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1 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
2
3         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
4         Use builtin_define_with_int_value() instead of
5         adding a new check for every new major FreeBSD version.
6
7 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
8
9         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
10
11 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
12
13         * config/arm/predicates.md (call_memory_operand): New.
14         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
15
16 2005-12-15  Andrew Haley  <aph@redhat.com>
17
18         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
19         against prev_cache_entry == NULL when moving a cache entry to the
20         head of the list.
21         
22 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
23
24         * config/mt/mt.c (mt_override_options): Require lower case
25         architectures.  Revert accidental default to ms2.
26         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
27         ENDFILE_SPEC): Require lower case architectures.  Revert default
28         to ms2.
29
30         * doc/invoke.texi (MT Options): Rename and update.
31         * doc/md.texi (MorphoTech family): Rename and update.
32
33 2005-12-15  Olivier Hainque  <hainque@adacore.com>
34
35         * stor-layout.c (layout_type): Don't complain about a too small
36         an array element type size compared to its alignment when the
37         size overflows.
38
39 2005-12-15  Jan Hubicka  <jh@suse.cz>
40
41         PR target/24969
42         * i386.c (classify_argument): Properly adjust offset of bitfield for
43         substructures.
44
45 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
46
47         * final.c (final_scan_insn): Flip in_cold_section_p when changing
48         between the hot and cold sections.  Use current_function_section
49         to get the new section.
50         * dwarf2out.c (output_line_info): Use in_cold_section_p to
51         determine whether we are assembling hot or cold code.
52         (secname_for_decl, dwarf2out_var_location): Likewise.
53         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
54         * varasm.c (last_text_section): Delete.
55         (in_cold_section_p): New variable.
56         (hot_function_section): New function.
57         (current_function_section): Pass in_cold_section_p as the
58         reloc argument to select_section.  Use it to decide between
59         unlikely_function_section and hot_function_section.
60         (assemble_start_function): Use switch_to_section.  Set
61         in_cold_section_p instead of last_text_section.
62         (assemble_end_function): Use switch_to_section.
63         (switch_to_section): Don't set last_text_section.
64         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
65         argument to make the right choice between hot and cold sections.
66
67 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
68
69         Second part of MS1->MT renaming
70         * config/mt/mt.md (doloop_end): Call mt_add_loop.
71         (movqi, movhi): Call mt_set_memflags.
72         (*movdf_internal): Call mt_split_words. 
73         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
74         mt_set_memflags.
75         (cmpsi): Store to mt_compare_op[01].
76         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
77         bungt, bunle, bunlt): Call mt_emit_cbranch.
78         (prologue): Call mt_expand_prologue.
79         (epilogu): Call mt_expend_epilogue.
80         (eh_return): Call mt_expand_eh_return.
81         (eh_epilogue): Call me_emit_eh_epilogue.
82         (conditional_trap): Store to mt_compare_op[01].
83         * config/mt/crti.asm: Adjust comment.
84         * config/mt/crtn.asm: Adjust comment.
85         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
86         (mt_compare_op0, mt_compare_op1): Renamed.
87         (current_frame_info, zero_frame_info): Adjust type.
88         (mt_ucmpsi3_libcall): Renamed.
89         (mt_flag_delayed_branch): Renamed.
90         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
91         (mt_nops_required, mt_nop_reasons): Renamed.
92         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
93         mt_debug_stack, mt_print_operand_simple_address,
94         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
95         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
96         mt_function_arg_advance, mt_arg_partial_bytes,
97         mt_pass_by_reference, mt_function_arg_boundary,
98         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
99         mt_legitimate_address_p): Renamed, adjusted.
100         (mt_cpu): Renamed.
101         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
102         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
103         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
104         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
105         mt_expand_eh_return, mt_emit_eh_prologue,
106         mt_handl_interrupt_attribute): Renamed, adjusted.
107         (mt_attribute_table): Renamed, adjusted.
108         (mt_initial_elimination_offset, mt_generate_compare,
109         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
110         mt_secondary_reload_class, mt_function_value, mt_split_words,
111         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
112         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
113         (mt_labels): Renamed.
114         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
115         mt_machine_reorg): Renamed, adjusted.
116         (mt_attribute_table: Renamed.
117         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
118         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
119         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
120         * config/mt/mt.opt (march): Set mt_cpu_string.
121         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
122         (TARGET_CPU_CPP_BUILTINS): Adjust.
123         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
124         TARGET_MS2): Adjust.
125         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
126         (MT_MIN_INT): Renamed.
127         (RETURN_ADDR_RTX): Adjust.
128         (struct mt_frame_info): Renamed.
129         (current_frame_info): Adjust type.
130         (INITIAL_ELIMINATION_OFFSET): Adjust.
131         (MT_NUM_ARG_REGS): Renamed.
132         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
133         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
134         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
135         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
136         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
137         (mt_compare_op0, mt_compare_op1): Renamed.
138         * config/mt/mt-protos.h: Rename prototypes.
139
140 2005-12-15  Richard Guenther  <rguenther@suse.de>
141
142         * tree-flow.h (okay_component_ref_for_subvars): Remove.
143         (get_ref_base_and_extent): Declare.
144         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
145         (get_ref_base_and_extent): New function.
146         * tree-ssa-alias.c (find_used_portions): Use it.
147         * tree-ssa-structalias.c (get_constraint_for_component_ref):
148         Likewise.
149         * tree-ssa-operands.c (get_expr_operands): Likewise.
150
151 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
152
153         * combine.c: Remove force_to_mode's fourth parameter.
154         (force_to_mode): Do not handle REG.
155         (canon_reg_for_combine): New.
156         (make_field_assignment): Use it where the removed argument was non-NULL.
157
158 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
159
160         PR target/25406
161         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
162         error_mark_node.  Make alignment params unsigned.
163         * config/rs6000/rs6000-protos.h
164         (rs6000_special_round_type_align): Update prototype.
165         (rs6000_machopic_legitimize_pic_address): Remove arg names.
166
167 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
168
169         PR rtl-optimization/25310
170         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
171         of the eliminable register when substituting into a PLUS.
172
173 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
174
175         PR debug/25023
176         * config/i386/i386.c (ix86_force_to_memory): Always use
177         SImode push for HImode in -m32.
178         (ix86_free_from_memory): Likewise.
179
180 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
181
182         * gcc/config/arm/arm.md: Provide a big-endian version of the
183         (zero_extend:SI (subreg:QI ...)) splitter.
184
185 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
186
187         * struct-equiv.c (note_local_live): Handle hard regs with different
188         hard_regno_nregs.
189
190 2005-12-14  Jeff Law  <law@redhat.com>
191
192         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
193         to a structure containing state rather than a pointer to bool.
194         (case ARRAY_REF): New code to handle folding some array references.
195         (case ADDR_EXPR): Note when we are processing expressions found
196         within an ADDRE_EXPR.
197         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
198         for state variables rather than just a pointer to a boolean.
199         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
200         handling of constant string references.
201
202 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
203
204         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
205         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
206         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
207         Move other tst* patterns to retain partial order.
208
209 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
210
211         * config/s390/s390.md ("d0", "1"): New mode attributes.
212         ("<shift>di3", "<shift>si3"): Merge.
213         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
214         ("ashrdi3", "ashrsi3"): Merge.
215         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
216         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
217         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
218         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
219         ("*ashrdi3", "*ashrsi3"): Merge.
220         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
221
222 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
223
224         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
225         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
226         ("*extendqidi2", "*extendqisi2") Merge.
227         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
228         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
229         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
230         Move some patterns to retain partial ordering.
231
232 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
233
234         * config/s390/s390.md ("atype", "length"): Rewrite.
235         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
236
237 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
238
239         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
240
241 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
242
243         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
244         PARALLELs with a mode.
245
246 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
247
248         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
249         cond_expr parameter.
250
251 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
252
253         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
254
255 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
256
257         PR bootstrap/25397:
258
259         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
260         of STACK_REGS bits.
261
262         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
263
264 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
265
266         PR target/25254
267         PR target/24188
268         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
269         DECL_P, call get_section rather than get_named_section.  Supply
270         section flags to it.
271
272 2005-12-14  Ben Elliston  <bje@au.ibm.com>
273
274         * c-common.c (c_common_truthvalue_conversion): Generalise warning
275         for addresses converted to booleans; not just function addresses.
276         * c-typeck.c (build_binary_op): Warn for address comparisons which
277         can never be NULL (eg. func == NULL or &var == NULL).
278         * common.opt (Walways-true): New option.
279         * c-opts.c (c_common_handle_option): Set it with -Wall.
280         * doc/invoke.texi: Document it.
281
282 2005-12-13  Paul Brook  <paul@codesourcery.com>
283
284         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
285         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
286
287 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
288
289         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
290         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
291
292         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
293         (EXTRA_MULTILIB_PARTS): Define.
294
295 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
296
297         PR rtl-optimization/20070 / part1
298         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
299         count_or_remove_death_notes with kill == -1.
300         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
301         registers if PROP_POST_REGSTACK is set.
302         (mark_used_reg): Likewise.
303         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
304         REG_UNUSED notes for stack regs.
305         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
306         to match rtx_equiv_p machinery.  Change caller.
307         (outgoing_edges_match): Likewise.
308         (try_crossjump_to_edge): Use struct_equiv_block_eq
309         instead of flow_find_cross_jump.
310         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
311         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
312         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
313         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
314         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
315         (insns_match_p): Update prototype.
316         (flow_find_cross_jump): Remove prototype.
317         (struct_equiv_block_eq, struct_equiv_init): Declare.
318         (rtx_equiv_p, condjump_equiv_p): Likewise.
319         * struct-equiv.c: Include reload.h.
320         (IMPOSSIBLE_MOVE_FACTOR): Define.
321         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
322         (struct_equiv_improve_checkpoint): Likewise.
323         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
324         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
325         (struct_equiv_merge, find_dying_input): Likewise.
326         (resolve_input_conflict, note_local_live): Likewise.
327         (death_notes_match_p): Change parameters and processing
328         to match rtx_equiv_p machinery.  Change caller.
329         (insns_match_p): Likewise.
330         (flow_find_cross_jump): Replace with:
331         (struct_equiv_block_eq).
332
333         Back out this change:
334         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
335           * recog.c (verify_changes): Make it static.
336           * recog.h: Remove the corresponding prototype.
337
338 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
339
340         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
341         values.
342
343 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
344
345         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
346         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
347         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
348         TARGET_MS1_64_001 appropriately.
349         (ms1_machine_reorg): Use TARGET_MS2.
350
351 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
352
353         PR debug/25023
354         PR target/25293
355         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
356         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
357         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
358         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
359         Set mode to SI, adjust constraints.
360         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
361         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
362         32-bit code.
363
364 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
365
366         * c-cppbuiltin.c (builtin_define_float_constants): Add
367         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
368         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
369         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
370         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
371         to "((double)%sL)" otherwise "%s".
372
373 2005-12-13  Paul Brook  <paul@codesourcery.com>
374
375         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
376         apcs/atpcs.
377
378 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
379
380         * tree-flow.h: Allow compilation with a C++ compiler.
381         (struct edge_prediction): Prefix all field names  with "ep_".
382         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
383         (tree_predict_edge, combine_predictions_for_bb): Likewise.
384         (remove_predictions_associated_with_edge): Likewise.
385         
386 2005-12-12  Jeff Law  <law@redhat.com>
387
388         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
389         reassociation code.
390         * passes.c (init_optimization_passes): Run reassociation again
391         after loop optimizations.
392
393 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
394
395         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
396         if necessary.
397         (optimize_stmt): Ditto.
398         (canonicalize_comparison): New function.
399         * tree-ssa-operands.c (swap_tree_operands): Make external.
400         (get_expr_operands): Stop auto-canonicalization.
401         * tree-ssa-reassoc.c: Rewrite.
402         (init_optimization_passes): 
403         * tree-flow.h (swap_tree_operands): Prototype.
404         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
405
406 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
407
408         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
409         indicate function epilogue has been output.
410         (pa_asm_output_mi_thunk): Likewise.
411         (output_deferred_plabels): Put plabels in readonly data section when
412         not generating PIC code.
413         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
414         information.  Add assert.
415         (som_output_comdat_data_section_asm_op): New function.
416         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
417         instead of output_section_asm_op for COMDAT sections.
418
419 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
420
421         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
422         Fix whitespace in vincinity of to-be-installed changes.
423         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
424         (insns_match_p): Likewise.
425
426 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
427
428         * config.gcc (ms1): Replace with ...
429         (mt): ... this.
430         * config/ms1: Rename to ...
431         * config/mt: ... here.  Rename ms1 files to mt.
432         * config/mt/mt.c: Adjust gt-mt.h #include.
433         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
434         (crti.o, crtn.o): Adjust file names.
435
436 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
437
438         * varray.h: Allow compilation with a C++ compiler.
439         (union varray_data_tag): Prefix all field names with "vdt_".
440         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
441         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
442         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
443         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
444         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
445         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
446         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
447         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
448         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
449         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
450         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
451         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
452         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
453         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
454         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
455         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
456         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
457         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
458         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
459         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
460         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
461         VARRAY_TOP_TREE_PTR): Likewise.
462         * varray.c (varray_grow): Likewise.
463         (varray_clear): Likewise.
464
465 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
466
467         PR target/25299
468         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
469         alignment to doubleword if the first field is a double array.
470         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
471
472 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
473
474         * tree-ssa-structalias.c (process_constraint): Remove code to
475         transform addressofs into scalar.
476         (create_variable_info_for): In whole-program IPA, globals don't
477         point to ANYTHING by default.
478
479 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
480
481         * timevar.def (TV_IPA_PTA): New.
482         * tree-pass.h (pass_ipa_pta): New
483         * tree-ssa-structalias.c: Include cgraph.h
484         (in_ipa_mode): New.
485         (predbitmap_obstack): New.
486         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
487         (struct constraint_stats): Add num_edges.
488         (new_var_info): Don't call bitmap_clear.
489         (struct constraint_edge): Update docs.
490         (new_constraint_edge): Remove src param.
491         (struct constraint_graph): Add zero_weight_succs,
492         zero_weight_preds.  Update docs.
493         (constraint_expr_equal): Reformat.
494         (constraint_edge_equal): Update for removal of src.
495         (constraint_edge_less): Ditto.
496         (constraint_edge_vec_find): Ditto.
497         (erase_graph_self_edge): Update for removal of src and and zero
498         weight bitmap.
499         (clear_edges_for_node): Ditto.
500         (add_graph_edge): Ditto.
501         (get_graph_weights): Ditto.
502         (allocate_graph_weights): Ditto.
503         (merge_graph_nodes): Ditto.
504         (int_add_graph_edge): Ditto.
505         (valid_graph_edge): Ditto.
506         (valid_weighted_graph_edge): Ditto.
507         (build_constraint_graph): Ditto.
508         (scc_visit): Ditto.
509         (collapse_nodes): Ditto.
510         (process_unification_queue): Ditto.
511         (topo_visit): Ditto.
512         (solve_graph): Ditto.
513         (do_structure_copy): Ditto.
514         (perform_var_substitution): Ditto.
515         Init and release obstack.
516         (handle_ptr_arith): Try to resolve directly.
517         (find_func_aliases): Don't call update_alias_info here
518         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
519         (do_sd_constraint): Add code for propagating faster.
520         Update.
521         (do_ds_constraint): Ditto.
522         (count_num_arguments): New function.
523         (create_function_info_for): Ditto.
524         (create_variable_info_for): Handle FUNCTION_DECL.
525         (intra_create_variable_infos): Use make_constraint_to_anything.
526         (init_alias_vars): Init obstacks here.
527         (need_to_solve): Handle zero weight graph changes.
528         (compute_points_to_sets): Call update_alias_info here.
529         (delete_points_to_sets): Free zero weight preds/succs here.
530         (gate_ipa_pta): New.
531         (ipa_pta_execute): New
532
533 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
534
535         * tree-ssa-structalias.c (var_anyoffset): Removed.
536         (anyoffset_tree): Ditto.
537         (anyoffset_id): Ditto.
538         (do_deref): Take vector of constraints, no return value.
539         Update to work on vector.                
540         (get_constraint_for): Ditto.
541         (get_constraint_for_component_ref): Ditto.
542         (do_structure_copy): Ditto.
543         (handle_ptr_arith): Ditto.
544         (find_func_aliases): Ditto.
545         (set_uids_in_ptset): Remove anyoffset handling.
546         (init_base_vars): Ditto.
547
548 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
549
550         PR c++/25010
551         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
552         DECL_EXTERNAL functions have no bodies.  Tidy.
553
554 2005-12-10  Andreas Schwab  <schwab@suse.de>
555
556         * except.c (switch_to_exception_section): Only define if
557         TARGET_UNWIND_INFO is not defined.
558
559 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
560
561         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
562         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
563
564 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
565
566         * output.h (init_section, fini_section): Delete.
567         * varasm.c (init_section, fini_section): Delete.
568         (init_varasm_once): Don't initialize them.
569         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
570         there are no corresponding varasm.c variables.
571
572 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
573
574         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
575         of EH_FRAME_SECTION_NAME into...
576         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
577         if it is still null.
578         * except.c (default_exception_section): Delete, moving most
579         of the code to...
580         (switch_to_exception_section): ...this new function.  Set
581         exception_section if it is still null, then switch to it.
582         (output_function_exception_table): Use switch_to_exception_section.
583         * varasm.c (exception_section, eh_frame_section): Update comments.
584         (get_section): Hoist use of SECTION_NAMED.
585         (init_varasm_once): Don't set exception_section and eh_frame_section.
586         * output.h (default_exception_section): Delete.
587         (default_eh_frame_section): Delete.
588
589 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
590
591         * config/bfin/bfin.c: Include "cgraph.h".
592         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
593         Return the reg that holds the pointer to the GOT.
594         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
595         doing stack checking.
596
597 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
598
599         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
600         recompute_tree_invarant_for_addr_expr.
601         Update uses everywhere.
602
603 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
604
605         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
606         (MULTILIB_DIRNAMES): Define.
607
608 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
609
610         PR target/25311
611         * config/s390/s390.c (struct s390_address): New field literal_pool.
612         (s390_decompose_address): Compute literal_pool field.  Do not 
613         assume register %r13 is always (and solely) used as pool base.
614         (s390_extra_constraint_str): Use literal_pool field.
615
616 2005-12-09  Thiemo Seufer  <ths@networkno.de>
617
618         * config/mips/mips.c (override_options): Don't allow too small
619         integers in FP registers.
620
621 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
622
623         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
624         targetm.binds_local_p to check for local function calls.
625
626 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
627
628         PR debug/24908
629         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
630         call_used_regs can't be used to save reg in another reg.
631
632 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
633             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
634
635         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
636         abort.
637         * except.c (output_ttype): Likewise.
638         * tree-object-size.c (collect_object_sizes_for): Likewise.
639         (check_for_plus_in_loops_1): Likewise.
640         (check_for_plus_in_loops): Likewise.
641         (compute_object_sizes): Use gcc_unreachable instead of abort.
642
643 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
644
645         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
646         (loop_end, loop_init, doloop_end): New insns.
647         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
648         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
649         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
650         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
651         * config/ms1/ms1.c: #include basic-block.h
652         (struct machine_function): Add has_loops field.
653         (ms1_add_loop): New.
654         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
655         (struct loop_info, struct loop_work): New.
656         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
657         (ms1_reorg_loops): New loop optimization.
658         (ms1_machine_reorg): Call it.
659         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
660
661 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
662
663         PR tree-optimization/25248
664         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
665         evolution_of_loop from the failed attempt.  Remove handling
666         of MULT_EXPR.
667
668 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
669
670         * tree.h (DECL_EXTERNAL): Clarify documentation.
671
672 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
673             Jakub Jelinek  <jakub@redhat.com>
674
675         PR target/25268
676         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
677         argument.  Don't drop outer ANDs.
678         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
679         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
680         prototype.
681         * config/s390/predicates.md (setmem_operand): Remove.
682         (shift_count_operand): Rename to...
683         (shift_count_or_setmem_operand): ... this.  Adjust
684         s390_decompose_shift_count caller.
685         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
686         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
687         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
688         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
689         rotl<mode>3_and, setmem_long_and): New insns.
690         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
691         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
692         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
693         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
694         of shift_count_operand.
695         (setmem_long): Use shift_count_or_setmem_operand instead of
696         setmem_operand.
697
698 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
699             Andreas Tobler  <a.tobler@schweiz.ch>
700
701         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
702         tr expression.
703
704 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
705
706         * expr.c (force_operand): Use convert_to_mode for conversions.
707
708 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
709
710         * reload.h (reg_equiv_invariant): Declare.
711         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
712         register also when reg_equiv_invariant[R] is set.
713
714 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
715             Andreas Tobler  <a.tobler@schweiz.ch>
716
717         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
718
719 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
720
721         * tree-ssa-pre.c (bitmap_set_and): New function.
722         (bitmap_set_and_compl): New function.
723         (bitmap_set_empty_p): New function.
724         (insert_extra_phis): New function.
725         (compute_avail): Use insert_extra_phis.
726
727 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
728
729         * config/s390/s390.c (s390_expand_atomic): New function.
730         Adjust comment of helper functions.
731         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
732         * config/s390/s390.md ("ATOMIC"): New code macro.
733         ("atomic"): Corresponding new code attribute.
734         ("sync_lock_test_and_set[hq]i", 
735         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
736
737 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
738
739         * config/s390/s390.c (s390_expand_mask_and_shift, 
740         struct alignment_context, init_alignment_context, 
741         s390_expand_cs_hqi): New.
742         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
743         * config/s390/s390.md ("sync_compare_and_swaphi",
744         "sync_compare_and_swapqi"): New pattern.
745
746 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
747
748         Fix PR tree-optimization/25291
749         * tree-ssa-operands.c (add_call_clobber_ops): Remove
750         redundant and crashing check.
751
752 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
753
754         PR target/25212
755         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
756         tests further when !strict && reload_in_progress.
757         (print_operand): Check that both operands of indexed address are regs.
758         (print_operand_address): Likewise.
759         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
760         (INT_REG_OK_FOR_BASE_P): Correct.
761
762 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
763
764         Preparation for PR rtl-optimization/20070 / part1
765         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
766         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
767         outgoing_edges_match.
768         (outgoing_edges_match): Use condjump_equiv_p.
769         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
770         into..
771         * struct-equiv.c: New file.
772         (death_notes_match_p) New function, broken out of insns_match_p.
773         * Makefile.in (OBJS-common): Add struct-equiv.o.
774         (struct-equiv.o): New target.
775
776 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
777
778         * coretypes.h: Revert previous change.
779         * config/darwin.h: Revert previous reversion.
780         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
781
782 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
783
784         * coretypes.h (section): Provide dummy definition for target files.
785         * config/darwin.h: Revert previous change.
786
787 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
788
789         * doc/sourcebuild.texi (all.build, install-normal): Remove.
790         * configure.ac: Remove all.build and install-normal from target_list
791         * configure: Regenerate.
792         * Makefile.in (install): Don't depend on install-normal.
793
794 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
795
796         * Makefile.in: Document the use of stamps.
797
798 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
799
800         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
801         * Makefile.in: Add code to compute some dependencies on s-gtype
802         automatically.  Remove the declaration of those dependencies.
803
804 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
805
806         * gcc/reload.c (push_secondary_reload): Fix typo:
807         s/insn_constraint/scratch_constraint/.
808
809 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
810
811         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
812
813 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
814
815         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
816         (alpha_elf_select_rtx_section): Return the selected section rather
817         than emitting assembly code.
818         (alpha_write_linkage): Emit a ".link" directive directly and then
819         set in_section to NULL.
820         (vms_asm_out_constructor): Use switch_to_section.
821         (vms_asm_out_destructor): Likewise.
822         (unicosmk_output_common): Set in_section to NULL instead of calling
823         the dummy common_section function.
824         (unicosmk_text_section): Delete in favor of...
825         (unicosmk_output_text_section_asm_op): ...this new function.
826         (unicosmk_data_section): Delete in favor of...
827         (unicosmk_output_data_section_asm_op): ...this new function.
828         (unicosmk_init_sections): New function.
829         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
830         (unicosmk_output_ssib): Set in_section to NULL instead of calling
831         the dummy ssib_section function.
832         (unicosmk_section_buf): Delete.
833         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
834         (unicosmk_data_section): Delete.
835         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
836         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
837         (SECTION_FUNCTION_TEMPLATE): Delete.
838         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
839         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
840         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
841         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
842         (TARGET_ASM_INIT_SECTIONS): Define.
843         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
844         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
845         (link_section, literals_section): Delete.
846         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
847         set in_section to NULL.
848
849         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
850         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
851         (COMMON_SECTION): Delete.
852         (TARGET_ASM_INIT_SECTIONS): Define.
853         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
854         the dummy common_section function.
855         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
856         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
857         between readonly_data_section and text_section to check whether
858         read-only data is being put in the text section.
859         (arm_output_function_epilogue): Use switch_to_section.
860         (arm_elf_asm_constructor): Likewise.
861         (thumb_call_via_reg): Replace call to in_text_section with
862         a comparison between in_section and text_section.
863         (arm_file_end): Use switch_to_section.
864         (aof_text_section): Delete in favor of...
865         (aof_output_text_section_asm_op): ...this new function.
866         (aof_data_section): Delete in favor of...
867         (aof_output_data_section_asm_op): ...this new function.
868         (aof_asm_init_sections): New function.
869         (zero_init_section): Moved from config/arm/aof.h.
870         (aof_dump_imports, aof_file_start): Use switch_to_section.
871         * config/arm/arm.h (thumb_call_via_label): Update comment.
872         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
873         (common_section): Delete.
874         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
875         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
876         global switch_to_section function instead of the old port-local one.
877         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
878         (SWITCH_TO_SECTION_FUNCTION): Delete.
879         (drectve_section): Redefine as a macro.
880         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
881         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
882         switch_to_section.
883
884         * config/avr/avr.c (progmem_section): New variable.
885         (avr_output_progmem_section_asm_op): New function.
886         (avr_asm_init_sections): New function.
887         (avr_output_addr_vec_elt): Use switch_to_section.
888         * config/avr/avr.h (progmem_section): Declare.
889         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
890         (READONLY_DATA_SECTION): Delete.
891         (TARGET_ASM_INIT_SECTIONS): Define.
892         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
893         * config/avr/avr-protos.h (progmem_section): Delete.
894
895         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
896
897         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
898         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
899
900         * config/darwin-sections.def: New file.
901         * config/darwin.c: Define all sections in darwin-sections.def.
902         (output_objc_section_asm_op, darwin_init_sections): New functions.
903         (machopic_output_indirection): Use switch_to_section.
904         (machopic_select_section): Return the selected section rather than
905         emitting assembly code.  Replace the static function table with
906         inline conditional expressions.  Update the tests of last_text_section
907         and move them into the FUNCTION_DECL block.
908         (machopic_select_rtx_section): Return the selected section rather than
909         emitting assembly code.
910         (machopic_asm_out_constructor, machopic_asm_out_destructor)
911         (darwin_file_end): Use switch_to_section.
912         * config/darwin.h: Use darwin-sections.def to declare sections.
913         (INIT_SECTION_ASM_OP): Remove empty definition.
914         (HAS_INIT_SECTION): Define this instead.
915         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
916         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
917         (TARGET_ASM_EH_FRAME_SECTION): Delete.
918         (TARGET_ASM_INIT_SECTIONS): Define.
919         * config/darwin-protos.h (darwin_init_sections): Declare.
920         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
921         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
922         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
923         (constructor_section, destructor_section, mod_init_section): Delete.
924         (mod_term_section): Delete.
925         (darwin_exception_section, darwin_eh_frame_section): Delete.
926         (machopic_select_section): Return a section.
927         (machopic_select_rtx_section): Likewise.
928         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
929         (const_section, const_coal_section, const_data_section): Delete.
930         (const_data_coal_section, data_coal_section, cstring_section): Delete.
931         (literal4_section, literal8_section, constructor_section): Delete.
932         (mod_init_section, mod_term_section, destructor_section): Delete.
933         (objc_class_section, objc_meta_class_section, objc_category_section)
934         (objc_class_vars_section, objc_instance_vars_section): Delete.
935         (objc_cls_meth_section, objc_inst_meth_section): Delete.
936         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
937         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
938         (objc_symbols_section, objc_module_info_section): Delete.
939         (objc_image_info_section, objc_protocol_section): Delete.
940         (objc_string_object_section, objc_constant_string_object_section)
941         (objc_class_names_section, objc_meth_var_names_section): Delete.
942         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
943         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
944         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
945         (darwin_exception_section, darwin_eh_frame_section): Delete.
946         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
947
948         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
949         (frv_asm_out_destructor): Likewise.
950         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
951         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
952         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
953         get_named_section.
954         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
955         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
956         (data_section): Delete.
957
958         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
959         (DRECTVE_SECTION_FUNCTION): Delete.
960         (drectve_section): Redefine as a macro that sets in_section after
961         emitting the directive.
962         (SWITCH_TO_SECTION_FUNCTION): Delete.
963         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
964         in_text_section with comparison between in_section and text_section.
965         * config/i386/i386.c (x86_64_elf_select_section): Return the section
966         rather than emitting assembly code.  Use get_named_section.
967         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
968         get_named_section.
969         (machopic_output_stub): Use switch_to_section.
970         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
971         (nwld_named_section_asm_out_destructor): Use get_section and
972         switch_to_section.
973
974         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
975         rather than emitting assembly code.
976         (ia64_rwreloc_select_section): Likewise.
977         (ia64_rwreloc_select_rtx_section): Likewise.
978         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
979         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
980         switch_to_section.
981         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
982         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
983
984         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
985         section rather than emitting assembly code.
986         (iq2000_select_section): Likewise.
987         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
988         (sbss_section): Delete.
989
990         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
991         and get_named_section.
992         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
993
994         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
995         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
996         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
997         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
998         in_section to NULL.
999         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1000         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1001         global switch_to_section function instead of the old port-local one.
1002         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1003         (SWITCH_SECTION_FUNCTION): Delete.
1004         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1005         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1006         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1007         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1008         in_section to NULL.
1009         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1010         global switch_to_section function instead of the old port-local one.
1011         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1012
1013         * config/mips/mips.c (mips_file_start): Update comment.
1014         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1015         (mips_output_aligned_decl_common): Use switch_to_section.
1016         (mips_select_rtx_section): Return the section rather than emitting
1017         assembly code.  Use get_named_section.
1018         (mips_function_rodata_section: Likewise get_section.
1019         (build_mips16_function_stub): Use switch_to_section.
1020         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1021         (SDATA_SECTION_ASM_OP): Delete.
1022         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1023         (EXTRA_SECTION_FUNCTIONS): Delete.
1024
1025         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1026         (mmix_asm_output_aligned_local): Use switch_to_section.
1027
1028         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1029         (som_one_only_readonly_data_section): New variables.
1030         (pa_output_function_epilogue): Set in_section to NULL instead of
1031         calling forget_section.
1032         (output_deferred_plabels): Use select_section.
1033         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1034         of calling forget_section.
1035         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1036         (pa_asm_output_aligned_local): Use select_section.
1037         (som_text_section_asm_op): Delete in favor of...
1038         (som_output_text_section_asm_op): ...this new function.
1039         (pa_som_asm_init_sections): New function.
1040         (pa_select_section): Return the section rather than emitting
1041         assembly code.
1042         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1043         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1044         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1045         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1046         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1047         (som_readonly_data_section, som_one_only_readonly_data_section)
1048         (som_one_only_data_section, forget_section): Delete.
1049         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1050         (TARGET_ASM_INIT_SECTIONS): Define.
1051         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1052
1053         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1054         (private_data_section, read_only_private_data_section): New variables.
1055         (sdata2_section, toc_section): New variables.
1056         (rs6000_file_start): Use switch_to_section.
1057         (rs6000_assemble_integer): Use comparisons against in_section
1058         instead of calling in_toc_section and in_text_section.  Use
1059         unlikely_text_section_p.
1060         (rs6000_elf_output_toc_section_asm_op): New function, derived
1061         from the old rs6000/sysv4.h toc_section function.
1062         (rs6000_elf_asm_init_sections): New function.
1063         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1064         the section rather than emitting assembly code.
1065         (machopic_output_stub): Use switch_to_section.
1066         (toc_section): Delete dummy function.
1067         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1068         switch_to_section and get_section.
1069         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1070         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1071         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1072         the old rs6000/xcoff.h toc_section function.
1073         (rs6000_xcoff_asm_init_sections): New function.
1074         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1075         the section rather than emitting assembly code.
1076         (rs6000_xcoff_file_start): Use switch_to_section.
1077         (rs6000_xcoff_file_end): Likewise.
1078         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1079         (sdata2_section, sbss_section, private_data_section): Delete.
1080         (read_only_data_section, read_only_private_data_section): Delete.
1081         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1082         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1083         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1084         (FINI_SECTION_FUNCTION): Delete.
1085         (TARGET_ASM_INIT_SECTIONS): Define.
1086         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1087         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1088         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1089         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1090         (READONLY_DATA_SECTION): Delete.
1091         (TARGET_ASM_INIT_SECTIONS): Define.
1092         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1093         to NULL rather than no_section.
1094         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1095
1096         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1097
1098         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1099         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1100         from call to current_function_section.
1101
1102         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1103         (bss100_section): New variable.
1104         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1105         (xstormy16_asm_init_sections): New function.
1106         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1107         switch_to_section and get_section.
1108         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1109         from calls to current_function_section.
1110         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1111         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1112         (TARGET_ASM_INIT_SECTIONS): Define.
1113         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1114
1115         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1116         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1117         (FINI_SECTION_FUNCTION): Delete.
1118
1119         * config/v850/v850.c: Include gt-v850.h.
1120         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1121         (zbss_section): New variables.
1122         (v850_output_aligned_bss): Use switch_to_section.
1123         (v850_asm_init_sections): New function.
1124         (v850_select_section): Return the section rather than emitting
1125         assembly code.
1126         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1127         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1128         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1129         (TARGET_ASM_INIT_SECTIONS): Define.
1130         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1131         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1132         (zbss_section): Delete.
1133
1134         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1135
1136         * config/vx-common.h (vxworks_exception_section): Delete.
1137         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1138
1139         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1140         section rather than emitting assembly code.
1141         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1142         switch_to_section.
1143
1144         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1145         * coretypes.h (section): New union and typedef.
1146         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1147         from call to current_function_section.
1148         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1149         (dbxout_symbol_location): Use switch_to_section.
1150         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1151         most of the code into...
1152         (default_eh_frame_section): ...here.  Return a section.
1153         (collect2_eh_frame_section): Delete, moving most of the code into..
1154         (switch_to_eh_frame_section): ...this new function.
1155         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1156         (debug_macinfo_section, debug_line_section, debug_loc_section)
1157         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1158         variables.
1159         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1160         eh_frame_section.  Use switch_to_section and get_section.
1161         (dwarf2out_begin_prologue): Use switch_to_section.
1162         (AT_string_form): Check the flags in debug_str_section instead of
1163         DEBUG_STR_SECTION_FLAGS.
1164         (output_comp_unit): Use switch_to_section, get_section, and
1165         debug_info_section.
1166         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1167         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1168         from call to current_function_section.
1169         (dwarf2out_var_location): Use unlikely_text_section_p.
1170         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1171         from call to current_function_section.
1172         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1173         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1174         debug_macinfo_section.
1175         (dwarf2out_init): Initialize the new section variables.  Use them
1176         instead of calls to named_section_flags.  Use switch_to_section.
1177         (output_indirect_string): Use switch_to_section and debug_str_section.
1178         (dwarf2out_finish): Use switch_to_section and the new section
1179         variables.
1180         * except.c (default_exception_section): Return the section instead
1181         of emitting assembly code.
1182         (output_function_exception_table): Use the global exception_section
1183         variable instead of the target hook.  Use switch_to_section.  Remove
1184         argument from call to current_function_section.
1185         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1186         (shorten_branches): Use pointer comparisons to detect whether the
1187         text section is the same as readonly_data_section.
1188         (profile_function): Use switch_to_section.  Remove argument from
1189         call to current_function_section.
1190         (final_scan_insn): Likewise.  Update use of last_text_section.
1191         * gengtype.c (open_base_files): Add an include of output.h.
1192         * output.h (text_section, data_section, readonly_data_section)
1193         (ctors_section, dtors_section, bss_section, init_section)
1194         (fini_section, sdata_section): Turn into section pointers.
1195         (in_text_section, in_unlikely_text_section, exports_section)
1196         (drectve_section, named_section, mergeable_string_section)
1197         (last_text_section_name): Delete.
1198         (default_exception_section, default_eh_frame_section): Return sections.
1199         (SECTION_DECLARED, SECTION_NAMED): New macros.
1200         (SECTION_MACH_DEP): Bump value.
1201         (section_common, named_section, unnamed_section): New structures.
1202         (unnamed_section_callback): New typedef.
1203         (section): New union.
1204         (sbss_section, exception_section, eh_frame_section): New variables.
1205         (in_section, last_text_section): Turn into section pointers.
1206         (get_unnamed_section, get_section, get_named_section): New functions.
1207         (mergeable_constant_section, function_section): Return a section.
1208         (unlikely_text_section): Likewise.
1209         (current_function_section): Likewise.  Remove the decl argument.
1210         (unlikely_text_section_p, switch_to_section): New functions.
1211         (output_section_asm_op): New function.
1212         (set_named_section_flags, named_section_flags, named_section_real)
1213         (named_section_first_declaration): Delete.
1214         (default_select_section, default_elf_select_section): Return a section.
1215         (default_elf_select_section_1, default_function_rodata_section)
1216         (default_no_function_rodata_section, default_select_rtx_section)
1217         (default_elf_select_rtx_section): Likewise.
1218         * rtl.h (in_data_section): Delete.
1219         * sdbout.c (sdbout_one_type): Use switch_to_section.
1220         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1221         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1222         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1223         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1224         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1225         (TARGET_ASM_OUT): Update after above changes.
1226         * target.h (init_sections): New hook.
1227         (exception_section, eh_frame_section): Delete.
1228         (select_section, select_rtx_section, function_rodata_section): Return
1229         a section rather than emitting assembly code.
1230         * varasm.c (text_section, data_section, readonly_data_section)
1231         (ctors_section, dtors_section, bss_section, init_section)
1232         (fini_section): Turn into section pointers.
1233         (sdata_section, sbss_section, exception_section): New variables.
1234         (eh_frame_section): New variable.
1235         (in_section): Make global and turn into a section pointer.
1236         (last_text_section): Turn into a section pointer.
1237         (unnamed_sections): New variable.
1238         (in_named_name, last_text_section_name): Delete.
1239         (EXTRA_SECTION_FUNCTIONS): Delete.
1240         (in_named_entry): Delete.
1241         (section_htab): New variable, replacing...
1242         (in_named_htab): ...this deleted variable.
1243         (section_entry_eq, section_entry_hash): New functions, based on...
1244         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1245         (get_unnamed_section, get_section): New functions.
1246         (unlikely_text_section): Return a section instead of emitting
1247         assembly code.
1248         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1249         (get_named_section_flags, named_section_first_declaration): Delete.
1250         (unlikely_text_section_p): New function.
1251         (named_section_real, named_section): Delete.
1252         (get_named_section): New function.
1253         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1254         (function_section): Return a section rather than emitting
1255         assembly code.
1256         (current_function_section): Likewise.  Remove argument.  Use
1257         last_text_section if nonnull, otherwise use function_section.
1258         (default_function_rodata_section): Return a section rather than
1259         emitting assembly code.  Use get_section.
1260         (default_no_function_rodata_section): Return a section rather than
1261         emitting assembly code.
1262         (variable_section): Use switch_to_section and get_named_section.
1263         (mergeable_string_section): Return a section rather than emitting
1264         assembly code.  Use get_section.  Make static.  Don't take special
1265         countermeasures for empty strings.
1266         (mergeable_constant_section): Return a section rather than emitting
1267         assembly code.  Use get_section.
1268         (default_named_section_asm_out_destructor): Use switch_to_section
1269         and get_section.
1270         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1271         (default_named_section_asm_out_constructor): Use switch_to_section
1272         and get_section.
1273         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1274         (assemble_start_function): Likewise.  Set last_text_section to
1275         NULL rather than no_section.  Change the type of save_section.
1276         (assemble_zeros, assemble_variable): Use the section flags to detect
1277         whether or not a section is text.
1278         (assemble_static_space): Use switch_to_section.
1279         (assemble_trampoline_template): Likewise.
1280         (output_constant_def_contents): Use switch_to_section and
1281         get_named_section.
1282         (output_constant_pool_1): Use switch_to_section.  Use the section
1283         flags to see whether sections contain mergeable data.
1284         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1285         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1286         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1287         whether a section has already been declared.
1288         (default_select_section, default_elf_select_section): Return a
1289         section rather than emitting assembly code.
1290         (default_elf_select_section_1): Likewise.  Use bss_section for
1291         SECCAT_BSS if nonnull.  Use get_named_section.
1292         (default_select_rtx_section): Return a section rather than
1293         emitting assembly code.
1294         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1295         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1296         (output_section_asm_op, switch_to_section): New functions.
1297         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1298         get_named_section.
1299
1300         * doc/tm.texi: Expand the introduction to the sections documentation.
1301         (TRAMPOLINE_SECTION): Document new interface.
1302         (SDATA_SECTION_ASM_OP): Document new macro.
1303         (READONLY_DATA_SECTION): Delete.
1304         (SDATA_SECTION_ASM_OP): Document new macro.
1305         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1306         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1307         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1308         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1309         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1310
1311 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1312
1313         * gcc.c (init_gcc_specs): Match braces inside conditionally
1314         compiled strings.
1315
1316 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1317
1318         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1319
1320 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1321
1322         PR C++/24138
1323         * tree.c (integer_all_onesp): Always return true if all bits on.
1324
1325         * testsuite/g++.dg/init/array0.C: New.
1326
1327 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1328
1329         * doc/md.texi: Adapt to implementation.
1330
1331 2005-12-06  Andreas Schwab  <schwab@suse.de>
1332
1333         * opts.c (decode_options): Fix typo in message.
