1 2008-04-22 Nick Clifton <nickc@redhat.com>
3 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
4 (frv_expand_builtin_va_start): Likewise.
6 * config/arm/arm.c (thumb_find_work_register): Fix location of
7 argument register count.
9 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
11 Support scheduling for ColdFire V1 and V3 microarchitecture.
12 Improve scheduling of multiplication instructions.
14 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
15 (mac): New instruction attribute.
16 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
17 (m68k_sched_mac): New variable.
18 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
20 (max_insn_size): New static variable.
21 (struct _sched_ib): New type.
22 (sched_ib): New static variable.
23 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
24 to fields of 'struct _sched_ib sched_ib'. Update all uses.
25 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
27 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
28 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
29 new variables. Update.
30 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
31 Add modeling of cfv3 instruction buffer. Update.
32 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
33 * config/m68k/m68k.h (TUNE_CFV3): New macro.
34 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
35 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
36 a particular reservation applies to.
37 (type2): Reorganize attribute values. Rename alu to alu_reg,
38 alu_l to alu, move_l to omove. Join move to alu. Split mul
40 (cf_ib_*): Simplify description of instruction buffer.
41 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
42 (cf_mem): Split into cf_mem1 and cf_mem2.
43 (cf_v2_move_??): Rename to cfv12_alu_??.
44 (cf_v2_move_l_??): Rename to cfv12_omove_??.
45 (cf_v2_mul_??): Remove reservations.
46 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
47 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
48 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
50 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
51 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
52 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
53 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
54 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
55 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
56 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
57 expansions of the above reservations for instructions of sizes
60 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
62 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
64 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
66 * coverage.c: Include tree-pass.h.
67 (coverage_counter_alloc): Print da_file_name to the dump file.
69 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
71 * sbitmap.c (sbitmap_range_empty_p): New function.
72 * sbitmap.h (sbitmap_range_empty_p): New function.
73 * bitmap.h: Now includes obstack.h.
75 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
76 Kenneth Zadeck <zadeck@naturalbridge.com>
78 * dbgcnt.def (ra_byte_scan): Added.
79 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
80 when the last hit happens for a counter.
81 * timevar.def (TV_DF_BYTE_LR): New variable.
82 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
83 * passes.c (pass_fast_rtl_byte_dce): New pass.
84 * fwprop.c (update_df): Added mode to call df_ref_create.
85 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
86 DF_REF_EXTRACT_OFFSET.
87 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
88 DF_BYTE_LR_OUT, df_byte_lr): New macro.
90 (df_ref_extract): Added mode field.
91 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
92 DF_REF_EXTRACT_OFFSET.
93 (DF_REF_EXTRACT_MODE): New macro.
94 (df_byte_lr_bb_info): New structure.
95 (df_print_byte_regset, df_compute_accessed_bytes,
96 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
97 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
98 df_byte_lr_simulate_uses,
99 df_byte_lr_simulate_artificial_refs_at_top,
100 df_byte_lr_simulate_artificial_refs_at_end,
101 df_compute_accessed_bytes): New function.
102 (df_ref_create): Add parameter.
103 (df_byte_lr_get_bb_info): New inline function.
104 * df-scan.c (df_ref_record, df_uses_record,
105 df_ref_create_structure): Added mode parameter.
106 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
107 df_defs_record, df_uses_record, df_get_conditional_uses,
108 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
109 df_entry_block_defs_collect, df_exit_block_uses_collect):
110 Added mode parameter to calls to df_ref_record, df_uses_record,
111 df_ref_create_structure.
112 (df_ref_equal_p, df_ref_compare): Added test for modes.
113 (df_ref_create_structure): Added code to set mode. Renamed
114 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
115 DF_REF_EXTRACT_OFFSET.
116 * df-core.c (df_print_byte_regset): New function.
117 * df-byte-scan.c: New file.
118 * df-problems.c (df_rd_transfer_function): Removed unnecessary
119 calls to BITMAP_FREE.
120 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
121 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
122 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
123 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
124 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
125 df_byte_lr_local_compute, df_byte_lr_init,
126 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
127 df_byte_lr_transfer_function, df_byte_lr_free,
128 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
129 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
130 df_byte_lr_simulate_uses,
131 df_byte_lr_simulate_artificial_refs_at_top,
132 df_byte_lr_simulate_artificial_refs_at_end): New function.
133 * dce.c (byte_dce_process_block): New function.
134 (dce_process_block): au is now passed in rather than computed
135 locally. Changed loops that look at artificial defs to not look
136 for conditional or partial ones, because there never are any.
137 (fast_dce): Now is able to drive byte_dce_process_block or
138 dce_process_block depending on the kind of dce being done.
139 (rest_of_handle_fast_dce): Add parameter to fast_dce.
140 (rest_of_handle_fast_byte_dce): New function.
141 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
142 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
144 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
147 * gcc.h: Added fortran options that take arguments to
148 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
151 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
153 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
154 scalarization if on the LHS and not a full access.
156 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
158 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
160 2008-04-18 Rafael Espindola <espindola@google.com>
162 * tree-vrp.c (find_case_label_index): Fix the binary search.
163 (find_case_label_range): New.
164 (vrp_visit_switch_stmt): Use find_case_label_range.
165 (simplify_switch_using_ranges): Use find_case_label_range.
167 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
169 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
170 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
172 2008-04-18 Tom Tromey <tromey@redhat.com>
175 * doc/cpp.texi (Implementation-defined behavior): Mention
178 2008-04-18 Ian Lance Taylor <iant@google.com>
180 * fold-const.c (pointer_may_wrap_p): New static function.
181 (fold_comparison): Add another test for pointer overflow. Use
182 pointer_may_wrap_p to disable some false positives.
184 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
186 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
187 (fname_as_string): Match updated cpp_interpret_string prototype.
188 (fix_string_type): Support char16_t* and char32_t*.
189 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
190 derivative) nodes. Register as builtin if C++0x.
191 (c_parse_error): Support CPP_CHAR{16,32}.
192 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
193 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
194 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
195 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
196 CTI_CHAR32_ARRAY_TYPE>: New elements.
197 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
198 char32_type_node, signed_char32_type_node, char16_array_type_node,
199 char32_array_type_node): New defines.
200 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
201 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
202 (lex_string): Support CPP_STRING{16,32}, match updated
203 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
204 (lex_charconst): Support CPP_CHAR{16,32}.
205 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
206 and CPP_STRING{16,32}.
208 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
211 * aclocal.m4: Regenerate.
212 * configure: Regenerate.
214 2008-04-18 Jan Hubicka <jh@suse.cz>
216 * except.c (dw2_size_of_call_site_table,
217 sjlj_size_of_call_site_table): Use vector API for call_site_record.
219 * cgraphbuild.c (build_cgraph_edges): Update.
220 * tree-pass.h: Update comment.
221 * final.c (leaf_function_p): Update.
222 (leaf_renumber_regs): Update.
223 (rest_of_clean_state): Update.
224 * omp-low.c (expand_omp_parallel): Update.
225 * ipa-reference.c (analyze_function): Update.
226 * reorg.c (find_end_label): Update.
227 (optimize_skip): Update.
228 (fill_simple_delay_slots): Update.
229 (fill_simple_delay_slots): Update.
230 (make_return_insns): Update.
231 (dbr_schedule): Update.
232 * gimple-low.c (record_vars_into): Update.
233 * cfgbuild.c (make_edges): Update.
234 * function.c (assign_stack_local): Update.
235 (assign_parm_adjust_stack_rtl): Update.
236 (locate_and_pad_parm): Update.
237 (allocate_struct_function): Do not initialize stack_alignment_needed
238 and preferred_stack_boundary here.
239 (stack_protect_prologue): Update.
240 (stack_protect_epilogue): Update.
241 (expand_function_start): Initialize stack_alignment_needed,
242 preferred_stack_boundary and max_jumptable_ents.
243 (expand_function_end): Update.
244 (free_after_compilation): Do not NULLify epilogue_delay_list.
245 * function.h (struct rtl_data): Add stack_protect_guard,
246 stack_alignment_needed,
247 preferred_stack_boundary, epilogue_delay_list.
248 (struct function): Remove value_histograms, stack_alignment_needed,
249 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
251 unexpanded_var_list, stack_protect_guard.
252 (current_function_epilogue_delay_list): Remove.
253 * ipa-type-escape.c (analyze_function): Update.
254 * gimplify.c (pop_gimplify_context): Update comment.
255 * calls.c (expand_call): Update.
256 (emit_library_call_value_1): Update.
257 * except.c (set_nothrow_function_flags): Update.
258 * cfgexpand.c (get_decl_align_unit): Update.
259 (create_stack_guard): Update.
260 (estimated_stack_frame_size): Update.
261 (expand_used_vars): Update.
262 (tree_expand_cfg): Free histogram earliers, init expansion variables.
263 * explow.c (allocate_dynamic_stack_space): Update.
264 * tree-ssa-live.c (remove_unused_locals): Update.
265 * varasm.c (mark_constant_pool): Update.
266 * tree-inline.c (remap_decls): Update.
267 (initialize_cfun): Update.
268 (declare_return_variable): Update.
269 (inline_forbidden_p): Update.
270 (expand_call_inline): Update.
271 (declare_inline_vars): Update.
272 (tree_function_versioning): Update.
273 * tree-flow.h (value_histograms): New.
274 (VALUE_HISTOGRAMS): New macro.
275 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
277 * tree-cfg.c (set_bb_for_stmt): Update.
278 (replace_by_duplicate_decl): Update.
279 (move_block_to_fn): Update.
280 (new_label_mapper): Update.
281 (dump_function_to_file): Update.
282 * ipa-struct-reorg.c (build_data_structure): Update.
283 * cfgrtl.c (print_rtl_with_bb): Update.
284 * reload1.c (reload): Update.
286 * config/i386/i386.c (setup_incoming_varargs_64,
287 ix86_compute_frame_layout): Update.
288 * config/arc/arc.c (arc_output_function_epilogue): Update.
290 2008-04-18 Marius Strobl <marius@FreeBSD.org>
292 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
294 * gthr-posix95.h: Likewise.
296 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
298 PR rtl-optimization/35838
299 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
300 out the byte offset of the first subreg.
302 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
304 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
305 to split_ti instead of three separate calls with single member arrays.
306 (subti3 splitter): Ditto.
307 (adddi3 splitter): Ditto with split_di.
308 (subdi3 splitter): Ditto.
309 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
310 two separate calls with single member arrays. Swap match_dup
311 operands 1 and 2 to better fit into the array.
312 (negdi2 splitter): Ditto with split_di.
313 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
314 two separate calls with single member arrays. Swap match_dup operands
315 6 and 7 to better fit into the array.
317 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
319 * config/i386/i386.c (sse_builtin_type): New.
320 (bdesc_sse_args): Likewise.
321 (bdesc_sse_3arg): Removed.
322 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
323 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
324 IX86_BUILTIN_ROUNDPS.
325 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
326 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
327 IX86_BUILTIN_ROUNDPS.
328 (ix86_expand_sse_4_operands_builtin): Removed.
329 (ix86_expand_sse_operands_builtin): New.
330 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
331 and CODE_FOR_sse4_1_roundps.
332 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
333 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
335 2008-04-17 Alan Modra <amodra@bigpond.net.au>
338 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
339 regs before frame pop when needed. If use_backchain_to_restore_sp
340 then load backchain into a temp reg to restore vr and vrsave. Add
341 code to restore vr after frame pop if possible.
343 2008-04-17 Richard Guenther <rguenther@suse.de>
345 * tree-vn.c (expressions_equal_p): Do not check type
346 equality or compatibility before calling operand_equal_p.
347 * fold-const.c (operand_equal_p): Check equivalence of
348 integer constants before bailing out due to signedness or
349 precision differences.
350 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
351 spurious differences in type qualification. Ignore types
352 for COMPONENT_REFs at all.
354 2008-04-17 Christian Bruel <christian.bruel@st.com>
356 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
359 2008-04-16 Jakub Jelinek <jakub@redhat.com>
362 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
365 PR tree-optimization/35899
366 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
367 rather than TREE_OPERAND.
369 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
372 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
373 temporary registers. Change operand predicate to general_operand.
374 (remainderxf3): Ditto.
376 2008-04-16 Richard Guenther <rguenther@suse.de>
378 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
379 * tree-affine.c (aff_combination_expand): Look through some
382 2008-04-15 Doug Kwan <dougkwan@google.com>
384 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
386 * tree-pretty-print.c (dump_generic_node): Ditto.
387 * final.c (output_addr_const): Ditto.
388 * dwarf2out.c (output_cfi): Ditto.
389 * c-pretty-print.c (pp_c_integer_constant): Ditto.
390 * print-rtl.c (print_rtx): Ditto.
391 * print-tree.c (print_node_brief, print_node): Ditto.
392 * c-common.c (match_case_to_enum_1): Ditto.
393 * sched-vis.c (print_value): Ditto.
394 * config/i386/i386.c (print_operand): Cast to long unsigned int
397 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
398 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
399 MS Windows VirtualProtect function.
401 2008-04-15 Jan Hubicka <jh@suse.cz>
403 * gengtype.c (write_root): Param_is argument is OK.
404 * expr.c (expand_expr_real_1): Update call of get_exception_*.
405 * function.h: Include varray.h
406 (rtl_eh): New stucture based on except.c one.
407 (call_site_record): New forward declaration and vector type.
408 * calls.c (emit_call_1): Do not call
409 note_current_region_may_contain_throw.
410 * except.c (eh_status): Remove cur_region, try_region since they are
412 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
413 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
414 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
415 Remove call_site_data_used, call_site_data_size.
416 Turn call_site_record into vector in function.h.
417 (note_current_region_may_contain_throw): Remove.
418 (get_exception_pointer, get_exception_filter): Do not take struct
419 function argument; update.
420 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
421 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
422 build_post_landing_pads, dw2_build_landing_pads,
423 sjlj_assign_call_site_values, sjlj_mark_call_sites,
424 sjlj_emit_function_enter, sjlj_emit_function_enter,
425 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
426 sjlj_build_landing_pads, finish_eh_generation,
427 remove_exception_handler_label, remove_eh_handler,
428 maybe_remove_eh_handler, add_reachable_handler,
429 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
430 add_action_record, collect_one_action_chain, add_call_site,
431 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
432 sjlj_output_call_site_table, output_function_exception_table,
433 * except.h (note_current_region_may_contain_throw): Remove
434 (get_exception_pointer, get_exception_filter): Do not take struct
436 * Makefile.in (GTFILES): Put varargs before struct function.
438 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
440 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
442 (get_constraint_for): Deal with STRING_CST here instead.
444 2008-04-15 Richard Guenther <rguenther@suse.de>
446 * tree-ssa-propagate.c (substitute_and_fold): Substitute
447 statements in a basic-block with a backward walk. Do not
448 substitute into dead statements but instead remove those.
450 2008-04-15 Richard Guenther <rguenther@suse.de>
452 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
453 to zero, thus disable creation of SFTs.
455 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
457 * tree-predcom.c (suitable_reference_p): Return false if the
460 2008-04-15 Jakub Jelinek <jakub@redhat.com>
463 * c-decl.c (finish_decl): If extern or static var has variable
464 size, set TREE_TYPE (decl) to error_mark_node.
466 2008-04-15 Rafael Espindola <espindola@google.com>
468 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
471 2008-04-15 Richard Guenther <rguenther@suse.de>
473 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
474 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
475 (visit_reference_op_load): Do walk vuse-vdef chains on
477 (visit_reference_op_store): But do not here.
478 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
480 (vn_lookup_with_vuses): But do so here.
482 2008-04-14 Ian Lance Taylor <iant@google.com>
484 * fold-const.c (fold_overflow_warning): Remove assertion.
486 2008-04-15 Ben Elliston <bje@au.ibm.com>
488 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
489 temp1 local variables.
491 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
494 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
495 ".text.unlikely" section as executable.
497 2008-04-14 James E. Wilson <wilson@tuliptree.org>
499 * config/ia64/ia64.c (rtx_needs_barrier): Handle
500 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
501 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
502 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
503 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
504 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
505 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
507 2008-04-14 Ian Lance Taylor <iant@google.com>
509 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
510 * fold-const.c (fold_comparison): If appropriate, test
511 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
512 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
513 reassociating a pointer type.
514 * doc/invoke.texi (Optimize Options): Document that
515 -fstrict-overflow applies to pointer wraparound.
517 2008-04-13 Jan Hubicka <jh@suse.cz>
519 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
521 2008-04-12 Andrew Pinski <pinskia@gmail.com>
523 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
524 we are going to "save the world".
526 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
528 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
529 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
530 operand 0 constraint, not "=".
532 2008-04-11 James E. Wilson <wilson@tuliptree.org>
534 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
536 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
538 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
539 of size of positions_needed * CHAR_BIT.
541 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
544 * dse.c (store_info): Change positions_needed to unsigned
546 (lowpart_bitmask): New.
547 (record_store): Cast to unsigned HOST_WIDE_INT for
548 positions_needed. Assert width <= size of positions_needed *
549 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
550 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
551 lowpart_bitmask to set mask.
553 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
555 * config/bfin/constraints.md: New file.
556 * config/bfin/bfin.md: Include it.
557 (adddi3): Use satisfies_constraint functions instead of the old macros.
558 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
559 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
560 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
561 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
562 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
563 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
564 EXTRA_CONSTRAINT): Delete.
565 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
566 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
568 * config/bfin/bfin.c: Include "tm-constrs.h".
569 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
570 Use satisfies_constraint functions instead of the old macros.
571 * doc/md.texi (Blackfin Constraints): Update file name reference.
573 2008-04-11 Richard Guenther <rguenther@suse.de>
575 PR tree-optimization/35869
576 * tree-vrp.c (execute_vrp): Move switch statement update after
577 jump threading. Schedule another cfg cleanup run.
579 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
582 * attribs.c (decl_attributes): Return early on errorneous node.
584 2008-04-10 Oleg Ryjkov <olegr@google.com>
586 * tree.h (struct tree_base): Added a new flag default_def_flag.
587 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
589 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
591 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
593 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
596 * pa.md: Define mode iterator P. Define mode attribute dwc.
597 (dcacheflush): Update pattern to use iterator P and attribute dwc.
598 (icacheflush): Likewise.
599 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
600 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
602 2008-04-11 Ben Elliston <bje@au.ibm.com>
604 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
606 2008-04-10 Rafael Espindola <espindola@google.com>
608 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
609 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
610 (extract_range_from_expr): The same.
612 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
614 * config/mips/mips.md (GPR2): New mode iterator.
616 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
617 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
618 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
619 Rewrite these to take two modes, the mode of comparison and the
620 mode of the destination.
621 * config/mips/mips.c (mips_expand_scc): Instead of having
622 paradoxical subreg as destination, expand "narrowing" scc if mode
623 of comparison is SI and target is requested in DI mode.
624 (mips_emit_int_order_test): Update comment. Make mode of
625 comparison match CMP0 rather than TARGET. When creating inverse
626 target use mode of TARGET.
628 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
630 * gcov-dump.c (tag_summary): Only print summaries for the first
631 GCOV_COUNTERS_SUMMABLE counters.
633 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
635 * config/i386/i386.md (absneg): New code iterator.
636 (absnegprefix): New code attribute.
637 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
638 patterns using absneg code iterator.
639 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
640 using absneg code iterator.
641 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
642 *neg<mode>2 patterns using absneg code iterator.
643 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
644 *negextendsfdf2 patterns using absneg code iterator.
645 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
646 *negextendsfxf2 patterns using absneg code iterator.
647 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
648 *negextendsfdf2 patterns using absneg code iterator.
649 * config/i386/sse.md (<code><mode>2): Macroize expander from
650 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
652 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
654 * config/s390/s390.h: Remove the remains of the recent search
655 & replace action of current_function_outgoing_args_size.
657 2008-04-10 Ira Rosen <irar@il.ibm.com>
659 PR tree-optimization/35821
660 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
661 NEW_STMT_LIST is not NULL.
663 2008-04-09 David Edelsohn <edelsohn@gnu.org>
666 * toplev.c (process_options): Remove -ffunction-sections debugging
669 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
671 PR middle-end/PR28690
672 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
673 than gen_rtx_fmt_ee to perform more canonicalizations.
675 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
678 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
680 2008-04-09 Richard Guenther <rguenther@suse.de>
682 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
683 (dump_function_to_file): Dump function arguments with types.
685 2008-04-08 Richard Guenther <rguenther@suse.de>
687 * fold-const.c (fold_widened_comparison): Do not allow
688 sign-changes that change the result.
690 2008-04-08 Janis Johnson <janis187@us.ibm.com>
693 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
694 kinds of indirect references.
696 2008-04-08 David Edelsohn <edelsohn@gnu.org>
698 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
699 GNU Fortran language string.
701 2008-04-08 Rafael Espindola <espindola@google.com>
703 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
704 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
705 * tree.h (tree_call_nonnegative_warnv_p): New.
707 2008-04-08 Jan Hubicka <jh@suse.cz>
709 * function.c (free_after_compilation): Clear out regno_reg_rtx
712 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
715 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
717 PR middle-end/PR28690
718 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
719 same precedence as REG_POINTER and MEM_POINTER operands.
721 2008-04-08 Richard Guenther <rguenther@suse.de>
724 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
725 for adding index to base.
727 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
729 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
730 (MINGW_ENABLE_EXECUTE_STACK): New.
731 (IN_LIBGCC2): For libgcc include windows.h file for
732 function declarations.
734 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
736 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
737 and tem2 if tem1 is not a REG or MULT.
739 2008-04-08 Jan Hubicka <jh@suse.cz>
741 * function.h (incomming_args): Break out of struct function.
742 (function_subsections): Break out of struct function.
743 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
744 return_rtx and hard_reg_initial_vals from struct function.
745 Kill inl_max_label_num.
746 (current_function_pops_args, current_function_args_info,
747 current_function_args_size, current_function_args_size,
748 current_function_pretend_args_size,
749 current_function_outgoing_args_size,
750 current_function_internal_arg_pointer, current_function_return_rtx):
751 Kill compatibility accestor macros.
752 * builtins.c (expand_builtin_apply_args_1): Update.
753 (expand_builtin_next_arg): Update.
754 * df-scan.c (df_get_call_refs): Update.
755 * dbxout.c (dbxout_function_end): Update.
756 * dwarf2out.c (dwarf2out_switch_text_section): Update.
757 (output_line_info): Update.
758 (secname_for_decl): Update.
759 (dwarf2out_var_location): Update.
760 * function.c (free_after_compilation): Update.
761 (assign_parm_find_stack_rtl): Update.
762 (assign_parms): Update.
763 (expand_dummy_function_end): Update.
764 (expand_function_end): Update.
765 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
766 (expand_call): Update.
767 (emit_library_call_value_1): Update.
768 (store_one_arg): Update.
769 * varasm.c (initialize_cold_section_name): Update.
770 (unlikely_text_section): Update.
771 (unlikely_text_section_p): Update.
772 (assemble_start_function): Update.
773 (assemble_end_function): Update.
774 (default_section_type_flags): Update.
775 (switch_to_section): Update.
776 * integrate.c (set_decl_abstract_flags): Update.
777 (get_hard_reg_initial_val): Update.
778 (has_hard_reg_initial_val): Update.
779 (allocate_initial_values): Update.
780 * resource.c (init_resource_info): Update.
781 * config/alpha/alpha.c (NUM_ARGS): Update.
782 (direct_return): Update.
783 (alpha_va_start): Update.
784 (alpha_sa_size): Update.
785 (alpha_initial_elimination_offset): Update.
786 (alpha_expand_prologue): Update.
787 (alpha_start_function): Update.
788 (alpha_expand_epilogue): Update.
789 (unicosmk_initial_elimination_offset):
790 * config/alpha/alpha.md (call expander): Update.
791 * config/s390/s390.c (s390_register_info): Update.
792 (s390_register_info): Update.
793 (s390_frame_info): Update.
794 (s390_initial_elimination_offset): Update.
795 (s390_build_builtin_va_list): Update.
796 (s390_va_start): Update.
797 * config/spu/spu.c (direct_return): Update.
798 (spu_expand_prologue): Update.
799 (spu_initial_elimination_offset): Update.
800 (spu_build_builtin_va_list): Update.
801 (spu_va_start): Update.
802 * config/sparc/sparc.c (sparc_init_modes): Update.
803 (sparc_compute_frame_size): Update.
804 (function_value): Update.
805 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
806 * config/i386/i386.md (return expander): Update.
807 * config/i386/i386.c (ix86_va_start): Update.
808 (ix86_can_use_return_insn_p): Update.
809 (ix86_compute_frame_layout): Update.
810 (ix86_expand_epilogue): Update.
811 * config/sh/sh.c (output_stack_adjust): Update.
812 (calc_live_regs): Update.
813 (sh_expand_prologue): Update.
814 (sh_builtin_saveregs): Update.
815 (sh_va_start): Update.
816 (initial_elimination_offset): Update.
817 (sh_allocate_initial_value): Update.
818 (sh_function_ok_for_sibcall): Update.
819 (sh_get_pr_initial_val): Update.
820 * config/sh/sh.md (return expander): Update.
821 * config/avr/avr.c (frame_pointer_required_p): UPdate.
822 * config/crx/crx.c (crx_compute_frame): UPdate.
823 (crx_initial_elimination_offset): UPdate.
824 * config/xtensa/xtensa.c (compute_frame_size): Update
825 (xtensa_builtin_saveregs): Update.
826 (xtensa_va_start): Update.
827 (order_regs_for_local_alloc): Update.
828 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
829 (xstormy16_expand_builtin_va_start): Update.
830 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
831 * config/m68hc11/m68hc11.md (return expanders): Update.
832 * config/m68hc11/m68hc11.c (expand_prologue): Update.
833 (expand_epilogue): Update.
