re PR rtl-optimization/25456 (cc0 targets are broken.)
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
2
3         PR rtl-optimization/25456
4         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
5         info->x_start with p->x_start.
6
7 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
8
9         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
10         introduced 2005-12-16.
11
12 2005-12-16  Steven Bosscher  <stevenb@suse.de>
13
14         PR rtl-optimization/23837
15         * optabs.c (expand_binop): For a multi-word rotate, never emit
16         a REG_NO_CONFLICT block.
17
18 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19
20         PR middle-end/25457
21         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
22
23         PR target/25447
24         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
25         MODE_DECIMAL_FLOAT.
26
27 2005-12-16  Steven Bosscher  <stevenb@suse.de>
28
29         * loop-invariant.c (move_loop_invariants): Add missing hunk from
30         the previous patch, to nullify df.
31
32 2005-12-16  Steven Bosscher  <stevenb@suse.de>
33
34         * reorg.c (mostly_true_jump): Clean up code depending on
35         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
36         poor man's branch prediction, instead rely on REG_BR_PROB
37         notes to be available.
38
39 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
40
41         PR rtl-optimization/24899
42         * loop.c (strength_reduce): Don't reduce giv that is not always
43         computable and where add_val or mult_val can trap.
44
45         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
46
47 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
48
49         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
50         names of ms1-16-002 files.
51
52 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
53
54         PR driver/20425
55         * gcc.c (for_each_path): New function.
56         (add_to_obstack, file_at_path): New functions.
57         (struct file_at_path_info, struct add_to_obstack_info): New.
58         (build_search_list): Rewrite using for_each_path.  Constify struct
59         path_prefix pointer.  Add do_multi param.  Adjust all callers.
60         (find_a_file): Similarly, but just change existing param to bool.
61         (putenv_from_prefixes): Add do_multi param, make "paths" const.
62         (do_spec_path): Delete.
63         (struct spec_path_info): New.
64         (spec_path): New function.
65         (do_spec_1): Use for_each_path for %D and %I.
66         (find_file): Adjust for find_a_file changes.
67         (main): Search multilibs for specs.  Print multilib lib path for
68         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
69         (read_specs): Search multilibs for %include and %include_noerr.
70         (is_directory): Remove second string param.  Change last param
71         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
72         check path is a dir.  Update all callers.
73         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
74         * system.h (SMALL_ARG_MAX): Poison.
75         * config.gcc: Don't define SMALL_ARG_MAX.
76         * config.host: Likewise.
77         * config.build: Likewise.
78
79 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
80
81         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
82         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
83         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
84         simplify_logical): Move simplifications that do not require
85         additional infrastructure...
86         * simplify-rtx.c (simplify_unary_operation_1,
87         simplify_binary_operation_1): ... here.
88
89 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
90
91         PR 24823
92         * flow.c (mark_used_dest_regs): New function.
93         (mark_used_regs): Call mark_used_dest_regs.
94
95 2005-12-16  Jeff Law  <law@redhat.com>
96
97         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
98         represent a use and definition of the same SSA_NAME.
99
100 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
101             Janis Johnson  <janis187@us.ibm.com>
102             Ben Elliston  <bje@au.ibm.com>
103
104         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
105         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
106         * target.h (struct gcc_target): Add decimal_float_supported_p.
107         * targhooks.c (default_scalar_mode_supported_p): Handle
108         MODE_DECIMAL_FLOAT.
109         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
110         of inf, nan, finite, isinf and isnan.
111         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
112         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
113         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
114         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
115         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
116         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
117         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
118         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
119         Pedwarn if decimal floating point types are used.  Error if
120         decimal floating point is not supported by the target.
121         (finish_declspecs): Return type from DFP typespec_word.
122         * c-typeck.c (c_common_type): Choose the decimal floating point
123         type with the greater precision when determining a common type.
124         (convert_arguments): Warn if there is a mismatch between argument
125         and prototype for decimal float types.  Warn of conversions with
126         binary float types and of precision narrowing due to prototype.
127         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
128         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
129         (c_token_starts_declspecs): Likewise.
130         (c_parser_attributes): Likewise.
131         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
132         RID_DFLOAT64, RID_DFLOAT128.
133         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
134         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
135         (shorten_compare): Convert DFP/BFP operands to a common type.
136         (c_common_modes_and_builtins): Register built-in decimal float
137         types if the target supports them.
138         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
139         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
140         inf, nan, finite, isinf and isnan builtins.
141         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
142         (builtin_define_float_constants): Assert non-decimal radix.
143         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
144         Call builtin_define_decimal_float_constants for each type.
145         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
146         flags.  Use real_from_string3, which can handle binary or decimal
147         floats.
148         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
149         cts_dfloat64, cts_dfloat128.
150         * tree.c (build_common_tree_nodes_2): Add decimal float types.
151         * tree.h (enum tree_index): Add new enumeration values
152         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
153         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
154         (dfloat32_type_node): New macro.
155         (dfloat64_type_node, dfloat128_type_node): Likewise.
156         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
157         (dfloat128_ptr_type_node): Likewise.
158         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
159         bit decimal floating point types with "df", "dd" and "dl".
160         * c-format.h (enum format_lengths): Add new enumeration values
161         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
162         * c-format.c (printf_length_specs, scanf_length_specs): Add
163         entries for H, D, DD.
164         (print_char_table, scan_char_table): Use new entries.
165         (asm_fprintf_char_table, gcc_diag_char_table,
166         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
167         length arrays.
168         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
169         (DECIMAL64_TYPE_SIZE): Likewise.
170         (DECIMAL128_TYPE_SIZE): Likewise.
171         (TARGET_DEC_EVAL_METHOD): Likewise.
172         * doc/extend.texi (Decimal Float): New node.
173         (Constructing Calls): Document decimal float built-ins.
174         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
175         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
176         * ginclude/decfloat.h: New file.
177
178 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
179
180         * reload.c (find_reloads): Fix comment typo.
181         * recog.h (recog_memoized): Correct comment.
182
183 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
184
185         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
186         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
187         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
188         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
189         * doc/invoke.texi, doc/tm.texi: Fix typos.
190
191 2005-12-16  Ben Elliston  <bje@au.ibm.com>
192
193         * real.c (decimal_quad_format): Correct values for emin, emax.
194
195 2005-12-15  DJ Delorie  <dj@redhat.com>
196
197         * config/m32c/predicates.md (m32c_psi_scale): New.