1334
1335 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1336
1337         PR other/13873
1338         * longlong.h: Merge PPC tests from upstream.
1339
1340 2005-12-06  Richard Guenther  <rguenther@suse.de>
1341
1342         * fold-const.c (fold_convert): Do not build and fold
1343         CONVERT_EXPR, but always use NOP_EXPR.
1344
1345 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1346
1347         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1348         __builtin_ia32_paddq and __builtin_ia32_subq.
1349         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1350         __builtin_ia32_pshufw.
1351         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1352
1353 2005-12-05  James E Wilson  <wilson@specifix.com>
1354
1355         PR target/24934
1356         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1357         is set.
1358
1359 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1360         
1361         * print-tree.c (print_node): Ditto.
1362         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1363         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1364         before accessing DECL_ARTIFICIAL. 
1365         Handle new tag tree codes.
1366         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1367         changes.
1368         (unmodifiable_var_p): Ditto.
1369         * tree-flow.h (mem_tag_kind): Remove.
1370         (struct var_ann_d): Remove mem_tag_kind member.
1371         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1372         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1373         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1374         (group_aliases): Ditto.
1375         (setup_pointers_and_addressables): Ditto.
1376         (is_escape_site): Ditto.                                          
1377         (may_alias_p): Ditto.
1378         (create_tag_raw): New function.
1379         (create_memory_tag): Use it.
1380         (dump_alias_info): Update for tags.
1381         (may_be_aliased): Ditto.
1382         (add_type_alias): Ditto.
1383         (new_type_alias): Ditto.
1384         (create_sft): Ditto.
1385         (create_structure_vars): Ditto.
1386         * tree-ssa-ccp.c (get_default_value): Ditto.
1387         * tree-ssa-operands.c (get_expr_operands): Ditto.
1388         (add_stmt_operand): Ditto.
1389         (add_call_clobber_ops): Remove duplicated condition.
1390         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1391         tags.
1392         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1393         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1394         * tree.c (init_ttree): Update structures for new tree codes.
1395         (tree_code_size): Update sizes for new tree codes.
1396         (make_node_stat): Don't try to set common things on minimal
1397         structures.
1398         (tree_node_structure): Update for tags.
1399         (is_global_var): Ditto.
1400         * tree.def: Add new tree codes.
1401         * tree.h (MTAG_P): New macro.
1402         (TREE_MEMORY_TAG_CHECK): Ditto.
1403         (SSA_VAR_P): Update for tags.
1404         (struct tree_memory_tag): New structure.
1405         (MTAG_GLOBAL): New macro.
1406         (union tree_node): Add memory tag member.
1407         * treestruct.def (TS_MEMORY_TAG): New.
1408         
1409 2005-12-05  Dale Johannesen  <dalej@apple.com>
1410
1411         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1412         what was approved (PR 24323).
1413
1414 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1415
1416         * doc/c-tree.texi (Function Bodies): Remove description of
1417         RETURN_INIT.
1418
1419 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1420
1421         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1422         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1423         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1424         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1425         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1426         __divxc3): Document.
1427
1428 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1429
1430         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1431         previous behaviour.
1432         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1433         hook_bool_void_false.
1434         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1435         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1436
1437         * config/darwin.c (machopic_select_section): It's not defined
1438         as weak if it's only marked as weak_import.
1439         
1440         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1441         Prototype.
1442
1443         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1444         A hidden weak object does bind locally.  Strong linkonce data
1445         counts like any other strong symbol for binding.
1446         (weak_finish_1): Don't specially handle weakrefs, they no longer
1447         arrive here.
1448         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1449         * c-common.c (handle_alias_attribute): Allow static aliases
1450         of variables.
1451         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1452         * gthr-dce.h: Make weakrefs static.
1453         * gthr-tpf.h: Likewise.
1454         * gthr-solaris.h: Likewise.
1455         * gthr-posix.h: Likewise.
1456         * gthr-posix95.h: Likewise.
1457         * config/darwin.c (darwin_encode_section_info): static weakref
1458         variables are not necessarily defined in this translation unit.
1459         * doc/extend.texi (Function Attributes): Mention that an alias
1460         attribute creates a definition for the thing it's attached to.
1461         Change the documentation for weakref to say that the thing
1462         it's attached to must be static.
1463
1464         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1465         we don't go into an infinite loop.
1466
1467 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1468
1469         * config/rs6000/predicates.md (logical_const_operand): Split
1470         out of logical_operand.
1471         (logical_operand): Use it.
1472         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1473         logical_const_operand.
1474
1475 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1476
1477         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1478         and IX86_BUILTIN_CMPNESS.
1479         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1480         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1481         * config/i386/i386.md (movti_internal): Correct type attribute.
1482         Simplify mode attribute.
1483         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1484         Correct type attribute.
1485         (absxf2): Correct operator.
1486         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1487         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1488         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1489         mode attribute.
1490         (sse2_vmsqrtv2df2): Correct mode attribute.
1491
1492 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1493
1494         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1495         16 bits. Provide insn pattern for this case.
1496
1497 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1498
1499         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1500         result.
1501         (__popcountDI2): Likewise.
1502
1503 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1504
1505         PR target/25166
1506         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1507         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1508         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1509         functions.
1510
1511 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1512
1513         * c-typeck.c (null_pointer_constant_p): New function.
1514         (build_conditional_expr, build_c_cast, convert_for_assignment,
1515         build_binary_op): Use it.
1516
1517 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1518
1519         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1520         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1521         CONVERT_EXPR.
1522         (check_function_arguments_recurse): Allow both NOP_EXPR and
1523         CONVERT_EXPR but check conversions preserve precision.
1524         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1525         but check conversions preserve precision.
1526         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1527         default case.
1528
1529 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1530
1531         PR c/7776
1532         * common.opt (Wstring-literal-comparison): New command line option.
1533         * c-opts.c (c_common_handle_option): Set it with -Wall.
1534         * c-typeck.c (parser_build_binary_op): Issue warning if either
1535         operand of a comparison operator is a string literal, except for
1536         testing equality or inequality against NULL.
1537
1538         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1539
1540 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1541
1542         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1543         of building a NOP_EXPR.
1544         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1545         NOP_EXPR.
1546         * c-convert.c (convert): Use fold_convert instead of building
1547         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1548         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1549         #if 0 code.
1550         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1551         NOP_EXPR the same as CONVERT_EXPR.
1552         * c-typeck.c (build_function_call): Use fold_convert instead of
1553         building a NOP_EXPR directly.
1554         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1555
1556 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1557
1558         PR rtl-optimization/25197
1559         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1560         have a reg.
1561
1562 2005-12-02  Stuart Hastings  <stuart@apple.com>
1563
1564         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1565         warning.
1566
1567 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1568
1569         * c-typeck.c (default_function_array_conversion,
1570         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1571         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1572         orig_op2.  Don't check them for NOP_EXPR.
1573         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1574         around integer zero.
1575
1576 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1577
1578         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1579         toc_save_offset, toc_size, lr_size.
1580         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1581         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1582         Adjust for removal of unused rs6000_stack_t fields.
1583         (debug_stack_info): Adjust.
1584         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1585         first, and don't bother checking for set/inc of lr on sibcalls.
1586         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1587
1588 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1589
1590         PR target/25199
1591         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1592         5 if operand 1 is not aligned.  Undo previous constraint change.
1593         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1594
1595 2005-12-02  Richard Guenther  <rguenther@suse.de>
1596
1597         * tree.h (build): Remove prototype.
1598         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1599         * tree.c (build): Remove.
1600         (build0_stat): Update comment.
1601
1602 2005-12-02  Richard Guenther  <rguenther@suse.de>
1603
1604         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1605         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1606         Likewise.
1607         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1608         maybe_fold_offset_to_component_ref): Likewise.
1609         * tree-ssa-dom.c (thread_across_edge,
1610         simplify_rhs_and_lookup_avail_expr,
1611         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1612         Likewise.
1613         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1614         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1615         lower_try_finally_switch): Likewise.
1616         * tree-if-conv.c (add_to_dst_predicate_list,
1617         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1618         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1619         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1620         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1621         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1622         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1623         gimplify_init_ctor_eval, gimplify_init_constructor,
1624         gimplify_variable_sized_compare, gimplify_boolean_expr,
1625         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1626         gimplify_expr, gimplify_body, gimplify_function_tree,
1627         force_gimple_operand): Likewise.
1628         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1629         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1630         mx_register_decls): Likewise.
1631         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1632         get_frame_field, finalize_nesting_tree_1): Likewise.
1633         * tree-inline.c (setup_one_parameter): Likewise.
1634         * tree-vect-transform.c (vectorizable_condition): Likewise.
1635         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1636         Likewise.
1637         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1638         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1639         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1640         * tree-chrec.h (build_polynomial_chrec): Likewise.
1641
1642 2005-12-02  Richard Guenther  <rguenther@suse.de>
1643
1644         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1645         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1646         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1647         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1648         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1649         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1650         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1651         Likewise.
1652         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1653         sh_adjust_unroll_max): Likewise.
1654         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1655         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1656         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1657         Likewise.
1658         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1659         Likewise.
1660         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1661         Likewise.
1662
1663 2005-12-02  Richard Guenther  <rguenther@suse.de>
1664
1665         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1666         simplify_cond_using_ranges): Use buildN instead of build.
1667         * tree-tailcall.c (adjust_accumulator_values,
1668         adjust_return_value): Likewise.
1669         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1670         generate_element_copy, generate_element_zero,
1671         generate_one_element_init): Likewise.
1672         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1673         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1674         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1675         perfect_nestify): Likewise.
1676
1677 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1678
1679         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1680
1681 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1682
1683         * ggc.h (GGC_RESIZEVEC): New.
1684
1685 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1686
1687         * gcc.c (execute): Improve readability.
1688
1689 2005-12-02  Richard Guenther  <rguenther@suse.de>
1690
1691         * tree-cfg.c (mark_used_vars): New function.
1692         (dump_function_to_file): Dump only used VAR_DECLs.
1693
1694 2005-12-02  Richard Guenther  <rguenther@suse.de>
1695
1696         * convert.c (convert_to_integer): Fix compare for nonpositive
1697         constant to use tree_int_cst_sgn <= 0.
1698
1699 2005-12-02  Richard Guenther  <rguenther@suse.de>
1700
1701         * convert.c (convert_to_integer): Use fold_convert instead
1702         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1703         instead of comparing against 0.  Use build_int_cst instead
1704         of converting integer_zero_node.
1705
1706 2005-12-02  Richard Guenther  <rguenther@suse.de>
1707
1708         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1709         and RROTATE_EXPR.
1710  
1711 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1712
1713         PR target/21017
1714         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1715         rotates.
1716
1717 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1718
1719         PR middle-end/25176
1720         * function.c (expand_function_end): Emit blockage for unwinder
1721         after return label.
1722
1723 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1724
1725         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1726         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1727         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1728         integer constant comparisons.
1729
1730 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1731             Janis Johnson  <janis187@us.ibm.com>
1732             David Edelsohn  <dje@watson.ibm.com>
1733             Ben Elliston  <bje@au.ibm.com>
1734
1735         * dfp.h, dfp.c: New files.
1736         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1737         (DECNUM_H): Likewise.
1738         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1739         (INCLUDES): Append $(DECNUMINC).
1740         (OBJS-common): Add dfp.o.
1741         (dfp.o): New rule.
1742         * real.h (EXP_BITS): Pinch one bit to ..
1743         (struct real_value): Add decimal field.
1744         (real_format): Change table size, update documentation.
1745         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1746         (real_from_string3): Declare.
1747         (decimal_single_format): Declare.
1748         (decimal_double_format): Declare.
1749         (decimal_quad_format): Declare.
1750         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1751         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1752         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1753         * real.c: Include dfp.h.
1754         (normalize): Early return for decimal floats.
1755         (do_add): Zero decimal field.
1756         (do_compare): Call do_decimal_compare for decimal floats.
1757         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1758         (real_arithmetic): Call decimal_real_arithmetic for decimal
1759         floating point operands.
1760         (real_identical): If a and b are of differing radix, return false.
1761         (real_to_integer): Call decimal_real_to_integer if the value is a
1762         decimal float.
1763         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1764         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1765         (real_to_hexadecimal): Place "N/A" in the return string for
1766         decimal float.
1767         (real_from_string3): New variant, given a mode.
1768         (real_maxval): Use decimal_real_maxval for decimal floats.
1769         (round_for_format): Use decimal_round_for_format for decimals.
1770         (real_convert): Use decimal_real_convert where appropriate.
1771         (significand_size): Handle base 10.
1772         (encode_decimal_single, decode_decimal_single,
1773         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1774         decode_decimal_quad): New functions.
1775         (decimal_single_format): New.
1776         (decimal_double_format): New.
1777         (decimal_quad_format): New.
1778         * machmode.def: Add SD, DD and TD decimal floating point modes.
1779         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1780         Include MODE_DECIMAL_FLOAT.
1781         (DECIMAL_FLOAT_MODE_P): New.
1782         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1783         * genmodes.c (struct mode_data): Add counter field.
1784         (struct mode_data): Update comment for format.
1785         (blank_mode): Initialise counter field.
1786         (new_mode): Increment counter field for each mode defined.
1787         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1788         using a format.
1789         (make_complex_modes): Handle modes containing `D'.
1790         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1791         (make_decimal_float_mode): New.
1792         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1793         (cmp_modes): Compare counter field if other characteristics
1794         similar.
1795         (emit_real_format_for_mode): Support formats for decimal floats.
1796         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1797         Document MODE_DECIMAL_FLOAT.
1798
1799 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1800
1801         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1802         Delete dead code.
1803
1804 2005-12-01  Richard Henderson  <rth@redhat.com>
1805
1806         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1807
1808 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1809
1810         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1811
1812         * config/pa/pa.c (pa_init_builtins): If we detect
1813         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1814         putc_unlocked.
1815
1816 2005-12-01  Richard Guenther  <rguenther@suse.de>
1817
1818         * fold-const.c (fold_binary): Use fold_build2, not
1819         fold (build (...)).
1820
1821 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1822
1823         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1824
1825         * vec.h (VEC_block_remove): New.
1826
1827 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1828
1829         PR c/13384
1830         * c-common.c (lvalue_error): Fix wording.
1831
1832 2005-12-01  Richard Guenther  <rguenther@suse.de>
1833
1834         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1835         thinko in last patch.
1836
1837 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1838
1839         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1840         than -flat_namespace.
1841
1842 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1843
1844         * mklibgcc.in: Parameterise the script to build soft float
1845         functions by iterating over each type, rather than cloning the
1846         code for each type.
1847
1848 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1849
1850         PR middle-end/25158
1851         * builtins.c (fold_builtin_fputs): Defer check for missing
1852         replacement functions.
1853
1854 2005-11-30  Kean Johnston  <jkj@sco.com>
1855
1856         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1857         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1858
1859 2005-11-30  Richard Guenther  <rguenther@suse.de>
1860
1861         PR tree-optimization/22501
1862         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1863         function split out from ...
1864         (forward_propagate_addr_expr): ... here.  Use it to propagate
1865         ADDR_EXPRs to all uses.
1866
1867 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1868
1869         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1870         * builtins.c (expand_builtin_mathfn): Use them.
1871         (expand_builtin_mathfn_2): Likewise.
1872         (expand_builtin_mathfn_3): Likewise.
1873         (expand_builtin_int_roundingfn): Likewise.
1874         (expand_builtin): Likewise.
1875         (integer_valued_real_p): Likewise.
1876         (fold_builtin_int_roundingfn): Likewise.
1877         (fold_builtin_bitop): Likewise.
1878         (fold_builtin_logarithm): Likewise.
1879         (fold_builtin_1): Likewise.
1880         * convert.c (convert_to_integer): Likewise.
1881         * fold-const.c (negate_mathfn_p): Likewise.
1882         (tree_expr_nonnegative_p): Likewise.
1883
1884 2005-11-30  Dale Johannesen  <dalej@apple.com>
1885             Andrew Pinski  <pinskia@physics.uc.edu>
1886
1887         * combine.c (find_split_point):  Sign extend bitmask
1888         when changing bitfield assignment to IOR of AND.
1889
1890 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1891
1892         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1893         clobber to scratch reg.
1894         (*decrement_and_branch_until_zero_no_clobber): Remove.
1895         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1896         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1897         * config/ms1/ms1.opt (mmul): Remove.
1898         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1899         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1900
1901 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1902             Bernd Schmidt  <bernd.schmidt@analog.com>
1903
1904         * pa/predicates.md (symbolic_operand): Add comment.
1905         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1906         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1907         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1908         (pa_secondary_reload_class): Delete.
1909         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1910         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1911         copy of symbolic operand.
1912         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1913
1914 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1915
1916         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1917         jump.
1918
1919 2005-11-30  Jeff Law  <law@redhat.com>
1920
1921         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1922         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1923
1924 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1925
1926         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1927         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1928         (ia64_expand_move): Adjust caller.
1929
1930         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1931         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1932         negate VAL.
1933
1934 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1935
1936         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1937         Always produce an output if we can remove NEGs or canonicalize
1938         (minus (minus ...)) expressions.  Provide a fast path for the
1939         two-operand case.
1940         (simplify_gen_binary): Do not call simplify_plus_minus.
1941         (simplify_binary_operation_1): Reassociate at the end of the
1942         function.
1943
1944 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1945
1946         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1947         moves and unpack to speed up.
1948
1949 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1950
1951         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1952         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1953         (gen_v9_scc): Update callers.
1954         * config/sparc/sparc.md: Likewise.
1955         * config/sparc/sparc-protos.h: Update extern declaration.
1956
1957         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1958
1959 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1960
1961         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1962         the if.
1963
1964 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1965
1966         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1967         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1968         (negate_expr): Here.
1969
1970 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1971
1972         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1973         Fix typo in comment.
1974
1975 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1976
1977         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1978         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1979
1980 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1981
1982         PR middle-end/20109
1983         PR middle-end/25120
1984         * builtins.c (init_target_chars): New.
1985         (expand_builtin_printf, expand_builtin_fprintf,
1986         expand_builtin_sprintf, fold_builtin_sprintf,
1987         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1988         fold_builtin_snprintf_chk, fold_builtin_printf,
1989         fold_builtin_fprintf): Check for matching format strings using
1990         the target charset.
1991
1992 2005-11-29  Paul Brook  <paul@codesourcery.com>
1993
1994         * config.gcc: Do not use fixproto on m68k-elf.
1995
1996 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1997
1998         * expmed.c (div_cost): Replace with...
1999         (sdiv_cost, udiv_cost): New.
2000         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2001         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2002         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2003         (expand_divmod): Replace use of div_cost with either sdiv_cost
2004         or udiv_cost depending upon the signedness of the operation.
2005
2006 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2007
2008         PR libfortran/24991
2009         * config/darwin.c (machopic_indirection_name,
2010         machopic_output_indirection): Follow transparent alias chain.
2011
2012 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2013
2014         * varasm.c (ultimate_transparent_alias_target): Add comment.
2015
2016 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2017
2018         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2019         SET_SRC instead of XEXP where appropriate.
2020
2021 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2022
2023         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2024         __builtin_expect.
2025
2026 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2027
2028         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2029         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2030         bit at a time.
2031
2032 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2033
2034         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2035         secondary_input_reload_class, made static.  Adapt to new
2036         infrastructure.
2037         (secondary_output_reload_class): Delete.
2038         (TARGET_SECONDARY_RELOAD): New macro.
2039         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2040         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2041
2042 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2043
2044         PR c++/21166
2045         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2046         when its natural alignment is > BITS_PER_UNIT.
2047         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2048         * c-common.c (handle_packed_attribute): Ignore packing on a field
2049         whose type is naturally char aligned.
2050
2051 2005-11-28  Richard Guenther  <rguenther@suse.de>
2052
2053         * c-common.c (strict_aliasing_warning): Handle all
2054         component-ref like accesses.
2055
2056 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2057             Uros Bizjak  <uros@kss-loka.si>
2058
2059         PR middle-end/20219
2060         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2061         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2062         when flag_unsafe_math_optimizations is set and
2063         we don't care about NaNs or Infinities.
2064
2065         Move x/expN(y) and x/pow(y,z) transformation into common
2066         flag_unsafe_math_optimizations section.
2067
2068 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2069
2070         * gcc.c (main): Change type of argv to "char **".
2071
2072 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2073
2074         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2075         small data sections.
2076         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2077         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2078         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2079         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2080         output locals to sbss if !rs6000_elf_in_small_data_p.
2081         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2082
2083 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2084
2085         PR target/24997
2086         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2087         generated by reload.
2088         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2089         indexed_or_indirect_address.
2090         (indexed_or_indirect_address): Don't test for base reg.  Call
2091         address_operand last.  Make it a special predicate.
2092
2093 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2094
2095         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2096
2097 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2098
2099         PR middle-end/24575
2100         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2101         is undefined.
2102         (negate_expr): Likewise.
2103
2104 2005-11-27  Andreas Schwab  <schwab@suse.de>
2105
2106         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2107         redundant parens.
2108
2109 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2110
2111         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2112         has EH predecessor edges.
2113
2114 2005-11-26  Eric Christopher  <echristo@apple.com>
2115
2116         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2117         register stalls by zero extending to the full register.
2118
2119 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2120
2121         * config/floatunsisf.c, config/floatunsidf.c,
2122         config/floatunsixf.c, config/floatunsitf.c: New files.
2123         * config/ia64/t-hpux: Add floatunsitf.c.
2124         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2125         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2126
2127 2005-11-26  Richard Henderson  <rth@redhat.com>
2128
2129         * c-lex.c (pragma_lex): Rename from c_lex.
2130         * c-pch.c: Update for pragma_lex rename.
2131         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2132         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2133         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2134         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2135         * doc/tm.texi: Likewise.
2136
2137 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2138
2139         PR middle-end/23669
2140         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2141         when overflow is undefined.
2142
2143 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2144
2145         * doc/md.texi (Insn Canonicalizations): Refer to the
2146         function commutative_operand_precedence for further rules.
2147
2148 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2149
2150         PR middle-end/21309
2151         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2152         is less than zero.  Limit mult_cost to a reasonable upper bound for
2153         the synthetic multiplication sequence.
2154
2155 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2156
2157         PR middle-end/25022
2158         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2159         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2160         Lookup the explicit replacement functions for any unlocked
2161         stdio builtin transformations.
2162
2163 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2164
2165         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2166         earlyclobber.
2167         * targhooks.c (default_secondary_reload): Don't require operand 2
2168         for an input reload to be earlyclobber.
2169
2170 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2171
2172         * fold-const.c (negate_mathfn_p): Fix comment and add support
2173         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2174         BUILT_IN_ATANH.
2175
2176 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2177
2178         PR middle-end/24998
2179         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2180         _Q_ulltoq for unsigned conversions from SImode and DImode to
2181         TFmode.
2182
2183 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2184
2185         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2186         (__floatundidf, __floatundisf): Likewise.
2187
2188 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2189
2190         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2191         (rs6000_override_options): Remove initialization of
2192         rs6000_sr_alias_set.
2193         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2194         (rs6000_emit_stack_tie): Same.
2195         (emit_frame_save): Same.
2196         (gen_frame_mem_offset): Same.
2197         (rs6000_emit_prologue): Same.
2198         (rs6000_emit_epilogue): Same.
2199
2200 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2201
2202         PR middle-end/24989
2203         * fold-const.c (fold_build): Convert bool_var != 1 and
2204         bool_var == 0 to !bool_var.
2205
2206 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2207
2208         PR middle-end/24990
2209         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2210         for C being INTEGER_CST.  Likewise for !=.
2211
2212 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2213
2214         PR middle-end/24998
2215         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2216         unsigned conversions from SImode to TFmode.
2217
2218 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2219
2220         * expr.c (expand_expr_real_1): Fix error in last change.
2221
2222 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2223
2224         * caller-save.c: (this_insn_sets): Move into:
2225         (save_call_clobbered_regs).
2226         (mark_set_regs): Get this_insn_sets from data.
2227
2228         (save_call_clobbered_regs): Take sets of the return value by
2229         sibcalls into account.
2230
2231 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2232         PR target/21623:
2233
2234         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2235         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2236         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2237         (memory_move_secondary_cost, init_reg_autoinc): Remove
2238         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2239         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2240         secondary_reload_class call.
2241         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2242         callers.
2243         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2244         (push_secondary_reload): Use secondary_reload target hook.
2245         (secondary_reload_class, scratch_reload_class): New functions.
2246         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2247         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2248         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2249         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2250         (secondary_reload_class, scratch_reload_class): Declare.
2251         * reload1.c: Include target.h.
2252         (reload_adjust_reg_for_temp): New function.
2253         (reload_adjust_reg_for_icode): Likewise.
2254         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2255         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2256         call.
2257         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2258         for inheritance.  Support case when both secondary & tertiary reloads
2259         are for intermediate registers.
2260         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2261         with secondary_reload_class call.  Support case when both secondary
2262         & tertiary reloads are for intermediate registers.
2263         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2264         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2265         * target.h (secondary_reload_info): New struct / typedef.
2266         (struct gcc_target): New member secondary_reload.
2267         * targhooks.c Include reload.h, optabs.h and recog.h.
2268         (default_secondary_reload): New function.
2269         * targhooks.h (default_secondary_reload): Declare.
2270         * doc/tm.texi: Document secondary_reload target hook.  Update
2271         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2272         * doc/md.texi: Likewise.
2273
2274         * sh-protos.h (sh_secondary_reload): Declare.
2275         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2276         (sh_secondary_reload): New function.
2277         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2278         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2279         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2280         (HAVE_SECONDARY_RELOADS): Define.
2281         * sh.md (reload_indf): Rename to:
2282         (reload_indf__frn).
2283         (reload_outdf): Rename to:
2284         (reload_outdf__RnFRm).
2285         (reload_insf): Rename to:
2286         (reload_insf__frn).
2287         (reload_insi): Rename to:
2288         (reload_insi__i_fpul).
2289
2290 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2291
2292         * configure.ac: Require at least texinfo 4.4.
2293         * configure: Regenerate.
2294
2295         * doc/install.texi (Tools/packages necessary for building GCC):
2296         Update required version of texinfo to at least 4.4.
2297         (Installing GCC: Building): Update required version of texinfo
2298         to at least 4.4.
2299         (Installing GCC: Final installation): Update required version
2300         of texi2dvi to at least 4.4.
2301         (Host/target specific installation notes for GCC): Update required
2302         version of texinfo to at least 4.4.
2303
2304 2005-11-24  Richard Guenther  <rguenther@suse.de>
2305         Dirk Mueller <dmueller@suse.de>
2306
2307         PR c++/14024
2308         * c-common.h (strict_aliasing_warning): Declare.
2309         * c-common.c (strict_aliasing_warning): New function,
2310         split out from ...
2311         * c-typeck.c (build_c_cast): ... here.
2312
2313 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2314
2315         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2316         to order operands.
2317         (swap_commutative_operands_with_target): New.
2318
2319 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2320
2321         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2322         also when doing PRE, rather than only for global CPROP.
2323
2324 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2325
2326         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2327         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2328         formatting.
2329         (expand_twoval_unop): Likewise.
2330         (widen_clz): Likewise.
2331         (expand_parity): Likewise.
2332         (expand_unop): Likewise.
2333         (emit_cmp_and_jmp_insn_1): Likewise.
2334         (prepare_float_lib_cmp): Likewise.
2335
2336 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2337
2338         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2339         Remove unused `class' variable.
2340
2341 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2342
2343         PR c++/21667
2344         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2345         C/C++ diagnostic function warn_array_subscript_with_type_char.
2346         * c-common.h (warn_array_subscript_with_type_char): Declare.
2347         * c-common.c (warn_array_subscript_with_type_char): Define.
2348
2349 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2350
2351         PR c/21668
2352         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2353         compiling at the intersection of C and C++.
2354
2355 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2356
2357         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2358         List @file in the option summary.  Include the libiberty
2359         documentation for @file.
2360         * gcc.c (main): Call expandargv.
2361         * Makefile.in (gcc-vers.texi): Define srcdir.
2362
2363 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2364
2365         * passes.c (init_optimization_passes): Document
2366         sequencing of passes.
2367
2368 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2369
2370         * config/m68k/predicates.md (pcrel_address, extend_operator,
2371         post_inc_operand, pre_dec_operand): Remove redundant
2372         conditionals.
2373         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2374         instead of abort.
2375         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2376
2377 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2378
2379         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2380
2381 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2382
2383         Preparatory work for PR target/21623:
2384         * alpha.c (secondary_reload_class): Rename to:
2385         (alpha_secondary_reload_class).
2386         * alpha.h, alpha-protos.h: Likewise.
2387         * mn10300.c (secondary_reload_class): Rename to:
2388         (mn10300_secondary_reload_class).
2389         * mn10300.h, mn10300-protos.h: Likewise.
2390         * pa.c (secondary_reload_class): Rename to:
2391         (pa_secondary_reload_class).
2392         * pa.h, pa-protos.h: Likewise.
2393         * rs6000.c (secondary_reload_class): Rename to:
2394         rs6000_secondary_reload_class.
2395         * rs6000.h, rs6000-protos.h: Likewise.
2396
2397 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2398
2399         PR middle-end/22561
2400         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2401
2402 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2403
2404         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2405         a mode_class.
2406         (prepare_cmp_insn): Likewise.
2407
2408 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2409
2410         PR target/23435
2411         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2412         if both operands[0] and operands[1] are memory.
2413
2414 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2415
2416         PR middle-end/23606
2417         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2418         COMPARISON_CLASS_P and an integral types create create a new
2419         expression with the new type and fold that.
2420
2421 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2422
2423         PR target/24988
2424         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2425         to SUBTARGET_OS_CPP_BUILTINS.
2426
2427 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2428
2429         * arm.c (emit_set_insn): New function.
2430         (arm_split_constant): Call it.
2431         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2432         (arm_legitimize_address): Likewise.  Use plus_constant.
2433         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2434         (thumb_expand_prologue): Likewise.
2435         (arm_gen_load_multiple): Use VOIDmode in SET.
2436         (arm_gen_store_multiple): Likewise.
2437         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2438         (emit_multi_reg_push): Likewise.
2439         (emit_sfm): Use plus_constant.
2440
2441 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2442
2443         PR target/24954
2444         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2445         typo last change.
2446
2447 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2448
2449         PR middle-end/24950
2450         * expmed.c (store_bit_field): Don't attempt to insv a field
2451         larger than the reg.
2452
2453 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2454
2455         PR target/24954
2456         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2457         explicit sign extension, not a (char) cast.
2458
2459 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2460
2461         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2462         GET_MODE_CLASS (x) == MODE_FLOAT.
2463         * config/i386/i386.c: Likewise.
2464         * config/rs6000/xcoff.h: Likewise.
2465         * config/rs6000/linux64.h: Likewise.
2466         * config/rs6000/rs6000.c: Likewise.
2467         * config/rs6000/rs6000.h: Likewise.
2468         * config/rs6000/predicates.md: Likewise.
2469         * config/rs6000/sysv4.h: Likewise.
2470
2471 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2472
2473         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2474         flag_pic is set.
2475
2476         * config/alpha/freebsd.h, config/alpha/linux.h,
2477         config/arm/linux-elf.h, config/bfin/bfin.h,
2478         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2479         config/i386/beos-elf.h, config/i386/gnu.h,
2480         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2481         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2482         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2483         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2484         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2485         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2486         config/sparc/linux.h, config/sparc/linux64.h,
2487         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2488
2489         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2490         are both defined when either flag -fpic or -fPIC are used.
2491
2492 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2493
2494         * config/fp-bit.c (clzusi): New function.
2495         (si_to_float, usi_to_float): Use it to compute proper shift.
2496         (usi_to_float): Preserve guard bits when shifting right.
2497         * libgcc-std.ver (GCC_4.2.0): New version.
2498         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2499         __floatundisf): New functions.
2500         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2501         __floatundisf): Declare.
2502         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2503         _floatundixf, and _floatunditf.
2504         * optabs.c (expand_float): If target does not define a pattern for
2505         signed or unsigned conversion, use an unsigned libcall instead of
2506         a signed one.
2507         (init_optabs): Initialize ufloat_optab.
2508
2509 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2510
2511         * config/rs6000/rs6000.opt (mmulhw): New option.
2512         * doc/invoke.texi (-mmulhw): Document.
2513         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2514         for 405 and 440.
2515         * config/rs6000/rs6000.md: Add half-word multiply and
2516         multiply-accumulate instructions for 405 and 440.
2517
2518 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2519
2520         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2521         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2522         default now includes a linker group which makes the RTEMS one nest.
2523
2524 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2525
2526         * cse.c (fold_rtx): Typo fix.
2527         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2528
2529 2005-11-21  Richard Henderson  <rth@redhat.com>
2530
2531         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2532         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2533
2534         * c-tree.h (lookup_name): Move declaration ...
2535         * c-common.h (lookup_name): ... here.
2536         * config/darwin-c.c: Include c-common.h.
2537         * config/t-darwin: Update dependencies.
2538
2539 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2540
2541         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2542         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2543         * genopinit.c (gen_insn): Likewise.
2544         * reload.c (find_equiv_reg): Likewise.
2545         * loop.c (load_mems): Likewise.
2546         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2547         * cse.c (find_comparison_args, fold_rtx): Likewise.
2548         * dwarf2out.c (add_const_value_attribute): Likewise.
2549         * expr.c (convert_move): Likewise.
2550         * recog.c (general_operand, register_operand): Likewise.
2551         * reg-stack.c (replace_reg): Likewise.
2552         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2553         * c-common.c (handle_vector_size_attribute): Likewise.
2554         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2555         (simplify_binary_operation_1): Likewise.
2556         (simplify_const_binary_operation): Likewise.
2557         (simplify_relational_operation): Likewise.
2558         (simplify_const_relational_operation): Likewise.
2559         (simplify_immed_subreg): Likewise.
2560         * emit-rtl.c (gen_lowpart_common): Likewise.
2561         * expmed.c (expand_mult): Likewise.
2562         * stor-layout.c (layout_type): Likewise.
2563
2564 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2565
2566         PR target/24951
2567         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2568         cst2 only for SPE vectors.
2569
2570 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2571
2572         PR target/24953
2573         * config/rs6000/predicates.md (vrsave_operation): Check
2574         UNSPEC_VOLATILE value.
2575
2576 2005-11-21  Jan Hubicka  <jh@suse.cz>
2577
2578         PR tree-optimization/24653
2579         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2580
2581 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2582
2583         * config/i386/predicates.md (ax_reg_operand): New predicate.
2584         (memory_displacement_only_operand): New predicate.
2585         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2586         operand is AX register and the other operand is memory operand
2587         with displacement only.
2588
2589 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2590
2591         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2592         if we don't care about NaNs or Infinities.
2593
2594 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2595
2596         PR rtl-optimization/24883
2597         * combine.c (combinable_i3pat): When checking whether the
2598         destination of i3 is used in i3, consider paradoxical subregs.
2599
2600 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2601
2602         PR middle-end/20583
2603         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2604
2605 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2606
2607         * combine.c (try_combine): Do not run subst on i1src and i2src in
2608         the case of generating a PARALLEL for a comparison.
2609
2610 2005-11-20  Richard Henderson  <rth@redhat.com>
2611
2612         PR 24931
2613         * tree-sra.c (struct sra_elt): Add all_no_warning.
2614         (struct sra_walk_fns) <use>: Add use_all argument.
2615         (sra_walk_expr): Pass it.
2616         (sra_walk_modify_expr): Likewise.
2617         (scalarize_ldst): Likewise.
2618         (scan_use): Update for new argument.
2619         (mark_no_warning): New.
2620         (scalarize_use): Use it.
2621
2622 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2623
2624         * expr.c (expand_expr_real): Use usmul_optab for widening
2625         signed * unsigned multiplies.
2626         * genopinit.c (optabs): Add usmul_widen_optab.
2627         * optabs.c (init_optabs): Likewise.
2628         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2629         (usmul_widen_optab): Define.
2630         * config/bfin/bfin.md (usmulhisi3): New pattern.
2631
2632         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2633
2634 2005-11-20  Graham Stott <btinternet.com>
2635
2636         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2637
2638 2005-11-20  Andreas Schwab  <schwab@suse.de>
2639
2640         PR target/24757
2641         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2642         insn.
2643
2644 2005-11-19  Richard Henderson  <rth@redhat.com>
2645
2646         PR tree-opt/24665
2647         * tree-gimple.c (is_gimple_id): Export.
2648         * tree-gimple.h (is_gimple_id): Declare.
2649         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2650         (get_default_value): Use it.
2651         (maybe_fold_stmt_indirect): Likewise.
2652
2653 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2654
2655         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2656         than VR1 or vice-versa.
2657
2658 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2659
2660         PR middle-end/24912
2661         PR middle-end/24750
2662         * reload.c (find_reloads_address_1): Mention dependency on
2663         gen_reload.
2664         * reload1.c (gen_reload): For IN with an unary operation, try
2665         moving inner expression to OUT if trivial SET is not valid.
2666         Confirm that the result is valid.  Move common code block into...
2667         (emit_insn_if_valid_for_reload): New function.
2668
2669 2005-11-19  Richard Guenther  <rguenther@suse.de>
2670
2671         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2672         ARRAY_REFs of constant strings.
2673
2674 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2675
2676         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2677         fatal format string.
2678
2679 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2680
2681         * combine.c (make_compound_operation): Swap operands of
2682         commutative operation if necessary before returning.
2683
2684 2005-11-19  Richard Guenther  <rguenther@suse.de>
2685
2686         PR middle-end/23294
2687         * fold-const.c (fold_plusminus_mult_expr): New function.
2688         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2689         cases, remove now unnecessary code.
2690
2691 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2692
2693         * gensupport.c (old_preds): Rename to std_preds, add special field.
2694         (struct old_pred_table): Rename to struct std_pred_table, add special
2695         field.
2696         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2697         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2698         (init_predicate_table): Adjust, and set along the way whether a
2699         predicate is special.
2700
2701 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2702
2703         * BASE-VER: Change to 4.2.0.
2704
2705 2005-11-18  James E Wilson  <wilson@specifix.com>
2706
2707         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2708         returning it.
2709
2710 2005-11-18  Mike Stump  <mrs@apple.com>
2711
2712         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2713         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2714         * c-decl.c (lookup_name_two) Remove.
2715         * c-tree.h (lookup_name_two): Remove.
2716         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2717         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2718         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2719         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2720
2721 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2722
2723         PR target/24914
2724         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2725         when not generating code to use that co-processor.
2726
2727 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2728
2729         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2730         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2731         these functions are now in tree-phinodes.c.
2732
2733 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2734
2735         * config/bfin/bfin.md (trap): New pattern.
2736
2737 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2738
2739         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2740         on types.
2741
2742         * expr.c (expand_expr_real): Don't call record_block_change unless
2743         ib_boundaries_block is non-null
2744
2745         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2746
2747         * fold-const.c (build_range_check): Use proper type for subtraction
2748         when merging lower bound.
2749
2750 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2751
2752         PR rtl-optimization/24497
2753         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2754         the copied insn.
2755
2756 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2757
2758         * tree-scalar-evolution.c (expression_expensive_p): New function.
2759         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2760
2761 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2762
2763         * config/bfin/crtlibid.s: New file.
2764
2765 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2766
2767         PR target/24348
2768         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2769         when not using sjlj exceptions.
2770         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2771         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2772         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2773         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2774         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2775         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2776         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2777         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2778         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2779         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2780         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2781         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2782         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2783         defines.
2784         * config/pa/hpux-unwind.h: New file.
2785
2786 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2787
2788         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2789         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2790         * varasm.c (do_assemble_alias): Adjust call.
2791         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2792         is defined.
2793         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2794
2795 2005-11-17  James E Wilson  <wilson@specifix.com>
2796
2797         * tree.def (FUNCTION_DECL): Correct typo in comment.
2798
2799 2005-11-17  Richard Henderson  <rth@redhat.com>
2800
2801         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2802         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2803         and DW_CFA_def_cfa_sf.
2804         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2805         (dbx_reg_number): Don't assert particular registers here.
2806         (based_loc_descr): ... do it here instead.  Fold in ...
2807         (eliminate_reg_to_offset): ... this function.
2808         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2809         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2810         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2811         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2812         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2813         (instantiate_virtual_regs): Likewise.
2814         * var-tracking.c (adjust_stack_reference): Likewise.
2815         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2816
2817 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2818
2819         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2820         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2821         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2822         crtlibid.o.
2823         ($(T)crtlibid.o): New rule.
2824
2825 2005-11-16  Richard Guenther  <rguenther@suse.de>
2826
2827         PR middle-end/24851
2828         * fold-const.c (extract_array_ref): Return byte offset
2829         in all cases.
2830         (fold_binary): Fold &x[a] CMP &x[b] to
2831         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2832         behavior.
2833
2834 2005-11-16  Richard Henderson  <rth@redhat.com>
2835
2836         PR middle-end/23497
2837         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2838         parts of an SSA_NAME.
2839
2840 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2841
2842         PR target/24861
2843         * arm.md (split for movsf with immediate): Restrict split to insns
2844         that set a general register.
2845
2846 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2847
2848         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2849         uw_update_context.
2850         * unwind-dw2.c (uw_advance_context): Likewise.
2851         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2852         _Unwind_SjLj_Unregister.
2853         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2854
2855 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2856
2857         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2858
2859 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2860
2861         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2862         langhook to get a DImode integer type.
2863
2864 2005-11-16  Richard Henderson  <rth@redhat.com>
2865             J"orn Rennecke <joern.rennecke@st.com>
2866             Ulrich Weigand  <uweigand@de.ibm.com>
2867
2868         PR rtl-opt/24160
2869         PR target/24621
2870         * reload1.c (reg_equiv_invariant): New.
2871         (reload): Allocate, initialize, and free it.
2872         (calculate_needs_all_insns): Check it when skipping equivalence
2873         setting insns.
2874         (alter_reg): Likewise.
2875         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2876         may_use_invariant argument; only use reg_equiv_invariant when true.
2877         (eliminate_regs): New.
2878         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2879         a context for which may_use_invariant may be true.
2880
2881 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2882
2883         * fold-const.c (const_binop): Don't constant fold the operation
2884         if the result has overflowed and flag_trapping_math.
