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PR other/25028
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
2
3         PR other/25028
4         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
5         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
6         __floatunditf): Use #error if type sizes don't match requirements
7         of implementation.
8         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
9         as wider floating-point type.  Use #error if type sizes don't
10         match requirements of implementation.  Avoid overflow in computing
11         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
12         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
13         (__floatundisf, __floatundidf): Likewise.
14         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
15         * config/ia64/ia64.c (ia64_init_libfuncs): Use
16         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
17         TFmode-TImode conversions.
18         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
19
20 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
21
22         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
23         Use builtin_define_with_int_value() instead of
24         adding a new check for every new major FreeBSD version.
25
26 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
27
28         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
29
30 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
31
32         * config/arm/predicates.md (call_memory_operand): New.
33         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
34
35 2005-12-15  Andrew Haley  <aph@redhat.com>
36
37         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
38         against prev_cache_entry == NULL when moving a cache entry to the
39         head of the list.
40         
41 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
42
43         * config/mt/mt.c (mt_override_options): Require lower case
44         architectures.  Revert accidental default to ms2.
45         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
46         ENDFILE_SPEC): Require lower case architectures.  Revert default
47         to ms2.
48
49         * doc/invoke.texi (MT Options): Rename and update.
50         * doc/md.texi (MorphoTech family): Rename and update.
51
52 2005-12-15  Olivier Hainque  <hainque@adacore.com>
53
54         * stor-layout.c (layout_type): Don't complain about a too small
55         an array element type size compared to its alignment when the
56         size overflows.
57
58 2005-12-15  Jan Hubicka  <jh@suse.cz>
59
60         PR target/24969
61         * i386.c (classify_argument): Properly adjust offset of bitfield for
62         substructures.
63
64 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
65
66         * final.c (final_scan_insn): Flip in_cold_section_p when changing
67         between the hot and cold sections.  Use current_function_section
68         to get the new section.
69         * dwarf2out.c (output_line_info): Use in_cold_section_p to
70         determine whether we are assembling hot or cold code.
71         (secname_for_decl, dwarf2out_var_location): Likewise.
72         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
73         * varasm.c (last_text_section): Delete.
74         (in_cold_section_p): New variable.
75         (hot_function_section): New function.
76         (current_function_section): Pass in_cold_section_p as the
77         reloc argument to select_section.  Use it to decide between
78         unlikely_function_section and hot_function_section.
79         (assemble_start_function): Use switch_to_section.  Set
80         in_cold_section_p instead of last_text_section.
81         (assemble_end_function): Use switch_to_section.
82         (switch_to_section): Don't set last_text_section.
83         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
84         argument to make the right choice between hot and cold sections.
85
86 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
87
88         Second part of MS1->MT renaming
89         * config/mt/mt.md (doloop_end): Call mt_add_loop.
90         (movqi, movhi): Call mt_set_memflags.
91         (*movdf_internal): Call mt_split_words. 
92         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
93         mt_set_memflags.
94         (cmpsi): Store to mt_compare_op[01].
95         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
96         bungt, bunle, bunlt): Call mt_emit_cbranch.
97         (prologue): Call mt_expand_prologue.
98         (epilogu): Call mt_expend_epilogue.
99         (eh_return): Call mt_expand_eh_return.
100         (eh_epilogue): Call me_emit_eh_epilogue.
101         (conditional_trap): Store to mt_compare_op[01].
102         * config/mt/crti.asm: Adjust comment.
103         * config/mt/crtn.asm: Adjust comment.
104         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
105         (mt_compare_op0, mt_compare_op1): Renamed.
106         (current_frame_info, zero_frame_info): Adjust type.
107         (mt_ucmpsi3_libcall): Renamed.
108         (mt_flag_delayed_branch): Renamed.
109         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
110         (mt_nops_required, mt_nop_reasons): Renamed.
111         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
112         mt_debug_stack, mt_print_operand_simple_address,
113         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
114         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
115         mt_function_arg_advance, mt_arg_partial_bytes,
116         mt_pass_by_reference, mt_function_arg_boundary,
117         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
118         mt_legitimate_address_p): Renamed, adjusted.
119         (mt_cpu): Renamed.
120         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
121         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
122         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
123         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
124         mt_expand_eh_return, mt_emit_eh_prologue,
125         mt_handl_interrupt_attribute): Renamed, adjusted.
126         (mt_attribute_table): Renamed, adjusted.
127         (mt_initial_elimination_offset, mt_generate_compare,
128         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
129         mt_secondary_reload_class, mt_function_value, mt_split_words,
130         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
131         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
132         (mt_labels): Renamed.
133         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
134         mt_machine_reorg): Renamed, adjusted.
135         (mt_attribute_table: Renamed.
136         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
137         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
138         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
139         * config/mt/mt.opt (march): Set mt_cpu_string.
140         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
141         (TARGET_CPU_CPP_BUILTINS): Adjust.
142         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
143         TARGET_MS2): Adjust.
144         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
145         (MT_MIN_INT): Renamed.
146         (RETURN_ADDR_RTX): Adjust.
147         (struct mt_frame_info): Renamed.
148         (current_frame_info): Adjust type.
149         (INITIAL_ELIMINATION_OFFSET): Adjust.
150         (MT_NUM_ARG_REGS): Renamed.
151         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
152         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
153         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
154         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
155         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
156         (mt_compare_op0, mt_compare_op1): Renamed.
157         * config/mt/mt-protos.h: Rename prototypes.
158
159 2005-12-15  Richard Guenther  <rguenther@suse.de>
160
161         * tree-flow.h (okay_component_ref_for_subvars): Remove.
162         (get_ref_base_and_extent): Declare.
163         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
164         (get_ref_base_and_extent): New function.
165         * tree-ssa-alias.c (find_used_portions): Use it.
166         * tree-ssa-structalias.c (get_constraint_for_component_ref):
167         Likewise.
168         * tree-ssa-operands.c (get_expr_operands): Likewise.
169
170 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
171
172         * combine.c: Remove force_to_mode's fourth parameter.
173         (force_to_mode): Do not handle REG.
174         (canon_reg_for_combine): New.
175         (make_field_assignment): Use it where the removed argument was non-NULL.
176
177 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
178
179         PR target/25406
180         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
181         error_mark_node.  Make alignment params unsigned.
182         * config/rs6000/rs6000-protos.h
183         (rs6000_special_round_type_align): Update prototype.
184         (rs6000_machopic_legitimize_pic_address): Remove arg names.
185
186 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
187
188         PR rtl-optimization/25310
189         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
190         of the eliminable register when substituting into a PLUS.
191
192 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
193
194         PR debug/25023
195         * config/i386/i386.c (ix86_force_to_memory): Always use
196         SImode push for HImode in -m32.
197         (ix86_free_from_memory): Likewise.
198
199 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
200
201         * gcc/config/arm/arm.md: Provide a big-endian version of the
202         (zero_extend:SI (subreg:QI ...)) splitter.
203
204 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
205
206         * struct-equiv.c (note_local_live): Handle hard regs with different
207         hard_regno_nregs.
208
209 2005-12-14  Jeff Law  <law@redhat.com>
210
211         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
212         to a structure containing state rather than a pointer to bool.
213         (case ARRAY_REF): New code to handle folding some array references.
214         (case ADDR_EXPR): Note when we are processing expressions found
215         within an ADDRE_EXPR.
216         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
217         for state variables rather than just a pointer to a boolean.
218         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
219         handling of constant string references.
220
221 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
222
223         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
224         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
225         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
226         Move other tst* patterns to retain partial order.
227
228 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
229
230         * config/s390/s390.md ("d0", "1"): New mode attributes.
231         ("<shift>di3", "<shift>si3"): Merge.
232         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
233         ("ashrdi3", "ashrsi3"): Merge.
234         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
235         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
236         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
237         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
238         ("*ashrdi3", "*ashrsi3"): Merge.
239         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
240
241 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
242
243         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
244         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
245         ("*extendqidi2", "*extendqisi2") Merge.
246         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
247         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
248         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
249         Move some patterns to retain partial ordering.
250
251 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
252
253         * config/s390/s390.md ("atype", "length"): Rewrite.
254         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
255
256 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
257
258         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
259
260 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
261
262         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
263         PARALLELs with a mode.
264
265 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
266
267         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
268         cond_expr parameter.
269
270 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
271
272         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
273
274 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
275
276         PR bootstrap/25397:
277
278         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
279         of STACK_REGS bits.
280
281         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
282
283 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
284
285         PR target/25254
286         PR target/24188
287         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
288         DECL_P, call get_section rather than get_named_section.  Supply
289         section flags to it.
290
291 2005-12-14  Ben Elliston  <bje@au.ibm.com>
292
293         * c-common.c (c_common_truthvalue_conversion): Generalise warning
294         for addresses converted to booleans; not just function addresses.
295         * c-typeck.c (build_binary_op): Warn for address comparisons which
296         can never be NULL (eg. func == NULL or &var == NULL).
297         * common.opt (Walways-true): New option.
298         * c-opts.c (c_common_handle_option): Set it with -Wall.
299         * doc/invoke.texi: Document it.
300
301 2005-12-13  Paul Brook  <paul@codesourcery.com>
302
303         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
304         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
305
306 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
307
308         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
309         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
310
311         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
312         (EXTRA_MULTILIB_PARTS): Define.
313
314 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
315
316         PR rtl-optimization/20070 / part1
317         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
318         count_or_remove_death_notes with kill == -1.
319         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
320         registers if PROP_POST_REGSTACK is set.
321         (mark_used_reg): Likewise.
322         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
323         REG_UNUSED notes for stack regs.
324         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
325         to match rtx_equiv_p machinery.  Change caller.
326         (outgoing_edges_match): Likewise.
327         (try_crossjump_to_edge): Use struct_equiv_block_eq
328         instead of flow_find_cross_jump.
329         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
330         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
331         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
332         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
333         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
334         (insns_match_p): Update prototype.
335         (flow_find_cross_jump): Remove prototype.
336         (struct_equiv_block_eq, struct_equiv_init): Declare.
337         (rtx_equiv_p, condjump_equiv_p): Likewise.
338         * struct-equiv.c: Include reload.h.
339         (IMPOSSIBLE_MOVE_FACTOR): Define.
340         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
341         (struct_equiv_improve_checkpoint): Likewise.
342         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
343         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
344         (struct_equiv_merge, find_dying_input): Likewise.
345         (resolve_input_conflict, note_local_live): Likewise.
346         (death_notes_match_p): Change parameters and processing
347         to match rtx_equiv_p machinery.  Change caller.
348         (insns_match_p): Likewise.
349         (flow_find_cross_jump): Replace with:
350         (struct_equiv_block_eq).
351
352         Back out this change:
353         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
354           * recog.c (verify_changes): Make it static.
355           * recog.h: Remove the corresponding prototype.
356
357 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
358
359         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
360         values.
361
362 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
363
364         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
365         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
366         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
367         TARGET_MS1_64_001 appropriately.
368         (ms1_machine_reorg): Use TARGET_MS2.
369
370 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
371
372         PR debug/25023
373         PR target/25293
374         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
375         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
376         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
377         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
378         Set mode to SI, adjust constraints.
379         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
380         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
381         32-bit code.
382
383 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
384
385         * c-cppbuiltin.c (builtin_define_float_constants): Add
386         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
387         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
388         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
389         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
390         to "((double)%sL)" otherwise "%s".
391
392 2005-12-13  Paul Brook  <paul@codesourcery.com>
393
394         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
395         apcs/atpcs.
396
397 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
398
399         * tree-flow.h: Allow compilation with a C++ compiler.
400         (struct edge_prediction): Prefix all field names  with "ep_".
401         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
402         (tree_predict_edge, combine_predictions_for_bb): Likewise.
403         (remove_predictions_associated_with_edge): Likewise.
404         
405 2005-12-12  Jeff Law  <law@redhat.com>
406
407         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
408         reassociation code.
409         * passes.c (init_optimization_passes): Run reassociation again
410         after loop optimizations.
411
412 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
413
414         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
415         if necessary.
416         (optimize_stmt): Ditto.
417         (canonicalize_comparison): New function.
418         * tree-ssa-operands.c (swap_tree_operands): Make external.
419         (get_expr_operands): Stop auto-canonicalization.
420         * tree-ssa-reassoc.c: Rewrite.
421         (init_optimization_passes): 
422         * tree-flow.h (swap_tree_operands): Prototype.
423         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
424
425 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
426
427         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
428         indicate function epilogue has been output.
429         (pa_asm_output_mi_thunk): Likewise.
430         (output_deferred_plabels): Put plabels in readonly data section when
431         not generating PIC code.
432         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
433         information.  Add assert.
434         (som_output_comdat_data_section_asm_op): New function.
435         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
436         instead of output_section_asm_op for COMDAT sections.
437
438 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
439
440         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
441         Fix whitespace in vincinity of to-be-installed changes.
442         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
443         (insns_match_p): Likewise.
444
445 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
446
447         * config.gcc (ms1): Replace with ...
448         (mt): ... this.
449         * config/ms1: Rename to ...
450         * config/mt: ... here.  Rename ms1 files to mt.
451         * config/mt/mt.c: Adjust gt-mt.h #include.
452         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
453         (crti.o, crtn.o): Adjust file names.
454
455 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
456
457         * varray.h: Allow compilation with a C++ compiler.
458         (union varray_data_tag): Prefix all field names with "vdt_".
459         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
460         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
461         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
462         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
463         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
464         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
465         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
466         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
467         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
468         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
469         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
470         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
471         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
472         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
473         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
474         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
475         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
476         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
477         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
478         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
479         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
480         VARRAY_TOP_TREE_PTR): Likewise.
481         * varray.c (varray_grow): Likewise.
482         (varray_clear): Likewise.
483
484 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
485
486         PR target/25299
487         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
488         alignment to doubleword if the first field is a double array.
489         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
490
491 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
492
493         * tree-ssa-structalias.c (process_constraint): Remove code to
494         transform addressofs into scalar.
495         (create_variable_info_for): In whole-program IPA, globals don't
496         point to ANYTHING by default.
497
498 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
499
500         * timevar.def (TV_IPA_PTA): New.
501         * tree-pass.h (pass_ipa_pta): New
502         * tree-ssa-structalias.c: Include cgraph.h
503         (in_ipa_mode): New.
504         (predbitmap_obstack): New.
505         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
506         (struct constraint_stats): Add num_edges.
507         (new_var_info): Don't call bitmap_clear.
508         (struct constraint_edge): Update docs.
509         (new_constraint_edge): Remove src param.
510         (struct constraint_graph): Add zero_weight_succs,
511         zero_weight_preds.  Update docs.
512         (constraint_expr_equal): Reformat.
513         (constraint_edge_equal): Update for removal of src.
514         (constraint_edge_less): Ditto.
515         (constraint_edge_vec_find): Ditto.
516         (erase_graph_self_edge): Update for removal of src and and zero
517         weight bitmap.
518         (clear_edges_for_node): Ditto.
519         (add_graph_edge): Ditto.
520         (get_graph_weights): Ditto.
521         (allocate_graph_weights): Ditto.
522         (merge_graph_nodes): Ditto.
523         (int_add_graph_edge): Ditto.
524         (valid_graph_edge): Ditto.
525         (valid_weighted_graph_edge): Ditto.
526         (build_constraint_graph): Ditto.
527         (scc_visit): Ditto.
528         (collapse_nodes): Ditto.
529         (process_unification_queue): Ditto.
530         (topo_visit): Ditto.
531         (solve_graph): Ditto.
532         (do_structure_copy): Ditto.
533         (perform_var_substitution): Ditto.
534         Init and release obstack.
535         (handle_ptr_arith): Try to resolve directly.
536         (find_func_aliases): Don't call update_alias_info here
537         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
538         (do_sd_constraint): Add code for propagating faster.
539         Update.
540         (do_ds_constraint): Ditto.
541         (count_num_arguments): New function.
542         (create_function_info_for): Ditto.
543         (create_variable_info_for): Handle FUNCTION_DECL.
544         (intra_create_variable_infos): Use make_constraint_to_anything.
545         (init_alias_vars): Init obstacks here.
546         (need_to_solve): Handle zero weight graph changes.
547         (compute_points_to_sets): Call update_alias_info here.
548         (delete_points_to_sets): Free zero weight preds/succs here.
549         (gate_ipa_pta): New.
550         (ipa_pta_execute): New
551
552 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
553
554         * tree-ssa-structalias.c (var_anyoffset): Removed.
555         (anyoffset_tree): Ditto.
556         (anyoffset_id): Ditto.
557         (do_deref): Take vector of constraints, no return value.
558         Update to work on vector.                
559         (get_constraint_for): Ditto.
560         (get_constraint_for_component_ref): Ditto.
561         (do_structure_copy): Ditto.
562         (handle_ptr_arith): Ditto.
563         (find_func_aliases): Ditto.
564         (set_uids_in_ptset): Remove anyoffset handling.
565         (init_base_vars): Ditto.
566
567 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
568
569         PR c++/25010
570         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
571         DECL_EXTERNAL functions have no bodies.  Tidy.
572
573 2005-12-10  Andreas Schwab  <schwab@suse.de>
574
575         * except.c (switch_to_exception_section): Only define if
576         TARGET_UNWIND_INFO is not defined.
577
578 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
579
580         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
581         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
582
583 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
584
585         * output.h (init_section, fini_section): Delete.
586         * varasm.c (init_section, fini_section): Delete.
587         (init_varasm_once): Don't initialize them.
588         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
589         there are no corresponding varasm.c variables.
590
591 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
592
593         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
594         of EH_FRAME_SECTION_NAME into...
595         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
596         if it is still null.
597         * except.c (default_exception_section): Delete, moving most
598         of the code to...
599         (switch_to_exception_section): ...this new function.  Set
600         exception_section if it is still null, then switch to it.
601         (output_function_exception_table): Use switch_to_exception_section.
602         * varasm.c (exception_section, eh_frame_section): Update comments.
603         (get_section): Hoist use of SECTION_NAMED.
604         (init_varasm_once): Don't set exception_section and eh_frame_section.
605         * output.h (default_exception_section): Delete.
606         (default_eh_frame_section): Delete.
607
608 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
609
610         * config/bfin/bfin.c: Include "cgraph.h".
611         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
612         Return the reg that holds the pointer to the GOT.
613         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
614         doing stack checking.
615
616 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
617
618         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
619         recompute_tree_invarant_for_addr_expr.
620         Update uses everywhere.
621
622 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
623
624         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
625         (MULTILIB_DIRNAMES): Define.
626
627 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
628
629         PR target/25311
630         * config/s390/s390.c (struct s390_address): New field literal_pool.
631         (s390_decompose_address): Compute literal_pool field.  Do not 
632         assume register %r13 is always (and solely) used as pool base.
633         (s390_extra_constraint_str): Use literal_pool field.
634
635 2005-12-09  Thiemo Seufer  <ths@networkno.de>
636
637         * config/mips/mips.c (override_options): Don't allow too small
638         integers in FP registers.
639
640 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
641
642         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
643         targetm.binds_local_p to check for local function calls.
644
645 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
646
647         PR debug/24908
648         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
649         call_used_regs can't be used to save reg in another reg.
650
651 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
652             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
653
654         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
655         abort.
656         * except.c (output_ttype): Likewise.
657         * tree-object-size.c (collect_object_sizes_for): Likewise.
658         (check_for_plus_in_loops_1): Likewise.
659         (check_for_plus_in_loops): Likewise.
660         (compute_object_sizes): Use gcc_unreachable instead of abort.
661
662 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
663
664         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
665         (loop_end, loop_init, doloop_end): New insns.
666         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
667         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
668         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
669         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
670         * config/ms1/ms1.c: #include basic-block.h
671         (struct machine_function): Add has_loops field.
672         (ms1_add_loop): New.
673         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
674         (struct loop_info, struct loop_work): New.
675         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
676         (ms1_reorg_loops): New loop optimization.
677         (ms1_machine_reorg): Call it.
678         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
679
680 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
681
682         PR tree-optimization/25248
683         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
684         evolution_of_loop from the failed attempt.  Remove handling
685         of MULT_EXPR.
686
687 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
688
689         * tree.h (DECL_EXTERNAL): Clarify documentation.
690
691 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
692             Jakub Jelinek  <jakub@redhat.com>
693
694         PR target/25268
695         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
696         argument.  Don't drop outer ANDs.
697         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
698         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
699         prototype.
700         * config/s390/predicates.md (setmem_operand): Remove.
701         (shift_count_operand): Rename to...
702         (shift_count_or_setmem_operand): ... this.  Adjust
703         s390_decompose_shift_count caller.
704         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
705         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
706         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
707         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
708         rotl<mode>3_and, setmem_long_and): New insns.
709         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
710         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
711         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
712         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
713         of shift_count_operand.
714         (setmem_long): Use shift_count_or_setmem_operand instead of
715         setmem_operand.
716
717 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
718             Andreas Tobler  <a.tobler@schweiz.ch>
719
720         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
721         tr expression.
722
723 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
724
725         * expr.c (force_operand): Use convert_to_mode for conversions.
726
727 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
728
729         * reload.h (reg_equiv_invariant): Declare.
730         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
731         register also when reg_equiv_invariant[R] is set.
732
733 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
734             Andreas Tobler  <a.tobler@schweiz.ch>
735
736         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
737
738 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
739
740         * tree-ssa-pre.c (bitmap_set_and): New function.
741         (bitmap_set_and_compl): New function.
742         (bitmap_set_empty_p): New function.
743         (insert_extra_phis): New function.
744         (compute_avail): Use insert_extra_phis.
745
746 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
747
748         * config/s390/s390.c (s390_expand_atomic): New function.
749         Adjust comment of helper functions.
750         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
751         * config/s390/s390.md ("ATOMIC"): New code macro.
752         ("atomic"): Corresponding new code attribute.
753         ("sync_lock_test_and_set[hq]i", 
754         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
755
756 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
757
758         * config/s390/s390.c (s390_expand_mask_and_shift, 
759         struct alignment_context, init_alignment_context, 
760         s390_expand_cs_hqi): New.
761         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
762         * config/s390/s390.md ("sync_compare_and_swaphi",
763         "sync_compare_and_swapqi"): New pattern.
764
765 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
766
767         Fix PR tree-optimization/25291
768         * tree-ssa-operands.c (add_call_clobber_ops): Remove
769         redundant and crashing check.
770
771 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
772
773         PR target/25212
774         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
775         tests further when !strict && reload_in_progress.
776         (print_operand): Check that both operands of indexed address are regs.
777         (print_operand_address): Likewise.
778         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
779         (INT_REG_OK_FOR_BASE_P): Correct.
780
781 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
782
783         Preparation for PR rtl-optimization/20070 / part1
784         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
785         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
786         outgoing_edges_match.
787         (outgoing_edges_match): Use condjump_equiv_p.
788         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
789         into..
790         * struct-equiv.c: New file.
791         (death_notes_match_p) New function, broken out of insns_match_p.
792         * Makefile.in (OBJS-common): Add struct-equiv.o.
793         (struct-equiv.o): New target.
794
795 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
796
797         * coretypes.h: Revert previous change.
798         * config/darwin.h: Revert previous reversion.
799         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
800
801 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
802
803         * coretypes.h (section): Provide dummy definition for target files.
804         * config/darwin.h: Revert previous change.
805
806 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
807
808         * doc/sourcebuild.texi (all.build, install-normal): Remove.
809         * configure.ac: Remove all.build and install-normal from target_list
810         * configure: Regenerate.
811         * Makefile.in (install): Don't depend on install-normal.
812
813 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
814
815         * Makefile.in: Document the use of stamps.
816
817 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
818
819         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
820         * Makefile.in: Add code to compute some dependencies on s-gtype
821         automatically.  Remove the declaration of those dependencies.
822
823 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
824
825         * gcc/reload.c (push_secondary_reload): Fix typo:
826         s/insn_constraint/scratch_constraint/.
827
828 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
829
830         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
831
832 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
833
834         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
835         (alpha_elf_select_rtx_section): Return the selected section rather
836         than emitting assembly code.
837         (alpha_write_linkage): Emit a ".link" directive directly and then
838         set in_section to NULL.
839         (vms_asm_out_constructor): Use switch_to_section.
840         (vms_asm_out_destructor): Likewise.
841         (unicosmk_output_common): Set in_section to NULL instead of calling
842         the dummy common_section function.
843         (unicosmk_text_section): Delete in favor of...
844         (unicosmk_output_text_section_asm_op): ...this new function.
845         (unicosmk_data_section): Delete in favor of...
846         (unicosmk_output_data_section_asm_op): ...this new function.
847         (unicosmk_init_sections): New function.
848         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
849         (unicosmk_output_ssib): Set in_section to NULL instead of calling
850         the dummy ssib_section function.
851         (unicosmk_section_buf): Delete.
852         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
853         (unicosmk_data_section): Delete.
854         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
855         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
856         (SECTION_FUNCTION_TEMPLATE): Delete.
857         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
858         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
859         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
860         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
861         (TARGET_ASM_INIT_SECTIONS): Define.
862         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
863         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
864         (link_section, literals_section): Delete.
865         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
866         set in_section to NULL.
867
868         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
869         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
870         (COMMON_SECTION): Delete.
871         (TARGET_ASM_INIT_SECTIONS): Define.
872         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
873         the dummy common_section function.
874         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
875         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
876         between readonly_data_section and text_section to check whether
877         read-only data is being put in the text section.
878         (arm_output_function_epilogue): Use switch_to_section.
879         (arm_elf_asm_constructor): Likewise.
880         (thumb_call_via_reg): Replace call to in_text_section with
881         a comparison between in_section and text_section.
882         (arm_file_end): Use switch_to_section.
883         (aof_text_section): Delete in favor of...
884         (aof_output_text_section_asm_op): ...this new function.
885         (aof_data_section): Delete in favor of...
886         (aof_output_data_section_asm_op): ...this new function.
887         (aof_asm_init_sections): New function.
888         (zero_init_section): Moved from config/arm/aof.h.
889         (aof_dump_imports, aof_file_start): Use switch_to_section.
890         * config/arm/arm.h (thumb_call_via_label): Update comment.
891         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
892         (common_section): Delete.
893         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
894         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
895         global switch_to_section function instead of the old port-local one.
896         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
897         (SWITCH_TO_SECTION_FUNCTION): Delete.
898         (drectve_section): Redefine as a macro.
899         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
900         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
901         switch_to_section.
902
903         * config/avr/avr.c (progmem_section): New variable.
904         (avr_output_progmem_section_asm_op): New function.
905         (avr_asm_init_sections): New function.
906         (avr_output_addr_vec_elt): Use switch_to_section.
907         * config/avr/avr.h (progmem_section): Declare.
908         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
909         (READONLY_DATA_SECTION): Delete.
910         (TARGET_ASM_INIT_SECTIONS): Define.
911         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
912         * config/avr/avr-protos.h (progmem_section): Delete.
913
914         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
915
916         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
917         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
918
919         * config/darwin-sections.def: New file.
920         * config/darwin.c: Define all sections in darwin-sections.def.
921         (output_objc_section_asm_op, darwin_init_sections): New functions.
922         (machopic_output_indirection): Use switch_to_section.
923         (machopic_select_section): Return the selected section rather than
924         emitting assembly code.  Replace the static function table with
925         inline conditional expressions.  Update the tests of last_text_section
926         and move them into the FUNCTION_DECL block.
927         (machopic_select_rtx_section): Return the selected section rather than
928         emitting assembly code.
929         (machopic_asm_out_constructor, machopic_asm_out_destructor)
930         (darwin_file_end): Use switch_to_section.
931         * config/darwin.h: Use darwin-sections.def to declare sections.
932         (INIT_SECTION_ASM_OP): Remove empty definition.
933         (HAS_INIT_SECTION): Define this instead.
934         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
935         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
936         (TARGET_ASM_EH_FRAME_SECTION): Delete.
937         (TARGET_ASM_INIT_SECTIONS): Define.
938         * config/darwin-protos.h (darwin_init_sections): Declare.
939         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
940         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
941         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
942         (constructor_section, destructor_section, mod_init_section): Delete.
943         (mod_term_section): Delete.
944         (darwin_exception_section, darwin_eh_frame_section): Delete.
945         (machopic_select_section): Return a section.
946         (machopic_select_rtx_section): Likewise.
947         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
948         (const_section, const_coal_section, const_data_section): Delete.
949         (const_data_coal_section, data_coal_section, cstring_section): Delete.
950         (literal4_section, literal8_section, constructor_section): Delete.
951         (mod_init_section, mod_term_section, destructor_section): Delete.
952         (objc_class_section, objc_meta_class_section, objc_category_section)
953         (objc_class_vars_section, objc_instance_vars_section): Delete.
954         (objc_cls_meth_section, objc_inst_meth_section): Delete.
955         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
956         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
957         (objc_symbols_section, objc_module_info_section): Delete.
958         (objc_image_info_section, objc_protocol_section): Delete.
959         (objc_string_object_section, objc_constant_string_object_section)
960         (objc_class_names_section, objc_meth_var_names_section): Delete.
961         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
962         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
963         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
964         (darwin_exception_section, darwin_eh_frame_section): Delete.
965         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
966
967         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
968         (frv_asm_out_destructor): Likewise.
969         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
970         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
971         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
972         get_named_section.
973         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
974         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
975         (data_section): Delete.
976
977         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
978         (DRECTVE_SECTION_FUNCTION): Delete.
979         (drectve_section): Redefine as a macro that sets in_section after
980         emitting the directive.
981         (SWITCH_TO_SECTION_FUNCTION): Delete.
982         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
983         in_text_section with comparison between in_section and text_section.
984         * config/i386/i386.c (x86_64_elf_select_section): Return the section
985         rather than emitting assembly code.  Use get_named_section.
986         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
987         get_named_section.
988         (machopic_output_stub): Use switch_to_section.
989         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
990         (nwld_named_section_asm_out_destructor): Use get_section and
991         switch_to_section.
992
993         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
994         rather than emitting assembly code.
995         (ia64_rwreloc_select_section): Likewise.
996         (ia64_rwreloc_select_rtx_section): Likewise.
997         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
998         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
999         switch_to_section.
1000         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1001         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1002
1003         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1004         section rather than emitting assembly code.
1005         (iq2000_select_section): Likewise.
1006         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1007         (sbss_section): Delete.
1008
1009         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1010         and get_named_section.
1011         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1012
1013         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1014         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1015         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1016         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1017         in_section to NULL.
1018         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1019         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1020         global switch_to_section function instead of the old port-local one.
1021         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1022         (SWITCH_SECTION_FUNCTION): Delete.
1023         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1024         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1025         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1026         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1027         in_section to NULL.
1028         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1029         global switch_to_section function instead of the old port-local one.
1030         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1031
1032         * config/mips/mips.c (mips_file_start): Update comment.
1033         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1034         (mips_output_aligned_decl_common): Use switch_to_section.
1035         (mips_select_rtx_section): Return the section rather than emitting
1036         assembly code.  Use get_named_section.
1037         (mips_function_rodata_section: Likewise get_section.
1038         (build_mips16_function_stub): Use switch_to_section.
1039         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1040         (SDATA_SECTION_ASM_OP): Delete.
1041         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1042         (EXTRA_SECTION_FUNCTIONS): Delete.
1043
1044         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1045         (mmix_asm_output_aligned_local): Use switch_to_section.
1046
1047         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1048         (som_one_only_readonly_data_section): New variables.
1049         (pa_output_function_epilogue): Set in_section to NULL instead of
1050         calling forget_section.
1051         (output_deferred_plabels): Use select_section.
1052         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1053         of calling forget_section.
1054         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1055         (pa_asm_output_aligned_local): Use select_section.
1056         (som_text_section_asm_op): Delete in favor of...
1057         (som_output_text_section_asm_op): ...this new function.
1058         (pa_som_asm_init_sections): New function.
1059         (pa_select_section): Return the section rather than emitting
1060         assembly code.
1061         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1062         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1063         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1064         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1065         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1066         (som_readonly_data_section, som_one_only_readonly_data_section)
1067         (som_one_only_data_section, forget_section): Delete.
1068         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1069         (TARGET_ASM_INIT_SECTIONS): Define.
1070         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1071
1072         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1073         (private_data_section, read_only_private_data_section): New variables.
1074         (sdata2_section, toc_section): New variables.
1075         (rs6000_file_start): Use switch_to_section.
1076         (rs6000_assemble_integer): Use comparisons against in_section
1077         instead of calling in_toc_section and in_text_section.  Use
1078         unlikely_text_section_p.
1079         (rs6000_elf_output_toc_section_asm_op): New function, derived
1080         from the old rs6000/sysv4.h toc_section function.
1081         (rs6000_elf_asm_init_sections): New function.
1082         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1083         the section rather than emitting assembly code.
1084         (machopic_output_stub): Use switch_to_section.
1085         (toc_section): Delete dummy function.
1086         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1087         switch_to_section and get_section.
1088         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1089         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1090         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1091         the old rs6000/xcoff.h toc_section function.
1092         (rs6000_xcoff_asm_init_sections): New function.
1093         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1094         the section rather than emitting assembly code.
1095         (rs6000_xcoff_file_start): Use switch_to_section.
1096         (rs6000_xcoff_file_end): Likewise.
1097         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1098         (sdata2_section, sbss_section, private_data_section): Delete.
1099         (read_only_data_section, read_only_private_data_section): Delete.
1100         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1101         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1102         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1103         (FINI_SECTION_FUNCTION): Delete.
1104         (TARGET_ASM_INIT_SECTIONS): Define.
1105         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1106         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1107         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1108         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1109         (READONLY_DATA_SECTION): Delete.
1110         (TARGET_ASM_INIT_SECTIONS): Define.
1111         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1112         to NULL rather than no_section.
1113         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1114
1115         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1116
1117         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1118         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1119         from call to current_function_section.
1120
1121         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1122         (bss100_section): New variable.
1123         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1124         (xstormy16_asm_init_sections): New function.
1125         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1126         switch_to_section and get_section.
1127         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1128         from calls to current_function_section.
1129         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1130         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1131         (TARGET_ASM_INIT_SECTIONS): Define.
1132         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1133
1134         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1135         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1136         (FINI_SECTION_FUNCTION): Delete.
1137
1138         * config/v850/v850.c: Include gt-v850.h.
1139         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1140         (zbss_section): New variables.
1141         (v850_output_aligned_bss): Use switch_to_section.
1142         (v850_asm_init_sections): New function.
1143         (v850_select_section): Return the section rather than emitting
1144         assembly code.
1145         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1146         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1147         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1148         (TARGET_ASM_INIT_SECTIONS): Define.
1149         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1150         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1151         (zbss_section): Delete.
1152
1153         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1154
1155         * config/vx-common.h (vxworks_exception_section): Delete.
1156         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1157
1158         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1159         section rather than emitting assembly code.
1160         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1161         switch_to_section.
1162
1163         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1164         * coretypes.h (section): New union and typedef.
1165         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1166         from call to current_function_section.
1167         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1168         (dbxout_symbol_location): Use switch_to_section.
1169         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1170         most of the code into...
1171         (default_eh_frame_section): ...here.  Return a section.
1172         (collect2_eh_frame_section): Delete, moving most of the code into..
1173         (switch_to_eh_frame_section): ...this new function.
1174         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1175         (debug_macinfo_section, debug_line_section, debug_loc_section)
1176         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1177         variables.
1178         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1179         eh_frame_section.  Use switch_to_section and get_section.
1180         (dwarf2out_begin_prologue): Use switch_to_section.
1181         (AT_string_form): Check the flags in debug_str_section instead of
1182         DEBUG_STR_SECTION_FLAGS.
1183         (output_comp_unit): Use switch_to_section, get_section, and
1184         debug_info_section.
1185         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1186         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1187         from call to current_function_section.
1188         (dwarf2out_var_location): Use unlikely_text_section_p.
1189         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1190         from call to current_function_section.
1191         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1192         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1193         debug_macinfo_section.
1194         (dwarf2out_init): Initialize the new section variables.  Use them
1195         instead of calls to named_section_flags.  Use switch_to_section.
1196         (output_indirect_string): Use switch_to_section and debug_str_section.
1197         (dwarf2out_finish): Use switch_to_section and the new section
1198         variables.
1199         * except.c (default_exception_section): Return the section instead
1200         of emitting assembly code.
1201         (output_function_exception_table): Use the global exception_section
1202         variable instead of the target hook.  Use switch_to_section.  Remove
1203         argument from call to current_function_section.
1204         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1205         (shorten_branches): Use pointer comparisons to detect whether the
1206         text section is the same as readonly_data_section.
1207         (profile_function): Use switch_to_section.  Remove argument from
1208         call to current_function_section.
1209         (final_scan_insn): Likewise.  Update use of last_text_section.
1210         * gengtype.c (open_base_files): Add an include of output.h.
1211         * output.h (text_section, data_section, readonly_data_section)
1212         (ctors_section, dtors_section, bss_section, init_section)
1213         (fini_section, sdata_section): Turn into section pointers.
1214         (in_text_section, in_unlikely_text_section, exports_section)
1215         (drectve_section, named_section, mergeable_string_section)
1216         (last_text_section_name): Delete.
1217         (default_exception_section, default_eh_frame_section): Return sections.
1218         (SECTION_DECLARED, SECTION_NAMED): New macros.
1219         (SECTION_MACH_DEP): Bump value.
1220         (section_common, named_section, unnamed_section): New structures.
1221         (unnamed_section_callback): New typedef.
1222         (section): New union.
1223         (sbss_section, exception_section, eh_frame_section): New variables.
1224         (in_section, last_text_section): Turn into section pointers.
1225         (get_unnamed_section, get_section, get_named_section): New functions.
1226         (mergeable_constant_section, function_section): Return a section.
1227         (unlikely_text_section): Likewise.
1228         (current_function_section): Likewise.  Remove the decl argument.
1229         (unlikely_text_section_p, switch_to_section): New functions.
1230         (output_section_asm_op): New function.
1231         (set_named_section_flags, named_section_flags, named_section_real)
1232         (named_section_first_declaration): Delete.
1233         (default_select_section, default_elf_select_section): Return a section.
1234         (default_elf_select_section_1, default_function_rodata_section)
1235         (default_no_function_rodata_section, default_select_rtx_section)
1236         (default_elf_select_rtx_section): Likewise.
1237         * rtl.h (in_data_section): Delete.
1238         * sdbout.c (sdbout_one_type): Use switch_to_section.
1239         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1240         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1241         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1242         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1243         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1244         (TARGET_ASM_OUT): Update after above changes.
1245         * target.h (init_sections): New hook.
1246         (exception_section, eh_frame_section): Delete.
1247         (select_section, select_rtx_section, function_rodata_section): Return
1248         a section rather than emitting assembly code.
1249         * varasm.c (text_section, data_section, readonly_data_section)
1250         (ctors_section, dtors_section, bss_section, init_section)
1251         (fini_section): Turn into section pointers.
1252         (sdata_section, sbss_section, exception_section): New variables.
1253         (eh_frame_section): New variable.
1254         (in_section): Make global and turn into a section pointer.
1255         (last_text_section): Turn into a section pointer.
1256         (unnamed_sections): New variable.
1257         (in_named_name, last_text_section_name): Delete.
1258         (EXTRA_SECTION_FUNCTIONS): Delete.
1259         (in_named_entry): Delete.
1260         (section_htab): New variable, replacing...
1261         (in_named_htab): ...this deleted variable.
1262         (section_entry_eq, section_entry_hash): New functions, based on...
1263         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1264         (get_unnamed_section, get_section): New functions.
1265         (unlikely_text_section): Return a section instead of emitting
1266         assembly code.
1267         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1268         (get_named_section_flags, named_section_first_declaration): Delete.
1269         (unlikely_text_section_p): New function.
1270         (named_section_real, named_section): Delete.
1271         (get_named_section): New function.
1272         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1273         (function_section): Return a section rather than emitting
1274         assembly code.
1275         (current_function_section): Likewise.  Remove argument.  Use
1276         last_text_section if nonnull, otherwise use function_section.
1277         (default_function_rodata_section): Return a section rather than
1278         emitting assembly code.  Use get_section.
1279         (default_no_function_rodata_section): Return a section rather than
1280         emitting assembly code.
1281         (variable_section): Use switch_to_section and get_named_section.
1282         (mergeable_string_section): Return a section rather than emitting
1283         assembly code.  Use get_section.  Make static.  Don't take special
1284         countermeasures for empty strings.
1285         (mergeable_constant_section): Return a section rather than emitting
1286         assembly code.  Use get_section.
1287         (default_named_section_asm_out_destructor): Use switch_to_section
1288         and get_section.
1289         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1290         (default_named_section_asm_out_constructor): Use switch_to_section
1291         and get_section.
1292         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1293         (assemble_start_function): Likewise.  Set last_text_section to
1294         NULL rather than no_section.  Change the type of save_section.
1295         (assemble_zeros, assemble_variable): Use the section flags to detect
1296         whether or not a section is text.
1297         (assemble_static_space): Use switch_to_section.
1298         (assemble_trampoline_template): Likewise.
1299         (output_constant_def_contents): Use switch_to_section and
1300         get_named_section.
1301         (output_constant_pool_1): Use switch_to_section.  Use the section
1302         flags to see whether sections contain mergeable data.
1303         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1304         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1305         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1306         whether a section has already been declared.
1307         (default_select_section, default_elf_select_section): Return a
1308         section rather than emitting assembly code.
1309         (default_elf_select_section_1): Likewise.  Use bss_section for
1310         SECCAT_BSS if nonnull.  Use get_named_section.
1311         (default_select_rtx_section): Return a section rather than
1312         emitting assembly code.
1313         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1314         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1315         (output_section_asm_op, switch_to_section): New functions.
1316         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1317         get_named_section.
1318
1319         * doc/tm.texi: Expand the introduction to the sections documentation.
1320         (TRAMPOLINE_SECTION): Document new interface.
1321         (SDATA_SECTION_ASM_OP): Document new macro.
1322         (READONLY_DATA_SECTION): Delete.
1323         (SDATA_SECTION_ASM_OP): Document new macro.
1324         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1325         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1326         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1327         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1328         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1329
1330 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1331
1332         * gcc.c (init_gcc_specs): Match braces inside conditionally
1333         compiled strings.