198         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
199         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
200
201 2005-12-16  Jan Hubicka  <jh@suse.cz>
202
203         PR rtl-optimization/25224
204         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
205         tables.
206
207 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
208             Steven Bosscher <stevenb@suse.de>
209
210         * loop-invariant.c (df): New global variable.
211         (find_defs, check_dependencies, find_invariant_insn, record_uses,
212         find_invariants_bb, find_invariants_body, find_invariants,
213         find_invariants_to_move, move_invariants, free_inv_motion_data,
214         move_single_loop_invariants, move_loop_invariants): Do not pass df in
215         arguments.
216
217 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
218
219         * varasm.c (default_unique_section_1): Use special section
220         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
221
222 2005-12-16  Ben Elliston  <bje@au.ibm.com>
223
224         * doc/invoke.texi (Warning Options): Document -Walways-true being
225         enabled by -Wall.
226
227 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
228
229         PR other/25028
230         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
231         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
232         __floatunditf): Use #error if type sizes don't match requirements
233         of implementation.
234         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
235         as wider floating-point type.  Use #error if type sizes don't
236         match requirements of implementation.  Avoid overflow in computing
237         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
238         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
239         (__floatundisf, __floatundidf): Likewise.
240         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
241         * config/ia64/ia64.c (ia64_init_libfuncs): Use
242         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
243         TFmode-TImode conversions.
244         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
245
246 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
247
248         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
249         Use builtin_define_with_int_value() instead of
250         adding a new check for every new major FreeBSD version.
251
252 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
253
254         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
255
256 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
257
258         * config/arm/predicates.md (call_memory_operand): New.
259         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
260
261 2005-12-15  Andrew Haley  <aph@redhat.com>
262
263         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
264         against prev_cache_entry == NULL when moving a cache entry to the
265         head of the list.
266         
267 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
268
269         * config/mt/mt.c (mt_override_options): Require lower case
270         architectures.  Revert accidental default to ms2.
271         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
272         ENDFILE_SPEC): Require lower case architectures.  Revert default
273         to ms2.
274
275         * doc/invoke.texi (MT Options): Rename and update.
276         * doc/md.texi (MorphoTech family): Rename and update.
277
278 2005-12-15  Olivier Hainque  <hainque@adacore.com>
279
280         * stor-layout.c (layout_type): Don't complain about a too small
281         an array element type size compared to its alignment when the
282         size overflows.
283
284 2005-12-15  Jan Hubicka  <jh@suse.cz>
285
286         PR target/24969
287         * i386.c (classify_argument): Properly adjust offset of bitfield for
288         substructures.
289
290 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
291
292         * final.c (final_scan_insn): Flip in_cold_section_p when changing
293         between the hot and cold sections.  Use current_function_section
294         to get the new section.
295         * dwarf2out.c (output_line_info): Use in_cold_section_p to
296         determine whether we are assembling hot or cold code.
297         (secname_for_decl, dwarf2out_var_location): Likewise.
298         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
299         * varasm.c (last_text_section): Delete.
300         (in_cold_section_p): New variable.
301         (hot_function_section): New function.
302         (current_function_section): Pass in_cold_section_p as the
303         reloc argument to select_section.  Use it to decide between
304         unlikely_function_section and hot_function_section.
305         (assemble_start_function): Use switch_to_section.  Set
306         in_cold_section_p instead of last_text_section.
307         (assemble_end_function): Use switch_to_section.
308         (switch_to_section): Don't set last_text_section.
309         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
310         argument to make the right choice between hot and cold sections.
311
312 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
313
314         Second part of MS1->MT renaming
315         * config/mt/mt.md (doloop_end): Call mt_add_loop.
316         (movqi, movhi): Call mt_set_memflags.
317         (*movdf_internal): Call mt_split_words. 
318         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
319         mt_set_memflags.
320         (cmpsi): Store to mt_compare_op[01].
321         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
322         bungt, bunle, bunlt): Call mt_emit_cbranch.
323         (prologue): Call mt_expand_prologue.
324         (epilogu): Call mt_expend_epilogue.
325         (eh_return): Call mt_expand_eh_return.
326         (eh_epilogue): Call me_emit_eh_epilogue.
327         (conditional_trap): Store to mt_compare_op[01].
328         * config/mt/crti.asm: Adjust comment.
329         * config/mt/crtn.asm: Adjust comment.
330         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
331         (mt_compare_op0, mt_compare_op1): Renamed.
332         (current_frame_info, zero_frame_info): Adjust type.
333         (mt_ucmpsi3_libcall): Renamed.
334         (mt_flag_delayed_branch): Renamed.
335         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
336         (mt_nops_required, mt_nop_reasons): Renamed.
337         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
338         mt_debug_stack, mt_print_operand_simple_address,
339         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
340         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
341         mt_function_arg_advance, mt_arg_partial_bytes,
342         mt_pass_by_reference, mt_function_arg_boundary,
343         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
344         mt_legitimate_address_p): Renamed, adjusted.
345         (mt_cpu): Renamed.
346         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
347         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
348         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
349         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
350         mt_expand_eh_return, mt_emit_eh_prologue,
351         mt_handl_interrupt_attribute): Renamed, adjusted.
352         (mt_attribute_table): Renamed, adjusted.
353         (mt_initial_elimination_offset, mt_generate_compare,
354         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
355         mt_secondary_reload_class, mt_function_value, mt_split_words,
356         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
357         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
358         (mt_labels): Renamed.
359         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
360         mt_machine_reorg): Renamed, adjusted.
361         (mt_attribute_table: Renamed.
362         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
363         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
364         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
365         * config/mt/mt.opt (march): Set mt_cpu_string.
366         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
367         (TARGET_CPU_CPP_BUILTINS): Adjust.
368         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
369         TARGET_MS2): Adjust.
370         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
371         (MT_MIN_INT): Renamed.
372         (RETURN_ADDR_RTX): Adjust.
373         (struct mt_frame_info): Renamed.
374         (current_frame_info): Adjust type.
375         (INITIAL_ELIMINATION_OFFSET): Adjust.
376         (MT_NUM_ARG_REGS): Renamed.
377         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
378         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
379         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
380         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
381         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
382         (mt_compare_op0, mt_compare_op1): Renamed.
383         * config/mt/mt-protos.h: Rename prototypes.
384
385 2005-12-15  Richard Guenther  <rguenther@suse.de>
386
387         * tree-flow.h (okay_component_ref_for_subvars): Remove.
388         (get_ref_base_and_extent): Declare.