2885         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2886
2887 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2888
2889         * config/arm/unwind-arm.c (abort): Add prototype here.
2890         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2891         (struct phase1_vrs): Add prev_sp.
2892         (unwind_phase2_forced): Save the original core registers instead of
2893         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2894         and set action flags accordingly.  Always set _US_END_OF_STACK when
2895         get_eit_entry fails.  Unwind before calling the stop function.
2896         (_Unwind_GetCFA): New function.
2897         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2898         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2899         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2900         just call unwind_phase2_forced.
2901         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2902         * config/arm/unwind-arm.h (abort): Remove prototype.
2903         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2904         prototypes.
2905         (_Unwind_GetCFA): New prototype.
2906         * config/arm/pr-support.c (abort): Add prototype here.
2907         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2908         forced unwinding.
2909         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2910         not schedule the prologue with non-call exceptions and EABI.
2911
2912 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2913
2914         * config/arm/unwind-arm.h: Reorder interface function declarations.
2915         (_URC_END_OF_STACK): New enumeration value.
2916         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2917         (struct _Unwind_Control_Block): Document reserved field use.
2918         (_Unwind_Stop_Fn): New typedef.
2919         (_Unwind_ForcedUnwind): Declare.
2920         (_Unwind_Resume_or_Rethrow): Declare.
2921         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2922         argument.  Adjust.
2923         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2924         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2925         (UCB_FORCED_STOP_ARG): New.
2926         (search_EIT_table): Update boundary condition checks.
2927         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2928         (unwind_phase2): Replace for with do..while.
2929         (unwind_phase2_forced): New.
2930         (__gnu_Unwind_RaiseException): Replace for with do..while.
2931         (__gnu_Unwind_ForcedUnwind): New.
2932         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2933         Use appropriate phase2 unwinder.
2934         (__gnu_Unwind_Resume_or_Rethrow): New.
2935         (__gnu_unwind_pr_common): Cope with forced unwinding.
2936
2937 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2938
2939         PR target/24772
2940         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2941
2942         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2943         roundsf2): Remove "s" from mnemonic.
2944
2945 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2946
2947         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2948         __PIC__ is defined.
2949         * config/bfin/crtn.s: Change epilogues to match.
2950         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2951         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2952         __PIC__ and __pic__.
2953
2954 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2955
2956         PR 24357
2957         * doc/invoke.texi: Distinguish between free and fixed form instead of
2958         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2959         languages.
2960         * gcc.c (default_compilers): Remove double entries, add entries for
2961         suffixes '.F90' and '.F95'.
2962
2963 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2964
2965         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2966         in the stack probing loop.
2967
2968 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2969
2970         * configure.ac: Use .machine power5 not power5x.
2971         * configure: Regenerate.
2972
2973 2005-11-15  Mike Stump  <mrs@apple.com>
2974
2975         * c-decl.c (lookup_name_two): Add.
2976         * c-tree.h (lookup_name_two): Likewise.
2977         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2978         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2979
2980 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2981
2982         PR rtl-optimization/23392
2983         * regrename.c (enum scan_actions) Add mark_access.
2984         (scan_actions_name): Ditto.
2985         (scan_rtx_reg): Handle mark_access.
2986         (scan_rtx_address): Do nothing for mark_access.
2987         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2988         and regs in REG_INC notes before closing chains for dead regs.
2989         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2990         opening chains for new writes.
2991
2992 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2993
2994         * c.opt (ffixed-line-length-none): New.
2995
2996 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2997
2998         * mklibgcc.in: Change contents of eh_dummy.c.
2999
3000 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3001
3002         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3003
3004 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3005
3006         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3007         of making syscalls.
3008         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3009
3010 2005-11-15  Jan Hubicka  <jh@suse.cz>
3011
3012         * invoke.texi (large-unit-insns): Document.
3013         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3014         * params.def (large-unit-insns): New param.
3015
3016 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3017
3018         PR target/24869
3019         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3020         special register for operand 3.  Reindent constraints to align
3021         them vertically.
3022
3023 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3024
3025         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3026         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3027         * configure.ac: Add test for FP rounding instructions.
3028         * configure: Regenerate.
3029         * config.in: Regenerate.
3030         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3031         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3032         features enabled.
3033         * config/rs6000/rs6000.opt (mfprnd): New.
3034         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3035         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3036         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3037         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3038         (TARGET_FPRND): New.
3039         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3040         UNSPEC_FRIZ): New.
3041         (btrunc<mode>2): New.
3042         (ceil<mode>2): New.
3043         (floor<mode>2): New.
3044         (round<mode>2): New.
3045
3046 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3047
3048         * gcc.c (version_compare_spec_function): Use fatal() rather than
3049         abort().
3050
3051         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3052         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3053         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3054         as empty.
3055         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3056         link in crt2.o.
3057
3058         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3059         on -mmacosx-version-min setting.
3060
3061 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3062
3063         PR 24840
3064         * tree-vrp.c (infer_value_range): Return false if STMT is a
3065         block terminator and its basic block has no successors.
3066
3067 2005-11-14  Mike Stump  <mrs@apple.com>
3068
3069         * config/i386/i386.c (override_options): -masm=intel isn't
3070         supported on darwin.
3071         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3072
3073 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3074
3075         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3076         vfork after including auto-host.h.
3077
3078 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3079
3080         PR rtl-optimization/22002
3081         * combine.c (distribute_notes): Detect cases where a reg dies
3082         two or more times in a bb, including on the insn we are combining,
3083         and place the death note on the correct range.
3084
3085 2005-11-14  Dale Johannesen  <dalej@apple.com>
3086
3087         * expmed.c (store_bit_field):  Add offset unconditionally for
3088         memory targets.
3089         (extract_bit_field):  Don't force extzv or extv operand into
3090         a register if field is too big.
3091
3092 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3093
3094         * config/arm/arm.c (pic_labelno): New.
3095         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3096         LABEL_REF.  Pass only the labelno to PIC insns.
3097         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3098         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3099         * arm.md (UNSPEC_PIC_LABEL): New constant.
3100         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3101         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3102         Use the correct label prefix.
3103
3104 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3105
3106         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3107         REQ_EQUIV note.
3108
3109 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3110
3111         * loop-invariant.c: Include tm_p.h.
3112         * Makefile.in: Updated.
3113
3114 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3115
3116         * pa.c (store_reg): Revise generation of frame notes in large frames.
3117         (set_reg_plus_d): Likewise.
3118
3119 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3120
3121         PR tree-optimization/24709
3122         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3123         loop check.
3124
3125 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3126
3127         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3128         and duplicate declaration of pthread_self.
3129
3130 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3131             Ian Lance Taylor  <ian@airs.com>
3132
3133         PR middle-end/24003
3134         * calls.c (expand_call): If TARGET is a MEM and some part of the
3135         argument area has been saved, force TARGET to a register.
3136
3137 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3138
3139         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3140         checking.
3141
3142 2005-11-13  Jason Merrill  <jason@redhat.com>
3143
3144         PR c++/22489
3145         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3146         lazily declared methods.
3147         (force_decl_die): Stop if forcing out the context already make a
3148         DIE for the decl.
3149         (force_type_die): Likewise.
3150
3151 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3152
3153         PR middle-end/24820
3154         * builtins.c (integer_valued_real_p): Add break in
3155         REAL_CST having TREE_OVERFLOW set.
3156
3157 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3158
3159         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3160         addressing modes during calculation of costs.
3161
3162 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3163
3164         * function.c (assign_stack_local_1): Restrict sanity check
3165         on frame size overflow to 32-bit and above platforms.
3166
3167 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3168
3169         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3170         * config/cris/cris.c: Include reload.h.
3171         (cris_initial_elimination_offset): New function.
3172         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3173         Prototype.
3174
3175 2005-11-12  Richard Guenther  <rguenther@suse.de>
3176
3177         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3178
3179 2005-11-12  Jan Hubicka  <jh@suse.cz>
3180
3181         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3182         to compare against 0 when possible.
3183
3184 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3185
3186         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3187         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3188         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3189         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3190         in the new order.
3191
3192 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3193
3194         * recog.c (constrain_operands) <case 'g'>: For a match, require
3195         that a non-register matches general_operand when strict >= 0.
3196
3197 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3198
3199         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3200         previous checkin.
3201
3202 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3203
3204         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3205         (memory_address_same): New.
3206         (dse_optimize_stmt): Call memory_address_same.
3207
3208 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3209
3210         PR middle-end/24750
3211         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3212         ZERO_EXTEND>: New cases.
3213
3214 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3215
3216         * longlong.h (__clz_tab): Always provide.
3217
3218 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3219
3220         PR 24265
3221         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3222         can be assigned to.
3223         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3224         before check_maybe_invariant.
3225         (move_invariant_reg): Use gen_move_insn instead of replacing
3226         SET_DEST with the temporary for the invariant.
3227         (move_loop_invariants): If checking is enabled, do internal
3228         consistency checks after completing the pass.
3229
3230 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3231
3232         PR 24644
3233         * common.opt (Wvolatile-register-var): New.
3234         * varasm.c (make_decl_rtl): Only emit warning when option
3235         specified.  Clarify warning message.
3236         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3237
3238         * doc/md.texi (copysign): Document standard named pattern.
3239
3240 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3241
3242         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3243         bytes when align is 2.
3244         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3245         by the first instruction of the loop.
3246
3247 2005-11-11  Jason Merrill  <jason@redhat.com>
3248
3249         PR c++/24686
3250         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3251         the cleanup list.
3252
3253 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3254
3255         PR rtl-optimization/22509
3256         * local-alloc.c (memref_used_between_p): Check whether a function call
3257         could not reference the memref.
3258
3259 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3260
3261         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3262         algorithm so as to choose the best, not the worst, alternative.
3263         Reset accumulated register class before processing next alternative.
3264
3265 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3266
3267         PR target/24445
3268         * calls.c (expand_call): Copy a return value to a plain register
3269         if needed.
3270
3271 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3272
3273         PR target/24778
3274         * varasm.c (assemble_name): Recompute name only for transparent
3275         aliases.
3276
3277 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3278
3279         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3280
3281 2005-11-04  Jeff Law  <law@redhat.com>
3282
3283         PR middle-end/23181
3284         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3285         perform reassociation if the parent statement will not die as
3286         a result of the optimization.
3287
3288 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3289
3290         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3291         delete_old_heap_vars.
3292         * tree-dfa.c (referenced_var_remove): Remove function.
3293         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3294         (delete_tree_ssa): Remove call to delete_old_heapvars.
3295         Add call to delete_alias_heapvars.
3296         * tree-flow.h (referenced_var_remove): Remove prototype
3297         (init_alias_heapvars): New prototype.
3298         (delete_alias_heapvars): Ditto.
3299         * Makefile.in (tree-ssa-structalias.o): Add
3300         gt-tree-ssa-structalias.o
3301         (GTFILES): Add tree-ssa-structalias.h and
3302         tree-ssa-structalias.c.
3303         (s-gtype): Add gt-tree-ssa-structalias.h.
3304         * tree-ssa-structalias.c (heapvars): Remove.
3305         (oldheapvars): Remove.
3306         (heapvar_for_stmt): New variable.
3307         (heapvar_lookup): New function.
3308         (heapvar_insert): Ditto.
3309         (get_constraint_for): See if we have an old heapvar
3310         to reuse.
3311         (init_alias_heapvars): New function.
3312         (delete_alias_heapvars): Ditto.
3313         Add include of gt-tree-ssa-structalias.h.
3314
3315 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3316
3317         PR middle-end/22127
3318         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3319
3320 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3321
3322         * tree.c (int_fits_type_p): Only look at the base type
3323         if it has the same precision as the original type.
3324
3325 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR other/4372
3328         * varasm.c (assemble_alias): Use %q+D in the error
3329         message instead of %J and %qD.
3330
3331 2005-11-10  Richard Guenther  <rguenther@suse.de>
3332
3333         * gcse.c (free_ldst_entry): Only free hashtable if
3334         it exists.
3335
3336 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3337
3338         * function.c (assign_stack_local_1): Issue an error message if
3339         the frame size overflows in the signed target arithmetics.
3340
3341 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3342
3343         * tree.c (build_qualified_type): Chain the new type to the original
3344         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3345         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3346         (build_pointer_type_for_mode): Only return unqualified types.
3347         (build_reference_type_for_mode): Likewise.
3348
3349 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3350
3351         * Makefile.in (gnucompare): Do comparison of all files using one of
3352         the chosen methods and only afterwards decide if just warning should
3353         be issued or comparison failure raised.
3354
3355 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3356
3357         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3358         (noce_try_abs): Negate if the comparison is reversed.
3359         Look only one instruction backwards for a REG_EQUAL note.
3360
3361 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3362
3363         PR other/4372
3364         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3365         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3366         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3367         and prefix all uses with __ghtrw.
3368
3369 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3370
3371         PR other/4372
3372         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3373         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3374         * c-common.c (handle_weakref_attribute): New.
3375         (c_common_attribute_table): Add weakref.
3376         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3377         in the assembler.
3378         * configure, config.in: Rebuilt.
3379         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3380         * doc/extend.texi: Document weakref attribute.
3381         * varasm.c (ultimate_transparent_alias_target): New
3382         (assemble_name): Use it.
3383         (weak_finish_1): Split out of...
3384         (weak_finish): ... and deal with weakrefs in...
3385         (weakref_targets): ... new list.
3386         (globalize_decl): Clean up weakref_targets.
3387         (do_assemble_alias): Handle weakrefs.
3388         (finish_aliases_1): Do not reject weakrefs to external symbols.
3389         (assemble_alias): Handle weakrefs.
3390
3391 2005-11-09  Richard Guenther  <rguenther@suse.de>
3392
3393         PR tree-optimization/24716
3394         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3395         t_bool to track results from follow_ssa_edge.
3396
3397 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3398
3399         * final.c (force_source_line): New global variable.
3400         (final_scan_insn): Set it to true instead of clearing last_filename.
3401         (notice_source_line): Return true if force_source_line is true,
3402         unless source info is absent.
3403
3404 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3405
3406         PR c/24644
3407         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3408         a linkage name for a variable if it a register variable.
3409         * c-decl.c (grokdeclarator): Global register variables
3410         should be set as PUBLIC.
3411
3412 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3413
3414         PR 24624
3415         * config/s390/s390.c (struct s390_frame_layout): New fields
3416         first_save_gpr_slot and last_save_gpr_slot.
3417         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3418         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3419         first_save_gpr and last_save_gpr with the _slot variants.
3420         (s390_register_info): Calculate first_save_gpr_slot and
3421         last_save_gpr_slot using regs_ever_live.
3422
3423 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3424
3425         PR 24623
3426         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3427         for a function containing a landing pad.
3428
3429 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3430
3431         PR 24034
3432         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3433         is live afterwards.
3434
3435 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3436
3437         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3438         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3439
3440 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3441
3442         Add ms2 support
3443         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3444         constants.
3445         (call,load,store): New insn types.
3446         (mem_access, branch_access): Adjust reservation conditions.
3447         (define_delay): Adjust condition.
3448         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3449         type.
3450         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3451         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3452         insn type.
3453         (call_internal, call_value_internal, return_internal,
3454         return_interrupt_internal, eh_return_internal, indirect_jump,
3455         tablejump): Set call insn type.
3456         (blockage, ei, di): Use appropriate unspec const.
3457         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3458         (ms1_get_attr_type): Adjust to give load & store types.
3459         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3460         backwards past a barrier.
3461         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3462         branch scheduling.
3463         (struct branch_info, struct label_info): New.
3464         (ms1_labels): New.
3465         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3466         (ms1_machine_reorg): New.
3467         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3468         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3469         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3470         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3471         (TARGET_MS2): New.
3472
3473 2005-11-09  Per Bothner  <per@bothner.com>
3474             Uros Bizjak  <uros@kss-loka.si>
3475
3476         PR c/24101
3477         * toplev.c (process_options): Initialize debug_hooks early
3478         in case lang_hooks.post_options ends up calling a debug_hook.
3479
3480 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3481
3482         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3483         DBX_REGISTER_NUMBER being contiguous.
3484
3485 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3486             Diego Novillo  <dnovillo@redhat.com>
3487
3488         PR 23046
3489         * tree-vrp.c (register_edge_assert_for): Do not register
3490         always-false predicates.
3491
3492 2005-11-08  Devang Patel <dpatel@apple.com>
3493
3494         PR tree-optimization/23115
3495         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3496         relation.
3497
3498 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3499
3500         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3501         -mcpu=440.
3502
3503 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3504
3505         Fix PR tree-optimization/23382
3506
3507         * tree-ssa-alias.c (compute_may_aliases): Call
3508         delete_old_heap_vars.
3509         * tree-dfa.c (referenced_var_remove): New function.
3510         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3511         * tree-flow.h (referenced_var_remove): Add prototype.
3512         (delete_old_heap_vars): Ditto.
3513         * tree-ssa-structalias.c (heapvars): New variable.
3514         (oldheapvars): Ditto.
3515         (get_constraint_for): Put heap vars on heapvars list.
3516         (delete_old_heap_vars): New function.
3517
3518 2005-11-08  Jason Merrill  <jason@redhat.com>
3519
3520         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3521
3522 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3523
3524         PR target/19340
3525         * reg-stack.c (reg_to_stack): Update register liveness also
3526         for flag_sched2_use_traces.
3527
3528 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3529
3530         PR target/23704
3531         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3532         override prior explicit -mno-powerpc-gfxopt.
3533
3534 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3537         if the bitsize is zero.
3538         * doc/md.texi (Standard Pattern Names): Document it.
3539
3540         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3541         (TARGET_PASS_BY_REFERENCE): Likewise.
3542
3543 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3544
3545         PR rtl-optimization/24683
3546         * config/i386/i386.c (legitimize_pic_address): If constant operand
3547         to PLUS is too large, put it in a register.
3548
3549 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3550
3551         * configure.ac: Enable checking assembler dwarf2 support for bfin
3552         target.
3553         * configure: Regenerate.
3554
3555 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3556
3557         PR target/24230
3558
3559         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3560         gen_easy_vector_constant_add_self): Delete.
3561         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3562         New.
3563         (output_vec_const_move): Use gen_easy_altivec_constant.
3564         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3565         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3566         (easy_vector_constant_add_self): Rewritten.
3567         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3568         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3569         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3570         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3571         Macroize and adjust for the other changes.
3572
3573 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3574
3575         PR c/24599
3576
3577         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3578         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3579
3580 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3581
3582         PR rtl-optimization/23567
3583         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3584         (noce_process_if_block): Don't do any optimizations except
3585         if (cond) x = x; if !set_b and write into orig_x may trap
3586         or fault.  Remove the MEM_READONLY_P check.
3587
3588 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3589
3590         PR 24670
3591         * tree-vrp.c (fix_equivalence_set): New.
3592         (extract_range_from_assert): Call it.
3593
3594 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3595
3596         PR target/22432
3597         * combine.c (apply_distributive_law): Don't distribute across a
3598         vector mode subreg.
3599
3600 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3601
3602         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3603         config/ms1/ms1.h, config/rs6000/predicates.md,
3604         config/s390/s390.c, params.def, postreload-gcse.c,
3605         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3606         tree-vrp.c, tree.c: Fix comment typos.
3607         * doc/invoke.texi: Fix typos.
3608
3609 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3610
3611         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3612         for testing whether the data_dependence_relation contains distance
3613         vectors.  Iterate over all distance vectors of the ddr.
3614         * lambda.h: Define a vec of lambda_vector pointers.
3615         * tree-data-ref.c (dump_data_dependence_relation,
3616         dump_data_dependence_direction): Iterate over all distance and
3617         direction vectors of the ddr.
3618         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3619         DDR_DIST_VECTS.
3620         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3621         of distance/direction vectors instead of a single one.
3622         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3623         lambda_vectors with a vec of lambda_vectors.
3624         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3625         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3626         DDR_NUM_DIST_VECTS): New.
3627         * tree-loop-linear.c (gather_interchange_stats): Test for the
3628         existence of distance vectors only after having checked that there
3629         is a dependence.  Iterate over all distance vectors of the ddr.
3630         (linear_transform_loops): Use dump_data_dependence_relation.
3631         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3632         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3633         distance vectors of the ddr.
3634
3635 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3636
3637         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3638         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3639         IS_INTHANDLER; all callers changed.
3640         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3641         account.
3642         (do_link, do_unlink): New argument ALL; all callers changed.
3643         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3644         If function isn't leaf, save and restore all registers.
3645         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3646         exception handler.
3647
3648 2005-11-05  Jan Hubicka  <jh@suse.cz>
3649
3650         PR rtl-optimization/23490
3651         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3652         max-flow-memory-location): Document.
3653         * flow.c: Include params.h
3654         (MAX_MEM_SET_LIST_LEN): Kill.
3655         (add_to_mem_set_list): Use new param.
3656         * cse.c (cse_basic_block): Replace 1000 by new param.
3657         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3658         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3659         * predict.c (predict_loops): Use new param.
3660         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3661
3662         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3663         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3664         Do not hold memory returned by cgraph_node_name across other call.
3665
3666 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3667
3668         PR target/23424
3669         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3670         Disable.
3671
3672 2005-11-04  Jeff Law  <law@redhat.com>
3673
3674         PR/21883
3675         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3676         * tree-ssa-dom.c: Include params.h.
3677         (thread_across_edge): If there are too many statements in the
3678         target block, then do not thread through it.
3679         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3680         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3681
3682 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3683
3684         PR 24627
3685         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3686         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3687
3688 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3689
3690         PR/18595
3691         * tree-scalar-evolution.c (instantiate_parameters_1,
3692         instantiate_parameters, resolve_mixers): Compute the size of an
3693         expression to be instantiated and give up the instantiation if the
3694         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3695
3696 2005-11-04  Richard Guenther  <rguenther@suse.de>
3697
3698         * tree-flow.h (ref_contains_indirect_ref): Rename to
3699         array_ref_contains_indirect_ref.
3700         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3701         (array_ref_contains_indirect_ref): Make comment match the code
3702         and vice-versa.
3703         (ref_contains_array_ref): Likewise.
3704         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3705         ref_contains_indirect_ref.
3706         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3707         Rename calls to ref_contains_indirect_ref.
3708
3709 2005-11-04 Paul Brook  <paul@codesourcery.com>
3710
3711         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3712         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3713         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3714         * config/arm/arm.md: Use match_operand in peephole input templates
3715         and match_dup in peephole output templates.
3716
3717 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3718
3719         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3720         __aeabi_uidiv.
3721
3722 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3723             Daniel Jacobowitz  <dan@codesourcery.com>
3724
3725         * longlong.h (add_ssaaaa): Clobber condition code register
3726         in ARM version.
3727         (sub_ddmmss): Likewise.
3728         (umul_ppmm): Likewise.
3729
3730 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3731             Paul Brook  <paul@codesourcery.com>
3732             Phil Blundell  <pb@reciva.com>
3733
3734         * configure.ac: Add test for ARM TLS support.
3735         * configure: Regenerated.
3736         * config/arm/arm-protos.h (legitimize_tls_address)
3737         (arm_tls_referenced_p, tls_mentioned_p)
3738         (arm_output_addr_const_extra): New prototypes.
3739         (thumb_legitimize_pic_address): Delete.
3740         * config/arm/arm.c: Include "gt-arm.h".
3741         (enum tls_reloc): New.
3742         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3743         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3744         (arm_call_tls_get_addr, legitimize_tls_address)
3745         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3746         (arm_init_tls_builtins, arm_emit_tls_decoration)
3747         (arm_output_addr_const_extra): New functions.
3748         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3749         (TARGET_HAVE_TLS): Define.
3750         (target_thread_pointer): New.
3751         (arm_override_options): Handle -mtp=.
3752         (legitimize_pic_address): Ignore UNSPECs.
3753         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3754         relative symbols.
3755         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3756         (tls_get_addr_libfunc): New variable.
3757         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3758         (arm_init_builtins): Call arm_init_tls_builtins.
3759         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3760         (arm_encode_section_info): Call default_encode_section_info.
3761         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3762         (enum arm_tp_type): New.
3763         (target_thread_pointer): Add declaration.
3764         (LEGITIMATE_CONSTANT_P): Handle TLS.
3765         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3766         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3767         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3768         * config/arm/arm.md: Add UNSPEC_TLS.
3769         (movsi): Handle TLS.
3770         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3771         non-PIC.
3772         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3773         (load_tp_hard, load_tp_soft): New insns.
3774         * arm.opt: Add -mtp=.
3775         * doc/invoke.texi (ARM Options): Document -mtp.
3776
3777 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3778
3779         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3780         * config/arm/libunwind.S: Include "lib1funcs.asm".
3781         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3782         (LIB2ADDEH): Add libunwind.S.
3783         (LIB2ADDEHDEP): Add lib1funcs.asm.
3784         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3785
3786 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3787
3788         PR fortran/18452
3789         * gcc/c.opt: Add a -lang-fortran option.
3790         * gcc/c-opts.c: Add a lang_fortran flag.
3791         (c_common_init_options): Handling the -lang-fortran option.
3792         (c_common_handle_option): Add a case for Fortran options in
3793         preprocessing. Remove cases for -ffixed-form and
3794         -ffixed-line-length. Add a case for -lang-fortran.
3795
3796 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3797
3798         * config/rs6000/rs6000.c: Include params.h
3799         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3800         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3801         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3802         (UNSPEC_VPKUWSS): Delete.
3803         (altivec_vpkuhss): Delete.
3804         (altivec_vpkuwss): Delete.
3805         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3806         final condition.
3807         (neg_eq0<mode>): Remove final condition.
3808         (neg_eq<mode>): Remove condition and split-condition.
3809
3810 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3811
3812         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3813         Use associated print macros.
3814
3815 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3816
3817         PR c++/17964
3818         * diagnostic.c (diagnostic_set_info_translated): New function.
3819         (diagnostic_set_info): Use it.  Add comment.
3820         * diagnostic.h (diagnostic_set_info_translated): Declare.
3821
3822 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3823
3824         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3825         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3826         reference only if 'public' is true.
3827         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3828         emit the .hidden directive only if the indirect reference is public.
3829         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3830         Pass it to dw2_force_const_mem.
3831         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3832         * dwarf2out.c (output_cfi): Adjust calls to above function.
3833         (output_call_frame_info): Likewise.
3834         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3835         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3836
3837 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3838
3839         PR tree-optimization/24483
3840         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3841         field to elts if possible.
3842
3843 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3844
3845         PR middle-end/23155
3846         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3847         CONSTRUCTOR.
3848
3849 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3850
3851         Fix PR tree-optimization/24351
3852
3853         * tree-ssa-structalias.c (struct variable_info): Add
3854         collapsed_into.
3855         (get_varinfo_fc): New function to follow collapsing.
3856         (new_var_info): Set collapsed_to to NULL.
3857         (dump_constraint): Follow collapsing.
3858         (build_constraint_graph): Handle collapsing.
3859         (do_simple_structure_copy): Return false if something bad
3860         happened.
3861         (collapse_rest_of_var): New function.
3862         (do_structure_copy): Collapse if do_simple_structure_copy returns
3863         false.
3864
3865 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3866
3867         PR middle-end/24589
3868         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3869         expressions to a statement list instead of gimplifying them.
3870
3871 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3872
3873         PR rtl-optimization/23585
3874         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3875         that can't trap plus a constant integer, if the mode has zero size.
3876
3877 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3878
3879         PR target/24620
3880         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3881         as operand 2.
3882         ("*insv<mode>_reg_extimm"): Likewise.
3883
3884 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3885
3886         PR c/24329
3887         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3888         c_common_type_for_mode returns an unnamed type.
3889
3890 2005-11-02  Richard Henderson  <rth@redhat.com>
3891
3892         PR target/9350
3893         PR target/24374
3894         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3895         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3896         * function.c (assign_parms): Use calls.internal_arg_pointer.
3897         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3898         code.
3899         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3900         (TARGET_CALLS): Add it.
3901         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3902         * targhooks.c (default_internal_arg_pointer): New.
3903         * targhooks.h (default_internal_arg_pointer): Declare.
3904         * tree.h (dwarf2out_reg_save_reg): Declare.
3905         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3906         * config/i386/i386.c (dbx_register_map): Add return column.
3907         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3908         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3909         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3910         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3911         (ix86_save_reg): Save force_align_arg_pointer.
3912         (ix86_emit_save_regs): Make regno unsigned.
3913         (ix86_emit_save_regs_using_mov): Likewise.
3914         (ix86_expand_prologue): Handle force_align_arg_pointer.
3915         (ix86_expand_epilogue): Likewise.
3916         * config/i386/i386.h: (dbx_register_map): Update.
3917         (dbx64_register_map, svr4_dbx_register_map): Update.
3918         (struct machine_function): Add force_align_arg_pointer.
3919         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3920         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3921         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3922
3923 2005-11-02  Jan Hubicka  <jh@suse.cz>
3924
3925         PR target/23303
3926         * i386.md: Add peep2 for simplyfing array accesses.
3927
3928 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3929
3930         PR target/24615
3931         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3932         * config/s390/s390.c (s390_decompose_shift_count): New function.
3933         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3934         (print_shift_count_operand): Use s390_decompose_shift_count.
3935         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3936         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3937
3938 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3939
3940         PR target/24600
3941         * loop.c (loop_givs_rescan): Use force_operand to expand
3942         complex GIVs.
3943
3944 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3945
3946         PR 22429
3947         * fold-const.c (build_range_check): Use unsigned when signed
3948         overflow is undefined also.  If etype is subtype, make sure that
3949         the subtraction is in the supertype.
3950
3951 2005-11-02  Richard Henderson  <rth@redhat.com>
3952
3953         PR target/24178
3954         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3955         by MEM_ALIGN.
3956
3957 2005-11-01  Richard Henderson  <rth@redhat.com>
3958
3959         PR 21518
3960         * loop.c (scan_loop): Do not propagate computations to a hard
3961         register destination with SMALL_REGISTER_CLASSES.
3962
3963 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3964
3965         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3966         costs for MULT inside PLUS or MINUS.
3967
3968 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3969
3970         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3971         (TRAMPOLINE_SIZE): Round up to 60.
3972         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3973
3974 2005-10-31  James E. Wilson  <wilson@specifix.com>
3975
3976         PR debug/24444
3977         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3978         ifdef.  Put ifdefs around call in gen_subprogram_die.
3979         (compute_frame_pointer_to_cfa_displacement): Likewise.
3980         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3981         not defined.
3982
3983         PR rtl-optimization/17356
3984         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3985         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3986
3987 2005-10-31  Jan Hubicka  <jh@suse.cz>
3988
3989         PR middle-end/24093
3990         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3991
3992         PR target/20928
3993         * i386.c (legitimize_pic_address): Deal with large immediates.
3994
3995         PR profile/20815
3996         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3997         from symbol names while computing checkup.
3998
3999         PR profile/24487
4000         * predict.c (predict_loops): Do not estimate more than
4001         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4002         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4003
4004 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4005
4006         PR tree-optimization/19097
4007         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4008
4009 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4010
4011         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4012
4013 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4014
4015         PR middle-end/23492
4016         * tree-inline.c (setup_one_parameter): If the init_stmt
4017         is NULL, don't insert the statement.
4018
4019 2005-10-30  Jan Hubicka  <jh@suse.cz>
4020
4021         PR tree-optimization/24172
4022         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4023
4024 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4025
4026         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4027         constants for hosts with long != 32 bits.
4028
4029 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4030
4031         PR middle-end/24093
4032         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4033
4034 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4035
4036         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4037         (TARGET_MS1_16_002): New.
4038         (TARGET_MS1_16_003): New.
4039
4040         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4041         ("*decrement_and_branch_until_zero_no_clobber"): New.
4042         Add corresponding splitter for decrement_and_branch_until_zero
4043         instruction.
4044         Key all decrement_and_branch_until_zero patterns off of
4045         TARGET_MS1_16_003.
4046
4047 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4048
4049         PR middle-end/24362
4050         * tree-complex.c (extract_component): Treat RESULT_DECL
4051         like the rest of the decls.
4052
4053 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4054
4055         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4056         indirect call to _mcount if the function needs a static chain.
4057
4058 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4059             Caroline Tice  <ctice@apple.com>
4060
4061         PR rtl-optimization/24460
4062         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4063         (dwarf2out_switch_text_section): Set it to true instead of
4064         incrementing separate_line_info_table_in_use.
4065         (output_loc_list): Additionally test have_switched_text_sections.
4066         (output_ranges): Likewise.
4067         (dwarf2out_finish): Likewise.
4068         * varasm.c (assemble_start_function): Do not call
4069         insert_section_boundary_note.
4070         (assemble_end_function): If flag_reorder_blocks_and_partition,
4071         switch to the function's section before emitting the .size directive.
4072         * bb-reorder.c (insert_section_boundary_note): Staticify.
4073         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4074         * output.h (insert_section_boundary_note): Delete.
4075
4076 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4077
4078         PR c/23103
4079         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4080         instead of pointer equality when comparing types.
4081
4082 2005-10-24  James E. Wilson  <wilson@specifix.com>
4083
4084         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4085         add_dependence_list_and_free calls.
4086
4087 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4088
4089         * contrib.texi: Add the names of the LLNL folks who donated
4090         Cray pointer support for gfortran.
4091
4092 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4093
4094         PR tree-optimization/24225
4095         * profile.c (branch_prob): Look from end to start through a
4096         basic block when looking for a locus.
4097
4098 2005-10-24  Richard Henderson  <rth@redhat.com>
4099
4100         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4101         parallel.
4102         (hppa_expand_prologue): Likewise.
4103
4104 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4105
4106         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4107         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4108         * pa.h (NO_PROFILE_COUNTERS): Define.
4109         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4110         (funcdef_nos): New vector to hold label numbers of deferred profile
4111         counters.
4112         (output_deferred_profile_counters): New function.
4113         (hppa_profile_hook): Push label number onto funcdef_nos.
4114         (pa_hpux_file_end): Call output_deferred_profile_counters if
4115         NO_DEFERRED_PROFILE_COUNTERS is false.
4116
4117         * pa-protos.h (get_deferred_plabel): New prototype.
4118         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4119         Make global.
4120         (output_call): Adjust calls.
4121
4122 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4123
4124         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4125         peculiarity of GOT/TOC section usage.
4126
4127 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4128
4129         PR objc/24435
4130          * c-common.c (constant_string_class_name): Add documentation.
4131
4132 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4133
4134         PR target/23832
4135         * recog.c (peephole2_optimize): Increment peep2_current_count
4136         only when the slot is empty.
4137
4138 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4139
4140         PR ada/23957
4141         * except.c (output_function_exception_table): Call
4142         assemble_external_libcall if we need a personality function.
4143
4144 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4145
4146         PR rtl-optimization/24460
4147         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4148         set the basic block for barriers.
4149
4150 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4151
4152         * var-tracking.c (vt_initialize): Initialize post.
4153
4154 2005-10-21  Devang Patel  <dpatel@apple.com>
4155
4156         PR/24220
4157         * c-common.c (vector_types_convertible_p): Check vector element type.
4158
4159 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4160
4161         * config/sh/sh.c (prepare_move_operands): Handle the address
4162         constant which is a tls symbolic address plus a constant.
4163
4164 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4165
4166         PR driver/24473
4167         * gcc.c (main): Use the correct counter for erroring out
4168         about mulitple files.
4169
4170 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4171
4172         PR target/24465
4173         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4174         use r2 for 64-bit tls .got access.
4175
4176 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4177
4178         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4179         TRUTH_OR_EXPR.
4180
4181 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4182
4183         PR tree-optimization/24307
4184         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4185
4186 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4187
4188         PR middle-end/24295
4189         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4190         alias targets.
4191         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4192         is ready, stop marking functions, but still mark variables.
4193
4194 2005-10-20  Richard Guenther  <rguenther@suse.de>
4195
4196         PR c++/24439
4197         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4198         void type operands.
4199
4200 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4201
4202         PR rtl-optimization/23585
4203         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4204         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4205         (may_trap_p_1): New predicate extracted from...
4206         (may_trap_p): ... here.  Invoke may_trap_p_1.
4207         (may_trap_or_fault_p): New predicate.
4208         * rtl.h (may_trap_or_fault_p): Declare it.
4209         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4210         instead of may_trap_p.
4211         (steal_delay_list_from_fallthrough): Likewise.
4212         (fill_simple_delay_slots): Likewise.
4213         (fill_slots_from_thread): Likewise.
4214         * function.c (pad_to_arg_alignment): Rework comment about
4215         SPARC_STACK_BOUNDARY_HACK.
4216         * config/sparc/sparc.h: Likewise.
4217
4218 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4219
4220         * config/s390/s390.c (s390_expand_insv): New.
4221         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4222         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4223         ("icm_hi"): Remove mode attribute.
4224         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4225         Adjust all uses.
4226         ("*extracthi", "*extractqi"): Remove.
4227         (extv<mode>", "*extzv<mode>"): New.
4228         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4229         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4230
4231 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4232
4233         * cfgexpand.c (discover_nonconstant_array_refs_r,
4234         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4235         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4236         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4237         discover_nonconstant_array_refs.
4238
4239 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4240
4241         PR c/23228
4242         * c-decl.c (pop_scope): Don't warn about an unused variable
4243         if it is marked with TREE_NO_WARNING.
4244         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4245         somenow mismatch and olddecl is to be replaced.
4246
4247 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4248
4249         PR middle-end/23199
4250         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4251         whether registers live on the edge can be saved/restored.
4252
4253 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4254
4255         * config/sh/sh.c (fixup_mova): Skip notes.
4256
4257 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4258
4259         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4260         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4261         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4262         (s390_initial_elimination_offset): Likewise.
4263         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4264         register on TARGET_ZARCH targets.
4265         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4266         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4267         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4268         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4269
4270 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4271
4272         * config/s390/s390.md: Comment describing output modifiers updated.
4273         * config/s390/s390.c (print_operand): Likewise.
4274
4275 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4276
4277         * config/s390/s390.c (override_options): Added check for -mstack-size
4278         64k limitation.
4279         * doc/invoke.texi: Mention that limit in the documenation.
4280
4281 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4282
4283         PR #19672
4284         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4285
4286 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4287
4288         Fix PR tree-optimization/24231
4289
4290         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4291         (compute_avail): Ditto.
4292
4293 2005-10-18  Richard Henderson  <rth@redhat.com>
4294
4295         PR target/24428
4296         * config/i386/i386.c (legitimate_constant_p): Check
4297         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4298         if LABEL_REF.
4299         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4300         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4301         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4302         directly.
4303         (print_operand_address): Likewise.
4304         * config/i386/predicates.md (x86_64_immediate_operand): Test
4305         SYMBOL_REF_TLS_MODEL properly inside CONST.
4306         (x86_64_zext_immediate_operand): Likewise.
4307         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4308         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4309         * config/i386/i386-protos.h: Remove predicates.md entries.
4310
4311 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4312
4313         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4314         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4315
4316 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4317             Ian Lance Taylor <ian@airs.com>
4318
4319         PR middle-end/23522
4320         * fold-const.c (fold_widened_comparison): Do not allow range based
4321         constant folding when right operand cannot be unwidened.
4322
4323 2005-10-17  Richard Henderson  <rth@redhat.com>
4324
4325         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4326         with a memory clobber.
4327
4328 2005-10-17  James E Wilson  <wilson@specifix.com>
4329
4330         PR rtl-optimization/17356
4331         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4332         checking for EDGE_EH.
4333
4334 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4335
4336         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4337         the slot on an even boundary for any type with 16-byte alignment.
4338
4339 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4340
4341         PR target/23424
4342         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4343         after register allocation.
4344
4345 2005-10-17  DJ Delorie  <dj@redhat.com>
4346
4347         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4348         as frame related.
4349
4350 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4351
4352         PR c++/22551
4353         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4354         overflow flags.
4355
4356 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4357
4358         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4359         to 2 if it's already non-zero.
4360         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4361         is set and warn about it if flag_schedule_insns is 1.
4362
4363 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4364
4365         * config/crx/crx.md: Compare-and-branch instructions need to
4366         invalidate CC.
4367
4368 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4369
4370         PR target/24315
4371         * config/i386/i386.md (*pushdi2_rex64 splitter)
4372         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4373         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4374         flow2 pass only when (optimize > 0 && flag_peephole2).
4375
4376 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4377
4378         PR driver/22544
4379         * gcc.c (have_c): New static variable.
4380         (have_o): Likewise.
4381         (process_command): Remove declation of have_c.
4382         Set have_o to 1 when handling -o.
4383         (main): Add a fatel error if there are multiple
4384         files specified and -o and -c/-S is passed witout
4385         -combine or multiple languages.
4386
4387 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4388
4389         Fix PR tree-optimization/22444
4390         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4391         Assert that we don't hit something with subvars.
4392         (setup_pointers_and_addressables): Don't add things with subvars,
4393         because we'll already process the subvars for aliasing purposes.
4394
4395 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4396
4397         PR target/23424
4398         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4399         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4400         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4401         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4402         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4403         swapped, alternatives for the R constraint.
4404
4405         PR middle-end/24341
4406         * builtins.c (get_builtin_sync_mode): Make unlimited
4407         mode_for_size request.
4408
4409 2005-10-15  Richard Henderson  <rth@redhat.com>
4410
4411         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4412         (gimplify_expr): ... here.
4413         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4414         fb_lvalue in base expression.
4415
4416 2005-10-15  Richard Henderson  <rth@redhat.com>
4417
4418         PR 23714
4419         * builtins.c (expand_builtin_trap): Export.
4420         * expr.h (expand_builtin_trap): Declare.
4421         * expr.c (expand_assignment): Emit a trap for integral offsets
4422         from registers that weren't reduced to bitpos.
4423
4424         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4425         (mark_array_ref_addressable): Remove.
4426         * tree-flow.h (mark_array_ref_addressable): Remove.
4427         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4428
4429 2005-10-15  James E Wilson  <wilson@specifix.com>
4430
4431         PR target/24232
4432         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4433         (add_dependence_list_and_free): Likewise.
4434         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4435         call.
4436
4437 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4438
4439         PR 23141
4440         PR 23142
4441         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4442         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4443         anti-range.
