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1 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
2
3         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
4         introduced 2005-12-16.
5
6 2005-12-16  Steven Bosscher  <stevenb@suse.de>
7
8         PR rtl-optimization/23837
9         * optabs.c (expand_binop): For a multi-word rotate, never emit
10         a REG_NO_CONFLICT block.
11
12 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13
14         PR middle-end/25457
15         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
16
17         PR target/25447
18         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
19         MODE_DECIMAL_FLOAT.
20
21 2005-12-16  Steven Bosscher  <stevenb@suse.de>
22
23         * loop-invariant.c (move_loop_invariants): Add missing hunk from
24         the previous patch, to nullify df.
25
26 2005-12-16  Steven Bosscher  <stevenb@suse.de>
27
28         * reorg.c (mostly_true_jump): Clean up code depending on
29         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
30         poor man's branch prediction, instead rely on REG_BR_PROB
31         notes to be available.
32
33 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
34
35         PR rtl-optimization/24899
36         * loop.c (strength_reduce): Don't reduce giv that is not always
37         computable and where add_val or mult_val can trap.
38
39         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
40
41 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
42
43         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
44         names of ms1-16-002 files.
45
46 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
47
48         PR driver/20425
49         * gcc.c (for_each_path): New function.
50         (add_to_obstack, file_at_path): New functions.
51         (struct file_at_path_info, struct add_to_obstack_info): New.
52         (build_search_list): Rewrite using for_each_path.  Constify struct
53         path_prefix pointer.  Add do_multi param.  Adjust all callers.
54         (find_a_file): Similarly, but just change existing param to bool.
55         (putenv_from_prefixes): Add do_multi param, make "paths" const.
56         (do_spec_path): Delete.
57         (struct spec_path_info): New.
58         (spec_path): New function.
59         (do_spec_1): Use for_each_path for %D and %I.
60         (find_file): Adjust for find_a_file changes.
61         (main): Search multilibs for specs.  Print multilib lib path for
62         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
63         (read_specs): Search multilibs for %include and %include_noerr.
64         (is_directory): Remove second string param.  Change last param
65         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
66         check path is a dir.  Update all callers.
67         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
68         * system.h (SMALL_ARG_MAX): Poison.
69         * config.gcc: Don't define SMALL_ARG_MAX.
70         * config.host: Likewise.
71         * config.build: Likewise.
72
73 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
74
75         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
76         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
77         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
78         simplify_logical): Move simplifications that do not require
79         additional infrastructure...
80         * simplify-rtx.c (simplify_unary_operation_1,
81         simplify_binary_operation_1): ... here.
82
83 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
84
85         PR 24823
86         * flow.c (mark_used_dest_regs): New function.
87         (mark_used_regs): Call mark_used_dest_regs.
88
89 2005-12-16  Jeff Law  <law@redhat.com>
90
91         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
92         represent a use and definition of the same SSA_NAME.
93
94 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
95             Janis Johnson  <janis187@us.ibm.com>
96             Ben Elliston  <bje@au.ibm.com>
97
98         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
99         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
100         * target.h (struct gcc_target): Add decimal_float_supported_p.
101         * targhooks.c (default_scalar_mode_supported_p): Handle
102         MODE_DECIMAL_FLOAT.
103         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
104         of inf, nan, finite, isinf and isnan.
105         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
106         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
107         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
108         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
109         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
110         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
111         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
112         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
113         Pedwarn if decimal floating point types are used.  Error if
114         decimal floating point is not supported by the target.
115         (finish_declspecs): Return type from DFP typespec_word.
116         * c-typeck.c (c_common_type): Choose the decimal floating point
117         type with the greater precision when determining a common type.
118         (convert_arguments): Warn if there is a mismatch between argument
119         and prototype for decimal float types.  Warn of conversions with
120         binary float types and of precision narrowing due to prototype.
121         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
122         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
123         (c_token_starts_declspecs): Likewise.
124         (c_parser_attributes): Likewise.
125         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
126         RID_DFLOAT64, RID_DFLOAT128.
127         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
128         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
129         (shorten_compare): Convert DFP/BFP operands to a common type.
130         (c_common_modes_and_builtins): Register built-in decimal float
131         types if the target supports them.
132         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
133         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
134         inf, nan, finite, isinf and isnan builtins.
135         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
136         (builtin_define_float_constants): Assert non-decimal radix.
137         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
138         Call builtin_define_decimal_float_constants for each type.
139         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
140         flags.  Use real_from_string3, which can handle binary or decimal
141         floats.
142         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
143         cts_dfloat64, cts_dfloat128.
144         * tree.c (build_common_tree_nodes_2): Add decimal float types.
145         * tree.h (enum tree_index): Add new enumeration values
146         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
147         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
148         (dfloat32_type_node): New macro.
149         (dfloat64_type_node, dfloat128_type_node): Likewise.
150         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
151         (dfloat128_ptr_type_node): Likewise.
152         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
153         bit decimal floating point types with "df", "dd" and "dl".
154         * c-format.h (enum format_lengths): Add new enumeration values
155         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
156         * c-format.c (printf_length_specs, scanf_length_specs): Add
157         entries for H, D, DD.
158         (print_char_table, scan_char_table): Use new entries.
159         (asm_fprintf_char_table, gcc_diag_char_table,
160         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
161         length arrays.
162         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
163         (DECIMAL64_TYPE_SIZE): Likewise.
164         (DECIMAL128_TYPE_SIZE): Likewise.
165         (TARGET_DEC_EVAL_METHOD): Likewise.
166         * doc/extend.texi (Decimal Float): New node.
167         (Constructing Calls): Document decimal float built-ins.
168         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
169         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
170         * ginclude/decfloat.h: New file.
171
172 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
173
174         * reload.c (find_reloads): Fix comment typo.
175         * recog.h (recog_memoized): Correct comment.
176
177 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
178
179         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
180         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
181         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
182         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
183         * doc/invoke.texi, doc/tm.texi: Fix typos.
184
185 2005-12-16  Ben Elliston  <bje@au.ibm.com>
186
187         * real.c (decimal_quad_format): Correct values for emin, emax.
188
189 2005-12-15  DJ Delorie  <dj@redhat.com>
190
191         * config/m32c/predicates.md (m32c_psi_scale): New.
192         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
193         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
194
195 2005-12-16  Jan Hubicka  <jh@suse.cz>
196
197         PR rtl-optimization/25224
198         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
199         tables.
200
201 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
202             Steven Bosscher <stevenb@suse.de>
203
204         * loop-invariant.c (df): New global variable.
205         (find_defs, check_dependencies, find_invariant_insn, record_uses,
206         find_invariants_bb, find_invariants_body, find_invariants,
207         find_invariants_to_move, move_invariants, free_inv_motion_data,
208         move_single_loop_invariants, move_loop_invariants): Do not pass df in
209         arguments.
210
211 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
212
213         * varasm.c (default_unique_section_1): Use special section
214         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
215
216 2005-12-16  Ben Elliston  <bje@au.ibm.com>
217
218         * doc/invoke.texi (Warning Options): Document -Walways-true being
219         enabled by -Wall.
220
221 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
222
223         PR other/25028
224         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
225         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
226         __floatunditf): Use #error if type sizes don't match requirements
227         of implementation.
228         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
229         as wider floating-point type.  Use #error if type sizes don't
230         match requirements of implementation.  Avoid overflow in computing
231         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
232         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
233         (__floatundisf, __floatundidf): Likewise.
234         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
235         * config/ia64/ia64.c (ia64_init_libfuncs): Use
236         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
237         TFmode-TImode conversions.
238         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
239
240 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
241
242         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
243         Use builtin_define_with_int_value() instead of
244         adding a new check for every new major FreeBSD version.
245
246 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
247
248         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
249
250 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
251
252         * config/arm/predicates.md (call_memory_operand): New.
253         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
254
255 2005-12-15  Andrew Haley  <aph@redhat.com>
256
257         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
258         against prev_cache_entry == NULL when moving a cache entry to the
259         head of the list.
260         
261 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
262
263         * config/mt/mt.c (mt_override_options): Require lower case
264         architectures.  Revert accidental default to ms2.
265         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
266         ENDFILE_SPEC): Require lower case architectures.  Revert default
267         to ms2.
268
269         * doc/invoke.texi (MT Options): Rename and update.
270         * doc/md.texi (MorphoTech family): Rename and update.
271
272 2005-12-15  Olivier Hainque  <hainque@adacore.com>
273
274         * stor-layout.c (layout_type): Don't complain about a too small
275         an array element type size compared to its alignment when the
276         size overflows.
277
278 2005-12-15  Jan Hubicka  <jh@suse.cz>
279
280         PR target/24969
281         * i386.c (classify_argument): Properly adjust offset of bitfield for
282         substructures.
283
284 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
285
286         * final.c (final_scan_insn): Flip in_cold_section_p when changing
287         between the hot and cold sections.  Use current_function_section
288         to get the new section.
289         * dwarf2out.c (output_line_info): Use in_cold_section_p to
290         determine whether we are assembling hot or cold code.
291         (secname_for_decl, dwarf2out_var_location): Likewise.
292         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
293         * varasm.c (last_text_section): Delete.
294         (in_cold_section_p): New variable.
295         (hot_function_section): New function.
296         (current_function_section): Pass in_cold_section_p as the
297         reloc argument to select_section.  Use it to decide between
298         unlikely_function_section and hot_function_section.
299         (assemble_start_function): Use switch_to_section.  Set
300         in_cold_section_p instead of last_text_section.
301         (assemble_end_function): Use switch_to_section.
302         (switch_to_section): Don't set last_text_section.
303         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
304         argument to make the right choice between hot and cold sections.
305
306 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
307
308         Second part of MS1->MT renaming
309         * config/mt/mt.md (doloop_end): Call mt_add_loop.
310         (movqi, movhi): Call mt_set_memflags.
311         (*movdf_internal): Call mt_split_words. 
312         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
313         mt_set_memflags.
314         (cmpsi): Store to mt_compare_op[01].
315         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
316         bungt, bunle, bunlt): Call mt_emit_cbranch.
317         (prologue): Call mt_expand_prologue.
318         (epilogu): Call mt_expend_epilogue.
319         (eh_return): Call mt_expand_eh_return.
320         (eh_epilogue): Call me_emit_eh_epilogue.
321         (conditional_trap): Store to mt_compare_op[01].
322         * config/mt/crti.asm: Adjust comment.
323         * config/mt/crtn.asm: Adjust comment.
324         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
325         (mt_compare_op0, mt_compare_op1): Renamed.
326         (current_frame_info, zero_frame_info): Adjust type.
327         (mt_ucmpsi3_libcall): Renamed.
328         (mt_flag_delayed_branch): Renamed.
329         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
330         (mt_nops_required, mt_nop_reasons): Renamed.
331         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
332         mt_debug_stack, mt_print_operand_simple_address,
333         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
334         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
335         mt_function_arg_advance, mt_arg_partial_bytes,
336         mt_pass_by_reference, mt_function_arg_boundary,
337         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
338         mt_legitimate_address_p): Renamed, adjusted.
339         (mt_cpu): Renamed.
340         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
341         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
342         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
343         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
344         mt_expand_eh_return, mt_emit_eh_prologue,
345         mt_handl_interrupt_attribute): Renamed, adjusted.
346         (mt_attribute_table): Renamed, adjusted.
347         (mt_initial_elimination_offset, mt_generate_compare,
348         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
349         mt_secondary_reload_class, mt_function_value, mt_split_words,
350         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
351         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
352         (mt_labels): Renamed.
353         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
354         mt_machine_reorg): Renamed, adjusted.
355         (mt_attribute_table: Renamed.
356         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
357         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
358         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
359         * config/mt/mt.opt (march): Set mt_cpu_string.
360         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
361         (TARGET_CPU_CPP_BUILTINS): Adjust.
362         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
363         TARGET_MS2): Adjust.
364         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
365         (MT_MIN_INT): Renamed.
366         (RETURN_ADDR_RTX): Adjust.
367         (struct mt_frame_info): Renamed.
368         (current_frame_info): Adjust type.
369         (INITIAL_ELIMINATION_OFFSET): Adjust.
370         (MT_NUM_ARG_REGS): Renamed.
371         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
372         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
373         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
374         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
375         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
376         (mt_compare_op0, mt_compare_op1): Renamed.
377         * config/mt/mt-protos.h: Rename prototypes.
378
379 2005-12-15  Richard Guenther  <rguenther@suse.de>
380
381         * tree-flow.h (okay_component_ref_for_subvars): Remove.
382         (get_ref_base_and_extent): Declare.
383         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
384         (get_ref_base_and_extent): New function.
385         * tree-ssa-alias.c (find_used_portions): Use it.
386         * tree-ssa-structalias.c (get_constraint_for_component_ref):
387         Likewise.
388         * tree-ssa-operands.c (get_expr_operands): Likewise.
389
390 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
391
392         * combine.c: Remove force_to_mode's fourth parameter.
393         (force_to_mode): Do not handle REG.
394         (canon_reg_for_combine): New.
395         (make_field_assignment): Use it where the removed argument was non-NULL.
396
397 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
398
399         PR target/25406
400         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
401         error_mark_node.  Make alignment params unsigned.
402         * config/rs6000/rs6000-protos.h
403         (rs6000_special_round_type_align): Update prototype.
404         (rs6000_machopic_legitimize_pic_address): Remove arg names.
405
406 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
407
408         PR rtl-optimization/25310
409         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
410         of the eliminable register when substituting into a PLUS.
411
412 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
413
414         PR debug/25023
415         * config/i386/i386.c (ix86_force_to_memory): Always use
416         SImode push for HImode in -m32.
417         (ix86_free_from_memory): Likewise.
418
419 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
420
421         * gcc/config/arm/arm.md: Provide a big-endian version of the
422         (zero_extend:SI (subreg:QI ...)) splitter.
423
424 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
425
426         * struct-equiv.c (note_local_live): Handle hard regs with different
427         hard_regno_nregs.
428
429 2005-12-14  Jeff Law  <law@redhat.com>
430
431         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
432         to a structure containing state rather than a pointer to bool.
433         (case ARRAY_REF): New code to handle folding some array references.
434         (case ADDR_EXPR): Note when we are processing expressions found
435         within an ADDRE_EXPR.
436         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
437         for state variables rather than just a pointer to a boolean.
438         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
439         handling of constant string references.
440
441 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
442
443         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
444         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
445         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
446         Move other tst* patterns to retain partial order.
447
448 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
449
450         * config/s390/s390.md ("d0", "1"): New mode attributes.
451         ("<shift>di3", "<shift>si3"): Merge.
452         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
453         ("ashrdi3", "ashrsi3"): Merge.
454         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
455         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
456         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
457         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
458         ("*ashrdi3", "*ashrsi3"): Merge.
459         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
460
461 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
462
463         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
464         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
465         ("*extendqidi2", "*extendqisi2") Merge.
466         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
467         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
468         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
469         Move some patterns to retain partial ordering.
470
471 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
472
473         * config/s390/s390.md ("atype", "length"): Rewrite.
474         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
475
476 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
477
478         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
479
480 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
481
482         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
483         PARALLELs with a mode.
484
485 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
486
487         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
488         cond_expr parameter.
489
490 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
491
492         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
493
494 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
495
496         PR bootstrap/25397:
497
498         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
499         of STACK_REGS bits.
500
501         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
502
503 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
504
505         PR target/25254
506         PR target/24188
507         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
508         DECL_P, call get_section rather than get_named_section.  Supply
509         section flags to it.
510
511 2005-12-14  Ben Elliston  <bje@au.ibm.com>
512
513         * c-common.c (c_common_truthvalue_conversion): Generalise warning
514         for addresses converted to booleans; not just function addresses.
515         * c-typeck.c (build_binary_op): Warn for address comparisons which
516         can never be NULL (eg. func == NULL or &var == NULL).
517         * common.opt (Walways-true): New option.
518         * c-opts.c (c_common_handle_option): Set it with -Wall.
519         * doc/invoke.texi: Document it.
520
521 2005-12-13  Paul Brook  <paul@codesourcery.com>
522
523         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
524         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
525
526 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
527
528         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
529         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
530
531         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
532         (EXTRA_MULTILIB_PARTS): Define.
533
534 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
535
536         PR rtl-optimization/20070 / part1
537         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
538         count_or_remove_death_notes with kill == -1.
539         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
540         registers if PROP_POST_REGSTACK is set.
541         (mark_used_reg): Likewise.
542         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
543         REG_UNUSED notes for stack regs.
544         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
545         to match rtx_equiv_p machinery.  Change caller.
546         (outgoing_edges_match): Likewise.
547         (try_crossjump_to_edge): Use struct_equiv_block_eq
548         instead of flow_find_cross_jump.
549         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
550         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
551         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
552         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
553         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
554         (insns_match_p): Update prototype.
555         (flow_find_cross_jump): Remove prototype.
556         (struct_equiv_block_eq, struct_equiv_init): Declare.
557         (rtx_equiv_p, condjump_equiv_p): Likewise.
558         * struct-equiv.c: Include reload.h.
559         (IMPOSSIBLE_MOVE_FACTOR): Define.
560         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
561         (struct_equiv_improve_checkpoint): Likewise.
562         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
563         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
564         (struct_equiv_merge, find_dying_input): Likewise.
565         (resolve_input_conflict, note_local_live): Likewise.
566         (death_notes_match_p): Change parameters and processing
567         to match rtx_equiv_p machinery.  Change caller.
568         (insns_match_p): Likewise.
569         (flow_find_cross_jump): Replace with:
570         (struct_equiv_block_eq).
571
572         Back out this change:
573         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
574           * recog.c (verify_changes): Make it static.
575           * recog.h: Remove the corresponding prototype.
576
577 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
578
579         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
580         values.
581
582 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
583
584         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
585         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
586         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
587         TARGET_MS1_64_001 appropriately.
588         (ms1_machine_reorg): Use TARGET_MS2.
589
590 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
591
592         PR debug/25023
593         PR target/25293
594         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
595         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
596         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
597         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
598         Set mode to SI, adjust constraints.
599         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
600         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
601         32-bit code.
602
603 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
604
605         * c-cppbuiltin.c (builtin_define_float_constants): Add
606         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
607         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
608         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
609         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
610         to "((double)%sL)" otherwise "%s".
611
612 2005-12-13  Paul Brook  <paul@codesourcery.com>
613
614         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
615         apcs/atpcs.
616
617 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
618
619         * tree-flow.h: Allow compilation with a C++ compiler.
620         (struct edge_prediction): Prefix all field names  with "ep_".
621         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
622         (tree_predict_edge, combine_predictions_for_bb): Likewise.
623         (remove_predictions_associated_with_edge): Likewise.
624         
625 2005-12-12  Jeff Law  <law@redhat.com>
626
627         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
628         reassociation code.
629         * passes.c (init_optimization_passes): Run reassociation again
630         after loop optimizations.
631
632 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
633
634         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
635         if necessary.
636         (optimize_stmt): Ditto.
637         (canonicalize_comparison): New function.
638         * tree-ssa-operands.c (swap_tree_operands): Make external.
639         (get_expr_operands): Stop auto-canonicalization.
640         * tree-ssa-reassoc.c: Rewrite.
641         (init_optimization_passes): 
642         * tree-flow.h (swap_tree_operands): Prototype.
643         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
644
645 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
646
647         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
648         indicate function epilogue has been output.
649         (pa_asm_output_mi_thunk): Likewise.
650         (output_deferred_plabels): Put plabels in readonly data section when
651         not generating PIC code.
652         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
653         information.  Add assert.
654         (som_output_comdat_data_section_asm_op): New function.
655         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
656         instead of output_section_asm_op for COMDAT sections.
657
658 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
659
660         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
661         Fix whitespace in vincinity of to-be-installed changes.
662         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
663         (insns_match_p): Likewise.
664
665 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
666
667         * config.gcc (ms1): Replace with ...
668         (mt): ... this.
669         * config/ms1: Rename to ...
670         * config/mt: ... here.  Rename ms1 files to mt.
671         * config/mt/mt.c: Adjust gt-mt.h #include.
672         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
673         (crti.o, crtn.o): Adjust file names.
674
675 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
676
677         * varray.h: Allow compilation with a C++ compiler.
678         (union varray_data_tag): Prefix all field names with "vdt_".
679         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
680         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
681         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
682         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
683         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
684         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
685         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
686         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
687         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
688         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
689         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
690         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
691         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
692         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
693         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
694         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
695         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
696         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
697         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
698         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
699         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
700         VARRAY_TOP_TREE_PTR): Likewise.
701         * varray.c (varray_grow): Likewise.
702         (varray_clear): Likewise.
703
704 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
705
706         PR target/25299
707         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
708         alignment to doubleword if the first field is a double array.
709         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
710
711 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
712
713         * tree-ssa-structalias.c (process_constraint): Remove code to
714         transform addressofs into scalar.
715         (create_variable_info_for): In whole-program IPA, globals don't
716         point to ANYTHING by default.
717
718 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
719
720         * timevar.def (TV_IPA_PTA): New.
721         * tree-pass.h (pass_ipa_pta): New
722         * tree-ssa-structalias.c: Include cgraph.h
723         (in_ipa_mode): New.
724         (predbitmap_obstack): New.
725         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
726         (struct constraint_stats): Add num_edges.
727         (new_var_info): Don't call bitmap_clear.
728         (struct constraint_edge): Update docs.
729         (new_constraint_edge): Remove src param.
730         (struct constraint_graph): Add zero_weight_succs,
731         zero_weight_preds.  Update docs.
732         (constraint_expr_equal): Reformat.
733         (constraint_edge_equal): Update for removal of src.
734         (constraint_edge_less): Ditto.
735         (constraint_edge_vec_find): Ditto.
736         (erase_graph_self_edge): Update for removal of src and and zero
737         weight bitmap.
738         (clear_edges_for_node): Ditto.
739         (add_graph_edge): Ditto.
740         (get_graph_weights): Ditto.
741         (allocate_graph_weights): Ditto.
742         (merge_graph_nodes): Ditto.
743         (int_add_graph_edge): Ditto.
744         (valid_graph_edge): Ditto.
745         (valid_weighted_graph_edge): Ditto.
746         (build_constraint_graph): Ditto.
747         (scc_visit): Ditto.
748         (collapse_nodes): Ditto.
749         (process_unification_queue): Ditto.
750         (topo_visit): Ditto.
751         (solve_graph): Ditto.
752         (do_structure_copy): Ditto.
753         (perform_var_substitution): Ditto.
754         Init and release obstack.
755         (handle_ptr_arith): Try to resolve directly.
756         (find_func_aliases): Don't call update_alias_info here
757         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
758         (do_sd_constraint): Add code for propagating faster.
759         Update.
760         (do_ds_constraint): Ditto.
761         (count_num_arguments): New function.
762         (create_function_info_for): Ditto.
763         (create_variable_info_for): Handle FUNCTION_DECL.
764         (intra_create_variable_infos): Use make_constraint_to_anything.
765         (init_alias_vars): Init obstacks here.
766         (need_to_solve): Handle zero weight graph changes.
767         (compute_points_to_sets): Call update_alias_info here.
768         (delete_points_to_sets): Free zero weight preds/succs here.
769         (gate_ipa_pta): New.
770         (ipa_pta_execute): New
771
772 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
773
774         * tree-ssa-structalias.c (var_anyoffset): Removed.
775         (anyoffset_tree): Ditto.
776         (anyoffset_id): Ditto.
777         (do_deref): Take vector of constraints, no return value.
778         Update to work on vector.                
779         (get_constraint_for): Ditto.
780         (get_constraint_for_component_ref): Ditto.
781         (do_structure_copy): Ditto.
782         (handle_ptr_arith): Ditto.
783         (find_func_aliases): Ditto.
784         (set_uids_in_ptset): Remove anyoffset handling.
785         (init_base_vars): Ditto.
786
787 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
788
789         PR c++/25010
790         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
791         DECL_EXTERNAL functions have no bodies.  Tidy.
792
793 2005-12-10  Andreas Schwab  <schwab@suse.de>
794
795         * except.c (switch_to_exception_section): Only define if
796         TARGET_UNWIND_INFO is not defined.
797
798 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
799
800         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
801         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
802
803 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
804
805         * output.h (init_section, fini_section): Delete.
806         * varasm.c (init_section, fini_section): Delete.
807         (init_varasm_once): Don't initialize them.
808         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
809         there are no corresponding varasm.c variables.
810
811 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
812
813         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
814         of EH_FRAME_SECTION_NAME into...
815         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
816         if it is still null.
817         * except.c (default_exception_section): Delete, moving most
818         of the code to...
819         (switch_to_exception_section): ...this new function.  Set
820         exception_section if it is still null, then switch to it.
821         (output_function_exception_table): Use switch_to_exception_section.
822         * varasm.c (exception_section, eh_frame_section): Update comments.
823         (get_section): Hoist use of SECTION_NAMED.
824         (init_varasm_once): Don't set exception_section and eh_frame_section.
825         * output.h (default_exception_section): Delete.
826         (default_eh_frame_section): Delete.
827
828 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
829
830         * config/bfin/bfin.c: Include "cgraph.h".
831         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
832         Return the reg that holds the pointer to the GOT.
833         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
834         doing stack checking.
835
836 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
837
838         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
839         recompute_tree_invarant_for_addr_expr.
840         Update uses everywhere.
841
842 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
843
844         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
845         (MULTILIB_DIRNAMES): Define.
846
847 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
848
849         PR target/25311
850         * config/s390/s390.c (struct s390_address): New field literal_pool.
851         (s390_decompose_address): Compute literal_pool field.  Do not 
852         assume register %r13 is always (and solely) used as pool base.
853         (s390_extra_constraint_str): Use literal_pool field.
854
855 2005-12-09  Thiemo Seufer  <ths@networkno.de>
856
857         * config/mips/mips.c (override_options): Don't allow too small
858         integers in FP registers.
859
860 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
861
862         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
863         targetm.binds_local_p to check for local function calls.
864
865 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
866
867         PR debug/24908
868         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
869         call_used_regs can't be used to save reg in another reg.
870
871 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
872             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
873
874         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
875         abort.
876         * except.c (output_ttype): Likewise.
877         * tree-object-size.c (collect_object_sizes_for): Likewise.
878         (check_for_plus_in_loops_1): Likewise.
879         (check_for_plus_in_loops): Likewise.
880         (compute_object_sizes): Use gcc_unreachable instead of abort.
881
882 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
883
884         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
885         (loop_end, loop_init, doloop_end): New insns.
886         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
887         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
888         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
889         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
890         * config/ms1/ms1.c: #include basic-block.h
891         (struct machine_function): Add has_loops field.
892         (ms1_add_loop): New.
893         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
894         (struct loop_info, struct loop_work): New.
895         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
896         (ms1_reorg_loops): New loop optimization.
897         (ms1_machine_reorg): Call it.
898         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
899
900 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
901
902         PR tree-optimization/25248
903         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
904         evolution_of_loop from the failed attempt.  Remove handling
905         of MULT_EXPR.
906
907 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
908
909         * tree.h (DECL_EXTERNAL): Clarify documentation.
910
911 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
912             Jakub Jelinek  <jakub@redhat.com>
913
914         PR target/25268
915         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
916         argument.  Don't drop outer ANDs.
917         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
918         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
919         prototype.
920         * config/s390/predicates.md (setmem_operand): Remove.
921         (shift_count_operand): Rename to...
922         (shift_count_or_setmem_operand): ... this.  Adjust
923         s390_decompose_shift_count caller.
924         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
925         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
926         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
927         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
928         rotl<mode>3_and, setmem_long_and): New insns.
929         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
930         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
931         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
932         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
933         of shift_count_operand.
934         (setmem_long): Use shift_count_or_setmem_operand instead of
935         setmem_operand.
936
937 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
938             Andreas Tobler  <a.tobler@schweiz.ch>
939
940         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
941         tr expression.
942
943 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
944
945         * expr.c (force_operand): Use convert_to_mode for conversions.
946
947 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
948
949         * reload.h (reg_equiv_invariant): Declare.
950         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
951         register also when reg_equiv_invariant[R] is set.
952
953 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
954             Andreas Tobler  <a.tobler@schweiz.ch>
955
956         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
957
958 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
959
960         * tree-ssa-pre.c (bitmap_set_and): New function.
961         (bitmap_set_and_compl): New function.
962         (bitmap_set_empty_p): New function.
963         (insert_extra_phis): New function.
964         (compute_avail): Use insert_extra_phis.
965
966 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
967
968         * config/s390/s390.c (s390_expand_atomic): New function.
969         Adjust comment of helper functions.
970         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
971         * config/s390/s390.md ("ATOMIC"): New code macro.
972         ("atomic"): Corresponding new code attribute.
973         ("sync_lock_test_and_set[hq]i", 
974         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
975
976 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
977
978         * config/s390/s390.c (s390_expand_mask_and_shift, 
979         struct alignment_context, init_alignment_context, 
980         s390_expand_cs_hqi): New.
981         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
982         * config/s390/s390.md ("sync_compare_and_swaphi",
983         "sync_compare_and_swapqi"): New pattern.
984
985 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
986
987         Fix PR tree-optimization/25291
988         * tree-ssa-operands.c (add_call_clobber_ops): Remove
989         redundant and crashing check.
990
991 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
992
993         PR target/25212
994         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
995         tests further when !strict && reload_in_progress.
996         (print_operand): Check that both operands of indexed address are regs.
997         (print_operand_address): Likewise.
998         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
999         (INT_REG_OK_FOR_BASE_P): Correct.
1000
1001 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1002
1003         Preparation for PR rtl-optimization/20070 / part1
1004         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1005         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1006         outgoing_edges_match.
1007         (outgoing_edges_match): Use condjump_equiv_p.
1008         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1009         into..
1010         * struct-equiv.c: New file.
1011         (death_notes_match_p) New function, broken out of insns_match_p.
1012         * Makefile.in (OBJS-common): Add struct-equiv.o.
1013         (struct-equiv.o): New target.
1014
1015 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1016
1017         * coretypes.h: Revert previous change.
1018         * config/darwin.h: Revert previous reversion.
1019         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1020
1021 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1022
1023         * coretypes.h (section): Provide dummy definition for target files.
1024         * config/darwin.h: Revert previous change.
1025
1026 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1027
1028         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1029         * configure.ac: Remove all.build and install-normal from target_list
1030         * configure: Regenerate.
1031         * Makefile.in (install): Don't depend on install-normal.
1032
1033 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1034
1035         * Makefile.in: Document the use of stamps.
1036
1037 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1038
1039         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1040         * Makefile.in: Add code to compute some dependencies on s-gtype
1041         automatically.  Remove the declaration of those dependencies.
1042
1043 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1044
1045         * gcc/reload.c (push_secondary_reload): Fix typo:
1046         s/insn_constraint/scratch_constraint/.
1047
1048 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1049
1050         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1051
1052 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1053
1054         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1055         (alpha_elf_select_rtx_section): Return the selected section rather
1056         than emitting assembly code.
1057         (alpha_write_linkage): Emit a ".link" directive directly and then
1058         set in_section to NULL.
1059         (vms_asm_out_constructor): Use switch_to_section.
1060         (vms_asm_out_destructor): Likewise.
1061         (unicosmk_output_common): Set in_section to NULL instead of calling
1062         the dummy common_section function.
1063         (unicosmk_text_section): Delete in favor of...
1064         (unicosmk_output_text_section_asm_op): ...this new function.
1065         (unicosmk_data_section): Delete in favor of...
1066         (unicosmk_output_data_section_asm_op): ...this new function.
1067         (unicosmk_init_sections): New function.
1068         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1069         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1070         the dummy ssib_section function.
1071         (unicosmk_section_buf): Delete.
1072         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1073         (unicosmk_data_section): Delete.
1074         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1075         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1076         (SECTION_FUNCTION_TEMPLATE): Delete.
1077         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1078         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1079         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1080         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1081         (TARGET_ASM_INIT_SECTIONS): Define.
1082         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1083         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1084         (link_section, literals_section): Delete.
1085         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1086         set in_section to NULL.
1087
1088         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1089         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1090         (COMMON_SECTION): Delete.
1091         (TARGET_ASM_INIT_SECTIONS): Define.
1092         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1093         the dummy common_section function.
1094         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1095         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1096         between readonly_data_section and text_section to check whether
1097         read-only data is being put in the text section.
1098         (arm_output_function_epilogue): Use switch_to_section.
1099         (arm_elf_asm_constructor): Likewise.
1100         (thumb_call_via_reg): Replace call to in_text_section with
1101         a comparison between in_section and text_section.
1102         (arm_file_end): Use switch_to_section.
1103         (aof_text_section): Delete in favor of...
1104         (aof_output_text_section_asm_op): ...this new function.
1105         (aof_data_section): Delete in favor of...
1106         (aof_output_data_section_asm_op): ...this new function.
1107         (aof_asm_init_sections): New function.
1108         (zero_init_section): Moved from config/arm/aof.h.
1109         (aof_dump_imports, aof_file_start): Use switch_to_section.
1110         * config/arm/arm.h (thumb_call_via_label): Update comment.
1111         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1112         (common_section): Delete.
1113         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1114         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1115         global switch_to_section function instead of the old port-local one.
1116         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1117         (SWITCH_TO_SECTION_FUNCTION): Delete.
1118         (drectve_section): Redefine as a macro.
1119         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1120         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1121         switch_to_section.
1122
1123         * config/avr/avr.c (progmem_section): New variable.
1124         (avr_output_progmem_section_asm_op): New function.
1125         (avr_asm_init_sections): New function.
1126         (avr_output_addr_vec_elt): Use switch_to_section.
1127         * config/avr/avr.h (progmem_section): Declare.
1128         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1129         (READONLY_DATA_SECTION): Delete.
1130         (TARGET_ASM_INIT_SECTIONS): Define.
1131         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1132         * config/avr/avr-protos.h (progmem_section): Delete.
1133
1134         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1135
1136         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1137         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1138
1139         * config/darwin-sections.def: New file.
1140         * config/darwin.c: Define all sections in darwin-sections.def.
1141         (output_objc_section_asm_op, darwin_init_sections): New functions.
1142         (machopic_output_indirection): Use switch_to_section.
1143         (machopic_select_section): Return the selected section rather than
1144         emitting assembly code.  Replace the static function table with
1145         inline conditional expressions.  Update the tests of last_text_section
1146         and move them into the FUNCTION_DECL block.
1147         (machopic_select_rtx_section): Return the selected section rather than
1148         emitting assembly code.
1149         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1150         (darwin_file_end): Use switch_to_section.
1151         * config/darwin.h: Use darwin-sections.def to declare sections.
1152         (INIT_SECTION_ASM_OP): Remove empty definition.
1153         (HAS_INIT_SECTION): Define this instead.
1154         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1155         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1156         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1157         (TARGET_ASM_INIT_SECTIONS): Define.
1158         * config/darwin-protos.h (darwin_init_sections): Declare.
1159         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1160         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1161         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1162         (constructor_section, destructor_section, mod_init_section): Delete.
1163         (mod_term_section): Delete.
1164         (darwin_exception_section, darwin_eh_frame_section): Delete.
1165         (machopic_select_section): Return a section.
1166         (machopic_select_rtx_section): Likewise.
1167         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1168         (const_section, const_coal_section, const_data_section): Delete.
1169         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1170         (literal4_section, literal8_section, constructor_section): Delete.
1171         (mod_init_section, mod_term_section, destructor_section): Delete.
1172         (objc_class_section, objc_meta_class_section, objc_category_section)
1173         (objc_class_vars_section, objc_instance_vars_section): Delete.
1174         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1175         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1176         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1177         (objc_symbols_section, objc_module_info_section): Delete.
1178         (objc_image_info_section, objc_protocol_section): Delete.
1179         (objc_string_object_section, objc_constant_string_object_section)
1180         (objc_class_names_section, objc_meth_var_names_section): Delete.
1181         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1182         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1183         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1184         (darwin_exception_section, darwin_eh_frame_section): Delete.
1185         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1186
1187         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1188         (frv_asm_out_destructor): Likewise.
1189         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1190         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1191         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1192         get_named_section.
1193         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1194         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1195         (data_section): Delete.
1196
1197         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1198         (DRECTVE_SECTION_FUNCTION): Delete.
1199         (drectve_section): Redefine as a macro that sets in_section after
1200         emitting the directive.
1201         (SWITCH_TO_SECTION_FUNCTION): Delete.
1202         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1203         in_text_section with comparison between in_section and text_section.
1204         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1205         rather than emitting assembly code.  Use get_named_section.
1206         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1207         get_named_section.
1208         (machopic_output_stub): Use switch_to_section.
1209         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1210         (nwld_named_section_asm_out_destructor): Use get_section and
1211         switch_to_section.
1212
1213         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1214         rather than emitting assembly code.
1215         (ia64_rwreloc_select_section): Likewise.
1216         (ia64_rwreloc_select_rtx_section): Likewise.
1217         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1218         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1219         switch_to_section.
1220         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1221         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1222
1223         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1224         section rather than emitting assembly code.
1225         (iq2000_select_section): Likewise.
1226         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1227         (sbss_section): Delete.
1228
1229         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1230         and get_named_section.
1231         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1232
1233         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1234         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1235         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1236         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1237         in_section to NULL.
1238         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1239         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1240         global switch_to_section function instead of the old port-local one.
1241         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1242         (SWITCH_SECTION_FUNCTION): Delete.
1243         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1244         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1245         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1246         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1247         in_section to NULL.
1248         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1249         global switch_to_section function instead of the old port-local one.
1250         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1251
1252         * config/mips/mips.c (mips_file_start): Update comment.
1253         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1254         (mips_output_aligned_decl_common): Use switch_to_section.
1255         (mips_select_rtx_section): Return the section rather than emitting
1256         assembly code.  Use get_named_section.
1257         (mips_function_rodata_section: Likewise get_section.
1258         (build_mips16_function_stub): Use switch_to_section.
1259         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1260         (SDATA_SECTION_ASM_OP): Delete.
1261         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1262         (EXTRA_SECTION_FUNCTIONS): Delete.
1263
1264         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1265         (mmix_asm_output_aligned_local): Use switch_to_section.
1266
1267         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1268         (som_one_only_readonly_data_section): New variables.
1269         (pa_output_function_epilogue): Set in_section to NULL instead of
1270         calling forget_section.
1271         (output_deferred_plabels): Use select_section.
1272         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1273         of calling forget_section.
1274         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1275         (pa_asm_output_aligned_local): Use select_section.
1276         (som_text_section_asm_op): Delete in favor of...
1277         (som_output_text_section_asm_op): ...this new function.
1278         (pa_som_asm_init_sections): New function.
1279         (pa_select_section): Return the section rather than emitting
1280         assembly code.
1281         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1282         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1283         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1284         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1285         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1286         (som_readonly_data_section, som_one_only_readonly_data_section)
1287         (som_one_only_data_section, forget_section): Delete.
1288         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1289         (TARGET_ASM_INIT_SECTIONS): Define.
1290         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1291
1292         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1293         (private_data_section, read_only_private_data_section): New variables.
1294         (sdata2_section, toc_section): New variables.
1295         (rs6000_file_start): Use switch_to_section.
1296         (rs6000_assemble_integer): Use comparisons against in_section
1297         instead of calling in_toc_section and in_text_section.  Use
1298         unlikely_text_section_p.
1299         (rs6000_elf_output_toc_section_asm_op): New function, derived
1300         from the old rs6000/sysv4.h toc_section function.
1301         (rs6000_elf_asm_init_sections): New function.
1302         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1303         the section rather than emitting assembly code.
1304         (machopic_output_stub): Use switch_to_section.
1305         (toc_section): Delete dummy function.
1306         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1307         switch_to_section and get_section.
1308         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1309         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1310         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1311         the old rs6000/xcoff.h toc_section function.
1312         (rs6000_xcoff_asm_init_sections): New function.
1313         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1314         the section rather than emitting assembly code.
1315         (rs6000_xcoff_file_start): Use switch_to_section.
1316         (rs6000_xcoff_file_end): Likewise.
1317         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1318         (sdata2_section, sbss_section, private_data_section): Delete.
1319         (read_only_data_section, read_only_private_data_section): Delete.
1320         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1321         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1322         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1323         (FINI_SECTION_FUNCTION): Delete.
1324         (TARGET_ASM_INIT_SECTIONS): Define.
1325         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1326         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1327         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1328         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1329         (READONLY_DATA_SECTION): Delete.
1330         (TARGET_ASM_INIT_SECTIONS): Define.
1331         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1332         to NULL rather than no_section.
1333         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1334
1335         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1336
1337         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1338         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1339         from call to current_function_section.
1340
1341         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1342         (bss100_section): New variable.
1343         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1344         (xstormy16_asm_init_sections): New function.
1345         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1346         switch_to_section and get_section.
1347         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1348         from calls to current_function_section.
1349         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1350         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1351         (TARGET_ASM_INIT_SECTIONS): Define.
1352         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1353
1354         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1355         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1356         (FINI_SECTION_FUNCTION): Delete.
1357
1358         * config/v850/v850.c: Include gt-v850.h.
1359         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1360         (zbss_section): New variables.
1361         (v850_output_aligned_bss): Use switch_to_section.
1362         (v850_asm_init_sections): New function.
1363         (v850_select_section): Return the section rather than emitting
1364         assembly code.
1365         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1366         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1367         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1368         (TARGET_ASM_INIT_SECTIONS): Define.
1369         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1370         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1371         (zbss_section): Delete.
1372
1373         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1374
1375         * config/vx-common.h (vxworks_exception_section): Delete.
1376         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1377
1378         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1379         section rather than emitting assembly code.
1380         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1381         switch_to_section.
1382
1383         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1384         * coretypes.h (section): New union and typedef.
1385         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1386         from call to current_function_section.
1387         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1388         (dbxout_symbol_location): Use switch_to_section.
1389         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1390         most of the code into...
1391         (default_eh_frame_section): ...here.  Return a section.
1392         (collect2_eh_frame_section): Delete, moving most of the code into..
1393         (switch_to_eh_frame_section): ...this new function.
1394         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1395         (debug_macinfo_section, debug_line_section, debug_loc_section)
1396         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1397         variables.
1398         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1399         eh_frame_section.  Use switch_to_section and get_section.
1400         (dwarf2out_begin_prologue): Use switch_to_section.
1401         (AT_string_form): Check the flags in debug_str_section instead of
1402         DEBUG_STR_SECTION_FLAGS.
1403         (output_comp_unit): Use switch_to_section, get_section, and
1404         debug_info_section.
1405         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1406         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1407         from call to current_function_section.
1408         (dwarf2out_var_location): Use unlikely_text_section_p.
1409         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1410         from call to current_function_section.
1411         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1412         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1413         debug_macinfo_section.
1414         (dwarf2out_init): Initialize the new section variables.  Use them
1415         instead of calls to named_section_flags.  Use switch_to_section.
1416         (output_indirect_string): Use switch_to_section and debug_str_section.
1417         (dwarf2out_finish): Use switch_to_section and the new section
1418         variables.
1419         * except.c (default_exception_section): Return the section instead
1420         of emitting assembly code.
