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1 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
2
3         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
4
5 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
6
7         * config/arm/predicates.md (call_memory_operand): New.
8         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
9
10 2005-12-15  Andrew Haley  <aph@redhat.com>
11
12         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
13         against prev_cache_entry == NULL when moving a cache entry to the
14         head of the list.
15         
16 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
17
18         * config/mt/mt.c (mt_override_options): Require lower case
19         architectures.  Revert accidental default to ms2.
20         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
21         ENDFILE_SPEC): Require lower case architectures.  Revert default
22         to ms2.
23
24         * doc/invoke.texi (MT Options): Rename and update.
25         * doc/md.texi (MorphoTech family): Rename and update.
26
27 2005-12-15  Olivier Hainque  <hainque@adacore.com>
28
29         * stor-layout.c (layout_type): Don't complain about a too small
30         an array element type size compared to its alignment when the
31         size overflows.
32
33 2005-12-15  Jan Hubicka  <jh@suse.cz>
34
35         PR target/24969
36         * i386.c (classify_argument): Properly adjust offset of bitfield for
37         substructures.
38
39 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
40
41         * final.c (final_scan_insn): Flip in_cold_section_p when changing
42         between the hot and cold sections.  Use current_function_section
43         to get the new section.
44         * dwarf2out.c (output_line_info): Use in_cold_section_p to
45         determine whether we are assembling hot or cold code.
46         (secname_for_decl, dwarf2out_var_location): Likewise.
47         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
48         * varasm.c (last_text_section): Delete.
49         (in_cold_section_p): New variable.
50         (hot_function_section): New function.
51         (current_function_section): Pass in_cold_section_p as the
52         reloc argument to select_section.  Use it to decide between
53         unlikely_function_section and hot_function_section.
54         (assemble_start_function): Use switch_to_section.  Set
55         in_cold_section_p instead of last_text_section.
56         (assemble_end_function): Use switch_to_section.
57         (switch_to_section): Don't set last_text_section.
58         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
59         argument to make the right choice between hot and cold sections.
60
61 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
62
63         Second part of MS1->MT renaming
64         * config/mt/mt.md (doloop_end): Call mt_add_loop.
65         (movqi, movhi): Call mt_set_memflags.
66         (*movdf_internal): Call mt_split_words. 
67         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
68         mt_set_memflags.
69         (cmpsi): Store to mt_compare_op[01].
70         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
71         bungt, bunle, bunlt): Call mt_emit_cbranch.
72         (prologue): Call mt_expand_prologue.
73         (epilogu): Call mt_expend_epilogue.
74         (eh_return): Call mt_expand_eh_return.
75         (eh_epilogue): Call me_emit_eh_epilogue.
76         (conditional_trap): Store to mt_compare_op[01].
77         * config/mt/crti.asm: Adjust comment.
78         * config/mt/crtn.asm: Adjust comment.
79         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
80         (mt_compare_op0, mt_compare_op1): Renamed.
81         (current_frame_info, zero_frame_info): Adjust type.
82         (mt_ucmpsi3_libcall): Renamed.
83         (mt_flag_delayed_branch): Renamed.
84         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
85         (mt_nops_required, mt_nop_reasons): Renamed.
86         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
87         mt_debug_stack, mt_print_operand_simple_address,
88         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
89         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
90         mt_function_arg_advance, mt_arg_partial_bytes,
91         mt_pass_by_reference, mt_function_arg_boundary,
92         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
93         mt_legitimate_address_p): Renamed, adjusted.
94         (mt_cpu): Renamed.
95         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
96         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
97         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
98         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
99         mt_expand_eh_return, mt_emit_eh_prologue,
100         mt_handl_interrupt_attribute): Renamed, adjusted.
101         (mt_attribute_table): Renamed, adjusted.
102         (mt_initial_elimination_offset, mt_generate_compare,
103         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
104         mt_secondary_reload_class, mt_function_value, mt_split_words,
105         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
106         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
107         (mt_labels): Renamed.
108         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
109         mt_machine_reorg): Renamed, adjusted.
110         (mt_attribute_table: Renamed.
111         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
112         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
113         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
114         * config/mt/mt.opt (march): Set mt_cpu_string.
115         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
116         (TARGET_CPU_CPP_BUILTINS): Adjust.
117         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
118         TARGET_MS2): Adjust.
119         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
120         (MT_MIN_INT): Renamed.
121         (RETURN_ADDR_RTX): Adjust.
122         (struct mt_frame_info): Renamed.
123         (current_frame_info): Adjust type.
124         (INITIAL_ELIMINATION_OFFSET): Adjust.
125         (MT_NUM_ARG_REGS): Renamed.
126         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
127         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
128         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
129         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
130         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
131         (mt_compare_op0, mt_compare_op1): Renamed.
132         * config/mt/mt-protos.h: Rename prototypes.
133
134 2005-12-15  Richard Guenther  <rguenther@suse.de>
135
136         * tree-flow.h (okay_component_ref_for_subvars): Remove.
137         (get_ref_base_and_extent): Declare.
138         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
139         (get_ref_base_and_extent): New function.
140         * tree-ssa-alias.c (find_used_portions): Use it.
141         * tree-ssa-structalias.c (get_constraint_for_component_ref):
142         Likewise.
143         * tree-ssa-operands.c (get_expr_operands): Likewise.
144
145 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
146
147         * combine.c: Remove force_to_mode's fourth parameter.
148         (force_to_mode): Do not handle REG.
149         (canon_reg_for_combine): New.
150         (make_field_assignment): Use it where the removed argument was non-NULL.
151
152 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
153
154         PR target/25406
155         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
156         error_mark_node.  Make alignment params unsigned.
157         * config/rs6000/rs6000-protos.h
158         (rs6000_special_round_type_align): Update prototype.
159         (rs6000_machopic_legitimize_pic_address): Remove arg names.
160
161 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
162
163         PR rtl-optimization/25310
164         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
165         of the eliminable register when substituting into a PLUS.
166
167 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
168
169         PR debug/25023
170         * config/i386/i386.c (ix86_force_to_memory): Always use
171         SImode push for HImode in -m32.
172         (ix86_free_from_memory): Likewise.
173
174 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
175
176         * gcc/config/arm/arm.md: Provide a big-endian version of the
177         (zero_extend:SI (subreg:QI ...)) splitter.
178
179 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
180
181         * struct-equiv.c (note_local_live): Handle hard regs with different
182         hard_regno_nregs.
183
184 2005-12-14  Jeff Law  <law@redhat.com>
185
186         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
187         to a structure containing state rather than a pointer to bool.
188         (case ARRAY_REF): New code to handle folding some array references.
189         (case ADDR_EXPR): Note when we are processing expressions found
190         within an ADDRE_EXPR.
191         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
192         for state variables rather than just a pointer to a boolean.
193         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
194         handling of constant string references.
195
196 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
197
198         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
199         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
200         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
201         Move other tst* patterns to retain partial order.
202
203 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
204
205         * config/s390/s390.md ("d0", "1"): New mode attributes.
206         ("<shift>di3", "<shift>si3"): Merge.
207         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
208         ("ashrdi3", "ashrsi3"): Merge.
209         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
210         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
211         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
212         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
213         ("*ashrdi3", "*ashrsi3"): Merge.
214         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
215
216 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
217
218         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
219         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
220         ("*extendqidi2", "*extendqisi2") Merge.
221         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
222         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
223         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
224         Move some patterns to retain partial ordering.
225
226 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
227
228         * config/s390/s390.md ("atype", "length"): Rewrite.
229         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
230
231 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
232
233         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
234
235 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
236
237         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
238         PARALLELs with a mode.
239
240 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
241
242         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
243         cond_expr parameter.
244
245 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
246
247         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
248
249 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
250
251         PR bootstrap/25397:
252
253         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
254         of STACK_REGS bits.
255
256         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
257
258 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
259
260         PR target/25254
261         PR target/24188
262         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
263         DECL_P, call get_section rather than get_named_section.  Supply
264         section flags to it.
265
266 2005-12-14  Ben Elliston  <bje@au.ibm.com>
267
268         * c-common.c (c_common_truthvalue_conversion): Generalise warning
269         for addresses converted to booleans; not just function addresses.
270         * c-typeck.c (build_binary_op): Warn for address comparisons which
271         can never be NULL (eg. func == NULL or &var == NULL).
272         * common.opt (Walways-true): New option.
273         * c-opts.c (c_common_handle_option): Set it with -Wall.
274         * doc/invoke.texi: Document it.
275
276 2005-12-13  Paul Brook  <paul@codesourcery.com>
277
278         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
279         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
280
281 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
282
283         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
284         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
285
286         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
287         (EXTRA_MULTILIB_PARTS): Define.
288
289 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
290
291         PR rtl-optimization/20070 / part1
292         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
293         count_or_remove_death_notes with kill == -1.
294         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
295         registers if PROP_POST_REGSTACK is set.
296         (mark_used_reg): Likewise.
297         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
298         REG_UNUSED notes for stack regs.
299         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
300         to match rtx_equiv_p machinery.  Change caller.
301         (outgoing_edges_match): Likewise.
302         (try_crossjump_to_edge): Use struct_equiv_block_eq
303         instead of flow_find_cross_jump.
304         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
305         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
306         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
307         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
308         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
309         (insns_match_p): Update prototype.
310         (flow_find_cross_jump): Remove prototype.
311         (struct_equiv_block_eq, struct_equiv_init): Declare.
312         (rtx_equiv_p, condjump_equiv_p): Likewise.
313         * struct-equiv.c: Include reload.h.
314         (IMPOSSIBLE_MOVE_FACTOR): Define.
315         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
316         (struct_equiv_improve_checkpoint): Likewise.
317         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
318         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
319         (struct_equiv_merge, find_dying_input): Likewise.
320         (resolve_input_conflict, note_local_live): Likewise.
321         (death_notes_match_p): Change parameters and processing
322         to match rtx_equiv_p machinery.  Change caller.
323         (insns_match_p): Likewise.
324         (flow_find_cross_jump): Replace with:
325         (struct_equiv_block_eq).
326
327         Back out this change:
328         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
329           * recog.c (verify_changes): Make it static.
330           * recog.h: Remove the corresponding prototype.
331
332 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
333
334         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
335         values.
336
337 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
338
339         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
340         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
341         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
342         TARGET_MS1_64_001 appropriately.
343         (ms1_machine_reorg): Use TARGET_MS2.
344
345 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
346
347         PR debug/25023
348         PR target/25293
349         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
350         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
351         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
352         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
353         Set mode to SI, adjust constraints.
354         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
355         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
356         32-bit code.
357
358 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
359
360         * c-cppbuiltin.c (builtin_define_float_constants): Add
361         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
362         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
363         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
364         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
365         to "((double)%sL)" otherwise "%s".
366
367 2005-12-13  Paul Brook  <paul@codesourcery.com>
368
369         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
370         apcs/atpcs.
371
372 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
373
374         * tree-flow.h: Allow compilation with a C++ compiler.
375         (struct edge_prediction): Prefix all field names  with "ep_".
376         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
377         (tree_predict_edge, combine_predictions_for_bb): Likewise.
378         (remove_predictions_associated_with_edge): Likewise.
379         
380 2005-12-12  Jeff Law  <law@redhat.com>
381
382         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
383         reassociation code.
384         * passes.c (init_optimization_passes): Run reassociation again
385         after loop optimizations.
386
387 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
388
389         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
390         if necessary.
391         (optimize_stmt): Ditto.
392         (canonicalize_comparison): New function.
393         * tree-ssa-operands.c (swap_tree_operands): Make external.
394         (get_expr_operands): Stop auto-canonicalization.
395         * tree-ssa-reassoc.c: Rewrite.
396         (init_optimization_passes): 
397         * tree-flow.h (swap_tree_operands): Prototype.
398         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
399
400 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
401
402         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
403         indicate function epilogue has been output.
404         (pa_asm_output_mi_thunk): Likewise.
405         (output_deferred_plabels): Put plabels in readonly data section when
406         not generating PIC code.
407         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
408         information.  Add assert.
409         (som_output_comdat_data_section_asm_op): New function.
410         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
411         instead of output_section_asm_op for COMDAT sections.
412
413 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
414
415         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
416         Fix whitespace in vincinity of to-be-installed changes.
417         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
418         (insns_match_p): Likewise.
419
420 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
421
422         * config.gcc (ms1): Replace with ...
423         (mt): ... this.
424         * config/ms1: Rename to ...
425         * config/mt: ... here.  Rename ms1 files to mt.
426         * config/mt/mt.c: Adjust gt-mt.h #include.
427         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
428         (crti.o, crtn.o): Adjust file names.
429
430 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
431
432         * varray.h: Allow compilation with a C++ compiler.
433         (union varray_data_tag): Prefix all field names with "vdt_".
434         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
435         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
436         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
437         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
438         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
439         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
440         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
441         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
442         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
443         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
444         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
445         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
446         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
447         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
448         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
449         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
450         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
451         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
452         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
453         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
454         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
455         VARRAY_TOP_TREE_PTR): Likewise.
456         * varray.c (varray_grow): Likewise.
457         (varray_clear): Likewise.
458
459 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
460
461         PR target/25299
462         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
463         alignment to doubleword if the first field is a double array.
464         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
465
466 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
467
468         * tree-ssa-structalias.c (process_constraint): Remove code to
469         transform addressofs into scalar.
470         (create_variable_info_for): In whole-program IPA, globals don't
471         point to ANYTHING by default.
472
473 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
474
475         * timevar.def (TV_IPA_PTA): New.
476         * tree-pass.h (pass_ipa_pta): New
477         * tree-ssa-structalias.c: Include cgraph.h
478         (in_ipa_mode): New.
479         (predbitmap_obstack): New.
480         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
481         (struct constraint_stats): Add num_edges.
482         (new_var_info): Don't call bitmap_clear.
483         (struct constraint_edge): Update docs.
484         (new_constraint_edge): Remove src param.
485         (struct constraint_graph): Add zero_weight_succs,
486         zero_weight_preds.  Update docs.
487         (constraint_expr_equal): Reformat.
488         (constraint_edge_equal): Update for removal of src.
489         (constraint_edge_less): Ditto.
490         (constraint_edge_vec_find): Ditto.
491         (erase_graph_self_edge): Update for removal of src and and zero
492         weight bitmap.
493         (clear_edges_for_node): Ditto.
494         (add_graph_edge): Ditto.
495         (get_graph_weights): Ditto.
496         (allocate_graph_weights): Ditto.
497         (merge_graph_nodes): Ditto.
498         (int_add_graph_edge): Ditto.
499         (valid_graph_edge): Ditto.
500         (valid_weighted_graph_edge): Ditto.
501         (build_constraint_graph): Ditto.
502         (scc_visit): Ditto.
503         (collapse_nodes): Ditto.
504         (process_unification_queue): Ditto.
505         (topo_visit): Ditto.
506         (solve_graph): Ditto.
507         (do_structure_copy): Ditto.
508         (perform_var_substitution): Ditto.
509         Init and release obstack.
510         (handle_ptr_arith): Try to resolve directly.
511         (find_func_aliases): Don't call update_alias_info here
512         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
513         (do_sd_constraint): Add code for propagating faster.
514         Update.
515         (do_ds_constraint): Ditto.
516         (count_num_arguments): New function.
517         (create_function_info_for): Ditto.
518         (create_variable_info_for): Handle FUNCTION_DECL.
519         (intra_create_variable_infos): Use make_constraint_to_anything.
520         (init_alias_vars): Init obstacks here.
521         (need_to_solve): Handle zero weight graph changes.
522         (compute_points_to_sets): Call update_alias_info here.
523         (delete_points_to_sets): Free zero weight preds/succs here.
524         (gate_ipa_pta): New.
525         (ipa_pta_execute): New
526
527 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
528
529         * tree-ssa-structalias.c (var_anyoffset): Removed.
530         (anyoffset_tree): Ditto.
531         (anyoffset_id): Ditto.
532         (do_deref): Take vector of constraints, no return value.
533         Update to work on vector.                
534         (get_constraint_for): Ditto.
535         (get_constraint_for_component_ref): Ditto.
536         (do_structure_copy): Ditto.
537         (handle_ptr_arith): Ditto.
538         (find_func_aliases): Ditto.
539         (set_uids_in_ptset): Remove anyoffset handling.
540         (init_base_vars): Ditto.
541
542 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
543
544         PR c++/25010
545         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
546         DECL_EXTERNAL functions have no bodies.  Tidy.
547
548 2005-12-10  Andreas Schwab  <schwab@suse.de>
549
550         * except.c (switch_to_exception_section): Only define if
551         TARGET_UNWIND_INFO is not defined.
552
553 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
554
555         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
556         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
557
558 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
559
560         * output.h (init_section, fini_section): Delete.
561         * varasm.c (init_section, fini_section): Delete.
562         (init_varasm_once): Don't initialize them.
563         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
564         there are no corresponding varasm.c variables.
565
566 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
567
568         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
569         of EH_FRAME_SECTION_NAME into...
570         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
571         if it is still null.
572         * except.c (default_exception_section): Delete, moving most
573         of the code to...
574         (switch_to_exception_section): ...this new function.  Set
575         exception_section if it is still null, then switch to it.
576         (output_function_exception_table): Use switch_to_exception_section.
577         * varasm.c (exception_section, eh_frame_section): Update comments.
578         (get_section): Hoist use of SECTION_NAMED.
579         (init_varasm_once): Don't set exception_section and eh_frame_section.
580         * output.h (default_exception_section): Delete.
581         (default_eh_frame_section): Delete.
582
583 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
584
585         * config/bfin/bfin.c: Include "cgraph.h".
586         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
587         Return the reg that holds the pointer to the GOT.
588         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
589         doing stack checking.
590
591 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
592
593         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
594         recompute_tree_invarant_for_addr_expr.
595         Update uses everywhere.
596
597 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
598
599         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
600         (MULTILIB_DIRNAMES): Define.
601
602 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
603
604         PR target/25311
605         * config/s390/s390.c (struct s390_address): New field literal_pool.
606         (s390_decompose_address): Compute literal_pool field.  Do not 
607         assume register %r13 is always (and solely) used as pool base.
608         (s390_extra_constraint_str): Use literal_pool field.
609
610 2005-12-09  Thiemo Seufer  <ths@networkno.de>
611
612         * config/mips/mips.c (override_options): Don't allow too small
613         integers in FP registers.
614
615 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
616
617         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
618         targetm.binds_local_p to check for local function calls.
619
620 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
621
622         PR debug/24908
623         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
624         call_used_regs can't be used to save reg in another reg.
625
626 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
627             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
628
629         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
630         abort.
631         * except.c (output_ttype): Likewise.
632         * tree-object-size.c (collect_object_sizes_for): Likewise.
633         (check_for_plus_in_loops_1): Likewise.
634         (check_for_plus_in_loops): Likewise.
635         (compute_object_sizes): Use gcc_unreachable instead of abort.
636
637 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
638
639         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
640         (loop_end, loop_init, doloop_end): New insns.
641         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
642         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
643         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
644         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
645         * config/ms1/ms1.c: #include basic-block.h
646         (struct machine_function): Add has_loops field.
647         (ms1_add_loop): New.
648         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
649         (struct loop_info, struct loop_work): New.
650         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
651         (ms1_reorg_loops): New loop optimization.
652         (ms1_machine_reorg): Call it.
653         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
654
655 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
656
657         PR tree-optimization/25248
658         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
659         evolution_of_loop from the failed attempt.  Remove handling
660         of MULT_EXPR.
661
662 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
663
664         * tree.h (DECL_EXTERNAL): Clarify documentation.
665
666 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
667             Jakub Jelinek  <jakub@redhat.com>
668
669         PR target/25268
670         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
671         argument.  Don't drop outer ANDs.
672         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
673         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
674         prototype.
675         * config/s390/predicates.md (setmem_operand): Remove.
676         (shift_count_operand): Rename to...
677         (shift_count_or_setmem_operand): ... this.  Adjust
678         s390_decompose_shift_count caller.
679         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
680         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
681         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
682         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
683         rotl<mode>3_and, setmem_long_and): New insns.
684         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
685         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
686         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
687         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
688         of shift_count_operand.
689         (setmem_long): Use shift_count_or_setmem_operand instead of
690         setmem_operand.
691
692 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
693             Andreas Tobler  <a.tobler@schweiz.ch>
694
695         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
696         tr expression.
697
698 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
699
700         * expr.c (force_operand): Use convert_to_mode for conversions.
701
702 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
703
704         * reload.h (reg_equiv_invariant): Declare.
705         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
706         register also when reg_equiv_invariant[R] is set.
707
708 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
709             Andreas Tobler  <a.tobler@schweiz.ch>
710
711         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
712
713 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
714
715         * tree-ssa-pre.c (bitmap_set_and): New function.
716         (bitmap_set_and_compl): New function.
717         (bitmap_set_empty_p): New function.
718         (insert_extra_phis): New function.
719         (compute_avail): Use insert_extra_phis.
720
721 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
722
723         * config/s390/s390.c (s390_expand_atomic): New function.
724         Adjust comment of helper functions.
725         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
726         * config/s390/s390.md ("ATOMIC"): New code macro.
727         ("atomic"): Corresponding new code attribute.
728         ("sync_lock_test_and_set[hq]i", 
729         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
730
731 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
732
733         * config/s390/s390.c (s390_expand_mask_and_shift, 
734         struct alignment_context, init_alignment_context, 
735         s390_expand_cs_hqi): New.
736         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
737         * config/s390/s390.md ("sync_compare_and_swaphi",
738         "sync_compare_and_swapqi"): New pattern.
739
740 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
741
742         Fix PR tree-optimization/25291
743         * tree-ssa-operands.c (add_call_clobber_ops): Remove
744         redundant and crashing check.
745
746 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
747
748         PR target/25212
749         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
750         tests further when !strict && reload_in_progress.
751         (print_operand): Check that both operands of indexed address are regs.
752         (print_operand_address): Likewise.
753         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
754         (INT_REG_OK_FOR_BASE_P): Correct.
755
756 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
757
758         Preparation for PR rtl-optimization/20070 / part1
759         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
760         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
761         outgoing_edges_match.
762         (outgoing_edges_match): Use condjump_equiv_p.
763         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
764         into..
765         * struct-equiv.c: New file.
766         (death_notes_match_p) New function, broken out of insns_match_p.
767         * Makefile.in (OBJS-common): Add struct-equiv.o.
768         (struct-equiv.o): New target.
769
770 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
771
772         * coretypes.h: Revert previous change.
773         * config/darwin.h: Revert previous reversion.
774         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
775
776 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
777
778         * coretypes.h (section): Provide dummy definition for target files.
779         * config/darwin.h: Revert previous change.
780
781 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
782
783         * doc/sourcebuild.texi (all.build, install-normal): Remove.
784         * configure.ac: Remove all.build and install-normal from target_list
785         * configure: Regenerate.
786         * Makefile.in (install): Don't depend on install-normal.
787
788 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
789
790         * Makefile.in: Document the use of stamps.
791
792 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
793
794         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
795         * Makefile.in: Add code to compute some dependencies on s-gtype
796         automatically.  Remove the declaration of those dependencies.
797
798 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
799
800         * gcc/reload.c (push_secondary_reload): Fix typo:
801         s/insn_constraint/scratch_constraint/.
802
803 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
804
805         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
806
807 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
808
809         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
810         (alpha_elf_select_rtx_section): Return the selected section rather
811         than emitting assembly code.
812         (alpha_write_linkage): Emit a ".link" directive directly and then
813         set in_section to NULL.
814         (vms_asm_out_constructor): Use switch_to_section.
815         (vms_asm_out_destructor): Likewise.
816         (unicosmk_output_common): Set in_section to NULL instead of calling
817         the dummy common_section function.
818         (unicosmk_text_section): Delete in favor of...
819         (unicosmk_output_text_section_asm_op): ...this new function.
820         (unicosmk_data_section): Delete in favor of...
821         (unicosmk_output_data_section_asm_op): ...this new function.
822         (unicosmk_init_sections): New function.
823         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
824         (unicosmk_output_ssib): Set in_section to NULL instead of calling
825         the dummy ssib_section function.
826         (unicosmk_section_buf): Delete.
827         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
828         (unicosmk_data_section): Delete.
829         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
830         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
831         (SECTION_FUNCTION_TEMPLATE): Delete.
832         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
833         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
834         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
835         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
836         (TARGET_ASM_INIT_SECTIONS): Define.
837         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
838         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
839         (link_section, literals_section): Delete.
840         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
841         set in_section to NULL.
842
843         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
844         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
845         (COMMON_SECTION): Delete.
846         (TARGET_ASM_INIT_SECTIONS): Define.
847         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
848         the dummy common_section function.
849         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
850         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
851         between readonly_data_section and text_section to check whether
852         read-only data is being put in the text section.
853         (arm_output_function_epilogue): Use switch_to_section.
854         (arm_elf_asm_constructor): Likewise.
855         (thumb_call_via_reg): Replace call to in_text_section with
856         a comparison between in_section and text_section.
857         (arm_file_end): Use switch_to_section.
858         (aof_text_section): Delete in favor of...
859         (aof_output_text_section_asm_op): ...this new function.
860         (aof_data_section): Delete in favor of...
861         (aof_output_data_section_asm_op): ...this new function.
862         (aof_asm_init_sections): New function.
863         (zero_init_section): Moved from config/arm/aof.h.
864         (aof_dump_imports, aof_file_start): Use switch_to_section.
865         * config/arm/arm.h (thumb_call_via_label): Update comment.
866         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
867         (common_section): Delete.
868         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
869         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
870         global switch_to_section function instead of the old port-local one.
871         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
872         (SWITCH_TO_SECTION_FUNCTION): Delete.
873         (drectve_section): Redefine as a macro.
874         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
875         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
876         switch_to_section.
877
878         * config/avr/avr.c (progmem_section): New variable.
879         (avr_output_progmem_section_asm_op): New function.
880         (avr_asm_init_sections): New function.
881         (avr_output_addr_vec_elt): Use switch_to_section.
882         * config/avr/avr.h (progmem_section): Declare.
883         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
884         (READONLY_DATA_SECTION): Delete.
885         (TARGET_ASM_INIT_SECTIONS): Define.
886         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
887         * config/avr/avr-protos.h (progmem_section): Delete.
888
889         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
890
891         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
892         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
893
894         * config/darwin-sections.def: New file.
895         * config/darwin.c: Define all sections in darwin-sections.def.
896         (output_objc_section_asm_op, darwin_init_sections): New functions.
897         (machopic_output_indirection): Use switch_to_section.
898         (machopic_select_section): Return the selected section rather than
899         emitting assembly code.  Replace the static function table with
900         inline conditional expressions.  Update the tests of last_text_section
901         and move them into the FUNCTION_DECL block.
902         (machopic_select_rtx_section): Return the selected section rather than
903         emitting assembly code.
904         (machopic_asm_out_constructor, machopic_asm_out_destructor)
905         (darwin_file_end): Use switch_to_section.
906         * config/darwin.h: Use darwin-sections.def to declare sections.
907         (INIT_SECTION_ASM_OP): Remove empty definition.
908         (HAS_INIT_SECTION): Define this instead.
909         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
910         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
911         (TARGET_ASM_EH_FRAME_SECTION): Delete.
912         (TARGET_ASM_INIT_SECTIONS): Define.
913         * config/darwin-protos.h (darwin_init_sections): Declare.
914         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
915         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
916         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
917         (constructor_section, destructor_section, mod_init_section): Delete.
918         (mod_term_section): Delete.
919         (darwin_exception_section, darwin_eh_frame_section): Delete.
920         (machopic_select_section): Return a section.
921         (machopic_select_rtx_section): Likewise.
922         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
923         (const_section, const_coal_section, const_data_section): Delete.
924         (const_data_coal_section, data_coal_section, cstring_section): Delete.
925         (literal4_section, literal8_section, constructor_section): Delete.
926         (mod_init_section, mod_term_section, destructor_section): Delete.
927         (objc_class_section, objc_meta_class_section, objc_category_section)
928         (objc_class_vars_section, objc_instance_vars_section): Delete.
929         (objc_cls_meth_section, objc_inst_meth_section): Delete.
930         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
931         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
932         (objc_symbols_section, objc_module_info_section): Delete.
933         (objc_image_info_section, objc_protocol_section): Delete.
934         (objc_string_object_section, objc_constant_string_object_section)
935         (objc_class_names_section, objc_meth_var_names_section): Delete.
936         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
937         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
938         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
939         (darwin_exception_section, darwin_eh_frame_section): Delete.
940         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
941
942         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
943         (frv_asm_out_destructor): Likewise.
944         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
945         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
946         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
947         get_named_section.
948         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
949         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
950         (data_section): Delete.
951
952         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
953         (DRECTVE_SECTION_FUNCTION): Delete.
954         (drectve_section): Redefine as a macro that sets in_section after
955         emitting the directive.
956         (SWITCH_TO_SECTION_FUNCTION): Delete.
957         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
958         in_text_section with comparison between in_section and text_section.
959         * config/i386/i386.c (x86_64_elf_select_section): Return the section
960         rather than emitting assembly code.  Use get_named_section.
961         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
962         get_named_section.
963         (machopic_output_stub): Use switch_to_section.
964         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
965         (nwld_named_section_asm_out_destructor): Use get_section and
966         switch_to_section.
967
968         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
969         rather than emitting assembly code.
970         (ia64_rwreloc_select_section): Likewise.
971         (ia64_rwreloc_select_rtx_section): Likewise.
972         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
973         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
974         switch_to_section.
975         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
976         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
977
978         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
979         section rather than emitting assembly code.
980         (iq2000_select_section): Likewise.
981         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
982         (sbss_section): Delete.
983
984         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
985         and get_named_section.
986         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
987
988         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
989         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
990         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
991         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
992         in_section to NULL.
993         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
994         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
995         global switch_to_section function instead of the old port-local one.
996         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
997         (SWITCH_SECTION_FUNCTION): Delete.
998         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
999         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1000         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1001         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1002         in_section to NULL.
1003         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1004         global switch_to_section function instead of the old port-local one.
1005         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1006
1007         * config/mips/mips.c (mips_file_start): Update comment.
1008         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1009         (mips_output_aligned_decl_common): Use switch_to_section.
1010         (mips_select_rtx_section): Return the section rather than emitting
1011         assembly code.  Use get_named_section.
1012         (mips_function_rodata_section: Likewise get_section.
1013         (build_mips16_function_stub): Use switch_to_section.
1014         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1015         (SDATA_SECTION_ASM_OP): Delete.
1016         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1017         (EXTRA_SECTION_FUNCTIONS): Delete.
1018
1019         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1020         (mmix_asm_output_aligned_local): Use switch_to_section.
1021
1022         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1023         (som_one_only_readonly_data_section): New variables.
1024         (pa_output_function_epilogue): Set in_section to NULL instead of
1025         calling forget_section.
1026         (output_deferred_plabels): Use select_section.
1027         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1028         of calling forget_section.
1029         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1030         (pa_asm_output_aligned_local): Use select_section.
1031         (som_text_section_asm_op): Delete in favor of...
1032         (som_output_text_section_asm_op): ...this new function.
1033         (pa_som_asm_init_sections): New function.
1034         (pa_select_section): Return the section rather than emitting
1035         assembly code.
1036         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1037         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1038         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1039         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1040         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1041         (som_readonly_data_section, som_one_only_readonly_data_section)
1042         (som_one_only_data_section, forget_section): Delete.
1043         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1044         (TARGET_ASM_INIT_SECTIONS): Define.
1045         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1046
1047         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1048         (private_data_section, read_only_private_data_section): New variables.
1049         (sdata2_section, toc_section): New variables.
1050         (rs6000_file_start): Use switch_to_section.
1051         (rs6000_assemble_integer): Use comparisons against in_section
1052         instead of calling in_toc_section and in_text_section.  Use
1053         unlikely_text_section_p.
1054         (rs6000_elf_output_toc_section_asm_op): New function, derived
1055         from the old rs6000/sysv4.h toc_section function.
1056         (rs6000_elf_asm_init_sections): New function.
1057         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1058         the section rather than emitting assembly code.
1059         (machopic_output_stub): Use switch_to_section.
1060         (toc_section): Delete dummy function.
1061         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1062         switch_to_section and get_section.
1063         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1064         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1065         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1066         the old rs6000/xcoff.h toc_section function.
1067         (rs6000_xcoff_asm_init_sections): New function.
1068         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1069         the section rather than emitting assembly code.
1070         (rs6000_xcoff_file_start): Use switch_to_section.
1071         (rs6000_xcoff_file_end): Likewise.
1072         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1073         (sdata2_section, sbss_section, private_data_section): Delete.
1074         (read_only_data_section, read_only_private_data_section): Delete.
1075         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1076         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1077         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1078         (FINI_SECTION_FUNCTION): Delete.
1079         (TARGET_ASM_INIT_SECTIONS): Define.
1080         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1081         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1082         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1083         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1084         (READONLY_DATA_SECTION): Delete.
1085         (TARGET_ASM_INIT_SECTIONS): Define.
1086         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1087         to NULL rather than no_section.
1088         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1089
1090         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1091
1092         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1093         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1094         from call to current_function_section.
1095
1096         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1097         (bss100_section): New variable.
1098         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1099         (xstormy16_asm_init_sections): New function.
1100         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1101         switch_to_section and get_section.
1102         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1103         from calls to current_function_section.
1104         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1105         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1106         (TARGET_ASM_INIT_SECTIONS): Define.
1107         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1108
1109         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1110         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1111         (FINI_SECTION_FUNCTION): Delete.
1112
1113         * config/v850/v850.c: Include gt-v850.h.
1114         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1115         (zbss_section): New variables.
1116         (v850_output_aligned_bss): Use switch_to_section.
1117         (v850_asm_init_sections): New function.
1118         (v850_select_section): Return the section rather than emitting
1119         assembly code.
1120         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1121         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1122         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1123         (TARGET_ASM_INIT_SECTIONS): Define.
1124         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1125         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1126         (zbss_section): Delete.
1127
1128         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1129
1130         * config/vx-common.h (vxworks_exception_section): Delete.
1131         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1132
1133         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1134         section rather than emitting assembly code.
1135         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1136         switch_to_section.
1137
1138         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1139         * coretypes.h (section): New union and typedef.
1140         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1141         from call to current_function_section.
1142         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1143         (dbxout_symbol_location): Use switch_to_section.
1144         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1145         most of the code into...
1146         (default_eh_frame_section): ...here.  Return a section.
1147         (collect2_eh_frame_section): Delete, moving most of the code into..
1148         (switch_to_eh_frame_section): ...this new function.
1149         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1150         (debug_macinfo_section, debug_line_section, debug_loc_section)
1151         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1152         variables.
1153         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1154         eh_frame_section.  Use switch_to_section and get_section.
1155         (dwarf2out_begin_prologue): Use switch_to_section.
1156         (AT_string_form): Check the flags in debug_str_section instead of
1157         DEBUG_STR_SECTION_FLAGS.
1158         (output_comp_unit): Use switch_to_section, get_section, and
1159         debug_info_section.
1160         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1161         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1162         from call to current_function_section.
1163         (dwarf2out_var_location): Use unlikely_text_section_p.
1164         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1165         from call to current_function_section.
1166         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1167         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1168         debug_macinfo_section.
1169         (dwarf2out_init): Initialize the new section variables.  Use them
1170         instead of calls to named_section_flags.  Use switch_to_section.
1171         (output_indirect_string): Use switch_to_section and debug_str_section.
1172         (dwarf2out_finish): Use switch_to_section and the new section
1173         variables.
1174         * except.c (default_exception_section): Return the section instead
1175         of emitting assembly code.
1176         (output_function_exception_table): Use the global exception_section
1177         variable instead of the target hook.  Use switch_to_section.  Remove
1178         argument from call to current_function_section.
1179         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1180         (shorten_branches): Use pointer comparisons to detect whether the
1181         text section is the same as readonly_data_section.
1182         (profile_function): Use switch_to_section.  Remove argument from
1183         call to current_function_section.
1184         (final_scan_insn): Likewise.  Update use of last_text_section.
1185         * gengtype.c (open_base_files): Add an include of output.h.
1186         * output.h (text_section, data_section, readonly_data_section)
1187         (ctors_section, dtors_section, bss_section, init_section)
1188         (fini_section, sdata_section): Turn into section pointers.
1189         (in_text_section, in_unlikely_text_section, exports_section)
1190         (drectve_section, named_section, mergeable_string_section)
1191         (last_text_section_name): Delete.
1192         (default_exception_section, default_eh_frame_section): Return sections.
1193         (SECTION_DECLARED, SECTION_NAMED): New macros.
1194         (SECTION_MACH_DEP): Bump value.
1195         (section_common, named_section, unnamed_section): New structures.
1196         (unnamed_section_callback): New typedef.
1197         (section): New union.
1198         (sbss_section, exception_section, eh_frame_section): New variables.
1199         (in_section, last_text_section): Turn into section pointers.
1200         (get_unnamed_section, get_section, get_named_section): New functions.
1201         (mergeable_constant_section, function_section): Return a section.
1202         (unlikely_text_section): Likewise.
1203         (current_function_section): Likewise.  Remove the decl argument.
1204         (unlikely_text_section_p, switch_to_section): New functions.
1205         (output_section_asm_op): New function.
1206         (set_named_section_flags, named_section_flags, named_section_real)
1207         (named_section_first_declaration): Delete.
1208         (default_select_section, default_elf_select_section): Return a section.
1209         (default_elf_select_section_1, default_function_rodata_section)
1210         (default_no_function_rodata_section, default_select_rtx_section)
1211         (default_elf_select_rtx_section): Likewise.
1212         * rtl.h (in_data_section): Delete.
1213         * sdbout.c (sdbout_one_type): Use switch_to_section.
1214         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1215         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1216         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1217         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1218         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1219         (TARGET_ASM_OUT): Update after above changes.
1220         * target.h (init_sections): New hook.
1221         (exception_section, eh_frame_section): Delete.
1222         (select_section, select_rtx_section, function_rodata_section): Return
1223         a section rather than emitting assembly code.
1224         * varasm.c (text_section, data_section, readonly_data_section)
1225         (ctors_section, dtors_section, bss_section, init_section)
1226         (fini_section): Turn into section pointers.
1227         (sdata_section, sbss_section, exception_section): New variables.
1228         (eh_frame_section): New variable.
1229         (in_section): Make global and turn into a section pointer.
1230         (last_text_section): Turn into a section pointer.
1231         (unnamed_sections): New variable.
1232         (in_named_name, last_text_section_name): Delete.
1233         (EXTRA_SECTION_FUNCTIONS): Delete.
1234         (in_named_entry): Delete.
1235         (section_htab): New variable, replacing...
1236         (in_named_htab): ...this deleted variable.
1237         (section_entry_eq, section_entry_hash): New functions, based on...
1238         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1239         (get_unnamed_section, get_section): New functions.
1240         (unlikely_text_section): Return a section instead of emitting
1241         assembly code.
1242         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1243         (get_named_section_flags, named_section_first_declaration): Delete.
1244         (unlikely_text_section_p): New function.
1245         (named_section_real, named_section): Delete.
1246         (get_named_section): New function.
1247         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1248         (function_section): Return a section rather than emitting
1249         assembly code.
1250         (current_function_section): Likewise.  Remove argument.  Use
1251         last_text_section if nonnull, otherwise use function_section.
1252         (default_function_rodata_section): Return a section rather than
1253         emitting assembly code.  Use get_section.
1254         (default_no_function_rodata_section): Return a section rather than
1255         emitting assembly code.
1256         (variable_section): Use switch_to_section and get_named_section.
1257         (mergeable_string_section): Return a section rather than emitting
1258         assembly code.  Use get_section.  Make static.  Don't take special
1259         countermeasures for empty strings.
1260         (mergeable_constant_section): Return a section rather than emitting
1261         assembly code.  Use get_section.
1262         (default_named_section_asm_out_destructor): Use switch_to_section
1263         and get_section.
1264         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1265         (default_named_section_asm_out_constructor): Use switch_to_section
1266         and get_section.
1267         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1268         (assemble_start_function): Likewise.  Set last_text_section to
1269         NULL rather than no_section.  Change the type of save_section.
1270         (assemble_zeros, assemble_variable): Use the section flags to detect
1271         whether or not a section is text.
1272         (assemble_static_space): Use switch_to_section.
1273         (assemble_trampoline_template): Likewise.
1274         (output_constant_def_contents): Use switch_to_section and
1275         get_named_section.
1276         (output_constant_pool_1): Use switch_to_section.  Use the section
1277         flags to see whether sections contain mergeable data.
1278         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1279         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1280         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1281         whether a section has already been declared.
1282         (default_select_section, default_elf_select_section): Return a
1283         section rather than emitting assembly code.
1284         (default_elf_select_section_1): Likewise.  Use bss_section for
1285         SECCAT_BSS if nonnull.  Use get_named_section.
1286         (default_select_rtx_section): Return a section rather than
1287         emitting assembly code.
1288         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1289         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1290         (output_section_asm_op, switch_to_section): New functions.
1291         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1292         get_named_section.
1293
1294         * doc/tm.texi: Expand the introduction to the sections documentation.
1295         (TRAMPOLINE_SECTION): Document new interface.
1296         (SDATA_SECTION_ASM_OP): Document new macro.
1297         (READONLY_DATA_SECTION): Delete.
1298         (SDATA_SECTION_ASM_OP): Document new macro.
1299         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1300         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1301         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1302         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1303         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1304
1305 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1306
1307         * gcc.c (init_gcc_specs): Match braces inside conditionally
1308         compiled strings.
1309
1310 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1311
1312         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1313
1314 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1315
1316         PR C++/24138
1317         * tree.c (integer_all_onesp): Always return true if all bits on.
1318
1319         * testsuite/g++.dg/init/array0.C: New.
1320
1321 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1322
1323         * doc/md.texi: Adapt to implementation.
1324
1325 2005-12-06  Andreas Schwab  <schwab@suse.de>
1326
1327         * opts.c (decode_options): Fix typo in message.
1328
1329 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1330
1331         PR other/13873
1332         * longlong.h: Merge PPC tests from upstream.