834 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
835 (cris_simple_epilogue): Update.
836 (cris_expand_prologue): Update.
837 (cris_expand_epilogue): Update.
838 * config/iq2000/iq2000.c (iq2000_va_start): Update.
839 (compute_frame_size): Update.
840 * config/mt/mt.c (mt_compute_frame_size): Update.
841 * config/mn10300/mn10300.c (expand_prologue): Update.
842 (expand_epilogue): Update.
843 (initial_offset): Update.
844 (mn10300_builtin_saveregs):
845 * config/mn10300/mn10300.md (return expander): Update.
846 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
847 (ia64_initial_elimination_offset): Update.
848 (ia64_initial_elimination_offset): Update.
849 (ia64_expand_prologue): Update.
850 * config/m68k/m68k.md (return expander): Update.
851 * config/rs6000/rs6000.c (rs6000_va_start): Update.
852 (rs6000_stack_info): Update.
853 * config/mcore/mcore.c (layout_mcore_frame): Update.
854 (mcore_expand_prolog): Update.
855 * config/arc/arc.c (arc_compute_frame_size): Update.
856 * config/score/score3.c (score3_compute_frame_size): Update.
857 * config/score/score7.c (score7_compute_frame_size): Update.
858 * config/arm/arm.c (use_return_insn): Update.
859 (thumb_find_work_register): Update.
860 (arm_compute_save_reg_mask): Update.
861 (arm_output_function_prologue): Update.
862 (arm_output_epilogue): Update.
863 (arm_size_return_regs): Update.
864 (arm_get_frame_offsets): Update.
865 (arm_expand_prologue): Update.
866 (thumb_exit): Update.
867 (thumb_unexpanded_epilogue): Update.
868 (thumb1_output_function_prologue): Update.
869 * config/pa/pa.md (return expander): Update.
870 * config/pa/pa.c (compute_frame_size): Update.
871 (hppa_builtin_saveregs): Update.
872 * config/mips/mips.c (mips_va_start): Update.
873 (mips16_build_function_stub): Update.
874 (mips_compute_frame_info): Update.
875 (mips_restore_gp): Update.
876 (mips_output_function_prologue): Update.
877 (mips_expand_prologue): Update.
878 * config/v850/v850.c (compute_frame_size): Update.
879 (expand_prologue): * config/mmix/mmix.c (along): update.
880 (mmix_initial_elimination_offset): update.
881 (mmix_reorg): update.
882 (mmix_use_simple_return): update.
883 (mmix_expand_prologue): update.
884 (mmix_expand_epilogue): Update.
885 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
886 (emit_link_insn): Update.
888 2008-04-08 Anatoly Sokolov <aesok@post.ru>
890 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
891 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
893 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
896 2008-04-07 Jan Hubicka <jh@suse.cz>
898 * function.h (rtl): Rename to x_rtl.
900 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
901 frame_offset, stack_check_probe_note, arg_pointer_save_area,
902 used_temp_slots avail_temp_slots, temp_slot_level,
903 nonlocal_goto_handler_labels): Update accesstors.
904 (rtl): New global variable.
905 (struct function): Move some fileds to rtl_data.
906 (get_arg_pointer_save_area): Update prototype.
907 * builtins.c (expand_builtin_setjmp_receiver): Update call of
908 get_arg_pointer_save_area.
909 * expr.c (init_expr): Update
910 * function.c (get_frame_size): Update
911 (assign_stack_local): Update
912 (expand_function_end): Update.
913 (get_art_pointer_save_area): Update
915 * emit-rtl.c (rtl): Declare.
916 (regno_reg_rtx): Declare.
917 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
919 (gen_reg_rtx): Update.
920 * varasm.c (n_deferred_constatns): Update accestor.
921 (init_varasm_status): Do not allocate varasm_status.
922 (force_const_mem, get_pool_size, output_constant_pool): Update.
923 * stmt.c (force_label_rtx): Do not use x_ prefixes.
924 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
925 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
926 * sparc/sparc.h (INIT_EXPANDERS): Update.
927 * ia64/ia64.h (INIT_EXPANDERS): Update.
929 2008-04-07 James E. Wilson <wilson@tuliptree.org>
931 * reload.c (push_secondary_reload): Add missing break to for loop.
933 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
935 PR middle-end/PR28690
936 * rtlanal.c: Update copyright years.
937 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
938 as REG_POINTER and MEM_POINTER operands.
939 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
940 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
941 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
942 * gcse.c: Update copyright years.
943 (pre_delete): Call gen_reg_rtx_and_attrs.
944 (hoist_code): Likewise.
945 (build_store_vectors): Likewise.
946 (delete_store): Likewise.
947 * loop-invariant.c (move_invariant_reg): Likewise.
948 Update copyright years.
950 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
952 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
953 control string instead of quoted.
955 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
957 * doc/rtl.texi: Rewrite of subreg section.
959 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
962 * config/i386/i386.c (legitimize_pic_address): Add treating
963 of dllimport SYM_REF's.
964 (legitimize_dllimport_symbol): Add prototype.
966 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
968 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
969 reference in constructor with non self-referential type.
971 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
973 Removal of Return with Depressed Stack Pointer support
974 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
975 (ECF_SP_DEPRESSED): Likewise.
976 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
977 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
978 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
979 (expand_call): Do not test ECF_SP_DEPRESSED.
980 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
981 * function.c (keep_stack_depressed): Delete.
982 (handle_epilogue_set): Likewise.
983 (update_epilogue_consts): Likewise.
984 (emit_equiv_load): Likewise.
985 (thread_prologue_and_epilogue_insns): Remove support for Return with
986 Depressed Stack Pointer.
987 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
989 2008-04-06 Richard Guenther <rguenther@suse.de>
991 PR tree-optimization/35400
992 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
993 information from SSA_NAMEs.
995 2008-04-06 Anatoly Sokolov <aesok@post.ru>
997 * config/avr/avr.h (avr_mega_p): Remove declaration.
998 (AVR_MEGA): Remove macro.
999 * config/avr/avr.c (avr_mega_p): Remove variable.
1000 (avr_override_options): Remove inicializion of avr_mega_p.
1001 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1002 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1003 (avr_jump_mode): (Ditto.).
1004 (avr_output_progmem_section_asm_op): (Ditto.).
1005 (avr_asm_init_sections): (Ditto.).
1006 (avr_asm_init_sections): (Ditto.).
1007 (avr_rtx_costs): (Ditto.).
1008 * config/avr/avr.md: (Ditto.).
1009 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1012 2008-04-06 Richard Guenther <rguenther@suse.de>
1014 PR tree-optimization/35842
1015 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1016 is_gimple_invariant_address.
1018 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1020 * gcc.c (default_compilers): Sync Fortran extensions list with
1021 that in fortran/lang-specs.h.
1022 * doc/invoke.texi: Likewise.
1023 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1024 * dwarf2out.c (gen_compile_unit_die): Likewise.
1026 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1028 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1030 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1033 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1034 attribute is used for nested functions.
1036 2008-04-05 Jan Hubicka <jh@suse.cz>
1038 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1040 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1042 (dump_files): Update.
1043 (enable_rtl_dump_file): Do not accept letter argument.
1044 * tree-pass.h (dump_file_info): Remove letter argument.
1045 * toplev.c (decode_d_option): Update -da handling.
1046 * toplev.h (enable_rtl_dump_file): Update prototype.
1047 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1048 it out based on pass type.
1049 (register_dump_files_1): Likewise.
1050 (init_optimization_passes): Update register_one_dump_file calls.
1051 (execute_one_pass): Sanity check that IPA passes are called at IPA
1052 level and RTL passes at RTL level.
1053 (execute_pass_list): IPA pass can not be after or subpass of
1055 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1056 disallov RTL subpasses of IPA subpasses.
1058 2008-04-05 Ben Elliston <bje@au.ibm.com>
1060 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1061 builtins that return exactly once and do not throw. Cache call to
1064 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1066 PR rtl-optimization/34916
1068 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1069 between instruction pairs.
1071 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1073 * doc/invoke.texi: Document -mbitops for SH.
1074 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1075 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1076 * config/sh/sh.c (print_operand): Add %t operand code.
1077 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1078 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1079 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1080 (extendqihi2): Likewise.
1081 (movqi_i): Likewise.
1082 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1083 (extv): Use bld instruction for SH2A if possible.
1085 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
1086 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
1087 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
1088 (bset.b, bclr.b): Define peepholes.
1089 * config/sh/sh.opt (mbitops): New option.
1091 2008-04-04 Janis Johnson <janis187@us.ibm.com>
1094 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
1095 and view convert expression.
1097 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1100 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1102 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
1104 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
1106 * config/i386/cpuid.h (bit_AES): New.
1107 (bit_PCLMUL): Likewise.
1109 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
1110 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
1111 SSE2 if AES or PCLMUL is enabled.
1112 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
1113 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1114 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
1115 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
1116 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
1117 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
1118 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1119 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
1120 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
1121 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
1122 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
1123 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
1124 __builtin_ia32_aeskeygenassist128 and
1125 __builtin_ia32_pclmulqdq128.
1126 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
1127 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
1128 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
1130 * config/i386/i386.h (TARGET_AES): New.
1131 (TARGET_PCLMUL): Likewise.
1132 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
1134 * config/i386/i386.md (UNSPEC_AESENC): New.
1135 (UNSPEC_AESENCLAST): Likewise.
1136 (UNSPEC_AESDEC): Likewise.
1137 (UNSPEC_AESDECLAST): Likewise.
1138 (UNSPEC_AESIMC): Likewise.
1139 (UNSPEC_AESKEYGENASSIST): Likewise.
1140 (UNSPEC_PCLMUL): Likewise.
1142 * config/i386/i386.opt (maes): New.
1143 (mpclmul): Likewise.
1145 * config/i386/sse.md (aesenc): New pattern.
1146 (aesenclast): Likewise.
1148 (aesdeclast): Likewise.
1150 (aeskeygenassist): Likewise.
1151 (pclmulqdq): Likewise.
1153 * config/i386/wmmintrin.h: New.
1155 * doc/extend.texi: Document AES and PCLMUL built-in function.
1157 * doc/invoke.texi: Document -maes and -mpclmul.
1159 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
1161 * function.c (free_after_parsing): Replace with
1162 cxx_push_function_context from C++ front-end.
1163 (allocate_struct_function): Don't call langhook.
1164 * langhooks.h (struct lang_hooks_for_functions): Delete.
1165 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
1167 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
1168 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
1169 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1170 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
1171 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
1172 remove LANG_HOOKS_FUNCTION_INITIALIZER.
1173 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
1175 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
1176 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
1178 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1181 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
1184 2008-04-04 Richard Guenther <rguenther@suse.de>
1187 * fold-const.c (optimize_minmax_comparison): Use the correct
1188 type for the constant in the simplified comparison.
1190 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
1192 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
1193 Pass L2 size as "--param l2-cache-size" to the compiler.
1194 (decode_l2_cache): New function to decode L2 cache parameters using
1195 0x8000006 extended cpuid function.
1196 (detect_caches_amd): Determine parameters of L2 cache using
1197 decode_l2_caches function.
1198 (decode_caches_intel): Decode L2 cache parameters.
1199 (detect_caches_intel): Determine L2 cache parameters using
1200 decode_caches_intel and decode_l2_caches functions.
1202 2008-04-03 Bob Wilson <bob.wilson@acm.org>
1204 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
1205 secondary input reload for subword loads from the constant pool.
1207 2008-04-03 Janis Johnson <janis187@us.ibm.com>
1210 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
1211 constants of the appropriate size for runtime calculations.
1214 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
1215 decimal-float literal constant zero.
1217 2008-04-03 Jakub Jelinek <jakub@redhat.com>
1220 * c-parser.c (c_parser_omp_atomic): Call
1221 default_function_array_conversion on the RHS.
1224 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
1225 call is_variable_sized if decl has incomplete type.
1227 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
1229 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
1231 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
1233 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
1235 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
1236 (sgt<u>): Merge sgt and sgtu into new expander.
1237 (sgt, sgtu): Remove expanders.
1238 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
1239 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
1240 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
1241 *sgtu_<mode>_mips16 into new pattern.
1242 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
1243 (sge<u>): Merge sge and sgeu into new expander.
1244 (sge, sgeu): Remove expanders.
1245 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
1247 (*sge_<mode>, second *sge_<mode>): Remove patterns.
1248 (slt<u>): Merge slt and sltu into new expander.
1249 (slt, sltu): Remove expanders.
1250 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
1251 (*slt_<mode>, *sltu_<mode>): Remove patterns.
1252 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
1253 *sltu_<mode>_mips16 into new pattern.
1254 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
1255 (sle<u>): Merge sle and sleu into new expander.
1256 (sle, sleu): Remove expanders.
1257 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
1258 (*sle_<mode>, *sleu_<mode>): Remove patterns.
1259 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
1260 *sleu_<mode>_mips16 into new pattern.
1261 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
1263 2008-04-03 Jan Hubicka <jh@suse.cz>
1265 PR tree-optimization/35795
1266 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
1267 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1268 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1269 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1270 * score/score3.c (score3_output_mi_thunk): Likewise.
1271 * score/score7.c (score7_output_mi_thunk): Likewise.
1272 * mips/mips.c (mips_output_mi_thunk): Likewise.
1274 2008-04-03 Richard Guenther <rguenther@suse.de>
1276 * tree-vrp.c (extract_range_from_unary_expr): Handle all
1277 conversions. Simplify code.
1279 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
1281 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
1283 2008-04-03 Tom Tromey <tromey@redhat.com>
1284 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1286 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1287 * config/bfin/t-bfin-linux (generated_files): Add
1288 linux-sysroot-suffix.h.
1289 * doc/install.texi (Prerequisites): Require make 3.80.
1290 * doc/sourcebuild.texi (Front End Directory): Document new
1292 * Makefile.in (generated_files): New variable.
1293 (ALL_HOST_OBJS): New variable.
1294 ($(ALL_HOST_OBJS)): New target.
1296 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1298 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
1299 (remap_block): Call id->transform_lang_insert_block instead
1301 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
1302 Set id.transform_lang_insert_block to NULL.
1303 (clone_body): Move to cp/optimize.c
1304 * tree-inline.h (struct copy_body_data): Change
1305 transform_lang_insert_block to function pointer.
1306 (copy_generic_body, copy_decl_no_change): Export.
1307 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
1308 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
1309 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
1311 * c-tree.h (insert_block): Kill.
1312 * c-decl.c (insert_block): Kill.
1314 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1316 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1317 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1318 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
1320 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
1321 argument, call {push,pop}_function_context from here.
1322 * c-parser.c: Use c_{push,pop}_function_context.
1324 * function.c (push_function_context_to): Move meat ...
1325 (push_function_context): ... here. Simplify.
1326 * function.c (pop_function_context_from): Move meat ...
1327 (pop_function_context): ... here. Simplify.
1328 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
1330 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1331 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1332 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
1333 * tree.h (push_function_context_to, pop_function_context_from): Remove.
1335 2008-04-03 Ben Elliston <bje@au.ibm.com>
1337 * expmed.c (extract_force_align_mem_bit_field): Remove.
1339 2008-04-03 Richard Guenther <rguenther@suse.de>
1342 * expr.h (try_casesi): Adjust prototype.
1343 * expr.c (try_casesi): Take fallback label as extra parameter.
1344 Use that for gen_casesi if default_label is NULL.
1345 * stmt.c (expand_case): Pass fallback label to try_casesi,
1346 make sure to fill gaps with a fallback label if default_label
1349 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
1352 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
1354 2008-04-03 Ben Elliston <bje@au.ibm.com>
1356 * expmed.c (extract_split_bit_field): Remove if (0) code.
1357 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
1358 (do_ds_constraint): Likewise.
1360 2008-04-02 Joseph Myers <joseph@codesourcery.com>
1362 * doc/cppopts.texi (-dU): Document.
1363 * c-common.h (flag_dump_macros): Update comment.
1364 * c-opts.c (handle_OPT_d): Handle -dU.
1365 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
1366 dump_queued_macros, cb_used_define, cb_used_undef): New.
1367 (init_pp_output): Handle -dU.
1368 (cb_line_change): Call dump_queued_macros.
1369 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
1371 2008-04-02 Anatoly Sokolov <aesok@post.ru>
1373 * config/avr/predicates.md (io_address_operand): New predicate.
1374 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
1375 * config/avr/avr.c (avr_io_address_p): Remove function.
1376 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
1377 'avr_io_address_p' function.
1378 (out_movhi_r_mr): (Ditto.).
1379 (out_movqi_mr_r): (Ditto.).
1380 (out_movhi_mr_r): (Ditto.).
1381 (avr_address_cost): (Ditto.).
1383 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
1385 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
1386 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
1387 in 32bit mode when XMM registers are available to avoid store
1389 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
1390 corresponding post-reload splitters.
1392 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1394 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
1395 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
1396 __builtin_ia32_roundss.
1397 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
1398 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
1399 __builtin_ia32_roundss.
1400 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
1401 IX86_BUILTIN_SHUFPD here.
1403 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1405 * config/i386/i386.md (plogic): New.
1406 (plogicprefix): Likewise.
1408 * config/i386/mmx.md (mmx_<code><mode>3): New.
1409 (mmx_and<mode>3): Removed.
1410 (mmx_ior<mode>3): Likewise.
1411 (mmx_xor<mode>3): Likewise.
1413 * config/i386/sse.md (<code><mode>3): New.
1414 (*<code><mode>3): Likewise.
1415 (*<code><mode>3): Likewise.
1416 (<code><mode>3): Likewise.
1417 (*sse_<code><mode>3): Likewise.
1418 (*sse2_<code><mode>3): Likewise.
1419 (<code>tf3): Likewise.
1420 (*<code>tf3): Likewise.
1421 (and<mode>3): Likewise.
1422 (*and<mode>3): Likewise.
1423 (ior<mode>3): Removed.
1424 (*ior<mode>3): Likewise.
1425 (xor<mode>3): Likewise.
1426 (*xor<mode>3): Likewise.
1427 (*and<mode>3): Likewise.
1428 (*ior<mode>3): Likewise.
1429 (*xor<mode>3): Likewise.
1430 (and<mode>3): Likewise.
1431 (*sse_and<mode>3): Likewise.
1432 (*sse2_and<mode>3): Likewise.
1434 (*andtf3): Likewise.
1435 (ior<mode>3): Likewise.
1436 (*sse_ior<mode>3): Likewise.
1437 (*sse2_ior<mode>3): Likewise.
1439 (*iortf3): Likewise.
1440 (xor<mode>3): Likewise.
1441 (*sse_xor<mode>3): Likewise.
1442 (*sse2_xor<mode>3): Likewise.
1444 (*xortf3): Likewise.
1446 2008-04-02 Richard Guenther <rguenther@suse.de>
1448 PR tree-optimization/14495
1449 PR tree-optimization/34793
1450 * tree-vrp.c (struct switch_update): New structure.
1451 (to_remove_edges, to_update_switch_stmts): New VECs.
1452 (simplify_switch_using_ranges): New function. Remove not taken
1453 case labels and edges.
1454 (simplify_stmt_using_ranges): Call it.
1455 (identify_jump_threads): Mark edges we have queued for removal
1456 so we don't thread them.
1457 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
1459 * tree-cfg.c (group_case_labels): Deal with missing default label.
1460 (tree_verify_flow_info): Allow missing default label.
1461 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
1462 (emit_case_nodes): Likewise.
1463 (expand_case): Do not rely on the default label to be present.
1464 * expr.c (try_casesi): Deal with NULL default_label.
1465 (do_tablejump): Likewise.
1467 2008-04-02 Richard Guenther <rguenther@suse.de>
1469 PR tree-optimization/14495
1470 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
1471 SWITCH_EXPR here ...
1472 (vrp_visit_switch_stmt): ... but here (new function).
1473 (find_case_label_index): New helper function.
1474 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
1476 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1478 * fwprop.c: Fix ISO-C99ism.
1480 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1483 * Makefile.in (objdir): Set it here.
1484 * configure.ac: Not here. Find dynamic linker characteristics.
1485 * exec-tool.in: Use them.
1486 * aclocal.m4: Regenerate.
1487 * configure: Regenerate.
1489 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1491 * expr.c (expand_var): Delete it.
1492 * expr.h (expand_var): Delete prototype.
1493 * function.c (expand_function_start): Use expand_decl instead.
1494 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
1497 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
1499 PR rtl-optimization/35542
1500 * fwprop.c (forward_propagate_and_simplify): Replace
1501 loc_reg_mentioned_in_p with reg_mentioned_p.
1503 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1505 PR rtl-optimization/35281
1506 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
1507 (propagate_rtx_1): Handle PR_HANDLE_MEM.
1508 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
1509 (varying_mem_p): Move above propagate_rtx.
1510 (all_uses_available_at): Do not check MEMs.
1512 2008-04-02 Rafael Espindola <espindola@google.com>
1514 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
1515 (register_edge_assert_for_2): Split the cond argument.
1516 (register_edge_assert_for_1): Adjust for the change in
1517 register_edge_assert_for_2.
1518 (register_edge_assert_for): Split the cond argument.
1519 (find_switch_asserts): Adjust for the change in
1520 register_edge_assert_for.
1522 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
1524 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
1525 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
1526 offsets for 64-bit mingw.
1527 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
1528 abi for x86_64-pc-mingw.
1530 2008-04-02 Richard Guenther <rguenther@suse.de>
1532 * tree-vrp.c (extract_range_from_assert): Make sure to not
1533 produce range min/max with TREE_OVERFOW set.
1534 If merging a anti-range and a range keep the anti-range if
1535 the range covers all values of the type.
1536 (register_edge_assert_for_2): Only allow sign-changing
1537 conversions in detecting canonical range checks. Also
1538 register an assert for the unsigned name if useful.
1540 PR tree-optimization/35787
1541 * tree-vrp.c (vrp_val_max): New function.
1542 (vrp_val_min): Likewise.
1543 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
1544 (vrp_val_is_min): Likewise.
1545 (supports_overflow_infinity): Use vrp_val_{min,max}.
1546 (negative_overflow_infinity): Likewise.
1547 (positive_overflow_infinity): Likewise.
1548 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
1549 (is_positive_overflow_infinity): Likewise.
1550 (is_overflow_infinity): Likewise.
1551 (avoid_overflow_infinity): Use vrp_val_{min,max} and
1552 vrp_val_is_{min,max}.
1553 (set_and_canonicalize_value_range): Canonicalize anti-ranges
1554 to ranges if possible. Avoid empty ranges.
1556 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1559 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
1560 the expression is a function address.
1562 2008-04-01 George Helffrich <george@gcc.gnu.org>
1564 PR fortran/PR35154, fortran/PR23057
1565 * fortran/trans-common.c (create_common): Add decl to function
1566 chain to preserve identifier scope in debug output.
1568 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
1569 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
1570 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
1571 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
1573 (dbxout_syms): Check for COMMON-based symbol and wrap in
1574 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
1575 in bracket for efficiency.
1577 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
1578 using DW_TAG_common_block + member offset.
1579 (add_pubname_string): New function.
1580 (dw_expand_expr): New function to find block name and offset for
1582 (common_check): New function to check whether symbol in Fortran COMMON.
1583 (gen_variable_die): If COMMON, use DW_TAG_common_block.
1585 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
1586 use of common is unchanged.
1588 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
1589 with all combinations of debug options available on target.
1590 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
1591 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
1592 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
1593 .stabs functionality.
1594 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
1595 DWARF functionality.
1597 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
1600 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
1602 2008-04-02 Ben Elliston <bje@au.ibm.com>
1604 * config/v850/v850.md (casesi): Remove if (0) code.
1605 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
1606 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
1608 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
1610 * config/i386/i386.md (rex64suffix): New mode attribute.
1611 (floathi<mode>2): Disable expander for SSE math.
1612 (*floathi<mode>2_1): New insn insn_and_split pattern.
1613 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
1614 corresponding post-reload splitters.
1615 (*floathi<mode>2_i387): New macroized insn pattern.
1616 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
1617 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
1618 insn_and_split pattern.
1619 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
1620 New macroized instruction patterns and corresponding post-reload
1622 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
1623 and corresponding post-reload splitters.
1624 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
1625 New macroized instruction patterns.
1626 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
1627 macroized instruction patterns and corresponding post-reload splitters.
1628 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
1629 corresponding post-reload splitters.
1630 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
1631 New macroized instruction patterns.
1632 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
1633 corresponding post-reload splitters.
1634 (*floatsi<mode>2_i387): New macroized instruction patterns.
1636 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
1638 * config/i386/i386.md (smaxmin): New.
1639 (umaxmin): Likewise.
1640 (maxminiprefix): Likewise.
1641 (maxminfprefix): Likewise.
1642 (<code><mode>3): Likewise.
1643 (smin<mode>3): Removed.
1644 (smax<mode>3): Likewise.
1646 * config/i386/mmx.md (mmx_<code>v2sf3): New.
1647 (mmx_<code>v4hi3): Likewise.
1648 (mmx_<code>v8qi3): Likewise.
1649 (mmx_smaxv2sf3): Removed.
1650 (mmx_sminv2sf3): Likewise.
1651 (mmx_umaxv8qi3): Likewise.
1652 (mmx_smaxv4hi3): Likewise.
1653 (mmx_uminv8qi3): Likewise.
1654 (mmx_sminv4hi3): Likewise.
1656 * config/i386/sse.md (<addsub><mode>3): New.
1657 (*<addsub><mode>3): Likewise.
1658 (<sse>_vm<addsub><mode>3): Likewise.
1659 (<maxmin><mode>3): Likewise.
1660 (*<maxmin><mode>3_finite): Likewise.
1661 (*<maxmin><mode>3): Likewise.
1662 (<sse>_vm<maxmin><mode>3): Likewise.