1334
1335 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1336
1337         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1338
1339 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1340
1341         PR C++/24138
1342         * tree.c (integer_all_onesp): Always return true if all bits on.
1343
1344         * testsuite/g++.dg/init/array0.C: New.
1345
1346 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1347
1348         * doc/md.texi: Adapt to implementation.
1349
1350 2005-12-06  Andreas Schwab  <schwab@suse.de>
1351
1352         * opts.c (decode_options): Fix typo in message.
1353
1354 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1355
1356         PR other/13873
1357         * longlong.h: Merge PPC tests from upstream.
1358
1359 2005-12-06  Richard Guenther  <rguenther@suse.de>
1360
1361         * fold-const.c (fold_convert): Do not build and fold
1362         CONVERT_EXPR, but always use NOP_EXPR.
1363
1364 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1365
1366         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1367         __builtin_ia32_paddq and __builtin_ia32_subq.
1368         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1369         __builtin_ia32_pshufw.
1370         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1371
1372 2005-12-05  James E Wilson  <wilson@specifix.com>
1373
1374         PR target/24934
1375         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1376         is set.
1377
1378 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1379         
1380         * print-tree.c (print_node): Ditto.
1381         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1382         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1383         before accessing DECL_ARTIFICIAL. 
1384         Handle new tag tree codes.
1385         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1386         changes.
1387         (unmodifiable_var_p): Ditto.
1388         * tree-flow.h (mem_tag_kind): Remove.
1389         (struct var_ann_d): Remove mem_tag_kind member.
1390         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1391         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1392         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1393         (group_aliases): Ditto.
1394         (setup_pointers_and_addressables): Ditto.
1395         (is_escape_site): Ditto.                                          
1396         (may_alias_p): Ditto.
1397         (create_tag_raw): New function.
1398         (create_memory_tag): Use it.
1399         (dump_alias_info): Update for tags.
1400         (may_be_aliased): Ditto.
1401         (add_type_alias): Ditto.
1402         (new_type_alias): Ditto.
1403         (create_sft): Ditto.
1404         (create_structure_vars): Ditto.
1405         * tree-ssa-ccp.c (get_default_value): Ditto.
1406         * tree-ssa-operands.c (get_expr_operands): Ditto.
1407         (add_stmt_operand): Ditto.
1408         (add_call_clobber_ops): Remove duplicated condition.
1409         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1410         tags.
1411         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1412         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1413         * tree.c (init_ttree): Update structures for new tree codes.
1414         (tree_code_size): Update sizes for new tree codes.
1415         (make_node_stat): Don't try to set common things on minimal
1416         structures.
1417         (tree_node_structure): Update for tags.
1418         (is_global_var): Ditto.
1419         * tree.def: Add new tree codes.
1420         * tree.h (MTAG_P): New macro.
1421         (TREE_MEMORY_TAG_CHECK): Ditto.
1422         (SSA_VAR_P): Update for tags.
1423         (struct tree_memory_tag): New structure.
1424         (MTAG_GLOBAL): New macro.
1425         (union tree_node): Add memory tag member.
1426         * treestruct.def (TS_MEMORY_TAG): New.
1427         
1428 2005-12-05  Dale Johannesen  <dalej@apple.com>
1429
1430         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1431         what was approved (PR 24323).
1432
1433 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1434
1435         * doc/c-tree.texi (Function Bodies): Remove description of
1436         RETURN_INIT.
1437
1438 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1439
1440         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1441         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1442         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1443         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1444         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1445         __divxc3): Document.
1446
1447 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1448
1449         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1450         previous behaviour.
1451         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1452         hook_bool_void_false.
1453         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1454         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1455
1456         * config/darwin.c (machopic_select_section): It's not defined
1457         as weak if it's only marked as weak_import.
1458         
1459         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1460         Prototype.
1461
1462         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1463         A hidden weak object does bind locally.  Strong linkonce data
1464         counts like any other strong symbol for binding.
1465         (weak_finish_1): Don't specially handle weakrefs, they no longer
1466         arrive here.
1467         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1468         * c-common.c (handle_alias_attribute): Allow static aliases
1469         of variables.
1470         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1471         * gthr-dce.h: Make weakrefs static.
1472         * gthr-tpf.h: Likewise.
1473         * gthr-solaris.h: Likewise.
1474         * gthr-posix.h: Likewise.
1475         * gthr-posix95.h: Likewise.
1476         * config/darwin.c (darwin_encode_section_info): static weakref
1477         variables are not necessarily defined in this translation unit.
1478         * doc/extend.texi (Function Attributes): Mention that an alias
1479         attribute creates a definition for the thing it's attached to.
1480         Change the documentation for weakref to say that the thing
1481         it's attached to must be static.
1482
1483         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1484         we don't go into an infinite loop.
1485
1486 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1487
1488         * config/rs6000/predicates.md (logical_const_operand): Split
1489         out of logical_operand.
1490         (logical_operand): Use it.
1491         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1492         logical_const_operand.
1493
1494 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1495
1496         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1497         and IX86_BUILTIN_CMPNESS.
1498         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1499         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1500         * config/i386/i386.md (movti_internal): Correct type attribute.
1501         Simplify mode attribute.
1502         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1503         Correct type attribute.
1504         (absxf2): Correct operator.
1505         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1506         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1507         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1508         mode attribute.
1509         (sse2_vmsqrtv2df2): Correct mode attribute.
1510
1511 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1512
1513         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1514         16 bits. Provide insn pattern for this case.
1515
1516 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1517
1518         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1519         result.
1520         (__popcountDI2): Likewise.
1521
1522 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1523
1524         PR target/25166
1525         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1526         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1527         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1528         functions.
1529
1530 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1531
1532         * c-typeck.c (null_pointer_constant_p): New function.
1533         (build_conditional_expr, build_c_cast, convert_for_assignment,
1534         build_binary_op): Use it.
1535
1536 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1537
1538         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1539         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1540         CONVERT_EXPR.
1541         (check_function_arguments_recurse): Allow both NOP_EXPR and
1542         CONVERT_EXPR but check conversions preserve precision.
1543         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1544         but check conversions preserve precision.
1545         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1546         default case.
1547
1548 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1549
1550         PR c/7776
1551         * common.opt (Wstring-literal-comparison): New command line option.
1552         * c-opts.c (c_common_handle_option): Set it with -Wall.
1553         * c-typeck.c (parser_build_binary_op): Issue warning if either
1554         operand of a comparison operator is a string literal, except for
1555         testing equality or inequality against NULL.
1556
1557         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1558
1559 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1560
1561         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1562         of building a NOP_EXPR.
1563         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1564         NOP_EXPR.
1565         * c-convert.c (convert): Use fold_convert instead of building
1566         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1567         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1568         #if 0 code.
1569         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1570         NOP_EXPR the same as CONVERT_EXPR.
1571         * c-typeck.c (build_function_call): Use fold_convert instead of
1572         building a NOP_EXPR directly.
1573         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1574
1575 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1576
1577         PR rtl-optimization/25197
1578         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1579         have a reg.
1580
1581 2005-12-02  Stuart Hastings  <stuart@apple.com>
1582
1583         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1584         warning.
1585
1586 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1587
1588         * c-typeck.c (default_function_array_conversion,
1589         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1590         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1591         orig_op2.  Don't check them for NOP_EXPR.
1592         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1593         around integer zero.
1594
1595 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1596
1597         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1598         toc_save_offset, toc_size, lr_size.
1599         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1600         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1601         Adjust for removal of unused rs6000_stack_t fields.
1602         (debug_stack_info): Adjust.
1603         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1604         first, and don't bother checking for set/inc of lr on sibcalls.
1605         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1606
1607 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1608
1609         PR target/25199
1610         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1611         5 if operand 1 is not aligned.  Undo previous constraint change.
1612         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1613
1614 2005-12-02  Richard Guenther  <rguenther@suse.de>
1615
1616         * tree.h (build): Remove prototype.
1617         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1618         * tree.c (build): Remove.
1619         (build0_stat): Update comment.
1620
1621 2005-12-02  Richard Guenther  <rguenther@suse.de>
1622
1623         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1624         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1625         Likewise.
1626         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1627         maybe_fold_offset_to_component_ref): Likewise.
1628         * tree-ssa-dom.c (thread_across_edge,
1629         simplify_rhs_and_lookup_avail_expr,
1630         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1631         Likewise.
1632         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1633         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1634         lower_try_finally_switch): Likewise.
1635         * tree-if-conv.c (add_to_dst_predicate_list,
1636         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1637         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1638         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1639         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1640         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1641         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1642         gimplify_init_ctor_eval, gimplify_init_constructor,
1643         gimplify_variable_sized_compare, gimplify_boolean_expr,
1644         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1645         gimplify_expr, gimplify_body, gimplify_function_tree,
1646         force_gimple_operand): Likewise.
1647         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1648         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1649         mx_register_decls): Likewise.
1650         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1651         get_frame_field, finalize_nesting_tree_1): Likewise.
1652         * tree-inline.c (setup_one_parameter): Likewise.
1653         * tree-vect-transform.c (vectorizable_condition): Likewise.
1654         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1655         Likewise.
1656         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1657         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1658         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1659         * tree-chrec.h (build_polynomial_chrec): Likewise.
1660
1661 2005-12-02  Richard Guenther  <rguenther@suse.de>
1662
1663         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1664         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1665         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1666         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1667         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1668         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1669         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1670         Likewise.
1671         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1672         sh_adjust_unroll_max): Likewise.
1673         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1674         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1675         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1676         Likewise.
1677         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1678         Likewise.
1679         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1680         Likewise.
1681
1682 2005-12-02  Richard Guenther  <rguenther@suse.de>
1683
1684         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1685         simplify_cond_using_ranges): Use buildN instead of build.
1686         * tree-tailcall.c (adjust_accumulator_values,
1687         adjust_return_value): Likewise.
1688         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1689         generate_element_copy, generate_element_zero,
1690         generate_one_element_init): Likewise.
1691         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1692         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1693         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1694         perfect_nestify): Likewise.
1695
1696 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1697
1698         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1699
1700 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1701
1702         * ggc.h (GGC_RESIZEVEC): New.
1703
1704 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1705
1706         * gcc.c (execute): Improve readability.
1707
1708 2005-12-02  Richard Guenther  <rguenther@suse.de>
1709
1710         * tree-cfg.c (mark_used_vars): New function.
1711         (dump_function_to_file): Dump only used VAR_DECLs.
1712
1713 2005-12-02  Richard Guenther  <rguenther@suse.de>
1714
1715         * convert.c (convert_to_integer): Fix compare for nonpositive
1716         constant to use tree_int_cst_sgn <= 0.
1717
1718 2005-12-02  Richard Guenther  <rguenther@suse.de>
1719
1720         * convert.c (convert_to_integer): Use fold_convert instead
1721         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1722         instead of comparing against 0.  Use build_int_cst instead
1723         of converting integer_zero_node.
1724
1725 2005-12-02  Richard Guenther  <rguenther@suse.de>
1726
1727         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1728         and RROTATE_EXPR.
1729  
1730 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1731
1732         PR target/21017
1733         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1734         rotates.
1735
1736 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1737
1738         PR middle-end/25176
1739         * function.c (expand_function_end): Emit blockage for unwinder
1740         after return label.
1741
1742 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1743
1744         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1745         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1746         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1747         integer constant comparisons.
1748
1749 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1750             Janis Johnson  <janis187@us.ibm.com>
1751             David Edelsohn  <dje@watson.ibm.com>
1752             Ben Elliston  <bje@au.ibm.com>
1753
1754         * dfp.h, dfp.c: New files.
1755         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1756         (DECNUM_H): Likewise.
1757         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1758         (INCLUDES): Append $(DECNUMINC).
1759         (OBJS-common): Add dfp.o.
1760         (dfp.o): New rule.
1761         * real.h (EXP_BITS): Pinch one bit to ..
1762         (struct real_value): Add decimal field.
1763         (real_format): Change table size, update documentation.
1764         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1765         (real_from_string3): Declare.
1766         (decimal_single_format): Declare.
1767         (decimal_double_format): Declare.
1768         (decimal_quad_format): Declare.
1769         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1770         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1771         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1772         * real.c: Include dfp.h.
1773         (normalize): Early return for decimal floats.
1774         (do_add): Zero decimal field.
1775         (do_compare): Call do_decimal_compare for decimal floats.
1776         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1777         (real_arithmetic): Call decimal_real_arithmetic for decimal
1778         floating point operands.
1779         (real_identical): If a and b are of differing radix, return false.
1780         (real_to_integer): Call decimal_real_to_integer if the value is a
1781         decimal float.
1782         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1783         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1784         (real_to_hexadecimal): Place "N/A" in the return string for
1785         decimal float.
1786         (real_from_string3): New variant, given a mode.
1787         (real_maxval): Use decimal_real_maxval for decimal floats.
1788         (round_for_format): Use decimal_round_for_format for decimals.
1789         (real_convert): Use decimal_real_convert where appropriate.
1790         (significand_size): Handle base 10.
1791         (encode_decimal_single, decode_decimal_single,
1792         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1793         decode_decimal_quad): New functions.
1794         (decimal_single_format): New.
1795         (decimal_double_format): New.
1796         (decimal_quad_format): New.
1797         * machmode.def: Add SD, DD and TD decimal floating point modes.
1798         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1799         Include MODE_DECIMAL_FLOAT.
1800         (DECIMAL_FLOAT_MODE_P): New.
1801         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1802         * genmodes.c (struct mode_data): Add counter field.
1803         (struct mode_data): Update comment for format.
1804         (blank_mode): Initialise counter field.
1805         (new_mode): Increment counter field for each mode defined.
1806         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1807         using a format.
1808         (make_complex_modes): Handle modes containing `D'.
1809         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1810         (make_decimal_float_mode): New.
1811         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1812         (cmp_modes): Compare counter field if other characteristics
1813         similar.
1814         (emit_real_format_for_mode): Support formats for decimal floats.
1815         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1816         Document MODE_DECIMAL_FLOAT.
1817
1818 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1819
1820         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1821         Delete dead code.
1822
1823 2005-12-01  Richard Henderson  <rth@redhat.com>
1824
1825         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1826
1827 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1828
1829         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1830
1831         * config/pa/pa.c (pa_init_builtins): If we detect
1832         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1833         putc_unlocked.
1834
1835 2005-12-01  Richard Guenther  <rguenther@suse.de>
1836
1837         * fold-const.c (fold_binary): Use fold_build2, not
1838         fold (build (...)).
1839
1840 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1841
1842         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1843
1844         * vec.h (VEC_block_remove): New.
1845
1846 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1847
1848         PR c/13384
1849         * c-common.c (lvalue_error): Fix wording.
1850
1851 2005-12-01  Richard Guenther  <rguenther@suse.de>
1852
1853         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1854         thinko in last patch.
1855
1856 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1857
1858         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1859         than -flat_namespace.
1860
1861 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1862
1863         * mklibgcc.in: Parameterise the script to build soft float
1864         functions by iterating over each type, rather than cloning the
1865         code for each type.
1866
1867 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1868
1869         PR middle-end/25158
1870         * builtins.c (fold_builtin_fputs): Defer check for missing
1871         replacement functions.
1872
1873 2005-11-30  Kean Johnston  <jkj@sco.com>
1874
1875         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1876         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1877
1878 2005-11-30  Richard Guenther  <rguenther@suse.de>
1879
1880         PR tree-optimization/22501
1881         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1882         function split out from ...
1883         (forward_propagate_addr_expr): ... here.  Use it to propagate
1884         ADDR_EXPRs to all uses.
1885
1886 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1887
1888         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1889         * builtins.c (expand_builtin_mathfn): Use them.
1890         (expand_builtin_mathfn_2): Likewise.
1891         (expand_builtin_mathfn_3): Likewise.
1892         (expand_builtin_int_roundingfn): Likewise.
1893         (expand_builtin): Likewise.
1894         (integer_valued_real_p): Likewise.
1895         (fold_builtin_int_roundingfn): Likewise.
1896         (fold_builtin_bitop): Likewise.
1897         (fold_builtin_logarithm): Likewise.
1898         (fold_builtin_1): Likewise.
1899         * convert.c (convert_to_integer): Likewise.
1900         * fold-const.c (negate_mathfn_p): Likewise.
1901         (tree_expr_nonnegative_p): Likewise.
1902
1903 2005-11-30  Dale Johannesen  <dalej@apple.com>
1904             Andrew Pinski  <pinskia@physics.uc.edu>
1905
1906         * combine.c (find_split_point):  Sign extend bitmask
1907         when changing bitfield assignment to IOR of AND.
1908
1909 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1910
1911         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1912         clobber to scratch reg.
1913         (*decrement_and_branch_until_zero_no_clobber): Remove.
1914         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1915         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1916         * config/ms1/ms1.opt (mmul): Remove.
1917         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1918         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1919
1920 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1921             Bernd Schmidt  <bernd.schmidt@analog.com>
1922
1923         * pa/predicates.md (symbolic_operand): Add comment.
1924         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1925         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1926         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1927         (pa_secondary_reload_class): Delete.
1928         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1929         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1930         copy of symbolic operand.
1931         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1932
1933 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1934
1935         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1936         jump.
1937
1938 2005-11-30  Jeff Law  <law@redhat.com>
1939
1940         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1941         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1942
1943 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1944
1945         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1946         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1947         (ia64_expand_move): Adjust caller.
1948
1949         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1950         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1951         negate VAL.
1952
1953 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1954
1955         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1956         Always produce an output if we can remove NEGs or canonicalize
1957         (minus (minus ...)) expressions.  Provide a fast path for the
1958         two-operand case.
1959         (simplify_gen_binary): Do not call simplify_plus_minus.
1960         (simplify_binary_operation_1): Reassociate at the end of the
1961         function.
1962
1963 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1964
1965         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1966         moves and unpack to speed up.
1967
1968 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1969
1970         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1971         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1972         (gen_v9_scc): Update callers.
1973         * config/sparc/sparc.md: Likewise.
1974         * config/sparc/sparc-protos.h: Update extern declaration.
1975
1976         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1977
1978 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1979
1980         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1981         the if.
1982
1983 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1984
1985         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1986         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1987         (negate_expr): Here.
1988
1989 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1990
1991         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1992         Fix typo in comment.
1993
1994 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1995
1996         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1997         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1998
1999 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2000
2001         PR middle-end/20109
2002         PR middle-end/25120
2003         * builtins.c (init_target_chars): New.
2004         (expand_builtin_printf, expand_builtin_fprintf,
2005         expand_builtin_sprintf, fold_builtin_sprintf,
2006         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2007         fold_builtin_snprintf_chk, fold_builtin_printf,
2008         fold_builtin_fprintf): Check for matching format strings using
2009         the target charset.
2010
2011 2005-11-29  Paul Brook  <paul@codesourcery.com>
2012
2013         * config.gcc: Do not use fixproto on m68k-elf.
2014
2015 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2016
2017         * expmed.c (div_cost): Replace with...
2018         (sdiv_cost, udiv_cost): New.
2019         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2020         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2021         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2022         (expand_divmod): Replace use of div_cost with either sdiv_cost
2023         or udiv_cost depending upon the signedness of the operation.
2024
2025 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2026
2027         PR libfortran/24991
2028         * config/darwin.c (machopic_indirection_name,
2029         machopic_output_indirection): Follow transparent alias chain.
2030
2031 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2032
2033         * varasm.c (ultimate_transparent_alias_target): Add comment.
2034
2035 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2036
2037         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2038         SET_SRC instead of XEXP where appropriate.
2039
2040 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2041
2042         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2043         __builtin_expect.
2044
2045 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2046
2047         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2048         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2049         bit at a time.
2050
2051 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2052
2053         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2054         secondary_input_reload_class, made static.  Adapt to new
2055         infrastructure.
2056         (secondary_output_reload_class): Delete.
2057         (TARGET_SECONDARY_RELOAD): New macro.
2058         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2059         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2060
2061 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2062
2063         PR c++/21166
2064         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2065         when its natural alignment is > BITS_PER_UNIT.
2066         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2067         * c-common.c (handle_packed_attribute): Ignore packing on a field
2068         whose type is naturally char aligned.
2069
2070 2005-11-28  Richard Guenther  <rguenther@suse.de>
2071
2072         * c-common.c (strict_aliasing_warning): Handle all
2073         component-ref like accesses.
2074
2075 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2076             Uros Bizjak  <uros@kss-loka.si>
2077
2078         PR middle-end/20219
2079         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2080         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2081         when flag_unsafe_math_optimizations is set and
2082         we don't care about NaNs or Infinities.
2083
2084         Move x/expN(y) and x/pow(y,z) transformation into common
2085         flag_unsafe_math_optimizations section.
2086
2087 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2088
2089         * gcc.c (main): Change type of argv to "char **".
2090
2091 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2092
2093         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2094         small data sections.
2095         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2096         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2097         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2098         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2099         output locals to sbss if !rs6000_elf_in_small_data_p.
2100         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2101
2102 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2103
2104         PR target/24997
2105         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2106         generated by reload.
2107         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2108         indexed_or_indirect_address.
2109         (indexed_or_indirect_address): Don't test for base reg.  Call
2110         address_operand last.  Make it a special predicate.
2111
2112 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2113
2114         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2115
2116 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2117
2118         PR middle-end/24575
2119         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2120         is undefined.
2121         (negate_expr): Likewise.
2122
2123 2005-11-27  Andreas Schwab  <schwab@suse.de>
2124
2125         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2126         redundant parens.
2127
2128 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2129
2130         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2131         has EH predecessor edges.
2132
2133 2005-11-26  Eric Christopher  <echristo@apple.com>
2134
2135         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2136         register stalls by zero extending to the full register.
2137
2138 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2139
2140         * config/floatunsisf.c, config/floatunsidf.c,
2141         config/floatunsixf.c, config/floatunsitf.c: New files.
2142         * config/ia64/t-hpux: Add floatunsitf.c.
2143         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2144         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2145
2146 2005-11-26  Richard Henderson  <rth@redhat.com>
2147
2148         * c-lex.c (pragma_lex): Rename from c_lex.
2149         * c-pch.c: Update for pragma_lex rename.
2150         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2151         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2152         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2153         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2154         * doc/tm.texi: Likewise.
2155
2156 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2157
2158         PR middle-end/23669
2159         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2160         when overflow is undefined.
2161
2162 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2163
2164         * doc/md.texi (Insn Canonicalizations): Refer to the
2165         function commutative_operand_precedence for further rules.
2166
2167 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2168
2169         PR middle-end/21309
2170         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2171         is less than zero.  Limit mult_cost to a reasonable upper bound for
2172         the synthetic multiplication sequence.
2173
2174 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2175
2176         PR middle-end/25022
2177         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2178         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2179         Lookup the explicit replacement functions for any unlocked
2180         stdio builtin transformations.
2181
2182 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2183
2184         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2185         earlyclobber.
2186         * targhooks.c (default_secondary_reload): Don't require operand 2
2187         for an input reload to be earlyclobber.
2188
2189 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2190
2191         * fold-const.c (negate_mathfn_p): Fix comment and add support
2192         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2193         BUILT_IN_ATANH.
2194
2195 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2196
2197         PR middle-end/24998
2198         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2199         _Q_ulltoq for unsigned conversions from SImode and DImode to
2200         TFmode.
2201
2202 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2203
2204         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2205         (__floatundidf, __floatundisf): Likewise.
2206
2207 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2208
2209         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2210         (rs6000_override_options): Remove initialization of
2211         rs6000_sr_alias_set.
2212         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2213         (rs6000_emit_stack_tie): Same.
2214         (emit_frame_save): Same.
2215         (gen_frame_mem_offset): Same.
2216         (rs6000_emit_prologue): Same.
2217         (rs6000_emit_epilogue): Same.
2218
2219 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2220
2221         PR middle-end/24989
2222         * fold-const.c (fold_build): Convert bool_var != 1 and
2223         bool_var == 0 to !bool_var.
2224
2225 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2226
2227         PR middle-end/24990
2228         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2229         for C being INTEGER_CST.  Likewise for !=.
2230
2231 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2232
2233         PR middle-end/24998
2234         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2235         unsigned conversions from SImode to TFmode.
2236
2237 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2238
2239         * expr.c (expand_expr_real_1): Fix error in last change.
2240
2241 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2242
2243         * caller-save.c: (this_insn_sets): Move into:
2244         (save_call_clobbered_regs).
2245         (mark_set_regs): Get this_insn_sets from data.
2246
2247         (save_call_clobbered_regs): Take sets of the return value by
2248         sibcalls into account.
2249
2250 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2251         PR target/21623:
2252
2253         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2254         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2255         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2256         (memory_move_secondary_cost, init_reg_autoinc): Remove
2257         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2258         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2259         secondary_reload_class call.
2260         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2261         callers.
2262         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2263         (push_secondary_reload): Use secondary_reload target hook.
2264         (secondary_reload_class, scratch_reload_class): New functions.
2265         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2266         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2267         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2268         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2269         (secondary_reload_class, scratch_reload_class): Declare.
2270         * reload1.c: Include target.h.
2271         (reload_adjust_reg_for_temp): New function.
2272         (reload_adjust_reg_for_icode): Likewise.
2273         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2274         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2275         call.
2276         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2277         for inheritance.  Support case when both secondary & tertiary reloads
2278         are for intermediate registers.
2279         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2280         with secondary_reload_class call.  Support case when both secondary
2281         & tertiary reloads are for intermediate registers.
2282         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2283         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2284         * target.h (secondary_reload_info): New struct / typedef.
2285         (struct gcc_target): New member secondary_reload.
2286         * targhooks.c Include reload.h, optabs.h and recog.h.
2287         (default_secondary_reload): New function.
2288         * targhooks.h (default_secondary_reload): Declare.
2289         * doc/tm.texi: Document secondary_reload target hook.  Update
2290         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2291         * doc/md.texi: Likewise.
2292
2293         * sh-protos.h (sh_secondary_reload): Declare.
2294         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2295         (sh_secondary_reload): New function.
2296         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2297         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2298         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2299         (HAVE_SECONDARY_RELOADS): Define.
2300         * sh.md (reload_indf): Rename to:
2301         (reload_indf__frn).
2302         (reload_outdf): Rename to:
2303         (reload_outdf__RnFRm).
2304         (reload_insf): Rename to:
2305         (reload_insf__frn).
2306         (reload_insi): Rename to:
2307         (reload_insi__i_fpul).
2308
2309 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2310
2311         * configure.ac: Require at least texinfo 4.4.
2312         * configure: Regenerate.
2313
2314         * doc/install.texi (Tools/packages necessary for building GCC):
2315         Update required version of texinfo to at least 4.4.
2316         (Installing GCC: Building): Update required version of texinfo
2317         to at least 4.4.
2318         (Installing GCC: Final installation): Update required version
2319         of texi2dvi to at least 4.4.
2320         (Host/target specific installation notes for GCC): Update required
2321         version of texinfo to at least 4.4.
2322
2323 2005-11-24  Richard Guenther  <rguenther@suse.de>
2324         Dirk Mueller <dmueller@suse.de>
2325
2326         PR c++/14024
2327         * c-common.h (strict_aliasing_warning): Declare.
2328         * c-common.c (strict_aliasing_warning): New function,
2329         split out from ...
2330         * c-typeck.c (build_c_cast): ... here.
2331
2332 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2333
2334         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2335         to order operands.
2336         (swap_commutative_operands_with_target): New.
2337
2338 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2339
2340         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2341         also when doing PRE, rather than only for global CPROP.
2342
2343 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2344
2345         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2346         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2347         formatting.
2348         (expand_twoval_unop): Likewise.
2349         (widen_clz): Likewise.
2350         (expand_parity): Likewise.
2351         (expand_unop): Likewise.
2352         (emit_cmp_and_jmp_insn_1): Likewise.
2353         (prepare_float_lib_cmp): Likewise.
2354
2355 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2356
2357         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2358         Remove unused `class' variable.
2359
2360 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2361
2362         PR c++/21667
2363         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2364         C/C++ diagnostic function warn_array_subscript_with_type_char.
2365         * c-common.h (warn_array_subscript_with_type_char): Declare.
2366         * c-common.c (warn_array_subscript_with_type_char): Define.
2367
2368 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2369
2370         PR c/21668
2371         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2372         compiling at the intersection of C and C++.
2373
2374 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2375
2376         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2377         List @file in the option summary.  Include the libiberty
2378         documentation for @file.
2379         * gcc.c (main): Call expandargv.
2380         * Makefile.in (gcc-vers.texi): Define srcdir.
2381
2382 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2383
2384         * passes.c (init_optimization_passes): Document
2385         sequencing of passes.
2386
2387 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2388
2389         * config/m68k/predicates.md (pcrel_address, extend_operator,
2390         post_inc_operand, pre_dec_operand): Remove redundant
2391         conditionals.
2392         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2393         instead of abort.
2394         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2395
2396 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2397
2398         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2399
2400 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2401
2402         Preparatory work for PR target/21623:
2403         * alpha.c (secondary_reload_class): Rename to:
2404         (alpha_secondary_reload_class).
2405         * alpha.h, alpha-protos.h: Likewise.
2406         * mn10300.c (secondary_reload_class): Rename to:
2407         (mn10300_secondary_reload_class).
2408         * mn10300.h, mn10300-protos.h: Likewise.
2409         * pa.c (secondary_reload_class): Rename to:
2410         (pa_secondary_reload_class).
2411         * pa.h, pa-protos.h: Likewise.
2412         * rs6000.c (secondary_reload_class): Rename to:
2413         rs6000_secondary_reload_class.
2414         * rs6000.h, rs6000-protos.h: Likewise.
2415
2416 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2417
2418         PR middle-end/22561
2419         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2420
2421 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2422
2423         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2424         a mode_class.
2425         (prepare_cmp_insn): Likewise.
2426
2427 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2428
2429         PR target/23435
2430         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2431         if both operands[0] and operands[1] are memory.
2432
2433 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2434
2435         PR middle-end/23606
2436         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2437         COMPARISON_CLASS_P and an integral types create create a new
2438         expression with the new type and fold that.
2439
2440 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2441
2442         PR target/24988
2443         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2444         to SUBTARGET_OS_CPP_BUILTINS.
2445
2446 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2447
2448         * arm.c (emit_set_insn): New function.
2449         (arm_split_constant): Call it.
2450         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2451         (arm_legitimize_address): Likewise.  Use plus_constant.
2452         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2453         (thumb_expand_prologue): Likewise.
2454         (arm_gen_load_multiple): Use VOIDmode in SET.
2455         (arm_gen_store_multiple): Likewise.
2456         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2457         (emit_multi_reg_push): Likewise.
2458         (emit_sfm): Use plus_constant.
2459
2460 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2461
2462         PR target/24954
2463         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2464         typo last change.
2465
2466 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2467
2468         PR middle-end/24950
2469         * expmed.c (store_bit_field): Don't attempt to insv a field
2470         larger than the reg.
2471
2472 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2473
2474         PR target/24954
2475         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2476         explicit sign extension, not a (char) cast.
2477
2478 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2479
2480         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2481         GET_MODE_CLASS (x) == MODE_FLOAT.
2482         * config/i386/i386.c: Likewise.
2483         * config/rs6000/xcoff.h: Likewise.
2484         * config/rs6000/linux64.h: Likewise.
2485         * config/rs6000/rs6000.c: Likewise.
2486         * config/rs6000/rs6000.h: Likewise.
2487         * config/rs6000/predicates.md: Likewise.
2488         * config/rs6000/sysv4.h: Likewise.
2489
2490 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2491
2492         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2493         flag_pic is set.
2494
2495         * config/alpha/freebsd.h, config/alpha/linux.h,
2496         config/arm/linux-elf.h, config/bfin/bfin.h,
2497         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2498         config/i386/beos-elf.h, config/i386/gnu.h,
2499         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2500         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2501         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2502         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2503         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2504         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2505         config/sparc/linux.h, config/sparc/linux64.h,
2506         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2507
2508         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2509         are both defined when either flag -fpic or -fPIC are used.
2510
2511 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2512
2513         * config/fp-bit.c (clzusi): New function.
2514         (si_to_float, usi_to_float): Use it to compute proper shift.
2515         (usi_to_float): Preserve guard bits when shifting right.
2516         * libgcc-std.ver (GCC_4.2.0): New version.
2517         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2518         __floatundisf): New functions.
2519         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2520         __floatundisf): Declare.
2521         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2522         _floatundixf, and _floatunditf.
2523         * optabs.c (expand_float): If target does not define a pattern for
2524         signed or unsigned conversion, use an unsigned libcall instead of
2525         a signed one.
2526         (init_optabs): Initialize ufloat_optab.
2527
2528 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2529
2530         * config/rs6000/rs6000.opt (mmulhw): New option.
2531         * doc/invoke.texi (-mmulhw): Document.
2532         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2533         for 405 and 440.
2534         * config/rs6000/rs6000.md: Add half-word multiply and
2535         multiply-accumulate instructions for 405 and 440.
2536
2537 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2538
2539         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2540         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2541         default now includes a linker group which makes the RTEMS one nest.
2542
2543 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2544
2545         * cse.c (fold_rtx): Typo fix.
2546         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2547
2548 2005-11-21  Richard Henderson  <rth@redhat.com>
2549
2550         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2551         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2552
2553         * c-tree.h (lookup_name): Move declaration ...
2554         * c-common.h (lookup_name): ... here.
2555         * config/darwin-c.c: Include c-common.h.
2556         * config/t-darwin: Update dependencies.
2557
2558 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2559
2560         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2561         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2562         * genopinit.c (gen_insn): Likewise.
2563         * reload.c (find_equiv_reg): Likewise.
2564         * loop.c (load_mems): Likewise.
2565         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2566         * cse.c (find_comparison_args, fold_rtx): Likewise.
2567         * dwarf2out.c (add_const_value_attribute): Likewise.
2568         * expr.c (convert_move): Likewise.
2569         * recog.c (general_operand, register_operand): Likewise.
2570         * reg-stack.c (replace_reg): Likewise.
2571         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2572         * c-common.c (handle_vector_size_attribute): Likewise.
2573         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2574         (simplify_binary_operation_1): Likewise.
2575         (simplify_const_binary_operation): Likewise.
2576         (simplify_relational_operation): Likewise.
2577         (simplify_const_relational_operation): Likewise.
2578         (simplify_immed_subreg): Likewise.
2579         * emit-rtl.c (gen_lowpart_common): Likewise.
2580         * expmed.c (expand_mult): Likewise.
2581         * stor-layout.c (layout_type): Likewise.
2582
2583 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2584
2585         PR target/24951
2586         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2587         cst2 only for SPE vectors.
2588
2589 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2590
2591         PR target/24953
2592         * config/rs6000/predicates.md (vrsave_operation): Check
2593         UNSPEC_VOLATILE value.
2594
2595 2005-11-21  Jan Hubicka  <jh@suse.cz>
2596
2597         PR tree-optimization/24653
2598         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2599
2600 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2601
2602         * config/i386/predicates.md (ax_reg_operand): New predicate.
2603         (memory_displacement_only_operand): New predicate.
2604         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2605         operand is AX register and the other operand is memory operand
2606         with displacement only.
2607
2608 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2609
2610         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2611         if we don't care about NaNs or Infinities.
2612
2613 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2614
2615         PR rtl-optimization/24883
2616         * combine.c (combinable_i3pat): When checking whether the
2617         destination of i3 is used in i3, consider paradoxical subregs.
2618
2619 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2620
2621         PR middle-end/20583
2622         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2623
2624 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2625
2626         * combine.c (try_combine): Do not run subst on i1src and i2src in
2627         the case of generating a PARALLEL for a comparison.
2628
2629 2005-11-20  Richard Henderson  <rth@redhat.com>
2630
2631         PR 24931
2632         * tree-sra.c (struct sra_elt): Add all_no_warning.
2633         (struct sra_walk_fns) <use>: Add use_all argument.
2634         (sra_walk_expr): Pass it.
2635         (sra_walk_modify_expr): Likewise.
2636         (scalarize_ldst): Likewise.
2637         (scan_use): Update for new argument.
2638         (mark_no_warning): New.
2639         (scalarize_use): Use it.
2640
2641 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2642
2643         * expr.c (expand_expr_real): Use usmul_optab for widening
2644         signed * unsigned multiplies.
2645         * genopinit.c (optabs): Add usmul_widen_optab.
2646         * optabs.c (init_optabs): Likewise.
2647         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2648         (usmul_widen_optab): Define.
2649         * config/bfin/bfin.md (usmulhisi3): New pattern.
2650
2651         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2652
2653 2005-11-20  Graham Stott <btinternet.com>
2654
2655         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2656
2657 2005-11-20  Andreas Schwab  <schwab@suse.de>
2658
2659         PR target/24757
2660         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2661         insn.
2662
2663 2005-11-19  Richard Henderson  <rth@redhat.com>
2664
2665         PR tree-opt/24665
2666         * tree-gimple.c (is_gimple_id): Export.
2667         * tree-gimple.h (is_gimple_id): Declare.
2668         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2669         (get_default_value): Use it.
2670         (maybe_fold_stmt_indirect): Likewise.
2671
2672 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2673
2674         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2675         than VR1 or vice-versa.
2676
2677 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2678
2679         PR middle-end/24912
2680         PR middle-end/24750
2681         * reload.c (find_reloads_address_1): Mention dependency on
2682         gen_reload.
2683         * reload1.c (gen_reload): For IN with an unary operation, try
2684         moving inner expression to OUT if trivial SET is not valid.
2685         Confirm that the result is valid.  Move common code block into...
2686         (emit_insn_if_valid_for_reload): New function.
2687
2688 2005-11-19  Richard Guenther  <rguenther@suse.de>
2689
2690         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2691         ARRAY_REFs of constant strings.
2692
2693 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2694
2695         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2696         fatal format string.
2697
2698 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2699
2700         * combine.c (make_compound_operation): Swap operands of
2701         commutative operation if necessary before returning.
2702
2703 2005-11-19  Richard Guenther  <rguenther@suse.de>
2704
2705         PR middle-end/23294
2706         * fold-const.c (fold_plusminus_mult_expr): New function.
2707         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2708         cases, remove now unnecessary code.
2709
2710 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2711
2712         * gensupport.c (old_preds): Rename to std_preds, add special field.
2713         (struct old_pred_table): Rename to struct std_pred_table, add special
2714         field.
2715         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2716         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2717         (init_predicate_table): Adjust, and set along the way whether a
2718         predicate is special.
2719
2720 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2721
2722         * BASE-VER: Change to 4.2.0.
2723
2724 2005-11-18  James E Wilson  <wilson@specifix.com>
2725
2726         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2727         returning it.
2728
2729 2005-11-18  Mike Stump  <mrs@apple.com>
2730
2731         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2732         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2733         * c-decl.c (lookup_name_two) Remove.
2734         * c-tree.h (lookup_name_two): Remove.
2735         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2736         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2737         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2738         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2739
2740 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2741
2742         PR target/24914
2743         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2744         when not generating code to use that co-processor.
2745
2746 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2747
2748         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2749         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2750         these functions are now in tree-phinodes.c.
2751
2752 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2753
2754         * config/bfin/bfin.md (trap): New pattern.
2755
2756 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2757
2758         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2759         on types.
2760
2761         * expr.c (expand_expr_real): Don't call record_block_change unless
2762         ib_boundaries_block is non-null
2763
2764         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2765
2766         * fold-const.c (build_range_check): Use proper type for subtraction
2767         when merging lower bound.
2768
2769 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2770
2771         PR rtl-optimization/24497
2772         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2773         the copied insn.
2774
2775 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2776
2777         * tree-scalar-evolution.c (expression_expensive_p): New function.
2778         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2779
2780 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2781
2782         * config/bfin/crtlibid.s: New file.
2783
2784 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2785
2786         PR target/24348
2787         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2788         when not using sjlj exceptions.
2789         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2790         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2791         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2792         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2793         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2794         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2795         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2796         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2797         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2798         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2799         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2800         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2801         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2802         defines.
2803         * config/pa/hpux-unwind.h: New file.
2804
2805 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2806
2807         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2808         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2809         * varasm.c (do_assemble_alias): Adjust call.
2810         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2811         is defined.
2812         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2813
2814 2005-11-17  James E Wilson  <wilson@specifix.com>
2815
2816         * tree.def (FUNCTION_DECL): Correct typo in comment.
2817
2818 2005-11-17  Richard Henderson  <rth@redhat.com>
2819
2820         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2821         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2822         and DW_CFA_def_cfa_sf.
2823         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2824         (dbx_reg_number): Don't assert particular registers here.
2825         (based_loc_descr): ... do it here instead.  Fold in ...
2826         (eliminate_reg_to_offset): ... this function.
2827         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2828         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2829         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2830         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2831         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2832         (instantiate_virtual_regs): Likewise.
2833         * var-tracking.c (adjust_stack_reference): Likewise.
2834         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2835
2836 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2837
2838         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2839         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2840         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2841         crtlibid.o.
2842         ($(T)crtlibid.o): New rule.
2843
2844 2005-11-16  Richard Guenther  <rguenther@suse.de>
2845
2846         PR middle-end/24851
2847         * fold-const.c (extract_array_ref): Return byte offset
2848         in all cases.
2849         (fold_binary): Fold &x[a] CMP &x[b] to
2850         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2851         behavior.
2852
2853 2005-11-16  Richard Henderson  <rth@redhat.com>
2854
2855         PR middle-end/23497
2856         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2857         parts of an SSA_NAME.
2858
2859 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2860
2861         PR target/24861
2862         * arm.md (split for movsf with immediate): Restrict split to insns
2863         that set a general register.
2864
2865 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2866
2867         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2868         uw_update_context.
2869         * unwind-dw2.c (uw_advance_context): Likewise.
2870         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2871         _Unwind_SjLj_Unregister.
2872         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2873
2874 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2875
2876         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2877
2878 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2879
2880         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2881         langhook to get a DImode integer type.
2882
2883 2005-11-16  Richard Henderson  <rth@redhat.com>
2884             J"orn Rennecke <joern.rennecke@st.com>
2885             Ulrich Weigand  <uweigand@de.ibm.com>
2886
2887         PR rtl-opt/24160
2888         PR target/24621
2889         * reload1.c (reg_equiv_invariant): New.
2890         (reload): Allocate, initialize, and free it.
2891         (calculate_needs_all_insns): Check it when skipping equivalence
2892         setting insns.