389         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
390         (get_ref_base_and_extent): New function.
391         * tree-ssa-alias.c (find_used_portions): Use it.
392         * tree-ssa-structalias.c (get_constraint_for_component_ref):
393         Likewise.
394         * tree-ssa-operands.c (get_expr_operands): Likewise.
395
396 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
397
398         * combine.c: Remove force_to_mode's fourth parameter.
399         (force_to_mode): Do not handle REG.
400         (canon_reg_for_combine): New.
401         (make_field_assignment): Use it where the removed argument was non-NULL.
402
403 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
404
405         PR target/25406
406         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
407         error_mark_node.  Make alignment params unsigned.
408         * config/rs6000/rs6000-protos.h
409         (rs6000_special_round_type_align): Update prototype.
410         (rs6000_machopic_legitimize_pic_address): Remove arg names.
411
412 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
413
414         PR rtl-optimization/25310
415         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
416         of the eliminable register when substituting into a PLUS.
417
418 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
419
420         PR debug/25023
421         * config/i386/i386.c (ix86_force_to_memory): Always use
422         SImode push for HImode in -m32.
423         (ix86_free_from_memory): Likewise.
424
425 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
426
427         * gcc/config/arm/arm.md: Provide a big-endian version of the
428         (zero_extend:SI (subreg:QI ...)) splitter.
429
430 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
431
432         * struct-equiv.c (note_local_live): Handle hard regs with different
433         hard_regno_nregs.
434
435 2005-12-14  Jeff Law  <law@redhat.com>
436
437         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
438         to a structure containing state rather than a pointer to bool.
439         (case ARRAY_REF): New code to handle folding some array references.
440         (case ADDR_EXPR): Note when we are processing expressions found
441         within an ADDRE_EXPR.
442         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
443         for state variables rather than just a pointer to a boolean.
444         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
445         handling of constant string references.
446
447 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
448
449         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
450         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
451         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
452         Move other tst* patterns to retain partial order.
453
454 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
455
456         * config/s390/s390.md ("d0", "1"): New mode attributes.
457         ("<shift>di3", "<shift>si3"): Merge.
458         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
459         ("ashrdi3", "ashrsi3"): Merge.
460         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
461         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
462         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
463         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
464         ("*ashrdi3", "*ashrsi3"): Merge.
465         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
466
467 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
468
469         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
470         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
471         ("*extendqidi2", "*extendqisi2") Merge.
472         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
473         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
474         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
475         Move some patterns to retain partial ordering.
476
477 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
478
479         * config/s390/s390.md ("atype", "length"): Rewrite.
480         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
481
482 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
483
484         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
485
486 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
487
488         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
489         PARALLELs with a mode.
490
491 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
492
493         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
494         cond_expr parameter.
495
496 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
497
498         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
499
500 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
501
502         PR bootstrap/25397:
503
504         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
505         of STACK_REGS bits.
506
507         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
508
509 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
510
511         PR target/25254
512         PR target/24188
513         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
514         DECL_P, call get_section rather than get_named_section.  Supply
515         section flags to it.
516
517 2005-12-14  Ben Elliston  <bje@au.ibm.com>
518
519         * c-common.c (c_common_truthvalue_conversion): Generalise warning
520         for addresses converted to booleans; not just function addresses.
521         * c-typeck.c (build_binary_op): Warn for address comparisons which
522         can never be NULL (eg. func == NULL or &var == NULL).
523         * common.opt (Walways-true): New option.
524         * c-opts.c (c_common_handle_option): Set it with -Wall.
525         * doc/invoke.texi: Document it.
526
527 2005-12-13  Paul Brook  <paul@codesourcery.com>
528
529         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
530         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
531
532 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
533
534         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
535         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
536
537         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
538         (EXTRA_MULTILIB_PARTS): Define.
539
540 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
541
542         PR rtl-optimization/20070 / part1
543         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
544         count_or_remove_death_notes with kill == -1.
545         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
546         registers if PROP_POST_REGSTACK is set.
547         (mark_used_reg): Likewise.
548         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
549         REG_UNUSED notes for stack regs.
550         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
551         to match rtx_equiv_p machinery.  Change caller.
552         (outgoing_edges_match): Likewise.
553         (try_crossjump_to_edge): Use struct_equiv_block_eq
554         instead of flow_find_cross_jump.
555         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
556         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
557         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
558         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
559         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
560         (insns_match_p): Update prototype.
561         (flow_find_cross_jump): Remove prototype.
562         (struct_equiv_block_eq, struct_equiv_init): Declare.
563         (rtx_equiv_p, condjump_equiv_p): Likewise.
564         * struct-equiv.c: Include reload.h.
565         (IMPOSSIBLE_MOVE_FACTOR): Define.
566         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
567         (struct_equiv_improve_checkpoint): Likewise.
568         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
569         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
570         (struct_equiv_merge, find_dying_input): Likewise.
571         (resolve_input_conflict, note_local_live): Likewise.
572         (death_notes_match_p): Change parameters and processing
573         to match rtx_equiv_p machinery.  Change caller.
574         (insns_match_p): Likewise.
575         (flow_find_cross_jump): Replace with:
576         (struct_equiv_block_eq).
577
578         Back out this change:
579         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
580           * recog.c (verify_changes): Make it static.
581           * recog.h: Remove the corresponding prototype.
582
583 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
584
585         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
586         values.
587
588 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
589
590         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
591         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
592         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
593         TARGET_MS1_64_001 appropriately.
594         (ms1_machine_reorg): Use TARGET_MS2.
595
596 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
597
598         PR debug/25023
599         PR target/25293
600         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
601         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
602         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
603         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
604         Set mode to SI, adjust constraints.
605         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
606         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
607         32-bit code.
608
609 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
610
611         * c-cppbuiltin.c (builtin_define_float_constants): Add
612         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
613         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
614         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
615         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
616         to "((double)%sL)" otherwise "%s".
617
618 2005-12-13  Paul Brook  <paul@codesourcery.com>
619
620         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
621         apcs/atpcs.
622
623 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
624
625         * tree-flow.h: Allow compilation with a C++ compiler.
626         (struct edge_prediction): Prefix all field names  with "ep_".
627         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
628         (tree_predict_edge, combine_predictions_for_bb): Likewise.
629         (remove_predictions_associated_with_edge): Likewise.
630         
631 2005-12-12  Jeff Law  <law@redhat.com>
632
633         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
634         reassociation code.