1421         (output_function_exception_table): Use the global exception_section
1422         variable instead of the target hook.  Use switch_to_section.  Remove
1423         argument from call to current_function_section.
1424         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1425         (shorten_branches): Use pointer comparisons to detect whether the
1426         text section is the same as readonly_data_section.
1427         (profile_function): Use switch_to_section.  Remove argument from
1428         call to current_function_section.
1429         (final_scan_insn): Likewise.  Update use of last_text_section.
1430         * gengtype.c (open_base_files): Add an include of output.h.
1431         * output.h (text_section, data_section, readonly_data_section)
1432         (ctors_section, dtors_section, bss_section, init_section)
1433         (fini_section, sdata_section): Turn into section pointers.
1434         (in_text_section, in_unlikely_text_section, exports_section)
1435         (drectve_section, named_section, mergeable_string_section)
1436         (last_text_section_name): Delete.
1437         (default_exception_section, default_eh_frame_section): Return sections.
1438         (SECTION_DECLARED, SECTION_NAMED): New macros.
1439         (SECTION_MACH_DEP): Bump value.
1440         (section_common, named_section, unnamed_section): New structures.
1441         (unnamed_section_callback): New typedef.
1442         (section): New union.
1443         (sbss_section, exception_section, eh_frame_section): New variables.
1444         (in_section, last_text_section): Turn into section pointers.
1445         (get_unnamed_section, get_section, get_named_section): New functions.
1446         (mergeable_constant_section, function_section): Return a section.
1447         (unlikely_text_section): Likewise.
1448         (current_function_section): Likewise.  Remove the decl argument.
1449         (unlikely_text_section_p, switch_to_section): New functions.
1450         (output_section_asm_op): New function.
1451         (set_named_section_flags, named_section_flags, named_section_real)
1452         (named_section_first_declaration): Delete.
1453         (default_select_section, default_elf_select_section): Return a section.
1454         (default_elf_select_section_1, default_function_rodata_section)
1455         (default_no_function_rodata_section, default_select_rtx_section)
1456         (default_elf_select_rtx_section): Likewise.
1457         * rtl.h (in_data_section): Delete.
1458         * sdbout.c (sdbout_one_type): Use switch_to_section.
1459         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1460         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1461         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1462         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1463         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1464         (TARGET_ASM_OUT): Update after above changes.
1465         * target.h (init_sections): New hook.
1466         (exception_section, eh_frame_section): Delete.
1467         (select_section, select_rtx_section, function_rodata_section): Return
1468         a section rather than emitting assembly code.
1469         * varasm.c (text_section, data_section, readonly_data_section)
1470         (ctors_section, dtors_section, bss_section, init_section)
1471         (fini_section): Turn into section pointers.
1472         (sdata_section, sbss_section, exception_section): New variables.
1473         (eh_frame_section): New variable.
1474         (in_section): Make global and turn into a section pointer.
1475         (last_text_section): Turn into a section pointer.
1476         (unnamed_sections): New variable.
1477         (in_named_name, last_text_section_name): Delete.
1478         (EXTRA_SECTION_FUNCTIONS): Delete.
1479         (in_named_entry): Delete.
1480         (section_htab): New variable, replacing...
1481         (in_named_htab): ...this deleted variable.
1482         (section_entry_eq, section_entry_hash): New functions, based on...
1483         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1484         (get_unnamed_section, get_section): New functions.
1485         (unlikely_text_section): Return a section instead of emitting
1486         assembly code.
1487         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1488         (get_named_section_flags, named_section_first_declaration): Delete.
1489         (unlikely_text_section_p): New function.
1490         (named_section_real, named_section): Delete.
1491         (get_named_section): New function.
1492         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1493         (function_section): Return a section rather than emitting
1494         assembly code.
1495         (current_function_section): Likewise.  Remove argument.  Use
1496         last_text_section if nonnull, otherwise use function_section.
1497         (default_function_rodata_section): Return a section rather than
1498         emitting assembly code.  Use get_section.
1499         (default_no_function_rodata_section): Return a section rather than
1500         emitting assembly code.
1501         (variable_section): Use switch_to_section and get_named_section.
1502         (mergeable_string_section): Return a section rather than emitting
1503         assembly code.  Use get_section.  Make static.  Don't take special
1504         countermeasures for empty strings.
1505         (mergeable_constant_section): Return a section rather than emitting
1506         assembly code.  Use get_section.
1507         (default_named_section_asm_out_destructor): Use switch_to_section
1508         and get_section.
1509         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1510         (default_named_section_asm_out_constructor): Use switch_to_section
1511         and get_section.
1512         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1513         (assemble_start_function): Likewise.  Set last_text_section to
1514         NULL rather than no_section.  Change the type of save_section.
1515         (assemble_zeros, assemble_variable): Use the section flags to detect
1516         whether or not a section is text.
1517         (assemble_static_space): Use switch_to_section.
1518         (assemble_trampoline_template): Likewise.
1519         (output_constant_def_contents): Use switch_to_section and
1520         get_named_section.
1521         (output_constant_pool_1): Use switch_to_section.  Use the section
1522         flags to see whether sections contain mergeable data.
1523         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1524         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1525         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1526         whether a section has already been declared.
1527         (default_select_section, default_elf_select_section): Return a
1528         section rather than emitting assembly code.
1529         (default_elf_select_section_1): Likewise.  Use bss_section for
1530         SECCAT_BSS if nonnull.  Use get_named_section.
1531         (default_select_rtx_section): Return a section rather than
1532         emitting assembly code.
1533         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1534         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1535         (output_section_asm_op, switch_to_section): New functions.
1536         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1537         get_named_section.
1538
1539         * doc/tm.texi: Expand the introduction to the sections documentation.
1540         (TRAMPOLINE_SECTION): Document new interface.
1541         (SDATA_SECTION_ASM_OP): Document new macro.
1542         (READONLY_DATA_SECTION): Delete.
1543         (SDATA_SECTION_ASM_OP): Document new macro.
1544         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1545         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1546         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1547         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1548         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1549
1550 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1551
1552         * gcc.c (init_gcc_specs): Match braces inside conditionally
1553         compiled strings.
1554
1555 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1556
1557         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1558
1559 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1560
1561         PR C++/24138
1562         * tree.c (integer_all_onesp): Always return true if all bits on.
1563
1564         * testsuite/g++.dg/init/array0.C: New.
1565
1566 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1567
1568         * doc/md.texi: Adapt to implementation.
1569
1570 2005-12-06  Andreas Schwab  <schwab@suse.de>
1571
1572         * opts.c (decode_options): Fix typo in message.
1573
1574 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1575
1576         PR other/13873
1577         * longlong.h: Merge PPC tests from upstream.
1578
1579 2005-12-06  Richard Guenther  <rguenther@suse.de>
1580
1581         * fold-const.c (fold_convert): Do not build and fold
1582         CONVERT_EXPR, but always use NOP_EXPR.
1583
1584 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1585
1586         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1587         __builtin_ia32_paddq and __builtin_ia32_subq.
1588         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1589         __builtin_ia32_pshufw.
1590         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1591
1592 2005-12-05  James E Wilson  <wilson@specifix.com>
1593
1594         PR target/24934
1595         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1596         is set.
1597
1598 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1599         
1600         * print-tree.c (print_node): Ditto.
1601         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1602         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1603         before accessing DECL_ARTIFICIAL. 
1604         Handle new tag tree codes.
1605         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1606         changes.
1607         (unmodifiable_var_p): Ditto.
1608         * tree-flow.h (mem_tag_kind): Remove.
1609         (struct var_ann_d): Remove mem_tag_kind member.
1610         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1611         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1612         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1613         (group_aliases): Ditto.
1614         (setup_pointers_and_addressables): Ditto.
1615         (is_escape_site): Ditto.                                          
1616         (may_alias_p): Ditto.
1617         (create_tag_raw): New function.
1618         (create_memory_tag): Use it.
1619         (dump_alias_info): Update for tags.
1620         (may_be_aliased): Ditto.
1621         (add_type_alias): Ditto.
1622         (new_type_alias): Ditto.
1623         (create_sft): Ditto.
1624         (create_structure_vars): Ditto.
1625         * tree-ssa-ccp.c (get_default_value): Ditto.
1626         * tree-ssa-operands.c (get_expr_operands): Ditto.
1627         (add_stmt_operand): Ditto.
1628         (add_call_clobber_ops): Remove duplicated condition.
1629         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1630         tags.
1631         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1632         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1633         * tree.c (init_ttree): Update structures for new tree codes.
1634         (tree_code_size): Update sizes for new tree codes.
1635         (make_node_stat): Don't try to set common things on minimal
1636         structures.
1637         (tree_node_structure): Update for tags.
1638         (is_global_var): Ditto.
1639         * tree.def: Add new tree codes.
1640         * tree.h (MTAG_P): New macro.
1641         (TREE_MEMORY_TAG_CHECK): Ditto.
1642         (SSA_VAR_P): Update for tags.
1643         (struct tree_memory_tag): New structure.
1644         (MTAG_GLOBAL): New macro.
1645         (union tree_node): Add memory tag member.
1646         * treestruct.def (TS_MEMORY_TAG): New.
1647         
1648 2005-12-05  Dale Johannesen  <dalej@apple.com>
1649
1650         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1651         what was approved (PR 24323).
1652
1653 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1654
1655         * doc/c-tree.texi (Function Bodies): Remove description of
1656         RETURN_INIT.
1657
1658 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1659
1660         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1661         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1662         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1663         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1664         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1665         __divxc3): Document.
1666
1667 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1668
1669         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1670         previous behaviour.
1671         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1672         hook_bool_void_false.
1673         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1674         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1675
1676         * config/darwin.c (machopic_select_section): It's not defined
1677         as weak if it's only marked as weak_import.
1678         
1679         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1680         Prototype.
1681
1682         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1683         A hidden weak object does bind locally.  Strong linkonce data
1684         counts like any other strong symbol for binding.
1685         (weak_finish_1): Don't specially handle weakrefs, they no longer
1686         arrive here.
1687         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1688         * c-common.c (handle_alias_attribute): Allow static aliases
1689         of variables.
1690         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1691         * gthr-dce.h: Make weakrefs static.
1692         * gthr-tpf.h: Likewise.
1693         * gthr-solaris.h: Likewise.
1694         * gthr-posix.h: Likewise.
1695         * gthr-posix95.h: Likewise.
1696         * config/darwin.c (darwin_encode_section_info): static weakref
1697         variables are not necessarily defined in this translation unit.
1698         * doc/extend.texi (Function Attributes): Mention that an alias
1699         attribute creates a definition for the thing it's attached to.
1700         Change the documentation for weakref to say that the thing
1701         it's attached to must be static.
1702
1703         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1704         we don't go into an infinite loop.
1705
1706 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1707
1708         * config/rs6000/predicates.md (logical_const_operand): Split
1709         out of logical_operand.
1710         (logical_operand): Use it.
1711         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1712         logical_const_operand.
1713
1714 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1715
1716         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1717         and IX86_BUILTIN_CMPNESS.
1718         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1719         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1720         * config/i386/i386.md (movti_internal): Correct type attribute.
1721         Simplify mode attribute.
1722         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1723         Correct type attribute.
1724         (absxf2): Correct operator.
1725         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1726         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1727         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1728         mode attribute.
1729         (sse2_vmsqrtv2df2): Correct mode attribute.
1730
1731 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1732
1733         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1734         16 bits. Provide insn pattern for this case.
1735
1736 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1737
1738         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1739         result.
1740         (__popcountDI2): Likewise.
1741
1742 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1743
1744         PR target/25166
1745         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1746         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1747         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1748         functions.
1749
1750 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1751
1752         * c-typeck.c (null_pointer_constant_p): New function.
1753         (build_conditional_expr, build_c_cast, convert_for_assignment,
1754         build_binary_op): Use it.
1755
1756 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1757
1758         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1759         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1760         CONVERT_EXPR.
1761         (check_function_arguments_recurse): Allow both NOP_EXPR and
1762         CONVERT_EXPR but check conversions preserve precision.
1763         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1764         but check conversions preserve precision.
1765         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1766         default case.
1767
1768 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1769
1770         PR c/7776
1771         * common.opt (Wstring-literal-comparison): New command line option.
1772         * c-opts.c (c_common_handle_option): Set it with -Wall.
1773         * c-typeck.c (parser_build_binary_op): Issue warning if either
1774         operand of a comparison operator is a string literal, except for
1775         testing equality or inequality against NULL.
1776
1777         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1778
1779 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1780
1781         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1782         of building a NOP_EXPR.
1783         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1784         NOP_EXPR.
1785         * c-convert.c (convert): Use fold_convert instead of building
1786         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1787         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1788         #if 0 code.
1789         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1790         NOP_EXPR the same as CONVERT_EXPR.
1791         * c-typeck.c (build_function_call): Use fold_convert instead of
1792         building a NOP_EXPR directly.
1793         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1794
1795 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1796
1797         PR rtl-optimization/25197
1798         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1799         have a reg.
1800
1801 2005-12-02  Stuart Hastings  <stuart@apple.com>
1802
1803         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1804         warning.
1805
1806 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1807
1808         * c-typeck.c (default_function_array_conversion,
1809         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1810         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1811         orig_op2.  Don't check them for NOP_EXPR.
1812         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1813         around integer zero.
1814
1815 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1816
1817         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1818         toc_save_offset, toc_size, lr_size.
1819         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1820         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1821         Adjust for removal of unused rs6000_stack_t fields.
1822         (debug_stack_info): Adjust.
1823         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1824         first, and don't bother checking for set/inc of lr on sibcalls.
1825         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1826
1827 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1828
1829         PR target/25199
1830         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1831         5 if operand 1 is not aligned.  Undo previous constraint change.
1832         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1833
1834 2005-12-02  Richard Guenther  <rguenther@suse.de>
1835
1836         * tree.h (build): Remove prototype.
1837         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1838         * tree.c (build): Remove.
1839         (build0_stat): Update comment.
1840
1841 2005-12-02  Richard Guenther  <rguenther@suse.de>
1842
1843         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1844         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1845         Likewise.
1846         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1847         maybe_fold_offset_to_component_ref): Likewise.
1848         * tree-ssa-dom.c (thread_across_edge,
1849         simplify_rhs_and_lookup_avail_expr,
1850         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1851         Likewise.
1852         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1853         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1854         lower_try_finally_switch): Likewise.
1855         * tree-if-conv.c (add_to_dst_predicate_list,
1856         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1857         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1858         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1859         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1860         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1861         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1862         gimplify_init_ctor_eval, gimplify_init_constructor,
1863         gimplify_variable_sized_compare, gimplify_boolean_expr,
1864         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1865         gimplify_expr, gimplify_body, gimplify_function_tree,
1866         force_gimple_operand): Likewise.
1867         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1868         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1869         mx_register_decls): Likewise.
1870         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1871         get_frame_field, finalize_nesting_tree_1): Likewise.
1872         * tree-inline.c (setup_one_parameter): Likewise.
1873         * tree-vect-transform.c (vectorizable_condition): Likewise.
1874         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1875         Likewise.
1876         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1877         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1878         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1879         * tree-chrec.h (build_polynomial_chrec): Likewise.
1880
1881 2005-12-02  Richard Guenther  <rguenther@suse.de>
1882
1883         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1884         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1885         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1886         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1887         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1888         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1889         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1890         Likewise.
1891         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1892         sh_adjust_unroll_max): Likewise.
1893         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1894         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1895         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1896         Likewise.
1897         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1898         Likewise.
1899         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1900         Likewise.
1901
1902 2005-12-02  Richard Guenther  <rguenther@suse.de>
1903
1904         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1905         simplify_cond_using_ranges): Use buildN instead of build.
1906         * tree-tailcall.c (adjust_accumulator_values,
1907         adjust_return_value): Likewise.
1908         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1909         generate_element_copy, generate_element_zero,
1910         generate_one_element_init): Likewise.
1911         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1912         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1913         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1914         perfect_nestify): Likewise.
1915
1916 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1917
1918         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1919
1920 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1921
1922         * ggc.h (GGC_RESIZEVEC): New.
1923
1924 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1925
1926         * gcc.c (execute): Improve readability.
1927
1928 2005-12-02  Richard Guenther  <rguenther@suse.de>
1929
1930         * tree-cfg.c (mark_used_vars): New function.
1931         (dump_function_to_file): Dump only used VAR_DECLs.
1932
1933 2005-12-02  Richard Guenther  <rguenther@suse.de>
1934
1935         * convert.c (convert_to_integer): Fix compare for nonpositive
1936         constant to use tree_int_cst_sgn <= 0.
1937
1938 2005-12-02  Richard Guenther  <rguenther@suse.de>
1939
1940         * convert.c (convert_to_integer): Use fold_convert instead
1941         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1942         instead of comparing against 0.  Use build_int_cst instead
1943         of converting integer_zero_node.
1944
1945 2005-12-02  Richard Guenther  <rguenther@suse.de>
1946
1947         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1948         and RROTATE_EXPR.
1949  
1950 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1951
1952         PR target/21017
1953         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1954         rotates.
1955
1956 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1957
1958         PR middle-end/25176
1959         * function.c (expand_function_end): Emit blockage for unwinder
1960         after return label.
1961
1962 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1963
1964         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1965         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1966         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1967         integer constant comparisons.
1968
1969 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1970             Janis Johnson  <janis187@us.ibm.com>
1971             David Edelsohn  <dje@watson.ibm.com>
1972             Ben Elliston  <bje@au.ibm.com>
1973
1974         * dfp.h, dfp.c: New files.
1975         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1976         (DECNUM_H): Likewise.
1977         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1978         (INCLUDES): Append $(DECNUMINC).
1979         (OBJS-common): Add dfp.o.
1980         (dfp.o): New rule.
1981         * real.h (EXP_BITS): Pinch one bit to ..
1982         (struct real_value): Add decimal field.
1983         (real_format): Change table size, update documentation.
1984         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1985         (real_from_string3): Declare.
1986         (decimal_single_format): Declare.
1987         (decimal_double_format): Declare.
1988         (decimal_quad_format): Declare.
1989         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1990         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1991         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1992         * real.c: Include dfp.h.
1993         (normalize): Early return for decimal floats.
1994         (do_add): Zero decimal field.
1995         (do_compare): Call do_decimal_compare for decimal floats.
1996         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1997         (real_arithmetic): Call decimal_real_arithmetic for decimal
1998         floating point operands.
1999         (real_identical): If a and b are of differing radix, return false.
2000         (real_to_integer): Call decimal_real_to_integer if the value is a
2001         decimal float.
2002         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2003         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2004         (real_to_hexadecimal): Place "N/A" in the return string for
2005         decimal float.
2006         (real_from_string3): New variant, given a mode.
2007         (real_maxval): Use decimal_real_maxval for decimal floats.
2008         (round_for_format): Use decimal_round_for_format for decimals.
2009         (real_convert): Use decimal_real_convert where appropriate.
2010         (significand_size): Handle base 10.
2011         (encode_decimal_single, decode_decimal_single,
2012         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2013         decode_decimal_quad): New functions.
2014         (decimal_single_format): New.
2015         (decimal_double_format): New.
2016         (decimal_quad_format): New.
2017         * machmode.def: Add SD, DD and TD decimal floating point modes.
2018         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2019         Include MODE_DECIMAL_FLOAT.
2020         (DECIMAL_FLOAT_MODE_P): New.
2021         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2022         * genmodes.c (struct mode_data): Add counter field.
2023         (struct mode_data): Update comment for format.
2024         (blank_mode): Initialise counter field.
2025         (new_mode): Increment counter field for each mode defined.
2026         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2027         using a format.
2028         (make_complex_modes): Handle modes containing `D'.
2029         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2030         (make_decimal_float_mode): New.
2031         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2032         (cmp_modes): Compare counter field if other characteristics
2033         similar.
2034         (emit_real_format_for_mode): Support formats for decimal floats.
2035         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2036         Document MODE_DECIMAL_FLOAT.
2037
2038 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2039
2040         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2041         Delete dead code.
2042
2043 2005-12-01  Richard Henderson  <rth@redhat.com>
2044
2045         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2046
2047 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2048
2049         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2050
2051         * config/pa/pa.c (pa_init_builtins): If we detect
2052         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2053         putc_unlocked.
2054
2055 2005-12-01  Richard Guenther  <rguenther@suse.de>
2056
2057         * fold-const.c (fold_binary): Use fold_build2, not
2058         fold (build (...)).
2059
2060 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2061
2062         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2063
2064         * vec.h (VEC_block_remove): New.
2065
2066 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2067
2068         PR c/13384
2069         * c-common.c (lvalue_error): Fix wording.
2070
2071 2005-12-01  Richard Guenther  <rguenther@suse.de>
2072
2073         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2074         thinko in last patch.
2075
2076 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2077
2078         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2079         than -flat_namespace.
2080
2081 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2082
2083         * mklibgcc.in: Parameterise the script to build soft float
2084         functions by iterating over each type, rather than cloning the
2085         code for each type.
2086
2087 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2088
2089         PR middle-end/25158
2090         * builtins.c (fold_builtin_fputs): Defer check for missing
2091         replacement functions.
2092
2093 2005-11-30  Kean Johnston  <jkj@sco.com>
2094
2095         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2096         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2097
2098 2005-11-30  Richard Guenther  <rguenther@suse.de>
2099
2100         PR tree-optimization/22501
2101         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2102         function split out from ...
2103         (forward_propagate_addr_expr): ... here.  Use it to propagate
2104         ADDR_EXPRs to all uses.
2105
2106 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2107
2108         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2109         * builtins.c (expand_builtin_mathfn): Use them.
2110         (expand_builtin_mathfn_2): Likewise.
2111         (expand_builtin_mathfn_3): Likewise.
2112         (expand_builtin_int_roundingfn): Likewise.
2113         (expand_builtin): Likewise.
2114         (integer_valued_real_p): Likewise.
2115         (fold_builtin_int_roundingfn): Likewise.
2116         (fold_builtin_bitop): Likewise.
2117         (fold_builtin_logarithm): Likewise.
2118         (fold_builtin_1): Likewise.
2119         * convert.c (convert_to_integer): Likewise.
2120         * fold-const.c (negate_mathfn_p): Likewise.
2121         (tree_expr_nonnegative_p): Likewise.
2122
2123 2005-11-30  Dale Johannesen  <dalej@apple.com>
2124             Andrew Pinski  <pinskia@physics.uc.edu>
2125
2126         * combine.c (find_split_point):  Sign extend bitmask
2127         when changing bitfield assignment to IOR of AND.
2128
2129 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2130
2131         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2132         clobber to scratch reg.
2133         (*decrement_and_branch_until_zero_no_clobber): Remove.
2134         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2135         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2136         * config/ms1/ms1.opt (mmul): Remove.
2137         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2138         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2139
2140 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2141             Bernd Schmidt  <bernd.schmidt@analog.com>
2142
2143         * pa/predicates.md (symbolic_operand): Add comment.
2144         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2145         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2146         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2147         (pa_secondary_reload_class): Delete.
2148         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2149         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2150         copy of symbolic operand.
2151         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2152
2153 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2154
2155         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2156         jump.
2157
2158 2005-11-30  Jeff Law  <law@redhat.com>
2159
2160         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2161         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2162
2163 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2164
2165         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2166         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2167         (ia64_expand_move): Adjust caller.
2168
2169         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2170         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2171         negate VAL.
2172
2173 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2174
2175         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2176         Always produce an output if we can remove NEGs or canonicalize
2177         (minus (minus ...)) expressions.  Provide a fast path for the
2178         two-operand case.
2179         (simplify_gen_binary): Do not call simplify_plus_minus.
2180         (simplify_binary_operation_1): Reassociate at the end of the
2181         function.
2182
2183 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2184
2185         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2186         moves and unpack to speed up.
2187
2188 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2189
2190         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2191         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2192         (gen_v9_scc): Update callers.
2193         * config/sparc/sparc.md: Likewise.
2194         * config/sparc/sparc-protos.h: Update extern declaration.
2195
2196         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2197
2198 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2199
2200         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2201         the if.
2202
2203 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2204
2205         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2206         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2207         (negate_expr): Here.
2208
2209 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2210
2211         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2212         Fix typo in comment.
2213
2214 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2215
2216         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2217         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2218
2219 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2220
2221         PR middle-end/20109
2222         PR middle-end/25120
2223         * builtins.c (init_target_chars): New.
2224         (expand_builtin_printf, expand_builtin_fprintf,
2225         expand_builtin_sprintf, fold_builtin_sprintf,
2226         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2227         fold_builtin_snprintf_chk, fold_builtin_printf,
2228         fold_builtin_fprintf): Check for matching format strings using
2229         the target charset.
2230
2231 2005-11-29  Paul Brook  <paul@codesourcery.com>
2232
2233         * config.gcc: Do not use fixproto on m68k-elf.
2234
2235 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2236
2237         * expmed.c (div_cost): Replace with...
2238         (sdiv_cost, udiv_cost): New.
2239         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2240         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2241         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2242         (expand_divmod): Replace use of div_cost with either sdiv_cost
2243         or udiv_cost depending upon the signedness of the operation.
2244
2245 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2246
2247         PR libfortran/24991
2248         * config/darwin.c (machopic_indirection_name,
2249         machopic_output_indirection): Follow transparent alias chain.
2250
2251 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2252
2253         * varasm.c (ultimate_transparent_alias_target): Add comment.
2254
2255 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2256
2257         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2258         SET_SRC instead of XEXP where appropriate.
2259
2260 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2261
2262         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2263         __builtin_expect.
2264
2265 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2266
2267         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2268         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2269         bit at a time.
2270
2271 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2272
2273         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2274         secondary_input_reload_class, made static.  Adapt to new
2275         infrastructure.
2276         (secondary_output_reload_class): Delete.
2277         (TARGET_SECONDARY_RELOAD): New macro.
2278         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2279         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2280
2281 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2282
2283         PR c++/21166
2284         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2285         when its natural alignment is > BITS_PER_UNIT.
2286         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2287         * c-common.c (handle_packed_attribute): Ignore packing on a field
2288         whose type is naturally char aligned.
2289
2290 2005-11-28  Richard Guenther  <rguenther@suse.de>
2291
2292         * c-common.c (strict_aliasing_warning): Handle all
2293         component-ref like accesses.
2294
2295 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2296             Uros Bizjak  <uros@kss-loka.si>
2297
2298         PR middle-end/20219
2299         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2300         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2301         when flag_unsafe_math_optimizations is set and
2302         we don't care about NaNs or Infinities.
2303
2304         Move x/expN(y) and x/pow(y,z) transformation into common
2305         flag_unsafe_math_optimizations section.
2306
2307 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2308
2309         * gcc.c (main): Change type of argv to "char **".
2310
2311 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2312
2313         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2314         small data sections.
2315         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2316         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2317         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2318         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2319         output locals to sbss if !rs6000_elf_in_small_data_p.
2320         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2321
2322 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2323
2324         PR target/24997
2325         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2326         generated by reload.
2327         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2328         indexed_or_indirect_address.
2329         (indexed_or_indirect_address): Don't test for base reg.  Call
2330         address_operand last.  Make it a special predicate.
2331
2332 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2333
2334         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2335
2336 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2337
2338         PR middle-end/24575
2339         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2340         is undefined.
2341         (negate_expr): Likewise.
2342
2343 2005-11-27  Andreas Schwab  <schwab@suse.de>
2344
2345         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2346         redundant parens.
2347
2348 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2349
2350         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2351         has EH predecessor edges.
2352
2353 2005-11-26  Eric Christopher  <echristo@apple.com>
2354
2355         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2356         register stalls by zero extending to the full register.
2357
2358 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2359
2360         * config/floatunsisf.c, config/floatunsidf.c,
2361         config/floatunsixf.c, config/floatunsitf.c: New files.
2362         * config/ia64/t-hpux: Add floatunsitf.c.
2363         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2364         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2365
2366 2005-11-26  Richard Henderson  <rth@redhat.com>
2367
2368         * c-lex.c (pragma_lex): Rename from c_lex.
2369         * c-pch.c: Update for pragma_lex rename.
2370         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2371         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2372         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2373         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2374         * doc/tm.texi: Likewise.
2375
2376 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2377
2378         PR middle-end/23669
2379         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2380         when overflow is undefined.
2381
2382 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2383
2384         * doc/md.texi (Insn Canonicalizations): Refer to the
2385         function commutative_operand_precedence for further rules.
2386
2387 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2388
2389         PR middle-end/21309
2390         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2391         is less than zero.  Limit mult_cost to a reasonable upper bound for
2392         the synthetic multiplication sequence.
2393
2394 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2395
2396         PR middle-end/25022
2397         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2398         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2399         Lookup the explicit replacement functions for any unlocked
2400         stdio builtin transformations.
2401
2402 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2403
2404         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2405         earlyclobber.
2406         * targhooks.c (default_secondary_reload): Don't require operand 2
2407         for an input reload to be earlyclobber.
2408
2409 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2410
2411         * fold-const.c (negate_mathfn_p): Fix comment and add support
2412         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2413         BUILT_IN_ATANH.
2414
2415 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2416
2417         PR middle-end/24998
2418         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2419         _Q_ulltoq for unsigned conversions from SImode and DImode to
2420         TFmode.
2421
2422 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2423
2424         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2425         (__floatundidf, __floatundisf): Likewise.
2426
2427 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2428
2429         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2430         (rs6000_override_options): Remove initialization of
2431         rs6000_sr_alias_set.
2432         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2433         (rs6000_emit_stack_tie): Same.
2434         (emit_frame_save): Same.
2435         (gen_frame_mem_offset): Same.
2436         (rs6000_emit_prologue): Same.
2437         (rs6000_emit_epilogue): Same.
2438
2439 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2440
2441         PR middle-end/24989
2442         * fold-const.c (fold_build): Convert bool_var != 1 and
2443         bool_var == 0 to !bool_var.
2444
2445 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2446
2447         PR middle-end/24990
2448         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2449         for C being INTEGER_CST.  Likewise for !=.
2450
2451 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2452
2453         PR middle-end/24998
2454         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2455         unsigned conversions from SImode to TFmode.
2456
2457 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2458
2459         * expr.c (expand_expr_real_1): Fix error in last change.
2460
2461 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2462
2463         * caller-save.c: (this_insn_sets): Move into:
2464         (save_call_clobbered_regs).
2465         (mark_set_regs): Get this_insn_sets from data.
2466
2467         (save_call_clobbered_regs): Take sets of the return value by
2468         sibcalls into account.
2469
2470 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2471         PR target/21623:
2472
2473         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2474         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2475         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2476         (memory_move_secondary_cost, init_reg_autoinc): Remove
2477         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2478         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2479         secondary_reload_class call.
2480         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2481         callers.
2482         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2483         (push_secondary_reload): Use secondary_reload target hook.
2484         (secondary_reload_class, scratch_reload_class): New functions.
2485         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2486         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2487         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2488         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2489         (secondary_reload_class, scratch_reload_class): Declare.
2490         * reload1.c: Include target.h.
2491         (reload_adjust_reg_for_temp): New function.
2492         (reload_adjust_reg_for_icode): Likewise.
2493         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2494         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2495         call.
2496         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2497         for inheritance.  Support case when both secondary & tertiary reloads
2498         are for intermediate registers.
2499         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2500         with secondary_reload_class call.  Support case when both secondary
2501         & tertiary reloads are for intermediate registers.
2502         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2503         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2504         * target.h (secondary_reload_info): New struct / typedef.
2505         (struct gcc_target): New member secondary_reload.
2506         * targhooks.c Include reload.h, optabs.h and recog.h.
2507         (default_secondary_reload): New function.
2508         * targhooks.h (default_secondary_reload): Declare.
2509         * doc/tm.texi: Document secondary_reload target hook.  Update
2510         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2511         * doc/md.texi: Likewise.
2512
2513         * sh-protos.h (sh_secondary_reload): Declare.
2514         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2515         (sh_secondary_reload): New function.
2516         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2517         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2518         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2519         (HAVE_SECONDARY_RELOADS): Define.
2520         * sh.md (reload_indf): Rename to:
2521         (reload_indf__frn).
2522         (reload_outdf): Rename to:
2523         (reload_outdf__RnFRm).
2524         (reload_insf): Rename to:
2525         (reload_insf__frn).
2526         (reload_insi): Rename to:
2527         (reload_insi__i_fpul).
2528
2529 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2530
2531         * configure.ac: Require at least texinfo 4.4.
2532         * configure: Regenerate.
2533
2534         * doc/install.texi (Tools/packages necessary for building GCC):
2535         Update required version of texinfo to at least 4.4.
2536         (Installing GCC: Building): Update required version of texinfo
2537         to at least 4.4.
2538         (Installing GCC: Final installation): Update required version
2539         of texi2dvi to at least 4.4.
2540         (Host/target specific installation notes for GCC): Update required
2541         version of texinfo to at least 4.4.
2542
2543 2005-11-24  Richard Guenther  <rguenther@suse.de>
2544         Dirk Mueller <dmueller@suse.de>
2545
2546         PR c++/14024
2547         * c-common.h (strict_aliasing_warning): Declare.
2548         * c-common.c (strict_aliasing_warning): New function,
2549         split out from ...
2550         * c-typeck.c (build_c_cast): ... here.
2551
2552 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2553
2554         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2555         to order operands.
2556         (swap_commutative_operands_with_target): New.
2557
2558 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2559
2560         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2561         also when doing PRE, rather than only for global CPROP.
2562
2563 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2564
2565         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2566         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2567         formatting.
2568         (expand_twoval_unop): Likewise.
2569         (widen_clz): Likewise.
2570         (expand_parity): Likewise.
2571         (expand_unop): Likewise.
2572         (emit_cmp_and_jmp_insn_1): Likewise.
2573         (prepare_float_lib_cmp): Likewise.
2574
2575 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2576
2577         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2578         Remove unused `class' variable.
2579
2580 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2581
2582         PR c++/21667
2583         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2584         C/C++ diagnostic function warn_array_subscript_with_type_char.
2585         * c-common.h (warn_array_subscript_with_type_char): Declare.
2586         * c-common.c (warn_array_subscript_with_type_char): Define.
2587
2588 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2589
2590         PR c/21668
2591         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2592         compiling at the intersection of C and C++.
2593
2594 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2595
2596         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2597         List @file in the option summary.  Include the libiberty
2598         documentation for @file.
2599         * gcc.c (main): Call expandargv.
2600         * Makefile.in (gcc-vers.texi): Define srcdir.
2601
2602 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2603
2604         * passes.c (init_optimization_passes): Document
2605         sequencing of passes.
2606
2607 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2608
2609         * config/m68k/predicates.md (pcrel_address, extend_operator,
2610         post_inc_operand, pre_dec_operand): Remove redundant
2611         conditionals.
2612         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2613         instead of abort.
2614         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2615
2616 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2617
2618         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2619
2620 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2621
2622         Preparatory work for PR target/21623:
2623         * alpha.c (secondary_reload_class): Rename to:
2624         (alpha_secondary_reload_class).
2625         * alpha.h, alpha-protos.h: Likewise.
2626         * mn10300.c (secondary_reload_class): Rename to:
2627         (mn10300_secondary_reload_class).
2628         * mn10300.h, mn10300-protos.h: Likewise.
2629         * pa.c (secondary_reload_class): Rename to:
2630         (pa_secondary_reload_class).
2631         * pa.h, pa-protos.h: Likewise.
2632         * rs6000.c (secondary_reload_class): Rename to:
2633         rs6000_secondary_reload_class.
2634         * rs6000.h, rs6000-protos.h: Likewise.
2635
2636 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2637
2638         PR middle-end/22561
2639         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2640
2641 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2642
2643         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2644         a mode_class.
2645         (prepare_cmp_insn): Likewise.
2646
2647 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2648
2649         PR target/23435
2650         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2651         if both operands[0] and operands[1] are memory.
2652
2653 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2654
2655         PR middle-end/23606
2656         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2657         COMPARISON_CLASS_P and an integral types create create a new
2658         expression with the new type and fold that.
2659
2660 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2661
2662         PR target/24988
2663         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2664         to SUBTARGET_OS_CPP_BUILTINS.
2665
2666 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2667
2668         * arm.c (emit_set_insn): New function.
2669         (arm_split_constant): Call it.
2670         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2671         (arm_legitimize_address): Likewise.  Use plus_constant.
2672         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2673         (thumb_expand_prologue): Likewise.
2674         (arm_gen_load_multiple): Use VOIDmode in SET.
2675         (arm_gen_store_multiple): Likewise.
2676         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2677         (emit_multi_reg_push): Likewise.
2678         (emit_sfm): Use plus_constant.
2679
2680 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2681
2682         PR target/24954
2683         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2684         typo last change.
2685
2686 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2687
2688         PR middle-end/24950
2689         * expmed.c (store_bit_field): Don't attempt to insv a field
2690         larger than the reg.
2691
2692 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2693
2694         PR target/24954
2695         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2696         explicit sign extension, not a (char) cast.
2697
2698 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2699
2700         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2701         GET_MODE_CLASS (x) == MODE_FLOAT.
2702         * config/i386/i386.c: Likewise.
2703         * config/rs6000/xcoff.h: Likewise.
2704         * config/rs6000/linux64.h: Likewise.
2705         * config/rs6000/rs6000.c: Likewise.
2706         * config/rs6000/rs6000.h: Likewise.
2707         * config/rs6000/predicates.md: Likewise.
2708         * config/rs6000/sysv4.h: Likewise.
2709
2710 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2711
2712         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2713         flag_pic is set.
2714
2715         * config/alpha/freebsd.h, config/alpha/linux.h,
2716         config/arm/linux-elf.h, config/bfin/bfin.h,
2717         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2718         config/i386/beos-elf.h, config/i386/gnu.h,
2719         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2720         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2721         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2722         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2723         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2724         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2725         config/sparc/linux.h, config/sparc/linux64.h,
2726         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2727
2728         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2729         are both defined when either flag -fpic or -fPIC are used.
2730
2731 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2732
2733         * config/fp-bit.c (clzusi): New function.
2734         (si_to_float, usi_to_float): Use it to compute proper shift.
2735         (usi_to_float): Preserve guard bits when shifting right.
2736         * libgcc-std.ver (GCC_4.2.0): New version.
2737         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2738         __floatundisf): New functions.
2739         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2740         __floatundisf): Declare.
2741         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2742         _floatundixf, and _floatunditf.
2743         * optabs.c (expand_float): If target does not define a pattern for
2744         signed or unsigned conversion, use an unsigned libcall instead of
2745         a signed one.
2746         (init_optabs): Initialize ufloat_optab.
2747
2748 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2749
2750         * config/rs6000/rs6000.opt (mmulhw): New option.
2751         * doc/invoke.texi (-mmulhw): Document.
2752         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2753         for 405 and 440.
2754         * config/rs6000/rs6000.md: Add half-word multiply and
2755         multiply-accumulate instructions for 405 and 440.
2756
2757 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2758
2759         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2760         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2761         default now includes a linker group which makes the RTEMS one nest.
2762
2763 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2764
2765         * cse.c (fold_rtx): Typo fix.
2766         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2767
2768 2005-11-21  Richard Henderson  <rth@redhat.com>
2769
2770         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2771         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2772
2773         * c-tree.h (lookup_name): Move declaration ...
2774         * c-common.h (lookup_name): ... here.
2775         * config/darwin-c.c: Include c-common.h.
2776         * config/t-darwin: Update dependencies.
2777
2778 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2779
2780         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2781         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2782         * genopinit.c (gen_insn): Likewise.
2783         * reload.c (find_equiv_reg): Likewise.
2784         * loop.c (load_mems): Likewise.
2785         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2786         * cse.c (find_comparison_args, fold_rtx): Likewise.
2787         * dwarf2out.c (add_const_value_attribute): Likewise.
2788         * expr.c (convert_move): Likewise.
2789         * recog.c (general_operand, register_operand): Likewise.
2790         * reg-stack.c (replace_reg): Likewise.
2791         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2792         * c-common.c (handle_vector_size_attribute): Likewise.
2793         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2794         (simplify_binary_operation_1): Likewise.
2795         (simplify_const_binary_operation): Likewise.
2796         (simplify_relational_operation): Likewise.
2797         (simplify_const_relational_operation): Likewise.
2798         (simplify_immed_subreg): Likewise.
2799         * emit-rtl.c (gen_lowpart_common): Likewise.
2800         * expmed.c (expand_mult): Likewise.
2801         * stor-layout.c (layout_type): Likewise.
2802
2803 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2804
2805         PR target/24951
2806         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2807         cst2 only for SPE vectors.
2808
2809 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2810
2811         PR target/24953
2812         * config/rs6000/predicates.md (vrsave_operation): Check
2813         UNSPEC_VOLATILE value.
2814
2815 2005-11-21  Jan Hubicka  <jh@suse.cz>
2816
2817         PR tree-optimization/24653
2818         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2819
2820 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2821
2822         * config/i386/predicates.md (ax_reg_operand): New predicate.
2823         (memory_displacement_only_operand): New predicate.
2824         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2825         operand is AX register and the other operand is memory operand
2826         with displacement only.
2827
2828 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2829
2830         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2831         if we don't care about NaNs or Infinities.
2832
2833 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2834
2835         PR rtl-optimization/24883
2836         * combine.c (combinable_i3pat): When checking whether the
2837         destination of i3 is used in i3, consider paradoxical subregs.
2838
2839 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2840
2841         PR middle-end/20583
2842         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2843
2844 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2845
2846         * combine.c (try_combine): Do not run subst on i1src and i2src in
2847         the case of generating a PARALLEL for a comparison.
2848
2849 2005-11-20  Richard Henderson  <rth@redhat.com>
2850
2851         PR 24931
2852         * tree-sra.c (struct sra_elt): Add all_no_warning.
2853         (struct sra_walk_fns) <use>: Add use_all argument.
2854         (sra_walk_expr): Pass it.
2855         (sra_walk_modify_expr): Likewise.
2856         (scalarize_ldst): Likewise.
2857         (scan_use): Update for new argument.
2858         (mark_no_warning): New.
2859         (scalarize_use): Use it.
2860
2861 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2862
2863         * expr.c (expand_expr_real): Use usmul_optab for widening
2864         signed * unsigned multiplies.
2865         * genopinit.c (optabs): Add usmul_widen_optab.
2866         * optabs.c (init_optabs): Likewise.
2867         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2868         (usmul_widen_optab): Define.
2869         * config/bfin/bfin.md (usmulhisi3): New pattern.
2870
2871         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2872
2873 2005-11-20  Graham Stott <btinternet.com>
2874
2875         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2876
2877 2005-11-20  Andreas Schwab  <schwab@suse.de>
2878
2879         PR target/24757
2880         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2881         insn.
2882
2883 2005-11-19  Richard Henderson  <rth@redhat.com>
2884
2885         PR tree-opt/24665
2886         * tree-gimple.c (is_gimple_id): Export.
2887         * tree-gimple.h (is_gimple_id): Declare.
2888         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2889         (get_default_value): Use it.
2890         (maybe_fold_stmt_indirect): Likewise.
2891
2892 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2893
2894         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2895         than VR1 or vice-versa.