4444         (vrp_visit_phi_node): Only prevent infinite iterations when
4445         the previous result and the new result are both VR_RANGEs.
4446
4447 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4448
4449         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4450         function comment.
4451
4452 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4453
4454         PR c/23439
4455         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4456         to initialize loc.
4457
4458 2005-10-14  Per Bothner  <per@bothner.com>
4459
4460         PR preprocessor/21250
4461         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4462
4463 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4464
4465         PR c++/22551
4466         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4467         overflow flags.  Refactor some conditionals.
4468
4469 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4470
4471         PR tree-opt/21304
4472         * tree-dfa.c (add_referenced_var): Only look at decls which
4473         have TREE_CONSTANT or TREE_READONLY set instead of if
4474         !TREE_PUBLIC or !TREE_CONSTANT.
4475
4476 2005-10-13  James E Wilson  <wilson@specifix.com>
4477
4478         * doc/invoke.texi: For -x, add f95-cpp-input.
4479         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4480
4481 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4482
4483         PR tree-optimization/24262
4484         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4485         in loop all the time.
4486
4487 2005-10-12  Richard Henderson  <rth@redhat.com>
4488
4489         PR c/24255
4490         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4491         * function.c (assign_parm_find_data_types): Don't support it.
4492         * print-tree.c (print_node): Likewise.
4493         * c-common.c (handle_transparent_union_attribute): Likewise.
4494         Use build_duplicate_type.
4495         * tree-inline.c (remap_type_1): Split out of remap_type;
4496         properly remap aggregate fields.
4497         (build_duplicate_type): New.
4498         * doc/extend.texi (Variable Attributes): Remove documentation
4499         for transparent_union.
4500
4501 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4502
4503         PR target/24284
4504         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4505         (gen_stack_pointer_dec): Likewise.
4506
4507 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4508
4509         PR middle-end/21275
4510         PR middle-end/21766
4511         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4512         target hook.
4513         (struct cxx): Add adjust_class_at_definition target hook.
4514         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4515         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4516         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4517         hook_void_tree. Add to TARGET_CXX.
4518         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4519         dllimport_flag.
4520         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4521         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4522         instead of attribute. Check for dllexport override.  Warn if
4523         inconsistent dll linkage. Don't lose old dllimport if decl has
4524         had address referenced.   Tweak lookup of dllimport atribute.
4525         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4526         for target specific rules.  Don't add dllimport attribute if
4527         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4528         dllimport attribute.
4529         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4530         * varasm.c (initializer_constant_valid_p): Replace
4531         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4532
4533         PR target/21801
4534         PR target/23589
4535         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4536         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4537         (i[34567]86-*-mingw32*): Likewise.
4538
4539         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4540         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4541
4542         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4543         C++-specific code. Change return value to bool.
4544         (i386_pe_dllimport_p): Likewise.
4545         (associated_type): Simplify and make language-independent
4546         (i386_pe_encode_section_info): Replace override of ambiguous
4547         dllimport symbol refs with a gcc_assert.
4548         (i386_pe_valid_dllimport_attribute_p): Define.
4549         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4550         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4551         i386_pe_adjust_class_at_definition.
4552         * config/i386/winnt-stubs.c: New file. Define stub versions of
4553         lang-specific functions.
4554         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4555         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4556         i386_pe_adjust_class_at_definition.
4557         (i386_pe_valid_dllimport_attribute_p): Declare.
4558         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4559         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4560         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4561
4562         PR target/19704
4563         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4564         dllimport attribute with test of DECL_DLLIMPORT_P.
4565
4566 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4567
4568         * combine.c (make_extraction): Correct offset computation.
4569
4570 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4571
4572         * config/cris/t-linux (LIMITS_H_TEST): Define.
4573
4574 2005-10-12  Richard Henderson  <rth@redhat.com>
4575
4576         PR rtl-opt/23324
4577         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4578
4579 2005-10-12  Richard Guenther  <rguenther@suse.de>
4580
4581         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4582
4583 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4584
4585         PR c++/19964
4586         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4587         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4588         type.
4589
4590 2005-10-12  Richard Guenther  <rguenther@suse.de>
4591
4592         PR c++/23799
4593         * varasm.c (output_constant): Correct typo from previous
4594         patch by DJ.
4595
4596 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4597
4598         PR rtl-optimization/13931
4599         * combine.c: Revert patch of 2003-05-14, and:
4600         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4601         completely killed in the appropriate insn.
4602         (distribute_notes): Don't skip multiple hard register test for
4603         elim_i1 and elim_i2.
4604
4605 2005-10-11  Richard Henderson  <rth@redhat.com>
4606
4607         PR c/24255
4608         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4609         to initialize a transparent union instead of a nop_expr.
4610
4611 2005-10-11  Richard Henderson  <rth@redhat.com>
4612
4613         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4614         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4615         (tree_ssa_dce_loop): Call scev_reset.
4616
4617         PR tree-opt/24300
4618         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4619         * tree-ssa-dce.c: Include cfgloop.h.
4620         (tree_ssa_dce_loop, pass_dce_loop): New.
4621         * tree-pass.h (pass_dce_loop): Declare it.
4622         * passes.c (init_optimization_passes): Use it.
4623
4624 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4625
4626         PR middle-end/24263
4627         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4628         Only apply the optimization for rounding builtins if the inner
4629         cast is also an extension.
4630
4631 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4632
4633         PR tree-opt/23946
4634         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4635         mark_new_vars_to_rename instead of update_stmt.
4636
4637 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4638
4639         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4640
4641 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4642
4643         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4644         for setting MMX register to 0 rather than mmx.
4645
4646 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4647
4648         PR target/12098
4649         * configure.ac: Move gas check from mips specific case to common case.
4650         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4651         * configure: Regenerate
4652         * doc/install.texi: Update.
4653
4654 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4655
4656         PR target/24284
4657         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4658
4659 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4660
4661         * gcc.c (do_spec_1): Accept numeric characters in file name
4662         suffixes.
4663
4664 2005-10-10  Nick Clifton  <nickc@redhat.com>
4665
4666         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4667         describing the deleted arm_gen_rotated_half_load function.
4668
4669 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4670
4671         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4672         __fpscr_values.
4673
4674 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4675
4676         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4677         gnu_ld assignments.
4678         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4679         (EXTRA_MULTILIB_PARTS): Define.
4680         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4681         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4682         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4683         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4684         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4685         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4686
4687 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4688
4689         PR tree-optimization/24226
4690         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4691         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4692         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4693         Export.
4694
4695 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4696
4697         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4698
4699 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4700
4701         PR target/24136
4702         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4703         Rewrite for no need for the early clobber.
4704
4705 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4706
4707         Merge from csl-arm-branch:
4708         2005-09-07  Paul Brook  <paul@codesourcery.com>
4709         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4710         space to string.
4711
4712         2005-04-30  Paul Brook  <paul@codesourcery.com>
4713         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4714         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4715
4716         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4717         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4718         (arm_override_options): Use TARGET_AAPCS_BASED.
4719         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4720         (PTRDIFF_TYPE): Use int for AAPCS.
4721         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4722         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4723         (DEFAULT_SHORT_ENUMS): Delete.
4724         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4725
4726         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4727         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4728         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4729         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4730
4731         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4732         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4733
4734         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4735         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4736
4737         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4738         * config.gcc (arm*-*-linux-gnueabi): Add it.
4739         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4740         redefining it.
4741         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4742         * config/arm/linux-eabi.h: New file.
4743         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4744         (LINUX_TARET_LINK_SPEC): Likewise.
4745         (LINK_SPEC): Use it.
4746         * config/arm/t-linux-eabi: New file.
4747
4748 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4749
4750         PR other/22202
4751         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4752         spaces.
4753         (PARAM_SMS_DFA_HISTORY): Likewise.
4754
4755 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4756
4757         PR middle-end/23150
4758         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4759         (load_register_parameters): Call it.
4760         (check_sibcall_argument_overlap_1): Likewise.
4761         (store_one_arg): Likewise.
4762
4763 2005-10-07  James E. Wilson  <wilson@specifix.com>
4764
4765         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4766         DImode not VECINT24 for operand 2.
4767
4768         PR target/23644
4769         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4770         -mtune-arch.
4771
4772         PR target/24193
4773         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4774         fr_spill): Use destination_operand for operand 0.
4775
4776 2005-10-07  DJ Delorie  <dj@redhat.com>
4777
4778         * varasm.c (output_constant): Limit error to expanding
4779         conversions.
4780
4781 2005-10-07  Richard Guenther  <rguenther@suse.de>
4782
4783         PR middle-end/24227
4784         * fold-const.c (fold_binary): Fix operand types during folding
4785         of X op (A, Y).  Evaluation order of the side-effects of
4786         X and A are frontend-defined, so ensure we honour that even for
4787         tcc_comparison class operands; eased by removing duplicate code.
4788
4789 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4790
4791         * stor-layout.c (layout_type): Do not allow alignment of array
4792         elements to be greater than their size.
4793
4794 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4795
4796         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4797         host_xmake_file.
4798         (hppa*-*-linux*): Ditto.
4799         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4800         * config/host-hpux.c: New.
4801         * config/x-hpux: New.
4802         * config/pa/x-hpux: Remove.
4803         * config/pa/x-linux: Remove.
4804         * config/pa/pa-host.c: Remove.
4805
4806 2005-10-07  Jeff Law  <law@redhat.com>
4807
4808         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4809         determine whether or not to try and thread outgoing edges.
4810
4811 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4812
4813         * config/rs6000/rs6000.md (eqsi_power): New.
4814         (neg_eq0si): Add TARGET_POWER to final condition.
4815         (neg_eqsi): Same.
4816
4817 2005-10-06  Richard Henderson  <rth@redhat.com>
4818
4819         * config/rs6000/rs6000.c: Revert last change.
4820
4821 2005-10-06  Richard Henderson  <rth@redhat.com>
4822
4823         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4824         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4825
4826 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4827
4828         PR middle-end/22216
4829         PR middle-end/23651
4830         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4831         out return_label and naked_return_label.
4832
4833 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4834
4835         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4836         change.
4837
4838 2005-10-06  Richard Henderson  <rth@redhat.com>
4839
4840         PR tree-opt/22237
4841         * tree-inline.c (declare_return_variable): Handle modify_dest not
4842         being a DECL.
4843
4844 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4845
4846         Fix PR tree-optimization/22488
4847         * tree-ssa-structalias.c (check_for_overlaps): New function.
4848         (create_variable_info_for): Use it.
4849
4850 2005-10-06  Richard Henderson  <rth@redhat.com>
4851
4852         PR debug/24070
4853         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4854         (dwarf2out_start_source_file): Print it.
4855
4856 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4857
4858         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4859
4860 2005-10-06  Richard Henderson  <rth@redhat.com>
4861
4862         PR 23706
4863         * mode-switching.c (optimize_mode_switching): Clear transp bit
4864         for block with incomming abnormal edges.
4865
4866         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4867         (fpscr_set_from_mem): Use them.
4868         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4869         (fpscr postinc splitters): Rewrite as peephole2+split.
4870
4871 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4872
4873         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4874         (eq<mode>_compare): Same.
4875
4876 2005-10-06  Richard Guenther  <rguenther@suse.de>
4877
4878         PR tree-optimization/24238
4879         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4880
4881 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4882
4883         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4884         here.  Use AC_PATH_PROG for environment variables instead of
4885         test -x.
4886         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4887         objdump also.
4888         * configure: Regenerated.
4889
4890 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4891
4892         PR target/23783
4893         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4894         then force it into a register.
4895         (call_value): Likewise.
4896
4897 2005-10-06  Richard Henderson  <rth@redhat.com>
4898
4899         PR 24049
4900         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4901         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4902         under pass_vectorize.
4903
4904 2005-10-05  Devang Patel  <dpatel@apple.com>
4905
4906         PR Debug/23205
4907         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4908         handling constants. Check NAMESPACE_DECL context for constants.
4909
4910 2005-10-05  Eric Christopher  <echristo@apple.com>
4911
4912         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4913
4914 2005-10-05  Richard Henderson  <rth@redhat.com>
4915
4916         PR 23714
4917         * tree-cfg.c (mark_array_ref_addressable_1): New.
4918         (mark_array_ref_addressable): New.
4919         * tree-flow.h (mark_array_ref_addressable): Declare.
4920         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4921
4922 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4923
4924         PR middle-end/20606
4925         PR middle-end/24069
4926         * reload.c (subst_reloads): When adding a REG_LABEL to a
4927         jump instruction, also update JUMP_LABEL.
4928
4929 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4930
4931         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4932         * bb-reorder.c (copy_bb_p): Use it.
4933         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4934
4935 2005-10-05  Richard Henderson  <rth@redhat.com>
4936
4937         PR target/23602
4938         * toplev.c (process_options): Warn about unsupported combinations
4939         of unwind tables and omit-frame-pointer.
4940         * config/i386/i386.c (override_options): Similarly.  Enable
4941         accumulate-outgoing-args if not explicitly disabled.
4942
4943 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4944
4945         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4946         Handle big endian vs. small endian.
4947         (vec_initv2sf): Handle big endian vs. small endian.
4948         (*vec_extractv2sf_1): Ditto.
4949
4950 2005-10-05  Dale Johannesen  <dalej@apple.com>
4951
4952         * convert.c (convert_to_real):  Don't convert
4953         (float)floor(double d) to floorf((float)d).
4954
4955 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4956
4957         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4958
4959 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4960
4961         PR tree-optimization/18587
4962         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4963         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4964         build_vuses): Change to VEC type.
4965         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4966         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4967         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4968         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4969         (get_name_decl): New.  Return DECL_UID of base variable.
4970         (operand_build_cmp): New.  qsort comparison routine.
4971         (operand_build_sort_virtual): New.  Sort virtual build vector.
4972         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4973         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4974         (FINALIZE_BASE): Use get_name_decl.
4975         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4976         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4977         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4978         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4979         direct VEC_* manipulations.
4980         (build_ssa_operands): Call operand_build_sort_virtual.
4981         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4982         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4983         with direct VEC_* manipulations.
4984         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4985         with direct VEC manipulations.
4986
4987 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4988
4989         PR tree-optimization/21419
4990         PR tree-optimization/24146
4991         PR tree-optimization/24151
4992
4993         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4994         (build_asm_expr): Call it if outputs are read-only.
4995         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4996
4997 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4998             Paolo Bonzini  <bonzini@gnu.org>
4999
5000         PR target/23809
5001
5002         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5003         enable the instructions and not just the built-ins.
5004         * doc/invoke.texi (x86 Options): Likewise.
5005
5006 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5007
5008         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5009
5010         * doc/invoke.texi (Option Summary): Correct spelling
5011         of -mmacosx-version-min.
5012
5013 2005-10-04  Devang Patel  <dpatel@apple.com>
5014
5015         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5016         real types.
5017
5018 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5019
5020         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5021         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5022
5023 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5024
5025         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5026         ("TE","tg"): New mode attributes.
5027         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5028         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5029         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5030         dword_mode and one for GPRmode.
5031
5032 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5033
5034         PR preprocessor/13726
5035         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5036         any comments passed in.
5037
5038 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5039
5040         * tree.c (annotate_with_file_line): Fix typo.
5041
5042 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5043
5044         PR ada/19382
5045         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5046         type used to access data in the inlined length == 1 case, use
5047         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5048         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5049
5050 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5051
5052         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5053         TARGET_SSE3 and only for TARGET_80387.
5054         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5055         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5056         Do not depend on TARGET_80387.
5057
5058 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5059
5060         * tree.c (last_annotated_node): Change type to location_t*.
5061         (annotate_with_file_line): Reflect the change of
5062         last_annotated_node type.
5063
5064 2005-10-04  Richard Guenther  <rguenther@suse.de>
5065
5066         PR c/23576
5067         * c-decl.c (grokdeclarator): Don't write to fields
5068         of error_mark_node.
5069
5070 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5071
5072         PR middle-end/23125
5073         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5074         register variables.
5075         * varasm.c (make_decl_rtl): If a register variable does not
5076         have a set user assmbler name, error out.
5077         Decode the asmspec is now name+1 bypassing '*'.
5078
5079 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5080
5081         PR tree-optimization/23049
5082         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5083         of a COND_EXPR is folded before calling fold on the whole rhs of a
5084         conditional assignment.
5085         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5086         document that a COND_EXPR may appear there.
5087
5088 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5089
5090         PR 23445
5091         * tree-vrp.c (extract_range_from_assert): If the new numeric
5092         range created out of the assertion contradicts the existing
5093         numeric range of the ASSERT_EXPR variable, make the new range
5094         varying.
5095
5096 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5097
5098         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5099         from T_REGS to FP register class.
5100
5101 2005-10-03  Richard Henderson  <rth@redhat.com>
5102
5103         PR 24135
5104         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5105         before creating a new one.
5106
5107 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5108
5109         * config/rs6000/t-aix43 (LDFLAGS): New.
5110         * config/rs6000/t-aix52 (LDFLAGS): New.
5111
5112 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5113
5114         * gimplify.c (find_single_pointer_decl_1): New static function.
5115         (find_single_pointer_decl): New static function.
5116         (internal_get_tmp_var): For a formal variable, set restrict base
5117         information if appropriate.
5118         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5119         return it.
5120         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5121         (DECL_GET_RESTRICT_BASE): Define.
5122         (SET_DECL_RESTRICT_BASE): Define.
5123         (decl_restrict_base_lookup): Declare.
5124         (decl_restrict_base_insert): Declare.
5125         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5126         * tree.c (restrict_base_for_decl): New static variable.
5127         (init_ttree): Initialize restrict_base_for_decl.
5128         (copy_node_stat): Copy restrict base information.
5129         (decl_restrict_base_lookup): New function.
5130         (decl_restrict_base_insert): New function.
5131         (print_restrict_base_statistics): New static function.
5132         (dump_tree_statistics): Call print_restrict_base_statistics.
5133
5134 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5135
5136         PR 24142
5137         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5138         case of anti-ranges.
5139
5140 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5141
5142         PR c/18851
5143         * c-typeck.c (tagged_tu_seen): Rename to ...
5144         (tagged_tu_seen_cache): this and add val field.
5145         (comptypes): Move functional to comptypes_internal
5146         and free tagged_tu_seen.
5147         (comptypes_internal): New function and call comptypes_internal
5148         instead of comptypes. Speed up by sibcalling
5149         tagged_types_tu_compatible_p.
5150         (alloc_tagged_tu_seen): New function
5151         (free_all_tagged_tu_seen_up_to): New function.
5152         (tagged_types_tu_compatible_p): Return the val of the seen two
5153         types.
5154         Add that the two types are the same to tagged_tu_seen_base
5155         if they are and call comptypes_internal instead of comptypes.
5156         <case UNION_TYPE>: Speed up common type where the fields are
5157         in the same order.
5158         (function_types_compatible_p): Call comptypes_internal instead of
5159         comptypes.
5160         (type_lists_compatible_p): Likewise.
5161         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5162
5163 2005-10-02  Matthias Klose  <doko@debian.org>
5164
5165         * doc/invoke.texi: Fix typo and speling error.
5166
5167 2005-10-01  Richard Henderson  <rth@redhat.com>
5168
5169         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5170
5171 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5172
5173         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5174         using --start-group and --end-group.
5175
5176 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5177
5178         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5179         FIXME note regarding quirky semantics.
5180
5181 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5182
5183         PR 24141
5184         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5185         non-null range as a last resort.
5186
5187 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5188             Diego Novillo  <dnovillo@redhat.com>
5189
5190         PR 23604
5191         * tree-vrp.c (extract_range_from_assert): For !=
5192         assertions, only build an anti-range if LIMIT is a
5193         single-valued range.
5194
5195 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5196
5197         * arm.md (movqi): On thumb when optimizing, handle loading from
5198         memory by describing this as taking a subreg of a zero-extended load
5199         into an SImode register.
5200         (movhi): Likewise.
5201
5202 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5203
5204         * reload1.c (merge_assigned_reloads): Do not change any
5205         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5206
5207 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5208
5209         * Makefile.in (LIPO_FOR_TARGET): Define.
5210         (STRIP_FOR_TARGET): Define.
5211
5212         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5213         before creating new ones.  Do symlinks before creating the actual
5214         targets.
5215
5216         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5217         to work out which multilibs are actually being built.
5218
5219 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5220
5221         * tree-vect-transform.c, config/ms1/ms1.md,
5222         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5223         Follow spelling conventions.
5224         * doc/invoke.texi, doc/md.texi: Fix typos.
5225
5226 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5227
5228         PR tree-optimization/21430
5229         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5230         use operands, and set stmt pointer if need be.
5231         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5232         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5233         present.
5234
5235 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5236
5237         PR middle-end/24053
5238         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5239
5240 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5241
5242         * optabs.c (expand_binop): Initialize first_pass_p.
5243
5244 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5245
5246         PR middle-end/24109
5247         * c-decl.c (c_write_global_declarations_1): If any
5248         wrapup_global_declaration_2 call returned true, restart the loop.
5249
5250 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5251
5252         Fix PR tree-optimization/24117
5253         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5254         before considering whether to use anyoffset.
5255
5256 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5257
5258         Revert this patch:
5259
5260         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5261
5262         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5263         to order operands.
5264         (swap_commutative_operands_with_target): New.
5265
5266 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5267
5268         PR c/21419
5269         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5270         read-only.
5271
5272 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5273
5274         PR tree-optimization/23911
5275         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5276         and IMAGPART_EXPR too.
5277
5278 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5279
5280         PR 17886
5281         * expmed.c (expand_shift): Move logic to reverse rotation
5282         direction when  rotating by constants ...
5283         * optabs.c (expand_binop): ... here.
5284         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5285         (ix86_rotrdi3): New pattern.
5286         (rotldi3): Handle 32-bit mode.
5287         (ix86_rotldi3): New pattern.
5288
5289 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5290
5291         PR target/24102
5292         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5293         check for numbers that need no bit twiddle.
5294
5295 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5296
5297         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5298         multilib to be built.
5299
5300         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5301         (stage1-start): Delete old libgcc and libunwind before moving
5302         anything into the stage directory.
5303         (stage2-start): Likewise.
5304         (stage3-start): Likewise.
5305         (stage4-start): Likewise.
5306         (stageprofile-start): Likewise.
5307         (stagefeedback-start): Likewise.
5308         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5309         header in tm_file and CPU-specific t-darwin in tmake_file.
5310         (i[34567]86-*-darwin*): Don't change tm_file.
5311         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5312         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5313         shared library stub for target OS version.
5314         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5315         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5316         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5317         (libgcc_s.%.dylib): New.
5318         (LIBGCC): Define.
5319         (install-darwin-libgcc-stubs): New.
5320         (INSTALL_LIBGCC): New append.
5321         * config/i386/darwin-libgcc.10.4.ver: New.
5322         * config/i386/darwin-libgcc.10.5.ver: New.
5323         * config/i386/t-darwin: New.
5324         * config/rs6000/darwin-libgcc.10.4.ver: New.
5325         * config/rs6000/darwin-libgcc.10.5.ver: New.
5326         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5327         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5328
5329 2005-09-28  Paul Brook  <paul@codesourcery.com>
5330
5331         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5332         denormals.
5333
5334 2005-09-28  Richard Guenther  <rguenther@suse.de>
5335
5336         PR tree-optimization/23853
5337         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5338         host_integerp to verify misalignment value.
5339
5340 2005-09-28  Richard Henderson  <rth@redhat.com>
5341
5342         * builtins.c (get_builtin_sync_mode): New.
5343         (expand_builtin_sync_operation): Pass in mode argument.
5344         (expand_builtin_compare_and_swap): Likewise.
5345         (expand_builtin_lock_test_and_set): Likewise.
5346         (expand_builtin_lock_release): Likewise.
5347         (expand_builtin): Update to match.
5348
5349 2005-09-28  Nick Clifton  <nickc@redhat.com>
5350
5351         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5352         formatting.  Add check to PLUS case to ensure that the offset is
5353         within an acceptable range.
5354
5355         * config/v850/v850.md (casesi): Disable the generation of the
5356         switch pattern as it is not being handled properly at the moment.
5357
5358         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5359         for when the high words are identical.
5360
5361 2005-09-27  Richard Henderson  <rth@redhat.com>
5362
5363         * pretty-print.c (pp_base_format): Fix typo for %>.
5364
5365 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5366             Devang Patel  <dpatel@apple.com>
5367
5368         PR tree-optimization/23625
5369         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5370         LABEL_EXPR, assertion check.
5371
5372 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5373
5374         * optabs.c (no_conflict_move_test): Check if a result of a
5375         to-be-moved insn would be clobbered by an originally
5376         preceding insn.
5377
5378 2005-09-27  Jeff Law  <law@redhat.com>
5379
5380         * passes.c (init_optimization_passes): Replace copy propagation
5381         passes immediately after DOM with phi-only copy propagation
5382         pases.  Add phi-only copy propagation pass after first DOM pass.
5383         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5384         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5385         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5386         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5387         to init_copy_prop.  Callers updated.
5388         (do_phi_only_copy_prop): New function.
5389         (pass_phi_only_copy_prop): New pass descriptor.
5390
5391 2005-09-27  Nick Clifton  <nickc@redhat.com>
5392
5393         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5394
5395 2005-09-26  Jason Merrill  <jason@redhat.com>
5396
5397         PR c++/13764
5398         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5399
5400         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5401
5402 2005-09-26  James E Wilson  <wilson@specifix.com>
5403
5404         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5405         copyright.  Add gcc copyright plus libgcc exception.
5406         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5407         copyright.
5408         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5409
5410 2005-09-26  Jeff Law  <law@redhat.com>
5411
5412         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5413         about when to iterate.
5414
5415 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5416
5417         PR target/23847
5418         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5419         for __complex__ double in -mcpu=G5 mode.
5420
5421 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5422
5423         PR tree-optimization/23942
5424         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5425         * tree-scalar-evolution.c: Include params.h.
5426         (t_bool): New enum.
5427         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5428         follow_ssa_edge_in_condition_phi_branch,
5429         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5430         Change return type to t_bool.  Use a parameter to limit the size of
5431         trees that are walked before stopping
5432         (analyze_evolution_in_loop): Initialize the limit to 0.
5433         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5434         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5435
5436 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5437
5438         PR middle-end/23831
5439         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5440         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5441
5442 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5443
5444         * combine.c (make_extraction): Check for valid use of subreg.
5445
5446 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5447
5448         PR target/24055
5449         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5450         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5451         ("fist<mode>2_with_temp"): Use only register operands.
5452
5453 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5454
5455         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5456         CALL_INSN_FUNCTION_USAGE.
5457
5458 2005-09-26  Richard Guenther  <rguenther@suse.de>
5459
5460         PR middle-end/15855
5461         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5462         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5463         (ldst_entry): Use the hashtable instead of list-walking.
5464         (find_rtx_in_ldst): Likewise.
5465         (free_ldst_entry): Free the hashtable.
5466         (compute_ld_motion_mems): Create the hashtable.
5467         (trim_ld_motion_mems): Remove entry from hashtable if
5468         removing it from list.
5469         (compute_store_table): Likewise^2.
5470         (store_motion): Free hashtable in case we did not see
5471         any stores.
5472
5473 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5474
5475         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5476         and arg1 if we are passing them to fold_build2.
5477
5478 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5479
5480         PR 23828
5481         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5482         a nested function.
5483
5484 2005-09-25  Richard Henderson  <rth@redhat.com>
5485
5486         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5487         SYMBOL_REF_TLS_MODEL to be correct.
5488
5489 2005-09-24  Richard Henderson  <rth@redhat.com>
5490
5491         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5492         end of function.  Reindent.
5493
5494 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5495
5496         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5497         NEGATE_EXPR/BIT_NOT_EXPR case.
5498
5499 2005-09-24  Richard Henderson  <rth@redhat.com>
5500
5501         * c-common.c (handle_mode_attribute): When not modifying in place,
5502         create subtypes for enumerations.
5503         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5504         * gimplify.c (create_tmp_from_val): Likewise.
5505
5506 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5507
5508         * config/i386/i386.md (*tls_global_dynamic_64,
5509         *tls_local_dynamic_base_64): Add missing mode to call.
5510         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5511
5512 2005-09-24  Jan Hubicka  <jh@suse.cz>
5513
5514         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5515         (cgraph_clone_node): Likewise.
5516         * cgraph.h (cgraph_clone_edge): Update prototype.
5517         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5518         duplicated prototypes; add updating argument.
5519         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5520         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5521         updating profile.
5522         (cgraph_mark_inline_edge): Likewise.
5523         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5524         (cgraph_flatten_node): Likewise.
5525         (cgraph_decide_recursive_inlining): Likewise.
5526         (cgraph_decide_inlining_of_small_function): Likewise.
5527         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5528
5529 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5530             Pete Steinmetz <steinmtz@us.ibm.com>
5531
5532         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5533         (rldic.): Set type to "compare".
5534         (rldicr.): Same.
5535         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5536         mfjmpr for MFCTR/MFLR.
5537         (movdf_hardfloat64): Same.
5538         (movdf_softfloat64): Same.  Correct order of store and move types.
5539         (movti_string): Set type to store_ux/load_ux.
5540         (load_multiple): Set type to load_ux.
5541         (store_multiple): Set type to store_ux.
5542         (movmemsi): Set type to store_ux.
5543         (output_cbranch direct_return): Set type to jmpreg.
5544         (stmw): Set type to store_ux.
5545         (lmw): Set type to load_ux.
5546         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5547         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5548         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5549         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5550         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5551         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5552         (rios1-fpstore): Increase latency to 3.
5553         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5554         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5555
5556 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5557             Andrew Pinski  <pinskia@physics.uc.edu>
5558
5559         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5560         operand2 constraint to "b".
5561         (sync_<fetchop_name>di_internal): Same.
5562         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5563         to "b".
5564         (sync_old_<fetchop_name>di_internal): Same.
5565         (sync_new_<fetchop_name>si_internal): Same.
5566         (sync_new_<fetchop_name>di_internal): Same.
5567
5568 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5569
5570         PR middle-end/23991
5571         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5572         case, define as macros.
5573
5574         PR rtl-optimization/23837
5575         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5576         clobber / clobber match between dest and p->first.
5577
5578         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5579         (no_conflict_move_test): Update comments.
5580
5581 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5582
5583         * doc/install.texi: Update URL for Jacks.
5584         * doc/sourcebuild.texi: Likewise.
5585
5586 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5587
5588         PR target/24007
5589         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5590         registers when choosing register preferences.
5591         (movdf_hardfloat64): Same.
5592
5593 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5594
5595         * expmed.c (expand_shift): Don't use the target of the rotate as
5596         target for the first expanded shift insn.
5597         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5598
5599 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5600
5601         PR tree-optimization/22438
5602         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5603         preserved iv rhs rewriting specially.
5604
5605 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5606
5607         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5608         estimate_only  is true.
5609         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5610         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5611         tree-ssa-structalias.c
5612         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5613         ref_contains_indirect_ref.
5614         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5615
5616 2005-09-21  DJ Delorie  <dj@redhat.com>
5617
5618         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5619         MASK_PTR_A0D0.
5620         (mn10300_return_in_memory): Support variable size types also.
5621         (mn10300_pass_by_reference): Likewise.
5622         (mn10300_function_value): New.
5623         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5624         (FUNCTION_OUTGOING_VALUE): Likewise.
5625         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5626         * doc/invoke.texi: Document it.
5627
5628 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5629
5630         PR target/22585
5631         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5632         force integer op1 into register for XFmode compares.
5633
5634 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5635
5636         PR middle-end/23971
5637         * expmed.c (alg_code): Add alg_impossible.
5638         (alg_hash_entry): Add cost.
5639         (synth_mult): Record alg_impossible in the hash table if
5640         multiplication by a given integer is impossble within the
5641         limit.  Speed up using alg_impossible.
5642
5643 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5644
5645         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5646         argument.  Allow and set any offset if needs_anyoffset is passed
5647         in.
5648         (get_constraint_for): Add argument here too.
5649         Pass it down.
5650         (do_structure_copy): Pass NULL to get_constraint_for.
5651         (handle_ptr_arith): Ditto.
5652         (find_func_aliases): Ditto.
5653
5654 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5655
5656         PR rtl-optimization/23898
5657         * output.h (get_attr_min_length): Declare.
5658         * final.c (get_attr_length_1): New function, broken out of:
5659         (get_attr_length).
5660         (get_attr_min_length): New function.
5661         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5662         (duplicate_computed_gotos): Likewise.
5663         * genattr.c (insn_min_length): Generate declaration.
5664         * genattrtab.c (min_fn, min_attr_value): New functions.
5665         (make_length_attrs): Generate insn_min_length.
5666
5667 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5668
5669         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5670
5671 2005-09-20  Richard Henderson  <rth@redhat.com>
5672
5673         PR tree-optimization/24059
5674         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5675         EXPAND_STACK_PARM.
5676
5677 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5678
5679         * c.opt (fextended-identifiers): New.
5680         * c-opts.c (c_common_handle_option): Handle
5681         -fextended-identifiers.
5682         * doc/cpp.texi: Update documentation of extended identifiers.
5683         * doc/cppopts.texi (-fextended-identifiers): Document.
5684
5685 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5686
5687         PR tree-optimization/23929
5688         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5689         if expr is NULL.
5690
5691         PR tree-optimization/23818
5692         * tree-stdarg.c (execute_optimize_stdarg): Call
5693         calculate_dominance_info.
5694
5695 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5696
5697         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5698         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5699         (compute_overlap_steps_for_affine_1_2): Use
5700         get_number_of_iters_for_loop.
5701         (analyze_subscript_affine_affine): Check whether difference is
5702         zero first.
5703         Use get_number_of_iters_for_loop.
5704         Check whether overlap occurs outside of bounds.
5705         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5706
5707 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5708
5709         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5710         base register if possible.
5711
5712 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5713
5714         PR tree-optimization/18463
5715         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5716         converting it directly is not possible.
5717         (chrec_convert_aggressive): New function.
5718         * tree-chrec.h (chrec_convert_aggressive): Declare.
5719         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5720         Fold chrec conversions aggressively if asked to.
5721         (instantiate_parameters): Modified because of changes in
5722         instantiate_parameters_1.
5723
5724 2005-09-19  Richard Henderson  <rth@redhat.com>
5725
5726         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5727         (reduc_splus_v2df): New.
5728
5729 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5730
5731         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5732         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5733
5734 2005-09-19  Richard Henderson  <rth@redhat.com>
5735
5736         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5737         vcondu<SSEMODE12>.
5738
5739 2005-09-19  Richard Henderson  <rth@redhat.com>
5740
5741         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5742         (ia64_expand_dot_prod_v8qi): New.
5743         * config/ia64/ia64-protos.h: Update.
5744         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5745         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5746         sdot_prodv8qi, sdot_prodv4hi): New.
5747         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5748
5749 2005-09-19  Richard Henderson  <rth@redhat.com>
5750
5751         PR 23941
5752         * real.c (exact_real_truncate): Return false if the format cannot
5753         represent the number as a normal.
5754
5755         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5756         for a memory source.
5757
5758 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5759
5760         * tree-ssa-operands.c (swap_tree_operands): Export.
5761         * tree.h (swap_tree_operands): Declare.
5762         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5763         Call swap_tree_operands.
5764
5765 2005-09-19  Richard Henderson  <rth@redhat.com>
5766
5767         * tree-flow.h (merge_alias_info): Declare.
5768         * tree-ssa-copy.c (merge_alias_info): Export.
5769         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5770         (vect_create_data_ref_ptr): Use create_iv directly.
5771         (vectorizable_load): Use correct types for integer constants.
5772         (vect_generate_tmps_on_preheader): Likewise.
5773         (vect_gen_niters_for_prolog_loop): Likewise.
5774
5775 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5776
5777         PR rtl-optimization/23943
5778         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5779
5780 2005-09-18  Jan Hubicka  <jh@suse.cz>
5781
5782         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5783
5784 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5785
5786         * varasm.c (output_constant): Do not abort on conversions to union
5787         types between different sizes.
5788
5789 2005-09-18  Richard Guenther  <rguenther@suse.de>
5790
5791         PR middle-end/23944
5792         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5793         fallback.
5794
5795 2005-09-18  Paul Brook  <paul@codesourcery.com>
5796
5797         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5798
5799 2005-09-17  Richard Henderson  <rth@redhat.com>
5800
5801         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5802         * tree-ssa-loop.c (pass_vect_dce): Remove.
5803         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5804         of pass_vectorize.
5805
5806 2005-09-17  Richard Henderson  <rth@redhat.com>
5807
5808         * tree-pass.h (pass_vect_dce): Declare.
5809         * passes.c (init_optimization_passes): Add it.
5810         * tree-flow.h (tree_ssa_dce): Declare.
5811         * tree-ssa-dce.c (tree_ssa_dce): Export.
5812         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5813         (gate_tree_vectorize): ... here.
5814         (pass_vect_dce): New.
5815
5816 2005-09-17  Jan Hubicka  <jh@suse.cz>
5817
5818         * except.c (struct eh_status): Turn region_array into vec.
5819         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5820         convert_from_eh_region_ranges, find_exception_handler_labels,
5821         current_function_has_exception_handlers, assign_filter_values,
5822         build_post_landing_pads, dw2_build_landing_pads,
5823         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5824         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5825         foreach_reachable_handler, can_throw_internal_1,
5826         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5827         region_array.
5828         (duplicate_eh_region_1): Update region_array.
5829         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5830
5831 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5832
5833         PR middle-end/22067
5834         * expmed.c (expand_mult): Substitute simple register for op0 when
5835         computing max_cost.
5836
5837 2005-09-17  Richard Henderson  <rth@redhat.com>
5838
5839         * expr.c (emit_move_via_integer): Add force argument, pass it on
5840         to emit_move_change_mode.  Update callers.
5841         (emit_move_complex): Pass true to new force argument.
5842         * function.c (expand_function_end): Move expand_eh_return call
5843         earlier.  Merge sub-word complex values into a pseudo before
5844         copying to the return hard register.
5845
5846 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5847
5848         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5849         between different sizes.
5850
5851 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5852
5853         PR 23903
5854
5855         * passes.c (init_optimization_passes): Register dump files for
5856         IPA passes first.
5857
5858 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5859
5860         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5861         * config/s390/s390.c (s390_overlap_p): New function.
5862         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5863         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5864         condition.
5865
5866 2005-09-16  Richard Guenther  <rguenther@suse.de>
5867
5868         * ipa-pure-const.c (static_execute): Free auxiliar information.
5869         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5870         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5871
5872 2005-09-15  DJ Delorie  <dj@redhat.com>
5873
5874         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5875
5876 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5877
5878         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5879         to order operands.
5880         (swap_commutative_operands_with_target): New.
5881
5882 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5883
5884         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5885         parameter.
5886         Update callers.
5887         (estimate_iters_using_array): New function.
5888         * tree-data-ref.h (estimate_iters_using_array): Prototype
5889         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5890         Use estimate_iters_using_array instead of analyze_array.
5891
5892 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5893
5894         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5895         as addressable.
5896
5897 2005-09-15  Michael Matz  <matz@suse.de>
5898
5899         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5900
5901 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5902
5903         PR tree-optimization/23835
5904         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5905         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5906
5907 2005-09-14  Richard Henderson  <rth@redhat.com>
5908
5909         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5910         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5911
5912 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5913
5914         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5915         in the ARRAY_TYPE case.
5916
5917 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5918
5919         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5920
5921 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5922
5923         PR middle-end/22480
5924         * tree-vect-transform.c (vectorizable_operation): Return false for
5925         scalar shift operations and for vector shift operations with
5926         non-invariant shift arguments.  Use scalar tree operand op1 as
5927         a shift operand when vector shift insn pattern uses scalar shift
5928         operand.
5929         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5930
5931 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5932
5933         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5934         value if it has side-effects.
5935
5936 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5937
5938         PR target/22068
5939         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5940
5941 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5942
5943         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5944         passed as NAME as if it were label at start of function code.
5945
5946 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5947
5948         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5949         the constraints.
5950
5951 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5952
5953         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5954         as early clobber.  Rewrite so the PIC register is not implicitly used.
5955
5956 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5957
5958         * tree.c (annotate_with_file_line): Compare line numbers before
5959         file names.
5960
5961 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5962
5963         PR target/23816
5964         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5965         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5966
5967 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5968
5969         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5970         than a HOST_WIDEST_INT to gen_doloop_begin.
5971
5972 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5973
5974         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5975
5976 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5977
5978         PR tree-optimize/23817
5979         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5980
5981 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5982
5983         PR target/23774
5984         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5985         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5986         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5987         (restore_stack_nonlocal): Likewise.
5988         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5989
5990 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5991
5992         PR g++/7874
5993         * c.opt (ffriend-injection): New C++ option.
5994         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5995         (C++ Dialect Options): Document -ffriend-injection.
5996
5997 2005-09-12  Josh Conner  <jconner@apple.com>
5998
5999         PR middle-end/23237
6000         * ipa-reference.c (static_execute): Don't mark variables in
6001         named sections TREE_READONLY.
6002
6003 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6004
6005         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6006         stack_tie.
6007
6008 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6009
6010         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6011         V_MUST_DEF instead of just the first_use_p.
6012         Don't mark the virtual variables for renaming on the statement which
6013         is being removed.
6014         (pass_dse): Remove TODO_update_ssa.
6015
6016 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6017
6018         PR middle-end/23290
6019         * stor-layout.c (compute_record_mode): For records with a single
6020         field, actually check the field's mode size against the type size.
6021
6022         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6023         registers for TARGET_SHMEDIA.
6024         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6025         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6026         of GENERAL_REGS and FP_REGS.
6027
6028 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6029
6030         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6031
6032 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6033
6034         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6035         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6036         are omitted.  Exclude stack_tie insn too.
6037
6038 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6039
6040         PR rtl-optimization/23098
6041         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6042         0.0f is easy.
6043         * config/rs6000/rs6000.md (movdf splitter): Use
6044         const_double_operand predicate for TARGET_POWERPC64.
6045         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6046         SYMBOL_REF method to ABI_V4.
6047
6048         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6049         replace_equiv_address.
6050         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6051         rs6000_sr_alias_set and MEM_NOTRAP.
6052         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6053
6054 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6055
6056         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6057         handle CALL_EXPR again.