635         * passes.c (init_optimization_passes): Run reassociation again
636         after loop optimizations.
637
638 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
639
640         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
641         if necessary.
642         (optimize_stmt): Ditto.
643         (canonicalize_comparison): New function.
644         * tree-ssa-operands.c (swap_tree_operands): Make external.
645         (get_expr_operands): Stop auto-canonicalization.
646         * tree-ssa-reassoc.c: Rewrite.
647         (init_optimization_passes): 
648         * tree-flow.h (swap_tree_operands): Prototype.
649         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
650
651 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
652
653         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
654         indicate function epilogue has been output.
655         (pa_asm_output_mi_thunk): Likewise.
656         (output_deferred_plabels): Put plabels in readonly data section when
657         not generating PIC code.
658         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
659         information.  Add assert.
660         (som_output_comdat_data_section_asm_op): New function.
661         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
662         instead of output_section_asm_op for COMDAT sections.
663
664 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
665
666         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
667         Fix whitespace in vincinity of to-be-installed changes.
668         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
669         (insns_match_p): Likewise.
670
671 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
672
673         * config.gcc (ms1): Replace with ...
674         (mt): ... this.
675         * config/ms1: Rename to ...
676         * config/mt: ... here.  Rename ms1 files to mt.
677         * config/mt/mt.c: Adjust gt-mt.h #include.
678         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
679         (crti.o, crtn.o): Adjust file names.
680
681 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
682
683         * varray.h: Allow compilation with a C++ compiler.
684         (union varray_data_tag): Prefix all field names with "vdt_".
685         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
686         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
687         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
688         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
689         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
690         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
691         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
692         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
693         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
694         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
695         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
696         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
697         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
698         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
699         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
700         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
701         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
702         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
703         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
704         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
705         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
706         VARRAY_TOP_TREE_PTR): Likewise.
707         * varray.c (varray_grow): Likewise.
708         (varray_clear): Likewise.
709
710 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
711
712         PR target/25299
713         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
714         alignment to doubleword if the first field is a double array.
715         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
716
717 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
718
719         * tree-ssa-structalias.c (process_constraint): Remove code to
720         transform addressofs into scalar.
721         (create_variable_info_for): In whole-program IPA, globals don't
722         point to ANYTHING by default.
723
724 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
725
726         * timevar.def (TV_IPA_PTA): New.
727         * tree-pass.h (pass_ipa_pta): New
728         * tree-ssa-structalias.c: Include cgraph.h
729         (in_ipa_mode): New.
730         (predbitmap_obstack): New.
731         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
732         (struct constraint_stats): Add num_edges.
733         (new_var_info): Don't call bitmap_clear.
734         (struct constraint_edge): Update docs.
735         (new_constraint_edge): Remove src param.
736         (struct constraint_graph): Add zero_weight_succs,
737         zero_weight_preds.  Update docs.
738         (constraint_expr_equal): Reformat.
739         (constraint_edge_equal): Update for removal of src.
740         (constraint_edge_less): Ditto.
741         (constraint_edge_vec_find): Ditto.
742         (erase_graph_self_edge): Update for removal of src and and zero
743         weight bitmap.
744         (clear_edges_for_node): Ditto.
745         (add_graph_edge): Ditto.
746         (get_graph_weights): Ditto.
747         (allocate_graph_weights): Ditto.
748         (merge_graph_nodes): Ditto.
749         (int_add_graph_edge): Ditto.
750         (valid_graph_edge): Ditto.
751         (valid_weighted_graph_edge): Ditto.
752         (build_constraint_graph): Ditto.
753         (scc_visit): Ditto.
754         (collapse_nodes): Ditto.
755         (process_unification_queue): Ditto.
756         (topo_visit): Ditto.
757         (solve_graph): Ditto.
758         (do_structure_copy): Ditto.
759         (perform_var_substitution): Ditto.
760         Init and release obstack.
761         (handle_ptr_arith): Try to resolve directly.
762         (find_func_aliases): Don't call update_alias_info here
763         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
764         (do_sd_constraint): Add code for propagating faster.
765         Update.
766         (do_ds_constraint): Ditto.
767         (count_num_arguments): New function.
768         (create_function_info_for): Ditto.
769         (create_variable_info_for): Handle FUNCTION_DECL.
770         (intra_create_variable_infos): Use make_constraint_to_anything.
771         (init_alias_vars): Init obstacks here.
772         (need_to_solve): Handle zero weight graph changes.
773         (compute_points_to_sets): Call update_alias_info here.
774         (delete_points_to_sets): Free zero weight preds/succs here.
775         (gate_ipa_pta): New.
776         (ipa_pta_execute): New
777
778 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
779
780         * tree-ssa-structalias.c (var_anyoffset): Removed.
781         (anyoffset_tree): Ditto.
782         (anyoffset_id): Ditto.
783         (do_deref): Take vector of constraints, no return value.
784         Update to work on vector.                
785         (get_constraint_for): Ditto.
786         (get_constraint_for_component_ref): Ditto.
787         (do_structure_copy): Ditto.
788         (handle_ptr_arith): Ditto.
789         (find_func_aliases): Ditto.
790         (set_uids_in_ptset): Remove anyoffset handling.
791         (init_base_vars): Ditto.
792
793 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
794
795         PR c++/25010
796         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
797         DECL_EXTERNAL functions have no bodies.  Tidy.
798
799 2005-12-10  Andreas Schwab  <schwab@suse.de>
800
801         * except.c (switch_to_exception_section): Only define if
802         TARGET_UNWIND_INFO is not defined.
803
804 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
805
806         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
807         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
808
809 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
810
811         * output.h (init_section, fini_section): Delete.
812         * varasm.c (init_section, fini_section): Delete.
813         (init_varasm_once): Don't initialize them.
814         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
815         there are no corresponding varasm.c variables.
816
817 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
818
819         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
820         of EH_FRAME_SECTION_NAME into...
821         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
822         if it is still null.
823         * except.c (default_exception_section): Delete, moving most
824         of the code to...
825         (switch_to_exception_section): ...this new function.  Set
826         exception_section if it is still null, then switch to it.
827         (output_function_exception_table): Use switch_to_exception_section.
828         * varasm.c (exception_section, eh_frame_section): Update comments.
829         (get_section): Hoist use of SECTION_NAMED.
830         (init_varasm_once): Don't set exception_section and eh_frame_section.
831         * output.h (default_exception_section): Delete.
832         (default_eh_frame_section): Delete.