2896
2897 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2898
2899         PR middle-end/24912
2900         PR middle-end/24750
2901         * reload.c (find_reloads_address_1): Mention dependency on
2902         gen_reload.
2903         * reload1.c (gen_reload): For IN with an unary operation, try
2904         moving inner expression to OUT if trivial SET is not valid.
2905         Confirm that the result is valid.  Move common code block into...
2906         (emit_insn_if_valid_for_reload): New function.
2907
2908 2005-11-19  Richard Guenther  <rguenther@suse.de>
2909
2910         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2911         ARRAY_REFs of constant strings.
2912
2913 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2914
2915         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2916         fatal format string.
2917
2918 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2919
2920         * combine.c (make_compound_operation): Swap operands of
2921         commutative operation if necessary before returning.
2922
2923 2005-11-19  Richard Guenther  <rguenther@suse.de>
2924
2925         PR middle-end/23294
2926         * fold-const.c (fold_plusminus_mult_expr): New function.
2927         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2928         cases, remove now unnecessary code.
2929
2930 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2931
2932         * gensupport.c (old_preds): Rename to std_preds, add special field.
2933         (struct old_pred_table): Rename to struct std_pred_table, add special
2934         field.
2935         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2936         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2937         (init_predicate_table): Adjust, and set along the way whether a
2938         predicate is special.
2939
2940 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2941
2942         * BASE-VER: Change to 4.2.0.
2943
2944 2005-11-18  James E Wilson  <wilson@specifix.com>
2945
2946         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2947         returning it.
2948
2949 2005-11-18  Mike Stump  <mrs@apple.com>
2950
2951         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2952         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2953         * c-decl.c (lookup_name_two) Remove.
2954         * c-tree.h (lookup_name_two): Remove.
2955         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2956         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2957         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2958         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2959
2960 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2961
2962         PR target/24914
2963         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2964         when not generating code to use that co-processor.
2965
2966 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2967
2968         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2969         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2970         these functions are now in tree-phinodes.c.
2971
2972 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2973
2974         * config/bfin/bfin.md (trap): New pattern.
2975
2976 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2977
2978         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2979         on types.
2980
2981         * expr.c (expand_expr_real): Don't call record_block_change unless
2982         ib_boundaries_block is non-null
2983
2984         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2985
2986         * fold-const.c (build_range_check): Use proper type for subtraction
2987         when merging lower bound.
2988
2989 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2990
2991         PR rtl-optimization/24497
2992         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2993         the copied insn.
2994
2995 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2996
2997         * tree-scalar-evolution.c (expression_expensive_p): New function.
2998         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2999
3000 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3001
3002         * config/bfin/crtlibid.s: New file.
3003
3004 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3005
3006         PR target/24348
3007         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3008         when not using sjlj exceptions.
3009         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3010         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3011         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3012         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3013         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3014         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3015         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3016         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3017         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3018         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3019         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3020         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3021         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3022         defines.
3023         * config/pa/hpux-unwind.h: New file.
3024
3025 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3026
3027         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3028         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3029         * varasm.c (do_assemble_alias): Adjust call.
3030         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3031         is defined.
3032         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3033
3034 2005-11-17  James E Wilson  <wilson@specifix.com>
3035
3036         * tree.def (FUNCTION_DECL): Correct typo in comment.
3037
3038 2005-11-17  Richard Henderson  <rth@redhat.com>
3039
3040         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3041         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3042         and DW_CFA_def_cfa_sf.
3043         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3044         (dbx_reg_number): Don't assert particular registers here.
3045         (based_loc_descr): ... do it here instead.  Fold in ...
3046         (eliminate_reg_to_offset): ... this function.
3047         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3048         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3049         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3050         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3051         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3052         (instantiate_virtual_regs): Likewise.
3053         * var-tracking.c (adjust_stack_reference): Likewise.
3054         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3055
3056 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3057
3058         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3059         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3060         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3061         crtlibid.o.
3062         ($(T)crtlibid.o): New rule.
3063
3064 2005-11-16  Richard Guenther  <rguenther@suse.de>
3065
3066         PR middle-end/24851
3067         * fold-const.c (extract_array_ref): Return byte offset
3068         in all cases.
3069         (fold_binary): Fold &x[a] CMP &x[b] to
3070         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3071         behavior.
3072
3073 2005-11-16  Richard Henderson  <rth@redhat.com>
3074
3075         PR middle-end/23497
3076         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3077         parts of an SSA_NAME.
3078
3079 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3080
3081         PR target/24861
3082         * arm.md (split for movsf with immediate): Restrict split to insns
3083         that set a general register.
3084
3085 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3086
3087         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3088         uw_update_context.
3089         * unwind-dw2.c (uw_advance_context): Likewise.
3090         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3091         _Unwind_SjLj_Unregister.
3092         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3093
3094 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3095
3096         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3097
3098 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3099
3100         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3101         langhook to get a DImode integer type.
3102
3103 2005-11-16  Richard Henderson  <rth@redhat.com>
3104             J"orn Rennecke <joern.rennecke@st.com>
3105             Ulrich Weigand  <uweigand@de.ibm.com>
3106
3107         PR rtl-opt/24160
3108         PR target/24621
3109         * reload1.c (reg_equiv_invariant): New.
3110         (reload): Allocate, initialize, and free it.
3111         (calculate_needs_all_insns): Check it when skipping equivalence
3112         setting insns.
3113         (alter_reg): Likewise.
3114         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3115         may_use_invariant argument; only use reg_equiv_invariant when true.
3116         (eliminate_regs): New.
3117         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3118         a context for which may_use_invariant may be true.
3119
3120 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3121
3122         * fold-const.c (const_binop): Don't constant fold the operation
3123         if the result has overflowed and flag_trapping_math.
3124         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3125
3126 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3127
3128         * config/arm/unwind-arm.c (abort): Add prototype here.
3129         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3130         (struct phase1_vrs): Add prev_sp.
3131         (unwind_phase2_forced): Save the original core registers instead of
3132         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3133         and set action flags accordingly.  Always set _US_END_OF_STACK when
3134         get_eit_entry fails.  Unwind before calling the stop function.
3135         (_Unwind_GetCFA): New function.
3136         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3137         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3138         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3139         just call unwind_phase2_forced.
3140         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3141         * config/arm/unwind-arm.h (abort): Remove prototype.
3142         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3143         prototypes.
3144         (_Unwind_GetCFA): New prototype.
3145         * config/arm/pr-support.c (abort): Add prototype here.
3146         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3147         forced unwinding.
3148         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3149         not schedule the prologue with non-call exceptions and EABI.
3150
3151 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3152
3153         * config/arm/unwind-arm.h: Reorder interface function declarations.
3154         (_URC_END_OF_STACK): New enumeration value.
3155         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3156         (struct _Unwind_Control_Block): Document reserved field use.
3157         (_Unwind_Stop_Fn): New typedef.
3158         (_Unwind_ForcedUnwind): Declare.
3159         (_Unwind_Resume_or_Rethrow): Declare.
3160         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3161         argument.  Adjust.
3162         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3163         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3164         (UCB_FORCED_STOP_ARG): New.
3165         (search_EIT_table): Update boundary condition checks.
3166         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3167         (unwind_phase2): Replace for with do..while.
3168         (unwind_phase2_forced): New.
3169         (__gnu_Unwind_RaiseException): Replace for with do..while.
3170         (__gnu_Unwind_ForcedUnwind): New.
3171         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3172         Use appropriate phase2 unwinder.
3173         (__gnu_Unwind_Resume_or_Rethrow): New.
3174         (__gnu_unwind_pr_common): Cope with forced unwinding.
3175
3176 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3177
3178         PR target/24772
3179         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3180
3181         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3182         roundsf2): Remove "s" from mnemonic.
3183
3184 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3185
3186         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3187         __PIC__ is defined.
3188         * config/bfin/crtn.s: Change epilogues to match.
3189         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3190         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3191         __PIC__ and __pic__.
3192
3193 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3194
3195         PR 24357
3196         * doc/invoke.texi: Distinguish between free and fixed form instead of
3197         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3198         languages.
3199         * gcc.c (default_compilers): Remove double entries, add entries for
3200         suffixes '.F90' and '.F95'.
3201
3202 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3203
3204         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3205         in the stack probing loop.
3206
3207 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3208
3209         * configure.ac: Use .machine power5 not power5x.
3210         * configure: Regenerate.
3211
3212 2005-11-15  Mike Stump  <mrs@apple.com>
3213
3214         * c-decl.c (lookup_name_two): Add.
3215         * c-tree.h (lookup_name_two): Likewise.
3216         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3217         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3218
3219 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3220
3221         PR rtl-optimization/23392
3222         * regrename.c (enum scan_actions) Add mark_access.
3223         (scan_actions_name): Ditto.
3224         (scan_rtx_reg): Handle mark_access.
3225         (scan_rtx_address): Do nothing for mark_access.
3226         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3227         and regs in REG_INC notes before closing chains for dead regs.
3228         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3229         opening chains for new writes.
3230
3231 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3232
3233         * c.opt (ffixed-line-length-none): New.
3234
3235 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3236
3237         * mklibgcc.in: Change contents of eh_dummy.c.
3238
3239 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3240
3241         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3242
3243 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3244
3245         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3246         of making syscalls.
3247         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3248
3249 2005-11-15  Jan Hubicka  <jh@suse.cz>
3250
3251         * invoke.texi (large-unit-insns): Document.
3252         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3253         * params.def (large-unit-insns): New param.
3254
3255 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3256
3257         PR target/24869
3258         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3259         special register for operand 3.  Reindent constraints to align
3260         them vertically.
3261
3262 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3263
3264         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3265         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3266         * configure.ac: Add test for FP rounding instructions.
3267         * configure: Regenerate.
3268         * config.in: Regenerate.
3269         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3270         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3271         features enabled.
3272         * config/rs6000/rs6000.opt (mfprnd): New.
3273         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3274         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3275         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3276         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3277         (TARGET_FPRND): New.
3278         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3279         UNSPEC_FRIZ): New.
3280         (btrunc<mode>2): New.
3281         (ceil<mode>2): New.
3282         (floor<mode>2): New.
3283         (round<mode>2): New.
3284
3285 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3286
3287         * gcc.c (version_compare_spec_function): Use fatal() rather than
3288         abort().
3289
3290         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3291         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3292         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3293         as empty.
3294         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3295         link in crt2.o.
3296
3297         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3298         on -mmacosx-version-min setting.
3299
3300 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3301
3302         PR 24840
3303         * tree-vrp.c (infer_value_range): Return false if STMT is a
3304         block terminator and its basic block has no successors.
3305
3306 2005-11-14  Mike Stump  <mrs@apple.com>
3307
3308         * config/i386/i386.c (override_options): -masm=intel isn't
3309         supported on darwin.
3310         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3311
3312 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3313
3314         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3315         vfork after including auto-host.h.
3316
3317 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3318
3319         PR rtl-optimization/22002
3320         * combine.c (distribute_notes): Detect cases where a reg dies
3321         two or more times in a bb, including on the insn we are combining,
3322         and place the death note on the correct range.
3323
3324 2005-11-14  Dale Johannesen  <dalej@apple.com>
3325
3326         * expmed.c (store_bit_field):  Add offset unconditionally for
3327         memory targets.
3328         (extract_bit_field):  Don't force extzv or extv operand into
3329         a register if field is too big.
3330
3331 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3332
3333         * config/arm/arm.c (pic_labelno): New.
3334         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3335         LABEL_REF.  Pass only the labelno to PIC insns.
3336         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3337         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3338         * arm.md (UNSPEC_PIC_LABEL): New constant.
3339         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3340         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3341         Use the correct label prefix.
3342
3343 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3344
3345         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3346         REQ_EQUIV note.
3347
3348 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3349
3350         * loop-invariant.c: Include tm_p.h.
3351         * Makefile.in: Updated.
3352
3353 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3354
3355         * pa.c (store_reg): Revise generation of frame notes in large frames.
3356         (set_reg_plus_d): Likewise.
3357
3358 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3359
3360         PR tree-optimization/24709
3361         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3362         loop check.
3363
3364 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3365
3366         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3367         and duplicate declaration of pthread_self.
3368
3369 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3370             Ian Lance Taylor  <ian@airs.com>
3371
3372         PR middle-end/24003
3373         * calls.c (expand_call): If TARGET is a MEM and some part of the
3374         argument area has been saved, force TARGET to a register.
3375
3376 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3377
3378         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3379         checking.
3380
3381 2005-11-13  Jason Merrill  <jason@redhat.com>
3382
3383         PR c++/22489
3384         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3385         lazily declared methods.
3386         (force_decl_die): Stop if forcing out the context already make a
3387         DIE for the decl.
3388         (force_type_die): Likewise.
3389
3390 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3391
3392         PR middle-end/24820
3393         * builtins.c (integer_valued_real_p): Add break in
3394         REAL_CST having TREE_OVERFLOW set.
3395
3396 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3397
3398         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3399         addressing modes during calculation of costs.
3400
3401 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3402
3403         * function.c (assign_stack_local_1): Restrict sanity check
3404         on frame size overflow to 32-bit and above platforms.
3405
3406 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3407
3408         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3409         * config/cris/cris.c: Include reload.h.
3410         (cris_initial_elimination_offset): New function.
3411         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3412         Prototype.
3413
3414 2005-11-12  Richard Guenther  <rguenther@suse.de>
3415
3416         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3417
3418 2005-11-12  Jan Hubicka  <jh@suse.cz>
3419
3420         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3421         to compare against 0 when possible.
3422
3423 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3424
3425         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3426         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3427         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3428         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3429         in the new order.
3430
3431 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3432
3433         * recog.c (constrain_operands) <case 'g'>: For a match, require
3434         that a non-register matches general_operand when strict >= 0.
3435
3436 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3437
3438         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3439         previous checkin.
3440
3441 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3442
3443         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3444         (memory_address_same): New.
3445         (dse_optimize_stmt): Call memory_address_same.
3446
3447 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3448
3449         PR middle-end/24750
3450         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3451         ZERO_EXTEND>: New cases.
3452
3453 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3454
3455         * longlong.h (__clz_tab): Always provide.
3456
3457 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3458
3459         PR 24265
3460         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3461         can be assigned to.
3462         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3463         before check_maybe_invariant.
3464         (move_invariant_reg): Use gen_move_insn instead of replacing
3465         SET_DEST with the temporary for the invariant.
3466         (move_loop_invariants): If checking is enabled, do internal
3467         consistency checks after completing the pass.
3468
3469 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3470
3471         PR 24644
3472         * common.opt (Wvolatile-register-var): New.
3473         * varasm.c (make_decl_rtl): Only emit warning when option
3474         specified.  Clarify warning message.
3475         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3476
3477         * doc/md.texi (copysign): Document standard named pattern.
3478
3479 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3480
3481         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3482         bytes when align is 2.
3483         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3484         by the first instruction of the loop.
3485
3486 2005-11-11  Jason Merrill  <jason@redhat.com>
3487
3488         PR c++/24686
3489         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3490         the cleanup list.
3491
3492 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3493
3494         PR rtl-optimization/22509
3495         * local-alloc.c (memref_used_between_p): Check whether a function call
3496         could not reference the memref.
3497
3498 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3499
3500         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3501         algorithm so as to choose the best, not the worst, alternative.
3502         Reset accumulated register class before processing next alternative.
3503
3504 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3505
3506         PR target/24445
3507         * calls.c (expand_call): Copy a return value to a plain register
3508         if needed.
3509
3510 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3511
3512         PR target/24778
3513         * varasm.c (assemble_name): Recompute name only for transparent
3514         aliases.
3515
3516 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3517
3518         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3519
3520 2005-11-04  Jeff Law  <law@redhat.com>
3521
3522         PR middle-end/23181
3523         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3524         perform reassociation if the parent statement will not die as
3525         a result of the optimization.
3526
3527 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3528
3529         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3530         delete_old_heap_vars.
3531         * tree-dfa.c (referenced_var_remove): Remove function.
3532         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3533         (delete_tree_ssa): Remove call to delete_old_heapvars.
3534         Add call to delete_alias_heapvars.
3535         * tree-flow.h (referenced_var_remove): Remove prototype
3536         (init_alias_heapvars): New prototype.
3537         (delete_alias_heapvars): Ditto.
3538         * Makefile.in (tree-ssa-structalias.o): Add
3539         gt-tree-ssa-structalias.o
3540         (GTFILES): Add tree-ssa-structalias.h and
3541         tree-ssa-structalias.c.
3542         (s-gtype): Add gt-tree-ssa-structalias.h.
3543         * tree-ssa-structalias.c (heapvars): Remove.
3544         (oldheapvars): Remove.
3545         (heapvar_for_stmt): New variable.
3546         (heapvar_lookup): New function.
3547         (heapvar_insert): Ditto.
3548         (get_constraint_for): See if we have an old heapvar
3549         to reuse.
3550         (init_alias_heapvars): New function.
3551         (delete_alias_heapvars): Ditto.
3552         Add include of gt-tree-ssa-structalias.h.
3553
3554 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3555
3556         PR middle-end/22127
3557         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3558
3559 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3560
3561         * tree.c (int_fits_type_p): Only look at the base type
3562         if it has the same precision as the original type.
3563
3564 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3565
3566         PR other/4372
3567         * varasm.c (assemble_alias): Use %q+D in the error
3568         message instead of %J and %qD.
3569
3570 2005-11-10  Richard Guenther  <rguenther@suse.de>
3571
3572         * gcse.c (free_ldst_entry): Only free hashtable if
3573         it exists.
3574
3575 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3576
3577         * function.c (assign_stack_local_1): Issue an error message if
3578         the frame size overflows in the signed target arithmetics.
3579
3580 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3581
3582         * tree.c (build_qualified_type): Chain the new type to the original
3583         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3584         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3585         (build_pointer_type_for_mode): Only return unqualified types.
3586         (build_reference_type_for_mode): Likewise.
3587
3588 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3589
3590         * Makefile.in (gnucompare): Do comparison of all files using one of
3591         the chosen methods and only afterwards decide if just warning should
3592         be issued or comparison failure raised.
3593
3594 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3595
3596         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3597         (noce_try_abs): Negate if the comparison is reversed.
3598         Look only one instruction backwards for a REG_EQUAL note.
3599
3600 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3601
3602         PR other/4372
3603         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3604         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3605         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3606         and prefix all uses with __ghtrw.
3607
3608 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3609
3610         PR other/4372
3611         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3612         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3613         * c-common.c (handle_weakref_attribute): New.
3614         (c_common_attribute_table): Add weakref.
3615         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3616         in the assembler.
3617         * configure, config.in: Rebuilt.
3618         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3619         * doc/extend.texi: Document weakref attribute.
3620         * varasm.c (ultimate_transparent_alias_target): New
3621         (assemble_name): Use it.
3622         (weak_finish_1): Split out of...
3623         (weak_finish): ... and deal with weakrefs in...
3624         (weakref_targets): ... new list.
3625         (globalize_decl): Clean up weakref_targets.
3626         (do_assemble_alias): Handle weakrefs.
3627         (finish_aliases_1): Do not reject weakrefs to external symbols.
3628         (assemble_alias): Handle weakrefs.
3629
3630 2005-11-09  Richard Guenther  <rguenther@suse.de>
3631
3632         PR tree-optimization/24716
3633         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3634         t_bool to track results from follow_ssa_edge.
3635
3636 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3637
3638         * final.c (force_source_line): New global variable.
3639         (final_scan_insn): Set it to true instead of clearing last_filename.
3640         (notice_source_line): Return true if force_source_line is true,
3641         unless source info is absent.
3642
3643 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3644
3645         PR c/24644
3646         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3647         a linkage name for a variable if it a register variable.
3648         * c-decl.c (grokdeclarator): Global register variables
3649         should be set as PUBLIC.
3650
3651 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3652
3653         PR 24624
3654         * config/s390/s390.c (struct s390_frame_layout): New fields
3655         first_save_gpr_slot and last_save_gpr_slot.
3656         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3657         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3658         first_save_gpr and last_save_gpr with the _slot variants.
3659         (s390_register_info): Calculate first_save_gpr_slot and
3660         last_save_gpr_slot using regs_ever_live.
3661
3662 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3663
3664         PR 24623
3665         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3666         for a function containing a landing pad.
3667
3668 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3669
3670         PR 24034
3671         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3672         is live afterwards.
3673
3674 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3675
3676         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3677         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3678
3679 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3680
3681         Add ms2 support
3682         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3683         constants.
3684         (call,load,store): New insn types.
3685         (mem_access, branch_access): Adjust reservation conditions.
3686         (define_delay): Adjust condition.
3687         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3688         type.
3689         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3690         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3691         insn type.
3692         (call_internal, call_value_internal, return_internal,
3693         return_interrupt_internal, eh_return_internal, indirect_jump,
3694         tablejump): Set call insn type.
3695         (blockage, ei, di): Use appropriate unspec const.
3696         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3697         (ms1_get_attr_type): Adjust to give load & store types.
3698         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3699         backwards past a barrier.
3700         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3701         branch scheduling.
3702         (struct branch_info, struct label_info): New.
3703         (ms1_labels): New.
3704         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3705         (ms1_machine_reorg): New.
3706         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3707         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3708         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3709         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3710         (TARGET_MS2): New.
3711
3712 2005-11-09  Per Bothner  <per@bothner.com>
3713             Uros Bizjak  <uros@kss-loka.si>
3714
3715         PR c/24101
3716         * toplev.c (process_options): Initialize debug_hooks early
3717         in case lang_hooks.post_options ends up calling a debug_hook.
3718
3719 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3720
3721         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3722         DBX_REGISTER_NUMBER being contiguous.
3723
3724 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3725             Diego Novillo  <dnovillo@redhat.com>
3726
3727         PR 23046
3728         * tree-vrp.c (register_edge_assert_for): Do not register
3729         always-false predicates.
3730
3731 2005-11-08  Devang Patel <dpatel@apple.com>
3732
3733         PR tree-optimization/23115
3734         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3735         relation.
3736
3737 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3738
3739         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3740         -mcpu=440.
3741
3742 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3743
3744         Fix PR tree-optimization/23382
3745
3746         * tree-ssa-alias.c (compute_may_aliases): Call
3747         delete_old_heap_vars.
3748         * tree-dfa.c (referenced_var_remove): New function.
3749         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3750         * tree-flow.h (referenced_var_remove): Add prototype.
3751         (delete_old_heap_vars): Ditto.
3752         * tree-ssa-structalias.c (heapvars): New variable.
3753         (oldheapvars): Ditto.
3754         (get_constraint_for): Put heap vars on heapvars list.
3755         (delete_old_heap_vars): New function.
3756
3757 2005-11-08  Jason Merrill  <jason@redhat.com>
3758
3759         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3760
3761 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3762
3763         PR target/19340
3764         * reg-stack.c (reg_to_stack): Update register liveness also
3765         for flag_sched2_use_traces.
3766
3767 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3768
3769         PR target/23704
3770         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3771         override prior explicit -mno-powerpc-gfxopt.
3772
3773 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3774
3775         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3776         if the bitsize is zero.
3777         * doc/md.texi (Standard Pattern Names): Document it.
3778
3779         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3780         (TARGET_PASS_BY_REFERENCE): Likewise.
3781
3782 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3783
3784         PR rtl-optimization/24683
3785         * config/i386/i386.c (legitimize_pic_address): If constant operand
3786         to PLUS is too large, put it in a register.
3787
3788 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3789
3790         * configure.ac: Enable checking assembler dwarf2 support for bfin
3791         target.
3792         * configure: Regenerate.
3793
3794 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3795
3796         PR target/24230
3797
3798         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3799         gen_easy_vector_constant_add_self): Delete.
3800         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3801         New.
3802         (output_vec_const_move): Use gen_easy_altivec_constant.
3803         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3804         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3805         (easy_vector_constant_add_self): Rewritten.
3806         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3807         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3808         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3809         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3810         Macroize and adjust for the other changes.
3811
3812 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3813
3814         PR c/24599
3815
3816         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3817         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3818
3819 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3820
3821         PR rtl-optimization/23567
3822         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3823         (noce_process_if_block): Don't do any optimizations except
3824         if (cond) x = x; if !set_b and write into orig_x may trap
3825         or fault.  Remove the MEM_READONLY_P check.
3826
3827 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3828
3829         PR 24670
3830         * tree-vrp.c (fix_equivalence_set): New.
3831         (extract_range_from_assert): Call it.
3832
3833 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3834
3835         PR target/22432
3836         * combine.c (apply_distributive_law): Don't distribute across a
3837         vector mode subreg.
3838
3839 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3840
3841         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3842         config/ms1/ms1.h, config/rs6000/predicates.md,
3843         config/s390/s390.c, params.def, postreload-gcse.c,
3844         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3845         tree-vrp.c, tree.c: Fix comment typos.
3846         * doc/invoke.texi: Fix typos.
3847
3848 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3849
3850         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3851         for testing whether the data_dependence_relation contains distance
3852         vectors.  Iterate over all distance vectors of the ddr.
3853         * lambda.h: Define a vec of lambda_vector pointers.
3854         * tree-data-ref.c (dump_data_dependence_relation,
3855         dump_data_dependence_direction): Iterate over all distance and
3856         direction vectors of the ddr.
3857         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3858         DDR_DIST_VECTS.
3859         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3860         of distance/direction vectors instead of a single one.
3861         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3862         lambda_vectors with a vec of lambda_vectors.
3863         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3864         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3865         DDR_NUM_DIST_VECTS): New.
3866         * tree-loop-linear.c (gather_interchange_stats): Test for the
3867         existence of distance vectors only after having checked that there
3868         is a dependence.  Iterate over all distance vectors of the ddr.
3869         (linear_transform_loops): Use dump_data_dependence_relation.
3870         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3871         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3872         distance vectors of the ddr.
3873
3874 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3875
3876         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3877         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3878         IS_INTHANDLER; all callers changed.
3879         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3880         account.
3881         (do_link, do_unlink): New argument ALL; all callers changed.
3882         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3883         If function isn't leaf, save and restore all registers.
3884         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3885         exception handler.
3886
3887 2005-11-05  Jan Hubicka  <jh@suse.cz>
3888
3889         PR rtl-optimization/23490
3890         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3891         max-flow-memory-location): Document.
3892         * flow.c: Include params.h
3893         (MAX_MEM_SET_LIST_LEN): Kill.
3894         (add_to_mem_set_list): Use new param.
3895         * cse.c (cse_basic_block): Replace 1000 by new param.
3896         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3897         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3898         * predict.c (predict_loops): Use new param.
3899         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3900
3901         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3902         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3903         Do not hold memory returned by cgraph_node_name across other call.
3904
3905 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3906
3907         PR target/23424
3908         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3909         Disable.
3910
3911 2005-11-04  Jeff Law  <law@redhat.com>
3912
3913         PR/21883
3914         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3915         * tree-ssa-dom.c: Include params.h.
3916         (thread_across_edge): If there are too many statements in the
3917         target block, then do not thread through it.
3918         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3919         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3920
3921 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3922
3923         PR 24627
3924         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3925         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3926
3927 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3928
3929         PR/18595
3930         * tree-scalar-evolution.c (instantiate_parameters_1,
3931         instantiate_parameters, resolve_mixers): Compute the size of an
3932         expression to be instantiated and give up the instantiation if the
3933         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3934
3935 2005-11-04  Richard Guenther  <rguenther@suse.de>
3936
3937         * tree-flow.h (ref_contains_indirect_ref): Rename to
3938         array_ref_contains_indirect_ref.
3939         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3940         (array_ref_contains_indirect_ref): Make comment match the code
3941         and vice-versa.
3942         (ref_contains_array_ref): Likewise.
3943         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3944         ref_contains_indirect_ref.
3945         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3946         Rename calls to ref_contains_indirect_ref.
3947
3948 2005-11-04 Paul Brook  <paul@codesourcery.com>
3949
3950         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3951         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3952         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3953         * config/arm/arm.md: Use match_operand in peephole input templates
3954         and match_dup in peephole output templates.
3955
3956 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3957
3958         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3959         __aeabi_uidiv.
3960
3961 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3962             Daniel Jacobowitz  <dan@codesourcery.com>
3963
3964         * longlong.h (add_ssaaaa): Clobber condition code register
3965         in ARM version.
3966         (sub_ddmmss): Likewise.
3967         (umul_ppmm): Likewise.
3968
3969 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3970             Paul Brook  <paul@codesourcery.com>
3971             Phil Blundell  <pb@reciva.com>
3972
3973         * configure.ac: Add test for ARM TLS support.
3974         * configure: Regenerated.
3975         * config/arm/arm-protos.h (legitimize_tls_address)
3976         (arm_tls_referenced_p, tls_mentioned_p)
3977         (arm_output_addr_const_extra): New prototypes.
3978         (thumb_legitimize_pic_address): Delete.
3979         * config/arm/arm.c: Include "gt-arm.h".
3980         (enum tls_reloc): New.
3981         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3982         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3983         (arm_call_tls_get_addr, legitimize_tls_address)
3984         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3985         (arm_init_tls_builtins, arm_emit_tls_decoration)
3986         (arm_output_addr_const_extra): New functions.
3987         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3988         (TARGET_HAVE_TLS): Define.
3989         (target_thread_pointer): New.
3990         (arm_override_options): Handle -mtp=.
3991         (legitimize_pic_address): Ignore UNSPECs.
3992         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3993         relative symbols.
3994         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3995         (tls_get_addr_libfunc): New variable.
3996         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3997         (arm_init_builtins): Call arm_init_tls_builtins.
3998         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3999         (arm_encode_section_info): Call default_encode_section_info.
4000         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4001         (enum arm_tp_type): New.
4002         (target_thread_pointer): Add declaration.
4003         (LEGITIMATE_CONSTANT_P): Handle TLS.
4004         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4005         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4006         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4007         * config/arm/arm.md: Add UNSPEC_TLS.
4008         (movsi): Handle TLS.
4009         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4010         non-PIC.
4011         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4012         (load_tp_hard, load_tp_soft): New insns.
4013         * arm.opt: Add -mtp=.
4014         * doc/invoke.texi (ARM Options): Document -mtp.
4015
4016 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4017
4018         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4019         * config/arm/libunwind.S: Include "lib1funcs.asm".
4020         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4021         (LIB2ADDEH): Add libunwind.S.
4022         (LIB2ADDEHDEP): Add lib1funcs.asm.
4023         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4024
4025 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4026
4027         PR fortran/18452
4028         * gcc/c.opt: Add a -lang-fortran option.
4029         * gcc/c-opts.c: Add a lang_fortran flag.
4030         (c_common_init_options): Handling the -lang-fortran option.
4031         (c_common_handle_option): Add a case for Fortran options in
4032         preprocessing. Remove cases for -ffixed-form and
4033         -ffixed-line-length. Add a case for -lang-fortran.
4034
4035 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4036
4037         * config/rs6000/rs6000.c: Include params.h
4038         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4039         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4040         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4041         (UNSPEC_VPKUWSS): Delete.
4042         (altivec_vpkuhss): Delete.
4043         (altivec_vpkuwss): Delete.
4044         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4045         final condition.
4046         (neg_eq0<mode>): Remove final condition.
4047         (neg_eq<mode>): Remove condition and split-condition.
4048
4049 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4050
4051         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4052         Use associated print macros.
4053
4054 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4055
4056         PR c++/17964
4057         * diagnostic.c (diagnostic_set_info_translated): New function.
4058         (diagnostic_set_info): Use it.  Add comment.
4059         * diagnostic.h (diagnostic_set_info_translated): Declare.
4060
4061 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4062
4063         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4064         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4065         reference only if 'public' is true.
4066         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4067         emit the .hidden directive only if the indirect reference is public.
4068         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4069         Pass it to dw2_force_const_mem.
4070         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4071         * dwarf2out.c (output_cfi): Adjust calls to above function.
4072         (output_call_frame_info): Likewise.
4073         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4074         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4075
4076 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4077
4078         PR tree-optimization/24483
4079         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4080         field to elts if possible.
4081
4082 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4083
4084         PR middle-end/23155
4085         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4086         CONSTRUCTOR.
4087
4088 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4089
4090         Fix PR tree-optimization/24351
4091
4092         * tree-ssa-structalias.c (struct variable_info): Add
4093         collapsed_into.
4094         (get_varinfo_fc): New function to follow collapsing.
4095         (new_var_info): Set collapsed_to to NULL.
4096         (dump_constraint): Follow collapsing.
4097         (build_constraint_graph): Handle collapsing.
4098         (do_simple_structure_copy): Return false if something bad
4099         happened.
4100         (collapse_rest_of_var): New function.
4101         (do_structure_copy): Collapse if do_simple_structure_copy returns
4102         false.
4103
4104 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4105
4106         PR middle-end/24589
4107         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4108         expressions to a statement list instead of gimplifying them.
4109
4110 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4111
4112         PR rtl-optimization/23585
4113         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4114         that can't trap plus a constant integer, if the mode has zero size.
4115
4116 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4117
4118         PR target/24620
4119         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4120         as operand 2.
4121         ("*insv<mode>_reg_extimm"): Likewise.
4122
4123 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4124
4125         PR c/24329
4126         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4127         c_common_type_for_mode returns an unnamed type.
4128
4129 2005-11-02  Richard Henderson  <rth@redhat.com>
4130
4131         PR target/9350
4132         PR target/24374
4133         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4134         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4135         * function.c (assign_parms): Use calls.internal_arg_pointer.
4136         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4137         code.
4138         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4139         (TARGET_CALLS): Add it.
4140         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4141         * targhooks.c (default_internal_arg_pointer): New.
4142         * targhooks.h (default_internal_arg_pointer): Declare.
4143         * tree.h (dwarf2out_reg_save_reg): Declare.
4144         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4145         * config/i386/i386.c (dbx_register_map): Add return column.
4146         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4147         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4148         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4149         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4150         (ix86_save_reg): Save force_align_arg_pointer.
4151         (ix86_emit_save_regs): Make regno unsigned.
4152         (ix86_emit_save_regs_using_mov): Likewise.
4153         (ix86_expand_prologue): Handle force_align_arg_pointer.
4154         (ix86_expand_epilogue): Likewise.
4155         * config/i386/i386.h: (dbx_register_map): Update.
4156         (dbx64_register_map, svr4_dbx_register_map): Update.
4157         (struct machine_function): Add force_align_arg_pointer.
4158         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4159         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4160         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4161
4162 2005-11-02  Jan Hubicka  <jh@suse.cz>
4163
4164         PR target/23303
4165         * i386.md: Add peep2 for simplyfing array accesses.
4166
4167 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4168
4169         PR target/24615
4170         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4171         * config/s390/s390.c (s390_decompose_shift_count): New function.
4172         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4173         (print_shift_count_operand): Use s390_decompose_shift_count.
4174         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4175         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4176
4177 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4178
4179         PR target/24600
4180         * loop.c (loop_givs_rescan): Use force_operand to expand
4181         complex GIVs.
4182
4183 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4184
4185         PR 22429
4186         * fold-const.c (build_range_check): Use unsigned when signed
4187         overflow is undefined also.  If etype is subtype, make sure that
4188         the subtraction is in the supertype.
4189
4190 2005-11-02  Richard Henderson  <rth@redhat.com>
4191
4192         PR target/24178
4193         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4194         by MEM_ALIGN.
4195
4196 2005-11-01  Richard Henderson  <rth@redhat.com>
4197
4198         PR 21518
4199         * loop.c (scan_loop): Do not propagate computations to a hard
4200         register destination with SMALL_REGISTER_CLASSES.
4201
4202 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4203
4204         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4205         costs for MULT inside PLUS or MINUS.
4206
4207 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4208
4209         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4210         (TRAMPOLINE_SIZE): Round up to 60.
4211         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4212
4213 2005-10-31  James E. Wilson  <wilson@specifix.com>
4214
4215         PR debug/24444
4216         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4217         ifdef.  Put ifdefs around call in gen_subprogram_die.
4218         (compute_frame_pointer_to_cfa_displacement): Likewise.
4219         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4220         not defined.
4221
4222         PR rtl-optimization/17356
4223         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4224         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4225
4226 2005-10-31  Jan Hubicka  <jh@suse.cz>
4227
4228         PR middle-end/24093
4229         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4230
4231         PR target/20928
4232         * i386.c (legitimize_pic_address): Deal with large immediates.
4233
4234         PR profile/20815
4235         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4236         from symbol names while computing checkup.
4237
4238         PR profile/24487
4239         * predict.c (predict_loops): Do not estimate more than
4240         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4241         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4242
4243 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4244
4245         PR tree-optimization/19097
4246         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4247
4248 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4249
4250         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4251
4252 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4253
4254         PR middle-end/23492
4255         * tree-inline.c (setup_one_parameter): If the init_stmt
4256         is NULL, don't insert the statement.
4257
4258 2005-10-30  Jan Hubicka  <jh@suse.cz>
4259
4260         PR tree-optimization/24172
4261         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4262
4263 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4264
4265         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4266         constants for hosts with long != 32 bits.
4267
4268 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4269
4270         PR middle-end/24093
4271         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4272
4273 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4274
4275         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4276         (TARGET_MS1_16_002): New.
4277         (TARGET_MS1_16_003): New.
4278
4279         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4280         ("*decrement_and_branch_until_zero_no_clobber"): New.
4281         Add corresponding splitter for decrement_and_branch_until_zero
4282         instruction.
4283         Key all decrement_and_branch_until_zero patterns off of
4284         TARGET_MS1_16_003.
4285
4286 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4287
4288         PR middle-end/24362
4289         * tree-complex.c (extract_component): Treat RESULT_DECL
4290         like the rest of the decls.
4291
4292 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4293
4294         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4295         indirect call to _mcount if the function needs a static chain.
4296
4297 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4298             Caroline Tice  <ctice@apple.com>
4299
4300         PR rtl-optimization/24460
4301         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4302         (dwarf2out_switch_text_section): Set it to true instead of
4303         incrementing separate_line_info_table_in_use.
4304         (output_loc_list): Additionally test have_switched_text_sections.
4305         (output_ranges): Likewise.
4306         (dwarf2out_finish): Likewise.
4307         * varasm.c (assemble_start_function): Do not call
4308         insert_section_boundary_note.
4309         (assemble_end_function): If flag_reorder_blocks_and_partition,
4310         switch to the function's section before emitting the .size directive.
4311         * bb-reorder.c (insert_section_boundary_note): Staticify.
4312         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4313         * output.h (insert_section_boundary_note): Delete.
4314
4315 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4316
4317         PR c/23103
4318         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4319         instead of pointer equality when comparing types.
4320
4321 2005-10-24  James E. Wilson  <wilson@specifix.com>
4322
4323         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4324         add_dependence_list_and_free calls.
4325
4326 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4327
4328         * contrib.texi: Add the names of the LLNL folks who donated
4329         Cray pointer support for gfortran.
4330
4331 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4332
4333         PR tree-optimization/24225
4334         * profile.c (branch_prob): Look from end to start through a
4335         basic block when looking for a locus.
4336
4337 2005-10-24  Richard Henderson  <rth@redhat.com>
4338
4339         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4340         parallel.
4341         (hppa_expand_prologue): Likewise.
4342
4343 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4344
4345         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4346         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4347         * pa.h (NO_PROFILE_COUNTERS): Define.
4348         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4349         (funcdef_nos): New vector to hold label numbers of deferred profile
4350         counters.
4351         (output_deferred_profile_counters): New function.
4352         (hppa_profile_hook): Push label number onto funcdef_nos.
4353         (pa_hpux_file_end): Call output_deferred_profile_counters if
4354         NO_DEFERRED_PROFILE_COUNTERS is false.
4355
4356         * pa-protos.h (get_deferred_plabel): New prototype.
4357         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4358         Make global.
4359         (output_call): Adjust calls.
4360
4361 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4362
4363         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4364         peculiarity of GOT/TOC section usage.
4365
4366 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4367
4368         PR objc/24435
4369          * c-common.c (constant_string_class_name): Add documentation.
4370
4371 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4372
4373         PR target/23832
4374         * recog.c (peephole2_optimize): Increment peep2_current_count
4375         only when the slot is empty.
4376
4377 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4378
4379         PR ada/23957
4380         * except.c (output_function_exception_table): Call
4381         assemble_external_libcall if we need a personality function.
4382
4383 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4384
4385         PR rtl-optimization/24460
4386         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4387         set the basic block for barriers.
4388
4389 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4390
4391         * var-tracking.c (vt_initialize): Initialize post.
4392
4393 2005-10-21  Devang Patel  <dpatel@apple.com>
4394
4395         PR/24220
4396         * c-common.c (vector_types_convertible_p): Check vector element type.
4397
4398 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4399
4400         * config/sh/sh.c (prepare_move_operands): Handle the address
4401         constant which is a tls symbolic address plus a constant.
4402
4403 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4404
4405         PR driver/24473
4406         * gcc.c (main): Use the correct counter for erroring out
4407         about mulitple files.
4408
4409 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4410
4411         PR target/24465
4412         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4413         use r2 for 64-bit tls .got access.
4414
4415 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4416
4417         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4418         TRUTH_OR_EXPR.
4419
4420 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4421
4422         PR tree-optimization/24307
4423         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4424
4425 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4426
4427         PR middle-end/24295
4428         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4429         alias targets.
4430         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4431         is ready, stop marking functions, but still mark variables.
4432
4433 2005-10-20  Richard Guenther  <rguenther@suse.de>
4434
4435         PR c++/24439
4436         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4437         void type operands.
4438
4439 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4440
4441         PR rtl-optimization/23585
4442         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4443         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4444         (may_trap_p_1): New predicate extracted from...
4445         (may_trap_p): ... here.  Invoke may_trap_p_1.
4446         (may_trap_or_fault_p): New predicate.
4447         * rtl.h (may_trap_or_fault_p): Declare it.
4448         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4449         instead of may_trap_p.
4450         (steal_delay_list_from_fallthrough): Likewise.
4451         (fill_simple_delay_slots): Likewise.
4452         (fill_slots_from_thread): Likewise.
4453         * function.c (pad_to_arg_alignment): Rework comment about
4454         SPARC_STACK_BOUNDARY_HACK.
4455         * config/sparc/sparc.h: Likewise.
4456
4457 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4458
4459         * config/s390/s390.c (s390_expand_insv): New.
4460         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4461         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4462         ("icm_hi"): Remove mode attribute.
4463         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4464         Adjust all uses.
4465         ("*extracthi", "*extractqi"): Remove.
4466         (extv<mode>", "*extzv<mode>"): New.
4467         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4468         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4469
4470 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4471
4472         * cfgexpand.c (discover_nonconstant_array_refs_r,
4473         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4474         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4475         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4476         discover_nonconstant_array_refs.
4477
4478 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4479
4480         PR c/23228
4481         * c-decl.c (pop_scope): Don't warn about an unused variable
4482         if it is marked with TREE_NO_WARNING.
4483         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4484         somenow mismatch and olddecl is to be replaced.
4485
4486 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4487
4488         PR middle-end/23199
4489         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4490         whether registers live on the edge can be saved/restored.
4491
4492 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4493
4494         * config/sh/sh.c (fixup_mova): Skip notes.
4495
4496 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4497
4498         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4499         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4500         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4501         (s390_initial_elimination_offset): Likewise.