6058
6059 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6060
6061         * arm/predicates.md (alignable_memory_operand): Delete.
6062
6063 2005-09-10  Richard Henderson  <rth@redhat.com>
6064
6065         PR debug/23806
6066         * dbxout.c (dbxout_expand_expr): New.
6067         (dbxout_symbol): Use it.
6068
6069 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6070
6071         * arm.c (arm_gen_rotated_half_load): Delete.
6072         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6073         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6074         (thumb_set_return_address): Likewise.
6075         (thumb_load_double_from_address): Use adjust_address.
6076         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6077         (extendhsisi2_mem, movhi_bytes): Use change_address.
6078         (movhi): Use widen_memory_access.
6079         (reload_out_df): Use replace_equiv_address.
6080         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6081
6082 2005-09-09  Richard Henderson  <rth@redhat.com>
6083
6084         PR debug/20998
6085         * dbxout.c: Include expr.h.
6086         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6087         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6088         * Makefile.in (dbxout.o): Add EXPR_H.
6089
6090 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6091
6092         PR tree-optimization/23509
6093         * tree-cfg.c (replace_uses_by): Use replace_exp.
6094         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6095         pointers have name_mem_tag or type_mem_tag set.
6096
6097 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6098
6099         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6100         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6101         of wrongly accessing operands.
6102
6103 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6104
6105         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6106         * tree-chrec.c: Include tree-scalar-evolution.h.
6107         (chrec_convert): Instantiate the base and step before calling
6108         scev_probably_wraps_p that would fail on parametric evolutions.
6109         Collect all the fails into a single section failed_to_convert,
6110         print a diagnostic, and return chrec_dont_know instead of calling
6111         fold_convert.
6112         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6113         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6114         phi nodes.
6115         (scev_const_prop): Don't replace the definition of a loop closed ssa
6116         phi node by itself, or by another loop closed ssa phi node.
6117         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6118         that base and step are defined.
6119
6120 2005-09-09  Richard Guenther  <rguenther@suse.de>
6121
6122         PR c++/23624
6123         * fold-const.c (fold_ternary): Check truth_value_p before
6124         calling invert_truthvalue.
6125
6126 2005-09-09  Nick Clifton  <nickc@redhat.com>
6127
6128         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6129         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6130         dimension of these arrays.
6131         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6132         these arrays.
6133         * longlong.h: Only provide a prototype for the __clz_tab[] array
6134         if this header has not been included from libgcc2.h.
6135         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6136         defining own types.
6137         Provide prototypes for exported functions.
6138         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6139         libgcc2.c.
6140
6141 2005-09-08  Josh Conner  <jconner@apple.com>
6142
6143         PR c++/21135
6144         PR c++/23180
6145         * expr.c (expand_expr_addr_expr_1): Don't invoke
6146         expand_simple_binop for EXPAND_INITIALIZER.
6147
6148 2005-09-08  Richard Henderson  <rth@redhat.com>
6149
6150         PR debug/23190
6151         * toplev.c (wrapup_global_declaration_1): Split out ...
6152         (wrapup_global_declaration_2): ... from ...
6153         (wrapup_global_declarations): ... here.  Return bool.
6154         (check_global_declaration_1): Split out ...
6155         (check_global_declarations): from here.
6156         (emit_debug_global_declarations): New.
6157         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6158         check_global_declaration_1, emit_debug_global_declarations): Declare.
6159         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6160         of decls.  Call wrapup_global_declaration_1,
6161         wrapup_global_declaration_2, check_global_declaration_1 directly.
6162         (c_write_global_declarations_2): New.
6163         (ext_block): New.
6164         (c_write_global_declarations): Call c_write_global_declarations_2.
6165         * langhooks.c (write_global_declarations): Call
6166         emit_debug_global_declarations.
6167
6168         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6169         remove decls that have DECL_RTL_SET_P.
6170         * passes.c (rest_of_decl_compilation): Invoke
6171         cgraph_varpool_finalize_decl for all but functions.
6172
6173 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6174
6175         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6176         the result of a conversion if the new min and max cannot be compared.
6177
6178 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6179
6180         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6181         (override_options): Setting s390_sr_alias_set removed.
6182         (save_fpr, save_gprs): Set alias set to vararg or frame.
6183         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6184         s390_sr_alias_set with get_frame_alias_set ().
6185         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6186         get_varargs_alias_set ().
6187
6188 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6189
6190         PR objc/20574
6191         PR objc/19324
6192         * c-parser.c (c_parser_objc_method_definition): If the next
6193         token is not "{", error out and don't start the function.
6194
6195 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6196
6197         * tree-vrp.c (extract_range_from_expr): Move the check for non
6198         nullness after the check for gimple invariant.
6199
6200 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6201
6202         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6203
6204 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6205
6206         PR target/23747
6207         * config/m32r.md (movmemsi_internal): Canonicalize order of
6208         operands in PLUS component of template.
6209
6210 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6211
6212         * reload1.c (fixup_eh_region_note): Remove assertion.
6213         (fixup_abnormal_edges): Reverted removal of call to
6214         find_many_sub_basic_blocks made on 2005-08-31.
6215
6216 2005-09-07  Richard Henderson  <rth@redhat.com>
6217
6218         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6219         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6220         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6221         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6222         rearrange for better packing.
6223         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6224         (lookup_cfa_1): Remove inline marker.
6225         (cfa_equal_p): Split out of ...
6226         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6227         (build_cfa_loc): Handle !cfa->indirect.
6228         (frame_pointer_cfa_offset): New.
6229         (dbx_reg_number): Assert register elimination performed; do
6230         leaf register remapping.
6231         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6232         (eliminate_reg_to_offset): New.
6233         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6234         for verifiably local stack frame addresses; re-base to CFA.
6235         (mem_loc_descriptor): Remove can_use_fbreg argument.
6236         (concat_loc_descriptor, loc_descriptor): Likewise.
6237         (containing_function_has_frame_base): Remove.
6238         (rtl_for_decl_location): Don't do register elimination or
6239         leaf register remapping here.
6240         (secname_for_decl): Split out from ..
6241         (add_location_or_const_value_attribute): ... here.
6242         (convert_cfa_to_loc_list): New.
6243         (compute_frame_pointer_to_cfa_displacement): New.
6244         (gen_subprogram_die): Use them.
6245         * tree.h (frame_base_decl): Remove.
6246         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6247         (prologue_stack_adjust): Remove.
6248         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6249         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6250         (set_frame_base_location): Remove.
6251         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6252         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6253         (vt_add_function_parameters): Don't eliminate_regs.
6254         (vt_initialize): Don't create frame_base_decl.
6255
6256 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6257
6258         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6259         version of GNU binutils for 4.x and later.
6260
6261 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6262
6263         * ggc-page.c (ggc_push_context): Remove.
6264         (ggc_pop_context): Likewise.
6265         * ggc.h (ggc_push_context): Remove.
6266         (ggc_pop_context): Likewise.
6267
6268 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6269
6270         PR target/8973
6271         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6272         returning from an interrupt handler.
6273
6274 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6275
6276         PR target/8972
6277         * config/arc/arc.c (output_shift): Add check for loop count when
6278         optimizing.
6279
6280 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6281
6282         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6283         form manually.
6284         (abs_replacement): Likewise.
6285         (pass_phiopt): Remove TODO_update_ssa.
6286
6287 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6288
6289         PR c/23075
6290         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6291         if "return with no value, in function returning non-void" warning
6292         has been issued.
6293         * tree-cfg.c (execute_warn_function_return): Don't look at
6294         RETURN_EXPRs with TREE_NO_WARNING set.
6295
6296         PR target/22362
6297         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6298         for internal functions doesn't use registers used by global registers
6299         variables.  Use fewer register parameters if there are global register
6300         variables.
6301
6302 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6303             Eric Botcazou  <ebotcazou@adacore.com>
6304
6305         PR middle-end/14997
6306         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6307         when we would be extracting outside its bit span (bitpos+bitsize
6308         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6309         Ada unchecked conversions.
6310
6311 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6312
6313         * tree-ssa-pre.c (try_look_through_load): New function.
6314         (compute_avail): Use it to try to look through loads for some
6315         more useful expressions.
6316
6317 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6318
6319         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6320         condition for detecting cases like (a&a) and (a^a).
6321
6322 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6323
6324         * common.opt: Add option ftree-vect-loop-version.
6325         * params.def: Add --param vect-max-version-checks.
6326         * doc/invoke.texi: Document ftree-vect-loop-version and
6327         --param vect-max-version-checks.
6328         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6329         may_misalign_stmts and defines for accessors.
6330         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6331         LOOP_VINFO_MAY_MISALIGN_STMTS.
6332         (destroy_loop_vec_info): VEC_free for
6333         LOOP_VINFO_MAY_MISALIGN_STMTS.
6334         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6335         Update documentation.
6336         (vect_update_misalignment_for_peel): New.
6337         (vect_enhance_data_refs_alignment): Update to choose loop
6338         peeling or loop versioning if appropriate for the (potentially)
6339         unaligned data references in the loop.
6340         (vect_analyze_data_refs_alignment): Remove call to
6341         vect_enhance_data_refs_alignment so the checks can be done
6342         earlier.
6343         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6344         and move up call to vect_analyze_data_refs_alignment.
6345         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6346         (vect_transform_loop): Add call to loop_version.
6347
6348 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR rtl-optimization/23098
6351         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6352         * simplify-rtx.c (constant_pool_reference_p): New function.
6353         * rtl.h (constant_pool_reference_p): New prototype.
6354         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6355         constant_pool_reference_p in condition and
6356         avoid_constant_pool_reference in preparation statements.
6357
6358 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6359
6360         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6361         STRICT_LOW_PART SETs.
6362
6363 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6364
6365         PR middle-end/21460
6366         * except.c (sjlj_emit_function_enter): Find the function begin
6367         note even when it's not in first basic block.
6368
6369 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6370
6371         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6372         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6373         * aclocal.m4: Regenerate.
6374
6375 2005-09-05  DJ Delorie  <dj@redhat.com>
6376
6377         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6378         of macro.
6379
6380 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6381
6382         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6383         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6384         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6385         Follow spelling conventions.
6386         * doc/invoke.texi: Follow spelling conventions.
6387
6388 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6389
6390         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6391         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6392         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6393
6394 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6395
6396         PR target/23683
6397         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6398         (output_stack_adjust): Use gen_tmp_stack_mem.
6399         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6400         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6401         (sh_get_pr_initial_val): Likewise.
6402         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6403         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6404         * sh.md (divsi_inv_m0): Use gen_const_mem.
6405         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6406         (movdf_i4+1): Use gen_tmp_stack_mem.
6407         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6408         (fpu_switch+2): Likewise.
6409         (movv4sf_i, movv16sf_i): Use adjust_address.
6410         (symGOT_load): Set MEM_NOTRAP_P bit.
6411
6412 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6413
6414         PR target/23721
6415         * pa.c (emit_move_sequence): Fix typo in last change.
6416
6417 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6418
6419         PR rtl-optimization/23454
6420         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6421         is true.
6422
6423 2005-09-03  Richard Henderson  <rth@redhat.com>
6424             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6425
6426         PR middle-end/23671
6427         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6428         gen_rtx_MEM.
6429
6430 2005-09-02  Nicolas Pitre <nico@cam.org>
6431
6432         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6433         to bit_count to 32 bits.
6434
6435 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6436
6437         PR c++/23167
6438         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6439         generating synthetic loads from volatile lvalues.
6440
6441 005-09-02  Nick Clifton  <nickc@redhat.com>
6442
6443         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6444         __ctzhi2, __clzhi2): New functions.
6445
6446 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6447
6448         PR middle-end/23547
6449         * tree-nested.c (struct var_map_elt): Mark with GTY.
6450         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6451         var_map_elt.
6452         (lookup_field_for_decl): Allocate new element in GC memory.
6453         (lookup_tramp_for_decl): Likewise.
6454         (convert_nl_goto_reference): Likewise
6455         (create_nesting_tree): Allocate info in GC memory. Likewise for
6456         info->var_map.
6457         (free_nesting_tree): Free with ggc_free instead of free.
6458         (root): New static variable.
6459         (lower_nested_functions): Remove root as local variable.  And zero out
6460         root at the end of the function.
6461
6462 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6463
6464         PR rtl-optimization/20365
6465         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6466         to short.  New member ix.
6467         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6468         (simplify_plus_minus): Initialize ix members before calling qsort.
6469
6470 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6471
6472         PR tree-optimization/23626
6473         * tree-cfg.c (replace_uses_by): Clean up eh info.
6474
6475 2005-09-01  DJ Delorie  <dj@redhat.com>
6476
6477         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6478         fprintf.
6479
6480 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6481
6482         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6483         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6484         gen_rtx_MEM.
6485
6486 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6487
6488         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6489         do not issue warning for a variable definition following
6490         a declaration.
6491
6492 2005-09-01  Richard Henderson  <rth@redhat.com>
6493
6494         PR 23668
6495         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6496         conversion to CONST_VECTOR.
6497
6498 2005-09-01  Richard Henderson  <rth@redhat.com>
6499
6500         PR 23676
6501         * reload1.c (reload_as_needed): Check !CALL_P before calling
6502         fixup_eh_region_note.
6503         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6504
6505 2005-09-01  DJ Delorie  <dj@redhat.com>
6506
6507         * varasm.c (output_constant): Let the target resolve
6508         conversions of addresses to non-default pointer sizes.
6509
6510 2005-09-01  Nicolas Pitre <nico@cam.org>
6511
6512         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6513         to alow matching ARM pre-indexed addressing mode.
6514         (arm_override_options): Remove now irrelevant comment.
6515
6516 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6517
6518         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6519         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6520         * config/i386/vxworks.h:  Likewise.
6521         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6522         * config/i386/vxworksae.h:  Likewise.
6523
6524 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6525
6526         PR tree-optimization/23410
6527         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6528         sequence is not wrapping during the first step.
6529
6530 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6531
6532         PR debug/7241
6533         * dwarf2out.c (base_type_die): Compare char_type_node with
6534         TYPE_MAIN_VARIANT (type), not type.
6535
6536 2005-09-01  Richard Guenther  <rguenther@suse.de>
6537
6538         PR tree-optimization/15366
6539         * common.opt: Add -finline-functions-called-once.
6540         Put -fearly-inlining in alphabetically ordered place.
6541         * doc/invoke.texi: Document new option.
6542         * ipa-inline.c (cgraph_decide_inlining): Honour
6543         flag_inline_functions_called_once.
6544
6545 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6546
6547         PR rtl-optimization/23478
6548         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6549         (alloc_qty): Initialize it.
6550         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6551         (combine_regs): Combine also n_throwing_calls_crossed fields.
6552         (find_free_reg): Don't attempt to caller-save pseudos crossing
6553         calls that might throw.
6554         * global.c (struct allocno): Add throwing_calls_crossed field.
6555         (global_alloc): Revert 2005-08-22 change.  Initialize
6556         throwing_calls_crossed.
6557         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6558         might throw.
6559
6560 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6561
6562         PR target/23649
6563         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6564         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6565         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6566         (and64_2_operand): Tweak to use predicate.
6567         (and_operand): Adjust for mask_operand changes.
6568         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6569         (print_operand): Likewise.
6570         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6571         (mask64_1or2_operand): Delete.
6572         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6573         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6574         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6575         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6576         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6577         (rotldi3_internal4): Likewise.
6578         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6579         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6580         (ashldi3_internal7): Likewise.
6581         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6582         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6583         (anddi3 split): Don't match mask64_operand.
6584         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6585         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6586         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6587         't' splitter predicate.
6588         (movdi_internal64 + 2): Revert 2005-06-11 change.
6589
6590 2005-08-31  DJ Delorie  <dj@redhat.com>
6591
6592         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6593         (m32c_asm_integer): Add support for 32 bit pointers.
6594
6595 2005-08-31  Richard Henderson  <rth@redhat.com>
6596
6597         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6598         component-like references for setting MEM_NOTRAP_P.
6599
6600         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6601         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6602
6603 2005-08-31  Richard Henderson  <rth@redhat.com>
6604
6605         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6606         into a pseudo before applying gen_lowpart.
6607
6608 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6609
6610         * doc/install.texi (Specific): Update cctools version required
6611         for full functionality.
6612         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6613         linkers as -macosx_version_min.
6614
6615 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6616
6617         PR target/21255
6618         * sh.c (print_operand, %R and %S): Add handling of floating point
6619         registers, memory, constants and invalid operands.
6620
6621 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6622
6623         * ipa-pure-const.c: Change dump name.
6624
6625 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6626
6627         PR target/23570
6628         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6629         to "reg_or_0_operand".
6630         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6631
6632 2005-08-31  Dale Johannesen  <dalej@apple.com>
6633
6634         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6635         loops that count down.
6636
6637 2005-08-31  Richard Henderson  <rth@redhat.com>
6638
6639         PR rtl-opt/23601
6640         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6641         (fixup_eh_region_note): New.
6642         (reload_as_needed): Call it.
6643         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6644         don't call find_many_sub_basic_blocks; call verify_flow_info.
6645         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6646         (keep_stack_depressed): Likewise.
6647         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6648
6649 2005-08-31  Richard Henderson  <rth@redhat.com>
6650
6651         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6652         fp return matching.
6653
6654 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6655
6656         * expr.c (expand_expr_real_1): Compare size of address
6657         mode to target's address mode size in deciding expansion of
6658         the constant address.
6659
6660 2005-08-31  Richard Guenther  <rguenther@suse.de>
6661
6662         PR middle-end/23477
6663         * expr.c (all_zeros_p): New function.
6664         (expand_expr_real_1): Handle the case of an all-zero
6665         non-addressable constructor separately.
6666
6667 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6668
6669         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6670         arguments, adjust all callers.
6671         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6672
6673 2005-08-30  Richard Henderson  <rth@redhat.com>
6674
6675         PR target/23630
6676         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6677         whenever the mode sizes match.
6678
6679 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6680
6681         * calls.c (load_register_parameters): Fix comment typo.
6682         * expr.c (emit_push_insn): Comment formatting.
6683
6684 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6685
6686         * config/i386/x-cygwin (host-cygwin): Change dependency from
6687         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6688
6689 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6690
6691         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6692         parts of 'vals'.
6693
6694 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6695
6696         PR middle-end/23408
6697         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6698         call to ggc_collect.
6699
6700 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6701
6702         PR bootstrap/21268
6703         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6704         beginning.  Remove $(INCLUDES) from all the rules, if following
6705         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6706
6707 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6708
6709         PR middle-end/23484
6710         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6711         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6712         not constant, but maxlen is, don't set len to maxlen, rather
6713         set maxlen to len if len is a constant.
6714
6715 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6716
6717         PR tree-optimization/23475
6718         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6719         and counts.
6720
6721 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6722
6723         Fix PR middle-end/22455
6724
6725         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6726         Checksum only the parts of the tree that exist for the tree code.
6727
6728 2005-08-28  Dale Johannesen  <dalej@apple.com>
6729
6730         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6731
6732 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6733
6734         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6735
6736 2005-08-28  Richard Henderson  <rth@redhat.com>
6737
6738         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6739         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6740         of char_type_node.
6741
6742 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6743
6744         PR ada/23593
6745         * builtins.c (get_memory_rtx): Don't strip nops
6746         in between COMPONENT_REFs.
6747
6748 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6749
6750         PR middle-end/23463
6751         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6752         types.
6753         (gimplify_modify_expr): Check for zero sized types and gimplify the
6754         rhs and lhs as statements.
6755
6756 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6757
6758         PR libgcj/23508
6759         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6760         state for return address column of signal frames.
6761
6762 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6763
6764         PR target/23539
6765         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6766         bytes >= 2 not bytes == 2.
6767         (expand_block_move): Same.
6768
6769 2005-08-27  Richard Guenther  <rguenther@suse.de>
6770
6771         PR target/23575
6772         * config/i386/sse.md (sse2_movsd): Add missing closing
6773         braces.
6774
6775 2005-08-27  Paul Brook  <paul@codesourcery.com>
6776
6777         * genrecog.c (enum decision_type): Add DT_num_insns.
6778         (struct decision_test): Add u.num_insns.
6779         (add_to_sequence): Add DT_num_insns test.
6780         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6781         (write_cond, debug_decision_2): Ditto.
6782         (change_state): Assume peep2_next_insn never fails.
6783         Remove "afterward" argument.
6784         (write afterward, write_tree): Update to match.
6785         * recog.c (peep2_current_count): New variable.
6786         (peep2_next_insn): Check it.
6787         (peephole2_optimize): Set peep2_current_count.
6788         * recog.h (peep2_current_count): Declare.
6789
6790 2005-08-26  Josh Conner  <jconner@apple.com>
6791
6792         PR middle-end/23584
6793         * ipa-pure-const.c (check_tree): Check for volatile-ness
6794         when considering a dereference.
6795
6796 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6797
6798         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6799
6800 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6801
6802         PR rtl-optimization/23561
6803         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6804         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6805         at most LEN bytes long memory fits into the field.
6806         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6807         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6808         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6809
6810 2005-08-26  Richard Henderson  <rth@redhat.com>
6811
6812         PR rtl-opt/23560
6813         * loop.c (biased_biv_may_wrap_p): New.
6814         (maybe_eliminate_biv_1): Use it to suppress non-equality
6815         comparison transformations.  Delete disabled code.
6816
6817 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6818
6819         * combine.c (make_extraction): Avoid reference outside object.
6820
6821 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6822
6823         * stor-layout.c (finalize_type_size): Restore behaviour for
6824         non-aggregate types to the status quo ante of the patch for
6825         pr 23467.  Document why it matters.
6826
6827 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6828
6829         PR c/23506
6830         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6831         array by one element, initialize the BT_LAST element with NULL.
6832
6833 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6834
6835         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6836         optimizing for size.
6837         (plus_eqsi): Same.
6838         (compare_plus_eqsi): Same.
6839         (plus_eqsi_compare): Same.
6840         (neg_eq0<mode>): Same.
6841         (neg_eq<mode>): Same.
6842
6843         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6844         PROCESSOR_POWER4.
6845
6846 2005-08-26  Nick Clifton  <nickc@redhat.com>
6847
6848         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6849         TARGET_EP is not defined.
6850         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6851         TARGET_EP is enabled.
6852         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6853         * config/v850/v850.md (save_all_interrupt): Only use the EP
6854         register if TARGET_EP is defined.
6855         (restore_all_interrupt): Likewise.
6856         * config/v850/lib1funcs.asm: Update functions so that the EP
6857         register is only used if __EP__ is defined.
6858
6859 2005-08-26  David Ung  <davidu@mips.com>
6860
6861         * config/mips/mips.c (mips_expand_prologue): Handle case when
6862         generating for MIPS16 and the outgoing argument area is more than
6863         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6864         add instruction.
6865
6866 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6867
6868         * config/crx/crx.md: Make doloop_end pattern usage controllable
6869         via mloop-nesting=<max-nesting> command line switch. Make sure
6870         the combiner cannot use doloop_end_<mode> in an illegal way.
6871         * config/crx/crx.c: Use regs up to r6 for argument passing.
6872         Refine crx_address_cost (non cst4 displacements are expensive).
6873         * config/crx/crx.opt: Add switch for mloop-nesting=.
6874
6875 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6876
6877         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6878         (UNSPEC_MVST): New constant.
6879
6880 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6881
6882         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6883         Reject operands containing eliminable registers.
6884         * testsuite/gcc.dg/20050825-1.c: New testcase.
6885
6886 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6887             Jan Hubicka  <jh@suse.cz>
6888
6889         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6890
6891 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6892
6893         PR tree-optimization/23546
6894         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6895         and REAL_CST nodes.
6896
6897 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6898
6899         * params.def (PARAM_MIN_SPEC_PROB): New.
6900         * sched-rgn.c (MIN_PROBABILITY): Delete.
6901         (compute_trg_info): Convert to PARAM_VALUE.
6902         * doc/invoke.texi (param): Document min-spec-prob.
6903
6904 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6905
6906         * config/darwin.h: define __PIC__
6907         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6908         TARGET_OS_CPP_BUILTINS macro.
6909
6910 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6911
6912         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6913         yesterday.
6914
6915 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6916
6917         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6918         to duplicate_block.
6919         * cfghooks.c (duplicate_block): Added position where to place
6920         new block as argument.
6921         * cfghooks.h (duplicate_block): Declaration changed.
6922         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6923         duplicate_block.
6924         * cfglayout.h (copy_bbs): Declaration changed.
6925         * cfgloop.h (loop_version): Declaration changed.
6926         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6927         position to copy_bbs.
6928         (loop_version): Pass position to duplicate_loop_to_header_edge.
6929         Add place_after argument and position new blocks according to
6930         it.
6931         * modulo-sched.c (sms_schedule): Pass place_after argument
6932         to loop_version.
6933         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6934         * tree-cfg.c (split_edge_bb_loc): New function.
6935         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6936         to determine position of new blocks.
6937         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6938         to loop_version.
6939         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6940         argument to duplicate_block.
6941         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6942         Pass position to copy_bbs.
6943
6944 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6945
6946         * fold-const.c (ptr_difference_const): Use
6947         cst_and_fits_in_hwi instead of host_integerp.
6948
6949 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6950
6951         * config/darwin.c (gen_pic_offset): New.
6952         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6953         Use it.
6954
6955 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6956
6957         PR tree-optimization/23486
6958         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6959
6960 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6961
6962         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6963         remove use_collect2.
6964         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6965
6966         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6967         configuration files to override the default value.
6968
6969         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6970         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6971         * config/vx-common.h:  New file, split out from...
6972         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6973         * config/vxworksae.h:  New file, for VxWorks AE.
6974         * config/vxworks.opt:  New file.
6975         * config/vxlib.c:  Update for VxWorks 6.
6976
6977         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6978         other MULTILIB_* variables appropriately.
6979         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6980         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6981         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6982         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6983
6984 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6985
6986         PR target/20799
6987         * config/darwin.c (machopic_select_section): Remove the hack to
6988         mark "::operator new" and "::operator delete" for coalescing
6989         even though they are not weak.
6990
6991 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6992
6993         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6994         * configure: Regenerate.
6995
6996 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6997
6998         PR middle-end/23517
6999         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7000         between vectors.
7001         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7002         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7003         Likewise.
7004
7005 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7006
7007         * config/rs6000/predicates.md (equality_operator): New.
7008         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7009         comparison with a large constant.
7010
7011 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7012
7013         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7014
7015 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7016
7017         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7018         registers is even, and we have a hardware double precision fp,
7019         align the buffer.
7020         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7021         size of current argument when checking if argument was passed in
7022         registers.
7023
7024         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7025
7026         PR middle-end/23467
7027         * stor-layout.c (finalize_type_size): Dont override
7028         existing alignment with a smaller alignment from the mode.
7029
7030 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7031
7032         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7033         * lambda.h (lambda_vector_lexico_pos): ... here.
7034         * tree-data-ref.c (build_classic_dist_vector): Return false when
7035         the distance vector is lexicographically negative.
7036
7037 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7038
7039         PR tree-optimization/23511
7040         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7041         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7042
7043 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7044
7045         PR tree-optimization/22043
7046         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7047         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7048         If ALLOW_FLEXARR, handle types ending with flexible array member.
7049         Pass false as second argument to recursive count_type_elements calls.
7050         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7051         argument to count_type_elements call.
7052         * tree-sra.c (decide_block_copy): Likewise.
7053         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7054         for a constant-sized object, set cleared as well.  Pass true as
7055         second argument to count_type_elements call.
7056
7057 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7058
7059         PR target/21571
7060         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7061         from legitimate_small_data_p, and make global.  Update use.
7062         Remove forward declaration.
7063         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7064         Declare.
7065         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7066
7067 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7068
7069         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7070         of scratch intermediates.
7071         (eq<mode>_compare): Same.
7072         (neg_eq0<mode>): New.
7073         (neg_eq<mode>): Convert to define_insn_and_split.
7074
7075 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7076
7077         PR target/23070
7078         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7079         stdarg functions, set/clear the fp marker even when no variable
7080         args are passed.
7081         * config/rs6000/sysv4.opt (mprototype): Describe.
7082
7083 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7084
7085         PR rtl-optimization/23478
7086         * regs.h (reg_info): Add throw_calls_crossed.
7087         (REG_N_THROWING_CALLS_CROSSED): Define.
7088         * flow.c (allocate_reg_life_data): Initialize
7089         REG_N_THROWING_CALLS_CROSSED.
7090         (propagate_one_insn, attempt_auto_inc): Update
7091         REG_N_THROWING_CALLS_CROSSED.
7092         * global.c (global_alloc): Don't allocate pseudos across
7093         calls that may throw.
7094
7095 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7096
7097         PR c/18715
7098         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7099         value is inbetween the range if we did not find an exact match.
7100
7101 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7102
7103         * doc/invoke.texi (Option Summary): Add ms1 options.
7104         * doc/extend.texi: Document interrupt handler attribute for ms1.
7105         * doc/md.texi: Document ms1 constraints.
7106         * config.gcc: Add ms1-*-elf.
7107         * config/ms1/ms1.h: New.
7108         * config/ms1/ms1.c: New.
7109         * config/ms1/ms1.md: New.
7110         * config/ms1/ms1-protos.h: New.
7111         * config/ms1/ABI.txt: New.
7112         * config/ms1/crti.asm: New.
7113         * config/ms1/crtn.asm: New.
7114         * config/ms1/lib2extra-funcs.c: New.
7115         * config/ms1/t-ms1: New.
7116         * config/ms1/ms1.opt: New.
7117
7118 2005-08-22 Ira Rosen <irar@il.ibm.com>
7119
7120         * config/rs6000/altivec.md (xorv4sf3): New.
7121         (negv4sf2, neg<mode>2): Likewise.
7122
7123 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7124
7125         PR target/23485
7126         * config/ia64/ia64.md (divsi3): Check divide by zero.
7127         (udivsi3): Likewise.
7128         (divdi3): Likewise.
7129         (udivdi3): Likewise.
7130
7131 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7132
7133         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7134         up to elem_bitsize bits, not max_bitsize.
7135
7136 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7137
7138         PR tree-optimization/23433
7139         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7140         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7141
7142 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7143
7144         PR tree-optimization/23434
7145         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7146         the iteration bound is not an INTEGER_CST.
7147
7148 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7149
7150         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7151         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7152         NULL if need_epilog_adjust is false.
7153         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7154         Case 3 always peels first itration, not just for PLUS case, and no need
7155         to use scalar_initial_def here. Create an epilog adjustment only if
7156         scalar_initial_def is not NULL.
7157
7158         (vectorizable_reduction): Remove assert.
7159
7160 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7161
7162         PR target/23485
7163         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7164         (__moddi3): Likewise.
7165         (__udivdi3): Likewise.
7166         (__umoddi3): Likewise.
7167         (__divsi3): Likewise.
7168         (__modsi3): Likewise.
7169         (__udivsi3): Likewise.
7170         (__umodsi3): Likewise.
7171
7172 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7173
7174         * tree-pass.h (TDF_GRAPH): Define.
7175         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7176         * passes.c (finish_optimization_passes): Only call
7177         finish_graph_dump_file if TDF_GRAPH is set.
7178         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7179         NULL.  Set TDF_GRAPH bit.
7180         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7181
7182 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7183
7184         * arm.h (arm_stack_offsets): Add locals_base field.
7185         * arm.c (arm_get_frame_offsets): Compute it.
7186         (thumb_compute_initial_elimination offset): Make the Thumb frame
7187         pointer point to the base of the local variables.
7188         (thumb_expand_prologue): Update accordingly.
7189         (thumb_expand_epilogue): Likewise.
7190
7191         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7192         mode of clobbered scratch to DImode.  Handle a case that's known to
7193         need this.
7194
7195 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7196
7197         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7198         (gt0<mode>_compare): Delete.
7199         (neg_gt0<mode>): Delete.
7200
7201 2005-08-19  Eric Christopher  <echristo@apple.com>
7202
7203         * optabs.h: Change CTI_ to COI_.
7204         * optabs.c: Ditto.
7205
7206 2005-08-19  James E Wilson  <wilson@specifix.com>
7207
7208         * builtins.c (expand_builtin_return_addr): Set
7209         current_function_accesses_prior_frames when count != 0.  Use
7210         frame_pointer_rtx when count == 0.
7211         * function.h (struct function): Add accesses_prior_frames field.
7212         (current_function_accesses_prior_frames): Define.
7213         * reload1.c (init_elim_table): Check
7214         current_function_accesses_prior_frames.
7215         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7216
7217 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7218
7219         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7220         indicator.  Return true if the flowgraph changed during
7221         cleanup.
7222
7223 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7224
7225         PR 23476
7226         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7227         conditional expression before testing its value.
7228
7229 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7230
7231         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7232
7233 2005-08-19  Devang Patel  <dpatel@apple.com>
7234
7235         PR tree-optimization/23048
7236         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7237         third parameter. Check whether latch is dominated by exit
7238         block or not.
7239         (if_convertible_loop_p): Supply exit block itself to
7240         if_convertible_bb_p.
7241
7242 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7243
7244         PR target/23473
7245         * arm.md (arm_load_pic_register): Change argument to the mask of
7246         saved registers.  Call thumb_find_work_register if we need a
7247         scratch register on Thumb.
7248         (arm_expand_prologue): Pass empty register set to
7249         arm_load_pic_register.
7250         (thumb_expand_prologue): Pass live_regs_mask directly to
7251         arm_load_pic_register.
7252         * arm-protos.h (arm_load_pic_register): Update prototype.
7253
7254 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7255
7256         * sh.c (find_sole_member): New function.
7257         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7258         if the record's alignment is larger than the size of its only member.
7259
7260 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7261
7262         PR target/23436
7263         * arm.c (thumb_legitimize_reload_address): New function.
7264         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7265         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7266
7267 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7268
7269         * config/crx/crx.c: Implement crx_decompose_address. Reject
7270         symbolic displacements since CRX register relative adressing
7271         mode can't handle unsigned 32-bit values as displacements.
7272         * config/crx/crx.h: Simplify definitions, remove redundant
7273         parenthesis and obsolete macros.
7274         * config/crx/crx.opt: Add new switch for debugging addresses.
7275         * config/crx/crx-protos.h: Add new declarations for above.
7276
7277 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7278
7279         PR middle-end/20624
7280         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7281         looking past it.
7282
7283 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7284
7285         * collect2.c (dup2): Delete.
7286         * configure.ac: Don't check for dup2.
7287
7288         * config.in, configure: Regenerate.
7289
7290 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7291
7292         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7293         record with the type of its only member.
7294
7295 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7296
7297         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7298         define_insn_and_split.
7299         (plus_ltu<mode>_compare): Same.
7300         (gtu<mode>_compare): Same.
7301         (plus_gtu<mode>_compare): Same.
7302
7303 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7304
7305         PR tree-optimization/22228
7306         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7307         todo_flags_start.
7308         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7309         are recorded in vect_vnames_to_rename for renaming.
7310         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7311         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7312         in vect_vnames_to_rename.
7313         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7314         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7315
7316 2005-08-18  Jan Hubicka  <jh@suse.cz>
7317
7318         PR c++/22034
7319         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7320         info only for local statics, not for member variables.
7321
7322 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7323
7324         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7325
7326 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7327
7328         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7329
7330 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7331
7332         PR middle-end/16045
7333         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7334
7335 2005-08-17  James E Wilson  <wilson@specifix.com>
7336
7337         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7338         array size check.
7339
7340 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7341
7342         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7343         (leu<mode>_compare): Same.
7344         (plus_leu<mode>): Same.
7345         (neg_leu<mode>): Same.
7346         (and_neg_leu<mode): Same.
7347         (ltu<mode>_compare): Same.
7348         (plus_ltu<mode>): Same.
7349         (geu<mode>): Same.
7350         (geu<mode>_compare): Same.
7351         (plus_geu<mode>): Same.
7352         (neg_geu<mode>): Same.
7353         (and_neg_geu<mode>): Same.
7354         (plus_gt<mode>): Same.
7355         (gtu<mode>_compare): Same.
7356         (plus_gtu<mode>): Same.
7357
7358 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7359
7360         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7361         Move call_table_data to end.  Delete spurious .text.
7362         (callt_save_all_interrupt): Fix comment typo.
7363
7364 2005-08-17  James E Wilson  <wilson@specifix.com>
7365             Kevin Winchester  <winchester@amirix.com>
7366
7367         PR target/21684
7368         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7369
7370 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7371
7372         PR target/23268
7373         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7374         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7375
7376 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7377
7378         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7379         record with the type of its only member if the modes don't match.
7380
7381         * varasm.c (decode_reg_name): Skip empty additional register names.
7382
7383 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7384
7385         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7386         lsm_tmp_name_length): New.
7387         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7388         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7389
7390 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7391             Andreas Krebbel  <krebbel1@de.ibm.com>
7392
7393         * config.gcc: Added z9-109 switch.
7394         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7395         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7396         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7397         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7398         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7399         for "z9_109" cpu attribute.
7400         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7401         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7402         (s390_handle_arch_option): Added z9-109 switch.
7403         (override_options): Set respective cost function for z9-109.
7404         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7405         (legitimate_reload_constant_p): Accept extended immediates.
7406         (print_operand): Three new output modifiers added: k, m and o.
7407         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7408         (s390_output_mi_thunk): Use extended immediate when possible.
7409         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7410         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7411         (CONSTRAINT_LEN): Added length of O constraint.
7412         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7413         * config/s390/s390.md ("cpu"): New value z9_109 added.
7414         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7415         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7416         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7417         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7418         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7419         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7420         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7421         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7422         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7423         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7424         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7425         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7426         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7427         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7428         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7429         immediates.
7430         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7431         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7432         insns for TARGET_EXTIMM.
7433
7434 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7435
7436         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7437
7438 2005-08-17  Nick Clifton  <nickc@redhat.com>
7439
7440         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7441         Call default_encode_section_info.
7442
7443 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7444
7445         PR tree-optimization/21574
7446         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7447         constant, return CONSTANT.
7448         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7449         (ccp_fold, visit_assignment): Likewise.
7450         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7451
7452 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7453
7454         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7455         fold_buildN instead of buildN then fold_initializer or fold.
7456         (build_unary_op): Likewise.
7457         (build_binary_op): Likewise.
7458         * fold-const.c (fold_initializer): Remove.
7459         (fold_build1_initializer): New function.
7460         (fold_build2_initializer): New function.
7461         (fold_build3_initializer): New function.
7462         * tree.h (fold_initializer): Remove.
7463         (fold_build1_initializer): New function.
7464         (fold_build2_initializer): New function.
7465         (fold_build3_initializer): New function.
7466
7467 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7468
7469         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7470         (try_move_mult_to_index): Call fold_build2 instead of build2.
7471         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7472         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7473         fold_binary_to_constant.
7474         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7475         fold (build.
7476         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7477         check if A == gcd (A, B).  Remove TYPE argument.
7478         (analyze_offset) Use fold_build2 instead of fold (build.
7479         (create_data_ref): Likewise.
7480         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7481         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7482         then fold.
7483
7484 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7485
7486         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7487         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7488
7489 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7490
7491         PR tree-opt/23402
7492         * gimplify.c (zero_sized_type): New function.
7493         (gimplify_modify_expr_rhs): If we have a zero sized type,
7494         replace the statement with an empty statement.
7495
7496 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7497
7498         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7499         fxsave.
7500
7501 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7502
7503         * doc/tm.texi (Label Output): Correct typo.
7504
7505 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7506
7507         PR target/23376
7508         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7509         force_operand will work later on using have_insn_for.
7510
7511 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7512
7513         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7514
7515 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7516
7517         PR c++/23337
7518         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7519         vector type, don't try to construct it element by element.  Add an
7520         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7521
7522 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7523
7524         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7525
7526 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7527
7528         * doc/invoke.texi (Precompiled Headers): Document some more options
7529         which are known to be safe.
7530
7531 2005-08-16  James E Wilson  <wilson@specifix.com>
7532
7533         PR tree-optimization/21105
7534         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7535         TREE_OVERFLOW check.
7536
7537 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7538
7539         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7540         (neg_ltu<mode>): Same.
7541         (gtu<mode>): Same.
7542         (neg_gtu<mode>): Same.
7543
7544 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7545
7546         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7547         (fold_builtin_isdigit): Use fold_buildN.
7548         (build_function_call_expr): Likewise.
7549         * c-typeck.c (c_finish_loop): Likewise.
7550
7551 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7552             Richard Shann <rshann@superh.com>
7553
7554         PR middle-end/20396:
7555         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7556
7557 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7558
7559         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7560
7561 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7562
7563         PR target/23355
7564         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7565         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7566         must be saved.
7567
7568 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7569
7570         PR middle-end/23369
7571         * fold-const.c (build_range_check): Disable optimization for function
7572         pointer expressions on targets that require function pointer
7573         canonicalization.
7574
7575 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7576
7577         * simplify-rtx.c (simplify_const_relational_operation): When
7578         extracting arguments of a COMPARE, recompute the mode as well.
7579
7580 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7581
7582         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7583
7584 2005-08-15  DJ Delorie  <dj@redhat.com>
7585
7586         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7587         the stack.
7588         (movsi_splittable): Allow, but split, moves to the stack.
7589         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7590         stack.
7591
7592 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7593
7594         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7595         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7596         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7597
7598         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7599         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7600         Delete HOST_PTR_PRINTF.
7601
7602         * configure, config.in: Regenerate.
7603
7604 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7605
7606         * config/rs6000/rs6000.md (QHSI): New mode macro.
7607         (wd): Extend mode attr for QImode and HImode
7608         (dbits): New mode attr.
7609         (zero_extend<mode>di2): Convert to mode macro.
7610
7611 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7612
7613         PR target/21841
7614         * doc/invoke.texi (-mgnu-ld): Update description.
7615         (-mhp-ld): Ditto.
7616
7617 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7618
7619         PR 23391
7620         * Makefile.in (tree-chrec.o): Depends on real.h.
7621         * tree-chrec.c: Include real.h.
7622         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7623         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7624         * tree-scalar-evolution.c (add_to_evolution_1,
7625         interpret_rhs_modify_expr): Ditto.
7626
7627 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7628
7629         PR 23386
7630         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7631         step is negative compute the estimation from init downwards to zero.