833
834 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
835
836         * config/bfin/bfin.c: Include "cgraph.h".
837         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
838         Return the reg that holds the pointer to the GOT.
839         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
840         doing stack checking.
841
842 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
843
844         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
845         recompute_tree_invarant_for_addr_expr.
846         Update uses everywhere.
847
848 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
849
850         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
851         (MULTILIB_DIRNAMES): Define.
852
853 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
854
855         PR target/25311
856         * config/s390/s390.c (struct s390_address): New field literal_pool.
857         (s390_decompose_address): Compute literal_pool field.  Do not 
858         assume register %r13 is always (and solely) used as pool base.
859         (s390_extra_constraint_str): Use literal_pool field.
860
861 2005-12-09  Thiemo Seufer  <ths@networkno.de>
862
863         * config/mips/mips.c (override_options): Don't allow too small
864         integers in FP registers.
865
866 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
867
868         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
869         targetm.binds_local_p to check for local function calls.
870
871 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
872
873         PR debug/24908
874         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
875         call_used_regs can't be used to save reg in another reg.
876
877 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
878             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
879
880         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
881         abort.
882         * except.c (output_ttype): Likewise.
883         * tree-object-size.c (collect_object_sizes_for): Likewise.
884         (check_for_plus_in_loops_1): Likewise.
885         (check_for_plus_in_loops): Likewise.
886         (compute_object_sizes): Use gcc_unreachable instead of abort.
887
888 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
889
890         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
891         (loop_end, loop_init, doloop_end): New insns.
892         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
893         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
894         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
895         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
896         * config/ms1/ms1.c: #include basic-block.h
897         (struct machine_function): Add has_loops field.
898         (ms1_add_loop): New.
899         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
900         (struct loop_info, struct loop_work): New.
901         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
902         (ms1_reorg_loops): New loop optimization.
903         (ms1_machine_reorg): Call it.
904         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
905
906 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
907
908         PR tree-optimization/25248
909         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
910         evolution_of_loop from the failed attempt.  Remove handling
911         of MULT_EXPR.
912
913 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
914
915         * tree.h (DECL_EXTERNAL): Clarify documentation.
916
917 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
918             Jakub Jelinek  <jakub@redhat.com>
919
920         PR target/25268
921         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
922         argument.  Don't drop outer ANDs.
923         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
924         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
925         prototype.
926         * config/s390/predicates.md (setmem_operand): Remove.
927         (shift_count_operand): Rename to...
928         (shift_count_or_setmem_operand): ... this.  Adjust
929         s390_decompose_shift_count caller.
930         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
931         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
932         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
933         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
934         rotl<mode>3_and, setmem_long_and): New insns.
935         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
936         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
937         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
938         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
939         of shift_count_operand.
940         (setmem_long): Use shift_count_or_setmem_operand instead of
941         setmem_operand.
942
943 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
944             Andreas Tobler  <a.tobler@schweiz.ch>
945
946         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
947         tr expression.
948
949 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
950
951         * expr.c (force_operand): Use convert_to_mode for conversions.
952
953 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
954
955         * reload.h (reg_equiv_invariant): Declare.
956         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
957         register also when reg_equiv_invariant[R] is set.
958
959 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
960             Andreas Tobler  <a.tobler@schweiz.ch>
961
962         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
963
964 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
965
966         * tree-ssa-pre.c (bitmap_set_and): New function.
967         (bitmap_set_and_compl): New function.
968         (bitmap_set_empty_p): New function.
969         (insert_extra_phis): New function.
970         (compute_avail): Use insert_extra_phis.
971
972 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
973
974         * config/s390/s390.c (s390_expand_atomic): New function.
975         Adjust comment of helper functions.
976         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
977         * config/s390/s390.md ("ATOMIC"): New code macro.
978         ("atomic"): Corresponding new code attribute.
979         ("sync_lock_test_and_set[hq]i", 
980         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
981
982 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
983
984         * config/s390/s390.c (s390_expand_mask_and_shift, 
985         struct alignment_context, init_alignment_context, 
986         s390_expand_cs_hqi): New.
987         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
988         * config/s390/s390.md ("sync_compare_and_swaphi",
989         "sync_compare_and_swapqi"): New pattern.
990
991 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
992
993         Fix PR tree-optimization/25291
994         * tree-ssa-operands.c (add_call_clobber_ops): Remove
995         redundant and crashing check.
996
997 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
998
999         PR target/25212
1000         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1001         tests further when !strict && reload_in_progress.
1002         (print_operand): Check that both operands of indexed address are regs.
1003         (print_operand_address): Likewise.
1004         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1005         (INT_REG_OK_FOR_BASE_P): Correct.
1006
1007 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1008
1009         Preparation for PR rtl-optimization/20070 / part1
1010         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1011         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1012         outgoing_edges_match.
1013         (outgoing_edges_match): Use condjump_equiv_p.
1014         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1015         into..
1016         * struct-equiv.c: New file.
1017         (death_notes_match_p) New function, broken out of insns_match_p.
1018         * Makefile.in (OBJS-common): Add struct-equiv.o.
1019         (struct-equiv.o): New target.
1020
1021 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1022
1023         * coretypes.h: Revert previous change.
1024         * config/darwin.h: Revert previous reversion.
1025         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1026
1027 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1028
1029         * coretypes.h (section): Provide dummy definition for target files.
1030         * config/darwin.h: Revert previous change.
1031
1032 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1033
1034         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1035         * configure.ac: Remove all.build and install-normal from target_list
1036         * configure: Regenerate.
1037         * Makefile.in (install): Don't depend on install-normal.
1038
1039 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1040
1041         * Makefile.in: Document the use of stamps.
1042
1043 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1044
1045         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1046         * Makefile.in: Add code to compute some dependencies on s-gtype
1047         automatically.  Remove the declaration of those dependencies.
1048
1049 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1050
1051         * gcc/reload.c (push_secondary_reload): Fix typo:
1052         s/insn_constraint/scratch_constraint/.
1053
1054 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1055
1056         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1057
1058 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1059
1060         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1061         (alpha_elf_select_rtx_section): Return the selected section rather
1062         than emitting assembly code.
1063         (alpha_write_linkage): Emit a ".link" directive directly and then
1064         set in_section to NULL.
1065         (vms_asm_out_constructor): Use switch_to_section.
1066         (vms_asm_out_destructor): Likewise.
1067         (unicosmk_output_common): Set in_section to NULL instead of calling
1068         the dummy common_section function.
1069         (unicosmk_text_section): Delete in favor of...
