gnu.org>
6372 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6373 of scratch intermediates.
6374 (eq<mode>_compare): Same.
6375 (neg_eq0<mode>): New.
6376 (neg_eq<mode>): Convert to define_insn_and_split.
6378 2005-08-23 Alan Modra <amodra@bigpond.net.au>
6381 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6382 stdarg functions, set/clear the fp marker even when no variable
6384 * config/rs6000/sysv4.opt (mprototype): Describe.
6386 2005-08-22 Jakub Jelinek <jakub@redhat.com>
6388 PR rtl-optimization/23478
6389 * regs.h (reg_info): Add throw_calls_crossed.
6390 (REG_N_THROWING_CALLS_CROSSED): Define.
6391 * flow.c (allocate_reg_life_data): Initialize
6392 REG_N_THROWING_CALLS_CROSSED.
6393 (propagate_one_insn, attempt_auto_inc): Update
6394 REG_N_THROWING_CALLS_CROSSED.
6395 * global.c (global_alloc): Don't allocate pseudos across
6396 calls that may throw.
6398 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
6401 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6402 value is inbetween the range if we did not find an exact match.
6404 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
6406 * doc/invoke.texi (Option Summary): Add ms1 options.
6407 * doc/extend.texi: Document interrupt handler attribute for ms1.
6408 * doc/md.texi: Document ms1 constraints.
6409 * config.gcc: Add ms1-*-elf.
6410 * config/ms1/ms1.h: New.
6411 * config/ms1/ms1.c: New.
6412 * config/ms1/ms1.md: New.
6413 * config/ms1/ms1-protos.h: New.
6414 * config/ms1/ABI.txt: New.
6415 * config/ms1/crti.asm: New.
6416 * config/ms1/crtn.asm: New.
6417 * config/ms1/lib2extra-funcs.c: New.
6418 * config/ms1/t-ms1: New.
6419 * config/ms1/ms1.opt: New.
6421 2005-08-22 Ira Rosen <irar@il.ibm.com>
6423 * config/rs6000/altivec.md (xorv4sf3): New.
6424 (negv4sf2, neg<mode>2): Likewise.
6426 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
6429 * config/ia64/ia64.md (divsi3): Check divide by zero.
6430 (udivsi3): Likewise.
6432 (udivdi3): Likewise.
6434 2005-08-21 Jakub Jelinek <jakub@redhat.com>
6436 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6437 up to elem_bitsize bits, not max_bitsize.
6439 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6441 PR tree-optimization/23433
6442 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6443 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6445 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
6447 PR tree-optimization/23434
6448 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6449 the iteration bound is not an INTEGER_CST.
6451 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
6453 * tree-vect-transform.c (get_initial_def_for_reduction): Set
6454 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6455 NULL if need_epilog_adjust is false.
6456 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6457 Case 3 always peels first itration, not just for PLUS case, and no need
6458 to use scalar_initial_def here. Create an epilog adjustment only if
6459 scalar_initial_def is not NULL.
6461 (vectorizable_reduction): Remove assert.
6463 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
6466 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6467 (__moddi3): Likewise.
6468 (__udivdi3): Likewise.
6469 (__umoddi3): Likewise.
6470 (__divsi3): Likewise.
6471 (__modsi3): Likewise.
6472 (__udivsi3): Likewise.
6473 (__umodsi3): Likewise.
6475 2005-08-20 Jakub Jelinek <jakub@redhat.com>
6477 * tree-pass.h (TDF_GRAPH): Define.
6478 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6479 * passes.c (finish_optimization_passes): Only call
6480 finish_graph_dump_file if TDF_GRAPH is set.
6481 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6482 NULL. Set TDF_GRAPH bit.
6483 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6485 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
6487 * arm.h (arm_stack_offsets): Add locals_base field.
6488 * arm.c (arm_get_frame_offsets): Compute it.
6489 (thumb_compute_initial_elimination offset): Make the Thumb frame
6490 pointer point to the base of the local variables.
6491 (thumb_expand_prologue): Update accordingly.
6492 (thumb_expand_epilogue): Likewise.
6494 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
6495 mode of clobbered scratch to DImode. Handle a case that's known to
6498 2005-08-19 David Edelsohn <edelsohn@gnu.org>
6500 * config/rs6000/rs6000.md (gt0<mode>): Delete.
6501 (gt0<mode>_compare): Delete.
6502 (neg_gt0<mode>): Delete.
6504 2005-08-19 Eric Christopher <echristo@apple.com>
6506 * optabs.h: Change CTI_ to COI_.
6509 2005-08-19 James E Wilson <wilson@specifix.com>
6511 * builtins.c (expand_builtin_return_addr): Set
6512 current_function_accesses_prior_frames when count != 0. Use
6513 frame_pointer_rtx when count == 0.
6514 * function.h (struct function): Add accesses_prior_frames field.
6515 (current_function_accesses_prior_frames): Define.
6516 * reload1.c (init_elim_table): Check
6517 current_function_accesses_prior_frames.
6518 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6520 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6522 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6523 indicator. Return true if the flowgraph changed during
6526 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6529 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6530 conditional expression before testing its value.
6532 2005-08-19 Diego Novillo <dnovillo@redhat.com>
6534 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6536 2005-08-19 Devang Patel <dpatel@apple.com>
6538 PR tree-optimization/23048
6539 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6540 third parameter. Check whether latch is dominated by exit
6542 (if_convertible_loop_p): Supply exit block itself to
6543 if_convertible_bb_p.
6545 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6548 * arm.md (arm_load_pic_register): Change argument to the mask of
6549 saved registers. Call thumb_find_work_register if we need a
6550 scratch register on Thumb.
6551 (arm_expand_prologue): Pass empty register set to
6552 arm_load_pic_register.
6553 (thumb_expand_prologue): Pass live_regs_mask directly to
6554 arm_load_pic_register.
6555 * arm-protos.h (arm_load_pic_register): Update prototype.
6557 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
6559 * sh.c (find_sole_member): New function.
6560 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6561 if the record's alignment is larger than the size of its only member.
6563 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
6566 * arm.c (thumb_legitimize_reload_address): New function.
6567 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6568 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6570 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
6572 * config/crx/crx.c: Implement crx_decompose_address. Reject
6573 symbolic displacements since CRX register relative adressing
6574 mode can't handle unsigned 32-bit values as displacements.
6575 * config/crx/crx.h: Simplify definitions, remove redundant
6576 parenthesis and obsolete macros.
6577 * config/crx/crx.opt: Add new switch for debugging addresses.
6578 * config/crx/crx-protos.h: Add new declarations for above.
6580 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
6583 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6586 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6588 * collect2.c (dup2): Delete.
6589 * configure.ac: Don't check for dup2.
6591 * config.in, configure: Regenerate.
6593 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
6595 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6596 record with the type of its only member.
6598 2005-08-18 David Edelsohn <edelsohn@gnu.org>
6600 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6601 define_insn_and_split.
6602 (plus_ltu<mode>_compare): Same.
6603 (gtu<mode>_compare): Same.
6604 (plus_gtu<mode>_compare): Same.
6606 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
6608 PR tree-optimization/22228
6609 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6611 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6612 are recorded in vect_vnames_to_rename for renaming.
6613 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6614 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6615 in vect_vnames_to_rename.
6616 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6617 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6619 2005-08-18 Jan Hubicka <jh@suse.cz>
6622 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6623 info only for local statics, not for member variables.
6625 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6627 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6629 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6631 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6633 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
6636 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6638 2005-08-17 James E Wilson <wilson@specifix.com>
6640 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6643 2005-08-17 David Edelsohn <edelsohn@gnu.org>
6645 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6646 (leu<mode>_compare): Same.
6647 (plus_leu<mode>): Same.
6648 (neg_leu<mode>): Same.
6649 (and_neg_leu<mode): Same.
6650 (ltu<mode>_compare): Same.
6651 (plus_ltu<mode>): Same.
6653 (geu<mode>_compare): Same.
6654 (plus_geu<mode>): Same.
6655 (neg_geu<mode>): Same.
6656 (and_neg_geu<mode>): Same.
6657 (plus_gt<mode>): Same.
6658 (gtu<mode>_compare): Same.
6659 (plus_gtu<mode>): Same.
6661 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
6663 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6664 Move call_table_data to end. Delete spurious .text.
6665 (callt_save_all_interrupt): Fix comment typo.
6667 2005-08-17 James E Wilson <wilson@specifix.com>
6668 Kevin Winchester <winchester@amirix.com>
6671 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6673 2005-08-17 Uros Bizjak <uros@kss-loka.si>
6676 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6677 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6679 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
6681 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6682 record with the type of its only member if the modes don't match.
6684 * varasm.c (decode_reg_name): Skip empty additional register names.
6686 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6688 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6689 lsm_tmp_name_length): New.
6690 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6691 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6693 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6694 Andreas Krebbel <krebbel1@de.ibm.com>
6696 * config.gcc: Added z9-109 switch.
6697 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6698 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6699 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6700 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6701 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6702 for "z9_109" cpu attribute.
6703 * config/s390/s390.c (z9_109_cost): New processor cost structure.
6704 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6705 (s390_handle_arch_option): Added z9-109 switch.
6706 (override_options): Set respective cost function for z9-109.
6707 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6708 (legitimate_reload_constant_p): Accept extended immediates.
6709 (print_operand): Three new output modifiers added: k, m and o.
6710 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6711 (s390_output_mi_thunk): Use extended immediate when possible.
6712 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6713 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6714 (CONSTRAINT_LEN): Added length of O constraint.
6715 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6716 * config/s390/s390.md ("cpu"): New value z9_109 added.
6717 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6718 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6719 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6720 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6721 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6722 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6723 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6724 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6725 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6726 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6727 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6728 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6729 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6730 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6731 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6733 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6734 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6735 insns for TARGET_EXTIMM.
6737 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
6739 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6741 2005-08-17 Nick Clifton <nickc@redhat.com>
6743 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6744 Call default_encode_section_info.
6746 2005-08-17 Steven Bosscher <stevenb@suse.de>
6748 PR tree-optimization/21574
6749 * tree-ssa-ccp.c (likely_value): If the right hand side is a
6750 constant, return CONSTANT.
6751 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6752 (ccp_fold, visit_assignment): Likewise.
6753 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6755 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6757 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6758 fold_buildN instead of buildN then fold_initializer or fold.
6759 (build_unary_op): Likewise.
6760 (build_binary_op): Likewise.
6761 * fold-const.c (fold_initializer): Remove.
6762 (fold_build1_initializer): New function.
6763 (fold_build2_initializer): New function.
6764 (fold_build3_initializer): New function.
6765 * tree.h (fold_initializer): Remove.
6766 (fold_build1_initializer): New function.
6767 (fold_build2_initializer): New function.
6768 (fold_build3_initializer): New function.
6770 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6772 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6773 (try_move_mult_to_index): Call fold_build2 instead of build2.
6774 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6775 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6776 fold_binary_to_constant.
6777 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6779 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6780 check if A == gcd (A, B). Remove TYPE argument.
6781 (analyze_offset) Use fold_build2 instead of fold (build.
6782 (create_data_ref): Likewise.
6783 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6784 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6787 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
6789 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6790 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6792 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
6795 * gimplify.c (zero_sized_type): New function.
6796 (gimplify_modify_expr_rhs): If we have a zero sized type,
6797 replace the statement with an empty statement.
6799 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
6801 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6804 2005-08-16 Ian Lance Taylor <ian@airs.com>
6806 * doc/tm.texi (Label Output): Correct typo.
6808 2005-08-16 Steven Bosscher <stevenb@suse.de>
6811 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6812 force_operand will work later on using have_insn_for.
6814 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6816 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6818 2005-08-16 Ian Lance Taylor <ian@airs.com>
6821 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6822 vector type, don't try to construct it element by element. Add an
6823 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6825 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6827 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6829 2005-08-16 Geoffrey Keating <geoffk@apple.com>
6831 * doc/invoke.texi (Precompiled Headers): Document some more options
6832 which are known to be safe.
6834 2005-08-16 James E Wilson <wilson@specifix.com>
6836 PR tree-optimization/21105
6837 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6838 TREE_OVERFLOW check.
6840 2005-08-16 David Edelsohn <edelsohn@gnu.org>
6842 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6843 (neg_ltu<mode>): Same.
6845 (neg_gtu<mode>): Same.
6847 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6849 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6850 (fold_builtin_isdigit): Use fold_buildN.
6851 (build_function_call_expr): Likewise.
6852 * c-typeck.c (c_finish_loop): Likewise.
6854 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
6855 Richard Shann <rshann@superh.com>
6857 PR middle-end/20396:
6858 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6860 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
6862 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6864 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
6867 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6868 arm_compure_save_reg0_reg12_mask to determine when the PIC register
6871 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6874 * fold-const.c (build_range_check): Disable optimization for function
6875 pointer expressions on targets that require function pointer
6878 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
6880 * simplify-rtx.c (simplify_const_relational_operation): When
6881 extracting arguments of a COMPARE, recompute the mode as well.
6883 2005-08-15 Ian Lance Taylor <ian@airs.com>
6885 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6887 2005-08-15 DJ Delorie <dj@redhat.com>
6889 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6891 (movsi_splittable): Allow, but split, moves to the stack.
6892 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6895 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6897 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6898 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6899 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6901 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6902 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6903 Delete HOST_PTR_PRINTF.
6905 * configure, config.in: Regenerate.
6907 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6909 * config/rs6000/rs6000.md (QHSI): New mode macro.
6910 (wd): Extend mode attr for QImode and HImode
6911 (dbits): New mode attr.
6912 (zero_extend<mode>di2): Convert to mode macro.
6914 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6917 * doc/invoke.texi (-mgnu-ld): Update description.
6920 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6923 * Makefile.in (tree-chrec.o): Depends on real.h.
6924 * tree-chrec.c: Include real.h.
6925 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6926 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6927 * tree-scalar-evolution.c (add_to_evolution_1,
6928 interpret_rhs_modify_expr): Ditto.
6930 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6933 * tree-data-ref.c (estimate_niter_from_size_of_data): When
6934 step is negative compute the estimation from init downwards to zero.
6936 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
6938 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6940 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6942 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6944 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6945 Accept double-word constants that can be split.
6946 * config/s390/s390.md ("movti"): Use 'P' constraint.
6947 ("*movdi_31", "*movdf_31"): Likewise.
6949 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6951 Fix PR tree-optimization/22615
6953 * tree-ssa-structalias.c (solution_set_add): Handle
6954 first_vi_for_offset returning NULL.
6955 (do_da_constraint): Ditto.
6956 (do_sd_constraint): Ditto.
6957 (do_ds_constraint): Ditto
6958 (find_func_aliases): Ditto.
6959 (build_constraint_graph): RHS is allowed be ANYTHING.
6960 (first_vi_for_offset): Return NULL if we couldn't find anything at
6963 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6965 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6966 over memory as first operand.
6968 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6971 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6972 available for setting it.
6974 2005-08-14 Ira Rosen <irar@il.ibm.com>
6976 PR tree-optimization/23320
6977 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6978 data-refs' types instead of base object nullness. Add check for
6979 pointer type data-refs before first location comparison. Remove
6982 2005-08-14 Andreas Schwab <schwab@suse.de>
6984 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6986 2005-08-13 James E Wilson <wilson@specifix.com>
6988 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6989 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6990 -fstack-protector-all, --param ssp-buffer-size): Document.
6991 (-Wvariadic-macros): Alphabetize.
6992 (-fsched-stalled-insns-dep): Add missing 'f'.
6994 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6997 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6999 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7000 or indirect address operand.
7001 (EXTRA_ADDRESS_CONSTRAINT): New.
7002 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7004 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
7006 PR tree-optimization/22236
7007 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7008 successors and predecessors.
7009 * tree-chrec.c (chrec_convert): Before converting, check that
7010 sequences don't wrap.
7011 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7012 (analyze_array): Extern.
7013 (find_data_references_in_loop): Remove call to
7014 compute_estimated_nb_iterations.
7015 * tree-data-ref.h (analyze_array): Declared.
7016 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7017 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7018 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7019 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7021 * tree-ssa-loop-ivcanon.c: Fix documentation.
7022 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7023 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7024 (infer_loop_bounds_from_undefined): New.
7025 (estimate_numbers_of_iterations_loop): Use
7026 infer_loop_bounds_from_undefined.
7027 (used_in_pointer_arithmetic_p): New.
7028 (scev_probably_wraps_p): Pass an extra parameter. Call
7029 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
7030 (convert_step): Fix documentation.
7031 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7032 Use initial_condition_in_loop_num and evolution_part_in_loop_num
7033 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
7034 scev_probably_wraps_p.
7036 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
7038 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7039 (s390_register_info): Ignore clobbered_regs information for fixed
7040 registers, and only fixed registers.
7041 (s390_init_frame_layout): Remove redundant call.
7043 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
7045 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7046 description of -Wold-style-casts.
7048 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7049 Jakub Jelinek <jakub@redhat.com>
7051 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7052 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7053 * config/s390/s390.c (print_operand): New output modifier 'G' added.
7054 (get_thread_pointer): Renamed to s390_get_thread_pointer.
7055 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7056 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7057 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7058 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7059 ("stack_protect_set", "stack_protect_test"): New expanders.
7060 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7061 "stack_protect_testdi"): New insn definitions.
7063 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7065 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7067 2005-08-12 Paul Brook <paul@codesourcery.com>
7069 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7071 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7073 * config/s390/predicates.md (setmem_operand): New predicate.
7074 (shift_count_operand): Accept ANDs with special constants as
7076 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7077 with special constants.
7078 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7079 shift_count_operand with setmem_operand.
