1 2008-04-23 Jakub Jelinek <jakub@redhat.com>
3 PR rtl-optimization/36017
4 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
5 expanding the library call.
7 2008-04-22 Ian Lance Taylor <iant@google.com>
9 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
12 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
14 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
15 of LR/CTR moves for Power6.
17 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
20 * passes.c (init_optimization_passes): Remove
21 pass_fast_rtl_byte_dce.
23 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
26 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
27 builtin functions to generate faster code.
28 (_mm_cvtpu16_ps): Ditto.
29 (_mm_cvtpi32x2_ps): Ditto.
31 2008-04-22 Nick Clifton <nickc@redhat.com>
33 * common.opt (ftree-loop-distribution): Add Optimization
36 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
37 (frv_expand_builtin_va_start): Likewise.
39 * config/arm/arm.c (thumb_find_work_register): Fix location of
40 argument register count.
42 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
44 Support scheduling for ColdFire V1 and V3 microarchitecture.
45 Improve scheduling of multiplication instructions.
47 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
48 (mac): New instruction attribute.
49 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
50 (m68k_sched_mac): New variable.
51 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
53 (max_insn_size): New static variable.
54 (struct _sched_ib): New type.
55 (sched_ib): New static variable.
56 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
57 to fields of 'struct _sched_ib sched_ib'. Update all uses.
58 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
60 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
61 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
62 new variables. Update.
63 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
64 Add modeling of cfv3 instruction buffer. Update.
65 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
66 * config/m68k/m68k.h (TUNE_CFV3): New macro.
67 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
68 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
69 a particular reservation applies to.
70 (type2): Reorganize attribute values. Rename alu to alu_reg,
71 alu_l to alu, move_l to omove. Join move to alu. Split mul
73 (cf_ib_*): Simplify description of instruction buffer.
74 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
75 (cf_mem): Split into cf_mem1 and cf_mem2.
76 (cf_v2_move_??): Rename to cfv12_alu_??.
77 (cf_v2_move_l_??): Rename to cfv12_omove_??.
78 (cf_v2_mul_??): Remove reservations.
79 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
80 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
81 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
83 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
84 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
85 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
86 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
87 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
88 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
89 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
90 expansions of the above reservations for instructions of sizes
93 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
95 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
97 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
99 * coverage.c: Include tree-pass.h.
100 (coverage_counter_alloc): Print da_file_name to the dump file.
102 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
104 * sbitmap.c (sbitmap_range_empty_p): New function.
105 * sbitmap.h (sbitmap_range_empty_p): New function.
106 * bitmap.h: Now includes obstack.h.
108 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
109 Kenneth Zadeck <zadeck@naturalbridge.com>
111 * dbgcnt.def (ra_byte_scan): Added.
112 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
113 when the last hit happens for a counter.
114 * timevar.def (TV_DF_BYTE_LR): New variable.
115 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
116 * passes.c (pass_fast_rtl_byte_dce): New pass.
117 * fwprop.c (update_df): Added mode to call df_ref_create.
118 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
119 DF_REF_EXTRACT_OFFSET.
120 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
121 DF_BYTE_LR_OUT, df_byte_lr): New macro.
123 (df_ref_extract): Added mode field.
124 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
125 DF_REF_EXTRACT_OFFSET.
126 (DF_REF_EXTRACT_MODE): New macro.
127 (df_byte_lr_bb_info): New structure.
128 (df_print_byte_regset, df_compute_accessed_bytes,
129 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
130 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
131 df_byte_lr_simulate_uses,
132 df_byte_lr_simulate_artificial_refs_at_top,
133 df_byte_lr_simulate_artificial_refs_at_end,
134 df_compute_accessed_bytes): New function.
135 (df_ref_create): Add parameter.
136 (df_byte_lr_get_bb_info): New inline function.
137 * df-scan.c (df_ref_record, df_uses_record,
138 df_ref_create_structure): Added mode parameter.
139 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
140 df_defs_record, df_uses_record, df_get_conditional_uses,
141 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
142 df_entry_block_defs_collect, df_exit_block_uses_collect):
143 Added mode parameter to calls to df_ref_record, df_uses_record,
144 df_ref_create_structure.
145 (df_ref_equal_p, df_ref_compare): Added test for modes.
146 (df_ref_create_structure): Added code to set mode. Renamed
147 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
148 DF_REF_EXTRACT_OFFSET.
149 * df-core.c (df_print_byte_regset): New function.
150 * df-byte-scan.c: New file.
151 * df-problems.c (df_rd_transfer_function): Removed unnecessary
152 calls to BITMAP_FREE.
153 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
154 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
155 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
156 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
157 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
158 df_byte_lr_local_compute, df_byte_lr_init,
159 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
160 df_byte_lr_transfer_function, df_byte_lr_free,
161 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
162 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
163 df_byte_lr_simulate_uses,
164 df_byte_lr_simulate_artificial_refs_at_top,
165 df_byte_lr_simulate_artificial_refs_at_end): New function.
166 * dce.c (byte_dce_process_block): New function.
167 (dce_process_block): au is now passed in rather than computed
168 locally. Changed loops that look at artificial defs to not look
169 for conditional or partial ones, because there never are any.
170 (fast_dce): Now is able to drive byte_dce_process_block or
171 dce_process_block depending on the kind of dce being done.
172 (rest_of_handle_fast_dce): Add parameter to fast_dce.
173 (rest_of_handle_fast_byte_dce): New function.
174 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
175 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
177 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
180 * gcc.h: Added fortran options that take arguments to
181 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
184 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
186 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
187 scalarization if on the LHS and not a full access.
189 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
191 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
193 2008-04-18 Rafael Espindola <espindola@google.com>
195 * tree-vrp.c (find_case_label_index): Fix the binary search.
196 (find_case_label_range): New.
197 (vrp_visit_switch_stmt): Use find_case_label_range.
198 (simplify_switch_using_ranges): Use find_case_label_range.
200 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
202 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
203 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
205 2008-04-18 Tom Tromey <tromey@redhat.com>
208 * doc/cpp.texi (Implementation-defined behavior): Mention
211 2008-04-18 Ian Lance Taylor <iant@google.com>
213 * fold-const.c (pointer_may_wrap_p): New static function.
214 (fold_comparison): Add another test for pointer overflow. Use
215 pointer_may_wrap_p to disable some false positives.
217 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
219 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
220 (fname_as_string): Match updated cpp_interpret_string prototype.
221 (fix_string_type): Support char16_t* and char32_t*.
222 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
223 derivative) nodes. Register as builtin if C++0x.
224 (c_parse_error): Support CPP_CHAR{16,32}.
225 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
226 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
227 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
228 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
229 CTI_CHAR32_ARRAY_TYPE>: New elements.
230 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
231 char32_type_node, signed_char32_type_node, char16_array_type_node,
232 char32_array_type_node): New defines.
233 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
234 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
235 (lex_string): Support CPP_STRING{16,32}, match updated
236 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
237 (lex_charconst): Support CPP_CHAR{16,32}.
238 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
239 and CPP_STRING{16,32}.
241 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
244 * aclocal.m4: Regenerate.
245 * configure: Regenerate.
247 2008-04-18 Jan Hubicka <jh@suse.cz>
249 * except.c (dw2_size_of_call_site_table,
250 sjlj_size_of_call_site_table): Use vector API for call_site_record.
252 * cgraphbuild.c (build_cgraph_edges): Update.
253 * tree-pass.h: Update comment.
254 * final.c (leaf_function_p): Update.
255 (leaf_renumber_regs): Update.
256 (rest_of_clean_state): Update.
257 * omp-low.c (expand_omp_parallel): Update.
258 * ipa-reference.c (analyze_function): Update.
259 * reorg.c (find_end_label): Update.
260 (optimize_skip): Update.
261 (fill_simple_delay_slots): Update.
262 (fill_simple_delay_slots): Update.
263 (make_return_insns): Update.
264 (dbr_schedule): Update.
265 * gimple-low.c (record_vars_into): Update.
266 * cfgbuild.c (make_edges): Update.
267 * function.c (assign_stack_local): Update.
268 (assign_parm_adjust_stack_rtl): Update.
269 (locate_and_pad_parm): Update.
270 (allocate_struct_function): Do not initialize stack_alignment_needed
271 and preferred_stack_boundary here.
272 (stack_protect_prologue): Update.
273 (stack_protect_epilogue): Update.
274 (expand_function_start): Initialize stack_alignment_needed,
275 preferred_stack_boundary and max_jumptable_ents.
276 (expand_function_end): Update.
277 (free_after_compilation): Do not NULLify epilogue_delay_list.
278 * function.h (struct rtl_data): Add stack_protect_guard,
279 stack_alignment_needed,
280 preferred_stack_boundary, epilogue_delay_list.
281 (struct function): Remove value_histograms, stack_alignment_needed,
282 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
284 unexpanded_var_list, stack_protect_guard.
285 (current_function_epilogue_delay_list): Remove.
286 * ipa-type-escape.c (analyze_function): Update.
287 * gimplify.c (pop_gimplify_context): Update comment.
288 * calls.c (expand_call): Update.
289 (emit_library_call_value_1): Update.
290 * except.c (set_nothrow_function_flags): Update.
291 * cfgexpand.c (get_decl_align_unit): Update.
292 (create_stack_guard): Update.
293 (estimated_stack_frame_size): Update.
294 (expand_used_vars): Update.
295 (tree_expand_cfg): Free histogram earliers, init expansion variables.
296 * explow.c (allocate_dynamic_stack_space): Update.
297 * tree-ssa-live.c (remove_unused_locals): Update.
298 * varasm.c (mark_constant_pool): Update.
299 * tree-inline.c (remap_decls): Update.
300 (initialize_cfun): Update.
301 (declare_return_variable): Update.
302 (inline_forbidden_p): Update.
303 (expand_call_inline): Update.
304 (declare_inline_vars): Update.
305 (tree_function_versioning): Update.
306 * tree-flow.h (value_histograms): New.
307 (VALUE_HISTOGRAMS): New macro.
308 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
310 * tree-cfg.c (set_bb_for_stmt): Update.
311 (replace_by_duplicate_decl): Update.
312 (move_block_to_fn): Update.
313 (new_label_mapper): Update.
314 (dump_function_to_file): Update.
315 * ipa-struct-reorg.c (build_data_structure): Update.
316 * cfgrtl.c (print_rtl_with_bb): Update.
317 * reload1.c (reload): Update.
319 * config/i386/i386.c (setup_incoming_varargs_64,
320 ix86_compute_frame_layout): Update.
321 * config/arc/arc.c (arc_output_function_epilogue): Update.
323 2008-04-18 Marius Strobl <marius@FreeBSD.org>
325 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
327 * gthr-posix95.h: Likewise.
329 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
331 PR rtl-optimization/35838
332 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
333 out the byte offset of the first subreg.
335 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
337 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
338 to split_ti instead of three separate calls with single member arrays.
339 (subti3 splitter): Ditto.
340 (adddi3 splitter): Ditto with split_di.
341 (subdi3 splitter): Ditto.
342 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
343 two separate calls with single member arrays. Swap match_dup
344 operands 1 and 2 to better fit into the array.
345 (negdi2 splitter): Ditto with split_di.
346 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
347 two separate calls with single member arrays. Swap match_dup operands
348 6 and 7 to better fit into the array.
350 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
352 * config/i386/i386.c (sse_builtin_type): New.
353 (bdesc_sse_args): Likewise.
354 (bdesc_sse_3arg): Removed.
355 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
356 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
357 IX86_BUILTIN_ROUNDPS.
358 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
359 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
360 IX86_BUILTIN_ROUNDPS.
361 (ix86_expand_sse_4_operands_builtin): Removed.
362 (ix86_expand_sse_operands_builtin): New.
363 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
364 and CODE_FOR_sse4_1_roundps.
365 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
366 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
368 2008-04-17 Alan Modra <amodra@bigpond.net.au>
371 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
372 regs before frame pop when needed. If use_backchain_to_restore_sp
373 then load backchain into a temp reg to restore vr and vrsave. Add
374 code to restore vr after frame pop if possible.
376 2008-04-17 Richard Guenther <rguenther@suse.de>
378 * tree-vn.c (expressions_equal_p): Do not check type
379 equality or compatibility before calling operand_equal_p.
380 * fold-const.c (operand_equal_p): Check equivalence of
381 integer constants before bailing out due to signedness or
382 precision differences.
383 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
384 spurious differences in type qualification. Ignore types
385 for COMPONENT_REFs at all.
387 2008-04-17 Christian Bruel <christian.bruel@st.com>
389 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
392 2008-04-16 Jakub Jelinek <jakub@redhat.com>
395 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
398 PR tree-optimization/35899
399 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
400 rather than TREE_OPERAND.
402 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
405 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
406 temporary registers. Change operand predicate to general_operand.
407 (remainderxf3): Ditto.
409 2008-04-16 Richard Guenther <rguenther@suse.de>
411 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
412 * tree-affine.c (aff_combination_expand): Look through some
415 2008-04-15 Doug Kwan <dougkwan@google.com>
417 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
419 * tree-pretty-print.c (dump_generic_node): Ditto.
420 * final.c (output_addr_const): Ditto.
421 * dwarf2out.c (output_cfi): Ditto.
422 * c-pretty-print.c (pp_c_integer_constant): Ditto.
423 * print-rtl.c (print_rtx): Ditto.
424 * print-tree.c (print_node_brief, print_node): Ditto.
425 * c-common.c (match_case_to_enum_1): Ditto.
426 * sched-vis.c (print_value): Ditto.
427 * config/i386/i386.c (print_operand): Cast to long unsigned int
430 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
431 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
432 MS Windows VirtualProtect function.
434 2008-04-15 Jan Hubicka <jh@suse.cz>
436 * gengtype.c (write_root): Param_is argument is OK.
437 * expr.c (expand_expr_real_1): Update call of get_exception_*.
438 * function.h: Include varray.h
439 (rtl_eh): New stucture based on except.c one.
440 (call_site_record): New forward declaration and vector type.
441 * calls.c (emit_call_1): Do not call
442 note_current_region_may_contain_throw.
443 * except.c (eh_status): Remove cur_region, try_region since they are
445 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
446 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
447 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
448 Remove call_site_data_used, call_site_data_size.
449 Turn call_site_record into vector in function.h.
450 (note_current_region_may_contain_throw): Remove.
451 (get_exception_pointer, get_exception_filter): Do not take struct
452 function argument; update.
453 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
454 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
455 build_post_landing_pads, dw2_build_landing_pads,
456 sjlj_assign_call_site_values, sjlj_mark_call_sites,
457 sjlj_emit_function_enter, sjlj_emit_function_enter,
458 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
459 sjlj_build_landing_pads, finish_eh_generation,
460 remove_exception_handler_label, remove_eh_handler,
461 maybe_remove_eh_handler, add_reachable_handler,
462 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
463 add_action_record, collect_one_action_chain, add_call_site,
464 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
465 sjlj_output_call_site_table, output_function_exception_table,
466 * except.h (note_current_region_may_contain_throw): Remove
467 (get_exception_pointer, get_exception_filter): Do not take struct
469 * Makefile.in (GTFILES): Put varargs before struct function.
471 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
473 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
475 (get_constraint_for): Deal with STRING_CST here instead.
477 2008-04-15 Richard Guenther <rguenther@suse.de>
479 * tree-ssa-propagate.c (substitute_and_fold): Substitute
480 statements in a basic-block with a backward walk. Do not
481 substitute into dead statements but instead remove those.
483 2008-04-15 Richard Guenther <rguenther@suse.de>
485 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
486 to zero, thus disable creation of SFTs.
488 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
490 * tree-predcom.c (suitable_reference_p): Return false if the
493 2008-04-15 Jakub Jelinek <jakub@redhat.com>
496 * c-decl.c (finish_decl): If extern or static var has variable
497 size, set TREE_TYPE (decl) to error_mark_node.
499 2008-04-15 Rafael Espindola <espindola@google.com>
501 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
504 2008-04-15 Richard Guenther <rguenther@suse.de>
506 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
507 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
508 (visit_reference_op_load): Do walk vuse-vdef chains on
510 (visit_reference_op_store): But do not here.
511 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
513 (vn_lookup_with_vuses): But do so here.
515 2008-04-14 Ian Lance Taylor <iant@google.com>
517 * fold-const.c (fold_overflow_warning): Remove assertion.
519 2008-04-15 Ben Elliston <bje@au.ibm.com>
521 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
522 temp1 local variables.
524 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
527 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
528 ".text.unlikely" section as executable.
530 2008-04-14 James E. Wilson <wilson@tuliptree.org>
532 * config/ia64/ia64.c (rtx_needs_barrier): Handle
533 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
534 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
535 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
536 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
537 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
538 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
540 2008-04-14 Ian Lance Taylor <iant@google.com>
542 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
543 * fold-const.c (fold_comparison): If appropriate, test
544 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
545 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
546 reassociating a pointer type.
547 * doc/invoke.texi (Optimize Options): Document that
548 -fstrict-overflow applies to pointer wraparound.
550 2008-04-13 Jan Hubicka <jh@suse.cz>
552 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
554 2008-04-12 Andrew Pinski <pinskia@gmail.com>
556 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
557 we are going to "save the world".
559 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
561 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
562 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
563 operand 0 constraint, not "=".
565 2008-04-11 James E. Wilson <wilson@tuliptree.org>
567 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
569 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
571 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
572 of size of positions_needed * CHAR_BIT.
574 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
577 * dse.c (store_info): Change positions_needed to unsigned
579 (lowpart_bitmask): New.
580 (record_store): Cast to unsigned HOST_WIDE_INT for
581 positions_needed. Assert width <= size of positions_needed *
582 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
583 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
584 lowpart_bitmask to set mask.
586 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
588 * config/bfin/constraints.md: New file.
589 * config/bfin/bfin.md: Include it.
590 (adddi3): Use satisfies_constraint functions instead of the old macros.
591 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
592 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
593 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
594 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
595 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
596 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
597 EXTRA_CONSTRAINT): Delete.
598 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
599 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
601 * config/bfin/bfin.c: Include "tm-constrs.h".
602 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
603 Use satisfies_constraint functions instead of the old macros.
604 * doc/md.texi (Blackfin Constraints): Update file name reference.
606 2008-04-11 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/35869
609 * tree-vrp.c (execute_vrp): Move switch statement update after
610 jump threading. Schedule another cfg cleanup run.
612 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
615 * attribs.c (decl_attributes): Return early on errorneous node.
617 2008-04-10 Oleg Ryjkov <olegr@google.com>
619 * tree.h (struct tree_base): Added a new flag default_def_flag.
620 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
622 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
624 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
626 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
629 * pa.md: Define mode iterator P. Define mode attribute dwc.
630 (dcacheflush): Update pattern to use iterator P and attribute dwc.
631 (icacheflush): Likewise.
632 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
633 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
635 2008-04-11 Ben Elliston <bje@au.ibm.com>
637 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
639 2008-04-10 Rafael Espindola <espindola@google.com>
641 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
642 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
643 (extract_range_from_expr): The same.
645 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
647 * config/mips/mips.md (GPR2): New mode iterator.
649 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
650 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
651 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
652 Rewrite these to take two modes, the mode of comparison and the
653 mode of the destination.
654 * config/mips/mips.c (mips_expand_scc): Instead of having
655 paradoxical subreg as destination, expand "narrowing" scc if mode
656 of comparison is SI and target is requested in DI mode.
657 (mips_emit_int_order_test): Update comment. Make mode of
658 comparison match CMP0 rather than TARGET. When creating inverse
659 target use mode of TARGET.
661 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
663 * gcov-dump.c (tag_summary): Only print summaries for the first
664 GCOV_COUNTERS_SUMMABLE counters.
666 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
668 * config/i386/i386.md (absneg): New code iterator.
669 (absnegprefix): New code attribute.
670 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
671 patterns using absneg code iterator.
672 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
673 using absneg code iterator.
674 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
675 *neg<mode>2 patterns using absneg code iterator.
676 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
677 *negextendsfdf2 patterns using absneg code iterator.
678 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
679 *negextendsfxf2 patterns using absneg code iterator.
680 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
681 *negextendsfdf2 patterns using absneg code iterator.
682 * config/i386/sse.md (<code><mode>2): Macroize expander from
683 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
685 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
687 * config/s390/s390.h: Remove the remains of the recent search
688 & replace action of current_function_outgoing_args_size.
690 2008-04-10 Ira Rosen <irar@il.ibm.com>
692 PR tree-optimization/35821
693 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
694 NEW_STMT_LIST is not NULL.
696 2008-04-09 David Edelsohn <edelsohn@gnu.org>
699 * toplev.c (process_options): Remove -ffunction-sections debugging
702 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
704 PR middle-end/PR28690
705 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
706 than gen_rtx_fmt_ee to perform more canonicalizations.
708 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
711 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
713 2008-04-09 Richard Guenther <rguenther@suse.de>
715 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
716 (dump_function_to_file): Dump function arguments with types.
718 2008-04-08 Richard Guenther <rguenther@suse.de>
720 * fold-const.c (fold_widened_comparison): Do not allow
721 sign-changes that change the result.
723 2008-04-08 Janis Johnson <janis187@us.ibm.com>
726 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
727 kinds of indirect references.
729 2008-04-08 David Edelsohn <edelsohn@gnu.org>
731 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
732 GNU Fortran language string.
734 2008-04-08 Rafael Espindola <espindola@google.com>
736 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
737 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
738 * tree.h (tree_call_nonnegative_warnv_p): New.
740 2008-04-08 Jan Hubicka <jh@suse.cz>
742 * function.c (free_after_compilation): Clear out regno_reg_rtx
745 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
748 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
750 PR middle-end/PR28690
751 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
752 same precedence as REG_POINTER and MEM_POINTER operands.
754 2008-04-08 Richard Guenther <rguenther@suse.de>
757 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
758 for adding index to base.
760 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
762 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
763 (MINGW_ENABLE_EXECUTE_STACK): New.
764 (IN_LIBGCC2): For libgcc include windows.h file for
765 function declarations.
767 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
769 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
770 and tem2 if tem1 is not a REG or MULT.
772 2008-04-08 Jan Hubicka <jh@suse.cz>
774 * function.h (incomming_args): Break out of struct function.
775 (function_subsections): Break out of struct function.
776 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
777 return_rtx and hard_reg_initial_vals from struct function.
778 Kill inl_max_label_num.
779 (current_function_pops_args, current_function_args_info,
780 current_function_args_size, current_function_args_size,
781 current_function_pretend_args_size,
782 current_function_outgoing_args_size,
783 current_function_internal_arg_pointer, current_function_return_rtx):
784 Kill compatibility accestor macros.
785 * builtins.c (expand_builtin_apply_args_1): Update.
786 (expand_builtin_next_arg): Update.
787 * df-scan.c (df_get_call_refs): Update.
788 * dbxout.c (dbxout_function_end): Update.
789 * dwarf2out.c (dwarf2out_switch_text_section): Update.
790 (output_line_info): Update.
791 (secname_for_decl): Update.
792 (dwarf2out_var_location): Update.
793 * function.c (free_after_compilation): Update.
794 (assign_parm_find_stack_rtl): Update.
795 (assign_parms): Update.
796 (expand_dummy_function_end): Update.
797 (expand_function_end): Update.
798 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
799 (expand_call): Update.
800 (emit_library_call_value_1): Update.
801 (store_one_arg): Update.
802 * varasm.c (initialize_cold_section_name): Update.
803 (unlikely_text_section): Update.
804 (unlikely_text_section_p): Update.
805 (assemble_start_function): Update.
806 (assemble_end_function): Update.
807 (default_section_type_flags): Update.
808 (switch_to_section): Update.
809 * integrate.c (set_decl_abstract_flags): Update.
810 (get_hard_reg_initial_val): Update.
811 (has_hard_reg_initial_val): Update.
812 (allocate_initial_values): Update.
813 * resource.c (init_resource_info): Update.
814 * config/alpha/alpha.c (NUM_ARGS): Update.
815 (direct_return): Update.
816 (alpha_va_start): Update.
817 (alpha_sa_size): Update.
818 (alpha_initial_elimination_offset): Update.
819 (alpha_expand_prologue): Update.
820 (alpha_start_function): Update.
821 (alpha_expand_epilogue): Update.
822 (unicosmk_initial_elimination_offset):
823 * config/alpha/alpha.md (call expander): Update.
824 * config/s390/s390.c (s390_register_info): Update.
825 (s390_register_info): Update.
826 (s390_frame_info): Update.
827 (s390_initial_elimination_offset): Update.
828 (s390_build_builtin_va_list): Update.
829 (s390_va_start): Update.
830 * config/spu/spu.c (direct_return): Update.
831 (spu_expand_prologue): Update.
832 (spu_initial_elimination_offset): Update.
833 (spu_build_builtin_va_list): Update.
834 (spu_va_start): Update.
835 * config/sparc/sparc.c (sparc_init_modes): Update.