1070         (unicosmk_output_text_section_asm_op): ...this new function.
1071         (unicosmk_data_section): Delete in favor of...
1072         (unicosmk_output_data_section_asm_op): ...this new function.
1073         (unicosmk_init_sections): New function.
1074         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1075         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1076         the dummy ssib_section function.
1077         (unicosmk_section_buf): Delete.
1078         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1079         (unicosmk_data_section): Delete.
1080         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1081         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1082         (SECTION_FUNCTION_TEMPLATE): Delete.
1083         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1084         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1085         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1086         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1087         (TARGET_ASM_INIT_SECTIONS): Define.
1088         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1089         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1090         (link_section, literals_section): Delete.
1091         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1092         set in_section to NULL.
1093
1094         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1095         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1096         (COMMON_SECTION): Delete.
1097         (TARGET_ASM_INIT_SECTIONS): Define.
1098         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1099         the dummy common_section function.
1100         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1101         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1102         between readonly_data_section and text_section to check whether
1103         read-only data is being put in the text section.
1104         (arm_output_function_epilogue): Use switch_to_section.
1105         (arm_elf_asm_constructor): Likewise.
1106         (thumb_call_via_reg): Replace call to in_text_section with
1107         a comparison between in_section and text_section.
1108         (arm_file_end): Use switch_to_section.
1109         (aof_text_section): Delete in favor of...
1110         (aof_output_text_section_asm_op): ...this new function.
1111         (aof_data_section): Delete in favor of...
1112         (aof_output_data_section_asm_op): ...this new function.
1113         (aof_asm_init_sections): New function.
1114         (zero_init_section): Moved from config/arm/aof.h.
1115         (aof_dump_imports, aof_file_start): Use switch_to_section.
1116         * config/arm/arm.h (thumb_call_via_label): Update comment.
1117         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1118         (common_section): Delete.
1119         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1120         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1121         global switch_to_section function instead of the old port-local one.
1122         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1123         (SWITCH_TO_SECTION_FUNCTION): Delete.
1124         (drectve_section): Redefine as a macro.
1125         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1126         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1127         switch_to_section.
1128
1129         * config/avr/avr.c (progmem_section): New variable.
1130         (avr_output_progmem_section_asm_op): New function.
1131         (avr_asm_init_sections): New function.
1132         (avr_output_addr_vec_elt): Use switch_to_section.
1133         * config/avr/avr.h (progmem_section): Declare.
1134         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1135         (READONLY_DATA_SECTION): Delete.
1136         (TARGET_ASM_INIT_SECTIONS): Define.
1137         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1138         * config/avr/avr-protos.h (progmem_section): Delete.
1139
1140         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1141
1142         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1143         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1144
1145         * config/darwin-sections.def: New file.
1146         * config/darwin.c: Define all sections in darwin-sections.def.
1147         (output_objc_section_asm_op, darwin_init_sections): New functions.
1148         (machopic_output_indirection): Use switch_to_section.
1149         (machopic_select_section): Return the selected section rather than
1150         emitting assembly code.  Replace the static function table with
1151         inline conditional expressions.  Update the tests of last_text_section
1152         and move them into the FUNCTION_DECL block.
1153         (machopic_select_rtx_section): Return the selected section rather than
1154         emitting assembly code.
1155         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1156         (darwin_file_end): Use switch_to_section.
1157         * config/darwin.h: Use darwin-sections.def to declare sections.
1158         (INIT_SECTION_ASM_OP): Remove empty definition.
1159         (HAS_INIT_SECTION): Define this instead.
1160         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1161         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1162         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1163         (TARGET_ASM_INIT_SECTIONS): Define.
1164         * config/darwin-protos.h (darwin_init_sections): Declare.
1165         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1166         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1167         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1168         (constructor_section, destructor_section, mod_init_section): Delete.
1169         (mod_term_section): Delete.
1170         (darwin_exception_section, darwin_eh_frame_section): Delete.
1171         (machopic_select_section): Return a section.
1172         (machopic_select_rtx_section): Likewise.
1173         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1174         (const_section, const_coal_section, const_data_section): Delete.
1175         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1176         (literal4_section, literal8_section, constructor_section): Delete.
1177         (mod_init_section, mod_term_section, destructor_section): Delete.
1178         (objc_class_section, objc_meta_class_section, objc_category_section)
1179         (objc_class_vars_section, objc_instance_vars_section): Delete.
1180         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1181         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1182         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1183         (objc_symbols_section, objc_module_info_section): Delete.
1184         (objc_image_info_section, objc_protocol_section): Delete.
1185         (objc_string_object_section, objc_constant_string_object_section)
1186         (objc_class_names_section, objc_meth_var_names_section): Delete.
1187         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1188         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1189         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1190         (darwin_exception_section, darwin_eh_frame_section): Delete.
1191         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1192
1193         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1194         (frv_asm_out_destructor): Likewise.
1195         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1196         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1197         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1198         get_named_section.
1199         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1200         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1201         (data_section): Delete.
1202
1203         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1204         (DRECTVE_SECTION_FUNCTION): Delete.
1205         (drectve_section): Redefine as a macro that sets in_section after
1206         emitting the directive.
1207         (SWITCH_TO_SECTION_FUNCTION): Delete.
1208         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1209         in_text_section with comparison between in_section and text_section.
1210         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1211         rather than emitting assembly code.  Use get_named_section.
1212         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1213         get_named_section.
1214         (machopic_output_stub): Use switch_to_section.
1215         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1216         (nwld_named_section_asm_out_destructor): Use get_section and
1217         switch_to_section.
1218
1219         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1220         rather than emitting assembly code.
1221         (ia64_rwreloc_select_section): Likewise.
1222         (ia64_rwreloc_select_rtx_section): Likewise.
1223         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1224         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1225         switch_to_section.
1226         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1227         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1228
1229         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1230         section rather than emitting assembly code.
1231         (iq2000_select_section): Likewise.
1232         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1233         (sbss_section): Delete.
1234
1235         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1236         and get_named_section.
1237         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1238
1239         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1240         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1241         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1242         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1243         in_section to NULL.
1244         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1245         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1246         global switch_to_section function instead of the old port-local one.
1247         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1248         (SWITCH_SECTION_FUNCTION): Delete.
1249         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1250         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1251         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1252         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1253         in_section to NULL.
1254         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1255         global switch_to_section function instead of the old port-local one.
1256         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1257
1258         * config/mips/mips.c (mips_file_start): Update comment.