1663 (sse3_h<addsub>v4sf3): Likewise.
1664 (sse3_h<addsub>v2df3): Likewise.
1665 (<maxmin>v16qi3): Likewise.
1666 (*<maxmin>v16qi3): Likewise.
1667 (<maxmin>v8hi3): Likewise.
1668 (*<maxmin>v8hi3): Likewise.
1669 (*sse4_1_<maxmin><mode>3): Likewise.
1670 (*sse4_1_<maxmin><mode>3): Likewise.
1671 (add<mode>3): Removed.
1672 (*add<mode>3): Likewise.
1673 (<sse>_vmadd<mode>3): Likewise.
1674 (sub<mode>3): Likewise.
1675 (*sub<mode>3): Likewise.
1676 (<sse>_vmsub<mode>3): Likewise.
1677 (smin<mode>3): Likewise.
1678 (*smin<mode>3_finite): Likewise.
1679 (*smin<mode>3): Likewise.
1680 (<sse>_vmsmin<mode>3): Likewise.
1681 (smax<mode>3): Likewise.
1682 (*smax<mode>3_finite): Likewise.
1683 (*smax<mode>3): Likewise.
1684 (<sse>_vmsmax<mode>3): Likewise.
1685 (sse3_haddv4sf3): Likewise.
1686 (sse3_haddv2df3): Likewise.
1687 (sse3_hsubv4sf3): Likewise.
1688 (sse3_hsubv2df3): Likewise.
1689 (umaxv16qi3): Likewise.
1690 (*umaxv16qi3): Likewise.
1691 (smaxv8hi3): Likewise.
1692 (*smaxv8hi3): Likewise.
1693 (*sse4_1_smax<mode>3): Likewise.
1694 (*sse4_1_umax<mode>3): Likewise.
1695 (uminv16qi3): Likewise.
1696 (*uminv16qi3): Likewise.
1697 (sminv8hi3): Likewise.
1698 (*sminv8hi3): Likewise.
1699 (*sse4_1_smin<mode>3): Likewise.
1700 (*sse4_1_umin<mode>3): Likewise.
1702 2008-04-01 Rafael Espindola <espindola@google.com>
1704 * tree-cfg.c (verify_expr): remove in_phi.
1705 (verify_stmt): Don't call walk_tree with verify_expr. Use
1706 is_gimple_min_invariant instead of is_gimple_val.
1708 2008-04-01 Joseph Myers <joseph@codesourcery.com>
1710 * doc/include/gpl_v3.texi: Update for manpage generation.
1711 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
1713 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
1714 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
1715 gpl_v3.texi instead of gpl.texi.
1718 2008-04-01 Jakub Jelinek <jakub@redhat.com>
1721 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
1723 2008-04-01 Rafael Espindola <espindola@google.com>
1725 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
1726 (extract_code_and_val_from_cond): Use
1727 extract_code_and_val_from_cond_with_ops.
1729 2008-04-01 Jan Hubicka <jh@suse.cz>
1731 * function.c (free_after_compilation): Free epilogue_delay_list.
1732 (prepare_function_start): Assert that previous compilation was freed.
1734 2008-04-01 Jan Hubicka <jh@suse.cz>
1735 Jim Wilson <wilson@tuliptree.org>
1736 Andreas Tobler <andreast@gcc.gnu.org>
1739 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
1740 rtl.emit instead cfun->emit.
1741 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
1742 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
1744 2008-04-01 Ben Elliston <bje@au.ibm.com>
1746 * doc/c-tree.texi (Function Basics): Fix grammatical error.
1748 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
1750 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
1752 (fprofile-use): Add var flag_profile_use
1753 * coverage.c (coverage_begin_output): Do not open a gcno file for
1754 output only if -ftest-coverage is set.
1755 Do not add getpwd() to gcda file path.
1756 (build_gcov_info): Check the new flag
1757 flag_profile_datafile_relative_path.
1758 (coverage_init): Use profile_data_prefix.
1759 Read profile counter only if flag_profile_use is set.
1760 * opts.c (common_handle_option): New option fprofile-use=,
1761 fprofile-dir=, fprofile-generate=.
1762 * toplev.c (profile_data_prefix): New variable definition.
1763 * toplev.h (profile_data_prefix): New declaration.
1764 * doc/invoke.tex (Option Summary, Optimization Options):
1767 2008-03-31 James E. Wilson <wilson@tuliptree.org>
1769 * varasm.c (output_constant_pool_1): In LABEL_REF check,
1770 use tmp consistently.
1773 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
1774 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1775 UNSPEC_FR_RECIP_APPROX_RES.
1776 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
1778 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
1781 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
1783 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
1786 * fold-const.c (fold_indirect_ref_1): Support accessing non first
1787 element of the vector via a pointer.
1789 2008-03-31 Ian Lance Taylor <iant@google.com>
1791 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
1793 2008-03-31 Jan Hubicka <jh@suse.cz>
1795 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1796 get_arg_pointer_save_area.
1797 * expr.c (init_expr): Just clear out rtl.expr.
1798 * function.c (free_after_compilation): Clear out whole RTL structure.
1799 (get_func_frame_size): Merge into ...
1800 (get_frame_size): ... this one.
1801 (assign_stack_local_1): Merge into ...
1802 (assign_stack_local): ... this one.
1803 (expand_function_end): Update call of get_arg_pointer_save_area.
1804 (get_art_pointer_save_area): Remove cfun argument.
1805 * function.h (emit_status): regno_pointer_align does not need length
1806 attribute. Move x_regno_reg_rtx to ...
1807 (regno_reg_rtx): ... new global array.
1808 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
1809 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
1810 apply_args_value, forced_labels, stack_pointer_delta):
1812 (struct varasm_status): Move here from varasm.c
1813 (struct rtl_data): New. Move here some fields from struct function.
1814 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1815 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1816 used_temp_slots avail_temp_slots, temp_slot_level,
1817 nonlocal_goto_handler_labels): Update accesstors.
1818 (rtl): New global variable.
1819 (struct function): Move some fileds to rtl_data.
1820 (get_arg_pointer_save_area): Update prototype.
1821 * emit-rtl.c (rtl): Declare.
1822 (regno_reg_rtx): Declare.
1823 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1825 (gen_reg_rtx): Update.
1826 (init_virtual_regs): Do not tate emit_status argument.
1827 (init_emit): Do not allocate emit.
1828 * varasm.c (varasm_statuc): Move to function.h.
1829 (n_deferred_constatns): Update accestor.
1830 (init_varasm_status): Do not allocate varasm_status.
1831 (force_const_mem, get_pool_size, output_constant_pool): Update.
1832 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1833 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1835 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
1837 PR rtl-optimization/35729
1838 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
1841 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
1844 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
1845 load/store if memory is unaligned.
1846 (*movti_rex64): Likewise.
1848 * config/i386/predicates.md (misaligned_operand): New.
1850 2008-03-31 Andrew Pinski <pinskia@gmail.com>
1853 * tree-ssa-phiopt.c (conditional_replacement): Return early for
1856 2008-03-31 Jan Beulich <jbeulich@novell.com>
1858 * config/ia64/constraints.md: Add 'j' constraint.
1859 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
1860 (movdi_internal): Likewise.
1862 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
1865 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
1867 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1870 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
1871 proper error message for the third argument on blendpd and
1874 * config/i386/sse.md (blendbits): New.
1875 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
1877 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
1879 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
1881 2008-03-30 Richard Guenther <rguenther@suse.de>
1884 * fold-const.c (fold_sign_changed_comparison): Do leave
1885 conversions to base-types alone.
1887 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1889 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
1890 the link register if one altivec register is be saved.
1892 2008-03-30 Ben Elliston <bje@au.ibm.com>
1894 * final.c (final_scan_insn): Remove if (0) code.
1896 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
1898 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
1900 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
1902 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
1903 of V4SFmode to ix86_binary_operator_ok.
1905 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
1907 * config/i386/i386.c (override_options): Initialize
1908 ix86_veclib_handler to ix86_veclibabi_svml when
1909 -mveclibabi=svml is used.
1910 (ix86_veclibabi_svml): New function for SVML ABI style
1911 vectorization support.
1912 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
1914 2008-03-28 Rafael Espindola <espindola@google.com>
1916 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
1917 (tree_binary_nonnegative_warnv_p): Make it public.
1918 (tree_single_nonnegative_warnv_p): Make it public.
1919 (tree_invalid_nonnegative_warnv_p): Make it public.
1920 (tree_unary_nonzero_warnv_p): Make it public.
1921 (tree_binary_nonzero_warnv_p): Make it public
1922 (tree_single_nonzero_warnv_p): Make it public.
1923 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
1924 (extract_range_from_binary_expr): Split the expr argument.
1925 (extract_range_from_unary_expr): Split the expr argument.
1926 (extract_range_from_comparison): Split the expr argument.
1927 (extract_range_from_expr): Use the new aux functions.
1928 (vrp_evaluate_conditional_warnv): Use
1929 vrp_evaluate_conditional_warnv_with_ops.
1930 * tree.h (tree_unary_nonzero_warnv_p): Declare.
1931 (tree_binary_nonzero_warnv_p): Declare.
1932 (tree_single_nonzero_warnv_p): Declare.
1933 (tree_expr_nonzero_warnv_p): Declare.
1934 (tree_unary_nonnegative_warnv_p): Declare.
1935 (tree_binary_nonnegative_warnv_p): Declare.
1936 (tree_single_nonnegative_warnv_p): Declare.
1937 (tree_invalid_nonnegative_warnv_p): Declare.
1939 2008-03-28 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/30317
1942 PR tree-optimization/30911
1943 PR tree-optimization/34793
1944 * tree-vrp.c (set_and_canonicalize_value_range): New function.
1945 (struct assert_locus_d): New member EXPR.
1946 (register_new_assert_for): Add EXPR parameter to support
1947 ASSERT_EXPR <name, expr OP limit>.
1948 (register_edge_assert_for_1): Adjust callers.
1949 (find_assert_locations): Likewise.
1950 (process_assert_insertions_for): Build condition from expression.
1951 (extract_range_from_assert): Handle ASSERT_EXPRs
1952 of the form ASSERT_EXPR <name, expr OP limit>.
1953 (register_edge_assert_for_2): New helper registering
1954 asserts for comparisons. Recognize range tests of the form
1955 (unsigned)i - CST1 OP CST2.
1956 (register_edge_assert_for_1): Use it.
1957 (register_edge_assert_for): Likewise.
1958 (needs_overflow_infinity): Integer sub-types
1959 do not need overflow infinities.
1960 (vrp_val_is_max): The extreme values of integer sub-types
1961 are those of the base type.
1962 (vrp_val_is_min): Likewise.
1963 * tree.def (ASSERT_EXPR): Document extra allowed conditional
1966 2008-03-28 Nick Clifton <nickc@redhat.com>
1969 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
1970 Return GENERAL_REGS for stack adjustment reloads.
1972 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1975 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
1976 const_vector when all the vectors are constant.
1978 2008-03-27 Bob Wilson <bob.wilson@acm.org>
1980 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
1982 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
1983 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
1985 (s<code>_sf): Use new scc_sf attribute for opcode names.
1987 2008-03-27 Tom Tromey <tromey@redhat.com>
1989 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
1990 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1991 config/spu/t-spu-elf, config/i386/t-interix,
1992 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1993 config/i386/x-darwin, config/i386/x-mingw32,
1994 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1995 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1996 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1997 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1998 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1999 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2000 config/score/t-score-elf, config/arm/t-strongarm-pe,
2001 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2002 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2003 Revert automatic dependency patch.
2005 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2008 * config/i386/i386.c (ix86_function_arg_boundary): Align
2009 decimal floating point to its natural boundary.
2011 2008-03-27 Richard Guenther <rguenther@suse.de>
2014 * fold-const.c (fold_comparison): Restrict distinct decl
2015 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2016 solely rely on operand_equal_p.
2018 2008-03-27 Richard Guenther <rguenther@suse.de>
2021 * c-common.c (handle_weak_attribute): Reject combination of
2024 2008-03-27 Richard Guenther <rguenther@suse.de>
2026 PR tree-optimization/32810
2027 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2028 conversions from DECL_INITIAL.
2029 (fold_const_aggregate_ref): Likewise from constructor elements.
2031 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2033 * tree-affine.h (aff_combination_expand): Declare.
2034 (get_inner_reference_aff): Likewise.
2035 * tree-affine.c (aff_combination_expand): Split out from
2036 tree_to_aff_combination_expand.
2037 (get_inner_reference_aff): New function.
2038 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2039 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2040 (struct lim_aux_data): sm_done field removed.
2041 (mem_ref_loc_p, mem_ref_locs_p): New types.
2042 (struct mem_ref): Added id, stored, accesses_in_loop,
2043 indep_loop, dep_loop, indep_ref, dep_ref fields.
2044 Removed is_stored, locs and next fields.
2045 (memory_accesses): New variable.
2046 (movement_possibility): Do not allow moving statements
2047 that store to memory.
2048 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2050 (determine_max_movement): For statements with memory references,
2051 find the outermost loop in that the reference is independent.
2052 (move_computations_stmt): Mark the virtual operands for renaming.
2053 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2054 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2055 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2056 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2057 create_vop_ref_mapping, analyze_memory_references,
2058 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2059 get_all_locs_in_loop, ref_always_accessed_p,
2060 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2061 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2062 store_motion_loop, store_motion): New functions.
2063 (struct vop_to_refs_elt): New type.
2064 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2065 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2066 (schedule_sm): Replaced by...
2067 (execute_sm): ... this.
2068 (determine_lsm_ref, hoist_memory_references,
2069 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2070 find_more_ref_vops, free_mem_ref, free_mem_refs,
2071 determine_lsm_loop, determine_lsm): Removed.
2072 (tree_ssa_lim_finalize): Free data structures used by store motion.
2073 (tree_ssa_lim): Call analyze_memory_references. Use
2074 store_motion instead of determine_lsm.
2076 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2078 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2079 rename tmake_file to m68hc11/t-m68hc11.
2080 (mcore): Set inhibit_libc to true.
2081 * config.host (alpha*-dec-*vms*): Set extra_programs.
2082 (interix3*): Don't use host_xmake_file.
2083 * configure.ac: Let config.gcc override inhibit_libc.
2084 * configure: Regenerate.
2086 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2087 * config/t-openbsd-thread: Remove commented out lines.
2089 * config/x-interix: Remove.
2091 * config/m68hc11/t-m68hc11-gas: Rename to...
2092 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2094 * config/mcore/t-mcore: Remove T_CFLAGS.
2095 * config/mcore/t-mcore-pe: Likewise.
2097 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2099 * configure.ac: Replace custom __GNU_SOURCE test with
2100 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2101 * aclocal.m4: Regenerate.
2102 * configure: Regenerate.
2103 * config.in: Regenerate.
2105 2008-03-27 Richard Guenther <rguenther@suse.de>
2107 * fold-const.c (target.h): Include.
2108 (fold_comparison): Fold comparison of addresses of decls
2109 that bind locally or of constants. Consolidate address folding code.
2110 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2111 results from fold_binary_to_constant.
2112 (compare_values_warnv): Likewise.
2114 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2117 * fold-const.c (fold_truthop): Check for integeral types when folding
2118 a == 0 && b == 0 and a != 0 || b != 0 .
2120 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2122 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2124 2008-03-26 Andreas Schwab <schwab@suse.de>
2126 * doc/invoke.texi: Fix use of @item vs. @itemx.
2128 2008-03-26 Tom Tromey <tromey@redhat.com>
2130 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2131 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2132 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2133 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2134 build/genconstants.o, build/genemit.o, build/genextract.o,
2135 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2136 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2139 2008-03-26 Richard Guenther <rguenther@suse.de>
2142 2008-03-26 Richard Guenther <rguenther@suse.de>
2144 * fold-const.c (target.h): Include.
2145 (fold_comparison): Fold comparison of addresses of two decls
2146 that bind locally. Consolidate address folding code.
2148 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2150 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2151 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2152 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2153 dconstsqrt2, dconstthird, dconste and/or dconst10.
2154 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2155 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2156 dconstsqrt2, dconste): Delete.
2157 (init_emit_once): Likewise. Simplify initializing dconstm1.
2159 * real.c (get_real_const): New.
2160 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2161 dconstsqrt2, dconste): Delete.
2162 (real_value_const, get_real_const): New.
2164 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2166 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2168 * config/i386/i386.c (ix86_function_arg_boundary): Check
2169 BIGGEST_ALIGNMENT instead of 128.
2170 (setup_incoming_varargs_64): Likewise.
2172 2008-03-26 Tom Tromey <tromey@redhat.com>
2174 * Makefile.in (DEPFILES): Add missing '/'.
2176 2008-03-26 Richard Guenther <rguenther@suse.de>
2178 * fold-const.c (target.h): Include.
2179 (fold_comparison): Fold comparison of addresses of two decls
2180 that bind locally. Consolidate address folding code.
2182 2008-03-26 Nick Clifton <nickc@redhat.com>
2185 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2186 not allow INT+INT as a legitimate addressing mode.
2188 2008-03-26 Richard Guenther <rguenther@suse.de>
2190 * tree-flow.h (widen_bitfield): Remove declaration.
2191 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2192 (widen_bitfield): Remove function.
2193 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2196 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2199 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2202 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2204 PR rtl-optimization/35232
2205 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2206 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2207 reg_reloaded_call_part_clobbered here.
2208 (reload_regs_reach_end_p): New function.
2209 (reload_reg_rtx_for_input): New variable.
2210 (reload_reg_rtx_for_output): Likewise.
2211 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2212 when reassigning a pseudo register. Load reloadreg from
2213 reload_reg_rtx_for_input, moving the mode and register
2215 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2216 instead of the original when deciding whether an input reload
2217 would be a no-op or whether an output reload can be deleted.
2218 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2219 when setting up new_spill_reg_store. Load it from
2220 reload_reg_rtx_for_output, moving the mode and register
2222 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2223 instead of the original when deciding whether an output reload
2224 would be a no-op. Do the same when modifying insn notes.
2225 Use rtx_equal_p instead of == to compare the registers.
2226 (inherit_piecemeal_p): Take a mode and two register numbers
2228 (emit_reload_insns): Clear new_spill_reg_store for every hard
2229 register in the reload register. Remove spill registers
2230 from reg_reloaded_valid before considering whether to record
2231 inheritance information for them. Use reload_reg_rtx_for_output
2232 instead of reg_rtx when recording output reloads. Use
2233 reload_reg_rtx_for_input instead of reg_rtx when recording
2234 input reloads. Set or clear reg_reloaded_call_part_clobbered
2235 at the same time as setting reg_reloaded_valid.
2236 (delete_output_reload): Add a new_reload_reg parameter and use it
2237 instead of rld[j].reg_rtx.
2238 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2241 2008-03-25 Tom Tromey <tromey@redhat.com>
2243 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2244 (build/genattr.o): Likewise.
2245 (build/genattrtab.o): Likewise.
2246 (build/gencodes.o): Likewise.
2247 (build/genconfig.o): Likewise.
2248 (build/genconstants.o): Likewise.
2249 (build/genemit.o): Likewise.
2250 (build/genextract.o): Likewise.
2251 (build/genflags.o): Likewise.
2253 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2255 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2256 instead of size_int for integer types.
2257 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2258 to match type of MINUS_EXPR.
2260 2008-03-25 Tom Tromey <tromey@redhat.com>
2262 * configure: Rebuilt.
2263 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2266 2008-03-25 Tom Tromey <tromey@redhat.com>
2268 * config/x-solaris (host-solaris.o): Update.
2269 * config/x-linux (host-linux.o): Update.
2270 * config/x-hpux (host-hpux.o): Update.
2271 * config/x-darwin (host-darwin.o): Update.
2272 * config/v850/t-v850e (v850-c.o): Update.
2273 * config/v850/t-v850 (v850-c.o): Update.
2274 * config/t-vxworks (vxworks.o): Update.
2275 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2276 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2277 * config/spu/t-spu-elf (spu-c.o): Update.
2279 * config/sh/t-symbian (sh-c.o): Update.
2280 (symbian.o): Update.
2281 * config/sh/t-sh (sh-c.o): Update.
2282 * config/score/t-score-elf (score7.o, score3.o): Update.
2283 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2284 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2285 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2286 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2288 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2289 * config/m32c/t-m32c (m32c-pragma.o): Update.
2290 * config/ia64/t-ia64 (ia64-c.o): Update.
2291 * config/i386/x-mingw32 (host-mingw32.o): Update.
2292 * config/i386/x-i386 (driver-i386.o): Update.
2293 * config/i386/x-darwin (host-i386-darwin.o): Update.
2294 * config/i386/x-cygwin (host-cygwin.o): Update.
2295 * config/i386/t-nwld (nwld.o): Update.
2296 * config/i386/t-netware (netware.o): Update.
2297 * config/i386/t-interix (winnt.o): Update.
2298 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2299 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2300 msformat-c.o): Update.
2301 * config/bfin/t-bfin-linux (generated_files): Add
2302 linux-sysroot-suffix.h.
2303 * config/arm/t-wince-pe (pe.o): Update.
2304 * config/arm/t-strongarm-pe (pe.o): Update.
2305 * config/arm/t-pe (pe.o): Update.
2306 * config/arm/t-arm (arm-c.o): Update.
2307 * doc/install.texi (Prerequisites): Require make 3.80.
2308 * Makefile.in: Remove .o targets.
2309 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2310 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2311 (simple_generated_h, simple_generated_c): Move earlier.
2312 (generated_files): New variable.
2313 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2314 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2315 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2316 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2317 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2318 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2319 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2320 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2321 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2322 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2323 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2324 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2326 (COMPILE.base, COMPILE): New variables.
2327 (%.o): New pattern rule.
2328 (ALL_HOST_OBJS): New variable.
2329 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2330 (dummy-checksum.o, cc1-checksum.o): Remove.
2331 (DRIVER_SHLIB): New variable.
2332 (DRIVER_DEFINES): Use it.
2333 (gencondmd.c): Move out of build/.
2334 (s-conditions): Update.
2335 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2336 (ALL_BUILD_OBJS): Likewise.
2337 (build/%.o): Use BUILDCOMPILE.
2338 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2339 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2340 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2341 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2342 build/genconfig.o, build/genconstants.o, build/genemit.o,
2343 build/genextract.o, build/genflags.o, build/genmddeps.o,
2344 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2345 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2346 build/gen-protos.o, build/scan.o, build/fix-header.o,
2347 build/scan-decls.o): Simplify.
2348 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2349 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2350 prefix.o, toplev.o): Reduce to variable setting.
2351 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2352 ($(out_object_file), gcc-options.o): New targets.
2353 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2354 * configure: Rebuilt.
2355 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2356 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2358 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2360 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2361 complain when we hit an error, return ERROR_MARK_NODE.
2363 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2365 * config/sh/constraints.md (Pso, Psz): New constraints.
2366 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2367 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2369 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2371 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2372 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2374 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2376 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2377 (prefetch_sh2a): New.
2379 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2380 Naveen.H.S <naveen.hs@kpitcummins.com>
2382 * config/sh/constraints.md (I28): New constraint.
2383 * config/sh/sh.c (broken_move): Add support for movi20s.
2384 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2386 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2387 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2388 Naveen.H.S <naveen.hs@kpitcummins.com>
2390 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2391 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2392 (print_operand): Handle resbank in %@ operand code.
2393 (sh_encode_section_info): New.
2394 (push_regs): Add conditions for resbank.
2395 (sh_expand_epilogue): Likewise.
2396 (sh_insert_attributes): Likewise.
2397 (sh_attribute_table): Likewise.
2398 (sh_handle_resbank_handler_attribute): New.
2399 (sh2a_handle_function_vector_handler_attribute): New.
2400 (sh2a_is_function_vector_call): New.
2401 (sh2a_get_function_vector_number): New.
2402 (sh2a_function_vector_p): New.
2403 (sh_cfun_resbank_handler_p): New.
2404 * config/sh/sh.md (calli): Emit jsr/n if possible.
2405 (calli_tbr_rel): New.
2406 (calli_pcrel): Emit jsr/n if possible.
2407 (return_i): Emit rts/n if possible.
2408 (call_valuei_tbr_rel): New.
2409 (call_valuei_pcrel): Add condition for SH2A target.
2410 (call_value): Likewise.
2411 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2412 (sh2a_get_function_vector_number): Likewise.
2413 (sh2a_is_function_vector_call): Likewise.
2414 * doc/extend.texi: Document TBR relative addressing of SH2A.
2415 (resbank): Add description for SH2A.
2417 2008-03-24 Richard Guenther <rguenther@suse.de>
2420 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2421 pointer assignments change conversions according to middle-end rules.
2422 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2423 * configure.ac: Include type checking in yes.
2424 * configure: Regenerate.
2426 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2428 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2429 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2431 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2433 * gthr-vxworks.h (UNUSED): Define.
2435 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2437 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
2439 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2441 * doc/extend.texi (Function Attributes): Add missing comma in the
2442 example of the "alloc_size" attribute.
2444 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2447 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2449 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2452 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2455 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2456 of the underlying type of a MS bitfield layout to the natural
2457 alignment of the type.
2459 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2461 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2462 to their natural alignment to avoid store forwarding stalls.
2464 2008-03-22 Richard Guenther <rguenther@suse.de>
2466 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2467 For PHI nodes verify the address is invariant.
2468 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2469 (get_symbol_constant_value): Use is_gimple_min_invariant.
2470 (maybe_fold_stmt_indirect): Likewise.
2472 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2474 PR rtl-optimization/33927
2475 * Makefile.in (dse.o): Depend on $(TM_P_H).
2476 * expr.h (extract_low_bits): Declare.
2477 * expmed.c (extract_low_bits): New function.
2478 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2479 * dse.c: Include tm_p.h.