836 (sparc_compute_frame_size): Update.
837 (function_value): Update.
838 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
839 * config/i386/i386.md (return expander): Update.
840 * config/i386/i386.c (ix86_va_start): Update.
841 (ix86_can_use_return_insn_p): Update.
842 (ix86_compute_frame_layout): Update.
843 (ix86_expand_epilogue): Update.
844 * config/sh/sh.c (output_stack_adjust): Update.
845 (calc_live_regs): Update.
846 (sh_expand_prologue): Update.
847 (sh_builtin_saveregs): Update.
848 (sh_va_start): Update.
849 (initial_elimination_offset): Update.
850 (sh_allocate_initial_value): Update.
851 (sh_function_ok_for_sibcall): Update.
852 (sh_get_pr_initial_val): Update.
853 * config/sh/sh.md (return expander): Update.
854 * config/avr/avr.c (frame_pointer_required_p): UPdate.
855 * config/crx/crx.c (crx_compute_frame): UPdate.
856 (crx_initial_elimination_offset): UPdate.
857 * config/xtensa/xtensa.c (compute_frame_size): Update
858 (xtensa_builtin_saveregs): Update.
859 (xtensa_va_start): Update.
860 (order_regs_for_local_alloc): Update.
861 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
862 (xstormy16_expand_builtin_va_start): Update.
863 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
864 * config/m68hc11/m68hc11.md (return expanders): Update.
865 * config/m68hc11/m68hc11.c (expand_prologue): Update.
866 (expand_epilogue): Update.
867 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
868 (cris_simple_epilogue): Update.
869 (cris_expand_prologue): Update.
870 (cris_expand_epilogue): Update.
871 * config/iq2000/iq2000.c (iq2000_va_start): Update.
872 (compute_frame_size): Update.
873 * config/mt/mt.c (mt_compute_frame_size): Update.
874 * config/mn10300/mn10300.c (expand_prologue): Update.
875 (expand_epilogue): Update.
876 (initial_offset): Update.
877 (mn10300_builtin_saveregs):
878 * config/mn10300/mn10300.md (return expander): Update.
879 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
880 (ia64_initial_elimination_offset): Update.
881 (ia64_initial_elimination_offset): Update.
882 (ia64_expand_prologue): Update.
883 * config/m68k/m68k.md (return expander): Update.
884 * config/rs6000/rs6000.c (rs6000_va_start): Update.
885 (rs6000_stack_info): Update.
886 * config/mcore/mcore.c (layout_mcore_frame): Update.
887 (mcore_expand_prolog): Update.
888 * config/arc/arc.c (arc_compute_frame_size): Update.
889 * config/score/score3.c (score3_compute_frame_size): Update.
890 * config/score/score7.c (score7_compute_frame_size): Update.
891 * config/arm/arm.c (use_return_insn): Update.
892 (thumb_find_work_register): Update.
893 (arm_compute_save_reg_mask): Update.
894 (arm_output_function_prologue): Update.
895 (arm_output_epilogue): Update.
896 (arm_size_return_regs): Update.
897 (arm_get_frame_offsets): Update.
898 (arm_expand_prologue): Update.
899 (thumb_exit): Update.
900 (thumb_unexpanded_epilogue): Update.
901 (thumb1_output_function_prologue): Update.
902 * config/pa/pa.md (return expander): Update.
903 * config/pa/pa.c (compute_frame_size): Update.
904 (hppa_builtin_saveregs): Update.
905 * config/mips/mips.c (mips_va_start): Update.
906 (mips16_build_function_stub): Update.
907 (mips_compute_frame_info): Update.
908 (mips_restore_gp): Update.
909 (mips_output_function_prologue): Update.
910 (mips_expand_prologue): Update.
911 * config/v850/v850.c (compute_frame_size): Update.
912 (expand_prologue): * config/mmix/mmix.c (along): update.
913 (mmix_initial_elimination_offset): update.
914 (mmix_reorg): update.
915 (mmix_use_simple_return): update.
916 (mmix_expand_prologue): update.
917 (mmix_expand_epilogue): Update.
918 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
919 (emit_link_insn): Update.
921 2008-04-08 Anatoly Sokolov <aesok@post.ru>
923 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
924 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
926 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
929 2008-04-07 Jan Hubicka <jh@suse.cz>
931 * function.h (rtl): Rename to x_rtl.
933 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
934 frame_offset, stack_check_probe_note, arg_pointer_save_area,
935 used_temp_slots avail_temp_slots, temp_slot_level,
936 nonlocal_goto_handler_labels): Update accesstors.
937 (rtl): New global variable.
938 (struct function): Move some fileds to rtl_data.
939 (get_arg_pointer_save_area): Update prototype.
940 * builtins.c (expand_builtin_setjmp_receiver): Update call of
941 get_arg_pointer_save_area.
942 * expr.c (init_expr): Update
943 * function.c (get_frame_size): Update
944 (assign_stack_local): Update
945 (expand_function_end): Update.
946 (get_art_pointer_save_area): Update
948 * emit-rtl.c (rtl): Declare.
949 (regno_reg_rtx): Declare.
950 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
952 (gen_reg_rtx): Update.
953 * varasm.c (n_deferred_constatns): Update accestor.
954 (init_varasm_status): Do not allocate varasm_status.
955 (force_const_mem, get_pool_size, output_constant_pool): Update.
956 * stmt.c (force_label_rtx): Do not use x_ prefixes.
957 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
958 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
959 * sparc/sparc.h (INIT_EXPANDERS): Update.
960 * ia64/ia64.h (INIT_EXPANDERS): Update.
962 2008-04-07 James E. Wilson <wilson@tuliptree.org>
964 * reload.c (push_secondary_reload): Add missing break to for loop.
966 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
968 PR middle-end/PR28690
969 * rtlanal.c: Update copyright years.
970 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
971 as REG_POINTER and MEM_POINTER operands.
972 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
973 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
974 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
975 * gcse.c: Update copyright years.
976 (pre_delete): Call gen_reg_rtx_and_attrs.
977 (hoist_code): Likewise.
978 (build_store_vectors): Likewise.
979 (delete_store): Likewise.
980 * loop-invariant.c (move_invariant_reg): Likewise.
981 Update copyright years.
983 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
985 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
986 control string instead of quoted.
988 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
990 * doc/rtl.texi: Rewrite of subreg section.
992 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
995 * config/i386/i386.c (legitimize_pic_address): Add treating
996 of dllimport SYM_REF's.
997 (legitimize_dllimport_symbol): Add prototype.
999 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1001 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1002 reference in constructor with non self-referential type.
1004 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1006 Removal of Return with Depressed Stack Pointer support
1007 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1008 (ECF_SP_DEPRESSED): Likewise.
1009 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1010 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1011 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1012 (expand_call): Do not test ECF_SP_DEPRESSED.
1013 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1014 * function.c (keep_stack_depressed): Delete.
1015 (handle_epilogue_set): Likewise.
1016 (update_epilogue_consts): Likewise.
1017 (emit_equiv_load): Likewise.
1018 (thread_prologue_and_epilogue_insns): Remove support for Return with
1019 Depressed Stack Pointer.
1020 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1022 2008-04-06 Richard Guenther <rguenther@suse.de>
1024 PR tree-optimization/35400
1025 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1026 information from SSA_NAMEs.
1028 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1030 * config/avr/avr.h (avr_mega_p): Remove declaration.
1031 (AVR_MEGA): Remove macro.
1032 * config/avr/avr.c (avr_mega_p): Remove variable.
1033 (avr_override_options): Remove inicializion of avr_mega_p.
1034 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1035 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1036 (avr_jump_mode): (Ditto.).
1037 (avr_output_progmem_section_asm_op): (Ditto.).
1038 (avr_asm_init_sections): (Ditto.).
1039 (avr_asm_init_sections): (Ditto.).
1040 (avr_rtx_costs): (Ditto.).
1041 * config/avr/avr.md: (Ditto.).
1042 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1045 2008-04-06 Richard Guenther <rguenther@suse.de>
1047 PR tree-optimization/35842
1048 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1049 is_gimple_invariant_address.
1051 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1053 * gcc.c (default_compilers): Sync Fortran extensions list with
1054 that in fortran/lang-specs.h.
1055 * doc/invoke.texi: Likewise.
1056 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1057 * dwarf2out.c (gen_compile_unit_die): Likewise.
1059 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1061 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1063 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1066 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1067 attribute is used for nested functions.
1069 2008-04-05 Jan Hubicka <jh@suse.cz>
1071 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1073 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1075 (dump_files): Update.
1076 (enable_rtl_dump_file): Do not accept letter argument.
1077 * tree-pass.h (dump_file_info): Remove letter argument.
1078 * toplev.c (decode_d_option): Update -da handling.
1079 * toplev.h (enable_rtl_dump_file): Update prototype.
1080 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1081 it out based on pass type.
1082 (register_dump_files_1): Likewise.
1083 (init_optimization_passes): Update register_one_dump_file calls.
1084 (execute_one_pass): Sanity check that IPA passes are called at IPA
1085 level and RTL passes at RTL level.
1086 (execute_pass_list): IPA pass can not be after or subpass of
1088 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1089 disallov RTL subpasses of IPA subpasses.
1091 2008-04-05 Ben Elliston <bje@au.ibm.com>
1093 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1094 builtins that return exactly once and do not throw. Cache call to
1097 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1099 PR rtl-optimization/34916
1101 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1102 between instruction pairs.
1104 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1106 * doc/invoke.texi: Document -mbitops for SH.
1107 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1108 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1109 * config/sh/sh.c (print_operand): Add %t operand code.
1110 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1111 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1112 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1113 (extendqihi2): Likewise.
1114 (movqi_i): Likewise.
1115 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1116 (extv): Use bld instruction for SH2A if possible.
1118 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
1119 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
1120 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
1121 (bset.b, bclr.b): Define peepholes.
1122 * config/sh/sh.opt (mbitops): New option.
1124 2008-04-04 Janis Johnson <janis187@us.ibm.com>
1127 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
1128 and view convert expression.
1130 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1133 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1135 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
1137 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
1139 * config/i386/cpuid.h (bit_AES): New.
1140 (bit_PCLMUL): Likewise.
1142 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
1143 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
1144 SSE2 if AES or PCLMUL is enabled.
1145 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
1146 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1147 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
1148 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
1149 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
1150 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
1151 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1152 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
1153 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
1154 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
1155 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
1156 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
1157 __builtin_ia32_aeskeygenassist128 and
1158 __builtin_ia32_pclmulqdq128.
1159 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
1160 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
1161 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
1163 * config/i386/i386.h (TARGET_AES): New.
1164 (TARGET_PCLMUL): Likewise.
1165 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
1167 * config/i386/i386.md (UNSPEC_AESENC): New.
1168 (UNSPEC_AESENCLAST): Likewise.
1169 (UNSPEC_AESDEC): Likewise.
1170 (UNSPEC_AESDECLAST): Likewise.
1171 (UNSPEC_AESIMC): Likewise.
1172 (UNSPEC_AESKEYGENASSIST): Likewise.
1173 (UNSPEC_PCLMUL): Likewise.
1175 * config/i386/i386.opt (maes): New.
1176 (mpclmul): Likewise.
1178 * config/i386/sse.md (aesenc): New pattern.
1179 (aesenclast): Likewise.
1181 (aesdeclast): Likewise.
1183 (aeskeygenassist): Likewise.
1184 (pclmulqdq): Likewise.
1186 * config/i386/wmmintrin.h: New.
1188 * doc/extend.texi: Document AES and PCLMUL built-in function.
1190 * doc/invoke.texi: Document -maes and -mpclmul.
1192 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
1194 * function.c (free_after_parsing): Replace with
1195 cxx_push_function_context from C++ front-end.
1196 (allocate_struct_function): Don't call langhook.
1197 * langhooks.h (struct lang_hooks_for_functions): Delete.
1198 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
1200 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
1201 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
1202 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1203 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
1204 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
1205 remove LANG_HOOKS_FUNCTION_INITIALIZER.
1206 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
1208 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
1209 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
1211 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1214 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
1217 2008-04-04 Richard Guenther <rguenther@suse.de>
1220 * fold-const.c (optimize_minmax_comparison): Use the correct
1221 type for the constant in the simplified comparison.
1223 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
1225 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
1226 Pass L2 size as "--param l2-cache-size" to the compiler.
1227 (decode_l2_cache): New function to decode L2 cache parameters using
1228 0x8000006 extended cpuid function.
1229 (detect_caches_amd): Determine parameters of L2 cache using
1230 decode_l2_caches function.
1231 (decode_caches_intel): Decode L2 cache parameters.
1232 (detect_caches_intel): Determine L2 cache parameters using
1233 decode_caches_intel and decode_l2_caches functions.
1235 2008-04-03 Bob Wilson <bob.wilson@acm.org>
1237 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
1238 secondary input reload for subword loads from the constant pool.
1240 2008-04-03 Janis Johnson <janis187@us.ibm.com>
1243 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
1244 constants of the appropriate size for runtime calculations.
1247 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
1248 decimal-float literal constant zero.
1250 2008-04-03 Jakub Jelinek <jakub@redhat.com>
1253 * c-parser.c (c_parser_omp_atomic): Call
1254 default_function_array_conversion on the RHS.
1257 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
1258 call is_variable_sized if decl has incomplete type.
1260 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
1262 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
1264 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
1266 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
1268 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
1269 (sgt<u>): Merge sgt and sgtu into new expander.
1270 (sgt, sgtu): Remove expanders.
1271 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
1272 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
1273 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
1274 *sgtu_<mode>_mips16 into new pattern.
1275 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
1276 (sge<u>): Merge sge and sgeu into new expander.
1277 (sge, sgeu): Remove expanders.
1278 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
1280 (*sge_<mode>, second *sge_<mode>): Remove patterns.
1281 (slt<u>): Merge slt and sltu into new expander.
1282 (slt, sltu): Remove expanders.
1283 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
1284 (*slt_<mode>, *sltu_<mode>): Remove patterns.
1285 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
1286 *sltu_<mode>_mips16 into new pattern.
1287 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
1288 (sle<u>): Merge sle and sleu into new expander.
1289 (sle, sleu): Remove expanders.
1290 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
1291 (*sle_<mode>, *sleu_<mode>): Remove patterns.
1292 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
1293 *sleu_<mode>_mips16 into new pattern.
1294 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
1296 2008-04-03 Jan Hubicka <jh@suse.cz>
1298 PR tree-optimization/35795
1299 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
1300 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1301 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1302 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1303 * score/score3.c (score3_output_mi_thunk): Likewise.
1304 * score/score7.c (score7_output_mi_thunk): Likewise.
1305 * mips/mips.c (mips_output_mi_thunk): Likewise.
1307 2008-04-03 Richard Guenther <rguenther@suse.de>
1309 * tree-vrp.c (extract_range_from_unary_expr): Handle all
1310 conversions. Simplify code.
1312 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
1314 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
1316 2008-04-03 Tom Tromey <tromey@redhat.com>
1317 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1319 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1320 * config/bfin/t-bfin-linux (generated_files): Add
1321 linux-sysroot-suffix.h.
1322 * doc/install.texi (Prerequisites): Require make 3.80.
1323 * doc/sourcebuild.texi (Front End Directory): Document new
1325 * Makefile.in (generated_files): New variable.
1326 (ALL_HOST_OBJS): New variable.
1327 ($(ALL_HOST_OBJS)): New target.
1329 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1331 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
1332 (remap_block): Call id->transform_lang_insert_block instead
1334 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
1335 Set id.transform_lang_insert_block to NULL.
1336 (clone_body): Move to cp/optimize.c
1337 * tree-inline.h (struct copy_body_data): Change
1338 transform_lang_insert_block to function pointer.
1339 (copy_generic_body, copy_decl_no_change): Export.
1340 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
1341 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
1342 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
1344 * c-tree.h (insert_block): Kill.
1345 * c-decl.c (insert_block): Kill.
1347 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1349 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1350 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1351 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
1353 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
1354 argument, call {push,pop}_function_context from here.
1355 * c-parser.c: Use c_{push,pop}_function_context.
1357 * function.c (push_function_context_to): Move meat ...
1358 (push_function_context): ... here. Simplify.
1359 * function.c (pop_function_context_from): Move meat ...
1360 (pop_function_context): ... here. Simplify.
1361 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
1363 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1364 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1365 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
1366 * tree.h (push_function_context_to, pop_function_context_from): Remove.
1368 2008-04-03 Ben Elliston <bje@au.ibm.com>
1370 * expmed.c (extract_force_align_mem_bit_field): Remove.
1372 2008-04-03 Richard Guenther <rguenther@suse.de>
1375 * expr.h (try_casesi): Adjust prototype.
1376 * expr.c (try_casesi): Take fallback label as extra parameter.
1377 Use that for gen_casesi if default_label is NULL.
1378 * stmt.c (expand_case): Pass fallback label to try_casesi,
1379 make sure to fill gaps with a fallback label if default_label
1382 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
1385 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
1387 2008-04-03 Ben Elliston <bje@au.ibm.com>
1389 * expmed.c (extract_split_bit_field): Remove if (0) code.
1390 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
1391 (do_ds_constraint): Likewise.
1393 2008-04-02 Joseph Myers <joseph@codesourcery.com>
1395 * doc/cppopts.texi (-dU): Document.
1396 * c-common.h (flag_dump_macros): Update comment.
1397 * c-opts.c (handle_OPT_d): Handle -dU.
1398 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
1399 dump_queued_macros, cb_used_define, cb_used_undef): New.
1400 (init_pp_output): Handle -dU.
1401 (cb_line_change): Call dump_queued_macros.
1402 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
1404 2008-04-02 Anatoly Sokolov <aesok@post.ru>
1406 * config/avr/predicates.md (io_address_operand): New predicate.
1407 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
1408 * config/avr/avr.c (avr_io_address_p): Remove function.
1409 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
1410 'avr_io_address_p' function.
1411 (out_movhi_r_mr): (Ditto.).
1412 (out_movqi_mr_r): (Ditto.).
1413 (out_movhi_mr_r): (Ditto.).
1414 (avr_address_cost): (Ditto.).
1416 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
1418 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
1419 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
1420 in 32bit mode when XMM registers are available to avoid store
1422 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
1423 corresponding post-reload splitters.
1425 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1427 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
1428 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
1429 __builtin_ia32_roundss.
1430 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
1431 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
1432 __builtin_ia32_roundss.
1433 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
1434 IX86_BUILTIN_SHUFPD here.
1436 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1438 * config/i386/i386.md (plogic): New.
1439 (plogicprefix): Likewise.
1441 * config/i386/mmx.md (mmx_<code><mode>3): New.
1442 (mmx_and<mode>3): Removed.
1443 (mmx_ior<mode>3): Likewise.
1444 (mmx_xor<mode>3): Likewise.
1446 * config/i386/sse.md (<code><mode>3): New.
1447 (*<code><mode>3): Likewise.
1448 (*<code><mode>3): Likewise.
1449 (<code><mode>3): Likewise.
1450 (*sse_<code><mode>3): Likewise.
1451 (*sse2_<code><mode>3): Likewise.
1452 (<code>tf3): Likewise.
1453 (*<code>tf3): Likewise.
1454 (and<mode>3): Likewise.
1455 (*and<mode>3): Likewise.
1456 (ior<mode>3): Removed.
1457 (*ior<mode>3): Likewise.
1458 (xor<mode>3): Likewise.
1459 (*xor<mode>3): Likewise.
1460 (*and<mode>3): Likewise.
1461 (*ior<mode>3): Likewise.
1462 (*xor<mode>3): Likewise.
1463 (and<mode>3): Likewise.
1464 (*sse_and<mode>3): Likewise.
1465 (*sse2_and<mode>3): Likewise.
1467 (*andtf3): Likewise.
1468 (ior<mode>3): Likewise.
1469 (*sse_ior<mode>3): Likewise.
1470 (*sse2_ior<mode>3): Likewise.
1472 (*iortf3): Likewise.
1473 (xor<mode>3): Likewise.
1474 (*sse_xor<mode>3): Likewise.
1475 (*sse2_xor<mode>3): Likewise.
1477 (*xortf3): Likewise.
1479 2008-04-02 Richard Guenther <rguenther@suse.de>
1481 PR tree-optimization/14495
1482 PR tree-optimization/34793
1483 * tree-vrp.c (struct switch_update): New structure.
1484 (to_remove_edges, to_update_switch_stmts): New VECs.
1485 (simplify_switch_using_ranges): New function. Remove not taken
1486 case labels and edges.
1487 (simplify_stmt_using_ranges): Call it.
1488 (identify_jump_threads): Mark edges we have queued for removal
1489 so we don't thread them.
1490 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
1492 * tree-cfg.c (group_case_labels): Deal with missing default label.
1493 (tree_verify_flow_info): Allow missing default label.
1494 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
1495 (emit_case_nodes): Likewise.
1496 (expand_case): Do not rely on the default label to be present.
1497 * expr.c (try_casesi): Deal with NULL default_label.
1498 (do_tablejump): Likewise.
1500 2008-04-02 Richard Guenther <rguenther@suse.de>
1502 PR tree-optimization/14495
1503 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
1504 SWITCH_EXPR here ...
1505 (vrp_visit_switch_stmt): ... but here (new function).
1506 (find_case_label_index): New helper function.
1507 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
1509 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1511 * fwprop.c: Fix ISO-C99ism.
1513 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1516 * Makefile.in (objdir): Set it here.
1517 * configure.ac: Not here. Find dynamic linker characteristics.
1518 * exec-tool.in: Use them.
1519 * aclocal.m4: Regenerate.
1520 * configure: Regenerate.
1522 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1524 * expr.c (expand_var): Delete it.
1525 * expr.h (expand_var): Delete prototype.
1526 * function.c (expand_function_start): Use expand_decl instead.
1527 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
1530 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
1532 PR rtl-optimization/35542
1533 * fwprop.c (forward_propagate_and_simplify): Replace
1534 loc_reg_mentioned_in_p with reg_mentioned_p.
1536 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1538 PR rtl-optimization/35281
1539 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
1540 (propagate_rtx_1): Handle PR_HANDLE_MEM.
1541 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
1542 (varying_mem_p): Move above propagate_rtx.
1543 (all_uses_available_at): Do not check MEMs.
1545 2008-04-02 Rafael Espindola <espindola@google.com>
1547 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
1548 (register_edge_assert_for_2): Split the cond argument.
1549 (register_edge_assert_for_1): Adjust for the change in
1550 register_edge_assert_for_2.
1551 (register_edge_assert_for): Split the cond argument.
1552 (find_switch_asserts): Adjust for the change in
1553 register_edge_assert_for.
1555 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
1557 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
1558 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
1559 offsets for 64-bit mingw.
1560 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
1561 abi for x86_64-pc-mingw.
1563 2008-04-02 Richard Guenther <rguenther@suse.de>
1565 * tree-vrp.c (extract_range_from_assert): Make sure to not
1566 produce range min/max with TREE_OVERFOW set.
1567 If merging a anti-range and a range keep the anti-range if
1568 the range covers all values of the type.
1569 (register_edge_assert_for_2): Only allow sign-changing
1570 conversions in detecting canonical range checks. Also
1571 register an assert for the unsigned name if useful.
1573 PR tree-optimization/35787
1574 * tree-vrp.c (vrp_val_max): New function.
1575 (vrp_val_min): Likewise.
1576 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
1577 (vrp_val_is_min): Likewise.
1578 (supports_overflow_infinity): Use vrp_val_{min,max}.
1579 (negative_overflow_infinity): Likewise.
1580 (positive_overflow_infinity): Likewise.
1581 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
1582 (is_positive_overflow_infinity): Likewise.
1583 (is_overflow_infinity): Likewise.
1584 (avoid_overflow_infinity): Use vrp_val_{min,max} and
1585 vrp_val_is_{min,max}.
1586 (set_and_canonicalize_value_range): Canonicalize anti-ranges
1587 to ranges if possible. Avoid empty ranges.
1589 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1592 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
1593 the expression is a function address.
1595 2008-04-01 George Helffrich <george@gcc.gnu.org>
1597 PR fortran/PR35154, fortran/PR23057
1598 * fortran/trans-common.c (create_common): Add decl to function
1599 chain to preserve identifier scope in debug output.
1601 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
1602 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
1603 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
1604 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
1606 (dbxout_syms): Check for COMMON-based symbol and wrap in
1607 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
1608 in bracket for efficiency.
1610 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
1611 using DW_TAG_common_block + member offset.
1612 (add_pubname_string): New function.
1613 (dw_expand_expr): New function to find block name and offset for
1615 (common_check): New function to check whether symbol in Fortran COMMON.
1616 (gen_variable_die): If COMMON, use DW_TAG_common_block.
1618 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
1619 use of common is unchanged.
1621 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
1622 with all combinations of debug options available on target.
1623 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
1624 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
1625 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
1626 .stabs functionality.