1259         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1260         (mips_output_aligned_decl_common): Use switch_to_section.
1261         (mips_select_rtx_section): Return the section rather than emitting
1262         assembly code.  Use get_named_section.
1263         (mips_function_rodata_section: Likewise get_section.
1264         (build_mips16_function_stub): Use switch_to_section.
1265         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1266         (SDATA_SECTION_ASM_OP): Delete.
1267         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1268         (EXTRA_SECTION_FUNCTIONS): Delete.
1269
1270         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1271         (mmix_asm_output_aligned_local): Use switch_to_section.
1272
1273         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1274         (som_one_only_readonly_data_section): New variables.
1275         (pa_output_function_epilogue): Set in_section to NULL instead of
1276         calling forget_section.
1277         (output_deferred_plabels): Use select_section.
1278         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1279         of calling forget_section.
1280         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1281         (pa_asm_output_aligned_local): Use select_section.
1282         (som_text_section_asm_op): Delete in favor of...
1283         (som_output_text_section_asm_op): ...this new function.
1284         (pa_som_asm_init_sections): New function.
1285         (pa_select_section): Return the section rather than emitting
1286         assembly code.
1287         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1288         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1289         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1290         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1291         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1292         (som_readonly_data_section, som_one_only_readonly_data_section)
1293         (som_one_only_data_section, forget_section): Delete.
1294         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1295         (TARGET_ASM_INIT_SECTIONS): Define.
1296         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1297
1298         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1299         (private_data_section, read_only_private_data_section): New variables.
1300         (sdata2_section, toc_section): New variables.
1301         (rs6000_file_start): Use switch_to_section.
1302         (rs6000_assemble_integer): Use comparisons against in_section
1303         instead of calling in_toc_section and in_text_section.  Use
1304         unlikely_text_section_p.
1305         (rs6000_elf_output_toc_section_asm_op): New function, derived
1306         from the old rs6000/sysv4.h toc_section function.
1307         (rs6000_elf_asm_init_sections): New function.
1308         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1309         the section rather than emitting assembly code.
1310         (machopic_output_stub): Use switch_to_section.
1311         (toc_section): Delete dummy function.
1312         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1313         switch_to_section and get_section.
1314         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1315         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1316         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1317         the old rs6000/xcoff.h toc_section function.
1318         (rs6000_xcoff_asm_init_sections): New function.
1319         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1320         the section rather than emitting assembly code.
1321         (rs6000_xcoff_file_start): Use switch_to_section.
1322         (rs6000_xcoff_file_end): Likewise.
1323         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1324         (sdata2_section, sbss_section, private_data_section): Delete.
1325         (read_only_data_section, read_only_private_data_section): Delete.
1326         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1327         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1328         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1329         (FINI_SECTION_FUNCTION): Delete.
1330         (TARGET_ASM_INIT_SECTIONS): Define.
1331         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1332         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1333         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1334         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1335         (READONLY_DATA_SECTION): Delete.
1336         (TARGET_ASM_INIT_SECTIONS): Define.
1337         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1338         to NULL rather than no_section.
1339         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1340
1341         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1342
1343         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1344         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1345         from call to current_function_section.
1346
1347         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1348         (bss100_section): New variable.
1349         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1350         (xstormy16_asm_init_sections): New function.
1351         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1352         switch_to_section and get_section.
1353         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1354         from calls to current_function_section.
1355         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1356         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1357         (TARGET_ASM_INIT_SECTIONS): Define.
1358         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1359
1360         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1361         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1362         (FINI_SECTION_FUNCTION): Delete.
1363
1364         * config/v850/v850.c: Include gt-v850.h.
1365         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1366         (zbss_section): New variables.
1367         (v850_output_aligned_bss): Use switch_to_section.
1368         (v850_asm_init_sections): New function.
1369         (v850_select_section): Return the section rather than emitting
1370         assembly code.
1371         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1372         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1373         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1374         (TARGET_ASM_INIT_SECTIONS): Define.
1375         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1376         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1377         (zbss_section): Delete.
1378
1379         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1380
1381         * config/vx-common.h (vxworks_exception_section): Delete.
1382         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1383
1384         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1385         section rather than emitting assembly code.
1386         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1387         switch_to_section.
1388
1389         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1390         * coretypes.h (section): New union and typedef.
1391         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1392         from call to current_function_section.
1393         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1394         (dbxout_symbol_location): Use switch_to_section.
1395         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1396         most of the code into...
1397         (default_eh_frame_section): ...here.  Return a section.
1398         (collect2_eh_frame_section): Delete, moving most of the code into..
1399         (switch_to_eh_frame_section): ...this new function.
1400         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1401         (debug_macinfo_section, debug_line_section, debug_loc_section)
1402         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1403         variables.
1404         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1405         eh_frame_section.  Use switch_to_section and get_section.
1406         (dwarf2out_begin_prologue): Use switch_to_section.
1407         (AT_string_form): Check the flags in debug_str_section instead of
1408         DEBUG_STR_SECTION_FLAGS.
1409         (output_comp_unit): Use switch_to_section, get_section, and
1410         debug_info_section.
1411         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1412         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1413         from call to current_function_section.
1414         (dwarf2out_var_location): Use unlikely_text_section_p.
1415         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1416         from call to current_function_section.
1417         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1418         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1419         debug_macinfo_section.
1420         (dwarf2out_init): Initialize the new section variables.  Use them
1421         instead of calls to named_section_flags.  Use switch_to_section.
1422         (output_indirect_string): Use switch_to_section and debug_str_section.
1423         (dwarf2out_finish): Use switch_to_section and the new section
1424         variables.
1425         * except.c (default_exception_section): Return the section instead
1426         of emitting assembly code.
1427         (output_function_exception_table): Use the global exception_section
1428         variable instead of the target hook.  Use switch_to_section.  Remove
1429         argument from call to current_function_section.
1430         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1431         (shorten_branches): Use pointer comparisons to detect whether the
1432         text section is the same as readonly_data_section.
1433         (profile_function): Use switch_to_section.  Remove argument from
1434         call to current_function_section.
1435         (final_scan_insn): Likewise.  Update use of last_text_section.
1436         * gengtype.c (open_base_files): Add an include of output.h.
1437         * output.h (text_section, data_section, readonly_data_section)
1438         (ctors_section, dtors_section, bss_section, init_section)
1439         (fini_section, sdata_section): Turn into section pointers.