7081 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7083 * config/s390/s390.c (s390_extract_part, s390_single_part):
7085 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7086 (s390_output_mi_thunk): Don't use lg on 31 bit.
7087 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7088 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7090 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7092 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7093 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7094 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7095 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7096 with one of the new macros.
7098 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
7100 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7101 Don't set save_return_addr_p.
7102 (s390_register_info): Make clobbered_regs not depending on
7105 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
7107 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7108 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7110 2005-08-11 James E. Wilson <wilson@specifix.com>
7112 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7114 2005-08-11 Jakub Jelinek <jakub@redhat.com>
7116 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7117 locations gathered by var-tracking in single entry loc_list
7118 over loc_descriptor_from_tree.
7120 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7121 pass it down to loc_descriptor.
7122 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7123 (containing_function_has_frame_base): Move earlier in the file.
7124 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7125 instead of always assuming fbreg can't be used.
7127 2005-08-11 David Edelsohn <edelsohn@gnu.org>
7129 * config/rs6000/altivec.md: Change constraint "m" to "Z".
7130 * config/rs6000/predicates.md (indexed_or_indirect_operand):
7131 Accept address wrapped in AND for Altivec.
7132 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7133 Strip AND wrapping offset address for Altivec.
7135 2005-08-11 Richard Henderson <rth@redhat.com>
7138 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7139 before using TYPE_IS_SIZETYPE.
7141 2005-08-11 Richard Henderson <rth@redhat.com>
7144 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7145 insn types not present on ev4.
7146 (alphaev5_insn_pipe): Similarly.
7148 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
7151 * arm.c (arm_override_options): If the user has selected callee-super-
7152 interworking, then enable normal interworking.
7154 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7156 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7159 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
7161 * doc/rtl.texi: Fix two typos.
7163 2005-08-11 Richard Guenther <rguenther@suse.de>
7166 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7167 cases where we call to/from functions returning void.
7169 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
7172 * tree.c (build_pointer_type_for_mode): Robustify.
7174 2005-08-10 James E Wilson <wilson@specifix.com>
7176 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7177 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7179 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7182 2005-08-10 Eric Christopher <echristo@apple.com>
7184 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7185 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7188 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
7191 * config/darwin.c (machopic_indirect_data_reference): Use a new register
7192 for the high part when generating dynamic-no-pic code.
7194 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
7196 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7197 (x86_64-*-linux*): Likewise.
7199 * config/i386/crtfastmath.c: New file.
7200 * config/i386/t-crtfm: Likewise.
7202 * config/i386/linux.h (ENDFILE_SPEC): New.
7203 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7205 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7208 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
7210 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7211 (vec_shl, vec_shr): Document new operations.
7212 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7214 2005-08-10 David Edelsohn <edelsohn@gnu.org>
7216 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7217 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7218 change predicate to indexed_or_indirect_address.
7220 2005-08-10 Richard Sandiford <richard@codesourcery.com>
7222 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7223 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7224 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7225 and __aeabi_uwrite8.
7226 * config/arm/unaligned-funcs.c: New file.
7227 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7229 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
7231 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7233 * cfglayout.c (pass_insn_locators_initialize): Add dump.
7234 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7236 * except.c (pass_convert_to_eh_region_ranges): Add dump.
7237 * final.c (pass_shorten_branches): Add dump.
7238 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7239 (pass_life): Rename dump.
7240 (rest_of_handle_flow2): Remove initial verify_flow_info.
7241 * function.c (pass_instantiate_virtual_regs): Add dump.
7242 * integrate.c (pass_initial_value_sets): Add dump.
7243 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7244 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7245 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7246 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7247 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7248 gate_rtl_unrool_and_peel_loops): New.
7249 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7250 rtl_doloop): Do not look at flags.
7251 * mode-switching.c (pass_mode_switching): Add dump.
7252 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7253 pass_split_before_regstack): Add dump.
7254 * regmove.c (pass_stack_adjustments): Add dump.
7255 * tree-optimize.c (pass_fixup_cfg): Add dump.
7257 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7260 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7261 deciding which instruction sequence to use.
7263 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
7265 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7266 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7268 2005-08-09 Richard Guenther <rguenther@suse.de>
7270 * c-common.c (builtin_function_2): Remove.
7271 (def_builtin_1): New function.
7272 (c_common_nodes_and_builtins): Use def_builtin_1 to
7273 build builtin functions.
7275 2005-08-09 Jie Zhang <jie.zhang@analog.com>
7277 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7278 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7279 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7282 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7284 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7285 fold_binary instead of fold_build2 since we don't care about the
7287 (loop_niter_by_eval): Likewise.
7288 (compare_trees): Likewise.
7289 (proved_non_wrapping_p): Likewise.
7291 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
7295 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7296 if the if is really empty.
7298 2005-08-09 Steven Bosscher <stevenb@suse.de>
7300 PR tree-optimization/23234
7301 * tree-ssa-math-opts.c (place_reciprocal): New enum.
7302 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7303 argument of the new enum.
7304 (execute_cse_reciprocals): Add reciprocals for function arguments
7305 on the unique successor edge of the entry block. Update other calls
7306 to execute_cse_reciprocals_1.
7308 2005-08-08 Richard Henderson <rth@redhat.com>
7311 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7313 2005-08-08 Bob Wilson <bob.wilson@acm.org>
7315 * expr.c (write_complex_part): Return after handling MEM.
7317 2005-08-08 Josh Conner <jconner@apple.com>
7319 PR rtl-optimization/23241
7320 * combine.c (simplify_comparison): Fix error in determining
7321 whether to lift a subreg from comparison.
7323 2005-08-08 David Edelsohn <edelsohn@gnu.org>
7326 * config/rs6000/altivec.md (vec_init<mode>): New.
7327 (vec_set<mode>): New.
7328 (vec_extract<mode>): New.
7329 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7330 (rs6000_expand_vector_set): New.
7331 (rs6000_expand_vector_extract): New.
7332 (rs6000_legitimate_offset_address_p): Offset addresses are valid
7333 for Altivec modes before reload.
7334 (altivec_expand_vec_init_builtin): New.
7335 (get_element_number): New.
7336 (altivec_expand_vec_set_builtin): New.
7337 (altivec_expand_vec_ext_builtin): New.
7338 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7340 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7342 * config/rs6000/rs6000.h (rs6000_builtins): Add
7343 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7344 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7345 * config/rs6000/rs6000-protos.h: Declare new functions.
7347 2005-08-08 Jan Hubicka <jh@suse.cz>
7349 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7350 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7351 * i386.md (movdi*): Use pic_32bit_operand.
7352 * predicates.md (pic_32bit_operand): New.
7354 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
7357 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7359 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
7361 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7362 (test_for_singularity): Use fold_build2.
7364 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7366 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7368 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
7370 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7371 (COMMON_ASM_OP) Define.
7372 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7373 (ix86_encode_section_info): Likewise.
7374 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7375 SUBTARGET_ENCODE_SECTION_INFO.
7377 2005-08-06 Richard Henderson <rth@redhat.com>
7380 * tree-nested.c (convert_local_reference): Save and restore val_only
7381 around component_ref and friends. Clear walk_subtrees by default.
7383 2005-08-06 Peter O'Gorman <peter@pogma.com>
7386 * gcc.c (process_command): Check the argument to -b has a dash.
7387 * doc/invoke.texi: Update -b and -V docs.
7389 2005-08-06 James E Wilson <wilson@specifix.com>
7391 * config/mips/cross64.h, config/mips/t-cross64: Delete.
7393 2005-08-06 Michael Matz <matz@suse.de>
7395 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7396 member only if only one insn is associated with the value.
7398 2005-08-06 Nick Clifton <nickc@redhat.com>
7400 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7402 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7403 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7404 Check symbol flags instead of symbol name mangling.
7405 (xstormy16_asm_output_aligned_common): Likewise. Also
7406 simplify code since the bss100_section cass is the only case
7407 where the below100 code will be triggered.
7408 (xstormy16_encode_section_info): Encode below100 attribute
7409 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7411 (xstormy16_strip_name_encoding): Delete - this function is no
7413 (TARGET_STRIP_NAME_ENCODING): Undefine.
7414 * config/stormy16/stormy16-protos.h: Delete prototype for
7415 xstormy16_strip_name_encoding.
7417 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
7419 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7420 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7421 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7422 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7423 config/alpha/predicates.md, config/arc/arc.h,
7424 config/arm/arm.h, config/arm/ieee754-df.S,
7425 config/arm/ieee754-sf.S, config/bfin/bfin.c,
7426 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7427 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7428 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7429 config/m68hc11/m68hc11.h, config/mips/mips.c,
7430 config/mips/mips.h, config/mips/openbsd.h,
7431 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7432 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7433 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7434 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7435 config/sparc/linux.h, config/sparc/linux64.h,
7436 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7437 doc/extend.texi, doc/gcov.texi, doc/install.texi,
7438 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7439 typos. Follow spelling conventions.
7441 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
7444 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7445 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7446 specially. Check for side effects only for COND_EXPR.
7447 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7448 return with TREE_NO_WARNING.
7450 2005-08-06 Richard Sandiford <richard@codesourcery.com>
7452 PR rtl-optimization/23233
7453 * loop.c (combine_movables): Require the modes to be the same.
7454 (move_movables): Remove handling of cases where the replacement
7455 had a different mode to the original.
7457 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
7459 PR tree-optimization/23128
7460 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7461 subtraction wrap, and set TREE_OVERFLOW if they do.
7463 2005-08-05 Richard Henderson <rth@redhat.com>
7466 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7467 FORCED_LABEL labels.
7469 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
7472 * reload.c (find_reloads_subreg_address): Pass down TYPE
7473 unchanged. Change all callers except find_reloads_toplev.
7475 2005-08-05 Michael Matz <matz@suse.de>
7477 * genattrtab.c (current_alternative_string): Remove.
7478 (SIMPLIFY_ALTERNATIVE): Ditto.
7479 (attr_alt_bit_p): Ditto.
7480 (alternative_name): Make const char *.
7481 (evaluate_eq_attr): Remove use of above things.
7482 (simplify_test_exp): Ditto.
7483 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7484 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7486 2005-08-04 James E Wilson <wilson@specifix.com>
7488 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7489 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7490 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7491 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7492 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7494 2005-08-04 Richard Henderson <rth@redhat.com>
7497 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7498 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7499 * tree-sra.c (decide_block_copy): Use it. Disable element copy
7500 if we'd have to instantiate too many members.
7502 2005-08-04 Richard Henderson <rth@redhat.com>
7505 * tree-outof-ssa.c (coalesce_asm_operands): New.
7506 (coalesce_ssa_name): Use it. Split out ...
7507 (coalesce_phi_operands, coalesce_result_decls): ... these.
7509 2005-08-04 Paul Brook <paul@codesourcery.com>
7511 * read-rtl.c (read_quoted_string): Break if EOF.
7513 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
7515 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7516 (fold_build2): Likewise.
7517 (fold_build3): Likewise.
7518 (fold_build1_stat): New function prototype.
7519 (fold_build2_stat): Likewise.
7520 (fold_build3_stat): Likewise.
7521 * fold-const.c (fold_build1): Rename to ..
7522 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7523 through to build1_stat.
7524 (fold_build2): Rename to ..
7525 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7526 through to build2_stat.
7527 (fold_build3): Rename to ..
7528 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
7529 through to build3_stat.
7531 2005-08-04 David Edelsohn <edelsohn@gnu.org>
7532 Ian Lance Taylor <ian@airs.com>
7534 * function.c (assign_stack_local_1): Do not correct stack slot
7535 address if allocation size is smaller than mode size.
7537 2005-08-04 Diego Novillo <dnovillo@redhat.com>
7540 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7541 (tree_merge_blocks): Propagate anything allowed by
7543 Clarify documentation.
7544 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7545 SSA form, schedule an update if necessary.
7547 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
7549 * doc/install.texi (Binaries): Remove broken link to
7550 Sinix/Reliant Unix binaries.
7552 2005-08-03 Richard Henderson <rth@redhat.com>
7555 * function.c (stack_protect_epilogue): Export.
7556 * tree.h (stack_protect_epilogue): Declare.
7557 * calls.c (expand_call): Call it.
7559 2005-08-03 Eric Christopher <echristo@apple.com>
7561 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7562 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7565 2005-08-04 Jan Hubicka <jh@suse.cz>
7567 * profile.c (branch_prob): Split edges with goto locus on them
7568 to get proper line counts.
7569 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7571 2005-08-03 Paul Brook <paul@codesourcery.com>
7573 * function.c (assign_parms): Round current_function_args_size
7574 to PARM_BOUNDARY, not STACK_BOUNDARY.
7576 2005-08-03 Geoffrey Keating <geoffk@apple.com>
7578 * config/i386/i386.c (x86_elf_aligned_common)
7579 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7581 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
7583 PR tree-optimization/23157
7584 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7585 before emitting them.
7587 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7589 PR tree-optimization/19899
7590 * Makefile.in (tree-scalar-evolution.o): Add real.h.
7591 * tree-scalar-evolution.c: Include real.h.
7592 (add_to_evolution): Build constant -1 of correct type.
7594 2005-08-03 Jan Hubicka <jh@suse.cz>
7596 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7597 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7598 profile updating for complette unrolling.
7599 * loop-unroll.c (peel_loop_completely): Use it.
7600 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7601 (tree_unroll_loops_completely): Disable code growing unrolling of cold
7604 2005-08-03 Paul Brook <paul@codesourcery.com>
7606 * combine.c (can_change_dest_mode): New function.
7607 (try_combine, simplify_set): Use it.
7609 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
7611 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7614 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
7616 * doc/install.texi (Specific): Adjust link to openavr.org.
7617 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7618 (Binaries): Adjust HP-UX Porting Center link.
7619 (Binaries): Adjust Free Software Foundation ordering link.
7621 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
7623 * convert.c (convert_to_integer): Use fold_build1 instead of
7624 build1 when converting an integer to an integer.
7626 2005-08-02 Richard Henderson <rth@redhat.com>
7628 * combine.c (combine_instructions): Don't use reg_equal/equiv
7629 results if the mode doesn't match.
7631 2005-08-02 Mark Mitchell <mark@codesourcery.com>
7633 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7634 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7636 2005-08-02 Richard Henderson <rth@redhat.com>
7639 * explow.c (memory_address): Remove special-case for
7640 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7642 2005-08-02 Diego Novillo <dnovillo@redhat.com>
7645 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7646 number of calls to cleanup_tree_cfg_1.
7648 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
7650 * doc/invoke.texi: document file extensions .F90 and .F95
7652 2005-08-02 Richard Guenther <rguenther@suse.de>
7654 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7655 positive if its first argument is positive.
7657 2005-08-02 Richard Guenther <rguenther@suse.de>
7659 PR tree-optimization/23177
7660 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7663 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
7665 PR tree-optimization/23129
7666 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7667 varying for divisions with anti-ranges.
7669 2005-08-02 Jan Hubicka <jh@suse.cz>
7671 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7672 * tree-ssa-threadupdate.c (thread_block): Add it here.
7674 2005-08-01 James E Wilson <wilson@specifix.com>
7676 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7677 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7678 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7680 * config/mips/predicates.md (const_call_insn_operand): Add check for
7681 SYMBOL_REF_LONG_CALL_P.
7682 * doc/extend.texi (long_call): Document the new attribute.
7684 2005-08-01 Ian Lance Taylor <ian@airs.com>
7685 Richard Henderson <rth@redhat.com>
7687 * Makefile.in (RTL_BASE_H): Add real.h.
7688 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7690 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7692 * rtl.c (rtl_check_failed_code_mode): New.
7693 * rtl.h (struct rtx_def): Add u.rv.
7694 (XCMWINT, XCNMPRV): New.
7695 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7696 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7698 2005-08-01 Richard Henderson <rth@redhat.com>
7700 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7701 with auto-inc codes.
7703 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7705 2005-08-01 Jan Hubicka <jh@suse.cz>
7707 * i386-protos.h (asm_preferred_eh_data_format): Declare.
7708 * i386.c: Include dwarf2.h
7709 (asm_preferred_eh_data_format): New.
7710 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7712 2005-08-01 Ian Lance Taylor <ian@airs.com>
7714 * config/host-linux.c (linux_gt_pch_get_address): Add new name
7715 randomize_va_space for virtual address randomization control.
7717 2005-08-01 Steven Bosscher <stevenb@suse.de>
7719 * common.opt (flag_ipa_cp): Put in right place to maintain
7722 2005-08-01 Jan Hubicka <jh@suse.cz>
7724 * profile.c (compute_value_histograms): Fix thinko.
7725 * value-prof.c: Include toplev.h
7726 (check_counter): New function.
7727 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7728 tree_mod_subtract_transform): Add sanity check.
7730 2005-08-01 Richard Guenther <rguenther@suse.de>
7732 PR tree-optimization/23133
7733 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7734 current functions parameter decls to find defs to cse
7737 2005-08-01 Richard Guenther <rguenther@suse.de>
7739 PR tree-optimization/23109
7740 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7741 If trapping math is in effect, use post-dominator information
7742 to check if we'd in any case reach a trapping point before
7743 doing the reciprocal insertion.
7744 (execute_cse_reciprocals): Compute post-dominators, if necessary.
7745 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7746 expressions are invariant only if trapping math is not in effect.
7748 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7750 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7751 cgraph_function_versioning): New declarations.
7752 * cgraphunit.c: Add include to ipa-prop.h.
7753 (update_call_expr, cgraph_copy_node_for_versioning,
7754 cgraph_function_versioning): New functions.
7755 * integrate.c (copy_decl_for_inlining): Remove.