7632
7633 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7634
7635         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7636
7637 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7638
7639         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7640         constraint.
7641         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7642         Accept double-word constants that can be split.
7643         * config/s390/s390.md ("movti"): Use 'P' constraint.
7644         ("*movdi_31", "*movdf_31"): Likewise.
7645
7646 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7647
7648         Fix PR tree-optimization/22615
7649
7650         * tree-ssa-structalias.c (solution_set_add): Handle
7651         first_vi_for_offset returning NULL.
7652         (do_da_constraint): Ditto.
7653         (do_sd_constraint): Ditto.
7654         (do_ds_constraint): Ditto
7655         (find_func_aliases): Ditto.
7656         (build_constraint_graph): RHS is allowed be ANYTHING.
7657         (first_vi_for_offset): Return NULL if we couldn't find anything at
7658         the offset.
7659
7660 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7661
7662         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7663         over memory as first operand.
7664
7665 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7666
7667         PR target/23360
7668         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7669         available for setting it.
7670
7671 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7672
7673         PR tree-optimization/23320
7674         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7675         data-refs' types instead of base object nullness. Add check for
7676         pointer type data-refs before first location comparison. Remove
7677         assert.
7678
7679 2005-08-14  Andreas Schwab  <schwab@suse.de>
7680
7681         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7682
7683 2005-08-13  James E Wilson  <wilson@specifix.com>
7684
7685         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7686         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7687         -fstack-protector-all, --param ssp-buffer-size): Document.
7688         (-Wvariadic-macros): Alphabetize.
7689         (-fsched-stalled-insns-dep): Add missing 'f'.
7690
7691         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7692         macros.
7693
7694 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7695
7696         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7697         or indirect address operand.
7698         (EXTRA_ADDRESS_CONSTRAINT): New.
7699         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7700
7701 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7702
7703         PR tree-optimization/22236
7704         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7705         successors and predecessors.
7706         * tree-chrec.c (chrec_convert): Before converting, check that
7707         sequences don't wrap.
7708         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7709         (analyze_array): Extern.
7710         (find_data_references_in_loop): Remove call to
7711         compute_estimated_nb_iterations.
7712         * tree-data-ref.h (analyze_array): Declared.
7713         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7714         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7715         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7716         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7717         condition.
7718         * tree-ssa-loop-ivcanon.c: Fix documentation.
7719         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7720         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7721         (infer_loop_bounds_from_undefined): New.
7722         (estimate_numbers_of_iterations_loop): Use
7723         infer_loop_bounds_from_undefined.
7724         (used_in_pointer_arithmetic_p): New.
7725         (scev_probably_wraps_p): Pass an extra parameter.  Call
7726         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7727         (convert_step): Fix documentation.
7728         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7729         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7730         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7731         scev_probably_wraps_p.
7732
7733 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7734
7735         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7736         (s390_register_info): Ignore clobbered_regs information for fixed
7737         registers, and only fixed registers.
7738         (s390_init_frame_layout): Remove redundant call.
7739
7740 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7741
7742         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7743         description of -Wold-style-casts.
7744
7745 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7746             Jakub Jelinek  <jakub@redhat.com>
7747
7748         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7749         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7750         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7751         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7752         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7753         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7754         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7755         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7756         ("stack_protect_set", "stack_protect_test"): New expanders.
7757         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7758         "stack_protect_testdi"): New insn definitions.
7759
7760 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7761
7762         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7763
7764 2005-08-12  Paul Brook  <paul@codesourcery.com>
7765
7766         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7767
7768 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7769
7770         * config/s390/predicates.md (setmem_operand): New predicate.
7771         (shift_count_operand): Accept ANDs with special constants as
7772         operand.
7773         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7774         with special constants.
7775         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7776         shift_count_operand with setmem_operand.
7777
7778 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7779
7780         * config/s390/s390.c (s390_extract_part, s390_single_part):
7781         Type cast added.
7782         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7783         (s390_output_mi_thunk): Don't use lg on 31 bit.
7784         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7785         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7786
7787 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7788
7789         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7790         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7791         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7792         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7793         with one of the new macros.
7794
7795 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7796
7797         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7798         Don't set save_return_addr_p.
7799         (s390_register_info): Make clobbered_regs not depending on
7800         save_return_addr_p.
7801
7802 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7803
7804         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7805         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7806
7807 2005-08-11  James E. Wilson  <wilson@specifix.com>
7808
7809         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7810
7811 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7812
7813         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7814         locations gathered by var-tracking in single entry loc_list
7815         over loc_descriptor_from_tree.
7816
7817         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7818         pass it down to loc_descriptor.
7819         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7820         (containing_function_has_frame_base): Move earlier in the file.
7821         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7822         instead of always assuming fbreg can't be used.
7823
7824 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7825
7826         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7827         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7828         Accept address wrapped in AND for Altivec.
7829         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7830         Strip AND wrapping offset address for Altivec.
7831
7832 2005-08-11  Richard Henderson  <rth@redhat.com>
7833
7834         PR middle-end/23312
7835         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7836         before using TYPE_IS_SIZETYPE.
7837
7838 2005-08-11  Richard Henderson  <rth@redhat.com>
7839
7840         PR target/22225
7841         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7842         insn types not present on ev4.
7843         (alphaev5_insn_pipe): Similarly.
7844
7845 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7846
7847         PR target/23250
7848         * arm.c (arm_override_options): If the user has selected callee-super-
7849         interworking, then enable normal interworking.
7850
7851 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7852
7853         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7854         redefinition.
7855
7856 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7857
7858         * doc/rtl.texi: Fix two typos.
7859
7860 2005-08-11  Richard Guenther  <rguenther@suse.de>
7861
7862         PR target/23289
7863         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7864         cases where we call to/from functions returning void.
7865
7866 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7867
7868         PR c++/23225
7869         * tree.c (build_pointer_type_for_mode): Robustify.
7870
7871 2005-08-10  James E Wilson  <wilson@specifix.com>
7872
7873         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7874         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7875
7876         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7877         "cum->".
7878
7879 2005-08-10  Eric Christopher  <echristo@apple.com>
7880
7881         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7882         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7883         V2DFmode.
7884
7885 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7886
7887         PR target/21887
7888         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7889         for the high part when generating dynamic-no-pic code.
7890
7891 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7892
7893         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7894         (x86_64-*-linux*): Likewise.
7895
7896         * config/i386/crtfastmath.c: New file.
7897         * config/i386/t-crtfm: Likewise.
7898
7899         * config/i386/linux.h (ENDFILE_SPEC): New.
7900         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7901
7902         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7903         crtfastmath.o.
7904
7905 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7906
7907         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7908         (vec_shl, vec_shr): Document new operations.
7909         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7910
7911 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7912
7913         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7914         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7915         change predicate to indexed_or_indirect_address.
7916
7917 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7918
7919         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7920         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7921         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7922         and __aeabi_uwrite8.
7923         * config/arm/unaligned-funcs.c: New file.
7924         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7925
7926 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7927
7928         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7929         Add dump.
7930         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7931         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7932         Add dump.
7933         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7934         * final.c (pass_shorten_branches): Add dump.
7935         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7936         (pass_life): Rename dump.
7937         (rest_of_handle_flow2): Remove initial verify_flow_info.
7938         * function.c (pass_instantiate_virtual_regs): Add dump.
7939         * integrate.c (pass_initial_value_sets): Add dump.
7940         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7941         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7942         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7943         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7944         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7945         gate_rtl_unrool_and_peel_loops): New.
7946         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7947         rtl_doloop): Do not look at flags.
7948         * mode-switching.c (pass_mode_switching): Add dump.
7949         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7950         pass_split_before_regstack): Add dump.
7951         * regmove.c (pass_stack_adjustments): Add dump.
7952         * tree-optimize.c (pass_fixup_cfg): Add dump.
7953
7954 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7955
7956         PR 23309
7957         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7958         deciding which instruction sequence to use.
7959
7960 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7961
7962         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7963         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7964
7965 2005-08-09  Richard Guenther  <rguenther@suse.de>
7966
7967         * c-common.c (builtin_function_2): Remove.
7968         (def_builtin_1): New function.
7969         (c_common_nodes_and_builtins): Use def_builtin_1 to
7970         build builtin functions.
7971
7972 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7973
7974         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7975         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7976         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7977         Visual DSP.
7978
7979 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7980
7981         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7982         fold_binary instead of fold_build2 since we don't care about the
7983         resulting tree.
7984         (loop_niter_by_eval): Likewise.
7985         (compare_trees): Likewise.
7986         (proved_non_wrapping_p): Likewise.
7987
7988 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7989
7990         PR c/23161
7991         PR c/23165
7992         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7993         if the if is really empty.
7994
7995 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7996
7997         PR tree-optimization/23234
7998         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7999         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8000         argument of the new enum.
8001         (execute_cse_reciprocals): Add reciprocals for function arguments
8002         on the unique successor edge of the entry block.  Update other calls
8003         to execute_cse_reciprocals_1.
8004
8005 2005-08-08  Richard Henderson  <rth@redhat.com>
8006
8007         PR 22439
8008         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8009
8010 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8011
8012         * expr.c (write_complex_part): Return after handling MEM.
8013
8014 2005-08-08  Josh Conner  <jconner@apple.com>
8015
8016         PR rtl-optimization/23241
8017         * combine.c (simplify_comparison): Fix error in determining
8018         whether to lift a subreg from comparison.
8019
8020 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8021
8022         PR target/18506
8023         * config/rs6000/altivec.md (vec_init<mode>): New.
8024         (vec_set<mode>): New.
8025         (vec_extract<mode>): New.
8026         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8027         (rs6000_expand_vector_set): New.
8028         (rs6000_expand_vector_extract): New.
8029         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8030         for Altivec modes before reload.
8031         (altivec_expand_vec_init_builtin): New.
8032         (get_element_number): New.
8033         (altivec_expand_vec_set_builtin): New.
8034         (altivec_expand_vec_ext_builtin): New.
8035         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8036         builtins.
8037         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8038         builtins.
8039         * config/rs6000/rs6000.h (rs6000_builtins): Add
8040         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8041         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8042         * config/rs6000/rs6000-protos.h: Declare new functions.
8043
8044 2005-08-08  Jan Hubicka  <jh@suse.cz>
8045
8046         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8047         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8048         * i386.md (movdi*): Use pic_32bit_operand.
8049         * predicates.md (pic_32bit_operand): New.
8050
8051 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8052
8053         PR c++/21166
8054         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8055
8056 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8057
8058         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8059         (test_for_singularity): Use fold_build2.
8060
8061 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8062
8063         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8064
8065 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8066
8067         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8068         (COMMON_ASM_OP) Define.
8069         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8070         (ix86_encode_section_info): Likewise.
8071         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8072         SUBTARGET_ENCODE_SECTION_INFO.
8073
8074 2005-08-06  Richard Henderson  <rth@redhat.com>
8075
8076         PR 21894
8077         * tree-nested.c (convert_local_reference): Save and restore val_only
8078         around component_ref and friends.  Clear walk_subtrees by default.
8079
8080 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8081
8082         PR 21366
8083         * gcc.c (process_command): Check the argument to -b has a dash.
8084         * doc/invoke.texi: Update -b and -V docs.
8085
8086 2005-08-06  James E Wilson  <wilson@specifix.com>
8087
8088         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8089
8090 2005-08-06  Michael Matz  <matz@suse.de>
8091
8092         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8093         member only if only one insn is associated with the value.
8094
8095 2005-08-06  Nick Clifton  <nickc@redhat.com>
8096
8097         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8098         New define.
8099         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8100         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8101         Check symbol flags instead of symbol name mangling.
8102         (xstormy16_asm_output_aligned_common): Likewise.  Also
8103         simplify code since the bss100_section cass is the only case
8104         where the below100 code will be triggered.
8105         (xstormy16_encode_section_info): Encode below100 attribute
8106         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8107         the name.
8108         (xstormy16_strip_name_encoding): Delete - this function is no
8109         longer needed.
8110         (TARGET_STRIP_NAME_ENCODING): Undefine.
8111         * config/stormy16/stormy16-protos.h: Delete prototype for
8112         xstormy16_strip_name_encoding.
8113
8114 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8115
8116         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8117         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8118         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8119         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8120         config/alpha/predicates.md, config/arc/arc.h,
8121         config/arm/arm.h, config/arm/ieee754-df.S,
8122         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8123         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8124         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8125         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8126         config/m68hc11/m68hc11.h, config/mips/mips.c,
8127         config/mips/mips.h, config/mips/openbsd.h,
8128         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8129         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8130         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8131         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8132         config/sparc/linux.h, config/sparc/linux64.h,
8133         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8134         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8135         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8136         typos.  Follow spelling conventions.
8137
8138 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8139
8140         PR c/23113
8141         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8142         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8143         specially.  Check for side effects only for COND_EXPR.
8144         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8145         return with TREE_NO_WARNING.
8146
8147 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8148
8149         PR rtl-optimization/23233
8150         * loop.c (combine_movables): Require the modes to be the same.
8151         (move_movables): Remove handling of cases where the replacement
8152         had a different mode to the original.
8153
8154 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8155
8156         PR tree-optimization/23128
8157         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8158         subtraction wrap, and set TREE_OVERFLOW if they do.
8159
8160 2005-08-05  Richard Henderson  <rth@redhat.com>
8161
8162         PR 21728
8163         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8164         FORCED_LABEL labels.
8165
8166 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8167
8168         PR middle-end/23135
8169         * reload.c (find_reloads_subreg_address): Pass down TYPE
8170         unchanged.  Change all callers except find_reloads_toplev.
8171
8172 2005-08-05  Michael Matz  <matz@suse.de>
8173
8174         * genattrtab.c (current_alternative_string): Remove.
8175         (SIMPLIFY_ALTERNATIVE): Ditto.
8176         (attr_alt_bit_p): Ditto.
8177         (alternative_name): Make const char *.
8178         (evaluate_eq_attr): Remove use of above things.
8179         (simplify_test_exp): Ditto.
8180         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8181         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8182
8183 2005-08-04  James E Wilson  <wilson@specifix.com>
8184
8185         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8186         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8187         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8188         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8189         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8190
8191 2005-08-04  Richard Henderson  <rth@redhat.com>
8192
8193         PR 21529
8194         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8195         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8196         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8197         if we'd have to instantiate too many members.
8198
8199 2005-08-04  Richard Henderson  <rth@redhat.com>
8200
8201         PR 21291
8202         * tree-outof-ssa.c (coalesce_asm_operands): New.
8203         (coalesce_ssa_name): Use it.  Split out ...
8204         (coalesce_phi_operands, coalesce_result_decls): ... these.
8205
8206 2005-08-04  Paul Brook  <paul@codesourcery.com>
8207
8208         * read-rtl.c (read_quoted_string): Break if EOF.
8209
8210 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8211
8212         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8213         (fold_build2): Likewise.
8214         (fold_build3): Likewise.
8215         (fold_build1_stat): New function prototype.
8216         (fold_build2_stat): Likewise.
8217         (fold_build3_stat): Likewise.
8218         * fold-const.c (fold_build1): Rename to ..
8219         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8220         through to build1_stat.
8221         (fold_build2): Rename to ..
8222         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8223         through to build2_stat.
8224         (fold_build3): Rename to ..
8225         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8226         through to build3_stat.
8227
8228 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8229             Ian Lance Taylor  <ian@airs.com>
8230
8231         * function.c (assign_stack_local_1): Do not correct stack slot
8232         address if allocation size is smaller than mode size.
8233
8234 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8235
8236         PR 22037
8237         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8238         (tree_merge_blocks): Propagate anything allowed by
8239         may_propagate_copy.
8240         Clarify documentation.
8241         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8242         SSA form, schedule an update if necessary.
8243
8244 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8245
8246         * doc/install.texi (Binaries): Remove broken link to
8247         Sinix/Reliant Unix binaries.
8248
8249 2005-08-03  Richard Henderson  <rth@redhat.com>
8250
8251         PR 23221
8252         * function.c (stack_protect_epilogue): Export.
8253         * tree.h (stack_protect_epilogue): Declare.
8254         * calls.c (expand_call): Call it.
8255
8256 2005-08-03  Eric Christopher  <echristo@apple.com>
8257
8258         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8259         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8260         spec.
8261
8262 2005-08-04  Jan Hubicka  <jh@suse.cz>
8263
8264         * profile.c (branch_prob): Split edges with goto locus on them
8265         to get proper line counts.
8266         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8267
8268 2005-08-03  Paul Brook  <paul@codesourcery.com>
8269
8270         * function.c (assign_parms): Round current_function_args_size
8271         to PARM_BOUNDARY, not STACK_BOUNDARY.
8272
8273 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8274
8275         * config/i386/i386.c (x86_elf_aligned_common)
8276         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8277
8278 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8279
8280         PR tree-optimization/23157
8281         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8282         before emitting them.
8283
8284 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8285
8286         PR tree-optimization/19899
8287         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8288         * tree-scalar-evolution.c: Include real.h.
8289         (add_to_evolution): Build constant -1 of correct type.
8290
8291 2005-08-03  Jan Hubicka  <jh@suse.cz>
8292
8293         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8294         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8295         profile updating for complette unrolling.
8296         * loop-unroll.c (peel_loop_completely): Use it.
8297         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8298         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8299         loops.
8300
8301 2005-08-03  Paul Brook  <paul@codesourcery.com>
8302
8303         * combine.c (can_change_dest_mode): New function.
8304         (try_combine, simplify_set): Use it.
8305
8306 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8307
8308         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8309         TFmode to BLKmode.
8310
8311 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8312
8313         * doc/install.texi (Specific): Adjust link to openavr.org.
8314         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8315         (Binaries): Adjust HP-UX Porting Center link.
8316         (Binaries): Adjust Free Software Foundation ordering link.
8317
8318 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8319
8320         * convert.c (convert_to_integer): Use fold_build1 instead of
8321         build1 when converting an integer to an integer.
8322
8323 2005-08-02  Richard Henderson  <rth@redhat.com>
8324
8325         * combine.c (combine_instructions): Don't use reg_equal/equiv
8326         results if the mode doesn't match.
8327
8328 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8329
8330         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8331         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8332
8333 2005-08-02  Richard Henderson  <rth@redhat.com>
8334
8335         PR 23196
8336         * explow.c (memory_address): Remove special-case for
8337         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8338
8339 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8340
8341         PR 23164
8342         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8343         number of calls to cleanup_tree_cfg_1.
8344
8345 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8346
8347         * doc/invoke.texi: document file extensions .F90 and .F95
8348
8349 2005-08-02  Richard Guenther  <rguenther@suse.de>
8350
8351         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8352         positive if its first argument is positive.
8353
8354 2005-08-02  Richard Guenther  <rguenther@suse.de>
8355
8356         PR tree-optimization/23177
8357         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8358         on TMR_TAG.
8359
8360 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8361
8362         PR tree-optimization/23129
8363         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8364         varying for divisions with anti-ranges.
8365
8366 2005-08-02  Jan Hubicka  <jh@suse.cz>
8367
8368         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8369         * tree-ssa-threadupdate.c (thread_block): Add it here.
8370
8371 2005-08-01  James E Wilson  <wilson@specifix.com>
8372
8373         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8374         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8375         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8376         New.
8377         * config/mips/predicates.md (const_call_insn_operand): Add check for
8378         SYMBOL_REF_LONG_CALL_P.
8379         * doc/extend.texi (long_call): Document the new attribute.
8380
8381 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8382             Richard Henderson  <rth@redhat.com>
8383
8384         * Makefile.in (RTL_BASE_H): Add real.h.
8385         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8386         instead of memcpy.
8387         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8388         directly.
8389         * rtl.c (rtl_check_failed_code_mode): New.
8390         * rtl.h (struct rtx_def): Add u.rv.
8391         (XCMWINT, XCNMPRV): New.
8392         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8393         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8394
8395 2005-08-01  Richard Henderson  <rth@redhat.com>
8396
8397         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8398         with auto-inc codes.
8399
8400         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8401
8402 2005-08-01  Jan Hubicka  <jh@suse.cz>
8403
8404         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8405         * i386.c: Include dwarf2.h
8406         (asm_preferred_eh_data_format): New.
8407         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8408
8409 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8410
8411         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8412         randomize_va_space for virtual address randomization control.
8413
8414 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8415
8416         * common.opt (flag_ipa_cp): Put in right place to maintain
8417         alphabetic sort.
8418
8419 2005-08-01  Jan Hubicka  <jh@suse.cz>
8420
8421         * profile.c (compute_value_histograms): Fix thinko.
8422         * value-prof.c: Include toplev.h
8423         (check_counter): New function.
8424         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8425         tree_mod_subtract_transform): Add sanity check.
8426
8427 2005-08-01  Richard Guenther  <rguenther@suse.de>
8428
8429         PR tree-optimization/23133
8430         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8431         current functions parameter decls to find defs to cse
8432         reciprocals of.
8433
8434 2005-08-01  Richard Guenther  <rguenther@suse.de>
8435
8436         PR tree-optimization/23109
8437         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8438         If trapping math is in effect, use post-dominator information
8439         to check if we'd in any case reach a trapping point before
8440         doing the reciprocal insertion.
8441         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8442         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8443         expressions are invariant only if trapping math is not in effect.
8444
8445 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8446
8447         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8448         cgraph_function_versioning): New declarations.
8449         * cgraphunit.c: Add include to ipa-prop.h.
8450         (update_call_expr, cgraph_copy_node_for_versioning,
8451         cgraph_function_versioning): New functions.
8452         * integrate.c (copy_decl_for_inlining): Remove.
8453         * ipa-prop.h (ipa_replace_map): New struct.
8454         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8455         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8456         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8457         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8458         ipcp_iterate_stage, ipcp_method_scale_print,
8459         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8460         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8461         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8462         ipcp_update_bb_counts, ipcp_update_profiling,
8463         ipcp_update_edges_counts): New functions.
8464         (ipcp_method_cval_init): Remove restriction regarding local methods.
8465         (ipcp_init_stage): Add ipcp_method_compute_scale.
8466         (ipcp_insert_stage): Add versioning.
8467         (ipcp_structures_print): Add ipcp_method_scale_print.
8468         (ipcp_driver): Dump profiling info.
8469         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8470         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8471         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8472         (struct inline_data): Add versioning_p, ipa_info, new fields.
8473         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8474         declare_return_variable): Replace calls to copy_decl_for_inlining with
8475         copy_decl_for_dup.
8476         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8477         versioning support.
8478         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8479         Add argument VERSIONING.
8480         (copy_arguments_for_versioning, copy_static_chain,
8481         function_versionable_p, tree_versionable_function_p,
8482         tree_function_versioning, replace_ref_tree): New functions.
8483         * tree-inline.h: Include varray.h.
8484         (tree_versionable_function_p,  tree_function_versioning,
8485         tree copy_decl_for_dup): New declarations.
8486
8487 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8488
8489         * ipa-cp.c: New file. Contains IPCP specific functionality.
8490         * ipa-prop.h: New file. Contains structures/definitions that can be
8491         used by several interprocedural data flow optimizations (and also IPCP).
8492         * ipa-prop.c: New file.
8493         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8494         * common.opt: Add ipa-cp flag.
8495         * timevar.def: Add IPCP optimization.
8496         * tree-optimize.c (init_tree_optimization_passes): Schedule
8497         pass_ipa_cp.
8498         * tree-pass.h (pass_ipa_cp): Declare.
8499
8500 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8501
8502         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8503         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8504         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8505         config/i386/i386.c, config/mips/mips.h,
8506         config/rs6000/rs6000.h, config/sh/sh.c,
8507         config/stormy16/stormy16.c: Fix comment typos.
8508
8509 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8510
8511         PR c/22311
8512         * c-typeck.c (build_binary_op): Use common_type wrapper on
8513         shortened types.
8514         (common_type): Update comment.
8515
8516 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8517
8518         PR target/23095
8519         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8520         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8521         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8522
8523 2005-07-31  Jan Hubicka  <jh@suse.cz>
8524
8525         * pretty-print.h (pp_widest_integer): New macro.
8526         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8527         counts.
8528
8529 2005-07-31  Jan Hubicka  <jh@suse.cz>
8530
8531         * output.h (enum section_category): Export from varasm.c
8532         (categorize_decl_for_section): Likewise.
8533         * varasm.c (enum section_category): Kill.
8534         (categorize_decl_for_section): Make global.
8535         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8536         Declare.
8537         * i386.c (ix86_section_threshold): New static variable.
8538         (ix86_in_large_data_p, ix86_encode_section_info,
8539         x86_64_elf_unique_section,
8540         x86_64_elf_select_section): New functions.
8541         (TARGET_ENCODE_SECTION_INFO): Define
8542         (override_options): Enable medium model for PIC.
8543         (ix86_expand_prologue): Expand gen_set_got_rex64.
8544         (legitimate_constant_p): Handle new UNSPECs.
8545         (legitimate_pic_address_disp_p): Likewise.
8546         (legitimize_pic_address): Lower MEDIUM model addressing.
8547         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8548         (enum cmodel): Add MEDIUM_PIC.
8549         (SYMBOL_REF_FAR_ADDR_P): New macro.
8550         (SYMBOL_FLAG_FAR_ADDR): New flag.
8551         * i386.md (movdi): Support medium model.
8552         (set_got_rex64): New pattern.
8553         * i386.opt (mlarge-data-threshold): New flag.
8554         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8555         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8556         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8557         TARGET_ASM_UNIQUE_SECTION): New.
8558
8559         * invoke.texi (-mlarge_data_threshold): Document
8560
8561 2005-07-31  Jan Hubicka  <jh@suse.cz>
8562
8563         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8564         (coalesce_vars): Likewise.
8565         * tree-ssa-live.c (coalesce_cost): New.
8566         (build_tree_conflict_graph): Use coalesce_cost.
8567         * tree-ssa-live.h (coalesce_cost): Declare.
8568
8569 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8570
8571         * arm.md (all peepholes for post-increment operations): Delete.
8572         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8573         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8574         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8575         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8576         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8577
8578 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8579
8580         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8581         non-integral types.
8582
8583 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8584
8585         PR target/22582
8586         * doc/invoke.texi: Document -rdynamic.
8587
8588 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8589
8590         PR c/23143
8591         * c-parser.c (c_parser_parms_list_declarator): Call
8592         mark_forward_parm_decls.
8593         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8594         decls with visibility structure.
8595
8596 2005-07-30  Paul Brook  <paul@codesourcery.com>
8597
8598         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8599
8600 2005-07-30  Paul Brook  <paul@codesourcery.com>
8601
8602         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8603         prototype.
8604         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8605         value for mode.
8606         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8607
8608 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8609
8610         PR c/529
8611         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8612         nested function declarators.
8613         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8614         (grokparms): Call warn_if_shadowing for parameters used within the
8615         parameter list.
8616         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8617         not used within the parameter list.
8618         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8619
8620 2005-07-30  Jan Hubicka  <jh@suse.cz>
8621
8622         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8623         * i386.c (ix86_fixup_binary_operands): Likewise.
8624         (ix86_expand_unary_operator): Likewise.
8625         (ix86_expand_fp_absneg_operator): Likewise.
8626         * optabs.c (expand_vec_cond_expr): Validate dest.
8627
8628 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8629
8630         PR c/21720
8631         * real.c (real_from_string): Also set last bit if there is a
8632         nonzero hex digit beyond GCC's internal precision after ".".
8633
8634 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8635
8636         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8637         define_constants.  Change duplicate values to unassigned numbers.
8638         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8639         (*altivec_vspltsf): New.
8640         (altivec_vperm_v4sf): Delete.
8641         (altivec_vperm_<mode>): Use mode macro V.
8642         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8643         (altivec_predicate_v4sf): Delete.
8644         (altivec_predicate_<mode>): Use mode macro V.
8645         (*altivec_lvesfx): New.
8646         (*altivec_stvesfx): New.
8647         (vec_realign_load_v4sf): Delete.
8648         (vec_realign_load_<mode>): Use mode macro V.
8649         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8650         UNSPECV_SET_VRSAVE.
8651
8652 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8653
8654         PR bootstrap/23131
8655         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8656         string.
8657         * configure: Regenerated.
8658
8659 2005-07-29  Paul Brook  <paul@codesourcery.com>
8660
8661         * doc/install.texi: Add link to GFortran binaries wiki page.
8662
8663 2005-07-29  David Ung  <davidu@mips.com>
8664
8665         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8666         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8667         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8668         * config/mips/mips.md (cpu): Add 5kf name.
8669         (includes): Includes 5k.md.
8670         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8671         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8672         -march flag.
8673
8674 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8675
8676         PR 22550
8677         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8678         (cleanup_tree_cfg): ... here.
8679         Call cleanup_tree_cfg_1 until there are no more cleanups to
8680         do.
8681
8682 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8683
8684         * tree-vrp.c (compare_range_with_value): Return true or false
8685         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8686         EQ_EXPR respectively.
8687
8688 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8689
8690         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8691         Fix comment typos.
8692
8693 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8694
8695         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8696         (tree_ssa_dominator_optimize): Increment it.
8697         (dump_dominator_optimization_stats): Print it.
8698
8699 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8700             Steven Bosscher  <stevenb@suse.de>
8701
8702         PR rtl-optimization/23117
8703         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8704         when head == tail.  Tidy comment.
8705
8706 2005-07-28  Richard Henderson  <rth@redhat.com>
8707
8708         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8709         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8710         * jump.c (rtx_renumbered_equal_p): Likewise.
8711         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8712         CONST_INT and CONST_DOUBLE.
8713         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8714         * reload.c (operands_match_p): Special case CONST_INT and
8715         CONST_DOUBLE; check mode earlier.
8716
8717 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8718
8719         PR c/22240
8720         * c-typeck.c (convert_for_assignment): Do not check
8721         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8722
8723 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8724
8725         PR c/22192
8726         * c-typeck.c (composite_type): Prefer constant size arrays to
8727         VLAs.
8728
8729 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8730
8731         PR c/21720
8732         * real.c (real_from_string): Set last bit if there is a nonzero
8733         hex digit beyond GCC's internal precision.
8734
8735 2005-07-28  Richard Henderson  <rth@redhat.com>
8736
8737         PR rtl-opt/22619
8738         * cfgcleanup.c (try_forward_edges): Watch out for end of
8739         insn chain.
8740
8741 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8742
8743         PR c/23106
8744         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8745
8746 2005-07-28  Jan Hubicka  <jh@suse.cz>
8747
8748         * Makefile.in (rtl-profile.o): Kill all traces of it.
8749         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8750         * coverage.h (rtl_coverage_counter_ref): Kill.
8751         * opts.c (flag_speculative_prefetching_set): Kill.
8752         (flag_loop_optimize_set): New.
8753         (common_handle_option): Disable loop optimizer when profiling;
8754         do not handle speculative prefetching.
8755         * passes.c (init_optimization_passes): Replace pass_profiling combo
8756         by branch_prob pass.
8757         * profile.c (compute_value_histograms): Update for simplified value
8758         profiles.
8759         (rtl_register_profile_hooks): Kill.
8760         (pass_profiling): Kill.
8761         (rest_of_handle_branch_prob): Do not profile.
8762         * toplev.c (process_options): Remove speculative prefetching.
8763         * toplev.h (flag_tree_based_profiling): Kill.
8764         * tree-profile.c (prepare_instrumented_value,
8765         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8766         tree_gen_one_value_profiler, do_tree_profiling): Update for
8767         simplified datastructures.
8768         * value-prof.c: Add comment that speculative prefetching was dropped;
8769         update rest of file for simplified datastructures.
8770         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8771         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8772         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8773         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8774         rtl_mod_subtract, gen_speculative_prefetch,
8775         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8776         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8777         (gate_handle_value_profile_transformations,
8778         rest_of_handle_value_profile_transformations,
8779         pass_value_profile_transformations): Kill.
8780         * value-prof.h (histogram_value_t): Remove IL based unions.
8781         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8782         rtl_profile_hooks): Remove hooks.
8783
8784         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8785
8786         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8787         (cgraph_clone_node): Likewise.
8788         * cgraph.h (cgraph_clone_edge): Update prototype.
8789         (cgraph_clone_node): Likewise.
8790         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8791         cgraph_clone_node.
8792         (lookup_recursive_calls): Consider profile.
8793         (cgraph_decide_recursive_inlining): Fix updating; use new
8794         probability argument; use profile.
8795         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8796         * tree-inline.c (copy_bb): Update clal of clone_edge.
8797         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8798
8799         * invoke.texi (min-inline-recursive-probability): Document.
8800
8801 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8802
8803         * doc/install.texi (Configuration): Update Valgrind homepage.
8804
8805 2005-07-28  Richard Henderson  <rth@redhat.com>
8806
8807         PR middle-end/21362
8808         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8809         labels we want to delete.
8810         (cfg_layout_merge_blocks): Likewise.
8811
8812 2005-07-28  Richard Henderson  <rth@redhat.com>
8813
8814         PR target/17692
8815         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8816         when expanding to nothing.
8817
8818 2005-07-28  Josh Conner  <jconner@apple.com>
8819
8820         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8821         (cgraph_decide_inlining_of_small_functions): Likewise.
8822
8823 2005-07-28  Josh Conner  <jconner@apple.com>
8824
8825         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8826         direction of badness if negative.
8827         (cgraph_default_inline_p): Add reason to parameters, and assign it
8828         a value.
8829         (cgraph_decide_inlining_of_small_functions): New parameter in call
8830         to cgraph_default_inline_p.
8831         (cgraph_decide_inlining_incrementally): Likewise.
8832         * cgraphunit.c (decide_is_function_needed): Likewise.
8833         * cgraph.h (cgraph_default_inline_p): Likewise.
8834
8835 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8836
8837         * builtins.c: Fix comment typo(s).
8838         * genautomata.c: Likewise.
8839         * gimplify.c: Likewise.
8840         * tree-dfa.c: Likewise.
8841         * tree-flow-inline.h: Likewise.
8842         * tree-into-ssa.c: Likewise.
8843         * tree-ssa-alias.c: Likewise.
8844         * tree-ssa-ccp.c: Likewise.
8845         * tree-ssa-copy.c: Likewise.
8846         * tree-ssa-dce.c: Likewise.
8847         * tree-ssa-dom.c: Likewise.
8848         * tree-ssa-operands.c: Likewise.
8849         * tree-tailcall.c: Likewise.
8850         * tree-vectorizer.c: Likewise.
8851         * tree-vrp.c: Likewise.
8852         * tree.c: Likewise.
8853
8854 2005-07-28  Jeff Law  <law@redhat.com>
8855
8856         * tree-vrp.c (test_for_singularity): Extracted from  ...
8857         (simplify_cond_using_ranges): Attempt to simplify a relational
8858         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8859
8860 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8861
8862         PR tree-optimization/22506
8863         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8864         phis whose argument is constant.
8865
8866 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8867
8868         PR rtl-optimization/18992
8869         Back out this patch:
8870           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8871           PR optimization/12142
8872           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8873           uses of the register in the SET_SRC.  Remove unnecessary argument.
8874
8875         Replace it with this:
8876         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8877         if flag_non_call_exceptions is set and the insn may trap, pass
8878         pc_rtx as dest for recursion.
8879         In SET_SRC part of SET case, if dest is already set, pass it down
8880         unchanged.
8881
8882 2005-07-28  Jan Hubicka  <jh@suse.cz>
8883
8884         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8885         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8886         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8887         roundoff errors.
8888         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8889         profile when available.
8890
8891 2005-07-28  Jan Beulich <jbeulich@novell.com>
8892
8893         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8894         (ia64_print_operand): Describe and handle 'X'.
8895         (ia64_register_move_cost): Also handle FP_REGS.
8896         (ia64_preferred_reload_class): Likewise.
8897         (ia64_secondary_reload_class): Likewise.
8898         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8899         it. Also check for ITANIUM_CLASS_FLDP.
8900         * config/ia64/ia64.h (FP_REGNO_P): New.
8901         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8902         (reg_class): Add FP_REGS.
8903         (REG_CLASS_NAMES): Adjust for it.
8904         (REG_CLASS_CONTENTS): Likewise.
8905         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8906         (REG_CLASS_FROM_LETTER): Handle 'x'.
8907         (CLASS_MAX_NREGS): Handle FP_REGS.
8908         (MEMORY_MOVE_COST): Likewise.
8909         * config/ia64/ia64.md (itanium_class): Add fldp.
8910         (type): Handle fldp.
8911         (movti_internal): More allowable operand combinations. Use ldfp8 when
8912         splitting unnecessary. Remove predicable attribute. Adjust
8913         itanium_class attribute.
8914         (smuldi3_highpart): Remove outdated comment.
8915         (mulditi3, umulditi3, rotlti3): New expanders.
8916         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8917         (absti2): Disabled new insn for future reference.
8918         Respective new splitters.
8919         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8920         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8921         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8922
8923 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8924
8925         PR rtl-optimization/23047
8926         * simplify-rtx.c (simplify_const_relational_operation): Respect
8927         flag_wrapv for comparisons with ABS.
8928
8929 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8930
8931         PR tree-optimization/22493
8932         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8933         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8934
8935 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8936
8937         * config/frv/frv.opt (moptimize-membar): New.
8938
8939         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8940
8941         * config/frv/frv.h: Remove machine_function definition.
8942
8943         * config/frv/frv.c (struct frv_io): New.
8944         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8945         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8946         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8947         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8948         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8949         (frv_reorg): Call frv_optimize_membar when appropriate.
8950         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8951         (frv_expand_builtin): Adjust calls accordingly.
8952         (frv_io_address_cookie): New function.
8953         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8954         load or store rather than a special insn.  Add ccnstant address and
8955         io-type operands to the membar.
8956         (frv_ifcvt_modify_tests): Unsign regno.
8957         (frv_ifcvt_modify_tests): Same.
8958
8959         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8960         UNSPEC_OPTIONAL_MEMBAR constant.
8961         (builtin_read_<mode>): Delete.
8962         (builtin_write_<mode>): Delete.
8963         ("optional_membar_<mode>"): Add operand.
8964
8965         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8966         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8967         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8968         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8969         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8970         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8971         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8972         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8973         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8974
8975 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8976
8977         * df.c (df_uses_record): Handle SCRATCH.
8978
8979 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8980
8981         PR debug/20161
8982         * passes.c (rest_of_decl_compilation): If decl is a type and
8983         we have encountered errors, don't emit debug information.
8984
8985 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8986
8987         * params.def: Fixed comment.
8988
8989 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8990
8991         PR target/19885
8992         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8993         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8994         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8995
8996 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8997
8998         PR c++/22003
8999         * varasm.c (assemble_start_function): Don't do anything that may
9000         require a CFG if the current function is a thunk.
9001
9002 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9003
9004         * doc/install.texi (Prerequisites): Mention that perl is needed
9005         to do export control in libstdc++ targetting Darwin.
9006
9007 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9008
9009         PR rtl-optimization/17808
9010         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9011         (sched_insns_conditions_mutex_p): Split out from...
9012         (add_dependence): ...here.  But don't call it from here.
9013         (add_dependence_list): Check sched_insns_conditions_mutex_p
9014         before calling add_dependence.
9015         (add_dependence_list_and_free): Likewise.
9016         (fixup_sched_groups): Likewise.
9017         (sched_analyze_1): Likewise.
9018         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9019         (sched_analyze): Likewise.
9020         (sched_analyze_insn): Likewise.
9021         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9022         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9023         dependencies on all COND_EXEC insns to jumps ending basic blocks
9024         when doing intrablock scheduling.
9025         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9026
9027 2005-07-27  Jeff Law  <law@redhat.com>
9028
9029         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9030         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9031         equivalency sets, correctly handle the case were vr0 has an
9032         equivalency set, but vr1 does not.
9033
9034 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9035
9036         PR tree-optimization/23073
9037         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9038         vect_print_dump_info before fprintf.
9039
9040 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9041
9042         PR tree-optimize/22348
9043         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9044         Fold the partial computation.
9045
9046 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9047
9048         PR tree-optimization/22325
9049         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9050         Declare.
9051         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9052         value replacement.
9053         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9054         (force_var_cost): ... this function.
9055         (compute_phi_arg_on_exit): Export.
9056
9057 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9058
9059         PR tree-optimization/20773
9060         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9061         edge.
9062
9063 2005-07-27  Richard Guenther  <rguenther@suse.de>
9064
9065         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9066         Avoid pushing again if current struct contains only
9067         fields we decomposed.
9068
9069 2005-07-27  Jan Hubicka  <jh@suse.cz>
9070
9071         PR tree-optimization/22574
9072         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9073         not available.
9074
9075         * tree-tailcall.c (decrease_profile): New function.
9076         (eliminate_tail_call): Use it.
9077
9078         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9079         visibility flags correctly in whole program mode.
9080
9081 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9082
9083         PR rtl-optimization/22472
9084         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9085
9086 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9087
9088         PR tree-optimization/22504
9089         * tree-complex.c (expand_complex_addition): Use 'code' instead
9090         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9091
9092 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9093
9094         * config.gcc (cpu_type): Add frv case.
9095         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9096         (supported_defaults): Add fr550 case.
9097
9098 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9099
9100         PR 22591
9101         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9102         whether a pointer of type T * may point to objects of type T *.
9103
9104 2005-07-26  DJ Delorie  <dj@redhat.com>
9105
9106         * configure: Regenerate.
9107
9108 2005-07-26  Dale Johannesen  <dalej@apple.com>
9109
9110         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9111
9112 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9113
9114         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9115         Clarify use of "build" in name.
9116
9117 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9118
9119         * doc/extend.texi (Raw read/write Functions): New section.
9120         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9121         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9122         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9123         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9124         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9125         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9126         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9127         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9128         * config/frv/frv.c: Add bdesc_loads global.
9129         Add bdesc_stores global.
9130         (frv_init_builtins): Add support for __builtin_{read/write}*.
9131         (frv_volatile_memref): New.
9132         (frv_expand_load_builtin): New.
9133         (frv_expand_store_builtin): New.
9134         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9135         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9136         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9137         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9138         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9139         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9140         (builtin_read_<mode>): New.
9141         (builtin_write_<mode>): New.
9142         (builtin_write64): New.
9143         (optional_membar_<mode>): New.