2480 (find_shift_sequence): Remove the read_reg argument and return the
2481 read value. Emit the instructions instead of returning them.
2482 Iterate on new_mode rather than calculating it each time.
2483 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2484 source to NEW_MODE and extract_low_bits to convert the shifted
2486 (replace_read): Allow the load and store to have different mode
2487 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2488 or extraction instructions before trying the replacement. Update
2489 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2491 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2493 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2494 to their natural alignment to avoid store forwarding stalls.
2496 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2499 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
2500 encouraging but not allowing gprs for input;
2501 change the input constraint to !f#r.
2502 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
2504 change the output constraint to !f#r.
2506 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
2509 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
2510 corresponding post-reload splitters.
2511 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
2512 when x87 FP math is selected.
2513 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
2514 New function prototype.
2515 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
2516 unreachable function to ease macroization of insn patterns.
2518 2008-03-21 Martin Jambor <mjambor@suse.cz>
2520 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
2521 reference dumps if ddr is NULL or dependence is unknown.
2523 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2525 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
2526 unsigned extension into account.
2527 (ATOMIC_COMPARE_AND_SWAP): Likewise.
2528 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
2529 Do computations on a scratch register.
2531 2008-03-21 Richard Guenther <rguenther@suse.de>
2533 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2534 Use is_gimple_min_invariant instead of TREE_INVARIANT.
2535 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
2536 * tree-ssa-dom.c (record_equality): Likewise.
2537 * tree-inline.c (copy_body_r): Likewise.
2538 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
2541 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2543 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
2544 as 'delete_unused' argument.
2546 2008-03-20 Richard Guenther <rguenther@suse.de>
2548 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2549 special casing of constant qualifiers.
2550 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
2551 care about them in general.
2552 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
2553 regardless of their type.
2554 (fold_stmt_r): Forcefully fold *& if we end up with that.
2556 2008-03-20 Paul Brook <paul@codesourcery.com>
2558 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
2559 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
2561 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
2563 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
2564 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
2566 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
2568 * common.opt (Wmudflap): New option.
2569 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
2570 (mx_register_decls): Likewise.
2571 (mudflap_finish_file): Likewise.
2572 * doc/invoke.texi: Document -Wno-mudflap.
2574 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
2576 * c-format.c (replace_format_name_to_system_name): New.
2578 (convert_format_name_to_system_name): New.
2579 (decode_format_attr): Add use of convert_format_name_to_system_name.
2580 (format_types_orig): Add gnu_ prefix to names.
2581 (check_format_info_main): Special treating of \0 escaped names for
2582 supporting multi-character format specifiers as I32, I64.
2583 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
2584 (gnu_target_overrides_format_attributes): New.
2585 * c-format.h: Add structure target_ovr_attr to hold
2586 system specific formatter names.
2587 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
2588 msformat-c.o file to c_target_objs and cxx_target_objs.
2589 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2590 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
2591 (TARGET_N_FORMAT_TYPES): New.
2592 * config/i386/msformat-c.c: New.
2593 * config/i386/t-cygming: Add build rule for msformat-c.o.
2594 * doc/extend.texi: Add new format names gnu_* and ms_* and
2596 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
2598 2008-03-20 Ira Rosen <irar@il.ibm.com>
2600 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
2601 optimizations turned on under -O3.
2602 (ftree-vectorize): Add that the flag is turned on with -O3.
2604 2008-03-20 Ben Elliston <bje@au.ibm.com>
2606 * regmove.c (try_auto_increment): Fix spelling error in comment.
2607 * final.c (final_scan_insn): Likewise.
2609 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
2612 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
2613 allocator preferences for "y" and "r" class registers.
2614 ("*mov<mode>_internal"): Ditto.
2615 ("*movv2sf_internal_rex64"): Ditto.
2616 ("*movv2sf_internal"): Ditto.
2618 2008-03-19 Michael Matz <matz@suse.de>
2621 * calls.c (expand_call): Check overlap of arguments with call
2622 address for sibcalls.
2624 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2627 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2628 of the underlying type of a MS bitfield layout to the natural
2629 alignment of the type.
2631 2008-03-19 Jan Hubicka <jh@suse.cz>
2634 * toplev.c (decode_d_option): Handle all CPP flags.
2635 * tree-vrp.c: Update tree_pass descriptors.
2636 * regrename.c: Update tree_pass descriptors.
2637 * fwprop.c: Update tree_pass descriptors.
2638 * doc/invoke.texi: Remove documentation of dropped -d? flags.
2639 * tree-into-ssa.c: Update tree_pass descriptors.
2640 * tree-dump.c: Update tree_pass descriptors.
2641 * tree-complex.c: Update tree_pass descriptors.
2642 * tree-dump.h: Update tree_pass descriptors.
2643 * see.c: Update tree_pass descriptors.
2644 * cgraphbuild.c: Update tree_pass descriptors.
2645 * tracer.c: Update tree_pass descriptors.
2646 * tree-loop-distribution.c: Update tree_pass descriptors.
2647 * cgraph.c: Update tree_pass descriptors.
2648 * postreload-gcse.c: Update tree_pass descriptors.
2649 * postreload.c: Update tree_pass descriptors.
2650 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
2651 * tree-tailcall.c: Update tree_pass descriptors.
2652 * tree-pass.h (tree_opt_pass): Rename to ...
2653 (opt_pass) ... this one; add "type" field and remove letter field.
2654 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
2655 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
2656 all_lowering_passes): Update declaration.
2657 * ipa-cp.c: Update tree_pass descriptors.
2658 * final.c: Update tree_pass descriptors.
2659 * omp-low.c: Update tree_pass descriptors.
2660 * tree-ssa-dse.c: Update tree_pass descriptors.
2661 * ipa-reference.c: Update tree_pass descriptors.
2662 * tree-ssa-uncprop.c: Update tree_pass descriptors.
2663 * auto-inc-dec.c: Update tree_pass descriptors.
2664 * reorg.c: Update tree_pass descriptors.
2665 * cgraphunit.c: Update tree_pass descriptors.
2666 * tree-ssa-copyrename.c: Update tree_pass descriptors.
2667 * tree-ssa-ccp.c: Update tree_pass descriptors.
2668 * df-core.c: Update tree_pass descriptors.
2669 * mode-switching.c: Update tree_pass descriptors.
2670 * tree-nomudflap.c: Update tree_pass descriptors.
2671 * modulo-sched.c: Update tree_pass descriptors.
2672 * ipa-pure-const.c: Update tree_pass descriptors.
2673 * cse.c: Update tree_pass descriptors.
2674 * web.c: Update tree_pass descriptors.
2675 * tree-stdarg.c: Update tree_pass descriptors.
2676 * tree-ssa-math-opts.c: Update tree_pass descriptors.
2677 * tree-ssa-dom.c: Update tree_pass descriptors.
2678 * tree-nrv.c: Update tree_pass descriptors.
2679 * tree-ssa-alias.c: Update tree_pass descriptors.
2680 * loop-init.c: Update tree_pass descriptors.
2681 * gimple-low.c: Update tree_pass descriptors.
2682 * ipa-inline.c: Update tree_pass descriptors.
2683 * tree-ssa-sink.c: Update tree_pass descriptors.
2684 * global.c: Update tree_pass descriptors.
2685 * ifcvt.c: Update tree_pass descriptors.
2686 * jump.c: Update tree_pass descriptors.
2687 * predict.c: Update tree_pass descriptors.
2688 * tree-ssa-loop.c: Update tree_pass descriptors.
2689 * recog.c: Update tree_pass descriptors.
2690 * dse.c: Update tree_pass descriptors.
2691 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
2692 * tree-eh.c: Update tree_pass descriptors.
2693 * regmove.c: Update tree_pass descriptors.
2695 * function.c: Update tree_pass descriptors.
2696 * tree-vectorizer.c: Update tree_pass descriptors.
2697 * gcse.c: Update tree_pass descriptors.
2698 * ipa-type-escape.c: Update tree_pass descriptors.
2699 * tree-if-conv.c: Update tree_pass descriptors.
2700 * init-regs.c: Update tree_pass descriptors.
2701 * ipa.c: Update tree_pass descriptors.
2702 * tree-ssa-phiopt.c: Update tree_pass descriptors.
2703 * rtl-factoring.c: Update tree_pass descriptors.
2704 * lower-subreg.c: Update tree_pass descriptors.
2705 * bt-load.c: Update tree_pass descriptors.
2706 * tree-dfa.c: Update tree_pass descriptors.
2707 * except.c: Update tree_pass descriptors.
2708 * emit-rtl.c: Update tree_pass descriptors.
2709 * cfgexpand.c: Update tree_pass descriptors.
2710 * tree-cfgcleanup.c: Update tree_pass descriptors.
2711 * cfgcleanup.c: Update tree_pass descriptors.
2712 * tree-ssa-pre.c: Update tree_pass descriptors.
2713 * tree-sra.c: Update tree_pass descriptors.
2714 * tree-mudflap.c: Update tree_pass descriptors.
2715 * tree-ssa-copy.c: Update tree_pass descriptors.
2716 * cfglayout.c: Update tree_pass descriptors.
2717 * tree-ssa-forwprop.c: Update tree_pass descriptors.
2718 * tree-ssa-dce.c: Update tree_pass descriptors.
2719 * tree-ssa.c: Update tree_pass descriptors.
2720 * regclass.c: Update tree_pass descriptors.
2721 * integrate.c: Update tree_pass descriptors.
2722 * tree-optimize.c: Update tree_pass descriptors.
2723 * tree-ssa-phiprop.c: Update tree_pass descriptors.
2724 * tree-object-size.c: Update tree_pass descriptors.
2725 * combine.c: Update tree_pass descriptors.
2726 * tree-outof-ssa.c: Update tree_pass descriptors.
2727 * bb-reorder.c: Update tree_pass descriptors.
2728 * stack-ptr-mod.c: Update tree_pass descriptors.
2729 * var-tracking.c: Update tree_pass descriptors.
2730 * tree-profile.c: Update tree_pass descriptors.
2731 * tree-vect-generic.c: Update tree_pass descriptors.
2732 * reg-stack.c: Update tree_pass descriptors.
2733 * sched-rgn.c: Update tree_pass descriptors.
2734 * tree-ssa-structalias.c: Update tree_pass descriptors.
2735 * tree-cfg.c: Update tree_pass descriptors.
2736 * passes.c (current_pass): Update declaration.
2737 (finish_optimization_passes): Update.
2738 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
2739 (register_one_dump_file, register_dump_files_1, next_pass_1):
2741 (init_optimization_passes): Update handling of new types.
2742 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
2743 * ipa-struct-reorg.c: Update tree_pass descriptors.
2744 * tree-ssa-reassoc.c: Update tree_pass descriptors.
2745 * combine-stack-adj.c: Update tree_pass descriptors.
2746 * cfgrtl.c: Update tree_pass descriptors.
2747 * dce.c: Update tree_pass descriptors.
2748 * tree-ssanames.c: Update tree_pass descriptors.
2750 2008-03-19 Richard Guenther <rguenther@suse.de>
2753 * tree-ssa.c (walk_data): New structure.
2754 (warn_uninitialized_var): If not always_executed warn with "maybe"
2756 (execute_early_warn_uninitialized): Compute post-dominators.
2757 Initialize always_executed before processing each basic block.
2759 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
2762 * config/i386/i386.c (x86_this_parameter): Calculate correct location
2763 of "this" pointer when "regparm = N" or "fastcall" is in effect.
2765 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2767 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
2769 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
2771 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
2773 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
2774 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
2775 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
2776 target after ignore has been set, and move there also the commputation
2777 of subtarget and original_target.
2778 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
2779 (LANG_HOOKS_INITIALIZER): Remove it.
2780 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
2782 2008-03-18 Richard Guenther <rguenther@suse.de>
2784 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
2785 found an expression with constants, note that in the VN for the lhs.
2786 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
2787 fold them to constants if possible. Run cleanup_cfg if done so.
2788 (execute_pre): Return todo.
2790 (execute_fre): Likewise.
2791 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
2793 (get_prop_source_stmt): Look through pointer conversions.
2795 2008-03-18 Jan Hubicka <jh@suse.cz>
2797 * tree-pretty-print.c: Include predict.h.
2798 (dump_generic_node): Dump predictor.
2799 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
2800 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
2801 * gimple-low.c (lower_stmt): Likewise.
2802 * expr.c (expand_expr_real): Likewise.
2803 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
2805 (build_predict_expr, build_predict_expr): New.
2806 * predict.h (predictor_name, build_predict_expr): Update.
2807 * c-typeck.c (c_finish_bc_stmt): Add prediction.
2808 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
2809 * predict.def (PRED_CONTINUE): Update hitrate.
2810 * tree.def (PREDICT_EXPR): Define.
2811 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
2812 do not handle BIND_EXPR.
2813 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
2814 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
2815 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
2818 2008-03-18 Michael Matz <matz@suse.de>
2820 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
2822 2008-03-18 Richard Guenther <rguenther@suse.de>
2824 * tree-gimple.h (is_gimple_invariant_address): Declare.
2825 (is_gimple_constant): Likewise.
2826 * tree-gimple.c (is_gimple_constant): New function.
2827 (is_gimple_invariant_address): Likewise.
2828 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
2829 and is_gimple_invariant_address.
2830 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
2832 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
2833 an addressable base.
2835 2008-03-18 Jakub Jelinek <jakub@redhat.com>
2838 * gimplify.c (gimplify_expr): Gimplify second operand of
2841 2008-03-17 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/19637
2844 * fold-const.c (fold_unary): Remove restrictions of removing
2845 intermediate pointer-conversions (P2)(P1)P0.
2846 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
2847 conversion to void pointer.
2848 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
2850 2008-03-16 James E. Wilson <wilson@tuliptree.org>
2853 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
2854 emulated thread local variables.
2856 2008-03-16 Richard Guenther <rguenther@suse.de>
2859 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
2860 expand TREE_INVARIANT operations that are not gimple invariant.
2862 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
2864 * doc/extend.texi (Alignment): Say that the ABI controls
2865 the __alignof__ for non-strict-alignment targets rather
2866 than being a recommendation.
2868 2008-03-15 Paul Brook <paul@codesourcery.com>
2870 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
2872 (arm_output_fn_unwind): Mark functions that can not be unwound.
2874 2008-03-15 Paul Brook <paul@codesourcery.com>
2876 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
2877 extension instructions.
2879 2008-03-15 Richard Guenther <rguenther@suse.de>
2881 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
2882 and fold constant aggregate refs.
2883 (fold_const_aggregate_ref): Handle string constants
2884 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
2885 (evaluate_stmt): Simplify now that ccp_fold folds constant
2888 2008-03-15 Paul Brook <paul@codesourcery.com>
2890 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
2891 (extzv): Use gen_extzv_t2.
2892 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
2894 2008-03-15 Richard Guenther <rguenther@suse.de>
2896 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
2897 (fold_const_aggregate_ref): Likewise.
2898 (get_value): Return NULL if we don't have any values.
2899 (ccp_finalize): Set const_val to NULL after freeing it.
2900 * tree-flow.h (get_symbol_constant_value): Declare.
2901 (fold_const_aggregate_ref): Likewise.
2902 * tree-ssa-sccvn.c (try_to_simplify): Use them.
2904 2008-03-15 Richard Guenther <rguenther@suse.de>
2907 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
2908 to not produce negative array indices if not allowed. Add
2909 parameter to indicate that.
2910 (maybe_fold_offset_to_component_ref): Allow negative array
2911 indices only for the first member of a structure.
2912 (maybe_fold_offset_to_reference): Allow negative array indices.
2913 (maybe_fold_stmt_addition): Likewise.
2915 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
2916 Anatoly Sokolov <aesok@post.ru>
2918 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
2919 (avr_arch): Add ARCH_AVR6.
2920 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
2921 (initial_elimination_offset): Initialize and use 'avr_pc_size'
2922 instead of fixed value 2.
2923 (print_operand_address): Use gs() asm specifier instead of pm().
2924 (avr_assemble_integer): (Ditto.).
2925 (avr_output_addr_vec_elt): (Ditto.).
2926 (print_operand): Handle "!" code.
2927 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
2928 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
2929 (AVR_HAVE_EIJMP_EICALL): Define.
2930 (AVR_3_BYTE_PC): Redefine.
2931 (AVR_2_BYTE_PC): (Ditto.).
2932 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
2933 (LINK_SPEC): Add atmega2560 and atmega2561.
2934 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
2936 * config/avr/avr.md (call_insn): Use eicall instead of icall
2937 for 3 byte PC devices.
2938 (call_value_insn): (Ditto.).
2939 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
2940 (indirect_jump): Use only for for 2 byte PC devices.
2941 (*tablejump): (Ditto.).
2942 (*indirect_jump_avr6): Add insn.
2943 (*tablejump_rjmp): Don't use for 3 byte PC devices.
2944 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
2945 instead of ijmp for 3 byte PC devices.
2946 (__tablejump2__): (Ditto.).
2947 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
2948 (MULITLIB_DIRNAMES): (Ditto.).
2949 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
2951 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
2953 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
2954 "sse2_umulsidi3". Use V1DI mode for operand 0.
2955 ("mmx_psadbw"): Use V1DI mode for operand 0.
2956 * config/i386/i386-modes.def (V1SI): New vector mode.
2957 * config/i386/i386.c (struct builtin_description)
2958 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
2959 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
2960 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
2961 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
2962 v1di_ftype_v8qi_v8qi type.
2963 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
2965 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
2966 __builtin_ia32_pmuludq]: Fix the mode of return value.
2968 2008-03-15 Richard Guenther <rguenther@suse.de>
2971 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
2974 2008-03-14 Bob Wilson <bob.wilson@acm.org>
2976 * doc/invoke.texi (Option Summary, Xtensa Options): Document
2977 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
2978 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
2979 unless TARGET_SERIALIZE_VOLATILE is enabled.
2980 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
2981 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
2982 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
2984 2008-03-14 Richard Guenther <rguenther@suse.de>
2986 PR tree-optimization/34172
2987 * tree-flow.h (refs_may_alias_p): Declare.
2988 (get_single_def_stmt): Likewise.
2989 (get_single_def_stmt_from_phi): Likewise.
2990 (get_single_def_stmt_with_phi): Likewise.
2991 * tree-dfa.c (refs_may_alias_p): New function.
2992 (get_single_def_stmt): Likewise.
2993 (get_single_def_stmt_from_phi): Likewise.
2994 (get_single_def_stmt_with_phi): Likewise.
2995 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2996 (vn_reference_lookup_1): New helper function.
2997 (vn_reference_lookup): Walk the virtual use-def chain to
2998 continue searching for a match if the def does not alias the
2999 reference we are looking for.
3001 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3003 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3004 archive and Perzl. Update The Written Word listing.
3006 2008-03-14 Richard Guenther <rguenther@suse.de>
3008 PR tree-optimization/34043
3009 PR tree-optimization/33989
3010 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3012 (bitmap_find_leader): Use extra argument to verify dominance
3013 relationship inside a basic-block.
3014 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3015 (find_leader_in_sets): Adjust.
3016 (create_component_ref_by_pieces): Take extra argument for
3017 dominance check, handle lookup failures.
3018 (find_or_generate_expression): Likewise.
3019 (create_expression_by_pieces): Likewise.
3020 (insert_into_preds_of_block): Adjust.
3021 (create_value_expr_from): If asked for, verify all operands
3022 are in the blocks AVAIL_OUT set.
3023 (make_values_for_stmt): Check for SSA_NAMEs that are life
3024 over an abnormal edge.
3025 (compute_avail): Remove such check.
3026 (do_SCCVN_insertion): New function.
3027 (eliminate): If we do not find a leader suitable for replacement
3028 insert a replacement expression from SCCVN if available.
3029 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3030 (struct vn_ssa_aux): Add needs_insertion flag.
3031 * tree-ssa-sccvn.c (may_insert): New global flag.
3032 (copy_reference_ops_from_ref): Value-number union member access
3033 based on its size, not type and member if insertion is allowed.
3034 (visit_reference_op_load): For a weak match from union type
3035 punning lookup a view-converted value and insert a SSA_NAME
3036 for that value if that is not found.
3037 (visit_use): Make dumps shorter. Do not disallow value numbering
3038 SSA_NAMEs that are life over an abnormal edge to constants.
3039 (free_scc_vn): Release inserted SSA_NAMEs.
3040 (run_scc_vn): New flag to specify whether insertion is allowed.
3041 Process SSA_NAMEs in forward order.
3042 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3043 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3044 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3045 pointer type to/from integral types that do not change the
3046 precision to regular conversions.
3048 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3050 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3051 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3052 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3053 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3054 input arguments and the mode of return value. Built-in functions
3055 that operate on whole 64-bit MMX register now use V1DI mode.
3057 2008-03-13 Alon Dayan <alond@il.ibm.com>
3058 Olga Golovanevsky <olga@il.ibm.com>
3060 PR tree-optimization/35041
3061 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3062 to locate the right position in a statement.
3064 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3068 * config/i386/xmmintrin.h: Change all static inline functions to
3069 extern inline and add __gnu_inline__ attribute.
3070 * config/i386/bmintrin.h: Ditto.
3071 * config/i386/smmintrin.h: Ditto.
3072 * config/i386/tmmintrin.h: Ditto.
3073 * config/i386/mmintrin-common.h: Ditto.
3074 * config/i386/ammintrin.h: Ditto.
3075 * config/i386/emmintrin.h: Ditto.
3076 * config/i386/pmmintrin.h: Ditto.
3077 * config/i386/mmintrin.h: Ditto.
3078 * config/i386/mm3dnow.h: Ditto.
3080 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3083 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3084 (lower_omp_2): New function.
3085 (lower_omp_1, lower_omp): Rewritten.
3087 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3090 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3091 with the phrase "Microsoft Windows compilers".
3092 (Push/Pop Macro Pragmas): New subsection. Document
3093 #pragma push_macro and pragma pop_macro.
3095 2008-03-12 Paul Brook <paul@codesourcery.com>
3097 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3099 2008-03-12 Paul Brook <paul@codesourcery.com>
3101 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3102 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3103 (thumb2_addsi_shortim): Rename ...
3104 (thumb2_addsi_short): ... to this. Allow register operands.
3105 (thumb2_subsi_short): New pattern.
3106 (thumb2_one_cmplsi2_short,
3107 thumb2_negsi2_short): New patterns and peepholes.
3109 2008-03-12 Paul Brook <paul@codesourcery.com>
3111 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3113 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/i386.md (int_cond): New code iterator.
3117 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3118 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3119 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3120 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3121 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3122 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3123 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3124 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3126 2008-03-12 Paul Brook <paul@codesourcery.com>
3128 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3129 instead of {arm,thumb}_compute_save_reg_mask.
3130 (output_return_instruction): Ditto.
3131 (thumb_unexpanded_epilogue): Ditto.
3132 (thumb1_expand_prologue): Ditto.
3133 (thumb1_output_function_prologue): Ditto.
3134 (arm_set_return_address): Ditto.
3135 (thumb_set_return_address): Ditto.
3136 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3137 regs to achieve stack alignment.
3138 (thumb1_compute_save_reg_mask): Fix compiler warning.
3139 (arm_output_epilogue): Use offsets->saved_regs_mask.
3140 Adjust stack pointer by poping call clobered registers.
3141 (arm_expand_prologue): Use offsets->saved_regs_mask.
3142 Adjust stack pointer by pushing extra registers.
3143 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3145 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3148 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3149 conversion to the operands of a multiplication.
3151 2008-03-12 Richard Guenther <rguenther@suse.de>
3153 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3154 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3155 * timevar.def (TV_TREE_PHIPROP): Add.
3156 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3157 pass description. Use TV_TREE_PHIPROP.
3158 * tree-ssa-forwprop.c: Remove phiprop code.
3160 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3163 * omp-low.c (maybe_lookup_decl): Constify first argument.
3164 (use_pointer_for_field): Change last argument from bool to
3165 omp_context *. Disallow shared copy-in/out in nested
3166 parallel if decl is shared in outer parallel too.
3167 (build_outer_var_ref, scan_sharing_clauses,
3168 lower_rec_input_clauses, lower_copyprivate_clauses,
3169 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3171 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3172 Ira Rosen <irar@il.ibm.com>
3174 * tree-vectorizer.c (free_stmt_vec_info): New function.
3175 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3176 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3177 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3178 * tree-vect-transform.c (vectorizable_conversion): Free
3179 vec_oprnds0 if it was allocated.
3180 (vect_permute_store_chain): Remove unused VECs.
3181 (vectorizable_store): Free VECs that are allocated in the..
3183 (vect_transform_strided_load, vectorizable_load): Likewise.
3184 (vect_remove_stores): Simplify the code.
3185 (vect_transform_loop): Move code to vect_remove_stores().
3186 Call vect_remove_stores() and free_stmt_vec_info().
3188 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3190 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3191 TARGET_HPUX. Revise comment.
3192 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3193 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3194 Use sr4 variant of `be' instruction when not generating PIC code.
3195 (attr_length_call): Adjust for above change.
3197 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3199 * ipa-reference.c (static_execute): Remove module_statics_const and
3200 associated setting code.
3202 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3205 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3206 predicate for operand 1.
3207 (paritysi2_cmp): Use register_operand predicate for operand 2.
3208 Use earlyclobber modifier for operand 1. Remove support for
3210 (paritydi2_cmp): Use register_operand predicate for operand 3.
3211 Use earlyclobber modifier for operand 1. Remove support for
3214 2008-03-11 Paul Brook <paul@codesourcery.com>
3215 Vladimir Prus <vladimir@codesourcery.com>
3217 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3218 (arm_compute_save_reg0_reg12_mask): Always
3219 check if register 11 must be saved. Always safe hard frame pointer
3220 when frame_pointer_needeed.
3221 (arm_compute_save_reg_mask): Save IP and PC
3222 only with apcs frames.