7756 * ipa-prop.h (ipa_replace_map): New struct.
7757 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7758 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7759 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7760 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7761 ipcp_iterate_stage, ipcp_method_scale_print,
7762 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7763 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7764 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7765 ipcp_update_bb_counts, ipcp_update_profiling,
7766 ipcp_update_edges_counts): New functions.
7767 (ipcp_method_cval_init): Remove restriction regarding local methods.
7768 (ipcp_init_stage): Add ipcp_method_compute_scale.
7769 (ipcp_insert_stage): Add versioning.
7770 (ipcp_structures_print): Add ipcp_method_scale_print.
7771 (ipcp_driver): Dump profiling info.
7772 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7773 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7774 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7775 (struct inline_data): Add versioning_p, ipa_info, new fields.
7776 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7777 declare_return_variable): Replace calls to copy_decl_for_inlining with
7779 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7781 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7782 Add argument VERSIONING.
7783 (copy_arguments_for_versioning, copy_static_chain,
7784 function_versionable_p, tree_versionable_function_p,
7785 tree_function_versioning, replace_ref_tree): New functions.
7786 * tree-inline.h: Include varray.h.
7787 (tree_versionable_function_p, tree_function_versioning,
7788 tree copy_decl_for_dup): New declarations.
7790 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7792 * ipa-cp.c: New file. Contains IPCP specific functionality.
7793 * ipa-prop.h: New file. Contains structures/definitions that can be
7794 used by several interprocedural data flow optimizations (and also IPCP).
7795 * ipa-prop.c: New file.
7796 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7797 * common.opt: Add ipa-cp flag.
7798 * timevar.def: Add IPCP optimization.
7799 * tree-optimize.c (init_tree_optimization_passes): Schedule
7801 * tree-pass.h (pass_ipa_cp): Declare.
7803 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
7805 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7806 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7807 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7808 config/i386/i386.c, config/mips/mips.h,
7809 config/rs6000/rs6000.h, config/sh/sh.c,
7810 config/stormy16/stormy16.c: Fix comment typos.
7812 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
7815 * c-typeck.c (build_binary_op): Use common_type wrapper on
7817 (common_type): Update comment.
7819 2005-07-31 Steven Bosscher <stevenb@suse.de>
7822 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7823 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7824 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7826 2005-07-31 Jan Hubicka <jh@suse.cz>
7828 * pretty-print.h (pp_widest_integer): New macro.
7829 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7832 2005-07-31 Jan Hubicka <jh@suse.cz>
7834 * output.h (enum section_category): Export from varasm.c
7835 (categorize_decl_for_section): Likewise.
7836 * varasm.c (enum section_category): Kill.
7837 (categorize_decl_for_section): Make global.
7838 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7840 * i386.c (ix86_section_threshold): New static variable.
7841 (ix86_in_large_data_p, ix86_encode_section_info,
7842 x86_64_elf_unique_section,
7843 x86_64_elf_select_section): New functions.
7844 (TARGET_ENCODE_SECTION_INFO): Define
7845 (override_options): Enable medium model for PIC.
7846 (ix86_expand_prologue): Expand gen_set_got_rex64.
7847 (legitimate_constant_p): Handle new UNSPECs.
7848 (legitimate_pic_address_disp_p): Likewise.
7849 (legitimize_pic_address): Lower MEDIUM model addressing.
7850 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7851 (enum cmodel): Add MEDIUM_PIC.
7852 (SYMBOL_REF_FAR_ADDR_P): New macro.
7853 (SYMBOL_FLAG_FAR_ADDR): New flag.
7854 * i386.md (movdi): Support medium model.
7855 (set_got_rex64): New pattern.
7856 * i386.opt (mlarge-data-threshold): New flag.
7857 * predicates.md (zext_operand/sext_operand): Deal with medium model.
7858 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7859 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7860 TARGET_ASM_UNIQUE_SECTION): New.
7862 * invoke.texi (-mlarge_data_threshold): Document
7864 2005-07-31 Jan Hubicka <jh@suse.cz>
7866 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7867 (coalesce_vars): Likewise.
7868 * tree-ssa-live.c (coalesce_cost): New.
7869 (build_tree_conflict_graph): Use coalesce_cost.
7870 * tree-ssa-live.h (coalesce_cost): Declare.
7872 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
7874 * arm.md (all peepholes for post-increment operations): Delete.
7875 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7876 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7877 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7878 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7879 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7881 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
7883 * fold-const.c (tree_expr_nonnegative_p): Always return true for
7886 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
7889 * doc/invoke.texi: Document -rdynamic.
7891 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
7894 * c-parser.c (c_parser_parms_list_declarator): Call
7895 mark_forward_parm_decls.
7896 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7897 decls with visibility structure.
7899 2005-07-30 Paul Brook <paul@codesourcery.com>
7901 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7903 2005-07-30 Paul Brook <paul@codesourcery.com>
7905 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7907 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7909 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7911 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7914 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7915 nested function declarators.
7916 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7917 (grokparms): Call warn_if_shadowing for parameters used within the
7919 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7920 not used within the parameter list.
7921 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7923 2005-07-30 Jan Hubicka <jh@suse.cz>
7925 * expr.c (expand_expr_real_1): Do not load mem targets into register.
7926 * i386.c (ix86_fixup_binary_operands): Likewise.
7927 (ix86_expand_unary_operator): Likewise.
7928 (ix86_expand_fp_absneg_operator): Likewise.
7929 * optabs.c (expand_vec_cond_expr): Validate dest.
7931 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7934 * real.c (real_from_string): Also set last bit if there is a
7935 nonzero hex digit beyond GCC's internal precision after ".".
7937 2005-07-29 David Edelsohn <edelsohn@gnu.org>
7939 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7940 define_constants. Change duplicate values to unassigned numbers.
7941 Change UNSPEC_SUBS to UNSPEC_VSUBS.
7942 (*altivec_vspltsf): New.
7943 (altivec_vperm_v4sf): Delete.
7944 (altivec_vperm_<mode>): Use mode macro V.
7945 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7946 (altivec_predicate_v4sf): Delete.
7947 (altivec_predicate_<mode>): Use mode macro V.
7948 (*altivec_lvesfx): New.
7949 (*altivec_stvesfx): New.
7950 (vec_realign_load_v4sf): Delete.
7951 (vec_realign_load_<mode>): Use mode macro V.
7952 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7955 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7958 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7960 * configure: Regenerated.
7962 2005-07-29 Paul Brook <paul@codesourcery.com>
7964 * doc/install.texi: Add link to GFortran binaries wiki page.
7966 2005-07-29 David Ung <davidu@mips.com>
7968 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7969 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7970 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7971 * config/mips/mips.md (cpu): Add 5kf name.
7972 (includes): Includes 5k.md.
7973 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7974 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7977 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7980 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7981 (cleanup_tree_cfg): ... here.
7982 Call cleanup_tree_cfg_1 until there are no more cleanups to
7985 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7987 * tree-vrp.c (compare_range_with_value): Return true or false
7988 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7989 EQ_EXPR respectively.
7991 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7993 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7996 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7998 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7999 (tree_ssa_dominator_optimize): Increment it.
8000 (dump_dominator_optimization_stats): Print it.
8002 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
8003 Steven Bosscher <stevenb@suse.de>
8005 PR rtl-optimization/23117
8006 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8007 when head == tail. Tidy comment.
8009 2005-07-28 Richard Henderson <rth@redhat.com>
8011 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8012 * cselib.c (rtx_equal_for_cselib_p): Likewise.
8013 * jump.c (rtx_renumbered_equal_p): Likewise.
8014 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8015 CONST_INT and CONST_DOUBLE.
8016 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8017 * reload.c (operands_match_p): Special case CONST_INT and
8018 CONST_DOUBLE; check mode earlier.
8020 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8023 * c-typeck.c (convert_for_assignment): Do not check
8024 DECL_IN_SYSTEM_HEADER on NULL fundecl.
8026 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8029 * c-typeck.c (composite_type): Prefer constant size arrays to
8032 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
8035 * real.c (real_from_string): Set last bit if there is a nonzero
8036 hex digit beyond GCC's internal precision.
8038 2005-07-28 Richard Henderson <rth@redhat.com>
8041 * cfgcleanup.c (try_forward_edges): Watch out for end of
8044 2005-07-28 James E Wilson <wilson@specifixinc.com>
8047 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8049 2005-07-28 Jan Hubicka <jh@suse.cz>
8051 * Makefile.in (rtl-profile.o): Kill all traces of it.
8052 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8053 * coverage.h (rtl_coverage_counter_ref): Kill.
8054 * opts.c (flag_speculative_prefetching_set): Kill.
8055 (flag_loop_optimize_set): New.
8056 (common_handle_option): Disable loop optimizer when profiling;
8057 do not handle speculative prefetching.
8058 * passes.c (init_optimization_passes): Replace pass_profiling combo
8059 by branch_prob pass.
8060 * profile.c (compute_value_histograms): Update for simplified value
8062 (rtl_register_profile_hooks): Kill.
8063 (pass_profiling): Kill.
8064 (rest_of_handle_branch_prob): Do not profile.
8065 * toplev.c (process_options): Remove speculative prefetching.
8066 * toplev.h (flag_tree_based_profiling): Kill.
8067 * tree-profile.c (prepare_instrumented_value,
8068 tree_gen_interval_profiler, tree_gen_pow2_profiler,
8069 tree_gen_one_value_profiler, do_tree_profiling): Update for
8070 simplified datastructures.
8071 * value-prof.c: Add comment that speculative prefetching was dropped;
8072 update rest of file for simplified datastructures.
8073 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8074 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8075 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8076 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8077 rtl_mod_subtract, gen_speculative_prefetch,
8078 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8079 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8080 (gate_handle_value_profile_transformations,
8081 rest_of_handle_value_profile_transformations,
8082 pass_value_profile_transformations): Kill.
8083 * value-prof.h (histogram_value_t): Remove IL based unions.
8084 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8085 rtl_profile_hooks): Remove hooks.
8087 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8089 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8090 (cgraph_clone_node): Likewise.
8091 * cgraph.h (cgraph_clone_edge): Update prototype.
8092 (cgraph_clone_node): Likewise.
8093 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8095 (lookup_recursive_calls): Consider profile.
8096 (cgraph_decide_recursive_inlining): Fix updating; use new
8097 probability argument; use profile.
8098 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8099 * tree-inline.c (copy_bb): Update clal of clone_edge.
8100 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8102 * invoke.texi (min-inline-recursive-probability): Document.
8104 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
8106 * doc/install.texi (Configuration): Update Valgrind homepage.
8108 2005-07-28 Richard Henderson <rth@redhat.com>
8111 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8112 labels we want to delete.
8113 (cfg_layout_merge_blocks): Likewise.
8115 2005-07-28 Richard Henderson <rth@redhat.com>
8118 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8119 when expanding to nothing.
8121 2005-07-28 Josh Conner <jconner@apple.com>
8123 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8124 (cgraph_decide_inlining_of_small_functions): Likewise.
8126 2005-07-28 Josh Conner <jconner@apple.com>
8128 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
8129 direction of badness if negative.
8130 (cgraph_default_inline_p): Add reason to parameters, and assign it
8132 (cgraph_decide_inlining_of_small_functions): New parameter in call
8133 to cgraph_default_inline_p.
8134 (cgraph_decide_inlining_incrementally): Likewise.
8135 * cgraphunit.c (decide_is_function_needed): Likewise.
8136 * cgraph.h (cgraph_default_inline_p): Likewise.
8138 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8140 * builtins.c: Fix comment typo(s).
8141 * genautomata.c: Likewise.
8142 * gimplify.c: Likewise.
8143 * tree-dfa.c: Likewise.
8144 * tree-flow-inline.h: Likewise.
8145 * tree-into-ssa.c: Likewise.
8146 * tree-ssa-alias.c: Likewise.
8147 * tree-ssa-ccp.c: Likewise.
8148 * tree-ssa-copy.c: Likewise.
8149 * tree-ssa-dce.c: Likewise.
8150 * tree-ssa-dom.c: Likewise.
8151 * tree-ssa-operands.c: Likewise.
8152 * tree-tailcall.c: Likewise.
8153 * tree-vectorizer.c: Likewise.
8154 * tree-vrp.c: Likewise.
8157 2005-07-28 Jeff Law <law@redhat.com>
8159 * tree-vrp.c (test_for_singularity): Extracted from ...
8160 (simplify_cond_using_ranges): Attempt to simplify a relational
8161 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
8163 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
8165 PR tree-optimization/22506
8166 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8167 phis whose argument is constant.
8169 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
8171 PR rtl-optimization/18992
8172 Back out this patch:
8173 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8174 PR optimization/12142
8175 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8176 uses of the register in the SET_SRC. Remove unnecessary argument.
8178 Replace it with this:
8179 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8180 if flag_non_call_exceptions is set and the insn may trap, pass
8181 pc_rtx as dest for recursion.
8182 In SET_SRC part of SET case, if dest is already set, pass it down
8185 2005-07-28 Jan Hubicka <jh@suse.cz>
8187 * cfg.c (update_bb_profile_for_threading): Use RDIV.
8188 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8189 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8191 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8192 profile when available.
8194 2005-07-28 Jan Beulich <jbeulich@novell.com>
8196 * config/ia64/ia64.c (ia64_load_pair_ok): New.
8197 (ia64_print_operand): Describe and handle 'X'.
8198 (ia64_register_move_cost): Also handle FP_REGS.
8199 (ia64_preferred_reload_class): Likewise.
8200 (ia64_secondary_reload_class): Likewise.
8201 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8202 it. Also check for ITANIUM_CLASS_FLDP.
8203 * config/ia64/ia64.h (FP_REGNO_P): New.
8204 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8205 (reg_class): Add FP_REGS.
8206 (REG_CLASS_NAMES): Adjust for it.
8207 (REG_CLASS_CONTENTS): Likewise.
8208 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8209 (REG_CLASS_FROM_LETTER): Handle 'x'.
8210 (CLASS_MAX_NREGS): Handle FP_REGS.
8211 (MEMORY_MOVE_COST): Likewise.
8212 * config/ia64/ia64.md (itanium_class): Add fldp.
8213 (type): Handle fldp.
8214 (movti_internal): More allowable operand combinations. Use ldfp8 when
8215 splitting unnecessary. Remove predicable attribute. Adjust
8216 itanium_class attribute.
8217 (smuldi3_highpart): Remove outdated comment.
8218 (mulditi3, umulditi3, rotlti3): New expanders.
8219 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8220 (absti2): Disabled new insn for future reference.
8221 Respective new splitters.
8222 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8223 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8224 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8226 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
8228 PR rtl-optimization/23047
8229 * simplify-rtx.c (simplify_const_relational_operation): Respect
8230 flag_wrapv for comparisons with ABS.
8232 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
8234 PR tree-optimization/22493
8235 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8236 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8238 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
8240 * config/frv/frv.opt (moptimize-membar): New.
8242 * doc/invoke.texi: Document -moptimize-membar and its inverse.
8244 * config/frv/frv.h: Remove machine_function definition.
8246 * config/frv/frv.c (struct frv_io): New.
8247 (struct machine_function): Moved from frv.h. Add has_membar_p.
8248 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8249 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8250 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8251 (frv_optimize_membar_global, frv_optimize_membar): New functions.
8252 (frv_reorg): Call frv_optimize_membar when appropriate.
8253 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8254 (frv_expand_builtin): Adjust calls accordingly.
8255 (frv_io_address_cookie): New function.
8256 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8257 load or store rather than a special insn. Add ccnstant address and
8258 io-type operands to the membar.
8259 (frv_ifcvt_modify_tests): Unsign regno.
8260 (frv_ifcvt_modify_tests): Same.
8262 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
8263 UNSPEC_OPTIONAL_MEMBAR constant.
8264 (builtin_read_<mode>): Delete.
8265 (builtin_write_<mode>): Delete.
8266 ("optional_membar_<mode>"): Add operand.
8268 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8269 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8270 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8271 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8272 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8273 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8274 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8275 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8276 * testsuite/gcc.target/frv/all-read-write-1.c: New.
8278 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
8280 * df.c (df_uses_record): Handle SCRATCH.
8282 2005-07-28 Steven Bosscher <stevenb@suse.de>
8285 * passes.c (rest_of_decl_compilation): If decl is a type and
8286 we have encountered errors, don't emit debug information.
8288 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8290 * params.def: Fixed comment.
8292 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
8295 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8296 (TARGET_ASM_UNALIGNED_HI_OP): Add.
8297 (TARGET_ASM_UNALIGNED_SI_OP): Add.
8299 2005-07-27 Steven Bosscher <stevenb@suse.de>
8302 * varasm.c (assemble_start_function): Don't do anything that may
8303 require a CFG if the current function is a thunk.
8305 2005-07-25 Geoffrey Keating <geoffk@apple.com>
8307 * doc/install.texi (Prerequisites): Mention that perl is needed
8308 to do export control in libstdc++ targetting Darwin.
8310 2005-07-27 Steven Bosscher <stevenb@suse.de>
8312 PR rtl-optimization/17808
8313 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8314 (sched_insns_conditions_mutex_p): Split out from...
8315 (add_dependence): ...here. But don't call it from here.
8316 (add_dependence_list): Check sched_insns_conditions_mutex_p
8317 before calling add_dependence.
8318 (add_dependence_list_and_free): Likewise.
8319 (fixup_sched_groups): Likewise.
8320 (sched_analyze_1): Likewise.
8321 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8322 (sched_analyze): Likewise.
8323 (sched_analyze_insn): Likewise.
8324 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8325 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
8326 dependencies on all COND_EXEC insns to jumps ending basic blocks
8327 when doing intrablock scheduling.