4502         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4503         register on TARGET_ZARCH targets.
4504         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4505         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4506         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4507         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4508
4509 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4510
4511         * config/s390/s390.md: Comment describing output modifiers updated.
4512         * config/s390/s390.c (print_operand): Likewise.
4513
4514 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4515
4516         * config/s390/s390.c (override_options): Added check for -mstack-size
4517         64k limitation.
4518         * doc/invoke.texi: Mention that limit in the documenation.
4519
4520 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4521
4522         PR #19672
4523         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4524
4525 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4526
4527         Fix PR tree-optimization/24231
4528
4529         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4530         (compute_avail): Ditto.
4531
4532 2005-10-18  Richard Henderson  <rth@redhat.com>
4533
4534         PR target/24428
4535         * config/i386/i386.c (legitimate_constant_p): Check
4536         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4537         if LABEL_REF.
4538         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4539         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4540         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4541         directly.
4542         (print_operand_address): Likewise.
4543         * config/i386/predicates.md (x86_64_immediate_operand): Test
4544         SYMBOL_REF_TLS_MODEL properly inside CONST.
4545         (x86_64_zext_immediate_operand): Likewise.
4546         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4547         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4548         * config/i386/i386-protos.h: Remove predicates.md entries.
4549
4550 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4551
4552         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4553         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4554
4555 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4556             Ian Lance Taylor <ian@airs.com>
4557
4558         PR middle-end/23522
4559         * fold-const.c (fold_widened_comparison): Do not allow range based
4560         constant folding when right operand cannot be unwidened.
4561
4562 2005-10-17  Richard Henderson  <rth@redhat.com>
4563
4564         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4565         with a memory clobber.
4566
4567 2005-10-17  James E Wilson  <wilson@specifix.com>
4568
4569         PR rtl-optimization/17356
4570         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4571         checking for EDGE_EH.
4572
4573 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4574
4575         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4576         the slot on an even boundary for any type with 16-byte alignment.
4577
4578 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4579
4580         PR target/23424
4581         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4582         after register allocation.
4583
4584 2005-10-17  DJ Delorie  <dj@redhat.com>
4585
4586         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4587         as frame related.
4588
4589 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4590
4591         PR c++/22551
4592         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4593         overflow flags.
4594
4595 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4596
4597         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4598         to 2 if it's already non-zero.
4599         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4600         is set and warn about it if flag_schedule_insns is 1.
4601
4602 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4603
4604         * config/crx/crx.md: Compare-and-branch instructions need to
4605         invalidate CC.
4606
4607 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4608
4609         PR target/24315
4610         * config/i386/i386.md (*pushdi2_rex64 splitter)
4611         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4612         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4613         flow2 pass only when (optimize > 0 && flag_peephole2).
4614
4615 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4616
4617         PR driver/22544
4618         * gcc.c (have_c): New static variable.
4619         (have_o): Likewise.
4620         (process_command): Remove declation of have_c.
4621         Set have_o to 1 when handling -o.
4622         (main): Add a fatel error if there are multiple
4623         files specified and -o and -c/-S is passed witout
4624         -combine or multiple languages.
4625
4626 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4627
4628         Fix PR tree-optimization/22444
4629         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4630         Assert that we don't hit something with subvars.
4631         (setup_pointers_and_addressables): Don't add things with subvars,
4632         because we'll already process the subvars for aliasing purposes.
4633
4634 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4635
4636         PR target/23424
4637         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4638         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4639         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4640         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4641         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4642         swapped, alternatives for the R constraint.
4643
4644         PR middle-end/24341
4645         * builtins.c (get_builtin_sync_mode): Make unlimited
4646         mode_for_size request.
4647
4648 2005-10-15  Richard Henderson  <rth@redhat.com>
4649
4650         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4651         (gimplify_expr): ... here.
4652         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4653         fb_lvalue in base expression.
4654
4655 2005-10-15  Richard Henderson  <rth@redhat.com>
4656
4657         PR 23714
4658         * builtins.c (expand_builtin_trap): Export.
4659         * expr.h (expand_builtin_trap): Declare.
4660         * expr.c (expand_assignment): Emit a trap for integral offsets
4661         from registers that weren't reduced to bitpos.
4662
4663         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4664         (mark_array_ref_addressable): Remove.
4665         * tree-flow.h (mark_array_ref_addressable): Remove.
4666         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4667
4668 2005-10-15  James E Wilson  <wilson@specifix.com>
4669
4670         PR target/24232
4671         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4672         (add_dependence_list_and_free): Likewise.
4673         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4674         call.
4675
4676 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4677
4678         PR 23141
4679         PR 23142
4680         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4681         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4682         anti-range.
4683         (vrp_visit_phi_node): Only prevent infinite iterations when
4684         the previous result and the new result are both VR_RANGEs.
4685
4686 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4687
4688         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4689         function comment.
4690
4691 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4692
4693         PR c/23439
4694         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4695         to initialize loc.
4696
4697 2005-10-14  Per Bothner  <per@bothner.com>
4698
4699         PR preprocessor/21250
4700         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4701
4702 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4703
4704         PR c++/22551
4705         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4706         overflow flags.  Refactor some conditionals.
4707
4708 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4709
4710         PR tree-opt/21304
4711         * tree-dfa.c (add_referenced_var): Only look at decls which
4712         have TREE_CONSTANT or TREE_READONLY set instead of if
4713         !TREE_PUBLIC or !TREE_CONSTANT.
4714
4715 2005-10-13  James E Wilson  <wilson@specifix.com>
4716
4717         * doc/invoke.texi: For -x, add f95-cpp-input.
4718         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4719
4720 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4721
4722         PR tree-optimization/24262
4723         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4724         in loop all the time.
4725
4726 2005-10-12  Richard Henderson  <rth@redhat.com>
4727
4728         PR c/24255
4729         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4730         * function.c (assign_parm_find_data_types): Don't support it.
4731         * print-tree.c (print_node): Likewise.
4732         * c-common.c (handle_transparent_union_attribute): Likewise.
4733         Use build_duplicate_type.
4734         * tree-inline.c (remap_type_1): Split out of remap_type;
4735         properly remap aggregate fields.
4736         (build_duplicate_type): New.
4737         * doc/extend.texi (Variable Attributes): Remove documentation
4738         for transparent_union.
4739
4740 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4741
4742         PR target/24284
4743         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4744         (gen_stack_pointer_dec): Likewise.
4745
4746 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4747
4748         PR middle-end/21275
4749         PR middle-end/21766
4750         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4751         target hook.
4752         (struct cxx): Add adjust_class_at_definition target hook.
4753         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4754         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4755         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4756         hook_void_tree. Add to TARGET_CXX.
4757         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4758         dllimport_flag.
4759         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4760         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4761         instead of attribute. Check for dllexport override.  Warn if
4762         inconsistent dll linkage. Don't lose old dllimport if decl has
4763         had address referenced.   Tweak lookup of dllimport atribute.
4764         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4765         for target specific rules.  Don't add dllimport attribute if
4766         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4767         dllimport attribute.
4768         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4769         * varasm.c (initializer_constant_valid_p): Replace
4770         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4771
4772         PR target/21801
4773         PR target/23589
4774         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4775         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4776         (i[34567]86-*-mingw32*): Likewise.
4777
4778         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4779         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4780
4781         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4782         C++-specific code. Change return value to bool.
4783         (i386_pe_dllimport_p): Likewise.
4784         (associated_type): Simplify and make language-independent
4785         (i386_pe_encode_section_info): Replace override of ambiguous
4786         dllimport symbol refs with a gcc_assert.
4787         (i386_pe_valid_dllimport_attribute_p): Define.
4788         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4789         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4790         i386_pe_adjust_class_at_definition.
4791         * config/i386/winnt-stubs.c: New file. Define stub versions of
4792         lang-specific functions.
4793         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4794         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4795         i386_pe_adjust_class_at_definition.
4796         (i386_pe_valid_dllimport_attribute_p): Declare.
4797         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4798         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4799         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4800
4801         PR target/19704
4802         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4803         dllimport attribute with test of DECL_DLLIMPORT_P.
4804
4805 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4806
4807         * combine.c (make_extraction): Correct offset computation.
4808
4809 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4810
4811         * config/cris/t-linux (LIMITS_H_TEST): Define.
4812
4813 2005-10-12  Richard Henderson  <rth@redhat.com>
4814
4815         PR rtl-opt/23324
4816         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4817
4818 2005-10-12  Richard Guenther  <rguenther@suse.de>
4819
4820         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4821
4822 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4823
4824         PR c++/19964
4825         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4826         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4827         type.
4828
4829 2005-10-12  Richard Guenther  <rguenther@suse.de>
4830
4831         PR c++/23799
4832         * varasm.c (output_constant): Correct typo from previous
4833         patch by DJ.
4834
4835 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4836
4837         PR rtl-optimization/13931
4838         * combine.c: Revert patch of 2003-05-14, and:
4839         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4840         completely killed in the appropriate insn.
4841         (distribute_notes): Don't skip multiple hard register test for
4842         elim_i1 and elim_i2.
4843
4844 2005-10-11  Richard Henderson  <rth@redhat.com>
4845
4846         PR c/24255
4847         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4848         to initialize a transparent union instead of a nop_expr.
4849
4850 2005-10-11  Richard Henderson  <rth@redhat.com>
4851
4852         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4853         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4854         (tree_ssa_dce_loop): Call scev_reset.
4855
4856         PR tree-opt/24300
4857         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4858         * tree-ssa-dce.c: Include cfgloop.h.
4859         (tree_ssa_dce_loop, pass_dce_loop): New.
4860         * tree-pass.h (pass_dce_loop): Declare it.
4861         * passes.c (init_optimization_passes): Use it.
4862
4863 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4864
4865         PR middle-end/24263
4866         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4867         Only apply the optimization for rounding builtins if the inner
4868         cast is also an extension.
4869
4870 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4871
4872         PR tree-opt/23946
4873         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4874         mark_new_vars_to_rename instead of update_stmt.
4875
4876 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4877
4878         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4879
4880 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4881
4882         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4883         for setting MMX register to 0 rather than mmx.
4884
4885 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4886
4887         PR target/12098
4888         * configure.ac: Move gas check from mips specific case to common case.
4889         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4890         * configure: Regenerate
4891         * doc/install.texi: Update.
4892
4893 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4894
4895         PR target/24284
4896         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4897
4898 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4899
4900         * gcc.c (do_spec_1): Accept numeric characters in file name
4901         suffixes.
4902
4903 2005-10-10  Nick Clifton  <nickc@redhat.com>
4904
4905         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4906         describing the deleted arm_gen_rotated_half_load function.
4907
4908 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4909
4910         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4911         __fpscr_values.
4912
4913 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4914
4915         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4916         gnu_ld assignments.
4917         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4918         (EXTRA_MULTILIB_PARTS): Define.
4919         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4920         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4921         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4922         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4923         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4924         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4925
4926 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4927
4928         PR tree-optimization/24226
4929         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4930         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4931         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4932         Export.
4933
4934 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4935
4936         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4937
4938 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4939
4940         PR target/24136
4941         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4942         Rewrite for no need for the early clobber.
4943
4944 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4945
4946         Merge from csl-arm-branch:
4947         2005-09-07  Paul Brook  <paul@codesourcery.com>
4948         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4949         space to string.
4950
4951         2005-04-30  Paul Brook  <paul@codesourcery.com>
4952         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4953         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4954
4955         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4956         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4957         (arm_override_options): Use TARGET_AAPCS_BASED.
4958         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4959         (PTRDIFF_TYPE): Use int for AAPCS.
4960         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4961         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4962         (DEFAULT_SHORT_ENUMS): Delete.
4963         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4964
4965         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4966         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4967         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4968         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4969
4970         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4971         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4972
4973         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4974         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4975
4976         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4977         * config.gcc (arm*-*-linux-gnueabi): Add it.
4978         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4979         redefining it.
4980         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4981         * config/arm/linux-eabi.h: New file.
4982         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4983         (LINUX_TARET_LINK_SPEC): Likewise.
4984         (LINK_SPEC): Use it.
4985         * config/arm/t-linux-eabi: New file.
4986
4987 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4988
4989         PR other/22202
4990         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4991         spaces.
4992         (PARAM_SMS_DFA_HISTORY): Likewise.
4993
4994 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4995
4996         PR middle-end/23150
4997         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4998         (load_register_parameters): Call it.
4999         (check_sibcall_argument_overlap_1): Likewise.
5000         (store_one_arg): Likewise.
5001
5002 2005-10-07  James E. Wilson  <wilson@specifix.com>
5003
5004         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5005         DImode not VECINT24 for operand 2.
5006
5007         PR target/23644
5008         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5009         -mtune-arch.
5010
5011         PR target/24193
5012         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5013         fr_spill): Use destination_operand for operand 0.
5014
5015 2005-10-07  DJ Delorie  <dj@redhat.com>
5016
5017         * varasm.c (output_constant): Limit error to expanding
5018         conversions.
5019
5020 2005-10-07  Richard Guenther  <rguenther@suse.de>
5021
5022         PR middle-end/24227
5023         * fold-const.c (fold_binary): Fix operand types during folding
5024         of X op (A, Y).  Evaluation order of the side-effects of
5025         X and A are frontend-defined, so ensure we honour that even for
5026         tcc_comparison class operands; eased by removing duplicate code.
5027
5028 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5029
5030         * stor-layout.c (layout_type): Do not allow alignment of array
5031         elements to be greater than their size.
5032
5033 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5034
5035         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5036         host_xmake_file.
5037         (hppa*-*-linux*): Ditto.
5038         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5039         * config/host-hpux.c: New.
5040         * config/x-hpux: New.
5041         * config/pa/x-hpux: Remove.
5042         * config/pa/x-linux: Remove.
5043         * config/pa/pa-host.c: Remove.
5044
5045 2005-10-07  Jeff Law  <law@redhat.com>
5046
5047         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5048         determine whether or not to try and thread outgoing edges.
5049
5050 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5051
5052         * config/rs6000/rs6000.md (eqsi_power): New.
5053         (neg_eq0si): Add TARGET_POWER to final condition.
5054         (neg_eqsi): Same.
5055
5056 2005-10-06  Richard Henderson  <rth@redhat.com>
5057
5058         * config/rs6000/rs6000.c: Revert last change.
5059
5060 2005-10-06  Richard Henderson  <rth@redhat.com>
5061
5062         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5063         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5064
5065 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5066
5067         PR middle-end/22216
5068         PR middle-end/23651
5069         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5070         out return_label and naked_return_label.
5071
5072 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5073
5074         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5075         change.
5076
5077 2005-10-06  Richard Henderson  <rth@redhat.com>
5078
5079         PR tree-opt/22237
5080         * tree-inline.c (declare_return_variable): Handle modify_dest not
5081         being a DECL.
5082
5083 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5084
5085         Fix PR tree-optimization/22488
5086         * tree-ssa-structalias.c (check_for_overlaps): New function.
5087         (create_variable_info_for): Use it.
5088
5089 2005-10-06  Richard Henderson  <rth@redhat.com>
5090
5091         PR debug/24070
5092         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5093         (dwarf2out_start_source_file): Print it.
5094
5095 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5096
5097         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5098
5099 2005-10-06  Richard Henderson  <rth@redhat.com>
5100
5101         PR 23706
5102         * mode-switching.c (optimize_mode_switching): Clear transp bit
5103         for block with incomming abnormal edges.
5104
5105         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5106         (fpscr_set_from_mem): Use them.
5107         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5108         (fpscr postinc splitters): Rewrite as peephole2+split.
5109
5110 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5111
5112         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5113         (eq<mode>_compare): Same.
5114
5115 2005-10-06  Richard Guenther  <rguenther@suse.de>
5116
5117         PR tree-optimization/24238
5118         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5119
5120 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5121
5122         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5123         here.  Use AC_PATH_PROG for environment variables instead of
5124         test -x.
5125         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5126         objdump also.
5127         * configure: Regenerated.
5128
5129 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5130
5131         PR target/23783
5132         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5133         then force it into a register.
5134         (call_value): Likewise.
5135
5136 2005-10-06  Richard Henderson  <rth@redhat.com>
5137
5138         PR 24049
5139         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5140         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5141         under pass_vectorize.
5142
5143 2005-10-05  Devang Patel  <dpatel@apple.com>
5144
5145         PR Debug/23205
5146         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5147         handling constants. Check NAMESPACE_DECL context for constants.
5148
5149 2005-10-05  Eric Christopher  <echristo@apple.com>
5150
5151         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5152
5153 2005-10-05  Richard Henderson  <rth@redhat.com>
5154
5155         PR 23714
5156         * tree-cfg.c (mark_array_ref_addressable_1): New.
5157         (mark_array_ref_addressable): New.
5158         * tree-flow.h (mark_array_ref_addressable): Declare.
5159         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5160
5161 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5162
5163         PR middle-end/20606
5164         PR middle-end/24069
5165         * reload.c (subst_reloads): When adding a REG_LABEL to a
5166         jump instruction, also update JUMP_LABEL.
5167
5168 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5169
5170         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5171         * bb-reorder.c (copy_bb_p): Use it.
5172         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5173
5174 2005-10-05  Richard Henderson  <rth@redhat.com>
5175
5176         PR target/23602
5177         * toplev.c (process_options): Warn about unsupported combinations
5178         of unwind tables and omit-frame-pointer.
5179         * config/i386/i386.c (override_options): Similarly.  Enable
5180         accumulate-outgoing-args if not explicitly disabled.
5181
5182 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5183
5184         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5185         Handle big endian vs. small endian.
5186         (vec_initv2sf): Handle big endian vs. small endian.
5187         (*vec_extractv2sf_1): Ditto.
5188
5189 2005-10-05  Dale Johannesen  <dalej@apple.com>
5190
5191         * convert.c (convert_to_real):  Don't convert
5192         (float)floor(double d) to floorf((float)d).
5193
5194 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5195
5196         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5197
5198 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5199
5200         PR tree-optimization/18587
5201         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5202         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5203         build_vuses): Change to VEC type.
5204         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5205         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5206         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5207         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5208         (get_name_decl): New.  Return DECL_UID of base variable.
5209         (operand_build_cmp): New.  qsort comparison routine.
5210         (operand_build_sort_virtual): New.  Sort virtual build vector.
5211         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5212         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5213         (FINALIZE_BASE): Use get_name_decl.
5214         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5215         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5216         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5217         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5218         direct VEC_* manipulations.
5219         (build_ssa_operands): Call operand_build_sort_virtual.
5220         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5221         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5222         with direct VEC_* manipulations.
5223         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5224         with direct VEC manipulations.
5225
5226 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5227
5228         PR tree-optimization/21419
5229         PR tree-optimization/24146
5230         PR tree-optimization/24151
5231
5232         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5233         (build_asm_expr): Call it if outputs are read-only.
5234         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5235
5236 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5237             Paolo Bonzini  <bonzini@gnu.org>
5238
5239         PR target/23809
5240
5241         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5242         enable the instructions and not just the built-ins.
5243         * doc/invoke.texi (x86 Options): Likewise.
5244
5245 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5246
5247         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5248
5249         * doc/invoke.texi (Option Summary): Correct spelling
5250         of -mmacosx-version-min.
5251
5252 2005-10-04  Devang Patel  <dpatel@apple.com>
5253
5254         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5255         real types.
5256
5257 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5258
5259         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5260         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5261
5262 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5263
5264         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5265         ("TE","tg"): New mode attributes.
5266         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5267         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5268         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5269         dword_mode and one for GPRmode.
5270
5271 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5272
5273         PR preprocessor/13726
5274         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5275         any comments passed in.
5276
5277 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5278
5279         * tree.c (annotate_with_file_line): Fix typo.
5280
5281 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5282
5283         PR ada/19382
5284         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5285         type used to access data in the inlined length == 1 case, use
5286         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5287         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5288
5289 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5290
5291         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5292         TARGET_SSE3 and only for TARGET_80387.
5293         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5294         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5295         Do not depend on TARGET_80387.
5296
5297 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5298
5299         * tree.c (last_annotated_node): Change type to location_t*.
5300         (annotate_with_file_line): Reflect the change of
5301         last_annotated_node type.
5302
5303 2005-10-04  Richard Guenther  <rguenther@suse.de>
5304
5305         PR c/23576
5306         * c-decl.c (grokdeclarator): Don't write to fields
5307         of error_mark_node.
5308
5309 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5310
5311         PR middle-end/23125
5312         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5313         register variables.
5314         * varasm.c (make_decl_rtl): If a register variable does not
5315         have a set user assmbler name, error out.
5316         Decode the asmspec is now name+1 bypassing '*'.
5317
5318 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5319
5320         PR tree-optimization/23049
5321         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5322         of a COND_EXPR is folded before calling fold on the whole rhs of a
5323         conditional assignment.
5324         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5325         document that a COND_EXPR may appear there.
5326
5327 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5328
5329         PR 23445
5330         * tree-vrp.c (extract_range_from_assert): If the new numeric
5331         range created out of the assertion contradicts the existing
5332         numeric range of the ASSERT_EXPR variable, make the new range
5333         varying.
5334
5335 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5336
5337         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5338         from T_REGS to FP register class.
5339
5340 2005-10-03  Richard Henderson  <rth@redhat.com>
5341
5342         PR 24135
5343         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5344         before creating a new one.
5345
5346 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5347
5348         * config/rs6000/t-aix43 (LDFLAGS): New.
5349         * config/rs6000/t-aix52 (LDFLAGS): New.
5350
5351 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5352
5353         * gimplify.c (find_single_pointer_decl_1): New static function.
5354         (find_single_pointer_decl): New static function.
5355         (internal_get_tmp_var): For a formal variable, set restrict base
5356         information if appropriate.
5357         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5358         return it.
5359         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5360         (DECL_GET_RESTRICT_BASE): Define.
5361         (SET_DECL_RESTRICT_BASE): Define.
5362         (decl_restrict_base_lookup): Declare.
5363         (decl_restrict_base_insert): Declare.
5364         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5365         * tree.c (restrict_base_for_decl): New static variable.
5366         (init_ttree): Initialize restrict_base_for_decl.
5367         (copy_node_stat): Copy restrict base information.
5368         (decl_restrict_base_lookup): New function.
5369         (decl_restrict_base_insert): New function.
5370         (print_restrict_base_statistics): New static function.
5371         (dump_tree_statistics): Call print_restrict_base_statistics.
5372
5373 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5374
5375         PR 24142
5376         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5377         case of anti-ranges.
5378
5379 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5380
5381         PR c/18851
5382         * c-typeck.c (tagged_tu_seen): Rename to ...
5383         (tagged_tu_seen_cache): this and add val field.
5384         (comptypes): Move functional to comptypes_internal
5385         and free tagged_tu_seen.
5386         (comptypes_internal): New function and call comptypes_internal
5387         instead of comptypes. Speed up by sibcalling
5388         tagged_types_tu_compatible_p.
5389         (alloc_tagged_tu_seen): New function
5390         (free_all_tagged_tu_seen_up_to): New function.
5391         (tagged_types_tu_compatible_p): Return the val of the seen two
5392         types.
5393         Add that the two types are the same to tagged_tu_seen_base
5394         if they are and call comptypes_internal instead of comptypes.
5395         <case UNION_TYPE>: Speed up common type where the fields are
5396         in the same order.
5397         (function_types_compatible_p): Call comptypes_internal instead of
5398         comptypes.
5399         (type_lists_compatible_p): Likewise.
5400         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5401
5402 2005-10-02  Matthias Klose  <doko@debian.org>
5403
5404         * doc/invoke.texi: Fix typo and speling error.
5405
5406 2005-10-01  Richard Henderson  <rth@redhat.com>
5407
5408         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5409
5410 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5411
5412         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5413         using --start-group and --end-group.
5414
5415 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5416
5417         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5418         FIXME note regarding quirky semantics.
5419
5420 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5421
5422         PR 24141
5423         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5424         non-null range as a last resort.
5425
5426 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5427             Diego Novillo  <dnovillo@redhat.com>
5428
5429         PR 23604
5430         * tree-vrp.c (extract_range_from_assert): For !=
5431         assertions, only build an anti-range if LIMIT is a
5432         single-valued range.
5433
5434 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5435
5436         * arm.md (movqi): On thumb when optimizing, handle loading from
5437         memory by describing this as taking a subreg of a zero-extended load
5438         into an SImode register.
5439         (movhi): Likewise.
5440
5441 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5442
5443         * reload1.c (merge_assigned_reloads): Do not change any
5444         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5445
5446 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5447
5448         * Makefile.in (LIPO_FOR_TARGET): Define.
5449         (STRIP_FOR_TARGET): Define.
5450
5451         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5452         before creating new ones.  Do symlinks before creating the actual
5453         targets.
5454
5455         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5456         to work out which multilibs are actually being built.
5457
5458 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5459
5460         * tree-vect-transform.c, config/ms1/ms1.md,
5461         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5462         Follow spelling conventions.
5463         * doc/invoke.texi, doc/md.texi: Fix typos.
5464
5465 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5466
5467         PR tree-optimization/21430
5468         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5469         use operands, and set stmt pointer if need be.
5470         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5471         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5472         present.
5473
5474 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5475
5476         PR middle-end/24053
5477         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5478
5479 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5480
5481         * optabs.c (expand_binop): Initialize first_pass_p.
5482
5483 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5484
5485         PR middle-end/24109
5486         * c-decl.c (c_write_global_declarations_1): If any
5487         wrapup_global_declaration_2 call returned true, restart the loop.
5488
5489 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5490
5491         Fix PR tree-optimization/24117
5492         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5493         before considering whether to use anyoffset.
5494
5495 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5496
5497         Revert this patch:
5498
5499         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5500
5501         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5502         to order operands.
5503         (swap_commutative_operands_with_target): New.
5504
5505 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5506
5507         PR c/21419
5508         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5509         read-only.
5510
5511 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5512
5513         PR tree-optimization/23911
5514         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5515         and IMAGPART_EXPR too.
5516
5517 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5518
5519         PR 17886
5520         * expmed.c (expand_shift): Move logic to reverse rotation
5521         direction when  rotating by constants ...
5522         * optabs.c (expand_binop): ... here.
5523         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5524         (ix86_rotrdi3): New pattern.
5525         (rotldi3): Handle 32-bit mode.
5526         (ix86_rotldi3): New pattern.
5527
5528 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5529
5530         PR target/24102
5531         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5532         check for numbers that need no bit twiddle.
5533
5534 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5535
5536         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5537         multilib to be built.
5538
5539         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5540         (stage1-start): Delete old libgcc and libunwind before moving
5541         anything into the stage directory.
5542         (stage2-start): Likewise.
5543         (stage3-start): Likewise.
5544         (stage4-start): Likewise.
5545         (stageprofile-start): Likewise.
5546         (stagefeedback-start): Likewise.
5547         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5548         header in tm_file and CPU-specific t-darwin in tmake_file.
5549         (i[34567]86-*-darwin*): Don't change tm_file.
5550         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5551         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5552         shared library stub for target OS version.
5553         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5554         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5555         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5556         (libgcc_s.%.dylib): New.
5557         (LIBGCC): Define.
5558         (install-darwin-libgcc-stubs): New.
5559         (INSTALL_LIBGCC): New append.
5560         * config/i386/darwin-libgcc.10.4.ver: New.
5561         * config/i386/darwin-libgcc.10.5.ver: New.
5562         * config/i386/t-darwin: New.
5563         * config/rs6000/darwin-libgcc.10.4.ver: New.
5564         * config/rs6000/darwin-libgcc.10.5.ver: New.
5565         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5566         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5567
5568 2005-09-28  Paul Brook  <paul@codesourcery.com>
5569
5570         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5571         denormals.
5572
5573 2005-09-28  Richard Guenther  <rguenther@suse.de>
5574
5575         PR tree-optimization/23853
5576         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5577         host_integerp to verify misalignment value.
5578
5579 2005-09-28  Richard Henderson  <rth@redhat.com>
5580
5581         * builtins.c (get_builtin_sync_mode): New.
5582         (expand_builtin_sync_operation): Pass in mode argument.
5583         (expand_builtin_compare_and_swap): Likewise.
5584         (expand_builtin_lock_test_and_set): Likewise.
5585         (expand_builtin_lock_release): Likewise.
5586         (expand_builtin): Update to match.
5587
5588 2005-09-28  Nick Clifton  <nickc@redhat.com>
5589
5590         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5591         formatting.  Add check to PLUS case to ensure that the offset is
5592         within an acceptable range.
5593
5594         * config/v850/v850.md (casesi): Disable the generation of the
5595         switch pattern as it is not being handled properly at the moment.
5596
5597         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5598         for when the high words are identical.
5599
5600 2005-09-27  Richard Henderson  <rth@redhat.com>
5601
5602         * pretty-print.c (pp_base_format): Fix typo for %>.
5603
5604 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5605             Devang Patel  <dpatel@apple.com>
5606
5607         PR tree-optimization/23625
5608         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5609         LABEL_EXPR, assertion check.
5610
5611 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5612
5613         * optabs.c (no_conflict_move_test): Check if a result of a
5614         to-be-moved insn would be clobbered by an originally
5615         preceding insn.
5616
5617 2005-09-27  Jeff Law  <law@redhat.com>
5618
5619         * passes.c (init_optimization_passes): Replace copy propagation
5620         passes immediately after DOM with phi-only copy propagation
5621         pases.  Add phi-only copy propagation pass after first DOM pass.
5622         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5623         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5624         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5625         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5626         to init_copy_prop.  Callers updated.
5627         (do_phi_only_copy_prop): New function.
5628         (pass_phi_only_copy_prop): New pass descriptor.
5629
5630 2005-09-27  Nick Clifton  <nickc@redhat.com>
5631
5632         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5633
5634 2005-09-26  Jason Merrill  <jason@redhat.com>
5635
5636         PR c++/13764
5637         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5638
5639         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5640
5641 2005-09-26  James E Wilson  <wilson@specifix.com>
5642
5643         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5644         copyright.  Add gcc copyright plus libgcc exception.
5645         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5646         copyright.
5647         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5648
5649 2005-09-26  Jeff Law  <law@redhat.com>
5650
5651         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5652         about when to iterate.
5653
5654 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5655
5656         PR target/23847
5657         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5658         for __complex__ double in -mcpu=G5 mode.
5659
5660 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5661
5662         PR tree-optimization/23942
5663         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5664         * tree-scalar-evolution.c: Include params.h.
5665         (t_bool): New enum.
5666         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5667         follow_ssa_edge_in_condition_phi_branch,
5668         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5669         Change return type to t_bool.  Use a parameter to limit the size of
5670         trees that are walked before stopping
5671         (analyze_evolution_in_loop): Initialize the limit to 0.
5672         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5673         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5674
5675 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5676
5677         PR middle-end/23831
5678         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5679         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5680
5681 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5682
5683         * combine.c (make_extraction): Check for valid use of subreg.
5684
5685 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5686
5687         PR target/24055
5688         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5689         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5690         ("fist<mode>2_with_temp"): Use only register operands.
5691
5692 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5693
5694         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5695         CALL_INSN_FUNCTION_USAGE.
5696
5697 2005-09-26  Richard Guenther  <rguenther@suse.de>
5698
5699         PR middle-end/15855
5700         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5701         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5702         (ldst_entry): Use the hashtable instead of list-walking.
5703         (find_rtx_in_ldst): Likewise.
5704         (free_ldst_entry): Free the hashtable.
5705         (compute_ld_motion_mems): Create the hashtable.
5706         (trim_ld_motion_mems): Remove entry from hashtable if
5707         removing it from list.
5708         (compute_store_table): Likewise^2.
5709         (store_motion): Free hashtable in case we did not see
5710         any stores.
5711
5712 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5713
5714         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5715         and arg1 if we are passing them to fold_build2.
5716
5717 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5718
5719         PR 23828
5720         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5721         a nested function.
5722
5723 2005-09-25  Richard Henderson  <rth@redhat.com>
5724
5725         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5726         SYMBOL_REF_TLS_MODEL to be correct.
5727
5728 2005-09-24  Richard Henderson  <rth@redhat.com>
5729
5730         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5731         end of function.  Reindent.
5732
5733 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5734
5735         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5736         NEGATE_EXPR/BIT_NOT_EXPR case.
5737
5738 2005-09-24  Richard Henderson  <rth@redhat.com>
5739
5740         * c-common.c (handle_mode_attribute): When not modifying in place,
5741         create subtypes for enumerations.
5742         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5743         * gimplify.c (create_tmp_from_val): Likewise.
5744
5745 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5746
5747         * config/i386/i386.md (*tls_global_dynamic_64,
5748         *tls_local_dynamic_base_64): Add missing mode to call.
5749         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5750
5751 2005-09-24  Jan Hubicka  <jh@suse.cz>
5752
5753         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5754         (cgraph_clone_node): Likewise.
5755         * cgraph.h (cgraph_clone_edge): Update prototype.
5756         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5757         duplicated prototypes; add updating argument.
5758         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5759         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5760         updating profile.
5761         (cgraph_mark_inline_edge): Likewise.
5762         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5763         (cgraph_flatten_node): Likewise.
5764         (cgraph_decide_recursive_inlining): Likewise.
5765         (cgraph_decide_inlining_of_small_function): Likewise.
5766         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5767
5768 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5769             Pete Steinmetz <steinmtz@us.ibm.com>
5770
5771         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5772         (rldic.): Set type to "compare".
5773         (rldicr.): Same.
5774         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5775         mfjmpr for MFCTR/MFLR.
5776         (movdf_hardfloat64): Same.
5777         (movdf_softfloat64): Same.  Correct order of store and move types.
5778         (movti_string): Set type to store_ux/load_ux.
5779         (load_multiple): Set type to load_ux.
5780         (store_multiple): Set type to store_ux.
5781         (movmemsi): Set type to store_ux.
5782         (output_cbranch direct_return): Set type to jmpreg.
5783         (stmw): Set type to store_ux.
5784         (lmw): Set type to load_ux.
5785         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5786         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5787         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5788         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5789         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5790         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5791         (rios1-fpstore): Increase latency to 3.
5792         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5793         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5794
5795 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5796             Andrew Pinski  <pinskia@physics.uc.edu>
5797
5798         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5799         operand2 constraint to "b".
5800         (sync_<fetchop_name>di_internal): Same.
5801         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5802         to "b".
5803         (sync_old_<fetchop_name>di_internal): Same.
5804         (sync_new_<fetchop_name>si_internal): Same.
5805         (sync_new_<fetchop_name>di_internal): Same.
5806
5807 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5808
5809         PR middle-end/23991
5810         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5811         case, define as macros.
5812
5813         PR rtl-optimization/23837
5814         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5815         clobber / clobber match between dest and p->first.
5816
5817         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5818         (no_conflict_move_test): Update comments.
5819
5820 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5821
5822         * doc/install.texi: Update URL for Jacks.
5823         * doc/sourcebuild.texi: Likewise.
5824
5825 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5826
5827         PR target/24007
5828         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5829         registers when choosing register preferences.
5830         (movdf_hardfloat64): Same.
5831
5832 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5833
5834         * expmed.c (expand_shift): Don't use the target of the rotate as
5835         target for the first expanded shift insn.
5836         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5837
5838 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5839
5840         PR tree-optimization/22438
5841         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5842         preserved iv rhs rewriting specially.
5843
5844 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5845
5846         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5847         estimate_only  is true.
5848         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5849         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5850         tree-ssa-structalias.c
5851         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5852         ref_contains_indirect_ref.
5853         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5854
5855 2005-09-21  DJ Delorie  <dj@redhat.com>
5856
5857         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5858         MASK_PTR_A0D0.
5859         (mn10300_return_in_memory): Support variable size types also.
5860         (mn10300_pass_by_reference): Likewise.
5861         (mn10300_function_value): New.
5862         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5863         (FUNCTION_OUTGOING_VALUE): Likewise.
5864         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5865         * doc/invoke.texi: Document it.
5866
5867 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5868
5869         PR target/22585
5870         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5871         force integer op1 into register for XFmode compares.
5872
5873 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5874
5875         PR middle-end/23971
5876         * expmed.c (alg_code): Add alg_impossible.
5877         (alg_hash_entry): Add cost.
5878         (synth_mult): Record alg_impossible in the hash table if
5879         multiplication by a given integer is impossble within the
5880         limit.  Speed up using alg_impossible.
5881
5882 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5883
5884         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5885         argument.  Allow and set any offset if needs_anyoffset is passed
5886         in.
5887         (get_constraint_for): Add argument here too.
5888         Pass it down.
5889         (do_structure_copy): Pass NULL to get_constraint_for.
5890         (handle_ptr_arith): Ditto.
5891         (find_func_aliases): Ditto.
5892
5893 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5894
5895         PR rtl-optimization/23898
5896         * output.h (get_attr_min_length): Declare.
5897         * final.c (get_attr_length_1): New function, broken out of:
5898         (get_attr_length).
5899         (get_attr_min_length): New function.
5900         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5901         (duplicate_computed_gotos): Likewise.
5902         * genattr.c (insn_min_length): Generate declaration.
5903         * genattrtab.c (min_fn, min_attr_value): New functions.
5904         (make_length_attrs): Generate insn_min_length.
5905
5906 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5907
5908         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5909
5910 2005-09-20  Richard Henderson  <rth@redhat.com>
5911
5912         PR tree-optimization/24059
5913         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5914         EXPAND_STACK_PARM.
5915
5916 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5917
5918         * c.opt (fextended-identifiers): New.
5919         * c-opts.c (c_common_handle_option): Handle
5920         -fextended-identifiers.
5921         * doc/cpp.texi: Update documentation of extended identifiers.
5922         * doc/cppopts.texi (-fextended-identifiers): Document.
5923
5924 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5925
5926         PR tree-optimization/23929
5927         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5928         if expr is NULL.
5929
5930         PR tree-optimization/23818
5931         * tree-stdarg.c (execute_optimize_stdarg): Call
5932         calculate_dominance_info.
5933
5934 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5935
5936         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5937         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5938         (compute_overlap_steps_for_affine_1_2): Use
5939         get_number_of_iters_for_loop.
5940         (analyze_subscript_affine_affine): Check whether difference is
5941         zero first.
5942         Use get_number_of_iters_for_loop.
5943         Check whether overlap occurs outside of bounds.
5944         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5945
5946 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5947
5948         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5949         base register if possible.
5950
5951 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5952
5953         PR tree-optimization/18463
5954         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5955         converting it directly is not possible.
5956         (chrec_convert_aggressive): New function.
5957         * tree-chrec.h (chrec_convert_aggressive): Declare.
5958         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5959         Fold chrec conversions aggressively if asked to.
5960         (instantiate_parameters): Modified because of changes in
5961         instantiate_parameters_1.
5962
5963 2005-09-19  Richard Henderson  <rth@redhat.com>
5964
5965         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5966         (reduc_splus_v2df): New.
5967
5968 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5969
5970         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5971         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5972
5973 2005-09-19  Richard Henderson  <rth@redhat.com>
5974
5975         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5976         vcondu<SSEMODE12>.
5977
5978 2005-09-19  Richard Henderson  <rth@redhat.com>
5979
5980         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5981         (ia64_expand_dot_prod_v8qi): New.
5982         * config/ia64/ia64-protos.h: Update.
5983         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5984         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5985         sdot_prodv8qi, sdot_prodv4hi): New.
5986         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5987
5988 2005-09-19  Richard Henderson  <rth@redhat.com>
5989
5990         PR 23941
5991         * real.c (exact_real_truncate): Return false if the format cannot
5992         represent the number as a normal.
5993
5994         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5995         for a memory source.
5996
5997 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5998
5999         * tree-ssa-operands.c (swap_tree_operands): Export.
6000         * tree.h (swap_tree_operands): Declare.
6001         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6002         Call swap_tree_operands.
6003
6004 2005-09-19  Richard Henderson  <rth@redhat.com>
6005
6006         * tree-flow.h (merge_alias_info): Declare.
6007         * tree-ssa-copy.c (merge_alias_info): Export.
6008         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6009         (vect_create_data_ref_ptr): Use create_iv directly.
6010         (vectorizable_load): Use correct types for integer constants.
6011         (vect_generate_tmps_on_preheader): Likewise.
6012         (vect_gen_niters_for_prolog_loop): Likewise.
6013
6014 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6015
6016         PR rtl-optimization/23943
6017         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6018
6019 2005-09-18  Jan Hubicka  <jh@suse.cz>
6020
6021         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6022
6023 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6024
6025         * varasm.c (output_constant): Do not abort on conversions to union
6026         types between different sizes.
6027
6028 2005-09-18  Richard Guenther  <rguenther@suse.de>
6029
6030         PR middle-end/23944
6031         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6032         fallback.
6033
6034 2005-09-18  Paul Brook  <paul@codesourcery.com>
6035
6036         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6037
6038 2005-09-17  Richard Henderson  <rth@redhat.com>
6039
6040         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6041         * tree-ssa-loop.c (pass_vect_dce): Remove.
6042         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6043         of pass_vectorize.
6044
6045 2005-09-17  Richard Henderson  <rth@redhat.com>
6046
6047         * tree-pass.h (pass_vect_dce): Declare.
6048         * passes.c (init_optimization_passes): Add it.
6049         * tree-flow.h (tree_ssa_dce): Declare.
6050         * tree-ssa-dce.c (tree_ssa_dce): Export.
6051         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6052         (gate_tree_vectorize): ... here.
6053         (pass_vect_dce): New.
6054
6055 2005-09-17  Jan Hubicka  <jh@suse.cz>
6056
6057         * except.c (struct eh_status): Turn region_array into vec.
6058         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6059         convert_from_eh_region_ranges, find_exception_handler_labels,
6060         current_function_has_exception_handlers, assign_filter_values,
6061         build_post_landing_pads, dw2_build_landing_pads,
6062         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6063         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6064         foreach_reachable_handler, can_throw_internal_1,
6065         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6066         region_array.
6067         (duplicate_eh_region_1): Update region_array.
6068         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6069
6070 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6071
6072         PR middle-end/22067
6073         * expmed.c (expand_mult): Substitute simple register for op0 when
6074         computing max_cost.
6075
6076 2005-09-17  Richard Henderson  <rth@redhat.com>
6077
6078         * expr.c (emit_move_via_integer): Add force argument, pass it on
6079         to emit_move_change_mode.  Update callers.
6080         (emit_move_complex): Pass true to new force argument.
6081         * function.c (expand_function_end): Move expand_eh_return call
6082         earlier.  Merge sub-word complex values into a pseudo before
6083         copying to the return hard register.
6084
6085 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6086
6087         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6088         between different sizes.
6089
6090 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6091
6092         PR 23903
6093
6094         * passes.c (init_optimization_passes): Register dump files for
6095         IPA passes first.
6096
6097 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6098
6099         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6100         * config/s390/s390.c (s390_overlap_p): New function.
6101         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6102         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6103         condition.
6104
6105 2005-09-16  Richard Guenther  <rguenther@suse.de>
6106
6107         * ipa-pure-const.c (static_execute): Free auxiliar information.
6108         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6109         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6110
6111 2005-09-15  DJ Delorie  <dj@redhat.com>
6112
6113         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6114
6115 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6116
6117         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6118         to order operands.