2893         (alter_reg): Likewise.
2894         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2895         may_use_invariant argument; only use reg_equiv_invariant when true.
2896         (eliminate_regs): New.
2897         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2898         a context for which may_use_invariant may be true.
2899
2900 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2901
2902         * fold-const.c (const_binop): Don't constant fold the operation
2903         if the result has overflowed and flag_trapping_math.
2904         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2905
2906 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2907
2908         * config/arm/unwind-arm.c (abort): Add prototype here.
2909         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2910         (struct phase1_vrs): Add prev_sp.
2911         (unwind_phase2_forced): Save the original core registers instead of
2912         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2913         and set action flags accordingly.  Always set _US_END_OF_STACK when
2914         get_eit_entry fails.  Unwind before calling the stop function.
2915         (_Unwind_GetCFA): New function.
2916         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2917         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2918         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2919         just call unwind_phase2_forced.
2920         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2921         * config/arm/unwind-arm.h (abort): Remove prototype.
2922         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2923         prototypes.
2924         (_Unwind_GetCFA): New prototype.
2925         * config/arm/pr-support.c (abort): Add prototype here.
2926         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2927         forced unwinding.
2928         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2929         not schedule the prologue with non-call exceptions and EABI.
2930
2931 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2932
2933         * config/arm/unwind-arm.h: Reorder interface function declarations.
2934         (_URC_END_OF_STACK): New enumeration value.
2935         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2936         (struct _Unwind_Control_Block): Document reserved field use.
2937         (_Unwind_Stop_Fn): New typedef.
2938         (_Unwind_ForcedUnwind): Declare.
2939         (_Unwind_Resume_or_Rethrow): Declare.
2940         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2941         argument.  Adjust.
2942         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2943         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2944         (UCB_FORCED_STOP_ARG): New.
2945         (search_EIT_table): Update boundary condition checks.
2946         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2947         (unwind_phase2): Replace for with do..while.
2948         (unwind_phase2_forced): New.
2949         (__gnu_Unwind_RaiseException): Replace for with do..while.
2950         (__gnu_Unwind_ForcedUnwind): New.
2951         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2952         Use appropriate phase2 unwinder.
2953         (__gnu_Unwind_Resume_or_Rethrow): New.
2954         (__gnu_unwind_pr_common): Cope with forced unwinding.
2955
2956 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2957
2958         PR target/24772
2959         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2960
2961         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2962         roundsf2): Remove "s" from mnemonic.
2963
2964 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2965
2966         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2967         __PIC__ is defined.
2968         * config/bfin/crtn.s: Change epilogues to match.
2969         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2970         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2971         __PIC__ and __pic__.
2972
2973 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2974
2975         PR 24357
2976         * doc/invoke.texi: Distinguish between free and fixed form instead of
2977         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2978         languages.
2979         * gcc.c (default_compilers): Remove double entries, add entries for
2980         suffixes '.F90' and '.F95'.
2981
2982 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2983
2984         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2985         in the stack probing loop.
2986
2987 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2988
2989         * configure.ac: Use .machine power5 not power5x.
2990         * configure: Regenerate.
2991
2992 2005-11-15  Mike Stump  <mrs@apple.com>
2993
2994         * c-decl.c (lookup_name_two): Add.
2995         * c-tree.h (lookup_name_two): Likewise.
2996         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2997         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2998
2999 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3000
3001         PR rtl-optimization/23392
3002         * regrename.c (enum scan_actions) Add mark_access.
3003         (scan_actions_name): Ditto.
3004         (scan_rtx_reg): Handle mark_access.
3005         (scan_rtx_address): Do nothing for mark_access.
3006         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3007         and regs in REG_INC notes before closing chains for dead regs.
3008         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3009         opening chains for new writes.
3010
3011 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3012
3013         * c.opt (ffixed-line-length-none): New.
3014
3015 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3016
3017         * mklibgcc.in: Change contents of eh_dummy.c.
3018
3019 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3020
3021         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3022
3023 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3024
3025         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3026         of making syscalls.
3027         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3028
3029 2005-11-15  Jan Hubicka  <jh@suse.cz>
3030
3031         * invoke.texi (large-unit-insns): Document.
3032         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3033         * params.def (large-unit-insns): New param.
3034
3035 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3036
3037         PR target/24869
3038         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3039         special register for operand 3.  Reindent constraints to align
3040         them vertically.
3041
3042 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3043
3044         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3045         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3046         * configure.ac: Add test for FP rounding instructions.
3047         * configure: Regenerate.
3048         * config.in: Regenerate.
3049         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3050         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3051         features enabled.
3052         * config/rs6000/rs6000.opt (mfprnd): New.
3053         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3054         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3055         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3056         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3057         (TARGET_FPRND): New.
3058         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3059         UNSPEC_FRIZ): New.
3060         (btrunc<mode>2): New.
3061         (ceil<mode>2): New.
3062         (floor<mode>2): New.
3063         (round<mode>2): New.
3064
3065 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3066
3067         * gcc.c (version_compare_spec_function): Use fatal() rather than
3068         abort().
3069
3070         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3071         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3072         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3073         as empty.
3074         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3075         link in crt2.o.
3076
3077         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3078         on -mmacosx-version-min setting.
3079
3080 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3081
3082         PR 24840
3083         * tree-vrp.c (infer_value_range): Return false if STMT is a
3084         block terminator and its basic block has no successors.
3085
3086 2005-11-14  Mike Stump  <mrs@apple.com>
3087
3088         * config/i386/i386.c (override_options): -masm=intel isn't
3089         supported on darwin.
3090         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3091
3092 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3093
3094         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3095         vfork after including auto-host.h.
3096
3097 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3098
3099         PR rtl-optimization/22002
3100         * combine.c (distribute_notes): Detect cases where a reg dies
3101         two or more times in a bb, including on the insn we are combining,
3102         and place the death note on the correct range.
3103
3104 2005-11-14  Dale Johannesen  <dalej@apple.com>
3105
3106         * expmed.c (store_bit_field):  Add offset unconditionally for
3107         memory targets.
3108         (extract_bit_field):  Don't force extzv or extv operand into
3109         a register if field is too big.
3110
3111 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3112
3113         * config/arm/arm.c (pic_labelno): New.
3114         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3115         LABEL_REF.  Pass only the labelno to PIC insns.
3116         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3117         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3118         * arm.md (UNSPEC_PIC_LABEL): New constant.
3119         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3120         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3121         Use the correct label prefix.
3122
3123 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3124
3125         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3126         REQ_EQUIV note.
3127
3128 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3129
3130         * loop-invariant.c: Include tm_p.h.
3131         * Makefile.in: Updated.
3132
3133 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3134
3135         * pa.c (store_reg): Revise generation of frame notes in large frames.
3136         (set_reg_plus_d): Likewise.
3137
3138 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3139
3140         PR tree-optimization/24709
3141         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3142         loop check.
3143
3144 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3145
3146         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3147         and duplicate declaration of pthread_self.
3148
3149 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3150             Ian Lance Taylor  <ian@airs.com>
3151
3152         PR middle-end/24003
3153         * calls.c (expand_call): If TARGET is a MEM and some part of the
3154         argument area has been saved, force TARGET to a register.
3155
3156 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3157
3158         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3159         checking.
3160
3161 2005-11-13  Jason Merrill  <jason@redhat.com>
3162
3163         PR c++/22489
3164         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3165         lazily declared methods.
3166         (force_decl_die): Stop if forcing out the context already make a
3167         DIE for the decl.
3168         (force_type_die): Likewise.
3169
3170 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3171
3172         PR middle-end/24820
3173         * builtins.c (integer_valued_real_p): Add break in
3174         REAL_CST having TREE_OVERFLOW set.
3175
3176 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3177
3178         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3179         addressing modes during calculation of costs.
3180
3181 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3182
3183         * function.c (assign_stack_local_1): Restrict sanity check
3184         on frame size overflow to 32-bit and above platforms.
3185
3186 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3187
3188         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3189         * config/cris/cris.c: Include reload.h.
3190         (cris_initial_elimination_offset): New function.
3191         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3192         Prototype.
3193
3194 2005-11-12  Richard Guenther  <rguenther@suse.de>
3195
3196         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3197
3198 2005-11-12  Jan Hubicka  <jh@suse.cz>
3199
3200         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3201         to compare against 0 when possible.
3202
3203 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3204
3205         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3206         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3207         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3208         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3209         in the new order.
3210
3211 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3212
3213         * recog.c (constrain_operands) <case 'g'>: For a match, require
3214         that a non-register matches general_operand when strict >= 0.
3215
3216 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3217
3218         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3219         previous checkin.
3220
3221 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3222
3223         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3224         (memory_address_same): New.
3225         (dse_optimize_stmt): Call memory_address_same.
3226
3227 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3228
3229         PR middle-end/24750
3230         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3231         ZERO_EXTEND>: New cases.
3232
3233 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3234
3235         * longlong.h (__clz_tab): Always provide.
3236
3237 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3238
3239         PR 24265
3240         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3241         can be assigned to.
3242         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3243         before check_maybe_invariant.
3244         (move_invariant_reg): Use gen_move_insn instead of replacing
3245         SET_DEST with the temporary for the invariant.
3246         (move_loop_invariants): If checking is enabled, do internal
3247         consistency checks after completing the pass.
3248
3249 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3250
3251         PR 24644
3252         * common.opt (Wvolatile-register-var): New.
3253         * varasm.c (make_decl_rtl): Only emit warning when option
3254         specified.  Clarify warning message.
3255         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3256
3257         * doc/md.texi (copysign): Document standard named pattern.
3258
3259 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3260
3261         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3262         bytes when align is 2.
3263         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3264         by the first instruction of the loop.
3265
3266 2005-11-11  Jason Merrill  <jason@redhat.com>
3267
3268         PR c++/24686
3269         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3270         the cleanup list.
3271
3272 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3273
3274         PR rtl-optimization/22509
3275         * local-alloc.c (memref_used_between_p): Check whether a function call
3276         could not reference the memref.
3277
3278 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3279
3280         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3281         algorithm so as to choose the best, not the worst, alternative.
3282         Reset accumulated register class before processing next alternative.
3283
3284 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3285
3286         PR target/24445
3287         * calls.c (expand_call): Copy a return value to a plain register
3288         if needed.
3289
3290 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3291
3292         PR target/24778
3293         * varasm.c (assemble_name): Recompute name only for transparent
3294         aliases.
3295
3296 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3297
3298         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3299
3300 2005-11-04  Jeff Law  <law@redhat.com>
3301
3302         PR middle-end/23181
3303         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3304         perform reassociation if the parent statement will not die as
3305         a result of the optimization.
3306
3307 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3308
3309         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3310         delete_old_heap_vars.
3311         * tree-dfa.c (referenced_var_remove): Remove function.
3312         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3313         (delete_tree_ssa): Remove call to delete_old_heapvars.
3314         Add call to delete_alias_heapvars.
3315         * tree-flow.h (referenced_var_remove): Remove prototype
3316         (init_alias_heapvars): New prototype.
3317         (delete_alias_heapvars): Ditto.
3318         * Makefile.in (tree-ssa-structalias.o): Add
3319         gt-tree-ssa-structalias.o
3320         (GTFILES): Add tree-ssa-structalias.h and
3321         tree-ssa-structalias.c.
3322         (s-gtype): Add gt-tree-ssa-structalias.h.
3323         * tree-ssa-structalias.c (heapvars): Remove.
3324         (oldheapvars): Remove.
3325         (heapvar_for_stmt): New variable.
3326         (heapvar_lookup): New function.
3327         (heapvar_insert): Ditto.
3328         (get_constraint_for): See if we have an old heapvar
3329         to reuse.
3330         (init_alias_heapvars): New function.
3331         (delete_alias_heapvars): Ditto.
3332         Add include of gt-tree-ssa-structalias.h.
3333
3334 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3335
3336         PR middle-end/22127
3337         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3338
3339 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3340
3341         * tree.c (int_fits_type_p): Only look at the base type
3342         if it has the same precision as the original type.
3343
3344 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR other/4372
3347         * varasm.c (assemble_alias): Use %q+D in the error
3348         message instead of %J and %qD.
3349
3350 2005-11-10  Richard Guenther  <rguenther@suse.de>
3351
3352         * gcse.c (free_ldst_entry): Only free hashtable if
3353         it exists.
3354
3355 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3356
3357         * function.c (assign_stack_local_1): Issue an error message if
3358         the frame size overflows in the signed target arithmetics.
3359
3360 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3361
3362         * tree.c (build_qualified_type): Chain the new type to the original
3363         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3364         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3365         (build_pointer_type_for_mode): Only return unqualified types.
3366         (build_reference_type_for_mode): Likewise.
3367
3368 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3369
3370         * Makefile.in (gnucompare): Do comparison of all files using one of
3371         the chosen methods and only afterwards decide if just warning should
3372         be issued or comparison failure raised.
3373
3374 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3375
3376         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3377         (noce_try_abs): Negate if the comparison is reversed.
3378         Look only one instruction backwards for a REG_EQUAL note.
3379
3380 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3381
3382         PR other/4372
3383         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3384         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3385         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3386         and prefix all uses with __ghtrw.
3387
3388 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3389
3390         PR other/4372
3391         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3392         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3393         * c-common.c (handle_weakref_attribute): New.
3394         (c_common_attribute_table): Add weakref.
3395         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3396         in the assembler.
3397         * configure, config.in: Rebuilt.
3398         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3399         * doc/extend.texi: Document weakref attribute.
3400         * varasm.c (ultimate_transparent_alias_target): New
3401         (assemble_name): Use it.
3402         (weak_finish_1): Split out of...
3403         (weak_finish): ... and deal with weakrefs in...
3404         (weakref_targets): ... new list.
3405         (globalize_decl): Clean up weakref_targets.
3406         (do_assemble_alias): Handle weakrefs.
3407         (finish_aliases_1): Do not reject weakrefs to external symbols.
3408         (assemble_alias): Handle weakrefs.
3409
3410 2005-11-09  Richard Guenther  <rguenther@suse.de>
3411
3412         PR tree-optimization/24716
3413         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3414         t_bool to track results from follow_ssa_edge.
3415
3416 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3417
3418         * final.c (force_source_line): New global variable.
3419         (final_scan_insn): Set it to true instead of clearing last_filename.
3420         (notice_source_line): Return true if force_source_line is true,
3421         unless source info is absent.
3422
3423 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3424
3425         PR c/24644
3426         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3427         a linkage name for a variable if it a register variable.
3428         * c-decl.c (grokdeclarator): Global register variables
3429         should be set as PUBLIC.
3430
3431 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3432
3433         PR 24624
3434         * config/s390/s390.c (struct s390_frame_layout): New fields
3435         first_save_gpr_slot and last_save_gpr_slot.
3436         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3437         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3438         first_save_gpr and last_save_gpr with the _slot variants.
3439         (s390_register_info): Calculate first_save_gpr_slot and
3440         last_save_gpr_slot using regs_ever_live.
3441
3442 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3443
3444         PR 24623
3445         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3446         for a function containing a landing pad.
3447
3448 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3449
3450         PR 24034
3451         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3452         is live afterwards.
3453
3454 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3455
3456         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3457         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3458
3459 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3460
3461         Add ms2 support
3462         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3463         constants.
3464         (call,load,store): New insn types.
3465         (mem_access, branch_access): Adjust reservation conditions.
3466         (define_delay): Adjust condition.
3467         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3468         type.
3469         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3470         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3471         insn type.
3472         (call_internal, call_value_internal, return_internal,
3473         return_interrupt_internal, eh_return_internal, indirect_jump,
3474         tablejump): Set call insn type.
3475         (blockage, ei, di): Use appropriate unspec const.
3476         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3477         (ms1_get_attr_type): Adjust to give load & store types.
3478         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3479         backwards past a barrier.
3480         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3481         branch scheduling.
3482         (struct branch_info, struct label_info): New.
3483         (ms1_labels): New.
3484         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3485         (ms1_machine_reorg): New.
3486         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3487         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3488         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3489         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3490         (TARGET_MS2): New.
3491
3492 2005-11-09  Per Bothner  <per@bothner.com>
3493             Uros Bizjak  <uros@kss-loka.si>
3494
3495         PR c/24101
3496         * toplev.c (process_options): Initialize debug_hooks early
3497         in case lang_hooks.post_options ends up calling a debug_hook.
3498
3499 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3500
3501         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3502         DBX_REGISTER_NUMBER being contiguous.
3503
3504 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3505             Diego Novillo  <dnovillo@redhat.com>
3506
3507         PR 23046
3508         * tree-vrp.c (register_edge_assert_for): Do not register
3509         always-false predicates.
3510
3511 2005-11-08  Devang Patel <dpatel@apple.com>
3512
3513         PR tree-optimization/23115
3514         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3515         relation.
3516
3517 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3518
3519         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3520         -mcpu=440.
3521
3522 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3523
3524         Fix PR tree-optimization/23382
3525
3526         * tree-ssa-alias.c (compute_may_aliases): Call
3527         delete_old_heap_vars.
3528         * tree-dfa.c (referenced_var_remove): New function.
3529         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3530         * tree-flow.h (referenced_var_remove): Add prototype.
3531         (delete_old_heap_vars): Ditto.
3532         * tree-ssa-structalias.c (heapvars): New variable.
3533         (oldheapvars): Ditto.
3534         (get_constraint_for): Put heap vars on heapvars list.
3535         (delete_old_heap_vars): New function.
3536
3537 2005-11-08  Jason Merrill  <jason@redhat.com>
3538
3539         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3540
3541 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3542
3543         PR target/19340
3544         * reg-stack.c (reg_to_stack): Update register liveness also
3545         for flag_sched2_use_traces.
3546
3547 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3548
3549         PR target/23704
3550         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3551         override prior explicit -mno-powerpc-gfxopt.
3552
3553 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3554
3555         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3556         if the bitsize is zero.
3557         * doc/md.texi (Standard Pattern Names): Document it.
3558
3559         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3560         (TARGET_PASS_BY_REFERENCE): Likewise.
3561
3562 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3563
3564         PR rtl-optimization/24683
3565         * config/i386/i386.c (legitimize_pic_address): If constant operand
3566         to PLUS is too large, put it in a register.
3567
3568 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3569
3570         * configure.ac: Enable checking assembler dwarf2 support for bfin
3571         target.
3572         * configure: Regenerate.
3573
3574 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3575
3576         PR target/24230
3577
3578         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3579         gen_easy_vector_constant_add_self): Delete.
3580         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3581         New.
3582         (output_vec_const_move): Use gen_easy_altivec_constant.
3583         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3584         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3585         (easy_vector_constant_add_self): Rewritten.
3586         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3587         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3588         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3589         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3590         Macroize and adjust for the other changes.
3591
3592 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3593
3594         PR c/24599
3595
3596         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3597         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3598
3599 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3600
3601         PR rtl-optimization/23567
3602         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3603         (noce_process_if_block): Don't do any optimizations except
3604         if (cond) x = x; if !set_b and write into orig_x may trap
3605         or fault.  Remove the MEM_READONLY_P check.
3606
3607 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3608
3609         PR 24670
3610         * tree-vrp.c (fix_equivalence_set): New.
3611         (extract_range_from_assert): Call it.
3612
3613 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3614
3615         PR target/22432
3616         * combine.c (apply_distributive_law): Don't distribute across a
3617         vector mode subreg.
3618
3619 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3620
3621         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3622         config/ms1/ms1.h, config/rs6000/predicates.md,
3623         config/s390/s390.c, params.def, postreload-gcse.c,
3624         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3625         tree-vrp.c, tree.c: Fix comment typos.
3626         * doc/invoke.texi: Fix typos.
3627
3628 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3629
3630         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3631         for testing whether the data_dependence_relation contains distance
3632         vectors.  Iterate over all distance vectors of the ddr.
3633         * lambda.h: Define a vec of lambda_vector pointers.
3634         * tree-data-ref.c (dump_data_dependence_relation,
3635         dump_data_dependence_direction): Iterate over all distance and
3636         direction vectors of the ddr.
3637         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3638         DDR_DIST_VECTS.
3639         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3640         of distance/direction vectors instead of a single one.
3641         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3642         lambda_vectors with a vec of lambda_vectors.
3643         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3644         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3645         DDR_NUM_DIST_VECTS): New.
3646         * tree-loop-linear.c (gather_interchange_stats): Test for the
3647         existence of distance vectors only after having checked that there
3648         is a dependence.  Iterate over all distance vectors of the ddr.
3649         (linear_transform_loops): Use dump_data_dependence_relation.
3650         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3651         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3652         distance vectors of the ddr.
3653
3654 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3655
3656         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3657         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3658         IS_INTHANDLER; all callers changed.
3659         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3660         account.
3661         (do_link, do_unlink): New argument ALL; all callers changed.
3662         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3663         If function isn't leaf, save and restore all registers.
3664         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3665         exception handler.
3666
3667 2005-11-05  Jan Hubicka  <jh@suse.cz>
3668
3669         PR rtl-optimization/23490
3670         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3671         max-flow-memory-location): Document.
3672         * flow.c: Include params.h
3673         (MAX_MEM_SET_LIST_LEN): Kill.
3674         (add_to_mem_set_list): Use new param.
3675         * cse.c (cse_basic_block): Replace 1000 by new param.
3676         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3677         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3678         * predict.c (predict_loops): Use new param.
3679         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3680
3681         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3682         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3683         Do not hold memory returned by cgraph_node_name across other call.
3684
3685 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3686
3687         PR target/23424
3688         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3689         Disable.
3690
3691 2005-11-04  Jeff Law  <law@redhat.com>
3692
3693         PR/21883
3694         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3695         * tree-ssa-dom.c: Include params.h.
3696         (thread_across_edge): If there are too many statements in the
3697         target block, then do not thread through it.
3698         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3699         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3700
3701 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3702
3703         PR 24627
3704         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3705         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3706
3707 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3708
3709         PR/18595
3710         * tree-scalar-evolution.c (instantiate_parameters_1,
3711         instantiate_parameters, resolve_mixers): Compute the size of an
3712         expression to be instantiated and give up the instantiation if the
3713         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3714
3715 2005-11-04  Richard Guenther  <rguenther@suse.de>
3716
3717         * tree-flow.h (ref_contains_indirect_ref): Rename to
3718         array_ref_contains_indirect_ref.
3719         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3720         (array_ref_contains_indirect_ref): Make comment match the code
3721         and vice-versa.
3722         (ref_contains_array_ref): Likewise.
3723         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3724         ref_contains_indirect_ref.
3725         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3726         Rename calls to ref_contains_indirect_ref.
3727
3728 2005-11-04 Paul Brook  <paul@codesourcery.com>
3729
3730         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3731         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3732         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3733         * config/arm/arm.md: Use match_operand in peephole input templates
3734         and match_dup in peephole output templates.
3735
3736 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3737
3738         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3739         __aeabi_uidiv.
3740
3741 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3742             Daniel Jacobowitz  <dan@codesourcery.com>
3743
3744         * longlong.h (add_ssaaaa): Clobber condition code register
3745         in ARM version.
3746         (sub_ddmmss): Likewise.
3747         (umul_ppmm): Likewise.
3748
3749 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3750             Paul Brook  <paul@codesourcery.com>
3751             Phil Blundell  <pb@reciva.com>
3752
3753         * configure.ac: Add test for ARM TLS support.
3754         * configure: Regenerated.
3755         * config/arm/arm-protos.h (legitimize_tls_address)
3756         (arm_tls_referenced_p, tls_mentioned_p)
3757         (arm_output_addr_const_extra): New prototypes.
3758         (thumb_legitimize_pic_address): Delete.
3759         * config/arm/arm.c: Include "gt-arm.h".
3760         (enum tls_reloc): New.
3761         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3762         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3763         (arm_call_tls_get_addr, legitimize_tls_address)
3764         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3765         (arm_init_tls_builtins, arm_emit_tls_decoration)
3766         (arm_output_addr_const_extra): New functions.
3767         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3768         (TARGET_HAVE_TLS): Define.
3769         (target_thread_pointer): New.
3770         (arm_override_options): Handle -mtp=.
3771         (legitimize_pic_address): Ignore UNSPECs.
3772         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3773         relative symbols.
3774         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3775         (tls_get_addr_libfunc): New variable.
3776         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3777         (arm_init_builtins): Call arm_init_tls_builtins.
3778         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3779         (arm_encode_section_info): Call default_encode_section_info.
3780         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3781         (enum arm_tp_type): New.
3782         (target_thread_pointer): Add declaration.
3783         (LEGITIMATE_CONSTANT_P): Handle TLS.
3784         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3785         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3786         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3787         * config/arm/arm.md: Add UNSPEC_TLS.
3788         (movsi): Handle TLS.
3789         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3790         non-PIC.
3791         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3792         (load_tp_hard, load_tp_soft): New insns.
3793         * arm.opt: Add -mtp=.
3794         * doc/invoke.texi (ARM Options): Document -mtp.
3795
3796 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3797
3798         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3799         * config/arm/libunwind.S: Include "lib1funcs.asm".
3800         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3801         (LIB2ADDEH): Add libunwind.S.
3802         (LIB2ADDEHDEP): Add lib1funcs.asm.
3803         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3804
3805 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3806
3807         PR fortran/18452
3808         * gcc/c.opt: Add a -lang-fortran option.
3809         * gcc/c-opts.c: Add a lang_fortran flag.
3810         (c_common_init_options): Handling the -lang-fortran option.
3811         (c_common_handle_option): Add a case for Fortran options in
3812         preprocessing. Remove cases for -ffixed-form and
3813         -ffixed-line-length. Add a case for -lang-fortran.
3814
3815 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3816
3817         * config/rs6000/rs6000.c: Include params.h
3818         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3819         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3820         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3821         (UNSPEC_VPKUWSS): Delete.
3822         (altivec_vpkuhss): Delete.
3823         (altivec_vpkuwss): Delete.
3824         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3825         final condition.
3826         (neg_eq0<mode>): Remove final condition.
3827         (neg_eq<mode>): Remove condition and split-condition.
3828
3829 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3830
3831         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3832         Use associated print macros.
3833
3834 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3835
3836         PR c++/17964
3837         * diagnostic.c (diagnostic_set_info_translated): New function.
3838         (diagnostic_set_info): Use it.  Add comment.
3839         * diagnostic.h (diagnostic_set_info_translated): Declare.
3840
3841 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3842
3843         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3844         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3845         reference only if 'public' is true.
3846         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3847         emit the .hidden directive only if the indirect reference is public.
3848         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3849         Pass it to dw2_force_const_mem.
3850         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3851         * dwarf2out.c (output_cfi): Adjust calls to above function.
3852         (output_call_frame_info): Likewise.
3853         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3854         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3855
3856 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3857
3858         PR tree-optimization/24483
3859         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3860         field to elts if possible.
3861
3862 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3863
3864         PR middle-end/23155
3865         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3866         CONSTRUCTOR.
3867
3868 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3869
3870         Fix PR tree-optimization/24351
3871
3872         * tree-ssa-structalias.c (struct variable_info): Add
3873         collapsed_into.
3874         (get_varinfo_fc): New function to follow collapsing.
3875         (new_var_info): Set collapsed_to to NULL.
3876         (dump_constraint): Follow collapsing.
3877         (build_constraint_graph): Handle collapsing.
3878         (do_simple_structure_copy): Return false if something bad
3879         happened.
3880         (collapse_rest_of_var): New function.
3881         (do_structure_copy): Collapse if do_simple_structure_copy returns
3882         false.
3883
3884 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3885
3886         PR middle-end/24589
3887         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3888         expressions to a statement list instead of gimplifying them.
3889
3890 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3891
3892         PR rtl-optimization/23585
3893         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3894         that can't trap plus a constant integer, if the mode has zero size.
3895
3896 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3897
3898         PR target/24620
3899         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3900         as operand 2.
3901         ("*insv<mode>_reg_extimm"): Likewise.
3902
3903 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3904
3905         PR c/24329
3906         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3907         c_common_type_for_mode returns an unnamed type.
3908
3909 2005-11-02  Richard Henderson  <rth@redhat.com>
3910
3911         PR target/9350
3912         PR target/24374
3913         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3914         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3915         * function.c (assign_parms): Use calls.internal_arg_pointer.
3916         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3917         code.
3918         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3919         (TARGET_CALLS): Add it.
3920         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3921         * targhooks.c (default_internal_arg_pointer): New.
3922         * targhooks.h (default_internal_arg_pointer): Declare.
3923         * tree.h (dwarf2out_reg_save_reg): Declare.
3924         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3925         * config/i386/i386.c (dbx_register_map): Add return column.
3926         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3927         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3928         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3929         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3930         (ix86_save_reg): Save force_align_arg_pointer.
3931         (ix86_emit_save_regs): Make regno unsigned.
3932         (ix86_emit_save_regs_using_mov): Likewise.
3933         (ix86_expand_prologue): Handle force_align_arg_pointer.
3934         (ix86_expand_epilogue): Likewise.
3935         * config/i386/i386.h: (dbx_register_map): Update.
3936         (dbx64_register_map, svr4_dbx_register_map): Update.
3937         (struct machine_function): Add force_align_arg_pointer.
3938         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3939         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3940         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3941
3942 2005-11-02  Jan Hubicka  <jh@suse.cz>
3943
3944         PR target/23303
3945         * i386.md: Add peep2 for simplyfing array accesses.
3946
3947 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3948
3949         PR target/24615
3950         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3951         * config/s390/s390.c (s390_decompose_shift_count): New function.
3952         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3953         (print_shift_count_operand): Use s390_decompose_shift_count.
3954         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3955         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3956
3957 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3958
3959         PR target/24600
3960         * loop.c (loop_givs_rescan): Use force_operand to expand
3961         complex GIVs.
3962
3963 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3964
3965         PR 22429
3966         * fold-const.c (build_range_check): Use unsigned when signed
3967         overflow is undefined also.  If etype is subtype, make sure that
3968         the subtraction is in the supertype.
3969
3970 2005-11-02  Richard Henderson  <rth@redhat.com>
3971
3972         PR target/24178
3973         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3974         by MEM_ALIGN.
3975
3976 2005-11-01  Richard Henderson  <rth@redhat.com>
3977
3978         PR 21518
3979         * loop.c (scan_loop): Do not propagate computations to a hard
3980         register destination with SMALL_REGISTER_CLASSES.
3981
3982 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3983
3984         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3985         costs for MULT inside PLUS or MINUS.
3986
3987 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3988
3989         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3990         (TRAMPOLINE_SIZE): Round up to 60.
3991         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3992
3993 2005-10-31  James E. Wilson  <wilson@specifix.com>
3994
3995         PR debug/24444
3996         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3997         ifdef.  Put ifdefs around call in gen_subprogram_die.
3998         (compute_frame_pointer_to_cfa_displacement): Likewise.
3999         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4000         not defined.
4001
4002         PR rtl-optimization/17356
4003         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4004         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4005
4006 2005-10-31  Jan Hubicka  <jh@suse.cz>
4007
4008         PR middle-end/24093
4009         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4010
4011         PR target/20928
4012         * i386.c (legitimize_pic_address): Deal with large immediates.
4013
4014         PR profile/20815
4015         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4016         from symbol names while computing checkup.
4017
4018         PR profile/24487
4019         * predict.c (predict_loops): Do not estimate more than
4020         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4021         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4022
4023 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4024
4025         PR tree-optimization/19097
4026         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4027
4028 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4029
4030         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4031
4032 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4033
4034         PR middle-end/23492
4035         * tree-inline.c (setup_one_parameter): If the init_stmt
4036         is NULL, don't insert the statement.
4037
4038 2005-10-30  Jan Hubicka  <jh@suse.cz>
4039
4040         PR tree-optimization/24172
4041         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4042
4043 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4044
4045         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4046         constants for hosts with long != 32 bits.
4047
4048 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4049
4050         PR middle-end/24093
4051         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4052
4053 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4054
4055         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4056         (TARGET_MS1_16_002): New.
4057         (TARGET_MS1_16_003): New.
4058
4059         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4060         ("*decrement_and_branch_until_zero_no_clobber"): New.
4061         Add corresponding splitter for decrement_and_branch_until_zero
4062         instruction.
4063         Key all decrement_and_branch_until_zero patterns off of
4064         TARGET_MS1_16_003.
4065
4066 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4067
4068         PR middle-end/24362
4069         * tree-complex.c (extract_component): Treat RESULT_DECL
4070         like the rest of the decls.
4071
4072 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4073
4074         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4075         indirect call to _mcount if the function needs a static chain.
4076
4077 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4078             Caroline Tice  <ctice@apple.com>
4079
4080         PR rtl-optimization/24460
4081         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4082         (dwarf2out_switch_text_section): Set it to true instead of
4083         incrementing separate_line_info_table_in_use.
4084         (output_loc_list): Additionally test have_switched_text_sections.
4085         (output_ranges): Likewise.
4086         (dwarf2out_finish): Likewise.
4087         * varasm.c (assemble_start_function): Do not call
4088         insert_section_boundary_note.
4089         (assemble_end_function): If flag_reorder_blocks_and_partition,
4090         switch to the function's section before emitting the .size directive.
4091         * bb-reorder.c (insert_section_boundary_note): Staticify.
4092         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4093         * output.h (insert_section_boundary_note): Delete.
4094
4095 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4096
4097         PR c/23103
4098         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4099         instead of pointer equality when comparing types.
4100
4101 2005-10-24  James E. Wilson  <wilson@specifix.com>
4102
4103         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4104         add_dependence_list_and_free calls.
4105
4106 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4107
4108         * contrib.texi: Add the names of the LLNL folks who donated
4109         Cray pointer support for gfortran.
4110
4111 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4112
4113         PR tree-optimization/24225
4114         * profile.c (branch_prob): Look from end to start through a
4115         basic block when looking for a locus.
4116
4117 2005-10-24  Richard Henderson  <rth@redhat.com>
4118
4119         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4120         parallel.
4121         (hppa_expand_prologue): Likewise.
4122
4123 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4124
4125         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4126         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4127         * pa.h (NO_PROFILE_COUNTERS): Define.
4128         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4129         (funcdef_nos): New vector to hold label numbers of deferred profile
4130         counters.
4131         (output_deferred_profile_counters): New function.
4132         (hppa_profile_hook): Push label number onto funcdef_nos.
4133         (pa_hpux_file_end): Call output_deferred_profile_counters if
4134         NO_DEFERRED_PROFILE_COUNTERS is false.
4135
4136         * pa-protos.h (get_deferred_plabel): New prototype.
4137         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4138         Make global.
4139         (output_call): Adjust calls.
4140
4141 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4142
4143         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4144         peculiarity of GOT/TOC section usage.
4145
4146 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4147
4148         PR objc/24435
4149          * c-common.c (constant_string_class_name): Add documentation.
4150
4151 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4152
4153         PR target/23832
4154         * recog.c (peephole2_optimize): Increment peep2_current_count
4155         only when the slot is empty.
4156
4157 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4158
4159         PR ada/23957
4160         * except.c (output_function_exception_table): Call
4161         assemble_external_libcall if we need a personality function.
4162
4163 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4164
4165         PR rtl-optimization/24460
4166         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4167         set the basic block for barriers.
4168
4169 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4170
4171         * var-tracking.c (vt_initialize): Initialize post.
4172
4173 2005-10-21  Devang Patel  <dpatel@apple.com>
4174
4175         PR/24220
4176         * c-common.c (vector_types_convertible_p): Check vector element type.
4177
4178 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4179
4180         * config/sh/sh.c (prepare_move_operands): Handle the address
4181         constant which is a tls symbolic address plus a constant.
4182
4183 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4184
4185         PR driver/24473
4186         * gcc.c (main): Use the correct counter for erroring out
4187         about mulitple files.
4188
4189 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4190
4191         PR target/24465
4192         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4193         use r2 for 64-bit tls .got access.
4194
4195 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4196
4197         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4198         TRUTH_OR_EXPR.
4199
4200 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4201
4202         PR tree-optimization/24307
4203         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4204
4205 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4206
4207         PR middle-end/24295
4208         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4209         alias targets.
4210         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4211         is ready, stop marking functions, but still mark variables.
4212
4213 2005-10-20  Richard Guenther  <rguenther@suse.de>
4214
4215         PR c++/24439
4216         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4217         void type operands.
4218
4219 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4220
4221         PR rtl-optimization/23585
4222         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4223         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4224         (may_trap_p_1): New predicate extracted from...
4225         (may_trap_p): ... here.  Invoke may_trap_p_1.
4226         (may_trap_or_fault_p): New predicate.
4227         * rtl.h (may_trap_or_fault_p): Declare it.
4228         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4229         instead of may_trap_p.
4230         (steal_delay_list_from_fallthrough): Likewise.
4231         (fill_simple_delay_slots): Likewise.
4232         (fill_slots_from_thread): Likewise.
4233         * function.c (pad_to_arg_alignment): Rework comment about
4234         SPARC_STACK_BOUNDARY_HACK.
4235         * config/sparc/sparc.h: Likewise.
4236
4237 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4238
4239         * config/s390/s390.c (s390_expand_insv): New.
4240         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4241         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4242         ("icm_hi"): Remove mode attribute.
4243         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4244         Adjust all uses.
4245         ("*extracthi", "*extractqi"): Remove.
4246         (extv<mode>", "*extzv<mode>"): New.
4247         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4248         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4249
4250 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4251
4252         * cfgexpand.c (discover_nonconstant_array_refs_r,
4253         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4254         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4255         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4256         discover_nonconstant_array_refs.
4257
4258 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4259
4260         PR c/23228
4261         * c-decl.c (pop_scope): Don't warn about an unused variable
4262         if it is marked with TREE_NO_WARNING.
4263         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4264         somenow mismatch and olddecl is to be replaced.
4265
4266 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4267
4268         PR middle-end/23199
4269         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4270         whether registers live on the edge can be saved/restored.
4271
4272 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4273
4274         * config/sh/sh.c (fixup_mova): Skip notes.
4275
4276 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4277
4278         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4279         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4280         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4281         (s390_initial_elimination_offset): Likewise.
4282         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4283         register on TARGET_ZARCH targets.
4284         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4285         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4286         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4287         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4288
4289 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4290
4291         * config/s390/s390.md: Comment describing output modifiers updated.
4292         * config/s390/s390.c (print_operand): Likewise.
4293
4294 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4295
4296         * config/s390/s390.c (override_options): Added check for -mstack-size
4297         64k limitation.
4298         * doc/invoke.texi: Mention that limit in the documenation.
4299
4300 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4301
4302         PR #19672
4303         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4304
4305 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4306
4307         Fix PR tree-optimization/24231
4308
4309         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4310         (compute_avail): Ditto.
4311
4312 2005-10-18  Richard Henderson  <rth@redhat.com>
4313
4314         PR target/24428
4315         * config/i386/i386.c (legitimate_constant_p): Check
4316         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4317         if LABEL_REF.
4318         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4319         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4320         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4321         directly.
4322         (print_operand_address): Likewise.
4323         * config/i386/predicates.md (x86_64_immediate_operand): Test
4324         SYMBOL_REF_TLS_MODEL properly inside CONST.
4325         (x86_64_zext_immediate_operand): Likewise.
4326         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4327         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4328         * config/i386/i386-protos.h: Remove predicates.md entries.
4329
4330 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4331
4332         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4333         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4334
4335 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4336             Ian Lance Taylor <ian@airs.com>
4337
4338         PR middle-end/23522
4339         * fold-const.c (fold_widened_comparison): Do not allow range based
4340         constant folding when right operand cannot be unwidened.
4341
4342 2005-10-17  Richard Henderson  <rth@redhat.com>
4343
4344         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4345         with a memory clobber.
4346
4347 2005-10-17  James E Wilson  <wilson@specifix.com>
4348
4349         PR rtl-optimization/17356
4350         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4351         checking for EDGE_EH.
4352
4353 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4354
4355         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4356         the slot on an even boundary for any type with 16-byte alignment.
4357
4358 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4359
4360         PR target/23424
4361         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4362         after register allocation.
4363
4364 2005-10-17  DJ Delorie  <dj@redhat.com>
4365
4366         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4367         as frame related.
4368
4369 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4370
4371         PR c++/22551
4372         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4373         overflow flags.
4374
4375 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4376
4377         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4378         to 2 if it's already non-zero.
4379         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4380         is set and warn about it if flag_schedule_insns is 1.
4381
4382 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4383
4384         * config/crx/crx.md: Compare-and-branch instructions need to
4385         invalidate CC.
4386
4387 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4388
4389         PR target/24315
4390         * config/i386/i386.md (*pushdi2_rex64 splitter)
4391         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4392         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4393         flow2 pass only when (optimize > 0 && flag_peephole2).
4394
4395 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4396
4397         PR driver/22544
4398         * gcc.c (have_c): New static variable.
4399         (have_o): Likewise.
4400         (process_command): Remove declation of have_c.
4401         Set have_o to 1 when handling -o.
4402         (main): Add a fatel error if there are multiple
4403         files specified and -o and -c/-S is passed witout
4404         -combine or multiple languages.
4405
4406 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4407
4408         Fix PR tree-optimization/22444
4409         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4410         Assert that we don't hit something with subvars.
4411         (setup_pointers_and_addressables): Don't add things with subvars,
4412         because we'll already process the subvars for aliasing purposes.
4413
4414 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4415
4416         PR target/23424
4417         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4418         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4419         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4420         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4421         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4422         swapped, alternatives for the R constraint.
4423
4424         PR middle-end/24341
4425         * builtins.c (get_builtin_sync_mode): Make unlimited
4426         mode_for_size request.
4427
4428 2005-10-15  Richard Henderson  <rth@redhat.com>
4429
4430         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4431         (gimplify_expr): ... here.
4432         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4433         fb_lvalue in base expression.
4434
4435 2005-10-15  Richard Henderson  <rth@redhat.com>
4436
4437         PR 23714
4438         * builtins.c (expand_builtin_trap): Export.
4439         * expr.h (expand_builtin_trap): Declare.
4440         * expr.c (expand_assignment): Emit a trap for integral offsets
4441         from registers that weren't reduced to bitpos.
4442
4443         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4444         (mark_array_ref_addressable): Remove.
4445         * tree-flow.h (mark_array_ref_addressable): Remove.