8328 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8330 2005-07-27 Jeff Law <law@redhat.com>
8332 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8333 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
8334 equivalency sets, correctly handle the case were vr0 has an
8335 equivalency set, but vr1 does not.
8337 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
8339 PR tree-optimization/23073
8340 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8341 vect_print_dump_info before fprintf.
8343 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8345 PR tree-optimize/22348
8346 * tree-ssa-loop-niter.c (number_of_iterations_cond):
8347 Fold the partial computation.
8349 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8351 PR tree-optimization/22325
8352 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8354 * tree-scalar-evolution.c (scev_const_prop): Add generic final
8356 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8357 (force_var_cost): ... this function.
8358 (compute_phi_arg_on_exit): Export.
8360 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
8362 PR tree-optimization/20773
8363 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8366 2005-07-27 Richard Guenther <rguenther@suse.de>
8368 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8369 Avoid pushing again if current struct contains only
8370 fields we decomposed.
8372 2005-07-27 Jan Hubicka <jh@suse.cz>
8374 PR tree-optimization/22574
8375 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8378 * tree-tailcall.c (decrease_profile): New function.
8379 (eliminate_tail_call): Use it.
8381 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8382 visibility flags correctly in whole program mode.
8384 2005-07-26 Steve Ellcey <sje@cup.hp.com>
8386 PR rtl-optimization/22472
8387 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8389 2005-07-26 Steven Bosscher <stevenb@suse.de>
8391 PR tree-optimization/22504
8392 * tree-complex.c (expand_complex_addition): Use 'code' instead
8393 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8395 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8397 * config.gcc (cpu_type): Add frv case.
8398 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8399 (supported_defaults): Add fr550 case.
8401 2005-07-26 Diego Novillo <dnovillo@redhat.com>
8404 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8405 whether a pointer of type T * may point to objects of type T *.
8407 2005-07-26 DJ Delorie <dj@redhat.com>
8409 * configure: Regenerate.
8411 2005-07-26 Dale Johannesen <dalej@apple.com>
8413 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
8415 2005-07-26 Mark Mitchell <mark@codesourcery.com>
8417 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8418 Clarify use of "build" in name.
8420 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
8422 * doc/extend.texi (Raw read/write Functions): New section.
8423 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8424 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8425 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8426 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8427 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8428 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8429 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8430 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8431 * config/frv/frv.c: Add bdesc_loads global.
8432 Add bdesc_stores global.
8433 (frv_init_builtins): Add support for __builtin_{read/write}*.
8434 (frv_volatile_memref): New.
8435 (frv_expand_load_builtin): New.
8436 (frv_expand_store_builtin): New.
8437 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8438 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8439 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8440 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8441 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8442 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8443 (builtin_read_<mode>): New.
8444 (builtin_write_<mode>): New.
8445 (builtin_write64): New.
8446 (optional_membar_<mode>): New.
8448 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
8450 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8451 (rather than units) against HOST_BITS_PER_WIDE_INT.
8453 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
8455 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8456 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8457 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8458 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8461 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8462 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8463 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8465 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8467 2005-07-26 Richard Guenther <rguenther@suse.de>
8469 PR tree-optimization/22486
8470 * fold-const.c (fold_unary): Fold away useless component
8471 references of the form (T *)&T.x, if the address
8474 2005-07-25 James E Wilson <wilson@specifixinc.com>
8476 * dwarf2out.c (add_call_src_coords_attributes): New.
8477 (gen_inlined_subroutine_die): Call it.
8478 (maybe_emit_file, init_file_table): Add comments.
8479 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8481 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8482 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8483 * tree.h (BLOCK_SOURCE_LOCATION): New.
8484 (struct tree_block): New field locus.
8486 2005-07-26 Andreas Schwab <schwab@suse.de>
8488 PR rtl-optimization/23043
8489 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8490 when allocating a struct unoccr.
8492 2005-07-25 Richard Henderson <rth@redhat.com>
8495 * tree-complex.c (gate_no_optimization): True if errors.
8496 * Makefile.in (tree-complex.o): Update dependencies.
8498 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
8500 * config/frv/predicates.md (integer_register_operand): Use
8503 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8506 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8508 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8510 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
8512 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8513 types when flag_unsafe_math_optimizations is true.
8515 2005-07-25 Mark Mitchell <mark@codesourcery.com>
8517 * gcc.c (option_map): Add --sysroot.
8518 (process_command): Handle --sysroot.
8519 (display_help): Document it.
8520 * doc/cppopts.tex (-isysroot): Document.
8521 * doc/invoke.texi (--sysroot): Document.
8522 * doc/install.texi (--with-build-sysroot): Document.
8524 * Makefile.in (inhibit_libc): New variable.
8525 (INHIBIT_LIBC_CFLAGS): Likewise.
8526 (LIBGCC2_CFLAGS): Include
8527 $(INHIBIT_LIBC_CFLAGS).
8528 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8529 ($(T)crtbegin.o): Do not use @inhibit_libc@.
8530 ($(T)crtend.o): Likewise.
8531 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8532 ($(T)crtendS.o): Likewise.
8533 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8534 ($(T)crtendT.o): Likewise.
8535 (stmp-fixinc): Do not complain about missing headers if
8537 * configure.ac (inhibit_libc): Set it to true/false.
8538 (--with-build-sysroot): New option. Use it to set
8540 * configure: Regenerated.
8542 2005-07-25 Manfred Hollstein <mh@suse.com>
8544 * calls.c (store_one_arg): Fix unsigned comparison warning.
8546 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
8549 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8550 (ggc_print_statistics): Initialize variable before use.
8552 2005-07-25 Richard Guenther <rguenther@suse.de>
8554 * tree-dfa.c (mark_new_vars_to_rename): Protect against
8555 calling with a PHI_NODE argument.
8557 * tree-flow-inline.h (overlap_subvar): Protect against
8560 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
8562 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8563 * configure: Regenerate.
8565 2005-07-25 Ira Rosen <irar@il.ibm.com>
8567 * expr.c (highest_pow2_factor): Make extern.
8568 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8569 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8570 record_array_differ_p, array_ptr_differ_p): Likewise.
8571 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8572 additional cases. Call the above functions.
8573 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8574 base_object_differ_p when there are two base objects. Otherwise, compare
8575 base address and offset. Call may_alias_p.
8576 (dump_data_reference): Use a correct field name.
8577 (analyze_array): Make static. Initialize new data-ref fields.
8578 (analyze_indirect_ref): New function.
8579 (init_data_ref): Initialize new data-ref fields.
8580 (strip_conversion): Moved from tree-vect-analyze.c.
8581 (analyze_offset_expr, get_ptr_offset, address_analysis,
8582 object_analysis): Likewise.
8583 (analyze_offset): New function.
8584 (create_data_ref): Likewise.
8585 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8586 dimensions for ARRAY_REFs only.
8587 (build_classic_dist_vector): Make static.
8588 (access_functions_are_affine_or_constant_p): Call macro to get the
8589 address of access functions.
8590 (compute_all_dependences): Add new parameter
8591 compute_self_and_read_read_dependences. Compute self and read-read
8592 dependences if it is true.
8593 (find_data_references_in_loop): Call create_data_ref. Initialize new
8595 (compute_data_dependences_for_loop): Add new parameter
8596 compute_self_and_read_read_dependences. Remove parameter nb_loops,
8597 compute nb_loops. Call compute_all_dependences,
8598 build_classic_dist_vector and build_classic_dir_vector with correct
8600 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8601 with correct parameters. Compare dimensions for ARRAY_REFs only.
8602 (free_data_refs): Call macro to free access functions.
8603 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8604 fields from stmt_vinfo.
8605 (struct base_object_info): New structure.
8606 (struct data_reference): Move fields to base_object_info. Add fields
8607 first_location and object_info for above structures. Move fields from
8608 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8609 aligned_to. Add macros to access the new fields.
8610 Update functions declarations.
8611 * tree-flow.h (is_aliased_with): Declare.
8612 * tree-loop-linear.c (linear_transform_loops): Call
8613 compute_data_dependences_for_loop with correct parameters.
8614 * tree-ssa-alias.c (is_aliased_with): New function.
8615 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8616 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8617 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8618 vect_base_addr_differ_p, compute_subscript_distance and
8619 build_classic_dist_vector. Add printings. Check absolute value of
8621 (vect_analyze_data_ref_dependences): Go through ddrs instead of
8623 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8624 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8625 to bytes. Add printing.
8626 (vect_compute_data_refs_alignment): Go through loads and stores in one
8628 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8629 vect_analyze_data_ref_access): Likewise.
8630 (vect_analyze_pointer_ref_access): Remove.
8631 (vect_address_analysis, vect_object_analysis): Likewise.
8632 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8633 and analyze data-refs in the loop.
8634 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8635 fields of data-ref instead of stmt. Add init to the offset from the
8637 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8638 (vect_update_init_of_dr): Likewise.
8639 (vect_update_inits_of_drs): Go through loads and stores in one loop.
8640 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8642 (new_loop_vec_info): Initialize new fields.
8643 (destroy_loop_vec_info): Free new fields.
8644 (vect_strip_conversion): Remove.
8645 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8646 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8647 datarefs. Add new field ddrs.
8648 Add macros for the new fields access.
8649 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8650 base_aligned_p, misalignment, memtag, ptr_info and subvars.
8651 Remove their macros.
8652 * tree.h (highest_pow2_factor): Declare.
8654 2005-07-25 Jakub Jelinek <jakub@redhat.com>
8656 * calls.c (store_one_arg): Check for sibling call MEM arguments
8657 from already clobbered incoming argument area.
8659 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8661 * c-common.c (check_missing_format_attribute): New.
8662 * c-common.h (check_missing_format_attribute): Likewise.
8663 * c-typeck.c (convert_for_assignment): Use it.
8665 2005-07-24 Andreas Schwab <schwab@suse.de>
8667 * config/m68k/m68k.md ("extendqidi2"): When source is an address
8668 register use a word move. Correct operand of ext.w in 68000 code.
8670 2005-07-23 Mark Mitchell <mark@codesourcery.com>
8672 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8673 variables as declarations, rather than definitions.
8675 2005-07-24 Ira Rosen <irar@il.ibm.com>
8677 PR tree-optimization/22526
8678 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8681 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8683 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8684 that C99 reserve for future use. Use it to define clog10,
8685 clog10f and clog10l.
8687 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8689 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8690 * configure.ac: Check for -Wmissing-format-attribute.
8692 * configure: Regenerate.
8694 2005-07-23 Richard Henderson <rth@redhat.com>
8696 PR tree-optimization/22623
8697 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8699 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
8702 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8704 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8706 * Makefile.in (C_TREE_H): Update dependencies.
8707 * c-tree.h: Include toplev.h.
8708 * diagnostic.h (diagnostic_set_info): Add format attribute.
8709 * rtl-error.c (diagnostic_for_asm): Likewise.
8711 2005-07-23 Chao-ying Fu <fu@mips.com>
8713 * config/mips/mips-dsp.md: New file.
8714 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8715 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8717 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8718 MIPS_BUILTIN_BPOSGE32.
8719 (mips_expand_builtin_direct): Add one parameter to indicate that
8720 builtin functions need to return a value.
8721 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8723 (mips_regno_to_class): Add classes for 12 new DSP registers.
8724 (mips_subword): Change to check four HI registers.
8725 (mips_output_move): Output move to and from 6 new DSP accumulators.
8726 (override_options): Make sure -mdsp and -mips16 are not used together.
8727 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
8729 (mips_conditional_register_usage): Disable 6 new DSP accumulators
8731 (print_operand): Add 'q' for printing DSP accumulators.
8732 (mips_cannot_change_mode_class): Check ACC_REGS.
8733 (mips_secondary_reload_class): Check ACC_REGS.
8734 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8735 (mips_register_move_cost): Check ACC_REGS.
8736 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8737 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8738 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8739 (dsp_bdesc): New array.
8740 (bdesc_arrays): Add DSP builtin function table.
8741 (mips_prepare_builtin_arg): Check predicate again after
8743 (mips_expand_builtin): Add one more parameter to
8744 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8745 MIPS_BUILTIN_BPOSGE32.
8746 (mips_init_builtins): Initialize new function types.
8747 (mips_expand_builtin_direct): Check if builtin functions need to
8748 return a value and pass operands properly.
8749 (mips_expand_builtin_bposge): New function.
8750 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8751 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8752 (FIRST_PSEUDO_REGISTER): Increase to 188.
8753 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8754 Update for 12 new DSP registers.
8755 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8756 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8757 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8758 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8759 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8760 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8761 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8762 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8763 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8764 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8765 (REGISTER_NAMES): Add names for 12 new DSP registers.
8766 * config/mips/mips.md: Include mips-dsp.md.
8767 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8768 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8769 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8770 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8771 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8772 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8773 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8774 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8775 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8776 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8777 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8778 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8779 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8780 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8781 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8782 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8783 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8784 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8785 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8786 (UNSPEC_RDDSP): New constants.
8787 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8788 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
8790 * config/mips/mips.opt (-mdsp): New option.
8791 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8792 (reg_imm10_operand): New predicates.
8793 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8794 * doc/invoke.texi (-mdsp): Document new option.
8796 2005-07-22 DJ Delorie <dj@redhat.com>
8798 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8800 * tree-inline.c (inlinable_function_p): Likewise.
8802 2005-07-22 Mark Mitchell <mark@codesourcery.com>
8805 * toplev.c (check_global_declarations): Do not mark undefined
8806 variables as DECL_IGNORED_P.
8807 * varasm.c (first_global_object_name): GTY it.
8808 (weak_global_object_name): Likewise.
8809 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8810 a string to go into {weak,first}_global_object_name.
8812 2005-07-22 DJ Delorie <dj@redhat.com>
8814 * c-format.c (check_function_format): Change warning control
8815 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8817 2005-07-22 Diego Novillo <dnovillo@redhat.com>
8819 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8820 &PTR->FLD a dereference of PTR.
8821 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8822 a potential dereference of PTR.
8824 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
8826 PR rtl-optimization/20370
8827 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8828 call allocate_reg_info if necessary.
8830 PR rtl-optimization/21848
8831 * calls.c (emit_library_call_value_1): For const functions, add
8832 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8834 PR rtl-optimization/22445
8835 * cselib.c (target.h): Include.
8836 (rtx_equal_for_cselib_p): Allow commutative matches.
8837 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8838 Remove MODE parameter. Changed all callers.
8840 PR rtl-optimization/22258
8841 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8843 (try_combine): Use likely_spilled_retval_p.
8845 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
8847 * config.gcc: Add crx-elf support.
8849 * doc/contrib.texi: Mention crx.
8850 * doc/extend.texi: Document crx extensions.
8851 * doc/install.texi: Document crx install.
8852 * doc/invoke.texi: Document crx options.
8853 * doc/md.texi: Document crx constraints.
8855 * config/crx/crx-protos.h: New file.
8856 * config/crx/crx.c: New file.
8857 * config/crx/crx.h: New file.
8858 * config/crx/crx.md: New file.
8859 * config/crx/crx.opt: New file.
8860 * config/crx/t-crx: New file.
8862 2005-07-22 Manfred Hollstein <mh@suse.com>
8864 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8866 (int_add_graph_edge): Likewise.
8867 (collapse_nodes): Likewise.
8868 (process_unification_queue): Likewise.
8870 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8871 Laurent GUERBY <laurent@guerby.net>
8873 PR tree-optimization/22336
8874 * function.c (record_block_change): Check for
8875 cfun->ib_boundaries_block.
8877 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
8879 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8880 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8882 2005-07-21 DJ Delorie <dj@redhat.com>
8884 * toplev.c (warn_deprecated_use): Add warning control to warning
8886 * c-typeck.c (parser_build_binary_op): Likewise.
8887 (c_finish_if_stmt): Likewise.
8888 * c-common.c (check_function_sentinel): Likewise.
8889 (check_nonnull_arg): Likewise.
8891 2005-07-21 Richard Henderson <rth@redhat.com>
8894 * tree-complex.c (complex_ssa_name_components): New.
8895 (cvc_lookup): Allow entry not found.
8896 (create_components): Remove.
8897 (create_one_component_var, get_component_var): New.
8898 (get_component_ssa_name, set_component_ssa_name): New.
8899 (extract_component): Use get_component_ssa_name.
8900 (update_complex_components): Use set_component_ssa_name.
8901 (update_complex_components_on_edge): Likewise.
8902 (update_phi_components): Create new PHI nodes directly, instead
8903 of adding insns to edges.
8904 (tree_lower_complex): Allocate and free complex_variable_components
8905 and complex_ssa_name_components here.
8907 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8909 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8910 revert to returning false.
8912 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8915 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8917 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8920 * config/i386/i386.md (cmpxf): Change operand constraints
8921 to "nonmemory_operand".
8923 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8925 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8927 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8930 * fold-const.c (fold_build1): Add checksum for the operands.
8931 (fold_build2): Likewise.
8932 (fold_build3): Likewise.
8934 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8937 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8939 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8941 * common.opt (-fforward-propagate): Committed by mistake,
8944 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8946 * reg-stack.c: Fix comment typo(s).
8947 * tree-ssa-operands.c: Likewise.
8948 * tree-vectorizer: Likewise.
8950 2005-07-21 Nick Clifton <nickc@redhat.com>
8952 * config/sh/symbian.c: Replace C++ style line comments with C
8953 style line comments.
8954 (symbian_add_attribute): Do not use a ? operator on the LHS of
8956 (sh_symbian_handle_dll_attribute): Change the type of the
8957 method vector to "VEC(tree,gc)*" and use vector accessor
8958 macros to walk over the elements.