9144
9145 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9146
9147         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9148         (rather than units) against HOST_BITS_PER_WIDE_INT.
9149
9150 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9151
9152         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9153         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9154         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9155         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9156         FSF address.
9157
9158         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9159         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9160         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9161         comment typos.
9162         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9163
9164 2005-07-26  Richard Guenther  <rguenther@suse.de>
9165
9166         PR tree-optimization/22486
9167         * fold-const.c (fold_unary): Fold away useless component
9168         references of the form (T *)&T.x, if the address
9169         doesn't change.
9170
9171 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9172
9173         * dwarf2out.c (add_call_src_coords_attributes): New.
9174         (gen_inlined_subroutine_die): Call it.
9175         (maybe_emit_file, init_file_table): Add comments.
9176         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9177         maybe_emit_file.
9178         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9179         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9180         * tree.h (BLOCK_SOURCE_LOCATION): New.
9181         (struct tree_block): New field locus.
9182
9183 2005-07-26  Andreas Schwab  <schwab@suse.de>
9184
9185         PR rtl-optimization/23043
9186         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9187         when allocating a struct unoccr.
9188
9189 2005-07-25  Richard Henderson  <rth@redhat.com>
9190
9191         PR 22626
9192         * tree-complex.c (gate_no_optimization): True if errors.
9193         * Makefile.in (tree-complex.o): Update dependencies.
9194
9195 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9196
9197         * config/frv/predicates.md (integer_register_operand): Use
9198         GPR_AP_OR_PSEUDO_P.
9199
9200 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9201
9202         PR tree-opt/22484
9203         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9204         after fold.
9205         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9206
9207 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9208
9209         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9210         types when flag_unsafe_math_optimizations is true.
9211
9212 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9213
9214         * gcc.c (option_map): Add --sysroot.
9215         (process_command): Handle --sysroot.
9216         (display_help): Document it.
9217         * doc/cppopts.tex (-isysroot): Document.
9218         * doc/invoke.texi (--sysroot): Document.
9219         * doc/install.texi (--with-build-sysroot): Document.
9220
9221         * Makefile.in (inhibit_libc): New variable.
9222         (INHIBIT_LIBC_CFLAGS): Likewise.
9223         (LIBGCC2_CFLAGS): Include
9224         $(INHIBIT_LIBC_CFLAGS).
9225         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9226         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9227         ($(T)crtend.o): Likewise.
9228         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9229         ($(T)crtendS.o): Likewise.
9230         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9231         ($(T)crtendT.o): Likewise.
9232         (stmp-fixinc): Do not complain about missing headers if
9233         inhibit_libc.
9234         * configure.ac (inhibit_libc): Set it to true/false.
9235         (--with-build-sysroot): New option.  Use it to set
9236         SYSTEM_HEADER_DIR.
9237         * configure: Regenerated.
9238
9239 2005-07-25  Manfred Hollstein  <mh@suse.com>
9240
9241         * calls.c (store_one_arg): Fix unsigned comparison warning.
9242
9243 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9244
9245         PR other/22337
9246         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9247         (ggc_print_statistics): Initialize variable before use.
9248
9249 2005-07-25  Richard Guenther  <rguenther@suse.de>
9250
9251         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9252         calling with a PHI_NODE argument.
9253
9254         * tree-flow-inline.h (overlap_subvar): Protect against
9255         possible overflow.
9256
9257 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9258
9259         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9260         * configure: Regenerate.
9261
9262 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9263
9264         * expr.c (highest_pow2_factor): Make extern.
9265         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9266         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9267         record_array_differ_p, array_ptr_differ_p): Likewise.
9268         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9269         additional cases. Call the above functions.
9270         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9271         base_object_differ_p when there are two base objects. Otherwise, compare
9272         base address and offset. Call may_alias_p.
9273         (dump_data_reference): Use a correct field name.
9274         (analyze_array): Make static. Initialize new data-ref fields.
9275         (analyze_indirect_ref): New function.
9276         (init_data_ref): Initialize new data-ref fields.
9277         (strip_conversion): Moved from tree-vect-analyze.c.
9278         (analyze_offset_expr, get_ptr_offset, address_analysis,
9279         object_analysis): Likewise.
9280         (analyze_offset): New function.
9281         (create_data_ref): Likewise.
9282         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9283         dimensions for ARRAY_REFs only.
9284         (build_classic_dist_vector): Make static.
9285         (access_functions_are_affine_or_constant_p): Call macro to get the
9286         address of access functions.
9287         (compute_all_dependences): Add new parameter
9288         compute_self_and_read_read_dependences. Compute self and read-read
9289         dependences if it is true.
9290         (find_data_references_in_loop): Call create_data_ref. Initialize new
9291         data-ref fields.
9292         (compute_data_dependences_for_loop): Add new parameter
9293         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9294         compute nb_loops. Call compute_all_dependences,
9295         build_classic_dist_vector and build_classic_dir_vector with correct
9296         parameters.
9297         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9298         with correct parameters. Compare dimensions for ARRAY_REFs only.
9299         (free_data_refs): Call macro to free access functions.
9300         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9301         fields from stmt_vinfo.
9302         (struct base_object_info): New structure.
9303         (struct data_reference): Move fields to base_object_info. Add fields
9304         first_location and object_info for above structures. Move fields from
9305         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9306         aligned_to.  Add macros to access the new fields.
9307         Update functions declarations.
9308         * tree-flow.h (is_aliased_with): Declare.
9309         * tree-loop-linear.c (linear_transform_loops): Call
9310         compute_data_dependences_for_loop with correct parameters.
9311         * tree-ssa-alias.c (is_aliased_with): New function.
9312         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9313         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9314         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9315         vect_base_addr_differ_p, compute_subscript_distance and
9316         build_classic_dist_vector. Add printings. Check absolute value of
9317         distance.
9318         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9319         data-refs.
9320         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9321         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9322         to bytes. Add printing.
9323         (vect_compute_data_refs_alignment): Go through loads and stores in one
9324         loop.
9325         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9326         vect_analyze_data_ref_access): Likewise.
9327         (vect_analyze_pointer_ref_access): Remove.
9328         (vect_address_analysis, vect_object_analysis): Likewise.
9329         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9330         and analyze data-refs in the loop.
9331         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9332         fields of data-ref instead of stmt. Add init to the offset from the
9333         base.
9334         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9335         (vect_update_init_of_dr): Likewise.
9336         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9337         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9338         removed fields.
9339         (new_loop_vec_info): Initialize new fields.
9340         (destroy_loop_vec_info): Free new fields.
9341         (vect_strip_conversion): Remove.
9342         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9343         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9344         datarefs. Add new field ddrs.
9345         Add macros for the new fields access.
9346         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9347         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9348         Remove their macros.
9349         * tree.h (highest_pow2_factor): Declare.
9350
9351 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9352
9353         * calls.c (store_one_arg): Check for sibling call MEM arguments
9354         from already clobbered incoming argument area.
9355
9356 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9357
9358         * c-common.c (check_missing_format_attribute): New.
9359         * c-common.h (check_missing_format_attribute): Likewise.
9360         * c-typeck.c (convert_for_assignment): Use it.
9361
9362 2005-07-24  Andreas Schwab  <schwab@suse.de>
9363
9364         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9365         register use a word move.  Correct operand of ext.w in 68000 code.
9366
9367 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9368
9369         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9370         variables as declarations, rather than definitions.
9371
9372 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9373
9374         PR tree-optimization/22526
9375         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9376         of the zero node.
9377
9378 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9379
9380         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9381         that C99 reserve for future use. Use it to define clog10,
9382         clog10f and clog10l.
9383
9384 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9385
9386         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9387         * configure.ac: Check for -Wmissing-format-attribute.
9388
9389         * configure: Regenerate.
9390
9391 2005-07-23  Richard Henderson  <rth@redhat.com>
9392
9393         PR tree-optimization/22623
9394         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9395
9396 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9397
9398         PR target/22577
9399         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9400
9401 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9402
9403         * Makefile.in (C_TREE_H): Update dependencies.
9404         * c-tree.h: Include toplev.h.
9405         * diagnostic.h (diagnostic_set_info): Add format attribute.
9406         * rtl-error.c (diagnostic_for_asm): Likewise.
9407
9408 2005-07-23  Chao-ying Fu  <fu@mips.com>
9409
9410         * config/mips/mips-dsp.md: New file.
9411         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9412         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9413         functions.
9414         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9415         MIPS_BUILTIN_BPOSGE32.
9416         (mips_expand_builtin_direct): Add one parameter to indicate that
9417         builtin functions need to return a value.
9418         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9419         functions.
9420         (mips_regno_to_class): Add classes for 12 new DSP registers.
9421         (mips_subword): Change to check four HI registers.
9422         (mips_output_move): Output move to and from 6 new DSP accumulators.
9423         (override_options): Make sure -mdsp and -mips16 are not used together.
9424         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9425         for machine modes.
9426         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9427         when !TARGET_DSP.
9428         (print_operand): Add 'q' for printing DSP accumulators.
9429         (mips_cannot_change_mode_class): Check ACC_REGS.
9430         (mips_secondary_reload_class): Check ACC_REGS.
9431         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9432         (mips_register_move_cost): Check ACC_REGS.
9433         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9434         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9435         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9436         (dsp_bdesc): New array.
9437         (bdesc_arrays): Add DSP builtin function table.
9438         (mips_prepare_builtin_arg): Check predicate again after
9439         copy_to_mode_reg.
9440         (mips_expand_builtin): Add one more parameter to
9441         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9442         MIPS_BUILTIN_BPOSGE32.
9443         (mips_init_builtins): Initialize new function types.
9444         (mips_expand_builtin_direct): Check if builtin functions need to
9445         return a value and pass operands properly.
9446         (mips_expand_builtin_bposge): New function.
9447         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9448         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9449         (FIRST_PSEUDO_REGISTER): Increase to 188.
9450         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9451         Update for 12 new DSP registers.
9452         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9453         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9454         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9455         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9456         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9457         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9458         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9459         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9460         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9461         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9462         (REGISTER_NAMES): Add names for 12 new DSP registers.
9463         * config/mips/mips.md: Include mips-dsp.md.
9464         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9465         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9466         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9467         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9468         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9469         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9470         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9471         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9472         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9473         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9474         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9475         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9476         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9477         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9478         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9479         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9480         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9481         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9482         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9483         (UNSPEC_RDDSP): New constants.
9484         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9485         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9486         A<-d alternative.
9487         * config/mips/mips.opt (-mdsp): New option.
9488         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9489         (reg_imm10_operand): New predicates.
9490         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9491         * doc/invoke.texi (-mdsp): Document new option.
9492
9493 2005-07-22  DJ Delorie  <dj@redhat.com>
9494
9495         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9496         to warning calls.
9497         * tree-inline.c (inlinable_function_p): Likewise.
9498
9499 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9500
9501         PR debug/21828
9502         * toplev.c (check_global_declarations): Do not mark undefined
9503         variables as DECL_IGNORED_P.
9504         * varasm.c (first_global_object_name): GTY it.
9505         (weak_global_object_name): Likewise.
9506         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9507         a string to go into {weak,first}_global_object_name.
9508
9509 2005-07-22  DJ Delorie  <dj@redhat.com>
9510
9511         * c-format.c (check_function_format): Change warning control
9512         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9513
9514 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9515
9516         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9517         &PTR->FLD a dereference of PTR.
9518         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9519         a potential dereference of PTR.
9520
9521 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9522
9523         PR rtl-optimization/20370
9524         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9525         call allocate_reg_info if necessary.
9526
9527         PR rtl-optimization/21848
9528         * calls.c (emit_library_call_value_1): For const functions, add
9529         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9530
9531         PR rtl-optimization/22445
9532         * cselib.c (target.h): Include.
9533         (rtx_equal_for_cselib_p): Allow commutative matches.
9534         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9535         Remove MODE parameter.  Changed all callers.
9536
9537         PR rtl-optimization/22258
9538         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9539         New functions.
9540         (try_combine): Use likely_spilled_retval_p.
9541
9542 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9543
9544         * config.gcc: Add crx-elf support.
9545
9546         * doc/contrib.texi: Mention crx.
9547         * doc/extend.texi: Document crx extensions.
9548         * doc/install.texi: Document crx install.
9549         * doc/invoke.texi: Document crx options.
9550         * doc/md.texi: Document crx constraints.
9551
9552         * config/crx/crx-protos.h: New file.
9553         * config/crx/crx.c: New file.
9554         * config/crx/crx.h: New file.
9555         * config/crx/crx.md: New file.
9556         * config/crx/crx.opt: New file.
9557         * config/crx/t-crx: New file.
9558
9559 2005-07-22  Manfred Hollstein  <mh@suse.com>
9560
9561         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9562         warnings.
9563         (int_add_graph_edge): Likewise.
9564         (collapse_nodes): Likewise.
9565         (process_unification_queue): Likewise.
9566
9567 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9568             Laurent GUERBY  <laurent@guerby.net>
9569
9570         PR tree-optimization/22336
9571         * function.c (record_block_change): Check for
9572         cfun->ib_boundaries_block.
9573
9574 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9575
9576         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9577         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9578
9579 2005-07-21  DJ Delorie  <dj@redhat.com>
9580
9581         * toplev.c (warn_deprecated_use): Add warning control to warning
9582         call.
9583         * c-typeck.c (parser_build_binary_op): Likewise.
9584         (c_finish_if_stmt): Likewise.
9585         * c-common.c (check_function_sentinel): Likewise.
9586         (check_nonnull_arg): Likewise.
9587
9588 2005-07-21  Richard Henderson  <rth@redhat.com>
9589
9590         PR tree-opt/22504
9591         * tree-complex.c (complex_ssa_name_components): New.
9592         (cvc_lookup): Allow entry not found.
9593         (create_components): Remove.
9594         (create_one_component_var, get_component_var): New.
9595         (get_component_ssa_name, set_component_ssa_name): New.
9596         (extract_component): Use get_component_ssa_name.
9597         (update_complex_components): Use set_component_ssa_name.
9598         (update_complex_components_on_edge): Likewise.
9599         (update_phi_components): Create new PHI nodes directly, instead
9600         of adding insns to edges.
9601         (tree_lower_complex): Allocate and free complex_variable_components
9602         and complex_ssa_name_components here.
9603
9604 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9605
9606         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9607         revert to returning false.
9608
9609 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9610
9611         PR target/21149
9612         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9613
9614 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9615
9616         PR target/22576
9617         * config/i386/i386.md (cmpxf): Change operand constraints
9618         to "nonmemory_operand".
9619
9620 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9621
9622         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9623
9624 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9625
9626         PR middle-end/21180
9627         * fold-const.c (fold_build1): Add checksum for the operands.
9628         (fold_build2): Likewise.
9629         (fold_build3): Likewise.
9630
9631 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9632
9633         PR middle-end/19055
9634         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9635
9636 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9637
9638         * common.opt (-fforward-propagate): Committed by mistake,
9639         removed.
9640
9641 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9642
9643         * reg-stack.c: Fix comment typo(s).
9644         * tree-ssa-operands.c: Likewise.
9645         * tree-vectorizer: Likewise.
9646
9647 2005-07-21  Nick Clifton  <nickc@redhat.com>
9648
9649         * config/sh/symbian.c: Replace C++ style line comments with C
9650         style line comments.
9651         (symbian_add_attribute): Do not use a ? operator on the LHS of
9652         an assignment.
9653         (sh_symbian_handle_dll_attribute): Change the type of the
9654         method vector to "VEC(tree,gc)*" and use vector accessor
9655         macros to walk over the elements.
9656         (symbian_export_vtable_and_rtti_p): Likewise.
9657         (symbian_class_needs_attribute_p): Likewise.
9658
9659 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9660
9661         PR target/22085
9662         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9663         initialize targetm.resolve_overloaded_builtin here.
9664         (altivec_expand_overloaded_builtin): Make it non-static.
9665         * config/rs6000/rs6000-protos.h
9666         (altivec_expand_overloaded_builtin): New prototype.
9667         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9668         targetm.resolve_overloaded_builtin here.
9669         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9670
9671 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9672             Zdenek Dvorak  <dvorakz@suse.cz>
9673
9674         PR tree-optimization/19210
9675         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9676         New.
9677         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9678         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9679         rely on unproven assumptions.
9680         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9681         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9682         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9683         to number_of_iterations_exit.
9684         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9685         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9686         * tree-ssa-loop-niter.c (find_loop_niter,
9687         estimate_numbers_of_iterations_loop): Likewise.
9688         (number_of_iterations_exit): Honor the new options.
9689         * doc/invoke.texi (Wunsafe-loop-optimizations,
9690         funsafe-loop-optimizations): Document them.
9691
9692 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9693
9694         PR rtl-optimization/22167
9695         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9696
9697 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9698
9699         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9700         __do_global_dtors_aux longcall.
9701
9702 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9703
9704         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9705         (old_special_pred_table): Don't reference
9706         SPECIAL_MODE_PREDICATES.
9707         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9708         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9709         * config/sh/predicates.h: Don't mention
9710         SPECIAL_MODE_PREDICATES.
9711         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9712         Remove.
9713
9714 2005-07-20  DJ Delorie  <dj@redhat.com>
9715
9716         * config.gcc: Add m32c-elf support.
9717
9718         * doc/contrib.texi: Mention m32c.
9719         * doc/extend.texi: Document m32c extensions.
9720         * doc/install.texi: Mention m32c.
9721         * doc/invoke.texi: Document m32c options.
9722         * doc/md.texi: Document m32c constraints.
9723
9724         * config/m32c/addsub.md: New file.
9725         * config/m32c/bitops.md: New file.
9726         * config/m32c/cond.md: New file.
9727         * config/m32c/jump.md: New file.
9728         * config/m32c/m32c-lib1.S: New file.
9729         * config/m32c/m32c-lib2.c: New file.
9730         * config/m32c/m32c-modes.def: New file.
9731         * config/m32c/m32c-pragma.c: New file.
9732         * config/m32c/m32c-protos.h: New file.
9733         * config/m32c/m32c.abi: New file.
9734         * config/m32c/m32c.c: New file.
9735         * config/m32c/m32c.h: New file.
9736         * config/m32c/m32c.md: New file.
9737         * config/m32c/m32c.opt: New file.
9738         * config/m32c/minmax.md: New file.
9739         * config/m32c/mov.md: New file.
9740         * config/m32c/muldiv.md: New file.
9741         * config/m32c/predicates.md: New file.
9742         * config/m32c/prologue.md: New file.
9743         * config/m32c/shift.md: New file.
9744         * config/m32c/t-m32c: New file.
9745
9746 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9747
9748         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9749         (stack_protect_set, stack_protect_test): New expanders.
9750         (stack_protect_set_si, stack_protect_set_si_media,
9751         stack_protect_set_di_media, stack_protect_test_si,
9752         stack_protect_test_si_media, stack_protect_test_di_media):
9753         New insns.
9754
9755 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9756
9757         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9758
9759 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9760
9761         * tree.h (tree_expr_nonzero_p): Export.
9762         * fold-const.c (tree_expr_nonzero_p): Likewise.
9763         Return true for CALL_EXPRs that are alloca calls.
9764         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9765         against zero.
9766         * tree-flow.h (expr_computes_nonzero): Remove.
9767         * tree-vrp.c (expr_computes_nonzero): Remove.
9768         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9769         (extract_range_from_unary_expr): Likewise.
9770         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9771         tree_expr_nonzero_p.
9772
9773 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9774
9775         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9776         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9777         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9778         All callers changed.
9779         (frame_related_constant_load): New arg "related" which controls
9780         setting of RTX_FRAME_RELATED_P.  All callers changed.
9781         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9782         (bfin_expand_prologue): Add stack limit checking.
9783         * config/bfin/bfin.md (trapifcc): New pattern.
9784
9785         * config/bfin/bfin.c: Include "langhooks.h".
9786         (def_builtin): Go through lang_hooks to call builtin_function.
9787
9788         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9789         * config/bfin/predicates.md (symbol_ref_operand): New.
9790         (call_insn_operand): Delete.  All callers changed to use
9791         register_no_elim_operand.
9792         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9793         call_cookie field.
9794         (function_arg): Use it to generate the call's operand 2.
9795         (bfin_longcall_p): New function.
9796         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9797         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9798         determine if the address needs to be in a REG.
9799         (bfin_handle_longcall_attribute): New function.
9800         (bfin_attribute_table): Add "longcall" and "shortcall".
9801         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9802         (CUMULATIVE_ARGS): New member call_cookie.
9803         (PREDICATE_CODES): Add symbol_ref_operand.
9804         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9805         extra USE to the pattern.
9806         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9807         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9808         sibcall_value_insn; now the new patterns handle direct calls and the
9809         old ones indirect calls.
9810         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9811
9812 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9813
9814         * doc/trouble.texi: Update section on handling of empty loops.
9815
9816 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9817
9818         * config.gcc: Remove support for sparc-*-openbsd*,
9819         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9820         ns32k-*-netbsd*.
9821         * config.host: Remove support for i860-*-sysv4* as a host.
9822         * config/i860/*, config/ip2k/*, config/ns32k/*,
9823         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9824         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9825         mention obsolete ports.
9826
9827 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9828
9829         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9830         soft frame pointer.
9831         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9832         of frame_pointer_rtx.
9833         (sh_expand_epilogue): Likewise.
9834         (sh_set_return_address): Likewise.
9835         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9836         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9837         offsets from FRAME_POINTER_REGNUM.
9838         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9839         (sh_register_names): Add initializer for sfp.
9840         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9841         (VALID_REGISTER_P): Likewise.
9842         (FIRST_PSEUDO_REGISTER): Update.
9843         (DWARF_FRAME_REGISTERS): Define.
9844         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9845         (HARD_FRAME_POINTER_REGNUM): Define.
9846         (FRAME_POINTER_REGNUM): Redefine.
9847         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9848         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9849         from FRAME_POINTER_REGNUM.
9850         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9851         FRAME_POINTER_REGNUM.
9852         (REG_CLASS_CONTENTS): Add sfp.
9853         (REG_ALLOC_ORDER): Likewise.
9854         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9855         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9856         of frame_pointer_rtx.
9857         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9858
9859 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9860
9861         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9862         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9863         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9864         of an ABS_EXPR.
9865         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9866         ABS_EXPR<x>.
9867
9868 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9869
9870         Make CONSTRUCTOR use VEC to store initializers.
9871         * c-common.c (complete_array_type): Update to cope with VEC in
9872         CONSTRUCTOR_ELTS.
9873         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9874         (pp_c_constructor_elts): New function.
9875         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9876         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9877         struct constructor_stack, struct initializer_stack,
9878         constructor_elements, push_init_level, pop_init_level,
9879         add_pending_init, find_init_member, output_init_element): Update to
9880         cope with VEC in CONSTRUCTOR_ELTS.
9881         * coverage.c (build_fn_info_value, build_ctr_info_value,
9882         build_gcov_info): Likewise.
9883         * expr.c (categorize_ctor_elements_1, store_constructor,
9884         expand_expr_real_1): Likewise.
9885         * fold-const.c (fold_ternary): Likewise.
9886         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9887         gimplify_init_constructor, gimplify_expr): Likewise.
9888         * tree-dump.c (dequeue_and_dump): Likewise.
9889         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9890         node.
9891         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9892         CONSTRUCTOR_ELTS.
9893         * tree-sra.c (generate_element_init_1): Likewise.
9894         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9895         * tree-ssa-operands.c (get_expr_operands): Likewise.
9896         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9897         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9898         (get_initial_def_for_reduction): Likewise.
9899         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9900         value handle in annotations.
9901         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9902         tree_node_structure): Add support for constr_kind.
9903         (build_vector_from_ctor, build_constructor_single,
9904         build_constructor_from_list): New functions.
9905         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9906         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9907         Update to cope with VEC in CONSTRUCTOR_ELTS.
9908         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9909         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9910         CONSTRUCTOR_APPEND_ELT): New macros.
9911         (struct constructor_elt, struct tree_constructor): New data types.
9912         (union tree_node): Add tree_constructor field.
9913         * treestruct.def: Define TS_CONSTRUCTOR.
9914         * varasm.c (const_hash_1, compare_constant, copy_constant,
9915         compute_reloc_for_constant, output_addressed_constants,
9916         initializer_constant_valid_p, output_constant,
9917         array_size_for_constructor, output_constructor): Update to cope with
9918         VEC in CONSTRUCTOR_ELTS.
9919         * vec.h (VEC_empty, VEC_copy): New macros.
9920
9921 2005-07-19  Devang Patel  <dpatel@apple.com>
9922
9923         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9924
9925 2005-07-19  Richard Henderson  <rth@redhat.com>
9926
9927         PR tree-opt/22278
9928         * gimplify.c (gimplify_expr): Use main variant type for the temp
9929         destination for a discarded volatile read.
9930         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9931         casts between non-void types that change volatility.
9932
9933 2005-07-15  DJ Delorie  <dj@redhat.com>
9934
9935         * toplev.h: Add comment about the first parameter for warning().
9936         * errors.h: Likewise.
9937
9938         * c.opt (Wpragmas): New.
9939         * doc/invoke.texi: Document it.
9940
9941         * function.c (do_warn_unused_parameter): Add warning control to
9942         warning call.
9943         * c-decl.c (warn_if_shadowing): Likewise.
9944         * c-lex.c (cb_def_pragma): Likewise.
9945         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9946         (pop_alignment): Likewise.
9947         (handle_pragma_pack): Likewise.
9948         (apply_pragma_weak): Likewise.
9949         (handle_pragma_weak): Likewise.
9950         (handle_pragma_redefine_extname): Likewise.
9951         (add_to_renaming_pragma_list): Likewise.
9952         (handle_pragma_extern_prefix): Likewise.
9953         (maybe_apply_renaming_pragma): Likewise.
9954         (handle_pragma_visibility): Likewise.
9955
9956         * config/c4x/c4x-c.c (BAD): Likewise.
9957         (c4x_parse_pragma): Likewise.
9958         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9959         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9960         (rs6000_pragma_longcall): Likewise.
9961         * config/v850/v850-c.c (pop_data_area): Likewise.
9962         (ghs_pragma_section): Likewise.
9963         (ghs_pragma_section): Likewise.
9964         (ghs_pragma_interrupt): Likewise.
9965         (ghs_pragma_starttda): Likewise.
9966         (ghs_pragma_startsda): Likewise.
9967         (ghs_pragma_startzda): Likewise.
9968         (ghs_pragma_endtda): Likewise.
9969         (ghs_pragma_endsda): Likewise.
9970         (ghs_pragma_endzda): Likewise.
9971
9972 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9973             Kenneth Zadeck <zadeck@naturalbridge.com>
9974
9975         * Makefile.in: Removed tree-promote-statics.c
9976         * tree-promote-statics.c: Removed.
9977         * common.opt: Removed flag-promote-statics.
9978         * opts.c: Ditto.
9979         * passes.c: Removed tree-promote-statics pass.
9980         * tree-pass.h: Ditto.
9981         * timevar.def: Removed TV_PROMOTE_STATICS.
9982
9983
9984 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9985
9986         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9987         and *-*-freebsd9.
9988         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9989
9990 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9991
9992         PR c/22476
9993         * c-common.c (check_function_arguments): Call
9994         'check_function_format' if either -Wformat or
9995         -Wmissing-format-attribute are specified.
9996         * c-format.c (check_function_format): Check -Wformat before
9997         calling 'check_format_info'.
9998         * c-opts.c (c_common_post_options): Don't warn for
9999         -Wmissing-format-attribute without -Wformat.
10000         * c-typeck.c (convert_for_assignment): Detect additional cases for
10001         -Wmissing-format-attribute.
10002         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10003         behavior.
10004
10005 2005-07-19  Richard Guenther  <rguenther@suse.de>
10006
10007         * config/i386/i386.md (lrint<mode>2): Use temporary
10008         instead of clobbering non-existent memory.
10009
10010 2005-07-19  Nick Clifton  <nickc@redhat.com>
10011
10012         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10013         statement to avoid displaying ASCII control characters.
10014
10015 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10016
10017         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10018         * cfganal.c (find_edge_index): Ditto.
10019         * combine.c (combine_instructions): Ditto.
10020         * ddg.c (create_scc): Ditto.
10021         (find_successors): Ditto.
10022         (find_predecessors): Ditto.
10023         (find_nodes_on_paths): Ditto.
10024         (longest_simple_path): Ditto.
10025         * flow.c (update_life_info): Ditto.
10026         (count_or_remove_death_notes): Ditto.
10027         (clear_log_links): Ditto.
10028         * modulo-sched.c (generate_reg_moves): Ditto.
10029         (find_max_asap): Ditto.
10030         (find_max_hv_min_mob): Ditto.
10031         (find_max_dv_min_mob): Ditto.
10032         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10033         * sched-rgn.c (extract_edgelst): Ditto.
10034         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10035         (dump_update_ssa): Ditto.
10036         (ssa_names_to_replace) Ditto.
10037         (switch_virtuals_to_full_rewrite): Ditto.
10038         (update_ssa): Ditto.
10039         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10040
10041 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10042
10043         Fix PR tree-optimization/22483
10044
10045         * tree-complex.c (create_components): Use
10046         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10047         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10048         * tree-flow.h (safe_referenced_var_iterator): New structure.
10049         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10050         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10051         safe_referenced_var iterator.
10052         (add_type_alias): Ditto.
10053
10054 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10055
10056         * loop-init.c (rest_of_handle_loop2): Remove.
10057         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10058         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10059         (pass_rtl_loop_init, pass_rtl_loop_done,
10060         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10061         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10062         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10063         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10064         pass_tree_loop_done, and pass_tree_unswitch.
10065         (gate_loop): Rename to gate_tree_loop.
10066         * passes.c (init_optimization_passes): Update for renamed tree
10067         loop passes.  Add the new loop2 passes as subpasses of loop2.
10068         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10069         Update for the renamed tree loop passes.
10070
10071 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10072
10073         PR middle-end/22057
10074         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10075         blocks when optimizing.
10076
10077 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10078
10079         * common.opt (frename-registers): Initialize to 2.
10080         (fweb): Ditto.
10081         (fgcse-after-reload): Ditto.
10082         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10083         (process_options): Only change flag_web, flag_rename_registers,
10084         and flag_rerun_cse_after_loop if not explicitly set by user.
10085
10086 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10087
10088         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10089         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10090         in 64-bit mode the same as DImode in 32-bit mode.
10091         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10092         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10093         mode. Add new mode parameter.
10094         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10095         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10096         x86_64_shift_adj): New expanders.
10097         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10098         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10099         insns.
10100         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10101         DImode shift splitters.
10102         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10103         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10104         mode parameter.
10105
10106 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10107
10108         * i386.md (movdi_extzv_1): New.
10109         (zero_extendhidi2): Combine alternatives and never force use of
10110         REX64 prefix.
10111         (zero_extendqidi2): Likewise. Don't restrict input selection.
10112
10113 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10114
10115         Fix PR tree-optimization/22531
10116         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10117          moment.
10118
10119 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10120
10121         * tree-promote-statics.c (pass_promote_statics): Change dump file
10122          name.
10123
10124 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10125
10126         * tree-optimize.c (init_tree_optimization_passes): Add
10127         pass_eliminate_useless_stores pass.
10128         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10129         * tree-ssa-pre.c (is_copy_stmt): New function.
10130         (follow_copies_till_vuse): Ditto.
10131         (do_eustores): Ditto.
10132         (gate_eustores): Ditto.
10133
10134 2005-07-16  Richard Henderson  <rth@redhat.com>
10135
10136         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10137
10138 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10139            Kenneth Zadeck <zadeck@naturalbridge.com>
10140
10141         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10142         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10143         ipa-type-escape.h, tree-promote-statics.c
10144         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10145         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10146         tree-promote-statics.c: new files.
10147         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10148         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10149         int nonlocal_set_p, mark_constant_function): Deleted.
10150         (rest_of_handle_cfg): Removed call to mark_constant_function.
10151         (nonoverlapping_component_refs_p): Added calls to support
10152         type based aliasing.
10153         * tree-ssa-alias.c (may_alias_p,
10154         compute_flow_insensitive_aliasing): Ditto.
10155         * calls.c (flags_from_decl_or_type): Removed reference to
10156         cgraph_rtl_info.
10157         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10158         too many arguments.  This is necessary for Spec 2000.
10159         * cgraph.h (const_function, pure_function): Removed.
10160         * common.opt: Added "fipa-pure-const", "fipa-reference",
10161         "fipa-type-escape", and "ftree-promote-static".
10162         * opts.c: Ditto.
10163         * passes.c: Added ipa and tree-promote-statics passes.
10164         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10165         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10166         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10167         * tree-flow.h: Added exposed sra calls and addition of
10168         reference_vars_info field for FUNCTION_DECLS.
10169         * tree-pass.h: Added passes.
10170         * tree-sra.c: (sra_init_cache): New function.
10171         (sra_insert_before, sra_insert_after) Made public.
10172         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10173         and made public.
10174         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10175         aliasing. (may_alias_p): Added code to use type escape analysis to
10176         improve alias sets.
10177         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10178         code to prune clobbers of static variables based on information
10179         produced in ipa-reference pass.  Changed call clobbering so that
10180         statics are not marked as clobbered if the call does not clobber
10181         them.
10182
10183 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10184
10185         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10186         too.
10187
10188 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10189
10190         * doc/install.texi (*-*-solaris2*): Document recommended version
10191         of GNU binutils and mention GNU linker problem on Solaris 10.
10192
10193 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10194
10195         PR c/22421
10196         * c-decl.c (c_build_bitfield_integer_type): New function.
10197         (finish_struct): Call it.
10198         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10199
10200 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10201
10202         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10203         before returning.
10204
10205 2005-07-16  Jan Hubicka  <jh@suse.cz>
10206
10207         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10208         (scale_bbs_frequencies_int): Watch roundoff errors.
10209         * predict.c (return_prediction): Initialize return_stmt.
10210
10211 2005-07-16  Jan Hubicka  <jh@suse.cz>
10212
10213         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10214         after RTL profiling.
10215
10216 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10217
10218         PR middle-end/22398
10219         * fold-const.c (build_range_check): Convert high/low to etype
10220         if we are only comparing against exp.
10221
10222 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10223
10224         Fix PR tree-optimization/22376
10225         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10226         special var here.
10227         (need_to_solve): New function.
10228         (compute_points_to_sets): Use it.
10229
10230 2005-07-15  Jan Hubicka  <jh@suse.cz>
10231
10232         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10233         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10234
10235 2005-07-15  Richard Guenther  <rguenther@suse.de>
10236
10237         * c-common.c (handle_flatten_attribute): New function.
10238         Add flatten function attribute.
10239         * doc/extend.texi: Document flatten function attribute.
10240         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10241         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10242         New functions.
10243         (cgraph_decide_inlining): Handle functions with flatten
10244         attribute.
10245
10246 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10247
10248         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10249         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10250         UNSPEC_XCHG, UNSPEC_AND): New.
10251         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10252         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10253         * config/rs6000/sync.md (FETCHOP): New code macro.
10254         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10255         New code attrs.
10256         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10257         (sync_compare_and_swap<mode>): Same.
10258         (sync_lock_test_and_set<mode>): Same.
10259         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10260         for QImode and HImode, and not PPC405.
10261         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10262         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10263         (sync_<fetchop>{si,di}_internal): New.
10264         (sync_nand{si,di}_internal): New.
10265         (sync_old_<fetchop>{si,di}_internal): New.
10266         (sync_old_nand{si,di}_internal): New
10267         (sync_new_<fetchop>{si,di}_internal): New.
10268         (sync_new_nand{si,di}_internal): New.
10269         (atomic_and{si,di}): New.
10270         (sync_new_nand{si,di}_internal): New.
10271         (atomic_and{si,di}): New.
10272         (sync_add<mode>_internal): Delete.
10273         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10274         (sync_sub<mode>_internal): Delte.
10275         (sync_subshort_internal): New.
10276         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10277         (sync_anddi_internal): Delete.
10278         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10279         (sync_booldi_internal): Delete.
10280         (sync_boolc<mode>_internal): Delete.
10281         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10282         (sync_boolc<mode>_internal2): Delete.
10283         (sync_boolcc<mode>_internal): Delete.
10284         (isync, lwsync): Use unspec instead of unspec_volatile.
10285         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10286         Revert UNSPEC_VOLATILE.
10287         (rs6000_split_atomic_op): New.
10288         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10289
10290 2005-07-14  Eric Christopher  <echristo@redhat.com>
10291
10292         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10293         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10294
10295 2005-07-14  Eric Christopher  <echristo@redhat.com>
10296
10297         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10298
10299 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10300
10301         PR tree-optimization/22230
10302         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10303         the computation of the four cross productions for "range op range".
10304
10305 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10306             Ulrich Weigand  <uweigand@de.ibm.com>
10307
10308         PR target/20126
10309         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10310         in some insn.
10311
10312 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10313
10314         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10315
10316 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10317
10318         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10319
10320 2005-07-14  Richard Guenther  <rguenther@suse.de>
10321
10322         PR middle-end/22347
10323         * config/i386/i386-protos.h (ix86_function_value): Change
10324         prototype to match new target hook.
10325         * config/i386/i386.c (ix86_value_regno): Change prototype
10326         to take extra type argument.
10327         (TARGET_FUNCTION_VALUE): Define.
10328         (ix86_function_ok_for_sibcall): Pass extra argument to
10329         ix86_value_regno, check return slot rtx for exact match.
10330         (ix86_function_value): Take extra parameter.  Dispatch to
10331         ix86_value_regno with fndecl/fntype as provided.
10332         (ix86_value_regno): Handle extra type argument.
10333         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10334
10335         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10336         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10337         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10338         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10339         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10340
10341 2005-07-14  Richard Guenther  <rguenther@suse.de>
10342
10343         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10344         * calls.c (expand_call): Pass fntype to hard_function_value.
10345         (emit_library_call_value_1): Likewise.
10346         * explow.c: Include target.h.
10347         (hard_function_value): Take extra argument, the fntype.
10348         Use new target hook for function_value.
10349         * expr.h (hard_function_value): Change prototype.
10350         * function.c (aggregate_value_p): Pass 0 as fntype to
10351         hard_function_value.
10352         (assign_parms): Use new target hook for function_value.
10353         Pass 0 as fntype to hard_function_value.
10354         (expand_function_end): Likewise.
10355         * reg-stack.c: Include target.h.
10356         (stack_result): Use new target hook for function_value.
10357         * target-def.h: New target hook function_value.
10358         * target.h: Likewise.
10359         * targhooks.c (default_function_value): New function.
10360         * targhooks.h (default_function_value): Declare.
10361
10362 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10363
10364         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10365
10366 2005-07-14  Jan Hubicka  <jh@suse.cz>
10367
10368         * tree-dfa.c (dump_variable): Use default_def function.
10369         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10370         * tree-ssa.c (verify_use): Likewise.
10371         * tree-ssanames.c (release_ssa_name): Likewise.
10372         * tree-tailcall.c (eliminate_tail_call): Likewise.
10373         (tree_optimize_tail_calls_1): Likewise.
10374         * tree-vrp.c (get_value_range): Likewise.
10375
10376 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10377
10378         * gcc.c (main): Compare language[0] with '*' when iterating over
10379         the infiles.
10380
10381 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10382
10383         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10384         "s390_emit_compare".  Add handling of CCZ1mode.
10385         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10386         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10387         checking.
10388         (s390_branch_condition_mask): Add CCZ1mode handling.
10389         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10390         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10391         Use CCZ1mode instead of CCZmode.
10392         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10393
10394 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10395
10396         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10397         pattern.
10398         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10399
10400 2005-07-13  Eric Christopher  <echristo@redhat.com>
10401
10402         * config/mips/mips.c (mips_canonicalize_comparison): New.
10403         (mips_emit_int_relational): Use.
10404
10405 2005-07-13  Eric Christopher  <echristo@redhat.com>
10406
10407         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10408         static extra parts.
10409         * config/s390/s390.md: Include tpf.md. Move tpf specific
10410         patterns...
10411         * config/s390/tpf.md: To here.
10412         * config/s390/s390.opt: Move tpf specific options...
10413         * config/s390/tpf.opt: to here. Add mmain option.
10414         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10415         * config/s390/tpf.h: Rewrite.
10416
10417 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10418
10419         * doc/tm.texi: Remove @xref{Cross-profiling}.
10420
10421 2005-07-13  Jeff Law  <law@redhat.com>
10422
10423         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10424         expressions, test their _DECL operands for pointer equality rather
10425         than using operand_equal_p.
10426
10427 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10428
10429         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10430         (TARGET_POSIX_IO): This.
10431         * config/darwin.h: Likewise.
10432         * config/freebsd.h: Likewise.
10433         * config/linux.h: Likewise.
10434         * config/lynx.h: Likewise.
10435         * config/netbsd.h: Likewise.
10436         * config/rs6000/linux64.h: Likewise.
10437         * config/rs6000/linux.h: Likewise.
10438         * config/s390/tpf.h: Likewise.
10439         * config/sh/embed-elf.h: Likewise.
10440         * config/sparc/linux64.h: Likewise.
10441         * config/sparc/linux.h: Likewise.
10442         * config/svr4.h: Likewise.
10443         * gcov-io.h: Likewise.
10444
10445         * doc/tm.texi: Updated.
10446
10447         * libgcov.c (create_file_directory): Defined only if
10448         TARGET_POSIX_IO is defined.
10449         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10450         is defined.
10451
10452 2005-07-13  Jan Hubicka  <jh@suse.cz>
10453
10454         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10455
10456 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10457
10458         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10459         structure as argument.
10460
10461 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10462
10463         PR tree-optimization/21921
10464         * tree-iterator.c (tsi_link_before): Support the case when
10465         tsi_end_p (tsi) == true.
10466
10467 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10468
10469         PR tree-optimization/22442
10470         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10471         correctly.
10472
10473 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10474
10475         PR rtl-optimization/20376
10476         * toplev.c (process_options): Enable -fweb and -frename-registers when
10477         unrolling.
10478         * doc/invoke.texi: Update the information about when -fweb and
10479         -frename-registers are enabled.
10480
10481 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10482
10483         PR tree-opt/21840
10484         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10485         if *rhs_p is not a SSA_NAME.