6119         (swap_commutative_operands_with_target): New.
6120
6121 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6122
6123         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6124         parameter.
6125         Update callers.
6126         (estimate_iters_using_array): New function.
6127         * tree-data-ref.h (estimate_iters_using_array): Prototype
6128         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6129         Use estimate_iters_using_array instead of analyze_array.
6130
6131 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6132
6133         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6134         as addressable.
6135
6136 2005-09-15  Michael Matz  <matz@suse.de>
6137
6138         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6139
6140 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6141
6142         PR tree-optimization/23835
6143         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6144         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6145
6146 2005-09-14  Richard Henderson  <rth@redhat.com>
6147
6148         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6149         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6150
6151 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6152
6153         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6154         in the ARRAY_TYPE case.
6155
6156 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6157
6158         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6159
6160 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6161
6162         PR middle-end/22480
6163         * tree-vect-transform.c (vectorizable_operation): Return false for
6164         scalar shift operations and for vector shift operations with
6165         non-invariant shift arguments.  Use scalar tree operand op1 as
6166         a shift operand when vector shift insn pattern uses scalar shift
6167         operand.
6168         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6169
6170 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6171
6172         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6173         value if it has side-effects.
6174
6175 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6176
6177         PR target/22068
6178         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6179
6180 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6181
6182         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6183         passed as NAME as if it were label at start of function code.
6184
6185 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6186
6187         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6188         the constraints.
6189
6190 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6191
6192         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6193         as early clobber.  Rewrite so the PIC register is not implicitly used.
6194
6195 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6196
6197         * tree.c (annotate_with_file_line): Compare line numbers before
6198         file names.
6199
6200 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6201
6202         PR target/23816
6203         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6204         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6205
6206 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6207
6208         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6209         than a HOST_WIDEST_INT to gen_doloop_begin.
6210
6211 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6212
6213         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6214
6215 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6216
6217         PR tree-optimize/23817
6218         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6219
6220 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6221
6222         PR target/23774
6223         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6224         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6225         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6226         (restore_stack_nonlocal): Likewise.
6227         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6228
6229 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6230
6231         PR g++/7874
6232         * c.opt (ffriend-injection): New C++ option.
6233         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6234         (C++ Dialect Options): Document -ffriend-injection.
6235
6236 2005-09-12  Josh Conner  <jconner@apple.com>
6237
6238         PR middle-end/23237
6239         * ipa-reference.c (static_execute): Don't mark variables in
6240         named sections TREE_READONLY.
6241
6242 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6243
6244         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6245         stack_tie.
6246
6247 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6248
6249         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6250         V_MUST_DEF instead of just the first_use_p.
6251         Don't mark the virtual variables for renaming on the statement which
6252         is being removed.
6253         (pass_dse): Remove TODO_update_ssa.
6254
6255 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6256
6257         PR middle-end/23290
6258         * stor-layout.c (compute_record_mode): For records with a single
6259         field, actually check the field's mode size against the type size.
6260
6261         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6262         registers for TARGET_SHMEDIA.
6263         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6264         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6265         of GENERAL_REGS and FP_REGS.
6266
6267 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6268
6269         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6270
6271 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6272
6273         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6274         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6275         are omitted.  Exclude stack_tie insn too.
6276
6277 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6278
6279         PR rtl-optimization/23098
6280         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6281         0.0f is easy.
6282         * config/rs6000/rs6000.md (movdf splitter): Use
6283         const_double_operand predicate for TARGET_POWERPC64.
6284         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6285         SYMBOL_REF method to ABI_V4.
6286
6287         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6288         replace_equiv_address.
6289         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6290         rs6000_sr_alias_set and MEM_NOTRAP.
6291         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6292
6293 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6294
6295         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6296         handle CALL_EXPR again.
6297
6298 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6299
6300         * arm/predicates.md (alignable_memory_operand): Delete.
6301
6302 2005-09-10  Richard Henderson  <rth@redhat.com>
6303
6304         PR debug/23806
6305         * dbxout.c (dbxout_expand_expr): New.
6306         (dbxout_symbol): Use it.
6307
6308 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6309
6310         * arm.c (arm_gen_rotated_half_load): Delete.
6311         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6312         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6313         (thumb_set_return_address): Likewise.
6314         (thumb_load_double_from_address): Use adjust_address.
6315         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6316         (extendhsisi2_mem, movhi_bytes): Use change_address.
6317         (movhi): Use widen_memory_access.
6318         (reload_out_df): Use replace_equiv_address.
6319         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6320
6321 2005-09-09  Richard Henderson  <rth@redhat.com>
6322
6323         PR debug/20998
6324         * dbxout.c: Include expr.h.
6325         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6326         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6327         * Makefile.in (dbxout.o): Add EXPR_H.
6328
6329 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6330
6331         PR tree-optimization/23509
6332         * tree-cfg.c (replace_uses_by): Use replace_exp.
6333         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6334         pointers have name_mem_tag or type_mem_tag set.
6335
6336 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6337
6338         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6339         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6340         of wrongly accessing operands.
6341
6342 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6343
6344         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6345         * tree-chrec.c: Include tree-scalar-evolution.h.
6346         (chrec_convert): Instantiate the base and step before calling
6347         scev_probably_wraps_p that would fail on parametric evolutions.
6348         Collect all the fails into a single section failed_to_convert,
6349         print a diagnostic, and return chrec_dont_know instead of calling
6350         fold_convert.
6351         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6352         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6353         phi nodes.
6354         (scev_const_prop): Don't replace the definition of a loop closed ssa
6355         phi node by itself, or by another loop closed ssa phi node.
6356         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6357         that base and step are defined.
6358
6359 2005-09-09  Richard Guenther  <rguenther@suse.de>
6360
6361         PR c++/23624
6362         * fold-const.c (fold_ternary): Check truth_value_p before
6363         calling invert_truthvalue.
6364
6365 2005-09-09  Nick Clifton  <nickc@redhat.com>
6366
6367         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6368         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6369         dimension of these arrays.
6370         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6371         these arrays.
6372         * longlong.h: Only provide a prototype for the __clz_tab[] array
6373         if this header has not been included from libgcc2.h.
6374         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6375         defining own types.
6376         Provide prototypes for exported functions.
6377         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6378         libgcc2.c.
6379
6380 2005-09-08  Josh Conner  <jconner@apple.com>
6381
6382         PR c++/21135
6383         PR c++/23180
6384         * expr.c (expand_expr_addr_expr_1): Don't invoke
6385         expand_simple_binop for EXPAND_INITIALIZER.
6386
6387 2005-09-08  Richard Henderson  <rth@redhat.com>
6388
6389         PR debug/23190
6390         * toplev.c (wrapup_global_declaration_1): Split out ...
6391         (wrapup_global_declaration_2): ... from ...
6392         (wrapup_global_declarations): ... here.  Return bool.
6393         (check_global_declaration_1): Split out ...
6394         (check_global_declarations): from here.
6395         (emit_debug_global_declarations): New.
6396         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6397         check_global_declaration_1, emit_debug_global_declarations): Declare.
6398         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6399         of decls.  Call wrapup_global_declaration_1,
6400         wrapup_global_declaration_2, check_global_declaration_1 directly.
6401         (c_write_global_declarations_2): New.
6402         (ext_block): New.
6403         (c_write_global_declarations): Call c_write_global_declarations_2.
6404         * langhooks.c (write_global_declarations): Call
6405         emit_debug_global_declarations.
6406
6407         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6408         remove decls that have DECL_RTL_SET_P.
6409         * passes.c (rest_of_decl_compilation): Invoke
6410         cgraph_varpool_finalize_decl for all but functions.
6411
6412 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6413
6414         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6415         the result of a conversion if the new min and max cannot be compared.
6416
6417 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6418
6419         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6420         (override_options): Setting s390_sr_alias_set removed.
6421         (save_fpr, save_gprs): Set alias set to vararg or frame.
6422         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6423         s390_sr_alias_set with get_frame_alias_set ().
6424         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6425         get_varargs_alias_set ().
6426
6427 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6428
6429         PR objc/20574
6430         PR objc/19324
6431         * c-parser.c (c_parser_objc_method_definition): If the next
6432         token is not "{", error out and don't start the function.
6433
6434 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6435
6436         * tree-vrp.c (extract_range_from_expr): Move the check for non
6437         nullness after the check for gimple invariant.
6438
6439 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6440
6441         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6442
6443 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6444
6445         PR target/23747
6446         * config/m32r.md (movmemsi_internal): Canonicalize order of
6447         operands in PLUS component of template.
6448
6449 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6450
6451         * reload1.c (fixup_eh_region_note): Remove assertion.
6452         (fixup_abnormal_edges): Reverted removal of call to
6453         find_many_sub_basic_blocks made on 2005-08-31.
6454
6455 2005-09-07  Richard Henderson  <rth@redhat.com>
6456
6457         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6458         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6459         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6460         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6461         rearrange for better packing.
6462         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6463         (lookup_cfa_1): Remove inline marker.
6464         (cfa_equal_p): Split out of ...
6465         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6466         (build_cfa_loc): Handle !cfa->indirect.
6467         (frame_pointer_cfa_offset): New.
6468         (dbx_reg_number): Assert register elimination performed; do
6469         leaf register remapping.
6470         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6471         (eliminate_reg_to_offset): New.
6472         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6473         for verifiably local stack frame addresses; re-base to CFA.
6474         (mem_loc_descriptor): Remove can_use_fbreg argument.
6475         (concat_loc_descriptor, loc_descriptor): Likewise.
6476         (containing_function_has_frame_base): Remove.
6477         (rtl_for_decl_location): Don't do register elimination or
6478         leaf register remapping here.
6479         (secname_for_decl): Split out from ..
6480         (add_location_or_const_value_attribute): ... here.
6481         (convert_cfa_to_loc_list): New.
6482         (compute_frame_pointer_to_cfa_displacement): New.
6483         (gen_subprogram_die): Use them.
6484         * tree.h (frame_base_decl): Remove.
6485         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6486         (prologue_stack_adjust): Remove.
6487         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6488         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6489         (set_frame_base_location): Remove.
6490         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6491         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6492         (vt_add_function_parameters): Don't eliminate_regs.
6493         (vt_initialize): Don't create frame_base_decl.
6494
6495 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6496
6497         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6498         version of GNU binutils for 4.x and later.
6499
6500 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6501
6502         * ggc-page.c (ggc_push_context): Remove.
6503         (ggc_pop_context): Likewise.
6504         * ggc.h (ggc_push_context): Remove.
6505         (ggc_pop_context): Likewise.
6506
6507 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6508
6509         PR target/8973
6510         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6511         returning from an interrupt handler.
6512
6513 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6514
6515         PR target/8972
6516         * config/arc/arc.c (output_shift): Add check for loop count when
6517         optimizing.
6518
6519 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6520
6521         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6522         form manually.
6523         (abs_replacement): Likewise.
6524         (pass_phiopt): Remove TODO_update_ssa.
6525
6526 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6527
6528         PR c/23075
6529         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6530         if "return with no value, in function returning non-void" warning
6531         has been issued.
6532         * tree-cfg.c (execute_warn_function_return): Don't look at
6533         RETURN_EXPRs with TREE_NO_WARNING set.
6534
6535         PR target/22362
6536         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6537         for internal functions doesn't use registers used by global registers
6538         variables.  Use fewer register parameters if there are global register
6539         variables.
6540
6541 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6542             Eric Botcazou  <ebotcazou@adacore.com>
6543
6544         PR middle-end/14997
6545         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6546         when we would be extracting outside its bit span (bitpos+bitsize
6547         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6548         Ada unchecked conversions.
6549
6550 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6551
6552         * tree-ssa-pre.c (try_look_through_load): New function.
6553         (compute_avail): Use it to try to look through loads for some
6554         more useful expressions.
6555
6556 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6557
6558         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6559         condition for detecting cases like (a&a) and (a^a).
6560
6561 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6562
6563         * common.opt: Add option ftree-vect-loop-version.
6564         * params.def: Add --param vect-max-version-checks.
6565         * doc/invoke.texi: Document ftree-vect-loop-version and
6566         --param vect-max-version-checks.
6567         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6568         may_misalign_stmts and defines for accessors.
6569         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6570         LOOP_VINFO_MAY_MISALIGN_STMTS.
6571         (destroy_loop_vec_info): VEC_free for
6572         LOOP_VINFO_MAY_MISALIGN_STMTS.
6573         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6574         Update documentation.
6575         (vect_update_misalignment_for_peel): New.
6576         (vect_enhance_data_refs_alignment): Update to choose loop
6577         peeling or loop versioning if appropriate for the (potentially)
6578         unaligned data references in the loop.
6579         (vect_analyze_data_refs_alignment): Remove call to
6580         vect_enhance_data_refs_alignment so the checks can be done
6581         earlier.
6582         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6583         and move up call to vect_analyze_data_refs_alignment.
6584         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6585         (vect_transform_loop): Add call to loop_version.
6586
6587 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6588
6589         PR rtl-optimization/23098
6590         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6591         * simplify-rtx.c (constant_pool_reference_p): New function.
6592         * rtl.h (constant_pool_reference_p): New prototype.
6593         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6594         constant_pool_reference_p in condition and
6595         avoid_constant_pool_reference in preparation statements.
6596
6597 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6598
6599         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6600         STRICT_LOW_PART SETs.
6601
6602 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6603
6604         PR middle-end/21460
6605         * except.c (sjlj_emit_function_enter): Find the function begin
6606         note even when it's not in first basic block.
6607
6608 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6609
6610         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6611         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6612         * aclocal.m4: Regenerate.
6613
6614 2005-09-05  DJ Delorie  <dj@redhat.com>
6615
6616         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6617         of macro.
6618
6619 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6620
6621         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6622         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6623         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6624         Follow spelling conventions.
6625         * doc/invoke.texi: Follow spelling conventions.
6626
6627 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6628
6629         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6630         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6631         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6632
6633 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6634
6635         PR target/23683
6636         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6637         (output_stack_adjust): Use gen_tmp_stack_mem.
6638         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6639         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6640         (sh_get_pr_initial_val): Likewise.
6641         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6642         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6643         * sh.md (divsi_inv_m0): Use gen_const_mem.
6644         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6645         (movdf_i4+1): Use gen_tmp_stack_mem.
6646         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6647         (fpu_switch+2): Likewise.
6648         (movv4sf_i, movv16sf_i): Use adjust_address.
6649         (symGOT_load): Set MEM_NOTRAP_P bit.
6650
6651 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6652
6653         PR target/23721
6654         * pa.c (emit_move_sequence): Fix typo in last change.
6655
6656 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6657
6658         PR rtl-optimization/23454
6659         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6660         is true.
6661
6662 2005-09-03  Richard Henderson  <rth@redhat.com>
6663             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6664
6665         PR middle-end/23671
6666         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6667         gen_rtx_MEM.
6668
6669 2005-09-02  Nicolas Pitre <nico@cam.org>
6670
6671         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6672         to bit_count to 32 bits.
6673
6674 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6675
6676         PR c++/23167
6677         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6678         generating synthetic loads from volatile lvalues.
6679
6680 005-09-02  Nick Clifton  <nickc@redhat.com>
6681
6682         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6683         __ctzhi2, __clzhi2): New functions.
6684
6685 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6686
6687         PR middle-end/23547
6688         * tree-nested.c (struct var_map_elt): Mark with GTY.
6689         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6690         var_map_elt.
6691         (lookup_field_for_decl): Allocate new element in GC memory.
6692         (lookup_tramp_for_decl): Likewise.
6693         (convert_nl_goto_reference): Likewise
6694         (create_nesting_tree): Allocate info in GC memory. Likewise for
6695         info->var_map.
6696         (free_nesting_tree): Free with ggc_free instead of free.
6697         (root): New static variable.
6698         (lower_nested_functions): Remove root as local variable.  And zero out
6699         root at the end of the function.
6700
6701 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6702
6703         PR rtl-optimization/20365
6704         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6705         to short.  New member ix.
6706         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6707         (simplify_plus_minus): Initialize ix members before calling qsort.
6708
6709 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6710
6711         PR tree-optimization/23626
6712         * tree-cfg.c (replace_uses_by): Clean up eh info.
6713
6714 2005-09-01  DJ Delorie  <dj@redhat.com>
6715
6716         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6717         fprintf.
6718
6719 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6720
6721         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6722         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6723         gen_rtx_MEM.
6724
6725 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6726
6727         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6728         do not issue warning for a variable definition following
6729         a declaration.
6730
6731 2005-09-01  Richard Henderson  <rth@redhat.com>
6732
6733         PR 23668
6734         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6735         conversion to CONST_VECTOR.
6736
6737 2005-09-01  Richard Henderson  <rth@redhat.com>
6738
6739         PR 23676
6740         * reload1.c (reload_as_needed): Check !CALL_P before calling
6741         fixup_eh_region_note.
6742         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6743
6744 2005-09-01  DJ Delorie  <dj@redhat.com>
6745
6746         * varasm.c (output_constant): Let the target resolve
6747         conversions of addresses to non-default pointer sizes.
6748
6749 2005-09-01  Nicolas Pitre <nico@cam.org>
6750
6751         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6752         to alow matching ARM pre-indexed addressing mode.
6753         (arm_override_options): Remove now irrelevant comment.
6754
6755 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6756
6757         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6758         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6759         * config/i386/vxworks.h:  Likewise.
6760         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6761         * config/i386/vxworksae.h:  Likewise.
6762
6763 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6764
6765         PR tree-optimization/23410
6766         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6767         sequence is not wrapping during the first step.
6768
6769 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6770
6771         PR debug/7241
6772         * dwarf2out.c (base_type_die): Compare char_type_node with
6773         TYPE_MAIN_VARIANT (type), not type.
6774
6775 2005-09-01  Richard Guenther  <rguenther@suse.de>
6776
6777         PR tree-optimization/15366
6778         * common.opt: Add -finline-functions-called-once.
6779         Put -fearly-inlining in alphabetically ordered place.
6780         * doc/invoke.texi: Document new option.
6781         * ipa-inline.c (cgraph_decide_inlining): Honour
6782         flag_inline_functions_called_once.
6783
6784 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6785
6786         PR rtl-optimization/23478
6787         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6788         (alloc_qty): Initialize it.
6789         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6790         (combine_regs): Combine also n_throwing_calls_crossed fields.
6791         (find_free_reg): Don't attempt to caller-save pseudos crossing
6792         calls that might throw.
6793         * global.c (struct allocno): Add throwing_calls_crossed field.
6794         (global_alloc): Revert 2005-08-22 change.  Initialize
6795         throwing_calls_crossed.
6796         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6797         might throw.
6798
6799 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6800
6801         PR target/23649
6802         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6803         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6804         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6805         (and64_2_operand): Tweak to use predicate.
6806         (and_operand): Adjust for mask_operand changes.
6807         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6808         (print_operand): Likewise.
6809         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6810         (mask64_1or2_operand): Delete.
6811         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6812         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6813         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6814         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6815         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6816         (rotldi3_internal4): Likewise.
6817         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6818         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6819         (ashldi3_internal7): Likewise.
6820         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6821         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6822         (anddi3 split): Don't match mask64_operand.
6823         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6824         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6825         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6826         't' splitter predicate.
6827         (movdi_internal64 + 2): Revert 2005-06-11 change.
6828
6829 2005-08-31  DJ Delorie  <dj@redhat.com>
6830
6831         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6832         (m32c_asm_integer): Add support for 32 bit pointers.
6833
6834 2005-08-31  Richard Henderson  <rth@redhat.com>
6835
6836         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6837         component-like references for setting MEM_NOTRAP_P.
6838
6839         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6840         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6841
6842 2005-08-31  Richard Henderson  <rth@redhat.com>
6843
6844         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6845         into a pseudo before applying gen_lowpart.
6846
6847 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6848
6849         * doc/install.texi (Specific): Update cctools version required
6850         for full functionality.
6851         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6852         linkers as -macosx_version_min.
6853
6854 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6855
6856         PR target/21255
6857         * sh.c (print_operand, %R and %S): Add handling of floating point
6858         registers, memory, constants and invalid operands.
6859
6860 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6861
6862         * ipa-pure-const.c: Change dump name.
6863
6864 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6865
6866         PR target/23570
6867         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6868         to "reg_or_0_operand".
6869         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6870
6871 2005-08-31  Dale Johannesen  <dalej@apple.com>
6872
6873         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6874         loops that count down.
6875
6876 2005-08-31  Richard Henderson  <rth@redhat.com>
6877
6878         PR rtl-opt/23601
6879         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6880         (fixup_eh_region_note): New.
6881         (reload_as_needed): Call it.
6882         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6883         don't call find_many_sub_basic_blocks; call verify_flow_info.
6884         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6885         (keep_stack_depressed): Likewise.
6886         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6887
6888 2005-08-31  Richard Henderson  <rth@redhat.com>
6889
6890         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6891         fp return matching.
6892
6893 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6894
6895         * expr.c (expand_expr_real_1): Compare size of address
6896         mode to target's address mode size in deciding expansion of
6897         the constant address.
6898
6899 2005-08-31  Richard Guenther  <rguenther@suse.de>
6900
6901         PR middle-end/23477
6902         * expr.c (all_zeros_p): New function.
6903         (expand_expr_real_1): Handle the case of an all-zero
6904         non-addressable constructor separately.
6905
6906 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6907
6908         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6909         arguments, adjust all callers.
6910         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6911
6912 2005-08-30  Richard Henderson  <rth@redhat.com>
6913
6914         PR target/23630
6915         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6916         whenever the mode sizes match.
6917
6918 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6919
6920         * calls.c (load_register_parameters): Fix comment typo.
6921         * expr.c (emit_push_insn): Comment formatting.
6922
6923 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6924
6925         * config/i386/x-cygwin (host-cygwin): Change dependency from
6926         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6927
6928 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6929
6930         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6931         parts of 'vals'.
6932
6933 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6934
6935         PR middle-end/23408
6936         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6937         call to ggc_collect.
6938
6939 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6940
6941         PR bootstrap/21268
6942         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6943         beginning.  Remove $(INCLUDES) from all the rules, if following
6944         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6945
6946 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6947
6948         PR middle-end/23484
6949         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6950         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6951         not constant, but maxlen is, don't set len to maxlen, rather
6952         set maxlen to len if len is a constant.
6953
6954 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6955
6956         PR tree-optimization/23475
6957         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6958         and counts.
6959
6960 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6961
6962         Fix PR middle-end/22455
6963
6964         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6965         Checksum only the parts of the tree that exist for the tree code.
6966
6967 2005-08-28  Dale Johannesen  <dalej@apple.com>
6968
6969         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6970
6971 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6972
6973         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6974
6975 2005-08-28  Richard Henderson  <rth@redhat.com>
6976
6977         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6978         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6979         of char_type_node.
6980
6981 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6982
6983         PR ada/23593
6984         * builtins.c (get_memory_rtx): Don't strip nops
6985         in between COMPONENT_REFs.
6986
6987 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6988
6989         PR middle-end/23463
6990         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6991         types.
6992         (gimplify_modify_expr): Check for zero sized types and gimplify the
6993         rhs and lhs as statements.
6994
6995 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6996
6997         PR libgcj/23508
6998         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6999         state for return address column of signal frames.
7000
7001 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7002
7003         PR target/23539
7004         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7005         bytes >= 2 not bytes == 2.
7006         (expand_block_move): Same.
7007
7008 2005-08-27  Richard Guenther  <rguenther@suse.de>
7009
7010         PR target/23575
7011         * config/i386/sse.md (sse2_movsd): Add missing closing
7012         braces.
7013
7014 2005-08-27  Paul Brook  <paul@codesourcery.com>
7015
7016         * genrecog.c (enum decision_type): Add DT_num_insns.
7017         (struct decision_test): Add u.num_insns.
7018         (add_to_sequence): Add DT_num_insns test.
7019         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7020         (write_cond, debug_decision_2): Ditto.
7021         (change_state): Assume peep2_next_insn never fails.
7022         Remove "afterward" argument.
7023         (write afterward, write_tree): Update to match.
7024         * recog.c (peep2_current_count): New variable.
7025         (peep2_next_insn): Check it.
7026         (peephole2_optimize): Set peep2_current_count.
7027         * recog.h (peep2_current_count): Declare.
7028
7029 2005-08-26  Josh Conner  <jconner@apple.com>
7030
7031         PR middle-end/23584
7032         * ipa-pure-const.c (check_tree): Check for volatile-ness
7033         when considering a dereference.
7034
7035 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7036
7037         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7038
7039 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7040
7041         PR rtl-optimization/23561
7042         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7043         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7044         at most LEN bytes long memory fits into the field.
7045         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7046         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7047         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7048
7049 2005-08-26  Richard Henderson  <rth@redhat.com>
7050
7051         PR rtl-opt/23560
7052         * loop.c (biased_biv_may_wrap_p): New.
7053         (maybe_eliminate_biv_1): Use it to suppress non-equality
7054         comparison transformations.  Delete disabled code.
7055
7056 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7057
7058         * combine.c (make_extraction): Avoid reference outside object.
7059
7060 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7061
7062         * stor-layout.c (finalize_type_size): Restore behaviour for
7063         non-aggregate types to the status quo ante of the patch for
7064         pr 23467.  Document why it matters.
7065
7066 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7067
7068         PR c/23506
7069         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7070         array by one element, initialize the BT_LAST element with NULL.
7071
7072 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7073
7074         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7075         optimizing for size.
7076         (plus_eqsi): Same.
7077         (compare_plus_eqsi): Same.
7078         (plus_eqsi_compare): Same.
7079         (neg_eq0<mode>): Same.
7080         (neg_eq<mode>): Same.
7081
7082         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7083         PROCESSOR_POWER4.
7084
7085 2005-08-26  Nick Clifton  <nickc@redhat.com>
7086
7087         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7088         TARGET_EP is not defined.
7089         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7090         TARGET_EP is enabled.
7091         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7092         * config/v850/v850.md (save_all_interrupt): Only use the EP
7093         register if TARGET_EP is defined.
7094         (restore_all_interrupt): Likewise.
7095         * config/v850/lib1funcs.asm: Update functions so that the EP
7096         register is only used if __EP__ is defined.
7097
7098 2005-08-26  David Ung  <davidu@mips.com>
7099
7100         * config/mips/mips.c (mips_expand_prologue): Handle case when
7101         generating for MIPS16 and the outgoing argument area is more than
7102         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7103         add instruction.
7104
7105 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7106
7107         * config/crx/crx.md: Make doloop_end pattern usage controllable
7108         via mloop-nesting=<max-nesting> command line switch. Make sure
7109         the combiner cannot use doloop_end_<mode> in an illegal way.
7110         * config/crx/crx.c: Use regs up to r6 for argument passing.
7111         Refine crx_address_cost (non cst4 displacements are expensive).
7112         * config/crx/crx.opt: Add switch for mloop-nesting=.
7113
7114 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7115
7116         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7117         (UNSPEC_MVST): New constant.
7118
7119 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7120
7121         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7122         Reject operands containing eliminable registers.
7123         * testsuite/gcc.dg/20050825-1.c: New testcase.
7124
7125 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7126             Jan Hubicka  <jh@suse.cz>
7127
7128         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7129
7130 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7131
7132         PR tree-optimization/23546
7133         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7134         and REAL_CST nodes.
7135
7136 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7137
7138         * params.def (PARAM_MIN_SPEC_PROB): New.
7139         * sched-rgn.c (MIN_PROBABILITY): Delete.
7140         (compute_trg_info): Convert to PARAM_VALUE.
7141         * doc/invoke.texi (param): Document min-spec-prob.
7142
7143 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7144
7145         * config/darwin.h: define __PIC__
7146         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7147         TARGET_OS_CPP_BUILTINS macro.
7148
7149 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7150
7151         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7152         yesterday.
7153
7154 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7155
7156         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7157         to duplicate_block.
7158         * cfghooks.c (duplicate_block): Added position where to place
7159         new block as argument.
7160         * cfghooks.h (duplicate_block): Declaration changed.
7161         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7162         duplicate_block.
7163         * cfglayout.h (copy_bbs): Declaration changed.
7164         * cfgloop.h (loop_version): Declaration changed.
7165         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7166         position to copy_bbs.
7167         (loop_version): Pass position to duplicate_loop_to_header_edge.
7168         Add place_after argument and position new blocks according to
7169         it.
7170         * modulo-sched.c (sms_schedule): Pass place_after argument
7171         to loop_version.
7172         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7173         * tree-cfg.c (split_edge_bb_loc): New function.
7174         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7175         to determine position of new blocks.
7176         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7177         to loop_version.
7178         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7179         argument to duplicate_block.
7180         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7181         Pass position to copy_bbs.
7182
7183 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7184
7185         * fold-const.c (ptr_difference_const): Use
7186         cst_and_fits_in_hwi instead of host_integerp.
7187
7188 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7189
7190         * config/darwin.c (gen_pic_offset): New.
7191         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7192         Use it.
7193
7194 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7195
7196         PR tree-optimization/23486
7197         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7198
7199 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7200
7201         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7202         remove use_collect2.
7203         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7204
7205         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7206         configuration files to override the default value.
7207
7208         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7209         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7210         * config/vx-common.h:  New file, split out from...
7211         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7212         * config/vxworksae.h:  New file, for VxWorks AE.
7213         * config/vxworks.opt:  New file.
7214         * config/vxlib.c:  Update for VxWorks 6.
7215
7216         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7217         other MULTILIB_* variables appropriately.
7218         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7219         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7220         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7221         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7222
7223 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7224
7225         PR target/20799
7226         * config/darwin.c (machopic_select_section): Remove the hack to
7227         mark "::operator new" and "::operator delete" for coalescing
7228         even though they are not weak.
7229
7230 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7231
7232         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7233         * configure: Regenerate.
7234
7235 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7236
7237         PR middle-end/23517
7238         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7239         between vectors.
7240         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7241         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7242         Likewise.
7243
7244 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7245
7246         * config/rs6000/predicates.md (equality_operator): New.
7247         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7248         comparison with a large constant.
7249
7250 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7251
7252         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7253
7254 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7255
7256         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7257         registers is even, and we have a hardware double precision fp,
7258         align the buffer.
7259         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7260         size of current argument when checking if argument was passed in
7261         registers.
7262
7263         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7264
7265         PR middle-end/23467
7266         * stor-layout.c (finalize_type_size): Dont override
7267         existing alignment with a smaller alignment from the mode.
7268
7269 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7270
7271         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7272         * lambda.h (lambda_vector_lexico_pos): ... here.
7273         * tree-data-ref.c (build_classic_dist_vector): Return false when
7274         the distance vector is lexicographically negative.
7275
7276 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7277
7278         PR tree-optimization/23511
7279         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7280         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7281
7282 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7283
7284         PR tree-optimization/22043
7285         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7286         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7287         If ALLOW_FLEXARR, handle types ending with flexible array member.
7288         Pass false as second argument to recursive count_type_elements calls.
7289         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7290         argument to count_type_elements call.
7291         * tree-sra.c (decide_block_copy): Likewise.
7292         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7293         for a constant-sized object, set cleared as well.  Pass true as
7294         second argument to count_type_elements call.
7295
7296 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7297
7298         PR target/21571
7299         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7300         from legitimate_small_data_p, and make global.  Update use.
7301         Remove forward declaration.
7302         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7303         Declare.
7304         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7305
7306 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7307
7308         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7309         of scratch intermediates.
7310         (eq<mode>_compare): Same.
7311         (neg_eq0<mode>): New.
7312         (neg_eq<mode>): Convert to define_insn_and_split.
7313
7314 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7315
7316         PR target/23070
7317         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7318         stdarg functions, set/clear the fp marker even when no variable
7319         args are passed.
7320         * config/rs6000/sysv4.opt (mprototype): Describe.
7321
7322 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7323
7324         PR rtl-optimization/23478
7325         * regs.h (reg_info): Add throw_calls_crossed.
7326         (REG_N_THROWING_CALLS_CROSSED): Define.
7327         * flow.c (allocate_reg_life_data): Initialize
7328         REG_N_THROWING_CALLS_CROSSED.
7329         (propagate_one_insn, attempt_auto_inc): Update
7330         REG_N_THROWING_CALLS_CROSSED.
7331         * global.c (global_alloc): Don't allocate pseudos across
7332         calls that may throw.
7333
7334 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7335
7336         PR c/18715
7337         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7338         value is inbetween the range if we did not find an exact match.
7339
7340 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7341
7342         * doc/invoke.texi (Option Summary): Add ms1 options.
7343         * doc/extend.texi: Document interrupt handler attribute for ms1.
7344         * doc/md.texi: Document ms1 constraints.
7345         * config.gcc: Add ms1-*-elf.
7346         * config/ms1/ms1.h: New.
7347         * config/ms1/ms1.c: New.
7348         * config/ms1/ms1.md: New.
7349         * config/ms1/ms1-protos.h: New.
7350         * config/ms1/ABI.txt: New.
7351         * config/ms1/crti.asm: New.
7352         * config/ms1/crtn.asm: New.
7353         * config/ms1/lib2extra-funcs.c: New.
7354         * config/ms1/t-ms1: New.
7355         * config/ms1/ms1.opt: New.
7356
7357 2005-08-22 Ira Rosen <irar@il.ibm.com>
7358
7359         * config/rs6000/altivec.md (xorv4sf3): New.
7360         (negv4sf2, neg<mode>2): Likewise.
7361
7362 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7363
7364         PR target/23485
7365         * config/ia64/ia64.md (divsi3): Check divide by zero.
7366         (udivsi3): Likewise.
7367         (divdi3): Likewise.
7368         (udivdi3): Likewise.
7369
7370 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7371
7372         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7373         up to elem_bitsize bits, not max_bitsize.
7374
7375 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7376
7377         PR tree-optimization/23433
7378         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7379         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7380
7381 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7382
7383         PR tree-optimization/23434
7384         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7385         the iteration bound is not an INTEGER_CST.
7386
7387 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7388
7389         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7390         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7391         NULL if need_epilog_adjust is false.
7392         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7393         Case 3 always peels first itration, not just for PLUS case, and no need
7394         to use scalar_initial_def here. Create an epilog adjustment only if
7395         scalar_initial_def is not NULL.
7396
7397         (vectorizable_reduction): Remove assert.
7398
7399 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7400
7401         PR target/23485
7402         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7403         (__moddi3): Likewise.
7404         (__udivdi3): Likewise.
7405         (__umoddi3): Likewise.
7406         (__divsi3): Likewise.
7407         (__modsi3): Likewise.
7408         (__udivsi3): Likewise.
7409         (__umodsi3): Likewise.
7410
7411 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7412
7413         * tree-pass.h (TDF_GRAPH): Define.
7414         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7415         * passes.c (finish_optimization_passes): Only call
7416         finish_graph_dump_file if TDF_GRAPH is set.
7417         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7418         NULL.  Set TDF_GRAPH bit.
7419         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7420
7421 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7422
7423         * arm.h (arm_stack_offsets): Add locals_base field.
7424         * arm.c (arm_get_frame_offsets): Compute it.
7425         (thumb_compute_initial_elimination offset): Make the Thumb frame
7426         pointer point to the base of the local variables.
7427         (thumb_expand_prologue): Update accordingly.
7428         (thumb_expand_epilogue): Likewise.
7429
7430         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7431         mode of clobbered scratch to DImode.  Handle a case that's known to
7432         need this.
7433
7434 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7435
7436         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7437         (gt0<mode>_compare): Delete.
7438         (neg_gt0<mode>): Delete.
7439
7440 2005-08-19  Eric Christopher  <echristo@apple.com>
7441
7442         * optabs.h: Change CTI_ to COI_.
7443         * optabs.c: Ditto.
7444
7445 2005-08-19  James E Wilson  <wilson@specifix.com>
7446
7447         * builtins.c (expand_builtin_return_addr): Set
7448         current_function_accesses_prior_frames when count != 0.  Use
7449         frame_pointer_rtx when count == 0.
7450         * function.h (struct function): Add accesses_prior_frames field.
7451         (current_function_accesses_prior_frames): Define.
7452         * reload1.c (init_elim_table): Check
7453         current_function_accesses_prior_frames.
7454         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7455
7456 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7457
7458         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7459         indicator.  Return true if the flowgraph changed during
7460         cleanup.
7461
7462 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7463
7464         PR 23476
7465         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7466         conditional expression before testing its value.
7467
7468 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7469
7470         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7471
7472 2005-08-19  Devang Patel  <dpatel@apple.com>
7473
7474         PR tree-optimization/23048
7475         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7476         third parameter. Check whether latch is dominated by exit
7477         block or not.
7478         (if_convertible_loop_p): Supply exit block itself to
7479         if_convertible_bb_p.
7480
7481 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7482
7483         PR target/23473
7484         * arm.md (arm_load_pic_register): Change argument to the mask of
7485         saved registers.  Call thumb_find_work_register if we need a
7486         scratch register on Thumb.
7487         (arm_expand_prologue): Pass empty register set to
7488         arm_load_pic_register.
7489         (thumb_expand_prologue): Pass live_regs_mask directly to
7490         arm_load_pic_register.
7491         * arm-protos.h (arm_load_pic_register): Update prototype.
7492
7493 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7494
7495         * sh.c (find_sole_member): New function.
7496         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7497         if the record's alignment is larger than the size of its only member.
7498
7499 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7500
7501         PR target/23436
7502         * arm.c (thumb_legitimize_reload_address): New function.
7503         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7504         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7505
7506 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7507
7508         * config/crx/crx.c: Implement crx_decompose_address. Reject
7509         symbolic displacements since CRX register relative adressing
7510         mode can't handle unsigned 32-bit values as displacements.
7511         * config/crx/crx.h: Simplify definitions, remove redundant
7512         parenthesis and obsolete macros.
7513         * config/crx/crx.opt: Add new switch for debugging addresses.
7514         * config/crx/crx-protos.h: Add new declarations for above.
7515
7516 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7517
7518         PR middle-end/20624
7519         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7520         looking past it.
7521
7522 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7523
7524         * collect2.c (dup2): Delete.
7525         * configure.ac: Don't check for dup2.
7526
7527         * config.in, configure: Regenerate.
7528
7529 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7530
7531         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7532         record with the type of its only member.
7533
7534 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7535
7536         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7537         define_insn_and_split.
7538         (plus_ltu<mode>_compare): Same.
7539         (gtu<mode>_compare): Same.
7540         (plus_gtu<mode>_compare): Same.
7541
7542 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7543
7544         PR tree-optimization/22228
7545         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7546         todo_flags_start.
7547         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7548         are recorded in vect_vnames_to_rename for renaming.
7549         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7550         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7551         in vect_vnames_to_rename.
7552         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7553         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7554
7555 2005-08-18  Jan Hubicka  <jh@suse.cz>
7556
7557         PR c++/22034
7558         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7559         info only for local statics, not for member variables.
7560
7561 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7562
7563         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7564
7565 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7566
7567         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7568
7569 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7570
7571         PR middle-end/16045
7572         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7573
7574 2005-08-17  James E Wilson  <wilson@specifix.com>
7575
7576         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7577         array size check.
7578
7579 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7580
7581         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7582         (leu<mode>_compare): Same.
7583         (plus_leu<mode>): Same.
7584         (neg_leu<mode>): Same.
7585         (and_neg_leu<mode): Same.
7586         (ltu<mode>_compare): Same.
7587         (plus_ltu<mode>): Same.
7588         (geu<mode>): Same.
7589         (geu<mode>_compare): Same.
7590         (plus_geu<mode>): Same.
7591         (neg_geu<mode>): Same.
7592         (and_neg_geu<mode>): Same.
7593         (plus_gt<mode>): Same.
7594         (gtu<mode>_compare): Same.
7595         (plus_gtu<mode>): Same.
7596
7597 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7598
7599         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7600         Move call_table_data to end.  Delete spurious .text.
7601         (callt_save_all_interrupt): Fix comment typo.
7602
7603 2005-08-17  James E Wilson  <wilson@specifix.com>
7604             Kevin Winchester  <winchester@amirix.com>
7605
7606         PR target/21684
7607         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7608
7609 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7610
7611         PR target/23268
7612         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7613         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7614
7615 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7616
7617         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7618         record with the type of its only member if the modes don't match.
7619
7620         * varasm.c (decode_reg_name): Skip empty additional register names.
7621
7622 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7623
7624         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7625         lsm_tmp_name_length): New.
7626         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7627         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7628
7629 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7630             Andreas Krebbel  <krebbel1@de.ibm.com>
7631
7632         * config.gcc: Added z9-109 switch.
7633         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7634         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7635         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7636         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7637         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7638         for "z9_109" cpu attribute.
7639         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7640         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7641         (s390_handle_arch_option): Added z9-109 switch.
7642         (override_options): Set respective cost function for z9-109.
7643         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7644         (legitimate_reload_constant_p): Accept extended immediates.
7645         (print_operand): Three new output modifiers added: k, m and o.
7646         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7647         (s390_output_mi_thunk): Use extended immediate when possible.
7648         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7649         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7650         (CONSTRAINT_LEN): Added length of O constraint.
7651         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7652         * config/s390/s390.md ("cpu"): New value z9_109 added.
7653         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7654         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7655         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7656         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7657         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7658         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7659         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7660         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7661         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7662         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7663         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7664         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7665         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7666         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7667         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7668         immediates.
7669         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7670         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7671         insns for TARGET_EXTIMM.
7672
7673 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7674
7675         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7676
7677 2005-08-17  Nick Clifton  <nickc@redhat.com>
7678
7679         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7680         Call default_encode_section_info.
7681
7682 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7683
7684         PR tree-optimization/21574
7685         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7686         constant, return CONSTANT.
7687         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7688         (ccp_fold, visit_assignment): Likewise.
7689         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7690
7691 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7692
7693         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7694         fold_buildN instead of buildN then fold_initializer or fold.
7695         (build_unary_op): Likewise.
7696         (build_binary_op): Likewise.
7697         * fold-const.c (fold_initializer): Remove.
7698         (fold_build1_initializer): New function.
7699         (fold_build2_initializer): New function.
7700         (fold_build3_initializer): New function.
7701         * tree.h (fold_initializer): Remove.
7702         (fold_build1_initializer): New function.
7703         (fold_build2_initializer): New function.
7704         (fold_build3_initializer): New function.
7705
7706 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7707
7708         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7709         (try_move_mult_to_index): Call fold_build2 instead of build2.
7710         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7711         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7712         fold_binary_to_constant.
7713         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7714         fold (build.
7715         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7716         check if A == gcd (A, B).  Remove TYPE argument.
7717         (analyze_offset) Use fold_build2 instead of fold (build.
7718         (create_data_ref): Likewise.
7719         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7720         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7721         then fold.
7722
7723 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7724
7725         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7726         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7727
7728 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7729
7730         PR tree-opt/23402
7731         * gimplify.c (zero_sized_type): New function.
7732         (gimplify_modify_expr_rhs): If we have a zero sized type,
7733         replace the statement with an empty statement.
7734
7735 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7736
7737         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7738         fxsave.
7739
7740 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7741
7742         * doc/tm.texi (Label Output): Correct typo.