4446         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4447
4448 2005-10-15  James E Wilson  <wilson@specifix.com>
4449
4450         PR target/24232
4451         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4452         (add_dependence_list_and_free): Likewise.
4453         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4454         call.
4455
4456 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4457
4458         PR 23141
4459         PR 23142
4460         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4461         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4462         anti-range.
4463         (vrp_visit_phi_node): Only prevent infinite iterations when
4464         the previous result and the new result are both VR_RANGEs.
4465
4466 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4467
4468         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4469         function comment.
4470
4471 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4472
4473         PR c/23439
4474         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4475         to initialize loc.
4476
4477 2005-10-14  Per Bothner  <per@bothner.com>
4478
4479         PR preprocessor/21250
4480         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4481
4482 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4483
4484         PR c++/22551
4485         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4486         overflow flags.  Refactor some conditionals.
4487
4488 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4489
4490         PR tree-opt/21304
4491         * tree-dfa.c (add_referenced_var): Only look at decls which
4492         have TREE_CONSTANT or TREE_READONLY set instead of if
4493         !TREE_PUBLIC or !TREE_CONSTANT.
4494
4495 2005-10-13  James E Wilson  <wilson@specifix.com>
4496
4497         * doc/invoke.texi: For -x, add f95-cpp-input.
4498         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4499
4500 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4501
4502         PR tree-optimization/24262
4503         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4504         in loop all the time.
4505
4506 2005-10-12  Richard Henderson  <rth@redhat.com>
4507
4508         PR c/24255
4509         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4510         * function.c (assign_parm_find_data_types): Don't support it.
4511         * print-tree.c (print_node): Likewise.
4512         * c-common.c (handle_transparent_union_attribute): Likewise.
4513         Use build_duplicate_type.
4514         * tree-inline.c (remap_type_1): Split out of remap_type;
4515         properly remap aggregate fields.
4516         (build_duplicate_type): New.
4517         * doc/extend.texi (Variable Attributes): Remove documentation
4518         for transparent_union.
4519
4520 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4521
4522         PR target/24284
4523         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4524         (gen_stack_pointer_dec): Likewise.
4525
4526 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4527
4528         PR middle-end/21275
4529         PR middle-end/21766
4530         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4531         target hook.
4532         (struct cxx): Add adjust_class_at_definition target hook.
4533         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4534         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4535         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4536         hook_void_tree. Add to TARGET_CXX.
4537         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4538         dllimport_flag.
4539         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4540         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4541         instead of attribute. Check for dllexport override.  Warn if
4542         inconsistent dll linkage. Don't lose old dllimport if decl has
4543         had address referenced.   Tweak lookup of dllimport atribute.
4544         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4545         for target specific rules.  Don't add dllimport attribute if
4546         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4547         dllimport attribute.
4548         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4549         * varasm.c (initializer_constant_valid_p): Replace
4550         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4551
4552         PR target/21801
4553         PR target/23589
4554         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4555         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4556         (i[34567]86-*-mingw32*): Likewise.
4557
4558         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4559         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4560
4561         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4562         C++-specific code. Change return value to bool.
4563         (i386_pe_dllimport_p): Likewise.
4564         (associated_type): Simplify and make language-independent
4565         (i386_pe_encode_section_info): Replace override of ambiguous
4566         dllimport symbol refs with a gcc_assert.
4567         (i386_pe_valid_dllimport_attribute_p): Define.
4568         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4569         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4570         i386_pe_adjust_class_at_definition.
4571         * config/i386/winnt-stubs.c: New file. Define stub versions of
4572         lang-specific functions.
4573         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4574         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4575         i386_pe_adjust_class_at_definition.
4576         (i386_pe_valid_dllimport_attribute_p): Declare.
4577         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4578         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4579         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4580
4581         PR target/19704
4582         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4583         dllimport attribute with test of DECL_DLLIMPORT_P.
4584
4585 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4586
4587         * combine.c (make_extraction): Correct offset computation.
4588
4589 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4590
4591         * config/cris/t-linux (LIMITS_H_TEST): Define.
4592
4593 2005-10-12  Richard Henderson  <rth@redhat.com>
4594
4595         PR rtl-opt/23324
4596         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4597
4598 2005-10-12  Richard Guenther  <rguenther@suse.de>
4599
4600         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4601
4602 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4603
4604         PR c++/19964
4605         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4606         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4607         type.
4608
4609 2005-10-12  Richard Guenther  <rguenther@suse.de>
4610
4611         PR c++/23799
4612         * varasm.c (output_constant): Correct typo from previous
4613         patch by DJ.
4614
4615 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4616
4617         PR rtl-optimization/13931
4618         * combine.c: Revert patch of 2003-05-14, and:
4619         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4620         completely killed in the appropriate insn.
4621         (distribute_notes): Don't skip multiple hard register test for
4622         elim_i1 and elim_i2.
4623
4624 2005-10-11  Richard Henderson  <rth@redhat.com>
4625
4626         PR c/24255
4627         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4628         to initialize a transparent union instead of a nop_expr.
4629
4630 2005-10-11  Richard Henderson  <rth@redhat.com>
4631
4632         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4633         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4634         (tree_ssa_dce_loop): Call scev_reset.
4635
4636         PR tree-opt/24300
4637         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4638         * tree-ssa-dce.c: Include cfgloop.h.
4639         (tree_ssa_dce_loop, pass_dce_loop): New.
4640         * tree-pass.h (pass_dce_loop): Declare it.
4641         * passes.c (init_optimization_passes): Use it.
4642
4643 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4644
4645         PR middle-end/24263
4646         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4647         Only apply the optimization for rounding builtins if the inner
4648         cast is also an extension.
4649
4650 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4651
4652         PR tree-opt/23946
4653         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4654         mark_new_vars_to_rename instead of update_stmt.
4655
4656 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4657
4658         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4659
4660 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4661
4662         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4663         for setting MMX register to 0 rather than mmx.
4664
4665 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4666
4667         PR target/12098
4668         * configure.ac: Move gas check from mips specific case to common case.
4669         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4670         * configure: Regenerate
4671         * doc/install.texi: Update.
4672
4673 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4674
4675         PR target/24284
4676         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4677
4678 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4679
4680         * gcc.c (do_spec_1): Accept numeric characters in file name
4681         suffixes.
4682
4683 2005-10-10  Nick Clifton  <nickc@redhat.com>
4684
4685         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4686         describing the deleted arm_gen_rotated_half_load function.
4687
4688 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4689
4690         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4691         __fpscr_values.
4692
4693 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4694
4695         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4696         gnu_ld assignments.
4697         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4698         (EXTRA_MULTILIB_PARTS): Define.
4699         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4700         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4701         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4702         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4703         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4704         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4705
4706 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4707
4708         PR tree-optimization/24226
4709         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4710         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4711         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4712         Export.
4713
4714 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4715
4716         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4717
4718 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4719
4720         PR target/24136
4721         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4722         Rewrite for no need for the early clobber.
4723
4724 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4725
4726         Merge from csl-arm-branch:
4727         2005-09-07  Paul Brook  <paul@codesourcery.com>
4728         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4729         space to string.
4730
4731         2005-04-30  Paul Brook  <paul@codesourcery.com>
4732         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4733         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4734
4735         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4736         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4737         (arm_override_options): Use TARGET_AAPCS_BASED.
4738         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4739         (PTRDIFF_TYPE): Use int for AAPCS.
4740         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4741         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4742         (DEFAULT_SHORT_ENUMS): Delete.
4743         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4744
4745         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4746         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4747         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4748         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4749
4750         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4751         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4752
4753         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4754         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4755
4756         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4757         * config.gcc (arm*-*-linux-gnueabi): Add it.
4758         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4759         redefining it.
4760         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4761         * config/arm/linux-eabi.h: New file.
4762         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4763         (LINUX_TARET_LINK_SPEC): Likewise.
4764         (LINK_SPEC): Use it.
4765         * config/arm/t-linux-eabi: New file.
4766
4767 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4768
4769         PR other/22202
4770         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4771         spaces.
4772         (PARAM_SMS_DFA_HISTORY): Likewise.
4773
4774 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4775
4776         PR middle-end/23150
4777         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4778         (load_register_parameters): Call it.
4779         (check_sibcall_argument_overlap_1): Likewise.
4780         (store_one_arg): Likewise.
4781
4782 2005-10-07  James E. Wilson  <wilson@specifix.com>
4783
4784         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4785         DImode not VECINT24 for operand 2.
4786
4787         PR target/23644
4788         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4789         -mtune-arch.
4790
4791         PR target/24193
4792         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4793         fr_spill): Use destination_operand for operand 0.
4794
4795 2005-10-07  DJ Delorie  <dj@redhat.com>
4796
4797         * varasm.c (output_constant): Limit error to expanding
4798         conversions.
4799
4800 2005-10-07  Richard Guenther  <rguenther@suse.de>
4801
4802         PR middle-end/24227
4803         * fold-const.c (fold_binary): Fix operand types during folding
4804         of X op (A, Y).  Evaluation order of the side-effects of
4805         X and A are frontend-defined, so ensure we honour that even for
4806         tcc_comparison class operands; eased by removing duplicate code.
4807
4808 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4809
4810         * stor-layout.c (layout_type): Do not allow alignment of array
4811         elements to be greater than their size.
4812
4813 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4814
4815         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4816         host_xmake_file.
4817         (hppa*-*-linux*): Ditto.
4818         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4819         * config/host-hpux.c: New.
4820         * config/x-hpux: New.
4821         * config/pa/x-hpux: Remove.
4822         * config/pa/x-linux: Remove.
4823         * config/pa/pa-host.c: Remove.
4824
4825 2005-10-07  Jeff Law  <law@redhat.com>
4826
4827         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4828         determine whether or not to try and thread outgoing edges.
4829
4830 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4831
4832         * config/rs6000/rs6000.md (eqsi_power): New.
4833         (neg_eq0si): Add TARGET_POWER to final condition.
4834         (neg_eqsi): Same.
4835
4836 2005-10-06  Richard Henderson  <rth@redhat.com>
4837
4838         * config/rs6000/rs6000.c: Revert last change.
4839
4840 2005-10-06  Richard Henderson  <rth@redhat.com>
4841
4842         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4843         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4844
4845 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4846
4847         PR middle-end/22216
4848         PR middle-end/23651
4849         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4850         out return_label and naked_return_label.
4851
4852 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4853
4854         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4855         change.
4856
4857 2005-10-06  Richard Henderson  <rth@redhat.com>
4858
4859         PR tree-opt/22237
4860         * tree-inline.c (declare_return_variable): Handle modify_dest not
4861         being a DECL.
4862
4863 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4864
4865         Fix PR tree-optimization/22488
4866         * tree-ssa-structalias.c (check_for_overlaps): New function.
4867         (create_variable_info_for): Use it.
4868
4869 2005-10-06  Richard Henderson  <rth@redhat.com>
4870
4871         PR debug/24070
4872         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4873         (dwarf2out_start_source_file): Print it.
4874
4875 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4876
4877         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4878
4879 2005-10-06  Richard Henderson  <rth@redhat.com>
4880
4881         PR 23706
4882         * mode-switching.c (optimize_mode_switching): Clear transp bit
4883         for block with incomming abnormal edges.
4884
4885         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4886         (fpscr_set_from_mem): Use them.
4887         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4888         (fpscr postinc splitters): Rewrite as peephole2+split.
4889
4890 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4891
4892         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4893         (eq<mode>_compare): Same.
4894
4895 2005-10-06  Richard Guenther  <rguenther@suse.de>
4896
4897         PR tree-optimization/24238
4898         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4899
4900 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4901
4902         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4903         here.  Use AC_PATH_PROG for environment variables instead of
4904         test -x.
4905         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4906         objdump also.
4907         * configure: Regenerated.
4908
4909 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4910
4911         PR target/23783
4912         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4913         then force it into a register.
4914         (call_value): Likewise.
4915
4916 2005-10-06  Richard Henderson  <rth@redhat.com>
4917
4918         PR 24049
4919         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4920         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4921         under pass_vectorize.
4922
4923 2005-10-05  Devang Patel  <dpatel@apple.com>
4924
4925         PR Debug/23205
4926         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4927         handling constants. Check NAMESPACE_DECL context for constants.
4928
4929 2005-10-05  Eric Christopher  <echristo@apple.com>
4930
4931         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4932
4933 2005-10-05  Richard Henderson  <rth@redhat.com>
4934
4935         PR 23714
4936         * tree-cfg.c (mark_array_ref_addressable_1): New.
4937         (mark_array_ref_addressable): New.
4938         * tree-flow.h (mark_array_ref_addressable): Declare.
4939         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4940
4941 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4942
4943         PR middle-end/20606
4944         PR middle-end/24069
4945         * reload.c (subst_reloads): When adding a REG_LABEL to a
4946         jump instruction, also update JUMP_LABEL.
4947
4948 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4949
4950         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4951         * bb-reorder.c (copy_bb_p): Use it.
4952         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4953
4954 2005-10-05  Richard Henderson  <rth@redhat.com>
4955
4956         PR target/23602
4957         * toplev.c (process_options): Warn about unsupported combinations
4958         of unwind tables and omit-frame-pointer.
4959         * config/i386/i386.c (override_options): Similarly.  Enable
4960         accumulate-outgoing-args if not explicitly disabled.
4961
4962 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4963
4964         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4965         Handle big endian vs. small endian.
4966         (vec_initv2sf): Handle big endian vs. small endian.
4967         (*vec_extractv2sf_1): Ditto.
4968
4969 2005-10-05  Dale Johannesen  <dalej@apple.com>
4970
4971         * convert.c (convert_to_real):  Don't convert
4972         (float)floor(double d) to floorf((float)d).
4973
4974 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4975
4976         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4977
4978 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4979
4980         PR tree-optimization/18587
4981         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4982         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4983         build_vuses): Change to VEC type.
4984         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4985         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4986         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4987         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4988         (get_name_decl): New.  Return DECL_UID of base variable.
4989         (operand_build_cmp): New.  qsort comparison routine.
4990         (operand_build_sort_virtual): New.  Sort virtual build vector.
4991         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4992         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4993         (FINALIZE_BASE): Use get_name_decl.
4994         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4995         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4996         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4997         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4998         direct VEC_* manipulations.
4999         (build_ssa_operands): Call operand_build_sort_virtual.
5000         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5001         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5002         with direct VEC_* manipulations.
5003         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5004         with direct VEC manipulations.
5005
5006 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5007
5008         PR tree-optimization/21419
5009         PR tree-optimization/24146
5010         PR tree-optimization/24151
5011
5012         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5013         (build_asm_expr): Call it if outputs are read-only.
5014         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5015
5016 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5017             Paolo Bonzini  <bonzini@gnu.org>
5018
5019         PR target/23809
5020
5021         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5022         enable the instructions and not just the built-ins.
5023         * doc/invoke.texi (x86 Options): Likewise.
5024
5025 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5026
5027         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5028
5029         * doc/invoke.texi (Option Summary): Correct spelling
5030         of -mmacosx-version-min.
5031
5032 2005-10-04  Devang Patel  <dpatel@apple.com>
5033
5034         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5035         real types.
5036
5037 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5038
5039         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5040         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5041
5042 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5043
5044         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5045         ("TE","tg"): New mode attributes.
5046         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5047         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5048         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5049         dword_mode and one for GPRmode.
5050
5051 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5052
5053         PR preprocessor/13726
5054         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5055         any comments passed in.
5056
5057 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5058
5059         * tree.c (annotate_with_file_line): Fix typo.
5060
5061 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5062
5063         PR ada/19382
5064         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5065         type used to access data in the inlined length == 1 case, use
5066         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5067         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5068
5069 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5070
5071         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5072         TARGET_SSE3 and only for TARGET_80387.
5073         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5074         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5075         Do not depend on TARGET_80387.
5076
5077 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5078
5079         * tree.c (last_annotated_node): Change type to location_t*.
5080         (annotate_with_file_line): Reflect the change of
5081         last_annotated_node type.
5082
5083 2005-10-04  Richard Guenther  <rguenther@suse.de>
5084
5085         PR c/23576
5086         * c-decl.c (grokdeclarator): Don't write to fields
5087         of error_mark_node.
5088
5089 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5090
5091         PR middle-end/23125
5092         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5093         register variables.
5094         * varasm.c (make_decl_rtl): If a register variable does not
5095         have a set user assmbler name, error out.
5096         Decode the asmspec is now name+1 bypassing '*'.
5097
5098 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5099
5100         PR tree-optimization/23049
5101         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5102         of a COND_EXPR is folded before calling fold on the whole rhs of a
5103         conditional assignment.
5104         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5105         document that a COND_EXPR may appear there.
5106
5107 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5108
5109         PR 23445
5110         * tree-vrp.c (extract_range_from_assert): If the new numeric
5111         range created out of the assertion contradicts the existing
5112         numeric range of the ASSERT_EXPR variable, make the new range
5113         varying.
5114
5115 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5116
5117         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5118         from T_REGS to FP register class.
5119
5120 2005-10-03  Richard Henderson  <rth@redhat.com>
5121
5122         PR 24135
5123         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5124         before creating a new one.
5125
5126 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5127
5128         * config/rs6000/t-aix43 (LDFLAGS): New.
5129         * config/rs6000/t-aix52 (LDFLAGS): New.
5130
5131 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5132
5133         * gimplify.c (find_single_pointer_decl_1): New static function.
5134         (find_single_pointer_decl): New static function.
5135         (internal_get_tmp_var): For a formal variable, set restrict base
5136         information if appropriate.
5137         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5138         return it.
5139         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5140         (DECL_GET_RESTRICT_BASE): Define.
5141         (SET_DECL_RESTRICT_BASE): Define.
5142         (decl_restrict_base_lookup): Declare.
5143         (decl_restrict_base_insert): Declare.
5144         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5145         * tree.c (restrict_base_for_decl): New static variable.
5146         (init_ttree): Initialize restrict_base_for_decl.
5147         (copy_node_stat): Copy restrict base information.
5148         (decl_restrict_base_lookup): New function.
5149         (decl_restrict_base_insert): New function.
5150         (print_restrict_base_statistics): New static function.
5151         (dump_tree_statistics): Call print_restrict_base_statistics.
5152
5153 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5154
5155         PR 24142
5156         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5157         case of anti-ranges.
5158
5159 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5160
5161         PR c/18851
5162         * c-typeck.c (tagged_tu_seen): Rename to ...
5163         (tagged_tu_seen_cache): this and add val field.
5164         (comptypes): Move functional to comptypes_internal
5165         and free tagged_tu_seen.
5166         (comptypes_internal): New function and call comptypes_internal
5167         instead of comptypes. Speed up by sibcalling
5168         tagged_types_tu_compatible_p.
5169         (alloc_tagged_tu_seen): New function
5170         (free_all_tagged_tu_seen_up_to): New function.
5171         (tagged_types_tu_compatible_p): Return the val of the seen two
5172         types.
5173         Add that the two types are the same to tagged_tu_seen_base
5174         if they are and call comptypes_internal instead of comptypes.
5175         <case UNION_TYPE>: Speed up common type where the fields are
5176         in the same order.
5177         (function_types_compatible_p): Call comptypes_internal instead of
5178         comptypes.
5179         (type_lists_compatible_p): Likewise.
5180         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5181
5182 2005-10-02  Matthias Klose  <doko@debian.org>
5183
5184         * doc/invoke.texi: Fix typo and speling error.
5185
5186 2005-10-01  Richard Henderson  <rth@redhat.com>
5187
5188         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5189
5190 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5191
5192         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5193         using --start-group and --end-group.
5194
5195 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5196
5197         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5198         FIXME note regarding quirky semantics.
5199
5200 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5201
5202         PR 24141
5203         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5204         non-null range as a last resort.
5205
5206 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5207             Diego Novillo  <dnovillo@redhat.com>
5208
5209         PR 23604
5210         * tree-vrp.c (extract_range_from_assert): For !=
5211         assertions, only build an anti-range if LIMIT is a
5212         single-valued range.
5213
5214 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5215
5216         * arm.md (movqi): On thumb when optimizing, handle loading from
5217         memory by describing this as taking a subreg of a zero-extended load
5218         into an SImode register.
5219         (movhi): Likewise.
5220
5221 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5222
5223         * reload1.c (merge_assigned_reloads): Do not change any
5224         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5225
5226 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5227
5228         * Makefile.in (LIPO_FOR_TARGET): Define.
5229         (STRIP_FOR_TARGET): Define.
5230
5231         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5232         before creating new ones.  Do symlinks before creating the actual
5233         targets.
5234
5235         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5236         to work out which multilibs are actually being built.
5237
5238 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5239
5240         * tree-vect-transform.c, config/ms1/ms1.md,
5241         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5242         Follow spelling conventions.
5243         * doc/invoke.texi, doc/md.texi: Fix typos.
5244
5245 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5246
5247         PR tree-optimization/21430
5248         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5249         use operands, and set stmt pointer if need be.
5250         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5251         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5252         present.
5253
5254 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5255
5256         PR middle-end/24053
5257         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5258
5259 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5260
5261         * optabs.c (expand_binop): Initialize first_pass_p.
5262
5263 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5264
5265         PR middle-end/24109
5266         * c-decl.c (c_write_global_declarations_1): If any
5267         wrapup_global_declaration_2 call returned true, restart the loop.
5268
5269 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5270
5271         Fix PR tree-optimization/24117
5272         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5273         before considering whether to use anyoffset.
5274
5275 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5276
5277         Revert this patch:
5278
5279         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5280
5281         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5282         to order operands.
5283         (swap_commutative_operands_with_target): New.
5284
5285 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5286
5287         PR c/21419
5288         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5289         read-only.
5290
5291 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5292
5293         PR tree-optimization/23911
5294         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5295         and IMAGPART_EXPR too.
5296
5297 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5298
5299         PR 17886
5300         * expmed.c (expand_shift): Move logic to reverse rotation
5301         direction when  rotating by constants ...
5302         * optabs.c (expand_binop): ... here.
5303         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5304         (ix86_rotrdi3): New pattern.
5305         (rotldi3): Handle 32-bit mode.
5306         (ix86_rotldi3): New pattern.
5307
5308 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5309
5310         PR target/24102
5311         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5312         check for numbers that need no bit twiddle.
5313
5314 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5315
5316         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5317         multilib to be built.
5318
5319         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5320         (stage1-start): Delete old libgcc and libunwind before moving
5321         anything into the stage directory.
5322         (stage2-start): Likewise.
5323         (stage3-start): Likewise.
5324         (stage4-start): Likewise.
5325         (stageprofile-start): Likewise.
5326         (stagefeedback-start): Likewise.
5327         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5328         header in tm_file and CPU-specific t-darwin in tmake_file.
5329         (i[34567]86-*-darwin*): Don't change tm_file.
5330         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5331         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5332         shared library stub for target OS version.
5333         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5334         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5335         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5336         (libgcc_s.%.dylib): New.
5337         (LIBGCC): Define.
5338         (install-darwin-libgcc-stubs): New.
5339         (INSTALL_LIBGCC): New append.
5340         * config/i386/darwin-libgcc.10.4.ver: New.
5341         * config/i386/darwin-libgcc.10.5.ver: New.
5342         * config/i386/t-darwin: New.
5343         * config/rs6000/darwin-libgcc.10.4.ver: New.
5344         * config/rs6000/darwin-libgcc.10.5.ver: New.
5345         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5346         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5347
5348 2005-09-28  Paul Brook  <paul@codesourcery.com>
5349
5350         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5351         denormals.
5352
5353 2005-09-28  Richard Guenther  <rguenther@suse.de>
5354
5355         PR tree-optimization/23853
5356         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5357         host_integerp to verify misalignment value.
5358
5359 2005-09-28  Richard Henderson  <rth@redhat.com>
5360
5361         * builtins.c (get_builtin_sync_mode): New.
5362         (expand_builtin_sync_operation): Pass in mode argument.
5363         (expand_builtin_compare_and_swap): Likewise.
5364         (expand_builtin_lock_test_and_set): Likewise.
5365         (expand_builtin_lock_release): Likewise.
5366         (expand_builtin): Update to match.
5367
5368 2005-09-28  Nick Clifton  <nickc@redhat.com>
5369
5370         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5371         formatting.  Add check to PLUS case to ensure that the offset is
5372         within an acceptable range.
5373
5374         * config/v850/v850.md (casesi): Disable the generation of the
5375         switch pattern as it is not being handled properly at the moment.
5376
5377         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5378         for when the high words are identical.
5379
5380 2005-09-27  Richard Henderson  <rth@redhat.com>
5381
5382         * pretty-print.c (pp_base_format): Fix typo for %>.
5383
5384 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5385             Devang Patel  <dpatel@apple.com>
5386
5387         PR tree-optimization/23625
5388         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5389         LABEL_EXPR, assertion check.
5390
5391 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5392
5393         * optabs.c (no_conflict_move_test): Check if a result of a
5394         to-be-moved insn would be clobbered by an originally
5395         preceding insn.
5396
5397 2005-09-27  Jeff Law  <law@redhat.com>
5398
5399         * passes.c (init_optimization_passes): Replace copy propagation
5400         passes immediately after DOM with phi-only copy propagation
5401         pases.  Add phi-only copy propagation pass after first DOM pass.
5402         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5403         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5404         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5405         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5406         to init_copy_prop.  Callers updated.
5407         (do_phi_only_copy_prop): New function.
5408         (pass_phi_only_copy_prop): New pass descriptor.
5409
5410 2005-09-27  Nick Clifton  <nickc@redhat.com>
5411
5412         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5413
5414 2005-09-26  Jason Merrill  <jason@redhat.com>
5415
5416         PR c++/13764
5417         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5418
5419         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5420
5421 2005-09-26  James E Wilson  <wilson@specifix.com>
5422
5423         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5424         copyright.  Add gcc copyright plus libgcc exception.
5425         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5426         copyright.
5427         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5428
5429 2005-09-26  Jeff Law  <law@redhat.com>
5430
5431         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5432         about when to iterate.
5433
5434 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5435
5436         PR target/23847
5437         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5438         for __complex__ double in -mcpu=G5 mode.
5439
5440 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5441
5442         PR tree-optimization/23942
5443         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5444         * tree-scalar-evolution.c: Include params.h.
5445         (t_bool): New enum.
5446         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5447         follow_ssa_edge_in_condition_phi_branch,
5448         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5449         Change return type to t_bool.  Use a parameter to limit the size of
5450         trees that are walked before stopping
5451         (analyze_evolution_in_loop): Initialize the limit to 0.
5452         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5453         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5454
5455 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5456
5457         PR middle-end/23831
5458         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5459         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5460
5461 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5462
5463         * combine.c (make_extraction): Check for valid use of subreg.
5464
5465 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5466
5467         PR target/24055
5468         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5469         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5470         ("fist<mode>2_with_temp"): Use only register operands.
5471
5472 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5473
5474         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5475         CALL_INSN_FUNCTION_USAGE.
5476
5477 2005-09-26  Richard Guenther  <rguenther@suse.de>
5478
5479         PR middle-end/15855
5480         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5481         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5482         (ldst_entry): Use the hashtable instead of list-walking.
5483         (find_rtx_in_ldst): Likewise.
5484         (free_ldst_entry): Free the hashtable.
5485         (compute_ld_motion_mems): Create the hashtable.
5486         (trim_ld_motion_mems): Remove entry from hashtable if
5487         removing it from list.
5488         (compute_store_table): Likewise^2.
5489         (store_motion): Free hashtable in case we did not see
5490         any stores.
5491
5492 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5493
5494         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5495         and arg1 if we are passing them to fold_build2.
5496
5497 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5498
5499         PR 23828
5500         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5501         a nested function.
5502
5503 2005-09-25  Richard Henderson  <rth@redhat.com>
5504
5505         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5506         SYMBOL_REF_TLS_MODEL to be correct.
5507
5508 2005-09-24  Richard Henderson  <rth@redhat.com>
5509
5510         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5511         end of function.  Reindent.
5512
5513 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5514
5515         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5516         NEGATE_EXPR/BIT_NOT_EXPR case.
5517
5518 2005-09-24  Richard Henderson  <rth@redhat.com>
5519
5520         * c-common.c (handle_mode_attribute): When not modifying in place,
5521         create subtypes for enumerations.
5522         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5523         * gimplify.c (create_tmp_from_val): Likewise.
5524
5525 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5526
5527         * config/i386/i386.md (*tls_global_dynamic_64,
5528         *tls_local_dynamic_base_64): Add missing mode to call.
5529         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5530
5531 2005-09-24  Jan Hubicka  <jh@suse.cz>
5532
5533         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5534         (cgraph_clone_node): Likewise.
5535         * cgraph.h (cgraph_clone_edge): Update prototype.
5536         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5537         duplicated prototypes; add updating argument.
5538         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5539         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5540         updating profile.
5541         (cgraph_mark_inline_edge): Likewise.
5542         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5543         (cgraph_flatten_node): Likewise.
5544         (cgraph_decide_recursive_inlining): Likewise.
5545         (cgraph_decide_inlining_of_small_function): Likewise.
5546         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5547
5548 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5549             Pete Steinmetz <steinmtz@us.ibm.com>
5550
5551         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5552         (rldic.): Set type to "compare".
5553         (rldicr.): Same.
5554         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5555         mfjmpr for MFCTR/MFLR.
5556         (movdf_hardfloat64): Same.
5557         (movdf_softfloat64): Same.  Correct order of store and move types.
5558         (movti_string): Set type to store_ux/load_ux.
5559         (load_multiple): Set type to load_ux.
5560         (store_multiple): Set type to store_ux.
5561         (movmemsi): Set type to store_ux.
5562         (output_cbranch direct_return): Set type to jmpreg.
5563         (stmw): Set type to store_ux.
5564         (lmw): Set type to load_ux.
5565         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5566         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5567         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5568         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5569         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5570         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5571         (rios1-fpstore): Increase latency to 3.
5572         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5573         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5574
5575 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5576             Andrew Pinski  <pinskia@physics.uc.edu>
5577
5578         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5579         operand2 constraint to "b".
5580         (sync_<fetchop_name>di_internal): Same.
5581         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5582         to "b".
5583         (sync_old_<fetchop_name>di_internal): Same.
5584         (sync_new_<fetchop_name>si_internal): Same.
5585         (sync_new_<fetchop_name>di_internal): Same.
5586
5587 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5588
5589         PR middle-end/23991
5590         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5591         case, define as macros.
5592
5593         PR rtl-optimization/23837
5594         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5595         clobber / clobber match between dest and p->first.
5596
5597         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5598         (no_conflict_move_test): Update comments.
5599
5600 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5601
5602         * doc/install.texi: Update URL for Jacks.
5603         * doc/sourcebuild.texi: Likewise.
5604
5605 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5606
5607         PR target/24007
5608         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5609         registers when choosing register preferences.
5610         (movdf_hardfloat64): Same.
5611
5612 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5613
5614         * expmed.c (expand_shift): Don't use the target of the rotate as
5615         target for the first expanded shift insn.
5616         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5617
5618 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5619
5620         PR tree-optimization/22438
5621         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5622         preserved iv rhs rewriting specially.
5623
5624 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5625
5626         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5627         estimate_only  is true.
5628         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5629         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5630         tree-ssa-structalias.c
5631         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5632         ref_contains_indirect_ref.
5633         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5634
5635 2005-09-21  DJ Delorie  <dj@redhat.com>
5636
5637         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5638         MASK_PTR_A0D0.
5639         (mn10300_return_in_memory): Support variable size types also.
5640         (mn10300_pass_by_reference): Likewise.
5641         (mn10300_function_value): New.
5642         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5643         (FUNCTION_OUTGOING_VALUE): Likewise.
5644         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5645         * doc/invoke.texi: Document it.
5646
5647 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5648
5649         PR target/22585
5650         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5651         force integer op1 into register for XFmode compares.
5652
5653 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5654
5655         PR middle-end/23971
5656         * expmed.c (alg_code): Add alg_impossible.
5657         (alg_hash_entry): Add cost.
5658         (synth_mult): Record alg_impossible in the hash table if
5659         multiplication by a given integer is impossble within the
5660         limit.  Speed up using alg_impossible.
5661
5662 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5663
5664         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5665         argument.  Allow and set any offset if needs_anyoffset is passed
5666         in.
5667         (get_constraint_for): Add argument here too.
5668         Pass it down.
5669         (do_structure_copy): Pass NULL to get_constraint_for.
5670         (handle_ptr_arith): Ditto.
5671         (find_func_aliases): Ditto.
5672
5673 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5674
5675         PR rtl-optimization/23898
5676         * output.h (get_attr_min_length): Declare.
5677         * final.c (get_attr_length_1): New function, broken out of:
5678         (get_attr_length).
5679         (get_attr_min_length): New function.
5680         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5681         (duplicate_computed_gotos): Likewise.
5682         * genattr.c (insn_min_length): Generate declaration.
5683         * genattrtab.c (min_fn, min_attr_value): New functions.
5684         (make_length_attrs): Generate insn_min_length.
5685
5686 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5687
5688         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5689
5690 2005-09-20  Richard Henderson  <rth@redhat.com>
5691
5692         PR tree-optimization/24059
5693         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5694         EXPAND_STACK_PARM.
5695
5696 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5697
5698         * c.opt (fextended-identifiers): New.
5699         * c-opts.c (c_common_handle_option): Handle
5700         -fextended-identifiers.
5701         * doc/cpp.texi: Update documentation of extended identifiers.
5702         * doc/cppopts.texi (-fextended-identifiers): Document.
5703
5704 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5705
5706         PR tree-optimization/23929
5707         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5708         if expr is NULL.
5709
5710         PR tree-optimization/23818
5711         * tree-stdarg.c (execute_optimize_stdarg): Call
5712         calculate_dominance_info.
5713
5714 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5715
5716         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5717         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5718         (compute_overlap_steps_for_affine_1_2): Use
5719         get_number_of_iters_for_loop.
5720         (analyze_subscript_affine_affine): Check whether difference is
5721         zero first.
5722         Use get_number_of_iters_for_loop.
5723         Check whether overlap occurs outside of bounds.
5724         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5725
5726 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5727
5728         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5729         base register if possible.
5730
5731 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5732
5733         PR tree-optimization/18463
5734         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5735         converting it directly is not possible.
5736         (chrec_convert_aggressive): New function.
5737         * tree-chrec.h (chrec_convert_aggressive): Declare.
5738         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5739         Fold chrec conversions aggressively if asked to.
5740         (instantiate_parameters): Modified because of changes in
5741         instantiate_parameters_1.
5742
5743 2005-09-19  Richard Henderson  <rth@redhat.com>
5744
5745         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5746         (reduc_splus_v2df): New.
5747
5748 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5749
5750         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5751         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5752
5753 2005-09-19  Richard Henderson  <rth@redhat.com>
5754
5755         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5756         vcondu<SSEMODE12>.
5757
5758 2005-09-19  Richard Henderson  <rth@redhat.com>
5759
5760         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5761         (ia64_expand_dot_prod_v8qi): New.
5762         * config/ia64/ia64-protos.h: Update.
5763         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5764         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5765         sdot_prodv8qi, sdot_prodv4hi): New.
5766         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5767
5768 2005-09-19  Richard Henderson  <rth@redhat.com>
5769
5770         PR 23941
5771         * real.c (exact_real_truncate): Return false if the format cannot
5772         represent the number as a normal.
5773
5774         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5775         for a memory source.
5776
5777 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5778
5779         * tree-ssa-operands.c (swap_tree_operands): Export.
5780         * tree.h (swap_tree_operands): Declare.
5781         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5782         Call swap_tree_operands.
5783
5784 2005-09-19  Richard Henderson  <rth@redhat.com>
5785
5786         * tree-flow.h (merge_alias_info): Declare.
5787         * tree-ssa-copy.c (merge_alias_info): Export.
5788         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5789         (vect_create_data_ref_ptr): Use create_iv directly.
5790         (vectorizable_load): Use correct types for integer constants.
5791         (vect_generate_tmps_on_preheader): Likewise.
5792         (vect_gen_niters_for_prolog_loop): Likewise.
5793
5794 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5795
5796         PR rtl-optimization/23943
5797         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5798
5799 2005-09-18  Jan Hubicka  <jh@suse.cz>
5800
5801         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5802
5803 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5804
5805         * varasm.c (output_constant): Do not abort on conversions to union
5806         types between different sizes.
5807
5808 2005-09-18  Richard Guenther  <rguenther@suse.de>
5809
5810         PR middle-end/23944
5811         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5812         fallback.
5813
5814 2005-09-18  Paul Brook  <paul@codesourcery.com>
5815
5816         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5817
5818 2005-09-17  Richard Henderson  <rth@redhat.com>
5819
5820         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5821         * tree-ssa-loop.c (pass_vect_dce): Remove.
5822         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5823         of pass_vectorize.
5824
5825 2005-09-17  Richard Henderson  <rth@redhat.com>
5826
5827         * tree-pass.h (pass_vect_dce): Declare.
5828         * passes.c (init_optimization_passes): Add it.
5829         * tree-flow.h (tree_ssa_dce): Declare.
5830         * tree-ssa-dce.c (tree_ssa_dce): Export.
5831         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5832         (gate_tree_vectorize): ... here.
5833         (pass_vect_dce): New.
5834
5835 2005-09-17  Jan Hubicka  <jh@suse.cz>
5836
5837         * except.c (struct eh_status): Turn region_array into vec.
5838         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5839         convert_from_eh_region_ranges, find_exception_handler_labels,
5840         current_function_has_exception_handlers, assign_filter_values,
5841         build_post_landing_pads, dw2_build_landing_pads,
5842         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5843         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5844         foreach_reachable_handler, can_throw_internal_1,
5845         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5846         region_array.
5847         (duplicate_eh_region_1): Update region_array.
5848         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5849
5850 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5851
5852         PR middle-end/22067
5853         * expmed.c (expand_mult): Substitute simple register for op0 when
5854         computing max_cost.
5855
5856 2005-09-17  Richard Henderson  <rth@redhat.com>
5857
5858         * expr.c (emit_move_via_integer): Add force argument, pass it on
5859         to emit_move_change_mode.  Update callers.
5860         (emit_move_complex): Pass true to new force argument.
5861         * function.c (expand_function_end): Move expand_eh_return call
5862         earlier.  Merge sub-word complex values into a pseudo before
5863         copying to the return hard register.
5864
5865 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5866
5867         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5868         between different sizes.
5869
5870 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5871
5872         PR 23903
5873
5874         * passes.c (init_optimization_passes): Register dump files for
5875         IPA passes first.
5876
5877 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5878
5879         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5880         * config/s390/s390.c (s390_overlap_p): New function.
5881         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5882         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5883         condition.
5884
5885 2005-09-16  Richard Guenther  <rguenther@suse.de>
5886
5887         * ipa-pure-const.c (static_execute): Free auxiliar information.
5888         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5889         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5890
5891 2005-09-15  DJ Delorie  <dj@redhat.com>
5892
5893         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5894
5895 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5896
5897         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5898         to order operands.
5899         (swap_commutative_operands_with_target): New.
5900
5901 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5902
5903         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5904         parameter.
5905         Update callers.
5906         (estimate_iters_using_array): New function.
5907         * tree-data-ref.h (estimate_iters_using_array): Prototype
5908         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5909         Use estimate_iters_using_array instead of analyze_array.
5910
5911 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5912
5913         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5914         as addressable.
5915
5916 2005-09-15  Michael Matz  <matz@suse.de>
5917
5918         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5919
5920 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5921
5922         PR tree-optimization/23835
5923         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5924         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5925
5926 2005-09-14  Richard Henderson  <rth@redhat.com>
5927
5928         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5929         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5930
5931 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5932
5933         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5934         in the ARRAY_TYPE case.
5935
5936 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5937
5938         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5939
5940 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5941
5942         PR middle-end/22480
5943         * tree-vect-transform.c (vectorizable_operation): Return false for
5944         scalar shift operations and for vector shift operations with
5945         non-invariant shift arguments.  Use scalar tree operand op1 as
5946         a shift operand when vector shift insn pattern uses scalar shift
5947         operand.
5948         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5949
5950 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5951
5952         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5953         value if it has side-effects.
5954
5955 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5956
5957         PR target/22068
5958         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5959
5960 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5961
5962         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5963         passed as NAME as if it were label at start of function code.
5964
5965 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5966
5967         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5968         the constraints.
5969
5970 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5971
5972         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5973         as early clobber.  Rewrite so the PIC register is not implicitly used.
5974
5975 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5976
5977         * tree.c (annotate_with_file_line): Compare line numbers before
5978         file names.
5979
5980 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5981
5982         PR target/23816
5983         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5984         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5985
5986 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5987
5988         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5989         than a HOST_WIDEST_INT to gen_doloop_begin.
5990
5991 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5992
5993         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5994
5995 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5996
5997         PR tree-optimize/23817
5998         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5999
6000 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6001
6002         PR target/23774
6003         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6004         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6005         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6006         (restore_stack_nonlocal): Likewise.
6007         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6008
6009 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6010
6011         PR g++/7874
6012         * c.opt (ffriend-injection): New C++ option.
6013         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6014         (C++ Dialect Options): Document -ffriend-injection.
6015
6016 2005-09-12  Josh Conner  <jconner@apple.com>
6017
6018         PR middle-end/23237
6019         * ipa-reference.c (static_execute): Don't mark variables in
6020         named sections TREE_READONLY.
6021
6022 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6023
6024         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6025         stack_tie.
6026
6027 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6028
6029         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6030         V_MUST_DEF instead of just the first_use_p.
6031         Don't mark the virtual variables for renaming on the statement which
6032         is being removed.
6033         (pass_dse): Remove TODO_update_ssa.
6034
6035 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6036
6037         PR middle-end/23290
6038         * stor-layout.c (compute_record_mode): For records with a single
6039         field, actually check the field's mode size against the type size.
6040
6041         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6042         registers for TARGET_SHMEDIA.
6043         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6044         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6045         of GENERAL_REGS and FP_REGS.
6046
6047 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6048
6049         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6050
6051 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6052
6053         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6054         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6055         are omitted.  Exclude stack_tie insn too.
6056
6057 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6058
6059         PR rtl-optimization/23098
6060         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6061         0.0f is easy.
6062         * config/rs6000/rs6000.md (movdf splitter): Use
6063         const_double_operand predicate for TARGET_POWERPC64.