3223 (arm_output_epilogue): Adjust Thumb2 codepath to
3224 be also invoked and work for ARM non-apcs frames.
3225 (arm_expand_prologue): Don't bother saving IP
3226 for non-apcs frame, since it's not clobbered by
3227 prologue code. Implement non-apcs frame
3230 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3232 PR rtl-optimization/35281
3233 * expr.c (convert_move): Use a new pseudo for the intermediate
3234 from_mode->word_mode result.
3236 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3238 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3239 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3240 * toplev.c (compile_file): Don't call it.
3242 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3245 * expr.c (store_expr): Call emit_block_move if the mode
3246 of "temp" RTX is BLKmode.
3248 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3249 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/31358
3252 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3253 the step with a NULL_TREE.
3254 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3255 to sizetype if type is a pointer type.
3256 (add_candidate_1): Don't convert the base and step to
3257 the generic type if the orginal type is a pointer type.
3258 (add_iv_value_candidates): Use sizetype for the step
3259 if type is a pointer type.
3260 (cand_value_at): Likewise.
3261 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3263 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3264 Don't convert the tem affine to the type.
3265 (add_elt_to_tree): Use sizetype for the step if a pointer.
3266 Use POINTER_PLUS_EXPR for pointers.
3267 (aff_combination_to_tree): Use sizetype for the step if a
3270 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3272 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3273 Remove commutativity hint.
3275 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3279 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3280 errorneous type. Check that v is a VAR_DECL.
3283 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3285 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3287 PR tree-optimization/35494
3288 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3289 may be overriden at link and run time.
3291 2008-03-10 Richard Guenther <rguenther@suse.de>
3293 PR tree-optimization/34677
3294 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3295 (poolify_tree): Likewise.
3296 (modify_expr_template): Likewise.
3297 (poolify_modify_stmt): Likewise.
3298 (insert_fake_stores): Handle all component-ref style stores
3299 in addition to INDIRECT_REF. Also handle complex types.
3300 Do not poolify the inserted load.
3301 (realify_fake_stores): Do not rebuild the tree but only
3302 make it a SSA_NAME copy.
3303 (init_pre): Remove initialzation of modify_expr_template.
3304 Do not allocate modify_expr_node_pool.
3305 (fini_pre): Do not free modify_expr_node_pool.
3307 2008-03-10 Paul Brook <paul@codesourcery.com>
3309 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3312 2008-03-10 Paul Brook <paul@codesourcery.com>
3313 Mark Shinwell <shinwell@codesourcery.com>
3315 * config/arm/cortex-r4.md: New.
3316 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3318 * config/arm/arm.md: Include cortex-r4.md.
3319 (insn): Add smmls, sdiv and udiv values.
3320 (generic_sched): Don't use generic scheduling for Cortex-R4.
3321 (arm_issue_rate): New function.
3322 (TARGET_SCHED_ISSUE_RATE): Define.
3324 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3326 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3328 2008-03-10 Richard Guenther <rguenther@suse.de>
3330 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3331 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3333 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3335 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3336 Set default to true.
3338 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3340 * c.opt (Wsynth): Deprecate.
3341 * doc/invoke.texi (Option Summary, Warning Options): Document
3342 -Wno-format-contains-nul.
3344 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3347 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3348 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3350 2008-03-09 Ira Rosen <irar@il.ibm.com>
3352 * config/rs6000/rs6000.c (builtin_description): Rename vector
3353 left shift operations.
3354 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3355 (altivec_vsl<VI_char>): Rename to ...
3356 (ashl<mode>3): ... new name.
3357 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3359 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3361 2008-03-08 Richard Guenther <rguenther@suse.de>
3363 * coverage.h (tree_coverage_counter_addr): Declare.
3364 * coverage.c (tree_coverage_counter_addr): New function.
3365 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3367 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3368 (tree_gen_one_value_profiler): Likewise.
3369 (tree_gen_ic_profiler): Likewise.
3370 (tree_gen_average_profiler): Likewise.
3371 (tree_gen_ior_profiler): Likewise.
3373 2008-03-08 Richard Guenther <rguenther@suse.de>
3375 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3376 (vn_binary_op_insert): Likewise.
3377 (vn_unary_op_lookup): Likewise.
3378 (vn_unary_op_insert): Likewise.
3379 (vn_nary_op_lookup): Declare.
3380 (vn_nary_op_insert): Likewise.
3381 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3382 and binary hashes, use a single obstack for unary_op_pool
3384 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3385 a single struct vn_nary_op_s. Store tree code length and
3386 a variable number of operands.
3387 (struct vn_reference_op_struct): Remove unused op2.
3388 (vn_reference_op_eq): Do not compare op2.
3389 (vn_reference_op_compute_hash): Do not compute hash of op2.
3390 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3391 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3392 with vn_nary_op_compute_hash.
3393 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3394 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3396 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3398 (visit_unary_op): Call nary functions.
3399 (visit_binary_op): Likewise.
3400 (process_scc): Adjust for struct vn_tables_s changes.
3401 (allocate_vn_table): Likewise.
3402 (free_vn_table): Likewise.
3403 * tree-vn.c (vn_add): Call nary functions.
3404 (vn_lookup): Likewise.
3406 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3409 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3410 wdst back after sync_compare_and_swapqhi_internal.
3412 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3415 * config/i386/i386-modes.def (V1DI): New vector mode.
3416 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3417 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3418 (MMXMODE248): Ditto.
3419 (MMXMODE): Add V1DI mode.
3420 (mmxvecsize): Change DI mode to V1DI mode.
3421 ("mov<mode>): Use MMXMODEI8 mode iterator.
3422 ("*mov<mode>_internal_rex64"): Ditto.
3423 ("*mov<mode>_internal"): Ditto.
3424 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3425 ("mmx_sub<mode>3"): Ditto.
3426 ("mmx_adddi3"): Remove insn pattern.
3427 ("mmx_subdi3"): Ditto.
3428 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3429 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3430 ("mmx_ashl<mode>3"): Ditto.
3431 ("mmx_lshrdi3"): Remove insn pattern.
3432 ("mmx_ashldi3"): Ditto.
3433 * config/i386/i386.c (classify_argument): Handle V1DImode.
3434 (function_arg_advance_32): Ditto.
3435 (function_arg_32): Ditto.
3436 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3437 mmx_addv1di3 insn pattern.
3438 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3439 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3440 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3441 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3442 Remove definitions of built-in functions.
3443 (V1DI_type_node): New node.
3444 (v1di_ftype_v1di_int): Ditto.
3445 (v1di_ftype_v1di_v1di): Ditto.
3446 (v2si_ftype_v2si_si): Ditto.
3447 (v4hi_ftype_v4hi_di): Remove node.
3448 (v2si_ftype_v2si_di): Ditto.
3449 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3450 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3451 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3452 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3453 Add new builtins using def_builtin_const.
3454 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3455 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3456 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3457 * config/i386/mmintrin.h (__v1di): New typedef.
3458 (_mm_add_si64): Cast arguments to __v1di type.
3459 (_mm_sub_si64): Ditto.
3460 (_mm_sll_pi16): Cast __count to __v4hi type.
3461 (_mm_sll_pi32): Cast __count to __v2si type.
3462 (_mm_sll_si64): Cast arguments to __v1di type.
3463 (_mm_srl_pi16): Cast __count to __v4hi type.
3464 (_mm_srl_pi32): Cast __count to __v2si type.
3465 (_mm_srl_si64): Cast arguments to __v1di type.
3466 (_mm_sra_pi16): Cast __count to __v4hi type.
3467 (_mm_sra_pi32): Cast __count to __v2si type.
3468 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3469 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3470 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3471 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3472 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3473 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3474 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3475 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3476 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3477 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3478 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3479 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3481 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3483 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3485 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3488 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3489 reg+const addressing for Altivec modes. Don't generate reg+reg
3490 addressing for TFmode or TDmode quantities.
3492 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3494 * c-common.c (vector_types_convertible_p): Call langhook
3495 instead of comptypes.
3497 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3500 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
3501 integral and scalar float variables which have a
3504 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
3506 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
3507 dwarf_register_span hook when emitting unwind information for
3508 register-to-memory saves.
3509 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
3510 (rs6000_frame_related): Remove call to spe_synthesize_frame.
3512 2008-03-06 Jakub Jelinek <jakub@redhat.com>
3514 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
3515 for the same VAR_DECL.
3517 2008-03-06 Tom Tromey <tromey@redhat.com>
3520 * doc/standards.texi (Standards): Don't mention treelang.
3521 * doc/invoke.texi (Overall Options): Don't mention treelang.
3522 * doc/install.texi (Prerequisites): Don't mention bison or
3524 (Configuration): Don't mention treelang.
3525 (Building): Likewise.
3526 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
3528 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
3530 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
3531 word-extractions out of a multi-word object.
3533 2008-03-06 Richard Guenther <rguenther@suse.de>
3535 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
3536 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
3537 result type and precision.
3538 * expr.c (get_inner_reference): Set unsignedp based on the result
3539 type of BIT_FIELD_REF.
3540 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
3541 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
3542 (try_instantiate_multiple_fields): Likewise. Use the correct type
3544 (sra_build_assignment): Likewise.
3545 (sra_build_elt_assignment): Likewise.
3546 (sra_explode_bitfield_assignment): Likewise.
3547 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
3548 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
3549 set BIT_FIELD_REF_UNSIGNED.
3550 (vectorizable_load): Likewise.
3552 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
3554 * cse.c (cse_extended_basic_block): Invalidate artificial defs
3557 2008-03-06 Richard Guenther <rguenther@suse.de>
3559 * alias.c (struct alias_set_entry): Move has_zero_child field
3560 to pack with alias_set.
3562 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3564 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3567 2008-03-05 Ian Lance Taylor <iant@google.com>
3569 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
3571 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
3573 * fwprop.c (update_df): Support width and offset parameters of
3575 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
3576 global_conflicts): Change DF_REF_EXTRACT to either
3577 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3578 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3579 * df-scan.c (df_ref_record, df_defs_record,
3580 df_ref_create_structure, df_def_record_1, df_uses_record,
3581 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
3582 df_bb_refs_collect, df_entry_block_defs_collect,
3583 df_exit_block_uses_collect): Support new width and offset fields.
3584 (ref_extract_pool): New storage pool.
3585 (df_free_ref): New function.
3586 (df_reg_chain_unlink, df_free_collection_rec,
3587 df_sort_and_compress_refs): Call df_free_ref.
3588 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
3590 (df_ref_create_structure): Allocate df_ref_extract if offset and
3591 width fields are used.
3592 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
3593 (df_uses_record): Get offset and width from ZERO_EXTRACT
3595 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
3596 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3597 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3598 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
3599 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
3600 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
3601 (df_ref_extract): New structure.
3602 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
3603 (df_ref_create): Add width and offset parameters.
3605 2008-03-05 Richard Guenther <rguenther@suse.de>
3607 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3608 Use ranges_overlap_p.
3609 (offset_overlaps_with_access): Rename
3610 to ranges_overlap_p and move ...
3611 * tree-flow-inline.h (ranges_overlap_p): ... here.
3613 * tree.h (get_inner_reference, handled_component_p): Update
3616 * tree.h (record_component_aliases, get_alias_set,
3617 alias_sets_conflict_p, alias_sets_must_conflict_p,
3618 objects_must_conflict_p): Move declarations ...
3619 * alias.h (record_component_aliases, get_alias_set,
3620 alias_sets_conflict_p, alias_sets_must_conflict_p,
3621 objects_must_conflict_p): ... here.
3622 Include coretypes.h.
3623 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
3625 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
3627 * cfg.c: Include tree-flow.h.
3628 (remove_edge_raw): Call redirect_edge_var_map_clear.
3629 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
3630 * tree-flow-inline.h (redirect_edge_var_map_def): New.
3631 (redirect_edge_var_map_result): New.
3632 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
3633 PENDING_STMT use with redirect_edge_var_map_*.
3634 * tree-ssa.c (edge_var_maps): New definition.
3635 (redirect_edge_var_map_add): New.
3636 (redirect_edge_var_map_clear): New.
3637 (redirect_edge_var_map_dup): New.
3638 (redirect_edge_var_map_vector): New.
3639 (redirect_edge_var_map_destroy): New.
3640 (ssa_redirect_edge): Replace PENDING_STMT use with
3641 redirect_edge_var_map_*.
3642 (flush_pending_stmts): Same.
3643 (delete_tree_ssa): Destroy edge var map.
3644 * tree-flow.h (struct _edge_var_map): New.
3645 Define edge_var_map vector type.
3646 Declare redirect_edge_var_map_* prototypes.
3647 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
3648 * tree-cfg.c (reinstall_phi_args): Replace
3649 PENDING_STMT use with redirect_edge_var_map_*.
3651 2008-03-05 Richard Guenther <rguenther@suse.de>
3653 PR tree-optimization/35472
3654 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
3655 whose single use_stmt has a overlapping set of loaded and
3656 stored symbols as that use_stmt might be a noop assignment then.
3658 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3660 * gthr-rtems.h: Implement __gthread_mutex_destroy.
3662 2008-03-05 Richard Guenther <rguenther@suse.de>
3665 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
3666 should be constants.
3667 * tree-cfg.c (verify_expr): Verify it.
3668 * fold-const.c (fold_truthop): Remove code generating
3669 BIT_FIELD_REFs of structure bases.
3670 (fold_binary): Likewise.
3671 (fold_ternary): Position and size of BIT_FIELD_REFs are
3672 always host integers.
3673 (make_bit_field_ref): Remove.
3674 (optimize_bit_field_compare): Remove.
3675 (all_ones_mask_p): Remove.
3677 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
3680 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
3681 (split_block_and_df_analyze): New. Split basic block and rebuild
3683 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
3685 (split_pattern_seq): Likewise.
3686 (erase_matching_seqs): Likewise.
3687 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
3689 2008-03-04 Geoff Keating <geoffk@apple.com>
3691 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
3692 declaration and code.
3693 (tree_invalid_nonnegative_warnv_p): Likewise.
3695 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3697 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
3698 examples. Truncate option-names then causing overfull hbox.
3700 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3703 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
3705 * configure: Rebuilt.
3707 2008-03-04 Rafael Espindola <espindola@google.com>
3709 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
3710 (tree_unary_nonnegative_warnv_p): New.
3711 (tree_binary_nonnegative_warnv_p): New.
3712 (tree_single_nonnegative_warnv_p): New.
3713 (tree_invalid_nonnegative_warnv_p): New.
3714 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
3716 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3719 * opts.c (handle_option): Postpone 'unknown option' errors only for
3722 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
3725 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
3728 2008-03-04 Rafael Espindola <espindola@google.com>
3730 * fold-const.c (tree_unary_nonzero_warnv_p): New.
3731 (tree_binary_nonzero_warnv_p): New.
3732 (tree_single_nonzero_warnv_p): New.
3733 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
3735 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
3738 * fold-const.c (fold_cond_expr_with_comparison): Prevent
3739 transformations for modes that have signed zeros.
3740 * ifcvt.c (noce_try_abs): Ditto.
3742 2008-03-04 Joseph Myers <joseph@codesourcery.com>
3744 * config/i386/i386.c (override_options): Force
3745 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
3747 2008-03-04 Jan Hubicka <jh@suse.cz>
3750 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
3753 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3755 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
3756 label to probe the stack.
3758 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
3760 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
3761 (__gthr_win32_mutex_destroy): Declare.
3762 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
3763 __gthr_win32_mutex_destroy.
3764 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
3766 2008-03-03 Jan Hubicka <jh@suse.cz>
3769 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
3770 aggressive on inlining cold calls.
3772 2008-03-03 Richard Guenther <rguenther@suse.de>
3774 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
3775 struct copies into the expression table.
3776 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
3777 (try_to_simplify): Likewise.
3778 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
3779 integral and pointer arguments which do not change the
3780 precision to NOP_EXPRs.
3781 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
3782 VIEW_CONVERT_EXPR case.
3784 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
3786 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
3787 defined in a loop at depth 0 is invariant.
3788 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
3789 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
3790 be called at loop depth 0.
3792 2008-03-02 Jakub Jelinek <jakub@redhat.com>
3795 * gcc.c (process_command): Update copyright notice dates.
3796 * gcov.c (print_version): Likewise.
3797 * gcov-dump.c (print_version): Likewise.
3798 * mips-tfile.c (main): Likewise.
3799 * mips-tdump.c (main): Likewise.
3801 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3804 * c-common.c (flag_permissive): Delete.
3805 (constant_expression_warnings): Check flags first.
3806 (constant_expression_error): New.
3807 * c-common.h (flag_permissive): Delete.
3808 (constant_expression_error): Declare.
3809 * flags.h (flag_permissive): Declare. Update description.
3810 * diagnostic.c (pedwarn): Update.
3812 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
3813 (permissive_error_kind): New.
3814 * toplev.c (flag_permissive): Define. Update description.
3815 * toplev.h (permissive_error_kind): Declare.
3816 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
3817 (pedwarn_c90): Use pedantic_warning_kind.
3818 * c-opts.c (c_common_post_options): flag_permissive does not affect
3819 flag_pedantic_errors.
3821 2008-03-02 Joseph Myers <joseph@codesourcery.com>
3823 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
3824 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
3825 __absvsi2, __absvDI2): Use unsigned arithmetic.
3827 2008-03-02 Andi Kleen <ak@suse.de>
3828 Richard Guenther <rguenther@suse.de>
3830 * struct-equiv.c: Remove file.
3831 * cfg_cleanup.c (condjump_equiv_p): Remove.
3832 * Makefile.in (OBJS-common): Remove struct-equiv.o.
3833 (struct-equiv.o): Remove rule.
3834 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
3835 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
3836 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
3838 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3840 * ifcvt.c (noce_process_if_block): Try to handle only the then
3841 block if the else block exists but isn't suitable.
3843 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3846 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
3847 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
3848 regression from previous patch.
3850 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
3853 * gthr.h: Add __gthread_mutex_destroy as a function that must be
3855 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
3856 * gthr-single.h (__gthread_mutex_destroy): Likewise.
3857 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
3858 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
3859 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
3860 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
3861 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
3862 (__gthread_mutex_destroy_function): Rename to
3863 __gthread_mutex_destroy.
3864 * gthr-dce.h (__gthread_mutex_destroy): Call
3865 pthread_mutex_destroy.
3866 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
3867 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
3868 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
3870 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3872 * df-scan.c (df_ref_chain_change_bb): Simplify.
3873 (df_insn_change_bb): Add new_bb argument. Simplify. Call
3874 set_block_for_insn if there's any change.
3875 * df.h ((df_insn_change_bb): Fix prototype.
3876 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
3877 df_insn_change_bb, don't call set_block_for_insn.
3878 * emit-rtl.c (reorder_insns): Likewise.
3879 * haifa-sched.c (move_insn): Likewise.
3881 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3883 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
3885 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
3887 * tree-flow-inline.h (next_readonly_imm_use): Return
3888 NULL_USE_OPERAND_P after the end.
3890 2008-03-01 Richard Guenther <rguenther@suse.de>
3892 PR tree-optimization/35411
3893 * tree-sra.c (sra_build_assignment): Split conversion to
3894 final type to a separate statement if we are not assigning
3897 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3899 * fold-const.c (fold_convertible_p): Correct the logic to follow
3900 that in fold_convert().
3902 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
3905 * tree-inline.c (build_duplicate_type): When we make a
3906 duplicate type, make it unique in the canonical types system.
3908 2008-02-29 Tom Tromey <tromey@redhat.com>
3910 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
3911 input_file_stack_history, input_file_stack_restored): Remove.
3912 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3913 * input.h (struct file_stack): Remove.
3914 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
3915 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
3917 * diagnostic.h (struct diagnostic_context) <last_module>: Change
3919 (diagnostic_last_module_changed): Add 'map' argument.
3920 (diagnostic_set_last_function): Likewise.
3921 * diagnostic.c (undiagnostic_report_current_module): Iterate using
3922 line map, not input_file_stack.
3923 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
3925 2008-02-29 Paul Brook <paul@codesourcery.com>
3927 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
3929 2008-02-29 Paul Brook <paul@codesourcery.com>
3931 * config/arm/ieee754-df.S (muldf3): Use RET macros.
3933 2008-02-29 Richard Guenther <rguenther@suse.de>
3935 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
3937 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
3938 value for comparing for a store match.
3939 (simplify_unary_expression): Do nothing for SSA_NAMEs.
3940 (try_to_simplify): Do not do a full-blown reference lookup.
3942 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3944 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
3945 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3947 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
3949 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
3951 * tree-loop-linear.c (try_interchange_loops): Compare memory access
3952 strides against cache sizes.
3954 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
3956 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
3959 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
3961 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
3962 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
3963 is smaller than the original promoted value.
3964 (simplify_subreg): If OP is a SUBREG, try to preserve its
3965 SUBREG_PROMOTED_VAR_P information.
3967 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3969 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
3970 (VN_INFO_GET): Allocate new objects on the obstack.
3971 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
3972 for rpo_numbers_temp, for consistency.
3973 (free_scc_vn): Free the obstack.
3975 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
3977 * doc/invoke.texi: Document -ftree-loop-distribution.
3978 * tree-loop-distribution.c: New.
3979 * tree-pass.h (pass_loop_distribution): New.
3980 * graphds.h (struct graph): Add htab_t indices.
3981 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
3982 * tree-vectorizer.c (rename_variables_in_loop): Extern.
3983 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
3984 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
3985 * tree-data-ref.c (debug_data_dependence_relations): New.
3986 (dump_data_dependence_relation): Also print data references.
3987 (free_data_ref): Extern.
3988 (same_access_functions): Moved...
3989 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
3990 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3991 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3992 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3993 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3994 (stmts_from_loop): Skip LABEL_EXPR.
3995 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3997 (build_rdg): Initialize rdg->indices htab.
3998 (free_rdg, stores_from_loop, ref_base_address,
3999 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4000 have_similar_memory_accesses_1, ref_base_address_1,
4001 remove_similar_memory_refs): New.
4002 * tree-data-ref.h: Depend on tree-chrec.h.
4003 (debug_data_dependence_relations, free_data_ref): Declared.
4004 (same_access_functions): ... here.
4005 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4007 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4008 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4009 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4010 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4011 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4012 rdg_vertex_for_stmt): Declared.
4013 (struct rdg_edge): Add level.
4015 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4016 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4018 (rdg_has_similar_memory_accesses): New.
4019 * tree-vect-analyze.c: Remove unused static decls.
4020 * lambda.h (dependence_level): New.
4021 * common.opt (ftree-loop-distribution): New.
4022 * tree-flow.h (mark_virtual_ops_in_bb,
4023 slpeel_tree_duplicate_loop_to_edge_cfg,
4024 rename_variables_in_loop): Declared.
4025 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4026 (OBJS-common): Add tree-loop-distribution.o.
4027 (tree-loop-distribution.o): New rule.
4028 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4029 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4030 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4032 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4035 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4036 other than structures and unions.
4038 2008-02-28 Richard Guenther <rguenther@suse.de>
4041 2008-02-26 Richard Guenther <rguenther@suse.de>
4043 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4044 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4045 (lookup_decl_from_uid): Declare.
4046 (remove_decl_from_map): Likewise.
4047 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4048 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4049 (decl_for_uid_map): New global hashtable mapping DECL_UID
4051 (init_ttree): Allocate it.
4052 (insert_decl_to_uid_decl_map): New helper function.
4053 (make_node_stat): Insert new decls into the map.
4054 (copy_node_stat): Likewise.
4055 (lookup_decl_from_uid): New function.
4056 (remove_decl_from_map): Likewise.
4057 (print_decl_for_uid_map_statistics): New helper.
4058 (dump_tree_statistics): Call it.
4060 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4061 (referenced_var_iterator): Adjust.
4062 (FOR_EACH_REFERENCED_VAR): Adjust.
4063 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4064 (num_referenced_vars): Adjust.
4065 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4066 (first_referenced_var): Remove.
4067 (end_referenced_vars_p): Likewise.
4068 (next_referenced_var): Likewise.
4069 (referenced_var_iterator_set): New helper function.
4070 * tree-dfa.c (referenced_var_lookup): Adjust.
4071 (referenced_var_check_and_insert): Likewise.
4072 (remove_referenced_var): Likewise.
4073 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4074 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4075 (verify_call_clobbering): Likewise.
4076 (verify_memory_partitions): Likewise.
4077 (init_tree_ssa): Allocate bitmap instead of hashtable for
4079 (delete_tree_ssa): Adjust.
4080 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4081 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4082 (compute_tag_properties): Likewise.
4083 (set_initial_properties): Likewise.
4084 (find_partition_for): Likewise.
4085 (update_reference_counts): Likewise.
4086 (dump_may_aliases_for): Likewise.
4087 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4088 (add_call_clobber_ops): Likewise.
4089 (add_call_read_ops): Likewise.
4090 (get_asm_expr_operands): Likewise.
4091 * tree-into-ssa.c (dump_decl_set): Likewise.
4092 (update_ssa): Likewise.
4093 * tree-sra.c (scan_function): Likewise.
4094 (decide_instantiations): Likewise.
4095 (scalarize_parms): Likewise.
4096 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4097 (dsa_named_for): Likewise.
4098 * tree-ssa-structalias.c (update_alias_info): Likewise.
4099 (merge_smts_into): Likewise.
4101 2008-02-27 David Daney <ddaney@avtrex.com>
4104 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4105 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4106 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4107 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4108 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4110 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4113 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4114 (BUILT_IN_NEXTTOWARD): Remove.
4115 (BUILT_IN_NEXTTOWARDF): Ditto.
4116 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4117 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4119 2008-02-27 Tom Tromey <tromey@redhat.com>
4121 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4122 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4124 2008-02-27 Jan Beulich <jbeulich@novell.com>
4126 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4127 update the respective field on newdecl.