8959 (symbian_export_vtable_and_rtti_p): Likewise.
8960 (symbian_class_needs_attribute_p): Likewise.
8962 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8965 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8966 initialize targetm.resolve_overloaded_builtin here.
8967 (altivec_expand_overloaded_builtin): Make it non-static.
8968 * config/rs6000/rs6000-protos.h
8969 (altivec_expand_overloaded_builtin): New prototype.
8970 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8971 targetm.resolve_overloaded_builtin here.
8972 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8974 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8975 Zdenek Dvorak <dvorakz@suse.cz>
8977 PR tree-optimization/19210
8978 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8980 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8981 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8982 rely on unproven assumptions.
8983 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8984 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8985 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8986 to number_of_iterations_exit.
8987 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8988 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8989 * tree-ssa-loop-niter.c (find_loop_niter,
8990 estimate_numbers_of_iterations_loop): Likewise.
8991 (number_of_iterations_exit): Honor the new options.
8992 * doc/invoke.texi (Wunsafe-loop-optimizations,
8993 funsafe-loop-optimizations): Document them.
8995 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8997 PR rtl-optimization/22167
8998 * gcse.c (hoist_code): Fix hoist_exprs[] check.
9000 2005-07-20 Adam Nemet <anemet@lnxw.com>
9002 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9003 __do_global_dtors_aux longcall.
9005 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
9007 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9008 (old_special_pred_table): Don't reference
9009 SPECIAL_MODE_PREDICATES.
9010 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9011 * config/arc/arc.h: Don't mention PREDICATE_CODES.
9012 * config/sh/predicates.h: Don't mention
9013 SPECIAL_MODE_PREDICATES.
9014 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9017 2005-07-20 DJ Delorie <dj@redhat.com>
9019 * config.gcc: Add m32c-elf support.
9021 * doc/contrib.texi: Mention m32c.
9022 * doc/extend.texi: Document m32c extensions.
9023 * doc/install.texi: Mention m32c.
9024 * doc/invoke.texi: Document m32c options.
9025 * doc/md.texi: Document m32c constraints.
9027 * config/m32c/addsub.md: New file.
9028 * config/m32c/bitops.md: New file.
9029 * config/m32c/cond.md: New file.
9030 * config/m32c/jump.md: New file.
9031 * config/m32c/m32c-lib1.S: New file.
9032 * config/m32c/m32c-lib2.c: New file.
9033 * config/m32c/m32c-modes.def: New file.
9034 * config/m32c/m32c-pragma.c: New file.
9035 * config/m32c/m32c-protos.h: New file.
9036 * config/m32c/m32c.abi: New file.
9037 * config/m32c/m32c.c: New file.
9038 * config/m32c/m32c.h: New file.
9039 * config/m32c/m32c.md: New file.
9040 * config/m32c/m32c.opt: New file.
9041 * config/m32c/minmax.md: New file.
9042 * config/m32c/mov.md: New file.
9043 * config/m32c/muldiv.md: New file.
9044 * config/m32c/predicates.md: New file.
9045 * config/m32c/prologue.md: New file.
9046 * config/m32c/shift.md: New file.
9047 * config/m32c/t-m32c: New file.
9049 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9051 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9052 (stack_protect_set, stack_protect_test): New expanders.
9053 (stack_protect_set_si, stack_protect_set_si_media,
9054 stack_protect_set_di_media, stack_protect_test_si,
9055 stack_protect_test_si_media, stack_protect_test_di_media):
9058 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
9060 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9062 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
9064 * tree.h (tree_expr_nonzero_p): Export.
9065 * fold-const.c (tree_expr_nonzero_p): Likewise.
9066 Return true for CALL_EXPRs that are alloca calls.
9067 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9069 * tree-flow.h (expr_computes_nonzero): Remove.
9070 * tree-vrp.c (expr_computes_nonzero): Remove.
9071 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9072 (extract_range_from_unary_expr): Likewise.
9073 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9074 tree_expr_nonzero_p.
9076 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
9078 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9079 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
9080 extra arg "picreg" and use it instead of pic_offset_table_rtx.
9081 All callers changed.
9082 (frame_related_constant_load): New arg "related" which controls
9083 setting of RTX_FRAME_RELATED_P. All callers changed.
9084 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9085 (bfin_expand_prologue): Add stack limit checking.
9086 * config/bfin/bfin.md (trapifcc): New pattern.
9088 * config/bfin/bfin.c: Include "langhooks.h".
9089 (def_builtin): Go through lang_hooks to call builtin_function.
9091 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9092 * config/bfin/predicates.md (symbol_ref_operand): New.
9093 (call_insn_operand): Delete. All callers changed to use
9094 register_no_elim_operand.
9095 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9097 (function_arg): Use it to generate the call's operand 2.
9098 (bfin_longcall_p): New function.
9099 (bfin_expand_call): Extra arg "cookie". All callers and declaration
9100 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
9101 determine if the address needs to be in a REG.
9102 (bfin_handle_longcall_attribute): New function.
9103 (bfin_attribute_table): Add "longcall" and "shortcall".
9104 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9105 (CUMULATIVE_ARGS): New member call_cookie.
9106 (PREDICATE_CODES): Add symbol_ref_operand.
9107 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9108 extra USE to the pattern.
9109 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9110 New patterns, split off call_insn, sibcall_insn, call_value_insn and
9111 sibcall_value_insn; now the new patterns handle direct calls and the
9112 old ones indirect calls.
9113 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9115 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
9117 * doc/trouble.texi: Update section on handling of empty loops.
9119 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
9121 * config.gcc: Remove support for sparc-*-openbsd*,
9122 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9124 * config.host: Remove support for i860-*-sysv4* as a host.
9125 * config/i860/*, config/ip2k/*, config/ns32k/*,
9126 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9127 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9128 mention obsolete ports.
9130 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
9132 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9134 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9135 of frame_pointer_rtx.
9136 (sh_expand_epilogue): Likewise.
9137 (sh_set_return_address): Likewise.
9138 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9139 instead of FRAME_POINTER_REGNUM if needed. Add elimination
9140 offsets from FRAME_POINTER_REGNUM.
9141 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9142 (sh_register_names): Add initializer for sfp.
9143 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9144 (VALID_REGISTER_P): Likewise.
9145 (FIRST_PSEUDO_REGISTER): Update.
9146 (DWARF_FRAME_REGISTERS): Define.
9147 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9148 (HARD_FRAME_POINTER_REGNUM): Define.
9149 (FRAME_POINTER_REGNUM): Redefine.
9150 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9151 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
9152 from FRAME_POINTER_REGNUM.
9153 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9154 FRAME_POINTER_REGNUM.
9155 (REG_CLASS_CONTENTS): Add sfp.
9156 (REG_ALLOC_ORDER): Likewise.
9157 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
9158 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9159 of frame_pointer_rtx.
9160 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9162 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
9164 * fold-const.c (tree_expr_nonnegative_p): Only return true for
9165 ABS_EXPR when flag_wrapv is false because of INT_MIN.
9166 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9168 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9171 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
9173 Make CONSTRUCTOR use VEC to store initializers.
9174 * c-common.c (complete_array_type): Update to cope with VEC in
9176 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9177 (pp_c_constructor_elts): New function.
9178 * c-pretty-print.h (pp_c_constructor_elts): Declare.
9179 * c-typeck.c (build_function_call, build_c_cast, digest_init,
9180 struct constructor_stack, struct initializer_stack,
9181 constructor_elements, push_init_level, pop_init_level,
9182 add_pending_init, find_init_member, output_init_element): Update to
9183 cope with VEC in CONSTRUCTOR_ELTS.
9184 * coverage.c (build_fn_info_value, build_ctr_info_value,
9185 build_gcov_info): Likewise.
9186 * expr.c (categorize_ctor_elements_1, store_constructor,
9187 expand_expr_real_1): Likewise.
9188 * fold-const.c (fold_ternary): Likewise.
9189 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9190 gimplify_init_constructor, gimplify_expr): Likewise.
9191 * tree-dump.c (dequeue_and_dump): Likewise.
9192 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9194 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9196 * tree-sra.c (generate_element_init_1): Likewise.
9197 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9198 * tree-ssa-operands.c (get_expr_operands): Likewise.
9199 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9200 * tree-vect-transform.c (vect_get_vec_def_for_operand):
9201 (get_initial_def_for_reduction): Likewise.
9202 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9203 value handle in annotations.
9204 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9205 tree_node_structure): Add support for constr_kind.
9206 (build_vector_from_ctor, build_constructor_single,
9207 build_constructor_from_list): New functions.
9208 (build_constructor): Update to take a VEC instead of a TREE_LIST.
9209 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9210 Update to cope with VEC in CONSTRUCTOR_ELTS.
9211 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9212 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9213 CONSTRUCTOR_APPEND_ELT): New macros.
9214 (struct constructor_elt, struct tree_constructor): New data types.
9215 (union tree_node): Add tree_constructor field.
9216 * treestruct.def: Define TS_CONSTRUCTOR.
9217 * varasm.c (const_hash_1, compare_constant, copy_constant,
9218 compute_reloc_for_constant, output_addressed_constants,
9219 initializer_constant_valid_p, output_constant,
9220 array_size_for_constructor, output_constructor): Update to cope with
9221 VEC in CONSTRUCTOR_ELTS.
9222 * vec.h (VEC_empty, VEC_copy): New macros.
9224 2005-07-19 Devang Patel <dpatel@apple.com>
9226 * dbxout.c (dbxout_type): Check Objective-C++ lang.
9228 2005-07-19 Richard Henderson <rth@redhat.com>
9231 * gimplify.c (gimplify_expr): Use main variant type for the temp
9232 destination for a discarded volatile read.
9233 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9234 casts between non-void types that change volatility.
9236 2005-07-15 DJ Delorie <dj@redhat.com>
9238 * toplev.h: Add comment about the first parameter for warning().
9239 * errors.h: Likewise.
9241 * c.opt (Wpragmas): New.
9242 * doc/invoke.texi: Document it.
9244 * function.c (do_warn_unused_parameter): Add warning control to
9246 * c-decl.c (warn_if_shadowing): Likewise.
9247 * c-lex.c (cb_def_pragma): Likewise.
9248 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9249 (pop_alignment): Likewise.
9250 (handle_pragma_pack): Likewise.
9251 (apply_pragma_weak): Likewise.
9252 (handle_pragma_weak): Likewise.
9253 (handle_pragma_redefine_extname): Likewise.
9254 (add_to_renaming_pragma_list): Likewise.
9255 (handle_pragma_extern_prefix): Likewise.
9256 (maybe_apply_renaming_pragma): Likewise.
9257 (handle_pragma_visibility): Likewise.
9259 * config/c4x/c4x-c.c (BAD): Likewise.
9260 (c4x_parse_pragma): Likewise.
9261 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9262 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9263 (rs6000_pragma_longcall): Likewise.
9264 * config/v850/v850-c.c (pop_data_area): Likewise.
9265 (ghs_pragma_section): Likewise.
9266 (ghs_pragma_section): Likewise.
9267 (ghs_pragma_interrupt): Likewise.
9268 (ghs_pragma_starttda): Likewise.
9269 (ghs_pragma_startsda): Likewise.
9270 (ghs_pragma_startzda): Likewise.
9271 (ghs_pragma_endtda): Likewise.
9272 (ghs_pragma_endsda): Likewise.
9273 (ghs_pragma_endzda): Likewise.
9275 2005-07-19 Danny Berlin <dberlin@dberlin.org>
9276 Kenneth Zadeck <zadeck@naturalbridge.com>
9278 * Makefile.in: Removed tree-promote-statics.c
9279 * tree-promote-statics.c: Removed.
9280 * common.opt: Removed flag-promote-statics.
9282 * passes.c: Removed tree-promote-statics pass.
9283 * tree-pass.h: Ditto.
9284 * timevar.def: Removed TV_PROMOTE_STATICS.
9287 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
9289 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9291 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9293 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9296 * c-common.c (check_function_arguments): Call
9297 'check_function_format' if either -Wformat or
9298 -Wmissing-format-attribute are specified.
9299 * c-format.c (check_function_format): Check -Wformat before
9300 calling 'check_format_info'.
9301 * c-opts.c (c_common_post_options): Don't warn for
9302 -Wmissing-format-attribute without -Wformat.
9303 * c-typeck.c (convert_for_assignment): Detect additional cases for
9304 -Wmissing-format-attribute.
9305 * doc/invoke.texi (-Wmissing-format-attribute): Document new
9308 2005-07-19 Richard Guenther <rguenther@suse.de>
9310 * config/i386/i386.md (lrint<mode>2): Use temporary
9311 instead of clobbering non-existent memory.
9313 2005-07-19 Nick Clifton <nickc@redhat.com>
9315 * config/avr/avr.c (legitimate_address_p): Fix debugging print
9316 statement to avoid displaying ASCII control characters.
9318 2005-07-19 Ben Elliston <bje@au.ibm.com>
9320 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9321 * cfganal.c (find_edge_index): Ditto.
9322 * combine.c (combine_instructions): Ditto.
9323 * ddg.c (create_scc): Ditto.
9324 (find_successors): Ditto.
9325 (find_predecessors): Ditto.
9326 (find_nodes_on_paths): Ditto.
9327 (longest_simple_path): Ditto.
9328 * flow.c (update_life_info): Ditto.
9329 (count_or_remove_death_notes): Ditto.
9330 (clear_log_links): Ditto.
9331 * modulo-sched.c (generate_reg_moves): Ditto.
9332 (find_max_asap): Ditto.
9333 (find_max_hv_min_mob): Ditto.
9334 (find_max_dv_min_mob): Ditto.
9335 * sbitmap.c (sbitmap_first_set_bit): Ditto.
9336 * sched-rgn.c (extract_edgelst): Ditto.
9337 * tree-into-ssa.c (prepare_names_to_update): Ditto.
9338 (dump_update_ssa): Ditto.
9339 (ssa_names_to_replace) Ditto.
9340 (switch_virtuals_to_full_rewrite): Ditto.
9341 (update_ssa): Ditto.
9342 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9344 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
9346 Fix PR tree-optimization/22483
9348 * tree-complex.c (create_components): Use
9349 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9350 * tree-flow-inline.h (fill_referenced_var_vec): New function.
9351 * tree-flow.h (safe_referenced_var_iterator): New structure.
9352 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9353 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9354 safe_referenced_var iterator.
9355 (add_type_alias): Ditto.
9357 2005-07-19 Steven Bosscher <stevenb@suse.de>
9359 * loop-init.c (rest_of_handle_loop2): Remove.
9360 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9361 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9362 (pass_rtl_loop_init, pass_rtl_loop_done,
9363 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9364 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9365 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9366 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9367 pass_tree_loop_done, and pass_tree_unswitch.
9368 (gate_loop): Rename to gate_tree_loop.
9369 * passes.c (init_optimization_passes): Update for renamed tree
9370 loop passes. Add the new loop2 passes as subpasses of loop2.
9371 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9372 Update for the renamed tree loop passes.
9374 2005-07-18 Ian Lance Taylor <ian@airs.com>
9377 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9378 blocks when optimizing.
9380 2005-07-18 Steve Ellcey <sje@cup.hp.com>
9382 * common.opt (frename-registers): Initialize to 2.
9384 (fgcse-after-reload): Ditto.
9385 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9386 (process_options): Only change flag_web, flag_rename_registers,
9387 and flag_rerun_cse_after_loop if not explicitly set by user.
9389 2005-07-18 Jan Beulich <jbeulich@novell.com>
9391 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9392 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9393 in 64-bit mode the same as DImode in 32-bit mode.
9394 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9395 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9396 mode. Add new mode parameter.
9397 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9398 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9399 x86_64_shift_adj): New expanders.
9400 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9401 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9403 Respective new splitters. Use renamed shift splitter helpers in 32-bit
9404 DImode shift splitters.
9405 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9406 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9409 2005-07-18 Jan Beulich <jbeulich@novell.com>
9411 * i386.md (movdi_extzv_1): New.
9412 (zero_extendhidi2): Combine alternatives and never force use of
9414 (zero_extendqidi2): Likewise. Don't restrict input selection.
9416 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9418 Fix PR tree-optimization/22531
9419 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
9422 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9424 * tree-promote-statics.c (pass_promote_statics): Change dump file
9427 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
9429 * tree-optimize.c (init_tree_optimization_passes): Add
9430 pass_eliminate_useless_stores pass.
9431 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9432 * tree-ssa-pre.c (is_copy_stmt): New function.
9433 (follow_copies_till_vuse): Ditto.
9434 (do_eustores): Ditto.
9435 (gate_eustores): Ditto.
9437 2005-07-16 Richard Henderson <rth@redhat.com>
9439 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9441 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9442 Kenneth Zadeck <zadeck@naturalbridge.com>
9444 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9445 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9446 ipa-type-escape.h, tree-promote-statics.c
9447 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9448 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9449 tree-promote-statics.c: new files.
9450 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9451 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9452 int nonlocal_set_p, mark_constant_function): Deleted.
9453 (rest_of_handle_cfg): Removed call to mark_constant_function.
9454 (nonoverlapping_component_refs_p): Added calls to support
9455 type based aliasing.
9456 * tree-ssa-alias.c (may_alias_p,
9457 compute_flow_insensitive_aliasing): Ditto.
9458 * calls.c (flags_from_decl_or_type): Removed reference to
9460 * c-typeck.c (convert_arguments): Make builtins tolerant of having
9461 too many arguments. This is necessary for Spec 2000.
9462 * cgraph.h (const_function, pure_function): Removed.
9463 * common.opt: Added "fipa-pure-const", "fipa-reference",
9464 "fipa-type-escape", and "ftree-promote-static".