1333
1334 2005-12-06  Richard Guenther  <rguenther@suse.de>
1335
1336         * fold-const.c (fold_convert): Do not build and fold
1337         CONVERT_EXPR, but always use NOP_EXPR.
1338
1339 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1340
1341         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1342         __builtin_ia32_paddq and __builtin_ia32_subq.
1343         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1344         __builtin_ia32_pshufw.
1345         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1346
1347 2005-12-05  James E Wilson  <wilson@specifix.com>
1348
1349         PR target/24934
1350         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1351         is set.
1352
1353 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1354         
1355         * print-tree.c (print_node): Ditto.
1356         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1357         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1358         before accessing DECL_ARTIFICIAL. 
1359         Handle new tag tree codes.
1360         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1361         changes.
1362         (unmodifiable_var_p): Ditto.
1363         * tree-flow.h (mem_tag_kind): Remove.
1364         (struct var_ann_d): Remove mem_tag_kind member.
1365         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1366         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1367         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1368         (group_aliases): Ditto.
1369         (setup_pointers_and_addressables): Ditto.
1370         (is_escape_site): Ditto.                                          
1371         (may_alias_p): Ditto.
1372         (create_tag_raw): New function.
1373         (create_memory_tag): Use it.
1374         (dump_alias_info): Update for tags.
1375         (may_be_aliased): Ditto.
1376         (add_type_alias): Ditto.
1377         (new_type_alias): Ditto.
1378         (create_sft): Ditto.
1379         (create_structure_vars): Ditto.
1380         * tree-ssa-ccp.c (get_default_value): Ditto.
1381         * tree-ssa-operands.c (get_expr_operands): Ditto.
1382         (add_stmt_operand): Ditto.
1383         (add_call_clobber_ops): Remove duplicated condition.
1384         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1385         tags.
1386         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1387         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1388         * tree.c (init_ttree): Update structures for new tree codes.
1389         (tree_code_size): Update sizes for new tree codes.
1390         (make_node_stat): Don't try to set common things on minimal
1391         structures.
1392         (tree_node_structure): Update for tags.
1393         (is_global_var): Ditto.
1394         * tree.def: Add new tree codes.
1395         * tree.h (MTAG_P): New macro.
1396         (TREE_MEMORY_TAG_CHECK): Ditto.
1397         (SSA_VAR_P): Update for tags.
1398         (struct tree_memory_tag): New structure.
1399         (MTAG_GLOBAL): New macro.
1400         (union tree_node): Add memory tag member.
1401         * treestruct.def (TS_MEMORY_TAG): New.
1402         
1403 2005-12-05  Dale Johannesen  <dalej@apple.com>
1404
1405         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1406         what was approved (PR 24323).
1407
1408 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1409
1410         * doc/c-tree.texi (Function Bodies): Remove description of
1411         RETURN_INIT.
1412
1413 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1414
1415         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1416         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1417         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1418         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1419         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1420         __divxc3): Document.
1421
1422 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1423
1424         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1425         previous behaviour.
1426         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1427         hook_bool_void_false.
1428         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1429         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1430
1431         * config/darwin.c (machopic_select_section): It's not defined
1432         as weak if it's only marked as weak_import.
1433         
1434         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1435         Prototype.
1436
1437         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1438         A hidden weak object does bind locally.  Strong linkonce data
1439         counts like any other strong symbol for binding.
1440         (weak_finish_1): Don't specially handle weakrefs, they no longer
1441         arrive here.
1442         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1443         * c-common.c (handle_alias_attribute): Allow static aliases
1444         of variables.
1445         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1446         * gthr-dce.h: Make weakrefs static.
1447         * gthr-tpf.h: Likewise.
1448         * gthr-solaris.h: Likewise.
1449         * gthr-posix.h: Likewise.
1450         * gthr-posix95.h: Likewise.
1451         * config/darwin.c (darwin_encode_section_info): static weakref
1452         variables are not necessarily defined in this translation unit.
1453         * doc/extend.texi (Function Attributes): Mention that an alias
1454         attribute creates a definition for the thing it's attached to.
1455         Change the documentation for weakref to say that the thing
1456         it's attached to must be static.
1457
1458         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1459         we don't go into an infinite loop.
1460
1461 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1462
1463         * config/rs6000/predicates.md (logical_const_operand): Split
1464         out of logical_operand.
1465         (logical_operand): Use it.
1466         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1467         logical_const_operand.
1468
1469 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1470
1471         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1472         and IX86_BUILTIN_CMPNESS.
1473         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1474         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1475         * config/i386/i386.md (movti_internal): Correct type attribute.
1476         Simplify mode attribute.
1477         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1478         Correct type attribute.
1479         (absxf2): Correct operator.
1480         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1481         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1482         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1483         mode attribute.
1484         (sse2_vmsqrtv2df2): Correct mode attribute.
1485
1486 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1487
1488         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1489         16 bits. Provide insn pattern for this case.
1490
1491 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1492
1493         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1494         result.
1495         (__popcountDI2): Likewise.
1496
1497 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1498
1499         PR target/25166
1500         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1501         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1502         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1503         functions.
1504
1505 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1506
1507         * c-typeck.c (null_pointer_constant_p): New function.
1508         (build_conditional_expr, build_c_cast, convert_for_assignment,
1509         build_binary_op): Use it.
1510
1511 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1512
1513         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1514         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1515         CONVERT_EXPR.
1516         (check_function_arguments_recurse): Allow both NOP_EXPR and
1517         CONVERT_EXPR but check conversions preserve precision.
1518         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1519         but check conversions preserve precision.
1520         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1521         default case.
1522
1523 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1524
1525         PR c/7776
1526         * common.opt (Wstring-literal-comparison): New command line option.
1527         * c-opts.c (c_common_handle_option): Set it with -Wall.
1528         * c-typeck.c (parser_build_binary_op): Issue warning if either
1529         operand of a comparison operator is a string literal, except for
1530         testing equality or inequality against NULL.
1531
1532         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1533
1534 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1535
1536         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1537         of building a NOP_EXPR.
1538         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1539         NOP_EXPR.
1540         * c-convert.c (convert): Use fold_convert instead of building
1541         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1542         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1543         #if 0 code.
1544         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1545         NOP_EXPR the same as CONVERT_EXPR.
1546         * c-typeck.c (build_function_call): Use fold_convert instead of
1547         building a NOP_EXPR directly.
1548         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1549
1550 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1551
1552         PR rtl-optimization/25197
1553         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1554         have a reg.
1555
1556 2005-12-02  Stuart Hastings  <stuart@apple.com>
1557
1558         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1559         warning.
1560
1561 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1562
1563         * c-typeck.c (default_function_array_conversion,
1564         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1565         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1566         orig_op2.  Don't check them for NOP_EXPR.
1567         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1568         around integer zero.
1569
1570 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1571
1572         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1573         toc_save_offset, toc_size, lr_size.
1574         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1575         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1576         Adjust for removal of unused rs6000_stack_t fields.
1577         (debug_stack_info): Adjust.
1578         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1579         first, and don't bother checking for set/inc of lr on sibcalls.
1580         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1581
1582 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1583
1584         PR target/25199
1585         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1586         5 if operand 1 is not aligned.  Undo previous constraint change.
1587         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1588
1589 2005-12-02  Richard Guenther  <rguenther@suse.de>
1590
1591         * tree.h (build): Remove prototype.
1592         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1593         * tree.c (build): Remove.
1594         (build0_stat): Update comment.
1595
1596 2005-12-02  Richard Guenther  <rguenther@suse.de>
1597
1598         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1599         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1600         Likewise.
1601         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1602         maybe_fold_offset_to_component_ref): Likewise.
1603         * tree-ssa-dom.c (thread_across_edge,
1604         simplify_rhs_and_lookup_avail_expr,
1605         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1606         Likewise.
1607         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1608         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1609         lower_try_finally_switch): Likewise.
1610         * tree-if-conv.c (add_to_dst_predicate_list,
1611         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1612         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1613         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1614         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1615         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1616         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1617         gimplify_init_ctor_eval, gimplify_init_constructor,
1618         gimplify_variable_sized_compare, gimplify_boolean_expr,
1619         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1620         gimplify_expr, gimplify_body, gimplify_function_tree,
1621         force_gimple_operand): Likewise.
1622         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1623         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1624         mx_register_decls): Likewise.
1625         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1626         get_frame_field, finalize_nesting_tree_1): Likewise.
1627         * tree-inline.c (setup_one_parameter): Likewise.
1628         * tree-vect-transform.c (vectorizable_condition): Likewise.
1629         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1630         Likewise.
1631         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1632         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1633         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1634         * tree-chrec.h (build_polynomial_chrec): Likewise.
1635
1636 2005-12-02  Richard Guenther  <rguenther@suse.de>
1637
1638         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1639         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1640         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1641         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1642         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1643         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1644         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1645         Likewise.
1646         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1647         sh_adjust_unroll_max): Likewise.
1648         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1649         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1650         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1651         Likewise.
1652         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1653         Likewise.
1654         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1655         Likewise.
1656
1657 2005-12-02  Richard Guenther  <rguenther@suse.de>
1658
1659         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1660         simplify_cond_using_ranges): Use buildN instead of build.
1661         * tree-tailcall.c (adjust_accumulator_values,
1662         adjust_return_value): Likewise.
1663         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1664         generate_element_copy, generate_element_zero,
1665         generate_one_element_init): Likewise.
1666         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1667         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1668         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1669         perfect_nestify): Likewise.
1670
1671 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1672
1673         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1674
1675 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1676
1677         * ggc.h (GGC_RESIZEVEC): New.
1678
1679 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1680
1681         * gcc.c (execute): Improve readability.
1682
1683 2005-12-02  Richard Guenther  <rguenther@suse.de>
1684
1685         * tree-cfg.c (mark_used_vars): New function.
1686         (dump_function_to_file): Dump only used VAR_DECLs.
1687
1688 2005-12-02  Richard Guenther  <rguenther@suse.de>
1689
1690         * convert.c (convert_to_integer): Fix compare for nonpositive
1691         constant to use tree_int_cst_sgn <= 0.
1692
1693 2005-12-02  Richard Guenther  <rguenther@suse.de>
1694
1695         * convert.c (convert_to_integer): Use fold_convert instead
1696         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1697         instead of comparing against 0.  Use build_int_cst instead
1698         of converting integer_zero_node.
1699
1700 2005-12-02  Richard Guenther  <rguenther@suse.de>
1701
1702         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1703         and RROTATE_EXPR.
1704  
1705 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1706
1707         PR target/21017
1708         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1709         rotates.
1710
1711 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1712
1713         PR middle-end/25176
1714         * function.c (expand_function_end): Emit blockage for unwinder
1715         after return label.
1716
1717 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1718
1719         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1720         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1721         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1722         integer constant comparisons.
1723
1724 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1725             Janis Johnson  <janis187@us.ibm.com>
1726             David Edelsohn  <dje@watson.ibm.com>
1727             Ben Elliston  <bje@au.ibm.com>
1728
1729         * dfp.h, dfp.c: New files.
1730         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1731         (DECNUM_H): Likewise.
1732         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1733         (INCLUDES): Append $(DECNUMINC).
1734         (OBJS-common): Add dfp.o.
1735         (dfp.o): New rule.
1736         * real.h (EXP_BITS): Pinch one bit to ..
1737         (struct real_value): Add decimal field.
1738         (real_format): Change table size, update documentation.
1739         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1740         (real_from_string3): Declare.
1741         (decimal_single_format): Declare.
1742         (decimal_double_format): Declare.
1743         (decimal_quad_format): Declare.
1744         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1745         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1746         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1747         * real.c: Include dfp.h.
1748         (normalize): Early return for decimal floats.
1749         (do_add): Zero decimal field.
1750         (do_compare): Call do_decimal_compare for decimal floats.
1751         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1752         (real_arithmetic): Call decimal_real_arithmetic for decimal
1753         floating point operands.
1754         (real_identical): If a and b are of differing radix, return false.
1755         (real_to_integer): Call decimal_real_to_integer if the value is a
1756         decimal float.
1757         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1758         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1759         (real_to_hexadecimal): Place "N/A" in the return string for
1760         decimal float.
1761         (real_from_string3): New variant, given a mode.
1762         (real_maxval): Use decimal_real_maxval for decimal floats.
1763         (round_for_format): Use decimal_round_for_format for decimals.
1764         (real_convert): Use decimal_real_convert where appropriate.
1765         (significand_size): Handle base 10.
1766         (encode_decimal_single, decode_decimal_single,
1767         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1768         decode_decimal_quad): New functions.
1769         (decimal_single_format): New.
1770         (decimal_double_format): New.
1771         (decimal_quad_format): New.
1772         * machmode.def: Add SD, DD and TD decimal floating point modes.
1773         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1774         Include MODE_DECIMAL_FLOAT.
1775         (DECIMAL_FLOAT_MODE_P): New.
1776         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1777         * genmodes.c (struct mode_data): Add counter field.
1778         (struct mode_data): Update comment for format.
1779         (blank_mode): Initialise counter field.
1780         (new_mode): Increment counter field for each mode defined.
1781         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1782         using a format.
1783         (make_complex_modes): Handle modes containing `D'.
1784         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1785         (make_decimal_float_mode): New.
1786         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1787         (cmp_modes): Compare counter field if other characteristics
1788         similar.
1789         (emit_real_format_for_mode): Support formats for decimal floats.
1790         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1791         Document MODE_DECIMAL_FLOAT.
1792
1793 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1794
1795         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1796         Delete dead code.
1797
1798 2005-12-01  Richard Henderson  <rth@redhat.com>
1799
1800         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1801
1802 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1803
1804         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1805
1806         * config/pa/pa.c (pa_init_builtins): If we detect
1807         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1808         putc_unlocked.
1809
1810 2005-12-01  Richard Guenther  <rguenther@suse.de>
1811
1812         * fold-const.c (fold_binary): Use fold_build2, not
1813         fold (build (...)).
1814
1815 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1816
1817         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1818
1819         * vec.h (VEC_block_remove): New.
1820
1821 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1822
1823         PR c/13384
1824         * c-common.c (lvalue_error): Fix wording.
1825
1826 2005-12-01  Richard Guenther  <rguenther@suse.de>
1827
1828         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1829         thinko in last patch.
1830
1831 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1832
1833         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1834         than -flat_namespace.
1835
1836 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1837
1838         * mklibgcc.in: Parameterise the script to build soft float
1839         functions by iterating over each type, rather than cloning the
1840         code for each type.
1841
1842 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1843
1844         PR middle-end/25158
1845         * builtins.c (fold_builtin_fputs): Defer check for missing
1846         replacement functions.
1847
1848 2005-11-30  Kean Johnston  <jkj@sco.com>
1849
1850         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1851         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1852
1853 2005-11-30  Richard Guenther  <rguenther@suse.de>
1854
1855         PR tree-optimization/22501
1856         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1857         function split out from ...
1858         (forward_propagate_addr_expr): ... here.  Use it to propagate
1859         ADDR_EXPRs to all uses.
1860
1861 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1862
1863         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1864         * builtins.c (expand_builtin_mathfn): Use them.
1865         (expand_builtin_mathfn_2): Likewise.
1866         (expand_builtin_mathfn_3): Likewise.
1867         (expand_builtin_int_roundingfn): Likewise.
1868         (expand_builtin): Likewise.
1869         (integer_valued_real_p): Likewise.
1870         (fold_builtin_int_roundingfn): Likewise.
1871         (fold_builtin_bitop): Likewise.
1872         (fold_builtin_logarithm): Likewise.
1873         (fold_builtin_1): Likewise.
1874         * convert.c (convert_to_integer): Likewise.
1875         * fold-const.c (negate_mathfn_p): Likewise.
1876         (tree_expr_nonnegative_p): Likewise.
1877
1878 2005-11-30  Dale Johannesen  <dalej@apple.com>
1879             Andrew Pinski  <pinskia@physics.uc.edu>
1880
1881         * combine.c (find_split_point):  Sign extend bitmask
1882         when changing bitfield assignment to IOR of AND.
1883
1884 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1885
1886         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1887         clobber to scratch reg.
1888         (*decrement_and_branch_until_zero_no_clobber): Remove.
1889         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1890         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1891         * config/ms1/ms1.opt (mmul): Remove.
1892         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1893         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1894
1895 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1896             Bernd Schmidt  <bernd.schmidt@analog.com>
1897
1898         * pa/predicates.md (symbolic_operand): Add comment.
1899         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1900         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1901         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1902         (pa_secondary_reload_class): Delete.
1903         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1904         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1905         copy of symbolic operand.
1906         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1907
1908 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1909
1910         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1911         jump.
1912
1913 2005-11-30  Jeff Law  <law@redhat.com>
1914
1915         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1916         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1917
1918 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1919
1920         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1921         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1922         (ia64_expand_move): Adjust caller.
1923
1924         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1925         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1926         negate VAL.
1927
1928 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1929
1930         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1931         Always produce an output if we can remove NEGs or canonicalize
1932         (minus (minus ...)) expressions.  Provide a fast path for the
1933         two-operand case.
1934         (simplify_gen_binary): Do not call simplify_plus_minus.
1935         (simplify_binary_operation_1): Reassociate at the end of the
1936         function.
1937
1938 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1939
1940         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1941         moves and unpack to speed up.
1942
1943 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1944
1945         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1946         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1947         (gen_v9_scc): Update callers.
1948         * config/sparc/sparc.md: Likewise.
1949         * config/sparc/sparc-protos.h: Update extern declaration.
1950
1951         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1952
1953 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1954
1955         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1956         the if.
1957
1958 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1959
1960         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1961         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1962         (negate_expr): Here.
1963
1964 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1965
1966         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1967         Fix typo in comment.
1968
1969 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1970
1971         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1972         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1973
1974 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1975
1976         PR middle-end/20109
1977         PR middle-end/25120
1978         * builtins.c (init_target_chars): New.
1979         (expand_builtin_printf, expand_builtin_fprintf,
1980         expand_builtin_sprintf, fold_builtin_sprintf,
1981         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1982         fold_builtin_snprintf_chk, fold_builtin_printf,
1983         fold_builtin_fprintf): Check for matching format strings using
1984         the target charset.
1985
1986 2005-11-29  Paul Brook  <paul@codesourcery.com>
1987
1988         * config.gcc: Do not use fixproto on m68k-elf.
1989
1990 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1991
1992         * expmed.c (div_cost): Replace with...
1993         (sdiv_cost, udiv_cost): New.
1994         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1995         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1996         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1997         (expand_divmod): Replace use of div_cost with either sdiv_cost
1998         or udiv_cost depending upon the signedness of the operation.
1999
2000 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2001
2002         PR libfortran/24991
2003         * config/darwin.c (machopic_indirection_name,
2004         machopic_output_indirection): Follow transparent alias chain.
2005
2006 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2007
2008         * varasm.c (ultimate_transparent_alias_target): Add comment.
2009
2010 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2011
2012         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2013         SET_SRC instead of XEXP where appropriate.
2014
2015 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2016
2017         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2018         __builtin_expect.
2019
2020 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2021
2022         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2023         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2024         bit at a time.
2025
2026 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2027
2028         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2029         secondary_input_reload_class, made static.  Adapt to new
2030         infrastructure.
2031         (secondary_output_reload_class): Delete.
2032         (TARGET_SECONDARY_RELOAD): New macro.
2033         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2034         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2035
2036 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2037
2038         PR c++/21166
2039         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2040         when its natural alignment is > BITS_PER_UNIT.
2041         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2042         * c-common.c (handle_packed_attribute): Ignore packing on a field
2043         whose type is naturally char aligned.
2044
2045 2005-11-28  Richard Guenther  <rguenther@suse.de>
2046
2047         * c-common.c (strict_aliasing_warning): Handle all
2048         component-ref like accesses.
2049
2050 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2051             Uros Bizjak  <uros@kss-loka.si>
2052
2053         PR middle-end/20219
2054         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2055         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2056         when flag_unsafe_math_optimizations is set and
2057         we don't care about NaNs or Infinities.
2058
2059         Move x/expN(y) and x/pow(y,z) transformation into common
2060         flag_unsafe_math_optimizations section.
2061
2062 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2063
2064         * gcc.c (main): Change type of argv to "char **".
2065
2066 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2067
2068         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2069         small data sections.
2070         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2071         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2072         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2073         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2074         output locals to sbss if !rs6000_elf_in_small_data_p.
2075         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2076
2077 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2078
2079         PR target/24997
2080         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2081         generated by reload.
2082         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2083         indexed_or_indirect_address.
2084         (indexed_or_indirect_address): Don't test for base reg.  Call
2085         address_operand last.  Make it a special predicate.
2086
2087 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2088
2089         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2090
2091 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2092
2093         PR middle-end/24575
2094         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2095         is undefined.
2096         (negate_expr): Likewise.
2097
2098 2005-11-27  Andreas Schwab  <schwab@suse.de>
2099
2100         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2101         redundant parens.
2102
2103 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2104
2105         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2106         has EH predecessor edges.
2107
2108 2005-11-26  Eric Christopher  <echristo@apple.com>
2109
2110         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2111         register stalls by zero extending to the full register.
2112
2113 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2114
2115         * config/floatunsisf.c, config/floatunsidf.c,
2116         config/floatunsixf.c, config/floatunsitf.c: New files.
2117         * config/ia64/t-hpux: Add floatunsitf.c.
2118         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2119         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2120
2121 2005-11-26  Richard Henderson  <rth@redhat.com>
2122
2123         * c-lex.c (pragma_lex): Rename from c_lex.
2124         * c-pch.c: Update for pragma_lex rename.
2125         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2126         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2127         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2128         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2129         * doc/tm.texi: Likewise.
2130
2131 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2132
2133         PR middle-end/23669
2134         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2135         when overflow is undefined.
2136
2137 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2138
2139         * doc/md.texi (Insn Canonicalizations): Refer to the
2140         function commutative_operand_precedence for further rules.
2141
2142 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2143
2144         PR middle-end/21309
2145         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2146         is less than zero.  Limit mult_cost to a reasonable upper bound for
2147         the synthetic multiplication sequence.
2148
2149 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2150
2151         PR middle-end/25022
2152         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2153         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2154         Lookup the explicit replacement functions for any unlocked
2155         stdio builtin transformations.
2156
2157 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2158
2159         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2160         earlyclobber.
2161         * targhooks.c (default_secondary_reload): Don't require operand 2
2162         for an input reload to be earlyclobber.
2163
2164 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2165
2166         * fold-const.c (negate_mathfn_p): Fix comment and add support
2167         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2168         BUILT_IN_ATANH.
2169
2170 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2171
2172         PR middle-end/24998
2173         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2174         _Q_ulltoq for unsigned conversions from SImode and DImode to
2175         TFmode.
2176
2177 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2178
2179         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2180         (__floatundidf, __floatundisf): Likewise.
2181
2182 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2183
2184         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2185         (rs6000_override_options): Remove initialization of
2186         rs6000_sr_alias_set.
2187         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2188         (rs6000_emit_stack_tie): Same.
2189         (emit_frame_save): Same.
2190         (gen_frame_mem_offset): Same.
2191         (rs6000_emit_prologue): Same.
2192         (rs6000_emit_epilogue): Same.
2193
2194 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2195
2196         PR middle-end/24989
2197         * fold-const.c (fold_build): Convert bool_var != 1 and
2198         bool_var == 0 to !bool_var.
2199
2200 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2201
2202         PR middle-end/24990
2203         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2204         for C being INTEGER_CST.  Likewise for !=.
2205
2206 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2207
2208         PR middle-end/24998
2209         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2210         unsigned conversions from SImode to TFmode.
2211
2212 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2213
2214         * expr.c (expand_expr_real_1): Fix error in last change.
2215
2216 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2217
2218         * caller-save.c: (this_insn_sets): Move into:
2219         (save_call_clobbered_regs).
2220         (mark_set_regs): Get this_insn_sets from data.
2221
2222         (save_call_clobbered_regs): Take sets of the return value by
2223         sibcalls into account.
2224
2225 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2226         PR target/21623:
2227
2228         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2229         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2230         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2231         (memory_move_secondary_cost, init_reg_autoinc): Remove
2232         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2233         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2234         secondary_reload_class call.
2235         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2236         callers.
2237         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2238         (push_secondary_reload): Use secondary_reload target hook.
2239         (secondary_reload_class, scratch_reload_class): New functions.
2240         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2241         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2242         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2243         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2244         (secondary_reload_class, scratch_reload_class): Declare.
2245         * reload1.c: Include target.h.
2246         (reload_adjust_reg_for_temp): New function.
2247         (reload_adjust_reg_for_icode): Likewise.
2248         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2249         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2250         call.
2251         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2252         for inheritance.  Support case when both secondary & tertiary reloads
2253         are for intermediate registers.
2254         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2255         with secondary_reload_class call.  Support case when both secondary
2256         & tertiary reloads are for intermediate registers.
2257         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2258         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2259         * target.h (secondary_reload_info): New struct / typedef.
2260         (struct gcc_target): New member secondary_reload.
2261         * targhooks.c Include reload.h, optabs.h and recog.h.
2262         (default_secondary_reload): New function.
2263         * targhooks.h (default_secondary_reload): Declare.
2264         * doc/tm.texi: Document secondary_reload target hook.  Update
2265         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2266         * doc/md.texi: Likewise.
2267
2268         * sh-protos.h (sh_secondary_reload): Declare.
2269         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2270         (sh_secondary_reload): New function.
2271         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2272         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2273         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2274         (HAVE_SECONDARY_RELOADS): Define.
2275         * sh.md (reload_indf): Rename to:
2276         (reload_indf__frn).
2277         (reload_outdf): Rename to:
2278         (reload_outdf__RnFRm).
2279         (reload_insf): Rename to:
2280         (reload_insf__frn).
2281         (reload_insi): Rename to:
2282         (reload_insi__i_fpul).
2283
2284 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2285
2286         * configure.ac: Require at least texinfo 4.4.
2287         * configure: Regenerate.
2288
2289         * doc/install.texi (Tools/packages necessary for building GCC):
2290         Update required version of texinfo to at least 4.4.
2291         (Installing GCC: Building): Update required version of texinfo
2292         to at least 4.4.
2293         (Installing GCC: Final installation): Update required version
2294         of texi2dvi to at least 4.4.
2295         (Host/target specific installation notes for GCC): Update required
2296         version of texinfo to at least 4.4.
2297
2298 2005-11-24  Richard Guenther  <rguenther@suse.de>
2299         Dirk Mueller <dmueller@suse.de>
2300
2301         PR c++/14024
2302         * c-common.h (strict_aliasing_warning): Declare.
2303         * c-common.c (strict_aliasing_warning): New function,
2304         split out from ...
2305         * c-typeck.c (build_c_cast): ... here.
2306
2307 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2308
2309         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2310         to order operands.
2311         (swap_commutative_operands_with_target): New.
2312
2313 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2314
2315         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2316         also when doing PRE, rather than only for global CPROP.
2317
2318 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2319
2320         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2321         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2322         formatting.
2323         (expand_twoval_unop): Likewise.
2324         (widen_clz): Likewise.
2325         (expand_parity): Likewise.
2326         (expand_unop): Likewise.
2327         (emit_cmp_and_jmp_insn_1): Likewise.
2328         (prepare_float_lib_cmp): Likewise.
2329
2330 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2331
2332         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2333         Remove unused `class' variable.
2334
2335 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2336
2337         PR c++/21667
2338         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2339         C/C++ diagnostic function warn_array_subscript_with_type_char.
2340         * c-common.h (warn_array_subscript_with_type_char): Declare.
2341         * c-common.c (warn_array_subscript_with_type_char): Define.
2342
2343 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2344
2345         PR c/21668
2346         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2347         compiling at the intersection of C and C++.
2348
2349 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2350
2351         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2352         List @file in the option summary.  Include the libiberty
2353         documentation for @file.
2354         * gcc.c (main): Call expandargv.
2355         * Makefile.in (gcc-vers.texi): Define srcdir.
2356
2357 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2358
2359         * passes.c (init_optimization_passes): Document
2360         sequencing of passes.
2361
2362 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2363
2364         * config/m68k/predicates.md (pcrel_address, extend_operator,
2365         post_inc_operand, pre_dec_operand): Remove redundant
2366         conditionals.
2367         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2368         instead of abort.
2369         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2370
2371 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2372
2373         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2374
2375 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2376
2377         Preparatory work for PR target/21623:
2378         * alpha.c (secondary_reload_class): Rename to:
2379         (alpha_secondary_reload_class).
2380         * alpha.h, alpha-protos.h: Likewise.
2381         * mn10300.c (secondary_reload_class): Rename to:
2382         (mn10300_secondary_reload_class).
2383         * mn10300.h, mn10300-protos.h: Likewise.
2384         * pa.c (secondary_reload_class): Rename to:
2385         (pa_secondary_reload_class).
2386         * pa.h, pa-protos.h: Likewise.
2387         * rs6000.c (secondary_reload_class): Rename to:
2388         rs6000_secondary_reload_class.
2389         * rs6000.h, rs6000-protos.h: Likewise.
2390
2391 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2392
2393         PR middle-end/22561
2394         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2395
2396 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2397
2398         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2399         a mode_class.
2400         (prepare_cmp_insn): Likewise.
2401
2402 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2403
2404         PR target/23435
2405         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2406         if both operands[0] and operands[1] are memory.
2407
2408 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2409
2410         PR middle-end/23606
2411         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2412         COMPARISON_CLASS_P and an integral types create create a new
2413         expression with the new type and fold that.
2414
2415 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2416
2417         PR target/24988
2418         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2419         to SUBTARGET_OS_CPP_BUILTINS.
2420
2421 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2422
2423         * arm.c (emit_set_insn): New function.
2424         (arm_split_constant): Call it.
2425         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2426         (arm_legitimize_address): Likewise.  Use plus_constant.
2427         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2428         (thumb_expand_prologue): Likewise.
2429         (arm_gen_load_multiple): Use VOIDmode in SET.
2430         (arm_gen_store_multiple): Likewise.
2431         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2432         (emit_multi_reg_push): Likewise.
2433         (emit_sfm): Use plus_constant.
2434
2435 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2436
2437         PR target/24954
2438         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2439         typo last change.
2440
2441 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2442
2443         PR middle-end/24950
2444         * expmed.c (store_bit_field): Don't attempt to insv a field
2445         larger than the reg.
2446
2447 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2448
2449         PR target/24954
2450         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2451         explicit sign extension, not a (char) cast.
2452
2453 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2454
2455         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2456         GET_MODE_CLASS (x) == MODE_FLOAT.
2457         * config/i386/i386.c: Likewise.
2458         * config/rs6000/xcoff.h: Likewise.
2459         * config/rs6000/linux64.h: Likewise.
2460         * config/rs6000/rs6000.c: Likewise.
2461         * config/rs6000/rs6000.h: Likewise.
2462         * config/rs6000/predicates.md: Likewise.
2463         * config/rs6000/sysv4.h: Likewise.
2464
2465 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2466
2467         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2468         flag_pic is set.
2469
2470         * config/alpha/freebsd.h, config/alpha/linux.h,
2471         config/arm/linux-elf.h, config/bfin/bfin.h,
2472         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2473         config/i386/beos-elf.h, config/i386/gnu.h,
2474         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2475         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2476         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2477         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2478         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2479         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2480         config/sparc/linux.h, config/sparc/linux64.h,
2481         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2482
2483         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2484         are both defined when either flag -fpic or -fPIC are used.
2485
2486 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2487
2488         * config/fp-bit.c (clzusi): New function.
2489         (si_to_float, usi_to_float): Use it to compute proper shift.
2490         (usi_to_float): Preserve guard bits when shifting right.
2491         * libgcc-std.ver (GCC_4.2.0): New version.
2492         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2493         __floatundisf): New functions.
2494         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2495         __floatundisf): Declare.
2496         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2497         _floatundixf, and _floatunditf.
2498         * optabs.c (expand_float): If target does not define a pattern for
2499         signed or unsigned conversion, use an unsigned libcall instead of
2500         a signed one.
2501         (init_optabs): Initialize ufloat_optab.
2502
2503 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2504
2505         * config/rs6000/rs6000.opt (mmulhw): New option.
2506         * doc/invoke.texi (-mmulhw): Document.
2507         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2508         for 405 and 440.
2509         * config/rs6000/rs6000.md: Add half-word multiply and
2510         multiply-accumulate instructions for 405 and 440.
2511
2512 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2513
2514         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2515         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2516         default now includes a linker group which makes the RTEMS one nest.
2517
2518 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2519
2520         * cse.c (fold_rtx): Typo fix.
2521         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2522
2523 2005-11-21  Richard Henderson  <rth@redhat.com>
2524
2525         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2526         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2527
2528         * c-tree.h (lookup_name): Move declaration ...
2529         * c-common.h (lookup_name): ... here.
2530         * config/darwin-c.c: Include c-common.h.
2531         * config/t-darwin: Update dependencies.
2532
2533 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2534
2535         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2536         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2537         * genopinit.c (gen_insn): Likewise.
2538         * reload.c (find_equiv_reg): Likewise.
2539         * loop.c (load_mems): Likewise.
2540         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2541         * cse.c (find_comparison_args, fold_rtx): Likewise.
2542         * dwarf2out.c (add_const_value_attribute): Likewise.
2543         * expr.c (convert_move): Likewise.
2544         * recog.c (general_operand, register_operand): Likewise.
2545         * reg-stack.c (replace_reg): Likewise.
2546         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2547         * c-common.c (handle_vector_size_attribute): Likewise.
2548         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2549         (simplify_binary_operation_1): Likewise.
2550         (simplify_const_binary_operation): Likewise.
2551         (simplify_relational_operation): Likewise.
2552         (simplify_const_relational_operation): Likewise.
2553         (simplify_immed_subreg): Likewise.
2554         * emit-rtl.c (gen_lowpart_common): Likewise.
2555         * expmed.c (expand_mult): Likewise.
2556         * stor-layout.c (layout_type): Likewise.
2557
2558 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2559
2560         PR target/24951
2561         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2562         cst2 only for SPE vectors.
2563
2564 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2565
2566         PR target/24953
2567         * config/rs6000/predicates.md (vrsave_operation): Check
2568         UNSPEC_VOLATILE value.
2569
2570 2005-11-21  Jan Hubicka  <jh@suse.cz>
2571
2572         PR tree-optimization/24653
2573         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2574
2575 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2576
2577         * config/i386/predicates.md (ax_reg_operand): New predicate.
2578         (memory_displacement_only_operand): New predicate.
2579         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2580         operand is AX register and the other operand is memory operand
2581         with displacement only.
2582
2583 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2584
2585         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2586         if we don't care about NaNs or Infinities.
2587
2588 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2589
2590         PR rtl-optimization/24883
2591         * combine.c (combinable_i3pat): When checking whether the
2592         destination of i3 is used in i3, consider paradoxical subregs.
2593
2594 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2595
2596         PR middle-end/20583
2597         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2598
2599 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2600
2601         * combine.c (try_combine): Do not run subst on i1src and i2src in
2602         the case of generating a PARALLEL for a comparison.
2603
2604 2005-11-20  Richard Henderson  <rth@redhat.com>
2605
2606         PR 24931
2607         * tree-sra.c (struct sra_elt): Add all_no_warning.
2608         (struct sra_walk_fns) <use>: Add use_all argument.
2609         (sra_walk_expr): Pass it.
2610         (sra_walk_modify_expr): Likewise.
2611         (scalarize_ldst): Likewise.
2612         (scan_use): Update for new argument.
2613         (mark_no_warning): New.
2614         (scalarize_use): Use it.
2615
2616 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2617
2618         * expr.c (expand_expr_real): Use usmul_optab for widening
2619         signed * unsigned multiplies.
2620         * genopinit.c (optabs): Add usmul_widen_optab.
2621         * optabs.c (init_optabs): Likewise.
2622         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2623         (usmul_widen_optab): Define.
2624         * config/bfin/bfin.md (usmulhisi3): New pattern.
2625
2626         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2627
2628 2005-11-20  Graham Stott <btinternet.com>
2629
2630         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2631
2632 2005-11-20  Andreas Schwab  <schwab@suse.de>
2633
2634         PR target/24757
2635         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2636         insn.
2637
2638 2005-11-19  Richard Henderson  <rth@redhat.com>
2639
2640         PR tree-opt/24665
2641         * tree-gimple.c (is_gimple_id): Export.
2642         * tree-gimple.h (is_gimple_id): Declare.
2643         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2644         (get_default_value): Use it.
2645         (maybe_fold_stmt_indirect): Likewise.
2646
2647 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2648
2649         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2650         than VR1 or vice-versa.
2651
2652 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2653
2654         PR middle-end/24912
2655         PR middle-end/24750
2656         * reload.c (find_reloads_address_1): Mention dependency on
2657         gen_reload.
2658         * reload1.c (gen_reload): For IN with an unary operation, try
2659         moving inner expression to OUT if trivial SET is not valid.
2660         Confirm that the result is valid.  Move common code block into...
2661         (emit_insn_if_valid_for_reload): New function.
2662
2663 2005-11-19  Richard Guenther  <rguenther@suse.de>
2664
2665         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2666         ARRAY_REFs of constant strings.
2667
2668 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2669
2670         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2671         fatal format string.
2672
2673 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2674
2675         * combine.c (make_compound_operation): Swap operands of
2676         commutative operation if necessary before returning.
2677
2678 2005-11-19  Richard Guenther  <rguenther@suse.de>
2679
2680         PR middle-end/23294
2681         * fold-const.c (fold_plusminus_mult_expr): New function.
2682         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2683         cases, remove now unnecessary code.
2684
2685 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2686
2687         * gensupport.c (old_preds): Rename to std_preds, add special field.
2688         (struct old_pred_table): Rename to struct std_pred_table, add special
2689         field.
2690         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2691         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2692         (init_predicate_table): Adjust, and set along the way whether a
2693         predicate is special.
2694
2695 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2696
2697         * BASE-VER: Change to 4.2.0.
2698
2699 2005-11-18  James E Wilson  <wilson@specifix.com>
2700
2701         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2702         returning it.
2703
2704 2005-11-18  Mike Stump  <mrs@apple.com>
2705
2706         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2707         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2708         * c-decl.c (lookup_name_two) Remove.
2709         * c-tree.h (lookup_name_two): Remove.
2710         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2711         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2712         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2713         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2714
2715 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2716
2717         PR target/24914
2718         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2719         when not generating code to use that co-processor.
2720
2721 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2722
2723         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2724         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2725         these functions are now in tree-phinodes.c.
2726
2727 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2728
2729         * config/bfin/bfin.md (trap): New pattern.
2730
2731 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2732
2733         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2734         on types.
2735
2736         * expr.c (expand_expr_real): Don't call record_block_change unless
2737         ib_boundaries_block is non-null
2738
2739         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2740
2741         * fold-const.c (build_range_check): Use proper type for subtraction
2742         when merging lower bound.
2743
2744 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2745
2746         PR rtl-optimization/24497
2747         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2748         the copied insn.
2749
2750 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2751
2752         * tree-scalar-evolution.c (expression_expensive_p): New function.
2753         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2754
2755 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2756
2757         * config/bfin/crtlibid.s: New file.
2758
2759 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2760
2761         PR target/24348
2762         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2763         when not using sjlj exceptions.
2764         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2765         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2766         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2767         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2768         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2769         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2770         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2771         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2772         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2773         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2774         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2775         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2776         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2777         defines.
2778         * config/pa/hpux-unwind.h: New file.
2779
2780 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2781
2782         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2783         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2784         * varasm.c (do_assemble_alias): Adjust call.
2785         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2786         is defined.
2787         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2788
2789 2005-11-17  James E Wilson  <wilson@specifix.com>
2790
2791         * tree.def (FUNCTION_DECL): Correct typo in comment.
2792
2793 2005-11-17  Richard Henderson  <rth@redhat.com>
2794
2795         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2796         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2797         and DW_CFA_def_cfa_sf.
2798         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2799         (dbx_reg_number): Don't assert particular registers here.
2800         (based_loc_descr): ... do it here instead.  Fold in ...
2801         (eliminate_reg_to_offset): ... this function.
2802         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2803         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2804         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2805         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2806         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2807         (instantiate_virtual_regs): Likewise.
2808         * var-tracking.c (adjust_stack_reference): Likewise.
2809         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2810
2811 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2812
2813         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2814         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2815         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2816         crtlibid.o.
2817         ($(T)crtlibid.o): New rule.
2818
2819 2005-11-16  Richard Guenther  <rguenther@suse.de>
2820
2821         PR middle-end/24851
2822         * fold-const.c (extract_array_ref): Return byte offset
2823         in all cases.
2824         (fold_binary): Fold &x[a] CMP &x[b] to
2825         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2826         behavior.
2827
2828 2005-11-16  Richard Henderson  <rth@redhat.com>
2829
2830         PR middle-end/23497
2831         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2832         parts of an SSA_NAME.
2833
2834 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2835
2836         PR target/24861
2837         * arm.md (split for movsf with immediate): Restrict split to insns
2838         that set a general register.
2839
2840 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2841
2842         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2843         uw_update_context.
2844         * unwind-dw2.c (uw_advance_context): Likewise.
2845         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2846         _Unwind_SjLj_Unregister.
2847         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2848
2849 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2850
2851         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2852
2853 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2854
2855         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2856         langhook to get a DImode integer type.
2857
2858 2005-11-16  Richard Henderson  <rth@redhat.com>
2859             J"orn Rennecke <joern.rennecke@st.com>
2860             Ulrich Weigand  <uweigand@de.ibm.com>
2861
2862         PR rtl-opt/24160
2863         PR target/24621
2864         * reload1.c (reg_equiv_invariant): New.
2865         (reload): Allocate, initialize, and free it.
2866         (calculate_needs_all_insns): Check it when skipping equivalence
2867         setting insns.
2868         (alter_reg): Likewise.
2869         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2870         may_use_invariant argument; only use reg_equiv_invariant when true.
2871         (eliminate_regs): New.
2872         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2873         a context for which may_use_invariant may be true.
2874
2875 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * fold-const.c (const_binop): Don't constant fold the operation
2878         if the result has overflowed and flag_trapping_math.
2879         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2880
2881 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2882
2883         * config/arm/unwind-arm.c (abort): Add prototype here.