7743
7744 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7745
7746         PR target/23376
7747         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7748         force_operand will work later on using have_insn_for.
7749
7750 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7751
7752         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7753
7754 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7755
7756         PR c++/23337
7757         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7758         vector type, don't try to construct it element by element.  Add an
7759         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7760
7761 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7762
7763         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7764
7765 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7766
7767         * doc/invoke.texi (Precompiled Headers): Document some more options
7768         which are known to be safe.
7769
7770 2005-08-16  James E Wilson  <wilson@specifix.com>
7771
7772         PR tree-optimization/21105
7773         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7774         TREE_OVERFLOW check.
7775
7776 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7777
7778         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7779         (neg_ltu<mode>): Same.
7780         (gtu<mode>): Same.
7781         (neg_gtu<mode>): Same.
7782
7783 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7784
7785         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7786         (fold_builtin_isdigit): Use fold_buildN.
7787         (build_function_call_expr): Likewise.
7788         * c-typeck.c (c_finish_loop): Likewise.
7789
7790 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7791             Richard Shann <rshann@superh.com>
7792
7793         PR middle-end/20396:
7794         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7795
7796 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7797
7798         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7799
7800 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7801
7802         PR target/23355
7803         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7804         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7805         must be saved.
7806
7807 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7808
7809         PR middle-end/23369
7810         * fold-const.c (build_range_check): Disable optimization for function
7811         pointer expressions on targets that require function pointer
7812         canonicalization.
7813
7814 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7815
7816         * simplify-rtx.c (simplify_const_relational_operation): When
7817         extracting arguments of a COMPARE, recompute the mode as well.
7818
7819 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7820
7821         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7822
7823 2005-08-15  DJ Delorie  <dj@redhat.com>
7824
7825         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7826         the stack.
7827         (movsi_splittable): Allow, but split, moves to the stack.
7828         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7829         stack.
7830
7831 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7832
7833         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7834         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7835         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7836
7837         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7838         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7839         Delete HOST_PTR_PRINTF.
7840
7841         * configure, config.in: Regenerate.
7842
7843 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7844
7845         * config/rs6000/rs6000.md (QHSI): New mode macro.
7846         (wd): Extend mode attr for QImode and HImode
7847         (dbits): New mode attr.
7848         (zero_extend<mode>di2): Convert to mode macro.
7849
7850 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7851
7852         PR target/21841
7853         * doc/invoke.texi (-mgnu-ld): Update description.
7854         (-mhp-ld): Ditto.
7855
7856 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7857
7858         PR 23391
7859         * Makefile.in (tree-chrec.o): Depends on real.h.
7860         * tree-chrec.c: Include real.h.
7861         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7862         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7863         * tree-scalar-evolution.c (add_to_evolution_1,
7864         interpret_rhs_modify_expr): Ditto.
7865
7866 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7867
7868         PR 23386
7869         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7870         step is negative compute the estimation from init downwards to zero.
7871
7872 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7873
7874         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7875
7876 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7877
7878         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7879         constraint.
7880         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7881         Accept double-word constants that can be split.
7882         * config/s390/s390.md ("movti"): Use 'P' constraint.
7883         ("*movdi_31", "*movdf_31"): Likewise.
7884
7885 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7886
7887         Fix PR tree-optimization/22615
7888
7889         * tree-ssa-structalias.c (solution_set_add): Handle
7890         first_vi_for_offset returning NULL.
7891         (do_da_constraint): Ditto.
7892         (do_sd_constraint): Ditto.
7893         (do_ds_constraint): Ditto
7894         (find_func_aliases): Ditto.
7895         (build_constraint_graph): RHS is allowed be ANYTHING.
7896         (first_vi_for_offset): Return NULL if we couldn't find anything at
7897         the offset.
7898
7899 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7900
7901         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7902         over memory as first operand.
7903
7904 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7905
7906         PR target/23360
7907         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7908         available for setting it.
7909
7910 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7911
7912         PR tree-optimization/23320
7913         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7914         data-refs' types instead of base object nullness. Add check for
7915         pointer type data-refs before first location comparison. Remove
7916         assert.
7917
7918 2005-08-14  Andreas Schwab  <schwab@suse.de>
7919
7920         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7921
7922 2005-08-13  James E Wilson  <wilson@specifix.com>
7923
7924         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7925         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7926         -fstack-protector-all, --param ssp-buffer-size): Document.
7927         (-Wvariadic-macros): Alphabetize.
7928         (-fsched-stalled-insns-dep): Add missing 'f'.
7929
7930         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7931         macros.
7932
7933 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7934
7935         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7936         or indirect address operand.
7937         (EXTRA_ADDRESS_CONSTRAINT): New.
7938         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7939
7940 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7941
7942         PR tree-optimization/22236
7943         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7944         successors and predecessors.
7945         * tree-chrec.c (chrec_convert): Before converting, check that
7946         sequences don't wrap.
7947         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7948         (analyze_array): Extern.
7949         (find_data_references_in_loop): Remove call to
7950         compute_estimated_nb_iterations.
7951         * tree-data-ref.h (analyze_array): Declared.
7952         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7953         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7954         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7955         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7956         condition.
7957         * tree-ssa-loop-ivcanon.c: Fix documentation.
7958         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7959         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7960         (infer_loop_bounds_from_undefined): New.
7961         (estimate_numbers_of_iterations_loop): Use
7962         infer_loop_bounds_from_undefined.
7963         (used_in_pointer_arithmetic_p): New.
7964         (scev_probably_wraps_p): Pass an extra parameter.  Call
7965         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7966         (convert_step): Fix documentation.
7967         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7968         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7969         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7970         scev_probably_wraps_p.
7971
7972 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7973
7974         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7975         (s390_register_info): Ignore clobbered_regs information for fixed
7976         registers, and only fixed registers.
7977         (s390_init_frame_layout): Remove redundant call.
7978
7979 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7980
7981         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7982         description of -Wold-style-casts.
7983
7984 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7985             Jakub Jelinek  <jakub@redhat.com>
7986
7987         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7988         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7989         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7990         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7991         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7992         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7993         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7994         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7995         ("stack_protect_set", "stack_protect_test"): New expanders.
7996         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7997         "stack_protect_testdi"): New insn definitions.
7998
7999 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8000
8001         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8002
8003 2005-08-12  Paul Brook  <paul@codesourcery.com>
8004
8005         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8006
8007 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8008
8009         * config/s390/predicates.md (setmem_operand): New predicate.
8010         (shift_count_operand): Accept ANDs with special constants as
8011         operand.
8012         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8013         with special constants.
8014         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8015         shift_count_operand with setmem_operand.
8016
8017 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8018
8019         * config/s390/s390.c (s390_extract_part, s390_single_part):
8020         Type cast added.
8021         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8022         (s390_output_mi_thunk): Don't use lg on 31 bit.
8023         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8024         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8025
8026 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8027
8028         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8029         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8030         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8031         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8032         with one of the new macros.
8033
8034 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8035
8036         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8037         Don't set save_return_addr_p.
8038         (s390_register_info): Make clobbered_regs not depending on
8039         save_return_addr_p.
8040
8041 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8042
8043         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8044         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8045
8046 2005-08-11  James E. Wilson  <wilson@specifix.com>
8047
8048         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8049
8050 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8051
8052         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8053         locations gathered by var-tracking in single entry loc_list
8054         over loc_descriptor_from_tree.
8055
8056         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8057         pass it down to loc_descriptor.
8058         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8059         (containing_function_has_frame_base): Move earlier in the file.
8060         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8061         instead of always assuming fbreg can't be used.
8062
8063 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8064
8065         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8066         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8067         Accept address wrapped in AND for Altivec.
8068         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8069         Strip AND wrapping offset address for Altivec.
8070
8071 2005-08-11  Richard Henderson  <rth@redhat.com>
8072
8073         PR middle-end/23312
8074         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8075         before using TYPE_IS_SIZETYPE.
8076
8077 2005-08-11  Richard Henderson  <rth@redhat.com>
8078
8079         PR target/22225
8080         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8081         insn types not present on ev4.
8082         (alphaev5_insn_pipe): Similarly.
8083
8084 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8085
8086         PR target/23250
8087         * arm.c (arm_override_options): If the user has selected callee-super-
8088         interworking, then enable normal interworking.
8089
8090 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8091
8092         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8093         redefinition.
8094
8095 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8096
8097         * doc/rtl.texi: Fix two typos.
8098
8099 2005-08-11  Richard Guenther  <rguenther@suse.de>
8100
8101         PR target/23289
8102         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8103         cases where we call to/from functions returning void.
8104
8105 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8106
8107         PR c++/23225
8108         * tree.c (build_pointer_type_for_mode): Robustify.
8109
8110 2005-08-10  James E Wilson  <wilson@specifix.com>
8111
8112         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8113         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8114
8115         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8116         "cum->".
8117
8118 2005-08-10  Eric Christopher  <echristo@apple.com>
8119
8120         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8121         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8122         V2DFmode.
8123
8124 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8125
8126         PR target/21887
8127         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8128         for the high part when generating dynamic-no-pic code.
8129
8130 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8131
8132         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8133         (x86_64-*-linux*): Likewise.
8134
8135         * config/i386/crtfastmath.c: New file.
8136         * config/i386/t-crtfm: Likewise.
8137
8138         * config/i386/linux.h (ENDFILE_SPEC): New.
8139         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8140
8141         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8142         crtfastmath.o.
8143
8144 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8145
8146         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8147         (vec_shl, vec_shr): Document new operations.
8148         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8149
8150 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8151
8152         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8153         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8154         change predicate to indexed_or_indirect_address.
8155
8156 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8157
8158         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8159         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8160         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8161         and __aeabi_uwrite8.
8162         * config/arm/unaligned-funcs.c: New file.
8163         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8164
8165 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8166
8167         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8168         Add dump.
8169         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8170         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8171         Add dump.
8172         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8173         * final.c (pass_shorten_branches): Add dump.
8174         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8175         (pass_life): Rename dump.
8176         (rest_of_handle_flow2): Remove initial verify_flow_info.
8177         * function.c (pass_instantiate_virtual_regs): Add dump.
8178         * integrate.c (pass_initial_value_sets): Add dump.
8179         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8180         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8181         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8182         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8183         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8184         gate_rtl_unrool_and_peel_loops): New.
8185         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8186         rtl_doloop): Do not look at flags.
8187         * mode-switching.c (pass_mode_switching): Add dump.
8188         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8189         pass_split_before_regstack): Add dump.
8190         * regmove.c (pass_stack_adjustments): Add dump.
8191         * tree-optimize.c (pass_fixup_cfg): Add dump.
8192
8193 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8194
8195         PR 23309
8196         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8197         deciding which instruction sequence to use.
8198
8199 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8200
8201         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8202         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8203
8204 2005-08-09  Richard Guenther  <rguenther@suse.de>
8205
8206         * c-common.c (builtin_function_2): Remove.
8207         (def_builtin_1): New function.
8208         (c_common_nodes_and_builtins): Use def_builtin_1 to
8209         build builtin functions.
8210
8211 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8212
8213         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8214         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8215         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8216         Visual DSP.
8217
8218 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8219
8220         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8221         fold_binary instead of fold_build2 since we don't care about the
8222         resulting tree.
8223         (loop_niter_by_eval): Likewise.
8224         (compare_trees): Likewise.
8225         (proved_non_wrapping_p): Likewise.
8226
8227 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8228
8229         PR c/23161
8230         PR c/23165
8231         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8232         if the if is really empty.
8233
8234 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8235
8236         PR tree-optimization/23234
8237         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8238         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8239         argument of the new enum.
8240         (execute_cse_reciprocals): Add reciprocals for function arguments
8241         on the unique successor edge of the entry block.  Update other calls
8242         to execute_cse_reciprocals_1.
8243
8244 2005-08-08  Richard Henderson  <rth@redhat.com>
8245
8246         PR 22439
8247         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8248
8249 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8250
8251         * expr.c (write_complex_part): Return after handling MEM.
8252
8253 2005-08-08  Josh Conner  <jconner@apple.com>
8254
8255         PR rtl-optimization/23241
8256         * combine.c (simplify_comparison): Fix error in determining
8257         whether to lift a subreg from comparison.
8258
8259 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8260
8261         PR target/18506
8262         * config/rs6000/altivec.md (vec_init<mode>): New.
8263         (vec_set<mode>): New.
8264         (vec_extract<mode>): New.
8265         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8266         (rs6000_expand_vector_set): New.
8267         (rs6000_expand_vector_extract): New.
8268         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8269         for Altivec modes before reload.
8270         (altivec_expand_vec_init_builtin): New.
8271         (get_element_number): New.
8272         (altivec_expand_vec_set_builtin): New.
8273         (altivec_expand_vec_ext_builtin): New.
8274         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8275         builtins.
8276         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8277         builtins.
8278         * config/rs6000/rs6000.h (rs6000_builtins): Add
8279         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8280         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8281         * config/rs6000/rs6000-protos.h: Declare new functions.
8282
8283 2005-08-08  Jan Hubicka  <jh@suse.cz>
8284
8285         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8286         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8287         * i386.md (movdi*): Use pic_32bit_operand.
8288         * predicates.md (pic_32bit_operand): New.
8289
8290 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8291
8292         PR c++/21166
8293         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8294
8295 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8296
8297         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8298         (test_for_singularity): Use fold_build2.
8299
8300 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8301
8302         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8303
8304 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8305
8306         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8307         (COMMON_ASM_OP) Define.
8308         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8309         (ix86_encode_section_info): Likewise.
8310         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8311         SUBTARGET_ENCODE_SECTION_INFO.
8312
8313 2005-08-06  Richard Henderson  <rth@redhat.com>
8314
8315         PR 21894
8316         * tree-nested.c (convert_local_reference): Save and restore val_only
8317         around component_ref and friends.  Clear walk_subtrees by default.
8318
8319 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8320
8321         PR 21366
8322         * gcc.c (process_command): Check the argument to -b has a dash.
8323         * doc/invoke.texi: Update -b and -V docs.
8324
8325 2005-08-06  James E Wilson  <wilson@specifix.com>
8326
8327         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8328
8329 2005-08-06  Michael Matz  <matz@suse.de>
8330
8331         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8332         member only if only one insn is associated with the value.
8333
8334 2005-08-06  Nick Clifton  <nickc@redhat.com>
8335
8336         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8337         New define.
8338         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8339         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8340         Check symbol flags instead of symbol name mangling.
8341         (xstormy16_asm_output_aligned_common): Likewise.  Also
8342         simplify code since the bss100_section cass is the only case
8343         where the below100 code will be triggered.
8344         (xstormy16_encode_section_info): Encode below100 attribute
8345         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8346         the name.
8347         (xstormy16_strip_name_encoding): Delete - this function is no
8348         longer needed.
8349         (TARGET_STRIP_NAME_ENCODING): Undefine.
8350         * config/stormy16/stormy16-protos.h: Delete prototype for
8351         xstormy16_strip_name_encoding.
8352
8353 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8354
8355         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8356         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8357         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8358         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8359         config/alpha/predicates.md, config/arc/arc.h,
8360         config/arm/arm.h, config/arm/ieee754-df.S,
8361         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8362         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8363         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8364         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8365         config/m68hc11/m68hc11.h, config/mips/mips.c,
8366         config/mips/mips.h, config/mips/openbsd.h,
8367         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8368         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8369         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8370         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8371         config/sparc/linux.h, config/sparc/linux64.h,
8372         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8373         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8374         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8375         typos.  Follow spelling conventions.
8376
8377 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8378
8379         PR c/23113
8380         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8381         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8382         specially.  Check for side effects only for COND_EXPR.
8383         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8384         return with TREE_NO_WARNING.
8385
8386 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8387
8388         PR rtl-optimization/23233
8389         * loop.c (combine_movables): Require the modes to be the same.
8390         (move_movables): Remove handling of cases where the replacement
8391         had a different mode to the original.
8392
8393 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8394
8395         PR tree-optimization/23128
8396         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8397         subtraction wrap, and set TREE_OVERFLOW if they do.
8398
8399 2005-08-05  Richard Henderson  <rth@redhat.com>
8400
8401         PR 21728
8402         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8403         FORCED_LABEL labels.
8404
8405 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8406
8407         PR middle-end/23135
8408         * reload.c (find_reloads_subreg_address): Pass down TYPE
8409         unchanged.  Change all callers except find_reloads_toplev.
8410
8411 2005-08-05  Michael Matz  <matz@suse.de>
8412
8413         * genattrtab.c (current_alternative_string): Remove.
8414         (SIMPLIFY_ALTERNATIVE): Ditto.
8415         (attr_alt_bit_p): Ditto.
8416         (alternative_name): Make const char *.
8417         (evaluate_eq_attr): Remove use of above things.
8418         (simplify_test_exp): Ditto.
8419         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8420         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8421
8422 2005-08-04  James E Wilson  <wilson@specifix.com>
8423
8424         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8425         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8426         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8427         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8428         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8429
8430 2005-08-04  Richard Henderson  <rth@redhat.com>
8431
8432         PR 21529
8433         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8434         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8435         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8436         if we'd have to instantiate too many members.
8437
8438 2005-08-04  Richard Henderson  <rth@redhat.com>
8439
8440         PR 21291
8441         * tree-outof-ssa.c (coalesce_asm_operands): New.
8442         (coalesce_ssa_name): Use it.  Split out ...
8443         (coalesce_phi_operands, coalesce_result_decls): ... these.
8444
8445 2005-08-04  Paul Brook  <paul@codesourcery.com>
8446
8447         * read-rtl.c (read_quoted_string): Break if EOF.
8448
8449 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8450
8451         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8452         (fold_build2): Likewise.
8453         (fold_build3): Likewise.
8454         (fold_build1_stat): New function prototype.
8455         (fold_build2_stat): Likewise.
8456         (fold_build3_stat): Likewise.
8457         * fold-const.c (fold_build1): Rename to ..
8458         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8459         through to build1_stat.
8460         (fold_build2): Rename to ..
8461         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8462         through to build2_stat.
8463         (fold_build3): Rename to ..
8464         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8465         through to build3_stat.
8466
8467 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8468             Ian Lance Taylor  <ian@airs.com>
8469
8470         * function.c (assign_stack_local_1): Do not correct stack slot
8471         address if allocation size is smaller than mode size.
8472
8473 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8474
8475         PR 22037
8476         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8477         (tree_merge_blocks): Propagate anything allowed by
8478         may_propagate_copy.
8479         Clarify documentation.
8480         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8481         SSA form, schedule an update if necessary.
8482
8483 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8484
8485         * doc/install.texi (Binaries): Remove broken link to
8486         Sinix/Reliant Unix binaries.
8487
8488 2005-08-03  Richard Henderson  <rth@redhat.com>
8489
8490         PR 23221
8491         * function.c (stack_protect_epilogue): Export.
8492         * tree.h (stack_protect_epilogue): Declare.
8493         * calls.c (expand_call): Call it.
8494
8495 2005-08-03  Eric Christopher  <echristo@apple.com>
8496
8497         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8498         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8499         spec.
8500
8501 2005-08-04  Jan Hubicka  <jh@suse.cz>
8502
8503         * profile.c (branch_prob): Split edges with goto locus on them
8504         to get proper line counts.
8505         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8506
8507 2005-08-03  Paul Brook  <paul@codesourcery.com>
8508
8509         * function.c (assign_parms): Round current_function_args_size
8510         to PARM_BOUNDARY, not STACK_BOUNDARY.
8511
8512 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8513
8514         * config/i386/i386.c (x86_elf_aligned_common)
8515         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8516
8517 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8518
8519         PR tree-optimization/23157
8520         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8521         before emitting them.
8522
8523 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8524
8525         PR tree-optimization/19899
8526         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8527         * tree-scalar-evolution.c: Include real.h.
8528         (add_to_evolution): Build constant -1 of correct type.
8529
8530 2005-08-03  Jan Hubicka  <jh@suse.cz>
8531
8532         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8533         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8534         profile updating for complette unrolling.
8535         * loop-unroll.c (peel_loop_completely): Use it.
8536         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8537         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8538         loops.
8539
8540 2005-08-03  Paul Brook  <paul@codesourcery.com>
8541
8542         * combine.c (can_change_dest_mode): New function.
8543         (try_combine, simplify_set): Use it.
8544
8545 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8546
8547         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8548         TFmode to BLKmode.
8549
8550 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8551
8552         * doc/install.texi (Specific): Adjust link to openavr.org.
8553         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8554         (Binaries): Adjust HP-UX Porting Center link.
8555         (Binaries): Adjust Free Software Foundation ordering link.
8556
8557 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8558
8559         * convert.c (convert_to_integer): Use fold_build1 instead of
8560         build1 when converting an integer to an integer.
8561
8562 2005-08-02  Richard Henderson  <rth@redhat.com>
8563
8564         * combine.c (combine_instructions): Don't use reg_equal/equiv
8565         results if the mode doesn't match.
8566
8567 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8568
8569         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8570         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8571
8572 2005-08-02  Richard Henderson  <rth@redhat.com>
8573
8574         PR 23196
8575         * explow.c (memory_address): Remove special-case for
8576         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8577
8578 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8579
8580         PR 23164
8581         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8582         number of calls to cleanup_tree_cfg_1.
8583
8584 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8585
8586         * doc/invoke.texi: document file extensions .F90 and .F95
8587
8588 2005-08-02  Richard Guenther  <rguenther@suse.de>
8589
8590         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8591         positive if its first argument is positive.
8592
8593 2005-08-02  Richard Guenther  <rguenther@suse.de>
8594
8595         PR tree-optimization/23177
8596         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8597         on TMR_TAG.
8598
8599 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8600
8601         PR tree-optimization/23129
8602         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8603         varying for divisions with anti-ranges.
8604
8605 2005-08-02  Jan Hubicka  <jh@suse.cz>
8606
8607         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8608         * tree-ssa-threadupdate.c (thread_block): Add it here.
8609
8610 2005-08-01  James E Wilson  <wilson@specifix.com>
8611
8612         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8613         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8614         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8615         New.
8616         * config/mips/predicates.md (const_call_insn_operand): Add check for
8617         SYMBOL_REF_LONG_CALL_P.
8618         * doc/extend.texi (long_call): Document the new attribute.
8619
8620 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8621             Richard Henderson  <rth@redhat.com>
8622
8623         * Makefile.in (RTL_BASE_H): Add real.h.
8624         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8625         instead of memcpy.
8626         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8627         directly.
8628         * rtl.c (rtl_check_failed_code_mode): New.
8629         * rtl.h (struct rtx_def): Add u.rv.
8630         (XCMWINT, XCNMPRV): New.
8631         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8632         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8633
8634 2005-08-01  Richard Henderson  <rth@redhat.com>
8635
8636         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8637         with auto-inc codes.
8638
8639         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8640
8641 2005-08-01  Jan Hubicka  <jh@suse.cz>
8642
8643         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8644         * i386.c: Include dwarf2.h
8645         (asm_preferred_eh_data_format): New.
8646         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8647
8648 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8649
8650         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8651         randomize_va_space for virtual address randomization control.
8652
8653 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8654
8655         * common.opt (flag_ipa_cp): Put in right place to maintain
8656         alphabetic sort.
8657
8658 2005-08-01  Jan Hubicka  <jh@suse.cz>
8659
8660         * profile.c (compute_value_histograms): Fix thinko.
8661         * value-prof.c: Include toplev.h
8662         (check_counter): New function.
8663         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8664         tree_mod_subtract_transform): Add sanity check.
8665
8666 2005-08-01  Richard Guenther  <rguenther@suse.de>
8667
8668         PR tree-optimization/23133
8669         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8670         current functions parameter decls to find defs to cse
8671         reciprocals of.
8672
8673 2005-08-01  Richard Guenther  <rguenther@suse.de>
8674
8675         PR tree-optimization/23109
8676         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8677         If trapping math is in effect, use post-dominator information
8678         to check if we'd in any case reach a trapping point before
8679         doing the reciprocal insertion.
8680         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8681         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8682         expressions are invariant only if trapping math is not in effect.
8683
8684 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8685
8686         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8687         cgraph_function_versioning): New declarations.
8688         * cgraphunit.c: Add include to ipa-prop.h.
8689         (update_call_expr, cgraph_copy_node_for_versioning,
8690         cgraph_function_versioning): New functions.
8691         * integrate.c (copy_decl_for_inlining): Remove.
8692         * ipa-prop.h (ipa_replace_map): New struct.
8693         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8694         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8695         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8696         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8697         ipcp_iterate_stage, ipcp_method_scale_print,
8698         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8699         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8700         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8701         ipcp_update_bb_counts, ipcp_update_profiling,
8702         ipcp_update_edges_counts): New functions.
8703         (ipcp_method_cval_init): Remove restriction regarding local methods.
8704         (ipcp_init_stage): Add ipcp_method_compute_scale.
8705         (ipcp_insert_stage): Add versioning.
8706         (ipcp_structures_print): Add ipcp_method_scale_print.
8707         (ipcp_driver): Dump profiling info.
8708         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8709         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8710         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8711         (struct inline_data): Add versioning_p, ipa_info, new fields.
8712         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8713         declare_return_variable): Replace calls to copy_decl_for_inlining with
8714         copy_decl_for_dup.
8715         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8716         versioning support.
8717         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8718         Add argument VERSIONING.
8719         (copy_arguments_for_versioning, copy_static_chain,
8720         function_versionable_p, tree_versionable_function_p,
8721         tree_function_versioning, replace_ref_tree): New functions.
8722         * tree-inline.h: Include varray.h.
8723         (tree_versionable_function_p,  tree_function_versioning,
8724         tree copy_decl_for_dup): New declarations.
8725
8726 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8727
8728         * ipa-cp.c: New file. Contains IPCP specific functionality.
8729         * ipa-prop.h: New file. Contains structures/definitions that can be
8730         used by several interprocedural data flow optimizations (and also IPCP).
8731         * ipa-prop.c: New file.
8732         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8733         * common.opt: Add ipa-cp flag.
8734         * timevar.def: Add IPCP optimization.
8735         * tree-optimize.c (init_tree_optimization_passes): Schedule
8736         pass_ipa_cp.
8737         * tree-pass.h (pass_ipa_cp): Declare.
8738
8739 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8740
8741         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8742         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8743         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8744         config/i386/i386.c, config/mips/mips.h,
8745         config/rs6000/rs6000.h, config/sh/sh.c,
8746         config/stormy16/stormy16.c: Fix comment typos.
8747
8748 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8749
8750         PR c/22311
8751         * c-typeck.c (build_binary_op): Use common_type wrapper on
8752         shortened types.
8753         (common_type): Update comment.
8754
8755 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8756
8757         PR target/23095
8758         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8759         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8760         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8761
8762 2005-07-31  Jan Hubicka  <jh@suse.cz>
8763
8764         * pretty-print.h (pp_widest_integer): New macro.
8765         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8766         counts.
8767
8768 2005-07-31  Jan Hubicka  <jh@suse.cz>
8769
8770         * output.h (enum section_category): Export from varasm.c
8771         (categorize_decl_for_section): Likewise.
8772         * varasm.c (enum section_category): Kill.
8773         (categorize_decl_for_section): Make global.
8774         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8775         Declare.
8776         * i386.c (ix86_section_threshold): New static variable.
8777         (ix86_in_large_data_p, ix86_encode_section_info,
8778         x86_64_elf_unique_section,
8779         x86_64_elf_select_section): New functions.
8780         (TARGET_ENCODE_SECTION_INFO): Define
8781         (override_options): Enable medium model for PIC.
8782         (ix86_expand_prologue): Expand gen_set_got_rex64.
8783         (legitimate_constant_p): Handle new UNSPECs.
8784         (legitimate_pic_address_disp_p): Likewise.
8785         (legitimize_pic_address): Lower MEDIUM model addressing.
8786         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8787         (enum cmodel): Add MEDIUM_PIC.
8788         (SYMBOL_REF_FAR_ADDR_P): New macro.
8789         (SYMBOL_FLAG_FAR_ADDR): New flag.
8790         * i386.md (movdi): Support medium model.
8791         (set_got_rex64): New pattern.
8792         * i386.opt (mlarge-data-threshold): New flag.
8793         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8794         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8795         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8796         TARGET_ASM_UNIQUE_SECTION): New.
8797
8798         * invoke.texi (-mlarge_data_threshold): Document
8799
8800 2005-07-31  Jan Hubicka  <jh@suse.cz>
8801
8802         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8803         (coalesce_vars): Likewise.
8804         * tree-ssa-live.c (coalesce_cost): New.
8805         (build_tree_conflict_graph): Use coalesce_cost.
8806         * tree-ssa-live.h (coalesce_cost): Declare.
8807
8808 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8809
8810         * arm.md (all peepholes for post-increment operations): Delete.
8811         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8812         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8813         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8814         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8815         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8816
8817 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8818
8819         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8820         non-integral types.
8821
8822 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8823
8824         PR target/22582
8825         * doc/invoke.texi: Document -rdynamic.
8826
8827 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8828
8829         PR c/23143
8830         * c-parser.c (c_parser_parms_list_declarator): Call
8831         mark_forward_parm_decls.
8832         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8833         decls with visibility structure.
8834
8835 2005-07-30  Paul Brook  <paul@codesourcery.com>
8836
8837         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8838
8839 2005-07-30  Paul Brook  <paul@codesourcery.com>
8840
8841         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8842         prototype.
8843         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8844         value for mode.
8845         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8846
8847 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8848
8849         PR c/529
8850         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8851         nested function declarators.
8852         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8853         (grokparms): Call warn_if_shadowing for parameters used within the
8854         parameter list.
8855         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8856         not used within the parameter list.
8857         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8858
8859 2005-07-30  Jan Hubicka  <jh@suse.cz>
8860
8861         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8862         * i386.c (ix86_fixup_binary_operands): Likewise.
8863         (ix86_expand_unary_operator): Likewise.
8864         (ix86_expand_fp_absneg_operator): Likewise.
8865         * optabs.c (expand_vec_cond_expr): Validate dest.
8866
8867 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8868
8869         PR c/21720
8870         * real.c (real_from_string): Also set last bit if there is a
8871         nonzero hex digit beyond GCC's internal precision after ".".
8872
8873 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8874
8875         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8876         define_constants.  Change duplicate values to unassigned numbers.
8877         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8878         (*altivec_vspltsf): New.
8879         (altivec_vperm_v4sf): Delete.
8880         (altivec_vperm_<mode>): Use mode macro V.
8881         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8882         (altivec_predicate_v4sf): Delete.
8883         (altivec_predicate_<mode>): Use mode macro V.
8884         (*altivec_lvesfx): New.
8885         (*altivec_stvesfx): New.
8886         (vec_realign_load_v4sf): Delete.
8887         (vec_realign_load_<mode>): Use mode macro V.
8888         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8889         UNSPECV_SET_VRSAVE.
8890
8891 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8892
8893         PR bootstrap/23131
8894         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8895         string.
8896         * configure: Regenerated.
8897
8898 2005-07-29  Paul Brook  <paul@codesourcery.com>
8899
8900         * doc/install.texi: Add link to GFortran binaries wiki page.
8901
8902 2005-07-29  David Ung  <davidu@mips.com>
8903
8904         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8905         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8906         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8907         * config/mips/mips.md (cpu): Add 5kf name.
8908         (includes): Includes 5k.md.
8909         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8910         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8911         -march flag.
8912
8913 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8914
8915         PR 22550
8916         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8917         (cleanup_tree_cfg): ... here.
8918         Call cleanup_tree_cfg_1 until there are no more cleanups to
8919         do.
8920
8921 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8922
8923         * tree-vrp.c (compare_range_with_value): Return true or false
8924         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8925         EQ_EXPR respectively.
8926
8927 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8928
8929         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8930         Fix comment typos.
8931
8932 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8933
8934         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8935         (tree_ssa_dominator_optimize): Increment it.
8936         (dump_dominator_optimization_stats): Print it.
8937
8938 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8939             Steven Bosscher  <stevenb@suse.de>
8940
8941         PR rtl-optimization/23117
8942         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8943         when head == tail.  Tidy comment.
8944
8945 2005-07-28  Richard Henderson  <rth@redhat.com>
8946
8947         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8948         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8949         * jump.c (rtx_renumbered_equal_p): Likewise.
8950         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8951         CONST_INT and CONST_DOUBLE.
8952         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8953         * reload.c (operands_match_p): Special case CONST_INT and
8954         CONST_DOUBLE; check mode earlier.
8955
8956 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8957
8958         PR c/22240
8959         * c-typeck.c (convert_for_assignment): Do not check
8960         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8961
8962 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8963
8964         PR c/22192
8965         * c-typeck.c (composite_type): Prefer constant size arrays to
8966         VLAs.
8967
8968 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8969
8970         PR c/21720
8971         * real.c (real_from_string): Set last bit if there is a nonzero
8972         hex digit beyond GCC's internal precision.
8973
8974 2005-07-28  Richard Henderson  <rth@redhat.com>
8975
8976         PR rtl-opt/22619
8977         * cfgcleanup.c (try_forward_edges): Watch out for end of
8978         insn chain.
8979
8980 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8981
8982         PR c/23106
8983         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8984
8985 2005-07-28  Jan Hubicka  <jh@suse.cz>
8986
8987         * Makefile.in (rtl-profile.o): Kill all traces of it.
8988         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8989         * coverage.h (rtl_coverage_counter_ref): Kill.
8990         * opts.c (flag_speculative_prefetching_set): Kill.
8991         (flag_loop_optimize_set): New.
8992         (common_handle_option): Disable loop optimizer when profiling;
8993         do not handle speculative prefetching.
8994         * passes.c (init_optimization_passes): Replace pass_profiling combo
8995         by branch_prob pass.
8996         * profile.c (compute_value_histograms): Update for simplified value
8997         profiles.
8998         (rtl_register_profile_hooks): Kill.
8999         (pass_profiling): Kill.
9000         (rest_of_handle_branch_prob): Do not profile.
9001         * toplev.c (process_options): Remove speculative prefetching.
9002         * toplev.h (flag_tree_based_profiling): Kill.
9003         * tree-profile.c (prepare_instrumented_value,
9004         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9005         tree_gen_one_value_profiler, do_tree_profiling): Update for
9006         simplified datastructures.
9007         * value-prof.c: Add comment that speculative prefetching was dropped;
9008         update rest of file for simplified datastructures.
9009         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9010         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9011         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9012         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9013         rtl_mod_subtract, gen_speculative_prefetch,
9014         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9015         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9016         (gate_handle_value_profile_transformations,
9017         rest_of_handle_value_profile_transformations,
9018         pass_value_profile_transformations): Kill.
9019         * value-prof.h (histogram_value_t): Remove IL based unions.
9020         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9021         rtl_profile_hooks): Remove hooks.
9022
9023         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9024
9025         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9026         (cgraph_clone_node): Likewise.
9027         * cgraph.h (cgraph_clone_edge): Update prototype.
9028         (cgraph_clone_node): Likewise.
9029         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9030         cgraph_clone_node.
9031         (lookup_recursive_calls): Consider profile.
9032         (cgraph_decide_recursive_inlining): Fix updating; use new
9033         probability argument; use profile.
9034         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9035         * tree-inline.c (copy_bb): Update clal of clone_edge.
9036         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9037
9038         * invoke.texi (min-inline-recursive-probability): Document.
9039
9040 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9041
9042         * doc/install.texi (Configuration): Update Valgrind homepage.
9043
9044 2005-07-28  Richard Henderson  <rth@redhat.com>
9045
9046         PR middle-end/21362
9047         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9048         labels we want to delete.
9049         (cfg_layout_merge_blocks): Likewise.
9050
9051 2005-07-28  Richard Henderson  <rth@redhat.com>
9052
9053         PR target/17692
9054         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9055         when expanding to nothing.
9056
9057 2005-07-28  Josh Conner  <jconner@apple.com>
9058
9059         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9060         (cgraph_decide_inlining_of_small_functions): Likewise.
9061
9062 2005-07-28  Josh Conner  <jconner@apple.com>
9063
9064         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9065         direction of badness if negative.
9066         (cgraph_default_inline_p): Add reason to parameters, and assign it
9067         a value.
9068         (cgraph_decide_inlining_of_small_functions): New parameter in call
9069         to cgraph_default_inline_p.
9070         (cgraph_decide_inlining_incrementally): Likewise.
9071         * cgraphunit.c (decide_is_function_needed): Likewise.
9072         * cgraph.h (cgraph_default_inline_p): Likewise.
9073
9074 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9075
9076         * builtins.c: Fix comment typo(s).
9077         * genautomata.c: Likewise.
9078         * gimplify.c: Likewise.
9079         * tree-dfa.c: Likewise.
9080         * tree-flow-inline.h: Likewise.
9081         * tree-into-ssa.c: Likewise.
9082         * tree-ssa-alias.c: Likewise.
9083         * tree-ssa-ccp.c: Likewise.
9084         * tree-ssa-copy.c: Likewise.
9085         * tree-ssa-dce.c: Likewise.
9086         * tree-ssa-dom.c: Likewise.
9087         * tree-ssa-operands.c: Likewise.
9088         * tree-tailcall.c: Likewise.
9089         * tree-vectorizer.c: Likewise.
9090         * tree-vrp.c: Likewise.
9091         * tree.c: Likewise.
9092
9093 2005-07-28  Jeff Law  <law@redhat.com>
9094
9095         * tree-vrp.c (test_for_singularity): Extracted from  ...
9096         (simplify_cond_using_ranges): Attempt to simplify a relational
9097         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9098
9099 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9100
9101         PR tree-optimization/22506
9102         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9103         phis whose argument is constant.
9104
9105 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9106
9107         PR rtl-optimization/18992
9108         Back out this patch:
9109           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9110           PR optimization/12142
9111           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9112           uses of the register in the SET_SRC.  Remove unnecessary argument.
9113
9114         Replace it with this:
9115         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9116         if flag_non_call_exceptions is set and the insn may trap, pass
9117         pc_rtx as dest for recursion.
9118         In SET_SRC part of SET case, if dest is already set, pass it down
9119         unchanged.
9120
9121 2005-07-28  Jan Hubicka  <jh@suse.cz>
9122
9123         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9124         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9125         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9126         roundoff errors.
9127         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9128         profile when available.
9129
9130 2005-07-28  Jan Beulich <jbeulich@novell.com>
9131
9132         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9133         (ia64_print_operand): Describe and handle 'X'.
9134         (ia64_register_move_cost): Also handle FP_REGS.
9135         (ia64_preferred_reload_class): Likewise.
9136         (ia64_secondary_reload_class): Likewise.
9137         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9138         it. Also check for ITANIUM_CLASS_FLDP.
9139         * config/ia64/ia64.h (FP_REGNO_P): New.
9140         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9141         (reg_class): Add FP_REGS.
9142         (REG_CLASS_NAMES): Adjust for it.
9143         (REG_CLASS_CONTENTS): Likewise.
9144         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9145         (REG_CLASS_FROM_LETTER): Handle 'x'.
9146         (CLASS_MAX_NREGS): Handle FP_REGS.
9147         (MEMORY_MOVE_COST): Likewise.
9148         * config/ia64/ia64.md (itanium_class): Add fldp.
9149         (type): Handle fldp.
9150         (movti_internal): More allowable operand combinations. Use ldfp8 when
9151         splitting unnecessary. Remove predicable attribute. Adjust
9152         itanium_class attribute.
9153         (smuldi3_highpart): Remove outdated comment.
9154         (mulditi3, umulditi3, rotlti3): New expanders.
9155         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9156         (absti2): Disabled new insn for future reference.
9157         Respective new splitters.
9158         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9159         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9160         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9161
9162 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9163
9164         PR rtl-optimization/23047
9165         * simplify-rtx.c (simplify_const_relational_operation): Respect
9166         flag_wrapv for comparisons with ABS.
9167
9168 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9169
9170         PR tree-optimization/22493
9171         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9172         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9173
9174 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9175
9176         * config/frv/frv.opt (moptimize-membar): New.
9177
9178         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9179
9180         * config/frv/frv.h: Remove machine_function definition.
9181
9182         * config/frv/frv.c (struct frv_io): New.
9183         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9184         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9185         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9186         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9187         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9188         (frv_reorg): Call frv_optimize_membar when appropriate.
9189         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9190         (frv_expand_builtin): Adjust calls accordingly.
9191         (frv_io_address_cookie): New function.
9192         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9193         load or store rather than a special insn.  Add ccnstant address and
9194         io-type operands to the membar.
9195         (frv_ifcvt_modify_tests): Unsign regno.
9196         (frv_ifcvt_modify_tests): Same.
9197
9198         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9199         UNSPEC_OPTIONAL_MEMBAR constant.
9200         (builtin_read_<mode>): Delete.
9201         (builtin_write_<mode>): Delete.
9202         ("optional_membar_<mode>"): Add operand.
9203
9204         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9205         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9206         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9207         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9208         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9209         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9210         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9211         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9212         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9213
9214 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9215
9216         * df.c (df_uses_record): Handle SCRATCH.
9217
9218 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9219
9220         PR debug/20161
9221         * passes.c (rest_of_decl_compilation): If decl is a type and
9222         we have encountered errors, don't emit debug information.
9223
9224 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9225
9226         * params.def: Fixed comment.
9227
9228 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9229
9230         PR target/19885
9231         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9232         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9233         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9234
9235 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9236
9237         PR c++/22003
9238         * varasm.c (assemble_start_function): Don't do anything that may
9239         require a CFG if the current function is a thunk.
9240
9241 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9242
9243         * doc/install.texi (Prerequisites): Mention that perl is needed
9244         to do export control in libstdc++ targetting Darwin.
9245
9246 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9247
9248         PR rtl-optimization/17808
9249         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9250         (sched_insns_conditions_mutex_p): Split out from...
9251         (add_dependence): ...here.  But don't call it from here.
9252         (add_dependence_list): Check sched_insns_conditions_mutex_p
9253         before calling add_dependence.
9254         (add_dependence_list_and_free): Likewise.
9255         (fixup_sched_groups): Likewise.
9256         (sched_analyze_1): Likewise.
9257         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9258         (sched_analyze): Likewise.
9259         (sched_analyze_insn): Likewise.
9260         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9261         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9262         dependencies on all COND_EXEC insns to jumps ending basic blocks
9263         when doing intrablock scheduling.
9264         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9265
9266 2005-07-27  Jeff Law  <law@redhat.com>
9267
9268         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9269         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9270         equivalency sets, correctly handle the case were vr0 has an
9271         equivalency set, but vr1 does not.
9272
9273 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9274
9275         PR tree-optimization/23073
9276         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9277         vect_print_dump_info before fprintf.
9278
9279 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9280
9281         PR tree-optimize/22348
9282         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9283         Fold the partial computation.
9284
9285 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9286
9287         PR tree-optimization/22325
9288         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9289         Declare.
9290         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9291         value replacement.
9292         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9293         (force_var_cost): ... this function.
9294         (compute_phi_arg_on_exit): Export.
9295
9296 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9297
9298         PR tree-optimization/20773
9299         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9300         edge.
9301
9302 2005-07-27  Richard Guenther  <rguenther@suse.de>
9303
9304         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9305         Avoid pushing again if current struct contains only
9306         fields we decomposed.