9466 * passes.c: Added ipa and tree-promote-statics passes.
9467 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9468 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9469 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9470 * tree-flow.h: Added exposed sra calls and addition of
9471 reference_vars_info field for FUNCTION_DECLS.
9472 * tree-pass.h: Added passes.
9473 * tree-sra.c: (sra_init_cache): New function.
9474 (sra_insert_before, sra_insert_after) Made public.
9475 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9477 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9478 aliasing. (may_alias_p): Added code to use type escape analysis to
9480 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9481 code to prune clobbers of static variables based on information
9482 produced in ipa-reference pass. Changed call clobbering so that
9483 statics are not marked as clobbered if the call does not clobber
9486 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
9488 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9491 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9493 * doc/install.texi (*-*-solaris2*): Document recommended version
9494 of GNU binutils and mention GNU linker problem on Solaris 10.
9496 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
9499 * c-decl.c (c_build_bitfield_integer_type): New function.
9500 (finish_struct): Call it.
9501 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9503 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9505 * c-typeck.c (digest_init): Call 'convert_for_assignment'
9508 2005-07-16 Jan Hubicka <jh@suse.cz>
9510 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9511 (scale_bbs_frequencies_int): Watch roundoff errors.
9512 * predict.c (return_prediction): Initialize return_stmt.
9514 2005-07-16 Jan Hubicka <jh@suse.cz>
9516 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9517 after RTL profiling.
9519 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
9522 * fold-const.c (build_range_check): Convert high/low to etype
9523 if we are only comparing against exp.
9525 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
9527 Fix PR tree-optimization/22376
9528 * tree-ssa-structalias.c (build_constraint_graph): We really meant
9530 (need_to_solve): New function.
9531 (compute_points_to_sets): Use it.
9533 2005-07-15 Jan Hubicka <jh@suse.cz>
9535 * cfg.c (update_bb_profile_for_threading): More diagnostic.
9536 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9538 2005-07-15 Richard Guenther <rguenther@suse.de>
9540 * c-common.c (handle_flatten_attribute): New function.
9541 Add flatten function attribute.
9542 * doc/extend.texi: Document flatten function attribute.
9543 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9544 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9546 (cgraph_decide_inlining): Handle functions with flatten
9549 2005-07-14 David Edelsohn <edelsohn@gnu.org>
9551 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9552 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9553 UNSPEC_XCHG, UNSPEC_AND): New.
9554 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9555 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9556 * config/rs6000/sync.md (FETCHOP): New code macro.
9557 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9559 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9560 (sync_compare_and_swap<mode>): Same.
9561 (sync_lock_test_and_set<mode>): Same.
9562 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9563 for QImode and HImode, and not PPC405.
9564 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9565 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9566 (sync_<fetchop>{si,di}_internal): New.
9567 (sync_nand{si,di}_internal): New.
9568 (sync_old_<fetchop>{si,di}_internal): New.
9569 (sync_old_nand{si,di}_internal): New
9570 (sync_new_<fetchop>{si,di}_internal): New.
9571 (sync_new_nand{si,di}_internal): New.
9572 (atomic_and{si,di}): New.
9573 (sync_new_nand{si,di}_internal): New.
9574 (atomic_and{si,di}): New.
9575 (sync_add<mode>_internal): Delete.
9576 (sync_addshort_internal): Use unspec instead of unspec_volatile.
9577 (sync_sub<mode>_internal): Delte.
9578 (sync_subshort_internal): New.
9579 (sync_andsi_internal): Use unspec instead of unspec_volatile.
9580 (sync_anddi_internal): Delete.
9581 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9582 (sync_booldi_internal): Delete.
9583 (sync_boolc<mode>_internal): Delete.
9584 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9585 (sync_boolc<mode>_internal2): Delete.
9586 (sync_boolcc<mode>_internal): Delete.
9587 (isync, lwsync): Use unspec instead of unspec_volatile.
9588 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9589 Revert UNSPEC_VOLATILE.
9590 (rs6000_split_atomic_op): New.
9591 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9593 2005-07-14 Eric Christopher <echristo@redhat.com>
9595 * config/mips/mips.c (mips_canonicalize_comparison): Cast
9596 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9598 2005-07-14 Eric Christopher <echristo@redhat.com>
9600 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9602 2005-07-14 Steven Bosscher <stevenb@suse.de>
9604 PR tree-optimization/22230
9605 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9606 the computation of the four cross productions for "range op range".
9608 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
9609 Ulrich Weigand <uweigand@de.ibm.com>
9612 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9615 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
9617 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9619 2005-07-14 Steve Ellcey <sje@cup.hp.com>
9621 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9623 2005-07-14 Richard Guenther <rguenther@suse.de>
9626 * config/i386/i386-protos.h (ix86_function_value): Change
9627 prototype to match new target hook.
9628 * config/i386/i386.c (ix86_value_regno): Change prototype
9629 to take extra type argument.
9630 (TARGET_FUNCTION_VALUE): Define.
9631 (ix86_function_ok_for_sibcall): Pass extra argument to
9632 ix86_value_regno, check return slot rtx for exact match.
9633 (ix86_function_value): Take extra parameter. Dispatch to
9634 ix86_value_regno with fndecl/fntype as provided.
9635 (ix86_value_regno): Handle extra type argument.
9636 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9638 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9639 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9640 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9641 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9642 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9644 2005-07-14 Richard Guenther <rguenther@suse.de>
9646 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9647 * calls.c (expand_call): Pass fntype to hard_function_value.
9648 (emit_library_call_value_1): Likewise.
9649 * explow.c: Include target.h.
9650 (hard_function_value): Take extra argument, the fntype.
9651 Use new target hook for function_value.
9652 * expr.h (hard_function_value): Change prototype.
9653 * function.c (aggregate_value_p): Pass 0 as fntype to
9654 hard_function_value.
9655 (assign_parms): Use new target hook for function_value.
9656 Pass 0 as fntype to hard_function_value.
9657 (expand_function_end): Likewise.
9658 * reg-stack.c: Include target.h.
9659 (stack_result): Use new target hook for function_value.
9660 * target-def.h: New target hook function_value.
9661 * target.h: Likewise.
9662 * targhooks.c (default_function_value): New function.
9663 * targhooks.h (default_function_value): Declare.
9665 2005-07-13 Ian Lance Taylor <ian@airs.com>
9667 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9669 2005-07-14 Jan Hubicka <jh@suse.cz>
9671 * tree-dfa.c (dump_variable): Use default_def function.
9672 * tree-ssa-alias.c (dump_points_to_info): Likewise.
9673 * tree-ssa.c (verify_use): Likewise.
9674 * tree-ssanames.c (release_ssa_name): Likewise.
9675 * tree-tailcall.c (eliminate_tail_call): Likewise.
9676 (tree_optimize_tail_calls_1): Likewise.
9677 * tree-vrp.c (get_value_range): Likewise.
9679 2005-07-14 Ben Elliston <bje@au.ibm.com>
9681 * gcc.c (main): Compare language[0] with '*' when iterating over
9684 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9686 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9687 "s390_emit_compare". Add handling of CCZ1mode.
9688 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9689 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9691 (s390_branch_condition_mask): Add CCZ1mode handling.
9692 * config/s390/s390.md: ("seq", "*seq"): New pattern.
9693 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9694 Use CCZ1mode instead of CCZmode.
9695 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
9697 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
9699 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9701 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9703 2005-07-13 Eric Christopher <echristo@redhat.com>
9705 * config/mips/mips.c (mips_canonicalize_comparison): New.
9706 (mips_emit_int_relational): Use.
9708 2005-07-13 Eric Christopher <echristo@redhat.com>
9710 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9712 * config/s390/s390.md: Include tpf.md. Move tpf specific
9714 * config/s390/tpf.md: To here.
9715 * config/s390/s390.opt: Move tpf specific options...
9716 * config/s390/tpf.opt: to here. Add mmain option.
9717 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9718 * config/s390/tpf.h: Rewrite.
9720 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9722 * doc/tm.texi: Remove @xref{Cross-profiling}.
9724 2005-07-13 Jeff Law <law@redhat.com>
9726 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9727 expressions, test their _DECL operands for pointer equality rather
9728 than using operand_equal_p.
9730 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9732 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9733 (TARGET_POSIX_IO): This.
9734 * config/darwin.h: Likewise.
9735 * config/freebsd.h: Likewise.
9736 * config/linux.h: Likewise.
9737 * config/lynx.h: Likewise.
9738 * config/netbsd.h: Likewise.
9739 * config/rs6000/linux64.h: Likewise.
9740 * config/rs6000/linux.h: Likewise.
9741 * config/s390/tpf.h: Likewise.
9742 * config/sh/embed-elf.h: Likewise.
9743 * config/sparc/linux64.h: Likewise.
9744 * config/sparc/linux.h: Likewise.
9745 * config/svr4.h: Likewise.
9746 * gcov-io.h: Likewise.
9748 * doc/tm.texi: Updated.
9750 * libgcov.c (create_file_directory): Defined only if
9751 TARGET_POSIX_IO is defined.
9752 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9755 2005-07-13 Jan Hubicka <jh@suse.cz>
9757 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9759 2005-07-13 David Edelsohn <edelsohn@gnu.org>
9761 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9762 structure as argument.
9764 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
9766 PR tree-optimization/21921
9767 * tree-iterator.c (tsi_link_before): Support the case when
9768 tsi_end_p (tsi) == true.
9770 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9772 PR tree-optimization/22442
9773 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9776 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9778 PR rtl-optimization/20376
9779 * toplev.c (process_options): Enable -fweb and -frename-registers when
9781 * doc/invoke.texi: Update the information about when -fweb and
9782 -frename-registers are enabled.
9784 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9787 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9788 if *rhs_p is not a SSA_NAME.
9790 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
9792 Fix PR tree-optimization/22422
9793 * tree-ssa-structalias.c (struct variable_info): Add flag for
9795 (get_varinfo): Now a static function.
9796 (new_varinfo): init has_union and is_special_var to false.
9797 (solution_set_add): Check has_union.
9798 (do_da_constraint): Move temporary variable so it gets reset
9800 Also check for special variable.
9801 (do_ds_constraint): Ditto.
9802 (do_sd_constraint): Ditto.
9803 (do_structure_copy): Check for special variable.
9804 (find_func_aliases): Ditto.
9805 (init_base_vars): Set special vars properly.
9807 2005-07-13 Jan Hubicka <jh@suse.cz>
9809 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9812 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9813 (get_expr_operands): Fix thinko wrt flags and subvars.
9815 PR tree-optimize/22379
9816 * tree-inline.c (expand_call_inline): Do not output sorry in early
9819 2005-07-12 Dale Johannesen <dalej@apple.com>
9821 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
9823 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9826 * host-linux.h: Include limits.h.
9828 2005-07-12 Dale Johannesen <dalej@apple.com>
9830 * expr.c (compress_float_constant): Add cost check.
9831 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
9833 2005-07-12 Dale Johannesen <dalej@apple.com>
9835 * gcc.target/i386/compress-float-sse.c: New.
9836 * gcc.target/i386/compress-float-sse-pic.c: New.
9837 * gcc.target/i386/compress-float-387.c: New.
9838 * gcc.target/i386/compress-float-387-pic.c: New.
9839 * gcc.dg/compress-float-ppc.c: New.
9840 * gcc.dg/compress-float-ppc-pic.c: New.
9842 2005-07-12 Eric Christopher <echristo@redhat.com>
9844 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9846 * config/s390/s390.md: Include tpf.md. Move tpf specific
9848 * config/s390/tpf.md: To here.
9849 * config/s390/s390.opt: Move tpf specific options...
9850 * config/s390/tpf.opt: to here. Add mmain option.
9851 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9852 * config/s390/tpf.h: Rewrite.
9854 2005-07-12 Eric Christopher <echristo@redhat.com>
9856 * gcc.c (struct infile): Update comment for language.
9857 (main): Rewrite input file resetting code.
9859 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9862 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9863 requiring a cast in a non RHS of modify_expr. Add a cast when required.
9864 (lookup_avail_expr): Use constant_boolean_node instead
9865 of boolean_false_node/boolean_true_node.
9867 2005-07-12 Ben Elliston <bje@au.ibm.com>
9869 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9870 and use it when printing num_edges.
9872 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
9874 * doc/extend.texi (Blackfin Built-in Functions): New section.
9875 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9878 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
9880 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9881 s/cmpstrsi/cmpstrnsi
9882 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9884 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9885 (init_optabs): Initialize cmpstrn_optab.
9886 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9887 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9888 * expr.c: (enum insn_code cmpstrn_optab): Declare.
9889 * config/i386/i386.md: s/cmpstr/cmpstrn
9890 * config/c4x/c4x.md: s/cmpstr/cmpstrn
9891 * doc/md.texi: Update documentation.
9893 2005-07-11 Richard Henderson <rth@redhat.com>
9895 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9896 build_va_arg_indirect_ref.
9897 (alpha_gimplify_va_arg): Likewise.
9898 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9899 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9900 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9901 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9902 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9903 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9905 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9907 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9909 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9910 * passes.c (init_optimization_passes): Add pass_empty_loop.
9911 * tree-pass.h (pass_empty_loop): Declare.
9912 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9913 try_remove_empty_loop, remove_empty_loops): New functions.
9914 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9915 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9917 2005-07-12 Peter Barada <peter@the-baradas.com>
9921 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9922 in address registers.
9923 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9924 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9925 alternative of addsi3_5200.
9927 2005-07-11 Ian Lance Taylor <ian@airs.com>
9929 * config/mips/mips.md (ffs<mode>2): Remove.
9931 2005-07-11 Ian Lance Taylor <ian@airs.com>
9933 * doc/tree-ssa.texi (Cleanups): Improve description of
9935 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9937 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9939 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9940 * tree.h (DECL_ARGUMENT_FLD): New macro.
9942 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9944 Fix PR tree-optimization/22404
9946 * tree-ssa-structalias.c (create_variable_info_for): Use
9949 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9951 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9952 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9953 for second comparison operand.
9954 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9956 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9957 (define_insn_reservation "alu"): Likewise.
9958 (csync, ssync): Now of type sync.
9959 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9960 -mcsync-anomaly -mspecld-anomaly.
9961 * config/bfin/bfin.opt (mcsync): Remove.
9962 (mcsync-anomaly, mspecld-anomaly): Add.
9963 * config/bfin/bfin.c: Include "insn-codes.h".
9964 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9965 (TARGET_DEFAULT_TARGET_FLAGS): New.
9966 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9968 2005-07-11 Steven Bosscher <stevenb@suse.de>
9970 * basic-block.h: Give the BB flags enum a name, bb_flags.
9971 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9972 * cfgcleanup.c (enum bb_flags): Remove here.
9973 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9974 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9975 (update_forwarder_flag): Likewise.
9976 (thread_jump): Likewise.
9977 (try_forward_edges): Likewise.
9978 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9979 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9980 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9982 2005-07-11 Richard Guenther <rguenther@suse.de>
9984 * config/i386/i386.opt: New target option -msseregparm.
9985 * config/i386/i386.c (override_options): Error out for
9986 -msseregparm but no SSE support.
9987 (ix86_function_sseregparm): Check for global sseregparm.
9988 * doc/invoke.texi: Document -msseregparm.
9990 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9992 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9993 (m32rle-*-linux*): Ditto.
9995 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9997 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9998 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10001 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10003 PR middle-end/22239
10005 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10006 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10008 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
10010 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10011 (varmap): Heapify varmap.
10012 (constraints): Heapify constraints.
10013 (struct constraint_graph): Heapify succs and preds.
10014 (constraint_vec_find): Update for heapification.
10015 (constraint_set_union): Ditto.
10016 (insert_into_complex): Ditto.
10017 (constraint_edge_vec_find): Ditto.
10018 (erase_graph_self_edge): Ditto.
10019 (add_graph_edge): Ditto.
10020 (get_graph_weights): Ditto.
10021 (merge_graph_nodes): Ditto.
10022 (build_constraint_graph): Ditto.
10023 (topo_visit): Ditto.
10024 (solve_graph): Ditto.
10025 (create_variable_info_for): Ditto.
10026 (init_base_vars): Ditto.
10027 (delete_points_to_sets): Free graph, varmap, and complex constraints.
10028 (condese_varmap_nodes): Free complex vector.
10029 (clear_edges_for_node): Clear succs and preds vector.
10031 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10033 * tree-ssa-structalias.c (update_alias_info): Change counting of
10034 references to not include vdefs.
10036 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
10038 * tree-ssa-alias.c (free_used_part_map): Add missing free.
10039 (up_insert): Ditto.
10041 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10043 * pa.c (pa_commutative_p): Make PLUS commutative when
10044 TARGET_NO_SPACE_REGS is true.
10046 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10048 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10049 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10050 * tree-dfa.c (dump_subvars_for): New.
10051 (debug_subvars_for): New.
10052 (dump_variable): Show subvariables if VAR has them.
10053 * tree-flow-inline.h (get_subvar_at): New.
10054 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10055 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10057 (struct subvar): Change fields offset and size to unsigned
10059 (dump_subvars_for): Declare.
10060 (debug_subvars_for): Declare.
10061 (get_subvar_at): Declare.
10062 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10063 to unsigned HOST_WIDE_INT *.
10064 (overlap_subvar): Likewise.
10065 * tree-gimple.c (is_gimple_reg): Always return false for
10066 SFTs and memory tags.
10067 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10068 Update all callers.
10069 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10070 (compute_may_aliases): Call compute_points_to_sets.
10071 (collect_points_to_info_for): Remove.
10072 (compute_points_to_and_addr_escape): Remove.