2884         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2885         (struct phase1_vrs): Add prev_sp.
2886         (unwind_phase2_forced): Save the original core registers instead of
2887         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2888         and set action flags accordingly.  Always set _US_END_OF_STACK when
2889         get_eit_entry fails.  Unwind before calling the stop function.
2890         (_Unwind_GetCFA): New function.
2891         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2892         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2893         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2894         just call unwind_phase2_forced.
2895         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2896         * config/arm/unwind-arm.h (abort): Remove prototype.
2897         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2898         prototypes.
2899         (_Unwind_GetCFA): New prototype.
2900         * config/arm/pr-support.c (abort): Add prototype here.
2901         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2902         forced unwinding.
2903         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2904         not schedule the prologue with non-call exceptions and EABI.
2905
2906 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2907
2908         * config/arm/unwind-arm.h: Reorder interface function declarations.
2909         (_URC_END_OF_STACK): New enumeration value.
2910         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2911         (struct _Unwind_Control_Block): Document reserved field use.
2912         (_Unwind_Stop_Fn): New typedef.
2913         (_Unwind_ForcedUnwind): Declare.
2914         (_Unwind_Resume_or_Rethrow): Declare.
2915         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2916         argument.  Adjust.
2917         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2918         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2919         (UCB_FORCED_STOP_ARG): New.
2920         (search_EIT_table): Update boundary condition checks.
2921         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2922         (unwind_phase2): Replace for with do..while.
2923         (unwind_phase2_forced): New.
2924         (__gnu_Unwind_RaiseException): Replace for with do..while.
2925         (__gnu_Unwind_ForcedUnwind): New.
2926         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2927         Use appropriate phase2 unwinder.
2928         (__gnu_Unwind_Resume_or_Rethrow): New.
2929         (__gnu_unwind_pr_common): Cope with forced unwinding.
2930
2931 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2932
2933         PR target/24772
2934         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2935
2936         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2937         roundsf2): Remove "s" from mnemonic.
2938
2939 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2940
2941         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2942         __PIC__ is defined.
2943         * config/bfin/crtn.s: Change epilogues to match.
2944         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2945         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2946         __PIC__ and __pic__.
2947
2948 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2949
2950         PR 24357
2951         * doc/invoke.texi: Distinguish between free and fixed form instead of
2952         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2953         languages.
2954         * gcc.c (default_compilers): Remove double entries, add entries for
2955         suffixes '.F90' and '.F95'.
2956
2957 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2958
2959         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2960         in the stack probing loop.
2961
2962 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2963
2964         * configure.ac: Use .machine power5 not power5x.
2965         * configure: Regenerate.
2966
2967 2005-11-15  Mike Stump  <mrs@apple.com>
2968
2969         * c-decl.c (lookup_name_two): Add.
2970         * c-tree.h (lookup_name_two): Likewise.
2971         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2972         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2973
2974 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2975
2976         PR rtl-optimization/23392
2977         * regrename.c (enum scan_actions) Add mark_access.
2978         (scan_actions_name): Ditto.
2979         (scan_rtx_reg): Handle mark_access.
2980         (scan_rtx_address): Do nothing for mark_access.
2981         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2982         and regs in REG_INC notes before closing chains for dead regs.
2983         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2984         opening chains for new writes.
2985
2986 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2987
2988         * c.opt (ffixed-line-length-none): New.
2989
2990 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2991
2992         * mklibgcc.in: Change contents of eh_dummy.c.
2993
2994 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2995
2996         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2997
2998 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2999
3000         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3001         of making syscalls.
3002         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3003
3004 2005-11-15  Jan Hubicka  <jh@suse.cz>
3005
3006         * invoke.texi (large-unit-insns): Document.
3007         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3008         * params.def (large-unit-insns): New param.
3009
3010 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         PR target/24869
3013         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3014         special register for operand 3.  Reindent constraints to align
3015         them vertically.
3016
3017 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3018
3019         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3020         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3021         * configure.ac: Add test for FP rounding instructions.
3022         * configure: Regenerate.
3023         * config.in: Regenerate.
3024         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3025         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3026         features enabled.
3027         * config/rs6000/rs6000.opt (mfprnd): New.
3028         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3029         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3030         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3031         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3032         (TARGET_FPRND): New.
3033         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3034         UNSPEC_FRIZ): New.
3035         (btrunc<mode>2): New.
3036         (ceil<mode>2): New.
3037         (floor<mode>2): New.
3038         (round<mode>2): New.
3039
3040 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3041
3042         * gcc.c (version_compare_spec_function): Use fatal() rather than
3043         abort().
3044
3045         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3046         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3047         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3048         as empty.
3049         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3050         link in crt2.o.
3051
3052         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3053         on -mmacosx-version-min setting.
3054
3055 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3056
3057         PR 24840
3058         * tree-vrp.c (infer_value_range): Return false if STMT is a
3059         block terminator and its basic block has no successors.
3060
3061 2005-11-14  Mike Stump  <mrs@apple.com>
3062
3063         * config/i386/i386.c (override_options): -masm=intel isn't
3064         supported on darwin.
3065         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3066
3067 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3068
3069         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3070         vfork after including auto-host.h.
3071
3072 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3073
3074         PR rtl-optimization/22002
3075         * combine.c (distribute_notes): Detect cases where a reg dies
3076         two or more times in a bb, including on the insn we are combining,
3077         and place the death note on the correct range.
3078
3079 2005-11-14  Dale Johannesen  <dalej@apple.com>
3080
3081         * expmed.c (store_bit_field):  Add offset unconditionally for
3082         memory targets.
3083         (extract_bit_field):  Don't force extzv or extv operand into
3084         a register if field is too big.
3085
3086 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3087
3088         * config/arm/arm.c (pic_labelno): New.
3089         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3090         LABEL_REF.  Pass only the labelno to PIC insns.
3091         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3092         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3093         * arm.md (UNSPEC_PIC_LABEL): New constant.
3094         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3095         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3096         Use the correct label prefix.
3097
3098 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3099
3100         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3101         REQ_EQUIV note.
3102
3103 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3104
3105         * loop-invariant.c: Include tm_p.h.
3106         * Makefile.in: Updated.
3107
3108 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3109
3110         * pa.c (store_reg): Revise generation of frame notes in large frames.
3111         (set_reg_plus_d): Likewise.
3112
3113 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3114
3115         PR tree-optimization/24709
3116         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3117         loop check.
3118
3119 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3120
3121         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3122         and duplicate declaration of pthread_self.
3123
3124 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3125             Ian Lance Taylor  <ian@airs.com>
3126
3127         PR middle-end/24003
3128         * calls.c (expand_call): If TARGET is a MEM and some part of the
3129         argument area has been saved, force TARGET to a register.
3130
3131 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3132
3133         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3134         checking.
3135
3136 2005-11-13  Jason Merrill  <jason@redhat.com>
3137
3138         PR c++/22489
3139         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3140         lazily declared methods.
3141         (force_decl_die): Stop if forcing out the context already make a
3142         DIE for the decl.
3143         (force_type_die): Likewise.
3144
3145 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3146
3147         PR middle-end/24820
3148         * builtins.c (integer_valued_real_p): Add break in
3149         REAL_CST having TREE_OVERFLOW set.
3150
3151 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3152
3153         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3154         addressing modes during calculation of costs.
3155
3156 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3157
3158         * function.c (assign_stack_local_1): Restrict sanity check
3159         on frame size overflow to 32-bit and above platforms.
3160
3161 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3162
3163         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3164         * config/cris/cris.c: Include reload.h.
3165         (cris_initial_elimination_offset): New function.
3166         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3167         Prototype.
3168
3169 2005-11-12  Richard Guenther  <rguenther@suse.de>
3170
3171         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3172
3173 2005-11-12  Jan Hubicka  <jh@suse.cz>
3174
3175         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3176         to compare against 0 when possible.
3177
3178 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3179
3180         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3181         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3182         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3183         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3184         in the new order.
3185
3186 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3187
3188         * recog.c (constrain_operands) <case 'g'>: For a match, require
3189         that a non-register matches general_operand when strict >= 0.
3190
3191 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3192
3193         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3194         previous checkin.
3195
3196 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3197
3198         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3199         (memory_address_same): New.
3200         (dse_optimize_stmt): Call memory_address_same.
3201
3202 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3203
3204         PR middle-end/24750
3205         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3206         ZERO_EXTEND>: New cases.
3207
3208 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3209
3210         * longlong.h (__clz_tab): Always provide.
3211
3212 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3213
3214         PR 24265
3215         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3216         can be assigned to.
3217         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3218         before check_maybe_invariant.
3219         (move_invariant_reg): Use gen_move_insn instead of replacing
3220         SET_DEST with the temporary for the invariant.
3221         (move_loop_invariants): If checking is enabled, do internal
3222         consistency checks after completing the pass.
3223
3224 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3225
3226         PR 24644
3227         * common.opt (Wvolatile-register-var): New.
3228         * varasm.c (make_decl_rtl): Only emit warning when option
3229         specified.  Clarify warning message.
3230         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3231
3232         * doc/md.texi (copysign): Document standard named pattern.
3233
3234 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3235
3236         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3237         bytes when align is 2.
3238         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3239         by the first instruction of the loop.
3240
3241 2005-11-11  Jason Merrill  <jason@redhat.com>
3242
3243         PR c++/24686
3244         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3245         the cleanup list.
3246
3247 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3248
3249         PR rtl-optimization/22509
3250         * local-alloc.c (memref_used_between_p): Check whether a function call
3251         could not reference the memref.
3252
3253 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3254
3255         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3256         algorithm so as to choose the best, not the worst, alternative.
3257         Reset accumulated register class before processing next alternative.
3258
3259 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3260
3261         PR target/24445
3262         * calls.c (expand_call): Copy a return value to a plain register
3263         if needed.
3264
3265 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3266
3267         PR target/24778
3268         * varasm.c (assemble_name): Recompute name only for transparent
3269         aliases.
3270
3271 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3272
3273         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3274
3275 2005-11-04  Jeff Law  <law@redhat.com>
3276
3277         PR middle-end/23181
3278         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3279         perform reassociation if the parent statement will not die as
3280         a result of the optimization.
3281
3282 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3283
3284         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3285         delete_old_heap_vars.
3286         * tree-dfa.c (referenced_var_remove): Remove function.
3287         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3288         (delete_tree_ssa): Remove call to delete_old_heapvars.
3289         Add call to delete_alias_heapvars.
3290         * tree-flow.h (referenced_var_remove): Remove prototype
3291         (init_alias_heapvars): New prototype.
3292         (delete_alias_heapvars): Ditto.
3293         * Makefile.in (tree-ssa-structalias.o): Add
3294         gt-tree-ssa-structalias.o
3295         (GTFILES): Add tree-ssa-structalias.h and
3296         tree-ssa-structalias.c.
3297         (s-gtype): Add gt-tree-ssa-structalias.h.
3298         * tree-ssa-structalias.c (heapvars): Remove.
3299         (oldheapvars): Remove.
3300         (heapvar_for_stmt): New variable.
3301         (heapvar_lookup): New function.
3302         (heapvar_insert): Ditto.
3303         (get_constraint_for): See if we have an old heapvar
3304         to reuse.
3305         (init_alias_heapvars): New function.
3306         (delete_alias_heapvars): Ditto.
3307         Add include of gt-tree-ssa-structalias.h.
3308
3309 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3310
3311         PR middle-end/22127
3312         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3313
3314 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3315
3316         * tree.c (int_fits_type_p): Only look at the base type
3317         if it has the same precision as the original type.
3318
3319 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3320
3321         PR other/4372
3322         * varasm.c (assemble_alias): Use %q+D in the error
3323         message instead of %J and %qD.
3324
3325 2005-11-10  Richard Guenther  <rguenther@suse.de>
3326
3327         * gcse.c (free_ldst_entry): Only free hashtable if
3328         it exists.
3329
3330 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3331
3332         * function.c (assign_stack_local_1): Issue an error message if
3333         the frame size overflows in the signed target arithmetics.
3334
3335 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3336
3337         * tree.c (build_qualified_type): Chain the new type to the original
3338         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3339         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3340         (build_pointer_type_for_mode): Only return unqualified types.
3341         (build_reference_type_for_mode): Likewise.
3342
3343 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3344
3345         * Makefile.in (gnucompare): Do comparison of all files using one of
3346         the chosen methods and only afterwards decide if just warning should
3347         be issued or comparison failure raised.
3348
3349 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3350
3351         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3352         (noce_try_abs): Negate if the comparison is reversed.
3353         Look only one instruction backwards for a REG_EQUAL note.
3354
3355 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3356
3357         PR other/4372
3358         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3359         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3360         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3361         and prefix all uses with __ghtrw.
3362
3363 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3364
3365         PR other/4372
3366         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3367         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3368         * c-common.c (handle_weakref_attribute): New.
3369         (c_common_attribute_table): Add weakref.
3370         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3371         in the assembler.
3372         * configure, config.in: Rebuilt.
3373         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3374         * doc/extend.texi: Document weakref attribute.
3375         * varasm.c (ultimate_transparent_alias_target): New
3376         (assemble_name): Use it.
3377         (weak_finish_1): Split out of...
3378         (weak_finish): ... and deal with weakrefs in...
3379         (weakref_targets): ... new list.
3380         (globalize_decl): Clean up weakref_targets.
3381         (do_assemble_alias): Handle weakrefs.
3382         (finish_aliases_1): Do not reject weakrefs to external symbols.
3383         (assemble_alias): Handle weakrefs.
3384
3385 2005-11-09  Richard Guenther  <rguenther@suse.de>
3386
3387         PR tree-optimization/24716
3388         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3389         t_bool to track results from follow_ssa_edge.
3390
3391 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3392
3393         * final.c (force_source_line): New global variable.
3394         (final_scan_insn): Set it to true instead of clearing last_filename.
3395         (notice_source_line): Return true if force_source_line is true,
3396         unless source info is absent.
3397
3398 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3399
3400         PR c/24644
3401         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3402         a linkage name for a variable if it a register variable.
3403         * c-decl.c (grokdeclarator): Global register variables
3404         should be set as PUBLIC.
3405
3406 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3407
3408         PR 24624
3409         * config/s390/s390.c (struct s390_frame_layout): New fields
3410         first_save_gpr_slot and last_save_gpr_slot.
3411         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3412         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3413         first_save_gpr and last_save_gpr with the _slot variants.
3414         (s390_register_info): Calculate first_save_gpr_slot and
3415         last_save_gpr_slot using regs_ever_live.
3416
3417 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3418
3419         PR 24623
3420         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3421         for a function containing a landing pad.
3422
3423 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3424
3425         PR 24034
3426         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3427         is live afterwards.
3428
3429 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3430
3431         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3432         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3433
3434 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3435
3436         Add ms2 support
3437         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3438         constants.
3439         (call,load,store): New insn types.
3440         (mem_access, branch_access): Adjust reservation conditions.
3441         (define_delay): Adjust condition.
3442         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3443         type.
3444         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3445         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3446         insn type.
3447         (call_internal, call_value_internal, return_internal,
3448         return_interrupt_internal, eh_return_internal, indirect_jump,
3449         tablejump): Set call insn type.
3450         (blockage, ei, di): Use appropriate unspec const.
3451         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3452         (ms1_get_attr_type): Adjust to give load & store types.
3453         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3454         backwards past a barrier.
3455         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3456         branch scheduling.
3457         (struct branch_info, struct label_info): New.
3458         (ms1_labels): New.
3459         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3460         (ms1_machine_reorg): New.
3461         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3462         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3463         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3464         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3465         (TARGET_MS2): New.
3466
3467 2005-11-09  Per Bothner  <per@bothner.com>
3468             Uros Bizjak  <uros@kss-loka.si>
3469
3470         PR c/24101
3471         * toplev.c (process_options): Initialize debug_hooks early
3472         in case lang_hooks.post_options ends up calling a debug_hook.
3473
3474 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3475
3476         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3477         DBX_REGISTER_NUMBER being contiguous.
3478
3479 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3480             Diego Novillo  <dnovillo@redhat.com>
3481
3482         PR 23046
3483         * tree-vrp.c (register_edge_assert_for): Do not register
3484         always-false predicates.
3485
3486 2005-11-08  Devang Patel <dpatel@apple.com>
3487
3488         PR tree-optimization/23115
3489         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3490         relation.
3491
3492 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3493
3494         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3495         -mcpu=440.
3496
3497 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3498
3499         Fix PR tree-optimization/23382
3500
3501         * tree-ssa-alias.c (compute_may_aliases): Call
3502         delete_old_heap_vars.
3503         * tree-dfa.c (referenced_var_remove): New function.
3504         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3505         * tree-flow.h (referenced_var_remove): Add prototype.
3506         (delete_old_heap_vars): Ditto.
3507         * tree-ssa-structalias.c (heapvars): New variable.
3508         (oldheapvars): Ditto.
3509         (get_constraint_for): Put heap vars on heapvars list.
3510         (delete_old_heap_vars): New function.
3511
3512 2005-11-08  Jason Merrill  <jason@redhat.com>
3513
3514         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3515
3516 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3517
3518         PR target/19340
3519         * reg-stack.c (reg_to_stack): Update register liveness also
3520         for flag_sched2_use_traces.
3521
3522 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3523
3524         PR target/23704
3525         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3526         override prior explicit -mno-powerpc-gfxopt.
3527
3528 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3529
3530         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3531         if the bitsize is zero.
3532         * doc/md.texi (Standard Pattern Names): Document it.
3533
3534         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3535         (TARGET_PASS_BY_REFERENCE): Likewise.
3536
3537 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3538
3539         PR rtl-optimization/24683
3540         * config/i386/i386.c (legitimize_pic_address): If constant operand
3541         to PLUS is too large, put it in a register.
3542
3543 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3544
3545         * configure.ac: Enable checking assembler dwarf2 support for bfin
3546         target.
3547         * configure: Regenerate.
3548
3549 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3550
3551         PR target/24230
3552
3553         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3554         gen_easy_vector_constant_add_self): Delete.
3555         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3556         New.
3557         (output_vec_const_move): Use gen_easy_altivec_constant.
3558         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3559         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3560         (easy_vector_constant_add_self): Rewritten.
3561         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3562         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3563         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3564         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3565         Macroize and adjust for the other changes.
3566
3567 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3568
3569         PR c/24599
3570
3571         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3572         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3573
3574 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3575
3576         PR rtl-optimization/23567
3577         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3578         (noce_process_if_block): Don't do any optimizations except
3579         if (cond) x = x; if !set_b and write into orig_x may trap
3580         or fault.  Remove the MEM_READONLY_P check.
3581
3582 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3583
3584         PR 24670
3585         * tree-vrp.c (fix_equivalence_set): New.
3586         (extract_range_from_assert): Call it.
3587
3588 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3589
3590         PR target/22432
3591         * combine.c (apply_distributive_law): Don't distribute across a
3592         vector mode subreg.
3593
3594 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3595
3596         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3597         config/ms1/ms1.h, config/rs6000/predicates.md,
3598         config/s390/s390.c, params.def, postreload-gcse.c,
3599         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3600         tree-vrp.c, tree.c: Fix comment typos.
3601         * doc/invoke.texi: Fix typos.
3602
3603 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3604
3605         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3606         for testing whether the data_dependence_relation contains distance
3607         vectors.  Iterate over all distance vectors of the ddr.
3608         * lambda.h: Define a vec of lambda_vector pointers.
3609         * tree-data-ref.c (dump_data_dependence_relation,
3610         dump_data_dependence_direction): Iterate over all distance and
3611         direction vectors of the ddr.
3612         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3613         DDR_DIST_VECTS.
3614         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3615         of distance/direction vectors instead of a single one.
3616         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3617         lambda_vectors with a vec of lambda_vectors.
3618         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3619         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3620         DDR_NUM_DIST_VECTS): New.
3621         * tree-loop-linear.c (gather_interchange_stats): Test for the
3622         existence of distance vectors only after having checked that there
3623         is a dependence.  Iterate over all distance vectors of the ddr.
3624         (linear_transform_loops): Use dump_data_dependence_relation.
3625         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3626         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3627         distance vectors of the ddr.
3628
3629 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3630
3631         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3632         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3633         IS_INTHANDLER; all callers changed.
3634         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3635         account.
3636         (do_link, do_unlink): New argument ALL; all callers changed.
3637         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3638         If function isn't leaf, save and restore all registers.
3639         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3640         exception handler.
3641
3642 2005-11-05  Jan Hubicka  <jh@suse.cz>
3643
3644         PR rtl-optimization/23490
3645         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3646         max-flow-memory-location): Document.
3647         * flow.c: Include params.h
3648         (MAX_MEM_SET_LIST_LEN): Kill.
3649         (add_to_mem_set_list): Use new param.
3650         * cse.c (cse_basic_block): Replace 1000 by new param.
3651         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3652         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3653         * predict.c (predict_loops): Use new param.
3654         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3655
3656         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3657         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3658         Do not hold memory returned by cgraph_node_name across other call.
3659
3660 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3661
3662         PR target/23424
3663         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3664         Disable.
3665
3666 2005-11-04  Jeff Law  <law@redhat.com>
3667
3668         PR/21883
3669         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3670         * tree-ssa-dom.c: Include params.h.
3671         (thread_across_edge): If there are too many statements in the
3672         target block, then do not thread through it.
3673         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3674         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3675
3676 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3677
3678         PR 24627
3679         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3680         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3681
3682 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3683
3684         PR/18595
3685         * tree-scalar-evolution.c (instantiate_parameters_1,
3686         instantiate_parameters, resolve_mixers): Compute the size of an
3687         expression to be instantiated and give up the instantiation if the
3688         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3689
3690 2005-11-04  Richard Guenther  <rguenther@suse.de>
3691
3692         * tree-flow.h (ref_contains_indirect_ref): Rename to
3693         array_ref_contains_indirect_ref.
3694         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3695         (array_ref_contains_indirect_ref): Make comment match the code
3696         and vice-versa.
3697         (ref_contains_array_ref): Likewise.
3698         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3699         ref_contains_indirect_ref.
3700         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3701         Rename calls to ref_contains_indirect_ref.
3702
3703 2005-11-04 Paul Brook  <paul@codesourcery.com>
3704
3705         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3706         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3707         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3708         * config/arm/arm.md: Use match_operand in peephole input templates
3709         and match_dup in peephole output templates.
3710
3711 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3712
3713         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3714         __aeabi_uidiv.
3715
3716 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3717             Daniel Jacobowitz  <dan@codesourcery.com>
3718
3719         * longlong.h (add_ssaaaa): Clobber condition code register
3720         in ARM version.
3721         (sub_ddmmss): Likewise.
3722         (umul_ppmm): Likewise.
3723
3724 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3725             Paul Brook  <paul@codesourcery.com>
3726             Phil Blundell  <pb@reciva.com>
3727
3728         * configure.ac: Add test for ARM TLS support.
3729         * configure: Regenerated.
3730         * config/arm/arm-protos.h (legitimize_tls_address)
3731         (arm_tls_referenced_p, tls_mentioned_p)
3732         (arm_output_addr_const_extra): New prototypes.
3733         (thumb_legitimize_pic_address): Delete.
3734         * config/arm/arm.c: Include "gt-arm.h".
3735         (enum tls_reloc): New.
3736         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3737         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3738         (arm_call_tls_get_addr, legitimize_tls_address)
3739         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3740         (arm_init_tls_builtins, arm_emit_tls_decoration)
3741         (arm_output_addr_const_extra): New functions.
3742         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3743         (TARGET_HAVE_TLS): Define.
3744         (target_thread_pointer): New.
3745         (arm_override_options): Handle -mtp=.
3746         (legitimize_pic_address): Ignore UNSPECs.
3747         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3748         relative symbols.
3749         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3750         (tls_get_addr_libfunc): New variable.
3751         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3752         (arm_init_builtins): Call arm_init_tls_builtins.
3753         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3754         (arm_encode_section_info): Call default_encode_section_info.
3755         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3756         (enum arm_tp_type): New.
3757         (target_thread_pointer): Add declaration.
3758         (LEGITIMATE_CONSTANT_P): Handle TLS.
3759         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3760         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3761         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3762         * config/arm/arm.md: Add UNSPEC_TLS.
3763         (movsi): Handle TLS.
3764         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3765         non-PIC.
3766         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3767         (load_tp_hard, load_tp_soft): New insns.
3768         * arm.opt: Add -mtp=.
3769         * doc/invoke.texi (ARM Options): Document -mtp.
3770
3771 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3772
3773         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3774         * config/arm/libunwind.S: Include "lib1funcs.asm".
3775         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3776         (LIB2ADDEH): Add libunwind.S.
3777         (LIB2ADDEHDEP): Add lib1funcs.asm.
3778         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3779
3780 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3781
3782         PR fortran/18452
3783         * gcc/c.opt: Add a -lang-fortran option.
3784         * gcc/c-opts.c: Add a lang_fortran flag.
3785         (c_common_init_options): Handling the -lang-fortran option.
3786         (c_common_handle_option): Add a case for Fortran options in
3787         preprocessing. Remove cases for -ffixed-form and
3788         -ffixed-line-length. Add a case for -lang-fortran.
3789
3790 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3791
3792         * config/rs6000/rs6000.c: Include params.h
3793         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3794         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3795         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3796         (UNSPEC_VPKUWSS): Delete.
3797         (altivec_vpkuhss): Delete.
3798         (altivec_vpkuwss): Delete.
3799         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3800         final condition.
3801         (neg_eq0<mode>): Remove final condition.
3802         (neg_eq<mode>): Remove condition and split-condition.
3803
3804 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3805
3806         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3807         Use associated print macros.
3808
3809 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3810
3811         PR c++/17964
3812         * diagnostic.c (diagnostic_set_info_translated): New function.
3813         (diagnostic_set_info): Use it.  Add comment.
3814         * diagnostic.h (diagnostic_set_info_translated): Declare.
3815
3816 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3817
3818         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3819         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3820         reference only if 'public' is true.
3821         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3822         emit the .hidden directive only if the indirect reference is public.
3823         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3824         Pass it to dw2_force_const_mem.
3825         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3826         * dwarf2out.c (output_cfi): Adjust calls to above function.
3827         (output_call_frame_info): Likewise.
3828         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3829         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3830
3831 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3832
3833         PR tree-optimization/24483
3834         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3835         field to elts if possible.
3836
3837 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3838
3839         PR middle-end/23155
3840         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3841         CONSTRUCTOR.
3842
3843 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3844
3845         Fix PR tree-optimization/24351
3846
3847         * tree-ssa-structalias.c (struct variable_info): Add
3848         collapsed_into.
3849         (get_varinfo_fc): New function to follow collapsing.
3850         (new_var_info): Set collapsed_to to NULL.
3851         (dump_constraint): Follow collapsing.
3852         (build_constraint_graph): Handle collapsing.
3853         (do_simple_structure_copy): Return false if something bad
3854         happened.
3855         (collapse_rest_of_var): New function.
3856         (do_structure_copy): Collapse if do_simple_structure_copy returns
3857         false.
3858
3859 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3860
3861         PR middle-end/24589
3862         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3863         expressions to a statement list instead of gimplifying them.
3864
3865 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3866
3867         PR rtl-optimization/23585
3868         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3869         that can't trap plus a constant integer, if the mode has zero size.
3870
3871 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3872
3873         PR target/24620
3874         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3875         as operand 2.
3876         ("*insv<mode>_reg_extimm"): Likewise.
3877
3878 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3879
3880         PR c/24329
3881         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3882         c_common_type_for_mode returns an unnamed type.
3883
3884 2005-11-02  Richard Henderson  <rth@redhat.com>
3885
3886         PR target/9350
3887         PR target/24374
3888         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3889         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3890         * function.c (assign_parms): Use calls.internal_arg_pointer.
3891         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3892         code.
3893         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3894         (TARGET_CALLS): Add it.
3895         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3896         * targhooks.c (default_internal_arg_pointer): New.
3897         * targhooks.h (default_internal_arg_pointer): Declare.
3898         * tree.h (dwarf2out_reg_save_reg): Declare.
3899         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3900         * config/i386/i386.c (dbx_register_map): Add return column.
3901         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3902         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3903         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3904         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3905         (ix86_save_reg): Save force_align_arg_pointer.
3906         (ix86_emit_save_regs): Make regno unsigned.
3907         (ix86_emit_save_regs_using_mov): Likewise.
3908         (ix86_expand_prologue): Handle force_align_arg_pointer.
3909         (ix86_expand_epilogue): Likewise.
3910         * config/i386/i386.h: (dbx_register_map): Update.
3911         (dbx64_register_map, svr4_dbx_register_map): Update.
3912         (struct machine_function): Add force_align_arg_pointer.
3913         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3914         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3915         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3916
3917 2005-11-02  Jan Hubicka  <jh@suse.cz>
3918
3919         PR target/23303
3920         * i386.md: Add peep2 for simplyfing array accesses.
3921
3922 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3923
3924         PR target/24615
3925         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3926         * config/s390/s390.c (s390_decompose_shift_count): New function.
3927         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3928         (print_shift_count_operand): Use s390_decompose_shift_count.
3929         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3930         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3931
3932 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3933
3934         PR target/24600
3935         * loop.c (loop_givs_rescan): Use force_operand to expand
3936         complex GIVs.
3937
3938 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3939
3940         PR 22429
3941         * fold-const.c (build_range_check): Use unsigned when signed
3942         overflow is undefined also.  If etype is subtype, make sure that
3943         the subtraction is in the supertype.
3944
3945 2005-11-02  Richard Henderson  <rth@redhat.com>
3946
3947         PR target/24178
3948         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3949         by MEM_ALIGN.
3950
3951 2005-11-01  Richard Henderson  <rth@redhat.com>
3952
3953         PR 21518
3954         * loop.c (scan_loop): Do not propagate computations to a hard
3955         register destination with SMALL_REGISTER_CLASSES.
3956
3957 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3958
3959         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3960         costs for MULT inside PLUS or MINUS.
3961
3962 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3963
3964         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3965         (TRAMPOLINE_SIZE): Round up to 60.
3966         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3967
3968 2005-10-31  James E. Wilson  <wilson@specifix.com>
3969
3970         PR debug/24444
3971         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3972         ifdef.  Put ifdefs around call in gen_subprogram_die.
3973         (compute_frame_pointer_to_cfa_displacement): Likewise.
3974         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3975         not defined.
3976
3977         PR rtl-optimization/17356
3978         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3979         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3980
3981 2005-10-31  Jan Hubicka  <jh@suse.cz>
3982
3983         PR middle-end/24093
3984         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3985
3986         PR target/20928
3987         * i386.c (legitimize_pic_address): Deal with large immediates.
3988
3989         PR profile/20815
3990         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3991         from symbol names while computing checkup.
3992
3993         PR profile/24487
3994         * predict.c (predict_loops): Do not estimate more than
3995         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3996         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3997
3998 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3999
4000         PR tree-optimization/19097
4001         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4002
4003 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4004
4005         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4006
4007 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4008
4009         PR middle-end/23492
4010         * tree-inline.c (setup_one_parameter): If the init_stmt
4011         is NULL, don't insert the statement.
4012
4013 2005-10-30  Jan Hubicka  <jh@suse.cz>
4014
4015         PR tree-optimization/24172
4016         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4017
4018 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4019
4020         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4021         constants for hosts with long != 32 bits.
4022
4023 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4024
4025         PR middle-end/24093
4026         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4027
4028 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4029
4030         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4031         (TARGET_MS1_16_002): New.
4032         (TARGET_MS1_16_003): New.
4033
4034         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4035         ("*decrement_and_branch_until_zero_no_clobber"): New.
4036         Add corresponding splitter for decrement_and_branch_until_zero
4037         instruction.
4038         Key all decrement_and_branch_until_zero patterns off of
4039         TARGET_MS1_16_003.
4040
4041 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4042
4043         PR middle-end/24362
4044         * tree-complex.c (extract_component): Treat RESULT_DECL
4045         like the rest of the decls.
4046
4047 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4048
4049         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4050         indirect call to _mcount if the function needs a static chain.
4051
4052 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4053             Caroline Tice  <ctice@apple.com>
4054
4055         PR rtl-optimization/24460
4056         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4057         (dwarf2out_switch_text_section): Set it to true instead of
4058         incrementing separate_line_info_table_in_use.
4059         (output_loc_list): Additionally test have_switched_text_sections.
4060         (output_ranges): Likewise.
4061         (dwarf2out_finish): Likewise.
4062         * varasm.c (assemble_start_function): Do not call
4063         insert_section_boundary_note.
4064         (assemble_end_function): If flag_reorder_blocks_and_partition,
4065         switch to the function's section before emitting the .size directive.
4066         * bb-reorder.c (insert_section_boundary_note): Staticify.
4067         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4068         * output.h (insert_section_boundary_note): Delete.
4069
4070 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4071
4072         PR c/23103
4073         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4074         instead of pointer equality when comparing types.
4075
4076 2005-10-24  James E. Wilson  <wilson@specifix.com>
4077
4078         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4079         add_dependence_list_and_free calls.
4080
4081 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4082
4083         * contrib.texi: Add the names of the LLNL folks who donated
4084         Cray pointer support for gfortran.
4085
4086 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4087
4088         PR tree-optimization/24225
4089         * profile.c (branch_prob): Look from end to start through a
4090         basic block when looking for a locus.
4091
4092 2005-10-24  Richard Henderson  <rth@redhat.com>
4093
4094         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4095         parallel.
4096         (hppa_expand_prologue): Likewise.
4097
4098 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4099
4100         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4101         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4102         * pa.h (NO_PROFILE_COUNTERS): Define.
4103         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4104         (funcdef_nos): New vector to hold label numbers of deferred profile
4105         counters.
4106         (output_deferred_profile_counters): New function.
4107         (hppa_profile_hook): Push label number onto funcdef_nos.
4108         (pa_hpux_file_end): Call output_deferred_profile_counters if
4109         NO_DEFERRED_PROFILE_COUNTERS is false.
4110
4111         * pa-protos.h (get_deferred_plabel): New prototype.
4112         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4113         Make global.
4114         (output_call): Adjust calls.
4115
4116 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4117
4118         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4119         peculiarity of GOT/TOC section usage.
4120
4121 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4122
4123         PR objc/24435
4124          * c-common.c (constant_string_class_name): Add documentation.
4125
4126 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4127
4128         PR target/23832
4129         * recog.c (peephole2_optimize): Increment peep2_current_count
4130         only when the slot is empty.
4131
4132 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4133
4134         PR ada/23957
4135         * except.c (output_function_exception_table): Call
4136         assemble_external_libcall if we need a personality function.
4137
4138 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4139
4140         PR rtl-optimization/24460
4141         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4142         set the basic block for barriers.
4143
4144 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4145
4146         * var-tracking.c (vt_initialize): Initialize post.
4147
4148 2005-10-21  Devang Patel  <dpatel@apple.com>
4149
4150         PR/24220
4151         * c-common.c (vector_types_convertible_p): Check vector element type.
4152
4153 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4154
4155         * config/sh/sh.c (prepare_move_operands): Handle the address
4156         constant which is a tls symbolic address plus a constant.
4157
4158 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4159
4160         PR driver/24473
4161         * gcc.c (main): Use the correct counter for erroring out
4162         about mulitple files.
4163
4164 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4165
4166         PR target/24465
4167         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4168         use r2 for 64-bit tls .got access.
4169
4170 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4171
4172         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4173         TRUTH_OR_EXPR.
4174
4175 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4176
4177         PR tree-optimization/24307
4178         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4179
4180 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4181
4182         PR middle-end/24295
4183         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4184         alias targets.
4185         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4186         is ready, stop marking functions, but still mark variables.
4187
4188 2005-10-20  Richard Guenther  <rguenther@suse.de>
4189
4190         PR c++/24439
4191         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4192         void type operands.
4193
4194 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4195
4196         PR rtl-optimization/23585
4197         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4198         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4199         (may_trap_p_1): New predicate extracted from...
4200         (may_trap_p): ... here.  Invoke may_trap_p_1.
4201         (may_trap_or_fault_p): New predicate.
4202         * rtl.h (may_trap_or_fault_p): Declare it.
4203         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4204         instead of may_trap_p.
4205         (steal_delay_list_from_fallthrough): Likewise.
4206         (fill_simple_delay_slots): Likewise.
4207         (fill_slots_from_thread): Likewise.
4208         * function.c (pad_to_arg_alignment): Rework comment about
4209         SPARC_STACK_BOUNDARY_HACK.
4210         * config/sparc/sparc.h: Likewise.
4211
4212 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4213
4214         * config/s390/s390.c (s390_expand_insv): New.
4215         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4216         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4217         ("icm_hi"): Remove mode attribute.
4218         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4219         Adjust all uses.
4220         ("*extracthi", "*extractqi"): Remove.
4221         (extv<mode>", "*extzv<mode>"): New.
4222         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4223         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4224
4225 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4226
4227         * cfgexpand.c (discover_nonconstant_array_refs_r,
4228         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4229         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4230         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4231         discover_nonconstant_array_refs.
4232
4233 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4234
4235         PR c/23228
4236         * c-decl.c (pop_scope): Don't warn about an unused variable
4237         if it is marked with TREE_NO_WARNING.
4238         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4239         somenow mismatch and olddecl is to be replaced.
4240
4241 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4242
4243         PR middle-end/23199
4244         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4245         whether registers live on the edge can be saved/restored.
4246
4247 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4248
4249         * config/sh/sh.c (fixup_mova): Skip notes.
4250
4251 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4252
4253         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4254         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4255         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4256         (s390_initial_elimination_offset): Likewise.
4257         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4258         register on TARGET_ZARCH targets.
4259         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4260         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4261         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4262         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4263
4264 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4265
4266         * config/s390/s390.md: Comment describing output modifiers updated.
4267         * config/s390/s390.c (print_operand): Likewise.
4268
4269 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4270
4271         * config/s390/s390.c (override_options): Added check for -mstack-size
4272         64k limitation.
4273         * doc/invoke.texi: Mention that limit in the documenation.
4274
4275 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4276
4277         PR #19672
4278         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4279
4280 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4281
4282         Fix PR tree-optimization/24231
4283
4284         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4285         (compute_avail): Ditto.
4286
4287 2005-10-18  Richard Henderson  <rth@redhat.com>
4288
4289         PR target/24428
4290         * config/i386/i386.c (legitimate_constant_p): Check
4291         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4292         if LABEL_REF.
4293         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4294         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4295         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4296         directly.
4297         (print_operand_address): Likewise.
4298         * config/i386/predicates.md (x86_64_immediate_operand): Test
4299         SYMBOL_REF_TLS_MODEL properly inside CONST.
4300         (x86_64_zext_immediate_operand): Likewise.
4301         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4302         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4303         * config/i386/i386-protos.h: Remove predicates.md entries.
4304
4305 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4306
4307         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4308         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4309
4310 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4311             Ian Lance Taylor <ian@airs.com>
4312
4313         PR middle-end/23522
4314         * fold-const.c (fold_widened_comparison): Do not allow range based
4315         constant folding when right operand cannot be unwidened.
4316
4317 2005-10-17  Richard Henderson  <rth@redhat.com>
4318
4319         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4320         with a memory clobber.
4321
4322 2005-10-17  James E Wilson  <wilson@specifix.com>
4323
4324         PR rtl-optimization/17356
4325         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4326         checking for EDGE_EH.
4327
4328 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4329
4330         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4331         the slot on an even boundary for any type with 16-byte alignment.
4332
4333 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4334
4335         PR target/23424
4336         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4337         after register allocation.
4338
4339 2005-10-17  DJ Delorie  <dj@redhat.com>
4340
4341         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4342         as frame related.
4343
4344 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4345
4346         PR c++/22551
4347         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4348         overflow flags.
4349
4350 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4351
4352         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4353         to 2 if it's already non-zero.
4354         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4355         is set and warn about it if flag_schedule_insns is 1.
4356
4357 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4358
4359         * config/crx/crx.md: Compare-and-branch instructions need to
4360         invalidate CC.
4361
4362 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4363
4364         PR target/24315
4365         * config/i386/i386.md (*pushdi2_rex64 splitter)
4366         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4367         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4368         flow2 pass only when (optimize > 0 && flag_peephole2).
4369
4370 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4371
4372         PR driver/22544
4373         * gcc.c (have_c): New static variable.
4374         (have_o): Likewise.
4375         (process_command): Remove declation of have_c.
4376         Set have_o to 1 when handling -o.
4377         (main): Add a fatel error if there are multiple
4378         files specified and -o and -c/-S is passed witout
4379         -combine or multiple languages.
4380
4381 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4382
4383         Fix PR tree-optimization/22444
4384         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4385         Assert that we don't hit something with subvars.
4386         (setup_pointers_and_addressables): Don't add things with subvars,
4387         because we'll already process the subvars for aliasing purposes.
4388
4389 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4390
4391         PR target/23424
4392         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4393         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4394         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4395         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4396         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4397         swapped, alternatives for the R constraint.
4398
4399         PR middle-end/24341
4400         * builtins.c (get_builtin_sync_mode): Make unlimited
4401         mode_for_size request.
4402
4403 2005-10-15  Richard Henderson  <rth@redhat.com>
4404
4405         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4406         (gimplify_expr): ... here.
4407         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4408         fb_lvalue in base expression.
4409
4410 2005-10-15  Richard Henderson  <rth@redhat.com>
4411
4412         PR 23714
4413         * builtins.c (expand_builtin_trap): Export.
4414         * expr.h (expand_builtin_trap): Declare.
4415         * expr.c (expand_assignment): Emit a trap for integral offsets
4416         from registers that weren't reduced to bitpos.
4417
4418         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4419         (mark_array_ref_addressable): Remove.
4420         * tree-flow.h (mark_array_ref_addressable): Remove.
4421         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4422
4423 2005-10-15  James E Wilson  <wilson@specifix.com>
4424
4425         PR target/24232
4426         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4427         (add_dependence_list_and_free): Likewise.
4428         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4429         call.
4430
4431 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4432
4433         PR 23141
4434         PR 23142
4435         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4436         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4437         anti-range.
4438         (vrp_visit_phi_node): Only prevent infinite iterations when
4439         the previous result and the new result are both VR_RANGEs.