6064         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6065         SYMBOL_REF method to ABI_V4.
6066
6067         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6068         replace_equiv_address.
6069         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6070         rs6000_sr_alias_set and MEM_NOTRAP.
6071         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6072
6073 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6074
6075         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6076         handle CALL_EXPR again.
6077
6078 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6079
6080         * arm/predicates.md (alignable_memory_operand): Delete.
6081
6082 2005-09-10  Richard Henderson  <rth@redhat.com>
6083
6084         PR debug/23806
6085         * dbxout.c (dbxout_expand_expr): New.
6086         (dbxout_symbol): Use it.
6087
6088 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6089
6090         * arm.c (arm_gen_rotated_half_load): Delete.
6091         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6092         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6093         (thumb_set_return_address): Likewise.
6094         (thumb_load_double_from_address): Use adjust_address.
6095         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6096         (extendhsisi2_mem, movhi_bytes): Use change_address.
6097         (movhi): Use widen_memory_access.
6098         (reload_out_df): Use replace_equiv_address.
6099         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6100
6101 2005-09-09  Richard Henderson  <rth@redhat.com>
6102
6103         PR debug/20998
6104         * dbxout.c: Include expr.h.
6105         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6106         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6107         * Makefile.in (dbxout.o): Add EXPR_H.
6108
6109 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6110
6111         PR tree-optimization/23509
6112         * tree-cfg.c (replace_uses_by): Use replace_exp.
6113         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6114         pointers have name_mem_tag or type_mem_tag set.
6115
6116 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6117
6118         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6119         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6120         of wrongly accessing operands.
6121
6122 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6123
6124         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6125         * tree-chrec.c: Include tree-scalar-evolution.h.
6126         (chrec_convert): Instantiate the base and step before calling
6127         scev_probably_wraps_p that would fail on parametric evolutions.
6128         Collect all the fails into a single section failed_to_convert,
6129         print a diagnostic, and return chrec_dont_know instead of calling
6130         fold_convert.
6131         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6132         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6133         phi nodes.
6134         (scev_const_prop): Don't replace the definition of a loop closed ssa
6135         phi node by itself, or by another loop closed ssa phi node.
6136         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6137         that base and step are defined.
6138
6139 2005-09-09  Richard Guenther  <rguenther@suse.de>
6140
6141         PR c++/23624
6142         * fold-const.c (fold_ternary): Check truth_value_p before
6143         calling invert_truthvalue.
6144
6145 2005-09-09  Nick Clifton  <nickc@redhat.com>
6146
6147         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6148         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6149         dimension of these arrays.
6150         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6151         these arrays.
6152         * longlong.h: Only provide a prototype for the __clz_tab[] array
6153         if this header has not been included from libgcc2.h.
6154         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6155         defining own types.
6156         Provide prototypes for exported functions.
6157         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6158         libgcc2.c.
6159
6160 2005-09-08  Josh Conner  <jconner@apple.com>
6161
6162         PR c++/21135
6163         PR c++/23180
6164         * expr.c (expand_expr_addr_expr_1): Don't invoke
6165         expand_simple_binop for EXPAND_INITIALIZER.
6166
6167 2005-09-08  Richard Henderson  <rth@redhat.com>
6168
6169         PR debug/23190
6170         * toplev.c (wrapup_global_declaration_1): Split out ...
6171         (wrapup_global_declaration_2): ... from ...
6172         (wrapup_global_declarations): ... here.  Return bool.
6173         (check_global_declaration_1): Split out ...
6174         (check_global_declarations): from here.
6175         (emit_debug_global_declarations): New.
6176         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6177         check_global_declaration_1, emit_debug_global_declarations): Declare.
6178         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6179         of decls.  Call wrapup_global_declaration_1,
6180         wrapup_global_declaration_2, check_global_declaration_1 directly.
6181         (c_write_global_declarations_2): New.
6182         (ext_block): New.
6183         (c_write_global_declarations): Call c_write_global_declarations_2.
6184         * langhooks.c (write_global_declarations): Call
6185         emit_debug_global_declarations.
6186
6187         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6188         remove decls that have DECL_RTL_SET_P.
6189         * passes.c (rest_of_decl_compilation): Invoke
6190         cgraph_varpool_finalize_decl for all but functions.
6191
6192 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6193
6194         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6195         the result of a conversion if the new min and max cannot be compared.
6196
6197 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6198
6199         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6200         (override_options): Setting s390_sr_alias_set removed.
6201         (save_fpr, save_gprs): Set alias set to vararg or frame.
6202         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6203         s390_sr_alias_set with get_frame_alias_set ().
6204         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6205         get_varargs_alias_set ().
6206
6207 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6208
6209         PR objc/20574
6210         PR objc/19324
6211         * c-parser.c (c_parser_objc_method_definition): If the next
6212         token is not "{", error out and don't start the function.
6213
6214 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6215
6216         * tree-vrp.c (extract_range_from_expr): Move the check for non
6217         nullness after the check for gimple invariant.
6218
6219 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6220
6221         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6222
6223 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6224
6225         PR target/23747
6226         * config/m32r.md (movmemsi_internal): Canonicalize order of
6227         operands in PLUS component of template.
6228
6229 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6230
6231         * reload1.c (fixup_eh_region_note): Remove assertion.
6232         (fixup_abnormal_edges): Reverted removal of call to
6233         find_many_sub_basic_blocks made on 2005-08-31.
6234
6235 2005-09-07  Richard Henderson  <rth@redhat.com>
6236
6237         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6238         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6239         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6240         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6241         rearrange for better packing.
6242         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6243         (lookup_cfa_1): Remove inline marker.
6244         (cfa_equal_p): Split out of ...
6245         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6246         (build_cfa_loc): Handle !cfa->indirect.
6247         (frame_pointer_cfa_offset): New.
6248         (dbx_reg_number): Assert register elimination performed; do
6249         leaf register remapping.
6250         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6251         (eliminate_reg_to_offset): New.
6252         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6253         for verifiably local stack frame addresses; re-base to CFA.
6254         (mem_loc_descriptor): Remove can_use_fbreg argument.
6255         (concat_loc_descriptor, loc_descriptor): Likewise.
6256         (containing_function_has_frame_base): Remove.
6257         (rtl_for_decl_location): Don't do register elimination or
6258         leaf register remapping here.
6259         (secname_for_decl): Split out from ..
6260         (add_location_or_const_value_attribute): ... here.
6261         (convert_cfa_to_loc_list): New.
6262         (compute_frame_pointer_to_cfa_displacement): New.
6263         (gen_subprogram_die): Use them.
6264         * tree.h (frame_base_decl): Remove.
6265         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6266         (prologue_stack_adjust): Remove.
6267         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6268         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6269         (set_frame_base_location): Remove.
6270         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6271         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6272         (vt_add_function_parameters): Don't eliminate_regs.
6273         (vt_initialize): Don't create frame_base_decl.
6274
6275 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6276
6277         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6278         version of GNU binutils for 4.x and later.
6279
6280 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6281
6282         * ggc-page.c (ggc_push_context): Remove.
6283         (ggc_pop_context): Likewise.
6284         * ggc.h (ggc_push_context): Remove.
6285         (ggc_pop_context): Likewise.
6286
6287 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6288
6289         PR target/8973
6290         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6291         returning from an interrupt handler.
6292
6293 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6294
6295         PR target/8972
6296         * config/arc/arc.c (output_shift): Add check for loop count when
6297         optimizing.
6298
6299 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6300
6301         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6302         form manually.
6303         (abs_replacement): Likewise.
6304         (pass_phiopt): Remove TODO_update_ssa.
6305
6306 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6307
6308         PR c/23075
6309         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6310         if "return with no value, in function returning non-void" warning
6311         has been issued.
6312         * tree-cfg.c (execute_warn_function_return): Don't look at
6313         RETURN_EXPRs with TREE_NO_WARNING set.
6314
6315         PR target/22362
6316         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6317         for internal functions doesn't use registers used by global registers
6318         variables.  Use fewer register parameters if there are global register
6319         variables.
6320
6321 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6322             Eric Botcazou  <ebotcazou@adacore.com>
6323
6324         PR middle-end/14997
6325         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6326         when we would be extracting outside its bit span (bitpos+bitsize
6327         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6328         Ada unchecked conversions.
6329
6330 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6331
6332         * tree-ssa-pre.c (try_look_through_load): New function.
6333         (compute_avail): Use it to try to look through loads for some
6334         more useful expressions.
6335
6336 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6337
6338         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6339         condition for detecting cases like (a&a) and (a^a).
6340
6341 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6342
6343         * common.opt: Add option ftree-vect-loop-version.
6344         * params.def: Add --param vect-max-version-checks.
6345         * doc/invoke.texi: Document ftree-vect-loop-version and
6346         --param vect-max-version-checks.
6347         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6348         may_misalign_stmts and defines for accessors.
6349         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6350         LOOP_VINFO_MAY_MISALIGN_STMTS.
6351         (destroy_loop_vec_info): VEC_free for
6352         LOOP_VINFO_MAY_MISALIGN_STMTS.
6353         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6354         Update documentation.
6355         (vect_update_misalignment_for_peel): New.
6356         (vect_enhance_data_refs_alignment): Update to choose loop
6357         peeling or loop versioning if appropriate for the (potentially)
6358         unaligned data references in the loop.
6359         (vect_analyze_data_refs_alignment): Remove call to
6360         vect_enhance_data_refs_alignment so the checks can be done
6361         earlier.
6362         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6363         and move up call to vect_analyze_data_refs_alignment.
6364         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6365         (vect_transform_loop): Add call to loop_version.
6366
6367 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6368
6369         PR rtl-optimization/23098
6370         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6371         * simplify-rtx.c (constant_pool_reference_p): New function.
6372         * rtl.h (constant_pool_reference_p): New prototype.
6373         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6374         constant_pool_reference_p in condition and
6375         avoid_constant_pool_reference in preparation statements.
6376
6377 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6378
6379         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6380         STRICT_LOW_PART SETs.
6381
6382 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6383
6384         PR middle-end/21460
6385         * except.c (sjlj_emit_function_enter): Find the function begin
6386         note even when it's not in first basic block.
6387
6388 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6389
6390         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6391         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6392         * aclocal.m4: Regenerate.
6393
6394 2005-09-05  DJ Delorie  <dj@redhat.com>
6395
6396         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6397         of macro.
6398
6399 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6400
6401         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6402         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6403         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6404         Follow spelling conventions.
6405         * doc/invoke.texi: Follow spelling conventions.
6406
6407 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6408
6409         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6410         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6411         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6412
6413 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6414
6415         PR target/23683
6416         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6417         (output_stack_adjust): Use gen_tmp_stack_mem.
6418         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6419         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6420         (sh_get_pr_initial_val): Likewise.
6421         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6422         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6423         * sh.md (divsi_inv_m0): Use gen_const_mem.
6424         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6425         (movdf_i4+1): Use gen_tmp_stack_mem.
6426         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6427         (fpu_switch+2): Likewise.
6428         (movv4sf_i, movv16sf_i): Use adjust_address.
6429         (symGOT_load): Set MEM_NOTRAP_P bit.
6430
6431 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6432
6433         PR target/23721
6434         * pa.c (emit_move_sequence): Fix typo in last change.
6435
6436 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6437
6438         PR rtl-optimization/23454
6439         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6440         is true.
6441
6442 2005-09-03  Richard Henderson  <rth@redhat.com>
6443             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6444
6445         PR middle-end/23671
6446         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6447         gen_rtx_MEM.
6448
6449 2005-09-02  Nicolas Pitre <nico@cam.org>
6450
6451         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6452         to bit_count to 32 bits.
6453
6454 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6455
6456         PR c++/23167
6457         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6458         generating synthetic loads from volatile lvalues.
6459
6460 005-09-02  Nick Clifton  <nickc@redhat.com>
6461
6462         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6463         __ctzhi2, __clzhi2): New functions.
6464
6465 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6466
6467         PR middle-end/23547
6468         * tree-nested.c (struct var_map_elt): Mark with GTY.
6469         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6470         var_map_elt.
6471         (lookup_field_for_decl): Allocate new element in GC memory.
6472         (lookup_tramp_for_decl): Likewise.
6473         (convert_nl_goto_reference): Likewise
6474         (create_nesting_tree): Allocate info in GC memory. Likewise for
6475         info->var_map.
6476         (free_nesting_tree): Free with ggc_free instead of free.
6477         (root): New static variable.
6478         (lower_nested_functions): Remove root as local variable.  And zero out
6479         root at the end of the function.
6480
6481 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6482
6483         PR rtl-optimization/20365
6484         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6485         to short.  New member ix.
6486         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6487         (simplify_plus_minus): Initialize ix members before calling qsort.
6488
6489 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6490
6491         PR tree-optimization/23626
6492         * tree-cfg.c (replace_uses_by): Clean up eh info.
6493
6494 2005-09-01  DJ Delorie  <dj@redhat.com>
6495
6496         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6497         fprintf.
6498
6499 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6500
6501         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6502         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6503         gen_rtx_MEM.
6504
6505 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6506
6507         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6508         do not issue warning for a variable definition following
6509         a declaration.
6510
6511 2005-09-01  Richard Henderson  <rth@redhat.com>
6512
6513         PR 23668
6514         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6515         conversion to CONST_VECTOR.
6516
6517 2005-09-01  Richard Henderson  <rth@redhat.com>
6518
6519         PR 23676
6520         * reload1.c (reload_as_needed): Check !CALL_P before calling
6521         fixup_eh_region_note.
6522         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6523
6524 2005-09-01  DJ Delorie  <dj@redhat.com>
6525
6526         * varasm.c (output_constant): Let the target resolve
6527         conversions of addresses to non-default pointer sizes.
6528
6529 2005-09-01  Nicolas Pitre <nico@cam.org>
6530
6531         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6532         to alow matching ARM pre-indexed addressing mode.
6533         (arm_override_options): Remove now irrelevant comment.
6534
6535 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6536
6537         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6538         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6539         * config/i386/vxworks.h:  Likewise.
6540         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6541         * config/i386/vxworksae.h:  Likewise.
6542
6543 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6544
6545         PR tree-optimization/23410
6546         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6547         sequence is not wrapping during the first step.
6548
6549 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6550
6551         PR debug/7241
6552         * dwarf2out.c (base_type_die): Compare char_type_node with
6553         TYPE_MAIN_VARIANT (type), not type.
6554
6555 2005-09-01  Richard Guenther  <rguenther@suse.de>
6556
6557         PR tree-optimization/15366
6558         * common.opt: Add -finline-functions-called-once.
6559         Put -fearly-inlining in alphabetically ordered place.
6560         * doc/invoke.texi: Document new option.
6561         * ipa-inline.c (cgraph_decide_inlining): Honour
6562         flag_inline_functions_called_once.
6563
6564 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6565
6566         PR rtl-optimization/23478
6567         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6568         (alloc_qty): Initialize it.
6569         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6570         (combine_regs): Combine also n_throwing_calls_crossed fields.
6571         (find_free_reg): Don't attempt to caller-save pseudos crossing
6572         calls that might throw.
6573         * global.c (struct allocno): Add throwing_calls_crossed field.
6574         (global_alloc): Revert 2005-08-22 change.  Initialize
6575         throwing_calls_crossed.
6576         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6577         might throw.
6578
6579 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6580
6581         PR target/23649
6582         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6583         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6584         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6585         (and64_2_operand): Tweak to use predicate.
6586         (and_operand): Adjust for mask_operand changes.
6587         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6588         (print_operand): Likewise.
6589         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6590         (mask64_1or2_operand): Delete.
6591         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6592         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6593         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6594         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6595         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6596         (rotldi3_internal4): Likewise.
6597         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6598         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6599         (ashldi3_internal7): Likewise.
6600         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6601         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6602         (anddi3 split): Don't match mask64_operand.
6603         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6604         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6605         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6606         't' splitter predicate.
6607         (movdi_internal64 + 2): Revert 2005-06-11 change.
6608
6609 2005-08-31  DJ Delorie  <dj@redhat.com>
6610
6611         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6612         (m32c_asm_integer): Add support for 32 bit pointers.
6613
6614 2005-08-31  Richard Henderson  <rth@redhat.com>
6615
6616         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6617         component-like references for setting MEM_NOTRAP_P.
6618
6619         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6620         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6621
6622 2005-08-31  Richard Henderson  <rth@redhat.com>
6623
6624         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6625         into a pseudo before applying gen_lowpart.
6626
6627 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6628
6629         * doc/install.texi (Specific): Update cctools version required
6630         for full functionality.
6631         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6632         linkers as -macosx_version_min.
6633
6634 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6635
6636         PR target/21255
6637         * sh.c (print_operand, %R and %S): Add handling of floating point
6638         registers, memory, constants and invalid operands.
6639
6640 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6641
6642         * ipa-pure-const.c: Change dump name.
6643
6644 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6645
6646         PR target/23570
6647         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6648         to "reg_or_0_operand".
6649         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6650
6651 2005-08-31  Dale Johannesen  <dalej@apple.com>
6652
6653         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6654         loops that count down.
6655
6656 2005-08-31  Richard Henderson  <rth@redhat.com>
6657
6658         PR rtl-opt/23601
6659         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6660         (fixup_eh_region_note): New.
6661         (reload_as_needed): Call it.
6662         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6663         don't call find_many_sub_basic_blocks; call verify_flow_info.
6664         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6665         (keep_stack_depressed): Likewise.
6666         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6667
6668 2005-08-31  Richard Henderson  <rth@redhat.com>
6669
6670         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6671         fp return matching.
6672
6673 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6674
6675         * expr.c (expand_expr_real_1): Compare size of address
6676         mode to target's address mode size in deciding expansion of
6677         the constant address.
6678
6679 2005-08-31  Richard Guenther  <rguenther@suse.de>
6680
6681         PR middle-end/23477
6682         * expr.c (all_zeros_p): New function.
6683         (expand_expr_real_1): Handle the case of an all-zero
6684         non-addressable constructor separately.
6685
6686 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6687
6688         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6689         arguments, adjust all callers.
6690         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6691
6692 2005-08-30  Richard Henderson  <rth@redhat.com>
6693
6694         PR target/23630
6695         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6696         whenever the mode sizes match.
6697
6698 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6699
6700         * calls.c (load_register_parameters): Fix comment typo.
6701         * expr.c (emit_push_insn): Comment formatting.
6702
6703 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6704
6705         * config/i386/x-cygwin (host-cygwin): Change dependency from
6706         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6707
6708 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6709
6710         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6711         parts of 'vals'.
6712
6713 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6714
6715         PR middle-end/23408
6716         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6717         call to ggc_collect.
6718
6719 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6720
6721         PR bootstrap/21268
6722         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6723         beginning.  Remove $(INCLUDES) from all the rules, if following
6724         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6725
6726 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6727
6728         PR middle-end/23484
6729         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6730         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6731         not constant, but maxlen is, don't set len to maxlen, rather
6732         set maxlen to len if len is a constant.
6733
6734 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6735
6736         PR tree-optimization/23475
6737         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6738         and counts.
6739
6740 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6741
6742         Fix PR middle-end/22455
6743
6744         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6745         Checksum only the parts of the tree that exist for the tree code.
6746
6747 2005-08-28  Dale Johannesen  <dalej@apple.com>
6748
6749         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6750
6751 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6752
6753         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6754
6755 2005-08-28  Richard Henderson  <rth@redhat.com>
6756
6757         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6758         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6759         of char_type_node.
6760
6761 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6762
6763         PR ada/23593
6764         * builtins.c (get_memory_rtx): Don't strip nops
6765         in between COMPONENT_REFs.
6766
6767 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6768
6769         PR middle-end/23463
6770         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6771         types.
6772         (gimplify_modify_expr): Check for zero sized types and gimplify the
6773         rhs and lhs as statements.
6774
6775 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6776
6777         PR libgcj/23508
6778         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6779         state for return address column of signal frames.
6780
6781 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6782
6783         PR target/23539
6784         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6785         bytes >= 2 not bytes == 2.
6786         (expand_block_move): Same.
6787
6788 2005-08-27  Richard Guenther  <rguenther@suse.de>
6789
6790         PR target/23575
6791         * config/i386/sse.md (sse2_movsd): Add missing closing
6792         braces.
6793
6794 2005-08-27  Paul Brook  <paul@codesourcery.com>
6795
6796         * genrecog.c (enum decision_type): Add DT_num_insns.
6797         (struct decision_test): Add u.num_insns.
6798         (add_to_sequence): Add DT_num_insns test.
6799         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6800         (write_cond, debug_decision_2): Ditto.
6801         (change_state): Assume peep2_next_insn never fails.
6802         Remove "afterward" argument.
6803         (write afterward, write_tree): Update to match.
6804         * recog.c (peep2_current_count): New variable.
6805         (peep2_next_insn): Check it.
6806         (peephole2_optimize): Set peep2_current_count.
6807         * recog.h (peep2_current_count): Declare.
6808
6809 2005-08-26  Josh Conner  <jconner@apple.com>
6810
6811         PR middle-end/23584
6812         * ipa-pure-const.c (check_tree): Check for volatile-ness
6813         when considering a dereference.
6814
6815 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6816
6817         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6818
6819 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6820
6821         PR rtl-optimization/23561
6822         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6823         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6824         at most LEN bytes long memory fits into the field.
6825         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6826         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6827         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6828
6829 2005-08-26  Richard Henderson  <rth@redhat.com>
6830
6831         PR rtl-opt/23560
6832         * loop.c (biased_biv_may_wrap_p): New.
6833         (maybe_eliminate_biv_1): Use it to suppress non-equality
6834         comparison transformations.  Delete disabled code.
6835
6836 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6837
6838         * combine.c (make_extraction): Avoid reference outside object.
6839
6840 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6841
6842         * stor-layout.c (finalize_type_size): Restore behaviour for
6843         non-aggregate types to the status quo ante of the patch for
6844         pr 23467.  Document why it matters.
6845
6846 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6847
6848         PR c/23506
6849         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6850         array by one element, initialize the BT_LAST element with NULL.
6851
6852 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6853
6854         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6855         optimizing for size.
6856         (plus_eqsi): Same.
6857         (compare_plus_eqsi): Same.
6858         (plus_eqsi_compare): Same.
6859         (neg_eq0<mode>): Same.
6860         (neg_eq<mode>): Same.
6861
6862         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6863         PROCESSOR_POWER4.
6864
6865 2005-08-26  Nick Clifton  <nickc@redhat.com>
6866
6867         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6868         TARGET_EP is not defined.
6869         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6870         TARGET_EP is enabled.
6871         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6872         * config/v850/v850.md (save_all_interrupt): Only use the EP
6873         register if TARGET_EP is defined.
6874         (restore_all_interrupt): Likewise.
6875         * config/v850/lib1funcs.asm: Update functions so that the EP
6876         register is only used if __EP__ is defined.
6877
6878 2005-08-26  David Ung  <davidu@mips.com>
6879
6880         * config/mips/mips.c (mips_expand_prologue): Handle case when
6881         generating for MIPS16 and the outgoing argument area is more than
6882         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6883         add instruction.
6884
6885 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6886
6887         * config/crx/crx.md: Make doloop_end pattern usage controllable
6888         via mloop-nesting=<max-nesting> command line switch. Make sure
6889         the combiner cannot use doloop_end_<mode> in an illegal way.
6890         * config/crx/crx.c: Use regs up to r6 for argument passing.
6891         Refine crx_address_cost (non cst4 displacements are expensive).
6892         * config/crx/crx.opt: Add switch for mloop-nesting=.
6893
6894 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6895
6896         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6897         (UNSPEC_MVST): New constant.
6898
6899 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6900
6901         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6902         Reject operands containing eliminable registers.
6903         * testsuite/gcc.dg/20050825-1.c: New testcase.
6904
6905 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6906             Jan Hubicka  <jh@suse.cz>
6907
6908         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6909
6910 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6911
6912         PR tree-optimization/23546
6913         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6914         and REAL_CST nodes.
6915
6916 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6917
6918         * params.def (PARAM_MIN_SPEC_PROB): New.
6919         * sched-rgn.c (MIN_PROBABILITY): Delete.
6920         (compute_trg_info): Convert to PARAM_VALUE.
6921         * doc/invoke.texi (param): Document min-spec-prob.
6922
6923 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6924
6925         * config/darwin.h: define __PIC__
6926         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6927         TARGET_OS_CPP_BUILTINS macro.
6928
6929 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6930
6931         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6932         yesterday.
6933
6934 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6935
6936         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6937         to duplicate_block.
6938         * cfghooks.c (duplicate_block): Added position where to place
6939         new block as argument.
6940         * cfghooks.h (duplicate_block): Declaration changed.
6941         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6942         duplicate_block.
6943         * cfglayout.h (copy_bbs): Declaration changed.
6944         * cfgloop.h (loop_version): Declaration changed.
6945         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6946         position to copy_bbs.
6947         (loop_version): Pass position to duplicate_loop_to_header_edge.
6948         Add place_after argument and position new blocks according to
6949         it.
6950         * modulo-sched.c (sms_schedule): Pass place_after argument
6951         to loop_version.
6952         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6953         * tree-cfg.c (split_edge_bb_loc): New function.
6954         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6955         to determine position of new blocks.
6956         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6957         to loop_version.
6958         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6959         argument to duplicate_block.
6960         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6961         Pass position to copy_bbs.
6962
6963 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6964
6965         * fold-const.c (ptr_difference_const): Use
6966         cst_and_fits_in_hwi instead of host_integerp.
6967
6968 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6969
6970         * config/darwin.c (gen_pic_offset): New.
6971         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6972         Use it.
6973
6974 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6975
6976         PR tree-optimization/23486
6977         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6978
6979 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6980
6981         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6982         remove use_collect2.
6983         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6984
6985         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6986         configuration files to override the default value.
6987
6988         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6989         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6990         * config/vx-common.h:  New file, split out from...
6991         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6992         * config/vxworksae.h:  New file, for VxWorks AE.
6993         * config/vxworks.opt:  New file.
6994         * config/vxlib.c:  Update for VxWorks 6.
6995
6996         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6997         other MULTILIB_* variables appropriately.
6998         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6999         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7000         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7001         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7002
7003 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7004
7005         PR target/20799
7006         * config/darwin.c (machopic_select_section): Remove the hack to
7007         mark "::operator new" and "::operator delete" for coalescing
7008         even though they are not weak.
7009
7010 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7011
7012         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7013         * configure: Regenerate.
7014
7015 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7016
7017         PR middle-end/23517
7018         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7019         between vectors.
7020         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7021         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7022         Likewise.
7023
7024 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7025
7026         * config/rs6000/predicates.md (equality_operator): New.
7027         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7028         comparison with a large constant.
7029
7030 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7031
7032         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7033
7034 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7035
7036         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7037         registers is even, and we have a hardware double precision fp,
7038         align the buffer.
7039         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7040         size of current argument when checking if argument was passed in
7041         registers.
7042
7043         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7044
7045         PR middle-end/23467
7046         * stor-layout.c (finalize_type_size): Dont override
7047         existing alignment with a smaller alignment from the mode.
7048
7049 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7050
7051         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7052         * lambda.h (lambda_vector_lexico_pos): ... here.
7053         * tree-data-ref.c (build_classic_dist_vector): Return false when
7054         the distance vector is lexicographically negative.
7055
7056 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7057
7058         PR tree-optimization/23511
7059         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7060         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7061
7062 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7063
7064         PR tree-optimization/22043
7065         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7066         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7067         If ALLOW_FLEXARR, handle types ending with flexible array member.
7068         Pass false as second argument to recursive count_type_elements calls.
7069         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7070         argument to count_type_elements call.
7071         * tree-sra.c (decide_block_copy): Likewise.
7072         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7073         for a constant-sized object, set cleared as well.  Pass true as
7074         second argument to count_type_elements call.
7075
7076 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7077
7078         PR target/21571
7079         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7080         from legitimate_small_data_p, and make global.  Update use.
7081         Remove forward declaration.
7082         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7083         Declare.
7084         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7085
7086 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7087
7088         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7089         of scratch intermediates.
7090         (eq<mode>_compare): Same.
7091         (neg_eq0<mode>): New.
7092         (neg_eq<mode>): Convert to define_insn_and_split.
7093
7094 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7095
7096         PR target/23070
7097         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7098         stdarg functions, set/clear the fp marker even when no variable
7099         args are passed.
7100         * config/rs6000/sysv4.opt (mprototype): Describe.
7101
7102 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7103
7104         PR rtl-optimization/23478
7105         * regs.h (reg_info): Add throw_calls_crossed.
7106         (REG_N_THROWING_CALLS_CROSSED): Define.
7107         * flow.c (allocate_reg_life_data): Initialize
7108         REG_N_THROWING_CALLS_CROSSED.
7109         (propagate_one_insn, attempt_auto_inc): Update
7110         REG_N_THROWING_CALLS_CROSSED.
7111         * global.c (global_alloc): Don't allocate pseudos across
7112         calls that may throw.
7113
7114 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7115
7116         PR c/18715
7117         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7118         value is inbetween the range if we did not find an exact match.
7119
7120 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7121
7122         * doc/invoke.texi (Option Summary): Add ms1 options.
7123         * doc/extend.texi: Document interrupt handler attribute for ms1.
7124         * doc/md.texi: Document ms1 constraints.
7125         * config.gcc: Add ms1-*-elf.
7126         * config/ms1/ms1.h: New.
7127         * config/ms1/ms1.c: New.
7128         * config/ms1/ms1.md: New.
7129         * config/ms1/ms1-protos.h: New.
7130         * config/ms1/ABI.txt: New.
7131         * config/ms1/crti.asm: New.
7132         * config/ms1/crtn.asm: New.
7133         * config/ms1/lib2extra-funcs.c: New.
7134         * config/ms1/t-ms1: New.
7135         * config/ms1/ms1.opt: New.
7136
7137 2005-08-22 Ira Rosen <irar@il.ibm.com>
7138
7139         * config/rs6000/altivec.md (xorv4sf3): New.
7140         (negv4sf2, neg<mode>2): Likewise.
7141
7142 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7143
7144         PR target/23485
7145         * config/ia64/ia64.md (divsi3): Check divide by zero.
7146         (udivsi3): Likewise.
7147         (divdi3): Likewise.
7148         (udivdi3): Likewise.
7149
7150 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7151
7152         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7153         up to elem_bitsize bits, not max_bitsize.
7154
7155 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7156
7157         PR tree-optimization/23433
7158         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7159         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7160
7161 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7162
7163         PR tree-optimization/23434
7164         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7165         the iteration bound is not an INTEGER_CST.
7166
7167 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7168
7169         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7170         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7171         NULL if need_epilog_adjust is false.
7172         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7173         Case 3 always peels first itration, not just for PLUS case, and no need
7174         to use scalar_initial_def here. Create an epilog adjustment only if
7175         scalar_initial_def is not NULL.
7176
7177         (vectorizable_reduction): Remove assert.
7178
7179 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7180
7181         PR target/23485
7182         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7183         (__moddi3): Likewise.
7184         (__udivdi3): Likewise.
7185         (__umoddi3): Likewise.
7186         (__divsi3): Likewise.
7187         (__modsi3): Likewise.
7188         (__udivsi3): Likewise.
7189         (__umodsi3): Likewise.
7190
7191 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7192
7193         * tree-pass.h (TDF_GRAPH): Define.
7194         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7195         * passes.c (finish_optimization_passes): Only call
7196         finish_graph_dump_file if TDF_GRAPH is set.
7197         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7198         NULL.  Set TDF_GRAPH bit.
7199         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7200
7201 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7202
7203         * arm.h (arm_stack_offsets): Add locals_base field.
7204         * arm.c (arm_get_frame_offsets): Compute it.
7205         (thumb_compute_initial_elimination offset): Make the Thumb frame
7206         pointer point to the base of the local variables.
7207         (thumb_expand_prologue): Update accordingly.
7208         (thumb_expand_epilogue): Likewise.
7209
7210         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7211         mode of clobbered scratch to DImode.  Handle a case that's known to
7212         need this.
7213
7214 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7215
7216         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7217         (gt0<mode>_compare): Delete.
7218         (neg_gt0<mode>): Delete.
7219
7220 2005-08-19  Eric Christopher  <echristo@apple.com>
7221
7222         * optabs.h: Change CTI_ to COI_.
7223         * optabs.c: Ditto.
7224
7225 2005-08-19  James E Wilson  <wilson@specifix.com>
7226
7227         * builtins.c (expand_builtin_return_addr): Set
7228         current_function_accesses_prior_frames when count != 0.  Use
7229         frame_pointer_rtx when count == 0.
7230         * function.h (struct function): Add accesses_prior_frames field.
7231         (current_function_accesses_prior_frames): Define.
7232         * reload1.c (init_elim_table): Check
7233         current_function_accesses_prior_frames.
7234         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7235
7236 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7237
7238         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7239         indicator.  Return true if the flowgraph changed during
7240         cleanup.
7241
7242 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7243
7244         PR 23476
7245         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7246         conditional expression before testing its value.
7247
7248 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7249
7250         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7251
7252 2005-08-19  Devang Patel  <dpatel@apple.com>
7253
7254         PR tree-optimization/23048
7255         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7256         third parameter. Check whether latch is dominated by exit
7257         block or not.
7258         (if_convertible_loop_p): Supply exit block itself to
7259         if_convertible_bb_p.
7260
7261 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7262
7263         PR target/23473
7264         * arm.md (arm_load_pic_register): Change argument to the mask of
7265         saved registers.  Call thumb_find_work_register if we need a
7266         scratch register on Thumb.
7267         (arm_expand_prologue): Pass empty register set to
7268         arm_load_pic_register.
7269         (thumb_expand_prologue): Pass live_regs_mask directly to
7270         arm_load_pic_register.
7271         * arm-protos.h (arm_load_pic_register): Update prototype.
7272
7273 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7274
7275         * sh.c (find_sole_member): New function.
7276         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7277         if the record's alignment is larger than the size of its only member.
7278
7279 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7280
7281         PR target/23436
7282         * arm.c (thumb_legitimize_reload_address): New function.
7283         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7284         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7285
7286 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7287
7288         * config/crx/crx.c: Implement crx_decompose_address. Reject
7289         symbolic displacements since CRX register relative adressing
7290         mode can't handle unsigned 32-bit values as displacements.
7291         * config/crx/crx.h: Simplify definitions, remove redundant
7292         parenthesis and obsolete macros.
7293         * config/crx/crx.opt: Add new switch for debugging addresses.
7294         * config/crx/crx-protos.h: Add new declarations for above.
7295
7296 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7297
7298         PR middle-end/20624
7299         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7300         looking past it.
7301
7302 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7303
7304         * collect2.c (dup2): Delete.
7305         * configure.ac: Don't check for dup2.
7306
7307         * config.in, configure: Regenerate.
7308
7309 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7310
7311         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7312         record with the type of its only member.
7313
7314 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7315
7316         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7317         define_insn_and_split.
7318         (plus_ltu<mode>_compare): Same.
7319         (gtu<mode>_compare): Same.
7320         (plus_gtu<mode>_compare): Same.
7321
7322 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7323
7324         PR tree-optimization/22228
7325         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7326         todo_flags_start.
7327         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7328         are recorded in vect_vnames_to_rename for renaming.
7329         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7330         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7331         in vect_vnames_to_rename.
7332         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7333         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7334
7335 2005-08-18  Jan Hubicka  <jh@suse.cz>
7336
7337         PR c++/22034
7338         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7339         info only for local statics, not for member variables.
7340
7341 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7342
7343         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7344
7345 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7346
7347         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7348
7349 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7350
7351         PR middle-end/16045
7352         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7353
7354 2005-08-17  James E Wilson  <wilson@specifix.com>
7355
7356         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7357         array size check.
7358
7359 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7360
7361         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7362         (leu<mode>_compare): Same.
7363         (plus_leu<mode>): Same.
7364         (neg_leu<mode>): Same.
7365         (and_neg_leu<mode): Same.
7366         (ltu<mode>_compare): Same.
7367         (plus_ltu<mode>): Same.
7368         (geu<mode>): Same.
7369         (geu<mode>_compare): Same.
7370         (plus_geu<mode>): Same.
7371         (neg_geu<mode>): Same.
7372         (and_neg_geu<mode>): Same.
7373         (plus_gt<mode>): Same.
7374         (gtu<mode>_compare): Same.
7375         (plus_gtu<mode>): Same.
7376
7377 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7378
7379         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7380         Move call_table_data to end.  Delete spurious .text.
7381         (callt_save_all_interrupt): Fix comment typo.
7382
7383 2005-08-17  James E Wilson  <wilson@specifix.com>
7384             Kevin Winchester  <winchester@amirix.com>
7385
7386         PR target/21684
7387         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7388
7389 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7390
7391         PR target/23268
7392         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7393         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7394
7395 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7396
7397         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7398         record with the type of its only member if the modes don't match.
7399
7400         * varasm.c (decode_reg_name): Skip empty additional register names.
7401
7402 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7403
7404         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7405         lsm_tmp_name_length): New.
7406         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7407         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7408
7409 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7410             Andreas Krebbel  <krebbel1@de.ibm.com>
7411
7412         * config.gcc: Added z9-109 switch.
7413         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7414         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7415         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7416         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7417         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7418         for "z9_109" cpu attribute.
7419         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7420         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7421         (s390_handle_arch_option): Added z9-109 switch.
7422         (override_options): Set respective cost function for z9-109.
7423         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7424         (legitimate_reload_constant_p): Accept extended immediates.
7425         (print_operand): Three new output modifiers added: k, m and o.
7426         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7427         (s390_output_mi_thunk): Use extended immediate when possible.
7428         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7429         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7430         (CONSTRAINT_LEN): Added length of O constraint.
7431         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7432         * config/s390/s390.md ("cpu"): New value z9_109 added.
7433         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7434         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7435         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7436         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7437         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7438         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7439         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7440         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7441         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7442         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7443         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7444         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7445         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7446         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7447         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7448         immediates.
7449         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7450         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7451         insns for TARGET_EXTIMM.
7452
7453 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7454
7455         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7456
7457 2005-08-17  Nick Clifton  <nickc@redhat.com>
7458
7459         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7460         Call default_encode_section_info.
7461
7462 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7463
7464         PR tree-optimization/21574
7465         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7466         constant, return CONSTANT.
7467         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7468         (ccp_fold, visit_assignment): Likewise.
7469         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7470
7471 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7472
7473         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7474         fold_buildN instead of buildN then fold_initializer or fold.
7475         (build_unary_op): Likewise.
7476         (build_binary_op): Likewise.
7477         * fold-const.c (fold_initializer): Remove.
7478         (fold_build1_initializer): New function.
7479         (fold_build2_initializer): New function.
7480         (fold_build3_initializer): New function.
7481         * tree.h (fold_initializer): Remove.
7482         (fold_build1_initializer): New function.
7483         (fold_build2_initializer): New function.
7484         (fold_build3_initializer): New function.
7485
7486 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7487
7488         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7489         (try_move_mult_to_index): Call fold_build2 instead of build2.
7490         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7491         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7492         fold_binary_to_constant.
7493         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7494         fold (build.
7495         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7496         check if A == gcd (A, B).  Remove TYPE argument.
7497         (analyze_offset) Use fold_build2 instead of fold (build.
7498         (create_data_ref): Likewise.
7499         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7500         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7501         then fold.
7502
7503 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7504
7505         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7506         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7507
7508 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7509
7510         PR tree-opt/23402
7511         * gimplify.c (zero_sized_type): New function.
7512         (gimplify_modify_expr_rhs): If we have a zero sized type,
7513         replace the statement with an empty statement.
7514
7515 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7516
7517         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7518         fxsave.
7519
7520 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7521
7522         * doc/tm.texi (Label Output): Correct typo.
7523
7524 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7525
7526         PR target/23376
7527         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7528         force_operand will work later on using have_insn_for.
7529
7530 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7531
7532         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7533
7534 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7535
7536         PR c++/23337
7537         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7538         vector type, don't try to construct it element by element.  Add an
7539         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7540
7541 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7542
7543         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7544
7545 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7546
7547         * doc/invoke.texi (Precompiled Headers): Document some more options
7548         which are known to be safe.
7549
7550 2005-08-16  James E Wilson  <wilson@specifix.com>
7551
7552         PR tree-optimization/21105
7553         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7554         TREE_OVERFLOW check.
7555
7556 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7557
7558         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7559         (neg_ltu<mode>): Same.
7560         (gtu<mode>): Same.
7561         (neg_gtu<mode>): Same.
7562
7563 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7564
7565         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7566         (fold_builtin_isdigit): Use fold_buildN.
7567         (build_function_call_expr): Likewise.
7568         * c-typeck.c (c_finish_loop): Likewise.
7569
7570 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7571             Richard Shann <rshann@superh.com>
7572
7573         PR middle-end/20396:
7574         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7575
7576 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7577
7578         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7579
7580 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7581
7582         PR target/23355
7583         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7584         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7585         must be saved.
7586
7587 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7588
7589         PR middle-end/23369
7590         * fold-const.c (build_range_check): Disable optimization for function
7591         pointer expressions on targets that require function pointer
7592         canonicalization.
7593
7594 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7595
7596         * simplify-rtx.c (simplify_const_relational_operation): When
7597         extracting arguments of a COMPARE, recompute the mode as well.
7598
7599 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7600
7601         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7602
7603 2005-08-15  DJ Delorie  <dj@redhat.com>
7604
7605         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7606         the stack.
7607         (movsi_splittable): Allow, but split, moves to the stack.
7608         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7609         stack.
7610
7611 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7612
7613         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7614         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7615         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7616
7617         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7618         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7619         Delete HOST_PTR_PRINTF.
7620
7621         * configure, config.in: Regenerate.
7622
7623 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7624
7625         * config/rs6000/rs6000.md (QHSI): New mode macro.
7626         (wd): Extend mode attr for QImode and HImode
7627         (dbits): New mode attr.
7628         (zero_extend<mode>di2): Convert to mode macro.
7629
7630 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7631
7632         PR target/21841
7633         * doc/invoke.texi (-mgnu-ld): Update description.
7634         (-mhp-ld): Ditto.
7635
7636 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7637
7638         PR 23391
7639         * Makefile.in (tree-chrec.o): Depends on real.h.
7640         * tree-chrec.c: Include real.h.