9307
9308 2005-07-27  Jan Hubicka  <jh@suse.cz>
9309
9310         PR tree-optimization/22574
9311         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9312         not available.
9313
9314         * tree-tailcall.c (decrease_profile): New function.
9315         (eliminate_tail_call): Use it.
9316
9317         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9318         visibility flags correctly in whole program mode.
9319
9320 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9321
9322         PR rtl-optimization/22472
9323         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9324
9325 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9326
9327         PR tree-optimization/22504
9328         * tree-complex.c (expand_complex_addition): Use 'code' instead
9329         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9330
9331 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9332
9333         * config.gcc (cpu_type): Add frv case.
9334         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9335         (supported_defaults): Add fr550 case.
9336
9337 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9338
9339         PR 22591
9340         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9341         whether a pointer of type T * may point to objects of type T *.
9342
9343 2005-07-26  DJ Delorie  <dj@redhat.com>
9344
9345         * configure: Regenerate.
9346
9347 2005-07-26  Dale Johannesen  <dalej@apple.com>
9348
9349         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9350
9351 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9352
9353         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9354         Clarify use of "build" in name.
9355
9356 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9357
9358         * doc/extend.texi (Raw read/write Functions): New section.
9359         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9360         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9361         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9362         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9363         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9364         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9365         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9366         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9367         * config/frv/frv.c: Add bdesc_loads global.
9368         Add bdesc_stores global.
9369         (frv_init_builtins): Add support for __builtin_{read/write}*.
9370         (frv_volatile_memref): New.
9371         (frv_expand_load_builtin): New.
9372         (frv_expand_store_builtin): New.
9373         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9374         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9375         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9376         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9377         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9378         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9379         (builtin_read_<mode>): New.
9380         (builtin_write_<mode>): New.
9381         (builtin_write64): New.
9382         (optional_membar_<mode>): New.
9383
9384 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9385
9386         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9387         (rather than units) against HOST_BITS_PER_WIDE_INT.
9388
9389 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9390
9391         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9392         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9393         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9394         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9395         FSF address.
9396
9397         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9398         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9399         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9400         comment typos.
9401         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9402
9403 2005-07-26  Richard Guenther  <rguenther@suse.de>
9404
9405         PR tree-optimization/22486
9406         * fold-const.c (fold_unary): Fold away useless component
9407         references of the form (T *)&T.x, if the address
9408         doesn't change.
9409
9410 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9411
9412         * dwarf2out.c (add_call_src_coords_attributes): New.
9413         (gen_inlined_subroutine_die): Call it.
9414         (maybe_emit_file, init_file_table): Add comments.
9415         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9416         maybe_emit_file.
9417         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9418         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9419         * tree.h (BLOCK_SOURCE_LOCATION): New.
9420         (struct tree_block): New field locus.
9421
9422 2005-07-26  Andreas Schwab  <schwab@suse.de>
9423
9424         PR rtl-optimization/23043
9425         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9426         when allocating a struct unoccr.
9427
9428 2005-07-25  Richard Henderson  <rth@redhat.com>
9429
9430         PR 22626
9431         * tree-complex.c (gate_no_optimization): True if errors.
9432         * Makefile.in (tree-complex.o): Update dependencies.
9433
9434 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9435
9436         * config/frv/predicates.md (integer_register_operand): Use
9437         GPR_AP_OR_PSEUDO_P.
9438
9439 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9440
9441         PR tree-opt/22484
9442         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9443         after fold.
9444         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9445
9446 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9447
9448         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9449         types when flag_unsafe_math_optimizations is true.
9450
9451 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9452
9453         * gcc.c (option_map): Add --sysroot.
9454         (process_command): Handle --sysroot.
9455         (display_help): Document it.
9456         * doc/cppopts.tex (-isysroot): Document.
9457         * doc/invoke.texi (--sysroot): Document.
9458         * doc/install.texi (--with-build-sysroot): Document.
9459
9460         * Makefile.in (inhibit_libc): New variable.
9461         (INHIBIT_LIBC_CFLAGS): Likewise.
9462         (LIBGCC2_CFLAGS): Include
9463         $(INHIBIT_LIBC_CFLAGS).
9464         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9465         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9466         ($(T)crtend.o): Likewise.
9467         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9468         ($(T)crtendS.o): Likewise.
9469         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9470         ($(T)crtendT.o): Likewise.
9471         (stmp-fixinc): Do not complain about missing headers if
9472         inhibit_libc.
9473         * configure.ac (inhibit_libc): Set it to true/false.
9474         (--with-build-sysroot): New option.  Use it to set
9475         SYSTEM_HEADER_DIR.
9476         * configure: Regenerated.
9477
9478 2005-07-25  Manfred Hollstein  <mh@suse.com>
9479
9480         * calls.c (store_one_arg): Fix unsigned comparison warning.
9481
9482 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9483
9484         PR other/22337
9485         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9486         (ggc_print_statistics): Initialize variable before use.
9487
9488 2005-07-25  Richard Guenther  <rguenther@suse.de>
9489
9490         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9491         calling with a PHI_NODE argument.
9492
9493         * tree-flow-inline.h (overlap_subvar): Protect against
9494         possible overflow.
9495
9496 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9497
9498         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9499         * configure: Regenerate.
9500
9501 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9502
9503         * expr.c (highest_pow2_factor): Make extern.
9504         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9505         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9506         record_array_differ_p, array_ptr_differ_p): Likewise.
9507         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9508         additional cases. Call the above functions.
9509         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9510         base_object_differ_p when there are two base objects. Otherwise, compare
9511         base address and offset. Call may_alias_p.
9512         (dump_data_reference): Use a correct field name.
9513         (analyze_array): Make static. Initialize new data-ref fields.
9514         (analyze_indirect_ref): New function.
9515         (init_data_ref): Initialize new data-ref fields.
9516         (strip_conversion): Moved from tree-vect-analyze.c.
9517         (analyze_offset_expr, get_ptr_offset, address_analysis,
9518         object_analysis): Likewise.
9519         (analyze_offset): New function.
9520         (create_data_ref): Likewise.
9521         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9522         dimensions for ARRAY_REFs only.
9523         (build_classic_dist_vector): Make static.
9524         (access_functions_are_affine_or_constant_p): Call macro to get the
9525         address of access functions.
9526         (compute_all_dependences): Add new parameter
9527         compute_self_and_read_read_dependences. Compute self and read-read
9528         dependences if it is true.
9529         (find_data_references_in_loop): Call create_data_ref. Initialize new
9530         data-ref fields.
9531         (compute_data_dependences_for_loop): Add new parameter
9532         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9533         compute nb_loops. Call compute_all_dependences,
9534         build_classic_dist_vector and build_classic_dir_vector with correct
9535         parameters.
9536         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9537         with correct parameters. Compare dimensions for ARRAY_REFs only.
9538         (free_data_refs): Call macro to free access functions.
9539         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9540         fields from stmt_vinfo.
9541         (struct base_object_info): New structure.
9542         (struct data_reference): Move fields to base_object_info. Add fields
9543         first_location and object_info for above structures. Move fields from
9544         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9545         aligned_to.  Add macros to access the new fields.
9546         Update functions declarations.
9547         * tree-flow.h (is_aliased_with): Declare.
9548         * tree-loop-linear.c (linear_transform_loops): Call
9549         compute_data_dependences_for_loop with correct parameters.
9550         * tree-ssa-alias.c (is_aliased_with): New function.
9551         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9552         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9553         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9554         vect_base_addr_differ_p, compute_subscript_distance and
9555         build_classic_dist_vector. Add printings. Check absolute value of
9556         distance.
9557         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9558         data-refs.
9559         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9560         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9561         to bytes. Add printing.
9562         (vect_compute_data_refs_alignment): Go through loads and stores in one
9563         loop.
9564         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9565         vect_analyze_data_ref_access): Likewise.
9566         (vect_analyze_pointer_ref_access): Remove.
9567         (vect_address_analysis, vect_object_analysis): Likewise.
9568         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9569         and analyze data-refs in the loop.
9570         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9571         fields of data-ref instead of stmt. Add init to the offset from the
9572         base.
9573         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9574         (vect_update_init_of_dr): Likewise.
9575         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9576         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9577         removed fields.
9578         (new_loop_vec_info): Initialize new fields.
9579         (destroy_loop_vec_info): Free new fields.
9580         (vect_strip_conversion): Remove.
9581         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9582         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9583         datarefs. Add new field ddrs.
9584         Add macros for the new fields access.
9585         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9586         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9587         Remove their macros.
9588         * tree.h (highest_pow2_factor): Declare.
9589
9590 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9591
9592         * calls.c (store_one_arg): Check for sibling call MEM arguments
9593         from already clobbered incoming argument area.
9594
9595 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9596
9597         * c-common.c (check_missing_format_attribute): New.
9598         * c-common.h (check_missing_format_attribute): Likewise.
9599         * c-typeck.c (convert_for_assignment): Use it.
9600
9601 2005-07-24  Andreas Schwab  <schwab@suse.de>
9602
9603         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9604         register use a word move.  Correct operand of ext.w in 68000 code.
9605
9606 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9607
9608         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9609         variables as declarations, rather than definitions.
9610
9611 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9612
9613         PR tree-optimization/22526
9614         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9615         of the zero node.
9616
9617 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9618
9619         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9620         that C99 reserve for future use. Use it to define clog10,
9621         clog10f and clog10l.
9622
9623 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9624
9625         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9626         * configure.ac: Check for -Wmissing-format-attribute.
9627
9628         * configure: Regenerate.
9629
9630 2005-07-23  Richard Henderson  <rth@redhat.com>
9631
9632         PR tree-optimization/22623
9633         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9634
9635 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9636
9637         PR target/22577
9638         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9639
9640 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9641
9642         * Makefile.in (C_TREE_H): Update dependencies.
9643         * c-tree.h: Include toplev.h.
9644         * diagnostic.h (diagnostic_set_info): Add format attribute.
9645         * rtl-error.c (diagnostic_for_asm): Likewise.
9646
9647 2005-07-23  Chao-ying Fu  <fu@mips.com>
9648
9649         * config/mips/mips-dsp.md: New file.
9650         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9651         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9652         functions.
9653         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9654         MIPS_BUILTIN_BPOSGE32.
9655         (mips_expand_builtin_direct): Add one parameter to indicate that
9656         builtin functions need to return a value.
9657         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9658         functions.
9659         (mips_regno_to_class): Add classes for 12 new DSP registers.
9660         (mips_subword): Change to check four HI registers.
9661         (mips_output_move): Output move to and from 6 new DSP accumulators.
9662         (override_options): Make sure -mdsp and -mips16 are not used together.
9663         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9664         for machine modes.
9665         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9666         when !TARGET_DSP.
9667         (print_operand): Add 'q' for printing DSP accumulators.
9668         (mips_cannot_change_mode_class): Check ACC_REGS.
9669         (mips_secondary_reload_class): Check ACC_REGS.
9670         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9671         (mips_register_move_cost): Check ACC_REGS.
9672         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9673         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9674         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9675         (dsp_bdesc): New array.
9676         (bdesc_arrays): Add DSP builtin function table.
9677         (mips_prepare_builtin_arg): Check predicate again after
9678         copy_to_mode_reg.
9679         (mips_expand_builtin): Add one more parameter to
9680         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9681         MIPS_BUILTIN_BPOSGE32.
9682         (mips_init_builtins): Initialize new function types.
9683         (mips_expand_builtin_direct): Check if builtin functions need to
9684         return a value and pass operands properly.
9685         (mips_expand_builtin_bposge): New function.
9686         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9687         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9688         (FIRST_PSEUDO_REGISTER): Increase to 188.
9689         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9690         Update for 12 new DSP registers.
9691         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9692         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9693         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9694         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9695         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9696         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9697         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9698         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9699         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9700         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9701         (REGISTER_NAMES): Add names for 12 new DSP registers.
9702         * config/mips/mips.md: Include mips-dsp.md.
9703         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9704         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9705         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9706         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9707         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9708         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9709         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9710         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9711         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9712         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9713         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9714         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9715         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9716         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9717         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9718         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9719         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9720         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9721         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9722         (UNSPEC_RDDSP): New constants.
9723         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9724         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9725         A<-d alternative.
9726         * config/mips/mips.opt (-mdsp): New option.
9727         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9728         (reg_imm10_operand): New predicates.
9729         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9730         * doc/invoke.texi (-mdsp): Document new option.
9731
9732 2005-07-22  DJ Delorie  <dj@redhat.com>
9733
9734         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9735         to warning calls.
9736         * tree-inline.c (inlinable_function_p): Likewise.
9737
9738 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9739
9740         PR debug/21828
9741         * toplev.c (check_global_declarations): Do not mark undefined
9742         variables as DECL_IGNORED_P.
9743         * varasm.c (first_global_object_name): GTY it.
9744         (weak_global_object_name): Likewise.
9745         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9746         a string to go into {weak,first}_global_object_name.
9747
9748 2005-07-22  DJ Delorie  <dj@redhat.com>
9749
9750         * c-format.c (check_function_format): Change warning control
9751         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9752
9753 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9754
9755         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9756         &PTR->FLD a dereference of PTR.
9757         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9758         a potential dereference of PTR.
9759
9760 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9761
9762         PR rtl-optimization/20370
9763         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9764         call allocate_reg_info if necessary.
9765
9766         PR rtl-optimization/21848
9767         * calls.c (emit_library_call_value_1): For const functions, add
9768         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9769
9770         PR rtl-optimization/22445
9771         * cselib.c (target.h): Include.
9772         (rtx_equal_for_cselib_p): Allow commutative matches.
9773         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9774         Remove MODE parameter.  Changed all callers.
9775
9776         PR rtl-optimization/22258
9777         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9778         New functions.
9779         (try_combine): Use likely_spilled_retval_p.
9780
9781 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9782
9783         * config.gcc: Add crx-elf support.
9784
9785         * doc/contrib.texi: Mention crx.
9786         * doc/extend.texi: Document crx extensions.
9787         * doc/install.texi: Document crx install.
9788         * doc/invoke.texi: Document crx options.
9789         * doc/md.texi: Document crx constraints.
9790
9791         * config/crx/crx-protos.h: New file.
9792         * config/crx/crx.c: New file.
9793         * config/crx/crx.h: New file.
9794         * config/crx/crx.md: New file.
9795         * config/crx/crx.opt: New file.
9796         * config/crx/t-crx: New file.
9797
9798 2005-07-22  Manfred Hollstein  <mh@suse.com>
9799
9800         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9801         warnings.
9802         (int_add_graph_edge): Likewise.
9803         (collapse_nodes): Likewise.
9804         (process_unification_queue): Likewise.
9805
9806 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9807             Laurent GUERBY  <laurent@guerby.net>
9808
9809         PR tree-optimization/22336
9810         * function.c (record_block_change): Check for
9811         cfun->ib_boundaries_block.
9812
9813 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9814
9815         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9816         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9817
9818 2005-07-21  DJ Delorie  <dj@redhat.com>
9819
9820         * toplev.c (warn_deprecated_use): Add warning control to warning
9821         call.
9822         * c-typeck.c (parser_build_binary_op): Likewise.
9823         (c_finish_if_stmt): Likewise.
9824         * c-common.c (check_function_sentinel): Likewise.
9825         (check_nonnull_arg): Likewise.
9826
9827 2005-07-21  Richard Henderson  <rth@redhat.com>
9828
9829         PR tree-opt/22504
9830         * tree-complex.c (complex_ssa_name_components): New.
9831         (cvc_lookup): Allow entry not found.
9832         (create_components): Remove.
9833         (create_one_component_var, get_component_var): New.
9834         (get_component_ssa_name, set_component_ssa_name): New.
9835         (extract_component): Use get_component_ssa_name.
9836         (update_complex_components): Use set_component_ssa_name.
9837         (update_complex_components_on_edge): Likewise.
9838         (update_phi_components): Create new PHI nodes directly, instead
9839         of adding insns to edges.
9840         (tree_lower_complex): Allocate and free complex_variable_components
9841         and complex_ssa_name_components here.
9842
9843 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9844
9845         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9846         revert to returning false.
9847
9848 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9849
9850         PR target/21149
9851         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9852
9853 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9854
9855         PR target/22576
9856         * config/i386/i386.md (cmpxf): Change operand constraints
9857         to "nonmemory_operand".
9858
9859 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9860
9861         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9862
9863 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9864
9865         PR middle-end/21180
9866         * fold-const.c (fold_build1): Add checksum for the operands.
9867         (fold_build2): Likewise.
9868         (fold_build3): Likewise.
9869
9870 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9871
9872         PR middle-end/19055
9873         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9874
9875 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9876
9877         * common.opt (-fforward-propagate): Committed by mistake,
9878         removed.
9879
9880 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9881
9882         * reg-stack.c: Fix comment typo(s).
9883         * tree-ssa-operands.c: Likewise.
9884         * tree-vectorizer: Likewise.
9885
9886 2005-07-21  Nick Clifton  <nickc@redhat.com>
9887
9888         * config/sh/symbian.c: Replace C++ style line comments with C
9889         style line comments.
9890         (symbian_add_attribute): Do not use a ? operator on the LHS of
9891         an assignment.
9892         (sh_symbian_handle_dll_attribute): Change the type of the
9893         method vector to "VEC(tree,gc)*" and use vector accessor
9894         macros to walk over the elements.
9895         (symbian_export_vtable_and_rtti_p): Likewise.
9896         (symbian_class_needs_attribute_p): Likewise.
9897
9898 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9899
9900         PR target/22085
9901         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9902         initialize targetm.resolve_overloaded_builtin here.
9903         (altivec_expand_overloaded_builtin): Make it non-static.
9904         * config/rs6000/rs6000-protos.h
9905         (altivec_expand_overloaded_builtin): New prototype.
9906         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9907         targetm.resolve_overloaded_builtin here.
9908         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9909
9910 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9911             Zdenek Dvorak  <dvorakz@suse.cz>
9912
9913         PR tree-optimization/19210
9914         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9915         New.
9916         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9917         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9918         rely on unproven assumptions.
9919         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9920         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9921         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9922         to number_of_iterations_exit.
9923         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9924         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9925         * tree-ssa-loop-niter.c (find_loop_niter,
9926         estimate_numbers_of_iterations_loop): Likewise.
9927         (number_of_iterations_exit): Honor the new options.
9928         * doc/invoke.texi (Wunsafe-loop-optimizations,
9929         funsafe-loop-optimizations): Document them.
9930
9931 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9932
9933         PR rtl-optimization/22167
9934         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9935
9936 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9937
9938         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9939         __do_global_dtors_aux longcall.
9940
9941 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9942
9943         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9944         (old_special_pred_table): Don't reference
9945         SPECIAL_MODE_PREDICATES.
9946         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9947         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9948         * config/sh/predicates.h: Don't mention
9949         SPECIAL_MODE_PREDICATES.
9950         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9951         Remove.
9952
9953 2005-07-20  DJ Delorie  <dj@redhat.com>
9954
9955         * config.gcc: Add m32c-elf support.
9956
9957         * doc/contrib.texi: Mention m32c.
9958         * doc/extend.texi: Document m32c extensions.
9959         * doc/install.texi: Mention m32c.
9960         * doc/invoke.texi: Document m32c options.
9961         * doc/md.texi: Document m32c constraints.
9962
9963         * config/m32c/addsub.md: New file.
9964         * config/m32c/bitops.md: New file.
9965         * config/m32c/cond.md: New file.
9966         * config/m32c/jump.md: New file.
9967         * config/m32c/m32c-lib1.S: New file.
9968         * config/m32c/m32c-lib2.c: New file.
9969         * config/m32c/m32c-modes.def: New file.
9970         * config/m32c/m32c-pragma.c: New file.
9971         * config/m32c/m32c-protos.h: New file.
9972         * config/m32c/m32c.abi: New file.
9973         * config/m32c/m32c.c: New file.
9974         * config/m32c/m32c.h: New file.
9975         * config/m32c/m32c.md: New file.
9976         * config/m32c/m32c.opt: New file.
9977         * config/m32c/minmax.md: New file.
9978         * config/m32c/mov.md: New file.
9979         * config/m32c/muldiv.md: New file.
9980         * config/m32c/predicates.md: New file.
9981         * config/m32c/prologue.md: New file.
9982         * config/m32c/shift.md: New file.
9983         * config/m32c/t-m32c: New file.
9984
9985 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9986
9987         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9988         (stack_protect_set, stack_protect_test): New expanders.
9989         (stack_protect_set_si, stack_protect_set_si_media,
9990         stack_protect_set_di_media, stack_protect_test_si,
9991         stack_protect_test_si_media, stack_protect_test_di_media):
9992         New insns.
9993
9994 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9995
9996         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9997
9998 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9999
10000         * tree.h (tree_expr_nonzero_p): Export.
10001         * fold-const.c (tree_expr_nonzero_p): Likewise.
10002         Return true for CALL_EXPRs that are alloca calls.
10003         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10004         against zero.
10005         * tree-flow.h (expr_computes_nonzero): Remove.
10006         * tree-vrp.c (expr_computes_nonzero): Remove.
10007         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10008         (extract_range_from_unary_expr): Likewise.
10009         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10010         tree_expr_nonzero_p.
10011
10012 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10013
10014         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10015         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10016         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10017         All callers changed.
10018         (frame_related_constant_load): New arg "related" which controls
10019         setting of RTX_FRAME_RELATED_P.  All callers changed.
10020         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10021         (bfin_expand_prologue): Add stack limit checking.
10022         * config/bfin/bfin.md (trapifcc): New pattern.
10023
10024         * config/bfin/bfin.c: Include "langhooks.h".
10025         (def_builtin): Go through lang_hooks to call builtin_function.
10026
10027         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10028         * config/bfin/predicates.md (symbol_ref_operand): New.
10029         (call_insn_operand): Delete.  All callers changed to use
10030         register_no_elim_operand.
10031         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10032         call_cookie field.
10033         (function_arg): Use it to generate the call's operand 2.
10034         (bfin_longcall_p): New function.
10035         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10036         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10037         determine if the address needs to be in a REG.
10038         (bfin_handle_longcall_attribute): New function.
10039         (bfin_attribute_table): Add "longcall" and "shortcall".
10040         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10041         (CUMULATIVE_ARGS): New member call_cookie.
10042         (PREDICATE_CODES): Add symbol_ref_operand.
10043         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10044         extra USE to the pattern.
10045         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10046         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10047         sibcall_value_insn; now the new patterns handle direct calls and the
10048         old ones indirect calls.
10049         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10050
10051 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10052
10053         * doc/trouble.texi: Update section on handling of empty loops.
10054
10055 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10056
10057         * config.gcc: Remove support for sparc-*-openbsd*,
10058         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10059         ns32k-*-netbsd*.
10060         * config.host: Remove support for i860-*-sysv4* as a host.
10061         * config/i860/*, config/ip2k/*, config/ns32k/*,
10062         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10063         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10064         mention obsolete ports.
10065
10066 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10067
10068         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10069         soft frame pointer.
10070         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10071         of frame_pointer_rtx.
10072         (sh_expand_epilogue): Likewise.
10073         (sh_set_return_address): Likewise.
10074         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10075         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10076         offsets from FRAME_POINTER_REGNUM.
10077         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10078         (sh_register_names): Add initializer for sfp.
10079         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10080         (VALID_REGISTER_P): Likewise.
10081         (FIRST_PSEUDO_REGISTER): Update.
10082         (DWARF_FRAME_REGISTERS): Define.
10083         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10084         (HARD_FRAME_POINTER_REGNUM): Define.
10085         (FRAME_POINTER_REGNUM): Redefine.
10086         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10087         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10088         from FRAME_POINTER_REGNUM.
10089         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10090         FRAME_POINTER_REGNUM.
10091         (REG_CLASS_CONTENTS): Add sfp.
10092         (REG_ALLOC_ORDER): Likewise.
10093         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10094         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10095         of frame_pointer_rtx.
10096         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10097
10098 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10099
10100         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10101         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10102         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10103         of an ABS_EXPR.
10104         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10105         ABS_EXPR<x>.
10106
10107 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10108
10109         Make CONSTRUCTOR use VEC to store initializers.
10110         * c-common.c (complete_array_type): Update to cope with VEC in
10111         CONSTRUCTOR_ELTS.
10112         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10113         (pp_c_constructor_elts): New function.
10114         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10115         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10116         struct constructor_stack, struct initializer_stack,
10117         constructor_elements, push_init_level, pop_init_level,
10118         add_pending_init, find_init_member, output_init_element): Update to
10119         cope with VEC in CONSTRUCTOR_ELTS.
10120         * coverage.c (build_fn_info_value, build_ctr_info_value,
10121         build_gcov_info): Likewise.
10122         * expr.c (categorize_ctor_elements_1, store_constructor,
10123         expand_expr_real_1): Likewise.
10124         * fold-const.c (fold_ternary): Likewise.
10125         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10126         gimplify_init_constructor, gimplify_expr): Likewise.
10127         * tree-dump.c (dequeue_and_dump): Likewise.
10128         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10129         node.
10130         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10131         CONSTRUCTOR_ELTS.
10132         * tree-sra.c (generate_element_init_1): Likewise.
10133         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10134         * tree-ssa-operands.c (get_expr_operands): Likewise.
10135         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10136         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10137         (get_initial_def_for_reduction): Likewise.
10138         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10139         value handle in annotations.
10140         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10141         tree_node_structure): Add support for constr_kind.
10142         (build_vector_from_ctor, build_constructor_single,
10143         build_constructor_from_list): New functions.
10144         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10145         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10146         Update to cope with VEC in CONSTRUCTOR_ELTS.
10147         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10148         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10149         CONSTRUCTOR_APPEND_ELT): New macros.
10150         (struct constructor_elt, struct tree_constructor): New data types.
10151         (union tree_node): Add tree_constructor field.
10152         * treestruct.def: Define TS_CONSTRUCTOR.
10153         * varasm.c (const_hash_1, compare_constant, copy_constant,
10154         compute_reloc_for_constant, output_addressed_constants,
10155         initializer_constant_valid_p, output_constant,
10156         array_size_for_constructor, output_constructor): Update to cope with
10157         VEC in CONSTRUCTOR_ELTS.
10158         * vec.h (VEC_empty, VEC_copy): New macros.
10159
10160 2005-07-19  Devang Patel  <dpatel@apple.com>
10161
10162         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10163
10164 2005-07-19  Richard Henderson  <rth@redhat.com>
10165
10166         PR tree-opt/22278
10167         * gimplify.c (gimplify_expr): Use main variant type for the temp
10168         destination for a discarded volatile read.
10169         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10170         casts between non-void types that change volatility.
10171
10172 2005-07-15  DJ Delorie  <dj@redhat.com>
10173
10174         * toplev.h: Add comment about the first parameter for warning().
10175         * errors.h: Likewise.
10176
10177         * c.opt (Wpragmas): New.
10178         * doc/invoke.texi: Document it.
10179
10180         * function.c (do_warn_unused_parameter): Add warning control to
10181         warning call.
10182         * c-decl.c (warn_if_shadowing): Likewise.
10183         * c-lex.c (cb_def_pragma): Likewise.
10184         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10185         (pop_alignment): Likewise.
10186         (handle_pragma_pack): Likewise.
10187         (apply_pragma_weak): Likewise.
10188         (handle_pragma_weak): Likewise.
10189         (handle_pragma_redefine_extname): Likewise.
10190         (add_to_renaming_pragma_list): Likewise.
10191         (handle_pragma_extern_prefix): Likewise.
10192         (maybe_apply_renaming_pragma): Likewise.
10193         (handle_pragma_visibility): Likewise.
10194
10195         * config/c4x/c4x-c.c (BAD): Likewise.
10196         (c4x_parse_pragma): Likewise.
10197         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10198         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10199         (rs6000_pragma_longcall): Likewise.
10200         * config/v850/v850-c.c (pop_data_area): Likewise.
10201         (ghs_pragma_section): Likewise.
10202         (ghs_pragma_section): Likewise.
10203         (ghs_pragma_interrupt): Likewise.
10204         (ghs_pragma_starttda): Likewise.
10205         (ghs_pragma_startsda): Likewise.
10206         (ghs_pragma_startzda): Likewise.
10207         (ghs_pragma_endtda): Likewise.
10208         (ghs_pragma_endsda): Likewise.
10209         (ghs_pragma_endzda): Likewise.
10210
10211 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10212             Kenneth Zadeck <zadeck@naturalbridge.com>
10213
10214         * Makefile.in: Removed tree-promote-statics.c
10215         * tree-promote-statics.c: Removed.
10216         * common.opt: Removed flag-promote-statics.
10217         * opts.c: Ditto.
10218         * passes.c: Removed tree-promote-statics pass.
10219         * tree-pass.h: Ditto.
10220         * timevar.def: Removed TV_PROMOTE_STATICS.
10221
10222
10223 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10224
10225         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10226         and *-*-freebsd9.
10227         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10228
10229 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10230
10231         PR c/22476
10232         * c-common.c (check_function_arguments): Call
10233         'check_function_format' if either -Wformat or
10234         -Wmissing-format-attribute are specified.
10235         * c-format.c (check_function_format): Check -Wformat before
10236         calling 'check_format_info'.
10237         * c-opts.c (c_common_post_options): Don't warn for
10238         -Wmissing-format-attribute without -Wformat.
10239         * c-typeck.c (convert_for_assignment): Detect additional cases for
10240         -Wmissing-format-attribute.
10241         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10242         behavior.
10243
10244 2005-07-19  Richard Guenther  <rguenther@suse.de>
10245
10246         * config/i386/i386.md (lrint<mode>2): Use temporary
10247         instead of clobbering non-existent memory.
10248
10249 2005-07-19  Nick Clifton  <nickc@redhat.com>
10250
10251         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10252         statement to avoid displaying ASCII control characters.
10253
10254 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10255
10256         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10257         * cfganal.c (find_edge_index): Ditto.
10258         * combine.c (combine_instructions): Ditto.
10259         * ddg.c (create_scc): Ditto.
10260         (find_successors): Ditto.
10261         (find_predecessors): Ditto.
10262         (find_nodes_on_paths): Ditto.
10263         (longest_simple_path): Ditto.
10264         * flow.c (update_life_info): Ditto.
10265         (count_or_remove_death_notes): Ditto.
10266         (clear_log_links): Ditto.
10267         * modulo-sched.c (generate_reg_moves): Ditto.
10268         (find_max_asap): Ditto.
10269         (find_max_hv_min_mob): Ditto.
10270         (find_max_dv_min_mob): Ditto.
10271         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10272         * sched-rgn.c (extract_edgelst): Ditto.
10273         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10274         (dump_update_ssa): Ditto.
10275         (ssa_names_to_replace) Ditto.
10276         (switch_virtuals_to_full_rewrite): Ditto.
10277         (update_ssa): Ditto.
10278         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10279
10280 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10281
10282         Fix PR tree-optimization/22483
10283
10284         * tree-complex.c (create_components): Use
10285         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10286         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10287         * tree-flow.h (safe_referenced_var_iterator): New structure.
10288         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10289         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10290         safe_referenced_var iterator.
10291         (add_type_alias): Ditto.
10292
10293 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10294
10295         * loop-init.c (rest_of_handle_loop2): Remove.
10296         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10297         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10298         (pass_rtl_loop_init, pass_rtl_loop_done,
10299         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10300         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10301         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10302         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10303         pass_tree_loop_done, and pass_tree_unswitch.
10304         (gate_loop): Rename to gate_tree_loop.
10305         * passes.c (init_optimization_passes): Update for renamed tree
10306         loop passes.  Add the new loop2 passes as subpasses of loop2.
10307         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10308         Update for the renamed tree loop passes.
10309
10310 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10311
10312         PR middle-end/22057
10313         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10314         blocks when optimizing.
10315
10316 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10317
10318         * common.opt (frename-registers): Initialize to 2.
10319         (fweb): Ditto.
10320         (fgcse-after-reload): Ditto.
10321         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10322         (process_options): Only change flag_web, flag_rename_registers,
10323         and flag_rerun_cse_after_loop if not explicitly set by user.
10324
10325 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10326
10327         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10328         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10329         in 64-bit mode the same as DImode in 32-bit mode.
10330         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10331         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10332         mode. Add new mode parameter.
10333         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10334         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10335         x86_64_shift_adj): New expanders.
10336         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10337         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10338         insns.
10339         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10340         DImode shift splitters.
10341         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10342         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10343         mode parameter.
10344
10345 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10346
10347         * i386.md (movdi_extzv_1): New.
10348         (zero_extendhidi2): Combine alternatives and never force use of
10349         REX64 prefix.
10350         (zero_extendqidi2): Likewise. Don't restrict input selection.
10351
10352 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10353
10354         Fix PR tree-optimization/22531
10355         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10356          moment.
10357
10358 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10359
10360         * tree-promote-statics.c (pass_promote_statics): Change dump file
10361          name.
10362
10363 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10364
10365         * tree-optimize.c (init_tree_optimization_passes): Add
10366         pass_eliminate_useless_stores pass.
10367         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10368         * tree-ssa-pre.c (is_copy_stmt): New function.
10369         (follow_copies_till_vuse): Ditto.
10370         (do_eustores): Ditto.
10371         (gate_eustores): Ditto.
10372
10373 2005-07-16  Richard Henderson  <rth@redhat.com>
10374
10375         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10376
10377 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10378            Kenneth Zadeck <zadeck@naturalbridge.com>
10379
10380         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10381         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10382         ipa-type-escape.h, tree-promote-statics.c
10383         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10384         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10385         tree-promote-statics.c: new files.
10386         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10387         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10388         int nonlocal_set_p, mark_constant_function): Deleted.
10389         (rest_of_handle_cfg): Removed call to mark_constant_function.
10390         (nonoverlapping_component_refs_p): Added calls to support
10391         type based aliasing.
10392         * tree-ssa-alias.c (may_alias_p,
10393         compute_flow_insensitive_aliasing): Ditto.
10394         * calls.c (flags_from_decl_or_type): Removed reference to
10395         cgraph_rtl_info.
10396         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10397         too many arguments.  This is necessary for Spec 2000.
10398         * cgraph.h (const_function, pure_function): Removed.
10399         * common.opt: Added "fipa-pure-const", "fipa-reference",
10400         "fipa-type-escape", and "ftree-promote-static".
10401         * opts.c: Ditto.
10402         * passes.c: Added ipa and tree-promote-statics passes.
10403         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10404         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10405         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10406         * tree-flow.h: Added exposed sra calls and addition of
10407         reference_vars_info field for FUNCTION_DECLS.
10408         * tree-pass.h: Added passes.
10409         * tree-sra.c: (sra_init_cache): New function.
10410         (sra_insert_before, sra_insert_after) Made public.
10411         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10412         and made public.
10413         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10414         aliasing. (may_alias_p): Added code to use type escape analysis to
10415         improve alias sets.
10416         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10417         code to prune clobbers of static variables based on information
10418         produced in ipa-reference pass.  Changed call clobbering so that
10419         statics are not marked as clobbered if the call does not clobber
10420         them.
10421
10422 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10423
10424         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10425         too.
10426
10427 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10428
10429         * doc/install.texi (*-*-solaris2*): Document recommended version
10430         of GNU binutils and mention GNU linker problem on Solaris 10.
10431
10432 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10433
10434         PR c/22421
10435         * c-decl.c (c_build_bitfield_integer_type): New function.
10436         (finish_struct): Call it.
10437         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10438
10439 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10440
10441         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10442         before returning.
10443
10444 2005-07-16  Jan Hubicka  <jh@suse.cz>
10445
10446         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10447         (scale_bbs_frequencies_int): Watch roundoff errors.
10448         * predict.c (return_prediction): Initialize return_stmt.
10449
10450 2005-07-16  Jan Hubicka  <jh@suse.cz>
10451
10452         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10453         after RTL profiling.
10454
10455 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10456
10457         PR middle-end/22398
10458         * fold-const.c (build_range_check): Convert high/low to etype
10459         if we are only comparing against exp.
10460
10461 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10462
10463         Fix PR tree-optimization/22376
10464         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10465         special var here.
10466         (need_to_solve): New function.
10467         (compute_points_to_sets): Use it.
10468
10469 2005-07-15  Jan Hubicka  <jh@suse.cz>
10470
10471         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10472         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10473
10474 2005-07-15  Richard Guenther  <rguenther@suse.de>
10475
10476         * c-common.c (handle_flatten_attribute): New function.
10477         Add flatten function attribute.
10478         * doc/extend.texi: Document flatten function attribute.
10479         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10480         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10481         New functions.
10482         (cgraph_decide_inlining): Handle functions with flatten
10483         attribute.
10484
10485 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10486
10487         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10488         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10489         UNSPEC_XCHG, UNSPEC_AND): New.
10490         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10491         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10492         * config/rs6000/sync.md (FETCHOP): New code macro.
10493         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10494         New code attrs.
10495         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10496         (sync_compare_and_swap<mode>): Same.
10497         (sync_lock_test_and_set<mode>): Same.
10498         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10499         for QImode and HImode, and not PPC405.
10500         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10501         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10502         (sync_<fetchop>{si,di}_internal): New.
10503         (sync_nand{si,di}_internal): New.
10504         (sync_old_<fetchop>{si,di}_internal): New.
10505         (sync_old_nand{si,di}_internal): New
10506         (sync_new_<fetchop>{si,di}_internal): New.
10507         (sync_new_nand{si,di}_internal): New.
10508         (atomic_and{si,di}): New.
10509         (sync_new_nand{si,di}_internal): New.
10510         (atomic_and{si,di}): New.
10511         (sync_add<mode>_internal): Delete.
10512         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10513         (sync_sub<mode>_internal): Delte.
10514         (sync_subshort_internal): New.
10515         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10516         (sync_anddi_internal): Delete.
10517         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10518         (sync_booldi_internal): Delete.
10519         (sync_boolc<mode>_internal): Delete.
10520         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10521         (sync_boolc<mode>_internal2): Delete.
10522         (sync_boolcc<mode>_internal): Delete.
10523         (isync, lwsync): Use unspec instead of unspec_volatile.
10524         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10525         Revert UNSPEC_VOLATILE.
10526         (rs6000_split_atomic_op): New.
10527         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10528
10529 2005-07-14  Eric Christopher  <echristo@redhat.com>
10530
10531         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10532         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10533
10534 2005-07-14  Eric Christopher  <echristo@redhat.com>
10535
10536         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10537
10538 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10539
10540         PR tree-optimization/22230
10541         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10542         the computation of the four cross productions for "range op range".
10543
10544 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10545             Ulrich Weigand  <uweigand@de.ibm.com>
10546
10547         PR target/20126
10548         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10549         in some insn.
10550
10551 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10552
10553         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10554
10555 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10556
10557         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10558
10559 2005-07-14  Richard Guenther  <rguenther@suse.de>
10560
10561         PR middle-end/22347
10562         * config/i386/i386-protos.h (ix86_function_value): Change
10563         prototype to match new target hook.
10564         * config/i386/i386.c (ix86_value_regno): Change prototype
10565         to take extra type argument.
10566         (TARGET_FUNCTION_VALUE): Define.
10567         (ix86_function_ok_for_sibcall): Pass extra argument to
10568         ix86_value_regno, check return slot rtx for exact match.
10569         (ix86_function_value): Take extra parameter.  Dispatch to
10570         ix86_value_regno with fndecl/fntype as provided.
10571         (ix86_value_regno): Handle extra type argument.
10572         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10573
10574         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10575         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10576         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10577         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10578         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10579
10580 2005-07-14  Richard Guenther  <rguenther@suse.de>
10581
10582         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10583         * calls.c (expand_call): Pass fntype to hard_function_value.
10584         (emit_library_call_value_1): Likewise.
10585         * explow.c: Include target.h.
10586         (hard_function_value): Take extra argument, the fntype.
10587         Use new target hook for function_value.
10588         * expr.h (hard_function_value): Change prototype.
10589         * function.c (aggregate_value_p): Pass 0 as fntype to
10590         hard_function_value.
10591         (assign_parms): Use new target hook for function_value.
10592         Pass 0 as fntype to hard_function_value.
10593         (expand_function_end): Likewise.
10594         * reg-stack.c: Include target.h.
10595         (stack_result): Use new target hook for function_value.
10596         * target-def.h: New target hook function_value.
10597         * target.h: Likewise.
10598         * targhooks.c (default_function_value): New function.
10599         * targhooks.h (default_function_value): Declare.
10600
10601 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10602
10603         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10604
10605 2005-07-14  Jan Hubicka  <jh@suse.cz>
10606
10607         * tree-dfa.c (dump_variable): Use default_def function.
10608         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10609         * tree-ssa.c (verify_use): Likewise.
10610         * tree-ssanames.c (release_ssa_name): Likewise.
10611         * tree-tailcall.c (eliminate_tail_call): Likewise.
10612         (tree_optimize_tail_calls_1): Likewise.
10613         * tree-vrp.c (get_value_range): Likewise.
10614
10615 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10616
10617         * gcc.c (main): Compare language[0] with '*' when iterating over
10618         the infiles.
10619
10620 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10621
10622         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10623         "s390_emit_compare".  Add handling of CCZ1mode.
10624         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10625         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10626         checking.
10627         (s390_branch_condition_mask): Add CCZ1mode handling.
10628         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10629         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10630         Use CCZ1mode instead of CCZmode.
10631         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10632
10633 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10634
10635         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10636         pattern.
10637         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10638
10639 2005-07-13  Eric Christopher  <echristo@redhat.com>
10640
10641         * config/mips/mips.c (mips_canonicalize_comparison): New.
10642         (mips_emit_int_relational): Use.
10643
10644 2005-07-13  Eric Christopher  <echristo@redhat.com>
10645
10646         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10647         static extra parts.
10648         * config/s390/s390.md: Include tpf.md. Move tpf specific
10649         patterns...
10650         * config/s390/tpf.md: To here.
10651         * config/s390/s390.opt: Move tpf specific options...
10652         * config/s390/tpf.opt: to here. Add mmain option.
10653         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10654         * config/s390/tpf.h: Rewrite.
10655
10656 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10657
10658         * doc/tm.texi: Remove @xref{Cross-profiling}.
10659
10660 2005-07-13  Jeff Law  <law@redhat.com>
10661
10662         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10663         expressions, test their _DECL operands for pointer equality rather
10664         than using operand_equal_p.
10665
10666 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10667
10668         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10669         (TARGET_POSIX_IO): This.
10670         * config/darwin.h: Likewise.
10671         * config/freebsd.h: Likewise.
10672         * config/linux.h: Likewise.
10673         * config/lynx.h: Likewise.
10674         * config/netbsd.h: Likewise.
10675         * config/rs6000/linux64.h: Likewise.
10676         * config/rs6000/linux.h: Likewise.
10677         * config/s390/tpf.h: Likewise.
10678         * config/sh/embed-elf.h: Likewise.
10679         * config/sparc/linux64.h: Likewise.
10680         * config/sparc/linux.h: Likewise.
10681         * config/svr4.h: Likewise.
10682         * gcov-io.h: Likewise.
10683
10684         * doc/tm.texi: Updated.