4440
4441 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4442
4443         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4444         function comment.
4445
4446 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4447
4448         PR c/23439
4449         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4450         to initialize loc.
4451
4452 2005-10-14  Per Bothner  <per@bothner.com>
4453
4454         PR preprocessor/21250
4455         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4456
4457 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4458
4459         PR c++/22551
4460         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4461         overflow flags.  Refactor some conditionals.
4462
4463 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4464
4465         PR tree-opt/21304
4466         * tree-dfa.c (add_referenced_var): Only look at decls which
4467         have TREE_CONSTANT or TREE_READONLY set instead of if
4468         !TREE_PUBLIC or !TREE_CONSTANT.
4469
4470 2005-10-13  James E Wilson  <wilson@specifix.com>
4471
4472         * doc/invoke.texi: For -x, add f95-cpp-input.
4473         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4474
4475 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4476
4477         PR tree-optimization/24262
4478         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4479         in loop all the time.
4480
4481 2005-10-12  Richard Henderson  <rth@redhat.com>
4482
4483         PR c/24255
4484         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4485         * function.c (assign_parm_find_data_types): Don't support it.
4486         * print-tree.c (print_node): Likewise.
4487         * c-common.c (handle_transparent_union_attribute): Likewise.
4488         Use build_duplicate_type.
4489         * tree-inline.c (remap_type_1): Split out of remap_type;
4490         properly remap aggregate fields.
4491         (build_duplicate_type): New.
4492         * doc/extend.texi (Variable Attributes): Remove documentation
4493         for transparent_union.
4494
4495 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4496
4497         PR target/24284
4498         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4499         (gen_stack_pointer_dec): Likewise.
4500
4501 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4502
4503         PR middle-end/21275
4504         PR middle-end/21766
4505         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4506         target hook.
4507         (struct cxx): Add adjust_class_at_definition target hook.
4508         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4509         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4510         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4511         hook_void_tree. Add to TARGET_CXX.
4512         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4513         dllimport_flag.
4514         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4515         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4516         instead of attribute. Check for dllexport override.  Warn if
4517         inconsistent dll linkage. Don't lose old dllimport if decl has
4518         had address referenced.   Tweak lookup of dllimport atribute.
4519         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4520         for target specific rules.  Don't add dllimport attribute if
4521         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4522         dllimport attribute.
4523         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4524         * varasm.c (initializer_constant_valid_p): Replace
4525         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4526
4527         PR target/21801
4528         PR target/23589
4529         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4530         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4531         (i[34567]86-*-mingw32*): Likewise.
4532
4533         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4534         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4535
4536         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4537         C++-specific code. Change return value to bool.
4538         (i386_pe_dllimport_p): Likewise.
4539         (associated_type): Simplify and make language-independent
4540         (i386_pe_encode_section_info): Replace override of ambiguous
4541         dllimport symbol refs with a gcc_assert.
4542         (i386_pe_valid_dllimport_attribute_p): Define.
4543         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4544         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4545         i386_pe_adjust_class_at_definition.
4546         * config/i386/winnt-stubs.c: New file. Define stub versions of
4547         lang-specific functions.
4548         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4549         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4550         i386_pe_adjust_class_at_definition.
4551         (i386_pe_valid_dllimport_attribute_p): Declare.
4552         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4553         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4554         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4555
4556         PR target/19704
4557         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4558         dllimport attribute with test of DECL_DLLIMPORT_P.
4559
4560 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4561
4562         * combine.c (make_extraction): Correct offset computation.
4563
4564 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4565
4566         * config/cris/t-linux (LIMITS_H_TEST): Define.
4567
4568 2005-10-12  Richard Henderson  <rth@redhat.com>
4569
4570         PR rtl-opt/23324
4571         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4572
4573 2005-10-12  Richard Guenther  <rguenther@suse.de>
4574
4575         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4576
4577 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4578
4579         PR c++/19964
4580         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4581         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4582         type.
4583
4584 2005-10-12  Richard Guenther  <rguenther@suse.de>
4585
4586         PR c++/23799
4587         * varasm.c (output_constant): Correct typo from previous
4588         patch by DJ.
4589
4590 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4591
4592         PR rtl-optimization/13931
4593         * combine.c: Revert patch of 2003-05-14, and:
4594         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4595         completely killed in the appropriate insn.
4596         (distribute_notes): Don't skip multiple hard register test for
4597         elim_i1 and elim_i2.
4598
4599 2005-10-11  Richard Henderson  <rth@redhat.com>
4600
4601         PR c/24255
4602         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4603         to initialize a transparent union instead of a nop_expr.
4604
4605 2005-10-11  Richard Henderson  <rth@redhat.com>
4606
4607         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4608         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4609         (tree_ssa_dce_loop): Call scev_reset.
4610
4611         PR tree-opt/24300
4612         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4613         * tree-ssa-dce.c: Include cfgloop.h.
4614         (tree_ssa_dce_loop, pass_dce_loop): New.
4615         * tree-pass.h (pass_dce_loop): Declare it.
4616         * passes.c (init_optimization_passes): Use it.
4617
4618 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4619
4620         PR middle-end/24263
4621         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4622         Only apply the optimization for rounding builtins if the inner
4623         cast is also an extension.
4624
4625 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4626
4627         PR tree-opt/23946
4628         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4629         mark_new_vars_to_rename instead of update_stmt.
4630
4631 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4632
4633         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4634
4635 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4636
4637         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4638         for setting MMX register to 0 rather than mmx.
4639
4640 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4641
4642         PR target/12098
4643         * configure.ac: Move gas check from mips specific case to common case.
4644         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4645         * configure: Regenerate
4646         * doc/install.texi: Update.
4647
4648 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4649
4650         PR target/24284
4651         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4652
4653 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4654
4655         * gcc.c (do_spec_1): Accept numeric characters in file name
4656         suffixes.
4657
4658 2005-10-10  Nick Clifton  <nickc@redhat.com>
4659
4660         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4661         describing the deleted arm_gen_rotated_half_load function.
4662
4663 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4664
4665         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4666         __fpscr_values.
4667
4668 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4669
4670         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4671         gnu_ld assignments.
4672         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4673         (EXTRA_MULTILIB_PARTS): Define.
4674         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4675         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4676         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4677         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4678         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4679         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4680
4681 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4682
4683         PR tree-optimization/24226
4684         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4685         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4686         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4687         Export.
4688
4689 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4690
4691         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4692
4693 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4694
4695         PR target/24136
4696         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4697         Rewrite for no need for the early clobber.
4698
4699 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4700
4701         Merge from csl-arm-branch:
4702         2005-09-07  Paul Brook  <paul@codesourcery.com>
4703         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4704         space to string.
4705
4706         2005-04-30  Paul Brook  <paul@codesourcery.com>
4707         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4708         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4709
4710         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4711         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4712         (arm_override_options): Use TARGET_AAPCS_BASED.
4713         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4714         (PTRDIFF_TYPE): Use int for AAPCS.
4715         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4716         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4717         (DEFAULT_SHORT_ENUMS): Delete.
4718         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4719
4720         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4721         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4722         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4723         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4724
4725         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4726         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4727
4728         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4729         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4730
4731         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4732         * config.gcc (arm*-*-linux-gnueabi): Add it.
4733         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4734         redefining it.
4735         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4736         * config/arm/linux-eabi.h: New file.
4737         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4738         (LINUX_TARET_LINK_SPEC): Likewise.
4739         (LINK_SPEC): Use it.
4740         * config/arm/t-linux-eabi: New file.
4741
4742 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4743
4744         PR other/22202
4745         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4746         spaces.
4747         (PARAM_SMS_DFA_HISTORY): Likewise.
4748
4749 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4750
4751         PR middle-end/23150
4752         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4753         (load_register_parameters): Call it.
4754         (check_sibcall_argument_overlap_1): Likewise.
4755         (store_one_arg): Likewise.
4756
4757 2005-10-07  James E. Wilson  <wilson@specifix.com>
4758
4759         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4760         DImode not VECINT24 for operand 2.
4761
4762         PR target/23644
4763         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4764         -mtune-arch.
4765
4766         PR target/24193
4767         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4768         fr_spill): Use destination_operand for operand 0.
4769
4770 2005-10-07  DJ Delorie  <dj@redhat.com>
4771
4772         * varasm.c (output_constant): Limit error to expanding
4773         conversions.
4774
4775 2005-10-07  Richard Guenther  <rguenther@suse.de>
4776
4777         PR middle-end/24227
4778         * fold-const.c (fold_binary): Fix operand types during folding
4779         of X op (A, Y).  Evaluation order of the side-effects of
4780         X and A are frontend-defined, so ensure we honour that even for
4781         tcc_comparison class operands; eased by removing duplicate code.
4782
4783 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4784
4785         * stor-layout.c (layout_type): Do not allow alignment of array
4786         elements to be greater than their size.
4787
4788 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4789
4790         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4791         host_xmake_file.
4792         (hppa*-*-linux*): Ditto.
4793         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4794         * config/host-hpux.c: New.
4795         * config/x-hpux: New.
4796         * config/pa/x-hpux: Remove.
4797         * config/pa/x-linux: Remove.
4798         * config/pa/pa-host.c: Remove.
4799
4800 2005-10-07  Jeff Law  <law@redhat.com>
4801
4802         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4803         determine whether or not to try and thread outgoing edges.
4804
4805 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4806
4807         * config/rs6000/rs6000.md (eqsi_power): New.
4808         (neg_eq0si): Add TARGET_POWER to final condition.
4809         (neg_eqsi): Same.
4810
4811 2005-10-06  Richard Henderson  <rth@redhat.com>
4812
4813         * config/rs6000/rs6000.c: Revert last change.
4814
4815 2005-10-06  Richard Henderson  <rth@redhat.com>
4816
4817         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4818         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4819
4820 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4821
4822         PR middle-end/22216
4823         PR middle-end/23651
4824         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4825         out return_label and naked_return_label.
4826
4827 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4828
4829         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4830         change.
4831
4832 2005-10-06  Richard Henderson  <rth@redhat.com>
4833
4834         PR tree-opt/22237
4835         * tree-inline.c (declare_return_variable): Handle modify_dest not
4836         being a DECL.
4837
4838 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4839
4840         Fix PR tree-optimization/22488
4841         * tree-ssa-structalias.c (check_for_overlaps): New function.
4842         (create_variable_info_for): Use it.
4843
4844 2005-10-06  Richard Henderson  <rth@redhat.com>
4845
4846         PR debug/24070
4847         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4848         (dwarf2out_start_source_file): Print it.
4849
4850 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4851
4852         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4853
4854 2005-10-06  Richard Henderson  <rth@redhat.com>
4855
4856         PR 23706
4857         * mode-switching.c (optimize_mode_switching): Clear transp bit
4858         for block with incomming abnormal edges.
4859
4860         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4861         (fpscr_set_from_mem): Use them.
4862         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4863         (fpscr postinc splitters): Rewrite as peephole2+split.
4864
4865 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4866
4867         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4868         (eq<mode>_compare): Same.
4869
4870 2005-10-06  Richard Guenther  <rguenther@suse.de>
4871
4872         PR tree-optimization/24238
4873         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4874
4875 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4876
4877         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4878         here.  Use AC_PATH_PROG for environment variables instead of
4879         test -x.
4880         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4881         objdump also.
4882         * configure: Regenerated.
4883
4884 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4885
4886         PR target/23783
4887         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4888         then force it into a register.
4889         (call_value): Likewise.
4890
4891 2005-10-06  Richard Henderson  <rth@redhat.com>
4892
4893         PR 24049
4894         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4895         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4896         under pass_vectorize.
4897
4898 2005-10-05  Devang Patel  <dpatel@apple.com>
4899
4900         PR Debug/23205
4901         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4902         handling constants. Check NAMESPACE_DECL context for constants.
4903
4904 2005-10-05  Eric Christopher  <echristo@apple.com>
4905
4906         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4907
4908 2005-10-05  Richard Henderson  <rth@redhat.com>
4909
4910         PR 23714
4911         * tree-cfg.c (mark_array_ref_addressable_1): New.
4912         (mark_array_ref_addressable): New.
4913         * tree-flow.h (mark_array_ref_addressable): Declare.
4914         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4915
4916 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4917
4918         PR middle-end/20606
4919         PR middle-end/24069
4920         * reload.c (subst_reloads): When adding a REG_LABEL to a
4921         jump instruction, also update JUMP_LABEL.
4922
4923 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4924
4925         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4926         * bb-reorder.c (copy_bb_p): Use it.
4927         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4928
4929 2005-10-05  Richard Henderson  <rth@redhat.com>
4930
4931         PR target/23602
4932         * toplev.c (process_options): Warn about unsupported combinations
4933         of unwind tables and omit-frame-pointer.
4934         * config/i386/i386.c (override_options): Similarly.  Enable
4935         accumulate-outgoing-args if not explicitly disabled.
4936
4937 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4938
4939         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4940         Handle big endian vs. small endian.
4941         (vec_initv2sf): Handle big endian vs. small endian.
4942         (*vec_extractv2sf_1): Ditto.
4943
4944 2005-10-05  Dale Johannesen  <dalej@apple.com>
4945
4946         * convert.c (convert_to_real):  Don't convert
4947         (float)floor(double d) to floorf((float)d).
4948
4949 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4950
4951         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4952
4953 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4954
4955         PR tree-optimization/18587
4956         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4957         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4958         build_vuses): Change to VEC type.
4959         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4960         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4961         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4962         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4963         (get_name_decl): New.  Return DECL_UID of base variable.
4964         (operand_build_cmp): New.  qsort comparison routine.
4965         (operand_build_sort_virtual): New.  Sort virtual build vector.
4966         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4967         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4968         (FINALIZE_BASE): Use get_name_decl.
4969         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4970         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4971         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4972         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4973         direct VEC_* manipulations.
4974         (build_ssa_operands): Call operand_build_sort_virtual.
4975         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4976         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4977         with direct VEC_* manipulations.
4978         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4979         with direct VEC manipulations.
4980
4981 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4982
4983         PR tree-optimization/21419
4984         PR tree-optimization/24146
4985         PR tree-optimization/24151
4986
4987         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4988         (build_asm_expr): Call it if outputs are read-only.
4989         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4990
4991 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4992             Paolo Bonzini  <bonzini@gnu.org>
4993
4994         PR target/23809
4995
4996         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4997         enable the instructions and not just the built-ins.
4998         * doc/invoke.texi (x86 Options): Likewise.
4999
5000 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5001
5002         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5003
5004         * doc/invoke.texi (Option Summary): Correct spelling
5005         of -mmacosx-version-min.
5006
5007 2005-10-04  Devang Patel  <dpatel@apple.com>
5008
5009         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5010         real types.
5011
5012 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5013
5014         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5015         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5016
5017 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5018
5019         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5020         ("TE","tg"): New mode attributes.
5021         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5022         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5023         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5024         dword_mode and one for GPRmode.
5025
5026 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5027
5028         PR preprocessor/13726
5029         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5030         any comments passed in.
5031
5032 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5033
5034         * tree.c (annotate_with_file_line): Fix typo.
5035
5036 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5037
5038         PR ada/19382
5039         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5040         type used to access data in the inlined length == 1 case, use
5041         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5042         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5043
5044 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5045
5046         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5047         TARGET_SSE3 and only for TARGET_80387.
5048         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5049         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5050         Do not depend on TARGET_80387.
5051
5052 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5053
5054         * tree.c (last_annotated_node): Change type to location_t*.
5055         (annotate_with_file_line): Reflect the change of
5056         last_annotated_node type.
5057
5058 2005-10-04  Richard Guenther  <rguenther@suse.de>
5059
5060         PR c/23576
5061         * c-decl.c (grokdeclarator): Don't write to fields
5062         of error_mark_node.
5063
5064 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5065
5066         PR middle-end/23125
5067         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5068         register variables.
5069         * varasm.c (make_decl_rtl): If a register variable does not
5070         have a set user assmbler name, error out.
5071         Decode the asmspec is now name+1 bypassing '*'.
5072
5073 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5074
5075         PR tree-optimization/23049
5076         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5077         of a COND_EXPR is folded before calling fold on the whole rhs of a
5078         conditional assignment.
5079         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5080         document that a COND_EXPR may appear there.
5081
5082 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5083
5084         PR 23445
5085         * tree-vrp.c (extract_range_from_assert): If the new numeric
5086         range created out of the assertion contradicts the existing
5087         numeric range of the ASSERT_EXPR variable, make the new range
5088         varying.
5089
5090 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5091
5092         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5093         from T_REGS to FP register class.
5094
5095 2005-10-03  Richard Henderson  <rth@redhat.com>
5096
5097         PR 24135
5098         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5099         before creating a new one.
5100
5101 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5102
5103         * config/rs6000/t-aix43 (LDFLAGS): New.
5104         * config/rs6000/t-aix52 (LDFLAGS): New.
5105
5106 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5107
5108         * gimplify.c (find_single_pointer_decl_1): New static function.
5109         (find_single_pointer_decl): New static function.
5110         (internal_get_tmp_var): For a formal variable, set restrict base
5111         information if appropriate.
5112         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5113         return it.
5114         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5115         (DECL_GET_RESTRICT_BASE): Define.
5116         (SET_DECL_RESTRICT_BASE): Define.
5117         (decl_restrict_base_lookup): Declare.
5118         (decl_restrict_base_insert): Declare.
5119         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5120         * tree.c (restrict_base_for_decl): New static variable.
5121         (init_ttree): Initialize restrict_base_for_decl.
5122         (copy_node_stat): Copy restrict base information.
5123         (decl_restrict_base_lookup): New function.
5124         (decl_restrict_base_insert): New function.
5125         (print_restrict_base_statistics): New static function.
5126         (dump_tree_statistics): Call print_restrict_base_statistics.
5127
5128 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5129
5130         PR 24142
5131         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5132         case of anti-ranges.
5133
5134 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5135
5136         PR c/18851
5137         * c-typeck.c (tagged_tu_seen): Rename to ...
5138         (tagged_tu_seen_cache): this and add val field.
5139         (comptypes): Move functional to comptypes_internal
5140         and free tagged_tu_seen.
5141         (comptypes_internal): New function and call comptypes_internal
5142         instead of comptypes. Speed up by sibcalling
5143         tagged_types_tu_compatible_p.
5144         (alloc_tagged_tu_seen): New function
5145         (free_all_tagged_tu_seen_up_to): New function.
5146         (tagged_types_tu_compatible_p): Return the val of the seen two
5147         types.
5148         Add that the two types are the same to tagged_tu_seen_base
5149         if they are and call comptypes_internal instead of comptypes.
5150         <case UNION_TYPE>: Speed up common type where the fields are
5151         in the same order.
5152         (function_types_compatible_p): Call comptypes_internal instead of
5153         comptypes.
5154         (type_lists_compatible_p): Likewise.
5155         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5156
5157 2005-10-02  Matthias Klose  <doko@debian.org>
5158
5159         * doc/invoke.texi: Fix typo and speling error.
5160
5161 2005-10-01  Richard Henderson  <rth@redhat.com>
5162
5163         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5164
5165 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5166
5167         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5168         using --start-group and --end-group.
5169
5170 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5171
5172         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5173         FIXME note regarding quirky semantics.
5174
5175 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5176
5177         PR 24141
5178         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5179         non-null range as a last resort.
5180
5181 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5182             Diego Novillo  <dnovillo@redhat.com>
5183
5184         PR 23604
5185         * tree-vrp.c (extract_range_from_assert): For !=
5186         assertions, only build an anti-range if LIMIT is a
5187         single-valued range.
5188
5189 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5190
5191         * arm.md (movqi): On thumb when optimizing, handle loading from
5192         memory by describing this as taking a subreg of a zero-extended load
5193         into an SImode register.
5194         (movhi): Likewise.
5195
5196 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5197
5198         * reload1.c (merge_assigned_reloads): Do not change any
5199         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5200
5201 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5202
5203         * Makefile.in (LIPO_FOR_TARGET): Define.
5204         (STRIP_FOR_TARGET): Define.
5205
5206         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5207         before creating new ones.  Do symlinks before creating the actual
5208         targets.
5209
5210         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5211         to work out which multilibs are actually being built.
5212
5213 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5214
5215         * tree-vect-transform.c, config/ms1/ms1.md,
5216         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5217         Follow spelling conventions.
5218         * doc/invoke.texi, doc/md.texi: Fix typos.
5219
5220 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5221
5222         PR tree-optimization/21430
5223         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5224         use operands, and set stmt pointer if need be.
5225         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5226         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5227         present.
5228
5229 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5230
5231         PR middle-end/24053
5232         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5233
5234 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5235
5236         * optabs.c (expand_binop): Initialize first_pass_p.
5237
5238 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5239
5240         PR middle-end/24109
5241         * c-decl.c (c_write_global_declarations_1): If any
5242         wrapup_global_declaration_2 call returned true, restart the loop.
5243
5244 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5245
5246         Fix PR tree-optimization/24117
5247         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5248         before considering whether to use anyoffset.
5249
5250 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5251
5252         Revert this patch:
5253
5254         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5255
5256         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5257         to order operands.
5258         (swap_commutative_operands_with_target): New.
5259
5260 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5261
5262         PR c/21419
5263         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5264         read-only.
5265
5266 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5267
5268         PR tree-optimization/23911
5269         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5270         and IMAGPART_EXPR too.
5271
5272 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5273
5274         PR 17886
5275         * expmed.c (expand_shift): Move logic to reverse rotation
5276         direction when  rotating by constants ...
5277         * optabs.c (expand_binop): ... here.
5278         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5279         (ix86_rotrdi3): New pattern.
5280         (rotldi3): Handle 32-bit mode.
5281         (ix86_rotldi3): New pattern.
5282
5283 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5284
5285         PR target/24102
5286         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5287         check for numbers that need no bit twiddle.
5288
5289 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5290
5291         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5292         multilib to be built.
5293
5294         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5295         (stage1-start): Delete old libgcc and libunwind before moving
5296         anything into the stage directory.
5297         (stage2-start): Likewise.
5298         (stage3-start): Likewise.
5299         (stage4-start): Likewise.
5300         (stageprofile-start): Likewise.
5301         (stagefeedback-start): Likewise.
5302         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5303         header in tm_file and CPU-specific t-darwin in tmake_file.
5304         (i[34567]86-*-darwin*): Don't change tm_file.
5305         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5306         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5307         shared library stub for target OS version.
5308         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5309         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5310         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5311         (libgcc_s.%.dylib): New.
5312         (LIBGCC): Define.
5313         (install-darwin-libgcc-stubs): New.
5314         (INSTALL_LIBGCC): New append.
5315         * config/i386/darwin-libgcc.10.4.ver: New.
5316         * config/i386/darwin-libgcc.10.5.ver: New.
5317         * config/i386/t-darwin: New.
5318         * config/rs6000/darwin-libgcc.10.4.ver: New.
5319         * config/rs6000/darwin-libgcc.10.5.ver: New.
5320         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5321         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5322
5323 2005-09-28  Paul Brook  <paul@codesourcery.com>
5324
5325         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5326         denormals.
5327
5328 2005-09-28  Richard Guenther  <rguenther@suse.de>
5329
5330         PR tree-optimization/23853
5331         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5332         host_integerp to verify misalignment value.
5333
5334 2005-09-28  Richard Henderson  <rth@redhat.com>
5335
5336         * builtins.c (get_builtin_sync_mode): New.
5337         (expand_builtin_sync_operation): Pass in mode argument.
5338         (expand_builtin_compare_and_swap): Likewise.
5339         (expand_builtin_lock_test_and_set): Likewise.
5340         (expand_builtin_lock_release): Likewise.
5341         (expand_builtin): Update to match.
5342
5343 2005-09-28  Nick Clifton  <nickc@redhat.com>
5344
5345         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5346         formatting.  Add check to PLUS case to ensure that the offset is
5347         within an acceptable range.
5348
5349         * config/v850/v850.md (casesi): Disable the generation of the
5350         switch pattern as it is not being handled properly at the moment.
5351
5352         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5353         for when the high words are identical.
5354
5355 2005-09-27  Richard Henderson  <rth@redhat.com>
5356
5357         * pretty-print.c (pp_base_format): Fix typo for %>.
5358
5359 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5360             Devang Patel  <dpatel@apple.com>
5361
5362         PR tree-optimization/23625
5363         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5364         LABEL_EXPR, assertion check.
5365
5366 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5367
5368         * optabs.c (no_conflict_move_test): Check if a result of a
5369         to-be-moved insn would be clobbered by an originally
5370         preceding insn.
5371
5372 2005-09-27  Jeff Law  <law@redhat.com>
5373
5374         * passes.c (init_optimization_passes): Replace copy propagation
5375         passes immediately after DOM with phi-only copy propagation
5376         pases.  Add phi-only copy propagation pass after first DOM pass.
5377         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5378         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5379         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5380         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5381         to init_copy_prop.  Callers updated.
5382         (do_phi_only_copy_prop): New function.
5383         (pass_phi_only_copy_prop): New pass descriptor.
5384
5385 2005-09-27  Nick Clifton  <nickc@redhat.com>
5386
5387         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5388
5389 2005-09-26  Jason Merrill  <jason@redhat.com>
5390
5391         PR c++/13764
5392         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5393
5394         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5395
5396 2005-09-26  James E Wilson  <wilson@specifix.com>
5397
5398         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5399         copyright.  Add gcc copyright plus libgcc exception.
5400         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5401         copyright.
5402         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5403
5404 2005-09-26  Jeff Law  <law@redhat.com>
5405
5406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5407         about when to iterate.
5408
5409 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5410
5411         PR target/23847
5412         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5413         for __complex__ double in -mcpu=G5 mode.
5414
5415 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5416
5417         PR tree-optimization/23942
5418         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5419         * tree-scalar-evolution.c: Include params.h.
5420         (t_bool): New enum.
5421         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5422         follow_ssa_edge_in_condition_phi_branch,
5423         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5424         Change return type to t_bool.  Use a parameter to limit the size of
5425         trees that are walked before stopping
5426         (analyze_evolution_in_loop): Initialize the limit to 0.
5427         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5428         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5429
5430 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5431
5432         PR middle-end/23831
5433         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5434         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5435
5436 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5437
5438         * combine.c (make_extraction): Check for valid use of subreg.
5439
5440 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5441
5442         PR target/24055
5443         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5444         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5445         ("fist<mode>2_with_temp"): Use only register operands.
5446
5447 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5448
5449         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5450         CALL_INSN_FUNCTION_USAGE.
5451
5452 2005-09-26  Richard Guenther  <rguenther@suse.de>
5453
5454         PR middle-end/15855
5455         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5456         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5457         (ldst_entry): Use the hashtable instead of list-walking.
5458         (find_rtx_in_ldst): Likewise.
5459         (free_ldst_entry): Free the hashtable.
5460         (compute_ld_motion_mems): Create the hashtable.
5461         (trim_ld_motion_mems): Remove entry from hashtable if
5462         removing it from list.
5463         (compute_store_table): Likewise^2.
5464         (store_motion): Free hashtable in case we did not see
5465         any stores.
5466
5467 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5468
5469         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5470         and arg1 if we are passing them to fold_build2.
5471
5472 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5473
5474         PR 23828
5475         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5476         a nested function.
5477
5478 2005-09-25  Richard Henderson  <rth@redhat.com>
5479
5480         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5481         SYMBOL_REF_TLS_MODEL to be correct.
5482
5483 2005-09-24  Richard Henderson  <rth@redhat.com>
5484
5485         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5486         end of function.  Reindent.
5487
5488 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5489
5490         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5491         NEGATE_EXPR/BIT_NOT_EXPR case.
5492
5493 2005-09-24  Richard Henderson  <rth@redhat.com>
5494
5495         * c-common.c (handle_mode_attribute): When not modifying in place,
5496         create subtypes for enumerations.
5497         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5498         * gimplify.c (create_tmp_from_val): Likewise.
5499
5500 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5501
5502         * config/i386/i386.md (*tls_global_dynamic_64,
5503         *tls_local_dynamic_base_64): Add missing mode to call.
5504         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5505
5506 2005-09-24  Jan Hubicka  <jh@suse.cz>
5507
5508         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5509         (cgraph_clone_node): Likewise.
5510         * cgraph.h (cgraph_clone_edge): Update prototype.
5511         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5512         duplicated prototypes; add updating argument.
5513         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5514         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5515         updating profile.
5516         (cgraph_mark_inline_edge): Likewise.
5517         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5518         (cgraph_flatten_node): Likewise.
5519         (cgraph_decide_recursive_inlining): Likewise.
5520         (cgraph_decide_inlining_of_small_function): Likewise.
5521         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5522
5523 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5524             Pete Steinmetz <steinmtz@us.ibm.com>
5525
5526         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5527         (rldic.): Set type to "compare".
5528         (rldicr.): Same.
5529         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5530         mfjmpr for MFCTR/MFLR.
5531         (movdf_hardfloat64): Same.
5532         (movdf_softfloat64): Same.  Correct order of store and move types.
5533         (movti_string): Set type to store_ux/load_ux.
5534         (load_multiple): Set type to load_ux.
5535         (store_multiple): Set type to store_ux.
5536         (movmemsi): Set type to store_ux.
5537         (output_cbranch direct_return): Set type to jmpreg.
5538         (stmw): Set type to store_ux.
5539         (lmw): Set type to load_ux.
5540         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5541         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5542         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5543         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5544         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5545         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5546         (rios1-fpstore): Increase latency to 3.
5547         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5548         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5549
5550 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5551             Andrew Pinski  <pinskia@physics.uc.edu>
5552
5553         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5554         operand2 constraint to "b".
5555         (sync_<fetchop_name>di_internal): Same.
5556         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5557         to "b".
5558         (sync_old_<fetchop_name>di_internal): Same.
5559         (sync_new_<fetchop_name>si_internal): Same.
5560         (sync_new_<fetchop_name>di_internal): Same.
5561
5562 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5563
5564         PR middle-end/23991
5565         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5566         case, define as macros.
5567
5568         PR rtl-optimization/23837
5569         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5570         clobber / clobber match between dest and p->first.
5571
5572         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5573         (no_conflict_move_test): Update comments.
5574
5575 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5576
5577         * doc/install.texi: Update URL for Jacks.
5578         * doc/sourcebuild.texi: Likewise.
5579
5580 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5581
5582         PR target/24007
5583         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5584         registers when choosing register preferences.
5585         (movdf_hardfloat64): Same.
5586
5587 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5588
5589         * expmed.c (expand_shift): Don't use the target of the rotate as
5590         target for the first expanded shift insn.
5591         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5592
5593 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5594
5595         PR tree-optimization/22438
5596         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5597         preserved iv rhs rewriting specially.
5598
5599 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5600
5601         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5602         estimate_only  is true.
5603         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5604         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5605         tree-ssa-structalias.c
5606         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5607         ref_contains_indirect_ref.
5608         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5609
5610 2005-09-21  DJ Delorie  <dj@redhat.com>
5611
5612         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5613         MASK_PTR_A0D0.
5614         (mn10300_return_in_memory): Support variable size types also.
5615         (mn10300_pass_by_reference): Likewise.
5616         (mn10300_function_value): New.
5617         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5618         (FUNCTION_OUTGOING_VALUE): Likewise.
5619         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5620         * doc/invoke.texi: Document it.
5621
5622 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5623
5624         PR target/22585
5625         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5626         force integer op1 into register for XFmode compares.
5627
5628 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5629
5630         PR middle-end/23971
5631         * expmed.c (alg_code): Add alg_impossible.
5632         (alg_hash_entry): Add cost.
5633         (synth_mult): Record alg_impossible in the hash table if
5634         multiplication by a given integer is impossble within the
5635         limit.  Speed up using alg_impossible.
5636
5637 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5638
5639         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5640         argument.  Allow and set any offset if needs_anyoffset is passed
5641         in.
5642         (get_constraint_for): Add argument here too.
5643         Pass it down.
5644         (do_structure_copy): Pass NULL to get_constraint_for.
5645         (handle_ptr_arith): Ditto.
5646         (find_func_aliases): Ditto.
5647
5648 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5649
5650         PR rtl-optimization/23898
5651         * output.h (get_attr_min_length): Declare.
5652         * final.c (get_attr_length_1): New function, broken out of:
5653         (get_attr_length).
5654         (get_attr_min_length): New function.
5655         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5656         (duplicate_computed_gotos): Likewise.
5657         * genattr.c (insn_min_length): Generate declaration.
5658         * genattrtab.c (min_fn, min_attr_value): New functions.
5659         (make_length_attrs): Generate insn_min_length.
5660
5661 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5662
5663         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5664
5665 2005-09-20  Richard Henderson  <rth@redhat.com>
5666
5667         PR tree-optimization/24059
5668         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5669         EXPAND_STACK_PARM.
5670
5671 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5672
5673         * c.opt (fextended-identifiers): New.
5674         * c-opts.c (c_common_handle_option): Handle
5675         -fextended-identifiers.
5676         * doc/cpp.texi: Update documentation of extended identifiers.
5677         * doc/cppopts.texi (-fextended-identifiers): Document.
5678
5679 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5680
5681         PR tree-optimization/23929
5682         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5683         if expr is NULL.
5684
5685         PR tree-optimization/23818
5686         * tree-stdarg.c (execute_optimize_stdarg): Call
5687         calculate_dominance_info.
5688
5689 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5690
5691         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5692         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5693         (compute_overlap_steps_for_affine_1_2): Use
5694         get_number_of_iters_for_loop.
5695         (analyze_subscript_affine_affine): Check whether difference is
5696         zero first.
5697         Use get_number_of_iters_for_loop.
5698         Check whether overlap occurs outside of bounds.
5699         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5700
5701 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5702
5703         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5704         base register if possible.
5705
5706 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5707
5708         PR tree-optimization/18463
5709         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5710         converting it directly is not possible.
5711         (chrec_convert_aggressive): New function.
5712         * tree-chrec.h (chrec_convert_aggressive): Declare.
5713         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5714         Fold chrec conversions aggressively if asked to.
5715         (instantiate_parameters): Modified because of changes in
5716         instantiate_parameters_1.
5717
5718 2005-09-19  Richard Henderson  <rth@redhat.com>
5719
5720         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5721         (reduc_splus_v2df): New.
5722
5723 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5724
5725         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5726         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5727
5728 2005-09-19  Richard Henderson  <rth@redhat.com>
5729
5730         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5731         vcondu<SSEMODE12>.
5732
5733 2005-09-19  Richard Henderson  <rth@redhat.com>
5734
5735         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5736         (ia64_expand_dot_prod_v8qi): New.
5737         * config/ia64/ia64-protos.h: Update.
5738         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5739         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5740         sdot_prodv8qi, sdot_prodv4hi): New.
5741         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5742
5743 2005-09-19  Richard Henderson  <rth@redhat.com>
5744
5745         PR 23941
5746         * real.c (exact_real_truncate): Return false if the format cannot
5747         represent the number as a normal.
5748
5749         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5750         for a memory source.
5751
5752 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5753
5754         * tree-ssa-operands.c (swap_tree_operands): Export.
5755         * tree.h (swap_tree_operands): Declare.
5756         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5757         Call swap_tree_operands.
5758
5759 2005-09-19  Richard Henderson  <rth@redhat.com>
5760
5761         * tree-flow.h (merge_alias_info): Declare.
5762         * tree-ssa-copy.c (merge_alias_info): Export.
5763         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5764         (vect_create_data_ref_ptr): Use create_iv directly.
5765         (vectorizable_load): Use correct types for integer constants.
5766         (vect_generate_tmps_on_preheader): Likewise.
5767         (vect_gen_niters_for_prolog_loop): Likewise.
5768
5769 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5770
5771         PR rtl-optimization/23943
5772         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5773
5774 2005-09-18  Jan Hubicka  <jh@suse.cz>
5775
5776         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5777
5778 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5779
5780         * varasm.c (output_constant): Do not abort on conversions to union
5781         types between different sizes.
5782
5783 2005-09-18  Richard Guenther  <rguenther@suse.de>
5784
5785         PR middle-end/23944
5786         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5787         fallback.
5788
5789 2005-09-18  Paul Brook  <paul@codesourcery.com>
5790
5791         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5792
5793 2005-09-17  Richard Henderson  <rth@redhat.com>
5794
5795         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5796         * tree-ssa-loop.c (pass_vect_dce): Remove.
5797         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5798         of pass_vectorize.
5799
5800 2005-09-17  Richard Henderson  <rth@redhat.com>
5801
5802         * tree-pass.h (pass_vect_dce): Declare.
5803         * passes.c (init_optimization_passes): Add it.
5804         * tree-flow.h (tree_ssa_dce): Declare.
5805         * tree-ssa-dce.c (tree_ssa_dce): Export.
5806         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5807         (gate_tree_vectorize): ... here.
5808         (pass_vect_dce): New.
5809
5810 2005-09-17  Jan Hubicka  <jh@suse.cz>
5811
5812         * except.c (struct eh_status): Turn region_array into vec.
5813         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5814         convert_from_eh_region_ranges, find_exception_handler_labels,
5815         current_function_has_exception_handlers, assign_filter_values,
5816         build_post_landing_pads, dw2_build_landing_pads,
5817         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5818         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5819         foreach_reachable_handler, can_throw_internal_1,
5820         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5821         region_array.
5822         (duplicate_eh_region_1): Update region_array.
5823         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5824
5825 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5826
5827         PR middle-end/22067
5828         * expmed.c (expand_mult): Substitute simple register for op0 when
5829         computing max_cost.
5830
5831 2005-09-17  Richard Henderson  <rth@redhat.com>
5832
5833         * expr.c (emit_move_via_integer): Add force argument, pass it on
5834         to emit_move_change_mode.  Update callers.
5835         (emit_move_complex): Pass true to new force argument.
5836         * function.c (expand_function_end): Move expand_eh_return call
5837         earlier.  Merge sub-word complex values into a pseudo before
5838         copying to the return hard register.
5839
5840 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5841
5842         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5843         between different sizes.
5844
5845 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5846
5847         PR 23903
5848
5849         * passes.c (init_optimization_passes): Register dump files for
5850         IPA passes first.
5851
5852 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5853
5854         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5855         * config/s390/s390.c (s390_overlap_p): New function.
5856         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5857         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5858         condition.
5859
5860 2005-09-16  Richard Guenther  <rguenther@suse.de>
5861
5862         * ipa-pure-const.c (static_execute): Free auxiliar information.
5863         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5864         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5865
5866 2005-09-15  DJ Delorie  <dj@redhat.com>
5867
5868         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5869
5870 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5871
5872         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5873         to order operands.
5874         (swap_commutative_operands_with_target): New.
5875
5876 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5877
5878         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5879         parameter.
5880         Update callers.
5881         (estimate_iters_using_array): New function.
5882         * tree-data-ref.h (estimate_iters_using_array): Prototype
5883         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5884         Use estimate_iters_using_array instead of analyze_array.
5885
5886 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5887
5888         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5889         as addressable.
5890
5891 2005-09-15  Michael Matz  <matz@suse.de>
5892
5893         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5894
5895 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5896
5897         PR tree-optimization/23835
5898         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5899         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5900
5901 2005-09-14  Richard Henderson  <rth@redhat.com>
5902
5903         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5904         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5905
5906 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5907
5908         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5909         in the ARRAY_TYPE case.
5910
5911 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5912
5913         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5914
5915 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5916
5917         PR middle-end/22480
5918         * tree-vect-transform.c (vectorizable_operation): Return false for
5919         scalar shift operations and for vector shift operations with
5920         non-invariant shift arguments.  Use scalar tree operand op1 as
5921         a shift operand when vector shift insn pattern uses scalar shift
5922         operand.
5923         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5924
5925 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5926
5927         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5928         value if it has side-effects.
5929
5930 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5931
5932         PR target/22068
5933         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5934
5935 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5936
5937         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5938         passed as NAME as if it were label at start of function code.
5939
5940 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5941
5942         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5943         the constraints.
5944
5945 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5946
5947         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5948         as early clobber.  Rewrite so the PIC register is not implicitly used.
5949
5950 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5951
5952         * tree.c (annotate_with_file_line): Compare line numbers before
5953         file names.
5954
5955 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5956
5957         PR target/23816
5958         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5959         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5960
5961 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5962
5963         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5964         than a HOST_WIDEST_INT to gen_doloop_begin.
5965
5966 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5967
5968         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5969
5970 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5971
5972         PR tree-optimize/23817
5973         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5974
5975 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5976
5977         PR target/23774
5978         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5979         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5980         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5981         (restore_stack_nonlocal): Likewise.
5982         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5983
5984 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5985
5986         PR g++/7874
5987         * c.opt (ffriend-injection): New C++ option.
5988         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5989         (C++ Dialect Options): Document -ffriend-injection.
5990
5991 2005-09-12  Josh Conner  <jconner@apple.com>
5992
5993         PR middle-end/23237
5994         * ipa-reference.c (static_execute): Don't mark variables in
5995         named sections TREE_READONLY.
5996
5997 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5998
5999         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6000         stack_tie.
6001
6002 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6003
6004         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6005         V_MUST_DEF instead of just the first_use_p.
6006         Don't mark the virtual variables for renaming on the statement which
6007         is being removed.
6008         (pass_dse): Remove TODO_update_ssa.
6009
6010 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6011
6012         PR middle-end/23290
6013         * stor-layout.c (compute_record_mode): For records with a single
6014         field, actually check the field's mode size against the type size.
6015
6016         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6017         registers for TARGET_SHMEDIA.
6018         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6019         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6020         of GENERAL_REGS and FP_REGS.
6021
6022 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6023
6024         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6025
6026 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6027
6028         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6029         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6030         are omitted.  Exclude stack_tie insn too.
6031
6032 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6033
6034         PR rtl-optimization/23098
6035         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6036         0.0f is easy.
6037         * config/rs6000/rs6000.md (movdf splitter): Use
6038         const_double_operand predicate for TARGET_POWERPC64.
6039         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6040         SYMBOL_REF method to ABI_V4.
6041
6042         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6043         replace_equiv_address.
6044         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6045         rs6000_sr_alias_set and MEM_NOTRAP.
6046         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6047
6048 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6049
6050         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6051         handle CALL_EXPR again.