7641         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7642         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7643         * tree-scalar-evolution.c (add_to_evolution_1,
7644         interpret_rhs_modify_expr): Ditto.
7645
7646 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7647
7648         PR 23386
7649         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7650         step is negative compute the estimation from init downwards to zero.
7651
7652 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7653
7654         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7655
7656 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7657
7658         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7659         constraint.
7660         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7661         Accept double-word constants that can be split.
7662         * config/s390/s390.md ("movti"): Use 'P' constraint.
7663         ("*movdi_31", "*movdf_31"): Likewise.
7664
7665 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7666
7667         Fix PR tree-optimization/22615
7668
7669         * tree-ssa-structalias.c (solution_set_add): Handle
7670         first_vi_for_offset returning NULL.
7671         (do_da_constraint): Ditto.
7672         (do_sd_constraint): Ditto.
7673         (do_ds_constraint): Ditto
7674         (find_func_aliases): Ditto.
7675         (build_constraint_graph): RHS is allowed be ANYTHING.
7676         (first_vi_for_offset): Return NULL if we couldn't find anything at
7677         the offset.
7678
7679 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7680
7681         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7682         over memory as first operand.
7683
7684 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7685
7686         PR target/23360
7687         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7688         available for setting it.
7689
7690 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7691
7692         PR tree-optimization/23320
7693         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7694         data-refs' types instead of base object nullness. Add check for
7695         pointer type data-refs before first location comparison. Remove
7696         assert.
7697
7698 2005-08-14  Andreas Schwab  <schwab@suse.de>
7699
7700         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7701
7702 2005-08-13  James E Wilson  <wilson@specifix.com>
7703
7704         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7705         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7706         -fstack-protector-all, --param ssp-buffer-size): Document.
7707         (-Wvariadic-macros): Alphabetize.
7708         (-fsched-stalled-insns-dep): Add missing 'f'.
7709
7710         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7711         macros.
7712
7713 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7714
7715         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7716         or indirect address operand.
7717         (EXTRA_ADDRESS_CONSTRAINT): New.
7718         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7719
7720 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7721
7722         PR tree-optimization/22236
7723         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7724         successors and predecessors.
7725         * tree-chrec.c (chrec_convert): Before converting, check that
7726         sequences don't wrap.
7727         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7728         (analyze_array): Extern.
7729         (find_data_references_in_loop): Remove call to
7730         compute_estimated_nb_iterations.
7731         * tree-data-ref.h (analyze_array): Declared.
7732         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7733         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7734         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7735         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7736         condition.
7737         * tree-ssa-loop-ivcanon.c: Fix documentation.
7738         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7739         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7740         (infer_loop_bounds_from_undefined): New.
7741         (estimate_numbers_of_iterations_loop): Use
7742         infer_loop_bounds_from_undefined.
7743         (used_in_pointer_arithmetic_p): New.
7744         (scev_probably_wraps_p): Pass an extra parameter.  Call
7745         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7746         (convert_step): Fix documentation.
7747         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7748         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7749         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7750         scev_probably_wraps_p.
7751
7752 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7753
7754         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7755         (s390_register_info): Ignore clobbered_regs information for fixed
7756         registers, and only fixed registers.
7757         (s390_init_frame_layout): Remove redundant call.
7758
7759 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7760
7761         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7762         description of -Wold-style-casts.
7763
7764 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7765             Jakub Jelinek  <jakub@redhat.com>
7766
7767         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7768         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7769         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7770         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7771         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7772         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7773         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7774         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7775         ("stack_protect_set", "stack_protect_test"): New expanders.
7776         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7777         "stack_protect_testdi"): New insn definitions.
7778
7779 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7780
7781         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7782
7783 2005-08-12  Paul Brook  <paul@codesourcery.com>
7784
7785         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7786
7787 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7788
7789         * config/s390/predicates.md (setmem_operand): New predicate.
7790         (shift_count_operand): Accept ANDs with special constants as
7791         operand.
7792         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7793         with special constants.
7794         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7795         shift_count_operand with setmem_operand.
7796
7797 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7798
7799         * config/s390/s390.c (s390_extract_part, s390_single_part):
7800         Type cast added.
7801         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7802         (s390_output_mi_thunk): Don't use lg on 31 bit.
7803         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7804         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7805
7806 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7807
7808         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7809         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7810         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7811         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7812         with one of the new macros.
7813
7814 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7815
7816         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7817         Don't set save_return_addr_p.
7818         (s390_register_info): Make clobbered_regs not depending on
7819         save_return_addr_p.
7820
7821 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7822
7823         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7824         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7825
7826 2005-08-11  James E. Wilson  <wilson@specifix.com>
7827
7828         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7829
7830 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7831
7832         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7833         locations gathered by var-tracking in single entry loc_list
7834         over loc_descriptor_from_tree.
7835
7836         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7837         pass it down to loc_descriptor.
7838         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7839         (containing_function_has_frame_base): Move earlier in the file.
7840         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7841         instead of always assuming fbreg can't be used.
7842
7843 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7844
7845         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7846         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7847         Accept address wrapped in AND for Altivec.
7848         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7849         Strip AND wrapping offset address for Altivec.
7850
7851 2005-08-11  Richard Henderson  <rth@redhat.com>
7852
7853         PR middle-end/23312
7854         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7855         before using TYPE_IS_SIZETYPE.
7856
7857 2005-08-11  Richard Henderson  <rth@redhat.com>
7858
7859         PR target/22225
7860         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7861         insn types not present on ev4.
7862         (alphaev5_insn_pipe): Similarly.
7863
7864 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7865
7866         PR target/23250
7867         * arm.c (arm_override_options): If the user has selected callee-super-
7868         interworking, then enable normal interworking.
7869
7870 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7871
7872         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7873         redefinition.
7874
7875 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7876
7877         * doc/rtl.texi: Fix two typos.
7878
7879 2005-08-11  Richard Guenther  <rguenther@suse.de>
7880
7881         PR target/23289
7882         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7883         cases where we call to/from functions returning void.
7884
7885 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7886
7887         PR c++/23225
7888         * tree.c (build_pointer_type_for_mode): Robustify.
7889
7890 2005-08-10  James E Wilson  <wilson@specifix.com>
7891
7892         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7893         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7894
7895         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7896         "cum->".
7897
7898 2005-08-10  Eric Christopher  <echristo@apple.com>
7899
7900         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7901         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7902         V2DFmode.
7903
7904 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7905
7906         PR target/21887
7907         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7908         for the high part when generating dynamic-no-pic code.
7909
7910 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7911
7912         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7913         (x86_64-*-linux*): Likewise.
7914
7915         * config/i386/crtfastmath.c: New file.
7916         * config/i386/t-crtfm: Likewise.
7917
7918         * config/i386/linux.h (ENDFILE_SPEC): New.
7919         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7920
7921         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7922         crtfastmath.o.
7923
7924 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7925
7926         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7927         (vec_shl, vec_shr): Document new operations.
7928         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7929
7930 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7931
7932         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7933         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7934         change predicate to indexed_or_indirect_address.
7935
7936 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7937
7938         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7939         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7940         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7941         and __aeabi_uwrite8.
7942         * config/arm/unaligned-funcs.c: New file.
7943         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7944
7945 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7946
7947         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7948         Add dump.
7949         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7950         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7951         Add dump.
7952         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7953         * final.c (pass_shorten_branches): Add dump.
7954         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7955         (pass_life): Rename dump.
7956         (rest_of_handle_flow2): Remove initial verify_flow_info.
7957         * function.c (pass_instantiate_virtual_regs): Add dump.
7958         * integrate.c (pass_initial_value_sets): Add dump.
7959         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7960         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7961         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7962         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7963         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7964         gate_rtl_unrool_and_peel_loops): New.
7965         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7966         rtl_doloop): Do not look at flags.
7967         * mode-switching.c (pass_mode_switching): Add dump.
7968         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7969         pass_split_before_regstack): Add dump.
7970         * regmove.c (pass_stack_adjustments): Add dump.
7971         * tree-optimize.c (pass_fixup_cfg): Add dump.
7972
7973 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7974
7975         PR 23309
7976         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7977         deciding which instruction sequence to use.
7978
7979 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7980
7981         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7982         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7983
7984 2005-08-09  Richard Guenther  <rguenther@suse.de>
7985
7986         * c-common.c (builtin_function_2): Remove.
7987         (def_builtin_1): New function.
7988         (c_common_nodes_and_builtins): Use def_builtin_1 to
7989         build builtin functions.
7990
7991 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7992
7993         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7994         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7995         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7996         Visual DSP.
7997
7998 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7999
8000         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8001         fold_binary instead of fold_build2 since we don't care about the
8002         resulting tree.
8003         (loop_niter_by_eval): Likewise.
8004         (compare_trees): Likewise.
8005         (proved_non_wrapping_p): Likewise.
8006
8007 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8008
8009         PR c/23161
8010         PR c/23165
8011         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8012         if the if is really empty.
8013
8014 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8015
8016         PR tree-optimization/23234
8017         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8018         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8019         argument of the new enum.
8020         (execute_cse_reciprocals): Add reciprocals for function arguments
8021         on the unique successor edge of the entry block.  Update other calls
8022         to execute_cse_reciprocals_1.
8023
8024 2005-08-08  Richard Henderson  <rth@redhat.com>
8025
8026         PR 22439
8027         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8028
8029 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8030
8031         * expr.c (write_complex_part): Return after handling MEM.
8032
8033 2005-08-08  Josh Conner  <jconner@apple.com>
8034
8035         PR rtl-optimization/23241
8036         * combine.c (simplify_comparison): Fix error in determining
8037         whether to lift a subreg from comparison.
8038
8039 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8040
8041         PR target/18506
8042         * config/rs6000/altivec.md (vec_init<mode>): New.
8043         (vec_set<mode>): New.
8044         (vec_extract<mode>): New.
8045         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8046         (rs6000_expand_vector_set): New.
8047         (rs6000_expand_vector_extract): New.
8048         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8049         for Altivec modes before reload.
8050         (altivec_expand_vec_init_builtin): New.
8051         (get_element_number): New.
8052         (altivec_expand_vec_set_builtin): New.
8053         (altivec_expand_vec_ext_builtin): New.
8054         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8055         builtins.
8056         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8057         builtins.
8058         * config/rs6000/rs6000.h (rs6000_builtins): Add
8059         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8060         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8061         * config/rs6000/rs6000-protos.h: Declare new functions.
8062
8063 2005-08-08  Jan Hubicka  <jh@suse.cz>
8064
8065         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8066         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8067         * i386.md (movdi*): Use pic_32bit_operand.
8068         * predicates.md (pic_32bit_operand): New.
8069
8070 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8071
8072         PR c++/21166
8073         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8074
8075 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8076
8077         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8078         (test_for_singularity): Use fold_build2.
8079
8080 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8081
8082         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8083
8084 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8085
8086         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8087         (COMMON_ASM_OP) Define.
8088         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8089         (ix86_encode_section_info): Likewise.
8090         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8091         SUBTARGET_ENCODE_SECTION_INFO.
8092
8093 2005-08-06  Richard Henderson  <rth@redhat.com>
8094
8095         PR 21894
8096         * tree-nested.c (convert_local_reference): Save and restore val_only
8097         around component_ref and friends.  Clear walk_subtrees by default.
8098
8099 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8100
8101         PR 21366
8102         * gcc.c (process_command): Check the argument to -b has a dash.
8103         * doc/invoke.texi: Update -b and -V docs.
8104
8105 2005-08-06  James E Wilson  <wilson@specifix.com>
8106
8107         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8108
8109 2005-08-06  Michael Matz  <matz@suse.de>
8110
8111         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8112         member only if only one insn is associated with the value.
8113
8114 2005-08-06  Nick Clifton  <nickc@redhat.com>
8115
8116         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8117         New define.
8118         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8119         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8120         Check symbol flags instead of symbol name mangling.
8121         (xstormy16_asm_output_aligned_common): Likewise.  Also
8122         simplify code since the bss100_section cass is the only case
8123         where the below100 code will be triggered.
8124         (xstormy16_encode_section_info): Encode below100 attribute
8125         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8126         the name.
8127         (xstormy16_strip_name_encoding): Delete - this function is no
8128         longer needed.
8129         (TARGET_STRIP_NAME_ENCODING): Undefine.
8130         * config/stormy16/stormy16-protos.h: Delete prototype for
8131         xstormy16_strip_name_encoding.
8132
8133 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8134
8135         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8136         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8137         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8138         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8139         config/alpha/predicates.md, config/arc/arc.h,
8140         config/arm/arm.h, config/arm/ieee754-df.S,
8141         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8142         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8143         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8144         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8145         config/m68hc11/m68hc11.h, config/mips/mips.c,
8146         config/mips/mips.h, config/mips/openbsd.h,
8147         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8148         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8149         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8150         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8151         config/sparc/linux.h, config/sparc/linux64.h,
8152         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8153         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8154         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8155         typos.  Follow spelling conventions.
8156
8157 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8158
8159         PR c/23113
8160         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8161         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8162         specially.  Check for side effects only for COND_EXPR.
8163         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8164         return with TREE_NO_WARNING.
8165
8166 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8167
8168         PR rtl-optimization/23233
8169         * loop.c (combine_movables): Require the modes to be the same.
8170         (move_movables): Remove handling of cases where the replacement
8171         had a different mode to the original.
8172
8173 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8174
8175         PR tree-optimization/23128
8176         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8177         subtraction wrap, and set TREE_OVERFLOW if they do.
8178
8179 2005-08-05  Richard Henderson  <rth@redhat.com>
8180
8181         PR 21728
8182         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8183         FORCED_LABEL labels.
8184
8185 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8186
8187         PR middle-end/23135
8188         * reload.c (find_reloads_subreg_address): Pass down TYPE
8189         unchanged.  Change all callers except find_reloads_toplev.
8190
8191 2005-08-05  Michael Matz  <matz@suse.de>
8192
8193         * genattrtab.c (current_alternative_string): Remove.
8194         (SIMPLIFY_ALTERNATIVE): Ditto.
8195         (attr_alt_bit_p): Ditto.
8196         (alternative_name): Make const char *.
8197         (evaluate_eq_attr): Remove use of above things.
8198         (simplify_test_exp): Ditto.
8199         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8200         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8201
8202 2005-08-04  James E Wilson  <wilson@specifix.com>
8203
8204         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8205         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8206         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8207         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8208         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8209
8210 2005-08-04  Richard Henderson  <rth@redhat.com>
8211
8212         PR 21529
8213         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8214         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8215         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8216         if we'd have to instantiate too many members.
8217
8218 2005-08-04  Richard Henderson  <rth@redhat.com>
8219
8220         PR 21291
8221         * tree-outof-ssa.c (coalesce_asm_operands): New.
8222         (coalesce_ssa_name): Use it.  Split out ...
8223         (coalesce_phi_operands, coalesce_result_decls): ... these.
8224
8225 2005-08-04  Paul Brook  <paul@codesourcery.com>
8226
8227         * read-rtl.c (read_quoted_string): Break if EOF.
8228
8229 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8230
8231         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8232         (fold_build2): Likewise.
8233         (fold_build3): Likewise.
8234         (fold_build1_stat): New function prototype.
8235         (fold_build2_stat): Likewise.
8236         (fold_build3_stat): Likewise.
8237         * fold-const.c (fold_build1): Rename to ..
8238         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8239         through to build1_stat.
8240         (fold_build2): Rename to ..
8241         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8242         through to build2_stat.
8243         (fold_build3): Rename to ..
8244         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8245         through to build3_stat.
8246
8247 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8248             Ian Lance Taylor  <ian@airs.com>
8249
8250         * function.c (assign_stack_local_1): Do not correct stack slot
8251         address if allocation size is smaller than mode size.
8252
8253 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8254
8255         PR 22037
8256         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8257         (tree_merge_blocks): Propagate anything allowed by
8258         may_propagate_copy.
8259         Clarify documentation.
8260         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8261         SSA form, schedule an update if necessary.
8262
8263 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8264
8265         * doc/install.texi (Binaries): Remove broken link to
8266         Sinix/Reliant Unix binaries.
8267
8268 2005-08-03  Richard Henderson  <rth@redhat.com>
8269
8270         PR 23221
8271         * function.c (stack_protect_epilogue): Export.
8272         * tree.h (stack_protect_epilogue): Declare.
8273         * calls.c (expand_call): Call it.
8274
8275 2005-08-03  Eric Christopher  <echristo@apple.com>
8276
8277         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8278         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8279         spec.
8280
8281 2005-08-04  Jan Hubicka  <jh@suse.cz>
8282
8283         * profile.c (branch_prob): Split edges with goto locus on them
8284         to get proper line counts.
8285         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8286
8287 2005-08-03  Paul Brook  <paul@codesourcery.com>
8288
8289         * function.c (assign_parms): Round current_function_args_size
8290         to PARM_BOUNDARY, not STACK_BOUNDARY.
8291
8292 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8293
8294         * config/i386/i386.c (x86_elf_aligned_common)
8295         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8296
8297 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8298
8299         PR tree-optimization/23157
8300         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8301         before emitting them.
8302
8303 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8304
8305         PR tree-optimization/19899
8306         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8307         * tree-scalar-evolution.c: Include real.h.
8308         (add_to_evolution): Build constant -1 of correct type.
8309
8310 2005-08-03  Jan Hubicka  <jh@suse.cz>
8311
8312         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8313         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8314         profile updating for complette unrolling.
8315         * loop-unroll.c (peel_loop_completely): Use it.
8316         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8317         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8318         loops.
8319
8320 2005-08-03  Paul Brook  <paul@codesourcery.com>
8321
8322         * combine.c (can_change_dest_mode): New function.
8323         (try_combine, simplify_set): Use it.
8324
8325 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8326
8327         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8328         TFmode to BLKmode.
8329
8330 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8331
8332         * doc/install.texi (Specific): Adjust link to openavr.org.
8333         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8334         (Binaries): Adjust HP-UX Porting Center link.
8335         (Binaries): Adjust Free Software Foundation ordering link.
8336
8337 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8338
8339         * convert.c (convert_to_integer): Use fold_build1 instead of
8340         build1 when converting an integer to an integer.
8341
8342 2005-08-02  Richard Henderson  <rth@redhat.com>
8343
8344         * combine.c (combine_instructions): Don't use reg_equal/equiv
8345         results if the mode doesn't match.
8346
8347 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8348
8349         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8350         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8351
8352 2005-08-02  Richard Henderson  <rth@redhat.com>
8353
8354         PR 23196
8355         * explow.c (memory_address): Remove special-case for
8356         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8357
8358 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8359
8360         PR 23164
8361         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8362         number of calls to cleanup_tree_cfg_1.
8363
8364 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8365
8366         * doc/invoke.texi: document file extensions .F90 and .F95
8367
8368 2005-08-02  Richard Guenther  <rguenther@suse.de>
8369
8370         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8371         positive if its first argument is positive.
8372
8373 2005-08-02  Richard Guenther  <rguenther@suse.de>
8374
8375         PR tree-optimization/23177
8376         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8377         on TMR_TAG.
8378
8379 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8380
8381         PR tree-optimization/23129
8382         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8383         varying for divisions with anti-ranges.
8384
8385 2005-08-02  Jan Hubicka  <jh@suse.cz>
8386
8387         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8388         * tree-ssa-threadupdate.c (thread_block): Add it here.
8389
8390 2005-08-01  James E Wilson  <wilson@specifix.com>
8391
8392         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8393         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8394         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8395         New.
8396         * config/mips/predicates.md (const_call_insn_operand): Add check for
8397         SYMBOL_REF_LONG_CALL_P.
8398         * doc/extend.texi (long_call): Document the new attribute.
8399
8400 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8401             Richard Henderson  <rth@redhat.com>
8402
8403         * Makefile.in (RTL_BASE_H): Add real.h.
8404         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8405         instead of memcpy.
8406         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8407         directly.
8408         * rtl.c (rtl_check_failed_code_mode): New.
8409         * rtl.h (struct rtx_def): Add u.rv.
8410         (XCMWINT, XCNMPRV): New.
8411         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8412         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8413
8414 2005-08-01  Richard Henderson  <rth@redhat.com>
8415
8416         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8417         with auto-inc codes.
8418
8419         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8420
8421 2005-08-01  Jan Hubicka  <jh@suse.cz>
8422
8423         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8424         * i386.c: Include dwarf2.h
8425         (asm_preferred_eh_data_format): New.
8426         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8427
8428 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8429
8430         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8431         randomize_va_space for virtual address randomization control.
8432
8433 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8434
8435         * common.opt (flag_ipa_cp): Put in right place to maintain
8436         alphabetic sort.
8437
8438 2005-08-01  Jan Hubicka  <jh@suse.cz>
8439
8440         * profile.c (compute_value_histograms): Fix thinko.
8441         * value-prof.c: Include toplev.h
8442         (check_counter): New function.
8443         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8444         tree_mod_subtract_transform): Add sanity check.
8445
8446 2005-08-01  Richard Guenther  <rguenther@suse.de>
8447
8448         PR tree-optimization/23133
8449         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8450         current functions parameter decls to find defs to cse
8451         reciprocals of.
8452
8453 2005-08-01  Richard Guenther  <rguenther@suse.de>
8454
8455         PR tree-optimization/23109
8456         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8457         If trapping math is in effect, use post-dominator information
8458         to check if we'd in any case reach a trapping point before
8459         doing the reciprocal insertion.
8460         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8461         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8462         expressions are invariant only if trapping math is not in effect.
8463
8464 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8465
8466         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8467         cgraph_function_versioning): New declarations.
8468         * cgraphunit.c: Add include to ipa-prop.h.
8469         (update_call_expr, cgraph_copy_node_for_versioning,
8470         cgraph_function_versioning): New functions.
8471         * integrate.c (copy_decl_for_inlining): Remove.
8472         * ipa-prop.h (ipa_replace_map): New struct.
8473         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8474         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8475         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8476         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8477         ipcp_iterate_stage, ipcp_method_scale_print,
8478         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8479         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8480         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8481         ipcp_update_bb_counts, ipcp_update_profiling,
8482         ipcp_update_edges_counts): New functions.
8483         (ipcp_method_cval_init): Remove restriction regarding local methods.
8484         (ipcp_init_stage): Add ipcp_method_compute_scale.
8485         (ipcp_insert_stage): Add versioning.
8486         (ipcp_structures_print): Add ipcp_method_scale_print.
8487         (ipcp_driver): Dump profiling info.
8488         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8489         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8490         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8491         (struct inline_data): Add versioning_p, ipa_info, new fields.
8492         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8493         declare_return_variable): Replace calls to copy_decl_for_inlining with
8494         copy_decl_for_dup.
8495         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8496         versioning support.
8497         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8498         Add argument VERSIONING.
8499         (copy_arguments_for_versioning, copy_static_chain,
8500         function_versionable_p, tree_versionable_function_p,
8501         tree_function_versioning, replace_ref_tree): New functions.
8502         * tree-inline.h: Include varray.h.
8503         (tree_versionable_function_p,  tree_function_versioning,
8504         tree copy_decl_for_dup): New declarations.
8505
8506 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8507
8508         * ipa-cp.c: New file. Contains IPCP specific functionality.
8509         * ipa-prop.h: New file. Contains structures/definitions that can be
8510         used by several interprocedural data flow optimizations (and also IPCP).
8511         * ipa-prop.c: New file.
8512         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8513         * common.opt: Add ipa-cp flag.
8514         * timevar.def: Add IPCP optimization.
8515         * tree-optimize.c (init_tree_optimization_passes): Schedule
8516         pass_ipa_cp.
8517         * tree-pass.h (pass_ipa_cp): Declare.
8518
8519 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8520
8521         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8522         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8523         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8524         config/i386/i386.c, config/mips/mips.h,
8525         config/rs6000/rs6000.h, config/sh/sh.c,
8526         config/stormy16/stormy16.c: Fix comment typos.
8527
8528 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8529
8530         PR c/22311
8531         * c-typeck.c (build_binary_op): Use common_type wrapper on
8532         shortened types.
8533         (common_type): Update comment.
8534
8535 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8536
8537         PR target/23095
8538         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8539         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8540         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8541
8542 2005-07-31  Jan Hubicka  <jh@suse.cz>
8543
8544         * pretty-print.h (pp_widest_integer): New macro.
8545         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8546         counts.
8547
8548 2005-07-31  Jan Hubicka  <jh@suse.cz>
8549
8550         * output.h (enum section_category): Export from varasm.c
8551         (categorize_decl_for_section): Likewise.
8552         * varasm.c (enum section_category): Kill.
8553         (categorize_decl_for_section): Make global.
8554         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8555         Declare.
8556         * i386.c (ix86_section_threshold): New static variable.
8557         (ix86_in_large_data_p, ix86_encode_section_info,
8558         x86_64_elf_unique_section,
8559         x86_64_elf_select_section): New functions.
8560         (TARGET_ENCODE_SECTION_INFO): Define
8561         (override_options): Enable medium model for PIC.
8562         (ix86_expand_prologue): Expand gen_set_got_rex64.
8563         (legitimate_constant_p): Handle new UNSPECs.
8564         (legitimate_pic_address_disp_p): Likewise.
8565         (legitimize_pic_address): Lower MEDIUM model addressing.
8566         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8567         (enum cmodel): Add MEDIUM_PIC.
8568         (SYMBOL_REF_FAR_ADDR_P): New macro.
8569         (SYMBOL_FLAG_FAR_ADDR): New flag.
8570         * i386.md (movdi): Support medium model.
8571         (set_got_rex64): New pattern.
8572         * i386.opt (mlarge-data-threshold): New flag.
8573         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8574         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8575         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8576         TARGET_ASM_UNIQUE_SECTION): New.
8577
8578         * invoke.texi (-mlarge_data_threshold): Document
8579
8580 2005-07-31  Jan Hubicka  <jh@suse.cz>
8581
8582         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8583         (coalesce_vars): Likewise.
8584         * tree-ssa-live.c (coalesce_cost): New.
8585         (build_tree_conflict_graph): Use coalesce_cost.
8586         * tree-ssa-live.h (coalesce_cost): Declare.
8587
8588 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8589
8590         * arm.md (all peepholes for post-increment operations): Delete.
8591         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8592         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8593         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8594         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8595         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8596
8597 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8598
8599         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8600         non-integral types.
8601
8602 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8603
8604         PR target/22582
8605         * doc/invoke.texi: Document -rdynamic.
8606
8607 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8608
8609         PR c/23143
8610         * c-parser.c (c_parser_parms_list_declarator): Call
8611         mark_forward_parm_decls.
8612         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8613         decls with visibility structure.
8614
8615 2005-07-30  Paul Brook  <paul@codesourcery.com>
8616
8617         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8618
8619 2005-07-30  Paul Brook  <paul@codesourcery.com>
8620
8621         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8622         prototype.
8623         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8624         value for mode.
8625         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8626
8627 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8628
8629         PR c/529
8630         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8631         nested function declarators.
8632         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8633         (grokparms): Call warn_if_shadowing for parameters used within the
8634         parameter list.
8635         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8636         not used within the parameter list.
8637         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8638
8639 2005-07-30  Jan Hubicka  <jh@suse.cz>
8640
8641         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8642         * i386.c (ix86_fixup_binary_operands): Likewise.
8643         (ix86_expand_unary_operator): Likewise.
8644         (ix86_expand_fp_absneg_operator): Likewise.
8645         * optabs.c (expand_vec_cond_expr): Validate dest.
8646
8647 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8648
8649         PR c/21720
8650         * real.c (real_from_string): Also set last bit if there is a
8651         nonzero hex digit beyond GCC's internal precision after ".".
8652
8653 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8654
8655         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8656         define_constants.  Change duplicate values to unassigned numbers.
8657         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8658         (*altivec_vspltsf): New.
8659         (altivec_vperm_v4sf): Delete.
8660         (altivec_vperm_<mode>): Use mode macro V.
8661         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8662         (altivec_predicate_v4sf): Delete.
8663         (altivec_predicate_<mode>): Use mode macro V.
8664         (*altivec_lvesfx): New.
8665         (*altivec_stvesfx): New.
8666         (vec_realign_load_v4sf): Delete.
8667         (vec_realign_load_<mode>): Use mode macro V.
8668         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8669         UNSPECV_SET_VRSAVE.
8670
8671 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8672
8673         PR bootstrap/23131
8674         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8675         string.
8676         * configure: Regenerated.
8677
8678 2005-07-29  Paul Brook  <paul@codesourcery.com>
8679
8680         * doc/install.texi: Add link to GFortran binaries wiki page.
8681
8682 2005-07-29  David Ung  <davidu@mips.com>
8683
8684         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8685         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8686         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8687         * config/mips/mips.md (cpu): Add 5kf name.
8688         (includes): Includes 5k.md.
8689         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8690         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8691         -march flag.
8692
8693 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8694
8695         PR 22550
8696         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8697         (cleanup_tree_cfg): ... here.
8698         Call cleanup_tree_cfg_1 until there are no more cleanups to
8699         do.
8700
8701 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8702
8703         * tree-vrp.c (compare_range_with_value): Return true or false
8704         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8705         EQ_EXPR respectively.
8706
8707 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8708
8709         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8710         Fix comment typos.
8711
8712 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8713
8714         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8715         (tree_ssa_dominator_optimize): Increment it.
8716         (dump_dominator_optimization_stats): Print it.
8717
8718 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8719             Steven Bosscher  <stevenb@suse.de>
8720
8721         PR rtl-optimization/23117
8722         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8723         when head == tail.  Tidy comment.
8724
8725 2005-07-28  Richard Henderson  <rth@redhat.com>
8726
8727         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8728         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8729         * jump.c (rtx_renumbered_equal_p): Likewise.
8730         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8731         CONST_INT and CONST_DOUBLE.
8732         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8733         * reload.c (operands_match_p): Special case CONST_INT and
8734         CONST_DOUBLE; check mode earlier.
8735
8736 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8737
8738         PR c/22240
8739         * c-typeck.c (convert_for_assignment): Do not check
8740         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8741
8742 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8743
8744         PR c/22192
8745         * c-typeck.c (composite_type): Prefer constant size arrays to
8746         VLAs.
8747
8748 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8749
8750         PR c/21720
8751         * real.c (real_from_string): Set last bit if there is a nonzero
8752         hex digit beyond GCC's internal precision.
8753
8754 2005-07-28  Richard Henderson  <rth@redhat.com>
8755
8756         PR rtl-opt/22619
8757         * cfgcleanup.c (try_forward_edges): Watch out for end of
8758         insn chain.
8759
8760 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8761
8762         PR c/23106
8763         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8764
8765 2005-07-28  Jan Hubicka  <jh@suse.cz>
8766
8767         * Makefile.in (rtl-profile.o): Kill all traces of it.
8768         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8769         * coverage.h (rtl_coverage_counter_ref): Kill.
8770         * opts.c (flag_speculative_prefetching_set): Kill.
8771         (flag_loop_optimize_set): New.
8772         (common_handle_option): Disable loop optimizer when profiling;
8773         do not handle speculative prefetching.
8774         * passes.c (init_optimization_passes): Replace pass_profiling combo
8775         by branch_prob pass.
8776         * profile.c (compute_value_histograms): Update for simplified value
8777         profiles.
8778         (rtl_register_profile_hooks): Kill.
8779         (pass_profiling): Kill.
8780         (rest_of_handle_branch_prob): Do not profile.
8781         * toplev.c (process_options): Remove speculative prefetching.
8782         * toplev.h (flag_tree_based_profiling): Kill.
8783         * tree-profile.c (prepare_instrumented_value,
8784         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8785         tree_gen_one_value_profiler, do_tree_profiling): Update for
8786         simplified datastructures.
8787         * value-prof.c: Add comment that speculative prefetching was dropped;
8788         update rest of file for simplified datastructures.
8789         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8790         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8791         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8792         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8793         rtl_mod_subtract, gen_speculative_prefetch,
8794         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8795         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8796         (gate_handle_value_profile_transformations,
8797         rest_of_handle_value_profile_transformations,
8798         pass_value_profile_transformations): Kill.
8799         * value-prof.h (histogram_value_t): Remove IL based unions.
8800         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8801         rtl_profile_hooks): Remove hooks.
8802
8803         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8804
8805         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8806         (cgraph_clone_node): Likewise.
8807         * cgraph.h (cgraph_clone_edge): Update prototype.
8808         (cgraph_clone_node): Likewise.
8809         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8810         cgraph_clone_node.
8811         (lookup_recursive_calls): Consider profile.
8812         (cgraph_decide_recursive_inlining): Fix updating; use new
8813         probability argument; use profile.
8814         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8815         * tree-inline.c (copy_bb): Update clal of clone_edge.
8816         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8817
8818         * invoke.texi (min-inline-recursive-probability): Document.
8819
8820 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8821
8822         * doc/install.texi (Configuration): Update Valgrind homepage.
8823
8824 2005-07-28  Richard Henderson  <rth@redhat.com>
8825
8826         PR middle-end/21362
8827         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8828         labels we want to delete.
8829         (cfg_layout_merge_blocks): Likewise.
8830
8831 2005-07-28  Richard Henderson  <rth@redhat.com>
8832
8833         PR target/17692
8834         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8835         when expanding to nothing.
8836
8837 2005-07-28  Josh Conner  <jconner@apple.com>
8838
8839         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8840         (cgraph_decide_inlining_of_small_functions): Likewise.
8841
8842 2005-07-28  Josh Conner  <jconner@apple.com>
8843
8844         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8845         direction of badness if negative.
8846         (cgraph_default_inline_p): Add reason to parameters, and assign it
8847         a value.
8848         (cgraph_decide_inlining_of_small_functions): New parameter in call
8849         to cgraph_default_inline_p.
8850         (cgraph_decide_inlining_incrementally): Likewise.
8851         * cgraphunit.c (decide_is_function_needed): Likewise.
8852         * cgraph.h (cgraph_default_inline_p): Likewise.
8853
8854 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8855
8856         * builtins.c: Fix comment typo(s).
8857         * genautomata.c: Likewise.
8858         * gimplify.c: Likewise.
8859         * tree-dfa.c: Likewise.
8860         * tree-flow-inline.h: Likewise.
8861         * tree-into-ssa.c: Likewise.
8862         * tree-ssa-alias.c: Likewise.
8863         * tree-ssa-ccp.c: Likewise.
8864         * tree-ssa-copy.c: Likewise.
8865         * tree-ssa-dce.c: Likewise.
8866         * tree-ssa-dom.c: Likewise.
8867         * tree-ssa-operands.c: Likewise.
8868         * tree-tailcall.c: Likewise.
8869         * tree-vectorizer.c: Likewise.
8870         * tree-vrp.c: Likewise.
8871         * tree.c: Likewise.
8872
8873 2005-07-28  Jeff Law  <law@redhat.com>
8874
8875         * tree-vrp.c (test_for_singularity): Extracted from  ...
8876         (simplify_cond_using_ranges): Attempt to simplify a relational
8877         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8878
8879 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8880
8881         PR tree-optimization/22506
8882         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8883         phis whose argument is constant.
8884
8885 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8886
8887         PR rtl-optimization/18992
8888         Back out this patch:
8889           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8890           PR optimization/12142
8891           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8892           uses of the register in the SET_SRC.  Remove unnecessary argument.
8893
8894         Replace it with this:
8895         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8896         if flag_non_call_exceptions is set and the insn may trap, pass
8897         pc_rtx as dest for recursion.
8898         In SET_SRC part of SET case, if dest is already set, pass it down
8899         unchanged.
8900
8901 2005-07-28  Jan Hubicka  <jh@suse.cz>
8902
8903         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8904         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8905         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8906         roundoff errors.
8907         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8908         profile when available.
8909
8910 2005-07-28  Jan Beulich <jbeulich@novell.com>
8911
8912         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8913         (ia64_print_operand): Describe and handle 'X'.
8914         (ia64_register_move_cost): Also handle FP_REGS.
8915         (ia64_preferred_reload_class): Likewise.
8916         (ia64_secondary_reload_class): Likewise.
8917         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8918         it. Also check for ITANIUM_CLASS_FLDP.
8919         * config/ia64/ia64.h (FP_REGNO_P): New.
8920         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8921         (reg_class): Add FP_REGS.
8922         (REG_CLASS_NAMES): Adjust for it.
8923         (REG_CLASS_CONTENTS): Likewise.
8924         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8925         (REG_CLASS_FROM_LETTER): Handle 'x'.
8926         (CLASS_MAX_NREGS): Handle FP_REGS.
8927         (MEMORY_MOVE_COST): Likewise.
8928         * config/ia64/ia64.md (itanium_class): Add fldp.
8929         (type): Handle fldp.
8930         (movti_internal): More allowable operand combinations. Use ldfp8 when
8931         splitting unnecessary. Remove predicable attribute. Adjust
8932         itanium_class attribute.
8933         (smuldi3_highpart): Remove outdated comment.
8934         (mulditi3, umulditi3, rotlti3): New expanders.
8935         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8936         (absti2): Disabled new insn for future reference.
8937         Respective new splitters.
8938         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8939         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8940         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8941
8942 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8943
8944         PR rtl-optimization/23047
8945         * simplify-rtx.c (simplify_const_relational_operation): Respect
8946         flag_wrapv for comparisons with ABS.
8947
8948 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8949
8950         PR tree-optimization/22493
8951         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8952         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8953
8954 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8955
8956         * config/frv/frv.opt (moptimize-membar): New.
8957
8958         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8959
8960         * config/frv/frv.h: Remove machine_function definition.
8961
8962         * config/frv/frv.c (struct frv_io): New.
8963         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8964         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8965         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8966         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8967         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8968         (frv_reorg): Call frv_optimize_membar when appropriate.
8969         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8970         (frv_expand_builtin): Adjust calls accordingly.
8971         (frv_io_address_cookie): New function.
8972         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8973         load or store rather than a special insn.  Add ccnstant address and
8974         io-type operands to the membar.
8975         (frv_ifcvt_modify_tests): Unsign regno.
8976         (frv_ifcvt_modify_tests): Same.
8977
8978         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8979         UNSPEC_OPTIONAL_MEMBAR constant.
8980         (builtin_read_<mode>): Delete.
8981         (builtin_write_<mode>): Delete.
8982         ("optional_membar_<mode>"): Add operand.
8983
8984         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8985         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8986         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8987         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8988         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8989         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8990         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8991         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8992         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8993
8994 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8995
8996         * df.c (df_uses_record): Handle SCRATCH.
8997
8998 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8999
9000         PR debug/20161
9001         * passes.c (rest_of_decl_compilation): If decl is a type and
9002         we have encountered errors, don't emit debug information.
9003
9004 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9005
9006         * params.def: Fixed comment.
9007
9008 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9009
9010         PR target/19885
9011         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9012         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9013         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9014
9015 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9016
9017         PR c++/22003
9018         * varasm.c (assemble_start_function): Don't do anything that may
9019         require a CFG if the current function is a thunk.
9020
9021 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9022
9023         * doc/install.texi (Prerequisites): Mention that perl is needed
9024         to do export control in libstdc++ targetting Darwin.
9025
9026 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9027
9028         PR rtl-optimization/17808
9029         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9030         (sched_insns_conditions_mutex_p): Split out from...
9031         (add_dependence): ...here.  But don't call it from here.
9032         (add_dependence_list): Check sched_insns_conditions_mutex_p
9033         before calling add_dependence.
9034         (add_dependence_list_and_free): Likewise.
9035         (fixup_sched_groups): Likewise.
9036         (sched_analyze_1): Likewise.
9037         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9038         (sched_analyze): Likewise.
9039         (sched_analyze_insn): Likewise.
9040         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9041         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9042         dependencies on all COND_EXEC insns to jumps ending basic blocks
9043         when doing intrablock scheduling.
9044         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9045
9046 2005-07-27  Jeff Law  <law@redhat.com>
9047
9048         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9049         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9050         equivalency sets, correctly handle the case were vr0 has an
9051         equivalency set, but vr1 does not.
9052
9053 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9054
9055         PR tree-optimization/23073
9056         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9057         vect_print_dump_info before fprintf.
9058
9059 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9060
9061         PR tree-optimize/22348
9062         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9063         Fold the partial computation.
9064
9065 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9066
9067         PR tree-optimization/22325
9068         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9069         Declare.
9070         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9071         value replacement.
9072         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9073         (force_var_cost): ... this function.
9074         (compute_phi_arg_on_exit): Export.
9075
9076 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9077
9078         PR tree-optimization/20773
9079         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9080         edge.
9081
9082 2005-07-27  Richard Guenther  <rguenther@suse.de>
9083
9084         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9085         Avoid pushing again if current struct contains only
9086         fields we decomposed.
9087
9088 2005-07-27  Jan Hubicka  <jh@suse.cz>
9089
9090         PR tree-optimization/22574
9091         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9092         not available.
9093
9094         * tree-tailcall.c (decrease_profile): New function.
9095         (eliminate_tail_call): Use it.
9096
9097         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9098         visibility flags correctly in whole program mode.
9099
9100 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9101
9102         PR rtl-optimization/22472
9103         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9104
9105 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9106
9107         PR tree-optimization/22504
9108         * tree-complex.c (expand_complex_addition): Use 'code' instead
9109         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9110
9111 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9112
9113         * config.gcc (cpu_type): Add frv case.
9114         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9115         (supported_defaults): Add fr550 case.
9116
9117 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9118
9119         PR 22591
9120         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9121         whether a pointer of type T * may point to objects of type T *.
9122
9123 2005-07-26  DJ Delorie  <dj@redhat.com>
9124
9125         * configure: Regenerate.
9126
9127 2005-07-26  Dale Johannesen  <dalej@apple.com>
9128
9129         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9130
9131 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9132
9133         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9134         Clarify use of "build" in name.
9135
9136 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9137
9138         * doc/extend.texi (Raw read/write Functions): New section.
9139         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9140         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9141         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9142         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9143         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9144         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9145         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9146         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9147         * config/frv/frv.c: Add bdesc_loads global.
9148         Add bdesc_stores global.
9149         (frv_init_builtins): Add support for __builtin_{read/write}*.
9150         (frv_volatile_memref): New.
9151         (frv_expand_load_builtin): New.
9152         (frv_expand_store_builtin): New.
9153         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9154         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9155         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9156         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9157         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9158         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9159         (builtin_read_<mode>): New.