10486
10487 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10488
10489         Fix PR tree-optimization/22422
10490         * tree-ssa-structalias.c (struct variable_info): Add flag for
10491         special vars.
10492         (get_varinfo): Now a static function.
10493         (new_varinfo): init has_union and is_special_var to false.
10494         (solution_set_add): Check has_union.
10495         (do_da_constraint): Move temporary variable so it gets reset
10496         properly.
10497         Also check for special variable.
10498         (do_ds_constraint): Ditto.
10499         (do_sd_constraint): Ditto.
10500         (do_structure_copy): Check for special variable.
10501         (find_func_aliases): Ditto.
10502         (init_base_vars): Set special vars properly.
10503
10504 2005-07-13  Jan Hubicka  <jh@suse.cz>
10505
10506         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10507         do unit-at-a-time.
10508
10509         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10510         (get_expr_operands): Fix thinko wrt flags and subvars.
10511
10512         PR tree-optimize/22379
10513         * tree-inline.c (expand_call_inline): Do not output sorry in early
10514         inlining.
10515
10516 2005-07-12  Dale Johannesen  <dalej@apple.com>
10517
10518         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10519
10520 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10521
10522         PR bootstrap/21704
10523         * host-linux.h: Include limits.h.
10524
10525 2005-07-12  Dale Johannesen  <dalej@apple.com>
10526
10527         * expr.c (compress_float_constant):  Add cost check.
10528         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10529
10530 2005-07-12  Dale Johannesen  <dalej@apple.com>
10531
10532         * gcc.target/i386/compress-float-sse.c:  New.
10533         * gcc.target/i386/compress-float-sse-pic.c:  New.
10534         * gcc.target/i386/compress-float-387.c:  New.
10535         * gcc.target/i386/compress-float-387-pic.c:  New.
10536         * gcc.dg/compress-float-ppc.c:  New.
10537         * gcc.dg/compress-float-ppc-pic.c:  New.
10538
10539 2005-07-12  Eric Christopher  <echristo@redhat.com>
10540
10541         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10542         static extra parts.
10543         * config/s390/s390.md: Include tpf.md. Move tpf specific
10544         patterns...
10545         * config/s390/tpf.md: To here.
10546         * config/s390/s390.opt: Move tpf specific options...
10547         * config/s390/tpf.opt: to here. Add mmain option.
10548         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10549         * config/s390/tpf.h: Rewrite.
10550
10551 2005-07-12  Eric Christopher  <echristo@redhat.com>
10552
10553         * gcc.c (struct infile): Update comment for language.
10554         (main): Rewrite input file resetting code.
10555
10556 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10557
10558         PR tree-opt/22335
10559         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10560         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10561         (lookup_avail_expr): Use constant_boolean_node instead
10562         of boolean_false_node/boolean_true_node.
10563
10564 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10565
10566         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10567         and use it when printing num_edges.
10568
10569 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10570
10571         * doc/extend.texi (Blackfin Built-in Functions): New section.
10572         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10573         @opindex.
10574
10575 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10576
10577         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10578         s/cmpstrsi/cmpstrnsi
10579         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10580         'cmpstrnsi'.
10581         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10582         (init_optabs): Initialize cmpstrn_optab.
10583         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10584         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10585         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10586         * config/i386/i386.md: s/cmpstr/cmpstrn
10587         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10588         * doc/md.texi: Update documentation.
10589
10590 2005-07-11  Richard Henderson  <rth@redhat.com>
10591
10592         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10593         build_va_arg_indirect_ref.
10594         (alpha_gimplify_va_arg): Likewise.
10595         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10596         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10597         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10598         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10599         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10600         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10601         Likewise.
10602         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10603
10604 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10605
10606         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10607         * passes.c (init_optimization_passes): Add pass_empty_loop.
10608         * tree-pass.h (pass_empty_loop): Declare.
10609         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10610         try_remove_empty_loop, remove_empty_loops): New functions.
10611         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10612         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10613
10614 2005-07-12  Peter Barada  <peter@the-baradas.com>
10615
10616         PR middle-end/16719
10617         PR middle-end/18421
10618         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10619         in address registers.
10620         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10621         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10622         alternative of addsi3_5200.
10623
10624 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10625
10626         * config/mips/mips.md (ffs<mode>2): Remove.
10627
10628 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10629
10630         * doc/tree-ssa.texi (Cleanups): Improve description of
10631         TRY_FINALLY_EXPR.
10632         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10633
10634 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10635
10636         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10637         * tree.h (DECL_ARGUMENT_FLD): New macro.
10638
10639 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10640
10641         Fix PR tree-optimization/22404
10642
10643         * tree-ssa-structalias.c (create_variable_info_for): Use
10644         correct offset.
10645
10646 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10647
10648         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10649         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10650         for second comparison operand.
10651         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10652
10653         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10654         (define_insn_reservation "alu"): Likewise.
10655         (csync, ssync): Now of type sync.
10656         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10657         -mcsync-anomaly -mspecld-anomaly.
10658         * config/bfin/bfin.opt (mcsync): Remove.
10659         (mcsync-anomaly, mspecld-anomaly): Add.
10660         * config/bfin/bfin.c: Include "insn-codes.h".
10661         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10662         (TARGET_DEFAULT_TARGET_FLAGS): New.
10663         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10664
10665 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10666
10667         * basic-block.h: Give the BB flags enum a name, bb_flags.
10668         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10669         * cfgcleanup.c (enum bb_flags): Remove here.
10670         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10671         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10672         (update_forwarder_flag): Likewise.
10673         (thread_jump): Likewise.
10674         (try_forward_edges): Likewise.
10675         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10676         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10677         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10678
10679 2005-07-11  Richard Guenther  <rguenther@suse.de>
10680
10681         * config/i386/i386.opt: New target option -msseregparm.
10682         * config/i386/i386.c (override_options): Error out for
10683         -msseregparm but no SSE support.
10684         (ix86_function_sseregparm): Check for global sseregparm.
10685         * doc/invoke.texi: Document -msseregparm.
10686
10687 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10688
10689         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10690         (m32rle-*-linux*): Ditto.
10691
10692 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10693
10694         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10695         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10696         bytes.
10697
10698 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10699
10700         PR middle-end/22239
10701         PR target/20126
10702         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10703         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10704
10705 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10706
10707         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10708         (varmap): Heapify varmap.
10709         (constraints): Heapify constraints.
10710         (struct constraint_graph): Heapify succs and preds.
10711         (constraint_vec_find): Update for heapification.
10712         (constraint_set_union): Ditto.
10713         (insert_into_complex): Ditto.
10714         (constraint_edge_vec_find): Ditto.
10715         (erase_graph_self_edge): Ditto.
10716         (add_graph_edge): Ditto.
10717         (get_graph_weights): Ditto.
10718         (merge_graph_nodes): Ditto.
10719         (build_constraint_graph): Ditto.
10720         (topo_visit): Ditto.
10721         (solve_graph): Ditto.
10722         (create_variable_info_for): Ditto.
10723         (init_base_vars): Ditto.
10724         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10725         (condese_varmap_nodes): Free complex vector.
10726         (clear_edges_for_node): Clear succs and preds vector.
10727
10728 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10729
10730         * tree-ssa-structalias.c (update_alias_info): Change counting of
10731         references to not include vdefs.
10732
10733 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10734
10735         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10736         (up_insert): Ditto.
10737
10738 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10739
10740         * pa.c (pa_commutative_p): Make PLUS commutative when
10741         TARGET_NO_SPACE_REGS is true.
10742
10743 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10744
10745         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10746         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10747         * tree-dfa.c (dump_subvars_for): New.
10748         (debug_subvars_for): New.
10749         (dump_variable): Show subvariables if VAR has them.
10750         * tree-flow-inline.h (get_subvar_at): New.
10751         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10752         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10753         Update all users.
10754         (struct subvar): Change fields offset and size to unsigned
10755         HOST_WIDE_INT.
10756         (dump_subvars_for): Declare.
10757         (debug_subvars_for): Declare.
10758         (get_subvar_at): Declare.
10759         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10760         to unsigned HOST_WIDE_INT *.
10761         (overlap_subvar): Likewise.
10762         * tree-gimple.c (is_gimple_reg): Always return false for
10763         SFTs and memory tags.
10764         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10765         Update all callers.
10766         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10767         (compute_may_aliases): Call compute_points_to_sets.
10768         (collect_points_to_info_for): Remove.
10769         (compute_points_to_and_addr_escape): Remove.
10770         (delete_alias_info): Call delete_points_to_sets.
10771         (compute_flow_sensitive_aliasing): If the call to
10772         find_what_p_points_to returns false, call set_pt_anything.
10773         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10774         (set_pt_anything): Clear pi->pt_vars.
10775         (set_pt_malloc): Remove.
10776         (merge_pointed_to_info): Remove.
10777         (add_pointed_to_expr): Remove.
10778         (add_pointed_to_var): Remove.
10779         (collect_points_to_info_r): Remove.
10780         (is_escape_site): Make extern.
10781         (create_sft): New.
10782         (create_overlap_variables_for): Call it.
10783         * tree-ssa-copy.c (merge_alias_info): Never merge
10784         flow-sensitive alias information.
10785         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10786         offset and size to be unsigned HOST_WIDE_INT.
10787         (add_to_addressable_set): Rename from note_addressable.
10788         Set TREE_ADDRESSABLE as the variables are added to the set.
10789         Update all users.
10790         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10791         operands into VUSEs when adding V_MAY_DEFs for members in an
10792         alias set.
10793         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10794         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10795         (struct variable_info): Add bitfield is_heap_var.
10796         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10797         (new_var_info): Initialize is_heap_var.
10798         (get_constraint_for): Add HEAP variables to the symbol table.
10799         Mark them with is_heap_var.
10800         (update_alias_info): New.  Taken mostly from the old
10801         compute_points_to_and_addr_escape.
10802         (handle_ptr_arith): New.
10803         (find_func_aliases): Call update_alias_info.
10804         Call handle_ptr_info for tcc_binary expressions.
10805         Call mark_stmt_modified.
10806         (create_variable_info_for): If DECL has subvars, do not create
10807         variables for its subvars.  Always add all the fields.
10808         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10809         SFTs, then add all the SFTs of the structure.
10810         If VI->DECL is an aggregate with subvariables, add the SFT at
10811         VI->OFFSET.
10812         (find_what_p_points_to): If VI is an artificial variable,
10813         translate to bitfields in SSA_NAME_PTR_INFO.
10814         If the solution is empty, set pi->pt_vars to NULL
10815         (init_base_vars): Create ANYOFFSET.
10816         (compute_points_to_sets): Rename from create_alias_vars.
10817         Make extern.
10818         (pass_build_pta): Remove.
10819         (delete_points_to_sets): Rename from delete_alias_vars.
10820         (pass_del_pta): Remove.
10821         * tree-ssa-structalias.h (struct alias_info): Move from
10822         tree-ssa-alias.h.
10823         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10824         NUM_REFERENCES_SET): Likewise.
10825         (compute_points_to_sets, delete_points_to_sets): Declare.
10826
10827 2005-07-09  Richard Henderson  <rth@redhat.com>
10828
10829         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10830         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10831         alpha_split_lock_test_and_set_12): New functions.
10832         * config/alpha/alpha-protos.h: Update.
10833         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10834         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10835         * config/alpha/sync.md (I12MODE): New.
10836         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10837         (sync_<fetchop_name><I48MODE>): Likewise.
10838         (sync_nand<I48MODE>): Likewise.
10839         (sync_old_<fetchop_name><I48MODE>): Likewise.
10840         (sync_new_<fetchop_name><I48MODE>): Likewise.
10841         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10842         (sync_compare_and_swap<I48MODE>): Likewise.
10843         (sync_lock_test_and_set<I48MODE>): Likewise.
10844         (sync_compare_and_swap<I12MODE>): New.
10845         (sync_compare_and_swap<I12MODE>_1): New.
10846         (sync_lock_test_and_set<I12MODE>): New.
10847         (sync_lock_test_and_set<I12MODE>_1): New.
10848
10849 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10850
10851         PR 21356
10852         PR 22332
10853         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10854
10855 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10856
10857         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10858         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10859
10860 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10861
10862         PR target/21656
10863         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10864
10865 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10866
10867         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10868         memory_operand constraint.
10869         (store_conditional_<mode>): Same.
10870         (sync_compare_and_swap<mode>): Same.
10871         (sync_lock_test_and_set<mode>): Same.
10872
10873 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10874
10875         Rewrite PIC support to more closely model actual instructions.
10876         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10877         (cris_symbol): Remove prototypes for removed functions.
10878         (cris_pic_symbol_type_of, cris_valid_pic_const)
10879         (cris_expand_pic_call_address): Prototypes for new functions.
10880         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10881         variable.
10882         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10883         modifiers.
10884         <case ':'>: Add case for new punctuation character.
10885         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10886         emitting (extra) PIC modifier.
10887         <case UNSPEC>: Do not assert for PLT.
10888         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10889         (cris_expand_prologue, cris_expand_epilogue): Check
10890         for pic_offset_table_rtx usage instead of taking
10891         current_function_uses_pic_offset_table as the final word.
10892         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10893         Remove flag_pic difference.
10894         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10895         the moral equivalents of...
10896         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10897         functions.
10898         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10899         (cris_handle_option): Mark ARG as unused.
10900         (cris_expand_pic_call_address): New worker function for "call",
10901         "call_value".
10902         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10903         output PIC constructs here.
10904         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10905         as symbol-specific modifers, not whole or part of operands.
10906         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10907         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10908         constants and flag_pic.
10909         (CONSTANT_INDEX_P): Adjust for new functions.
10910         (enum cris_pic_symbol_type): New helper type.
10911         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10912         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10913         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10914         define_constants.
10915         ("movsi"): Emit actual instructions for GOT and relative access.
10916         ("*movsi_got_load"): New pattern to set up the register holding
10917         the GOT pointer.
10918         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10919         Adjust FIXME for 'S'.
10920         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10921         Use "movs" for -fpic cases.
10922         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10923         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10924         ("call", "call_value"): Just call cris_expand_pic_call_address for
10925         PIC addresses.
10926         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10927         Remove special pattern.
10928         ("*expanded_call_side", "*expanded_call_value_side"): New
10929         patterns.
10930         (gotplt-to-plt, gotplt-to-plt-side-call)
10931         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10932         peephole2:s.
10933         * config/cris/cris/predicates.md
10934         ("cris_general_operand_or_gotless_symbol"): Remove unused
10935         predicate.
10936         ("cris_general_operand_or_symbol"): Adjust for new functions.
10937
10938 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10939
10940         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10941
10942 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10943
10944         * Makefile.in (TREE_H): Add treestruct.def.
10945         (c-decl.o): Add pointer-set.h
10946         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10947         visibility on regular DECL's.
10948         (merge_decls): Fix the copying of decl nodes of various types for
10949         the new structures.  Don't update RTL, section name, weak status,
10950         etc, on DECL's without RTL.
10951         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10952         Don't check volatile on non-variable types.
10953         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10954         to check whether we have seen arguments.
10955         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10956         flag is checked before field (flag is common, field is not).
10957         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10958         TS_DECL_COMMON could have an origin.
10959         (add_location_or_const_value_attribute): Don't check section name
10960         on non-var/function decls.
10961         (dwarf2out_var_location): Reverse order of tests.
10962         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10963         with DECL_WRTL_CHECK.
10964         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10965         * fold-const.c (fold_binary): Don't check weakness on
10966         non-var/function decls.
10967         (tree_expr_nonzero_p): Ditto.
10968         (fold_checksum_tree): Use tree_decl_extra as sizeof
10969         buffer.
10970         * ggc-page.c (extra_order_size_table): Add sizes for
10971         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10972         tree_field_decl.
10973         * gimplify.c (gimplify_bind_expr): Only set
10974         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10975         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10976         without RTL.
10977         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10978         * langhooks.h (init_ts). New langhook.
10979         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10980         * print-tree.c (print_node): Update to only print fields that
10981         exist in the structures the passed decl has.
10982         * toplev.c (wrapup_global_declarations): Don't reset
10983         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10984         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10985         * tree-inline.c (remap_decl): Ditto.
10986         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10987         * tree-pretty-print.c (print_declaration): Don't print
10988         DECL_REGISTER on things that don't contain it.
10989         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10990         non-var/function decls.
10991         * tree.c (tree_contains_struct): New structure.
10992         (init_priority_for_decl): New hashtable.
10993         (tree_int_map): New structure.
10994         (tree_int_map_eq): New function.
10995         (tree_int_map_marked_p): Ditto.
10996         (tree_int_map_hash): Ditto.
10997         (tree_map): Move to tree.h.
10998         (tree_map_eq): Externalize.
10999         (tree_map_hash): Ditto.
11000         (tree_map_marked_p): Ditto.
11001         (init_ttree): Set up tree_contains_struct and call langhook.
11002         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11003         (tree_code_size): Update for new structures.
11004         (tree_node_structure): Update for new structures.
11005         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11006         without the field.
11007         (copy_node_stat):  Copy init priority.
11008         (build_decl_stat): Ditto for visibility.
11009         (ts_enum_names): New.
11010         (tree_contains_struct_check_failed): New function.
11011         (decl_init_priority_lookup): Ditto.
11012         (decl_init_priority_insert): Ditto.
11013         * treestruct.def: New file.
11014         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11015         (CONTAINS_STRUCT_CHECK): Ditto.
11016         (tree_contains_struct_check_failed): New prototype.
11017         (DECL_CHECK): Removed.
11018         (DECL_MINIMAL_CHECK): New.
11019         (DECL_COMMON_CHECK): Ditto.
11020         (DECL_WRTL_CHECK): Ditto.
11021         (DECL_NON_COMMON_CHECK): Ditto.
11022         (DECL_WITH_VIS_CHECK): Ditto.
11023         (VAR_OR_FUNCTION_DECL_P): Ditto
11024         (struct tree_decl_minimal): New structure.
11025         (struct tree_decl_common): Ditto.
11026         (struct tree_decl_with_rtl): Ditto.
11027         (struct tree_decl_with_vis): Ditto.
11028         (struct tree_decl_non_common): Ditto.
11029         (struct tree_field_decl): Ditto.
11030         (struct tree_parm_decl): Ditto.
11031         (struct tree_var_decl): Ditto.
11032         (struct tree_function_decl): Ditto.
11033         (struct tree_const_decl): Ditto.
11034         (struct tree_result_decl): Ditto.
11035         (union tree_node): Add new structures.
11036         * var-tracking.c (track_expr_p): Reverse order of tests.
11037
11038         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11039
11040 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11041
11042         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11043         * system.h: Poison FINALIZE_PIC.
11044         * doc/tm.texi (FINALIZE_PIC): Remove.
11045
11046 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11047
11048         PR tree-opt/22329
11049         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11050         to the correct type if we have a MODIFY_EXPR.
11051
11052 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11053
11054         PR tree-optimization/22360
11055         * tree.c (upper_bound_in_type): Fix calculations for casting
11056         to a non-wider signed type and casting a signed value to a
11057         wider unsigned type.
11058         (lower_bound_in_type): Fix calculations for casting to a
11059         non-wider signed type.
11060
11061         PR tree-optimization/20139
11062         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11063         release_defs.
11064         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11065         fold_cond_expr_cond.
11066         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11067         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11068
11069 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11070
11071         PR tree-opt/22356
11072         * tree-complex.c (expand_complex_libcall): Produce
11073         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11074
11075 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11076
11077         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11078         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11079         b" assert and inserted fastpath code for this case.
11080         (bitmap_ior): Removed "a != b" assert.
11081
11082 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11083
11084         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11085         (ENDFILE_SPEC): Likewise.
11086         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11087
11088         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11089         a large stack frame at epilogue.
11090
11091 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11092
11093         * final.c: Include sdbout.h when required.
11094
11095 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11096
11097         * config.gcc (*-*-darwin*): Only one target-specific header file
11098         for generic darwin.
11099         (powerpc-*-darwin*): Add version-specific header files.
11100         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11101         * config.in: Regenerate.
11102         * configure: Regenerate.
11103         * gcc.c: Include xregex.h.
11104         (version_compare_spec_function): New.
11105         (spec_function): Add version-compare.
11106         (replace_outfile_spec_function): Reformat comment.
11107         (compare_version_strings): New.
11108         * config/darwin-c.c (version_as_macro): New.
11109         (builtin_define): New.
11110         (darwin_cpp_builtins): New.
11111         * config/darwin-protos.h (darwin_cpp_builtins): New.
11112         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11113         (LIB_SPEC): Make unconditional, update comment.
11114         (TARGET_C99_FUNCTIONS): Define.
11115         * config/darwin.opt: Sort.
11116         (mmacosx-version-min=): New.
11117         * config/darwin7.h: Delete.
11118         * config/darwin8.h: Delete.
11119         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11120         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11121         (TARGET_C99_FUNCTIONS): Define.
11122         * config/rs6000/darwin7.h: New.
11123         * config/rs6000/darwin8.h: New.
11124         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11125         (-mmacosx-version-min): Document.
11126
11127 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11128
11129         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11130
11131 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11132
11133         PR middle-end/22239
11134         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11135
11136 2005-07-07  Khem Raj  <kraj@mvista.com>
11137
11138         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11139         in bytes, not words.
11140
11141 2005-07-07  Paul Brook  <paul@codesourcery.com>
11142
11143         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11144         DEFAULT_FUNCTION_ARG_PADDING to upward.
11145
11146 2005-07-07  Richard Henderson  <rth@redhat.com>
11147
11148         * function.c (locate_and_pad_parm): Record parameter alignment in
11149         stack_alignment_needed.
11150
11151 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11152
11153         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11154         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11155         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11156         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11157         (define_attr "type"): Add isync, sync, load_l, store_c.
11158         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11159         Create scratch volatile MEM.
11160         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11161         sync.
11162         (load_locked_<mode>): New.
11163         (store_conditional_<mode>): New.
11164         (sync_compare_and_swap<mode>): Replace with splitter.
11165         (sync_lock_test_and_set<mode>): Replace with splitter.
11166         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11167         and UNSPECV_ISYNC.
11168         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11169         is ics.  Attribute isync.
11170         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11171         lwsync.
11172         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11173         and UNSPECV_SYNC_OP.
11174         (emit_unlikely_jump): New.
11175         (emit_load_locked): New.
11176         (emit_store_conditional): New.
11177         (rs6000_split_compare_and_swap): New.
11178         (rs6000_split_lock_test_and_set): New.
11179         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11180         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11181         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11182         rs6000_split_lock_test_and_set): Declare.
11183         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11184         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11185         store_c, isync, sync.
11186
11187 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11188
11189         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11190         filenames to gtyp-gen.h.
11191         (s-typ-gen): Use it in place of for loops.
11192
11193 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11194
11195         * hooks.c (hook_bool_rtx_int_false): New function.
11196         * hooks.h (hook_bool_rtx_int_false): Declare.
11197         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11198         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11199         * target.h (struct gcc_target): Add commutative_p member.
11200         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11201         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11202         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11203         (pa_commutative_p): New function.
11204         * jump.c (target.h): Include.
11205         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11206         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11207
11208 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11209
11210         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11211         (s390_expand_setmem): New.
11212         * config/s390/s390.c: Likewise.
11213         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11214         Adapt comments.
11215         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11216         general_operand.  Call new function "s390_expand_setmem".
11217         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11218         ("setmem_long", "*setmem_long"): ... this.
11219
11220 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11221
11222         * config/s390/s390.c: (optimization_options): Enable
11223         TARGET_MVCLE at -Os.
11224         * doc/invoke.texi: Document changes in default behaviour.
11225         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11226
11227 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11228
11229         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11230         defined by back-end.
11231
11232 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11233
11234         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11235         all sets in the pattern.
11236         * config/rs6000/rs6000.md (stack_protect_testsi,
11237         stack_protect_testdi): Likewise.
11238
11239 2005-07-06  Jeff Law  <law@redhat.com>
11240
11241         * tree-vrp.c (simplify_using_ranges): Kill.
11242         (vrp_finalize): Remove call to simplify_using_ranges.
11243         (simplify_stmt_using_ranges): New function extracted from
11244         simplify_using_ranges.
11245         (simplify_div_or_mod_using_ranges): Likewise.
11246         (simplify_abs_using_ranges): Likewise.
11247         (simplify_cond_using_ranges): New function.
11248         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11249         * tree-ssa-propagate.c (substitute_and_fold): Call
11250         simplify_stmt_using_ranges if we have range information.
11251
11252 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11253
11254         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11255         ia64_flag_schedule_isns2.
11256
11257         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11258         reading/writing general registers.
11259         (ia64_function_arg): Revert 2005-06-18 change.
11260
11261 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11262
11263         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11264         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11265
11266 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11267
11268         * function.c (expand_function_end): Revert part of 2005-06-27
11269         patch.  Do sjlj_emit_function_exit_after after return_label.
11270
11271 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11272
11273         * doc/install.texi (--disable-libssp): New.
11274
11275 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11276
11277         * doc/invoke.texi: Update -fforce-mem documentation.
11278         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11279         code for -fforce-mem.
11280         * expmed.c: (store_bit_field,store_fixed_bit_field,
11281         extract_bit_field): Ditto.
11282         * expr.c: (convert_move): Ditto.
11283         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11284         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11285         emit_conditional_add,expand_float,expand_fix): Ditto.
11286         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11287         (common_handle_option): Issue warning when -fforce-mem specified.
11288
11289 2005-07-06  Paul Brook  <paul@codesourcery.com>
11290
11291         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11292         argument is empty.
11293         * configure: Regenerate.
11294
11295 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11296
11297         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11298
11299 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11300
11301         Fix PR tree-optimization/22319
11302         Fix PR tree-optimization/22140
11303         Fix PR tree-optimization/22310
11304
11305         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11306         variable sized types.
11307         Use correct type for intermediate structure on *a = *b structure
11308         copies.
11309
11310 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11311
11312         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11313         Remove.
11314         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11315         (machine_function): Move typedef to...
11316         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11317         varargs_save_offset field.
11318         (rs6000_stack_t): Remove varargs_size field.
11319         (setup_incoming_varargs): Allocate varargs save area using
11320         assign_stack_local, try to make it as small as possible.
11321         Save offset from virtual_stack_vars_rtx to the save area
11322         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11323         instead of magic 8 when fp word byte size is used.
11324         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11325         instead of -RS6000_VARARGS_SIZE.
11326         (rs6000_stack_info, debug_stack_info,
11327         rs6000_initial_elimination_offset): Remove all traces of
11328         varargs_size.
11329         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11330         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11331         RS6000_VARARGS_AREA.
11332
11333 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11334
11335         PR tree-optimization/21963
11336         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11337         constant_multiple_of in the same way get_computation_cost_at does.
11338
11339 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11340
11341         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11342         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11343         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11344         and return its previous value.
11345         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11346         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11347         constants.
11348         (stack_protect_set, stack_protect_test): New expanders.
11349         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11350         stack_protect_testdi): New insns.
11351         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11352         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11353
11354 2005-07-06  Jeff Law  <law@redhat.com>
11355
11356         * tree-ssa-dce.c (cfg_altered): New global.
11357         (tree_dce_init): Initialize cfg_altered.
11358         (remove_dead_stmt): If we remove an edge in the CFG, then set
11359         CFG_ALTERED.
11360         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11361         the dominators.
11362
11363 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11364
11365         * Makefile.in (stamp-collect-ld): Use
11366         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11367         ./collect-ld if it already exists.
11368         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11369         Don't remove ./nm if it already exists.
11370
11371 2005-07-05  Devang Patel  <dpatel@apple.com>
11372
11373         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11374         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11375         * tree-vectorizer.c (vect_loop_location): New.
11376         (vect_print_dump_info): Use vect_loop_location.
11377         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11378         (vectorize_loops): Set vect_loop_location.
11379         * tree-vect-analyze.c (vect_analyze_offset_expr,
11380         vect_determin_vectorization_factor, vect_analyze_operations,
11381         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11382         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11383         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11384         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11385         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11386         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11387         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11388         vect_analyze_loop): Adjust vect_print_dump_info API.
11389         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11390         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11391         vect_finish_stmt_generation, vectorizable_assignment,
11392         vectorizable_operation, vectorizable_store, vectorizable_load,
11393         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11394         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11395         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11396         vect_transform_loop): Same.
11397         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11398         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11399         Same.
11400
11401 2005-07-05  Randolph Chung  <tausq@debian.org>
11402
11403         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11404         * configure: Regenerate.
11405         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11406         (pa_tls_referenced_p): Declare.
11407         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11408         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11409         (legitimize_tls_address): New.
11410         (hppa_legitimize_address): Handle TLS addresses.
11411         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11412         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11413         (emit_move_sequence): Handle TLS addresses.
11414         (pa_encode_section_info): Call default handler to handle common
11415         sections.
11416         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11417         (CONSTANT_ADDRESS_P): Reject TLS operands.
11418         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11419         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11420         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11421         (UNSPEC_TLSLE): Define new constants.
11422         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11423         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11424         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11425         (tie_symbolic_operand, tle_symbolic_operand): New
11426
11427 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11428
11429         * aclocal.m4: Update macros for autoconf 2.59 style.
11430         * configure.ac: Likewise.
11431
11432 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11433
11434         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11435         (function_arg): Pass small aggregates in general registers on 32-bit
11436         targets.
11437         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11438
11439 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11440
11441         * Makefile.in (final.o): Fix dependencies.
11442
11443 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11444
11445         PR c/22013
11446         PR c/22098
11447         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11448         * langhooks.c (lhd_expr_to_decl): New.
11449         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11450         New.
11451         (LANG_HOOKS_INITIALIZER): Update.
11452         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11453         expr_to_decl langhook.
11454         * c-tree.h (c_expr_to_decl): Declare.
11455         * c-typeck.c (c_expr_to_decl): New.
11456         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11457         specially.
11458         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11459
11460 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11461
11462         PR c/22308
11463         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11464         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11465
11466 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11467
11468         * Makefile.in: Adjust dependencies.
11469         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11470         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11471         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11472         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11473         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11474         rest_of_compilation.
11475
11476         * bb-reorder.c (gate_duplicate_computed_gotos,
11477         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11478         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11479         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11480         pass_partition_blocks): New.
11481         * bt-load.c (gate_handle_branch_target_load_optimize,
11482         rest_of_handle_branch_target_load_optimize,
11483         pass_branch_target_load_optimize): New.
11484         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11485         pass_jump2): New.
11486         * cfglayout.c (pass_insn_locators_initialize): New.
11487         * cfgrtl.c (pass_free_cfg): New.
11488         * combine.c (gate_handle_combine, rest_of_handle_combine,
11489         pass_combine): New.
11490         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11491         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11492         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11493         * except.c (pass_set_nothrow_function_flags,
11494         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11495         pass_rtl_eh): New.
11496         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11497         rest_of_handle_shorten_branches, pass_shorten_branches,
11498         rest_of_clean_state, pass_clean_state): New.
11499         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11500         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11501         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11502         pass_flow2): New.
11503         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11504         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11505         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11506         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11507         pass_gcse): New.
11508         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11509         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11510         pass_rtl_ifcvt, gate_handle_if_after_combine,
11511         rest_of_handle_if_after_combine, pass_if_after_combine,
11512         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11513         pass_if_after_reload): New.
11514         * integrate.c (pass_initial_value_sets): New.
11515         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11516         pass_purge_lineno_notes): New.
11517         * mode-switching.c (rest_of_handle_mode_switching,
11518         pass_mode_switching): New.
11519         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11520         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11521         pass_loop2): New.
11522         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11523         pass_loop_optimize): New.
11524         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11525         pass_sms): New.
11526         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11527         pass_gcse2): New.
11528         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11529         pass_postreload_cse): New.
11530         * profile.c (gate_handle_profiling, pass_profiling,
11531         rest_of_handle_branch_prob, pass_branch_prob): New.
11532         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11533         pass_split_before_regstack, gate_handle_split_before_regstack,
11534         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11535         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11536         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11537         pass_stack_regs): New.
11538         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11539         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11540         pass_stack_adjustments): New.
11541         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11542         pass_regrename): New.
11543         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11544         pass_delay_slots, gate_handle_machine_reorg,
11545         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11546         * rtl.h (extern void purge_line_number_notes): New.
11547         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11548         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11549         pass_sched2): New.
11550         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11551         pass_tracer): New.
11552         * value-prof.c (gate_handle_value_profile_transformations,
11553         rest_of_handle_value_profile_transformations,
11554         pass_value_profile_transformations): New.
11555         * var-tracking.c (gate_handle_var_tracking,
11556         pass_variable_tracking): New.
11557         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11558
11559         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11560         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11561         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11562         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11563         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11564         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11565         rest_of_handle_gcse2, rest_of_handle_regmove,
11566         rest_of_handle_tracer, rest_of_handle_if_conversion,
11567         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11568         rest_of_handle_web, rest_of_handle_branch_prob,
11569         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11570         rest_of_handle_jump_bypass, rest_of_handle_combine,
11571         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11572         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11573         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11574         rest_of_handle_mode_switching, rest_of_handle_jump,
11575         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11576         rest_of_handle_flow2, rest_of_handle_jump2,
11577         rest_of_handle_peephole2, rest_of_handle_postreload,
11578         rest_of_handle_shorten_branches, rest_of_clean_state,
11579         rest_of_compilation): Remove.
11580
11581         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11582         * passes.c (dump_flags, in_gimple_form, all_passes,
11583         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11584         register_dump_files, next_pass_1, last_verified, execute_todo,
11585         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11586         from tree-optimize.c.
11587         (init_optimization_passes): Moved from tree-optimize.c,
11588         adding the RTL optimizations.
11589         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11590         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11591         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11592         register_dump_files, next_pass_1, last_verified, execute_todo,
11593         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11594         init_tree_optimization_passes, ipa_passes): Delete.
11595         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11596         the RTL dumps.
11597         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11598         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11599         from tree.h.
11600         (ipa_passes): Remove.
11601         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11602         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11603         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11604         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11605         (dump_info_p, dump_flag): Moved to tree-dump.h.
11606
11607         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11608         cgraph.c, opts.c.
11609         * passes.c (finish_optimization_passes): Use dump_begin
11610         and dump_end, TDI_end.
11611         (gate_rest_of_compilation): New.
11612         (pass_rest_of_compilation): Use it.
11613         (gate_postreload, pass_postreload): New.
11614         * toplev.c (general_init): Rename init_tree_optimization_passes.
11615         * toplev.h (init_tree_optimization_passes): Rename to
11616         init_optimizations_passes.
11617         * tree-dump.c (dump_flag): Make static.
11618         (dump_files): Remove RTL dumps.
11619         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11620         pass_cleanup_cfg, pass_free_cfg_annotations,
11621         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11622         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11623         * tree-pretty-print.c: Include tree-pass.h.
11624         * cgraph.c: Include tree-dump.h.
11625
11626 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11627
11628         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11629         Only fall back to saying it points to readonly memory if
11630         we can't do better.
11631
11632 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11633
11634         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11635         * config/m32r/m32r.c (m32r_compute_frame_size,
11636         m32r_expand_prologue): Take current_function_profile into
11637         account whenever we reference
11638         current_function_uses_pic_offset_table.
11639         (m32r_finalize_pic): Remove.
11640         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11641
11642 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11643
11644         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11645         instead of $<.  Don't remove ./as if it already exists.
11646
11647 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11648
11649         PR target/21723
11650         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11651         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11652         for complex modes when generating code for PA 1.0.
11653         (VALID_FP_MODE_P): New macro.
11654         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11655         sets for all general and floating point modes.  Align wide floating
11656         point modes to even register boundaries to comply with architectural
11657         requirements.
11658         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11659         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11660         (VALID_FP_MODE_P): New macro.
11661         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11662         sets for all general and floating point modes.  Align wide floating
11663         point modes to even register boundaries to comply with architectural
11664         requirements.
11665
11666 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11667
11668         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11669         to 0.
11670
11671 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11672
11673         * tree-ssa-structalias.c: Don't include expr.h.
11674
11675 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11676
11677         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11678         comments.
11679
11680 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11681
11682         Fix PR tree-optimization/22279
11683
11684         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11685         correct operator.
11686
11687 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11688
11689         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11690
11691 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11692
11693         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11694         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11695         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11696         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11697         config/stormy16/stormy16.c, config/v850/v850.c,
11698         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11699         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11700         Avoid "." or "\n" at end of diagnostics and capital letters at
11701         start of diagnostics.
11702         * combine.c, cse.c: Don't translate dump file output.
11703         * toplev.c (print_version): Only translate output if going to
11704         stderr.
11705
11706 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11707
11708         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11709         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11710         typos.
11711
11712 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11713
11714         * pa.c (fix_range): Fix typo in comment.
11715
11716 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11717
11718         * tree-vrp.c (extract_range_from_assert): Replace
11719         fold (build (...)) with fold_build2.
11720
11721 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11722
11723         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11724         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11725         (format_types_orig, handle_format_attribute): Add support for
11726         format "gcc_gfc".
11727
11728 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11729
11730         * varasm.c (assemble_variable): Fix format specifier thinko.
11731
11732 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11733
11734         PR tree-optimization/22029 (and 22135)
11735         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11736         a phi node before calling dump_vops.
11737
11738 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11739
11740         * tree-dump.h (dump_string_field): Declare.
11741         * tree-dump.c: Use it instead of dump_string.
11742         (dump_string_field): Make non-static.
11743
11744 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11745
11746         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11747         up the minimal CFG stuff always when optimize > 0.  Call
11748         split_all_insns_noflow in PIC case if needed.
11749
11750 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11751             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11752
11753         PR c++/18279
11754         * c-decl.c (c_write_global_declarations): Dump contents of
11755         external scope to.
11756         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11757         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11758         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11759         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11760         is enabled.
11761
11762 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11763
11764         * c-common.h (GCC_DIAG_STYLE): Define.
11765         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11766         version for format checking to 4.1.
11767         * c-format.c: Include toplev.h after c-common.h.
11768         (enum format_type): Add gcc_tdiag_format_type.
11769         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11770         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11771         (format_types_orig): Add gcc_tdiag.
11772         (init_dynamic_diag_info): Support gcc_tdiag formats.
11773         (handle_format_attribute): Likewise.
11774         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11775         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11776         version for format checking to 4.1.
11777         (warning0, warning, error, pedwarn, sorry): Use
11778         ATTRIBUTE_GCC_DIAG.
11779         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11780         (finish_aliases_1): Do not use %qE.
11781         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11782         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11783         Correct format bugs.
11784         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11785         parameter to unsigned HOST_WIDE_INT.
11786         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11787
11788 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11789
11790         PR middle-end/21742
11791         * expr.c (write_complex_part): Use adjust_address for MEM.
11792         (read_complex_part): Same.
11793
11794 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11795
11796         Fix PR tree-optimization/22280
11797
11798         * tree-sra.c (generate_element_init): Remove useless loop.
11799
11800 2005-07-02  Richard Henderson  <rth@redhat.com>
11801
11802         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11803         TLS_MODEL_NONE.
11804         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11805
11806 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11807
11808         PR middle-end/14490
11809         * fold-const.c (fold_binary): Handle the return value of
11810         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11811         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11812
11813 2005-07-02  Jeff Law  <law@redhat.com>
11814
11815         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11816         a eliminate type conversion which feeds an equality comparison
11817         if the original type or either operand in the comparison is a
11818         function pointer.
11819
11820 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11821
11822         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11823         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11824         texts.
11825         * config/avr/avr.c: Do not use '`' as left quote.
11826         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11827         Remove "." from end of diagnostics.  Make diagnostics start with
11828         lowercase letter.
11829
11830 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11831             Joseph S. Myers  <joseph@codesourcery.com>
11832
11833         * toplev.c (default_tree_printer): Handle setting location with
11834         '+' flag.
11835         * c-objc.common.c (c_tree_printer): Likewise.
11836         * c-format.c (gcc_diag_flag_specs): Add '+'.
11837         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11838         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11839         formats.
11840         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11841         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11842         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11843         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11844         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11845         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11846         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11847         format arguments where %J is used without %D.
11848
11849 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11850
11851         * gcc.c (LINK_SSP_SPEC): Define.
11852         (link_ssp_spec): New variable.
11853         (LINK_COMMAND_SPEC): Add %(link_ssp).
11854         (static_specs): Add link_ssp_spec.
11855         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11856         * configure: Rebuilt.
11857         * config.in: Rebuilt.
11858
11859         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11860         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11861         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11862         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11863         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11864         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11865         -0x7008(2) instead of reading __stack_chk_guard variable.
11866         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11867         number.
11868         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11869         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11870         if TARGET_THREAD_SSP_OFFSET is defined.
11871         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11872         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11873
11874         Revert:
11875         2005-06-27  Richard Henderson  <rth@redhat.com>
11876         * libgcc-std.ver (GCC_4.1.0): New.
11877         * libgcc.h (__stack_chk_guard): Declare.
11878         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11879         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11880         * mklibgcc.in (lib2funcs): Add them.
11881
11882 2005-07-01  Richard Henderson  <rth@redhat.com>
11883
11884         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11885         void * before struct sigcontext *.
11886         (x86_fallback_frame_state): Likewise.
11887
11888 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11889
11890         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11891
11892 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11893
11894         PR tree-opt/22269
11895         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11896         we check for SSA_NAME for.
11897
11898 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11899
11900         Fix PR tree-optimization/22071
11901
11902         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11903         function.
11904         (get_constraint_for_component_ref): Use it.
11905
11906 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11907
11908         PR other/22264
11909         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11910         print out the last new line.
11911
11912 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11913
11914         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11915         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11916         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11917         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11918         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11919         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11920         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11921         (enum reg_class): New member CC0_REGS.
11922         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11923         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11924         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11925         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11926         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11927         Adjust for register now described.
11928
11929 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11930
11931         PR target/22262
11932         * config/i386/i386.md (stack_protect_test_si,
11933         stack_protect_test_di): Add earlyclobber for scratch 3.
11934         * config/rs6000/rs6000.md (stack_protect_testsi,
11935         stack_protect_testdi): Add earlyclobber for scratch 3,
11936         remove earlyclobber from scratch 4.
11937
11938 Older entries for 2005 can be found in ChangeLog-2005.