1627 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
1628 DWARF functionality.
1630 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
1633 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
1635 2008-04-02 Ben Elliston <bje@au.ibm.com>
1637 * config/v850/v850.md (casesi): Remove if (0) code.
1638 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1639 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
1641 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/i386.md (rex64suffix): New mode attribute.
1644 (floathi<mode>2): Disable expander for SSE math.
1645 (*floathi<mode>2_1): New insn insn_and_split pattern.
1646 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
1647 corresponding post-reload splitters.
1648 (*floathi<mode>2_i387): New macroized insn pattern.
1649 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
1650 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
1651 insn_and_split pattern.
1652 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
1653 New macroized instruction patterns and corresponding post-reload
1655 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
1656 and corresponding post-reload splitters.
1657 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
1658 New macroized instruction patterns.
1659 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
1660 macroized instruction patterns and corresponding post-reload splitters.
1661 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
1662 corresponding post-reload splitters.
1663 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
1664 New macroized instruction patterns.
1665 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
1666 corresponding post-reload splitters.
1667 (*floatsi<mode>2_i387): New macroized instruction patterns.
1669 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
1671 * config/i386/i386.md (smaxmin): New.
1672 (umaxmin): Likewise.
1673 (maxminiprefix): Likewise.
1674 (maxminfprefix): Likewise.
1675 (<code><mode>3): Likewise.
1676 (smin<mode>3): Removed.
1677 (smax<mode>3): Likewise.
1679 * config/i386/mmx.md (mmx_<code>v2sf3): New.
1680 (mmx_<code>v4hi3): Likewise.
1681 (mmx_<code>v8qi3): Likewise.
1682 (mmx_smaxv2sf3): Removed.
1683 (mmx_sminv2sf3): Likewise.
1684 (mmx_umaxv8qi3): Likewise.
1685 (mmx_smaxv4hi3): Likewise.
1686 (mmx_uminv8qi3): Likewise.
1687 (mmx_sminv4hi3): Likewise.
1689 * config/i386/sse.md (<addsub><mode>3): New.
1690 (*<addsub><mode>3): Likewise.
1691 (<sse>_vm<addsub><mode>3): Likewise.
1692 (<maxmin><mode>3): Likewise.
1693 (*<maxmin><mode>3_finite): Likewise.
1694 (*<maxmin><mode>3): Likewise.
1695 (<sse>_vm<maxmin><mode>3): Likewise.
1696 (sse3_h<addsub>v4sf3): Likewise.
1697 (sse3_h<addsub>v2df3): Likewise.
1698 (<maxmin>v16qi3): Likewise.
1699 (*<maxmin>v16qi3): Likewise.
1700 (<maxmin>v8hi3): Likewise.
1701 (*<maxmin>v8hi3): Likewise.
1702 (*sse4_1_<maxmin><mode>3): Likewise.
1703 (*sse4_1_<maxmin><mode>3): Likewise.
1704 (add<mode>3): Removed.
1705 (*add<mode>3): Likewise.
1706 (<sse>_vmadd<mode>3): Likewise.
1707 (sub<mode>3): Likewise.
1708 (*sub<mode>3): Likewise.
1709 (<sse>_vmsub<mode>3): Likewise.
1710 (smin<mode>3): Likewise.
1711 (*smin<mode>3_finite): Likewise.
1712 (*smin<mode>3): Likewise.
1713 (<sse>_vmsmin<mode>3): Likewise.
1714 (smax<mode>3): Likewise.
1715 (*smax<mode>3_finite): Likewise.
1716 (*smax<mode>3): Likewise.
1717 (<sse>_vmsmax<mode>3): Likewise.
1718 (sse3_haddv4sf3): Likewise.
1719 (sse3_haddv2df3): Likewise.
1720 (sse3_hsubv4sf3): Likewise.
1721 (sse3_hsubv2df3): Likewise.
1722 (umaxv16qi3): Likewise.
1723 (*umaxv16qi3): Likewise.
1724 (smaxv8hi3): Likewise.
1725 (*smaxv8hi3): Likewise.
1726 (*sse4_1_smax<mode>3): Likewise.
1727 (*sse4_1_umax<mode>3): Likewise.
1728 (uminv16qi3): Likewise.
1729 (*uminv16qi3): Likewise.
1730 (sminv8hi3): Likewise.
1731 (*sminv8hi3): Likewise.
1732 (*sse4_1_smin<mode>3): Likewise.
1733 (*sse4_1_umin<mode>3): Likewise.
1735 2008-04-01 Rafael Espindola <espindola@google.com>
1737 * tree-cfg.c (verify_expr): remove in_phi.
1738 (verify_stmt): Don't call walk_tree with verify_expr. Use
1739 is_gimple_min_invariant instead of is_gimple_val.
1741 2008-04-01 Joseph Myers <joseph@codesourcery.com>
1743 * doc/include/gpl_v3.texi: Update for manpage generation.
1744 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1746 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1747 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1748 gpl_v3.texi instead of gpl.texi.
1751 2008-04-01 Jakub Jelinek <jakub@redhat.com>
1754 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1756 2008-04-01 Rafael Espindola <espindola@google.com>
1758 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1759 (extract_code_and_val_from_cond): Use
1760 extract_code_and_val_from_cond_with_ops.
1762 2008-04-01 Jan Hubicka <jh@suse.cz>
1764 * function.c (free_after_compilation): Free epilogue_delay_list.
1765 (prepare_function_start): Assert that previous compilation was freed.
1767 2008-04-01 Jan Hubicka <jh@suse.cz>
1768 Jim Wilson <wilson@tuliptree.org>
1769 Andreas Tobler <andreast@gcc.gnu.org>
1772 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1773 rtl.emit instead cfun->emit.
1774 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1775 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1777 2008-04-01 Ben Elliston <bje@au.ibm.com>
1779 * doc/c-tree.texi (Function Basics): Fix grammatical error.
1781 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
1783 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1785 (fprofile-use): Add var flag_profile_use
1786 * coverage.c (coverage_begin_output): Do not open a gcno file for
1787 output only if -ftest-coverage is set.
1788 Do not add getpwd() to gcda file path.
1789 (build_gcov_info): Check the new flag
1790 flag_profile_datafile_relative_path.
1791 (coverage_init): Use profile_data_prefix.
1792 Read profile counter only if flag_profile_use is set.
1793 * opts.c (common_handle_option): New option fprofile-use=,
1794 fprofile-dir=, fprofile-generate=.
1795 * toplev.c (profile_data_prefix): New variable definition.
1796 * toplev.h (profile_data_prefix): New declaration.
1797 * doc/invoke.tex (Option Summary, Optimization Options):
1800 2008-03-31 James E. Wilson <wilson@tuliptree.org>
1802 * varasm.c (output_constant_pool_1): In LABEL_REF check,
1803 use tmp consistently.
1806 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1807 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1808 UNSPEC_FR_RECIP_APPROX_RES.
1809 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1811 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
1814 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1816 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1819 * fold-const.c (fold_indirect_ref_1): Support accessing non first
1820 element of the vector via a pointer.
1822 2008-03-31 Ian Lance Taylor <iant@google.com>
1824 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1826 2008-03-31 Jan Hubicka <jh@suse.cz>
1828 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1829 get_arg_pointer_save_area.
1830 * expr.c (init_expr): Just clear out rtl.expr.
1831 * function.c (free_after_compilation): Clear out whole RTL structure.
1832 (get_func_frame_size): Merge into ...
1833 (get_frame_size): ... this one.
1834 (assign_stack_local_1): Merge into ...
1835 (assign_stack_local): ... this one.
1836 (expand_function_end): Update call of get_arg_pointer_save_area.
1837 (get_art_pointer_save_area): Remove cfun argument.
1838 * function.h (emit_status): regno_pointer_align does not need length
1839 attribute. Move x_regno_reg_rtx to ...
1840 (regno_reg_rtx): ... new global array.
1841 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1842 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1843 apply_args_value, forced_labels, stack_pointer_delta):
1845 (struct varasm_status): Move here from varasm.c
1846 (struct rtl_data): New. Move here some fields from struct function.
1847 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1848 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1849 used_temp_slots avail_temp_slots, temp_slot_level,
1850 nonlocal_goto_handler_labels): Update accesstors.
1851 (rtl): New global variable.
1852 (struct function): Move some fileds to rtl_data.
1853 (get_arg_pointer_save_area): Update prototype.
1854 * emit-rtl.c (rtl): Declare.
1855 (regno_reg_rtx): Declare.
1856 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1858 (gen_reg_rtx): Update.
1859 (init_virtual_regs): Do not tate emit_status argument.
1860 (init_emit): Do not allocate emit.
1861 * varasm.c (varasm_statuc): Move to function.h.
1862 (n_deferred_constatns): Update accestor.
1863 (init_varasm_status): Do not allocate varasm_status.
1864 (force_const_mem, get_pool_size, output_constant_pool): Update.
1865 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1866 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1868 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
1870 PR rtl-optimization/35729
1871 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1874 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
1877 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1878 load/store if memory is unaligned.
1879 (*movti_rex64): Likewise.
1881 * config/i386/predicates.md (misaligned_operand): New.
1883 2008-03-31 Andrew Pinski <pinskia@gmail.com>
1886 * tree-ssa-phiopt.c (conditional_replacement): Return early for
1889 2008-03-31 Jan Beulich <jbeulich@novell.com>
1891 * config/ia64/constraints.md: Add 'j' constraint.
1892 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1893 (movdi_internal): Likewise.
1895 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
1898 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1900 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1903 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1904 proper error message for the third argument on blendpd and
1907 * config/i386/sse.md (blendbits): New.
1908 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1910 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
1912 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1914 2008-03-30 Richard Guenther <rguenther@suse.de>
1917 * fold-const.c (fold_sign_changed_comparison): Do leave
1918 conversions to base-types alone.
1920 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1922 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1923 the link register if one altivec register is be saved.
1925 2008-03-30 Ben Elliston <bje@au.ibm.com>
1927 * final.c (final_scan_insn): Remove if (0) code.
1929 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
1931 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1933 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
1935 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1936 of V4SFmode to ix86_binary_operator_ok.
1938 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
1940 * config/i386/i386.c (override_options): Initialize
1941 ix86_veclib_handler to ix86_veclibabi_svml when
1942 -mveclibabi=svml is used.
1943 (ix86_veclibabi_svml): New function for SVML ABI style
1944 vectorization support.
1945 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1947 2008-03-28 Rafael Espindola <espindola@google.com>
1949 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1950 (tree_binary_nonnegative_warnv_p): Make it public.
1951 (tree_single_nonnegative_warnv_p): Make it public.
1952 (tree_invalid_nonnegative_warnv_p): Make it public.
1953 (tree_unary_nonzero_warnv_p): Make it public.
1954 (tree_binary_nonzero_warnv_p): Make it public
1955 (tree_single_nonzero_warnv_p): Make it public.
1956 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1957 (extract_range_from_binary_expr): Split the expr argument.
1958 (extract_range_from_unary_expr): Split the expr argument.
1959 (extract_range_from_comparison): Split the expr argument.
1960 (extract_range_from_expr): Use the new aux functions.
1961 (vrp_evaluate_conditional_warnv): Use
1962 vrp_evaluate_conditional_warnv_with_ops.
1963 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1964 (tree_binary_nonzero_warnv_p): Declare.
1965 (tree_single_nonzero_warnv_p): Declare.
1966 (tree_expr_nonzero_warnv_p): Declare.
1967 (tree_unary_nonnegative_warnv_p): Declare.
1968 (tree_binary_nonnegative_warnv_p): Declare.
1969 (tree_single_nonnegative_warnv_p): Declare.
1970 (tree_invalid_nonnegative_warnv_p): Declare.
1972 2008-03-28 Richard Guenther <rguenther@suse.de>
1974 PR tree-optimization/30317
1975 PR tree-optimization/30911
1976 PR tree-optimization/34793
1977 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1978 (struct assert_locus_d): New member EXPR.
1979 (register_new_assert_for): Add EXPR parameter to support
1980 ASSERT_EXPR <name, expr OP limit>.
1981 (register_edge_assert_for_1): Adjust callers.
1982 (find_assert_locations): Likewise.
1983 (process_assert_insertions_for): Build condition from expression.
1984 (extract_range_from_assert): Handle ASSERT_EXPRs
1985 of the form ASSERT_EXPR <name, expr OP limit>.
1986 (register_edge_assert_for_2): New helper registering
1987 asserts for comparisons. Recognize range tests of the form
1988 (unsigned)i - CST1 OP CST2.
1989 (register_edge_assert_for_1): Use it.
1990 (register_edge_assert_for): Likewise.
1991 (needs_overflow_infinity): Integer sub-types
1992 do not need overflow infinities.
1993 (vrp_val_is_max): The extreme values of integer sub-types
1994 are those of the base type.
1995 (vrp_val_is_min): Likewise.
1996 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1999 2008-03-28 Nick Clifton <nickc@redhat.com>
2002 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2003 Return GENERAL_REGS for stack adjustment reloads.
2005 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2008 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2009 const_vector when all the vectors are constant.
2011 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2013 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2015 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2016 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2018 (s<code>_sf): Use new scc_sf attribute for opcode names.
2020 2008-03-27 Tom Tromey <tromey@redhat.com>
2022 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2023 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2024 config/spu/t-spu-elf, config/i386/t-interix,
2025 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2026 config/i386/x-darwin, config/i386/x-mingw32,
2027 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2028 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2029 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2030 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2031 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2032 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2033 config/score/t-score-elf, config/arm/t-strongarm-pe,
2034 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2035 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2036 Revert automatic dependency patch.
2038 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2041 * config/i386/i386.c (ix86_function_arg_boundary): Align
2042 decimal floating point to its natural boundary.
2044 2008-03-27 Richard Guenther <rguenther@suse.de>
2047 * fold-const.c (fold_comparison): Restrict distinct decl
2048 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2049 solely rely on operand_equal_p.
2051 2008-03-27 Richard Guenther <rguenther@suse.de>
2054 * c-common.c (handle_weak_attribute): Reject combination of
2057 2008-03-27 Richard Guenther <rguenther@suse.de>
2059 PR tree-optimization/32810
2060 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2061 conversions from DECL_INITIAL.
2062 (fold_const_aggregate_ref): Likewise from constructor elements.
2064 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2066 * tree-affine.h (aff_combination_expand): Declare.
2067 (get_inner_reference_aff): Likewise.
2068 * tree-affine.c (aff_combination_expand): Split out from
2069 tree_to_aff_combination_expand.
2070 (get_inner_reference_aff): New function.
2071 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2072 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2073 (struct lim_aux_data): sm_done field removed.
2074 (mem_ref_loc_p, mem_ref_locs_p): New types.
2075 (struct mem_ref): Added id, stored, accesses_in_loop,
2076 indep_loop, dep_loop, indep_ref, dep_ref fields.
2077 Removed is_stored, locs and next fields.
2078 (memory_accesses): New variable.
2079 (movement_possibility): Do not allow moving statements
2080 that store to memory.
2081 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2083 (determine_max_movement): For statements with memory references,
2084 find the outermost loop in that the reference is independent.
2085 (move_computations_stmt): Mark the virtual operands for renaming.
2086 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2087 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2088 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2089 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2090 create_vop_ref_mapping, analyze_memory_references,
2091 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2092 get_all_locs_in_loop, ref_always_accessed_p,
2093 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2094 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2095 store_motion_loop, store_motion): New functions.
2096 (struct vop_to_refs_elt): New type.
2097 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2098 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2099 (schedule_sm): Replaced by...
2100 (execute_sm): ... this.
2101 (determine_lsm_ref, hoist_memory_references,
2102 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2103 find_more_ref_vops, free_mem_ref, free_mem_refs,
2104 determine_lsm_loop, determine_lsm): Removed.
2105 (tree_ssa_lim_finalize): Free data structures used by store motion.
2106 (tree_ssa_lim): Call analyze_memory_references. Use
2107 store_motion instead of determine_lsm.
2109 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2111 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2112 rename tmake_file to m68hc11/t-m68hc11.
2113 (mcore): Set inhibit_libc to true.
2114 * config.host (alpha*-dec-*vms*): Set extra_programs.
2115 (interix3*): Don't use host_xmake_file.
2116 * configure.ac: Let config.gcc override inhibit_libc.
2117 * configure: Regenerate.
2119 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2120 * config/t-openbsd-thread: Remove commented out lines.
2122 * config/x-interix: Remove.
2124 * config/m68hc11/t-m68hc11-gas: Rename to...
2125 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2127 * config/mcore/t-mcore: Remove T_CFLAGS.
2128 * config/mcore/t-mcore-pe: Likewise.
2130 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2132 * configure.ac: Replace custom __GNU_SOURCE test with
2133 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2134 * aclocal.m4: Regenerate.
2135 * configure: Regenerate.
2136 * config.in: Regenerate.
2138 2008-03-27 Richard Guenther <rguenther@suse.de>
2140 * fold-const.c (target.h): Include.
2141 (fold_comparison): Fold comparison of addresses of decls
2142 that bind locally or of constants. Consolidate address folding code.
2143 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2144 results from fold_binary_to_constant.
2145 (compare_values_warnv): Likewise.
2147 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2150 * fold-const.c (fold_truthop): Check for integeral types when folding
2151 a == 0 && b == 0 and a != 0 || b != 0 .
2153 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2155 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2157 2008-03-26 Andreas Schwab <schwab@suse.de>
2159 * doc/invoke.texi: Fix use of @item vs. @itemx.
2161 2008-03-26 Tom Tromey <tromey@redhat.com>
2163 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2164 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2165 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2166 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2167 build/genconstants.o, build/genemit.o, build/genextract.o,
2168 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2169 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2172 2008-03-26 Richard Guenther <rguenther@suse.de>
2175 2008-03-26 Richard Guenther <rguenther@suse.de>
2177 * fold-const.c (target.h): Include.
2178 (fold_comparison): Fold comparison of addresses of two decls
2179 that bind locally. Consolidate address folding code.
2181 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2184 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2185 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2186 dconstsqrt2, dconstthird, dconste and/or dconst10.
2187 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2188 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2189 dconstsqrt2, dconste): Delete.
2190 (init_emit_once): Likewise. Simplify initializing dconstm1.
2192 * real.c (get_real_const): New.
2193 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2194 dconstsqrt2, dconste): Delete.
2195 (real_value_const, get_real_const): New.
2197 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2199 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2201 * config/i386/i386.c (ix86_function_arg_boundary): Check
2202 BIGGEST_ALIGNMENT instead of 128.
2203 (setup_incoming_varargs_64): Likewise.
2205 2008-03-26 Tom Tromey <tromey@redhat.com>
2207 * Makefile.in (DEPFILES): Add missing '/'.
2209 2008-03-26 Richard Guenther <rguenther@suse.de>
2211 * fold-const.c (target.h): Include.
2212 (fold_comparison): Fold comparison of addresses of two decls
2213 that bind locally. Consolidate address folding code.
2215 2008-03-26 Nick Clifton <nickc@redhat.com>
2218 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2219 not allow INT+INT as a legitimate addressing mode.
2221 2008-03-26 Richard Guenther <rguenther@suse.de>
2223 * tree-flow.h (widen_bitfield): Remove declaration.
2224 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2225 (widen_bitfield): Remove function.
2226 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2229 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2232 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2235 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2237 PR rtl-optimization/35232
2238 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2239 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2240 reg_reloaded_call_part_clobbered here.
2241 (reload_regs_reach_end_p): New function.
2242 (reload_reg_rtx_for_input): New variable.
2243 (reload_reg_rtx_for_output): Likewise.
2244 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2245 when reassigning a pseudo register. Load reloadreg from
2246 reload_reg_rtx_for_input, moving the mode and register
2248 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2249 instead of the original when deciding whether an input reload
2250 would be a no-op or whether an output reload can be deleted.
2251 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2252 when setting up new_spill_reg_store. Load it from
2253 reload_reg_rtx_for_output, moving the mode and register
2255 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2256 instead of the original when deciding whether an output reload
2257 would be a no-op. Do the same when modifying insn notes.
2258 Use rtx_equal_p instead of == to compare the registers.
2259 (inherit_piecemeal_p): Take a mode and two register numbers
2261 (emit_reload_insns): Clear new_spill_reg_store for every hard
2262 register in the reload register. Remove spill registers
2263 from reg_reloaded_valid before considering whether to record
2264 inheritance information for them. Use reload_reg_rtx_for_output
2265 instead of reg_rtx when recording output reloads. Use
2266 reload_reg_rtx_for_input instead of reg_rtx when recording
2267 input reloads. Set or clear reg_reloaded_call_part_clobbered
2268 at the same time as setting reg_reloaded_valid.
2269 (delete_output_reload): Add a new_reload_reg parameter and use it
2270 instead of rld[j].reg_rtx.
2271 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2274 2008-03-25 Tom Tromey <tromey@redhat.com>
2276 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2277 (build/genattr.o): Likewise.
2278 (build/genattrtab.o): Likewise.
2279 (build/gencodes.o): Likewise.
2280 (build/genconfig.o): Likewise.
2281 (build/genconstants.o): Likewise.
2282 (build/genemit.o): Likewise.
2283 (build/genextract.o): Likewise.
2284 (build/genflags.o): Likewise.
2286 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2288 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2289 instead of size_int for integer types.
2290 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2291 to match type of MINUS_EXPR.
2293 2008-03-25 Tom Tromey <tromey@redhat.com>
2295 * configure: Rebuilt.
2296 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2299 2008-03-25 Tom Tromey <tromey@redhat.com>
2301 * config/x-solaris (host-solaris.o): Update.
2302 * config/x-linux (host-linux.o): Update.
2303 * config/x-hpux (host-hpux.o): Update.
2304 * config/x-darwin (host-darwin.o): Update.
2305 * config/v850/t-v850e (v850-c.o): Update.
2306 * config/v850/t-v850 (v850-c.o): Update.
2307 * config/t-vxworks (vxworks.o): Update.
2308 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2309 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2310 * config/spu/t-spu-elf (spu-c.o): Update.
2312 * config/sh/t-symbian (sh-c.o): Update.
2313 (symbian.o): Update.
2314 * config/sh/t-sh (sh-c.o): Update.
2315 * config/score/t-score-elf (score7.o, score3.o): Update.
2316 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2317 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2318 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2319 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2321 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2322 * config/m32c/t-m32c (m32c-pragma.o): Update.
2323 * config/ia64/t-ia64 (ia64-c.o): Update.
2324 * config/i386/x-mingw32 (host-mingw32.o): Update.
2325 * config/i386/x-i386 (driver-i386.o): Update.
2326 * config/i386/x-darwin (host-i386-darwin.o): Update.
2327 * config/i386/x-cygwin (host-cygwin.o): Update.
2328 * config/i386/t-nwld (nwld.o): Update.
2329 * config/i386/t-netware (netware.o): Update.
2330 * config/i386/t-interix (winnt.o): Update.
2331 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2332 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2333 msformat-c.o): Update.
2334 * config/bfin/t-bfin-linux (generated_files): Add
2335 linux-sysroot-suffix.h.
2336 * config/arm/t-wince-pe (pe.o): Update.
2337 * config/arm/t-strongarm-pe (pe.o): Update.
2338 * config/arm/t-pe (pe.o): Update.
2339 * config/arm/t-arm (arm-c.o): Update.
2340 * doc/install.texi (Prerequisites): Require make 3.80.
2341 * Makefile.in: Remove .o targets.
2342 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2343 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2344 (simple_generated_h, simple_generated_c): Move earlier.
2345 (generated_files): New variable.
2346 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2347 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2348 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2349 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2350 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2351 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2352 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2353 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2354 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2355 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2356 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2357 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2359 (COMPILE.base, COMPILE): New variables.
2360 (%.o): New pattern rule.
2361 (ALL_HOST_OBJS): New variable.
2362 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2363 (dummy-checksum.o, cc1-checksum.o): Remove.
2364 (DRIVER_SHLIB): New variable.
2365 (DRIVER_DEFINES): Use it.
2366 (gencondmd.c): Move out of build/.
2367 (s-conditions): Update.
2368 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2369 (ALL_BUILD_OBJS): Likewise.
2370 (build/%.o): Use BUILDCOMPILE.
2371 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2372 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2373 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2374 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2375 build/genconfig.o, build/genconstants.o, build/genemit.o,
2376 build/genextract.o, build/genflags.o, build/genmddeps.o,
2377 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2378 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2379 build/gen-protos.o, build/scan.o, build/fix-header.o,
2380 build/scan-decls.o): Simplify.
2381 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2382 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2383 prefix.o, toplev.o): Reduce to variable setting.
2384 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2385 ($(out_object_file), gcc-options.o): New targets.
2386 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2387 * configure: Rebuilt.
2388 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2389 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2391 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2393 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2394 complain when we hit an error, return ERROR_MARK_NODE.
2396 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2398 * config/sh/constraints.md (Pso, Psz): New constraints.
2399 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2400 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2402 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2404 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2405 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2407 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2409 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2410 (prefetch_sh2a): New.