9160         (builtin_write_<mode>): New.
9161         (builtin_write64): New.
9162         (optional_membar_<mode>): New.
9163
9164 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9165
9166         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9167         (rather than units) against HOST_BITS_PER_WIDE_INT.
9168
9169 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9170
9171         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9172         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9173         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9174         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9175         FSF address.
9176
9177         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9178         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9179         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9180         comment typos.
9181         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9182
9183 2005-07-26  Richard Guenther  <rguenther@suse.de>
9184
9185         PR tree-optimization/22486
9186         * fold-const.c (fold_unary): Fold away useless component
9187         references of the form (T *)&T.x, if the address
9188         doesn't change.
9189
9190 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9191
9192         * dwarf2out.c (add_call_src_coords_attributes): New.
9193         (gen_inlined_subroutine_die): Call it.
9194         (maybe_emit_file, init_file_table): Add comments.
9195         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9196         maybe_emit_file.
9197         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9198         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9199         * tree.h (BLOCK_SOURCE_LOCATION): New.
9200         (struct tree_block): New field locus.
9201
9202 2005-07-26  Andreas Schwab  <schwab@suse.de>
9203
9204         PR rtl-optimization/23043
9205         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9206         when allocating a struct unoccr.
9207
9208 2005-07-25  Richard Henderson  <rth@redhat.com>
9209
9210         PR 22626
9211         * tree-complex.c (gate_no_optimization): True if errors.
9212         * Makefile.in (tree-complex.o): Update dependencies.
9213
9214 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9215
9216         * config/frv/predicates.md (integer_register_operand): Use
9217         GPR_AP_OR_PSEUDO_P.
9218
9219 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9220
9221         PR tree-opt/22484
9222         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9223         after fold.
9224         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9225
9226 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9227
9228         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9229         types when flag_unsafe_math_optimizations is true.
9230
9231 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9232
9233         * gcc.c (option_map): Add --sysroot.
9234         (process_command): Handle --sysroot.
9235         (display_help): Document it.
9236         * doc/cppopts.tex (-isysroot): Document.
9237         * doc/invoke.texi (--sysroot): Document.
9238         * doc/install.texi (--with-build-sysroot): Document.
9239
9240         * Makefile.in (inhibit_libc): New variable.
9241         (INHIBIT_LIBC_CFLAGS): Likewise.
9242         (LIBGCC2_CFLAGS): Include
9243         $(INHIBIT_LIBC_CFLAGS).
9244         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9245         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9246         ($(T)crtend.o): Likewise.
9247         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9248         ($(T)crtendS.o): Likewise.
9249         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9250         ($(T)crtendT.o): Likewise.
9251         (stmp-fixinc): Do not complain about missing headers if
9252         inhibit_libc.
9253         * configure.ac (inhibit_libc): Set it to true/false.
9254         (--with-build-sysroot): New option.  Use it to set
9255         SYSTEM_HEADER_DIR.
9256         * configure: Regenerated.
9257
9258 2005-07-25  Manfred Hollstein  <mh@suse.com>
9259
9260         * calls.c (store_one_arg): Fix unsigned comparison warning.
9261
9262 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9263
9264         PR other/22337
9265         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9266         (ggc_print_statistics): Initialize variable before use.
9267
9268 2005-07-25  Richard Guenther  <rguenther@suse.de>
9269
9270         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9271         calling with a PHI_NODE argument.
9272
9273         * tree-flow-inline.h (overlap_subvar): Protect against
9274         possible overflow.
9275
9276 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9277
9278         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9279         * configure: Regenerate.
9280
9281 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9282
9283         * expr.c (highest_pow2_factor): Make extern.
9284         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9285         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9286         record_array_differ_p, array_ptr_differ_p): Likewise.
9287         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9288         additional cases. Call the above functions.
9289         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9290         base_object_differ_p when there are two base objects. Otherwise, compare
9291         base address and offset. Call may_alias_p.
9292         (dump_data_reference): Use a correct field name.
9293         (analyze_array): Make static. Initialize new data-ref fields.
9294         (analyze_indirect_ref): New function.
9295         (init_data_ref): Initialize new data-ref fields.
9296         (strip_conversion): Moved from tree-vect-analyze.c.
9297         (analyze_offset_expr, get_ptr_offset, address_analysis,
9298         object_analysis): Likewise.
9299         (analyze_offset): New function.
9300         (create_data_ref): Likewise.
9301         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9302         dimensions for ARRAY_REFs only.
9303         (build_classic_dist_vector): Make static.
9304         (access_functions_are_affine_or_constant_p): Call macro to get the
9305         address of access functions.
9306         (compute_all_dependences): Add new parameter
9307         compute_self_and_read_read_dependences. Compute self and read-read
9308         dependences if it is true.
9309         (find_data_references_in_loop): Call create_data_ref. Initialize new
9310         data-ref fields.
9311         (compute_data_dependences_for_loop): Add new parameter
9312         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9313         compute nb_loops. Call compute_all_dependences,
9314         build_classic_dist_vector and build_classic_dir_vector with correct
9315         parameters.
9316         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9317         with correct parameters. Compare dimensions for ARRAY_REFs only.
9318         (free_data_refs): Call macro to free access functions.
9319         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9320         fields from stmt_vinfo.
9321         (struct base_object_info): New structure.
9322         (struct data_reference): Move fields to base_object_info. Add fields
9323         first_location and object_info for above structures. Move fields from
9324         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9325         aligned_to.  Add macros to access the new fields.
9326         Update functions declarations.
9327         * tree-flow.h (is_aliased_with): Declare.
9328         * tree-loop-linear.c (linear_transform_loops): Call
9329         compute_data_dependences_for_loop with correct parameters.
9330         * tree-ssa-alias.c (is_aliased_with): New function.
9331         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9332         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9333         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9334         vect_base_addr_differ_p, compute_subscript_distance and
9335         build_classic_dist_vector. Add printings. Check absolute value of
9336         distance.
9337         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9338         data-refs.
9339         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9340         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9341         to bytes. Add printing.
9342         (vect_compute_data_refs_alignment): Go through loads and stores in one
9343         loop.
9344         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9345         vect_analyze_data_ref_access): Likewise.
9346         (vect_analyze_pointer_ref_access): Remove.
9347         (vect_address_analysis, vect_object_analysis): Likewise.
9348         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9349         and analyze data-refs in the loop.
9350         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9351         fields of data-ref instead of stmt. Add init to the offset from the
9352         base.
9353         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9354         (vect_update_init_of_dr): Likewise.
9355         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9356         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9357         removed fields.
9358         (new_loop_vec_info): Initialize new fields.
9359         (destroy_loop_vec_info): Free new fields.
9360         (vect_strip_conversion): Remove.
9361         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9362         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9363         datarefs. Add new field ddrs.
9364         Add macros for the new fields access.
9365         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9366         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9367         Remove their macros.
9368         * tree.h (highest_pow2_factor): Declare.
9369
9370 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9371
9372         * calls.c (store_one_arg): Check for sibling call MEM arguments
9373         from already clobbered incoming argument area.
9374
9375 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9376
9377         * c-common.c (check_missing_format_attribute): New.
9378         * c-common.h (check_missing_format_attribute): Likewise.
9379         * c-typeck.c (convert_for_assignment): Use it.
9380
9381 2005-07-24  Andreas Schwab  <schwab@suse.de>
9382
9383         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9384         register use a word move.  Correct operand of ext.w in 68000 code.
9385
9386 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9387
9388         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9389         variables as declarations, rather than definitions.
9390
9391 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9392
9393         PR tree-optimization/22526
9394         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9395         of the zero node.
9396
9397 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9398
9399         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9400         that C99 reserve for future use. Use it to define clog10,
9401         clog10f and clog10l.
9402
9403 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9404
9405         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9406         * configure.ac: Check for -Wmissing-format-attribute.
9407
9408         * configure: Regenerate.
9409
9410 2005-07-23  Richard Henderson  <rth@redhat.com>
9411
9412         PR tree-optimization/22623
9413         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9414
9415 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9416
9417         PR target/22577
9418         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9419
9420 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9421
9422         * Makefile.in (C_TREE_H): Update dependencies.
9423         * c-tree.h: Include toplev.h.
9424         * diagnostic.h (diagnostic_set_info): Add format attribute.
9425         * rtl-error.c (diagnostic_for_asm): Likewise.
9426
9427 2005-07-23  Chao-ying Fu  <fu@mips.com>
9428
9429         * config/mips/mips-dsp.md: New file.
9430         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9431         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9432         functions.
9433         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9434         MIPS_BUILTIN_BPOSGE32.
9435         (mips_expand_builtin_direct): Add one parameter to indicate that
9436         builtin functions need to return a value.
9437         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9438         functions.
9439         (mips_regno_to_class): Add classes for 12 new DSP registers.
9440         (mips_subword): Change to check four HI registers.
9441         (mips_output_move): Output move to and from 6 new DSP accumulators.
9442         (override_options): Make sure -mdsp and -mips16 are not used together.
9443         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9444         for machine modes.
9445         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9446         when !TARGET_DSP.
9447         (print_operand): Add 'q' for printing DSP accumulators.
9448         (mips_cannot_change_mode_class): Check ACC_REGS.
9449         (mips_secondary_reload_class): Check ACC_REGS.
9450         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9451         (mips_register_move_cost): Check ACC_REGS.
9452         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9453         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9454         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9455         (dsp_bdesc): New array.
9456         (bdesc_arrays): Add DSP builtin function table.
9457         (mips_prepare_builtin_arg): Check predicate again after
9458         copy_to_mode_reg.
9459         (mips_expand_builtin): Add one more parameter to
9460         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9461         MIPS_BUILTIN_BPOSGE32.
9462         (mips_init_builtins): Initialize new function types.
9463         (mips_expand_builtin_direct): Check if builtin functions need to
9464         return a value and pass operands properly.
9465         (mips_expand_builtin_bposge): New function.
9466         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9467         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9468         (FIRST_PSEUDO_REGISTER): Increase to 188.
9469         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9470         Update for 12 new DSP registers.
9471         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9472         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9473         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9474         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9475         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9476         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9477         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9478         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9479         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9480         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9481         (REGISTER_NAMES): Add names for 12 new DSP registers.
9482         * config/mips/mips.md: Include mips-dsp.md.
9483         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9484         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9485         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9486         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9487         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9488         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9489         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9490         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9491         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9492         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9493         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9494         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9495         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9496         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9497         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9498         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9499         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9500         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9501         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9502         (UNSPEC_RDDSP): New constants.
9503         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9504         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9505         A<-d alternative.
9506         * config/mips/mips.opt (-mdsp): New option.
9507         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9508         (reg_imm10_operand): New predicates.
9509         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9510         * doc/invoke.texi (-mdsp): Document new option.
9511
9512 2005-07-22  DJ Delorie  <dj@redhat.com>
9513
9514         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9515         to warning calls.
9516         * tree-inline.c (inlinable_function_p): Likewise.
9517
9518 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9519
9520         PR debug/21828
9521         * toplev.c (check_global_declarations): Do not mark undefined
9522         variables as DECL_IGNORED_P.
9523         * varasm.c (first_global_object_name): GTY it.
9524         (weak_global_object_name): Likewise.
9525         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9526         a string to go into {weak,first}_global_object_name.
9527
9528 2005-07-22  DJ Delorie  <dj@redhat.com>
9529
9530         * c-format.c (check_function_format): Change warning control
9531         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9532
9533 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9534
9535         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9536         &PTR->FLD a dereference of PTR.
9537         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9538         a potential dereference of PTR.
9539
9540 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9541
9542         PR rtl-optimization/20370
9543         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9544         call allocate_reg_info if necessary.
9545
9546         PR rtl-optimization/21848
9547         * calls.c (emit_library_call_value_1): For const functions, add
9548         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9549
9550         PR rtl-optimization/22445
9551         * cselib.c (target.h): Include.
9552         (rtx_equal_for_cselib_p): Allow commutative matches.
9553         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9554         Remove MODE parameter.  Changed all callers.
9555
9556         PR rtl-optimization/22258
9557         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9558         New functions.
9559         (try_combine): Use likely_spilled_retval_p.
9560
9561 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9562
9563         * config.gcc: Add crx-elf support.
9564
9565         * doc/contrib.texi: Mention crx.
9566         * doc/extend.texi: Document crx extensions.
9567         * doc/install.texi: Document crx install.
9568         * doc/invoke.texi: Document crx options.
9569         * doc/md.texi: Document crx constraints.
9570
9571         * config/crx/crx-protos.h: New file.
9572         * config/crx/crx.c: New file.
9573         * config/crx/crx.h: New file.
9574         * config/crx/crx.md: New file.
9575         * config/crx/crx.opt: New file.
9576         * config/crx/t-crx: New file.
9577
9578 2005-07-22  Manfred Hollstein  <mh@suse.com>
9579
9580         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9581         warnings.
9582         (int_add_graph_edge): Likewise.
9583         (collapse_nodes): Likewise.
9584         (process_unification_queue): Likewise.
9585
9586 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9587             Laurent GUERBY  <laurent@guerby.net>
9588
9589         PR tree-optimization/22336
9590         * function.c (record_block_change): Check for
9591         cfun->ib_boundaries_block.
9592
9593 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9594
9595         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9596         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9597
9598 2005-07-21  DJ Delorie  <dj@redhat.com>
9599
9600         * toplev.c (warn_deprecated_use): Add warning control to warning
9601         call.
9602         * c-typeck.c (parser_build_binary_op): Likewise.
9603         (c_finish_if_stmt): Likewise.
9604         * c-common.c (check_function_sentinel): Likewise.
9605         (check_nonnull_arg): Likewise.
9606
9607 2005-07-21  Richard Henderson  <rth@redhat.com>
9608
9609         PR tree-opt/22504
9610         * tree-complex.c (complex_ssa_name_components): New.
9611         (cvc_lookup): Allow entry not found.
9612         (create_components): Remove.
9613         (create_one_component_var, get_component_var): New.
9614         (get_component_ssa_name, set_component_ssa_name): New.
9615         (extract_component): Use get_component_ssa_name.
9616         (update_complex_components): Use set_component_ssa_name.
9617         (update_complex_components_on_edge): Likewise.
9618         (update_phi_components): Create new PHI nodes directly, instead
9619         of adding insns to edges.
9620         (tree_lower_complex): Allocate and free complex_variable_components
9621         and complex_ssa_name_components here.
9622
9623 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9624
9625         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9626         revert to returning false.
9627
9628 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9629
9630         PR target/21149
9631         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9632
9633 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9634
9635         PR target/22576
9636         * config/i386/i386.md (cmpxf): Change operand constraints
9637         to "nonmemory_operand".
9638
9639 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9640
9641         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9642
9643 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9644
9645         PR middle-end/21180
9646         * fold-const.c (fold_build1): Add checksum for the operands.
9647         (fold_build2): Likewise.
9648         (fold_build3): Likewise.
9649
9650 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9651
9652         PR middle-end/19055
9653         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9654
9655 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9656
9657         * common.opt (-fforward-propagate): Committed by mistake,
9658         removed.
9659
9660 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9661
9662         * reg-stack.c: Fix comment typo(s).
9663         * tree-ssa-operands.c: Likewise.
9664         * tree-vectorizer: Likewise.
9665
9666 2005-07-21  Nick Clifton  <nickc@redhat.com>
9667
9668         * config/sh/symbian.c: Replace C++ style line comments with C
9669         style line comments.
9670         (symbian_add_attribute): Do not use a ? operator on the LHS of
9671         an assignment.
9672         (sh_symbian_handle_dll_attribute): Change the type of the
9673         method vector to "VEC(tree,gc)*" and use vector accessor
9674         macros to walk over the elements.
9675         (symbian_export_vtable_and_rtti_p): Likewise.
9676         (symbian_class_needs_attribute_p): Likewise.
9677
9678 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9679
9680         PR target/22085
9681         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9682         initialize targetm.resolve_overloaded_builtin here.
9683         (altivec_expand_overloaded_builtin): Make it non-static.
9684         * config/rs6000/rs6000-protos.h
9685         (altivec_expand_overloaded_builtin): New prototype.
9686         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9687         targetm.resolve_overloaded_builtin here.
9688         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9689
9690 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9691             Zdenek Dvorak  <dvorakz@suse.cz>
9692
9693         PR tree-optimization/19210
9694         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9695         New.
9696         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9697         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9698         rely on unproven assumptions.
9699         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9700         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9701         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9702         to number_of_iterations_exit.
9703         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9704         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9705         * tree-ssa-loop-niter.c (find_loop_niter,
9706         estimate_numbers_of_iterations_loop): Likewise.
9707         (number_of_iterations_exit): Honor the new options.
9708         * doc/invoke.texi (Wunsafe-loop-optimizations,
9709         funsafe-loop-optimizations): Document them.
9710
9711 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9712
9713         PR rtl-optimization/22167
9714         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9715
9716 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9717
9718         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9719         __do_global_dtors_aux longcall.
9720
9721 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9722
9723         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9724         (old_special_pred_table): Don't reference
9725         SPECIAL_MODE_PREDICATES.
9726         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9727         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9728         * config/sh/predicates.h: Don't mention
9729         SPECIAL_MODE_PREDICATES.
9730         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9731         Remove.
9732
9733 2005-07-20  DJ Delorie  <dj@redhat.com>
9734
9735         * config.gcc: Add m32c-elf support.
9736
9737         * doc/contrib.texi: Mention m32c.
9738         * doc/extend.texi: Document m32c extensions.
9739         * doc/install.texi: Mention m32c.
9740         * doc/invoke.texi: Document m32c options.
9741         * doc/md.texi: Document m32c constraints.
9742
9743         * config/m32c/addsub.md: New file.
9744         * config/m32c/bitops.md: New file.
9745         * config/m32c/cond.md: New file.
9746         * config/m32c/jump.md: New file.
9747         * config/m32c/m32c-lib1.S: New file.
9748         * config/m32c/m32c-lib2.c: New file.
9749         * config/m32c/m32c-modes.def: New file.
9750         * config/m32c/m32c-pragma.c: New file.
9751         * config/m32c/m32c-protos.h: New file.
9752         * config/m32c/m32c.abi: New file.
9753         * config/m32c/m32c.c: New file.
9754         * config/m32c/m32c.h: New file.
9755         * config/m32c/m32c.md: New file.
9756         * config/m32c/m32c.opt: New file.
9757         * config/m32c/minmax.md: New file.
9758         * config/m32c/mov.md: New file.
9759         * config/m32c/muldiv.md: New file.
9760         * config/m32c/predicates.md: New file.
9761         * config/m32c/prologue.md: New file.
9762         * config/m32c/shift.md: New file.
9763         * config/m32c/t-m32c: New file.
9764
9765 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9766
9767         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9768         (stack_protect_set, stack_protect_test): New expanders.
9769         (stack_protect_set_si, stack_protect_set_si_media,
9770         stack_protect_set_di_media, stack_protect_test_si,
9771         stack_protect_test_si_media, stack_protect_test_di_media):
9772         New insns.
9773
9774 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9775
9776         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9777
9778 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9779
9780         * tree.h (tree_expr_nonzero_p): Export.
9781         * fold-const.c (tree_expr_nonzero_p): Likewise.
9782         Return true for CALL_EXPRs that are alloca calls.
9783         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9784         against zero.
9785         * tree-flow.h (expr_computes_nonzero): Remove.
9786         * tree-vrp.c (expr_computes_nonzero): Remove.
9787         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9788         (extract_range_from_unary_expr): Likewise.
9789         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9790         tree_expr_nonzero_p.
9791
9792 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9793
9794         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9795         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9796         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9797         All callers changed.
9798         (frame_related_constant_load): New arg "related" which controls
9799         setting of RTX_FRAME_RELATED_P.  All callers changed.
9800         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9801         (bfin_expand_prologue): Add stack limit checking.
9802         * config/bfin/bfin.md (trapifcc): New pattern.
9803
9804         * config/bfin/bfin.c: Include "langhooks.h".
9805         (def_builtin): Go through lang_hooks to call builtin_function.
9806
9807         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9808         * config/bfin/predicates.md (symbol_ref_operand): New.
9809         (call_insn_operand): Delete.  All callers changed to use
9810         register_no_elim_operand.
9811         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9812         call_cookie field.
9813         (function_arg): Use it to generate the call's operand 2.
9814         (bfin_longcall_p): New function.
9815         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9816         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9817         determine if the address needs to be in a REG.
9818         (bfin_handle_longcall_attribute): New function.
9819         (bfin_attribute_table): Add "longcall" and "shortcall".
9820         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9821         (CUMULATIVE_ARGS): New member call_cookie.
9822         (PREDICATE_CODES): Add symbol_ref_operand.
9823         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9824         extra USE to the pattern.
9825         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9826         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9827         sibcall_value_insn; now the new patterns handle direct calls and the
9828         old ones indirect calls.
9829         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9830
9831 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9832
9833         * doc/trouble.texi: Update section on handling of empty loops.
9834
9835 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9836
9837         * config.gcc: Remove support for sparc-*-openbsd*,
9838         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9839         ns32k-*-netbsd*.
9840         * config.host: Remove support for i860-*-sysv4* as a host.
9841         * config/i860/*, config/ip2k/*, config/ns32k/*,
9842         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9843         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9844         mention obsolete ports.
9845
9846 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9847
9848         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9849         soft frame pointer.
9850         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9851         of frame_pointer_rtx.
9852         (sh_expand_epilogue): Likewise.
9853         (sh_set_return_address): Likewise.
9854         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9855         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9856         offsets from FRAME_POINTER_REGNUM.
9857         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9858         (sh_register_names): Add initializer for sfp.
9859         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9860         (VALID_REGISTER_P): Likewise.
9861         (FIRST_PSEUDO_REGISTER): Update.
9862         (DWARF_FRAME_REGISTERS): Define.
9863         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9864         (HARD_FRAME_POINTER_REGNUM): Define.
9865         (FRAME_POINTER_REGNUM): Redefine.
9866         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9867         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9868         from FRAME_POINTER_REGNUM.
9869         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9870         FRAME_POINTER_REGNUM.
9871         (REG_CLASS_CONTENTS): Add sfp.
9872         (REG_ALLOC_ORDER): Likewise.
9873         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9874         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9875         of frame_pointer_rtx.
9876         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9877
9878 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9879
9880         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9881         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9882         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9883         of an ABS_EXPR.
9884         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9885         ABS_EXPR<x>.
9886
9887 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9888
9889         Make CONSTRUCTOR use VEC to store initializers.
9890         * c-common.c (complete_array_type): Update to cope with VEC in
9891         CONSTRUCTOR_ELTS.
9892         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9893         (pp_c_constructor_elts): New function.
9894         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9895         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9896         struct constructor_stack, struct initializer_stack,
9897         constructor_elements, push_init_level, pop_init_level,
9898         add_pending_init, find_init_member, output_init_element): Update to
9899         cope with VEC in CONSTRUCTOR_ELTS.
9900         * coverage.c (build_fn_info_value, build_ctr_info_value,
9901         build_gcov_info): Likewise.
9902         * expr.c (categorize_ctor_elements_1, store_constructor,
9903         expand_expr_real_1): Likewise.
9904         * fold-const.c (fold_ternary): Likewise.
9905         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9906         gimplify_init_constructor, gimplify_expr): Likewise.
9907         * tree-dump.c (dequeue_and_dump): Likewise.
9908         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9909         node.
9910         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9911         CONSTRUCTOR_ELTS.
9912         * tree-sra.c (generate_element_init_1): Likewise.
9913         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9914         * tree-ssa-operands.c (get_expr_operands): Likewise.
9915         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9916         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9917         (get_initial_def_for_reduction): Likewise.
9918         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9919         value handle in annotations.
9920         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9921         tree_node_structure): Add support for constr_kind.
9922         (build_vector_from_ctor, build_constructor_single,
9923         build_constructor_from_list): New functions.
9924         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9925         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9926         Update to cope with VEC in CONSTRUCTOR_ELTS.
9927         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9928         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9929         CONSTRUCTOR_APPEND_ELT): New macros.
9930         (struct constructor_elt, struct tree_constructor): New data types.
9931         (union tree_node): Add tree_constructor field.
9932         * treestruct.def: Define TS_CONSTRUCTOR.
9933         * varasm.c (const_hash_1, compare_constant, copy_constant,
9934         compute_reloc_for_constant, output_addressed_constants,
9935         initializer_constant_valid_p, output_constant,
9936         array_size_for_constructor, output_constructor): Update to cope with
9937         VEC in CONSTRUCTOR_ELTS.
9938         * vec.h (VEC_empty, VEC_copy): New macros.
9939
9940 2005-07-19  Devang Patel  <dpatel@apple.com>
9941
9942         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9943
9944 2005-07-19  Richard Henderson  <rth@redhat.com>
9945
9946         PR tree-opt/22278
9947         * gimplify.c (gimplify_expr): Use main variant type for the temp
9948         destination for a discarded volatile read.
9949         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9950         casts between non-void types that change volatility.
9951
9952 2005-07-15  DJ Delorie  <dj@redhat.com>
9953
9954         * toplev.h: Add comment about the first parameter for warning().
9955         * errors.h: Likewise.
9956
9957         * c.opt (Wpragmas): New.
9958         * doc/invoke.texi: Document it.
9959
9960         * function.c (do_warn_unused_parameter): Add warning control to
9961         warning call.
9962         * c-decl.c (warn_if_shadowing): Likewise.
9963         * c-lex.c (cb_def_pragma): Likewise.
9964         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9965         (pop_alignment): Likewise.
9966         (handle_pragma_pack): Likewise.
9967         (apply_pragma_weak): Likewise.
9968         (handle_pragma_weak): Likewise.
9969         (handle_pragma_redefine_extname): Likewise.
9970         (add_to_renaming_pragma_list): Likewise.
9971         (handle_pragma_extern_prefix): Likewise.
9972         (maybe_apply_renaming_pragma): Likewise.
9973         (handle_pragma_visibility): Likewise.
9974
9975         * config/c4x/c4x-c.c (BAD): Likewise.
9976         (c4x_parse_pragma): Likewise.
9977         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9978         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9979         (rs6000_pragma_longcall): Likewise.
9980         * config/v850/v850-c.c (pop_data_area): Likewise.
9981         (ghs_pragma_section): Likewise.
9982         (ghs_pragma_section): Likewise.
9983         (ghs_pragma_interrupt): Likewise.
9984         (ghs_pragma_starttda): Likewise.
9985         (ghs_pragma_startsda): Likewise.
9986         (ghs_pragma_startzda): Likewise.
9987         (ghs_pragma_endtda): Likewise.
9988         (ghs_pragma_endsda): Likewise.
9989         (ghs_pragma_endzda): Likewise.
9990
9991 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9992             Kenneth Zadeck <zadeck@naturalbridge.com>
9993
9994         * Makefile.in: Removed tree-promote-statics.c
9995         * tree-promote-statics.c: Removed.
9996         * common.opt: Removed flag-promote-statics.
9997         * opts.c: Ditto.
9998         * passes.c: Removed tree-promote-statics pass.
9999         * tree-pass.h: Ditto.
10000         * timevar.def: Removed TV_PROMOTE_STATICS.
10001
10002
10003 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10004
10005         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10006         and *-*-freebsd9.
10007         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10008
10009 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10010
10011         PR c/22476
10012         * c-common.c (check_function_arguments): Call
10013         'check_function_format' if either -Wformat or
10014         -Wmissing-format-attribute are specified.
10015         * c-format.c (check_function_format): Check -Wformat before
10016         calling 'check_format_info'.
10017         * c-opts.c (c_common_post_options): Don't warn for
10018         -Wmissing-format-attribute without -Wformat.
10019         * c-typeck.c (convert_for_assignment): Detect additional cases for
10020         -Wmissing-format-attribute.
10021         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10022         behavior.
10023
10024 2005-07-19  Richard Guenther  <rguenther@suse.de>
10025
10026         * config/i386/i386.md (lrint<mode>2): Use temporary
10027         instead of clobbering non-existent memory.
10028
10029 2005-07-19  Nick Clifton  <nickc@redhat.com>
10030
10031         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10032         statement to avoid displaying ASCII control characters.
10033
10034 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10035
10036         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10037         * cfganal.c (find_edge_index): Ditto.
10038         * combine.c (combine_instructions): Ditto.
10039         * ddg.c (create_scc): Ditto.
10040         (find_successors): Ditto.
10041         (find_predecessors): Ditto.
10042         (find_nodes_on_paths): Ditto.
10043         (longest_simple_path): Ditto.
10044         * flow.c (update_life_info): Ditto.
10045         (count_or_remove_death_notes): Ditto.
10046         (clear_log_links): Ditto.
10047         * modulo-sched.c (generate_reg_moves): Ditto.
10048         (find_max_asap): Ditto.
10049         (find_max_hv_min_mob): Ditto.
10050         (find_max_dv_min_mob): Ditto.
10051         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10052         * sched-rgn.c (extract_edgelst): Ditto.
10053         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10054         (dump_update_ssa): Ditto.
10055         (ssa_names_to_replace) Ditto.
10056         (switch_virtuals_to_full_rewrite): Ditto.
10057         (update_ssa): Ditto.
10058         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10059
10060 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10061
10062         Fix PR tree-optimization/22483
10063
10064         * tree-complex.c (create_components): Use
10065         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10066         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10067         * tree-flow.h (safe_referenced_var_iterator): New structure.
10068         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10069         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10070         safe_referenced_var iterator.
10071         (add_type_alias): Ditto.
10072
10073 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10074
10075         * loop-init.c (rest_of_handle_loop2): Remove.
10076         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10077         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10078         (pass_rtl_loop_init, pass_rtl_loop_done,
10079         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10080         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10081         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10082         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10083         pass_tree_loop_done, and pass_tree_unswitch.
10084         (gate_loop): Rename to gate_tree_loop.
10085         * passes.c (init_optimization_passes): Update for renamed tree
10086         loop passes.  Add the new loop2 passes as subpasses of loop2.
10087         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10088         Update for the renamed tree loop passes.
10089
10090 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10091
10092         PR middle-end/22057
10093         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10094         blocks when optimizing.
10095
10096 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10097
10098         * common.opt (frename-registers): Initialize to 2.
10099         (fweb): Ditto.
10100         (fgcse-after-reload): Ditto.
10101         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10102         (process_options): Only change flag_web, flag_rename_registers,
10103         and flag_rerun_cse_after_loop if not explicitly set by user.
10104
10105 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10106
10107         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10108         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10109         in 64-bit mode the same as DImode in 32-bit mode.
10110         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10111         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10112         mode. Add new mode parameter.
10113         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10114         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10115         x86_64_shift_adj): New expanders.
10116         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10117         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10118         insns.
10119         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10120         DImode shift splitters.
10121         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10122         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10123         mode parameter.
10124
10125 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10126
10127         * i386.md (movdi_extzv_1): New.
10128         (zero_extendhidi2): Combine alternatives and never force use of
10129         REX64 prefix.
10130         (zero_extendqidi2): Likewise. Don't restrict input selection.
10131
10132 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10133
10134         Fix PR tree-optimization/22531
10135         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10136          moment.
10137
10138 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10139
10140         * tree-promote-statics.c (pass_promote_statics): Change dump file
10141          name.
10142
10143 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10144
10145         * tree-optimize.c (init_tree_optimization_passes): Add
10146         pass_eliminate_useless_stores pass.
10147         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10148         * tree-ssa-pre.c (is_copy_stmt): New function.
10149         (follow_copies_till_vuse): Ditto.
10150         (do_eustores): Ditto.
10151         (gate_eustores): Ditto.
10152
10153 2005-07-16  Richard Henderson  <rth@redhat.com>
10154
10155         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10156
10157 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10158            Kenneth Zadeck <zadeck@naturalbridge.com>
10159
10160         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10161         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10162         ipa-type-escape.h, tree-promote-statics.c
10163         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10164         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10165         tree-promote-statics.c: new files.
10166         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10167         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10168         int nonlocal_set_p, mark_constant_function): Deleted.
10169         (rest_of_handle_cfg): Removed call to mark_constant_function.
10170         (nonoverlapping_component_refs_p): Added calls to support
10171         type based aliasing.
10172         * tree-ssa-alias.c (may_alias_p,
10173         compute_flow_insensitive_aliasing): Ditto.
10174         * calls.c (flags_from_decl_or_type): Removed reference to
10175         cgraph_rtl_info.
10176         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10177         too many arguments.  This is necessary for Spec 2000.
10178         * cgraph.h (const_function, pure_function): Removed.
10179         * common.opt: Added "fipa-pure-const", "fipa-reference",
10180         "fipa-type-escape", and "ftree-promote-static".
10181         * opts.c: Ditto.
10182         * passes.c: Added ipa and tree-promote-statics passes.
10183         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10184         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10185         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10186         * tree-flow.h: Added exposed sra calls and addition of
10187         reference_vars_info field for FUNCTION_DECLS.
10188         * tree-pass.h: Added passes.
10189         * tree-sra.c: (sra_init_cache): New function.
10190         (sra_insert_before, sra_insert_after) Made public.
10191         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10192         and made public.
10193         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10194         aliasing. (may_alias_p): Added code to use type escape analysis to
10195         improve alias sets.
10196         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10197         code to prune clobbers of static variables based on information
10198         produced in ipa-reference pass.  Changed call clobbering so that
10199         statics are not marked as clobbered if the call does not clobber
10200         them.
10201
10202 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10203
10204         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10205         too.
10206
10207 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10208
10209         * doc/install.texi (*-*-solaris2*): Document recommended version
10210         of GNU binutils and mention GNU linker problem on Solaris 10.
10211
10212 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10213
10214         PR c/22421
10215         * c-decl.c (c_build_bitfield_integer_type): New function.
10216         (finish_struct): Call it.
10217         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10218
10219 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10220
10221         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10222         before returning.
10223
10224 2005-07-16  Jan Hubicka  <jh@suse.cz>
10225
10226         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10227         (scale_bbs_frequencies_int): Watch roundoff errors.
10228         * predict.c (return_prediction): Initialize return_stmt.
10229
10230 2005-07-16  Jan Hubicka  <jh@suse.cz>
10231
10232         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10233         after RTL profiling.
10234
10235 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10236
10237         PR middle-end/22398
10238         * fold-const.c (build_range_check): Convert high/low to etype
10239         if we are only comparing against exp.
10240
10241 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10242
10243         Fix PR tree-optimization/22376
10244         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10245         special var here.
10246         (need_to_solve): New function.
10247         (compute_points_to_sets): Use it.
10248
10249 2005-07-15  Jan Hubicka  <jh@suse.cz>
10250
10251         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10252         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10253
10254 2005-07-15  Richard Guenther  <rguenther@suse.de>
10255
10256         * c-common.c (handle_flatten_attribute): New function.
10257         Add flatten function attribute.
10258         * doc/extend.texi: Document flatten function attribute.
10259         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10260         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10261         New functions.
10262         (cgraph_decide_inlining): Handle functions with flatten
10263         attribute.
10264
10265 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10266
10267         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10268         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10269         UNSPEC_XCHG, UNSPEC_AND): New.
10270         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10271         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10272         * config/rs6000/sync.md (FETCHOP): New code macro.
10273         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10274         New code attrs.
10275         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10276         (sync_compare_and_swap<mode>): Same.
10277         (sync_lock_test_and_set<mode>): Same.
10278         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10279         for QImode and HImode, and not PPC405.
10280         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10281         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10282         (sync_<fetchop>{si,di}_internal): New.
10283         (sync_nand{si,di}_internal): New.
10284         (sync_old_<fetchop>{si,di}_internal): New.
10285         (sync_old_nand{si,di}_internal): New
10286         (sync_new_<fetchop>{si,di}_internal): New.
10287         (sync_new_nand{si,di}_internal): New.
10288         (atomic_and{si,di}): New.
10289         (sync_new_nand{si,di}_internal): New.
10290         (atomic_and{si,di}): New.
10291         (sync_add<mode>_internal): Delete.
10292         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10293         (sync_sub<mode>_internal): Delte.
10294         (sync_subshort_internal): New.
10295         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10296         (sync_anddi_internal): Delete.
10297         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10298         (sync_booldi_internal): Delete.
10299         (sync_boolc<mode>_internal): Delete.
10300         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10301         (sync_boolc<mode>_internal2): Delete.
10302         (sync_boolcc<mode>_internal): Delete.
10303         (isync, lwsync): Use unspec instead of unspec_volatile.
10304         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10305         Revert UNSPEC_VOLATILE.
10306         (rs6000_split_atomic_op): New.
10307         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10308
10309 2005-07-14  Eric Christopher  <echristo@redhat.com>
10310
10311         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10312         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10313
10314 2005-07-14  Eric Christopher  <echristo@redhat.com>
10315
10316         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10317
10318 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10319
10320         PR tree-optimization/22230
10321         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10322         the computation of the four cross productions for "range op range".
10323
10324 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10325             Ulrich Weigand  <uweigand@de.ibm.com>
10326
10327         PR target/20126
10328         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10329         in some insn.
10330
10331 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10332
10333         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10334
10335 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10336
10337         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10338
10339 2005-07-14  Richard Guenther  <rguenther@suse.de>
10340
10341         PR middle-end/22347
10342         * config/i386/i386-protos.h (ix86_function_value): Change
10343         prototype to match new target hook.
10344         * config/i386/i386.c (ix86_value_regno): Change prototype
10345         to take extra type argument.
10346         (TARGET_FUNCTION_VALUE): Define.
10347         (ix86_function_ok_for_sibcall): Pass extra argument to
10348         ix86_value_regno, check return slot rtx for exact match.
10349         (ix86_function_value): Take extra parameter.  Dispatch to
10350         ix86_value_regno with fndecl/fntype as provided.
10351         (ix86_value_regno): Handle extra type argument.
10352         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10353
10354         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10355         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10356         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10357         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10358         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10359
10360 2005-07-14  Richard Guenther  <rguenther@suse.de>
10361
10362         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10363         * calls.c (expand_call): Pass fntype to hard_function_value.
10364         (emit_library_call_value_1): Likewise.
10365         * explow.c: Include target.h.
10366         (hard_function_value): Take extra argument, the fntype.
10367         Use new target hook for function_value.
10368         * expr.h (hard_function_value): Change prototype.
10369         * function.c (aggregate_value_p): Pass 0 as fntype to
10370         hard_function_value.
10371         (assign_parms): Use new target hook for function_value.
10372         Pass 0 as fntype to hard_function_value.
10373         (expand_function_end): Likewise.
10374         * reg-stack.c: Include target.h.
10375         (stack_result): Use new target hook for function_value.
10376         * target-def.h: New target hook function_value.
10377         * target.h: Likewise.
10378         * targhooks.c (default_function_value): New function.
10379         * targhooks.h (default_function_value): Declare.
10380
10381 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10382
10383         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10384
10385 2005-07-14  Jan Hubicka  <jh@suse.cz>
10386
10387         * tree-dfa.c (dump_variable): Use default_def function.
10388         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10389         * tree-ssa.c (verify_use): Likewise.
10390         * tree-ssanames.c (release_ssa_name): Likewise.
10391         * tree-tailcall.c (eliminate_tail_call): Likewise.
10392         (tree_optimize_tail_calls_1): Likewise.
10393         * tree-vrp.c (get_value_range): Likewise.
10394
10395 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10396
10397         * gcc.c (main): Compare language[0] with '*' when iterating over
10398         the infiles.
10399
10400 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10401
10402         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10403         "s390_emit_compare".  Add handling of CCZ1mode.
10404         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10405         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10406         checking.
10407         (s390_branch_condition_mask): Add CCZ1mode handling.
10408         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10409         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10410         Use CCZ1mode instead of CCZmode.
10411         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10412
10413 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10414
10415         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10416         pattern.
10417         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10418
10419 2005-07-13  Eric Christopher  <echristo@redhat.com>
10420
10421         * config/mips/mips.c (mips_canonicalize_comparison): New.
10422         (mips_emit_int_relational): Use.
10423
10424 2005-07-13  Eric Christopher  <echristo@redhat.com>
10425
10426         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10427         static extra parts.
10428         * config/s390/s390.md: Include tpf.md. Move tpf specific
10429         patterns...
10430         * config/s390/tpf.md: To here.
10431         * config/s390/s390.opt: Move tpf specific options...
10432         * config/s390/tpf.opt: to here. Add mmain option.
10433         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10434         * config/s390/tpf.h: Rewrite.
10435
10436 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10437
10438         * doc/tm.texi: Remove @xref{Cross-profiling}.
10439
10440 2005-07-13  Jeff Law  <law@redhat.com>
10441
10442         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10443         expressions, test their _DECL operands for pointer equality rather
10444         than using operand_equal_p.
10445
10446 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10447
10448         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10449         (TARGET_POSIX_IO): This.
10450         * config/darwin.h: Likewise.
10451         * config/freebsd.h: Likewise.
10452         * config/linux.h: Likewise.
10453         * config/lynx.h: Likewise.
10454         * config/netbsd.h: Likewise.
10455         * config/rs6000/linux64.h: Likewise.
10456         * config/rs6000/linux.h: Likewise.
10457         * config/s390/tpf.h: Likewise.
10458         * config/sh/embed-elf.h: Likewise.
10459         * config/sparc/linux64.h: Likewise.
10460         * config/sparc/linux.h: Likewise.
10461         * config/svr4.h: Likewise.
10462         * gcov-io.h: Likewise.
10463
10464         * doc/tm.texi: Updated.
10465
10466         * libgcov.c (create_file_directory): Defined only if
10467         TARGET_POSIX_IO is defined.
10468         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10469         is defined.
10470
10471 2005-07-13  Jan Hubicka  <jh@suse.cz>
10472
10473         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10474
10475 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10476
10477         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10478         structure as argument.
10479
10480 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10481
10482         PR tree-optimization/21921
10483         * tree-iterator.c (tsi_link_before): Support the case when
10484         tsi_end_p (tsi) == true.
10485
10486 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10487
10488         PR tree-optimization/22442
10489         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10490         correctly.
10491
10492 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10493
10494         PR rtl-optimization/20376
10495         * toplev.c (process_options): Enable -fweb and -frename-registers when
10496         unrolling.
10497         * doc/invoke.texi: Update the information about when -fweb and
10498         -frename-registers are enabled.