4129 2008-02-27 Revital Eres <eres@il.ibm.com>
4131 PR rtl-optimization/34999
4132 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4133 crossing edges that ends with a call insn.
4134 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4135 call insn and clear the EDGE_CROSSING flag of the crossing edge
4136 when fixing fallthru edges.
4138 2008-02-27 Richard Guenther <rguenther@suse.de>
4141 * fold-const.c (fold_unary): Return the correct argument,
4142 converted to the result type.
4144 2008-02-27 Richard Guenther <rguenther@suse.de>
4147 * expr.c (expand_expr_real_1): Assert on rotates that operate
4149 * fold-const.c (fold_binary): Use the types precision, not the
4150 bitsize of the mode if folding rotate expressions. Build rotates
4151 only for full modes.
4153 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4155 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4157 * c-pragma.c (pragma_ns_name): New typedef.
4158 (registered_pp_pragmas): New variable.
4159 (c_pp_lookup_pragma): New function.
4160 (c_register_pragma_1): If flag_preprocess_only, do nothing
4161 for non-expanded pragmas, for expanded ones push pragma's
4162 namespace and name into registered_pp_pragmas vector.
4163 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4164 flag_preprocess_only, don't register GCC pch_preprocess
4165 pragma if flag_preprocess_only.
4166 * c-opts.c (c_common_init): Call init_pragma even if
4167 flag_preprocess_only.
4168 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4169 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4170 cpp_register_pragma if flag_preprocess_only.
4172 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4175 * c-parser.c (c_parser_translation_unit): Warn for empty
4176 translation unit, not empty source file.
4178 2008-02-26 Paul Brook <paul@codesourcery.com>
4180 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4181 operand for Thumb-2.
4182 * config/arm/arm.h (reg_class): Add CORE_REGS.
4183 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4184 (BASE_REG_CLASS): Use CORE_REGS.
4185 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4186 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4187 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4188 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4189 ARM_REGNO_OK_FOR_INDEX_P.
4190 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4191 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4192 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4193 (ldm/stm peepholes): Ditto.
4194 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4195 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4196 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4197 * config/arm/constraints.md: Enable "k" constraint on ARM.
4199 2008-02-27 Ben Elliston <bje@au.ibm.com>
4201 * config/rs6000/rs6000.c: Annotate cache line size field in all
4202 instances of struct processor_costs.
4204 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4206 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4207 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4208 jump_bypass): New counters.
4209 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4210 * dce.c (gate_ud_dce): Same.
4211 (gate_fast_dce): Same.
4212 * dse.c (gate_dse1): New function.
4213 (gate_dse2): New function.
4214 (gate_dse): Merge results of new gate functions.
4215 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4216 (gate_handle_jump_bypass): Add dbg_cnt.
4217 (gate_handle_gcse): Add dbg_cnt.
4218 * ifcvt.c (gate_handle_if_conversion): Same.
4219 (gate_handle_if_after_combine): Same.
4220 (gate_handle_if_after_reload): Same.
4221 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4223 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4225 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4227 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4229 2008-02-26 Jason Merrill <jason@redhat.com>
4232 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4233 alone if it's the naming decl for the type's main variant.
4235 2008-02-26 Tom Tromey <tromey@redhat.com>
4237 * system.h (USE_MAPPED_LOCATION): Poison.
4238 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4239 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4240 (make_goto_expr_edges): Likewise.
4241 (remove_bb): Likewise.
4242 (execute_warn_function_return): Likewise.
4243 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4245 * c-common.c (fname_decl): Remove old location code.
4246 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4248 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4250 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4251 (gen_rtx_ASM_INPUT): Likewise.
4252 (gen_rtx_ASM_INPUT_loc): Likewise.
4253 (get_rtx_asm_OPERANDS): Remove.
4254 * cfglayout.c (insn_locators_alloc): Remove old location code.
4255 (set_curr_insn_source_location): Likewise.
4256 (curr_insn_locator): Likewise.
4257 * print-tree.c (print_node): Remove old location code.
4258 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4259 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4260 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4261 location_from_locus.
4262 (construct_exit_block): Remove old location code.
4263 * emit-rtl.c (force_next_line_note): Remove old location code.
4264 * profile.c (branch_prob): Remove old location code.
4265 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4266 LOC_LINE): Remove old-location variants.
4267 * langhooks.c (lhd_print_error_function): Remove old location
4269 * configure, config.in: Rebuilt.
4270 * configure.ac (--enable-mapped-location): Remove.
4271 * c-decl.c (c_init_decl_processing): Remove old location code.
4272 (finish_function): Likewise.
4273 * recog.c (decode_asm_operands): Remove old location code.
4274 * c-pch.c (c_common_read_pch): Remove old location code.
4275 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4277 * gimple-low.c (lower_function_body): Remove old location code.
4278 * toplev.c (unknown_location): Remove.
4279 (push_srcloc): Remove old-location variant.
4280 (process_options): Remove old location code.
4281 (lang_dependent_init): Likewise.
4282 * input.h (UNKNOWN_LOCATION): Move definition.
4283 (location_t): Undeprecate.
4284 (source_locus): Remove.
4285 (location_from_locus): Remove.
4286 (struct location_s): Remove.
4287 Remove all old-location code.
4288 (input_line, input_filename): Remove.
4289 * final.c (final_scan_insn): Remove old location code.
4290 * diagnostic.c (diagnostic_build_prefix): Remove
4291 USE_MAPPED_LOCATION test.
4292 * tree.h (gimple_stmt) <locus>: Now a location_t.
4293 (tree_exp) <locus>: Likewise.
4294 (DECL_IS_BUILTIN): Remove old-location variant.
4295 (annotate_with_file_line, annotate_with_locus): Likewise.
4296 (expr_locus, set_expr_locus): Update.
4297 * tree.c (build1_stat): Remove old location code.
4298 (last_annotated_node): Remove.
4299 (annotate_with_file_line): Remove old-location variant.
4300 (annotate_with_locus): Likewise.
4301 (expr_location): Remove old location code.
4302 (set_expr_location): Likewise.
4303 (expr_has_location): Likewise.
4304 (expr_locus): Likewise.
4305 (set_expr_locus): Likewise.
4306 (expr_filename): Don't use location_from_locus.
4307 (expr_lineno): Likewise.
4308 * rtl-error.c (location_for_asm): Remove old location code.
4309 * c-lex.c (cb_line_change): Remove old location code.
4310 (fe_file_change): Likewise.
4311 (cb_def_pragma): Likewise.
4312 (c_lex_with_flags): Likewise.
4313 * gengtype.c (do_typedef): Don't special-case location types.
4314 (define_location_structures): Remove.
4315 (main): Don't call define_location_structures.
4316 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4319 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4322 * builtins.def (BUILT_IN_STDARG_START): Remove.
4323 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4324 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4325 * tree-inline.c (inline_forbidden_p_1): Likewise.
4327 2008-02-26 Richard Guenther <rguenther@suse.de>
4329 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4330 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4331 (lookup_decl_from_uid): Declare.
4332 (remove_decl_from_map): Likewise.
4333 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4334 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4335 (decl_for_uid_map): New global hashtable mapping DECL_UID
4337 (init_ttree): Allocate it.
4338 (insert_decl_to_uid_decl_map): New helper function.
4339 (make_node_stat): Insert new decls into the map.
4340 (copy_node_stat): Likewise.
4341 (lookup_decl_from_uid): New function.
4342 (remove_decl_from_map): Likewise.
4343 (print_decl_for_uid_map_statistics): New helper.
4344 (dump_tree_statistics): Call it.
4346 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4347 (referenced_var_iterator): Adjust.
4348 (FOR_EACH_REFERENCED_VAR): Adjust.
4349 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4350 (num_referenced_vars): Adjust.
4351 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4352 (first_referenced_var): Remove.
4353 (end_referenced_vars_p): Likewise.
4354 (next_referenced_var): Likewise.
4355 (referenced_var_iterator_set): New helper function.
4356 * tree-dfa.c (referenced_var_lookup): Adjust.
4357 (referenced_var_check_and_insert): Likewise.
4358 (remove_referenced_var): Likewise.
4359 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4360 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4361 (verify_call_clobbering): Likewise.
4362 (verify_memory_partitions): Likewise.
4363 (init_tree_ssa): Allocate bitmap instead of hashtable for
4365 (delete_tree_ssa): Adjust.
4366 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4367 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4368 (compute_tag_properties): Likewise.
4369 (set_initial_properties): Likewise.
4370 (find_partition_for): Likewise.
4371 (update_reference_counts): Likewise.
4372 (dump_may_aliases_for): Likewise.
4373 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4374 (add_call_clobber_ops): Likewise.
4375 (add_call_read_ops): Likewise.
4376 (get_asm_expr_operands): Likewise.
4377 * tree-into-ssa.c (dump_decl_set): Likewise.
4378 (update_ssa): Likewise.
4379 * tree-sra.c (scan_function): Likewise.
4380 (decide_instantiations): Likewise.
4381 (scalarize_parms): Likewise.
4382 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4383 (dsa_named_for): Likewise.
4384 * tree-ssa-structalias.c (update_alias_info): Likewise.
4385 (merge_smts_into): Likewise.
4387 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4390 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4391 * c-opts.c (c_common_handle_option): Wall enables
4392 Wvolatile-register-var.
4393 * common.opt: Move Wvolatile-register-var to...
4396 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4398 * common.opt (Wlarger-than=): New.
4399 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4401 * opts.c (common_handle_option): Handle -Wlarger-than=.
4402 * optc-gen.awk: Likewise.
4403 * opth-gen.awk: Likewise.
4404 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4405 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4407 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4409 * c-common.c (match_case_to_enum_1): Add appropriate
4410 OPT_W* parameter to warning.
4411 (c_do_switch_warnings): Likewise.
4412 * c-typeck.c (warning_init): Add one more parameter following
4414 (push_init_level): Update call to warning_init.
4415 (pop_init_level): Likewise.
4416 (add_pending_init): Likewise.
4417 (output_init_element: Likewise.
4419 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4422 * toplev.c (toplev_main): If there are warnings or error, print
4423 errors for ignored options.
4424 * opts.c (ignored_options): New static variable.
4425 (postpone_unknown_option_error): New.
4426 (print_ignored_options): New.
4427 (handle_option): Postpone errors for unknown -Wno-* options.
4428 * opts.h (print_ignored_options): Declare.
4430 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4432 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4435 2008-02-25 Richard Guenther <rguenther@suse.de>
4438 2008-02-25 Richard Guenther <rguenther@suse.de>
4440 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4441 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4442 (lookup_decl_from_uid): Declare.
4443 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4444 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4445 (decl_for_uid_map): New global hashtable mapping DECL_UID
4447 (init_ttree): Allocate it.
4448 (insert_decl_to_uid_decl_map): New helper function.
4449 (make_node_stat): Insert new decls into the map.
4450 (copy_node_stat): Likewise.
4451 (lookup_decl_from_uid): New function.
4452 (print_decl_for_uid_map_statistics): New helper.
4453 (dump_tree_statistics): Call it.
4455 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4456 (referenced_var_iterator): Adjust.
4457 (FOR_EACH_REFERENCED_VAR): Adjust.
4458 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4459 (num_referenced_vars): Adjust.
4460 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4461 (first_referenced_var): Remove.
4462 (end_referenced_vars_p): Likewise.
4463 (next_referenced_var): Likewise.
4464 (referenced_var_iterator_set): New helper function.
4465 * tree-dfa.c (referenced_var_lookup): Adjust.
4466 (referenced_var_check_and_insert): Likewise.
4467 (remove_referenced_var): Likewise.
4468 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4469 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4470 (verify_call_clobbering): Likewise.
4471 (verify_memory_partitions): Likewise.
4472 (init_tree_ssa): Allocate bitmap instead of hashtable for
4474 (delete_tree_ssa): Adjust.
4475 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4476 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4477 (compute_tag_properties): Likewise.
4478 (set_initial_properties): Likewise.
4479 (find_partition_for): Likewise.
4480 (update_reference_counts): Likewise.
4481 (dump_may_aliases_for): Likewise.
4482 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4483 (add_call_clobber_ops): Likewise.
4484 (add_call_read_ops): Likewise.
4485 (get_asm_expr_operands): Likewise.
4486 * tree-into-ssa.c (dump_decl_set): Likewise.
4487 (update_ssa): Likewise.
4488 * tree-sra.c (scan_function): Likewise.
4489 (decide_instantiations): Likewise.
4490 (scalarize_parms): Likewise.
4491 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4492 (dsa_named_for): Likewise.
4493 * tree-ssa-structalias.c (update_alias_info): Likewise.
4494 (merge_smts_into): Likewise.
4496 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4499 * doc/invoke.texi (-fcx-limited-range): Document new option.
4500 * toplev.c (process_options): Handle -fcx-fortran-rules.
4501 * common.opt: Add documentation for -fcx-fortran-rules.
4503 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4506 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
4507 actual behaviour and C99.
4509 2008-02-26 Ben Elliston <bje@au.ibm.com>
4511 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
4512 (ASM_CPU_POWER6_SPEC): Likewise.
4513 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
4514 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
4515 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
4517 2008-02-25 Richard Guenther <rguenther@suse.de>
4519 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4520 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4521 (lookup_decl_from_uid): Declare.
4522 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4523 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4524 (decl_for_uid_map): New global hashtable mapping DECL_UID
4526 (init_ttree): Allocate it.
4527 (insert_decl_to_uid_decl_map): New helper function.
4528 (make_node_stat): Insert new decls into the map.
4529 (copy_node_stat): Likewise.
4530 (lookup_decl_from_uid): New function.
4531 (print_decl_for_uid_map_statistics): New helper.
4532 (dump_tree_statistics): Call it.
4534 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4535 (referenced_var_iterator): Adjust.
4536 (FOR_EACH_REFERENCED_VAR): Adjust.
4537 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4538 (num_referenced_vars): Adjust.
4539 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4540 (first_referenced_var): Remove.
4541 (end_referenced_vars_p): Likewise.
4542 (next_referenced_var): Likewise.
4543 (referenced_var_iterator_set): New helper function.
4544 * tree-dfa.c (referenced_var_lookup): Adjust.
4545 (referenced_var_check_and_insert): Likewise.
4546 (remove_referenced_var): Likewise.
4547 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4548 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4549 (verify_call_clobbering): Likewise.
4550 (verify_memory_partitions): Likewise.
4551 (init_tree_ssa): Allocate bitmap instead of hashtable for
4553 (delete_tree_ssa): Adjust.
4554 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4555 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4556 (compute_tag_properties): Likewise.
4557 (set_initial_properties): Likewise.
4558 (find_partition_for): Likewise.
4559 (update_reference_counts): Likewise.
4560 (dump_may_aliases_for): Likewise.
4561 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4562 (add_call_clobber_ops): Likewise.
4563 (add_call_read_ops): Likewise.
4564 (get_asm_expr_operands): Likewise.
4565 * tree-into-ssa.c (dump_decl_set): Likewise.
4566 (update_ssa): Likewise.
4567 * tree-sra.c (scan_function): Likewise.
4568 (decide_instantiations): Likewise.
4569 (scalarize_parms): Likewise.
4570 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4571 (dsa_named_for): Likewise.
4572 * tree-ssa-structalias.c (update_alias_info): Likewise.
4573 (merge_smts_into): Likewise.
4575 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
4578 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
4579 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
4580 * alias.h (nonoverlapping_memrefs_p): Likewise.
4582 2008-02-25 Jan Beulich <jbeulich@novell.com>
4584 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
4585 * config/i386/netware-libgcc.exp: Add __bswap?i2,
4586 __emultls_get_address, __emultls_register_common,
4587 __floatundi?f, and _Unwind_GetIPInfo.
4588 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
4589 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
4590 (gen_regparm_prefix): Likewise.
4591 (i386_nlm_encode_section_info): Sync with
4592 config/i386/winnt.c:i386_pe_encode_section_info().
4593 (i386_nlm_maybe_mangle_decl_assembler_name): New.
4594 i386_nlm_mangle_decl_assembler_name): New.
4595 (netware_override_options): New.
4596 * config/i386/netware.h (netware_override_options): Declare.
4597 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
4598 (i386_nlm_mangle_decl_assembler_name): Declare.
4599 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
4601 2008-02-25 Ben Elliston <bje@au.ibm.com>
4604 * c-decl.c (grokdeclarator): Remove unused local variables
4605 `typedef_type' and `type_as_written'.
4607 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
4608 unused local variable `has_hot_blocks'.
4609 (fix_crossing_conditional_branches): Remove unused local variable
4612 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
4615 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
4616 using DEF_C99_BUILTIN.
4617 (BUILT_IN_NANF): Ditto.
4618 (BUILT_IN_NANL): Ditto.
4620 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
4621 Revital Eres <eres@il.ibm.com>
4623 * modulo-sched.c (calculate_must_precede_follow): Address TODO
4624 regarding the order of two dependent insns in the same row.
4626 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
4628 * stor-layout.c (layout_decl): Do not bump the alignment of a
4629 bit-field to more than byte alignment if it is packed.
4631 2008-02-24 David Edelsohn <edelsohn@gnu.org>
4633 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
4636 2008-02-24 Diego Novillo <dnovillo@google.com>
4638 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
4641 * tree-vrp.c (vrp_evaluate_conditional): With
4642 -Wtype-limits, emit a warning when comparing against a
4643 constant outside the natural range of OP0's type.
4644 * c.opt (Wtype-limits): Move ...
4645 * common.opt (Wtype-limits): ... here.
4647 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
4649 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
4650 * config/rs6000/e300c2c3.md: New file.
4651 * config/rs6000/rs6000.c (processor_costs): Add new costs for
4653 (rs6000_override_options): Add e300c2 and e300c3 cases to
4654 processor_target_table. Do not allow usage of Altivec or Spe
4655 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
4656 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
4657 * config/rs6000/rs6000.h (processor_type): Add
4658 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
4659 (ASM_CPU_SPEC): Add e300c2 and e300c3.
4660 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
4661 and ppce300c3. Include e300c2c3.md.
4663 2008-02-23 David Edelsohn <edelsohn@gnu.org>
4665 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
4666 instead of TARGET_STRICT_ALIGN.
4668 2008-02-23 Joseph Myers <joseph@codesourcery.com>
4670 * explow.c (memory_address): Assert that the generated address is
4673 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4676 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
4677 * config/darwin-ppc-ldouble-patch.def: New file.
4678 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
4679 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
4680 SUBTARGET_INIT_BUILTINS if defined.
4681 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
4684 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4687 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
4688 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
4690 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
4693 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
4694 file" warning condtional on -Winvalid-PCH.
4696 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
4698 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
4700 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
4704 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
4705 prevent reload from using MMX registers.
4706 (*mov<mode>_internal): Ditto.
4707 (*movv2sf_internal_rex64): Ditto.
4708 (*movv2sf_internal): Ditto.
4710 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4712 PR documentation/31569
4713 * doc/install.texi2html: Use makeinfo --no-number-sections.
4715 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4717 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
4718 ensure that we can address an entire entity > 8 bytes. Don't
4719 generate reg+reg addressing for such data.
4721 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4723 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
4724 strings when optimizing for size, unless the target cares about
4727 2008-02-22 Tom Tromey <tromey@redhat.com>
4729 * regclass.c (current_pass): Remove declaration.
4731 2008-02-22 Anatoly Sokolov <aesok@post.ru>
4733 * config/avr/libgcc.S (__RAMPZ__): Define.
4734 (__do_copy_data): Add for devices with 128KB code memory.
4736 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
4738 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4740 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
4742 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
4744 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
4747 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4750 * c-typeck.c (build_binary_op): Warn about floating point
4751 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
4753 2008-02-21 Janis Johnson <janis187@us.ibm.com>
4756 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
4757 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
4759 (rs6000_override_options): Set altivec_abi as default, not override,
4760 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
4761 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
4762 is used; use new member spe_abi.
4763 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
4764 spe_abi and altivec_abi.
4766 2008-02-22 Tomas Bily <tbily@suse.cz>
4768 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
4770 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4773 * config.build (build_file_translate): Set to `CMD //c' only if
4775 * Makefile.in (build_file_translate): Improve comment.
4777 2008-02-21 Jan Hubicka <jh@suse.cz>
4779 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
4780 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
4781 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
4783 2008-02-21 Michael Matz <matz@suse.de>
4786 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
4788 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
4790 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
4791 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
4793 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
4794 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
4795 SSE_VEC_FLOAT_MODE_P as insn constraint.
4796 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
4797 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
4798 sse4a_movntdf using MODEF mode iterator.
4799 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
4800 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
4801 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
4802 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
4803 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
4804 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
4805 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
4807 2008-02-21 Richard Guenther <rguenther@suse.de>
4809 * tree.def (PAREN_EXPR): New tree code.
4810 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
4812 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
4813 * expr.c (expand_expr_real_1): Likewise.
4814 * tree-inline.c (estimate_num_insns_1): Likewise.
4815 * tree-complex.c (expand_complex_move): Likewise.
4816 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
4819 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4822 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
4824 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
4827 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
4829 * config/sh/sh.c (find_barrier): Don't go past
4830 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
4832 2008-02-20 DJ Delorie <dj@redhat.com>
4834 * config/h8300/h8300.md (insv): Force source operand to be a register.
4836 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
4837 as a jump, not as a plain insn.
4839 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
4841 * doc/invoke.texi (Warning Options): Add new option
4842 -Wframe-larger-than=.
4843 (-Wframe-larger-than): Document.
4845 * flags.h (warn_frame_larger_than, frame_larger_than_size):
4846 Add declarations for new option variables.
4848 * final.c (final_start_function): Check the frame size
4849 before emission and issue a Wframe-larger-than warning.
4851 * opts.c (warn_frame_larger_than, frame_larger_than_size):
4852 Add definitions for new option variables.
4853 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
4855 * common.opt (Wframe-larger-than=): New option.
4857 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4859 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
4860 (<sse>_div<mode>3): Ditto.
4861 (<sse>_vmdiv<mode>3): Ditto.
4862 (<sse>_vmsqrt<mode>2): Ditto.
4863 (*smax<mode>3): Ditto.
4864 (sse5_frcz<mode>2): Ditto.
4865 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
4868 2008-02-20 Richard Guenther <rguenther@suse.de>
4871 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
4872 be happy with INTEGRAL_TYPE_P.
4874 2008-02-20 Richard Guenther <rguenther@suse.de>
4876 * fold-const.c (split_tree): Associate floatig-point expressions
4877 if flag_associative_math is set.
4879 2008-02-20 Richard Guenther <rguenther@suse.de>
4881 * tree.h (fold_real_zero_addition_p): Declare.
4882 * fold-const.c (fold_real_zero_addition_p): Export.
4883 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
4884 floating-point operations with zero and one.
4886 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
4888 * doc/install.texi: Correct references to CFLAGS, replacing them
4889 with BOOT_CFLAGS. Document flags used during bootstrap for
4892 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
4894 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
4895 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
4896 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
4898 (smin<mode>3): Ditto from similar patterns.
4899 (smax<mode>3): Ditto.
4900 (*ieee_smin<mode>3): Ditto.
4901 (*ieee_smax<mode>3): Ditto.
4902 * config/i386/sse.md (sse): New mode attribute.
4903 (mov<mode>): Macroize expander from movv4sf and movv2df using
4904 SSEMODEF2P mode iterator.
4905 (<sse>_movnt<mode>): Ditto from similar patterns. Use
4906 SSE_VEC_FLOAT_MODE_P as insn constraint.
4907 (storent<mode>): Ditto.
4908 (storent<mode>): Macroize expander from storentsf and storentdf using
4909 MODEF mode iterator.
4910 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
4911 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
4912 (abs<mode>2): Ditto from similar patterns.
4913 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
4914 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
4915 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
4916 (<sse>_vmsqrt<mode>2): Ditto.
4917 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
4918 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
4919 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
4920 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
4921 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
4922 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
4923 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
4925 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
4926 iterator and SSE_FLOAT_MODE_P as insn constraint.
4927 (<sse>_ucomi): Ditto from similar patterns.
4928 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
4929 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
4930 SSE_VEC_FLOAT_MODE_P as insn constraint.
4931 (vcond<mode>): Ditto from similar patterns.
4932 (and<mode>3, *and<mode>3): Ditto.
4933 (<sse>_nand<mode>3): Ditto.
4934 (ior<mode>3, *ior<mode>3): Ditto.
4935 (xor<mode>3, *xor<mode>3): Ditto.
4936 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
4937 iterator and SSE_FLOAT_MODE_P as insn constraint.
4938 (*nand<mode>3): Ditto from similar patterns.
4939 (*ior<mode>3): Ditto.
4940 (*xor<mode>3): Ditto.
4942 2008-02-20 Ira Rosen <irar@il.ibm.com>
4944 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
4945 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
4946 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
4948 2008-02-19 Jan Hubicka <jh@suse.cz>
4950 * predict.c (tree_bb_level_predictions): Remove variable next
4951 mistakely introduced by previous commit.
4953 2008-02-19 Jan Hubicka <jh@suse.cz>
4955 * predict.c (predict_paths_leading_to): Rewrite.
4956 (predict_paths_for_bb): New.
4957 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
4959 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4962 * Makefile.in (build_file_translate): New.
4963 (gcc-vers.texi): Use it for translating $(abs_srcdir).
4964 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
4965 * configure.ac (build_file_translate): Substitute it.
4966 * configure: Regenerate.
4968 2008-02-19 Jan Hubicka <jh@suse.cz>
4970 PR rtl-optimization/34408
4971 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
4974 2008-02-19 Jan Hubicka <jh@suse.cz>
4977 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
4980 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
4983 * config/i386/i386-modes.def: Revert the last DI alignment
4984 change until Ada people can look into it.