2412 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2413 Naveen.H.S <naveen.hs@kpitcummins.com>
2415 * config/sh/constraints.md (I28): New constraint.
2416 * config/sh/sh.c (broken_move): Add support for movi20s.
2417 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2419 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2420 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2421 Naveen.H.S <naveen.hs@kpitcummins.com>
2423 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2424 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2425 (print_operand): Handle resbank in %@ operand code.
2426 (sh_encode_section_info): New.
2427 (push_regs): Add conditions for resbank.
2428 (sh_expand_epilogue): Likewise.
2429 (sh_insert_attributes): Likewise.
2430 (sh_attribute_table): Likewise.
2431 (sh_handle_resbank_handler_attribute): New.
2432 (sh2a_handle_function_vector_handler_attribute): New.
2433 (sh2a_is_function_vector_call): New.
2434 (sh2a_get_function_vector_number): New.
2435 (sh2a_function_vector_p): New.
2436 (sh_cfun_resbank_handler_p): New.
2437 * config/sh/sh.md (calli): Emit jsr/n if possible.
2438 (calli_tbr_rel): New.
2439 (calli_pcrel): Emit jsr/n if possible.
2440 (return_i): Emit rts/n if possible.
2441 (call_valuei_tbr_rel): New.
2442 (call_valuei_pcrel): Add condition for SH2A target.
2443 (call_value): Likewise.
2444 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2445 (sh2a_get_function_vector_number): Likewise.
2446 (sh2a_is_function_vector_call): Likewise.
2447 * doc/extend.texi: Document TBR relative addressing of SH2A.
2448 (resbank): Add description for SH2A.
2450 2008-03-24 Richard Guenther <rguenther@suse.de>
2453 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2454 pointer assignments change conversions according to middle-end rules.
2455 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2456 * configure.ac: Include type checking in yes.
2457 * configure: Regenerate.
2459 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2461 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2462 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2464 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2466 * gthr-vxworks.h (UNUSED): Define.
2468 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2470 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
2472 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2474 * doc/extend.texi (Function Attributes): Add missing comma in the
2475 example of the "alloc_size" attribute.
2477 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2480 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2482 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2485 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2488 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2489 of the underlying type of a MS bitfield layout to the natural
2490 alignment of the type.
2492 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2494 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2495 to their natural alignment to avoid store forwarding stalls.
2497 2008-03-22 Richard Guenther <rguenther@suse.de>
2499 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2500 For PHI nodes verify the address is invariant.
2501 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2502 (get_symbol_constant_value): Use is_gimple_min_invariant.
2503 (maybe_fold_stmt_indirect): Likewise.
2505 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2507 PR rtl-optimization/33927
2508 * Makefile.in (dse.o): Depend on $(TM_P_H).
2509 * expr.h (extract_low_bits): Declare.
2510 * expmed.c (extract_low_bits): New function.
2511 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2512 * dse.c: Include tm_p.h.
2513 (find_shift_sequence): Remove the read_reg argument and return the
2514 read value. Emit the instructions instead of returning them.
2515 Iterate on new_mode rather than calculating it each time.
2516 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2517 source to NEW_MODE and extract_low_bits to convert the shifted
2519 (replace_read): Allow the load and store to have different mode
2520 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2521 or extraction instructions before trying the replacement. Update
2522 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2524 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2526 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2527 to their natural alignment to avoid store forwarding stalls.
2529 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2532 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2533 encouraging but not allowing gprs for input;
2534 change the input constraint to !f#r.
2535 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2537 change the output constraint to !f#r.
2539 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2542 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2543 corresponding post-reload splitters.
2544 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2545 when x87 FP math is selected.
2546 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2547 New function prototype.
2548 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2549 unreachable function to ease macroization of insn patterns.
2551 2008-03-21 Martin Jambor <mjambor@suse.cz>
2553 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2554 reference dumps if ddr is NULL or dependence is unknown.
2556 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2558 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2559 unsigned extension into account.
2560 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2561 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2562 Do computations on a scratch register.
2564 2008-03-21 Richard Guenther <rguenther@suse.de>
2566 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2567 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2568 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2569 * tree-ssa-dom.c (record_equality): Likewise.
2570 * tree-inline.c (copy_body_r): Likewise.
2571 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2574 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2576 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2577 as 'delete_unused' argument.
2579 2008-03-20 Richard Guenther <rguenther@suse.de>
2581 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2582 special casing of constant qualifiers.
2583 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2584 care about them in general.
2585 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2586 regardless of their type.
2587 (fold_stmt_r): Forcefully fold *& if we end up with that.
2589 2008-03-20 Paul Brook <paul@codesourcery.com>
2591 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2592 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2594 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2596 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2597 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2599 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2601 * common.opt (Wmudflap): New option.
2602 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2603 (mx_register_decls): Likewise.
2604 (mudflap_finish_file): Likewise.
2605 * doc/invoke.texi: Document -Wno-mudflap.
2607 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2609 * c-format.c (replace_format_name_to_system_name): New.
2611 (convert_format_name_to_system_name): New.
2612 (decode_format_attr): Add use of convert_format_name_to_system_name.
2613 (format_types_orig): Add gnu_ prefix to names.
2614 (check_format_info_main): Special treating of \0 escaped names for
2615 supporting multi-character format specifiers as I32, I64.
2616 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2617 (gnu_target_overrides_format_attributes): New.
2618 * c-format.h: Add structure target_ovr_attr to hold
2619 system specific formatter names.
2620 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2621 msformat-c.o file to c_target_objs and cxx_target_objs.
2622 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2623 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2624 (TARGET_N_FORMAT_TYPES): New.
2625 * config/i386/msformat-c.c: New.
2626 * config/i386/t-cygming: Add build rule for msformat-c.o.
2627 * doc/extend.texi: Add new format names gnu_* and ms_* and
2629 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2631 2008-03-20 Ira Rosen <irar@il.ibm.com>
2633 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2634 optimizations turned on under -O3.
2635 (ftree-vectorize): Add that the flag is turned on with -O3.
2637 2008-03-20 Ben Elliston <bje@au.ibm.com>
2639 * regmove.c (try_auto_increment): Fix spelling error in comment.
2640 * final.c (final_scan_insn): Likewise.
2642 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2645 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2646 allocator preferences for "y" and "r" class registers.
2647 ("*mov<mode>_internal"): Ditto.
2648 ("*movv2sf_internal_rex64"): Ditto.
2649 ("*movv2sf_internal"): Ditto.
2651 2008-03-19 Michael Matz <matz@suse.de>
2654 * calls.c (expand_call): Check overlap of arguments with call
2655 address for sibcalls.
2657 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2660 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2661 of the underlying type of a MS bitfield layout to the natural
2662 alignment of the type.
2664 2008-03-19 Jan Hubicka <jh@suse.cz>
2667 * toplev.c (decode_d_option): Handle all CPP flags.
2668 * tree-vrp.c: Update tree_pass descriptors.
2669 * regrename.c: Update tree_pass descriptors.
2670 * fwprop.c: Update tree_pass descriptors.
2671 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2672 * tree-into-ssa.c: Update tree_pass descriptors.
2673 * tree-dump.c: Update tree_pass descriptors.
2674 * tree-complex.c: Update tree_pass descriptors.
2675 * tree-dump.h: Update tree_pass descriptors.
2676 * see.c: Update tree_pass descriptors.
2677 * cgraphbuild.c: Update tree_pass descriptors.
2678 * tracer.c: Update tree_pass descriptors.
2679 * tree-loop-distribution.c: Update tree_pass descriptors.
2680 * cgraph.c: Update tree_pass descriptors.
2681 * postreload-gcse.c: Update tree_pass descriptors.
2682 * postreload.c: Update tree_pass descriptors.
2683 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2684 * tree-tailcall.c: Update tree_pass descriptors.
2685 * tree-pass.h (tree_opt_pass): Rename to ...
2686 (opt_pass) ... this one; add "type" field and remove letter field.
2687 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2688 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2689 all_lowering_passes): Update declaration.
2690 * ipa-cp.c: Update tree_pass descriptors.
2691 * final.c: Update tree_pass descriptors.
2692 * omp-low.c: Update tree_pass descriptors.
2693 * tree-ssa-dse.c: Update tree_pass descriptors.
2694 * ipa-reference.c: Update tree_pass descriptors.
2695 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2696 * auto-inc-dec.c: Update tree_pass descriptors.
2697 * reorg.c: Update tree_pass descriptors.
2698 * cgraphunit.c: Update tree_pass descriptors.
2699 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2700 * tree-ssa-ccp.c: Update tree_pass descriptors.
2701 * df-core.c: Update tree_pass descriptors.
2702 * mode-switching.c: Update tree_pass descriptors.
2703 * tree-nomudflap.c: Update tree_pass descriptors.
2704 * modulo-sched.c: Update tree_pass descriptors.
2705 * ipa-pure-const.c: Update tree_pass descriptors.
2706 * cse.c: Update tree_pass descriptors.
2707 * web.c: Update tree_pass descriptors.
2708 * tree-stdarg.c: Update tree_pass descriptors.
2709 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2710 * tree-ssa-dom.c: Update tree_pass descriptors.
2711 * tree-nrv.c: Update tree_pass descriptors.
2712 * tree-ssa-alias.c: Update tree_pass descriptors.
2713 * loop-init.c: Update tree_pass descriptors.
2714 * gimple-low.c: Update tree_pass descriptors.
2715 * ipa-inline.c: Update tree_pass descriptors.
2716 * tree-ssa-sink.c: Update tree_pass descriptors.
2717 * global.c: Update tree_pass descriptors.
2718 * ifcvt.c: Update tree_pass descriptors.
2719 * jump.c: Update tree_pass descriptors.
2720 * predict.c: Update tree_pass descriptors.
2721 * tree-ssa-loop.c: Update tree_pass descriptors.
2722 * recog.c: Update tree_pass descriptors.
2723 * dse.c: Update tree_pass descriptors.
2724 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2725 * tree-eh.c: Update tree_pass descriptors.
2726 * regmove.c: Update tree_pass descriptors.
2728 * function.c: Update tree_pass descriptors.
2729 * tree-vectorizer.c: Update tree_pass descriptors.
2730 * gcse.c: Update tree_pass descriptors.
2731 * ipa-type-escape.c: Update tree_pass descriptors.
2732 * tree-if-conv.c: Update tree_pass descriptors.
2733 * init-regs.c: Update tree_pass descriptors.
2734 * ipa.c: Update tree_pass descriptors.
2735 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2736 * rtl-factoring.c: Update tree_pass descriptors.
2737 * lower-subreg.c: Update tree_pass descriptors.
2738 * bt-load.c: Update tree_pass descriptors.
2739 * tree-dfa.c: Update tree_pass descriptors.
2740 * except.c: Update tree_pass descriptors.
2741 * emit-rtl.c: Update tree_pass descriptors.
2742 * cfgexpand.c: Update tree_pass descriptors.
2743 * tree-cfgcleanup.c: Update tree_pass descriptors.
2744 * cfgcleanup.c: Update tree_pass descriptors.
2745 * tree-ssa-pre.c: Update tree_pass descriptors.
2746 * tree-sra.c: Update tree_pass descriptors.
2747 * tree-mudflap.c: Update tree_pass descriptors.
2748 * tree-ssa-copy.c: Update tree_pass descriptors.
2749 * cfglayout.c: Update tree_pass descriptors.
2750 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2751 * tree-ssa-dce.c: Update tree_pass descriptors.
2752 * tree-ssa.c: Update tree_pass descriptors.
2753 * regclass.c: Update tree_pass descriptors.
2754 * integrate.c: Update tree_pass descriptors.
2755 * tree-optimize.c: Update tree_pass descriptors.
2756 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2757 * tree-object-size.c: Update tree_pass descriptors.
2758 * combine.c: Update tree_pass descriptors.
2759 * tree-outof-ssa.c: Update tree_pass descriptors.
2760 * bb-reorder.c: Update tree_pass descriptors.
2761 * stack-ptr-mod.c: Update tree_pass descriptors.
2762 * var-tracking.c: Update tree_pass descriptors.
2763 * tree-profile.c: Update tree_pass descriptors.
2764 * tree-vect-generic.c: Update tree_pass descriptors.
2765 * reg-stack.c: Update tree_pass descriptors.
2766 * sched-rgn.c: Update tree_pass descriptors.
2767 * tree-ssa-structalias.c: Update tree_pass descriptors.
2768 * tree-cfg.c: Update tree_pass descriptors.
2769 * passes.c (current_pass): Update declaration.
2770 (finish_optimization_passes): Update.
2771 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2772 (register_one_dump_file, register_dump_files_1, next_pass_1):
2774 (init_optimization_passes): Update handling of new types.
2775 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2776 * ipa-struct-reorg.c: Update tree_pass descriptors.
2777 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2778 * combine-stack-adj.c: Update tree_pass descriptors.
2779 * cfgrtl.c: Update tree_pass descriptors.
2780 * dce.c: Update tree_pass descriptors.
2781 * tree-ssanames.c: Update tree_pass descriptors.
2783 2008-03-19 Richard Guenther <rguenther@suse.de>
2786 * tree-ssa.c (walk_data): New structure.
2787 (warn_uninitialized_var): If not always_executed warn with "maybe"
2789 (execute_early_warn_uninitialized): Compute post-dominators.
2790 Initialize always_executed before processing each basic block.
2792 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2795 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2796 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2798 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2800 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2802 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2804 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2806 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2807 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2808 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2809 target after ignore has been set, and move there also the commputation
2810 of subtarget and original_target.
2811 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2812 (LANG_HOOKS_INITIALIZER): Remove it.
2813 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2815 2008-03-18 Richard Guenther <rguenther@suse.de>
2817 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2818 found an expression with constants, note that in the VN for the lhs.
2819 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2820 fold them to constants if possible. Run cleanup_cfg if done so.
2821 (execute_pre): Return todo.
2823 (execute_fre): Likewise.
2824 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2826 (get_prop_source_stmt): Look through pointer conversions.
2828 2008-03-18 Jan Hubicka <jh@suse.cz>
2830 * tree-pretty-print.c: Include predict.h.
2831 (dump_generic_node): Dump predictor.
2832 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2833 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2834 * gimple-low.c (lower_stmt): Likewise.
2835 * expr.c (expand_expr_real): Likewise.
2836 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2838 (build_predict_expr, build_predict_expr): New.
2839 * predict.h (predictor_name, build_predict_expr): Update.
2840 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2841 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2842 * predict.def (PRED_CONTINUE): Update hitrate.
2843 * tree.def (PREDICT_EXPR): Define.
2844 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2845 do not handle BIND_EXPR.
2846 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2847 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2848 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2851 2008-03-18 Michael Matz <matz@suse.de>
2853 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2855 2008-03-18 Richard Guenther <rguenther@suse.de>
2857 * tree-gimple.h (is_gimple_invariant_address): Declare.
2858 (is_gimple_constant): Likewise.
2859 * tree-gimple.c (is_gimple_constant): New function.
2860 (is_gimple_invariant_address): Likewise.
2861 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2862 and is_gimple_invariant_address.
2863 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2865 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2866 an addressable base.
2868 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2871 * gimplify.c (gimplify_expr): Gimplify second operand of
2874 2008-03-17 Richard Guenther <rguenther@suse.de>
2876 PR tree-optimization/19637
2877 * fold-const.c (fold_unary): Remove restrictions of removing
2878 intermediate pointer-conversions (P2)(P1)P0.
2879 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2880 conversion to void pointer.
2881 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2883 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2886 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2887 emulated thread local variables.
2889 2008-03-16 Richard Guenther <rguenther@suse.de>
2892 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2893 expand TREE_INVARIANT operations that are not gimple invariant.
2895 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2897 * doc/extend.texi (Alignment): Say that the ABI controls
2898 the __alignof__ for non-strict-alignment targets rather
2899 than being a recommendation.
2901 2008-03-15 Paul Brook <paul@codesourcery.com>
2903 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2905 (arm_output_fn_unwind): Mark functions that can not be unwound.
2907 2008-03-15 Paul Brook <paul@codesourcery.com>
2909 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2910 extension instructions.
2912 2008-03-15 Richard Guenther <rguenther@suse.de>
2914 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2915 and fold constant aggregate refs.
2916 (fold_const_aggregate_ref): Handle string constants
2917 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2918 (evaluate_stmt): Simplify now that ccp_fold folds constant
2921 2008-03-15 Paul Brook <paul@codesourcery.com>
2923 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2924 (extzv): Use gen_extzv_t2.
2925 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2927 2008-03-15 Richard Guenther <rguenther@suse.de>
2929 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2930 (fold_const_aggregate_ref): Likewise.
2931 (get_value): Return NULL if we don't have any values.
2932 (ccp_finalize): Set const_val to NULL after freeing it.
2933 * tree-flow.h (get_symbol_constant_value): Declare.
2934 (fold_const_aggregate_ref): Likewise.
2935 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2937 2008-03-15 Richard Guenther <rguenther@suse.de>
2940 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2941 to not produce negative array indices if not allowed. Add
2942 parameter to indicate that.
2943 (maybe_fold_offset_to_component_ref): Allow negative array
2944 indices only for the first member of a structure.
2945 (maybe_fold_offset_to_reference): Allow negative array indices.
2946 (maybe_fold_stmt_addition): Likewise.
2948 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2949 Anatoly Sokolov <aesok@post.ru>
2951 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
2952 (avr_arch): Add ARCH_AVR6.
2953 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2954 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2955 instead of fixed value 2.
2956 (print_operand_address): Use gs() asm specifier instead of pm().
2957 (avr_assemble_integer): (Ditto.).
2958 (avr_output_addr_vec_elt): (Ditto.).
2959 (print_operand): Handle "!" code.
2960 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2961 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2962 (AVR_HAVE_EIJMP_EICALL): Define.
2963 (AVR_3_BYTE_PC): Redefine.
2964 (AVR_2_BYTE_PC): (Ditto.).
2965 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2966 (LINK_SPEC): Add atmega2560 and atmega2561.
2967 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2969 * config/avr/avr.md (call_insn): Use eicall instead of icall
2970 for 3 byte PC devices.
2971 (call_value_insn): (Ditto.).
2972 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2973 (indirect_jump): Use only for for 2 byte PC devices.
2974 (*tablejump): (Ditto.).
2975 (*indirect_jump_avr6): Add insn.
2976 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2977 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
2978 instead of ijmp for 3 byte PC devices.
2979 (__tablejump2__): (Ditto.).
2980 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2981 (MULITLIB_DIRNAMES): (Ditto.).
2982 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2984 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2986 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2987 "sse2_umulsidi3". Use V1DI mode for operand 0.
2988 ("mmx_psadbw"): Use V1DI mode for operand 0.
2989 * config/i386/i386-modes.def (V1SI): New vector mode.
2990 * config/i386/i386.c (struct builtin_description)
2991 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2992 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2993 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2994 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2995 v1di_ftype_v8qi_v8qi type.
2996 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2998 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2999 __builtin_ia32_pmuludq]: Fix the mode of return value.
3001 2008-03-15 Richard Guenther <rguenther@suse.de>
3004 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3007 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3009 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3010 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3011 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3012 unless TARGET_SERIALIZE_VOLATILE is enabled.
3013 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3014 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3015 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3017 2008-03-14 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/34172
3020 * tree-flow.h (refs_may_alias_p): Declare.
3021 (get_single_def_stmt): Likewise.
3022 (get_single_def_stmt_from_phi): Likewise.
3023 (get_single_def_stmt_with_phi): Likewise.
3024 * tree-dfa.c (refs_may_alias_p): New function.
3025 (get_single_def_stmt): Likewise.
3026 (get_single_def_stmt_from_phi): Likewise.
3027 (get_single_def_stmt_with_phi): Likewise.
3028 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3029 (vn_reference_lookup_1): New helper function.
3030 (vn_reference_lookup): Walk the virtual use-def chain to
3031 continue searching for a match if the def does not alias the
3032 reference we are looking for.
3034 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3036 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3037 archive and Perzl. Update The Written Word listing.
3039 2008-03-14 Richard Guenther <rguenther@suse.de>
3041 PR tree-optimization/34043
3042 PR tree-optimization/33989
3043 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3045 (bitmap_find_leader): Use extra argument to verify dominance
3046 relationship inside a basic-block.
3047 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3048 (find_leader_in_sets): Adjust.
3049 (create_component_ref_by_pieces): Take extra argument for
3050 dominance check, handle lookup failures.
3051 (find_or_generate_expression): Likewise.
3052 (create_expression_by_pieces): Likewise.
3053 (insert_into_preds_of_block): Adjust.
3054 (create_value_expr_from): If asked for, verify all operands
3055 are in the blocks AVAIL_OUT set.
3056 (make_values_for_stmt): Check for SSA_NAMEs that are life
3057 over an abnormal edge.
3058 (compute_avail): Remove such check.
3059 (do_SCCVN_insertion): New function.
3060 (eliminate): If we do not find a leader suitable for replacement
3061 insert a replacement expression from SCCVN if available.
3062 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3063 (struct vn_ssa_aux): Add needs_insertion flag.
3064 * tree-ssa-sccvn.c (may_insert): New global flag.
3065 (copy_reference_ops_from_ref): Value-number union member access
3066 based on its size, not type and member if insertion is allowed.
3067 (visit_reference_op_load): For a weak match from union type
3068 punning lookup a view-converted value and insert a SSA_NAME
3069 for that value if that is not found.
3070 (visit_use): Make dumps shorter. Do not disallow value numbering
3071 SSA_NAMEs that are life over an abnormal edge to constants.
3072 (free_scc_vn): Release inserted SSA_NAMEs.
3073 (run_scc_vn): New flag to specify whether insertion is allowed.
3074 Process SSA_NAMEs in forward order.
3075 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3076 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3077 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3078 pointer type to/from integral types that do not change the
3079 precision to regular conversions.
3081 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3083 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3084 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3085 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3086 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3087 input arguments and the mode of return value. Built-in functions
3088 that operate on whole 64-bit MMX register now use V1DI mode.
3090 2008-03-13 Alon Dayan <alond@il.ibm.com>
3091 Olga Golovanevsky <olga@il.ibm.com>
3093 PR tree-optimization/35041
3094 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3095 to locate the right position in a statement.
3097 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3101 * config/i386/xmmintrin.h: Change all static inline functions to
3102 extern inline and add __gnu_inline__ attribute.
3103 * config/i386/bmintrin.h: Ditto.
3104 * config/i386/smmintrin.h: Ditto.
3105 * config/i386/tmmintrin.h: Ditto.
3106 * config/i386/mmintrin-common.h: Ditto.
3107 * config/i386/ammintrin.h: Ditto.
3108 * config/i386/emmintrin.h: Ditto.
3109 * config/i386/pmmintrin.h: Ditto.
3110 * config/i386/mmintrin.h: Ditto.
3111 * config/i386/mm3dnow.h: Ditto.
3113 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3116 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3117 (lower_omp_2): New function.
3118 (lower_omp_1, lower_omp): Rewritten.
3120 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3123 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3124 with the phrase "Microsoft Windows compilers".
3125 (Push/Pop Macro Pragmas): New subsection. Document
3126 #pragma push_macro and pragma pop_macro.
3128 2008-03-12 Paul Brook <paul@codesourcery.com>
3130 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3132 2008-03-12 Paul Brook <paul@codesourcery.com>
3134 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3135 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3136 (thumb2_addsi_shortim): Rename ...
3137 (thumb2_addsi_short): ... to this. Allow register operands.
3138 (thumb2_subsi_short): New pattern.
3139 (thumb2_one_cmplsi2_short,
3140 thumb2_negsi2_short): New patterns and peepholes.
3142 2008-03-12 Paul Brook <paul@codesourcery.com>
3144 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3146 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3148 * config/i386/i386.md (int_cond): New code iterator.
3150 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3151 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3152 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3153 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3154 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3155 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3156 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3157 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3159 2008-03-12 Paul Brook <paul@codesourcery.com>
3161 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3162 instead of {arm,thumb}_compute_save_reg_mask.
3163 (output_return_instruction): Ditto.
3164 (thumb_unexpanded_epilogue): Ditto.
3165 (thumb1_expand_prologue): Ditto.
3166 (thumb1_output_function_prologue): Ditto.
3167 (arm_set_return_address): Ditto.
3168 (thumb_set_return_address): Ditto.
3169 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3170 regs to achieve stack alignment.
3171 (thumb1_compute_save_reg_mask): Fix compiler warning.
3172 (arm_output_epilogue): Use offsets->saved_regs_mask.
3173 Adjust stack pointer by poping call clobered registers.
3174 (arm_expand_prologue): Use offsets->saved_regs_mask.
3175 Adjust stack pointer by pushing extra registers.
3176 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3178 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3181 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3182 conversion to the operands of a multiplication.
3184 2008-03-12 Richard Guenther <rguenther@suse.de>
3186 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3187 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3188 * timevar.def (TV_TREE_PHIPROP): Add.