6052
6053 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6054
6055         * arm/predicates.md (alignable_memory_operand): Delete.
6056
6057 2005-09-10  Richard Henderson  <rth@redhat.com>
6058
6059         PR debug/23806
6060         * dbxout.c (dbxout_expand_expr): New.
6061         (dbxout_symbol): Use it.
6062
6063 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6064
6065         * arm.c (arm_gen_rotated_half_load): Delete.
6066         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6067         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6068         (thumb_set_return_address): Likewise.
6069         (thumb_load_double_from_address): Use adjust_address.
6070         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6071         (extendhsisi2_mem, movhi_bytes): Use change_address.
6072         (movhi): Use widen_memory_access.
6073         (reload_out_df): Use replace_equiv_address.
6074         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6075
6076 2005-09-09  Richard Henderson  <rth@redhat.com>
6077
6078         PR debug/20998
6079         * dbxout.c: Include expr.h.
6080         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6081         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6082         * Makefile.in (dbxout.o): Add EXPR_H.
6083
6084 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6085
6086         PR tree-optimization/23509
6087         * tree-cfg.c (replace_uses_by): Use replace_exp.
6088         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6089         pointers have name_mem_tag or type_mem_tag set.
6090
6091 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6092
6093         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6094         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6095         of wrongly accessing operands.
6096
6097 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6098
6099         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6100         * tree-chrec.c: Include tree-scalar-evolution.h.
6101         (chrec_convert): Instantiate the base and step before calling
6102         scev_probably_wraps_p that would fail on parametric evolutions.
6103         Collect all the fails into a single section failed_to_convert,
6104         print a diagnostic, and return chrec_dont_know instead of calling
6105         fold_convert.
6106         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6107         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6108         phi nodes.
6109         (scev_const_prop): Don't replace the definition of a loop closed ssa
6110         phi node by itself, or by another loop closed ssa phi node.
6111         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6112         that base and step are defined.
6113
6114 2005-09-09  Richard Guenther  <rguenther@suse.de>
6115
6116         PR c++/23624
6117         * fold-const.c (fold_ternary): Check truth_value_p before
6118         calling invert_truthvalue.
6119
6120 2005-09-09  Nick Clifton  <nickc@redhat.com>
6121
6122         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6123         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6124         dimension of these arrays.
6125         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6126         these arrays.
6127         * longlong.h: Only provide a prototype for the __clz_tab[] array
6128         if this header has not been included from libgcc2.h.
6129         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6130         defining own types.
6131         Provide prototypes for exported functions.
6132         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6133         libgcc2.c.
6134
6135 2005-09-08  Josh Conner  <jconner@apple.com>
6136
6137         PR c++/21135
6138         PR c++/23180
6139         * expr.c (expand_expr_addr_expr_1): Don't invoke
6140         expand_simple_binop for EXPAND_INITIALIZER.
6141
6142 2005-09-08  Richard Henderson  <rth@redhat.com>
6143
6144         PR debug/23190
6145         * toplev.c (wrapup_global_declaration_1): Split out ...
6146         (wrapup_global_declaration_2): ... from ...
6147         (wrapup_global_declarations): ... here.  Return bool.
6148         (check_global_declaration_1): Split out ...
6149         (check_global_declarations): from here.
6150         (emit_debug_global_declarations): New.
6151         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6152         check_global_declaration_1, emit_debug_global_declarations): Declare.
6153         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6154         of decls.  Call wrapup_global_declaration_1,
6155         wrapup_global_declaration_2, check_global_declaration_1 directly.
6156         (c_write_global_declarations_2): New.
6157         (ext_block): New.
6158         (c_write_global_declarations): Call c_write_global_declarations_2.
6159         * langhooks.c (write_global_declarations): Call
6160         emit_debug_global_declarations.
6161
6162         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6163         remove decls that have DECL_RTL_SET_P.
6164         * passes.c (rest_of_decl_compilation): Invoke
6165         cgraph_varpool_finalize_decl for all but functions.
6166
6167 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6168
6169         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6170         the result of a conversion if the new min and max cannot be compared.
6171
6172 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6173
6174         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6175         (override_options): Setting s390_sr_alias_set removed.
6176         (save_fpr, save_gprs): Set alias set to vararg or frame.
6177         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6178         s390_sr_alias_set with get_frame_alias_set ().
6179         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6180         get_varargs_alias_set ().
6181
6182 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6183
6184         PR objc/20574
6185         PR objc/19324
6186         * c-parser.c (c_parser_objc_method_definition): If the next
6187         token is not "{", error out and don't start the function.
6188
6189 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6190
6191         * tree-vrp.c (extract_range_from_expr): Move the check for non
6192         nullness after the check for gimple invariant.
6193
6194 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6195
6196         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6197
6198 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6199
6200         PR target/23747
6201         * config/m32r.md (movmemsi_internal): Canonicalize order of
6202         operands in PLUS component of template.
6203
6204 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6205
6206         * reload1.c (fixup_eh_region_note): Remove assertion.
6207         (fixup_abnormal_edges): Reverted removal of call to
6208         find_many_sub_basic_blocks made on 2005-08-31.
6209
6210 2005-09-07  Richard Henderson  <rth@redhat.com>
6211
6212         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6213         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6214         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6215         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6216         rearrange for better packing.
6217         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6218         (lookup_cfa_1): Remove inline marker.
6219         (cfa_equal_p): Split out of ...
6220         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6221         (build_cfa_loc): Handle !cfa->indirect.
6222         (frame_pointer_cfa_offset): New.
6223         (dbx_reg_number): Assert register elimination performed; do
6224         leaf register remapping.
6225         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6226         (eliminate_reg_to_offset): New.
6227         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6228         for verifiably local stack frame addresses; re-base to CFA.
6229         (mem_loc_descriptor): Remove can_use_fbreg argument.
6230         (concat_loc_descriptor, loc_descriptor): Likewise.
6231         (containing_function_has_frame_base): Remove.
6232         (rtl_for_decl_location): Don't do register elimination or
6233         leaf register remapping here.
6234         (secname_for_decl): Split out from ..
6235         (add_location_or_const_value_attribute): ... here.
6236         (convert_cfa_to_loc_list): New.
6237         (compute_frame_pointer_to_cfa_displacement): New.
6238         (gen_subprogram_die): Use them.
6239         * tree.h (frame_base_decl): Remove.
6240         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6241         (prologue_stack_adjust): Remove.
6242         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6243         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6244         (set_frame_base_location): Remove.
6245         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6246         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6247         (vt_add_function_parameters): Don't eliminate_regs.
6248         (vt_initialize): Don't create frame_base_decl.
6249
6250 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6251
6252         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6253         version of GNU binutils for 4.x and later.
6254
6255 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6256
6257         * ggc-page.c (ggc_push_context): Remove.
6258         (ggc_pop_context): Likewise.
6259         * ggc.h (ggc_push_context): Remove.
6260         (ggc_pop_context): Likewise.
6261
6262 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6263
6264         PR target/8973
6265         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6266         returning from an interrupt handler.
6267
6268 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6269
6270         PR target/8972
6271         * config/arc/arc.c (output_shift): Add check for loop count when
6272         optimizing.
6273
6274 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6275
6276         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6277         form manually.
6278         (abs_replacement): Likewise.
6279         (pass_phiopt): Remove TODO_update_ssa.
6280
6281 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6282
6283         PR c/23075
6284         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6285         if "return with no value, in function returning non-void" warning
6286         has been issued.
6287         * tree-cfg.c (execute_warn_function_return): Don't look at
6288         RETURN_EXPRs with TREE_NO_WARNING set.
6289
6290         PR target/22362
6291         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6292         for internal functions doesn't use registers used by global registers
6293         variables.  Use fewer register parameters if there are global register
6294         variables.
6295
6296 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6297             Eric Botcazou  <ebotcazou@adacore.com>
6298
6299         PR middle-end/14997
6300         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6301         when we would be extracting outside its bit span (bitpos+bitsize
6302         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6303         Ada unchecked conversions.
6304
6305 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6306
6307         * tree-ssa-pre.c (try_look_through_load): New function.
6308         (compute_avail): Use it to try to look through loads for some
6309         more useful expressions.
6310
6311 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6312
6313         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6314         condition for detecting cases like (a&a) and (a^a).
6315
6316 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6317
6318         * common.opt: Add option ftree-vect-loop-version.
6319         * params.def: Add --param vect-max-version-checks.
6320         * doc/invoke.texi: Document ftree-vect-loop-version and
6321         --param vect-max-version-checks.
6322         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6323         may_misalign_stmts and defines for accessors.
6324         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6325         LOOP_VINFO_MAY_MISALIGN_STMTS.
6326         (destroy_loop_vec_info): VEC_free for
6327         LOOP_VINFO_MAY_MISALIGN_STMTS.
6328         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6329         Update documentation.
6330         (vect_update_misalignment_for_peel): New.
6331         (vect_enhance_data_refs_alignment): Update to choose loop
6332         peeling or loop versioning if appropriate for the (potentially)
6333         unaligned data references in the loop.
6334         (vect_analyze_data_refs_alignment): Remove call to
6335         vect_enhance_data_refs_alignment so the checks can be done
6336         earlier.
6337         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6338         and move up call to vect_analyze_data_refs_alignment.
6339         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6340         (vect_transform_loop): Add call to loop_version.
6341
6342 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6343
6344         PR rtl-optimization/23098
6345         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6346         * simplify-rtx.c (constant_pool_reference_p): New function.
6347         * rtl.h (constant_pool_reference_p): New prototype.
6348         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6349         constant_pool_reference_p in condition and
6350         avoid_constant_pool_reference in preparation statements.
6351
6352 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6353
6354         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6355         STRICT_LOW_PART SETs.
6356
6357 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6358
6359         PR middle-end/21460
6360         * except.c (sjlj_emit_function_enter): Find the function begin
6361         note even when it's not in first basic block.
6362
6363 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6364
6365         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6366         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6367         * aclocal.m4: Regenerate.
6368
6369 2005-09-05  DJ Delorie  <dj@redhat.com>
6370
6371         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6372         of macro.
6373
6374 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6375
6376         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6377         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6378         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6379         Follow spelling conventions.
6380         * doc/invoke.texi: Follow spelling conventions.
6381
6382 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6383
6384         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6385         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6386         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6387
6388 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6389
6390         PR target/23683
6391         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6392         (output_stack_adjust): Use gen_tmp_stack_mem.
6393         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6394         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6395         (sh_get_pr_initial_val): Likewise.
6396         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6397         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6398         * sh.md (divsi_inv_m0): Use gen_const_mem.
6399         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6400         (movdf_i4+1): Use gen_tmp_stack_mem.
6401         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6402         (fpu_switch+2): Likewise.
6403         (movv4sf_i, movv16sf_i): Use adjust_address.
6404         (symGOT_load): Set MEM_NOTRAP_P bit.
6405
6406 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6407
6408         PR target/23721
6409         * pa.c (emit_move_sequence): Fix typo in last change.
6410
6411 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6412
6413         PR rtl-optimization/23454
6414         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6415         is true.
6416
6417 2005-09-03  Richard Henderson  <rth@redhat.com>
6418             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6419
6420         PR middle-end/23671
6421         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6422         gen_rtx_MEM.
6423
6424 2005-09-02  Nicolas Pitre <nico@cam.org>
6425
6426         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6427         to bit_count to 32 bits.
6428
6429 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6430
6431         PR c++/23167
6432         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6433         generating synthetic loads from volatile lvalues.
6434
6435 005-09-02  Nick Clifton  <nickc@redhat.com>
6436
6437         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6438         __ctzhi2, __clzhi2): New functions.
6439
6440 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6441
6442         PR middle-end/23547
6443         * tree-nested.c (struct var_map_elt): Mark with GTY.
6444         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6445         var_map_elt.
6446         (lookup_field_for_decl): Allocate new element in GC memory.
6447         (lookup_tramp_for_decl): Likewise.
6448         (convert_nl_goto_reference): Likewise
6449         (create_nesting_tree): Allocate info in GC memory. Likewise for
6450         info->var_map.
6451         (free_nesting_tree): Free with ggc_free instead of free.
6452         (root): New static variable.
6453         (lower_nested_functions): Remove root as local variable.  And zero out
6454         root at the end of the function.
6455
6456 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6457
6458         PR rtl-optimization/20365
6459         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6460         to short.  New member ix.
6461         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6462         (simplify_plus_minus): Initialize ix members before calling qsort.
6463
6464 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6465
6466         PR tree-optimization/23626
6467         * tree-cfg.c (replace_uses_by): Clean up eh info.
6468
6469 2005-09-01  DJ Delorie  <dj@redhat.com>
6470
6471         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6472         fprintf.
6473
6474 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6475
6476         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6477         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6478         gen_rtx_MEM.
6479
6480 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6481
6482         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6483         do not issue warning for a variable definition following
6484         a declaration.
6485
6486 2005-09-01  Richard Henderson  <rth@redhat.com>
6487
6488         PR 23668
6489         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6490         conversion to CONST_VECTOR.
6491
6492 2005-09-01  Richard Henderson  <rth@redhat.com>
6493
6494         PR 23676
6495         * reload1.c (reload_as_needed): Check !CALL_P before calling
6496         fixup_eh_region_note.
6497         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6498
6499 2005-09-01  DJ Delorie  <dj@redhat.com>
6500
6501         * varasm.c (output_constant): Let the target resolve
6502         conversions of addresses to non-default pointer sizes.
6503
6504 2005-09-01  Nicolas Pitre <nico@cam.org>
6505
6506         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6507         to alow matching ARM pre-indexed addressing mode.
6508         (arm_override_options): Remove now irrelevant comment.
6509
6510 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6511
6512         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6513         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6514         * config/i386/vxworks.h:  Likewise.
6515         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6516         * config/i386/vxworksae.h:  Likewise.
6517
6518 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6519
6520         PR tree-optimization/23410
6521         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6522         sequence is not wrapping during the first step.
6523
6524 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6525
6526         PR debug/7241
6527         * dwarf2out.c (base_type_die): Compare char_type_node with
6528         TYPE_MAIN_VARIANT (type), not type.
6529
6530 2005-09-01  Richard Guenther  <rguenther@suse.de>
6531
6532         PR tree-optimization/15366
6533         * common.opt: Add -finline-functions-called-once.
6534         Put -fearly-inlining in alphabetically ordered place.
6535         * doc/invoke.texi: Document new option.
6536         * ipa-inline.c (cgraph_decide_inlining): Honour
6537         flag_inline_functions_called_once.
6538
6539 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6540
6541         PR rtl-optimization/23478
6542         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6543         (alloc_qty): Initialize it.
6544         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6545         (combine_regs): Combine also n_throwing_calls_crossed fields.
6546         (find_free_reg): Don't attempt to caller-save pseudos crossing
6547         calls that might throw.
6548         * global.c (struct allocno): Add throwing_calls_crossed field.
6549         (global_alloc): Revert 2005-08-22 change.  Initialize
6550         throwing_calls_crossed.
6551         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6552         might throw.
6553
6554 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6555
6556         PR target/23649
6557         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6558         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6559         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6560         (and64_2_operand): Tweak to use predicate.
6561         (and_operand): Adjust for mask_operand changes.
6562         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6563         (print_operand): Likewise.
6564         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6565         (mask64_1or2_operand): Delete.
6566         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6567         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6568         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6569         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6570         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6571         (rotldi3_internal4): Likewise.
6572         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6573         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6574         (ashldi3_internal7): Likewise.
6575         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6576         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6577         (anddi3 split): Don't match mask64_operand.
6578         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6579         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6580         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6581         't' splitter predicate.
6582         (movdi_internal64 + 2): Revert 2005-06-11 change.
6583
6584 2005-08-31  DJ Delorie  <dj@redhat.com>
6585
6586         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6587         (m32c_asm_integer): Add support for 32 bit pointers.
6588
6589 2005-08-31  Richard Henderson  <rth@redhat.com>
6590
6591         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6592         component-like references for setting MEM_NOTRAP_P.
6593
6594         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6595         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6596
6597 2005-08-31  Richard Henderson  <rth@redhat.com>
6598
6599         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6600         into a pseudo before applying gen_lowpart.
6601
6602 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6603
6604         * doc/install.texi (Specific): Update cctools version required
6605         for full functionality.
6606         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6607         linkers as -macosx_version_min.
6608
6609 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6610
6611         PR target/21255
6612         * sh.c (print_operand, %R and %S): Add handling of floating point
6613         registers, memory, constants and invalid operands.
6614
6615 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6616
6617         * ipa-pure-const.c: Change dump name.
6618
6619 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6620
6621         PR target/23570
6622         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6623         to "reg_or_0_operand".
6624         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6625
6626 2005-08-31  Dale Johannesen  <dalej@apple.com>
6627
6628         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6629         loops that count down.
6630
6631 2005-08-31  Richard Henderson  <rth@redhat.com>
6632
6633         PR rtl-opt/23601
6634         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6635         (fixup_eh_region_note): New.
6636         (reload_as_needed): Call it.
6637         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6638         don't call find_many_sub_basic_blocks; call verify_flow_info.
6639         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6640         (keep_stack_depressed): Likewise.
6641         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6642
6643 2005-08-31  Richard Henderson  <rth@redhat.com>
6644
6645         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6646         fp return matching.
6647
6648 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6649
6650         * expr.c (expand_expr_real_1): Compare size of address
6651         mode to target's address mode size in deciding expansion of
6652         the constant address.
6653
6654 2005-08-31  Richard Guenther  <rguenther@suse.de>
6655
6656         PR middle-end/23477
6657         * expr.c (all_zeros_p): New function.
6658         (expand_expr_real_1): Handle the case of an all-zero
6659         non-addressable constructor separately.
6660
6661 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6662
6663         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6664         arguments, adjust all callers.
6665         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6666
6667 2005-08-30  Richard Henderson  <rth@redhat.com>
6668
6669         PR target/23630
6670         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6671         whenever the mode sizes match.
6672
6673 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6674
6675         * calls.c (load_register_parameters): Fix comment typo.
6676         * expr.c (emit_push_insn): Comment formatting.
6677
6678 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6679
6680         * config/i386/x-cygwin (host-cygwin): Change dependency from
6681         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6682
6683 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6684
6685         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6686         parts of 'vals'.
6687
6688 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6689
6690         PR middle-end/23408
6691         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6692         call to ggc_collect.
6693
6694 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6695
6696         PR bootstrap/21268
6697         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6698         beginning.  Remove $(INCLUDES) from all the rules, if following
6699         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6700
6701 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6702
6703         PR middle-end/23484
6704         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6705         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6706         not constant, but maxlen is, don't set len to maxlen, rather
6707         set maxlen to len if len is a constant.
6708
6709 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6710
6711         PR tree-optimization/23475
6712         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6713         and counts.
6714
6715 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6716
6717         Fix PR middle-end/22455
6718
6719         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6720         Checksum only the parts of the tree that exist for the tree code.
6721
6722 2005-08-28  Dale Johannesen  <dalej@apple.com>
6723
6724         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6725
6726 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6727
6728         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6729
6730 2005-08-28  Richard Henderson  <rth@redhat.com>
6731
6732         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6733         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6734         of char_type_node.
6735
6736 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6737
6738         PR ada/23593
6739         * builtins.c (get_memory_rtx): Don't strip nops
6740         in between COMPONENT_REFs.
6741
6742 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6743
6744         PR middle-end/23463
6745         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6746         types.
6747         (gimplify_modify_expr): Check for zero sized types and gimplify the
6748         rhs and lhs as statements.
6749
6750 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6751
6752         PR libgcj/23508
6753         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6754         state for return address column of signal frames.
6755
6756 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6757
6758         PR target/23539
6759         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6760         bytes >= 2 not bytes == 2.
6761         (expand_block_move): Same.
6762
6763 2005-08-27  Richard Guenther  <rguenther@suse.de>
6764
6765         PR target/23575
6766         * config/i386/sse.md (sse2_movsd): Add missing closing
6767         braces.
6768
6769 2005-08-27  Paul Brook  <paul@codesourcery.com>
6770
6771         * genrecog.c (enum decision_type): Add DT_num_insns.
6772         (struct decision_test): Add u.num_insns.
6773         (add_to_sequence): Add DT_num_insns test.
6774         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6775         (write_cond, debug_decision_2): Ditto.
6776         (change_state): Assume peep2_next_insn never fails.
6777         Remove "afterward" argument.
6778         (write afterward, write_tree): Update to match.
6779         * recog.c (peep2_current_count): New variable.
6780         (peep2_next_insn): Check it.
6781         (peephole2_optimize): Set peep2_current_count.
6782         * recog.h (peep2_current_count): Declare.
6783
6784 2005-08-26  Josh Conner  <jconner@apple.com>
6785
6786         PR middle-end/23584
6787         * ipa-pure-const.c (check_tree): Check for volatile-ness
6788         when considering a dereference.
6789
6790 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6791
6792         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6793
6794 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6795
6796         PR rtl-optimization/23561
6797         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6798         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6799         at most LEN bytes long memory fits into the field.
6800         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6801         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6802         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6803
6804 2005-08-26  Richard Henderson  <rth@redhat.com>
6805
6806         PR rtl-opt/23560
6807         * loop.c (biased_biv_may_wrap_p): New.
6808         (maybe_eliminate_biv_1): Use it to suppress non-equality
6809         comparison transformations.  Delete disabled code.
6810
6811 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6812
6813         * combine.c (make_extraction): Avoid reference outside object.
6814
6815 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6816
6817         * stor-layout.c (finalize_type_size): Restore behaviour for
6818         non-aggregate types to the status quo ante of the patch for
6819         pr 23467.  Document why it matters.
6820
6821 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6822
6823         PR c/23506
6824         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6825         array by one element, initialize the BT_LAST element with NULL.
6826
6827 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6828
6829         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6830         optimizing for size.
6831         (plus_eqsi): Same.
6832         (compare_plus_eqsi): Same.
6833         (plus_eqsi_compare): Same.
6834         (neg_eq0<mode>): Same.
6835         (neg_eq<mode>): Same.
6836
6837         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6838         PROCESSOR_POWER4.
6839
6840 2005-08-26  Nick Clifton  <nickc@redhat.com>
6841
6842         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6843         TARGET_EP is not defined.
6844         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6845         TARGET_EP is enabled.
6846         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6847         * config/v850/v850.md (save_all_interrupt): Only use the EP
6848         register if TARGET_EP is defined.
6849         (restore_all_interrupt): Likewise.
6850         * config/v850/lib1funcs.asm: Update functions so that the EP
6851         register is only used if __EP__ is defined.
6852
6853 2005-08-26  David Ung  <davidu@mips.com>
6854
6855         * config/mips/mips.c (mips_expand_prologue): Handle case when
6856         generating for MIPS16 and the outgoing argument area is more than
6857         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6858         add instruction.
6859
6860 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6861
6862         * config/crx/crx.md: Make doloop_end pattern usage controllable
6863         via mloop-nesting=<max-nesting> command line switch. Make sure
6864         the combiner cannot use doloop_end_<mode> in an illegal way.
6865         * config/crx/crx.c: Use regs up to r6 for argument passing.
6866         Refine crx_address_cost (non cst4 displacements are expensive).
6867         * config/crx/crx.opt: Add switch for mloop-nesting=.
6868
6869 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6870
6871         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6872         (UNSPEC_MVST): New constant.
6873
6874 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6875
6876         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6877         Reject operands containing eliminable registers.
6878         * testsuite/gcc.dg/20050825-1.c: New testcase.
6879
6880 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6881             Jan Hubicka  <jh@suse.cz>
6882
6883         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6884
6885 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6886
6887         PR tree-optimization/23546
6888         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6889         and REAL_CST nodes.
6890
6891 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6892
6893         * params.def (PARAM_MIN_SPEC_PROB): New.
6894         * sched-rgn.c (MIN_PROBABILITY): Delete.
6895         (compute_trg_info): Convert to PARAM_VALUE.
6896         * doc/invoke.texi (param): Document min-spec-prob.
6897
6898 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6899
6900         * config/darwin.h: define __PIC__
6901         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6902         TARGET_OS_CPP_BUILTINS macro.
6903
6904 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6905
6906         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6907         yesterday.
6908
6909 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6910
6911         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6912         to duplicate_block.
6913         * cfghooks.c (duplicate_block): Added position where to place
6914         new block as argument.
6915         * cfghooks.h (duplicate_block): Declaration changed.
6916         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6917         duplicate_block.
6918         * cfglayout.h (copy_bbs): Declaration changed.
6919         * cfgloop.h (loop_version): Declaration changed.
6920         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6921         position to copy_bbs.
6922         (loop_version): Pass position to duplicate_loop_to_header_edge.
6923         Add place_after argument and position new blocks according to
6924         it.
6925         * modulo-sched.c (sms_schedule): Pass place_after argument
6926         to loop_version.
6927         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6928         * tree-cfg.c (split_edge_bb_loc): New function.
6929         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6930         to determine position of new blocks.
6931         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6932         to loop_version.
6933         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6934         argument to duplicate_block.
6935         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6936         Pass position to copy_bbs.
6937
6938 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6939
6940         * fold-const.c (ptr_difference_const): Use
6941         cst_and_fits_in_hwi instead of host_integerp.
6942
6943 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6944
6945         * config/darwin.c (gen_pic_offset): New.
6946         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6947         Use it.
6948
6949 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6950
6951         PR tree-optimization/23486
6952         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6953
6954 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6955
6956         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6957         remove use_collect2.
6958         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6959
6960         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6961         configuration files to override the default value.
6962
6963         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6964         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6965         * config/vx-common.h:  New file, split out from...
6966         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6967         * config/vxworksae.h:  New file, for VxWorks AE.
6968         * config/vxworks.opt:  New file.
6969         * config/vxlib.c:  Update for VxWorks 6.
6970
6971         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6972         other MULTILIB_* variables appropriately.
6973         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6974         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6975         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6976         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6977
6978 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6979
6980         PR target/20799
6981         * config/darwin.c (machopic_select_section): Remove the hack to
6982         mark "::operator new" and "::operator delete" for coalescing
6983         even though they are not weak.
6984
6985 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6986
6987         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6988         * configure: Regenerate.
6989
6990 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6991
6992         PR middle-end/23517
6993         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6994         between vectors.
6995         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6996         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6997         Likewise.
6998
6999 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7000
7001         * config/rs6000/predicates.md (equality_operator): New.
7002         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7003         comparison with a large constant.
7004
7005 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7006
7007         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7008
7009 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7010
7011         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7012         registers is even, and we have a hardware double precision fp,
7013         align the buffer.
7014         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7015         size of current argument when checking if argument was passed in
7016         registers.
7017
7018         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7019
7020         PR middle-end/23467
7021         * stor-layout.c (finalize_type_size): Dont override
7022         existing alignment with a smaller alignment from the mode.
7023
7024 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7025
7026         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7027         * lambda.h (lambda_vector_lexico_pos): ... here.
7028         * tree-data-ref.c (build_classic_dist_vector): Return false when
7029         the distance vector is lexicographically negative.
7030
7031 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7032
7033         PR tree-optimization/23511
7034         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7035         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7036
7037 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7038
7039         PR tree-optimization/22043
7040         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7041         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7042         If ALLOW_FLEXARR, handle types ending with flexible array member.
7043         Pass false as second argument to recursive count_type_elements calls.
7044         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7045         argument to count_type_elements call.
7046         * tree-sra.c (decide_block_copy): Likewise.
7047         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7048         for a constant-sized object, set cleared as well.  Pass true as
7049         second argument to count_type_elements call.
7050
7051 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7052
7053         PR target/21571
7054         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7055         from legitimate_small_data_p, and make global.  Update use.
7056         Remove forward declaration.
7057         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7058         Declare.
7059         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7060
7061 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7062
7063         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7064         of scratch intermediates.
7065         (eq<mode>_compare): Same.
7066         (neg_eq0<mode>): New.
7067         (neg_eq<mode>): Convert to define_insn_and_split.
7068
7069 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7070
7071         PR target/23070
7072         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7073         stdarg functions, set/clear the fp marker even when no variable
7074         args are passed.
7075         * config/rs6000/sysv4.opt (mprototype): Describe.
7076
7077 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7078
7079         PR rtl-optimization/23478
7080         * regs.h (reg_info): Add throw_calls_crossed.
7081         (REG_N_THROWING_CALLS_CROSSED): Define.
7082         * flow.c (allocate_reg_life_data): Initialize
7083         REG_N_THROWING_CALLS_CROSSED.
7084         (propagate_one_insn, attempt_auto_inc): Update
7085         REG_N_THROWING_CALLS_CROSSED.
7086         * global.c (global_alloc): Don't allocate pseudos across
7087         calls that may throw.
7088
7089 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7090
7091         PR c/18715
7092         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7093         value is inbetween the range if we did not find an exact match.
7094
7095 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7096
7097         * doc/invoke.texi (Option Summary): Add ms1 options.
7098         * doc/extend.texi: Document interrupt handler attribute for ms1.
7099         * doc/md.texi: Document ms1 constraints.
7100         * config.gcc: Add ms1-*-elf.
7101         * config/ms1/ms1.h: New.
7102         * config/ms1/ms1.c: New.
7103         * config/ms1/ms1.md: New.
7104         * config/ms1/ms1-protos.h: New.
7105         * config/ms1/ABI.txt: New.
7106         * config/ms1/crti.asm: New.
7107         * config/ms1/crtn.asm: New.
7108         * config/ms1/lib2extra-funcs.c: New.
7109         * config/ms1/t-ms1: New.
7110         * config/ms1/ms1.opt: New.
7111
7112 2005-08-22 Ira Rosen <irar@il.ibm.com>
7113
7114         * config/rs6000/altivec.md (xorv4sf3): New.
7115         (negv4sf2, neg<mode>2): Likewise.
7116
7117 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7118
7119         PR target/23485
7120         * config/ia64/ia64.md (divsi3): Check divide by zero.
7121         (udivsi3): Likewise.
7122         (divdi3): Likewise.
7123         (udivdi3): Likewise.
7124
7125 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7126
7127         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7128         up to elem_bitsize bits, not max_bitsize.
7129
7130 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7131
7132         PR tree-optimization/23433
7133         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7134         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7135
7136 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7137
7138         PR tree-optimization/23434
7139         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7140         the iteration bound is not an INTEGER_CST.
7141
7142 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7143
7144         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7145         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7146         NULL if need_epilog_adjust is false.
7147         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7148         Case 3 always peels first itration, not just for PLUS case, and no need
7149         to use scalar_initial_def here. Create an epilog adjustment only if
7150         scalar_initial_def is not NULL.
7151
7152         (vectorizable_reduction): Remove assert.
7153
7154 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7155
7156         PR target/23485
7157         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7158         (__moddi3): Likewise.
7159         (__udivdi3): Likewise.
7160         (__umoddi3): Likewise.
7161         (__divsi3): Likewise.
7162         (__modsi3): Likewise.
7163         (__udivsi3): Likewise.
7164         (__umodsi3): Likewise.
7165
7166 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7167
7168         * tree-pass.h (TDF_GRAPH): Define.
7169         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7170         * passes.c (finish_optimization_passes): Only call
7171         finish_graph_dump_file if TDF_GRAPH is set.
7172         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7173         NULL.  Set TDF_GRAPH bit.
7174         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7175
7176 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7177
7178         * arm.h (arm_stack_offsets): Add locals_base field.
7179         * arm.c (arm_get_frame_offsets): Compute it.
7180         (thumb_compute_initial_elimination offset): Make the Thumb frame
7181         pointer point to the base of the local variables.
7182         (thumb_expand_prologue): Update accordingly.
7183         (thumb_expand_epilogue): Likewise.
7184
7185         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7186         mode of clobbered scratch to DImode.  Handle a case that's known to
7187         need this.
7188
7189 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7190
7191         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7192         (gt0<mode>_compare): Delete.
7193         (neg_gt0<mode>): Delete.
7194
7195 2005-08-19  Eric Christopher  <echristo@apple.com>
7196
7197         * optabs.h: Change CTI_ to COI_.
7198         * optabs.c: Ditto.
7199
7200 2005-08-19  James E Wilson  <wilson@specifix.com>
7201
7202         * builtins.c (expand_builtin_return_addr): Set
7203         current_function_accesses_prior_frames when count != 0.  Use
7204         frame_pointer_rtx when count == 0.
7205         * function.h (struct function): Add accesses_prior_frames field.
7206         (current_function_accesses_prior_frames): Define.
7207         * reload1.c (init_elim_table): Check
7208         current_function_accesses_prior_frames.
7209         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7210
7211 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7212
7213         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7214         indicator.  Return true if the flowgraph changed during
7215         cleanup.
7216
7217 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7218
7219         PR 23476
7220         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7221         conditional expression before testing its value.
7222
7223 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7224
7225         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7226
7227 2005-08-19  Devang Patel  <dpatel@apple.com>
7228
7229         PR tree-optimization/23048
7230         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7231         third parameter. Check whether latch is dominated by exit
7232         block or not.
7233         (if_convertible_loop_p): Supply exit block itself to
7234         if_convertible_bb_p.
7235
7236 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7237
7238         PR target/23473
7239         * arm.md (arm_load_pic_register): Change argument to the mask of
7240         saved registers.  Call thumb_find_work_register if we need a
7241         scratch register on Thumb.
7242         (arm_expand_prologue): Pass empty register set to
7243         arm_load_pic_register.
7244         (thumb_expand_prologue): Pass live_regs_mask directly to
7245         arm_load_pic_register.
7246         * arm-protos.h (arm_load_pic_register): Update prototype.
7247
7248 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7249
7250         * sh.c (find_sole_member): New function.
7251         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7252         if the record's alignment is larger than the size of its only member.
7253
7254 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7255
7256         PR target/23436
7257         * arm.c (thumb_legitimize_reload_address): New function.
7258         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7259         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7260
7261 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7262
7263         * config/crx/crx.c: Implement crx_decompose_address. Reject
7264         symbolic displacements since CRX register relative adressing
7265         mode can't handle unsigned 32-bit values as displacements.
7266         * config/crx/crx.h: Simplify definitions, remove redundant
7267         parenthesis and obsolete macros.
7268         * config/crx/crx.opt: Add new switch for debugging addresses.
7269         * config/crx/crx-protos.h: Add new declarations for above.
7270
7271 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7272
7273         PR middle-end/20624
7274         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7275         looking past it.
7276
7277 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7278
7279         * collect2.c (dup2): Delete.
7280         * configure.ac: Don't check for dup2.
7281
7282         * config.in, configure: Regenerate.
7283
7284 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7285
7286         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7287         record with the type of its only member.
7288
7289 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7290
7291         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7292         define_insn_and_split.
7293         (plus_ltu<mode>_compare): Same.
7294         (gtu<mode>_compare): Same.
7295         (plus_gtu<mode>_compare): Same.
7296
7297 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7298
7299         PR tree-optimization/22228
7300         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7301         todo_flags_start.
7302         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7303         are recorded in vect_vnames_to_rename for renaming.
7304         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7305         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7306         in vect_vnames_to_rename.
7307         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7308         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7309
7310 2005-08-18  Jan Hubicka  <jh@suse.cz>
7311
7312         PR c++/22034
7313         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7314         info only for local statics, not for member variables.
7315
7316 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7317
7318         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7319
7320 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7321
7322         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7323
7324 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7325
7326         PR middle-end/16045
7327         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7328
7329 2005-08-17  James E Wilson  <wilson@specifix.com>
7330
7331         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7332         array size check.
7333
7334 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7335
7336         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7337         (leu<mode>_compare): Same.
7338         (plus_leu<mode>): Same.
7339         (neg_leu<mode>): Same.
7340         (and_neg_leu<mode): Same.
7341         (ltu<mode>_compare): Same.
7342         (plus_ltu<mode>): Same.
7343         (geu<mode>): Same.
7344         (geu<mode>_compare): Same.
7345         (plus_geu<mode>): Same.
7346         (neg_geu<mode>): Same.
7347         (and_neg_geu<mode>): Same.
7348         (plus_gt<mode>): Same.
7349         (gtu<mode>_compare): Same.
7350         (plus_gtu<mode>): Same.
7351
7352 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7353
7354         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7355         Move call_table_data to end.  Delete spurious .text.
7356         (callt_save_all_interrupt): Fix comment typo.
7357
7358 2005-08-17  James E Wilson  <wilson@specifix.com>
7359             Kevin Winchester  <winchester@amirix.com>
7360
7361         PR target/21684
7362         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7363
7364 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7365
7366         PR target/23268
7367         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7368         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7369
7370 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7371
7372         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7373         record with the type of its only member if the modes don't match.
7374
7375         * varasm.c (decode_reg_name): Skip empty additional register names.
7376
7377 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7378
7379         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7380         lsm_tmp_name_length): New.
7381         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7382         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7383
7384 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7385             Andreas Krebbel  <krebbel1@de.ibm.com>
7386
7387         * config.gcc: Added z9-109 switch.
7388         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7389         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7390         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7391         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7392         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7393         for "z9_109" cpu attribute.
7394         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7395         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7396         (s390_handle_arch_option): Added z9-109 switch.
7397         (override_options): Set respective cost function for z9-109.
7398         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7399         (legitimate_reload_constant_p): Accept extended immediates.
7400         (print_operand): Three new output modifiers added: k, m and o.
7401         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7402         (s390_output_mi_thunk): Use extended immediate when possible.
7403         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7404         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7405         (CONSTRAINT_LEN): Added length of O constraint.
7406         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7407         * config/s390/s390.md ("cpu"): New value z9_109 added.
7408         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7409         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7410         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7411         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7412         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7413         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7414         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7415         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7416         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7417         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7418         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7419         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7420         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7421         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7422         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7423         immediates.
7424         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7425         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7426         insns for TARGET_EXTIMM.
7427
7428 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7429
7430         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7431
7432 2005-08-17  Nick Clifton  <nickc@redhat.com>
7433
7434         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7435         Call default_encode_section_info.
7436
7437 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7438
7439         PR tree-optimization/21574
7440         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7441         constant, return CONSTANT.
7442         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7443         (ccp_fold, visit_assignment): Likewise.
7444         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7445
7446 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7447
7448         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7449         fold_buildN instead of buildN then fold_initializer or fold.
7450         (build_unary_op): Likewise.
7451         (build_binary_op): Likewise.
7452         * fold-const.c (fold_initializer): Remove.
7453         (fold_build1_initializer): New function.
7454         (fold_build2_initializer): New function.
7455         (fold_build3_initializer): New function.
7456         * tree.h (fold_initializer): Remove.
7457         (fold_build1_initializer): New function.
7458         (fold_build2_initializer): New function.
7459         (fold_build3_initializer): New function.
7460
7461 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7462
7463         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7464         (try_move_mult_to_index): Call fold_build2 instead of build2.
7465         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7466         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7467         fold_binary_to_constant.
7468         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7469         fold (build.
7470         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7471         check if A == gcd (A, B).  Remove TYPE argument.
7472         (analyze_offset) Use fold_build2 instead of fold (build.
7473         (create_data_ref): Likewise.
7474         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7475         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7476         then fold.
7477
7478 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7479
7480         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7481         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7482
7483 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7484
7485         PR tree-opt/23402
7486         * gimplify.c (zero_sized_type): New function.
7487         (gimplify_modify_expr_rhs): If we have a zero sized type,
7488         replace the statement with an empty statement.
7489
7490 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7491
7492         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7493         fxsave.
7494
7495 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7496
7497         * doc/tm.texi (Label Output): Correct typo.
7498
7499 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7500
7501         PR target/23376
7502         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7503         force_operand will work later on using have_insn_for.
7504
7505 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7506
7507         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7508
7509 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7510
7511         PR c++/23337
7512         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7513         vector type, don't try to construct it element by element.  Add an
7514         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7515
7516 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7517
7518         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7519
7520 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7521
7522         * doc/invoke.texi (Precompiled Headers): Document some more options
7523         which are known to be safe.
7524
7525 2005-08-16  James E Wilson  <wilson@specifix.com>
7526
7527         PR tree-optimization/21105
7528         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7529         TREE_OVERFLOW check.
7530
7531 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7532
7533         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7534         (neg_ltu<mode>): Same.
7535         (gtu<mode>): Same.
7536         (neg_gtu<mode>): Same.
7537
7538 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7539
7540         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7541         (fold_builtin_isdigit): Use fold_buildN.
7542         (build_function_call_expr): Likewise.
7543         * c-typeck.c (c_finish_loop): Likewise.
7544
7545 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7546             Richard Shann <rshann@superh.com>
7547
7548         PR middle-end/20396:
7549         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7550
7551 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7552
7553         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7554
7555 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7556
7557         PR target/23355
7558         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7559         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7560         must be saved.
7561
7562 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7563
7564         PR middle-end/23369
7565         * fold-const.c (build_range_check): Disable optimization for function
7566         pointer expressions on targets that require function pointer
7567         canonicalization.
7568
7569 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7570
7571         * simplify-rtx.c (simplify_const_relational_operation): When
7572         extracting arguments of a COMPARE, recompute the mode as well.
7573
7574 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7575
7576         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7577
7578 2005-08-15  DJ Delorie  <dj@redhat.com>
7579
7580         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7581         the stack.
7582         (movsi_splittable): Allow, but split, moves to the stack.
7583         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7584         stack.
7585
7586 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7587
7588         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7589         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7590         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7591
7592         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7593         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7594         Delete HOST_PTR_PRINTF.
7595
7596         * configure, config.in: Regenerate.
7597
7598 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7599
7600         * config/rs6000/rs6000.md (QHSI): New mode macro.
7601         (wd): Extend mode attr for QImode and HImode
7602         (dbits): New mode attr.
7603         (zero_extend<mode>di2): Convert to mode macro.
7604
7605 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7606
7607         PR target/21841
7608         * doc/invoke.texi (-mgnu-ld): Update description.
7609         (-mhp-ld): Ditto.
7610
7611 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7612
7613         PR 23391
7614         * Makefile.in (tree-chrec.o): Depends on real.h.
7615         * tree-chrec.c: Include real.h.
7616         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7617         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7618         * tree-scalar-evolution.c (add_to_evolution_1,
7619         interpret_rhs_modify_expr): Ditto.
7620
7621 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7622
7623         PR 23386
7624         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7625         step is negative compute the estimation from init downwards to zero.