10685
10686         * libgcov.c (create_file_directory): Defined only if
10687         TARGET_POSIX_IO is defined.
10688         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10689         is defined.
10690
10691 2005-07-13  Jan Hubicka  <jh@suse.cz>
10692
10693         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10694
10695 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10696
10697         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10698         structure as argument.
10699
10700 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10701
10702         PR tree-optimization/21921
10703         * tree-iterator.c (tsi_link_before): Support the case when
10704         tsi_end_p (tsi) == true.
10705
10706 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10707
10708         PR tree-optimization/22442
10709         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10710         correctly.
10711
10712 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10713
10714         PR rtl-optimization/20376
10715         * toplev.c (process_options): Enable -fweb and -frename-registers when
10716         unrolling.
10717         * doc/invoke.texi: Update the information about when -fweb and
10718         -frename-registers are enabled.
10719
10720 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10721
10722         PR tree-opt/21840
10723         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10724         if *rhs_p is not a SSA_NAME.
10725
10726 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10727
10728         Fix PR tree-optimization/22422
10729         * tree-ssa-structalias.c (struct variable_info): Add flag for
10730         special vars.
10731         (get_varinfo): Now a static function.
10732         (new_varinfo): init has_union and is_special_var to false.
10733         (solution_set_add): Check has_union.
10734         (do_da_constraint): Move temporary variable so it gets reset
10735         properly.
10736         Also check for special variable.
10737         (do_ds_constraint): Ditto.
10738         (do_sd_constraint): Ditto.
10739         (do_structure_copy): Check for special variable.
10740         (find_func_aliases): Ditto.
10741         (init_base_vars): Set special vars properly.
10742
10743 2005-07-13  Jan Hubicka  <jh@suse.cz>
10744
10745         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10746         do unit-at-a-time.
10747
10748         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10749         (get_expr_operands): Fix thinko wrt flags and subvars.
10750
10751         PR tree-optimize/22379
10752         * tree-inline.c (expand_call_inline): Do not output sorry in early
10753         inlining.
10754
10755 2005-07-12  Dale Johannesen  <dalej@apple.com>
10756
10757         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10758
10759 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10760
10761         PR bootstrap/21704
10762         * host-linux.h: Include limits.h.
10763
10764 2005-07-12  Dale Johannesen  <dalej@apple.com>
10765
10766         * expr.c (compress_float_constant):  Add cost check.
10767         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10768
10769 2005-07-12  Dale Johannesen  <dalej@apple.com>
10770
10771         * gcc.target/i386/compress-float-sse.c:  New.
10772         * gcc.target/i386/compress-float-sse-pic.c:  New.
10773         * gcc.target/i386/compress-float-387.c:  New.
10774         * gcc.target/i386/compress-float-387-pic.c:  New.
10775         * gcc.dg/compress-float-ppc.c:  New.
10776         * gcc.dg/compress-float-ppc-pic.c:  New.
10777
10778 2005-07-12  Eric Christopher  <echristo@redhat.com>
10779
10780         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10781         static extra parts.
10782         * config/s390/s390.md: Include tpf.md. Move tpf specific
10783         patterns...
10784         * config/s390/tpf.md: To here.
10785         * config/s390/s390.opt: Move tpf specific options...
10786         * config/s390/tpf.opt: to here. Add mmain option.
10787         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10788         * config/s390/tpf.h: Rewrite.
10789
10790 2005-07-12  Eric Christopher  <echristo@redhat.com>
10791
10792         * gcc.c (struct infile): Update comment for language.
10793         (main): Rewrite input file resetting code.
10794
10795 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10796
10797         PR tree-opt/22335
10798         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10799         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10800         (lookup_avail_expr): Use constant_boolean_node instead
10801         of boolean_false_node/boolean_true_node.
10802
10803 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10804
10805         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10806         and use it when printing num_edges.
10807
10808 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10809
10810         * doc/extend.texi (Blackfin Built-in Functions): New section.
10811         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10812         @opindex.
10813
10814 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10815
10816         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10817         s/cmpstrsi/cmpstrnsi
10818         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10819         'cmpstrnsi'.
10820         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10821         (init_optabs): Initialize cmpstrn_optab.
10822         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10823         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10824         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10825         * config/i386/i386.md: s/cmpstr/cmpstrn
10826         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10827         * doc/md.texi: Update documentation.
10828
10829 2005-07-11  Richard Henderson  <rth@redhat.com>
10830
10831         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10832         build_va_arg_indirect_ref.
10833         (alpha_gimplify_va_arg): Likewise.
10834         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10835         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10836         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10837         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10838         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10839         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10840         Likewise.
10841         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10842
10843 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10844
10845         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10846         * passes.c (init_optimization_passes): Add pass_empty_loop.
10847         * tree-pass.h (pass_empty_loop): Declare.
10848         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10849         try_remove_empty_loop, remove_empty_loops): New functions.
10850         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10851         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10852
10853 2005-07-12  Peter Barada  <peter@the-baradas.com>
10854
10855         PR middle-end/16719
10856         PR middle-end/18421
10857         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10858         in address registers.
10859         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10860         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10861         alternative of addsi3_5200.
10862
10863 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10864
10865         * config/mips/mips.md (ffs<mode>2): Remove.
10866
10867 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10868
10869         * doc/tree-ssa.texi (Cleanups): Improve description of
10870         TRY_FINALLY_EXPR.
10871         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10872
10873 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10874
10875         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10876         * tree.h (DECL_ARGUMENT_FLD): New macro.
10877
10878 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10879
10880         Fix PR tree-optimization/22404
10881
10882         * tree-ssa-structalias.c (create_variable_info_for): Use
10883         correct offset.
10884
10885 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10886
10887         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10888         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10889         for second comparison operand.
10890         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10891
10892         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10893         (define_insn_reservation "alu"): Likewise.
10894         (csync, ssync): Now of type sync.
10895         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10896         -mcsync-anomaly -mspecld-anomaly.
10897         * config/bfin/bfin.opt (mcsync): Remove.
10898         (mcsync-anomaly, mspecld-anomaly): Add.
10899         * config/bfin/bfin.c: Include "insn-codes.h".
10900         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10901         (TARGET_DEFAULT_TARGET_FLAGS): New.
10902         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10903
10904 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10905
10906         * basic-block.h: Give the BB flags enum a name, bb_flags.
10907         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10908         * cfgcleanup.c (enum bb_flags): Remove here.
10909         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10910         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10911         (update_forwarder_flag): Likewise.
10912         (thread_jump): Likewise.
10913         (try_forward_edges): Likewise.
10914         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10915         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10916         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10917
10918 2005-07-11  Richard Guenther  <rguenther@suse.de>
10919
10920         * config/i386/i386.opt: New target option -msseregparm.
10921         * config/i386/i386.c (override_options): Error out for
10922         -msseregparm but no SSE support.
10923         (ix86_function_sseregparm): Check for global sseregparm.
10924         * doc/invoke.texi: Document -msseregparm.
10925
10926 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10927
10928         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10929         (m32rle-*-linux*): Ditto.
10930
10931 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10932
10933         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10934         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10935         bytes.
10936
10937 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10938
10939         PR middle-end/22239
10940         PR target/20126
10941         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10942         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10943
10944 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10945
10946         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10947         (varmap): Heapify varmap.
10948         (constraints): Heapify constraints.
10949         (struct constraint_graph): Heapify succs and preds.
10950         (constraint_vec_find): Update for heapification.
10951         (constraint_set_union): Ditto.
10952         (insert_into_complex): Ditto.
10953         (constraint_edge_vec_find): Ditto.
10954         (erase_graph_self_edge): Ditto.
10955         (add_graph_edge): Ditto.
10956         (get_graph_weights): Ditto.
10957         (merge_graph_nodes): Ditto.
10958         (build_constraint_graph): Ditto.
10959         (topo_visit): Ditto.
10960         (solve_graph): Ditto.
10961         (create_variable_info_for): Ditto.
10962         (init_base_vars): Ditto.
10963         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10964         (condese_varmap_nodes): Free complex vector.
10965         (clear_edges_for_node): Clear succs and preds vector.
10966
10967 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10968
10969         * tree-ssa-structalias.c (update_alias_info): Change counting of
10970         references to not include vdefs.
10971
10972 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10973
10974         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10975         (up_insert): Ditto.
10976
10977 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10978
10979         * pa.c (pa_commutative_p): Make PLUS commutative when
10980         TARGET_NO_SPACE_REGS is true.
10981
10982 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10983
10984         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10985         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10986         * tree-dfa.c (dump_subvars_for): New.
10987         (debug_subvars_for): New.
10988         (dump_variable): Show subvariables if VAR has them.
10989         * tree-flow-inline.h (get_subvar_at): New.
10990         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10991         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10992         Update all users.
10993         (struct subvar): Change fields offset and size to unsigned
10994         HOST_WIDE_INT.
10995         (dump_subvars_for): Declare.
10996         (debug_subvars_for): Declare.
10997         (get_subvar_at): Declare.
10998         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10999         to unsigned HOST_WIDE_INT *.
11000         (overlap_subvar): Likewise.
11001         * tree-gimple.c (is_gimple_reg): Always return false for
11002         SFTs and memory tags.
11003         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11004         Update all callers.
11005         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11006         (compute_may_aliases): Call compute_points_to_sets.
11007         (collect_points_to_info_for): Remove.
11008         (compute_points_to_and_addr_escape): Remove.
11009         (delete_alias_info): Call delete_points_to_sets.
11010         (compute_flow_sensitive_aliasing): If the call to
11011         find_what_p_points_to returns false, call set_pt_anything.
11012         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11013         (set_pt_anything): Clear pi->pt_vars.
11014         (set_pt_malloc): Remove.
11015         (merge_pointed_to_info): Remove.
11016         (add_pointed_to_expr): Remove.
11017         (add_pointed_to_var): Remove.
11018         (collect_points_to_info_r): Remove.
11019         (is_escape_site): Make extern.
11020         (create_sft): New.
11021         (create_overlap_variables_for): Call it.
11022         * tree-ssa-copy.c (merge_alias_info): Never merge
11023         flow-sensitive alias information.
11024         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11025         offset and size to be unsigned HOST_WIDE_INT.
11026         (add_to_addressable_set): Rename from note_addressable.
11027         Set TREE_ADDRESSABLE as the variables are added to the set.
11028         Update all users.
11029         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11030         operands into VUSEs when adding V_MAY_DEFs for members in an
11031         alias set.
11032         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11033         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11034         (struct variable_info): Add bitfield is_heap_var.
11035         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11036         (new_var_info): Initialize is_heap_var.
11037         (get_constraint_for): Add HEAP variables to the symbol table.
11038         Mark them with is_heap_var.
11039         (update_alias_info): New.  Taken mostly from the old
11040         compute_points_to_and_addr_escape.
11041         (handle_ptr_arith): New.
11042         (find_func_aliases): Call update_alias_info.
11043         Call handle_ptr_info for tcc_binary expressions.
11044         Call mark_stmt_modified.
11045         (create_variable_info_for): If DECL has subvars, do not create
11046         variables for its subvars.  Always add all the fields.
11047         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11048         SFTs, then add all the SFTs of the structure.
11049         If VI->DECL is an aggregate with subvariables, add the SFT at
11050         VI->OFFSET.
11051         (find_what_p_points_to): If VI is an artificial variable,
11052         translate to bitfields in SSA_NAME_PTR_INFO.
11053         If the solution is empty, set pi->pt_vars to NULL
11054         (init_base_vars): Create ANYOFFSET.
11055         (compute_points_to_sets): Rename from create_alias_vars.
11056         Make extern.
11057         (pass_build_pta): Remove.
11058         (delete_points_to_sets): Rename from delete_alias_vars.
11059         (pass_del_pta): Remove.
11060         * tree-ssa-structalias.h (struct alias_info): Move from
11061         tree-ssa-alias.h.
11062         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11063         NUM_REFERENCES_SET): Likewise.
11064         (compute_points_to_sets, delete_points_to_sets): Declare.
11065
11066 2005-07-09  Richard Henderson  <rth@redhat.com>
11067
11068         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11069         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11070         alpha_split_lock_test_and_set_12): New functions.
11071         * config/alpha/alpha-protos.h: Update.
11072         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11073         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11074         * config/alpha/sync.md (I12MODE): New.
11075         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11076         (sync_<fetchop_name><I48MODE>): Likewise.
11077         (sync_nand<I48MODE>): Likewise.
11078         (sync_old_<fetchop_name><I48MODE>): Likewise.
11079         (sync_new_<fetchop_name><I48MODE>): Likewise.
11080         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11081         (sync_compare_and_swap<I48MODE>): Likewise.
11082         (sync_lock_test_and_set<I48MODE>): Likewise.
11083         (sync_compare_and_swap<I12MODE>): New.
11084         (sync_compare_and_swap<I12MODE>_1): New.
11085         (sync_lock_test_and_set<I12MODE>): New.
11086         (sync_lock_test_and_set<I12MODE>_1): New.
11087
11088 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11089
11090         PR 21356
11091         PR 22332
11092         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11093
11094 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11095
11096         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11097         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11098
11099 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11100
11101         PR target/21656
11102         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11103
11104 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11105
11106         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11107         memory_operand constraint.
11108         (store_conditional_<mode>): Same.
11109         (sync_compare_and_swap<mode>): Same.
11110         (sync_lock_test_and_set<mode>): Same.
11111
11112 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11113
11114         Rewrite PIC support to more closely model actual instructions.
11115         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11116         (cris_symbol): Remove prototypes for removed functions.
11117         (cris_pic_symbol_type_of, cris_valid_pic_const)
11118         (cris_expand_pic_call_address): Prototypes for new functions.
11119         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11120         variable.
11121         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11122         modifiers.
11123         <case ':'>: Add case for new punctuation character.
11124         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11125         emitting (extra) PIC modifier.
11126         <case UNSPEC>: Do not assert for PLT.
11127         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11128         (cris_expand_prologue, cris_expand_epilogue): Check
11129         for pic_offset_table_rtx usage instead of taking
11130         current_function_uses_pic_offset_table as the final word.
11131         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11132         Remove flag_pic difference.
11133         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11134         the moral equivalents of...
11135         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11136         functions.
11137         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11138         (cris_handle_option): Mark ARG as unused.
11139         (cris_expand_pic_call_address): New worker function for "call",
11140         "call_value".
11141         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11142         output PIC constructs here.
11143         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11144         as symbol-specific modifers, not whole or part of operands.
11145         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11146         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11147         constants and flag_pic.
11148         (CONSTANT_INDEX_P): Adjust for new functions.
11149         (enum cris_pic_symbol_type): New helper type.
11150         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11151         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11152         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11153         define_constants.
11154         ("movsi"): Emit actual instructions for GOT and relative access.
11155         ("*movsi_got_load"): New pattern to set up the register holding
11156         the GOT pointer.
11157         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11158         Adjust FIXME for 'S'.
11159         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11160         Use "movs" for -fpic cases.
11161         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11162         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11163         ("call", "call_value"): Just call cris_expand_pic_call_address for
11164         PIC addresses.
11165         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11166         Remove special pattern.
11167         ("*expanded_call_side", "*expanded_call_value_side"): New
11168         patterns.
11169         (gotplt-to-plt, gotplt-to-plt-side-call)
11170         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11171         peephole2:s.
11172         * config/cris/cris/predicates.md
11173         ("cris_general_operand_or_gotless_symbol"): Remove unused
11174         predicate.
11175         ("cris_general_operand_or_symbol"): Adjust for new functions.
11176
11177 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11178
11179         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11180
11181 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11182
11183         * Makefile.in (TREE_H): Add treestruct.def.
11184         (c-decl.o): Add pointer-set.h
11185         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11186         visibility on regular DECL's.
11187         (merge_decls): Fix the copying of decl nodes of various types for
11188         the new structures.  Don't update RTL, section name, weak status,
11189         etc, on DECL's without RTL.
11190         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11191         Don't check volatile on non-variable types.
11192         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11193         to check whether we have seen arguments.
11194         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11195         flag is checked before field (flag is common, field is not).
11196         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11197         TS_DECL_COMMON could have an origin.
11198         (add_location_or_const_value_attribute): Don't check section name
11199         on non-var/function decls.
11200         (dwarf2out_var_location): Reverse order of tests.
11201         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11202         with DECL_WRTL_CHECK.
11203         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11204         * fold-const.c (fold_binary): Don't check weakness on
11205         non-var/function decls.
11206         (tree_expr_nonzero_p): Ditto.
11207         (fold_checksum_tree): Use tree_decl_extra as sizeof
11208         buffer.
11209         * ggc-page.c (extra_order_size_table): Add sizes for
11210         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11211         tree_field_decl.
11212         * gimplify.c (gimplify_bind_expr): Only set
11213         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11214         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11215         without RTL.
11216         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11217         * langhooks.h (init_ts). New langhook.
11218         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11219         * print-tree.c (print_node): Update to only print fields that
11220         exist in the structures the passed decl has.
11221         * toplev.c (wrapup_global_declarations): Don't reset
11222         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11223         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11224         * tree-inline.c (remap_decl): Ditto.
11225         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11226         * tree-pretty-print.c (print_declaration): Don't print
11227         DECL_REGISTER on things that don't contain it.
11228         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11229         non-var/function decls.
11230         * tree.c (tree_contains_struct): New structure.
11231         (init_priority_for_decl): New hashtable.
11232         (tree_int_map): New structure.
11233         (tree_int_map_eq): New function.
11234         (tree_int_map_marked_p): Ditto.
11235         (tree_int_map_hash): Ditto.
11236         (tree_map): Move to tree.h.
11237         (tree_map_eq): Externalize.
11238         (tree_map_hash): Ditto.
11239         (tree_map_marked_p): Ditto.
11240         (init_ttree): Set up tree_contains_struct and call langhook.
11241         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11242         (tree_code_size): Update for new structures.
11243         (tree_node_structure): Update for new structures.
11244         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11245         without the field.
11246         (copy_node_stat):  Copy init priority.
11247         (build_decl_stat): Ditto for visibility.
11248         (ts_enum_names): New.
11249         (tree_contains_struct_check_failed): New function.
11250         (decl_init_priority_lookup): Ditto.
11251         (decl_init_priority_insert): Ditto.
11252         * treestruct.def: New file.
11253         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11254         (CONTAINS_STRUCT_CHECK): Ditto.
11255         (tree_contains_struct_check_failed): New prototype.
11256         (DECL_CHECK): Removed.
11257         (DECL_MINIMAL_CHECK): New.
11258         (DECL_COMMON_CHECK): Ditto.
11259         (DECL_WRTL_CHECK): Ditto.
11260         (DECL_NON_COMMON_CHECK): Ditto.
11261         (DECL_WITH_VIS_CHECK): Ditto.
11262         (VAR_OR_FUNCTION_DECL_P): Ditto
11263         (struct tree_decl_minimal): New structure.
11264         (struct tree_decl_common): Ditto.
11265         (struct tree_decl_with_rtl): Ditto.
11266         (struct tree_decl_with_vis): Ditto.
11267         (struct tree_decl_non_common): Ditto.
11268         (struct tree_field_decl): Ditto.
11269         (struct tree_parm_decl): Ditto.
11270         (struct tree_var_decl): Ditto.
11271         (struct tree_function_decl): Ditto.
11272         (struct tree_const_decl): Ditto.
11273         (struct tree_result_decl): Ditto.
11274         (union tree_node): Add new structures.
11275         * var-tracking.c (track_expr_p): Reverse order of tests.
11276
11277         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11278
11279 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11280
11281         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11282         * system.h: Poison FINALIZE_PIC.
11283         * doc/tm.texi (FINALIZE_PIC): Remove.
11284
11285 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11286
11287         PR tree-opt/22329
11288         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11289         to the correct type if we have a MODIFY_EXPR.
11290
11291 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11292
11293         PR tree-optimization/22360
11294         * tree.c (upper_bound_in_type): Fix calculations for casting
11295         to a non-wider signed type and casting a signed value to a
11296         wider unsigned type.
11297         (lower_bound_in_type): Fix calculations for casting to a
11298         non-wider signed type.
11299
11300         PR tree-optimization/20139
11301         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11302         release_defs.
11303         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11304         fold_cond_expr_cond.
11305         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11306         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11307
11308 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11309
11310         PR tree-opt/22356
11311         * tree-complex.c (expand_complex_libcall): Produce
11312         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11313
11314 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11315
11316         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11317         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11318         b" assert and inserted fastpath code for this case.
11319         (bitmap_ior): Removed "a != b" assert.
11320
11321 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11322
11323         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11324         (ENDFILE_SPEC): Likewise.
11325         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11326
11327         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11328         a large stack frame at epilogue.
11329
11330 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11331
11332         * final.c: Include sdbout.h when required.
11333
11334 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11335
11336         * config.gcc (*-*-darwin*): Only one target-specific header file
11337         for generic darwin.
11338         (powerpc-*-darwin*): Add version-specific header files.
11339         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11340         * config.in: Regenerate.
11341         * configure: Regenerate.
11342         * gcc.c: Include xregex.h.
11343         (version_compare_spec_function): New.
11344         (spec_function): Add version-compare.
11345         (replace_outfile_spec_function): Reformat comment.
11346         (compare_version_strings): New.
11347         * config/darwin-c.c (version_as_macro): New.
11348         (builtin_define): New.
11349         (darwin_cpp_builtins): New.
11350         * config/darwin-protos.h (darwin_cpp_builtins): New.
11351         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11352         (LIB_SPEC): Make unconditional, update comment.
11353         (TARGET_C99_FUNCTIONS): Define.
11354         * config/darwin.opt: Sort.
11355         (mmacosx-version-min=): New.
11356         * config/darwin7.h: Delete.
11357         * config/darwin8.h: Delete.
11358         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11359         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11360         (TARGET_C99_FUNCTIONS): Define.
11361         * config/rs6000/darwin7.h: New.
11362         * config/rs6000/darwin8.h: New.
11363         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11364         (-mmacosx-version-min): Document.
11365
11366 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11367
11368         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11369
11370 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11371
11372         PR middle-end/22239
11373         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11374
11375 2005-07-07  Khem Raj  <kraj@mvista.com>
11376
11377         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11378         in bytes, not words.
11379
11380 2005-07-07  Paul Brook  <paul@codesourcery.com>
11381
11382         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11383         DEFAULT_FUNCTION_ARG_PADDING to upward.
11384
11385 2005-07-07  Richard Henderson  <rth@redhat.com>
11386
11387         * function.c (locate_and_pad_parm): Record parameter alignment in
11388         stack_alignment_needed.
11389
11390 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11391
11392         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11393         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11394         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11395         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11396         (define_attr "type"): Add isync, sync, load_l, store_c.
11397         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11398         Create scratch volatile MEM.
11399         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11400         sync.
11401         (load_locked_<mode>): New.
11402         (store_conditional_<mode>): New.
11403         (sync_compare_and_swap<mode>): Replace with splitter.
11404         (sync_lock_test_and_set<mode>): Replace with splitter.
11405         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11406         and UNSPECV_ISYNC.
11407         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11408         is ics.  Attribute isync.
11409         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11410         lwsync.
11411         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11412         and UNSPECV_SYNC_OP.
11413         (emit_unlikely_jump): New.
11414         (emit_load_locked): New.
11415         (emit_store_conditional): New.
11416         (rs6000_split_compare_and_swap): New.
11417         (rs6000_split_lock_test_and_set): New.
11418         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11419         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11420         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11421         rs6000_split_lock_test_and_set): Declare.
11422         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11423         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11424         store_c, isync, sync.
11425
11426 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11427
11428         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11429         filenames to gtyp-gen.h.
11430         (s-typ-gen): Use it in place of for loops.
11431
11432 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11433
11434         * hooks.c (hook_bool_rtx_int_false): New function.
11435         * hooks.h (hook_bool_rtx_int_false): Declare.
11436         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11437         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11438         * target.h (struct gcc_target): Add commutative_p member.
11439         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11440         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11441         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11442         (pa_commutative_p): New function.
11443         * jump.c (target.h): Include.
11444         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11445         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11446
11447 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11448
11449         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11450         (s390_expand_setmem): New.
11451         * config/s390/s390.c: Likewise.
11452         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11453         Adapt comments.
11454         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11455         general_operand.  Call new function "s390_expand_setmem".
11456         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11457         ("setmem_long", "*setmem_long"): ... this.
11458
11459 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11460
11461         * config/s390/s390.c: (optimization_options): Enable
11462         TARGET_MVCLE at -Os.
11463         * doc/invoke.texi: Document changes in default behaviour.
11464         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11465
11466 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11467
11468         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11469         defined by back-end.
11470
11471 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11472
11473         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11474         all sets in the pattern.
11475         * config/rs6000/rs6000.md (stack_protect_testsi,
11476         stack_protect_testdi): Likewise.
11477
11478 2005-07-06  Jeff Law  <law@redhat.com>
11479
11480         * tree-vrp.c (simplify_using_ranges): Kill.
11481         (vrp_finalize): Remove call to simplify_using_ranges.
11482         (simplify_stmt_using_ranges): New function extracted from
11483         simplify_using_ranges.
11484         (simplify_div_or_mod_using_ranges): Likewise.
11485         (simplify_abs_using_ranges): Likewise.
11486         (simplify_cond_using_ranges): New function.
11487         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11488         * tree-ssa-propagate.c (substitute_and_fold): Call
11489         simplify_stmt_using_ranges if we have range information.
11490
11491 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11492
11493         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11494         ia64_flag_schedule_isns2.
11495
11496         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11497         reading/writing general registers.
11498         (ia64_function_arg): Revert 2005-06-18 change.
11499
11500 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11501
11502         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11503         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11504
11505 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11506
11507         * function.c (expand_function_end): Revert part of 2005-06-27
11508         patch.  Do sjlj_emit_function_exit_after after return_label.
11509
11510 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11511
11512         * doc/install.texi (--disable-libssp): New.
11513
11514 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11515
11516         * doc/invoke.texi: Update -fforce-mem documentation.
11517         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11518         code for -fforce-mem.
11519         * expmed.c: (store_bit_field,store_fixed_bit_field,
11520         extract_bit_field): Ditto.
11521         * expr.c: (convert_move): Ditto.
11522         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11523         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11524         emit_conditional_add,expand_float,expand_fix): Ditto.
11525         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11526         (common_handle_option): Issue warning when -fforce-mem specified.
11527
11528 2005-07-06  Paul Brook  <paul@codesourcery.com>
11529
11530         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11531         argument is empty.
11532         * configure: Regenerate.
11533
11534 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11535
11536         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11537
11538 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11539
11540         Fix PR tree-optimization/22319
11541         Fix PR tree-optimization/22140
11542         Fix PR tree-optimization/22310
11543
11544         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11545         variable sized types.
11546         Use correct type for intermediate structure on *a = *b structure
11547         copies.
11548
11549 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11550
11551         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11552         Remove.
11553         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11554         (machine_function): Move typedef to...
11555         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11556         varargs_save_offset field.
11557         (rs6000_stack_t): Remove varargs_size field.
11558         (setup_incoming_varargs): Allocate varargs save area using
11559         assign_stack_local, try to make it as small as possible.
11560         Save offset from virtual_stack_vars_rtx to the save area
11561         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11562         instead of magic 8 when fp word byte size is used.
11563         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11564         instead of -RS6000_VARARGS_SIZE.
11565         (rs6000_stack_info, debug_stack_info,
11566         rs6000_initial_elimination_offset): Remove all traces of
11567         varargs_size.
11568         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11569         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11570         RS6000_VARARGS_AREA.
11571
11572 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11573
11574         PR tree-optimization/21963
11575         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11576         constant_multiple_of in the same way get_computation_cost_at does.
11577
11578 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11579
11580         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11581         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11582         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11583         and return its previous value.
11584         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11585         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11586         constants.
11587         (stack_protect_set, stack_protect_test): New expanders.
11588         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11589         stack_protect_testdi): New insns.
11590         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11591         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11592
11593 2005-07-06  Jeff Law  <law@redhat.com>
11594
11595         * tree-ssa-dce.c (cfg_altered): New global.
11596         (tree_dce_init): Initialize cfg_altered.
11597         (remove_dead_stmt): If we remove an edge in the CFG, then set
11598         CFG_ALTERED.
11599         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11600         the dominators.
11601
11602 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11603
11604         * Makefile.in (stamp-collect-ld): Use
11605         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11606         ./collect-ld if it already exists.
11607         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11608         Don't remove ./nm if it already exists.
11609
11610 2005-07-05  Devang Patel  <dpatel@apple.com>
11611
11612         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11613         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11614         * tree-vectorizer.c (vect_loop_location): New.
11615         (vect_print_dump_info): Use vect_loop_location.
11616         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11617         (vectorize_loops): Set vect_loop_location.
11618         * tree-vect-analyze.c (vect_analyze_offset_expr,
11619         vect_determin_vectorization_factor, vect_analyze_operations,
11620         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11621         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11622         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11623         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11624         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11625         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11626         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11627         vect_analyze_loop): Adjust vect_print_dump_info API.
11628         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11629         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11630         vect_finish_stmt_generation, vectorizable_assignment,
11631         vectorizable_operation, vectorizable_store, vectorizable_load,
11632         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11633         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11634         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11635         vect_transform_loop): Same.
11636         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11637         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11638         Same.
11639
11640 2005-07-05  Randolph Chung  <tausq@debian.org>
11641
11642         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11643         * configure: Regenerate.
11644         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11645         (pa_tls_referenced_p): Declare.
11646         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11647         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11648         (legitimize_tls_address): New.
11649         (hppa_legitimize_address): Handle TLS addresses.
11650         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11651         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11652         (emit_move_sequence): Handle TLS addresses.
11653         (pa_encode_section_info): Call default handler to handle common
11654         sections.
11655         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11656         (CONSTANT_ADDRESS_P): Reject TLS operands.
11657         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11658         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11659         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11660         (UNSPEC_TLSLE): Define new constants.
11661         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11662         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11663         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11664         (tie_symbolic_operand, tle_symbolic_operand): New
11665
11666 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11667
11668         * aclocal.m4: Update macros for autoconf 2.59 style.
11669         * configure.ac: Likewise.
11670
11671 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11672
11673         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11674         (function_arg): Pass small aggregates in general registers on 32-bit
11675         targets.
11676         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11677
11678 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11679
11680         * Makefile.in (final.o): Fix dependencies.
11681
11682 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11683
11684         PR c/22013
11685         PR c/22098
11686         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11687         * langhooks.c (lhd_expr_to_decl): New.
11688         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11689         New.
11690         (LANG_HOOKS_INITIALIZER): Update.
11691         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11692         expr_to_decl langhook.
11693         * c-tree.h (c_expr_to_decl): Declare.
11694         * c-typeck.c (c_expr_to_decl): New.
11695         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11696         specially.
11697         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11698
11699 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11700
11701         PR c/22308
11702         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11703         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11704
11705 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11706
11707         * Makefile.in: Adjust dependencies.
11708         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11709         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11710         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11711         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11712         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11713         rest_of_compilation.
11714
11715         * bb-reorder.c (gate_duplicate_computed_gotos,
11716         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11717         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11718         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11719         pass_partition_blocks): New.
11720         * bt-load.c (gate_handle_branch_target_load_optimize,
11721         rest_of_handle_branch_target_load_optimize,
11722         pass_branch_target_load_optimize): New.
11723         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11724         pass_jump2): New.
11725         * cfglayout.c (pass_insn_locators_initialize): New.
11726         * cfgrtl.c (pass_free_cfg): New.
11727         * combine.c (gate_handle_combine, rest_of_handle_combine,
11728         pass_combine): New.
11729         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11730         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11731         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11732         * except.c (pass_set_nothrow_function_flags,
11733         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11734         pass_rtl_eh): New.
11735         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11736         rest_of_handle_shorten_branches, pass_shorten_branches,
11737         rest_of_clean_state, pass_clean_state): New.
11738         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11739         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11740         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11741         pass_flow2): New.
11742         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11743         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11744         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11745         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11746         pass_gcse): New.
11747         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11748         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11749         pass_rtl_ifcvt, gate_handle_if_after_combine,
11750         rest_of_handle_if_after_combine, pass_if_after_combine,
11751         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11752         pass_if_after_reload): New.
11753         * integrate.c (pass_initial_value_sets): New.
11754         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11755         pass_purge_lineno_notes): New.
11756         * mode-switching.c (rest_of_handle_mode_switching,
11757         pass_mode_switching): New.
11758         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11759         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11760         pass_loop2): New.
11761         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11762         pass_loop_optimize): New.
11763         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11764         pass_sms): New.
11765         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11766         pass_gcse2): New.
11767         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11768         pass_postreload_cse): New.
11769         * profile.c (gate_handle_profiling, pass_profiling,
11770         rest_of_handle_branch_prob, pass_branch_prob): New.
11771         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11772         pass_split_before_regstack, gate_handle_split_before_regstack,
11773         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11774         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11775         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11776         pass_stack_regs): New.
11777         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11778         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11779         pass_stack_adjustments): New.
11780         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11781         pass_regrename): New.
11782         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11783         pass_delay_slots, gate_handle_machine_reorg,
11784         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11785         * rtl.h (extern void purge_line_number_notes): New.
11786         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11787         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11788         pass_sched2): New.
11789         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11790         pass_tracer): New.
11791         * value-prof.c (gate_handle_value_profile_transformations,
11792         rest_of_handle_value_profile_transformations,
11793         pass_value_profile_transformations): New.
11794         * var-tracking.c (gate_handle_var_tracking,
11795         pass_variable_tracking): New.
11796         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11797
11798         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11799         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11800         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11801         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11802         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11803         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11804         rest_of_handle_gcse2, rest_of_handle_regmove,
11805         rest_of_handle_tracer, rest_of_handle_if_conversion,
11806         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11807         rest_of_handle_web, rest_of_handle_branch_prob,
11808         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11809         rest_of_handle_jump_bypass, rest_of_handle_combine,
11810         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11811         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11812         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11813         rest_of_handle_mode_switching, rest_of_handle_jump,
11814         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11815         rest_of_handle_flow2, rest_of_handle_jump2,
11816         rest_of_handle_peephole2, rest_of_handle_postreload,
11817         rest_of_handle_shorten_branches, rest_of_clean_state,
11818         rest_of_compilation): Remove.
11819
11820         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11821         * passes.c (dump_flags, in_gimple_form, all_passes,
11822         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11823         register_dump_files, next_pass_1, last_verified, execute_todo,
11824         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11825         from tree-optimize.c.
11826         (init_optimization_passes): Moved from tree-optimize.c,
11827         adding the RTL optimizations.
11828         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11829         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11830         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11831         register_dump_files, next_pass_1, last_verified, execute_todo,
11832         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11833         init_tree_optimization_passes, ipa_passes): Delete.
11834         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11835         the RTL dumps.
11836         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11837         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11838         from tree.h.
11839         (ipa_passes): Remove.
11840         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11841         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11842         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11843         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11844         (dump_info_p, dump_flag): Moved to tree-dump.h.
11845
11846         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11847         cgraph.c, opts.c.
11848         * passes.c (finish_optimization_passes): Use dump_begin
11849         and dump_end, TDI_end.
11850         (gate_rest_of_compilation): New.
11851         (pass_rest_of_compilation): Use it.
11852         (gate_postreload, pass_postreload): New.
11853         * toplev.c (general_init): Rename init_tree_optimization_passes.
11854         * toplev.h (init_tree_optimization_passes): Rename to
11855         init_optimizations_passes.
11856         * tree-dump.c (dump_flag): Make static.
11857         (dump_files): Remove RTL dumps.
11858         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11859         pass_cleanup_cfg, pass_free_cfg_annotations,
11860         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11861         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11862         * tree-pretty-print.c: Include tree-pass.h.
11863         * cgraph.c: Include tree-dump.h.
11864
11865 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11866
11867         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11868         Only fall back to saying it points to readonly memory if
11869         we can't do better.
11870
11871 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11872
11873         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11874         * config/m32r/m32r.c (m32r_compute_frame_size,
11875         m32r_expand_prologue): Take current_function_profile into
11876         account whenever we reference
11877         current_function_uses_pic_offset_table.
11878         (m32r_finalize_pic): Remove.
11879         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11880
11881 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11882
11883         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11884         instead of $<.  Don't remove ./as if it already exists.
11885
11886 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11887
11888         PR target/21723
11889         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11890         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11891         for complex modes when generating code for PA 1.0.
11892         (VALID_FP_MODE_P): New macro.
11893         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11894         sets for all general and floating point modes.  Align wide floating
11895         point modes to even register boundaries to comply with architectural
11896         requirements.
11897         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11898         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11899         (VALID_FP_MODE_P): New macro.
11900         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11901         sets for all general and floating point modes.  Align wide floating
11902         point modes to even register boundaries to comply with architectural
11903         requirements.
11904
11905 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11906
11907         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11908         to 0.
11909
11910 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11911
11912         * tree-ssa-structalias.c: Don't include expr.h.
11913
11914 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11915
11916         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11917         comments.
11918
11919 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11920
11921         Fix PR tree-optimization/22279
11922
11923         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11924         correct operator.
11925
11926 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11927
11928         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11929
11930 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11931
11932         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11933         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11934         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11935         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11936         config/stormy16/stormy16.c, config/v850/v850.c,
11937         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11938         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11939         Avoid "." or "\n" at end of diagnostics and capital letters at
11940         start of diagnostics.
11941         * combine.c, cse.c: Don't translate dump file output.
11942         * toplev.c (print_version): Only translate output if going to
11943         stderr.
11944
11945 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11946
11947         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11948         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11949         typos.
11950
11951 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11952
11953         * pa.c (fix_range): Fix typo in comment.
11954
11955 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11956
11957         * tree-vrp.c (extract_range_from_assert): Replace
11958         fold (build (...)) with fold_build2.
11959
11960 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11961
11962         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11963         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11964         (format_types_orig, handle_format_attribute): Add support for
11965         format "gcc_gfc".
11966
11967 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11968
11969         * varasm.c (assemble_variable): Fix format specifier thinko.
11970
11971 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11972
11973         PR tree-optimization/22029 (and 22135)
11974         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11975         a phi node before calling dump_vops.
11976
11977 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11978
11979         * tree-dump.h (dump_string_field): Declare.
11980         * tree-dump.c: Use it instead of dump_string.
11981         (dump_string_field): Make non-static.
11982
11983 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11984
11985         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11986         up the minimal CFG stuff always when optimize > 0.  Call
11987         split_all_insns_noflow in PIC case if needed.
11988
11989 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11990             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11991
11992         PR c++/18279
11993         * c-decl.c (c_write_global_declarations): Dump contents of
11994         external scope to.
11995         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11996         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11997         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11998         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11999         is enabled.
12000
12001 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12002
12003         * c-common.h (GCC_DIAG_STYLE): Define.
12004         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12005         version for format checking to 4.1.
12006         * c-format.c: Include toplev.h after c-common.h.
12007         (enum format_type): Add gcc_tdiag_format_type.
12008         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12009         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12010         (format_types_orig): Add gcc_tdiag.
12011         (init_dynamic_diag_info): Support gcc_tdiag formats.
12012         (handle_format_attribute): Likewise.
12013         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12014         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12015         version for format checking to 4.1.
12016         (warning0, warning, error, pedwarn, sorry): Use
12017         ATTRIBUTE_GCC_DIAG.
12018         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12019         (finish_aliases_1): Do not use %qE.
12020         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12021         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12022         Correct format bugs.
12023         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12024         parameter to unsigned HOST_WIDE_INT.
12025         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12026
12027 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12028
12029         PR middle-end/21742
12030         * expr.c (write_complex_part): Use adjust_address for MEM.
12031         (read_complex_part): Same.
12032
12033 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12034
12035         Fix PR tree-optimization/22280
12036
12037         * tree-sra.c (generate_element_init): Remove useless loop.
12038
12039 2005-07-02  Richard Henderson  <rth@redhat.com>
12040
12041         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12042         TLS_MODEL_NONE.
12043         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12044
12045 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12046
12047         PR middle-end/14490
12048         * fold-const.c (fold_binary): Handle the return value of
12049         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12050         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12051
12052 2005-07-02  Jeff Law  <law@redhat.com>
12053
12054         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12055         a eliminate type conversion which feeds an equality comparison
12056         if the original type or either operand in the comparison is a
12057         function pointer.
12058
12059 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12060
12061         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12062         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12063         texts.
12064         * config/avr/avr.c: Do not use '`' as left quote.
12065         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12066         Remove "." from end of diagnostics.  Make diagnostics start with
12067         lowercase letter.
12068
12069 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12070             Joseph S. Myers  <joseph@codesourcery.com>
12071
12072         * toplev.c (default_tree_printer): Handle setting location with
12073         '+' flag.
12074         * c-objc.common.c (c_tree_printer): Likewise.
12075         * c-format.c (gcc_diag_flag_specs): Add '+'.
12076         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12077         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12078         formats.
12079         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12080         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12081         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12082         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12083         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12084         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12085         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12086         format arguments where %J is used without %D.
12087
12088 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12089
12090         * gcc.c (LINK_SSP_SPEC): Define.
12091         (link_ssp_spec): New variable.
12092         (LINK_COMMAND_SPEC): Add %(link_ssp).
12093         (static_specs): Add link_ssp_spec.
12094         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12095         * configure: Rebuilt.
12096         * config.in: Rebuilt.
12097
12098         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12099         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12100         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12101         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12102         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12103         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12104         -0x7008(2) instead of reading __stack_chk_guard variable.
12105         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12106         number.
12107         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12108         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12109         if TARGET_THREAD_SSP_OFFSET is defined.
12110         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12111         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12112
12113         Revert:
12114         2005-06-27  Richard Henderson  <rth@redhat.com>
12115         * libgcc-std.ver (GCC_4.1.0): New.
12116         * libgcc.h (__stack_chk_guard): Declare.
12117         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12118         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12119         * mklibgcc.in (lib2funcs): Add them.
12120
12121 2005-07-01  Richard Henderson  <rth@redhat.com>
12122
12123         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12124         void * before struct sigcontext *.
12125         (x86_fallback_frame_state): Likewise.
12126
12127 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12128
12129         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12130
12131 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12132
12133         PR tree-opt/22269
12134         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12135         we check for SSA_NAME for.
12136
12137 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12138
12139         Fix PR tree-optimization/22071
12140
12141         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12142         function.
12143         (get_constraint_for_component_ref): Use it.
12144
12145 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12146
12147         PR other/22264
12148         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12149         print out the last new line.
12150
12151 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12152
12153         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12154         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12155         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12156         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12157         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12158         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12159         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12160         (enum reg_class): New member CC0_REGS.
12161         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12162         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12163         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12164         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12165         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12166         Adjust for register now described.
12167
12168 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12169
12170         PR target/22262
12171         * config/i386/i386.md (stack_protect_test_si,
12172         stack_protect_test_di): Add earlyclobber for scratch 3.
12173         * config/rs6000/rs6000.md (stack_protect_testsi,
12174         stack_protect_testdi): Add earlyclobber for scratch 3,
12175         remove earlyclobber from scratch 4.
12176
12177 Older entries for 2005 can be found in ChangeLog-2005.