10073 (delete_alias_info): Call delete_points_to_sets.
10074 (compute_flow_sensitive_aliasing): If the call to
10075 find_what_p_points_to returns false, call set_pt_anything.
10076 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10077 (set_pt_anything): Clear pi->pt_vars.
10078 (set_pt_malloc): Remove.
10079 (merge_pointed_to_info): Remove.
10080 (add_pointed_to_expr): Remove.
10081 (add_pointed_to_var): Remove.
10082 (collect_points_to_info_r): Remove.
10083 (is_escape_site): Make extern.
10085 (create_overlap_variables_for): Call it.
10086 * tree-ssa-copy.c (merge_alias_info): Never merge
10087 flow-sensitive alias information.
10088 * tree-ssa-operands.c (get_expr_operands): Adjust variables
10089 offset and size to be unsigned HOST_WIDE_INT.
10090 (add_to_addressable_set): Rename from note_addressable.
10091 Set TREE_ADDRESSABLE as the variables are added to the set.
10093 (add_stmt_operand): Do not try to micro-optimize unmodifiable
10094 operands into VUSEs when adding V_MAY_DEFs for members in an
10096 * tree-ssa-operands.h (add_to_addressable_set): Declare.
10097 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10098 (struct variable_info): Add bitfield is_heap_var.
10099 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10100 (new_var_info): Initialize is_heap_var.
10101 (get_constraint_for): Add HEAP variables to the symbol table.
10102 Mark them with is_heap_var.
10103 (update_alias_info): New. Taken mostly from the old
10104 compute_points_to_and_addr_escape.
10105 (handle_ptr_arith): New.
10106 (find_func_aliases): Call update_alias_info.
10107 Call handle_ptr_info for tcc_binary expressions.
10108 Call mark_stmt_modified.
10109 (create_variable_info_for): If DECL has subvars, do not create
10110 variables for its subvars. Always add all the fields.
10111 (set_uids_in_ptset): If the solution includes ANYOFFSET and
10112 SFTs, then add all the SFTs of the structure.
10113 If VI->DECL is an aggregate with subvariables, add the SFT at
10115 (find_what_p_points_to): If VI is an artificial variable,
10116 translate to bitfields in SSA_NAME_PTR_INFO.
10117 If the solution is empty, set pi->pt_vars to NULL
10118 (init_base_vars): Create ANYOFFSET.
10119 (compute_points_to_sets): Rename from create_alias_vars.
10121 (pass_build_pta): Remove.
10122 (delete_points_to_sets): Rename from delete_alias_vars.
10123 (pass_del_pta): Remove.
10124 * tree-ssa-structalias.h (struct alias_info): Move from
10126 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10127 NUM_REFERENCES_SET): Likewise.
10128 (compute_points_to_sets, delete_points_to_sets): Declare.
10130 2005-07-09 Richard Henderson <rth@redhat.com>
10132 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10133 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10134 alpha_split_lock_test_and_set_12): New functions.
10135 * config/alpha/alpha-protos.h: Update.
10136 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10137 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10138 * config/alpha/sync.md (I12MODE): New.
10139 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10140 (sync_<fetchop_name><I48MODE>): Likewise.
10141 (sync_nand<I48MODE>): Likewise.
10142 (sync_old_<fetchop_name><I48MODE>): Likewise.
10143 (sync_new_<fetchop_name><I48MODE>): Likewise.
10144 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10145 (sync_compare_and_swap<I48MODE>): Likewise.
10146 (sync_lock_test_and_set<I48MODE>): Likewise.
10147 (sync_compare_and_swap<I12MODE>): New.
10148 (sync_compare_and_swap<I12MODE>_1): New.
10149 (sync_lock_test_and_set<I12MODE>): New.
10150 (sync_lock_test_and_set<I12MODE>_1): New.
10152 2005-07-09 Diego Novillo <dnovillo@redhat.com>
10156 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10158 2005-07-09 Jakub Jelinek <jakub@redhat.com>
10160 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10161 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10163 2005-07-09 Richard SAndiford <richard@codesourcery.com>
10166 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10168 2005-07-08 David Edelsohn <edelsohn@gnu.org>
10170 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10171 memory_operand constraint.
10172 (store_conditional_<mode>): Same.
10173 (sync_compare_and_swap<mode>): Same.
10174 (sync_lock_test_and_set<mode>): Same.
10176 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
10178 Rewrite PIC support to more closely model actual instructions.
10179 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10180 (cris_symbol): Remove prototypes for removed functions.
10181 (cris_pic_symbol_type_of, cris_valid_pic_const)
10182 (cris_expand_pic_call_address): Prototypes for new functions.
10183 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10185 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10187 <case ':'>: Add case for new punctuation character.
10188 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10189 emitting (extra) PIC modifier.
10190 <case UNSPEC>: Do not assert for PLT.
10191 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10192 (cris_expand_prologue, cris_expand_epilogue): Check
10193 for pic_offset_table_rtx usage instead of taking
10194 current_function_uses_pic_offset_table as the final word.
10195 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10196 Remove flag_pic difference.
10197 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10198 the moral equivalents of...
10199 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10201 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10202 (cris_handle_option): Mark ARG as unused.
10203 (cris_expand_pic_call_address): New worker function for "call",
10205 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10206 output PIC constructs here.
10207 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10208 as symbol-specific modifers, not whole or part of operands.
10209 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10210 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10211 constants and flag_pic.
10212 (CONSTANT_INDEX_P): Adjust for new functions.
10213 (enum cris_pic_symbol_type): New helper type.
10214 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10215 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10216 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10218 ("movsi"): Emit actual instructions for GOT and relative access.
10219 ("*movsi_got_load"): New pattern to set up the register holding
10221 ("*movsi_internal"): Operand 1 is not a plain general_operand.
10222 Adjust FIXME for 'S'.
10223 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10224 Use "movs" for -fpic cases.
10225 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10226 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10227 ("call", "call_value"): Just call cris_expand_pic_call_address for
10229 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10230 Remove special pattern.
10231 ("*expanded_call_side", "*expanded_call_value_side"): New
10233 (gotplt-to-plt, gotplt-to-plt-side-call)
10234 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10236 * config/cris/cris/predicates.md
10237 ("cris_general_operand_or_gotless_symbol"): Remove unused
10239 ("cris_general_operand_or_symbol"): Adjust for new functions.
10241 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10243 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10245 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
10247 * Makefile.in (TREE_H): Add treestruct.def.
10248 (c-decl.o): Add pointer-set.h
10249 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10250 visibility on regular DECL's.
10251 (merge_decls): Fix the copying of decl nodes of various types for
10252 the new structures. Don't update RTL, section name, weak status,
10253 etc, on DECL's without RTL.
10254 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10255 Don't check volatile on non-variable types.
10256 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10257 to check whether we have seen arguments.
10258 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10259 flag is checked before field (flag is common, field is not).
10260 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
10261 TS_DECL_COMMON could have an origin.
10262 (add_location_or_const_value_attribute): Don't check section name
10263 on non-var/function decls.
10264 (dwarf2out_var_location): Reverse order of tests.
10265 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10266 with DECL_WRTL_CHECK.
10267 * expmed.c (make_tree): rtl is now in decl_with_rtl.
10268 * fold-const.c (fold_binary): Don't check weakness on
10269 non-var/function decls.
10270 (tree_expr_nonzero_p): Ditto.
10271 (fold_checksum_tree): Use tree_decl_extra as sizeof
10273 * ggc-page.c (extra_order_size_table): Add sizes for
10274 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
10276 * gimplify.c (gimplify_bind_expr): Only set
10277 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10278 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10280 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10281 * langhooks.h (init_ts). New langhook.
10282 * passes.c (rest_of_decl_compilation): Reverse order of tests.
10283 * print-tree.c (print_node): Update to only print fields that
10284 exist in the structures the passed decl has.
10285 * toplev.c (wrapup_global_declarations): Don't reset
10286 DECL_DEFER_OUTPUT on DECL's that don't contain it.
10287 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10288 * tree-inline.c (remap_decl): Ditto.
10289 * tree-outof-ssa.c (create_temp): Reverse order of tests.
10290 * tree-pretty-print.c (print_declaration): Don't print
10291 DECL_REGISTER on things that don't contain it.
10292 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10293 non-var/function decls.
10294 * tree.c (tree_contains_struct): New structure.
10295 (init_priority_for_decl): New hashtable.
10296 (tree_int_map): New structure.
10297 (tree_int_map_eq): New function.
10298 (tree_int_map_marked_p): Ditto.
10299 (tree_int_map_hash): Ditto.
10300 (tree_map): Move to tree.h.
10301 (tree_map_eq): Externalize.
10302 (tree_map_hash): Ditto.
10303 (tree_map_marked_p): Ditto.
10304 (init_ttree): Set up tree_contains_struct and call langhook.
10305 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10306 (tree_code_size): Update for new structures.
10307 (tree_node_structure): Update for new structures.
10308 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10310 (copy_node_stat): Copy init priority.
10311 (build_decl_stat): Ditto for visibility.
10312 (ts_enum_names): New.
10313 (tree_contains_struct_check_failed): New function.
10314 (decl_init_priority_lookup): Ditto.
10315 (decl_init_priority_insert): Ditto.
10316 * treestruct.def: New file.
10317 * tree.h (CODE_CONTAINS_STRUCT): New macro.
10318 (CONTAINS_STRUCT_CHECK): Ditto.
10319 (tree_contains_struct_check_failed): New prototype.
10320 (DECL_CHECK): Removed.
10321 (DECL_MINIMAL_CHECK): New.
10322 (DECL_COMMON_CHECK): Ditto.
10323 (DECL_WRTL_CHECK): Ditto.
10324 (DECL_NON_COMMON_CHECK): Ditto.
10325 (DECL_WITH_VIS_CHECK): Ditto.
10326 (VAR_OR_FUNCTION_DECL_P): Ditto
10327 (struct tree_decl_minimal): New structure.
10328 (struct tree_decl_common): Ditto.
10329 (struct tree_decl_with_rtl): Ditto.
10330 (struct tree_decl_with_vis): Ditto.
10331 (struct tree_decl_non_common): Ditto.
10332 (struct tree_field_decl): Ditto.
10333 (struct tree_parm_decl): Ditto.
10334 (struct tree_var_decl): Ditto.
10335 (struct tree_function_decl): Ditto.
10336 (struct tree_const_decl): Ditto.
10337 (struct tree_result_decl): Ditto.
10338 (union tree_node): Add new structures.
10339 * var-tracking.c (track_expr_p): Reverse order of tests.
10341 * doc/c-tree.texi: Add documentation on DECL node internal structure.
10343 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10345 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10346 * system.h: Poison FINALIZE_PIC.
10347 * doc/tm.texi (FINALIZE_PIC): Remove.
10349 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10352 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10353 to the correct type if we have a MODIFY_EXPR.
10355 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
10357 PR tree-optimization/22360
10358 * tree.c (upper_bound_in_type): Fix calculations for casting
10359 to a non-wider signed type and casting a signed value to a
10360 wider unsigned type.
10361 (lower_bound_in_type): Fix calculations for casting to a
10362 non-wider signed type.
10364 PR tree-optimization/20139
10365 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10367 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10368 fold_cond_expr_cond.
10369 * tree-ssanames.c (release_defs): Assert in_ssa_p.
10370 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10372 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
10375 * tree-complex.c (expand_complex_libcall): Produce
10376 REALPART_EXPR/IMAGPART_EXPR with the correct type.
10378 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
10380 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10381 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10382 b" assert and inserted fastpath code for this case.
10383 (bitmap_ior): Removed "a != b" assert.
10385 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10387 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10388 (ENDFILE_SPEC): Likewise.
10389 * config/m32r/m32r.h (ASM_SPEC): Likewise.
10391 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10392 a large stack frame at epilogue.
10394 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
10396 * final.c: Include sdbout.h when required.
10398 2005-07-07 Geoffrey Keating <geoffk@apple.com>
10400 * config.gcc (*-*-darwin*): Only one target-specific header file
10401 for generic darwin.
10402 (powerpc-*-darwin*): Add version-specific header files.
10403 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10404 * config.in: Regenerate.
10405 * configure: Regenerate.
10406 * gcc.c: Include xregex.h.
10407 (version_compare_spec_function): New.
10408 (spec_function): Add version-compare.
10409 (replace_outfile_spec_function): Reformat comment.
10410 (compare_version_strings): New.
10411 * config/darwin-c.c (version_as_macro): New.
10412 (builtin_define): New.
10413 (darwin_cpp_builtins): New.
10414 * config/darwin-protos.h (darwin_cpp_builtins): New.
10415 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10416 (LIB_SPEC): Make unconditional, update comment.
10417 (TARGET_C99_FUNCTIONS): Define.
10418 * config/darwin.opt: Sort.
10419 (mmacosx-version-min=): New.
10420 * config/darwin7.h: Delete.
10421 * config/darwin8.h: Delete.
10422 * config/i386/darwin.h (): Call darwin_cpp_builtins.
10423 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10424 (TARGET_C99_FUNCTIONS): Define.
10425 * config/rs6000/darwin7.h: New.
10426 * config/rs6000/darwin8.h: New.
10427 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10428 (-mmacosx-version-min): Document.
10430 2005-07-07 Ian Lance Taylor <ian@airs.com>
10432 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10434 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
10436 PR middle-end/22239
10437 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10439 2005-07-07 Khem Raj <kraj@mvista.com>
10441 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10442 in bytes, not words.
10444 2005-07-07 Paul Brook <paul@codesourcery.com>
10446 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10447 DEFAULT_FUNCTION_ARG_PADDING to upward.
10449 2005-07-07 Richard Henderson <rth@redhat.com>
10451 * function.c (locate_and_pad_parm): Record parameter alignment in
10452 stack_alignment_needed.
10454 2005-07-07 David Edelsohn <edelsohn@gnu.org>
10456 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10457 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10458 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10459 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10460 (define_attr "type"): Add isync, sync, load_l, store_c.
10461 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10462 Create scratch volatile MEM.
10463 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
10465 (load_locked_<mode>): New.
10466 (store_conditional_<mode>): New.
10467 (sync_compare_and_swap<mode>): Replace with splitter.
10468 (sync_lock_test_and_set<mode>): Replace with splitter.
10469 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10471 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
10472 is ics. Attribute isync.
10473 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
10475 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10476 and UNSPECV_SYNC_OP.
10477 (emit_unlikely_jump): New.
10478 (emit_load_locked): New.
10479 (emit_store_conditional): New.
10480 (rs6000_split_compare_and_swap): New.
10481 (rs6000_split_lock_test_and_set): New.
10482 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10483 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10484 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10485 rs6000_split_lock_test_and_set): Declare.
10486 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10487 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10488 store_c, isync, sync.
10490 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
10492 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10493 filenames to gtyp-gen.h.
10494 (s-typ-gen): Use it in place of for loops.
10496 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
10498 * hooks.c (hook_bool_rtx_int_false): New function.
10499 * hooks.h (hook_bool_rtx_int_false): Declare.
10500 * target-def.h (TARGET_COMMUTATIVE_P): Define.
10501 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10502 * target.h (struct gcc_target): Add commutative_p member.
10503 * targhooks.c (hook_bool_rtx_commutative_p): New function.
10504 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10505 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10506 (pa_commutative_p): New function.
10507 * jump.c (target.h): Include.
10508 (rtx_renumbered_equal_p): Use targetm.commutative_p.
10509 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10511 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10513 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10514 (s390_expand_setmem): New.
10515 * config/s390/s390.c: Likewise.
10516 (print_shift_count_operand): Truncate to 12 bits instead of 6.
10518 * config/s390/s390.md: ("setmem<mode>"): Accept character as
10519 general_operand. Call new function "s390_expand_setmem".
10520 ("clrmem_long", "*clrmem_long"): Rewrite to ...
10521 ("setmem_long", "*setmem_long"): ... this.
10523 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10525 * config/s390/s390.c: (optimization_options): Enable
10526 TARGET_MVCLE at -Os.
10527 * doc/invoke.texi: Document changes in default behaviour.
10528 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10530 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
10532 * expr.c: (set_storage_via_setmem): Convert opchar to mode
10533 defined by back-end.
10535 2005-07-07 Jakub Jelinek <jakub@redhat.com>
10537 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10538 all sets in the pattern.
10539 * config/rs6000/rs6000.md (stack_protect_testsi,
10540 stack_protect_testdi): Likewise.
10542 2005-07-06 Jeff Law <law@redhat.com>
10544 * tree-vrp.c (simplify_using_ranges): Kill.
10545 (vrp_finalize): Remove call to simplify_using_ranges.
10546 (simplify_stmt_using_ranges): New function extracted from
10547 simplify_using_ranges.
10548 (simplify_div_or_mod_using_ranges): Likewise.
10549 (simplify_abs_using_ranges): Likewise.
10550 (simplify_cond_using_ranges): New function.
10551 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10552 * tree-ssa-propagate.c (substitute_and_fold): Call
10553 simplify_stmt_using_ranges if we have range information.
10555 2005-07-06 James E. Wilson <wilson@specifixinc.com>
10557 * config/ia64/ia64.c (ia64_reorg): Check optimize before
10558 ia64_flag_schedule_isns2.
10560 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10561 reading/writing general registers.
10562 (ia64_function_arg): Revert 2005-06-18 change.
10564 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
10566 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10567 (legitimize_tls_address): Use gcc_unreachable instead of abort.
10569 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
10571 * function.c (expand_function_end): Revert part of 2005-06-27
10572 patch. Do sjlj_emit_function_exit_after after return_label.
10574 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10576 * doc/install.texi (--disable-libssp): New.