7626
7627 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7628
7629         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7630
7631 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7632
7633         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7634         constraint.
7635         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7636         Accept double-word constants that can be split.
7637         * config/s390/s390.md ("movti"): Use 'P' constraint.
7638         ("*movdi_31", "*movdf_31"): Likewise.
7639
7640 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7641
7642         Fix PR tree-optimization/22615
7643
7644         * tree-ssa-structalias.c (solution_set_add): Handle
7645         first_vi_for_offset returning NULL.
7646         (do_da_constraint): Ditto.
7647         (do_sd_constraint): Ditto.
7648         (do_ds_constraint): Ditto
7649         (find_func_aliases): Ditto.
7650         (build_constraint_graph): RHS is allowed be ANYTHING.
7651         (first_vi_for_offset): Return NULL if we couldn't find anything at
7652         the offset.
7653
7654 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7655
7656         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7657         over memory as first operand.
7658
7659 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7660
7661         PR target/23360
7662         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7663         available for setting it.
7664
7665 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7666
7667         PR tree-optimization/23320
7668         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7669         data-refs' types instead of base object nullness. Add check for
7670         pointer type data-refs before first location comparison. Remove
7671         assert.
7672
7673 2005-08-14  Andreas Schwab  <schwab@suse.de>
7674
7675         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7676
7677 2005-08-13  James E Wilson  <wilson@specifix.com>
7678
7679         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7680         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7681         -fstack-protector-all, --param ssp-buffer-size): Document.
7682         (-Wvariadic-macros): Alphabetize.
7683         (-fsched-stalled-insns-dep): Add missing 'f'.
7684
7685         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7686         macros.
7687
7688 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7689
7690         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7691         or indirect address operand.
7692         (EXTRA_ADDRESS_CONSTRAINT): New.
7693         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7694
7695 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7696
7697         PR tree-optimization/22236
7698         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7699         successors and predecessors.
7700         * tree-chrec.c (chrec_convert): Before converting, check that
7701         sequences don't wrap.
7702         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7703         (analyze_array): Extern.
7704         (find_data_references_in_loop): Remove call to
7705         compute_estimated_nb_iterations.
7706         * tree-data-ref.h (analyze_array): Declared.
7707         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7708         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7709         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7710         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7711         condition.
7712         * tree-ssa-loop-ivcanon.c: Fix documentation.
7713         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7714         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7715         (infer_loop_bounds_from_undefined): New.
7716         (estimate_numbers_of_iterations_loop): Use
7717         infer_loop_bounds_from_undefined.
7718         (used_in_pointer_arithmetic_p): New.
7719         (scev_probably_wraps_p): Pass an extra parameter.  Call
7720         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7721         (convert_step): Fix documentation.
7722         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7723         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7724         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7725         scev_probably_wraps_p.
7726
7727 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7728
7729         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7730         (s390_register_info): Ignore clobbered_regs information for fixed
7731         registers, and only fixed registers.
7732         (s390_init_frame_layout): Remove redundant call.
7733
7734 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7735
7736         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7737         description of -Wold-style-casts.
7738
7739 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7740             Jakub Jelinek  <jakub@redhat.com>
7741
7742         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7743         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7744         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7745         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7746         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7747         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7748         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7749         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7750         ("stack_protect_set", "stack_protect_test"): New expanders.
7751         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7752         "stack_protect_testdi"): New insn definitions.
7753
7754 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7755
7756         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7757
7758 2005-08-12  Paul Brook  <paul@codesourcery.com>
7759
7760         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7761
7762 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7763
7764         * config/s390/predicates.md (setmem_operand): New predicate.
7765         (shift_count_operand): Accept ANDs with special constants as
7766         operand.
7767         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7768         with special constants.
7769         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7770         shift_count_operand with setmem_operand.
7771
7772 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7773
7774         * config/s390/s390.c (s390_extract_part, s390_single_part):
7775         Type cast added.
7776         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7777         (s390_output_mi_thunk): Don't use lg on 31 bit.
7778         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7779         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7780
7781 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7782
7783         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7784         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7785         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7786         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7787         with one of the new macros.
7788
7789 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7790
7791         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7792         Don't set save_return_addr_p.
7793         (s390_register_info): Make clobbered_regs not depending on
7794         save_return_addr_p.
7795
7796 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7797
7798         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7799         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7800
7801 2005-08-11  James E. Wilson  <wilson@specifix.com>
7802
7803         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7804
7805 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7806
7807         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7808         locations gathered by var-tracking in single entry loc_list
7809         over loc_descriptor_from_tree.
7810
7811         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7812         pass it down to loc_descriptor.
7813         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7814         (containing_function_has_frame_base): Move earlier in the file.
7815         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7816         instead of always assuming fbreg can't be used.
7817
7818 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7819
7820         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7821         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7822         Accept address wrapped in AND for Altivec.
7823         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7824         Strip AND wrapping offset address for Altivec.
7825
7826 2005-08-11  Richard Henderson  <rth@redhat.com>
7827
7828         PR middle-end/23312
7829         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7830         before using TYPE_IS_SIZETYPE.
7831
7832 2005-08-11  Richard Henderson  <rth@redhat.com>
7833
7834         PR target/22225
7835         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7836         insn types not present on ev4.
7837         (alphaev5_insn_pipe): Similarly.
7838
7839 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7840
7841         PR target/23250
7842         * arm.c (arm_override_options): If the user has selected callee-super-
7843         interworking, then enable normal interworking.
7844
7845 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7846
7847         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7848         redefinition.
7849
7850 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7851
7852         * doc/rtl.texi: Fix two typos.
7853
7854 2005-08-11  Richard Guenther  <rguenther@suse.de>
7855
7856         PR target/23289
7857         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7858         cases where we call to/from functions returning void.
7859
7860 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7861
7862         PR c++/23225
7863         * tree.c (build_pointer_type_for_mode): Robustify.
7864
7865 2005-08-10  James E Wilson  <wilson@specifix.com>
7866
7867         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7868         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7869
7870         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7871         "cum->".
7872
7873 2005-08-10  Eric Christopher  <echristo@apple.com>
7874
7875         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7876         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7877         V2DFmode.
7878
7879 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7880
7881         PR target/21887
7882         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7883         for the high part when generating dynamic-no-pic code.
7884
7885 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7886
7887         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7888         (x86_64-*-linux*): Likewise.
7889
7890         * config/i386/crtfastmath.c: New file.
7891         * config/i386/t-crtfm: Likewise.
7892
7893         * config/i386/linux.h (ENDFILE_SPEC): New.
7894         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7895
7896         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7897         crtfastmath.o.
7898
7899 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7900
7901         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7902         (vec_shl, vec_shr): Document new operations.
7903         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7904
7905 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7906
7907         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7908         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7909         change predicate to indexed_or_indirect_address.
7910
7911 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7912
7913         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7914         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7915         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7916         and __aeabi_uwrite8.
7917         * config/arm/unaligned-funcs.c: New file.
7918         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7919
7920 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7921
7922         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7923         Add dump.
7924         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7925         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7926         Add dump.
7927         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7928         * final.c (pass_shorten_branches): Add dump.
7929         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7930         (pass_life): Rename dump.
7931         (rest_of_handle_flow2): Remove initial verify_flow_info.
7932         * function.c (pass_instantiate_virtual_regs): Add dump.
7933         * integrate.c (pass_initial_value_sets): Add dump.
7934         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7935         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7936         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7937         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7938         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7939         gate_rtl_unrool_and_peel_loops): New.
7940         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7941         rtl_doloop): Do not look at flags.
7942         * mode-switching.c (pass_mode_switching): Add dump.
7943         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7944         pass_split_before_regstack): Add dump.
7945         * regmove.c (pass_stack_adjustments): Add dump.
7946         * tree-optimize.c (pass_fixup_cfg): Add dump.
7947
7948 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7949
7950         PR 23309
7951         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7952         deciding which instruction sequence to use.
7953
7954 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7955
7956         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7957         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7958
7959 2005-08-09  Richard Guenther  <rguenther@suse.de>
7960
7961         * c-common.c (builtin_function_2): Remove.
7962         (def_builtin_1): New function.
7963         (c_common_nodes_and_builtins): Use def_builtin_1 to
7964         build builtin functions.
7965
7966 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7967
7968         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7969         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7970         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7971         Visual DSP.
7972
7973 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7974
7975         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7976         fold_binary instead of fold_build2 since we don't care about the
7977         resulting tree.
7978         (loop_niter_by_eval): Likewise.
7979         (compare_trees): Likewise.
7980         (proved_non_wrapping_p): Likewise.
7981
7982 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7983
7984         PR c/23161
7985         PR c/23165
7986         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7987         if the if is really empty.
7988
7989 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7990
7991         PR tree-optimization/23234
7992         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7993         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7994         argument of the new enum.
7995         (execute_cse_reciprocals): Add reciprocals for function arguments
7996         on the unique successor edge of the entry block.  Update other calls
7997         to execute_cse_reciprocals_1.
7998
7999 2005-08-08  Richard Henderson  <rth@redhat.com>
8000
8001         PR 22439
8002         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8003
8004 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8005
8006         * expr.c (write_complex_part): Return after handling MEM.
8007
8008 2005-08-08  Josh Conner  <jconner@apple.com>
8009
8010         PR rtl-optimization/23241
8011         * combine.c (simplify_comparison): Fix error in determining
8012         whether to lift a subreg from comparison.
8013
8014 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8015
8016         PR target/18506
8017         * config/rs6000/altivec.md (vec_init<mode>): New.
8018         (vec_set<mode>): New.
8019         (vec_extract<mode>): New.
8020         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8021         (rs6000_expand_vector_set): New.
8022         (rs6000_expand_vector_extract): New.
8023         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8024         for Altivec modes before reload.
8025         (altivec_expand_vec_init_builtin): New.
8026         (get_element_number): New.
8027         (altivec_expand_vec_set_builtin): New.
8028         (altivec_expand_vec_ext_builtin): New.
8029         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8030         builtins.
8031         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8032         builtins.
8033         * config/rs6000/rs6000.h (rs6000_builtins): Add
8034         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8035         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8036         * config/rs6000/rs6000-protos.h: Declare new functions.
8037
8038 2005-08-08  Jan Hubicka  <jh@suse.cz>
8039
8040         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8041         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8042         * i386.md (movdi*): Use pic_32bit_operand.
8043         * predicates.md (pic_32bit_operand): New.
8044
8045 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8046
8047         PR c++/21166
8048         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8049
8050 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8051
8052         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8053         (test_for_singularity): Use fold_build2.
8054
8055 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8056
8057         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8058
8059 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8060
8061         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8062         (COMMON_ASM_OP) Define.
8063         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8064         (ix86_encode_section_info): Likewise.
8065         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8066         SUBTARGET_ENCODE_SECTION_INFO.
8067
8068 2005-08-06  Richard Henderson  <rth@redhat.com>
8069
8070         PR 21894
8071         * tree-nested.c (convert_local_reference): Save and restore val_only
8072         around component_ref and friends.  Clear walk_subtrees by default.
8073
8074 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8075
8076         PR 21366
8077         * gcc.c (process_command): Check the argument to -b has a dash.
8078         * doc/invoke.texi: Update -b and -V docs.
8079
8080 2005-08-06  James E Wilson  <wilson@specifix.com>
8081
8082         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8083
8084 2005-08-06  Michael Matz  <matz@suse.de>
8085
8086         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8087         member only if only one insn is associated with the value.
8088
8089 2005-08-06  Nick Clifton  <nickc@redhat.com>
8090
8091         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8092         New define.
8093         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8094         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8095         Check symbol flags instead of symbol name mangling.
8096         (xstormy16_asm_output_aligned_common): Likewise.  Also
8097         simplify code since the bss100_section cass is the only case
8098         where the below100 code will be triggered.
8099         (xstormy16_encode_section_info): Encode below100 attribute
8100         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8101         the name.
8102         (xstormy16_strip_name_encoding): Delete - this function is no
8103         longer needed.
8104         (TARGET_STRIP_NAME_ENCODING): Undefine.
8105         * config/stormy16/stormy16-protos.h: Delete prototype for
8106         xstormy16_strip_name_encoding.
8107
8108 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8109
8110         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8111         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8112         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8113         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8114         config/alpha/predicates.md, config/arc/arc.h,
8115         config/arm/arm.h, config/arm/ieee754-df.S,
8116         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8117         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8118         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8119         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8120         config/m68hc11/m68hc11.h, config/mips/mips.c,
8121         config/mips/mips.h, config/mips/openbsd.h,
8122         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8123         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8124         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8125         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8126         config/sparc/linux.h, config/sparc/linux64.h,
8127         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8128         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8129         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8130         typos.  Follow spelling conventions.
8131
8132 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8133
8134         PR c/23113
8135         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8136         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8137         specially.  Check for side effects only for COND_EXPR.
8138         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8139         return with TREE_NO_WARNING.
8140
8141 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8142
8143         PR rtl-optimization/23233
8144         * loop.c (combine_movables): Require the modes to be the same.
8145         (move_movables): Remove handling of cases where the replacement
8146         had a different mode to the original.
8147
8148 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8149
8150         PR tree-optimization/23128
8151         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8152         subtraction wrap, and set TREE_OVERFLOW if they do.
8153
8154 2005-08-05  Richard Henderson  <rth@redhat.com>
8155
8156         PR 21728
8157         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8158         FORCED_LABEL labels.
8159
8160 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8161
8162         PR middle-end/23135
8163         * reload.c (find_reloads_subreg_address): Pass down TYPE
8164         unchanged.  Change all callers except find_reloads_toplev.
8165
8166 2005-08-05  Michael Matz  <matz@suse.de>
8167
8168         * genattrtab.c (current_alternative_string): Remove.
8169         (SIMPLIFY_ALTERNATIVE): Ditto.
8170         (attr_alt_bit_p): Ditto.
8171         (alternative_name): Make const char *.
8172         (evaluate_eq_attr): Remove use of above things.
8173         (simplify_test_exp): Ditto.
8174         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8175         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8176
8177 2005-08-04  James E Wilson  <wilson@specifix.com>
8178
8179         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8180         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8181         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8182         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8183         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8184
8185 2005-08-04  Richard Henderson  <rth@redhat.com>
8186
8187         PR 21529
8188         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8189         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8190         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8191         if we'd have to instantiate too many members.
8192
8193 2005-08-04  Richard Henderson  <rth@redhat.com>
8194
8195         PR 21291
8196         * tree-outof-ssa.c (coalesce_asm_operands): New.
8197         (coalesce_ssa_name): Use it.  Split out ...
8198         (coalesce_phi_operands, coalesce_result_decls): ... these.
8199
8200 2005-08-04  Paul Brook  <paul@codesourcery.com>
8201
8202         * read-rtl.c (read_quoted_string): Break if EOF.
8203
8204 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8205
8206         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8207         (fold_build2): Likewise.
8208         (fold_build3): Likewise.
8209         (fold_build1_stat): New function prototype.
8210         (fold_build2_stat): Likewise.
8211         (fold_build3_stat): Likewise.
8212         * fold-const.c (fold_build1): Rename to ..
8213         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8214         through to build1_stat.
8215         (fold_build2): Rename to ..
8216         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8217         through to build2_stat.
8218         (fold_build3): Rename to ..
8219         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8220         through to build3_stat.
8221
8222 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8223             Ian Lance Taylor  <ian@airs.com>
8224
8225         * function.c (assign_stack_local_1): Do not correct stack slot
8226         address if allocation size is smaller than mode size.
8227
8228 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8229
8230         PR 22037
8231         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8232         (tree_merge_blocks): Propagate anything allowed by
8233         may_propagate_copy.
8234         Clarify documentation.
8235         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8236         SSA form, schedule an update if necessary.
8237
8238 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8239
8240         * doc/install.texi (Binaries): Remove broken link to
8241         Sinix/Reliant Unix binaries.
8242
8243 2005-08-03  Richard Henderson  <rth@redhat.com>
8244
8245         PR 23221
8246         * function.c (stack_protect_epilogue): Export.
8247         * tree.h (stack_protect_epilogue): Declare.
8248         * calls.c (expand_call): Call it.
8249
8250 2005-08-03  Eric Christopher  <echristo@apple.com>
8251
8252         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8253         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8254         spec.
8255
8256 2005-08-04  Jan Hubicka  <jh@suse.cz>
8257
8258         * profile.c (branch_prob): Split edges with goto locus on them
8259         to get proper line counts.
8260         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8261
8262 2005-08-03  Paul Brook  <paul@codesourcery.com>
8263
8264         * function.c (assign_parms): Round current_function_args_size
8265         to PARM_BOUNDARY, not STACK_BOUNDARY.
8266
8267 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8268
8269         * config/i386/i386.c (x86_elf_aligned_common)
8270         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8271
8272 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8273
8274         PR tree-optimization/23157
8275         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8276         before emitting them.
8277
8278 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8279
8280         PR tree-optimization/19899
8281         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8282         * tree-scalar-evolution.c: Include real.h.
8283         (add_to_evolution): Build constant -1 of correct type.
8284
8285 2005-08-03  Jan Hubicka  <jh@suse.cz>
8286
8287         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8288         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8289         profile updating for complette unrolling.
8290         * loop-unroll.c (peel_loop_completely): Use it.
8291         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8292         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8293         loops.
8294
8295 2005-08-03  Paul Brook  <paul@codesourcery.com>
8296
8297         * combine.c (can_change_dest_mode): New function.
8298         (try_combine, simplify_set): Use it.
8299
8300 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8301
8302         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8303         TFmode to BLKmode.
8304
8305 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8306
8307         * doc/install.texi (Specific): Adjust link to openavr.org.
8308         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8309         (Binaries): Adjust HP-UX Porting Center link.
8310         (Binaries): Adjust Free Software Foundation ordering link.
8311
8312 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8313
8314         * convert.c (convert_to_integer): Use fold_build1 instead of
8315         build1 when converting an integer to an integer.
8316
8317 2005-08-02  Richard Henderson  <rth@redhat.com>
8318
8319         * combine.c (combine_instructions): Don't use reg_equal/equiv
8320         results if the mode doesn't match.
8321
8322 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8323
8324         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8325         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8326
8327 2005-08-02  Richard Henderson  <rth@redhat.com>
8328
8329         PR 23196
8330         * explow.c (memory_address): Remove special-case for
8331         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8332
8333 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8334
8335         PR 23164
8336         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8337         number of calls to cleanup_tree_cfg_1.
8338
8339 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8340
8341         * doc/invoke.texi: document file extensions .F90 and .F95
8342
8343 2005-08-02  Richard Guenther  <rguenther@suse.de>
8344
8345         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8346         positive if its first argument is positive.
8347
8348 2005-08-02  Richard Guenther  <rguenther@suse.de>
8349
8350         PR tree-optimization/23177
8351         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8352         on TMR_TAG.
8353
8354 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8355
8356         PR tree-optimization/23129
8357         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8358         varying for divisions with anti-ranges.
8359
8360 2005-08-02  Jan Hubicka  <jh@suse.cz>
8361
8362         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8363         * tree-ssa-threadupdate.c (thread_block): Add it here.
8364
8365 2005-08-01  James E Wilson  <wilson@specifix.com>
8366
8367         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8368         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8369         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8370         New.
8371         * config/mips/predicates.md (const_call_insn_operand): Add check for
8372         SYMBOL_REF_LONG_CALL_P.
8373         * doc/extend.texi (long_call): Document the new attribute.
8374
8375 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8376             Richard Henderson  <rth@redhat.com>
8377
8378         * Makefile.in (RTL_BASE_H): Add real.h.
8379         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8380         instead of memcpy.
8381         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8382         directly.
8383         * rtl.c (rtl_check_failed_code_mode): New.
8384         * rtl.h (struct rtx_def): Add u.rv.
8385         (XCMWINT, XCNMPRV): New.
8386         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8387         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8388
8389 2005-08-01  Richard Henderson  <rth@redhat.com>
8390
8391         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8392         with auto-inc codes.
8393
8394         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8395
8396 2005-08-01  Jan Hubicka  <jh@suse.cz>
8397
8398         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8399         * i386.c: Include dwarf2.h
8400         (asm_preferred_eh_data_format): New.
8401         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8402
8403 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8404
8405         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8406         randomize_va_space for virtual address randomization control.
8407
8408 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8409
8410         * common.opt (flag_ipa_cp): Put in right place to maintain
8411         alphabetic sort.
8412
8413 2005-08-01  Jan Hubicka  <jh@suse.cz>
8414
8415         * profile.c (compute_value_histograms): Fix thinko.
8416         * value-prof.c: Include toplev.h
8417         (check_counter): New function.
8418         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8419         tree_mod_subtract_transform): Add sanity check.
8420
8421 2005-08-01  Richard Guenther  <rguenther@suse.de>
8422
8423         PR tree-optimization/23133
8424         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8425         current functions parameter decls to find defs to cse
8426         reciprocals of.
8427
8428 2005-08-01  Richard Guenther  <rguenther@suse.de>
8429
8430         PR tree-optimization/23109
8431         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8432         If trapping math is in effect, use post-dominator information
8433         to check if we'd in any case reach a trapping point before
8434         doing the reciprocal insertion.
8435         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8436         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8437         expressions are invariant only if trapping math is not in effect.
8438
8439 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8440
8441         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8442         cgraph_function_versioning): New declarations.
8443         * cgraphunit.c: Add include to ipa-prop.h.
8444         (update_call_expr, cgraph_copy_node_for_versioning,
8445         cgraph_function_versioning): New functions.
8446         * integrate.c (copy_decl_for_inlining): Remove.
8447         * ipa-prop.h (ipa_replace_map): New struct.
8448         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8449         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8450         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8451         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8452         ipcp_iterate_stage, ipcp_method_scale_print,
8453         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8454         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8455         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8456         ipcp_update_bb_counts, ipcp_update_profiling,
8457         ipcp_update_edges_counts): New functions.
8458         (ipcp_method_cval_init): Remove restriction regarding local methods.
8459         (ipcp_init_stage): Add ipcp_method_compute_scale.
8460         (ipcp_insert_stage): Add versioning.
8461         (ipcp_structures_print): Add ipcp_method_scale_print.
8462         (ipcp_driver): Dump profiling info.
8463         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8464         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8465         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8466         (struct inline_data): Add versioning_p, ipa_info, new fields.
8467         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8468         declare_return_variable): Replace calls to copy_decl_for_inlining with
8469         copy_decl_for_dup.
8470         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8471         versioning support.
8472         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8473         Add argument VERSIONING.
8474         (copy_arguments_for_versioning, copy_static_chain,
8475         function_versionable_p, tree_versionable_function_p,
8476         tree_function_versioning, replace_ref_tree): New functions.
8477         * tree-inline.h: Include varray.h.
8478         (tree_versionable_function_p,  tree_function_versioning,
8479         tree copy_decl_for_dup): New declarations.
8480
8481 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8482
8483         * ipa-cp.c: New file. Contains IPCP specific functionality.
8484         * ipa-prop.h: New file. Contains structures/definitions that can be
8485         used by several interprocedural data flow optimizations (and also IPCP).
8486         * ipa-prop.c: New file.
8487         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8488         * common.opt: Add ipa-cp flag.
8489         * timevar.def: Add IPCP optimization.
8490         * tree-optimize.c (init_tree_optimization_passes): Schedule
8491         pass_ipa_cp.
8492         * tree-pass.h (pass_ipa_cp): Declare.
8493
8494 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8495
8496         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8497         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8498         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8499         config/i386/i386.c, config/mips/mips.h,
8500         config/rs6000/rs6000.h, config/sh/sh.c,
8501         config/stormy16/stormy16.c: Fix comment typos.
8502
8503 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8504
8505         PR c/22311
8506         * c-typeck.c (build_binary_op): Use common_type wrapper on
8507         shortened types.
8508         (common_type): Update comment.
8509
8510 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8511
8512         PR target/23095
8513         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8514         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8515         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8516
8517 2005-07-31  Jan Hubicka  <jh@suse.cz>
8518
8519         * pretty-print.h (pp_widest_integer): New macro.
8520         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8521         counts.
8522
8523 2005-07-31  Jan Hubicka  <jh@suse.cz>
8524
8525         * output.h (enum section_category): Export from varasm.c
8526         (categorize_decl_for_section): Likewise.
8527         * varasm.c (enum section_category): Kill.
8528         (categorize_decl_for_section): Make global.
8529         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8530         Declare.
8531         * i386.c (ix86_section_threshold): New static variable.
8532         (ix86_in_large_data_p, ix86_encode_section_info,
8533         x86_64_elf_unique_section,
8534         x86_64_elf_select_section): New functions.
8535         (TARGET_ENCODE_SECTION_INFO): Define
8536         (override_options): Enable medium model for PIC.
8537         (ix86_expand_prologue): Expand gen_set_got_rex64.
8538         (legitimate_constant_p): Handle new UNSPECs.
8539         (legitimate_pic_address_disp_p): Likewise.
8540         (legitimize_pic_address): Lower MEDIUM model addressing.
8541         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8542         (enum cmodel): Add MEDIUM_PIC.
8543         (SYMBOL_REF_FAR_ADDR_P): New macro.
8544         (SYMBOL_FLAG_FAR_ADDR): New flag.
8545         * i386.md (movdi): Support medium model.
8546         (set_got_rex64): New pattern.
8547         * i386.opt (mlarge-data-threshold): New flag.
8548         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8549         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8550         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8551         TARGET_ASM_UNIQUE_SECTION): New.
8552
8553         * invoke.texi (-mlarge_data_threshold): Document
8554
8555 2005-07-31  Jan Hubicka  <jh@suse.cz>
8556
8557         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8558         (coalesce_vars): Likewise.
8559         * tree-ssa-live.c (coalesce_cost): New.
8560         (build_tree_conflict_graph): Use coalesce_cost.
8561         * tree-ssa-live.h (coalesce_cost): Declare.
8562
8563 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8564
8565         * arm.md (all peepholes for post-increment operations): Delete.
8566         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8567         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8568         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8569         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8570         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8571
8572 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8573
8574         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8575         non-integral types.
8576
8577 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8578
8579         PR target/22582
8580         * doc/invoke.texi: Document -rdynamic.
8581
8582 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8583
8584         PR c/23143
8585         * c-parser.c (c_parser_parms_list_declarator): Call
8586         mark_forward_parm_decls.
8587         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8588         decls with visibility structure.
8589
8590 2005-07-30  Paul Brook  <paul@codesourcery.com>
8591
8592         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8593
8594 2005-07-30  Paul Brook  <paul@codesourcery.com>
8595
8596         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8597         prototype.
8598         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8599         value for mode.
8600         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8601
8602 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8603
8604         PR c/529
8605         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8606         nested function declarators.
8607         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8608         (grokparms): Call warn_if_shadowing for parameters used within the
8609         parameter list.
8610         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8611         not used within the parameter list.
8612         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8613
8614 2005-07-30  Jan Hubicka  <jh@suse.cz>
8615
8616         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8617         * i386.c (ix86_fixup_binary_operands): Likewise.
8618         (ix86_expand_unary_operator): Likewise.
8619         (ix86_expand_fp_absneg_operator): Likewise.
8620         * optabs.c (expand_vec_cond_expr): Validate dest.
8621
8622 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8623
8624         PR c/21720
8625         * real.c (real_from_string): Also set last bit if there is a
8626         nonzero hex digit beyond GCC's internal precision after ".".
8627
8628 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8629
8630         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8631         define_constants.  Change duplicate values to unassigned numbers.
8632         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8633         (*altivec_vspltsf): New.
8634         (altivec_vperm_v4sf): Delete.
8635         (altivec_vperm_<mode>): Use mode macro V.
8636         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8637         (altivec_predicate_v4sf): Delete.
8638         (altivec_predicate_<mode>): Use mode macro V.
8639         (*altivec_lvesfx): New.
8640         (*altivec_stvesfx): New.
8641         (vec_realign_load_v4sf): Delete.
8642         (vec_realign_load_<mode>): Use mode macro V.
8643         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8644         UNSPECV_SET_VRSAVE.
8645
8646 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8647
8648         PR bootstrap/23131
8649         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8650         string.
8651         * configure: Regenerated.
8652
8653 2005-07-29  Paul Brook  <paul@codesourcery.com>
8654
8655         * doc/install.texi: Add link to GFortran binaries wiki page.
8656
8657 2005-07-29  David Ung  <davidu@mips.com>
8658
8659         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8660         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8661         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8662         * config/mips/mips.md (cpu): Add 5kf name.
8663         (includes): Includes 5k.md.
8664         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8665         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8666         -march flag.
8667
8668 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8669
8670         PR 22550
8671         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8672         (cleanup_tree_cfg): ... here.
8673         Call cleanup_tree_cfg_1 until there are no more cleanups to
8674         do.
8675
8676 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8677
8678         * tree-vrp.c (compare_range_with_value): Return true or false
8679         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8680         EQ_EXPR respectively.
8681
8682 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8683
8684         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8685         Fix comment typos.
8686
8687 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8688
8689         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8690         (tree_ssa_dominator_optimize): Increment it.
8691         (dump_dominator_optimization_stats): Print it.
8692
8693 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8694             Steven Bosscher  <stevenb@suse.de>
8695
8696         PR rtl-optimization/23117
8697         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8698         when head == tail.  Tidy comment.
8699
8700 2005-07-28  Richard Henderson  <rth@redhat.com>
8701
8702         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8703         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8704         * jump.c (rtx_renumbered_equal_p): Likewise.
8705         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8706         CONST_INT and CONST_DOUBLE.
8707         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8708         * reload.c (operands_match_p): Special case CONST_INT and
8709         CONST_DOUBLE; check mode earlier.
8710
8711 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8712
8713         PR c/22240
8714         * c-typeck.c (convert_for_assignment): Do not check
8715         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8716
8717 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8718
8719         PR c/22192
8720         * c-typeck.c (composite_type): Prefer constant size arrays to
8721         VLAs.
8722
8723 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8724
8725         PR c/21720
8726         * real.c (real_from_string): Set last bit if there is a nonzero
8727         hex digit beyond GCC's internal precision.
8728
8729 2005-07-28  Richard Henderson  <rth@redhat.com>
8730
8731         PR rtl-opt/22619
8732         * cfgcleanup.c (try_forward_edges): Watch out for end of
8733         insn chain.
8734
8735 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8736
8737         PR c/23106
8738         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8739
8740 2005-07-28  Jan Hubicka  <jh@suse.cz>
8741
8742         * Makefile.in (rtl-profile.o): Kill all traces of it.
8743         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8744         * coverage.h (rtl_coverage_counter_ref): Kill.
8745         * opts.c (flag_speculative_prefetching_set): Kill.
8746         (flag_loop_optimize_set): New.
8747         (common_handle_option): Disable loop optimizer when profiling;
8748         do not handle speculative prefetching.
8749         * passes.c (init_optimization_passes): Replace pass_profiling combo
8750         by branch_prob pass.
8751         * profile.c (compute_value_histograms): Update for simplified value
8752         profiles.
8753         (rtl_register_profile_hooks): Kill.
8754         (pass_profiling): Kill.
8755         (rest_of_handle_branch_prob): Do not profile.
8756         * toplev.c (process_options): Remove speculative prefetching.
8757         * toplev.h (flag_tree_based_profiling): Kill.
8758         * tree-profile.c (prepare_instrumented_value,
8759         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8760         tree_gen_one_value_profiler, do_tree_profiling): Update for
8761         simplified datastructures.
8762         * value-prof.c: Add comment that speculative prefetching was dropped;
8763         update rest of file for simplified datastructures.
8764         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8765         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8766         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8767         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8768         rtl_mod_subtract, gen_speculative_prefetch,
8769         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8770         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8771         (gate_handle_value_profile_transformations,
8772         rest_of_handle_value_profile_transformations,
8773         pass_value_profile_transformations): Kill.
8774         * value-prof.h (histogram_value_t): Remove IL based unions.
8775         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8776         rtl_profile_hooks): Remove hooks.
8777
8778         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8779
8780         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8781         (cgraph_clone_node): Likewise.
8782         * cgraph.h (cgraph_clone_edge): Update prototype.
8783         (cgraph_clone_node): Likewise.
8784         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8785         cgraph_clone_node.
8786         (lookup_recursive_calls): Consider profile.
8787         (cgraph_decide_recursive_inlining): Fix updating; use new
8788         probability argument; use profile.
8789         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8790         * tree-inline.c (copy_bb): Update clal of clone_edge.
8791         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8792
8793         * invoke.texi (min-inline-recursive-probability): Document.
8794
8795 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8796
8797         * doc/install.texi (Configuration): Update Valgrind homepage.
8798
8799 2005-07-28  Richard Henderson  <rth@redhat.com>
8800
8801         PR middle-end/21362
8802         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8803         labels we want to delete.
8804         (cfg_layout_merge_blocks): Likewise.
8805
8806 2005-07-28  Richard Henderson  <rth@redhat.com>
8807
8808         PR target/17692
8809         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8810         when expanding to nothing.
8811
8812 2005-07-28  Josh Conner  <jconner@apple.com>
8813
8814         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8815         (cgraph_decide_inlining_of_small_functions): Likewise.
8816
8817 2005-07-28  Josh Conner  <jconner@apple.com>
8818
8819         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8820         direction of badness if negative.
8821         (cgraph_default_inline_p): Add reason to parameters, and assign it
8822         a value.
8823         (cgraph_decide_inlining_of_small_functions): New parameter in call
8824         to cgraph_default_inline_p.
8825         (cgraph_decide_inlining_incrementally): Likewise.
8826         * cgraphunit.c (decide_is_function_needed): Likewise.
8827         * cgraph.h (cgraph_default_inline_p): Likewise.
8828
8829 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8830
8831         * builtins.c: Fix comment typo(s).
8832         * genautomata.c: Likewise.
8833         * gimplify.c: Likewise.
8834         * tree-dfa.c: Likewise.
8835         * tree-flow-inline.h: Likewise.
8836         * tree-into-ssa.c: Likewise.
8837         * tree-ssa-alias.c: Likewise.
8838         * tree-ssa-ccp.c: Likewise.
8839         * tree-ssa-copy.c: Likewise.
8840         * tree-ssa-dce.c: Likewise.
8841         * tree-ssa-dom.c: Likewise.
8842         * tree-ssa-operands.c: Likewise.
8843         * tree-tailcall.c: Likewise.
8844         * tree-vectorizer.c: Likewise.
8845         * tree-vrp.c: Likewise.
8846         * tree.c: Likewise.
8847
8848 2005-07-28  Jeff Law  <law@redhat.com>
8849
8850         * tree-vrp.c (test_for_singularity): Extracted from  ...
8851         (simplify_cond_using_ranges): Attempt to simplify a relational
8852         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8853
8854 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8855
8856         PR tree-optimization/22506
8857         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8858         phis whose argument is constant.
8859
8860 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8861
8862         PR rtl-optimization/18992
8863         Back out this patch:
8864           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8865           PR optimization/12142
8866           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8867           uses of the register in the SET_SRC.  Remove unnecessary argument.
8868
8869         Replace it with this:
8870         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8871         if flag_non_call_exceptions is set and the insn may trap, pass
8872         pc_rtx as dest for recursion.
8873         In SET_SRC part of SET case, if dest is already set, pass it down
8874         unchanged.
8875
8876 2005-07-28  Jan Hubicka  <jh@suse.cz>
8877
8878         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8879         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8880         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8881         roundoff errors.
8882         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8883         profile when available.
8884
8885 2005-07-28  Jan Beulich <jbeulich@novell.com>
8886
8887         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8888         (ia64_print_operand): Describe and handle 'X'.
8889         (ia64_register_move_cost): Also handle FP_REGS.
8890         (ia64_preferred_reload_class): Likewise.
8891         (ia64_secondary_reload_class): Likewise.
8892         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8893         it. Also check for ITANIUM_CLASS_FLDP.
8894         * config/ia64/ia64.h (FP_REGNO_P): New.
8895         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8896         (reg_class): Add FP_REGS.
8897         (REG_CLASS_NAMES): Adjust for it.
8898         (REG_CLASS_CONTENTS): Likewise.
8899         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8900         (REG_CLASS_FROM_LETTER): Handle 'x'.
8901         (CLASS_MAX_NREGS): Handle FP_REGS.
8902         (MEMORY_MOVE_COST): Likewise.
8903         * config/ia64/ia64.md (itanium_class): Add fldp.
8904         (type): Handle fldp.
8905         (movti_internal): More allowable operand combinations. Use ldfp8 when
8906         splitting unnecessary. Remove predicable attribute. Adjust
8907         itanium_class attribute.
8908         (smuldi3_highpart): Remove outdated comment.
8909         (mulditi3, umulditi3, rotlti3): New expanders.
8910         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8911         (absti2): Disabled new insn for future reference.
8912         Respective new splitters.
8913         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8914         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8915         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8916
8917 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8918
8919         PR rtl-optimization/23047
8920         * simplify-rtx.c (simplify_const_relational_operation): Respect
8921         flag_wrapv for comparisons with ABS.
8922
8923 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8924
8925         PR tree-optimization/22493
8926         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8927         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8928
8929 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8930
8931         * config/frv/frv.opt (moptimize-membar): New.
8932
8933         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8934
8935         * config/frv/frv.h: Remove machine_function definition.
8936
8937         * config/frv/frv.c (struct frv_io): New.
8938         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8939         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8940         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8941         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8942         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8943         (frv_reorg): Call frv_optimize_membar when appropriate.
8944         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8945         (frv_expand_builtin): Adjust calls accordingly.
8946         (frv_io_address_cookie): New function.
8947         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8948         load or store rather than a special insn.  Add ccnstant address and
8949         io-type operands to the membar.
8950         (frv_ifcvt_modify_tests): Unsign regno.
8951         (frv_ifcvt_modify_tests): Same.
8952
8953         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8954         UNSPEC_OPTIONAL_MEMBAR constant.
8955         (builtin_read_<mode>): Delete.
8956         (builtin_write_<mode>): Delete.
8957         ("optional_membar_<mode>"): Add operand.
8958
8959         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8960         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8961         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8962         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8963         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8964         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8965         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8966         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8967         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8968
8969 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8970
8971         * df.c (df_uses_record): Handle SCRATCH.
8972
8973 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8974
8975         PR debug/20161
8976         * passes.c (rest_of_decl_compilation): If decl is a type and
8977         we have encountered errors, don't emit debug information.
8978
8979 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8980
8981         * params.def: Fixed comment.
8982
8983 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8984
8985         PR target/19885
8986         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8987         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8988         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8989
8990 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8991
8992         PR c++/22003
8993         * varasm.c (assemble_start_function): Don't do anything that may
8994         require a CFG if the current function is a thunk.
8995
8996 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8997
8998         * doc/install.texi (Prerequisites): Mention that perl is needed
8999         to do export control in libstdc++ targetting Darwin.
9000
9001 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9002
9003         PR rtl-optimization/17808
9004         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9005         (sched_insns_conditions_mutex_p): Split out from...
9006         (add_dependence): ...here.  But don't call it from here.
9007         (add_dependence_list): Check sched_insns_conditions_mutex_p
9008         before calling add_dependence.
9009         (add_dependence_list_and_free): Likewise.
9010         (fixup_sched_groups): Likewise.
9011         (sched_analyze_1): Likewise.
9012         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9013         (sched_analyze): Likewise.
9014         (sched_analyze_insn): Likewise.
9015         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9016         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9017         dependencies on all COND_EXEC insns to jumps ending basic blocks
9018         when doing intrablock scheduling.
9019         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9020
9021 2005-07-27  Jeff Law  <law@redhat.com>
9022
9023         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9024         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9025         equivalency sets, correctly handle the case were vr0 has an
9026         equivalency set, but vr1 does not.
9027
9028 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9029
9030         PR tree-optimization/23073
9031         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9032         vect_print_dump_info before fprintf.
9033
9034 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9035
9036         PR tree-optimize/22348
9037         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9038         Fold the partial computation.
9039
9040 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9041
9042         PR tree-optimization/22325
9043         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9044         Declare.
9045         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9046         value replacement.
9047         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9048         (force_var_cost): ... this function.
9049         (compute_phi_arg_on_exit): Export.
9050
9051 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9052
9053         PR tree-optimization/20773
9054         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9055         edge.
9056
9057 2005-07-27  Richard Guenther  <rguenther@suse.de>
9058
9059         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9060         Avoid pushing again if current struct contains only
9061         fields we decomposed.
9062
9063 2005-07-27  Jan Hubicka  <jh@suse.cz>
9064
9065         PR tree-optimization/22574
9066         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9067         not available.
9068
9069         * tree-tailcall.c (decrease_profile): New function.
9070         (eliminate_tail_call): Use it.
9071
9072         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9073         visibility flags correctly in whole program mode.
9074
9075 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9076
9077         PR rtl-optimization/22472
9078         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9079
9080 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9081
9082         PR tree-optimization/22504
9083         * tree-complex.c (expand_complex_addition): Use 'code' instead
9084         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9085
9086 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9087
9088         * config.gcc (cpu_type): Add frv case.
9089         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9090         (supported_defaults): Add fr550 case.
9091
9092 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9093
9094         PR 22591
9095         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9096         whether a pointer of type T * may point to objects of type T *.
9097
9098 2005-07-26  DJ Delorie  <dj@redhat.com>
9099
9100         * configure: Regenerate.
9101
9102 2005-07-26  Dale Johannesen  <dalej@apple.com>
9103
9104         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9105
9106 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9107
9108         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9109         Clarify use of "build" in name.
9110
9111 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9112
9113         * doc/extend.texi (Raw read/write Functions): New section.
9114         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9115         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9116         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9117         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9118         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9119         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9120         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9121         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9122         * config/frv/frv.c: Add bdesc_loads global.
9123         Add bdesc_stores global.
9124         (frv_init_builtins): Add support for __builtin_{read/write}*.
9125         (frv_volatile_memref): New.
9126         (frv_expand_load_builtin): New.
9127         (frv_expand_store_builtin): New.
9128         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9129         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9130         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9131         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9132         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9133         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9134         (builtin_read_<mode>): New.
9135         (builtin_write_<mode>): New.
9136         (builtin_write64): New.
9137         (optional_membar_<mode>): New.