4986 2008-02-19 Nick Clifton <nickc@redhat.com>
4988 * opts.c (print_specific_help): Fix typo in --help text.
4990 2008-02-19 Jakub Jelinek <jakub@redhat.com>
4993 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4994 32-bit inline asm without asm alternatives for host GCC < 3.0.
4996 2008-02-19 Richard Guenther <rguenther@suse.de>
4998 PR tree-optimization/34989
4999 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5000 Allow propagation to INDIRECT_REF if we can simplify only.
5002 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5004 * c-common.c (warn_for_collisions_1): Use appropriate option when
5007 2008-02-19 Nick Clifton <nickc@redhat.com>
5010 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5011 (handle_options): Fix indentation.
5012 (print_filtered_help): If no language-specific options were
5013 displayed tell the user how to list all the options supported by
5014 the language's front-end.
5015 (print_specific_help): Fix indentation and remove duplicate line.
5016 (common_handle_option): Handle the -v option.
5017 For --help enable the display of undocumented options if the -v
5018 switch has been included on the command line.
5019 For --help= check for overlaps in the arguments between the option
5020 classes and the language names and issue a warning when they
5021 cannot be disambiguated.
5022 * c.opt (v): Pass on to the common option handler.
5024 2008-02-19 Revital Eres <eres@il.ibm.com>
5026 * modulo-sched.c (sms_schedule): Change dump message when
5027 create_ddg function fails.
5028 (try_scheduling_node_in_cycle): Rename row to cycle.
5029 (print_partial_schedule): Rename CYCLE to ROW.
5031 2008-02-19 Christian Bruel <christian.bruel@st.com>
5032 Zdenek Dvorak <ook@ucw.cz>
5034 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5036 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5039 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5040 (*x86_movdicc_0_m1_se): Ditto.
5042 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5044 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5045 (CMPtype): Define as __gcc_CMPtype.
5046 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5047 (CMPtype): Define as __gcc_CMPtype.
5049 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5051 Support valgrind 3.3 for --enable-checking=valgrind.
5052 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5054 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5055 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5056 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5057 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5058 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5059 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5060 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5062 * ggc-zone.c: Similar.
5063 * ggc-page.c: Similar.
5065 2008-02-19 Paul Brook <paul@codesourcery.com>
5068 * config/arm/ieee754-df.S: Fix do_it typo.
5069 * config/arm/ieee754-sf.S: Fix do_it typo.
5071 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5074 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5075 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5076 (OPTION_MASK_ISA_SSE_SET): Likewise.
5077 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5078 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5079 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5080 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5081 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5082 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5083 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5084 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5085 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5086 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5087 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5088 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5089 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5090 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5091 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5092 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5093 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5094 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5095 (OPTION_MASK_ISA_SSE4): Removed.
5096 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5097 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5098 (override_options): Don't turn on implied SSE/MMX bits in
5101 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5103 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5106 2008-02-18 Joey Ye <joey.ye@intel.com>
5109 * tree-nested.c (insert_field_into_struct): Set type alignment
5110 to field alignment if the former is less than the latter.
5112 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5114 * BASE-VER: Set to 4.4.0.
5116 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5118 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5119 * doc/cfg.texi: Likewise.
5120 * doc/extend.texi: Likewise.
5121 * doc/gty.texi: Likewise.
5122 * doc/invoke.texi: Likewise.
5123 * doc/loop.texi: Likewise.
5124 * doc/md.texi: Likewise.
5125 * doc/passes.texi: Likewise.
5126 * doc/rtl.texi: Likewise.
5127 * doc/sourcebuild.texi: Likewise.
5128 * doc/tm.texi: Likewise.
5129 * doc/tree-ssa.texi: Likewise.
5131 2008-02-17 Richard Guenther <rguenther@suse.de>
5134 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5135 without default definition.
5137 2008-02-17 Richard Guenther <rguenther@suse.de>
5139 PR tree-optimization/35231
5140 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5143 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5146 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5147 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5148 libgcc_cmp_return mode.
5150 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5153 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5155 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5157 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5160 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5162 * doc/c-tree.texi: Use `@.' where appropriate.
5163 * doc/extend.texi: Likewise.
5164 * doc/install.texi: Likewise.
5165 * doc/invoke.texi: Likewise.
5166 * doc/loop.texi: Likewise.
5167 * doc/makefile.texi: Likewise.
5168 * doc/md.texi: Likewise.
5169 * doc/passes.texi: Likewise.
5170 * doc/standards.texi: Likewise.
5171 * doc/tm.texi: Likewise.
5173 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5176 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5178 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5179 rather than in entry_bb.
5181 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5183 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5184 libgcc_cmp_return mode.
5186 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5189 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5190 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5192 2008-02-15 Richard Guenther <rguenther@suse.de>
5193 Zdenek Dvorak <ook@ucw.cz>
5195 PR tree-optimization/35164
5196 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5197 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5198 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5199 Only propagate addresses which do not have abnormal SSA_NAMEs
5202 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5205 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5207 2008-02-15 Jan Hubicka <jh@suse.cz>
5210 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5212 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5215 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5216 when calculating alignment_pad.
5218 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5220 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5221 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5222 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5223 and STACK_BOUNDARY define.
5225 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5227 PR preprocessor/35061
5228 * c-pragma.c (handle_pragma_pop_macro): Check that
5229 pushed_macro_table has been allocated.
5231 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5234 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5235 (force_gimple_operand): Likewise.
5236 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5237 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5238 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5239 (find_interesting_uses_address): Check addressability and alignment
5240 of the base expression only after substituting bases of IVs into it.
5242 2008-02-14 Michael Matz <matz@suse.de>
5245 * function.c (instantiate_virtual_regs_in_insn): Reload address
5246 before falling back to reloading the whole operand.
5248 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5250 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5251 before the first section switch note.
5253 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5255 * doc/bugreport.texi: Update copyright years.
5256 * doc/c-tree.texi: Likewise.
5257 * doc/cfg.texi: Likewise.
5258 * doc/cpp.texi: Likewise.
5259 * doc/cppinternals.texi: Likewise.
5260 * doc/fragments.texi: Likewise.
5261 * doc/frontends.texi: Likewise.
5262 * doc/gcc.texi: Likewise.
5263 * doc/gty.texi: Likewise.
5264 * doc/hostconfig.texi: Likewise.
5265 * doc/implement-c.texi: Likewise.
5266 * doc/libgcc.texi: Likewise.
5267 * doc/loop.texi: Likewise.
5268 * doc/makefile.texi: Likewise.
5269 * doc/options.texi: Likewise.
5270 * doc/passes.texi: Likewise.
5271 * doc/rtl.texi: Likewise.
5272 * doc/sourcebuild.texi: Likewise.
5273 * doc/standards.texi: Likewise.
5274 * doc/tree-ssa.texi: Likewise.
5275 * doc/trouble.texi: Likewise.
5277 * doc/extend.texi: Use @: or add comma where appropriate.
5278 * doc/invoke.texi: Likewise.
5279 * doc/tm.texi: Likewise.
5281 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5284 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5287 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5289 * doc/md.texi (clz, ctz): Add reference.
5290 * doc/rtl.texi (clz, ctz): Likewise.
5292 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5295 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5298 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5300 * config/s390/s390.c (struct constant_pool): New field
5301 emit_pool_after added.
5302 (s390_mainpool_start): Set the emit_pool_after flag according
5303 to the section switch notes.
5304 (s390_mainpool_finish): Consider emit_pool_after when emitting
5305 the literal pool at the end of the function.
5306 (s390_chunkify_start): Force literal pool splits at section
5309 2008-02-13 Michael Matz <matz@suse.de>
5312 * var-tracking.c (clobber_variable_part): Correctly traverse the
5315 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5318 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5319 Add -fdump-ipa-inline.
5320 * tree-dump.c (dump_files): Remove tree-inlined dump.
5321 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5323 2008-02-12 Richard Guenther <rguenther@suse.de>
5325 PR tree-optimization/35171
5326 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5329 2008-02-12 Richard Guenther <rguenther@suse.de>
5332 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5333 value-preserving mode. Disallow final truncation.
5335 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5338 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5339 code from here to...
5340 (force_gimple_operand): ...here.
5342 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5345 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5346 non-compatible pointers.
5347 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5348 different FIELD_DECLs, try harder by comparing field offsets, sizes
5352 * function.c (match_asm_constraints_1): Don't replace the same input
5355 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5357 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5358 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5359 (expand_epilogue): Restore RAMPZ register.
5360 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5362 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5364 * config/i386/cygwin.asm: (__alloca): Correct calling
5365 convention and alignment.
5366 (__chkstk): Force 8 byte stack alignment.
5368 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5369 Richard Guenther <rguenther@suse.de>
5371 PR tree-optimization/33992
5372 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5373 the zero we compare against.
5375 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5378 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5379 to CloseHandle after unlocking to prevent accumulation of handle
5382 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5385 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5386 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5387 and update LABEL_NUSES during and after reload.
5389 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5392 * combine.c (simplify_if_then_else): Make sure the comparison is
5393 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5395 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5398 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5399 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5400 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5401 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5402 * tree.h (get_type_static_bounds): Likewise.
5404 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5406 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5407 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5408 Make -Wfoo language annotations match what the compiler outputs.
5410 2008-02-08 Sa Liu <saliu@de.ibm.com>
5412 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5413 intrinsics spu_convts, spu_convtu, spu_convtf.
5414 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5416 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5418 * doc/extend.texi (Function Attributes) <noinline>: Mention
5419 asm ("") as method to keep calls.
5421 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5424 * doc/options.texi (Options): Replace references to opts.sh with
5426 * opts-common.c: Likewise.
5427 * optc-gen.awk: Likewise.
5429 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5431 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5433 2008-02-07 Richard Henderson <rth@redhat.com>
5436 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5437 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5440 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5442 PR tree-optimization/35085
5443 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5444 for operand entry oe2 in addition to operand entry oe3 in order to
5445 expose more opportunities for vectorizer sum reduction.
5447 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5450 * Makefile.in (LIBS): Remove $(GMPLIBS).
5451 (cc1-dummy, cc1): Add $(GMPLIBS).
5453 2008-02-06 Jan Hubicka <jh@suse.cz>
5456 * i386.md (moddf_integer): Do not produce partial memory stalls for
5457 targets where it hurts.
5459 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5462 * optabs.c (expand_float): Do not check for decimal modes when
5463 expanding unsigned integer through signed conversion.
5465 2008-02-06 Nick Clifton <nickc@redhat.com>
5467 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5468 inside the clobber with a match_operand and duplicated operand
5469 number in the constraint.
5470 (ineqbranchsi): Delete redundant comment.
5472 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5474 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5475 builtin_define ("__USE_INIT_FINI__").
5476 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5478 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5480 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5482 PR documentation/30330
5483 * doc/invoke.texi (C++ Dialect Options)
5484 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5485 For each warning option -Wfoo that allows -Wno-foo, ensure both
5486 -Wfoo and -Wno-foo are listed in the option index. Fix index
5487 entry of -Wswitch-default, index -Wnormalized= including the
5488 `=', and -Wlarger-than-@var{len} including @var{len}.
5490 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5492 * config/i386/i386.md (floatunssisf2): Use
5493 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5494 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5495 Macroize expander using MODEF mode iterator.
5497 2008-02-05 Diego Novillo <dnovillo@google.com>
5499 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
5502 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
5504 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5507 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
5509 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
5512 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
5513 to indicate if a message should be generated.
5514 (init_cumulative_args): Updated.
5515 (function_value_32): Likewise.
5517 2008-02-05 Joseph Myers <joseph@codesourcery.com>
5519 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
5521 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5524 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
5525 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
5527 2008-02-04 Diego Novillo <dnovillo@google.com>
5529 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
5532 * tree-vrp.c (vrp_evaluate_conditional): With
5533 -Wtype-limits, emit a warning when comparing against a
5534 constant outside the natural range of OP0's type.
5536 2008-02-04 Richard Guenther <rguenther@suse.de>
5539 * expr.c (count_type_elements): Give for unions instead of
5542 2008-02-04 Richard Guenther <rguenther@suse.de>
5545 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
5546 to TYPE_DOMAINs base type instead of using bitsizetype here.
5548 2008-02-03 Jason Merrill <jason@redhat.com>
5550 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
5552 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5555 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
5556 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
5557 (RS/6000 and PowerPC Options): Fix typos and markup.
5558 * doc/passes.texi (Tree-SSA passes): Likewise.
5560 2008-02-02 Michael Matz <matz@suse.de>
5563 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
5564 from record_last_reg_set_info.
5565 (record_last_reg_set_info): Take an RTX argument, iterate over all
5566 constituent hardregs.
5567 (record_last_set_info, record_opr_changes): Change calls to
5568 new signature or to record_last_reg_set_info_regno.
5570 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
5572 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
5574 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
5576 PR rtl-optimization/34773
5577 * reg-notes.def (EQUAL): Mention significance of combination of
5578 REG_EQUAL and REG_RETVAL.
5579 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
5580 insn that has a REG_RETVAL.
5582 2008-02-01 Roger Sayle <roger@eyesopen.com>
5585 * configure.ac (--enable-fixed-point): Disable unless explicitly
5587 * configure: Regenerate.
5589 2008-02-01 Richard Guenther <rguenther@suse.de>
5592 * invoke.texi (-finline-limit): Remove no longer true parts
5593 of the documentation. Note that there is no default value.
5595 2008-02-01 Andrew Pinski <pinskia@gmail.com>
5596 Mark Mitchell <mark@codesourcery.com>
5597 Ben Elliston <bje@au.ibm.com>
5600 * doc/extend.texi (Other Builtins): Document.
5602 2008-01-31 Tom Browder <tom.browder@gmail.com>
5604 * doc/c-tree.texi (Types): Fix grammar.
5605 (Expression trees): Ditto.
5606 * doc/passes.texi (Tree-SSA passes): Ditto.
5608 * doc/configterms.texi (Configure Terms): Fix typo.
5609 * doc/cpp.texi (Common Predefined Macros): Ditto.
5610 * doc/md.texi (Machine Constraints): Ditto.
5612 * doc/makefile.texi (Makefile): Add comma.
5614 2008-01-31 Tom Browder <tom.browder@gmail.com>
5615 Gerald Pfeifer <gerald@pfeifer.com>
5617 * doc/sourcebuild.texi (Front End): Remove references to CVS
5618 and CVSROOT/modules.
5619 (Texinfo Manuals): Replace reference to CVS by one to SVN.
5620 (Back End): Remove reference to CVS.
5622 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5625 * config/mips/mips.c (gen_load_const_gp): New function, taking a
5627 (mips16_gp_pseudo_reg): ...here.
5628 * config/mips/mips.md (load_const_gp): Replace with...
5629 (load_const_gp_<mode>): ...this :P-based insn.
5631 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5633 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
5634 options. Minor fixes.
5635 (-std): Move reference to standards closer to where language
5636 standards are first mentioned.
5638 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
5640 PR rtl-optimization/34995
5641 * reload.c (alternative_allows_const_pool_ref): Take an rtx
5642 parameter and return a bool. If the rtx parameter is nonnull,
5643 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
5644 (find_reloads): Update call accordingly. Pass the new operand
5645 if it needed no address reloads, otherwise pass null.
5647 2008-01-30 Richard Henderson <rth@redhat.com>
5650 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
5651 for unbounded arrays.
5653 2008-01-30 Silvius Rus <rus@google.com>
5655 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
5657 2008-01-30 Jan Hubicka <jh@suse.cz>
5660 * i386.c (init_cumulative_args): Use real function declaration when
5663 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
5665 PR rtl-optimization/34998
5666 * global.c (build_insn_chain): Treat non-subreg_lowpart
5667 SUBREGs of pseudos as clobbering all the words covered by the
5668 SUBREG, not just all the bytes.
5669 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
5670 original df_ref rather than an extract parameter.
5671 (global_conflicts): Update call accordingly.
5673 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
5675 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
5676 the overflow check to make it easier to read.
5677 (__fixtfdi): Change the type of the ll member in union
5678 long_double to UDItype_x.
5680 2008-01-30 Jakub Jelinek <jakub@redhat.com>
5683 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
5684 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
5685 * tree-inline.c (fold_marked_statements): Call
5686 cgraph_update_edges_for_call_stmt if folding a call statement.
5687 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
5688 debug_generic_stmt calls, reset it back afterwards.
5691 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
5693 * c-typeck.c (build_external_ref): Don't pedwarn about
5694 static vars in current function's scope.
5696 2008-01-29 Joseph Myers <joseph@codesourcery.com>
5698 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
5700 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
5703 * ipa-struct-reorg.c: Fix spelling.
5704 * params.def: Ditto.
5706 2008-01-29 Richard Guenther <rguenther@suse.de>
5709 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
5711 * tree-inline.c (remap_type): Increment remapping_type_depth
5712 around remapping types.
5713 (copy_body_r): Only add referenced variables if they are referenced
5714 from code, not types.
5716 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
5727 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
5728 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
5730 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
5733 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
5734 pointer for tiny stack.
5736 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5738 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
5740 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
5742 * config/vx-common.h: Fix typo in comment.
5744 2008-01-28 Ian Lance Taylor <iant@google.com>
5748 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5749 coalesce pointers if they have different DECL_NO_TBAA_P values.
5750 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
5751 between variables with different DECL_NO_TBAA_P values.
5753 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
5756 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
5757 are not legitimate small data references on SPE targets.
5759 2008-01-28 David Daney <ddaney@avtrex.com>
5761 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
5763 2008-01-28 David Daney <ddaney@avtrex.com>
5765 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
5767 2008-01-27 Joseph Myers <joseph@codesourcery.com>
5769 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
5770 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
5771 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
5772 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
5773 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
5774 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
5775 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
5776 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
5778 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5780 * basic-block.h (condjump_equiv_p): Fix comment.
5782 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5784 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
5785 print_generic_stmt_indented): Fix comment.
5787 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
5789 * configure.ac (__stack_chk_fail): Add detecion for availability
5790 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
5791 * configure: Regenerate.
5793 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
5796 * final.c (output_addr_const): Handle TRUNCATE.
5798 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
5801 * tree-ssa-loop-ivopts.c (comp_cost): New type.
5802 (zero_cost, infinite_cost): New constants.
5803 (struct cost_pair): Change type of cost to comp_cost.
5804 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
5805 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
5807 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
5808 split_address_cost, ptr_difference_cost, difference_cost,
5809 get_computation_cost_at, get_computation_cost,
5810 determine_use_iv_cost_generic, determine_use_iv_cost_address,
5811 determine_use_iv_cost_condition, determine_use_iv_costs,
5812 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
5813 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
5814 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
5815 Change type of cost to comp_cost.
5816 (determine_iv_cost): Increase cost of non-original ivs, instead
5817 of decreasing the cost of original ones.
5818 (get_address_cost): Indicate the complexity of the addressing mode
5820 (try_add_cand_for): Prefer using ivs not specific to some object.
5821 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
5823 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
5824 Janis Johnson <janis187@us.ibm.com>
5827 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
5828 (TARGET_INSTANTIATE_DECLS): Likewise.
5829 * target.h (expand_to_rtl_hook): New target hook.
5830 (instantiate_decls): Likewise.
5831 * function.c (instantiate_decl): Make non-static. Rename to...
5832 (instantiate_decl_rtl): ... this.
5833 (instantiate_expr): Use instantiate_decl_rtl.
5834 (instantiate_decls_1): Likewise.
5835 (instantiate_decls): Likewise.
5836 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
5837 * function.h (instantiate_decl_rtl): Add prototype.
5838 * cfgexpand.c (target.h): New include.
5839 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
5840 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
5841 (TARGET_INSTANTIATE_DECLS): Likewise.
5842 (TARGET_INITIALIZER): New target hooks added.
5843 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
5845 * config/rs6000/rs6000.c (tree-flow.h): New include.
5846 (machine_function): Add sdmode_stack_slot field.
5847 (rs6000_alloc_sdmode_stack_slot): New function.
5848 (rs6000_instantiate_decls): Likewise.
5849 (rs6000_secondary_memory_needed_rtx): Likewise.
5850 (rs6000_check_sdmode): Likewise.
5851 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
5852 (TARGET_INSTANTIATE_DECLS): Likewise.
5853 (rs6000_hard_regno_mode_ok): Allow SDmode.
5854 (num_insns_constant): Likewise. Handle _Decimal32 constants.
5855 (rs6000_emit_move): Handle SDmode.
5856 (function_arg_advance): Likewise.
5857 (function_arg): Likewise.
5858 (rs6000_gimplify_va_arg): Likewise. Add special handling of
5859 SDmode var args for 32-bit compiles.
5860 (rs6000_secondary_reload_class): Handle SDmode.
5861 (rs6000_output_function_epilogue): Likewise.
5862 (rs6000_function_value): Simplify if statement.
5863 (rs6000_libcall_value): Likewise.
5864 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
5865 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
5866 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
5867 (movsd_hardfloat): New define_insn.
5868 (movsd_softfloat): Likewise.
5869 (movsd_store): Likewise.
5870 (movsd_load): Likewise.
5871 (extendsddd2): Likewise.
5872 (extendsdtd2): Likewise.
5873 (truncddsd2): Likewise.
5874 (movdd_hardfloat64): Fixup comment.
5875 (UNSPEC_MOVSD_LOAD): New constant.
5876 (UNSPEC_MOVSD_STORE): Likewise.
5878 2008-01-26 Jakub Jelinek <jakub@redhat.com>
5881 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
5883 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
5884 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
5885 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
5888 2008-01-26 David Edelsohn <edelsohn@gnu.org>
5891 * config.gcc: Separate AIX 5.3 from AIX 6.1.
5892 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5893 __LONGDOUBLE128 too.
5894 * config/rs6000/aix61.h: New file.
5896 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5898 PR rtl-optimization/34959
5899 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
5900 popcount and parity rtxes the same mode as their operand.
5901 Truncate or extend the result to the return value's mode
5904 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
5907 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
5908 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
5909 to GOT_VERSION_REGNUM.
5910 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
5911 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
5912 * config/mips/mips.c (mips_emit_call_insn): New function.
5913 (mips_call_tls_get_addr): Call mips_expand_call directly.
5914 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
5916 (mips16_build_call_stub): Likewise. Return the call insn or null.
5917 (mips_expand_call): Update the call to mips16_build_call_stub
5918 accordingly and a remove redundant condition. Assert that MIPS16
5919 stubs do not use lazy binding. Use mips_emit_call_insn and return
5921 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
5923 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
5924 (mips_avoid_hazard): Remove hazard_set handling.
5925 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
5926 (UNSPEC_RESTORE_GP): ...this.
5927 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
5928 (FAKE_CALL_REGNO): Rename to...
5929 (GOT_VERSION_REGNUM): ...this.
5930 (type): Add "ghost" value. Add an associated insn reservation.
5931 (hazard_set): Remove.
5932 (exception_receiver): Rename to...
5933 (restore_gp): ...this and update the unspec identifier accordingly.
5934 (exception_receiver, nonlocal_got_receiver): New expanders.
5935 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
5936 FAKE_CALL_REGNO. Remove hazard_set attribute.
5937 (set_got_version, update_got_version): New patterns.
5939 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
5942 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
5944 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5947 * doc/install.texi2html: Generate gcc-vers.texi.
5949 2008-01-25 DJ Delorie <dj@redhat.com>
5951 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5953 2008-01-25 Joseph Myers <joseph@codesourcery.com>
5955 * config/c4x: Remove directory.
5956 * config.gcc (crx-*, mt-*): Mark obsolete.
5957 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
5958 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
5959 sh-*-rtemscoff*): Remove cases.
5960 * defaults.h (C4X_FLOAT_FORMAT): Remove.
5961 * real.c (encode_c4x_single, decode_c4x_single,
5962 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
5963 c4x_extended_format): Remove.
5964 * real.h (c4x_single_format, c4x_extended_format): Remove.
5965 * doc/extend.texi (interrupt, naked): Remove mention of attributes
5967 (Pragmas): Remove comment about c4x pragmas.
5968 * doc/install.texi (c4x): Remove target-specific instructions.
5969 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
5970 * doc/md.texi (Machine Constraints): Remove C4x documentation.
5971 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
5972 refer to C4x source files as examples.
5973 (C4X_FLOAT_FORMAT): Remove documentation.
5975 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
5977 * config/bfin/bfin.c (override_options): Reorder tests so that
5978 flag_pic gets enabled for -msep-data.
5980 2008-01-25 Richard Guenther <rguenther@suse.de>
5983 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
5984 to its bitfield precision if required.
5986 2008-01-25 Jakub Jelinek <jakub@redhat.com>
5989 * tree-nested.c (walk_omp_for): New function.
5990 (convert_nonlocal_reference, convert_local_reference): Call
5991 walk_omp_for on OMP_FOR.
5992 (convert_call_expr): Call walk_body on OMP_FOR's
5993 OMP_FOR_PRE_INIT_BODY.
5995 2008-01-25 Richard Guenther <rguenther@suse.de>
5997 PR tree-optimization/34966
5998 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5999 default defs and PHI_NODEs we have to insert after the
6002 2008-01-24 Nick Clifton <nickc@redhat.com>
6004 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6005 Provide a default definition.
6006 (LIBGCC2_UNITS_PER_WORD): Likewise.
6008 * config/stormy16/stormy16.c: Include df.h for the prototype
6009 for df_regs_ever_live_p.
6010 (xstormy16_expand_builtin_va_start): Convert the stack offset
6011 into a component_ref and then use POINTER_PLUS_EXPR to add it
6012 to the incoming_virtual_args_rtx.
6013 (xstormy16_gimplify_va_arg_expr): Rename to
6014 xstormy16_gimplify_va_arg_expr.
6015 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6016 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6017 xstormy16_gimplify_va_arg_expr.