3189 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3190 pass description. Use TV_TREE_PHIPROP.
3191 * tree-ssa-forwprop.c: Remove phiprop code.
3193 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3196 * omp-low.c (maybe_lookup_decl): Constify first argument.
3197 (use_pointer_for_field): Change last argument from bool to
3198 omp_context *. Disallow shared copy-in/out in nested
3199 parallel if decl is shared in outer parallel too.
3200 (build_outer_var_ref, scan_sharing_clauses,
3201 lower_rec_input_clauses, lower_copyprivate_clauses,
3202 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3204 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3205 Ira Rosen <irar@il.ibm.com>
3207 * tree-vectorizer.c (free_stmt_vec_info): New function.
3208 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3209 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3210 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3211 * tree-vect-transform.c (vectorizable_conversion): Free
3212 vec_oprnds0 if it was allocated.
3213 (vect_permute_store_chain): Remove unused VECs.
3214 (vectorizable_store): Free VECs that are allocated in the..
3216 (vect_transform_strided_load, vectorizable_load): Likewise.
3217 (vect_remove_stores): Simplify the code.
3218 (vect_transform_loop): Move code to vect_remove_stores().
3219 Call vect_remove_stores() and free_stmt_vec_info().
3221 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3223 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3224 TARGET_HPUX. Revise comment.
3225 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3226 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3227 Use sr4 variant of `be' instruction when not generating PIC code.
3228 (attr_length_call): Adjust for above change.
3230 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3232 * ipa-reference.c (static_execute): Remove module_statics_const and
3233 associated setting code.
3235 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3238 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3239 predicate for operand 1.
3240 (paritysi2_cmp): Use register_operand predicate for operand 2.
3241 Use earlyclobber modifier for operand 1. Remove support for
3243 (paritydi2_cmp): Use register_operand predicate for operand 3.
3244 Use earlyclobber modifier for operand 1. Remove support for
3247 2008-03-11 Paul Brook <paul@codesourcery.com>
3248 Vladimir Prus <vladimir@codesourcery.com>
3250 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3251 (arm_compute_save_reg0_reg12_mask): Always
3252 check if register 11 must be saved. Always safe hard frame pointer
3253 when frame_pointer_needeed.
3254 (arm_compute_save_reg_mask): Save IP and PC
3255 only with apcs frames.
3256 (arm_output_epilogue): Adjust Thumb2 codepath to
3257 be also invoked and work for ARM non-apcs frames.
3258 (arm_expand_prologue): Don't bother saving IP
3259 for non-apcs frame, since it's not clobbered by
3260 prologue code. Implement non-apcs frame
3263 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3265 PR rtl-optimization/35281
3266 * expr.c (convert_move): Use a new pseudo for the intermediate
3267 from_mode->word_mode result.
3269 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3271 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3272 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3273 * toplev.c (compile_file): Don't call it.
3275 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3278 * expr.c (store_expr): Call emit_block_move if the mode
3279 of "temp" RTX is BLKmode.
3281 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3282 Richard Guenther <rguenther@suse.de>
3284 PR tree-optimization/31358
3285 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3286 the step with a NULL_TREE.
3287 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3288 to sizetype if type is a pointer type.
3289 (add_candidate_1): Don't convert the base and step to
3290 the generic type if the orginal type is a pointer type.
3291 (add_iv_value_candidates): Use sizetype for the step
3292 if type is a pointer type.
3293 (cand_value_at): Likewise.
3294 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3296 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3297 Don't convert the tem affine to the type.
3298 (add_elt_to_tree): Use sizetype for the step if a pointer.
3299 Use POINTER_PLUS_EXPR for pointers.
3300 (aff_combination_to_tree): Use sizetype for the step if a
3303 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3305 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3306 Remove commutativity hint.
3308 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3312 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3313 errorneous type. Check that v is a VAR_DECL.
3316 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3318 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3320 PR tree-optimization/35494
3321 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3322 may be overriden at link and run time.
3324 2008-03-10 Richard Guenther <rguenther@suse.de>
3326 PR tree-optimization/34677
3327 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3328 (poolify_tree): Likewise.
3329 (modify_expr_template): Likewise.
3330 (poolify_modify_stmt): Likewise.
3331 (insert_fake_stores): Handle all component-ref style stores
3332 in addition to INDIRECT_REF. Also handle complex types.
3333 Do not poolify the inserted load.
3334 (realify_fake_stores): Do not rebuild the tree but only
3335 make it a SSA_NAME copy.
3336 (init_pre): Remove initialzation of modify_expr_template.
3337 Do not allocate modify_expr_node_pool.
3338 (fini_pre): Do not free modify_expr_node_pool.
3340 2008-03-10 Paul Brook <paul@codesourcery.com>
3342 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3345 2008-03-10 Paul Brook <paul@codesourcery.com>
3346 Mark Shinwell <shinwell@codesourcery.com>
3348 * config/arm/cortex-r4.md: New.
3349 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3351 * config/arm/arm.md: Include cortex-r4.md.
3352 (insn): Add smmls, sdiv and udiv values.
3353 (generic_sched): Don't use generic scheduling for Cortex-R4.
3354 (arm_issue_rate): New function.
3355 (TARGET_SCHED_ISSUE_RATE): Define.
3357 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3359 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3361 2008-03-10 Richard Guenther <rguenther@suse.de>
3363 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3364 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3366 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3368 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3369 Set default to true.
3371 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3373 * c.opt (Wsynth): Deprecate.
3374 * doc/invoke.texi (Option Summary, Warning Options): Document
3375 -Wno-format-contains-nul.
3377 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3380 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3381 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3383 2008-03-09 Ira Rosen <irar@il.ibm.com>
3385 * config/rs6000/rs6000.c (builtin_description): Rename vector
3386 left shift operations.
3387 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3388 (altivec_vsl<VI_char>): Rename to ...
3389 (ashl<mode>3): ... new name.
3390 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3392 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3394 2008-03-08 Richard Guenther <rguenther@suse.de>
3396 * coverage.h (tree_coverage_counter_addr): Declare.
3397 * coverage.c (tree_coverage_counter_addr): New function.
3398 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3400 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3401 (tree_gen_one_value_profiler): Likewise.
3402 (tree_gen_ic_profiler): Likewise.
3403 (tree_gen_average_profiler): Likewise.
3404 (tree_gen_ior_profiler): Likewise.
3406 2008-03-08 Richard Guenther <rguenther@suse.de>
3408 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3409 (vn_binary_op_insert): Likewise.
3410 (vn_unary_op_lookup): Likewise.
3411 (vn_unary_op_insert): Likewise.
3412 (vn_nary_op_lookup): Declare.
3413 (vn_nary_op_insert): Likewise.
3414 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3415 and binary hashes, use a single obstack for unary_op_pool
3417 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3418 a single struct vn_nary_op_s. Store tree code length and
3419 a variable number of operands.
3420 (struct vn_reference_op_struct): Remove unused op2.
3421 (vn_reference_op_eq): Do not compare op2.
3422 (vn_reference_op_compute_hash): Do not compute hash of op2.
3423 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3424 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3425 with vn_nary_op_compute_hash.
3426 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3427 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3429 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3431 (visit_unary_op): Call nary functions.
3432 (visit_binary_op): Likewise.
3433 (process_scc): Adjust for struct vn_tables_s changes.
3434 (allocate_vn_table): Likewise.
3435 (free_vn_table): Likewise.
3436 * tree-vn.c (vn_add): Call nary functions.
3437 (vn_lookup): Likewise.
3439 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3442 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3443 wdst back after sync_compare_and_swapqhi_internal.
3445 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3448 * config/i386/i386-modes.def (V1DI): New vector mode.
3449 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3450 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3451 (MMXMODE248): Ditto.
3452 (MMXMODE): Add V1DI mode.
3453 (mmxvecsize): Change DI mode to V1DI mode.
3454 ("mov<mode>): Use MMXMODEI8 mode iterator.
3455 ("*mov<mode>_internal_rex64"): Ditto.
3456 ("*mov<mode>_internal"): Ditto.
3457 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3458 ("mmx_sub<mode>3"): Ditto.
3459 ("mmx_adddi3"): Remove insn pattern.
3460 ("mmx_subdi3"): Ditto.
3461 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3462 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3463 ("mmx_ashl<mode>3"): Ditto.
3464 ("mmx_lshrdi3"): Remove insn pattern.
3465 ("mmx_ashldi3"): Ditto.
3466 * config/i386/i386.c (classify_argument): Handle V1DImode.
3467 (function_arg_advance_32): Ditto.
3468 (function_arg_32): Ditto.
3469 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3470 mmx_addv1di3 insn pattern.
3471 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3472 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3473 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3474 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3475 Remove definitions of built-in functions.
3476 (V1DI_type_node): New node.
3477 (v1di_ftype_v1di_int): Ditto.
3478 (v1di_ftype_v1di_v1di): Ditto.
3479 (v2si_ftype_v2si_si): Ditto.
3480 (v4hi_ftype_v4hi_di): Remove node.
3481 (v2si_ftype_v2si_di): Ditto.
3482 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3483 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3484 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3485 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3486 Add new builtins using def_builtin_const.
3487 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3488 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3489 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3490 * config/i386/mmintrin.h (__v1di): New typedef.
3491 (_mm_add_si64): Cast arguments to __v1di type.
3492 (_mm_sub_si64): Ditto.
3493 (_mm_sll_pi16): Cast __count to __v4hi type.
3494 (_mm_sll_pi32): Cast __count to __v2si type.
3495 (_mm_sll_si64): Cast arguments to __v1di type.
3496 (_mm_srl_pi16): Cast __count to __v4hi type.
3497 (_mm_srl_pi32): Cast __count to __v2si type.
3498 (_mm_srl_si64): Cast arguments to __v1di type.
3499 (_mm_sra_pi16): Cast __count to __v4hi type.
3500 (_mm_sra_pi32): Cast __count to __v2si type.
3501 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3502 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3503 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3504 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3505 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3506 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3507 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3508 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3509 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3510 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3511 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3512 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3514 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3516 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3518 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3521 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3522 reg+const addressing for Altivec modes. Don't generate reg+reg
3523 addressing for TFmode or TDmode quantities.
3525 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3527 * c-common.c (vector_types_convertible_p): Call langhook
3528 instead of comptypes.
3530 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3533 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3534 integral and scalar float variables which have a
3537 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3539 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3540 dwarf_register_span hook when emitting unwind information for
3541 register-to-memory saves.
3542 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3543 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3545 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3547 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3548 for the same VAR_DECL.
3550 2008-03-06 Tom Tromey <tromey@redhat.com>
3553 * doc/standards.texi (Standards): Don't mention treelang.
3554 * doc/invoke.texi (Overall Options): Don't mention treelang.
3555 * doc/install.texi (Prerequisites): Don't mention bison or
3557 (Configuration): Don't mention treelang.
3558 (Building): Likewise.
3559 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3561 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3563 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3564 word-extractions out of a multi-word object.
3566 2008-03-06 Richard Guenther <rguenther@suse.de>
3568 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3569 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3570 result type and precision.
3571 * expr.c (get_inner_reference): Set unsignedp based on the result
3572 type of BIT_FIELD_REF.
3573 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3574 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3575 (try_instantiate_multiple_fields): Likewise. Use the correct type
3577 (sra_build_assignment): Likewise.
3578 (sra_build_elt_assignment): Likewise.
3579 (sra_explode_bitfield_assignment): Likewise.
3580 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3581 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3582 set BIT_FIELD_REF_UNSIGNED.
3583 (vectorizable_load): Likewise.
3585 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3587 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3590 2008-03-06 Richard Guenther <rguenther@suse.de>
3592 * alias.c (struct alias_set_entry): Move has_zero_child field
3593 to pack with alias_set.
3595 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3597 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3600 2008-03-05 Ian Lance Taylor <iant@google.com>
3602 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3604 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3606 * fwprop.c (update_df): Support width and offset parameters of
3608 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3609 global_conflicts): Change DF_REF_EXTRACT to either
3610 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3611 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3612 * df-scan.c (df_ref_record, df_defs_record,
3613 df_ref_create_structure, df_def_record_1, df_uses_record,
3614 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3615 df_bb_refs_collect, df_entry_block_defs_collect,
3616 df_exit_block_uses_collect): Support new width and offset fields.
3617 (ref_extract_pool): New storage pool.
3618 (df_free_ref): New function.
3619 (df_reg_chain_unlink, df_free_collection_rec,
3620 df_sort_and_compress_refs): Call df_free_ref.
3621 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3623 (df_ref_create_structure): Allocate df_ref_extract if offset and
3624 width fields are used.
3625 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3626 (df_uses_record): Get offset and width from ZERO_EXTRACT
3628 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3629 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3630 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3631 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3632 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3633 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3634 (df_ref_extract): New structure.
3635 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3636 (df_ref_create): Add width and offset parameters.
3638 2008-03-05 Richard Guenther <rguenther@suse.de>
3640 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3641 Use ranges_overlap_p.
3642 (offset_overlaps_with_access): Rename
3643 to ranges_overlap_p and move ...
3644 * tree-flow-inline.h (ranges_overlap_p): ... here.
3646 * tree.h (get_inner_reference, handled_component_p): Update
3649 * tree.h (record_component_aliases, get_alias_set,
3650 alias_sets_conflict_p, alias_sets_must_conflict_p,
3651 objects_must_conflict_p): Move declarations ...
3652 * alias.h (record_component_aliases, get_alias_set,
3653 alias_sets_conflict_p, alias_sets_must_conflict_p,
3654 objects_must_conflict_p): ... here.
3655 Include coretypes.h.
3656 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3658 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3660 * cfg.c: Include tree-flow.h.
3661 (remove_edge_raw): Call redirect_edge_var_map_clear.
3662 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3663 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3664 (redirect_edge_var_map_result): New.
3665 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3666 PENDING_STMT use with redirect_edge_var_map_*.
3667 * tree-ssa.c (edge_var_maps): New definition.
3668 (redirect_edge_var_map_add): New.
3669 (redirect_edge_var_map_clear): New.
3670 (redirect_edge_var_map_dup): New.
3671 (redirect_edge_var_map_vector): New.
3672 (redirect_edge_var_map_destroy): New.
3673 (ssa_redirect_edge): Replace PENDING_STMT use with
3674 redirect_edge_var_map_*.
3675 (flush_pending_stmts): Same.
3676 (delete_tree_ssa): Destroy edge var map.
3677 * tree-flow.h (struct _edge_var_map): New.
3678 Define edge_var_map vector type.
3679 Declare redirect_edge_var_map_* prototypes.
3680 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3681 * tree-cfg.c (reinstall_phi_args): Replace
3682 PENDING_STMT use with redirect_edge_var_map_*.
3684 2008-03-05 Richard Guenther <rguenther@suse.de>
3686 PR tree-optimization/35472
3687 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3688 whose single use_stmt has a overlapping set of loaded and
3689 stored symbols as that use_stmt might be a noop assignment then.
3691 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3693 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3695 2008-03-05 Richard Guenther <rguenther@suse.de>
3698 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3699 should be constants.
3700 * tree-cfg.c (verify_expr): Verify it.
3701 * fold-const.c (fold_truthop): Remove code generating
3702 BIT_FIELD_REFs of structure bases.
3703 (fold_binary): Likewise.
3704 (fold_ternary): Position and size of BIT_FIELD_REFs are
3705 always host integers.
3706 (make_bit_field_ref): Remove.
3707 (optimize_bit_field_compare): Remove.
3708 (all_ones_mask_p): Remove.
3710 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3713 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3714 (split_block_and_df_analyze): New. Split basic block and rebuild
3716 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3718 (split_pattern_seq): Likewise.
3719 (erase_matching_seqs): Likewise.
3720 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3722 2008-03-04 Geoff Keating <geoffk@apple.com>
3724 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3725 declaration and code.
3726 (tree_invalid_nonnegative_warnv_p): Likewise.
3728 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3730 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3731 examples. Truncate option-names then causing overfull hbox.
3733 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3736 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3738 * configure: Rebuilt.
3740 2008-03-04 Rafael Espindola <espindola@google.com>
3742 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3743 (tree_unary_nonnegative_warnv_p): New.
3744 (tree_binary_nonnegative_warnv_p): New.
3745 (tree_single_nonnegative_warnv_p): New.
3746 (tree_invalid_nonnegative_warnv_p): New.
3747 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3749 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3752 * opts.c (handle_option): Postpone 'unknown option' errors only for
3755 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3758 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3761 2008-03-04 Rafael Espindola <espindola@google.com>
3763 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3764 (tree_binary_nonzero_warnv_p): New.
3765 (tree_single_nonzero_warnv_p): New.
3766 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3768 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3771 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3772 transformations for modes that have signed zeros.
3773 * ifcvt.c (noce_try_abs): Ditto.
3775 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3777 * config/i386/i386.c (override_options): Force
3778 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3780 2008-03-04 Jan Hubicka <jh@suse.cz>
3783 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3786 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3788 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3789 label to probe the stack.
3791 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3793 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3794 (__gthr_win32_mutex_destroy): Declare.
3795 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3796 __gthr_win32_mutex_destroy.
3797 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3799 2008-03-03 Jan Hubicka <jh@suse.cz>
3802 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3803 aggressive on inlining cold calls.
3805 2008-03-03 Richard Guenther <rguenther@suse.de>
3807 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3808 struct copies into the expression table.
3809 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3810 (try_to_simplify): Likewise.
3811 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3812 integral and pointer arguments which do not change the
3813 precision to NOP_EXPRs.
3814 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3815 VIEW_CONVERT_EXPR case.
3817 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3819 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3820 defined in a loop at depth 0 is invariant.
3821 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3822 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3823 be called at loop depth 0.
3825 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3828 * gcc.c (process_command): Update copyright notice dates.
3829 * gcov.c (print_version): Likewise.
3830 * gcov-dump.c (print_version): Likewise.
3831 * mips-tfile.c (main): Likewise.
3832 * mips-tdump.c (main): Likewise.
3834 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3837 * c-common.c (flag_permissive): Delete.
3838 (constant_expression_warnings): Check flags first.
3839 (constant_expression_error): New.
3840 * c-common.h (flag_permissive): Delete.
3841 (constant_expression_error): Declare.
3842 * flags.h (flag_permissive): Declare. Update description.
3843 * diagnostic.c (pedwarn): Update.
3845 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3846 (permissive_error_kind): New.
3847 * toplev.c (flag_permissive): Define. Update description.
3848 * toplev.h (permissive_error_kind): Declare.
3849 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3850 (pedwarn_c90): Use pedantic_warning_kind.
3851 * c-opts.c (c_common_post_options): flag_permissive does not affect
3852 flag_pedantic_errors.
3854 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3856 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3857 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3858 __absvsi2, __absvDI2): Use unsigned arithmetic.
3860 2008-03-02 Andi Kleen <ak@suse.de>
3861 Richard Guenther <rguenther@suse.de>
3863 * struct-equiv.c: Remove file.
3864 * cfg_cleanup.c (condjump_equiv_p): Remove.
3865 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3866 (struct-equiv.o): Remove rule.
3867 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3868 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3869 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3871 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3873 * ifcvt.c (noce_process_if_block): Try to handle only the then
3874 block if the else block exists but isn't suitable.
3876 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3879 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3880 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3881 regression from previous patch.
3883 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3886 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3888 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3889 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3890 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3891 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3892 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3893 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3894 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3895 (__gthread_mutex_destroy_function): Rename to
3896 __gthread_mutex_destroy.
3897 * gthr-dce.h (__gthread_mutex_destroy): Call
3898 pthread_mutex_destroy.
3899 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3900 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3901 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3903 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3905 * df-scan.c (df_ref_chain_change_bb): Simplify.
3906 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3907 set_block_for_insn if there's any change.
3908 * df.h ((df_insn_change_bb): Fix prototype.
3909 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3910 df_insn_change_bb, don't call set_block_for_insn.
3911 * emit-rtl.c (reorder_insns): Likewise.
3912 * haifa-sched.c (move_insn): Likewise.
3914 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3916 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3918 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3920 * tree-flow-inline.h (next_readonly_imm_use): Return
3921 NULL_USE_OPERAND_P after the end.
3923 2008-03-01 Richard Guenther <rguenther@suse.de>
3925 PR tree-optimization/35411
3926 * tree-sra.c (sra_build_assignment): Split conversion to
3927 final type to a separate statement if we are not assigning
3930 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3932 * fold-const.c (fold_convertible_p): Correct the logic to follow
3933 that in fold_convert().
3935 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3938 * tree-inline.c (build_duplicate_type): When we make a
3939 duplicate type, make it unique in the canonical types system.
3941 2008-02-29 Tom Tromey <tromey@redhat.com>
3943 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3944 input_file_stack_history, input_file_stack_restored): Remove.
3945 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3946 * input.h (struct file_stack): Remove.
3947 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3948 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3950 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3952 (diagnostic_last_module_changed): Add 'map' argument.
3953 (diagnostic_set_last_function): Likewise.
3954 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3955 line map, not input_file_stack.
3956 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3958 2008-02-29 Paul Brook <paul@codesourcery.com>
3960 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3962 2008-02-29 Paul Brook <paul@codesourcery.com>
3964 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3966 2008-02-29 Richard Guenther <rguenther@suse.de>
3968 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3970 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3971 value for comparing for a store match.
3972 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3973 (try_to_simplify): Do not do a full-blown reference lookup.
3975 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3977 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3978 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3980 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3982 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3984 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3985 strides against cache sizes.
3987 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3989 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3992 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3994 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3995 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3996 is smaller than the original promoted value.
3997 (simplify_subreg): If OP is a SUBREG, try to preserve its
3998 SUBREG_PROMOTED_VAR_P information.
4000 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4002 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4003 (VN_INFO_GET): Allocate new objects on the obstack.
4004 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4005 for rpo_numbers_temp, for consistency.
4006 (free_scc_vn): Free the obstack.
4008 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4010 * doc/invoke.texi: Document -ftree-loop-distribution.
4011 * tree-loop-distribution.c: New.
4012 * tree-pass.h (pass_loop_distribution): New.
4013 * graphds.h (struct graph): Add htab_t indices.
4014 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4015 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4016 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4017 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4018 * tree-data-ref.c (debug_data_dependence_relations): New.
4019 (dump_data_dependence_relation): Also print data references.
4020 (free_data_ref): Extern.
4021 (same_access_functions): Moved...
4022 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4023 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4024 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4025 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4026 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4027 (stmts_from_loop): Skip LABEL_EXPR.
4028 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4030 (build_rdg): Initialize rdg->indices htab.
4031 (free_rdg, stores_from_loop, ref_base_address,
4032 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4033 have_similar_memory_accesses_1, ref_base_address_1,
4034 remove_similar_memory_refs): New.
4035 * tree-data-ref.h: Depend on tree-chrec.h.
4036 (debug_data_dependence_relations, free_data_ref): Declared.
4037 (same_access_functions): ... here.
4038 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4040 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4041 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4042 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4043 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4044 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4045 rdg_vertex_for_stmt): Declared.
4046 (struct rdg_edge): Add level.
4048 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4049 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4051 (rdg_has_similar_memory_accesses): New.
4052 * tree-vect-analyze.c: Remove unused static decls.
4053 * lambda.h (dependence_level): New.
4054 * common.opt (ftree-loop-distribution): New.
4055 * tree-flow.h (mark_virtual_ops_in_bb,
4056 slpeel_tree_duplicate_loop_to_edge_cfg,
4057 rename_variables_in_loop): Declared.
4058 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4059 (OBJS-common): Add tree-loop-distribution.o.
4060 (tree-loop-distribution.o): New rule.
4061 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4062 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4063 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4065 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4068 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4069 other than structures and unions.
4071 2008-02-28 Richard Guenther <rguenther@suse.de>
4074 2008-02-26 Richard Guenther <rguenther@suse.de>
4076 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4077 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4078 (lookup_decl_from_uid): Declare.
4079 (remove_decl_from_map): Likewise.
4080 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4081 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4082 (decl_for_uid_map): New global hashtable mapping DECL_UID
4084 (init_ttree): Allocate it.
4085 (insert_decl_to_uid_decl_map): New helper function.
4086 (make_node_stat): Insert new decls into the map.
4087 (copy_node_stat): Likewise.
4088 (lookup_decl_from_uid): New function.
4089 (remove_decl_from_map): Likewise.
4090 (print_decl_for_uid_map_statistics): New helper.
4091 (dump_tree_statistics): Call it.
4093 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4094 (referenced_var_iterator): Adjust.
4095 (FOR_EACH_REFERENCED_VAR): Adjust.
4096 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4097 (num_referenced_vars): Adjust.
4098 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4099 (first_referenced_var): Remove.
4100 (end_referenced_vars_p): Likewise.
4101 (next_referenced_var): Likewise.
4102 (referenced_var_iterator_set): New helper function.
4103 * tree-dfa.c (referenced_var_lookup): Adjust.
4104 (referenced_var_check_and_insert): Likewise.