10499
10500 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10501
10502         PR tree-opt/21840
10503         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10504         if *rhs_p is not a SSA_NAME.
10505
10506 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10507
10508         Fix PR tree-optimization/22422
10509         * tree-ssa-structalias.c (struct variable_info): Add flag for
10510         special vars.
10511         (get_varinfo): Now a static function.
10512         (new_varinfo): init has_union and is_special_var to false.
10513         (solution_set_add): Check has_union.
10514         (do_da_constraint): Move temporary variable so it gets reset
10515         properly.
10516         Also check for special variable.
10517         (do_ds_constraint): Ditto.
10518         (do_sd_constraint): Ditto.
10519         (do_structure_copy): Check for special variable.
10520         (find_func_aliases): Ditto.
10521         (init_base_vars): Set special vars properly.
10522
10523 2005-07-13  Jan Hubicka  <jh@suse.cz>
10524
10525         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10526         do unit-at-a-time.
10527
10528         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10529         (get_expr_operands): Fix thinko wrt flags and subvars.
10530
10531         PR tree-optimize/22379
10532         * tree-inline.c (expand_call_inline): Do not output sorry in early
10533         inlining.
10534
10535 2005-07-12  Dale Johannesen  <dalej@apple.com>
10536
10537         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10538
10539 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10540
10541         PR bootstrap/21704
10542         * host-linux.h: Include limits.h.
10543
10544 2005-07-12  Dale Johannesen  <dalej@apple.com>
10545
10546         * expr.c (compress_float_constant):  Add cost check.
10547         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10548
10549 2005-07-12  Dale Johannesen  <dalej@apple.com>
10550
10551         * gcc.target/i386/compress-float-sse.c:  New.
10552         * gcc.target/i386/compress-float-sse-pic.c:  New.
10553         * gcc.target/i386/compress-float-387.c:  New.
10554         * gcc.target/i386/compress-float-387-pic.c:  New.
10555         * gcc.dg/compress-float-ppc.c:  New.
10556         * gcc.dg/compress-float-ppc-pic.c:  New.
10557
10558 2005-07-12  Eric Christopher  <echristo@redhat.com>
10559
10560         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10561         static extra parts.
10562         * config/s390/s390.md: Include tpf.md. Move tpf specific
10563         patterns...
10564         * config/s390/tpf.md: To here.
10565         * config/s390/s390.opt: Move tpf specific options...
10566         * config/s390/tpf.opt: to here. Add mmain option.
10567         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10568         * config/s390/tpf.h: Rewrite.
10569
10570 2005-07-12  Eric Christopher  <echristo@redhat.com>
10571
10572         * gcc.c (struct infile): Update comment for language.
10573         (main): Rewrite input file resetting code.
10574
10575 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10576
10577         PR tree-opt/22335
10578         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10579         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10580         (lookup_avail_expr): Use constant_boolean_node instead
10581         of boolean_false_node/boolean_true_node.
10582
10583 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10584
10585         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10586         and use it when printing num_edges.
10587
10588 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10589
10590         * doc/extend.texi (Blackfin Built-in Functions): New section.
10591         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10592         @opindex.
10593
10594 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10595
10596         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10597         s/cmpstrsi/cmpstrnsi
10598         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10599         'cmpstrnsi'.
10600         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10601         (init_optabs): Initialize cmpstrn_optab.
10602         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10603         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10604         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10605         * config/i386/i386.md: s/cmpstr/cmpstrn
10606         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10607         * doc/md.texi: Update documentation.
10608
10609 2005-07-11  Richard Henderson  <rth@redhat.com>
10610
10611         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10612         build_va_arg_indirect_ref.
10613         (alpha_gimplify_va_arg): Likewise.
10614         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10615         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10616         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10617         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10618         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10619         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10620         Likewise.
10621         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10622
10623 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10624
10625         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10626         * passes.c (init_optimization_passes): Add pass_empty_loop.
10627         * tree-pass.h (pass_empty_loop): Declare.
10628         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10629         try_remove_empty_loop, remove_empty_loops): New functions.
10630         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10631         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10632
10633 2005-07-12  Peter Barada  <peter@the-baradas.com>
10634
10635         PR middle-end/16719
10636         PR middle-end/18421
10637         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10638         in address registers.
10639         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10640         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10641         alternative of addsi3_5200.
10642
10643 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10644
10645         * config/mips/mips.md (ffs<mode>2): Remove.
10646
10647 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10648
10649         * doc/tree-ssa.texi (Cleanups): Improve description of
10650         TRY_FINALLY_EXPR.
10651         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10652
10653 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10654
10655         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10656         * tree.h (DECL_ARGUMENT_FLD): New macro.
10657
10658 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10659
10660         Fix PR tree-optimization/22404
10661
10662         * tree-ssa-structalias.c (create_variable_info_for): Use
10663         correct offset.
10664
10665 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10666
10667         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10668         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10669         for second comparison operand.
10670         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10671
10672         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10673         (define_insn_reservation "alu"): Likewise.
10674         (csync, ssync): Now of type sync.
10675         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10676         -mcsync-anomaly -mspecld-anomaly.
10677         * config/bfin/bfin.opt (mcsync): Remove.
10678         (mcsync-anomaly, mspecld-anomaly): Add.
10679         * config/bfin/bfin.c: Include "insn-codes.h".
10680         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10681         (TARGET_DEFAULT_TARGET_FLAGS): New.
10682         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10683
10684 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10685
10686         * basic-block.h: Give the BB flags enum a name, bb_flags.
10687         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10688         * cfgcleanup.c (enum bb_flags): Remove here.
10689         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10690         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10691         (update_forwarder_flag): Likewise.
10692         (thread_jump): Likewise.
10693         (try_forward_edges): Likewise.
10694         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10695         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10696         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10697
10698 2005-07-11  Richard Guenther  <rguenther@suse.de>
10699
10700         * config/i386/i386.opt: New target option -msseregparm.
10701         * config/i386/i386.c (override_options): Error out for
10702         -msseregparm but no SSE support.
10703         (ix86_function_sseregparm): Check for global sseregparm.
10704         * doc/invoke.texi: Document -msseregparm.
10705
10706 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10707
10708         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10709         (m32rle-*-linux*): Ditto.
10710
10711 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10712
10713         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10714         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10715         bytes.
10716
10717 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10718
10719         PR middle-end/22239
10720         PR target/20126
10721         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10722         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10723
10724 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10725
10726         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10727         (varmap): Heapify varmap.
10728         (constraints): Heapify constraints.
10729         (struct constraint_graph): Heapify succs and preds.
10730         (constraint_vec_find): Update for heapification.
10731         (constraint_set_union): Ditto.
10732         (insert_into_complex): Ditto.
10733         (constraint_edge_vec_find): Ditto.
10734         (erase_graph_self_edge): Ditto.
10735         (add_graph_edge): Ditto.
10736         (get_graph_weights): Ditto.
10737         (merge_graph_nodes): Ditto.
10738         (build_constraint_graph): Ditto.
10739         (topo_visit): Ditto.
10740         (solve_graph): Ditto.
10741         (create_variable_info_for): Ditto.
10742         (init_base_vars): Ditto.
10743         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10744         (condese_varmap_nodes): Free complex vector.
10745         (clear_edges_for_node): Clear succs and preds vector.
10746
10747 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10748
10749         * tree-ssa-structalias.c (update_alias_info): Change counting of
10750         references to not include vdefs.
10751
10752 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10753
10754         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10755         (up_insert): Ditto.
10756
10757 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10758
10759         * pa.c (pa_commutative_p): Make PLUS commutative when
10760         TARGET_NO_SPACE_REGS is true.
10761
10762 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10763
10764         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10765         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10766         * tree-dfa.c (dump_subvars_for): New.
10767         (debug_subvars_for): New.
10768         (dump_variable): Show subvariables if VAR has them.
10769         * tree-flow-inline.h (get_subvar_at): New.
10770         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10771         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10772         Update all users.
10773         (struct subvar): Change fields offset and size to unsigned
10774         HOST_WIDE_INT.
10775         (dump_subvars_for): Declare.
10776         (debug_subvars_for): Declare.
10777         (get_subvar_at): Declare.
10778         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10779         to unsigned HOST_WIDE_INT *.
10780         (overlap_subvar): Likewise.
10781         * tree-gimple.c (is_gimple_reg): Always return false for
10782         SFTs and memory tags.
10783         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10784         Update all callers.
10785         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10786         (compute_may_aliases): Call compute_points_to_sets.
10787         (collect_points_to_info_for): Remove.
10788         (compute_points_to_and_addr_escape): Remove.
10789         (delete_alias_info): Call delete_points_to_sets.
10790         (compute_flow_sensitive_aliasing): If the call to
10791         find_what_p_points_to returns false, call set_pt_anything.
10792         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10793         (set_pt_anything): Clear pi->pt_vars.
10794         (set_pt_malloc): Remove.
10795         (merge_pointed_to_info): Remove.
10796         (add_pointed_to_expr): Remove.
10797         (add_pointed_to_var): Remove.
10798         (collect_points_to_info_r): Remove.
10799         (is_escape_site): Make extern.
10800         (create_sft): New.
10801         (create_overlap_variables_for): Call it.
10802         * tree-ssa-copy.c (merge_alias_info): Never merge
10803         flow-sensitive alias information.
10804         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10805         offset and size to be unsigned HOST_WIDE_INT.
10806         (add_to_addressable_set): Rename from note_addressable.
10807         Set TREE_ADDRESSABLE as the variables are added to the set.
10808         Update all users.
10809         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10810         operands into VUSEs when adding V_MAY_DEFs for members in an
10811         alias set.
10812         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10813         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10814         (struct variable_info): Add bitfield is_heap_var.
10815         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10816         (new_var_info): Initialize is_heap_var.
10817         (get_constraint_for): Add HEAP variables to the symbol table.
10818         Mark them with is_heap_var.
10819         (update_alias_info): New.  Taken mostly from the old
10820         compute_points_to_and_addr_escape.
10821         (handle_ptr_arith): New.
10822         (find_func_aliases): Call update_alias_info.
10823         Call handle_ptr_info for tcc_binary expressions.
10824         Call mark_stmt_modified.
10825         (create_variable_info_for): If DECL has subvars, do not create
10826         variables for its subvars.  Always add all the fields.
10827         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10828         SFTs, then add all the SFTs of the structure.
10829         If VI->DECL is an aggregate with subvariables, add the SFT at
10830         VI->OFFSET.
10831         (find_what_p_points_to): If VI is an artificial variable,
10832         translate to bitfields in SSA_NAME_PTR_INFO.
10833         If the solution is empty, set pi->pt_vars to NULL
10834         (init_base_vars): Create ANYOFFSET.
10835         (compute_points_to_sets): Rename from create_alias_vars.
10836         Make extern.
10837         (pass_build_pta): Remove.
10838         (delete_points_to_sets): Rename from delete_alias_vars.
10839         (pass_del_pta): Remove.
10840         * tree-ssa-structalias.h (struct alias_info): Move from
10841         tree-ssa-alias.h.
10842         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10843         NUM_REFERENCES_SET): Likewise.
10844         (compute_points_to_sets, delete_points_to_sets): Declare.
10845
10846 2005-07-09  Richard Henderson  <rth@redhat.com>
10847
10848         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10849         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10850         alpha_split_lock_test_and_set_12): New functions.
10851         * config/alpha/alpha-protos.h: Update.
10852         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10853         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10854         * config/alpha/sync.md (I12MODE): New.
10855         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10856         (sync_<fetchop_name><I48MODE>): Likewise.
10857         (sync_nand<I48MODE>): Likewise.
10858         (sync_old_<fetchop_name><I48MODE>): Likewise.
10859         (sync_new_<fetchop_name><I48MODE>): Likewise.
10860         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10861         (sync_compare_and_swap<I48MODE>): Likewise.
10862         (sync_lock_test_and_set<I48MODE>): Likewise.
10863         (sync_compare_and_swap<I12MODE>): New.
10864         (sync_compare_and_swap<I12MODE>_1): New.
10865         (sync_lock_test_and_set<I12MODE>): New.
10866         (sync_lock_test_and_set<I12MODE>_1): New.
10867
10868 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10869
10870         PR 21356
10871         PR 22332
10872         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10873
10874 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10875
10876         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10877         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10878
10879 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10880
10881         PR target/21656
10882         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10883
10884 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10885
10886         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10887         memory_operand constraint.
10888         (store_conditional_<mode>): Same.
10889         (sync_compare_and_swap<mode>): Same.
10890         (sync_lock_test_and_set<mode>): Same.
10891
10892 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10893
10894         Rewrite PIC support to more closely model actual instructions.
10895         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10896         (cris_symbol): Remove prototypes for removed functions.
10897         (cris_pic_symbol_type_of, cris_valid_pic_const)
10898         (cris_expand_pic_call_address): Prototypes for new functions.
10899         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10900         variable.
10901         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10902         modifiers.
10903         <case ':'>: Add case for new punctuation character.
10904         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10905         emitting (extra) PIC modifier.
10906         <case UNSPEC>: Do not assert for PLT.
10907         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10908         (cris_expand_prologue, cris_expand_epilogue): Check
10909         for pic_offset_table_rtx usage instead of taking
10910         current_function_uses_pic_offset_table as the final word.
10911         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10912         Remove flag_pic difference.
10913         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10914         the moral equivalents of...
10915         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10916         functions.
10917         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10918         (cris_handle_option): Mark ARG as unused.
10919         (cris_expand_pic_call_address): New worker function for "call",
10920         "call_value".
10921         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10922         output PIC constructs here.
10923         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10924         as symbol-specific modifers, not whole or part of operands.
10925         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10926         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10927         constants and flag_pic.
10928         (CONSTANT_INDEX_P): Adjust for new functions.
10929         (enum cris_pic_symbol_type): New helper type.
10930         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10931         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10932         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10933         define_constants.
10934         ("movsi"): Emit actual instructions for GOT and relative access.
10935         ("*movsi_got_load"): New pattern to set up the register holding
10936         the GOT pointer.
10937         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10938         Adjust FIXME for 'S'.
10939         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10940         Use "movs" for -fpic cases.
10941         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10942         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10943         ("call", "call_value"): Just call cris_expand_pic_call_address for
10944         PIC addresses.
10945         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10946         Remove special pattern.
10947         ("*expanded_call_side", "*expanded_call_value_side"): New
10948         patterns.
10949         (gotplt-to-plt, gotplt-to-plt-side-call)
10950         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10951         peephole2:s.
10952         * config/cris/cris/predicates.md
10953         ("cris_general_operand_or_gotless_symbol"): Remove unused
10954         predicate.
10955         ("cris_general_operand_or_symbol"): Adjust for new functions.
10956
10957 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10958
10959         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10960
10961 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10962
10963         * Makefile.in (TREE_H): Add treestruct.def.
10964         (c-decl.o): Add pointer-set.h
10965         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10966         visibility on regular DECL's.
10967         (merge_decls): Fix the copying of decl nodes of various types for
10968         the new structures.  Don't update RTL, section name, weak status,
10969         etc, on DECL's without RTL.
10970         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10971         Don't check volatile on non-variable types.
10972         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10973         to check whether we have seen arguments.
10974         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10975         flag is checked before field (flag is common, field is not).
10976         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10977         TS_DECL_COMMON could have an origin.
10978         (add_location_or_const_value_attribute): Don't check section name
10979         on non-var/function decls.
10980         (dwarf2out_var_location): Reverse order of tests.
10981         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10982         with DECL_WRTL_CHECK.
10983         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10984         * fold-const.c (fold_binary): Don't check weakness on
10985         non-var/function decls.
10986         (tree_expr_nonzero_p): Ditto.
10987         (fold_checksum_tree): Use tree_decl_extra as sizeof
10988         buffer.
10989         * ggc-page.c (extra_order_size_table): Add sizes for
10990         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10991         tree_field_decl.
10992         * gimplify.c (gimplify_bind_expr): Only set
10993         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10994         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10995         without RTL.
10996         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10997         * langhooks.h (init_ts). New langhook.
10998         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10999         * print-tree.c (print_node): Update to only print fields that
11000         exist in the structures the passed decl has.
11001         * toplev.c (wrapup_global_declarations): Don't reset
11002         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11003         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11004         * tree-inline.c (remap_decl): Ditto.
11005         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11006         * tree-pretty-print.c (print_declaration): Don't print
11007         DECL_REGISTER on things that don't contain it.
11008         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11009         non-var/function decls.
11010         * tree.c (tree_contains_struct): New structure.
11011         (init_priority_for_decl): New hashtable.
11012         (tree_int_map): New structure.
11013         (tree_int_map_eq): New function.
11014         (tree_int_map_marked_p): Ditto.
11015         (tree_int_map_hash): Ditto.
11016         (tree_map): Move to tree.h.
11017         (tree_map_eq): Externalize.
11018         (tree_map_hash): Ditto.
11019         (tree_map_marked_p): Ditto.
11020         (init_ttree): Set up tree_contains_struct and call langhook.
11021         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11022         (tree_code_size): Update for new structures.
11023         (tree_node_structure): Update for new structures.
11024         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11025         without the field.
11026         (copy_node_stat):  Copy init priority.
11027         (build_decl_stat): Ditto for visibility.
11028         (ts_enum_names): New.
11029         (tree_contains_struct_check_failed): New function.
11030         (decl_init_priority_lookup): Ditto.
11031         (decl_init_priority_insert): Ditto.
11032         * treestruct.def: New file.
11033         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11034         (CONTAINS_STRUCT_CHECK): Ditto.
11035         (tree_contains_struct_check_failed): New prototype.
11036         (DECL_CHECK): Removed.
11037         (DECL_MINIMAL_CHECK): New.
11038         (DECL_COMMON_CHECK): Ditto.
11039         (DECL_WRTL_CHECK): Ditto.
11040         (DECL_NON_COMMON_CHECK): Ditto.
11041         (DECL_WITH_VIS_CHECK): Ditto.
11042         (VAR_OR_FUNCTION_DECL_P): Ditto
11043         (struct tree_decl_minimal): New structure.
11044         (struct tree_decl_common): Ditto.
11045         (struct tree_decl_with_rtl): Ditto.
11046         (struct tree_decl_with_vis): Ditto.
11047         (struct tree_decl_non_common): Ditto.
11048         (struct tree_field_decl): Ditto.
11049         (struct tree_parm_decl): Ditto.
11050         (struct tree_var_decl): Ditto.
11051         (struct tree_function_decl): Ditto.
11052         (struct tree_const_decl): Ditto.
11053         (struct tree_result_decl): Ditto.
11054         (union tree_node): Add new structures.
11055         * var-tracking.c (track_expr_p): Reverse order of tests.
11056
11057         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11058
11059 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11060
11061         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11062         * system.h: Poison FINALIZE_PIC.
11063         * doc/tm.texi (FINALIZE_PIC): Remove.
11064
11065 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11066
11067         PR tree-opt/22329
11068         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11069         to the correct type if we have a MODIFY_EXPR.
11070
11071 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11072
11073         PR tree-optimization/22360
11074         * tree.c (upper_bound_in_type): Fix calculations for casting
11075         to a non-wider signed type and casting a signed value to a
11076         wider unsigned type.
11077         (lower_bound_in_type): Fix calculations for casting to a
11078         non-wider signed type.
11079
11080         PR tree-optimization/20139
11081         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11082         release_defs.
11083         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11084         fold_cond_expr_cond.
11085         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11086         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11087
11088 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11089
11090         PR tree-opt/22356
11091         * tree-complex.c (expand_complex_libcall): Produce
11092         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11093
11094 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11095
11096         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11097         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11098         b" assert and inserted fastpath code for this case.
11099         (bitmap_ior): Removed "a != b" assert.
11100
11101 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11102
11103         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11104         (ENDFILE_SPEC): Likewise.
11105         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11106
11107         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11108         a large stack frame at epilogue.
11109
11110 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11111
11112         * final.c: Include sdbout.h when required.
11113
11114 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11115
11116         * config.gcc (*-*-darwin*): Only one target-specific header file
11117         for generic darwin.
11118         (powerpc-*-darwin*): Add version-specific header files.
11119         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11120         * config.in: Regenerate.
11121         * configure: Regenerate.
11122         * gcc.c: Include xregex.h.
11123         (version_compare_spec_function): New.
11124         (spec_function): Add version-compare.
11125         (replace_outfile_spec_function): Reformat comment.
11126         (compare_version_strings): New.
11127         * config/darwin-c.c (version_as_macro): New.
11128         (builtin_define): New.
11129         (darwin_cpp_builtins): New.
11130         * config/darwin-protos.h (darwin_cpp_builtins): New.
11131         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11132         (LIB_SPEC): Make unconditional, update comment.
11133         (TARGET_C99_FUNCTIONS): Define.
11134         * config/darwin.opt: Sort.
11135         (mmacosx-version-min=): New.
11136         * config/darwin7.h: Delete.
11137         * config/darwin8.h: Delete.
11138         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11139         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11140         (TARGET_C99_FUNCTIONS): Define.
11141         * config/rs6000/darwin7.h: New.
11142         * config/rs6000/darwin8.h: New.
11143         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11144         (-mmacosx-version-min): Document.
11145
11146 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11147
11148         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11149
11150 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11151
11152         PR middle-end/22239
11153         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11154
11155 2005-07-07  Khem Raj  <kraj@mvista.com>
11156
11157         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11158         in bytes, not words.
11159
11160 2005-07-07  Paul Brook  <paul@codesourcery.com>
11161
11162         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11163         DEFAULT_FUNCTION_ARG_PADDING to upward.
11164
11165 2005-07-07  Richard Henderson  <rth@redhat.com>
11166
11167         * function.c (locate_and_pad_parm): Record parameter alignment in
11168         stack_alignment_needed.
11169
11170 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11171
11172         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11173         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11174         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11175         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11176         (define_attr "type"): Add isync, sync, load_l, store_c.
11177         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11178         Create scratch volatile MEM.
11179         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11180         sync.
11181         (load_locked_<mode>): New.
11182         (store_conditional_<mode>): New.
11183         (sync_compare_and_swap<mode>): Replace with splitter.
11184         (sync_lock_test_and_set<mode>): Replace with splitter.
11185         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11186         and UNSPECV_ISYNC.
11187         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11188         is ics.  Attribute isync.
11189         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11190         lwsync.
11191         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11192         and UNSPECV_SYNC_OP.
11193         (emit_unlikely_jump): New.
11194         (emit_load_locked): New.
11195         (emit_store_conditional): New.
11196         (rs6000_split_compare_and_swap): New.
11197         (rs6000_split_lock_test_and_set): New.
11198         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11199         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11200         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11201         rs6000_split_lock_test_and_set): Declare.
11202         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11203         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11204         store_c, isync, sync.
11205
11206 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11207
11208         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11209         filenames to gtyp-gen.h.
11210         (s-typ-gen): Use it in place of for loops.
11211
11212 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11213
11214         * hooks.c (hook_bool_rtx_int_false): New function.
11215         * hooks.h (hook_bool_rtx_int_false): Declare.
11216         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11217         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11218         * target.h (struct gcc_target): Add commutative_p member.
11219         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11220         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11221         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11222         (pa_commutative_p): New function.
11223         * jump.c (target.h): Include.
11224         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11225         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11226
11227 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11228
11229         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11230         (s390_expand_setmem): New.
11231         * config/s390/s390.c: Likewise.
11232         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11233         Adapt comments.
11234         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11235         general_operand.  Call new function "s390_expand_setmem".
11236         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11237         ("setmem_long", "*setmem_long"): ... this.
11238
11239 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11240
11241         * config/s390/s390.c: (optimization_options): Enable
11242         TARGET_MVCLE at -Os.
11243         * doc/invoke.texi: Document changes in default behaviour.
11244         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11245
11246 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11247
11248         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11249         defined by back-end.
11250
11251 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11252
11253         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11254         all sets in the pattern.
11255         * config/rs6000/rs6000.md (stack_protect_testsi,
11256         stack_protect_testdi): Likewise.
11257
11258 2005-07-06  Jeff Law  <law@redhat.com>
11259
11260         * tree-vrp.c (simplify_using_ranges): Kill.
11261         (vrp_finalize): Remove call to simplify_using_ranges.
11262         (simplify_stmt_using_ranges): New function extracted from
11263         simplify_using_ranges.
11264         (simplify_div_or_mod_using_ranges): Likewise.
11265         (simplify_abs_using_ranges): Likewise.
11266         (simplify_cond_using_ranges): New function.
11267         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11268         * tree-ssa-propagate.c (substitute_and_fold): Call
11269         simplify_stmt_using_ranges if we have range information.
11270
11271 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11272
11273         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11274         ia64_flag_schedule_isns2.
11275
11276         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11277         reading/writing general registers.
11278         (ia64_function_arg): Revert 2005-06-18 change.
11279
11280 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11281
11282         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11283         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11284
11285 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11286
11287         * function.c (expand_function_end): Revert part of 2005-06-27
11288         patch.  Do sjlj_emit_function_exit_after after return_label.
11289
11290 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11291
11292         * doc/install.texi (--disable-libssp): New.
11293
11294 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11295
11296         * doc/invoke.texi: Update -fforce-mem documentation.
11297         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11298         code for -fforce-mem.
11299         * expmed.c: (store_bit_field,store_fixed_bit_field,
11300         extract_bit_field): Ditto.
11301         * expr.c: (convert_move): Ditto.
11302         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11303         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11304         emit_conditional_add,expand_float,expand_fix): Ditto.
11305         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11306         (common_handle_option): Issue warning when -fforce-mem specified.
11307
11308 2005-07-06  Paul Brook  <paul@codesourcery.com>
11309
11310         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11311         argument is empty.
11312         * configure: Regenerate.
11313
11314 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11315
11316         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11317
11318 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11319
11320         Fix PR tree-optimization/22319
11321         Fix PR tree-optimization/22140
11322         Fix PR tree-optimization/22310
11323
11324         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11325         variable sized types.
11326         Use correct type for intermediate structure on *a = *b structure
11327         copies.
11328
11329 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11330
11331         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11332         Remove.
11333         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11334         (machine_function): Move typedef to...
11335         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11336         varargs_save_offset field.
11337         (rs6000_stack_t): Remove varargs_size field.
11338         (setup_incoming_varargs): Allocate varargs save area using
11339         assign_stack_local, try to make it as small as possible.
11340         Save offset from virtual_stack_vars_rtx to the save area
11341         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11342         instead of magic 8 when fp word byte size is used.
11343         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11344         instead of -RS6000_VARARGS_SIZE.
11345         (rs6000_stack_info, debug_stack_info,
11346         rs6000_initial_elimination_offset): Remove all traces of
11347         varargs_size.
11348         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11349         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11350         RS6000_VARARGS_AREA.
11351
11352 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11353
11354         PR tree-optimization/21963
11355         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11356         constant_multiple_of in the same way get_computation_cost_at does.
11357
11358 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11359
11360         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11361         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11362         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11363         and return its previous value.
11364         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11365         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11366         constants.
11367         (stack_protect_set, stack_protect_test): New expanders.
11368         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11369         stack_protect_testdi): New insns.
11370         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11371         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11372
11373 2005-07-06  Jeff Law  <law@redhat.com>
11374
11375         * tree-ssa-dce.c (cfg_altered): New global.
11376         (tree_dce_init): Initialize cfg_altered.
11377         (remove_dead_stmt): If we remove an edge in the CFG, then set
11378         CFG_ALTERED.
11379         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11380         the dominators.
11381
11382 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11383
11384         * Makefile.in (stamp-collect-ld): Use
11385         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11386         ./collect-ld if it already exists.
11387         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11388         Don't remove ./nm if it already exists.
11389
11390 2005-07-05  Devang Patel  <dpatel@apple.com>
11391
11392         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11393         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11394         * tree-vectorizer.c (vect_loop_location): New.
11395         (vect_print_dump_info): Use vect_loop_location.
11396         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11397         (vectorize_loops): Set vect_loop_location.
11398         * tree-vect-analyze.c (vect_analyze_offset_expr,
11399         vect_determin_vectorization_factor, vect_analyze_operations,
11400         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11401         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11402         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11403         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11404         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11405         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11406         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11407         vect_analyze_loop): Adjust vect_print_dump_info API.
11408         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11409         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11410         vect_finish_stmt_generation, vectorizable_assignment,
11411         vectorizable_operation, vectorizable_store, vectorizable_load,
11412         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11413         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11414         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11415         vect_transform_loop): Same.
11416         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11417         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11418         Same.
11419
11420 2005-07-05  Randolph Chung  <tausq@debian.org>
11421
11422         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11423         * configure: Regenerate.
11424         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11425         (pa_tls_referenced_p): Declare.
11426         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11427         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11428         (legitimize_tls_address): New.
11429         (hppa_legitimize_address): Handle TLS addresses.
11430         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11431         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11432         (emit_move_sequence): Handle TLS addresses.
11433         (pa_encode_section_info): Call default handler to handle common
11434         sections.
11435         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11436         (CONSTANT_ADDRESS_P): Reject TLS operands.
11437         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11438         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11439         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11440         (UNSPEC_TLSLE): Define new constants.
11441         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11442         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11443         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11444         (tie_symbolic_operand, tle_symbolic_operand): New
11445
11446 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11447
11448         * aclocal.m4: Update macros for autoconf 2.59 style.
11449         * configure.ac: Likewise.
11450
11451 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11452
11453         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11454         (function_arg): Pass small aggregates in general registers on 32-bit
11455         targets.
11456         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11457
11458 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11459
11460         * Makefile.in (final.o): Fix dependencies.
11461
11462 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11463
11464         PR c/22013
11465         PR c/22098
11466         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11467         * langhooks.c (lhd_expr_to_decl): New.
11468         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11469         New.
11470         (LANG_HOOKS_INITIALIZER): Update.
11471         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11472         expr_to_decl langhook.
11473         * c-tree.h (c_expr_to_decl): Declare.
11474         * c-typeck.c (c_expr_to_decl): New.
11475         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11476         specially.
11477         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11478
11479 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11480
11481         PR c/22308
11482         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11483         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11484
11485 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11486
11487         * Makefile.in: Adjust dependencies.
11488         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11489         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11490         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11491         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11492         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11493         rest_of_compilation.
11494
11495         * bb-reorder.c (gate_duplicate_computed_gotos,
11496         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11497         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11498         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11499         pass_partition_blocks): New.
11500         * bt-load.c (gate_handle_branch_target_load_optimize,
11501         rest_of_handle_branch_target_load_optimize,
11502         pass_branch_target_load_optimize): New.
11503         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11504         pass_jump2): New.
11505         * cfglayout.c (pass_insn_locators_initialize): New.
11506         * cfgrtl.c (pass_free_cfg): New.
11507         * combine.c (gate_handle_combine, rest_of_handle_combine,
11508         pass_combine): New.
11509         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11510         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11511         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11512         * except.c (pass_set_nothrow_function_flags,
11513         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11514         pass_rtl_eh): New.
11515         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11516         rest_of_handle_shorten_branches, pass_shorten_branches,
11517         rest_of_clean_state, pass_clean_state): New.
11518         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11519         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11520         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11521         pass_flow2): New.
11522         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11523         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11524         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11525         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11526         pass_gcse): New.
11527         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11528         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11529         pass_rtl_ifcvt, gate_handle_if_after_combine,
11530         rest_of_handle_if_after_combine, pass_if_after_combine,
11531         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11532         pass_if_after_reload): New.
11533         * integrate.c (pass_initial_value_sets): New.
11534         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11535         pass_purge_lineno_notes): New.
11536         * mode-switching.c (rest_of_handle_mode_switching,
11537         pass_mode_switching): New.
11538         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11539         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11540         pass_loop2): New.
11541         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11542         pass_loop_optimize): New.
11543         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11544         pass_sms): New.
11545         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11546         pass_gcse2): New.
11547         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11548         pass_postreload_cse): New.
11549         * profile.c (gate_handle_profiling, pass_profiling,
11550         rest_of_handle_branch_prob, pass_branch_prob): New.
11551         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11552         pass_split_before_regstack, gate_handle_split_before_regstack,
11553         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11554         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11555         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11556         pass_stack_regs): New.
11557         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11558         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11559         pass_stack_adjustments): New.
11560         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11561         pass_regrename): New.
11562         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11563         pass_delay_slots, gate_handle_machine_reorg,
11564         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11565         * rtl.h (extern void purge_line_number_notes): New.
11566         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11567         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11568         pass_sched2): New.
11569         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11570         pass_tracer): New.
11571         * value-prof.c (gate_handle_value_profile_transformations,
11572         rest_of_handle_value_profile_transformations,
11573         pass_value_profile_transformations): New.
11574         * var-tracking.c (gate_handle_var_tracking,
11575         pass_variable_tracking): New.
11576         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11577
11578         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11579         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11580         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11581         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11582         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11583         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11584         rest_of_handle_gcse2, rest_of_handle_regmove,
11585         rest_of_handle_tracer, rest_of_handle_if_conversion,
11586         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11587         rest_of_handle_web, rest_of_handle_branch_prob,
11588         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11589         rest_of_handle_jump_bypass, rest_of_handle_combine,
11590         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11591         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11592         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11593         rest_of_handle_mode_switching, rest_of_handle_jump,
11594         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11595         rest_of_handle_flow2, rest_of_handle_jump2,
11596         rest_of_handle_peephole2, rest_of_handle_postreload,
11597         rest_of_handle_shorten_branches, rest_of_clean_state,
11598         rest_of_compilation): Remove.
11599
11600         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11601         * passes.c (dump_flags, in_gimple_form, all_passes,
11602         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11603         register_dump_files, next_pass_1, last_verified, execute_todo,
11604         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11605         from tree-optimize.c.
11606         (init_optimization_passes): Moved from tree-optimize.c,
11607         adding the RTL optimizations.
11608         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11609         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11610         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11611         register_dump_files, next_pass_1, last_verified, execute_todo,
11612         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11613         init_tree_optimization_passes, ipa_passes): Delete.
11614         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11615         the RTL dumps.
11616         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11617         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11618         from tree.h.
11619         (ipa_passes): Remove.
11620         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11621         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11622         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11623         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11624         (dump_info_p, dump_flag): Moved to tree-dump.h.
11625
11626         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11627         cgraph.c, opts.c.
11628         * passes.c (finish_optimization_passes): Use dump_begin
11629         and dump_end, TDI_end.
11630         (gate_rest_of_compilation): New.
11631         (pass_rest_of_compilation): Use it.
11632         (gate_postreload, pass_postreload): New.
11633         * toplev.c (general_init): Rename init_tree_optimization_passes.
11634         * toplev.h (init_tree_optimization_passes): Rename to
11635         init_optimizations_passes.
11636         * tree-dump.c (dump_flag): Make static.
11637         (dump_files): Remove RTL dumps.
11638         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11639         pass_cleanup_cfg, pass_free_cfg_annotations,
11640         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11641         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11642         * tree-pretty-print.c: Include tree-pass.h.
11643         * cgraph.c: Include tree-dump.h.
11644
11645 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11646
11647         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11648         Only fall back to saying it points to readonly memory if
11649         we can't do better.
11650
11651 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11652
11653         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11654         * config/m32r/m32r.c (m32r_compute_frame_size,
11655         m32r_expand_prologue): Take current_function_profile into
11656         account whenever we reference
11657         current_function_uses_pic_offset_table.
11658         (m32r_finalize_pic): Remove.
11659         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11660
11661 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11662
11663         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11664         instead of $<.  Don't remove ./as if it already exists.
11665
11666 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11667
11668         PR target/21723
11669         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11670         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11671         for complex modes when generating code for PA 1.0.
11672         (VALID_FP_MODE_P): New macro.
11673         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11674         sets for all general and floating point modes.  Align wide floating
11675         point modes to even register boundaries to comply with architectural
11676         requirements.
11677         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11678         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11679         (VALID_FP_MODE_P): New macro.
11680         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11681         sets for all general and floating point modes.  Align wide floating
11682         point modes to even register boundaries to comply with architectural
11683         requirements.
11684
11685 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11686
11687         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11688         to 0.
11689
11690 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11691
11692         * tree-ssa-structalias.c: Don't include expr.h.
11693
11694 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11695
11696         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11697         comments.
11698
11699 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11700
11701         Fix PR tree-optimization/22279
11702
11703         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11704         correct operator.
11705
11706 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11707
11708         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11709
11710 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11711
11712         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11713         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11714         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11715         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11716         config/stormy16/stormy16.c, config/v850/v850.c,
11717         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11718         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11719         Avoid "." or "\n" at end of diagnostics and capital letters at
11720         start of diagnostics.
11721         * combine.c, cse.c: Don't translate dump file output.
11722         * toplev.c (print_version): Only translate output if going to
11723         stderr.
11724
11725 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11726
11727         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11728         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11729         typos.
11730
11731 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11732
11733         * pa.c (fix_range): Fix typo in comment.
11734
11735 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11736
11737         * tree-vrp.c (extract_range_from_assert): Replace
11738         fold (build (...)) with fold_build2.
11739
11740 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11741
11742         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11743         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11744         (format_types_orig, handle_format_attribute): Add support for
11745         format "gcc_gfc".
11746
11747 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11748
11749         * varasm.c (assemble_variable): Fix format specifier thinko.
11750
11751 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11752
11753         PR tree-optimization/22029 (and 22135)
11754         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11755         a phi node before calling dump_vops.
11756
11757 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11758
11759         * tree-dump.h (dump_string_field): Declare.
11760         * tree-dump.c: Use it instead of dump_string.
11761         (dump_string_field): Make non-static.
11762
11763 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11764
11765         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11766         up the minimal CFG stuff always when optimize > 0.  Call
11767         split_all_insns_noflow in PIC case if needed.
11768
11769 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11770             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11771
11772         PR c++/18279
11773         * c-decl.c (c_write_global_declarations): Dump contents of
11774         external scope to.
11775         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11776         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11777         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11778         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11779         is enabled.
11780
11781 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11782
11783         * c-common.h (GCC_DIAG_STYLE): Define.
11784         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11785         version for format checking to 4.1.
11786         * c-format.c: Include toplev.h after c-common.h.
11787         (enum format_type): Add gcc_tdiag_format_type.
11788         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11789         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11790         (format_types_orig): Add gcc_tdiag.
11791         (init_dynamic_diag_info): Support gcc_tdiag formats.
11792         (handle_format_attribute): Likewise.
11793         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11794         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11795         version for format checking to 4.1.
11796         (warning0, warning, error, pedwarn, sorry): Use
11797         ATTRIBUTE_GCC_DIAG.
11798         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11799         (finish_aliases_1): Do not use %qE.
11800         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11801         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11802         Correct format bugs.
11803         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11804         parameter to unsigned HOST_WIDE_INT.
11805         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11806
11807 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11808
11809         PR middle-end/21742
11810         * expr.c (write_complex_part): Use adjust_address for MEM.
11811         (read_complex_part): Same.
11812
11813 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11814
11815         Fix PR tree-optimization/22280
11816
11817         * tree-sra.c (generate_element_init): Remove useless loop.
11818
11819 2005-07-02  Richard Henderson  <rth@redhat.com>
11820
11821         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11822         TLS_MODEL_NONE.
11823         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11824
11825 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11826
11827         PR middle-end/14490
11828         * fold-const.c (fold_binary): Handle the return value of
11829         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11830         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11831
11832 2005-07-02  Jeff Law  <law@redhat.com>
11833
11834         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11835         a eliminate type conversion which feeds an equality comparison
11836         if the original type or either operand in the comparison is a
11837         function pointer.
11838
11839 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11840
11841         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11842         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11843         texts.
11844         * config/avr/avr.c: Do not use '`' as left quote.
11845         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11846         Remove "." from end of diagnostics.  Make diagnostics start with
11847         lowercase letter.
11848
11849 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11850             Joseph S. Myers  <joseph@codesourcery.com>
11851
11852         * toplev.c (default_tree_printer): Handle setting location with
11853         '+' flag.
11854         * c-objc.common.c (c_tree_printer): Likewise.
11855         * c-format.c (gcc_diag_flag_specs): Add '+'.
11856         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11857         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11858         formats.
11859         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11860         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11861         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11862         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11863         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11864         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11865         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11866         format arguments where %J is used without %D.
11867
11868 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11869
11870         * gcc.c (LINK_SSP_SPEC): Define.
11871         (link_ssp_spec): New variable.
11872         (LINK_COMMAND_SPEC): Add %(link_ssp).
11873         (static_specs): Add link_ssp_spec.
11874         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11875         * configure: Rebuilt.
11876         * config.in: Rebuilt.
11877
11878         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11879         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11880         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11881         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11882         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11883         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11884         -0x7008(2) instead of reading __stack_chk_guard variable.
11885         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11886         number.
11887         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11888         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11889         if TARGET_THREAD_SSP_OFFSET is defined.
11890         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11891         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11892
11893         Revert:
11894         2005-06-27  Richard Henderson  <rth@redhat.com>
11895         * libgcc-std.ver (GCC_4.1.0): New.
11896         * libgcc.h (__stack_chk_guard): Declare.
11897         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11898         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11899         * mklibgcc.in (lib2funcs): Add them.
11900
11901 2005-07-01  Richard Henderson  <rth@redhat.com>
11902
11903         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11904         void * before struct sigcontext *.
11905         (x86_fallback_frame_state): Likewise.
11906
11907 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11908
11909         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11910
11911 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11912
11913         PR tree-opt/22269
11914         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11915         we check for SSA_NAME for.
11916
11917 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11918
11919         Fix PR tree-optimization/22071
11920
11921         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11922         function.
11923         (get_constraint_for_component_ref): Use it.
11924
11925 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11926
11927         PR other/22264
11928         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11929         print out the last new line.
11930
11931 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11932
11933         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11934         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11935         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11936         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11937         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11938         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11939         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11940         (enum reg_class): New member CC0_REGS.
11941         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11942         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11943         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11944         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11945         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11946         Adjust for register now described.
11947
11948 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11949
11950         PR target/22262
11951         * config/i386/i386.md (stack_protect_test_si,
11952         stack_protect_test_di): Add earlyclobber for scratch 3.
11953         * config/rs6000/rs6000.md (stack_protect_testsi,
11954         stack_protect_testdi): Add earlyclobber for scratch 3,
11955         remove earlyclobber from scratch 4.
11956
11957 Older entries for 2005 can be found in ChangeLog-2005.