6018 Fix up some formatting issues.
6020 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6021 Move to predicates.md.
6022 (xs_hi_general_operand): Likewise.
6023 (xs_hi_nonmemory_operand): Likewise.
6024 * config/stormy16/predicates.md:
6025 (xstormy16_carry_plus_operand): New predicate.
6026 (xs_hi_general_operand): New predicate.
6027 (xs_hi_nonmemory_operand): New predicate.
6028 * config/stormy16/stormy16-protos.h:
6029 (xstormy16_carry_plus_operand): Delete prototype.
6030 (xs_hi_general_operand): Likewise.
6031 (xs_hi_nonmemory_operand): Likewise.
6033 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6034 modifiers as they are no longer needed and they can trigger
6035 reload spill failures.
6037 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6038 with a match_operand in order to help reload.
6040 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6041 constraint with 'e' for the 8th alternative as this version of
6042 the mov.w instruction only accepts the lower 8 registers.
6044 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6047 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6048 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6051 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6054 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6056 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6058 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6060 (remove_structure): Update allocations list before removing structure.
6062 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6064 * ipa-struct-reorg.c (is_safe_cond_expr,
6065 create_new_stmts_for_cond_expr): Use integer_zerop function,
6066 that recognize not only zero-pointer, but zero-integer too.
6068 2008-01-25 Ben Elliston <bje@au.ibm.com>
6071 * fixproto: Escape "." in sed expression that strips leading "./".
6073 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6076 * gcc.c (SWITCH_OK): Removed.
6077 (SWITCH_LIVE): Changed to bit.
6078 (SWITCH_FALSE): Likewise.
6079 (SWITCH_IGNORE): Likewise.
6080 (switchstr): Change live_cond to unsigned int.
6081 (process_command): Replace SWITCH_OK with 0.
6082 (do_self_spec): Likewise.
6083 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6084 (give_switch): Likewise.
6085 (used_arg): Likewise.
6086 (do_spec_1): Set the SWITCH_IGNORE bit.
6087 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6088 bits. Set the SWITCH_LIVE bit.
6090 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6092 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6094 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6096 PR tree-optimization/34472
6097 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6098 parameter to a "bool *" and set *DATA to false if there is
6099 an unsafe access. Do not delete the structure here.
6100 (check_cond_exprs): Delete it here instead.
6101 (check_cond_exprs, exclude_cold_structs): Do not increase
6102 I when removing a structure.
6104 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6107 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6108 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6110 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6113 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6114 a fixed vector for stack.
6116 2008-01-24 Ben Elliston <bje@au.ibm.com>
6119 * doc/gcc.texi (Software development): Add a direntry for g++.
6121 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6123 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6124 stale and straggling -fforce-addr comments above.
6126 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6128 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6129 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6131 2008-01-23 Michael Matz <matz@suse.de>
6134 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6137 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6139 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6142 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6144 * config/avr/avr.c (avr_current_arch): New variable.
6145 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6146 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6147 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6148 (avr_override_options): Init 'avr_current_arch'.
6149 (base_arch_s): Move from here...
6150 * config/avr/avr.h (base_arch_s): ... here. Add new members
6151 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6152 'mega' to 'have_jmp_call'.
6153 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6154 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6156 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6158 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6159 MULTILIB_MATCHES): (Ditto.).
6161 2008-01-23 Richard Guenther <rguenther@suse.de>
6164 * cgraphunit.c (cgraph_reset_node): Always mark the node
6165 not reachable if it is not queued already.
6167 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6169 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6170 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6171 (cputype_selected): New static variable.
6172 (bfin_handle_option): Set it if -mcpu is used.
6173 (override_option): Select default set of workarounds if no cpu type
6174 selected on the command line.
6175 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6177 From Michael Frysinger <michael.frysinger@analog.com>
6178 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6179 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6181 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6182 for bf547, bf523, bf524, and bf526.
6183 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6185 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6186 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6187 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6188 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6189 * doc/invoke.texi (Blackfin Options): Document that
6190 -mcpu now accept bf547, bf523, bf524, and bf526.
6192 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6194 PR rtl-optimization/34628
6195 * combine.c (try_combine): Stop and undo after the first combination
6196 if an autoincrement side-effect on the first insn has effectively
6199 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6202 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6203 Offset addresses are not valid for Altivec or paired float modes.
6205 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6208 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6209 if DECL_INITIAL (decl) is error_mark_node.
6212 * c-common.c (handle_vector_size_attribute): Only allow
6213 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6214 the same way as pointer, array etc. types.
6215 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6218 * tree.c (build_type_attribute_qual_variant): Call
6219 build_qualified_type if attributes are equal, but quals are not.
6221 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6224 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6225 * flags.h (warn_strict_aliasing): Remove.
6226 (warn_strict_overflow): Remove.
6227 * opts.c (warn_strict_aliasing): Remove.
6228 (warn_strict_overflow): Remove.
6229 * c-opts.c (c_common_handle_option): -Wall only sets
6230 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6231 (c_common_post_options): Give default values to -Wstrict-aliasing
6232 and -Wstrict-overflow if they are uninitialized.
6233 * common.opt (Wstrict-aliasing): Specify Var and Init.
6234 (Wstrict-overflow): Likewise.
6236 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6238 PR rtl-optimization/26854
6239 PR rtl-optimization/34400
6240 PR rtl-optimization/34884
6241 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6243 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6244 (df_rd_bb_info.expanded_lr_out): Deleted
6245 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6246 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6247 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6248 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6249 Removed code to allocate, initialize or free expanded_lr_out.
6250 (df_rd_bb_local_compute_process_def): Restructured to make more
6252 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6253 sets if the sets are being trimmed.
6255 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6258 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6259 (as_vers): Likewise.
6260 * configure: Regenerated.
6262 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6265 * tree-pass.h (pass_build_alias): New pass.
6266 * tree-ssa-alias.c (gate_build_alias): New.
6267 (pass_build_alias): New.
6268 * passes.c (init_optimization_passes): Add pass_build_alias after
6269 pass_create_structure_vars.
6271 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6273 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6274 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6275 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6276 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6277 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6278 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6279 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6280 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6281 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6282 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6283 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6284 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6285 * config/s390/s390.md (FP_ALL): New mode iterator.
6286 (_d): New mode attribute.
6287 ("*signbit<mode>2>"): Changed mode of first operand.
6288 ("isinf<mode>2"): Changed mode of first operand.
6289 ("*TDC_insn"): Adaptation for DFP modes.
6291 2008-01-22 Ben Elliston <bje@au.ibm.com>
6293 * tree.c (check_qualified_type): Improve function description.
6295 2008-01-21 Jason Merrill <jason@redhat.com>
6298 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6299 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6302 2008-01-21 DJ Delorie <dj@redhat.com>
6304 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6307 2008-01-21 Richard Guenther <rguenther@suse.de>
6310 * tree-cfg.c (verify_expr): Allow all invariant expressions
6311 instead of just constant class ones as reference argument.
6312 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6313 like any other constant.
6314 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6316 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6318 * regmove.c (fixup_match_1): Update call crossed frequencies.
6320 2008-01-21 Richard Guenther <rguenther@suse.de>
6323 * tree-inline.c (setup_one_parameter): Deal with mismatched
6324 types using a VIEW_CONVERT_EXPR.
6326 2008-01-21 Alon Dayan <alond@il.ibm.com>
6327 Olga Golovanevsky <olga@il.ibm.com>
6329 PR tree-optimization/34701
6330 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6331 when the structure size is not a power of 2.
6333 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6335 * doc/install.texi: Add doc for --enable-checking=df.
6337 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6339 PR rtl-optimization/34808
6340 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6342 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6344 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6347 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6349 PR rtl-optimization/26854
6350 PR rtl-optimization/34400
6351 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6353 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6354 (df_rd_bb_info.expanded_lr_out): New.
6355 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6356 * loop_iv.c (iv_analysis_loop_init): Ditto.
6357 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6358 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6359 Added code to allocate, initialize or free expanded_lr_out.
6360 (df_rd_bb_local_compute_process_def): Restructured to make
6361 more understandable.
6362 (df_rd_confluence_n): Add code to do nothing with fake edges and
6363 code to no apply invalidate_by_call sets if the sets are being trimmed.
6364 (df_lr_local_finalize): Renamed to df_lr_finalize.
6365 (df_live_local_finalize): Renamed to df_live_finalize.
6367 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6370 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6371 deciding whether to use reciprocal instructions.
6373 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6375 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6376 dwarf2out_note_section_used if cold_text_section is NULL.
6378 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6380 PR gcov-profile/34610
6381 * tree-cfg.c (make_edges): Mark both outgoing edges from
6382 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6383 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6384 from OMP_FOR and OMP_CONTINUE outgoing edges.
6386 * tree-profile.c (tree_profiling): Return early if
6387 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6389 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6390 from cfun to child_cfun.
6391 * function.h (struct function): Add after_tree_profile bit.
6393 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6395 * config/avr/avr.S (_exit): Disable interrupt.
6397 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6398 Steven Bosscher <stevenb.gcc@gmail.com>
6400 PR rtl-optimization/26854
6401 PR rtl-optimization/34400
6402 * df-problems.c (df_live_scratch): New scratch bitmap.
6403 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6404 (df_live_reset): Clear the proper bitmaps.
6405 (df_live_bb_local_compute): Only process the artificial defs once
6406 since the order is not important.
6407 (df_live_init): Init the df_live sets only with the variables
6408 found live by df_lr.
6409 (df_live_transfer_function): Use the df_lr sets to prune the
6410 df_live sets as they are being computed.
6411 (df_live_free): Free df_live_scratch.
6413 2008-01-18 Ian Lance Taylor <iant@google.com>
6415 * common.opt: Add fmerge-debug-strings.
6416 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6417 flag_merge_debug_strings rather than flag_merge_constants.
6418 * doc/invoke.texi (Option Summary): Mention
6419 -fmerge-debug-strings.
6420 (Debugging Options): Document -fmerge-debug-strings.
6422 2008-01-18 Ian Lance Taylor <iant@google.com>
6425 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6426 (struct tree_function_decl): Add new field operator_new_flag.
6427 * tree-inline.c (expand_call_inline): When inlining a call to
6428 operator new, force the return value to go into a variable, and
6429 set DECL_NO_TBAA_P on that variable.
6430 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6432 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6435 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6436 DWARF2_DEBUGGING_INFO.
6437 (dwarf2out_note_section_used): Ditto. Add prototype.
6438 (have_multiple_function_sections, text_section_used,
6439 cold_text_section_used, *cold_text_sections): Move declarations
6442 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6444 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6445 field and add signal_ra.
6446 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6447 assignments to frame state pc. Move end of stack check after
6448 MD_FALLBACK_FRAME_STATE_FOR.
6449 (uw_update_context_1): Use frame state signal_regs if set, instead
6450 of checking signal_frame flag.
6451 (uw_update_context): Use frame state signal_ra if set.
6452 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6453 * config/xtensa/linux-unwind.h: New file.
6455 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6457 * modulo-sched.c (get_sched_window): Fix comment typo.
6459 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6461 PR tree-optimization/34648
6462 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6464 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6466 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6467 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6469 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6471 PR rtl-optimization/34400
6472 * df-core.c (df_worklist_dataflow_overeager,
6473 df_worklist_dataflow_doublequeue): New functions.
6474 (df_worklist_dataflow): Two different worklist solvers.
6475 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6478 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6481 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6482 and ftree-parallelize-loops.
6484 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6486 PR rtl-optimization/34826
6487 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6489 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6491 * global.c (find_reg): Mark the eh regs as used if necessary.
6492 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6493 * ra.h (struct allocno): no_eh_reg field added. Changed
6494 no_stack_reg type to bitfield.
6496 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
6498 * tree.c (substitute_in_expr): Add missing 'break'.
6500 2008-01-17 Richard Guenther <rguenther@suse.de>
6502 PR tree-optimization/34825
6503 * tree-ssa-math-opts.c (is_division_by): Do not recognize
6504 x / x as division to handle.
6506 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6508 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
6509 "-pthread" is specified.
6510 * pa-hpux11.h (LIB_SPEC): Likewise.
6512 2008-01-16 Janis Johnson <janis187@us.ibm.com>
6513 Peter Bergner <bergner@vnet.ibm.com>
6515 PR rtl-optimization/33796
6516 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
6518 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6520 PR libgfortran/34699
6521 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
6523 * pa-hpux10.h (LINK_SPEC): Likewise.
6524 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
6526 2008-01-16 Richard Guenther <rguenther@suse.de>
6529 * fold-const.c (fold_convert_const_int_from_int): Do not
6530 set overflow if that occured only because of a sign extension
6531 change when converting from/to a sizetype with the same
6532 precision and signedness.
6534 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6537 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
6538 location address to the correct place. Update copyright year.
6540 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6542 * lambda-code.c (lambda_transform_legal_p): Handle the case of
6543 no dependences in the dependence_relations vector.
6545 2008-01-16 Jan Hubicka <jh@suse.cz>
6547 PR rtl-optimization/31396
6548 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
6549 * cfg.c (dump_reg_info): Print it.
6550 * regs.h (struct reg_info_t): add freq_calls_crossed.
6551 (REG_FREQ_CALLS_CROSSED): New macro.
6552 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
6553 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
6554 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6555 regmove_optimize): Update call crossed frequencies.
6556 * local-alloc.c (struct qty): Add freq_calls_crossed.
6557 (alloc_qty): Copute freq_calls_crossed.
6558 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
6559 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
6560 * ra.h (struct allocno): Add freq_calls_crossed.
6562 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6564 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
6565 libgomp when compiling with ftree-parallelize-loops.
6566 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6568 2008-01-16 Richard Guenther <rguenther@suse.de>
6570 PR tree-optimization/34769
6571 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
6572 * tree.c (int_cst_value): Instead make this function more
6573 permissive in what it accepts as valid input. Document this
6574 function always sign-extends the value.
6576 2008-01-16 Jakub Jelinek <jakub@redhat.com>
6577 Richard Guenther <rguenther@suse.de>
6580 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
6581 (gimple_fold_indirect_ref_rhs): ... this.
6582 (gimple_fold_indirect_ref): New function with foldings
6583 that preserve lvalueness.
6584 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
6585 * tree-flow.h (gimple_fold_indirect_ref): Declare.
6586 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
6587 to fold an INDIRECT_REF, fall back to the old use of
6588 fold_indirect_ref_1.
6590 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6592 * tree-data-ref.c (subscript_dependence_tester_1): Call
6593 free_conflict_function.
6594 (compute_self_dependence): Same.
6596 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
6599 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
6600 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
6602 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
6603 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
6604 for DWARF2_UNWIND_INFO targets.
6606 2008-01-16 Richard Guenther <rguenther@suse.de>
6609 * c-typeck.c (common_pointer_type): Do not merge inconsistent
6610 type qualifiers for function types.
6612 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
6614 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
6615 loop_iterator li from previous commit.
6617 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
6619 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
6621 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6623 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
6624 (parallelize_loops): Don't parallelize irreducible components.
6626 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6629 * c-opts (c_common_post_options): Do not enable CPP
6630 flag_pedantic_errors by default.
6632 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
6634 PR rtl-optimization/31944
6635 * cse.c (remove_pseudo_from_table): New function.
6636 (merge_equiv_classes): Use above function to remove pseudo-registers.
6637 (invalidate): Likewise.
6639 2008-01-13 Richard Guenther <rguenther@suse.de>
6642 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
6643 instead of TYPE_MODE to deal with calls from expand_one_error_var.
6645 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
6647 * gcse.c (cprop_jump): Call validate_unshare_change instead of
6648 validate_change to unshare the source of the PC set.
6650 2008-01-12 Jan Hubicka <jh@suse.cz>
6653 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
6654 references above array bounds. This might trigger bounds checks for
6657 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
6659 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
6660 new_replaceable_dependencies.
6662 2008-01-12 Doug Kwan <dougkwan@google.com>
6664 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
6665 instead of OPT_Wreturn_type in warning due to ignored return type
6667 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
6668 options included in -Wextra.
6669 * c.opt: New option -Wignored_qualifiers.
6670 * doc/invoke.texi (Warning Options, -Wextra): Add new option
6671 -Wignore_qualifiers.
6672 (-Wignored-qualifiers): Document.
6673 (-Wreturn-type): Remove description of functionality now handled
6674 by -Wignored-qualifiers.
6676 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
6679 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
6680 NOP_EXPR if it is between integral types with the same precision.
6682 2008-01-12 Jan Hubicka <jh@suse.cz>
6685 * invoke.texi (max-inline-recursive-depth): Fix default value.
6687 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
6689 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
6692 2008-01-11 Bob Wilson <bob.wilson@acm.org>
6694 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
6696 2008-01-11 James E. Wilson <wilson@specifix.com>
6699 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
6701 2008-01-11 Anatoly Sokolov <aesok@post.ru>
6703 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
6704 save/restore frame pointer register and don't use 'call-prologues'
6705 optimization in function with "OS_task" attribute.
6707 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
6710 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
6711 when copying to memory.
6713 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
6715 PR rtl-optimization/30905
6716 * cfgcleanup.c: Include dce.h
6717 (crossjumps_occured): New global variable.
6718 (try_crossjump_bb): Exit loop after finding a fallthru edge.
6719 If something changed, set crossjumps_occured to true.
6720 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
6721 Don't add/remove fake edges to exit here...
6722 (cleanup_cfg): ...but do it here, when crossjumping.
6723 Run a fast DCE when successful crossjumps occured in the latest
6724 iteration of try_optimize_cfg.
6726 2008-01-11 Richard Guenther <rguenther@suse.de>
6728 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
6729 (struct vn_unary_op_s): Likewise.
6730 (vn_reference_insert): Free old reference on hash collision.
6732 2008-01-10 Raksit Ashok <raksit@google.com>
6734 PR rtl-optimization/27971
6735 * combine.c (find_split_point): Split PLUS expressions which are
6736 inside a MEM rtx, and whose first operand is complex.
6738 2008-01-10 DJ Delorie <dj@redhat.com>
6740 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
6741 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
6742 (m32c_hard_regno_ok): Call the underlying function.
6744 2008-01-10 Richard Guenther <rguenther@suse.de>
6747 * tree-cfg.c (tree_merge_blocks): Do not go through the
6748 full-blown folding and stmt updating path if we just deal
6749 with virtual operands.
6750 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
6751 test for abnormal SSA_NAMEs.
6753 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
6756 * reload.c (push_reload): Add assertions. All constants from
6757 reg_equiv_constant should have been used for replacing the respective
6759 (find_reloads_address): Invoke find_reloads_address_part for
6760 constant taken from the reg_equiv_constant array.
6762 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
6764 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
6765 field (valnum) the first in the struct. Replace bools with
6768 2008-01-10 Richard Guenther <rguenther@suse.de>
6770 PR tree-optimization/34651
6771 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
6772 types and ordering for masking and converting.
6774 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
6776 PR tree-optimization/34017
6777 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
6778 also for PHI_NODE expressions.
6780 2008-01-09 Jan Hubicka <jh@suse.cz>
6782 PR tree-optimization/34708
6783 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
6784 based on number of case labels.
6785 (init_inline_once): Remove switch_cost.
6786 * tree-inline.h (eni_weights_d): Remove switch_cost.
6788 2008-01-09 Richard Guenther <rguenther@suse.de>
6789 Andrew Pinski <andrew_pinski@playstation.sony.com>
6792 * gimplify.c (gimplify_cond_expr): Do not create an addressable
6793 temporary if an rvalue is ok or an lvalue is not required.
6795 2008-01-09 Richard Guenther <rguenther@suse.de>
6798 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
6801 2008-01-09 Richard Guenther <rguenther@suse.de>
6804 * tree.c (host_integerp): Check for sizetype only if the
6805 type is an integer type.
6807 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
6810 * opts.c (decode_options): Disable inlining of functions called
6811 once if not in unit-at-a-time mode.
6813 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
6815 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
6817 2008-01-08 Richard Guenther <rguenther@suse.de>
6820 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
6821 out early if the result will be unused.
6823 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6828 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6829 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6832 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
6834 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
6835 for vectorization tuned.
6837 2008-01-08 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/34683
6840 * tree-ssa-operands.c (operand_build_cmp): Export.
6841 * tree-ssa-operands.h (operand_build_cmp): Declare.
6842 * tree-vn.c (vuses_compare): Remove.
6843 (sort_vuses): Use operand_build_cmp.
6844 (sort_vuses_heap): Likewise.
6845 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
6846 to re-use old VEC if available. Do not sort already sorted VUSEs.
6847 (vdefs_to_vec): Do not sort already sorted VDEFs.
6849 2008-01-08 Jakub Jelinek <jakub@redhat.com>
6852 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
6854 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
6857 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
6858 limitations of reciprocal sequences on x86 targets.
6860 2008-01-08 Richard Guenther <rguenther@suse.de>
6862 PR tree-optimization/34683
6863 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
6865 2008-01-07 Jakub Jelinek <jakub@redhat.com>
6868 * config/darwin.c (darwin_mergeable_string_section): Don't use
6869 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
6871 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
6874 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
6875 negxf2. Macroize expander using X87MODEF mode iterator. Change
6876 predicates of op0 and op1 to register_operand.
6877 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
6878 expander using X87MODEF mode iterator. Change predicates of
6879 op0 and op1 to register_operand.
6880 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
6881 corresponding patterns and macroize using MODEF macro. Change
6882 predicates of op0 and op1 to register_operand and remove
6883 "m" constraint. Disparage "r" alternative with "!".
6884 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
6885 macroize using X87MODEF macro. Change predicates of op0 and op1
6886 to register_operand and remove "m" constraint. Disparage "r"
6887 alternative with "!".
6888 (absneg splitter with memory operands): Remove.
6889 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
6890 patterns and macroize using X87MODEF mode iterator.
6891 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
6892 Change predicate of op1 to register_operand.
6893 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
6894 for memory operands.
6896 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
6898 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
6900 2008-01-07 Richard Guenther <rguenther@suse.de>
6902 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
6905 2008-01-07 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/34683
6908 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
6909 VOPs of the needed size to save memory. Use VEC_quick_push
6910 to save compile-time.
6911 (vdefs_to_vec): Likewise.
6913 2008-01-07 Sa Liu <saliu@de.ibm.com>
6915 * config/spu/spu.md (divdf3): Genetate inline code for double
6916 division. The implementation doesn't handle INF or NAN, therefore it
6917 only applies when -ffinite-math-only is given.
6919 2008-01-06 Paolo Carlini <pcarlini@suse.de>
6922 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
6923 * doc/cpp.texi ([Common Predefined Macros]): Document.
6925 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
6927 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
6928 order to use commutative addition instead of subtraction.
6930 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6931 Mircea Namolaru <namolaru@il.ibm.com>
6932 Vladimir Yanovsky <yanov@il.ibm.com>
6933 Revital Eres <eres@il.ibm.com>
6935 PR tree-optimization/34263
6936 * tree-outof-ssa.c (process_single_block_loop_latch,
6937 contains_tree_r): New functions.
6938 (analyze_edges_for_bb): Call process_single_block_loop_latch
6939 function to empty single-basic-block latch block if possible.
6941 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6943 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
6945 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
6947 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6949 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
6951 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
6953 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
6955 2008-01-05 Jakub Jelinek <jakub@redhat.com>
6957 PR tree-optimization/34618
6958 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
6961 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
6964 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
6965 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
6966 Update copyright year.
6968 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
6969 Update copyright year.
6970 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
6973 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
6975 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
6976 edge does not point to current bb before changing need_assert.
6978 2008-01-04 Richard Guenther <rguenther@suse.de>
6981 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
6982 for verifying purposes if they are is_gimple_min_invariant.
6984 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
6986 PR tree-optimization/34448
6987 PR tree-optimization/34465
6988 * gimplify.c (gimplify_init_constructor): Add new parameter
6989 notify_temp_creation. Use it.
6990 (gimplify_modify_expr_rhs): Take volatiles into account when
6991 optimizing constructors.
6992 Do not optimize constructors if gimplify_init_constructor will dump to
6994 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6995 * gcc.c-torture/compile/pr34448.c: New.
6997 2008-01-04 Jakub Jelinek <jakub@redhat.com>
6999 PR gcov-profile/34609
7000 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7001 return_slot if result is TREE_ADDRESSABLE.
7003 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7005 * config/mips/mips.md (sqrt_condition): Tweak comment.
7006 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7008 2008-01-03 Tom Tromey <tromey@redhat.com>
7011 * c-common.c (c_type_hash): Handle VLAs.
7013 2008-01-03 Jan Hubicka <jh@suse.cz>
7015 PR tree-optimization/31081
7016 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7017 0 when inlining and not inlining to first basic block.
7018 (remap_decl): When var is initialized to 0, don't set default_def.
7019 (expand_call_inline): Set entry_bb.
7020 * tree-inline.h (copy_body_data): Add entry_bb.
7022 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7025 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7028 PR tree-optimization/29484
7029 * tree-inline.c (inline_forbidden_p_2): New function.
7030 (inline_forbidden_p): Disallow inlining if some static var
7031 has an address of a local LABEL_DECL in its initializer.
7032 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7035 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7037 PR tree-optimization/34635
7038 * tree-data-ref.c (add_other_self_distances): Make sure that the
7039 evolution step is constant.
7041 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7044 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7046 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7048 * tree-sra.c (scalarize_init): Insert the generate_element_init
7049 statements after the generate_element_zero statements.
7051 2008-01-02 Richard Guenther <rguenther@suse.de>
7055 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7056 for very large number of operands instead of ICEing.
7058 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7061 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7062 while stack probing.
7064 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7066 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7069 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7072 * tree-mudflap.c (mx_register_decls): Guard warning by
7073 !DECL_ARTIFICIAL check.
7075 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7077 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7078 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7079 sse5_perm<mode>): Fix constraints.