4105 (remove_referenced_var): Likewise.
4106 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4107 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4108 (verify_call_clobbering): Likewise.
4109 (verify_memory_partitions): Likewise.
4110 (init_tree_ssa): Allocate bitmap instead of hashtable for
4112 (delete_tree_ssa): Adjust.
4113 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4114 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4115 (compute_tag_properties): Likewise.
4116 (set_initial_properties): Likewise.
4117 (find_partition_for): Likewise.
4118 (update_reference_counts): Likewise.
4119 (dump_may_aliases_for): Likewise.
4120 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4121 (add_call_clobber_ops): Likewise.
4122 (add_call_read_ops): Likewise.
4123 (get_asm_expr_operands): Likewise.
4124 * tree-into-ssa.c (dump_decl_set): Likewise.
4125 (update_ssa): Likewise.
4126 * tree-sra.c (scan_function): Likewise.
4127 (decide_instantiations): Likewise.
4128 (scalarize_parms): Likewise.
4129 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4130 (dsa_named_for): Likewise.
4131 * tree-ssa-structalias.c (update_alias_info): Likewise.
4132 (merge_smts_into): Likewise.
4134 2008-02-27 David Daney <ddaney@avtrex.com>
4137 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4138 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4139 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4140 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4141 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4143 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4146 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4147 (BUILT_IN_NEXTTOWARD): Remove.
4148 (BUILT_IN_NEXTTOWARDF): Ditto.
4149 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4150 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4152 2008-02-27 Tom Tromey <tromey@redhat.com>
4154 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4155 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4157 2008-02-27 Jan Beulich <jbeulich@novell.com>
4159 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4160 update the respective field on newdecl.
4162 2008-02-27 Revital Eres <eres@il.ibm.com>
4164 PR rtl-optimization/34999
4165 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4166 crossing edges that ends with a call insn.
4167 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4168 call insn and clear the EDGE_CROSSING flag of the crossing edge
4169 when fixing fallthru edges.
4171 2008-02-27 Richard Guenther <rguenther@suse.de>
4174 * fold-const.c (fold_unary): Return the correct argument,
4175 converted to the result type.
4177 2008-02-27 Richard Guenther <rguenther@suse.de>
4180 * expr.c (expand_expr_real_1): Assert on rotates that operate
4182 * fold-const.c (fold_binary): Use the types precision, not the
4183 bitsize of the mode if folding rotate expressions. Build rotates
4184 only for full modes.
4186 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4188 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4190 * c-pragma.c (pragma_ns_name): New typedef.
4191 (registered_pp_pragmas): New variable.
4192 (c_pp_lookup_pragma): New function.
4193 (c_register_pragma_1): If flag_preprocess_only, do nothing
4194 for non-expanded pragmas, for expanded ones push pragma's
4195 namespace and name into registered_pp_pragmas vector.
4196 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4197 flag_preprocess_only, don't register GCC pch_preprocess
4198 pragma if flag_preprocess_only.
4199 * c-opts.c (c_common_init): Call init_pragma even if
4200 flag_preprocess_only.
4201 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4202 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4203 cpp_register_pragma if flag_preprocess_only.
4205 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4208 * c-parser.c (c_parser_translation_unit): Warn for empty
4209 translation unit, not empty source file.
4211 2008-02-26 Paul Brook <paul@codesourcery.com>
4213 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4214 operand for Thumb-2.
4215 * config/arm/arm.h (reg_class): Add CORE_REGS.
4216 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4217 (BASE_REG_CLASS): Use CORE_REGS.
4218 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4219 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4220 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4221 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4222 ARM_REGNO_OK_FOR_INDEX_P.
4223 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4224 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4225 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4226 (ldm/stm peepholes): Ditto.
4227 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4228 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4229 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4230 * config/arm/constraints.md: Enable "k" constraint on ARM.
4232 2008-02-27 Ben Elliston <bje@au.ibm.com>
4234 * config/rs6000/rs6000.c: Annotate cache line size field in all
4235 instances of struct processor_costs.
4237 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4239 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4240 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4241 jump_bypass): New counters.
4242 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4243 * dce.c (gate_ud_dce): Same.
4244 (gate_fast_dce): Same.
4245 * dse.c (gate_dse1): New function.
4246 (gate_dse2): New function.
4247 (gate_dse): Merge results of new gate functions.
4248 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4249 (gate_handle_jump_bypass): Add dbg_cnt.
4250 (gate_handle_gcse): Add dbg_cnt.
4251 * ifcvt.c (gate_handle_if_conversion): Same.
4252 (gate_handle_if_after_combine): Same.
4253 (gate_handle_if_after_reload): Same.
4254 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4256 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4258 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4260 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4262 2008-02-26 Jason Merrill <jason@redhat.com>
4265 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4266 alone if it's the naming decl for the type's main variant.
4268 2008-02-26 Tom Tromey <tromey@redhat.com>
4270 * system.h (USE_MAPPED_LOCATION): Poison.
4271 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4272 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4273 (make_goto_expr_edges): Likewise.
4274 (remove_bb): Likewise.
4275 (execute_warn_function_return): Likewise.
4276 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4278 * c-common.c (fname_decl): Remove old location code.
4279 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4281 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4283 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4284 (gen_rtx_ASM_INPUT): Likewise.
4285 (gen_rtx_ASM_INPUT_loc): Likewise.
4286 (get_rtx_asm_OPERANDS): Remove.
4287 * cfglayout.c (insn_locators_alloc): Remove old location code.
4288 (set_curr_insn_source_location): Likewise.
4289 (curr_insn_locator): Likewise.
4290 * print-tree.c (print_node): Remove old location code.
4291 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4292 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4293 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4294 location_from_locus.
4295 (construct_exit_block): Remove old location code.
4296 * emit-rtl.c (force_next_line_note): Remove old location code.
4297 * profile.c (branch_prob): Remove old location code.
4298 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4299 LOC_LINE): Remove old-location variants.
4300 * langhooks.c (lhd_print_error_function): Remove old location
4302 * configure, config.in: Rebuilt.
4303 * configure.ac (--enable-mapped-location): Remove.
4304 * c-decl.c (c_init_decl_processing): Remove old location code.
4305 (finish_function): Likewise.
4306 * recog.c (decode_asm_operands): Remove old location code.
4307 * c-pch.c (c_common_read_pch): Remove old location code.
4308 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4310 * gimple-low.c (lower_function_body): Remove old location code.
4311 * toplev.c (unknown_location): Remove.
4312 (push_srcloc): Remove old-location variant.
4313 (process_options): Remove old location code.
4314 (lang_dependent_init): Likewise.
4315 * input.h (UNKNOWN_LOCATION): Move definition.
4316 (location_t): Undeprecate.
4317 (source_locus): Remove.
4318 (location_from_locus): Remove.
4319 (struct location_s): Remove.
4320 Remove all old-location code.
4321 (input_line, input_filename): Remove.
4322 * final.c (final_scan_insn): Remove old location code.
4323 * diagnostic.c (diagnostic_build_prefix): Remove
4324 USE_MAPPED_LOCATION test.
4325 * tree.h (gimple_stmt) <locus>: Now a location_t.
4326 (tree_exp) <locus>: Likewise.
4327 (DECL_IS_BUILTIN): Remove old-location variant.
4328 (annotate_with_file_line, annotate_with_locus): Likewise.
4329 (expr_locus, set_expr_locus): Update.
4330 * tree.c (build1_stat): Remove old location code.
4331 (last_annotated_node): Remove.
4332 (annotate_with_file_line): Remove old-location variant.
4333 (annotate_with_locus): Likewise.
4334 (expr_location): Remove old location code.
4335 (set_expr_location): Likewise.
4336 (expr_has_location): Likewise.
4337 (expr_locus): Likewise.
4338 (set_expr_locus): Likewise.
4339 (expr_filename): Don't use location_from_locus.
4340 (expr_lineno): Likewise.
4341 * rtl-error.c (location_for_asm): Remove old location code.
4342 * c-lex.c (cb_line_change): Remove old location code.
4343 (fe_file_change): Likewise.
4344 (cb_def_pragma): Likewise.
4345 (c_lex_with_flags): Likewise.
4346 * gengtype.c (do_typedef): Don't special-case location types.
4347 (define_location_structures): Remove.
4348 (main): Don't call define_location_structures.
4349 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4352 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4355 * builtins.def (BUILT_IN_STDARG_START): Remove.
4356 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4357 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4358 * tree-inline.c (inline_forbidden_p_1): Likewise.
4360 2008-02-26 Richard Guenther <rguenther@suse.de>
4362 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4363 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4364 (lookup_decl_from_uid): Declare.
4365 (remove_decl_from_map): Likewise.
4366 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4367 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4368 (decl_for_uid_map): New global hashtable mapping DECL_UID
4370 (init_ttree): Allocate it.
4371 (insert_decl_to_uid_decl_map): New helper function.
4372 (make_node_stat): Insert new decls into the map.
4373 (copy_node_stat): Likewise.
4374 (lookup_decl_from_uid): New function.
4375 (remove_decl_from_map): Likewise.
4376 (print_decl_for_uid_map_statistics): New helper.
4377 (dump_tree_statistics): Call it.
4379 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4380 (referenced_var_iterator): Adjust.
4381 (FOR_EACH_REFERENCED_VAR): Adjust.
4382 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4383 (num_referenced_vars): Adjust.
4384 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4385 (first_referenced_var): Remove.
4386 (end_referenced_vars_p): Likewise.
4387 (next_referenced_var): Likewise.
4388 (referenced_var_iterator_set): New helper function.
4389 * tree-dfa.c (referenced_var_lookup): Adjust.
4390 (referenced_var_check_and_insert): Likewise.
4391 (remove_referenced_var): Likewise.
4392 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4393 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4394 (verify_call_clobbering): Likewise.
4395 (verify_memory_partitions): Likewise.
4396 (init_tree_ssa): Allocate bitmap instead of hashtable for
4398 (delete_tree_ssa): Adjust.
4399 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4400 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4401 (compute_tag_properties): Likewise.
4402 (set_initial_properties): Likewise.
4403 (find_partition_for): Likewise.
4404 (update_reference_counts): Likewise.
4405 (dump_may_aliases_for): Likewise.
4406 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4407 (add_call_clobber_ops): Likewise.
4408 (add_call_read_ops): Likewise.
4409 (get_asm_expr_operands): Likewise.
4410 * tree-into-ssa.c (dump_decl_set): Likewise.
4411 (update_ssa): Likewise.
4412 * tree-sra.c (scan_function): Likewise.
4413 (decide_instantiations): Likewise.
4414 (scalarize_parms): Likewise.
4415 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4416 (dsa_named_for): Likewise.
4417 * tree-ssa-structalias.c (update_alias_info): Likewise.
4418 (merge_smts_into): Likewise.
4420 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4423 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4424 * c-opts.c (c_common_handle_option): Wall enables
4425 Wvolatile-register-var.
4426 * common.opt: Move Wvolatile-register-var to...
4429 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4431 * common.opt (Wlarger-than=): New.
4432 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4434 * opts.c (common_handle_option): Handle -Wlarger-than=.
4435 * optc-gen.awk: Likewise.
4436 * opth-gen.awk: Likewise.
4437 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4438 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4440 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4442 * c-common.c (match_case_to_enum_1): Add appropriate
4443 OPT_W* parameter to warning.
4444 (c_do_switch_warnings): Likewise.
4445 * c-typeck.c (warning_init): Add one more parameter following
4447 (push_init_level): Update call to warning_init.
4448 (pop_init_level): Likewise.
4449 (add_pending_init): Likewise.
4450 (output_init_element: Likewise.
4452 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4455 * toplev.c (toplev_main): If there are warnings or error, print
4456 errors for ignored options.
4457 * opts.c (ignored_options): New static variable.
4458 (postpone_unknown_option_error): New.
4459 (print_ignored_options): New.
4460 (handle_option): Postpone errors for unknown -Wno-* options.
4461 * opts.h (print_ignored_options): Declare.
4463 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4465 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4468 2008-02-25 Richard Guenther <rguenther@suse.de>
4471 2008-02-25 Richard Guenther <rguenther@suse.de>
4473 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4474 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4475 (lookup_decl_from_uid): Declare.
4476 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4477 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4478 (decl_for_uid_map): New global hashtable mapping DECL_UID
4480 (init_ttree): Allocate it.
4481 (insert_decl_to_uid_decl_map): New helper function.
4482 (make_node_stat): Insert new decls into the map.
4483 (copy_node_stat): Likewise.
4484 (lookup_decl_from_uid): New function.
4485 (print_decl_for_uid_map_statistics): New helper.
4486 (dump_tree_statistics): Call it.
4488 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4489 (referenced_var_iterator): Adjust.
4490 (FOR_EACH_REFERENCED_VAR): Adjust.
4491 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4492 (num_referenced_vars): Adjust.
4493 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4494 (first_referenced_var): Remove.
4495 (end_referenced_vars_p): Likewise.
4496 (next_referenced_var): Likewise.
4497 (referenced_var_iterator_set): New helper function.
4498 * tree-dfa.c (referenced_var_lookup): Adjust.
4499 (referenced_var_check_and_insert): Likewise.
4500 (remove_referenced_var): Likewise.
4501 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4502 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4503 (verify_call_clobbering): Likewise.
4504 (verify_memory_partitions): Likewise.
4505 (init_tree_ssa): Allocate bitmap instead of hashtable for
4507 (delete_tree_ssa): Adjust.
4508 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4509 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4510 (compute_tag_properties): Likewise.
4511 (set_initial_properties): Likewise.
4512 (find_partition_for): Likewise.
4513 (update_reference_counts): Likewise.
4514 (dump_may_aliases_for): Likewise.
4515 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4516 (add_call_clobber_ops): Likewise.
4517 (add_call_read_ops): Likewise.
4518 (get_asm_expr_operands): Likewise.
4519 * tree-into-ssa.c (dump_decl_set): Likewise.
4520 (update_ssa): Likewise.
4521 * tree-sra.c (scan_function): Likewise.
4522 (decide_instantiations): Likewise.
4523 (scalarize_parms): Likewise.
4524 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4525 (dsa_named_for): Likewise.
4526 * tree-ssa-structalias.c (update_alias_info): Likewise.
4527 (merge_smts_into): Likewise.
4529 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4532 * doc/invoke.texi (-fcx-limited-range): Document new option.
4533 * toplev.c (process_options): Handle -fcx-fortran-rules.
4534 * common.opt: Add documentation for -fcx-fortran-rules.
4536 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4539 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4540 actual behaviour and C99.
4542 2008-02-26 Ben Elliston <bje@au.ibm.com>
4544 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4545 (ASM_CPU_POWER6_SPEC): Likewise.
4546 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4547 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4548 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4550 2008-02-25 Richard Guenther <rguenther@suse.de>
4552 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4553 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4554 (lookup_decl_from_uid): Declare.
4555 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4556 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4557 (decl_for_uid_map): New global hashtable mapping DECL_UID
4559 (init_ttree): Allocate it.
4560 (insert_decl_to_uid_decl_map): New helper function.
4561 (make_node_stat): Insert new decls into the map.
4562 (copy_node_stat): Likewise.
4563 (lookup_decl_from_uid): New function.
4564 (print_decl_for_uid_map_statistics): New helper.
4565 (dump_tree_statistics): Call it.
4567 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4568 (referenced_var_iterator): Adjust.
4569 (FOR_EACH_REFERENCED_VAR): Adjust.
4570 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4571 (num_referenced_vars): Adjust.
4572 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4573 (first_referenced_var): Remove.
4574 (end_referenced_vars_p): Likewise.
4575 (next_referenced_var): Likewise.
4576 (referenced_var_iterator_set): New helper function.
4577 * tree-dfa.c (referenced_var_lookup): Adjust.
4578 (referenced_var_check_and_insert): Likewise.
4579 (remove_referenced_var): Likewise.
4580 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4581 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4582 (verify_call_clobbering): Likewise.
4583 (verify_memory_partitions): Likewise.
4584 (init_tree_ssa): Allocate bitmap instead of hashtable for
4586 (delete_tree_ssa): Adjust.
4587 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4588 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4589 (compute_tag_properties): Likewise.
4590 (set_initial_properties): Likewise.
4591 (find_partition_for): Likewise.
4592 (update_reference_counts): Likewise.
4593 (dump_may_aliases_for): Likewise.
4594 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4595 (add_call_clobber_ops): Likewise.
4596 (add_call_read_ops): Likewise.
4597 (get_asm_expr_operands): Likewise.
4598 * tree-into-ssa.c (dump_decl_set): Likewise.
4599 (update_ssa): Likewise.
4600 * tree-sra.c (scan_function): Likewise.
4601 (decide_instantiations): Likewise.
4602 (scalarize_parms): Likewise.
4603 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4604 (dsa_named_for): Likewise.
4605 * tree-ssa-structalias.c (update_alias_info): Likewise.
4606 (merge_smts_into): Likewise.
4608 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4611 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4612 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4613 * alias.h (nonoverlapping_memrefs_p): Likewise.
4615 2008-02-25 Jan Beulich <jbeulich@novell.com>
4617 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4618 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4619 __emultls_get_address, __emultls_register_common,
4620 __floatundi?f, and _Unwind_GetIPInfo.
4621 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4622 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4623 (gen_regparm_prefix): Likewise.
4624 (i386_nlm_encode_section_info): Sync with
4625 config/i386/winnt.c:i386_pe_encode_section_info().
4626 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4627 i386_nlm_mangle_decl_assembler_name): New.
4628 (netware_override_options): New.
4629 * config/i386/netware.h (netware_override_options): Declare.
4630 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4631 (i386_nlm_mangle_decl_assembler_name): Declare.
4632 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4634 2008-02-25 Ben Elliston <bje@au.ibm.com>
4637 * c-decl.c (grokdeclarator): Remove unused local variables
4638 `typedef_type' and `type_as_written'.
4640 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4641 unused local variable `has_hot_blocks'.
4642 (fix_crossing_conditional_branches): Remove unused local variable
4645 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4648 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4649 using DEF_C99_BUILTIN.
4650 (BUILT_IN_NANF): Ditto.
4651 (BUILT_IN_NANL): Ditto.
4653 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4654 Revital Eres <eres@il.ibm.com>
4656 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4657 regarding the order of two dependent insns in the same row.
4659 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4661 * stor-layout.c (layout_decl): Do not bump the alignment of a
4662 bit-field to more than byte alignment if it is packed.
4664 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4666 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4669 2008-02-24 Diego Novillo <dnovillo@google.com>
4671 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4674 * tree-vrp.c (vrp_evaluate_conditional): With
4675 -Wtype-limits, emit a warning when comparing against a
4676 constant outside the natural range of OP0's type.
4677 * c.opt (Wtype-limits): Move ...
4678 * common.opt (Wtype-limits): ... here.
4680 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4682 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4683 * config/rs6000/e300c2c3.md: New file.
4684 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4686 (rs6000_override_options): Add e300c2 and e300c3 cases to
4687 processor_target_table. Do not allow usage of Altivec or Spe
4688 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4689 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4690 * config/rs6000/rs6000.h (processor_type): Add
4691 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4692 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4693 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4694 and ppce300c3. Include e300c2c3.md.
4696 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4698 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4699 instead of TARGET_STRICT_ALIGN.
4701 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4703 * explow.c (memory_address): Assert that the generated address is
4706 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4709 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4710 * config/darwin-ppc-ldouble-patch.def: New file.
4711 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4712 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4713 SUBTARGET_INIT_BUILTINS if defined.
4714 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4717 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4720 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4721 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4723 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4726 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4727 file" warning condtional on -Winvalid-PCH.
4729 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4731 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4733 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4737 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4738 prevent reload from using MMX registers.
4739 (*mov<mode>_internal): Ditto.
4740 (*movv2sf_internal_rex64): Ditto.
4741 (*movv2sf_internal): Ditto.
4743 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4745 PR documentation/31569
4746 * doc/install.texi2html: Use makeinfo --no-number-sections.
4748 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4750 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4751 ensure that we can address an entire entity > 8 bytes. Don't
4752 generate reg+reg addressing for such data.
4754 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4756 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4757 strings when optimizing for size, unless the target cares about
4760 2008-02-22 Tom Tromey <tromey@redhat.com>
4762 * regclass.c (current_pass): Remove declaration.
4764 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4766 * config/avr/libgcc.S (__RAMPZ__): Define.
4767 (__do_copy_data): Add for devices with 128KB code memory.
4769 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4771 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4773 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4775 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4777 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4780 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4783 * c-typeck.c (build_binary_op): Warn about floating point
4784 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4786 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4789 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4790 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4792 (rs6000_override_options): Set altivec_abi as default, not override,
4793 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4794 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4795 is used; use new member spe_abi.
4796 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4797 spe_abi and altivec_abi.
4799 2008-02-22 Tomas Bily <tbily@suse.cz>
4801 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4803 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4806 * config.build (build_file_translate): Set to `CMD //c' only if
4808 * Makefile.in (build_file_translate): Improve comment.
4810 2008-02-21 Jan Hubicka <jh@suse.cz>
4812 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4813 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4814 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4816 2008-02-21 Michael Matz <matz@suse.de>
4819 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4821 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4823 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4824 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4826 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4827 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4828 SSE_VEC_FLOAT_MODE_P as insn constraint.
4829 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4830 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4831 sse4a_movntdf using MODEF mode iterator.
4832 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4833 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4834 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4835 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4836 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4837 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4838 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4840 2008-02-21 Richard Guenther <rguenther@suse.de>
4842 * tree.def (PAREN_EXPR): New tree code.
4843 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4845 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4846 * expr.c (expand_expr_real_1): Likewise.
4847 * tree-inline.c (estimate_num_insns_1): Likewise.
4848 * tree-complex.c (expand_complex_move): Likewise.
4849 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4852 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4855 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4857 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4860 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4862 * config/sh/sh.c (find_barrier): Don't go past
4863 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4865 2008-02-20 DJ Delorie <dj@redhat.com>
4867 * config/h8300/h8300.md (insv): Force source operand to be a register.
4869 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4870 as a jump, not as a plain insn.
4872 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4874 * doc/invoke.texi (Warning Options): Add new option
4875 -Wframe-larger-than=.
4876 (-Wframe-larger-than): Document.
4878 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4879 Add declarations for new option variables.
4881 * final.c (final_start_function): Check the frame size
4882 before emission and issue a Wframe-larger-than warning.
4884 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4885 Add definitions for new option variables.
4886 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4888 * common.opt (Wframe-larger-than=): New option.
4890 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4892 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4893 (<sse>_div<mode>3): Ditto.
4894 (<sse>_vmdiv<mode>3): Ditto.
4895 (<sse>_vmsqrt<mode>2): Ditto.
4896 (*smax<mode>3): Ditto.
4897 (sse5_frcz<mode>2): Ditto.
4898 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4901 2008-02-20 Richard Guenther <rguenther@suse.de>
4904 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4905 be happy with INTEGRAL_TYPE_P.
4907 2008-02-20 Richard Guenther <rguenther@suse.de>
4909 * fold-const.c (split_tree): Associate floatig-point expressions
4910 if flag_associative_math is set.
4912 2008-02-20 Richard Guenther <rguenther@suse.de>
4914 * tree.h (fold_real_zero_addition_p): Declare.
4915 * fold-const.c (fold_real_zero_addition_p): Export.
4916 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4917 floating-point operations with zero and one.
4919 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4921 * doc/install.texi: Correct references to CFLAGS, replacing them
4922 with BOOT_CFLAGS. Document flags used during bootstrap for
4925 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4927 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4928 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4929 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4931 (smin<mode>3): Ditto from similar patterns.
4932 (smax<mode>3): Ditto.
4933 (*ieee_smin<mode>3): Ditto.
4934 (*ieee_smax<mode>3): Ditto.
4935 * config/i386/sse.md (sse): New mode attribute.
4936 (mov<mode>): Macroize expander from movv4sf and movv2df using
4937 SSEMODEF2P mode iterator.
4938 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4939 SSE_VEC_FLOAT_MODE_P as insn constraint.
4940 (storent<mode>): Ditto.
4941 (storent<mode>): Macroize expander from storentsf and storentdf using
4942 MODEF mode iterator.
4943 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4944 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4945 (abs<mode>2): Ditto from similar patterns.
4946 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4947 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4948 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4949 (<sse>_vmsqrt<mode>2): Ditto.
4950 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4951 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4952 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4953 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4954 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4955 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4956 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4958 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4959 iterator and SSE_FLOAT_MODE_P as insn constraint.
4960 (<sse>_ucomi): Ditto from similar patterns.
4961 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4962 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4963 SSE_VEC_FLOAT_MODE_P as insn constraint.
4964 (vcond<mode>): Ditto from similar patterns.
4965 (and<mode>3, *and<mode>3): Ditto.
4966 (<sse>_nand<mode>3): Ditto.
4967 (ior<mode>3, *ior<mode>3): Ditto.