9138
9139 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9140
9141         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9142         (rather than units) against HOST_BITS_PER_WIDE_INT.
9143
9144 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9145
9146         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9147         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9148         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9149         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9150         FSF address.
9151
9152         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9153         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9154         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9155         comment typos.
9156         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9157
9158 2005-07-26  Richard Guenther  <rguenther@suse.de>
9159
9160         PR tree-optimization/22486
9161         * fold-const.c (fold_unary): Fold away useless component
9162         references of the form (T *)&T.x, if the address
9163         doesn't change.
9164
9165 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9166
9167         * dwarf2out.c (add_call_src_coords_attributes): New.
9168         (gen_inlined_subroutine_die): Call it.
9169         (maybe_emit_file, init_file_table): Add comments.
9170         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9171         maybe_emit_file.
9172         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9173         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9174         * tree.h (BLOCK_SOURCE_LOCATION): New.
9175         (struct tree_block): New field locus.
9176
9177 2005-07-26  Andreas Schwab  <schwab@suse.de>
9178
9179         PR rtl-optimization/23043
9180         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9181         when allocating a struct unoccr.
9182
9183 2005-07-25  Richard Henderson  <rth@redhat.com>
9184
9185         PR 22626
9186         * tree-complex.c (gate_no_optimization): True if errors.
9187         * Makefile.in (tree-complex.o): Update dependencies.
9188
9189 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9190
9191         * config/frv/predicates.md (integer_register_operand): Use
9192         GPR_AP_OR_PSEUDO_P.
9193
9194 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9195
9196         PR tree-opt/22484
9197         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9198         after fold.
9199         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9200
9201 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9202
9203         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9204         types when flag_unsafe_math_optimizations is true.
9205
9206 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9207
9208         * gcc.c (option_map): Add --sysroot.
9209         (process_command): Handle --sysroot.
9210         (display_help): Document it.
9211         * doc/cppopts.tex (-isysroot): Document.
9212         * doc/invoke.texi (--sysroot): Document.
9213         * doc/install.texi (--with-build-sysroot): Document.
9214
9215         * Makefile.in (inhibit_libc): New variable.
9216         (INHIBIT_LIBC_CFLAGS): Likewise.
9217         (LIBGCC2_CFLAGS): Include
9218         $(INHIBIT_LIBC_CFLAGS).
9219         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9220         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9221         ($(T)crtend.o): Likewise.
9222         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9223         ($(T)crtendS.o): Likewise.
9224         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9225         ($(T)crtendT.o): Likewise.
9226         (stmp-fixinc): Do not complain about missing headers if
9227         inhibit_libc.
9228         * configure.ac (inhibit_libc): Set it to true/false.
9229         (--with-build-sysroot): New option.  Use it to set
9230         SYSTEM_HEADER_DIR.
9231         * configure: Regenerated.
9232
9233 2005-07-25  Manfred Hollstein  <mh@suse.com>
9234
9235         * calls.c (store_one_arg): Fix unsigned comparison warning.
9236
9237 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9238
9239         PR other/22337
9240         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9241         (ggc_print_statistics): Initialize variable before use.
9242
9243 2005-07-25  Richard Guenther  <rguenther@suse.de>
9244
9245         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9246         calling with a PHI_NODE argument.
9247
9248         * tree-flow-inline.h (overlap_subvar): Protect against
9249         possible overflow.
9250
9251 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9252
9253         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9254         * configure: Regenerate.
9255
9256 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9257
9258         * expr.c (highest_pow2_factor): Make extern.
9259         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9260         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9261         record_array_differ_p, array_ptr_differ_p): Likewise.
9262         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9263         additional cases. Call the above functions.
9264         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9265         base_object_differ_p when there are two base objects. Otherwise, compare
9266         base address and offset. Call may_alias_p.
9267         (dump_data_reference): Use a correct field name.
9268         (analyze_array): Make static. Initialize new data-ref fields.
9269         (analyze_indirect_ref): New function.
9270         (init_data_ref): Initialize new data-ref fields.
9271         (strip_conversion): Moved from tree-vect-analyze.c.
9272         (analyze_offset_expr, get_ptr_offset, address_analysis,
9273         object_analysis): Likewise.
9274         (analyze_offset): New function.
9275         (create_data_ref): Likewise.
9276         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9277         dimensions for ARRAY_REFs only.
9278         (build_classic_dist_vector): Make static.
9279         (access_functions_are_affine_or_constant_p): Call macro to get the
9280         address of access functions.
9281         (compute_all_dependences): Add new parameter
9282         compute_self_and_read_read_dependences. Compute self and read-read
9283         dependences if it is true.
9284         (find_data_references_in_loop): Call create_data_ref. Initialize new
9285         data-ref fields.
9286         (compute_data_dependences_for_loop): Add new parameter
9287         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9288         compute nb_loops. Call compute_all_dependences,
9289         build_classic_dist_vector and build_classic_dir_vector with correct
9290         parameters.
9291         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9292         with correct parameters. Compare dimensions for ARRAY_REFs only.
9293         (free_data_refs): Call macro to free access functions.
9294         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9295         fields from stmt_vinfo.
9296         (struct base_object_info): New structure.
9297         (struct data_reference): Move fields to base_object_info. Add fields
9298         first_location and object_info for above structures. Move fields from
9299         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9300         aligned_to.  Add macros to access the new fields.
9301         Update functions declarations.
9302         * tree-flow.h (is_aliased_with): Declare.
9303         * tree-loop-linear.c (linear_transform_loops): Call
9304         compute_data_dependences_for_loop with correct parameters.
9305         * tree-ssa-alias.c (is_aliased_with): New function.
9306         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9307         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9308         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9309         vect_base_addr_differ_p, compute_subscript_distance and
9310         build_classic_dist_vector. Add printings. Check absolute value of
9311         distance.
9312         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9313         data-refs.
9314         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9315         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9316         to bytes. Add printing.
9317         (vect_compute_data_refs_alignment): Go through loads and stores in one
9318         loop.
9319         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9320         vect_analyze_data_ref_access): Likewise.
9321         (vect_analyze_pointer_ref_access): Remove.
9322         (vect_address_analysis, vect_object_analysis): Likewise.
9323         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9324         and analyze data-refs in the loop.
9325         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9326         fields of data-ref instead of stmt. Add init to the offset from the
9327         base.
9328         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9329         (vect_update_init_of_dr): Likewise.
9330         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9331         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9332         removed fields.
9333         (new_loop_vec_info): Initialize new fields.
9334         (destroy_loop_vec_info): Free new fields.
9335         (vect_strip_conversion): Remove.
9336         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9337         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9338         datarefs. Add new field ddrs.
9339         Add macros for the new fields access.
9340         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9341         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9342         Remove their macros.
9343         * tree.h (highest_pow2_factor): Declare.
9344
9345 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9346
9347         * calls.c (store_one_arg): Check for sibling call MEM arguments
9348         from already clobbered incoming argument area.
9349
9350 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9351
9352         * c-common.c (check_missing_format_attribute): New.
9353         * c-common.h (check_missing_format_attribute): Likewise.
9354         * c-typeck.c (convert_for_assignment): Use it.
9355
9356 2005-07-24  Andreas Schwab  <schwab@suse.de>
9357
9358         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9359         register use a word move.  Correct operand of ext.w in 68000 code.
9360
9361 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9362
9363         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9364         variables as declarations, rather than definitions.
9365
9366 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9367
9368         PR tree-optimization/22526
9369         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9370         of the zero node.
9371
9372 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9373
9374         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9375         that C99 reserve for future use. Use it to define clog10,
9376         clog10f and clog10l.
9377
9378 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9379
9380         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9381         * configure.ac: Check for -Wmissing-format-attribute.
9382
9383         * configure: Regenerate.
9384
9385 2005-07-23  Richard Henderson  <rth@redhat.com>
9386
9387         PR tree-optimization/22623
9388         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9389
9390 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9391
9392         PR target/22577
9393         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9394
9395 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9396
9397         * Makefile.in (C_TREE_H): Update dependencies.
9398         * c-tree.h: Include toplev.h.
9399         * diagnostic.h (diagnostic_set_info): Add format attribute.
9400         * rtl-error.c (diagnostic_for_asm): Likewise.
9401
9402 2005-07-23  Chao-ying Fu  <fu@mips.com>
9403
9404         * config/mips/mips-dsp.md: New file.
9405         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9406         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9407         functions.
9408         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9409         MIPS_BUILTIN_BPOSGE32.
9410         (mips_expand_builtin_direct): Add one parameter to indicate that
9411         builtin functions need to return a value.
9412         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9413         functions.
9414         (mips_regno_to_class): Add classes for 12 new DSP registers.
9415         (mips_subword): Change to check four HI registers.
9416         (mips_output_move): Output move to and from 6 new DSP accumulators.
9417         (override_options): Make sure -mdsp and -mips16 are not used together.
9418         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9419         for machine modes.
9420         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9421         when !TARGET_DSP.
9422         (print_operand): Add 'q' for printing DSP accumulators.
9423         (mips_cannot_change_mode_class): Check ACC_REGS.
9424         (mips_secondary_reload_class): Check ACC_REGS.
9425         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9426         (mips_register_move_cost): Check ACC_REGS.
9427         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9428         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9429         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9430         (dsp_bdesc): New array.
9431         (bdesc_arrays): Add DSP builtin function table.
9432         (mips_prepare_builtin_arg): Check predicate again after
9433         copy_to_mode_reg.
9434         (mips_expand_builtin): Add one more parameter to
9435         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9436         MIPS_BUILTIN_BPOSGE32.
9437         (mips_init_builtins): Initialize new function types.
9438         (mips_expand_builtin_direct): Check if builtin functions need to
9439         return a value and pass operands properly.
9440         (mips_expand_builtin_bposge): New function.
9441         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9442         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9443         (FIRST_PSEUDO_REGISTER): Increase to 188.
9444         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9445         Update for 12 new DSP registers.
9446         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9447         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9448         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9449         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9450         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9451         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9452         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9453         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9454         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9455         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9456         (REGISTER_NAMES): Add names for 12 new DSP registers.
9457         * config/mips/mips.md: Include mips-dsp.md.
9458         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9459         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9460         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9461         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9462         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9463         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9464         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9465         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9466         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9467         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9468         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9469         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9470         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9471         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9472         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9473         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9474         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9475         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9476         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9477         (UNSPEC_RDDSP): New constants.
9478         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9479         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9480         A<-d alternative.
9481         * config/mips/mips.opt (-mdsp): New option.
9482         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9483         (reg_imm10_operand): New predicates.
9484         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9485         * doc/invoke.texi (-mdsp): Document new option.
9486
9487 2005-07-22  DJ Delorie  <dj@redhat.com>
9488
9489         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9490         to warning calls.
9491         * tree-inline.c (inlinable_function_p): Likewise.
9492
9493 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9494
9495         PR debug/21828
9496         * toplev.c (check_global_declarations): Do not mark undefined
9497         variables as DECL_IGNORED_P.
9498         * varasm.c (first_global_object_name): GTY it.
9499         (weak_global_object_name): Likewise.
9500         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9501         a string to go into {weak,first}_global_object_name.
9502
9503 2005-07-22  DJ Delorie  <dj@redhat.com>
9504
9505         * c-format.c (check_function_format): Change warning control
9506         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9507
9508 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9509
9510         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9511         &PTR->FLD a dereference of PTR.
9512         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9513         a potential dereference of PTR.
9514
9515 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9516
9517         PR rtl-optimization/20370
9518         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9519         call allocate_reg_info if necessary.
9520
9521         PR rtl-optimization/21848
9522         * calls.c (emit_library_call_value_1): For const functions, add
9523         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9524
9525         PR rtl-optimization/22445
9526         * cselib.c (target.h): Include.
9527         (rtx_equal_for_cselib_p): Allow commutative matches.
9528         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9529         Remove MODE parameter.  Changed all callers.
9530
9531         PR rtl-optimization/22258
9532         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9533         New functions.
9534         (try_combine): Use likely_spilled_retval_p.
9535
9536 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9537
9538         * config.gcc: Add crx-elf support.
9539
9540         * doc/contrib.texi: Mention crx.
9541         * doc/extend.texi: Document crx extensions.
9542         * doc/install.texi: Document crx install.
9543         * doc/invoke.texi: Document crx options.
9544         * doc/md.texi: Document crx constraints.
9545
9546         * config/crx/crx-protos.h: New file.
9547         * config/crx/crx.c: New file.
9548         * config/crx/crx.h: New file.
9549         * config/crx/crx.md: New file.
9550         * config/crx/crx.opt: New file.
9551         * config/crx/t-crx: New file.
9552
9553 2005-07-22  Manfred Hollstein  <mh@suse.com>
9554
9555         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9556         warnings.
9557         (int_add_graph_edge): Likewise.
9558         (collapse_nodes): Likewise.
9559         (process_unification_queue): Likewise.
9560
9561 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9562             Laurent GUERBY  <laurent@guerby.net>
9563
9564         PR tree-optimization/22336
9565         * function.c (record_block_change): Check for
9566         cfun->ib_boundaries_block.
9567
9568 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9569
9570         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9571         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9572
9573 2005-07-21  DJ Delorie  <dj@redhat.com>
9574
9575         * toplev.c (warn_deprecated_use): Add warning control to warning
9576         call.
9577         * c-typeck.c (parser_build_binary_op): Likewise.
9578         (c_finish_if_stmt): Likewise.
9579         * c-common.c (check_function_sentinel): Likewise.
9580         (check_nonnull_arg): Likewise.
9581
9582 2005-07-21  Richard Henderson  <rth@redhat.com>
9583
9584         PR tree-opt/22504
9585         * tree-complex.c (complex_ssa_name_components): New.
9586         (cvc_lookup): Allow entry not found.
9587         (create_components): Remove.
9588         (create_one_component_var, get_component_var): New.
9589         (get_component_ssa_name, set_component_ssa_name): New.
9590         (extract_component): Use get_component_ssa_name.
9591         (update_complex_components): Use set_component_ssa_name.
9592         (update_complex_components_on_edge): Likewise.
9593         (update_phi_components): Create new PHI nodes directly, instead
9594         of adding insns to edges.
9595         (tree_lower_complex): Allocate and free complex_variable_components
9596         and complex_ssa_name_components here.
9597
9598 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9599
9600         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9601         revert to returning false.
9602
9603 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9604
9605         PR target/21149
9606         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9607
9608 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9609
9610         PR target/22576
9611         * config/i386/i386.md (cmpxf): Change operand constraints
9612         to "nonmemory_operand".
9613
9614 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9615
9616         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9617
9618 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9619
9620         PR middle-end/21180
9621         * fold-const.c (fold_build1): Add checksum for the operands.
9622         (fold_build2): Likewise.
9623         (fold_build3): Likewise.
9624
9625 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9626
9627         PR middle-end/19055
9628         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9629
9630 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9631
9632         * common.opt (-fforward-propagate): Committed by mistake,
9633         removed.
9634
9635 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9636
9637         * reg-stack.c: Fix comment typo(s).
9638         * tree-ssa-operands.c: Likewise.
9639         * tree-vectorizer: Likewise.
9640
9641 2005-07-21  Nick Clifton  <nickc@redhat.com>
9642
9643         * config/sh/symbian.c: Replace C++ style line comments with C
9644         style line comments.
9645         (symbian_add_attribute): Do not use a ? operator on the LHS of
9646         an assignment.
9647         (sh_symbian_handle_dll_attribute): Change the type of the
9648         method vector to "VEC(tree,gc)*" and use vector accessor
9649         macros to walk over the elements.
9650         (symbian_export_vtable_and_rtti_p): Likewise.
9651         (symbian_class_needs_attribute_p): Likewise.
9652
9653 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9654
9655         PR target/22085
9656         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9657         initialize targetm.resolve_overloaded_builtin here.
9658         (altivec_expand_overloaded_builtin): Make it non-static.
9659         * config/rs6000/rs6000-protos.h
9660         (altivec_expand_overloaded_builtin): New prototype.
9661         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9662         targetm.resolve_overloaded_builtin here.
9663         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9664
9665 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9666             Zdenek Dvorak  <dvorakz@suse.cz>
9667
9668         PR tree-optimization/19210
9669         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9670         New.
9671         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9672         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9673         rely on unproven assumptions.
9674         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9675         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9676         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9677         to number_of_iterations_exit.
9678         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9679         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9680         * tree-ssa-loop-niter.c (find_loop_niter,
9681         estimate_numbers_of_iterations_loop): Likewise.
9682         (number_of_iterations_exit): Honor the new options.
9683         * doc/invoke.texi (Wunsafe-loop-optimizations,
9684         funsafe-loop-optimizations): Document them.
9685
9686 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9687
9688         PR rtl-optimization/22167
9689         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9690
9691 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9692
9693         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9694         __do_global_dtors_aux longcall.
9695
9696 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9697
9698         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9699         (old_special_pred_table): Don't reference
9700         SPECIAL_MODE_PREDICATES.
9701         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9702         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9703         * config/sh/predicates.h: Don't mention
9704         SPECIAL_MODE_PREDICATES.
9705         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9706         Remove.
9707
9708 2005-07-20  DJ Delorie  <dj@redhat.com>
9709
9710         * config.gcc: Add m32c-elf support.
9711
9712         * doc/contrib.texi: Mention m32c.
9713         * doc/extend.texi: Document m32c extensions.
9714         * doc/install.texi: Mention m32c.
9715         * doc/invoke.texi: Document m32c options.
9716         * doc/md.texi: Document m32c constraints.
9717
9718         * config/m32c/addsub.md: New file.
9719         * config/m32c/bitops.md: New file.
9720         * config/m32c/cond.md: New file.
9721         * config/m32c/jump.md: New file.
9722         * config/m32c/m32c-lib1.S: New file.
9723         * config/m32c/m32c-lib2.c: New file.
9724         * config/m32c/m32c-modes.def: New file.
9725         * config/m32c/m32c-pragma.c: New file.
9726         * config/m32c/m32c-protos.h: New file.
9727         * config/m32c/m32c.abi: New file.
9728         * config/m32c/m32c.c: New file.
9729         * config/m32c/m32c.h: New file.
9730         * config/m32c/m32c.md: New file.
9731         * config/m32c/m32c.opt: New file.
9732         * config/m32c/minmax.md: New file.
9733         * config/m32c/mov.md: New file.
9734         * config/m32c/muldiv.md: New file.
9735         * config/m32c/predicates.md: New file.
9736         * config/m32c/prologue.md: New file.
9737         * config/m32c/shift.md: New file.
9738         * config/m32c/t-m32c: New file.
9739
9740 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9741
9742         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9743         (stack_protect_set, stack_protect_test): New expanders.
9744         (stack_protect_set_si, stack_protect_set_si_media,
9745         stack_protect_set_di_media, stack_protect_test_si,
9746         stack_protect_test_si_media, stack_protect_test_di_media):
9747         New insns.
9748
9749 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9750
9751         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9752
9753 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9754
9755         * tree.h (tree_expr_nonzero_p): Export.
9756         * fold-const.c (tree_expr_nonzero_p): Likewise.
9757         Return true for CALL_EXPRs that are alloca calls.
9758         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9759         against zero.
9760         * tree-flow.h (expr_computes_nonzero): Remove.
9761         * tree-vrp.c (expr_computes_nonzero): Remove.
9762         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9763         (extract_range_from_unary_expr): Likewise.
9764         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9765         tree_expr_nonzero_p.
9766
9767 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9768
9769         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9770         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9771         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9772         All callers changed.
9773         (frame_related_constant_load): New arg "related" which controls
9774         setting of RTX_FRAME_RELATED_P.  All callers changed.
9775         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9776         (bfin_expand_prologue): Add stack limit checking.
9777         * config/bfin/bfin.md (trapifcc): New pattern.
9778
9779         * config/bfin/bfin.c: Include "langhooks.h".
9780         (def_builtin): Go through lang_hooks to call builtin_function.
9781
9782         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9783         * config/bfin/predicates.md (symbol_ref_operand): New.
9784         (call_insn_operand): Delete.  All callers changed to use
9785         register_no_elim_operand.
9786         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9787         call_cookie field.
9788         (function_arg): Use it to generate the call's operand 2.
9789         (bfin_longcall_p): New function.
9790         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9791         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9792         determine if the address needs to be in a REG.
9793         (bfin_handle_longcall_attribute): New function.
9794         (bfin_attribute_table): Add "longcall" and "shortcall".
9795         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9796         (CUMULATIVE_ARGS): New member call_cookie.
9797         (PREDICATE_CODES): Add symbol_ref_operand.
9798         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9799         extra USE to the pattern.
9800         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9801         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9802         sibcall_value_insn; now the new patterns handle direct calls and the
9803         old ones indirect calls.
9804         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9805
9806 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9807
9808         * doc/trouble.texi: Update section on handling of empty loops.
9809
9810 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9811
9812         * config.gcc: Remove support for sparc-*-openbsd*,
9813         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9814         ns32k-*-netbsd*.
9815         * config.host: Remove support for i860-*-sysv4* as a host.
9816         * config/i860/*, config/ip2k/*, config/ns32k/*,
9817         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9818         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9819         mention obsolete ports.
9820
9821 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9822
9823         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9824         soft frame pointer.
9825         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9826         of frame_pointer_rtx.
9827         (sh_expand_epilogue): Likewise.
9828         (sh_set_return_address): Likewise.
9829         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9830         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9831         offsets from FRAME_POINTER_REGNUM.
9832         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9833         (sh_register_names): Add initializer for sfp.
9834         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9835         (VALID_REGISTER_P): Likewise.
9836         (FIRST_PSEUDO_REGISTER): Update.
9837         (DWARF_FRAME_REGISTERS): Define.
9838         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9839         (HARD_FRAME_POINTER_REGNUM): Define.
9840         (FRAME_POINTER_REGNUM): Redefine.
9841         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9842         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9843         from FRAME_POINTER_REGNUM.
9844         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9845         FRAME_POINTER_REGNUM.
9846         (REG_CLASS_CONTENTS): Add sfp.
9847         (REG_ALLOC_ORDER): Likewise.
9848         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9849         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9850         of frame_pointer_rtx.
9851         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9852
9853 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9854
9855         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9856         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9857         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9858         of an ABS_EXPR.
9859         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9860         ABS_EXPR<x>.
9861
9862 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9863
9864         Make CONSTRUCTOR use VEC to store initializers.
9865         * c-common.c (complete_array_type): Update to cope with VEC in
9866         CONSTRUCTOR_ELTS.
9867         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9868         (pp_c_constructor_elts): New function.
9869         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9870         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9871         struct constructor_stack, struct initializer_stack,
9872         constructor_elements, push_init_level, pop_init_level,
9873         add_pending_init, find_init_member, output_init_element): Update to
9874         cope with VEC in CONSTRUCTOR_ELTS.
9875         * coverage.c (build_fn_info_value, build_ctr_info_value,
9876         build_gcov_info): Likewise.
9877         * expr.c (categorize_ctor_elements_1, store_constructor,
9878         expand_expr_real_1): Likewise.
9879         * fold-const.c (fold_ternary): Likewise.
9880         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9881         gimplify_init_constructor, gimplify_expr): Likewise.
9882         * tree-dump.c (dequeue_and_dump): Likewise.
9883         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9884         node.
9885         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9886         CONSTRUCTOR_ELTS.
9887         * tree-sra.c (generate_element_init_1): Likewise.
9888         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9889         * tree-ssa-operands.c (get_expr_operands): Likewise.
9890         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9891         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9892         (get_initial_def_for_reduction): Likewise.
9893         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9894         value handle in annotations.
9895         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9896         tree_node_structure): Add support for constr_kind.
9897         (build_vector_from_ctor, build_constructor_single,
9898         build_constructor_from_list): New functions.
9899         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9900         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9901         Update to cope with VEC in CONSTRUCTOR_ELTS.
9902         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9903         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9904         CONSTRUCTOR_APPEND_ELT): New macros.
9905         (struct constructor_elt, struct tree_constructor): New data types.
9906         (union tree_node): Add tree_constructor field.
9907         * treestruct.def: Define TS_CONSTRUCTOR.
9908         * varasm.c (const_hash_1, compare_constant, copy_constant,
9909         compute_reloc_for_constant, output_addressed_constants,
9910         initializer_constant_valid_p, output_constant,
9911         array_size_for_constructor, output_constructor): Update to cope with
9912         VEC in CONSTRUCTOR_ELTS.
9913         * vec.h (VEC_empty, VEC_copy): New macros.
9914
9915 2005-07-19  Devang Patel  <dpatel@apple.com>
9916
9917         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9918
9919 2005-07-19  Richard Henderson  <rth@redhat.com>
9920
9921         PR tree-opt/22278
9922         * gimplify.c (gimplify_expr): Use main variant type for the temp
9923         destination for a discarded volatile read.
9924         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9925         casts between non-void types that change volatility.
9926
9927 2005-07-15  DJ Delorie  <dj@redhat.com>
9928
9929         * toplev.h: Add comment about the first parameter for warning().
9930         * errors.h: Likewise.
9931
9932         * c.opt (Wpragmas): New.
9933         * doc/invoke.texi: Document it.
9934
9935         * function.c (do_warn_unused_parameter): Add warning control to
9936         warning call.
9937         * c-decl.c (warn_if_shadowing): Likewise.
9938         * c-lex.c (cb_def_pragma): Likewise.
9939         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9940         (pop_alignment): Likewise.
9941         (handle_pragma_pack): Likewise.
9942         (apply_pragma_weak): Likewise.
9943         (handle_pragma_weak): Likewise.
9944         (handle_pragma_redefine_extname): Likewise.
9945         (add_to_renaming_pragma_list): Likewise.
9946         (handle_pragma_extern_prefix): Likewise.
9947         (maybe_apply_renaming_pragma): Likewise.
9948         (handle_pragma_visibility): Likewise.
9949
9950         * config/c4x/c4x-c.c (BAD): Likewise.
9951         (c4x_parse_pragma): Likewise.
9952         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9953         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9954         (rs6000_pragma_longcall): Likewise.
9955         * config/v850/v850-c.c (pop_data_area): Likewise.
9956         (ghs_pragma_section): Likewise.
9957         (ghs_pragma_section): Likewise.
9958         (ghs_pragma_interrupt): Likewise.
9959         (ghs_pragma_starttda): Likewise.
9960         (ghs_pragma_startsda): Likewise.
9961         (ghs_pragma_startzda): Likewise.
9962         (ghs_pragma_endtda): Likewise.
9963         (ghs_pragma_endsda): Likewise.
9964         (ghs_pragma_endzda): Likewise.
9965
9966 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9967             Kenneth Zadeck <zadeck@naturalbridge.com>
9968
9969         * Makefile.in: Removed tree-promote-statics.c
9970         * tree-promote-statics.c: Removed.
9971         * common.opt: Removed flag-promote-statics.
9972         * opts.c: Ditto.
9973         * passes.c: Removed tree-promote-statics pass.
9974         * tree-pass.h: Ditto.
9975         * timevar.def: Removed TV_PROMOTE_STATICS.
9976
9977
9978 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9979
9980         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9981         and *-*-freebsd9.
9982         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9983
9984 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9985
9986         PR c/22476
9987         * c-common.c (check_function_arguments): Call
9988         'check_function_format' if either -Wformat or
9989         -Wmissing-format-attribute are specified.
9990         * c-format.c (check_function_format): Check -Wformat before
9991         calling 'check_format_info'.
9992         * c-opts.c (c_common_post_options): Don't warn for
9993         -Wmissing-format-attribute without -Wformat.
9994         * c-typeck.c (convert_for_assignment): Detect additional cases for
9995         -Wmissing-format-attribute.
9996         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9997         behavior.
9998
9999 2005-07-19  Richard Guenther  <rguenther@suse.de>
10000
10001         * config/i386/i386.md (lrint<mode>2): Use temporary
10002         instead of clobbering non-existent memory.
10003
10004 2005-07-19  Nick Clifton  <nickc@redhat.com>
10005
10006         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10007         statement to avoid displaying ASCII control characters.
10008
10009 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10010
10011         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10012         * cfganal.c (find_edge_index): Ditto.
10013         * combine.c (combine_instructions): Ditto.
10014         * ddg.c (create_scc): Ditto.
10015         (find_successors): Ditto.
10016         (find_predecessors): Ditto.
10017         (find_nodes_on_paths): Ditto.
10018         (longest_simple_path): Ditto.
10019         * flow.c (update_life_info): Ditto.
10020         (count_or_remove_death_notes): Ditto.
10021         (clear_log_links): Ditto.
10022         * modulo-sched.c (generate_reg_moves): Ditto.
10023         (find_max_asap): Ditto.
10024         (find_max_hv_min_mob): Ditto.
10025         (find_max_dv_min_mob): Ditto.
10026         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10027         * sched-rgn.c (extract_edgelst): Ditto.
10028         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10029         (dump_update_ssa): Ditto.
10030         (ssa_names_to_replace) Ditto.
10031         (switch_virtuals_to_full_rewrite): Ditto.
10032         (update_ssa): Ditto.
10033         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10034
10035 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10036
10037         Fix PR tree-optimization/22483
10038
10039         * tree-complex.c (create_components): Use
10040         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10041         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10042         * tree-flow.h (safe_referenced_var_iterator): New structure.
10043         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10044         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10045         safe_referenced_var iterator.
10046         (add_type_alias): Ditto.
10047
10048 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10049
10050         * loop-init.c (rest_of_handle_loop2): Remove.
10051         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10052         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10053         (pass_rtl_loop_init, pass_rtl_loop_done,
10054         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10055         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10056         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10057         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10058         pass_tree_loop_done, and pass_tree_unswitch.
10059         (gate_loop): Rename to gate_tree_loop.
10060         * passes.c (init_optimization_passes): Update for renamed tree
10061         loop passes.  Add the new loop2 passes as subpasses of loop2.
10062         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10063         Update for the renamed tree loop passes.
10064
10065 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10066
10067         PR middle-end/22057
10068         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10069         blocks when optimizing.
10070
10071 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10072
10073         * common.opt (frename-registers): Initialize to 2.
10074         (fweb): Ditto.
10075         (fgcse-after-reload): Ditto.
10076         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10077         (process_options): Only change flag_web, flag_rename_registers,
10078         and flag_rerun_cse_after_loop if not explicitly set by user.
10079
10080 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10081
10082         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10083         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10084         in 64-bit mode the same as DImode in 32-bit mode.
10085         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10086         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10087         mode. Add new mode parameter.
10088         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10089         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10090         x86_64_shift_adj): New expanders.
10091         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10092         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10093         insns.
10094         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10095         DImode shift splitters.
10096         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10097         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10098         mode parameter.
10099
10100 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10101
10102         * i386.md (movdi_extzv_1): New.
10103         (zero_extendhidi2): Combine alternatives and never force use of
10104         REX64 prefix.
10105         (zero_extendqidi2): Likewise. Don't restrict input selection.
10106
10107 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10108
10109         Fix PR tree-optimization/22531
10110         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10111          moment.
10112
10113 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10114
10115         * tree-promote-statics.c (pass_promote_statics): Change dump file
10116          name.
10117
10118 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10119
10120         * tree-optimize.c (init_tree_optimization_passes): Add
10121         pass_eliminate_useless_stores pass.
10122         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10123         * tree-ssa-pre.c (is_copy_stmt): New function.
10124         (follow_copies_till_vuse): Ditto.
10125         (do_eustores): Ditto.
10126         (gate_eustores): Ditto.
10127
10128 2005-07-16  Richard Henderson  <rth@redhat.com>
10129
10130         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10131
10132 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10133            Kenneth Zadeck <zadeck@naturalbridge.com>
10134
10135         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10136         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10137         ipa-type-escape.h, tree-promote-statics.c
10138         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10139         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10140         tree-promote-statics.c: new files.
10141         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10142         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10143         int nonlocal_set_p, mark_constant_function): Deleted.
10144         (rest_of_handle_cfg): Removed call to mark_constant_function.
10145         (nonoverlapping_component_refs_p): Added calls to support
10146         type based aliasing.
10147         * tree-ssa-alias.c (may_alias_p,
10148         compute_flow_insensitive_aliasing): Ditto.
10149         * calls.c (flags_from_decl_or_type): Removed reference to
10150         cgraph_rtl_info.
10151         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10152         too many arguments.  This is necessary for Spec 2000.
10153         * cgraph.h (const_function, pure_function): Removed.
10154         * common.opt: Added "fipa-pure-const", "fipa-reference",
10155         "fipa-type-escape", and "ftree-promote-static".
10156         * opts.c: Ditto.
10157         * passes.c: Added ipa and tree-promote-statics passes.
10158         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10159         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10160         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10161         * tree-flow.h: Added exposed sra calls and addition of
10162         reference_vars_info field for FUNCTION_DECLS.
10163         * tree-pass.h: Added passes.
10164         * tree-sra.c: (sra_init_cache): New function.
10165         (sra_insert_before, sra_insert_after) Made public.
10166         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10167         and made public.
10168         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10169         aliasing. (may_alias_p): Added code to use type escape analysis to
10170         improve alias sets.
10171         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10172         code to prune clobbers of static variables based on information
10173         produced in ipa-reference pass.  Changed call clobbering so that
10174         statics are not marked as clobbered if the call does not clobber
10175         them.
10176
10177 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10178
10179         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10180         too.
10181
10182 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10183
10184         * doc/install.texi (*-*-solaris2*): Document recommended version
10185         of GNU binutils and mention GNU linker problem on Solaris 10.
10186
10187 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10188
10189         PR c/22421
10190         * c-decl.c (c_build_bitfield_integer_type): New function.
10191         (finish_struct): Call it.
10192         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10193
10194 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10195
10196         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10197         before returning.
10198
10199 2005-07-16  Jan Hubicka  <jh@suse.cz>
10200
10201         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10202         (scale_bbs_frequencies_int): Watch roundoff errors.
10203         * predict.c (return_prediction): Initialize return_stmt.
10204
10205 2005-07-16  Jan Hubicka  <jh@suse.cz>
10206
10207         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10208         after RTL profiling.
10209
10210 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10211
10212         PR middle-end/22398
10213         * fold-const.c (build_range_check): Convert high/low to etype
10214         if we are only comparing against exp.
10215
10216 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10217
10218         Fix PR tree-optimization/22376
10219         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10220         special var here.
10221         (need_to_solve): New function.
10222         (compute_points_to_sets): Use it.
10223
10224 2005-07-15  Jan Hubicka  <jh@suse.cz>
10225
10226         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10227         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10228
10229 2005-07-15  Richard Guenther  <rguenther@suse.de>
10230
10231         * c-common.c (handle_flatten_attribute): New function.
10232         Add flatten function attribute.
10233         * doc/extend.texi: Document flatten function attribute.
10234         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10235         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10236         New functions.
10237         (cgraph_decide_inlining): Handle functions with flatten
10238         attribute.
10239
10240 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10241
10242         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10243         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10244         UNSPEC_XCHG, UNSPEC_AND): New.
10245         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10246         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10247         * config/rs6000/sync.md (FETCHOP): New code macro.
10248         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10249         New code attrs.
10250         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10251         (sync_compare_and_swap<mode>): Same.
10252         (sync_lock_test_and_set<mode>): Same.
10253         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10254         for QImode and HImode, and not PPC405.
10255         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10256         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10257         (sync_<fetchop>{si,di}_internal): New.
10258         (sync_nand{si,di}_internal): New.
10259         (sync_old_<fetchop>{si,di}_internal): New.
10260         (sync_old_nand{si,di}_internal): New
10261         (sync_new_<fetchop>{si,di}_internal): New.
10262         (sync_new_nand{si,di}_internal): New.
10263         (atomic_and{si,di}): New.
10264         (sync_new_nand{si,di}_internal): New.
10265         (atomic_and{si,di}): New.
10266         (sync_add<mode>_internal): Delete.
10267         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10268         (sync_sub<mode>_internal): Delte.
10269         (sync_subshort_internal): New.
10270         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10271         (sync_anddi_internal): Delete.
10272         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10273         (sync_booldi_internal): Delete.
10274         (sync_boolc<mode>_internal): Delete.
10275         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10276         (sync_boolc<mode>_internal2): Delete.
10277         (sync_boolcc<mode>_internal): Delete.
10278         (isync, lwsync): Use unspec instead of unspec_volatile.
10279         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10280         Revert UNSPEC_VOLATILE.
10281         (rs6000_split_atomic_op): New.
10282         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10283
10284 2005-07-14  Eric Christopher  <echristo@redhat.com>
10285
10286         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10287         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10288
10289 2005-07-14  Eric Christopher  <echristo@redhat.com>
10290
10291         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10292
10293 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10294
10295         PR tree-optimization/22230
10296         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10297         the computation of the four cross productions for "range op range".
10298
10299 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10300             Ulrich Weigand  <uweigand@de.ibm.com>
10301
10302         PR target/20126
10303         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10304         in some insn.
10305
10306 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10307
10308         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10309
10310 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10311
10312         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10313
10314 2005-07-14  Richard Guenther  <rguenther@suse.de>
10315
10316         PR middle-end/22347
10317         * config/i386/i386-protos.h (ix86_function_value): Change
10318         prototype to match new target hook.
10319         * config/i386/i386.c (ix86_value_regno): Change prototype
10320         to take extra type argument.
10321         (TARGET_FUNCTION_VALUE): Define.
10322         (ix86_function_ok_for_sibcall): Pass extra argument to
10323         ix86_value_regno, check return slot rtx for exact match.
10324         (ix86_function_value): Take extra parameter.  Dispatch to
10325         ix86_value_regno with fndecl/fntype as provided.
10326         (ix86_value_regno): Handle extra type argument.
10327         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10328
10329         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10330         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10331         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10332         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10333         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10334
10335 2005-07-14  Richard Guenther  <rguenther@suse.de>
10336
10337         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10338         * calls.c (expand_call): Pass fntype to hard_function_value.
10339         (emit_library_call_value_1): Likewise.
10340         * explow.c: Include target.h.
10341         (hard_function_value): Take extra argument, the fntype.
10342         Use new target hook for function_value.
10343         * expr.h (hard_function_value): Change prototype.
10344         * function.c (aggregate_value_p): Pass 0 as fntype to
10345         hard_function_value.
10346         (assign_parms): Use new target hook for function_value.
10347         Pass 0 as fntype to hard_function_value.
10348         (expand_function_end): Likewise.
10349         * reg-stack.c: Include target.h.
10350         (stack_result): Use new target hook for function_value.
10351         * target-def.h: New target hook function_value.
10352         * target.h: Likewise.
10353         * targhooks.c (default_function_value): New function.
10354         * targhooks.h (default_function_value): Declare.
10355
10356 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10357
10358         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10359
10360 2005-07-14  Jan Hubicka  <jh@suse.cz>
10361
10362         * tree-dfa.c (dump_variable): Use default_def function.
10363         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10364         * tree-ssa.c (verify_use): Likewise.
10365         * tree-ssanames.c (release_ssa_name): Likewise.
10366         * tree-tailcall.c (eliminate_tail_call): Likewise.
10367         (tree_optimize_tail_calls_1): Likewise.
10368         * tree-vrp.c (get_value_range): Likewise.
10369
10370 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10371
10372         * gcc.c (main): Compare language[0] with '*' when iterating over
10373         the infiles.
10374
10375 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10376
10377         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10378         "s390_emit_compare".  Add handling of CCZ1mode.
10379         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10380         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10381         checking.
10382         (s390_branch_condition_mask): Add CCZ1mode handling.
10383         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10384         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10385         Use CCZ1mode instead of CCZmode.
10386         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10387
10388 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10389
10390         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10391         pattern.
10392         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10393
10394 2005-07-13  Eric Christopher  <echristo@redhat.com>
10395
10396         * config/mips/mips.c (mips_canonicalize_comparison): New.
10397         (mips_emit_int_relational): Use.
10398
10399 2005-07-13  Eric Christopher  <echristo@redhat.com>
10400
10401         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10402         static extra parts.
10403         * config/s390/s390.md: Include tpf.md. Move tpf specific
10404         patterns...
10405         * config/s390/tpf.md: To here.
10406         * config/s390/s390.opt: Move tpf specific options...
10407         * config/s390/tpf.opt: to here. Add mmain option.
10408         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10409         * config/s390/tpf.h: Rewrite.
10410
10411 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10412
10413         * doc/tm.texi: Remove @xref{Cross-profiling}.
10414
10415 2005-07-13  Jeff Law  <law@redhat.com>
10416
10417         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10418         expressions, test their _DECL operands for pointer equality rather
10419         than using operand_equal_p.
10420
10421 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10422
10423         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10424         (TARGET_POSIX_IO): This.
10425         * config/darwin.h: Likewise.
10426         * config/freebsd.h: Likewise.
10427         * config/linux.h: Likewise.
10428         * config/lynx.h: Likewise.
10429         * config/netbsd.h: Likewise.
10430         * config/rs6000/linux64.h: Likewise.
10431         * config/rs6000/linux.h: Likewise.
10432         * config/s390/tpf.h: Likewise.
10433         * config/sh/embed-elf.h: Likewise.
10434         * config/sparc/linux64.h: Likewise.
10435         * config/sparc/linux.h: Likewise.
10436         * config/svr4.h: Likewise.
10437         * gcov-io.h: Likewise.
10438
10439         * doc/tm.texi: Updated.
10440
10441         * libgcov.c (create_file_directory): Defined only if
10442         TARGET_POSIX_IO is defined.
10443         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10444         is defined.
10445
10446 2005-07-13  Jan Hubicka  <jh@suse.cz>
10447
10448         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10449
10450 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10451
10452         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10453         structure as argument.
10454
10455 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10456
10457         PR tree-optimization/21921
10458         * tree-iterator.c (tsi_link_before): Support the case when
10459         tsi_end_p (tsi) == true.
10460
10461 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10462
10463         PR tree-optimization/22442
10464         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10465         correctly.
10466
10467 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10468
10469         PR rtl-optimization/20376
10470         * toplev.c (process_options): Enable -fweb and -frename-registers when
10471         unrolling.
10472         * doc/invoke.texi: Update the information about when -fweb and
10473         -frename-registers are enabled.
10474
10475 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10476
10477         PR tree-opt/21840
10478         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10479         if *rhs_p is not a SSA_NAME.