10578 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
10580 * doc/invoke.texi: Update -fforce-mem documentation.
10581 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10582 code for -fforce-mem.
10583 * expmed.c: (store_bit_field,store_fixed_bit_field,
10584 extract_bit_field): Ditto.
10585 * expr.c: (convert_move): Ditto.
10586 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10587 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10588 emit_conditional_add,expand_float,expand_fix): Ditto.
10589 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10590 (common_handle_option): Issue warning when -fforce-mem specified.
10592 2005-07-06 Paul Brook <paul@codesourcery.com>
10594 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10596 * configure: Regenerate.
10598 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
10600 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10602 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
10604 Fix PR tree-optimization/22319
10605 Fix PR tree-optimization/22140
10606 Fix PR tree-optimization/22310
10608 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10609 variable sized types.
10610 Use correct type for intermediate structure on *a = *b structure
10613 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10615 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10617 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10618 (machine_function): Move typedef to...
10619 * config/rs6000/rs6000.c (machine_function): ... here. Add
10620 varargs_save_offset field.
10621 (rs6000_stack_t): Remove varargs_size field.
10622 (setup_incoming_varargs): Allocate varargs save area using
10623 assign_stack_local, try to make it as small as possible.
10624 Save offset from virtual_stack_vars_rtx to the save area
10625 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
10626 instead of magic 8 when fp word byte size is used.
10627 (rs6000_va_start): Use cfun->machine->varargs_save_offset
10628 instead of -RS6000_VARARGS_SIZE.
10629 (rs6000_stack_info, debug_stack_info,
10630 rs6000_initial_elimination_offset): Remove all traces of
10632 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10633 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10634 RS6000_VARARGS_AREA.
10636 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10638 PR tree-optimization/21963
10639 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10640 constant_multiple_of in the same way get_computation_cost_at does.
10642 2005-07-06 Jakub Jelinek <jakub@redhat.com>
10644 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10645 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10646 (gen_compare_reg): If sparc_compare_emitted is set, clear it
10647 and return its previous value.
10648 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10649 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10651 (stack_protect_set, stack_protect_test): New expanders.
10652 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10653 stack_protect_testdi): New insns.
10654 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10655 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10657 2005-07-06 Jeff Law <law@redhat.com>
10659 * tree-ssa-dce.c (cfg_altered): New global.
10660 (tree_dce_init): Initialize cfg_altered.
10661 (remove_dead_stmt): If we remove an edge in the CFG, then set
10663 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10666 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
10668 * Makefile.in (stamp-collect-ld): Use
10669 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
10670 ./collect-ld if it already exists.
10671 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10672 Don't remove ./nm if it already exists.
10674 2005-07-05 Devang Patel <dpatel@apple.com>
10676 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10677 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10678 * tree-vectorizer.c (vect_loop_location): New.
10679 (vect_print_dump_info): Use vect_loop_location.
10680 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10681 (vectorize_loops): Set vect_loop_location.
10682 * tree-vect-analyze.c (vect_analyze_offset_expr,
10683 vect_determin_vectorization_factor, vect_analyze_operations,
10684 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10685 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10686 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10687 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10688 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10689 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10690 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10691 vect_analyze_loop): Adjust vect_print_dump_info API.
10692 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10693 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10694 vect_finish_stmt_generation, vectorizable_assignment,
10695 vectorizable_operation, vectorizable_store, vectorizable_load,
10696 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10697 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10698 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10699 vect_transform_loop): Same.
10700 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10701 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10704 2005-07-05 Randolph Chung <tausq@debian.org>
10706 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10707 * configure: Regenerate.
10708 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10709 (pa_tls_referenced_p): Declare.
10710 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10711 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10712 (legitimize_tls_address): New.
10713 (hppa_legitimize_address): Handle TLS addresses.
10714 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10715 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10716 (emit_move_sequence): Handle TLS addresses.
10717 (pa_encode_section_info): Call default handler to handle common
10719 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10720 (CONSTANT_ADDRESS_P): Reject TLS operands.
10721 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10722 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10723 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10724 (UNSPEC_TLSLE): Define new constants.
10725 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10726 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10727 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10728 (tie_symbolic_operand, tle_symbolic_operand): New
10730 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
10732 * aclocal.m4: Update macros for autoconf 2.59 style.
10733 * configure.ac: Likewise.
10735 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10737 * pa.c (function_value): Handle small aggregates on 32-bit targets.
10738 (function_arg): Pass small aggregates in general registers on 32-bit
10740 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10742 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
10744 * Makefile.in (final.o): Fix dependencies.
10746 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10750 * langhooks.h (struct lang_hooks): Add expr_to_decl.
10751 * langhooks.c (lhd_expr_to_decl): New.
10752 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10754 (LANG_HOOKS_INITIALIZER): Update.
10755 * tree.c (recompute_tree_invarant_for_addr_expr): Call
10756 expr_to_decl langhook.
10757 * c-tree.h (c_expr_to_decl): Declare.
10758 * c-typeck.c (c_expr_to_decl): New.
10759 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10761 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10763 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10766 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10767 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10769 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
10771 * Makefile.in: Adjust dependencies.
10772 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10773 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10774 * alias.c (rest_of_handle_cfg, pass_cfg): New.
10775 * bb-reorder.c (duplicate_computed_gotos): Make it static.
10776 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10777 rest_of_compilation.
10779 * bb-reorder.c (gate_duplicate_computed_gotos,
10780 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10781 rest_of_handle_reorder_blocks, pass_reorder_blocks,
10782 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10783 pass_partition_blocks): New.
10784 * bt-load.c (gate_handle_branch_target_load_optimize,
10785 rest_of_handle_branch_target_load_optimize,
10786 pass_branch_target_load_optimize): New.
10787 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10789 * cfglayout.c (pass_insn_locators_initialize): New.
10790 * cfgrtl.c (pass_free_cfg): New.
10791 * combine.c (gate_handle_combine, rest_of_handle_combine,
10792 pass_combine): New.
10793 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10794 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10795 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10796 * except.c (pass_set_nothrow_function_flags,
10797 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10799 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10800 rest_of_handle_shorten_branches, pass_shorten_branches,
10801 rest_of_clean_state, pass_clean_state): New.
10802 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10803 rest_of_handle_remove_death_notes, pass_remove_death_notes,
10804 rest_of_handle_life, pass_life, rest_of_handle_flow2,
10806 * function.c (pass_instantiate_virtual_regs, pass_init_function,
10807 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10808 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10809 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10811 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10812 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10813 pass_rtl_ifcvt, gate_handle_if_after_combine,
10814 rest_of_handle_if_after_combine, pass_if_after_combine,
10815 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10816 pass_if_after_reload): New.
10817 * integrate.c (pass_initial_value_sets): New.
10818 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10819 pass_purge_lineno_notes): New.
10820 * mode-switching.c (rest_of_handle_mode_switching,
10821 pass_mode_switching): New.
10822 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10823 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10825 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10826 pass_loop_optimize): New.
10827 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10829 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10831 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10832 pass_postreload_cse): New.
10833 * profile.c (gate_handle_profiling, pass_profiling,
10834 rest_of_handle_branch_prob, pass_branch_prob): New.
10835 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10836 pass_split_before_regstack, gate_handle_split_before_regstack,
10837 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10838 rest_of_handle_split_all_insns, pass_split_all_insns): New.
10839 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10840 pass_stack_regs): New.
10841 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10842 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10843 pass_stack_adjustments): New.
10844 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10845 pass_regrename): New.
10846 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10847 pass_delay_slots, gate_handle_machine_reorg,
10848 rest_of_handle_machine_reorg, pass_machine_reorg): New.
10849 * rtl.h (extern void purge_line_number_notes): New.
10850 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10851 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10853 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10855 * value-prof.c (gate_handle_value_profile_transformations,
10856 rest_of_handle_value_profile_transformations,
10857 pass_value_profile_transformations): New.
10858 * var-tracking.c (gate_handle_var_tracking,
10859 pass_variable_tracking): New.
10860 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10862 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10863 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10864 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10865 rest_of_handle_old_regalloc, rest_of_handle_regrename,
10866 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10867 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10868 rest_of_handle_gcse2, rest_of_handle_regmove,
10869 rest_of_handle_tracer, rest_of_handle_if_conversion,
10870 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10871 rest_of_handle_web, rest_of_handle_branch_prob,
10872 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10873 rest_of_handle_jump_bypass, rest_of_handle_combine,
10874 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10875 rest_of_handle_gcse, rest_of_handle_loop_optimize,
10876 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10877 rest_of_handle_mode_switching, rest_of_handle_jump,
10878 rest_of_handle_eh, rest_of_handle_stack_adjustments,
10879 rest_of_handle_flow2, rest_of_handle_jump2,
10880 rest_of_handle_peephole2, rest_of_handle_postreload,
10881 rest_of_handle_shorten_branches, rest_of_clean_state,
10882 rest_of_compilation): Remove.
10884 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10885 * passes.c (dump_flags, in_gimple_form, all_passes,
10886 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10887 register_dump_files, next_pass_1, last_verified, execute_todo,
10888 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10889 from tree-optimize.c.
10890 (init_optimization_passes): Moved from tree-optimize.c,
10891 adding the RTL optimizations.
10892 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10893 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10894 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10895 register_dump_files, next_pass_1, last_verified, execute_todo,
10896 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10897 init_tree_optimization_passes, ipa_passes): Delete.
10898 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10900 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10901 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10903 (ipa_passes): Remove.
10904 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10905 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10906 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10907 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10908 (dump_info_p, dump_flag): Moved to tree-dump.h.
10910 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10912 * passes.c (finish_optimization_passes): Use dump_begin
10913 and dump_end, TDI_end.
10914 (gate_rest_of_compilation): New.
10915 (pass_rest_of_compilation): Use it.
10916 (gate_postreload, pass_postreload): New.
10917 * toplev.c (general_init): Rename init_tree_optimization_passes.
10918 * toplev.h (init_tree_optimization_passes): Rename to
10919 init_optimizations_passes.
10920 * tree-dump.c (dump_flag): Make static.
10921 (dump_files): Remove RTL dumps.
10922 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10923 pass_cleanup_cfg, pass_free_cfg_annotations,
10924 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10925 pass_init_datastructures, pass_fixup_cfg): Make non-static.
10926 * tree-pretty-print.c: Include tree-pass.h.
10927 * cgraph.c: Include tree-dump.h.
10929 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10931 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10932 Only fall back to saying it points to readonly memory if
10933 we can't do better.
10935 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10937 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10938 * config/m32r/m32r.c (m32r_compute_frame_size,
10939 m32r_expand_prologue): Take current_function_profile into
10940 account whenever we reference
10941 current_function_uses_pic_offset_table.
10942 (m32r_finalize_pic): Remove.
10943 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10945 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10947 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10948 instead of $<. Don't remove ./as if it already exists.
10950 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10953 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10954 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10955 for complex modes when generating code for PA 1.0.
10956 (VALID_FP_MODE_P): New macro.
10957 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10958 sets for all general and floating point modes. Align wide floating
10959 point modes to even register boundaries to comply with architectural
10961 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10962 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10963 (VALID_FP_MODE_P): New macro.
10964 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10965 sets for all general and floating point modes. Align wide floating
10966 point modes to even register boundaries to comply with architectural
10969 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10971 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10974 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10976 * tree-ssa-structalias.c: Don't include expr.h.
10978 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10980 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10983 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10985 Fix PR tree-optimization/22279
10987 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10990 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10992 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10994 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10996 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10997 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10998 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10999 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11000 config/stormy16/stormy16.c, config/v850/v850.c,
11001 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11002 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11003 Avoid "." or "\n" at end of diagnostics and capital letters at
11004 start of diagnostics.
11005 * combine.c, cse.c: Don't translate dump file output.
11006 * toplev.c (print_version): Only translate output if going to
11009 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11011 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11012 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11015 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11017 * pa.c (fix_range): Fix typo in comment.
11019 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
11021 * tree-vrp.c (extract_range_from_assert): Replace
11022 fold (build (...)) with fold_build2.
11024 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11026 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11027 gcc_gfc_char_table, init_dynamic_gfc_info): New.
11028 (format_types_orig, handle_format_attribute): Add support for
11031 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
11033 * varasm.c (assemble_variable): Fix format specifier thinko.
11035 2005-07-03 Ira Rosen <irar@il.ibm.com>
11037 PR tree-optimization/22029 (and 22135)
11038 * tree-pretty-print.c (dump_generic_node): Check that the node is not
11039 a phi node before calling dump_vops.
11041 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11043 * tree-dump.h (dump_string_field): Declare.
11044 * tree-dump.c: Use it instead of dump_string.
11045 (dump_string_field): Make non-static.
11047 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
11049 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11050 up the minimal CFG stuff always when optimize > 0. Call
11051 split_all_insns_noflow in PIC case if needed.
11053 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
11054 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11057 * c-decl.c (c_write_global_declarations): Dump contents of
11059 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11060 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11061 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11062 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11065 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
11067 * c-common.h (GCC_DIAG_STYLE): Define.
11068 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
11069 version for format checking to 4.1.
11070 * c-format.c: Include toplev.h after c-common.h.
11071 (enum format_type): Add gcc_tdiag_format_type.
11072 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11073 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11074 (format_types_orig): Add gcc_tdiag.
11075 (init_dynamic_diag_info): Support gcc_tdiag formats.
11076 (handle_format_attribute): Likewise.
11077 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11078 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
11079 version for format checking to 4.1.
11080 (warning0, warning, error, pedwarn, sorry): Use
11081 ATTRIBUTE_GCC_DIAG.
11082 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11083 (finish_aliases_1): Do not use %qE.
11084 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11085 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11086 Correct format bugs.
11087 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11088 parameter to unsigned HOST_WIDE_INT.
11089 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11091 2005-07-02 David Edelsohn <edelsohn@gnu.org>
11093 PR middle-end/21742
11094 * expr.c (write_complex_part): Use adjust_address for MEM.
11095 (read_complex_part): Same.
11097 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
11099 Fix PR tree-optimization/22280
11101 * tree-sra.c (generate_element_init): Remove useless loop.
11103 2005-07-02 Richard Henderson <rth@redhat.com>
11105 * config/alpha/alpha.c (alpha_legitimize_address): Check for
11107 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11109 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
11111 PR middle-end/14490
11112 * fold-const.c (fold_binary): Handle the return value of
11113 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11114 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11116 2005-07-02 Jeff Law <law@redhat.com>
11118 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11119 a eliminate type conversion which feeds an equality comparison
11120 if the original type or either operand in the comparison is a
11123 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
11125 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11126 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11128 * config/avr/avr.c: Do not use '`' as left quote.
11129 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11130 Remove "." from end of diagnostics. Make diagnostics start with
11133 2005-07-02 Zack Weinberg <zack@codesourcery.com>
11134 Joseph S. Myers <joseph@codesourcery.com>
11136 * toplev.c (default_tree_printer): Handle setting location with
11138 * c-objc.common.c (c_tree_printer): Likewise.
11139 * c-format.c (gcc_diag_flag_specs): Add '+'.
11140 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11141 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11143 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11144 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11145 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11146 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11147 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11148 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
11149 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
11150 format arguments where %J is used without %D.
11152 2005-07-02 Jakub Jelinek <jakub@redhat.com>
11154 * gcc.c (LINK_SSP_SPEC): Define.
11155 (link_ssp_spec): New variable.
11156 (LINK_COMMAND_SPEC): Add %(link_ssp).
11157 (static_specs): Add link_ssp_spec.
11158 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11159 * configure: Rebuilt.
11160 * config.in: Rebuilt.
11162 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11163 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11164 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11165 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11166 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11167 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11168 -0x7008(2) instead of reading __stack_chk_guard variable.
11169 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11171 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11172 (stack_protect_set, stack_protect_test): Use *_tls* patterns
11173 if TARGET_THREAD_SSP_OFFSET is defined.
11174 (stack_tls_protect_set_si, stack_tls_protect_set_di,
11175 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11178 2005-06-27 Richard Henderson <rth@redhat.com>
11179 * libgcc-std.ver (GCC_4.1.0): New.
11180 * libgcc.h (__stack_chk_guard): Declare.
11181 (__stack_chk_fail, __stack_chk_fail_local): Declare.
11182 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11183 * mklibgcc.in (lib2funcs): Add them.
11185 2005-07-01 Richard Henderson <rth@redhat.com>
11187 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11188 void * before struct sigcontext *.
11189 (x86_fallback_frame_state): Likewise.
11191 2005-07-01 James E. Wilson <wilson@specifixinc.com>
11193 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11195 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11198 * tree-ssa-reassoc.c (should_transpose): Fix which operand
11199 we check for SSA_NAME for.
11201 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
11203 Fix PR tree-optimization/22071
11205 * tree-ssa-structalias.c (offset_overlaps_with_access): New
11207 (get_constraint_for_component_ref): Use it.
11209 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
11212 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11213 print out the last new line.
11215 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
11217 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11218 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11219 * config/cris/cris.c (cris_conditional_register_usage): Adjust
11220 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11221 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11222 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11223 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11224 (enum reg_class): New member CC0_REGS.
11225 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11226 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11227 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11228 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11229 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11230 Adjust for register now described.
11232 2005-07-01 Jakub Jelinek <jakub@redhat.com>
11235 * config/i386/i386.md (stack_protect_test_si,
11236 stack_protect_test_di): Add earlyclobber for scratch 3.
11237 * config/rs6000/rs6000.md (stack_protect_testsi,
11238 stack_protect_testdi): Add earlyclobber for scratch 3,
11239 remove earlyclobber from scratch 4.
11241 Older entries for 2005 can be found in ChangeLog-2005.