4968 (xor<mode>3, *xor<mode>3): Ditto.
4969 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4970 iterator and SSE_FLOAT_MODE_P as insn constraint.
4971 (*nand<mode>3): Ditto from similar patterns.
4972 (*ior<mode>3): Ditto.
4973 (*xor<mode>3): Ditto.
4975 2008-02-20 Ira Rosen <irar@il.ibm.com>
4977 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4978 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4979 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4981 2008-02-19 Jan Hubicka <jh@suse.cz>
4983 * predict.c (tree_bb_level_predictions): Remove variable next
4984 mistakely introduced by previous commit.
4986 2008-02-19 Jan Hubicka <jh@suse.cz>
4988 * predict.c (predict_paths_leading_to): Rewrite.
4989 (predict_paths_for_bb): New.
4990 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4992 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4995 * Makefile.in (build_file_translate): New.
4996 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4997 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4998 * configure.ac (build_file_translate): Substitute it.
4999 * configure: Regenerate.
5001 2008-02-19 Jan Hubicka <jh@suse.cz>
5003 PR rtl-optimization/34408
5004 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5007 2008-02-19 Jan Hubicka <jh@suse.cz>
5010 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5013 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5016 * config/i386/i386-modes.def: Revert the last DI alignment
5017 change until Ada people can look into it.
5019 2008-02-19 Nick Clifton <nickc@redhat.com>
5021 * opts.c (print_specific_help): Fix typo in --help text.
5023 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5026 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5027 32-bit inline asm without asm alternatives for host GCC < 3.0.
5029 2008-02-19 Richard Guenther <rguenther@suse.de>
5031 PR tree-optimization/34989
5032 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5033 Allow propagation to INDIRECT_REF if we can simplify only.
5035 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5037 * c-common.c (warn_for_collisions_1): Use appropriate option when
5040 2008-02-19 Nick Clifton <nickc@redhat.com>
5043 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5044 (handle_options): Fix indentation.
5045 (print_filtered_help): If no language-specific options were
5046 displayed tell the user how to list all the options supported by
5047 the language's front-end.
5048 (print_specific_help): Fix indentation and remove duplicate line.
5049 (common_handle_option): Handle the -v option.
5050 For --help enable the display of undocumented options if the -v
5051 switch has been included on the command line.
5052 For --help= check for overlaps in the arguments between the option
5053 classes and the language names and issue a warning when they
5054 cannot be disambiguated.
5055 * c.opt (v): Pass on to the common option handler.
5057 2008-02-19 Revital Eres <eres@il.ibm.com>
5059 * modulo-sched.c (sms_schedule): Change dump message when
5060 create_ddg function fails.
5061 (try_scheduling_node_in_cycle): Rename row to cycle.
5062 (print_partial_schedule): Rename CYCLE to ROW.
5064 2008-02-19 Christian Bruel <christian.bruel@st.com>
5065 Zdenek Dvorak <ook@ucw.cz>
5067 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5069 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5072 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5073 (*x86_movdicc_0_m1_se): Ditto.
5075 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5077 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5078 (CMPtype): Define as __gcc_CMPtype.
5079 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5080 (CMPtype): Define as __gcc_CMPtype.
5082 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5084 Support valgrind 3.3 for --enable-checking=valgrind.
5085 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5087 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5088 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5089 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5090 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5091 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5092 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5093 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5095 * ggc-zone.c: Similar.
5096 * ggc-page.c: Similar.
5098 2008-02-19 Paul Brook <paul@codesourcery.com>
5101 * config/arm/ieee754-df.S: Fix do_it typo.
5102 * config/arm/ieee754-sf.S: Fix do_it typo.
5104 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5107 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5108 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5109 (OPTION_MASK_ISA_SSE_SET): Likewise.
5110 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5111 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5112 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5113 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5114 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5115 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5116 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5117 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5118 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5119 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5120 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5121 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5122 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5123 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5124 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5125 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5126 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5127 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5128 (OPTION_MASK_ISA_SSE4): Removed.
5129 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5130 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5131 (override_options): Don't turn on implied SSE/MMX bits in
5134 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5136 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5139 2008-02-18 Joey Ye <joey.ye@intel.com>
5142 * tree-nested.c (insert_field_into_struct): Set type alignment
5143 to field alignment if the former is less than the latter.
5145 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5147 * BASE-VER: Set to 4.4.0.
5149 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5151 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5152 * doc/cfg.texi: Likewise.
5153 * doc/extend.texi: Likewise.
5154 * doc/gty.texi: Likewise.
5155 * doc/invoke.texi: Likewise.
5156 * doc/loop.texi: Likewise.
5157 * doc/md.texi: Likewise.
5158 * doc/passes.texi: Likewise.
5159 * doc/rtl.texi: Likewise.
5160 * doc/sourcebuild.texi: Likewise.
5161 * doc/tm.texi: Likewise.
5162 * doc/tree-ssa.texi: Likewise.
5164 2008-02-17 Richard Guenther <rguenther@suse.de>
5167 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5168 without default definition.
5170 2008-02-17 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/35231
5173 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5176 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5179 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5180 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5181 libgcc_cmp_return mode.
5183 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5186 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5188 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5190 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5193 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5195 * doc/c-tree.texi: Use `@.' where appropriate.
5196 * doc/extend.texi: Likewise.
5197 * doc/install.texi: Likewise.
5198 * doc/invoke.texi: Likewise.
5199 * doc/loop.texi: Likewise.
5200 * doc/makefile.texi: Likewise.
5201 * doc/md.texi: Likewise.
5202 * doc/passes.texi: Likewise.
5203 * doc/standards.texi: Likewise.
5204 * doc/tm.texi: Likewise.
5206 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5209 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5211 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5212 rather than in entry_bb.
5214 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5216 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5217 libgcc_cmp_return mode.
5219 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5222 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5223 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5225 2008-02-15 Richard Guenther <rguenther@suse.de>
5226 Zdenek Dvorak <ook@ucw.cz>
5228 PR tree-optimization/35164
5229 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5230 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5231 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5232 Only propagate addresses which do not have abnormal SSA_NAMEs
5235 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5238 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5240 2008-02-15 Jan Hubicka <jh@suse.cz>
5243 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5245 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5248 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5249 when calculating alignment_pad.
5251 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5253 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5254 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5255 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5256 and STACK_BOUNDARY define.
5258 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5260 PR preprocessor/35061
5261 * c-pragma.c (handle_pragma_pop_macro): Check that
5262 pushed_macro_table has been allocated.
5264 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5267 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5268 (force_gimple_operand): Likewise.
5269 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5270 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5271 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5272 (find_interesting_uses_address): Check addressability and alignment
5273 of the base expression only after substituting bases of IVs into it.
5275 2008-02-14 Michael Matz <matz@suse.de>
5278 * function.c (instantiate_virtual_regs_in_insn): Reload address
5279 before falling back to reloading the whole operand.
5281 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5283 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5284 before the first section switch note.
5286 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5288 * doc/bugreport.texi: Update copyright years.
5289 * doc/c-tree.texi: Likewise.
5290 * doc/cfg.texi: Likewise.
5291 * doc/cpp.texi: Likewise.
5292 * doc/cppinternals.texi: Likewise.
5293 * doc/fragments.texi: Likewise.
5294 * doc/frontends.texi: Likewise.
5295 * doc/gcc.texi: Likewise.
5296 * doc/gty.texi: Likewise.
5297 * doc/hostconfig.texi: Likewise.
5298 * doc/implement-c.texi: Likewise.
5299 * doc/libgcc.texi: Likewise.
5300 * doc/loop.texi: Likewise.
5301 * doc/makefile.texi: Likewise.
5302 * doc/options.texi: Likewise.
5303 * doc/passes.texi: Likewise.
5304 * doc/rtl.texi: Likewise.
5305 * doc/sourcebuild.texi: Likewise.
5306 * doc/standards.texi: Likewise.
5307 * doc/tree-ssa.texi: Likewise.
5308 * doc/trouble.texi: Likewise.
5310 * doc/extend.texi: Use @: or add comma where appropriate.
5311 * doc/invoke.texi: Likewise.
5312 * doc/tm.texi: Likewise.
5314 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5317 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5320 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5322 * doc/md.texi (clz, ctz): Add reference.
5323 * doc/rtl.texi (clz, ctz): Likewise.
5325 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5328 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5331 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5333 * config/s390/s390.c (struct constant_pool): New field
5334 emit_pool_after added.
5335 (s390_mainpool_start): Set the emit_pool_after flag according
5336 to the section switch notes.
5337 (s390_mainpool_finish): Consider emit_pool_after when emitting
5338 the literal pool at the end of the function.
5339 (s390_chunkify_start): Force literal pool splits at section
5342 2008-02-13 Michael Matz <matz@suse.de>
5345 * var-tracking.c (clobber_variable_part): Correctly traverse the
5348 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5351 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5352 Add -fdump-ipa-inline.
5353 * tree-dump.c (dump_files): Remove tree-inlined dump.
5354 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5356 2008-02-12 Richard Guenther <rguenther@suse.de>
5358 PR tree-optimization/35171
5359 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5362 2008-02-12 Richard Guenther <rguenther@suse.de>
5365 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5366 value-preserving mode. Disallow final truncation.
5368 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5371 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5372 code from here to...
5373 (force_gimple_operand): ...here.
5375 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5378 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5379 non-compatible pointers.
5380 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5381 different FIELD_DECLs, try harder by comparing field offsets, sizes
5385 * function.c (match_asm_constraints_1): Don't replace the same input
5388 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5390 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5391 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5392 (expand_epilogue): Restore RAMPZ register.
5393 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5395 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5397 * config/i386/cygwin.asm: (__alloca): Correct calling
5398 convention and alignment.
5399 (__chkstk): Force 8 byte stack alignment.
5401 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5402 Richard Guenther <rguenther@suse.de>
5404 PR tree-optimization/33992
5405 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5406 the zero we compare against.
5408 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5411 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5412 to CloseHandle after unlocking to prevent accumulation of handle
5415 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5418 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5419 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5420 and update LABEL_NUSES during and after reload.
5422 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5425 * combine.c (simplify_if_then_else): Make sure the comparison is
5426 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5428 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5431 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5432 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5433 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5434 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5435 * tree.h (get_type_static_bounds): Likewise.
5437 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5439 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5440 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5441 Make -Wfoo language annotations match what the compiler outputs.
5443 2008-02-08 Sa Liu <saliu@de.ibm.com>
5445 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5446 intrinsics spu_convts, spu_convtu, spu_convtf.
5447 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5449 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5451 * doc/extend.texi (Function Attributes) <noinline>: Mention
5452 asm ("") as method to keep calls.
5454 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5457 * doc/options.texi (Options): Replace references to opts.sh with
5459 * opts-common.c: Likewise.
5460 * optc-gen.awk: Likewise.
5462 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5464 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5466 2008-02-07 Richard Henderson <rth@redhat.com>
5469 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5470 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5473 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5475 PR tree-optimization/35085
5476 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5477 for operand entry oe2 in addition to operand entry oe3 in order to
5478 expose more opportunities for vectorizer sum reduction.
5480 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5483 * Makefile.in (LIBS): Remove $(GMPLIBS).
5484 (cc1-dummy, cc1): Add $(GMPLIBS).
5486 2008-02-06 Jan Hubicka <jh@suse.cz>
5489 * i386.md (moddf_integer): Do not produce partial memory stalls for
5490 targets where it hurts.
5492 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5495 * optabs.c (expand_float): Do not check for decimal modes when
5496 expanding unsigned integer through signed conversion.
5498 2008-02-06 Nick Clifton <nickc@redhat.com>
5500 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5501 inside the clobber with a match_operand and duplicated operand
5502 number in the constraint.
5503 (ineqbranchsi): Delete redundant comment.
5505 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5507 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5508 builtin_define ("__USE_INIT_FINI__").
5509 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5511 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5513 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5515 PR documentation/30330
5516 * doc/invoke.texi (C++ Dialect Options)
5517 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5518 For each warning option -Wfoo that allows -Wno-foo, ensure both
5519 -Wfoo and -Wno-foo are listed in the option index. Fix index
5520 entry of -Wswitch-default, index -Wnormalized= including the
5521 `=', and -Wlarger-than-@var{len} including @var{len}.
5523 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5525 * config/i386/i386.md (floatunssisf2): Use
5526 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5527 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5528 Macroize expander using MODEF mode iterator.
5530 2008-02-05 Diego Novillo <dnovillo@google.com>
5532 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5535 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5537 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5540 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5542 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5545 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5546 to indicate if a message should be generated.
5547 (init_cumulative_args): Updated.
5548 (function_value_32): Likewise.
5550 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5552 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5554 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5557 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5558 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5560 2008-02-04 Diego Novillo <dnovillo@google.com>
5562 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5565 * tree-vrp.c (vrp_evaluate_conditional): With
5566 -Wtype-limits, emit a warning when comparing against a
5567 constant outside the natural range of OP0's type.
5569 2008-02-04 Richard Guenther <rguenther@suse.de>
5572 * expr.c (count_type_elements): Give for unions instead of
5575 2008-02-04 Richard Guenther <rguenther@suse.de>
5578 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5579 to TYPE_DOMAINs base type instead of using bitsizetype here.
5581 2008-02-03 Jason Merrill <jason@redhat.com>
5583 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5585 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5588 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5589 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5590 (RS/6000 and PowerPC Options): Fix typos and markup.
5591 * doc/passes.texi (Tree-SSA passes): Likewise.
5593 2008-02-02 Michael Matz <matz@suse.de>
5596 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5597 from record_last_reg_set_info.
5598 (record_last_reg_set_info): Take an RTX argument, iterate over all
5599 constituent hardregs.
5600 (record_last_set_info, record_opr_changes): Change calls to
5601 new signature or to record_last_reg_set_info_regno.
5603 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5605 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5607 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5609 PR rtl-optimization/34773
5610 * reg-notes.def (EQUAL): Mention significance of combination of
5611 REG_EQUAL and REG_RETVAL.
5612 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5613 insn that has a REG_RETVAL.
5615 2008-02-01 Roger Sayle <roger@eyesopen.com>
5618 * configure.ac (--enable-fixed-point): Disable unless explicitly
5620 * configure: Regenerate.
5622 2008-02-01 Richard Guenther <rguenther@suse.de>
5625 * invoke.texi (-finline-limit): Remove no longer true parts
5626 of the documentation. Note that there is no default value.
5628 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5629 Mark Mitchell <mark@codesourcery.com>
5630 Ben Elliston <bje@au.ibm.com>
5633 * doc/extend.texi (Other Builtins): Document.
5635 2008-01-31 Tom Browder <tom.browder@gmail.com>
5637 * doc/c-tree.texi (Types): Fix grammar.
5638 (Expression trees): Ditto.
5639 * doc/passes.texi (Tree-SSA passes): Ditto.
5641 * doc/configterms.texi (Configure Terms): Fix typo.
5642 * doc/cpp.texi (Common Predefined Macros): Ditto.
5643 * doc/md.texi (Machine Constraints): Ditto.
5645 * doc/makefile.texi (Makefile): Add comma.
5647 2008-01-31 Tom Browder <tom.browder@gmail.com>
5648 Gerald Pfeifer <gerald@pfeifer.com>
5650 * doc/sourcebuild.texi (Front End): Remove references to CVS
5651 and CVSROOT/modules.
5652 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5653 (Back End): Remove reference to CVS.
5655 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5658 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5660 (mips16_gp_pseudo_reg): ...here.
5661 * config/mips/mips.md (load_const_gp): Replace with...
5662 (load_const_gp_<mode>): ...this :P-based insn.
5664 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5666 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5667 options. Minor fixes.
5668 (-std): Move reference to standards closer to where language
5669 standards are first mentioned.
5671 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5673 PR rtl-optimization/34995
5674 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5675 parameter and return a bool. If the rtx parameter is nonnull,
5676 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5677 (find_reloads): Update call accordingly. Pass the new operand
5678 if it needed no address reloads, otherwise pass null.
5680 2008-01-30 Richard Henderson <rth@redhat.com>
5683 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5684 for unbounded arrays.
5686 2008-01-30 Silvius Rus <rus@google.com>
5688 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5690 2008-01-30 Jan Hubicka <jh@suse.cz>
5693 * i386.c (init_cumulative_args): Use real function declaration when
5696 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5698 PR rtl-optimization/34998
5699 * global.c (build_insn_chain): Treat non-subreg_lowpart
5700 SUBREGs of pseudos as clobbering all the words covered by the
5701 SUBREG, not just all the bytes.
5702 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5703 original df_ref rather than an extract parameter.
5704 (global_conflicts): Update call accordingly.
5706 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5708 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5709 the overflow check to make it easier to read.
5710 (__fixtfdi): Change the type of the ll member in union
5711 long_double to UDItype_x.
5713 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5716 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5717 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5718 * tree-inline.c (fold_marked_statements): Call
5719 cgraph_update_edges_for_call_stmt if folding a call statement.
5720 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5721 debug_generic_stmt calls, reset it back afterwards.
5724 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5726 * c-typeck.c (build_external_ref): Don't pedwarn about
5727 static vars in current function's scope.
5729 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5731 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5733 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5736 * ipa-struct-reorg.c: Fix spelling.
5737 * params.def: Ditto.
5739 2008-01-29 Richard Guenther <rguenther@suse.de>
5742 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5744 * tree-inline.c (remap_type): Increment remapping_type_depth
5745 around remapping types.
5746 (copy_body_r): Only add referenced variables if they are referenced
5747 from code, not types.
5749 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5760 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5761 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5763 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5766 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5767 pointer for tiny stack.
5769 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5771 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5773 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5775 * config/vx-common.h: Fix typo in comment.
5777 2008-01-28 Ian Lance Taylor <iant@google.com>
5781 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5782 coalesce pointers if they have different DECL_NO_TBAA_P values.
5783 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5784 between variables with different DECL_NO_TBAA_P values.
5786 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5789 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5790 are not legitimate small data references on SPE targets.
5792 2008-01-28 David Daney <ddaney@avtrex.com>
5794 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5796 2008-01-28 David Daney <ddaney@avtrex.com>
5798 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5800 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5802 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5803 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5804 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5805 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5806 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5807 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5808 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5809 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5811 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5813 * basic-block.h (condjump_equiv_p): Fix comment.
5815 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5817 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5818 print_generic_stmt_indented): Fix comment.
5820 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5822 * configure.ac (__stack_chk_fail): Add detecion for availability
5823 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5824 * configure: Regenerate.
5826 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5829 * final.c (output_addr_const): Handle TRUNCATE.
5831 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5834 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5835 (zero_cost, infinite_cost): New constants.
5836 (struct cost_pair): Change type of cost to comp_cost.
5837 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5838 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5840 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5841 split_address_cost, ptr_difference_cost, difference_cost,
5842 get_computation_cost_at, get_computation_cost,
5843 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5844 determine_use_iv_cost_condition, determine_use_iv_costs,
5845 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5846 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5847 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5848 Change type of cost to comp_cost.
5849 (determine_iv_cost): Increase cost of non-original ivs, instead
5850 of decreasing the cost of original ones.
5851 (get_address_cost): Indicate the complexity of the addressing mode
5853 (try_add_cand_for): Prefer using ivs not specific to some object.
5854 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5856 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5857 Janis Johnson <janis187@us.ibm.com>
5860 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5861 (TARGET_INSTANTIATE_DECLS): Likewise.
5862 * target.h (expand_to_rtl_hook): New target hook.
5863 (instantiate_decls): Likewise.
5864 * function.c (instantiate_decl): Make non-static. Rename to...
5865 (instantiate_decl_rtl): ... this.
5866 (instantiate_expr): Use instantiate_decl_rtl.
5867 (instantiate_decls_1): Likewise.
5868 (instantiate_decls): Likewise.
5869 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5870 * function.h (instantiate_decl_rtl): Add prototype.
5871 * cfgexpand.c (target.h): New include.
5872 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5873 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5874 (TARGET_INSTANTIATE_DECLS): Likewise.
5875 (TARGET_INITIALIZER): New target hooks added.
5876 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5878 * config/rs6000/rs6000.c (tree-flow.h): New include.
5879 (machine_function): Add sdmode_stack_slot field.
5880 (rs6000_alloc_sdmode_stack_slot): New function.
5881 (rs6000_instantiate_decls): Likewise.
5882 (rs6000_secondary_memory_needed_rtx): Likewise.
5883 (rs6000_check_sdmode): Likewise.
5884 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5885 (TARGET_INSTANTIATE_DECLS): Likewise.
5886 (rs6000_hard_regno_mode_ok): Allow SDmode.
5887 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5888 (rs6000_emit_move): Handle SDmode.
5889 (function_arg_advance): Likewise.
5890 (function_arg): Likewise.
5891 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5892 SDmode var args for 32-bit compiles.
5893 (rs6000_secondary_reload_class): Handle SDmode.
5894 (rs6000_output_function_epilogue): Likewise.
5895 (rs6000_function_value): Simplify if statement.
5896 (rs6000_libcall_value): Likewise.
5897 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5898 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5899 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5900 (movsd_hardfloat): New define_insn.
5901 (movsd_softfloat): Likewise.
5902 (movsd_store): Likewise.
5903 (movsd_load): Likewise.
5904 (extendsddd2): Likewise.
5905 (extendsdtd2): Likewise.
5906 (truncddsd2): Likewise.
5907 (movdd_hardfloat64): Fixup comment.
5908 (UNSPEC_MOVSD_LOAD): New constant.
5909 (UNSPEC_MOVSD_STORE): Likewise.
5911 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5914 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5916 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5917 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5918 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5921 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5924 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5925 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5926 __LONGDOUBLE128 too.
5927 * config/rs6000/aix61.h: New file.
5929 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5931 PR rtl-optimization/34959
5932 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5933 popcount and parity rtxes the same mode as their operand.
5934 Truncate or extend the result to the return value's mode
5937 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5940 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5941 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5942 to GOT_VERSION_REGNUM.
5943 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5944 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5945 * config/mips/mips.c (mips_emit_call_insn): New function.
5946 (mips_call_tls_get_addr): Call mips_expand_call directly.
5947 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5949 (mips16_build_call_stub): Likewise. Return the call insn or null.
5950 (mips_expand_call): Update the call to mips16_build_call_stub
5951 accordingly and a remove redundant condition. Assert that MIPS16
5952 stubs do not use lazy binding. Use mips_emit_call_insn and return
5954 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5956 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5957 (mips_avoid_hazard): Remove hazard_set handling.
5958 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5959 (UNSPEC_RESTORE_GP): ...this.
5960 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5961 (FAKE_CALL_REGNO): Rename to...
5962 (GOT_VERSION_REGNUM): ...this.
5963 (type): Add "ghost" value. Add an associated insn reservation.
5964 (hazard_set): Remove.
5965 (exception_receiver): Rename to...
5966 (restore_gp): ...this and update the unspec identifier accordingly.
5967 (exception_receiver, nonlocal_got_receiver): New expanders.
5968 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5969 FAKE_CALL_REGNO. Remove hazard_set attribute.
5970 (set_got_version, update_got_version): New patterns.
5972 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5975 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5977 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5980 * doc/install.texi2html: Generate gcc-vers.texi.
5982 2008-01-25 DJ Delorie <dj@redhat.com>
5984 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5986 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5988 * config/c4x: Remove directory.
5989 * config.gcc (crx-*, mt-*): Mark obsolete.
5990 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5991 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5992 sh-*-rtemscoff*): Remove cases.
5993 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5994 * real.c (encode_c4x_single, decode_c4x_single,
5995 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5996 c4x_extended_format): Remove.
5997 * real.h (c4x_single_format, c4x_extended_format): Remove.
5998 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6000 (Pragmas): Remove comment about c4x pragmas.
6001 * doc/install.texi (c4x): Remove target-specific instructions.
6002 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6003 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6004 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6005 refer to C4x source files as examples.
6006 (C4X_FLOAT_FORMAT): Remove documentation.
6008 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6010 * config/bfin/bfin.c (override_options): Reorder tests so that
6011 flag_pic gets enabled for -msep-data.
6013 2008-01-25 Richard Guenther <rguenther@suse.de>
6016 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6017 to its bitfield precision if required.
6019 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6022 * tree-nested.c (walk_omp_for): New function.
6023 (convert_nonlocal_reference, convert_local_reference): Call
6024 walk_omp_for on OMP_FOR.
6025 (convert_call_expr): Call walk_body on OMP_FOR's
6026 OMP_FOR_PRE_INIT_BODY.
6028 2008-01-25 Richard Guenther <rguenther@suse.de>
6030 PR tree-optimization/34966
6031 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6032 default defs and PHI_NODEs we have to insert after the
6035 2008-01-24 Nick Clifton <nickc@redhat.com>
6037 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6038 Provide a default definition.
6039 (LIBGCC2_UNITS_PER_WORD): Likewise.
6041 * config/stormy16/stormy16.c: Include df.h for the prototype
6042 for df_regs_ever_live_p.