10480
10481 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10482
10483         Fix PR tree-optimization/22422
10484         * tree-ssa-structalias.c (struct variable_info): Add flag for
10485         special vars.
10486         (get_varinfo): Now a static function.
10487         (new_varinfo): init has_union and is_special_var to false.
10488         (solution_set_add): Check has_union.
10489         (do_da_constraint): Move temporary variable so it gets reset
10490         properly.
10491         Also check for special variable.
10492         (do_ds_constraint): Ditto.
10493         (do_sd_constraint): Ditto.
10494         (do_structure_copy): Check for special variable.
10495         (find_func_aliases): Ditto.
10496         (init_base_vars): Set special vars properly.
10497
10498 2005-07-13  Jan Hubicka  <jh@suse.cz>
10499
10500         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10501         do unit-at-a-time.
10502
10503         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10504         (get_expr_operands): Fix thinko wrt flags and subvars.
10505
10506         PR tree-optimize/22379
10507         * tree-inline.c (expand_call_inline): Do not output sorry in early
10508         inlining.
10509
10510 2005-07-12  Dale Johannesen  <dalej@apple.com>
10511
10512         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10513
10514 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10515
10516         PR bootstrap/21704
10517         * host-linux.h: Include limits.h.
10518
10519 2005-07-12  Dale Johannesen  <dalej@apple.com>
10520
10521         * expr.c (compress_float_constant):  Add cost check.
10522         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10523
10524 2005-07-12  Dale Johannesen  <dalej@apple.com>
10525
10526         * gcc.target/i386/compress-float-sse.c:  New.
10527         * gcc.target/i386/compress-float-sse-pic.c:  New.
10528         * gcc.target/i386/compress-float-387.c:  New.
10529         * gcc.target/i386/compress-float-387-pic.c:  New.
10530         * gcc.dg/compress-float-ppc.c:  New.
10531         * gcc.dg/compress-float-ppc-pic.c:  New.
10532
10533 2005-07-12  Eric Christopher  <echristo@redhat.com>
10534
10535         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10536         static extra parts.
10537         * config/s390/s390.md: Include tpf.md. Move tpf specific
10538         patterns...
10539         * config/s390/tpf.md: To here.
10540         * config/s390/s390.opt: Move tpf specific options...
10541         * config/s390/tpf.opt: to here. Add mmain option.
10542         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10543         * config/s390/tpf.h: Rewrite.
10544
10545 2005-07-12  Eric Christopher  <echristo@redhat.com>
10546
10547         * gcc.c (struct infile): Update comment for language.
10548         (main): Rewrite input file resetting code.
10549
10550 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10551
10552         PR tree-opt/22335
10553         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10554         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10555         (lookup_avail_expr): Use constant_boolean_node instead
10556         of boolean_false_node/boolean_true_node.
10557
10558 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10559
10560         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10561         and use it when printing num_edges.
10562
10563 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10564
10565         * doc/extend.texi (Blackfin Built-in Functions): New section.
10566         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10567         @opindex.
10568
10569 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10570
10571         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10572         s/cmpstrsi/cmpstrnsi
10573         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10574         'cmpstrnsi'.
10575         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10576         (init_optabs): Initialize cmpstrn_optab.
10577         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10578         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10579         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10580         * config/i386/i386.md: s/cmpstr/cmpstrn
10581         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10582         * doc/md.texi: Update documentation.
10583
10584 2005-07-11  Richard Henderson  <rth@redhat.com>
10585
10586         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10587         build_va_arg_indirect_ref.
10588         (alpha_gimplify_va_arg): Likewise.
10589         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10590         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10591         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10592         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10593         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10594         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10595         Likewise.
10596         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10597
10598 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10599
10600         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10601         * passes.c (init_optimization_passes): Add pass_empty_loop.
10602         * tree-pass.h (pass_empty_loop): Declare.
10603         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10604         try_remove_empty_loop, remove_empty_loops): New functions.
10605         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10606         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10607
10608 2005-07-12  Peter Barada  <peter@the-baradas.com>
10609
10610         PR middle-end/16719
10611         PR middle-end/18421
10612         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10613         in address registers.
10614         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10615         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10616         alternative of addsi3_5200.
10617
10618 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10619
10620         * config/mips/mips.md (ffs<mode>2): Remove.
10621
10622 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10623
10624         * doc/tree-ssa.texi (Cleanups): Improve description of
10625         TRY_FINALLY_EXPR.
10626         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10627
10628 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10629
10630         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10631         * tree.h (DECL_ARGUMENT_FLD): New macro.
10632
10633 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10634
10635         Fix PR tree-optimization/22404
10636
10637         * tree-ssa-structalias.c (create_variable_info_for): Use
10638         correct offset.
10639
10640 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10641
10642         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10643         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10644         for second comparison operand.
10645         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10646
10647         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10648         (define_insn_reservation "alu"): Likewise.
10649         (csync, ssync): Now of type sync.
10650         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10651         -mcsync-anomaly -mspecld-anomaly.
10652         * config/bfin/bfin.opt (mcsync): Remove.
10653         (mcsync-anomaly, mspecld-anomaly): Add.
10654         * config/bfin/bfin.c: Include "insn-codes.h".
10655         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10656         (TARGET_DEFAULT_TARGET_FLAGS): New.
10657         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10658
10659 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10660
10661         * basic-block.h: Give the BB flags enum a name, bb_flags.
10662         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10663         * cfgcleanup.c (enum bb_flags): Remove here.
10664         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10665         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10666         (update_forwarder_flag): Likewise.
10667         (thread_jump): Likewise.
10668         (try_forward_edges): Likewise.
10669         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10670         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10671         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10672
10673 2005-07-11  Richard Guenther  <rguenther@suse.de>
10674
10675         * config/i386/i386.opt: New target option -msseregparm.
10676         * config/i386/i386.c (override_options): Error out for
10677         -msseregparm but no SSE support.
10678         (ix86_function_sseregparm): Check for global sseregparm.
10679         * doc/invoke.texi: Document -msseregparm.
10680
10681 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10682
10683         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10684         (m32rle-*-linux*): Ditto.
10685
10686 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10687
10688         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10689         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10690         bytes.
10691
10692 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10693
10694         PR middle-end/22239
10695         PR target/20126
10696         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10697         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10698
10699 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10700
10701         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10702         (varmap): Heapify varmap.
10703         (constraints): Heapify constraints.
10704         (struct constraint_graph): Heapify succs and preds.
10705         (constraint_vec_find): Update for heapification.
10706         (constraint_set_union): Ditto.
10707         (insert_into_complex): Ditto.
10708         (constraint_edge_vec_find): Ditto.
10709         (erase_graph_self_edge): Ditto.
10710         (add_graph_edge): Ditto.
10711         (get_graph_weights): Ditto.
10712         (merge_graph_nodes): Ditto.
10713         (build_constraint_graph): Ditto.
10714         (topo_visit): Ditto.
10715         (solve_graph): Ditto.
10716         (create_variable_info_for): Ditto.
10717         (init_base_vars): Ditto.
10718         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10719         (condese_varmap_nodes): Free complex vector.
10720         (clear_edges_for_node): Clear succs and preds vector.
10721
10722 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10723
10724         * tree-ssa-structalias.c (update_alias_info): Change counting of
10725         references to not include vdefs.
10726
10727 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10728
10729         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10730         (up_insert): Ditto.
10731
10732 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10733
10734         * pa.c (pa_commutative_p): Make PLUS commutative when
10735         TARGET_NO_SPACE_REGS is true.
10736
10737 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10738
10739         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10740         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10741         * tree-dfa.c (dump_subvars_for): New.
10742         (debug_subvars_for): New.
10743         (dump_variable): Show subvariables if VAR has them.
10744         * tree-flow-inline.h (get_subvar_at): New.
10745         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10746         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10747         Update all users.
10748         (struct subvar): Change fields offset and size to unsigned
10749         HOST_WIDE_INT.
10750         (dump_subvars_for): Declare.
10751         (debug_subvars_for): Declare.
10752         (get_subvar_at): Declare.
10753         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10754         to unsigned HOST_WIDE_INT *.
10755         (overlap_subvar): Likewise.
10756         * tree-gimple.c (is_gimple_reg): Always return false for
10757         SFTs and memory tags.
10758         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10759         Update all callers.
10760         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10761         (compute_may_aliases): Call compute_points_to_sets.
10762         (collect_points_to_info_for): Remove.
10763         (compute_points_to_and_addr_escape): Remove.
10764         (delete_alias_info): Call delete_points_to_sets.
10765         (compute_flow_sensitive_aliasing): If the call to
10766         find_what_p_points_to returns false, call set_pt_anything.
10767         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10768         (set_pt_anything): Clear pi->pt_vars.
10769         (set_pt_malloc): Remove.
10770         (merge_pointed_to_info): Remove.
10771         (add_pointed_to_expr): Remove.
10772         (add_pointed_to_var): Remove.
10773         (collect_points_to_info_r): Remove.
10774         (is_escape_site): Make extern.
10775         (create_sft): New.
10776         (create_overlap_variables_for): Call it.
10777         * tree-ssa-copy.c (merge_alias_info): Never merge
10778         flow-sensitive alias information.
10779         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10780         offset and size to be unsigned HOST_WIDE_INT.
10781         (add_to_addressable_set): Rename from note_addressable.
10782         Set TREE_ADDRESSABLE as the variables are added to the set.
10783         Update all users.
10784         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10785         operands into VUSEs when adding V_MAY_DEFs for members in an
10786         alias set.
10787         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10788         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10789         (struct variable_info): Add bitfield is_heap_var.
10790         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10791         (new_var_info): Initialize is_heap_var.
10792         (get_constraint_for): Add HEAP variables to the symbol table.
10793         Mark them with is_heap_var.
10794         (update_alias_info): New.  Taken mostly from the old
10795         compute_points_to_and_addr_escape.
10796         (handle_ptr_arith): New.
10797         (find_func_aliases): Call update_alias_info.
10798         Call handle_ptr_info for tcc_binary expressions.
10799         Call mark_stmt_modified.
10800         (create_variable_info_for): If DECL has subvars, do not create
10801         variables for its subvars.  Always add all the fields.
10802         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10803         SFTs, then add all the SFTs of the structure.
10804         If VI->DECL is an aggregate with subvariables, add the SFT at
10805         VI->OFFSET.
10806         (find_what_p_points_to): If VI is an artificial variable,
10807         translate to bitfields in SSA_NAME_PTR_INFO.
10808         If the solution is empty, set pi->pt_vars to NULL
10809         (init_base_vars): Create ANYOFFSET.
10810         (compute_points_to_sets): Rename from create_alias_vars.
10811         Make extern.
10812         (pass_build_pta): Remove.
10813         (delete_points_to_sets): Rename from delete_alias_vars.
10814         (pass_del_pta): Remove.
10815         * tree-ssa-structalias.h (struct alias_info): Move from
10816         tree-ssa-alias.h.
10817         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10818         NUM_REFERENCES_SET): Likewise.
10819         (compute_points_to_sets, delete_points_to_sets): Declare.
10820
10821 2005-07-09  Richard Henderson  <rth@redhat.com>
10822
10823         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10824         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10825         alpha_split_lock_test_and_set_12): New functions.
10826         * config/alpha/alpha-protos.h: Update.
10827         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10828         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10829         * config/alpha/sync.md (I12MODE): New.
10830         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10831         (sync_<fetchop_name><I48MODE>): Likewise.
10832         (sync_nand<I48MODE>): Likewise.
10833         (sync_old_<fetchop_name><I48MODE>): Likewise.
10834         (sync_new_<fetchop_name><I48MODE>): Likewise.
10835         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10836         (sync_compare_and_swap<I48MODE>): Likewise.
10837         (sync_lock_test_and_set<I48MODE>): Likewise.
10838         (sync_compare_and_swap<I12MODE>): New.
10839         (sync_compare_and_swap<I12MODE>_1): New.
10840         (sync_lock_test_and_set<I12MODE>): New.
10841         (sync_lock_test_and_set<I12MODE>_1): New.
10842
10843 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10844
10845         PR 21356
10846         PR 22332
10847         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10848
10849 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10850
10851         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10852         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10853
10854 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10855
10856         PR target/21656
10857         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10858
10859 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10860
10861         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10862         memory_operand constraint.
10863         (store_conditional_<mode>): Same.
10864         (sync_compare_and_swap<mode>): Same.
10865         (sync_lock_test_and_set<mode>): Same.
10866
10867 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10868
10869         Rewrite PIC support to more closely model actual instructions.
10870         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10871         (cris_symbol): Remove prototypes for removed functions.
10872         (cris_pic_symbol_type_of, cris_valid_pic_const)
10873         (cris_expand_pic_call_address): Prototypes for new functions.
10874         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10875         variable.
10876         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10877         modifiers.
10878         <case ':'>: Add case for new punctuation character.
10879         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10880         emitting (extra) PIC modifier.
10881         <case UNSPEC>: Do not assert for PLT.
10882         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10883         (cris_expand_prologue, cris_expand_epilogue): Check
10884         for pic_offset_table_rtx usage instead of taking
10885         current_function_uses_pic_offset_table as the final word.
10886         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10887         Remove flag_pic difference.
10888         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10889         the moral equivalents of...
10890         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10891         functions.
10892         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10893         (cris_handle_option): Mark ARG as unused.
10894         (cris_expand_pic_call_address): New worker function for "call",
10895         "call_value".
10896         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10897         output PIC constructs here.
10898         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10899         as symbol-specific modifers, not whole or part of operands.
10900         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10901         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10902         constants and flag_pic.
10903         (CONSTANT_INDEX_P): Adjust for new functions.
10904         (enum cris_pic_symbol_type): New helper type.
10905         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10906         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10907         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10908         define_constants.
10909         ("movsi"): Emit actual instructions for GOT and relative access.
10910         ("*movsi_got_load"): New pattern to set up the register holding
10911         the GOT pointer.
10912         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10913         Adjust FIXME for 'S'.
10914         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10915         Use "movs" for -fpic cases.
10916         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10917         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10918         ("call", "call_value"): Just call cris_expand_pic_call_address for
10919         PIC addresses.
10920         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10921         Remove special pattern.
10922         ("*expanded_call_side", "*expanded_call_value_side"): New
10923         patterns.
10924         (gotplt-to-plt, gotplt-to-plt-side-call)
10925         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10926         peephole2:s.
10927         * config/cris/cris/predicates.md
10928         ("cris_general_operand_or_gotless_symbol"): Remove unused
10929         predicate.
10930         ("cris_general_operand_or_symbol"): Adjust for new functions.
10931
10932 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10933
10934         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10935
10936 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10937
10938         * Makefile.in (TREE_H): Add treestruct.def.
10939         (c-decl.o): Add pointer-set.h
10940         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10941         visibility on regular DECL's.
10942         (merge_decls): Fix the copying of decl nodes of various types for
10943         the new structures.  Don't update RTL, section name, weak status,
10944         etc, on DECL's without RTL.
10945         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10946         Don't check volatile on non-variable types.
10947         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10948         to check whether we have seen arguments.
10949         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10950         flag is checked before field (flag is common, field is not).
10951         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10952         TS_DECL_COMMON could have an origin.
10953         (add_location_or_const_value_attribute): Don't check section name
10954         on non-var/function decls.
10955         (dwarf2out_var_location): Reverse order of tests.
10956         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10957         with DECL_WRTL_CHECK.
10958         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10959         * fold-const.c (fold_binary): Don't check weakness on
10960         non-var/function decls.
10961         (tree_expr_nonzero_p): Ditto.
10962         (fold_checksum_tree): Use tree_decl_extra as sizeof
10963         buffer.
10964         * ggc-page.c (extra_order_size_table): Add sizes for
10965         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10966         tree_field_decl.
10967         * gimplify.c (gimplify_bind_expr): Only set
10968         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10969         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10970         without RTL.
10971         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10972         * langhooks.h (init_ts). New langhook.
10973         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10974         * print-tree.c (print_node): Update to only print fields that
10975         exist in the structures the passed decl has.
10976         * toplev.c (wrapup_global_declarations): Don't reset
10977         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10978         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10979         * tree-inline.c (remap_decl): Ditto.
10980         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10981         * tree-pretty-print.c (print_declaration): Don't print
10982         DECL_REGISTER on things that don't contain it.
10983         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10984         non-var/function decls.
10985         * tree.c (tree_contains_struct): New structure.
10986         (init_priority_for_decl): New hashtable.
10987         (tree_int_map): New structure.
10988         (tree_int_map_eq): New function.
10989         (tree_int_map_marked_p): Ditto.
10990         (tree_int_map_hash): Ditto.
10991         (tree_map): Move to tree.h.
10992         (tree_map_eq): Externalize.
10993         (tree_map_hash): Ditto.
10994         (tree_map_marked_p): Ditto.
10995         (init_ttree): Set up tree_contains_struct and call langhook.
10996         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10997         (tree_code_size): Update for new structures.
10998         (tree_node_structure): Update for new structures.
10999         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11000         without the field.
11001         (copy_node_stat):  Copy init priority.
11002         (build_decl_stat): Ditto for visibility.
11003         (ts_enum_names): New.
11004         (tree_contains_struct_check_failed): New function.
11005         (decl_init_priority_lookup): Ditto.
11006         (decl_init_priority_insert): Ditto.
11007         * treestruct.def: New file.
11008         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11009         (CONTAINS_STRUCT_CHECK): Ditto.
11010         (tree_contains_struct_check_failed): New prototype.
11011         (DECL_CHECK): Removed.
11012         (DECL_MINIMAL_CHECK): New.
11013         (DECL_COMMON_CHECK): Ditto.
11014         (DECL_WRTL_CHECK): Ditto.
11015         (DECL_NON_COMMON_CHECK): Ditto.
11016         (DECL_WITH_VIS_CHECK): Ditto.
11017         (VAR_OR_FUNCTION_DECL_P): Ditto
11018         (struct tree_decl_minimal): New structure.
11019         (struct tree_decl_common): Ditto.
11020         (struct tree_decl_with_rtl): Ditto.
11021         (struct tree_decl_with_vis): Ditto.
11022         (struct tree_decl_non_common): Ditto.
11023         (struct tree_field_decl): Ditto.
11024         (struct tree_parm_decl): Ditto.
11025         (struct tree_var_decl): Ditto.
11026         (struct tree_function_decl): Ditto.
11027         (struct tree_const_decl): Ditto.
11028         (struct tree_result_decl): Ditto.
11029         (union tree_node): Add new structures.
11030         * var-tracking.c (track_expr_p): Reverse order of tests.
11031
11032         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11033
11034 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11035
11036         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11037         * system.h: Poison FINALIZE_PIC.
11038         * doc/tm.texi (FINALIZE_PIC): Remove.
11039
11040 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11041
11042         PR tree-opt/22329
11043         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11044         to the correct type if we have a MODIFY_EXPR.
11045
11046 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11047
11048         PR tree-optimization/22360
11049         * tree.c (upper_bound_in_type): Fix calculations for casting
11050         to a non-wider signed type and casting a signed value to a
11051         wider unsigned type.
11052         (lower_bound_in_type): Fix calculations for casting to a
11053         non-wider signed type.
11054
11055         PR tree-optimization/20139
11056         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11057         release_defs.
11058         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11059         fold_cond_expr_cond.
11060         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11061         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11062
11063 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11064
11065         PR tree-opt/22356
11066         * tree-complex.c (expand_complex_libcall): Produce
11067         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11068
11069 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11070
11071         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11072         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11073         b" assert and inserted fastpath code for this case.
11074         (bitmap_ior): Removed "a != b" assert.
11075
11076 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11077
11078         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11079         (ENDFILE_SPEC): Likewise.
11080         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11081
11082         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11083         a large stack frame at epilogue.
11084
11085 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11086
11087         * final.c: Include sdbout.h when required.
11088
11089 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11090
11091         * config.gcc (*-*-darwin*): Only one target-specific header file
11092         for generic darwin.
11093         (powerpc-*-darwin*): Add version-specific header files.
11094         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11095         * config.in: Regenerate.
11096         * configure: Regenerate.
11097         * gcc.c: Include xregex.h.
11098         (version_compare_spec_function): New.
11099         (spec_function): Add version-compare.
11100         (replace_outfile_spec_function): Reformat comment.
11101         (compare_version_strings): New.
11102         * config/darwin-c.c (version_as_macro): New.
11103         (builtin_define): New.
11104         (darwin_cpp_builtins): New.
11105         * config/darwin-protos.h (darwin_cpp_builtins): New.
11106         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11107         (LIB_SPEC): Make unconditional, update comment.
11108         (TARGET_C99_FUNCTIONS): Define.
11109         * config/darwin.opt: Sort.
11110         (mmacosx-version-min=): New.
11111         * config/darwin7.h: Delete.
11112         * config/darwin8.h: Delete.
11113         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11114         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11115         (TARGET_C99_FUNCTIONS): Define.
11116         * config/rs6000/darwin7.h: New.
11117         * config/rs6000/darwin8.h: New.
11118         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11119         (-mmacosx-version-min): Document.
11120
11121 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11122
11123         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11124
11125 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11126
11127         PR middle-end/22239
11128         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11129
11130 2005-07-07  Khem Raj  <kraj@mvista.com>
11131
11132         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11133         in bytes, not words.
11134
11135 2005-07-07  Paul Brook  <paul@codesourcery.com>
11136
11137         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11138         DEFAULT_FUNCTION_ARG_PADDING to upward.
11139
11140 2005-07-07  Richard Henderson  <rth@redhat.com>
11141
11142         * function.c (locate_and_pad_parm): Record parameter alignment in
11143         stack_alignment_needed.
11144
11145 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11146
11147         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11148         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11149         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11150         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11151         (define_attr "type"): Add isync, sync, load_l, store_c.
11152         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11153         Create scratch volatile MEM.
11154         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11155         sync.
11156         (load_locked_<mode>): New.
11157         (store_conditional_<mode>): New.
11158         (sync_compare_and_swap<mode>): Replace with splitter.
11159         (sync_lock_test_and_set<mode>): Replace with splitter.
11160         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11161         and UNSPECV_ISYNC.
11162         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11163         is ics.  Attribute isync.
11164         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11165         lwsync.
11166         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11167         and UNSPECV_SYNC_OP.
11168         (emit_unlikely_jump): New.
11169         (emit_load_locked): New.
11170         (emit_store_conditional): New.
11171         (rs6000_split_compare_and_swap): New.
11172         (rs6000_split_lock_test_and_set): New.
11173         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11174         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11175         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11176         rs6000_split_lock_test_and_set): Declare.
11177         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11178         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11179         store_c, isync, sync.
11180
11181 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11182
11183         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11184         filenames to gtyp-gen.h.
11185         (s-typ-gen): Use it in place of for loops.
11186
11187 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11188
11189         * hooks.c (hook_bool_rtx_int_false): New function.
11190         * hooks.h (hook_bool_rtx_int_false): Declare.
11191         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11192         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11193         * target.h (struct gcc_target): Add commutative_p member.
11194         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11195         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11196         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11197         (pa_commutative_p): New function.
11198         * jump.c (target.h): Include.
11199         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11200         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11201
11202 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11203
11204         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11205         (s390_expand_setmem): New.
11206         * config/s390/s390.c: Likewise.
11207         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11208         Adapt comments.
11209         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11210         general_operand.  Call new function "s390_expand_setmem".
11211         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11212         ("setmem_long", "*setmem_long"): ... this.
11213
11214 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11215
11216         * config/s390/s390.c: (optimization_options): Enable
11217         TARGET_MVCLE at -Os.
11218         * doc/invoke.texi: Document changes in default behaviour.
11219         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11220
11221 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11222
11223         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11224         defined by back-end.
11225
11226 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11227
11228         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11229         all sets in the pattern.
11230         * config/rs6000/rs6000.md (stack_protect_testsi,
11231         stack_protect_testdi): Likewise.
11232
11233 2005-07-06  Jeff Law  <law@redhat.com>
11234
11235         * tree-vrp.c (simplify_using_ranges): Kill.
11236         (vrp_finalize): Remove call to simplify_using_ranges.
11237         (simplify_stmt_using_ranges): New function extracted from
11238         simplify_using_ranges.
11239         (simplify_div_or_mod_using_ranges): Likewise.
11240         (simplify_abs_using_ranges): Likewise.
11241         (simplify_cond_using_ranges): New function.
11242         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11243         * tree-ssa-propagate.c (substitute_and_fold): Call
11244         simplify_stmt_using_ranges if we have range information.
11245
11246 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11247
11248         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11249         ia64_flag_schedule_isns2.
11250
11251         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11252         reading/writing general registers.
11253         (ia64_function_arg): Revert 2005-06-18 change.
11254
11255 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11256
11257         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11258         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11259
11260 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11261
11262         * function.c (expand_function_end): Revert part of 2005-06-27
11263         patch.  Do sjlj_emit_function_exit_after after return_label.
11264
11265 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11266
11267         * doc/install.texi (--disable-libssp): New.
11268
11269 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11270
11271         * doc/invoke.texi: Update -fforce-mem documentation.
11272         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11273         code for -fforce-mem.
11274         * expmed.c: (store_bit_field,store_fixed_bit_field,
11275         extract_bit_field): Ditto.
11276         * expr.c: (convert_move): Ditto.
11277         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11278         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11279         emit_conditional_add,expand_float,expand_fix): Ditto.
11280         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11281         (common_handle_option): Issue warning when -fforce-mem specified.
11282
11283 2005-07-06  Paul Brook  <paul@codesourcery.com>
11284
11285         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11286         argument is empty.
11287         * configure: Regenerate.
11288
11289 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11290
11291         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11292
11293 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11294
11295         Fix PR tree-optimization/22319
11296         Fix PR tree-optimization/22140
11297         Fix PR tree-optimization/22310
11298
11299         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11300         variable sized types.
11301         Use correct type for intermediate structure on *a = *b structure
11302         copies.
11303
11304 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11305
11306         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11307         Remove.
11308         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11309         (machine_function): Move typedef to...
11310         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11311         varargs_save_offset field.
11312         (rs6000_stack_t): Remove varargs_size field.
11313         (setup_incoming_varargs): Allocate varargs save area using
11314         assign_stack_local, try to make it as small as possible.
11315         Save offset from virtual_stack_vars_rtx to the save area
11316         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11317         instead of magic 8 when fp word byte size is used.
11318         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11319         instead of -RS6000_VARARGS_SIZE.
11320         (rs6000_stack_info, debug_stack_info,
11321         rs6000_initial_elimination_offset): Remove all traces of
11322         varargs_size.
11323         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11324         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11325         RS6000_VARARGS_AREA.
11326
11327 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11328
11329         PR tree-optimization/21963
11330         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11331         constant_multiple_of in the same way get_computation_cost_at does.
11332
11333 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11334
11335         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11336         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11337         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11338         and return its previous value.
11339         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11340         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11341         constants.
11342         (stack_protect_set, stack_protect_test): New expanders.
11343         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11344         stack_protect_testdi): New insns.
11345         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11346         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11347
11348 2005-07-06  Jeff Law  <law@redhat.com>
11349
11350         * tree-ssa-dce.c (cfg_altered): New global.
11351         (tree_dce_init): Initialize cfg_altered.
11352         (remove_dead_stmt): If we remove an edge in the CFG, then set
11353         CFG_ALTERED.
11354         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11355         the dominators.
11356
11357 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11358
11359         * Makefile.in (stamp-collect-ld): Use
11360         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11361         ./collect-ld if it already exists.
11362         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11363         Don't remove ./nm if it already exists.
11364
11365 2005-07-05  Devang Patel  <dpatel@apple.com>
11366
11367         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11368         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11369         * tree-vectorizer.c (vect_loop_location): New.
11370         (vect_print_dump_info): Use vect_loop_location.
11371         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11372         (vectorize_loops): Set vect_loop_location.
11373         * tree-vect-analyze.c (vect_analyze_offset_expr,
11374         vect_determin_vectorization_factor, vect_analyze_operations,
11375         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11376         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11377         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11378         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11379         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11380         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11381         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11382         vect_analyze_loop): Adjust vect_print_dump_info API.
11383         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11384         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11385         vect_finish_stmt_generation, vectorizable_assignment,
11386         vectorizable_operation, vectorizable_store, vectorizable_load,
11387         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11388         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11389         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11390         vect_transform_loop): Same.
11391         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11392         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11393         Same.
11394
11395 2005-07-05  Randolph Chung  <tausq@debian.org>
11396
11397         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11398         * configure: Regenerate.
11399         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11400         (pa_tls_referenced_p): Declare.
11401         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11402         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11403         (legitimize_tls_address): New.
11404         (hppa_legitimize_address): Handle TLS addresses.
11405         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11406         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11407         (emit_move_sequence): Handle TLS addresses.
11408         (pa_encode_section_info): Call default handler to handle common
11409         sections.
11410         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11411         (CONSTANT_ADDRESS_P): Reject TLS operands.
11412         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11413         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11414         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11415         (UNSPEC_TLSLE): Define new constants.
11416         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11417         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11418         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11419         (tie_symbolic_operand, tle_symbolic_operand): New
11420
11421 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11422
11423         * aclocal.m4: Update macros for autoconf 2.59 style.
11424         * configure.ac: Likewise.
11425
11426 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11427
11428         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11429         (function_arg): Pass small aggregates in general registers on 32-bit
11430         targets.
11431         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11432
11433 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11434
11435         * Makefile.in (final.o): Fix dependencies.
11436
11437 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11438
11439         PR c/22013
11440         PR c/22098
11441         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11442         * langhooks.c (lhd_expr_to_decl): New.
11443         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11444         New.
11445         (LANG_HOOKS_INITIALIZER): Update.
11446         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11447         expr_to_decl langhook.
11448         * c-tree.h (c_expr_to_decl): Declare.
11449         * c-typeck.c (c_expr_to_decl): New.
11450         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11451         specially.
11452         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11453
11454 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11455
11456         PR c/22308
11457         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11458         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11459
11460 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11461
11462         * Makefile.in: Adjust dependencies.
11463         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11464         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11465         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11466         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11467         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11468         rest_of_compilation.
11469
11470         * bb-reorder.c (gate_duplicate_computed_gotos,
11471         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11472         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11473         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11474         pass_partition_blocks): New.
11475         * bt-load.c (gate_handle_branch_target_load_optimize,
11476         rest_of_handle_branch_target_load_optimize,
11477         pass_branch_target_load_optimize): New.
11478         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11479         pass_jump2): New.
11480         * cfglayout.c (pass_insn_locators_initialize): New.
11481         * cfgrtl.c (pass_free_cfg): New.
11482         * combine.c (gate_handle_combine, rest_of_handle_combine,
11483         pass_combine): New.
11484         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11485         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11486         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11487         * except.c (pass_set_nothrow_function_flags,
11488         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11489         pass_rtl_eh): New.
11490         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11491         rest_of_handle_shorten_branches, pass_shorten_branches,
11492         rest_of_clean_state, pass_clean_state): New.
11493         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11494         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11495         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11496         pass_flow2): New.
11497         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11498         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11499         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11500         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11501         pass_gcse): New.
11502         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11503         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11504         pass_rtl_ifcvt, gate_handle_if_after_combine,
11505         rest_of_handle_if_after_combine, pass_if_after_combine,
11506         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11507         pass_if_after_reload): New.
11508         * integrate.c (pass_initial_value_sets): New.
11509         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11510         pass_purge_lineno_notes): New.
11511         * mode-switching.c (rest_of_handle_mode_switching,
11512         pass_mode_switching): New.
11513         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11514         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11515         pass_loop2): New.
11516         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11517         pass_loop_optimize): New.
11518         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11519         pass_sms): New.
11520         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11521         pass_gcse2): New.
11522         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11523         pass_postreload_cse): New.
11524         * profile.c (gate_handle_profiling, pass_profiling,
11525         rest_of_handle_branch_prob, pass_branch_prob): New.
11526         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11527         pass_split_before_regstack, gate_handle_split_before_regstack,
11528         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11529         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11530         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11531         pass_stack_regs): New.
11532         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11533         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11534         pass_stack_adjustments): New.
11535         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11536         pass_regrename): New.
11537         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11538         pass_delay_slots, gate_handle_machine_reorg,
11539         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11540         * rtl.h (extern void purge_line_number_notes): New.
11541         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11542         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11543         pass_sched2): New.
11544         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11545         pass_tracer): New.
11546         * value-prof.c (gate_handle_value_profile_transformations,
11547         rest_of_handle_value_profile_transformations,
11548         pass_value_profile_transformations): New.
11549         * var-tracking.c (gate_handle_var_tracking,
11550         pass_variable_tracking): New.
11551         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11552
11553         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11554         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11555         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11556         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11557         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11558         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11559         rest_of_handle_gcse2, rest_of_handle_regmove,
11560         rest_of_handle_tracer, rest_of_handle_if_conversion,
11561         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11562         rest_of_handle_web, rest_of_handle_branch_prob,
11563         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11564         rest_of_handle_jump_bypass, rest_of_handle_combine,
11565         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11566         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11567         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11568         rest_of_handle_mode_switching, rest_of_handle_jump,
11569         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11570         rest_of_handle_flow2, rest_of_handle_jump2,
11571         rest_of_handle_peephole2, rest_of_handle_postreload,
11572         rest_of_handle_shorten_branches, rest_of_clean_state,
11573         rest_of_compilation): Remove.
11574
11575         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11576         * passes.c (dump_flags, in_gimple_form, all_passes,
11577         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11578         register_dump_files, next_pass_1, last_verified, execute_todo,
11579         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11580         from tree-optimize.c.
11581         (init_optimization_passes): Moved from tree-optimize.c,
11582         adding the RTL optimizations.
11583         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11584         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11585         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11586         register_dump_files, next_pass_1, last_verified, execute_todo,
11587         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11588         init_tree_optimization_passes, ipa_passes): Delete.
11589         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11590         the RTL dumps.
11591         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11592         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11593         from tree.h.
11594         (ipa_passes): Remove.
11595         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11596         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11597         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11598         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11599         (dump_info_p, dump_flag): Moved to tree-dump.h.
11600
11601         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11602         cgraph.c, opts.c.
11603         * passes.c (finish_optimization_passes): Use dump_begin
11604         and dump_end, TDI_end.
11605         (gate_rest_of_compilation): New.
11606         (pass_rest_of_compilation): Use it.
11607         (gate_postreload, pass_postreload): New.
11608         * toplev.c (general_init): Rename init_tree_optimization_passes.
11609         * toplev.h (init_tree_optimization_passes): Rename to
11610         init_optimizations_passes.
11611         * tree-dump.c (dump_flag): Make static.
11612         (dump_files): Remove RTL dumps.
11613         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11614         pass_cleanup_cfg, pass_free_cfg_annotations,
11615         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11616         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11617         * tree-pretty-print.c: Include tree-pass.h.
11618         * cgraph.c: Include tree-dump.h.
11619
11620 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11621
11622         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11623         Only fall back to saying it points to readonly memory if
11624         we can't do better.
11625
11626 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11627
11628         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11629         * config/m32r/m32r.c (m32r_compute_frame_size,
11630         m32r_expand_prologue): Take current_function_profile into
11631         account whenever we reference
11632         current_function_uses_pic_offset_table.
11633         (m32r_finalize_pic): Remove.
11634         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11635
11636 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11637
11638         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11639         instead of $<.  Don't remove ./as if it already exists.
11640
11641 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11642
11643         PR target/21723
11644         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11645         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11646         for complex modes when generating code for PA 1.0.
11647         (VALID_FP_MODE_P): New macro.
11648         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11649         sets for all general and floating point modes.  Align wide floating
11650         point modes to even register boundaries to comply with architectural
11651         requirements.
11652         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11653         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11654         (VALID_FP_MODE_P): New macro.
11655         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11656         sets for all general and floating point modes.  Align wide floating
11657         point modes to even register boundaries to comply with architectural
11658         requirements.
11659
11660 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11661
11662         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11663         to 0.
11664
11665 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11666
11667         * tree-ssa-structalias.c: Don't include expr.h.
11668
11669 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11670
11671         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11672         comments.
11673
11674 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11675
11676         Fix PR tree-optimization/22279
11677
11678         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11679         correct operator.
11680
11681 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11682
11683         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11684
11685 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11686
11687         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11688         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11689         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11690         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11691         config/stormy16/stormy16.c, config/v850/v850.c,
11692         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11693         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11694         Avoid "." or "\n" at end of diagnostics and capital letters at
11695         start of diagnostics.
11696         * combine.c, cse.c: Don't translate dump file output.
11697         * toplev.c (print_version): Only translate output if going to
11698         stderr.
11699
11700 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11701
11702         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11703         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11704         typos.
11705
11706 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11707
11708         * pa.c (fix_range): Fix typo in comment.
11709
11710 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11711
11712         * tree-vrp.c (extract_range_from_assert): Replace
11713         fold (build (...)) with fold_build2.
11714
11715 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11716
11717         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11718         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11719         (format_types_orig, handle_format_attribute): Add support for
11720         format "gcc_gfc".
11721
11722 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11723
11724         * varasm.c (assemble_variable): Fix format specifier thinko.
11725
11726 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11727
11728         PR tree-optimization/22029 (and 22135)
11729         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11730         a phi node before calling dump_vops.
11731
11732 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11733
11734         * tree-dump.h (dump_string_field): Declare.
11735         * tree-dump.c: Use it instead of dump_string.
11736         (dump_string_field): Make non-static.
11737
11738 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11739
11740         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11741         up the minimal CFG stuff always when optimize > 0.  Call
11742         split_all_insns_noflow in PIC case if needed.
11743
11744 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11745             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11746
11747         PR c++/18279
11748         * c-decl.c (c_write_global_declarations): Dump contents of
11749         external scope to.
11750         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11751         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11752         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11753         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11754         is enabled.
11755
11756 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11757
11758         * c-common.h (GCC_DIAG_STYLE): Define.
11759         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11760         version for format checking to 4.1.
11761         * c-format.c: Include toplev.h after c-common.h.
11762         (enum format_type): Add gcc_tdiag_format_type.
11763         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11764         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11765         (format_types_orig): Add gcc_tdiag.
11766         (init_dynamic_diag_info): Support gcc_tdiag formats.
11767         (handle_format_attribute): Likewise.
11768         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11769         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11770         version for format checking to 4.1.
11771         (warning0, warning, error, pedwarn, sorry): Use
11772         ATTRIBUTE_GCC_DIAG.
11773         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11774         (finish_aliases_1): Do not use %qE.
11775         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11776         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11777         Correct format bugs.
11778         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11779         parameter to unsigned HOST_WIDE_INT.
11780         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11781
11782 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11783
11784         PR middle-end/21742
11785         * expr.c (write_complex_part): Use adjust_address for MEM.
11786         (read_complex_part): Same.
11787
11788 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11789
11790         Fix PR tree-optimization/22280
11791
11792         * tree-sra.c (generate_element_init): Remove useless loop.
11793
11794 2005-07-02  Richard Henderson  <rth@redhat.com>
11795
11796         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11797         TLS_MODEL_NONE.
11798         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11799
11800 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11801
11802         PR middle-end/14490
11803         * fold-const.c (fold_binary): Handle the return value of
11804         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11805         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11806
11807 2005-07-02  Jeff Law  <law@redhat.com>
11808
11809         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11810         a eliminate type conversion which feeds an equality comparison
11811         if the original type or either operand in the comparison is a
11812         function pointer.
11813
11814 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11815
11816         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11817         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11818         texts.
11819         * config/avr/avr.c: Do not use '`' as left quote.
11820         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11821         Remove "." from end of diagnostics.  Make diagnostics start with
11822         lowercase letter.
11823
11824 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11825             Joseph S. Myers  <joseph@codesourcery.com>
11826
11827         * toplev.c (default_tree_printer): Handle setting location with
11828         '+' flag.
11829         * c-objc.common.c (c_tree_printer): Likewise.
11830         * c-format.c (gcc_diag_flag_specs): Add '+'.
11831         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11832         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11833         formats.
11834         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11835         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11836         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11837         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11838         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11839         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11840         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11841         format arguments where %J is used without %D.
11842
11843 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11844
11845         * gcc.c (LINK_SSP_SPEC): Define.
11846         (link_ssp_spec): New variable.
11847         (LINK_COMMAND_SPEC): Add %(link_ssp).
11848         (static_specs): Add link_ssp_spec.
11849         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11850         * configure: Rebuilt.
11851         * config.in: Rebuilt.
11852
11853         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11854         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11855         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11856         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11857         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11858         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11859         -0x7008(2) instead of reading __stack_chk_guard variable.
11860         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11861         number.
11862         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11863         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11864         if TARGET_THREAD_SSP_OFFSET is defined.
11865         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11866         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11867
11868         Revert:
11869         2005-06-27  Richard Henderson  <rth@redhat.com>
11870         * libgcc-std.ver (GCC_4.1.0): New.
11871         * libgcc.h (__stack_chk_guard): Declare.
11872         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11873         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11874         * mklibgcc.in (lib2funcs): Add them.
11875
11876 2005-07-01  Richard Henderson  <rth@redhat.com>
11877
11878         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11879         void * before struct sigcontext *.
11880         (x86_fallback_frame_state): Likewise.
11881
11882 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11883
11884         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11885
11886 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11887
11888         PR tree-opt/22269
11889         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11890         we check for SSA_NAME for.
11891
11892 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11893
11894         Fix PR tree-optimization/22071
11895
11896         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11897         function.
11898         (get_constraint_for_component_ref): Use it.
11899
11900 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11901
11902         PR other/22264
11903         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11904         print out the last new line.
11905
11906 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11907
11908         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11909         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11910         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11911         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11912         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11913         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11914         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11915         (enum reg_class): New member CC0_REGS.
11916         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11917         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11918         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11919         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11920         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11921         Adjust for register now described.
11922
11923 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11924
11925         PR target/22262
11926         * config/i386/i386.md (stack_protect_test_si,
11927         stack_protect_test_di): Add earlyclobber for scratch 3.
11928         * config/rs6000/rs6000.md (stack_protect_testsi,
11929         stack_protect_testdi): Add earlyclobber for scratch 3,
11930         remove earlyclobber from scratch 4.
11931
11932 Older entries for 2005 can be found in ChangeLog-2005.