6043 (xstormy16_expand_builtin_va_start): Convert the stack offset
6044 into a component_ref and then use POINTER_PLUS_EXPR to add it
6045 to the incoming_virtual_args_rtx.
6046 (xstormy16_gimplify_va_arg_expr): Rename to
6047 xstormy16_gimplify_va_arg_expr.
6048 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6049 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6050 xstormy16_gimplify_va_arg_expr.
6051 Fix up some formatting issues.
6053 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6054 Move to predicates.md.
6055 (xs_hi_general_operand): Likewise.
6056 (xs_hi_nonmemory_operand): Likewise.
6057 * config/stormy16/predicates.md:
6058 (xstormy16_carry_plus_operand): New predicate.
6059 (xs_hi_general_operand): New predicate.
6060 (xs_hi_nonmemory_operand): New predicate.
6061 * config/stormy16/stormy16-protos.h:
6062 (xstormy16_carry_plus_operand): Delete prototype.
6063 (xs_hi_general_operand): Likewise.
6064 (xs_hi_nonmemory_operand): Likewise.
6066 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6067 modifiers as they are no longer needed and they can trigger
6068 reload spill failures.
6070 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6071 with a match_operand in order to help reload.
6073 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6074 constraint with 'e' for the 8th alternative as this version of
6075 the mov.w instruction only accepts the lower 8 registers.
6077 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6080 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6081 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6084 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6087 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6089 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6091 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6093 (remove_structure): Update allocations list before removing structure.
6095 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6097 * ipa-struct-reorg.c (is_safe_cond_expr,
6098 create_new_stmts_for_cond_expr): Use integer_zerop function,
6099 that recognize not only zero-pointer, but zero-integer too.
6101 2008-01-25 Ben Elliston <bje@au.ibm.com>
6104 * fixproto: Escape "." in sed expression that strips leading "./".
6106 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6109 * gcc.c (SWITCH_OK): Removed.
6110 (SWITCH_LIVE): Changed to bit.
6111 (SWITCH_FALSE): Likewise.
6112 (SWITCH_IGNORE): Likewise.
6113 (switchstr): Change live_cond to unsigned int.
6114 (process_command): Replace SWITCH_OK with 0.
6115 (do_self_spec): Likewise.
6116 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6117 (give_switch): Likewise.
6118 (used_arg): Likewise.
6119 (do_spec_1): Set the SWITCH_IGNORE bit.
6120 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6121 bits. Set the SWITCH_LIVE bit.
6123 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6125 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6127 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6129 PR tree-optimization/34472
6130 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6131 parameter to a "bool *" and set *DATA to false if there is
6132 an unsafe access. Do not delete the structure here.
6133 (check_cond_exprs): Delete it here instead.
6134 (check_cond_exprs, exclude_cold_structs): Do not increase
6135 I when removing a structure.
6137 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6140 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6141 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6143 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6146 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6147 a fixed vector for stack.
6149 2008-01-24 Ben Elliston <bje@au.ibm.com>
6152 * doc/gcc.texi (Software development): Add a direntry for g++.
6154 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6156 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6157 stale and straggling -fforce-addr comments above.
6159 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6161 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6162 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6164 2008-01-23 Michael Matz <matz@suse.de>
6167 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6170 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6172 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6175 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6177 * config/avr/avr.c (avr_current_arch): New variable.
6178 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6179 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6180 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6181 (avr_override_options): Init 'avr_current_arch'.
6182 (base_arch_s): Move from here...
6183 * config/avr/avr.h (base_arch_s): ... here. Add new members
6184 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6185 'mega' to 'have_jmp_call'.
6186 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6187 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6189 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6191 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6192 MULTILIB_MATCHES): (Ditto.).
6194 2008-01-23 Richard Guenther <rguenther@suse.de>
6197 * cgraphunit.c (cgraph_reset_node): Always mark the node
6198 not reachable if it is not queued already.
6200 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6202 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6203 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6204 (cputype_selected): New static variable.
6205 (bfin_handle_option): Set it if -mcpu is used.
6206 (override_option): Select default set of workarounds if no cpu type
6207 selected on the command line.
6208 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6210 From Michael Frysinger <michael.frysinger@analog.com>
6211 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6212 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6214 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6215 for bf547, bf523, bf524, and bf526.
6216 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6218 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6219 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6220 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6221 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6222 * doc/invoke.texi (Blackfin Options): Document that
6223 -mcpu now accept bf547, bf523, bf524, and bf526.
6225 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6227 PR rtl-optimization/34628
6228 * combine.c (try_combine): Stop and undo after the first combination
6229 if an autoincrement side-effect on the first insn has effectively
6232 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6235 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6236 Offset addresses are not valid for Altivec or paired float modes.
6238 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6241 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6242 if DECL_INITIAL (decl) is error_mark_node.
6245 * c-common.c (handle_vector_size_attribute): Only allow
6246 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6247 the same way as pointer, array etc. types.
6248 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6251 * tree.c (build_type_attribute_qual_variant): Call
6252 build_qualified_type if attributes are equal, but quals are not.
6254 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6257 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6258 * flags.h (warn_strict_aliasing): Remove.
6259 (warn_strict_overflow): Remove.
6260 * opts.c (warn_strict_aliasing): Remove.
6261 (warn_strict_overflow): Remove.
6262 * c-opts.c (c_common_handle_option): -Wall only sets
6263 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6264 (c_common_post_options): Give default values to -Wstrict-aliasing
6265 and -Wstrict-overflow if they are uninitialized.
6266 * common.opt (Wstrict-aliasing): Specify Var and Init.
6267 (Wstrict-overflow): Likewise.
6269 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6271 PR rtl-optimization/26854
6272 PR rtl-optimization/34400
6273 PR rtl-optimization/34884
6274 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6276 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6277 (df_rd_bb_info.expanded_lr_out): Deleted
6278 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6279 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6280 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6281 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6282 Removed code to allocate, initialize or free expanded_lr_out.
6283 (df_rd_bb_local_compute_process_def): Restructured to make more
6285 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6286 sets if the sets are being trimmed.
6288 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6291 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6292 (as_vers): Likewise.
6293 * configure: Regenerated.
6295 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6298 * tree-pass.h (pass_build_alias): New pass.
6299 * tree-ssa-alias.c (gate_build_alias): New.
6300 (pass_build_alias): New.
6301 * passes.c (init_optimization_passes): Add pass_build_alias after
6302 pass_create_structure_vars.
6304 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6306 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6307 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6308 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6309 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6310 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6311 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6312 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6313 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6314 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6315 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6316 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6317 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6318 * config/s390/s390.md (FP_ALL): New mode iterator.
6319 (_d): New mode attribute.
6320 ("*signbit<mode>2>"): Changed mode of first operand.
6321 ("isinf<mode>2"): Changed mode of first operand.
6322 ("*TDC_insn"): Adaptation for DFP modes.
6324 2008-01-22 Ben Elliston <bje@au.ibm.com>
6326 * tree.c (check_qualified_type): Improve function description.
6328 2008-01-21 Jason Merrill <jason@redhat.com>
6331 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6332 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6335 2008-01-21 DJ Delorie <dj@redhat.com>
6337 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6340 2008-01-21 Richard Guenther <rguenther@suse.de>
6343 * tree-cfg.c (verify_expr): Allow all invariant expressions
6344 instead of just constant class ones as reference argument.
6345 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6346 like any other constant.
6347 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6349 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6351 * regmove.c (fixup_match_1): Update call crossed frequencies.
6353 2008-01-21 Richard Guenther <rguenther@suse.de>
6356 * tree-inline.c (setup_one_parameter): Deal with mismatched
6357 types using a VIEW_CONVERT_EXPR.
6359 2008-01-21 Alon Dayan <alond@il.ibm.com>
6360 Olga Golovanevsky <olga@il.ibm.com>
6362 PR tree-optimization/34701
6363 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6364 when the structure size is not a power of 2.
6366 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6368 * doc/install.texi: Add doc for --enable-checking=df.
6370 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6372 PR rtl-optimization/34808
6373 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6375 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6377 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6380 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6382 PR rtl-optimization/26854
6383 PR rtl-optimization/34400
6384 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6386 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6387 (df_rd_bb_info.expanded_lr_out): New.
6388 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6389 * loop_iv.c (iv_analysis_loop_init): Ditto.
6390 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6391 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6392 Added code to allocate, initialize or free expanded_lr_out.
6393 (df_rd_bb_local_compute_process_def): Restructured to make
6394 more understandable.
6395 (df_rd_confluence_n): Add code to do nothing with fake edges and
6396 code to no apply invalidate_by_call sets if the sets are being trimmed.
6397 (df_lr_local_finalize): Renamed to df_lr_finalize.
6398 (df_live_local_finalize): Renamed to df_live_finalize.
6400 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6403 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6404 deciding whether to use reciprocal instructions.
6406 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6408 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6409 dwarf2out_note_section_used if cold_text_section is NULL.
6411 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6413 PR gcov-profile/34610
6414 * tree-cfg.c (make_edges): Mark both outgoing edges from
6415 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6416 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6417 from OMP_FOR and OMP_CONTINUE outgoing edges.
6419 * tree-profile.c (tree_profiling): Return early if
6420 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6422 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6423 from cfun to child_cfun.
6424 * function.h (struct function): Add after_tree_profile bit.
6426 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6428 * config/avr/avr.S (_exit): Disable interrupt.
6430 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6431 Steven Bosscher <stevenb.gcc@gmail.com>
6433 PR rtl-optimization/26854
6434 PR rtl-optimization/34400
6435 * df-problems.c (df_live_scratch): New scratch bitmap.
6436 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6437 (df_live_reset): Clear the proper bitmaps.
6438 (df_live_bb_local_compute): Only process the artificial defs once
6439 since the order is not important.
6440 (df_live_init): Init the df_live sets only with the variables
6441 found live by df_lr.
6442 (df_live_transfer_function): Use the df_lr sets to prune the
6443 df_live sets as they are being computed.
6444 (df_live_free): Free df_live_scratch.
6446 2008-01-18 Ian Lance Taylor <iant@google.com>
6448 * common.opt: Add fmerge-debug-strings.
6449 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6450 flag_merge_debug_strings rather than flag_merge_constants.
6451 * doc/invoke.texi (Option Summary): Mention
6452 -fmerge-debug-strings.
6453 (Debugging Options): Document -fmerge-debug-strings.
6455 2008-01-18 Ian Lance Taylor <iant@google.com>
6458 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6459 (struct tree_function_decl): Add new field operator_new_flag.
6460 * tree-inline.c (expand_call_inline): When inlining a call to
6461 operator new, force the return value to go into a variable, and
6462 set DECL_NO_TBAA_P on that variable.
6463 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6465 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6468 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6469 DWARF2_DEBUGGING_INFO.
6470 (dwarf2out_note_section_used): Ditto. Add prototype.
6471 (have_multiple_function_sections, text_section_used,
6472 cold_text_section_used, *cold_text_sections): Move declarations
6475 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6477 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6478 field and add signal_ra.
6479 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6480 assignments to frame state pc. Move end of stack check after
6481 MD_FALLBACK_FRAME_STATE_FOR.
6482 (uw_update_context_1): Use frame state signal_regs if set, instead
6483 of checking signal_frame flag.
6484 (uw_update_context): Use frame state signal_ra if set.
6485 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6486 * config/xtensa/linux-unwind.h: New file.
6488 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6490 * modulo-sched.c (get_sched_window): Fix comment typo.
6492 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6494 PR tree-optimization/34648
6495 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6497 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6499 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6500 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6502 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6504 PR rtl-optimization/34400
6505 * df-core.c (df_worklist_dataflow_overeager,
6506 df_worklist_dataflow_doublequeue): New functions.
6507 (df_worklist_dataflow): Two different worklist solvers.
6508 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6511 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6514 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6515 and ftree-parallelize-loops.
6517 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6519 PR rtl-optimization/34826
6520 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6522 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6524 * global.c (find_reg): Mark the eh regs as used if necessary.
6525 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6526 * ra.h (struct allocno): no_eh_reg field added. Changed
6527 no_stack_reg type to bitfield.
6529 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6531 * tree.c (substitute_in_expr): Add missing 'break'.
6533 2008-01-17 Richard Guenther <rguenther@suse.de>
6535 PR tree-optimization/34825
6536 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6537 x / x as division to handle.
6539 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6541 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6542 "-pthread" is specified.
6543 * pa-hpux11.h (LIB_SPEC): Likewise.
6545 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6546 Peter Bergner <bergner@vnet.ibm.com>
6548 PR rtl-optimization/33796
6549 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6551 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6553 PR libgfortran/34699
6554 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6556 * pa-hpux10.h (LINK_SPEC): Likewise.
6557 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6559 2008-01-16 Richard Guenther <rguenther@suse.de>
6562 * fold-const.c (fold_convert_const_int_from_int): Do not
6563 set overflow if that occured only because of a sign extension
6564 change when converting from/to a sizetype with the same
6565 precision and signedness.
6567 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6570 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6571 location address to the correct place. Update copyright year.
6573 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6575 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6576 no dependences in the dependence_relations vector.
6578 2008-01-16 Jan Hubicka <jh@suse.cz>
6580 PR rtl-optimization/31396
6581 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6582 * cfg.c (dump_reg_info): Print it.
6583 * regs.h (struct reg_info_t): add freq_calls_crossed.
6584 (REG_FREQ_CALLS_CROSSED): New macro.
6585 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6586 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6587 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6588 regmove_optimize): Update call crossed frequencies.
6589 * local-alloc.c (struct qty): Add freq_calls_crossed.
6590 (alloc_qty): Copute freq_calls_crossed.
6591 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6592 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6593 * ra.h (struct allocno): Add freq_calls_crossed.
6595 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6597 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6598 libgomp when compiling with ftree-parallelize-loops.
6599 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6601 2008-01-16 Richard Guenther <rguenther@suse.de>
6603 PR tree-optimization/34769
6604 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6605 * tree.c (int_cst_value): Instead make this function more
6606 permissive in what it accepts as valid input. Document this
6607 function always sign-extends the value.
6609 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6610 Richard Guenther <rguenther@suse.de>
6613 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6614 (gimple_fold_indirect_ref_rhs): ... this.
6615 (gimple_fold_indirect_ref): New function with foldings
6616 that preserve lvalueness.
6617 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6618 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6619 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6620 to fold an INDIRECT_REF, fall back to the old use of
6621 fold_indirect_ref_1.
6623 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6625 * tree-data-ref.c (subscript_dependence_tester_1): Call
6626 free_conflict_function.
6627 (compute_self_dependence): Same.
6629 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6632 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6633 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6635 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6636 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6637 for DWARF2_UNWIND_INFO targets.
6639 2008-01-16 Richard Guenther <rguenther@suse.de>
6642 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6643 type qualifiers for function types.
6645 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6647 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6648 loop_iterator li from previous commit.
6650 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6652 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6654 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6656 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6657 (parallelize_loops): Don't parallelize irreducible components.
6659 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6662 * c-opts (c_common_post_options): Do not enable CPP
6663 flag_pedantic_errors by default.
6665 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6667 PR rtl-optimization/31944
6668 * cse.c (remove_pseudo_from_table): New function.
6669 (merge_equiv_classes): Use above function to remove pseudo-registers.
6670 (invalidate): Likewise.
6672 2008-01-13 Richard Guenther <rguenther@suse.de>
6675 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6676 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6678 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6680 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6681 validate_change to unshare the source of the PC set.
6683 2008-01-12 Jan Hubicka <jh@suse.cz>
6686 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6687 references above array bounds. This might trigger bounds checks for
6690 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6692 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6693 new_replaceable_dependencies.
6695 2008-01-12 Doug Kwan <dougkwan@google.com>
6697 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6698 instead of OPT_Wreturn_type in warning due to ignored return type
6700 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6701 options included in -Wextra.
6702 * c.opt: New option -Wignored_qualifiers.
6703 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6704 -Wignore_qualifiers.
6705 (-Wignored-qualifiers): Document.
6706 (-Wreturn-type): Remove description of functionality now handled
6707 by -Wignored-qualifiers.
6709 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6712 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6713 NOP_EXPR if it is between integral types with the same precision.
6715 2008-01-12 Jan Hubicka <jh@suse.cz>
6718 * invoke.texi (max-inline-recursive-depth): Fix default value.
6720 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6722 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6725 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6727 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6729 2008-01-11 James E. Wilson <wilson@specifix.com>
6732 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6734 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6736 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6737 save/restore frame pointer register and don't use 'call-prologues'
6738 optimization in function with "OS_task" attribute.
6740 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6743 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6744 when copying to memory.
6746 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6748 PR rtl-optimization/30905
6749 * cfgcleanup.c: Include dce.h
6750 (crossjumps_occured): New global variable.
6751 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6752 If something changed, set crossjumps_occured to true.
6753 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6754 Don't add/remove fake edges to exit here...
6755 (cleanup_cfg): ...but do it here, when crossjumping.
6756 Run a fast DCE when successful crossjumps occured in the latest
6757 iteration of try_optimize_cfg.
6759 2008-01-11 Richard Guenther <rguenther@suse.de>
6761 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6762 (struct vn_unary_op_s): Likewise.
6763 (vn_reference_insert): Free old reference on hash collision.
6765 2008-01-10 Raksit Ashok <raksit@google.com>
6767 PR rtl-optimization/27971
6768 * combine.c (find_split_point): Split PLUS expressions which are
6769 inside a MEM rtx, and whose first operand is complex.
6771 2008-01-10 DJ Delorie <dj@redhat.com>
6773 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6774 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6775 (m32c_hard_regno_ok): Call the underlying function.
6777 2008-01-10 Richard Guenther <rguenther@suse.de>
6780 * tree-cfg.c (tree_merge_blocks): Do not go through the
6781 full-blown folding and stmt updating path if we just deal
6782 with virtual operands.
6783 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6784 test for abnormal SSA_NAMEs.
6786 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6789 * reload.c (push_reload): Add assertions. All constants from
6790 reg_equiv_constant should have been used for replacing the respective
6792 (find_reloads_address): Invoke find_reloads_address_part for
6793 constant taken from the reg_equiv_constant array.
6795 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6797 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6798 field (valnum) the first in the struct. Replace bools with
6801 2008-01-10 Richard Guenther <rguenther@suse.de>
6803 PR tree-optimization/34651
6804 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6805 types and ordering for masking and converting.
6807 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6809 PR tree-optimization/34017
6810 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6811 also for PHI_NODE expressions.
6813 2008-01-09 Jan Hubicka <jh@suse.cz>
6815 PR tree-optimization/34708
6816 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6817 based on number of case labels.
6818 (init_inline_once): Remove switch_cost.
6819 * tree-inline.h (eni_weights_d): Remove switch_cost.
6821 2008-01-09 Richard Guenther <rguenther@suse.de>
6822 Andrew Pinski <andrew_pinski@playstation.sony.com>
6825 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6826 temporary if an rvalue is ok or an lvalue is not required.
6828 2008-01-09 Richard Guenther <rguenther@suse.de>
6831 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6834 2008-01-09 Richard Guenther <rguenther@suse.de>
6837 * tree.c (host_integerp): Check for sizetype only if the
6838 type is an integer type.
6840 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6843 * opts.c (decode_options): Disable inlining of functions called
6844 once if not in unit-at-a-time mode.
6846 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6848 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6850 2008-01-08 Richard Guenther <rguenther@suse.de>
6853 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6854 out early if the result will be unused.
6856 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6861 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6862 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6865 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6867 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6868 for vectorization tuned.
6870 2008-01-08 Richard Guenther <rguenther@suse.de>
6872 PR tree-optimization/34683
6873 * tree-ssa-operands.c (operand_build_cmp): Export.
6874 * tree-ssa-operands.h (operand_build_cmp): Declare.
6875 * tree-vn.c (vuses_compare): Remove.
6876 (sort_vuses): Use operand_build_cmp.
6877 (sort_vuses_heap): Likewise.
6878 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6879 to re-use old VEC if available. Do not sort already sorted VUSEs.
6880 (vdefs_to_vec): Do not sort already sorted VDEFs.
6882 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6885 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6887 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6890 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6891 limitations of reciprocal sequences on x86 targets.
6893 2008-01-08 Richard Guenther <rguenther@suse.de>
6895 PR tree-optimization/34683
6896 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6898 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6901 * config/darwin.c (darwin_mergeable_string_section): Don't use
6902 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6904 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6907 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6908 negxf2. Macroize expander using X87MODEF mode iterator. Change
6909 predicates of op0 and op1 to register_operand.
6910 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6911 expander using X87MODEF mode iterator. Change predicates of
6912 op0 and op1 to register_operand.
6913 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6914 corresponding patterns and macroize using MODEF macro. Change
6915 predicates of op0 and op1 to register_operand and remove
6916 "m" constraint. Disparage "r" alternative with "!".
6917 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6918 macroize using X87MODEF macro. Change predicates of op0 and op1
6919 to register_operand and remove "m" constraint. Disparage "r"
6920 alternative with "!".
6921 (absneg splitter with memory operands): Remove.
6922 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6923 patterns and macroize using X87MODEF mode iterator.
6924 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6925 Change predicate of op1 to register_operand.
6926 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6927 for memory operands.
6929 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6931 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6933 2008-01-07 Richard Guenther <rguenther@suse.de>
6935 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6938 2008-01-07 Richard Guenther <rguenther@suse.de>
6940 PR tree-optimization/34683
6941 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6942 VOPs of the needed size to save memory. Use VEC_quick_push
6943 to save compile-time.
6944 (vdefs_to_vec): Likewise.
6946 2008-01-07 Sa Liu <saliu@de.ibm.com>
6948 * config/spu/spu.md (divdf3): Genetate inline code for double
6949 division. The implementation doesn't handle INF or NAN, therefore it
6950 only applies when -ffinite-math-only is given.
6952 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6955 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6956 * doc/cpp.texi ([Common Predefined Macros]): Document.
6958 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6960 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6961 order to use commutative addition instead of subtraction.
6963 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6964 Mircea Namolaru <namolaru@il.ibm.com>
6965 Vladimir Yanovsky <yanov@il.ibm.com>
6966 Revital Eres <eres@il.ibm.com>
6968 PR tree-optimization/34263
6969 * tree-outof-ssa.c (process_single_block_loop_latch,
6970 contains_tree_r): New functions.
6971 (analyze_edges_for_bb): Call process_single_block_loop_latch
6972 function to empty single-basic-block latch block if possible.
6974 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6976 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6978 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6980 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6982 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6984 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6986 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6988 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6990 PR tree-optimization/34618
6991 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6994 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6997 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6998 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6999 Update copyright year.
7001 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7002 Update copyright year.
7003 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7006 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7008 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7009 edge does not point to current bb before changing need_assert.
7011 2008-01-04 Richard Guenther <rguenther@suse.de>
7014 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7015 for verifying purposes if they are is_gimple_min_invariant.
7017 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7019 PR tree-optimization/34448
7020 PR tree-optimization/34465
7021 * gimplify.c (gimplify_init_constructor): Add new parameter
7022 notify_temp_creation. Use it.
7023 (gimplify_modify_expr_rhs): Take volatiles into account when
7024 optimizing constructors.
7025 Do not optimize constructors if gimplify_init_constructor will dump to
7027 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7028 * gcc.c-torture/compile/pr34448.c: New.
7030 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7032 PR gcov-profile/34609
7033 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7034 return_slot if result is TREE_ADDRESSABLE.
7036 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7038 * config/mips/mips.md (sqrt_condition): Tweak comment.
7039 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7041 2008-01-03 Tom Tromey <tromey@redhat.com>
7044 * c-common.c (c_type_hash): Handle VLAs.
7046 2008-01-03 Jan Hubicka <jh@suse.cz>
7048 PR tree-optimization/31081
7049 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7050 0 when inlining and not inlining to first basic block.
7051 (remap_decl): When var is initialized to 0, don't set default_def.
7052 (expand_call_inline): Set entry_bb.
7053 * tree-inline.h (copy_body_data): Add entry_bb.
7055 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7058 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7061 PR tree-optimization/29484
7062 * tree-inline.c (inline_forbidden_p_2): New function.
7063 (inline_forbidden_p): Disallow inlining if some static var
7064 has an address of a local LABEL_DECL in its initializer.
7065 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7068 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7070 PR tree-optimization/34635
7071 * tree-data-ref.c (add_other_self_distances): Make sure that the
7072 evolution step is constant.
7074 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7077 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7079 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7081 * tree-sra.c (scalarize_init): Insert the generate_element_init
7082 statements after the generate_element_zero statements.
7084 2008-01-02 Richard Guenther <rguenther@suse.de>
7088 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7089 for very large number of operands instead of ICEing.
7091 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7094 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7095 while stack probing.
7097 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7099 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7102 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7105 * tree-mudflap.c (mx_register_decls): Guard warning by
7106 !DECL_ARTIFICIAL check.
7108 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7110 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7111 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7112 sse5_perm<mode>): Fix constraints.