1440         (in_text_section, in_unlikely_text_section, exports_section)
1441         (drectve_section, named_section, mergeable_string_section)
1442         (last_text_section_name): Delete.
1443         (default_exception_section, default_eh_frame_section): Return sections.
1444         (SECTION_DECLARED, SECTION_NAMED): New macros.
1445         (SECTION_MACH_DEP): Bump value.
1446         (section_common, named_section, unnamed_section): New structures.
1447         (unnamed_section_callback): New typedef.
1448         (section): New union.
1449         (sbss_section, exception_section, eh_frame_section): New variables.
1450         (in_section, last_text_section): Turn into section pointers.
1451         (get_unnamed_section, get_section, get_named_section): New functions.
1452         (mergeable_constant_section, function_section): Return a section.
1453         (unlikely_text_section): Likewise.
1454         (current_function_section): Likewise.  Remove the decl argument.
1455         (unlikely_text_section_p, switch_to_section): New functions.
1456         (output_section_asm_op): New function.
1457         (set_named_section_flags, named_section_flags, named_section_real)
1458         (named_section_first_declaration): Delete.
1459         (default_select_section, default_elf_select_section): Return a section.
1460         (default_elf_select_section_1, default_function_rodata_section)
1461         (default_no_function_rodata_section, default_select_rtx_section)
1462         (default_elf_select_rtx_section): Likewise.
1463         * rtl.h (in_data_section): Delete.
1464         * sdbout.c (sdbout_one_type): Use switch_to_section.
1465         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1466         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1467         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1468         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1469         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1470         (TARGET_ASM_OUT): Update after above changes.
1471         * target.h (init_sections): New hook.
1472         (exception_section, eh_frame_section): Delete.
1473         (select_section, select_rtx_section, function_rodata_section): Return
1474         a section rather than emitting assembly code.
1475         * varasm.c (text_section, data_section, readonly_data_section)
1476         (ctors_section, dtors_section, bss_section, init_section)
1477         (fini_section): Turn into section pointers.
1478         (sdata_section, sbss_section, exception_section): New variables.
1479         (eh_frame_section): New variable.
1480         (in_section): Make global and turn into a section pointer.
1481         (last_text_section): Turn into a section pointer.
1482         (unnamed_sections): New variable.
1483         (in_named_name, last_text_section_name): Delete.
1484         (EXTRA_SECTION_FUNCTIONS): Delete.
1485         (in_named_entry): Delete.
1486         (section_htab): New variable, replacing...
1487         (in_named_htab): ...this deleted variable.
1488         (section_entry_eq, section_entry_hash): New functions, based on...
1489         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1490         (get_unnamed_section, get_section): New functions.
1491         (unlikely_text_section): Return a section instead of emitting
1492         assembly code.
1493         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1494         (get_named_section_flags, named_section_first_declaration): Delete.
1495         (unlikely_text_section_p): New function.
1496         (named_section_real, named_section): Delete.
1497         (get_named_section): New function.
1498         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1499         (function_section): Return a section rather than emitting
1500         assembly code.
1501         (current_function_section): Likewise.  Remove argument.  Use
1502         last_text_section if nonnull, otherwise use function_section.
1503         (default_function_rodata_section): Return a section rather than
1504         emitting assembly code.  Use get_section.
1505         (default_no_function_rodata_section): Return a section rather than
1506         emitting assembly code.
1507         (variable_section): Use switch_to_section and get_named_section.
1508         (mergeable_string_section): Return a section rather than emitting
1509         assembly code.  Use get_section.  Make static.  Don't take special
1510         countermeasures for empty strings.
1511         (mergeable_constant_section): Return a section rather than emitting
1512         assembly code.  Use get_section.
1513         (default_named_section_asm_out_destructor): Use switch_to_section
1514         and get_section.
1515         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1516         (default_named_section_asm_out_constructor): Use switch_to_section
1517         and get_section.
1518         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1519         (assemble_start_function): Likewise.  Set last_text_section to
1520         NULL rather than no_section.  Change the type of save_section.
1521         (assemble_zeros, assemble_variable): Use the section flags to detect
1522         whether or not a section is text.
1523         (assemble_static_space): Use switch_to_section.
1524         (assemble_trampoline_template): Likewise.
1525         (output_constant_def_contents): Use switch_to_section and
1526         get_named_section.
1527         (output_constant_pool_1): Use switch_to_section.  Use the section
1528         flags to see whether sections contain mergeable data.
1529         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1530         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1531         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1532         whether a section has already been declared.
1533         (default_select_section, default_elf_select_section): Return a
1534         section rather than emitting assembly code.
1535         (default_elf_select_section_1): Likewise.  Use bss_section for
1536         SECCAT_BSS if nonnull.  Use get_named_section.
1537         (default_select_rtx_section): Return a section rather than
1538         emitting assembly code.
1539         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1540         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1541         (output_section_asm_op, switch_to_section): New functions.
1542         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1543         get_named_section.
1544
1545         * doc/tm.texi: Expand the introduction to the sections documentation.
1546         (TRAMPOLINE_SECTION): Document new interface.
1547         (SDATA_SECTION_ASM_OP): Document new macro.
1548         (READONLY_DATA_SECTION): Delete.
1549         (SDATA_SECTION_ASM_OP): Document new macro.
1550         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1551         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1552         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1553         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1554         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1555
1556 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1557
1558         * gcc.c (init_gcc_specs): Match braces inside conditionally
1559         compiled strings.
1560
1561 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1562
1563         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1564
1565 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1566
1567         PR C++/24138
1568         * tree.c (integer_all_onesp): Always return true if all bits on.
1569
1570         * testsuite/g++.dg/init/array0.C: New.
1571
1572 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1573
1574         * doc/md.texi: Adapt to implementation.
1575
1576 2005-12-06  Andreas Schwab  <schwab@suse.de>
1577
1578         * opts.c (decode_options): Fix typo in message.
1579
1580 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1581
1582         PR other/13873
1583         * longlong.h: Merge PPC tests from upstream.
1584
1585 2005-12-06  Richard Guenther  <rguenther@suse.de>
1586
1587         * fold-const.c (fold_convert): Do not build and fold
1588         CONVERT_EXPR, but always use NOP_EXPR.
1589
1590 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1591
1592         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1593         __builtin_ia32_paddq and __builtin_ia32_subq.
1594         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1595         __builtin_ia32_pshufw.
1596         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1597
1598 2005-12-05  James E Wilson  <wilson@specifix.com>
1599
1600         PR target/24934
1601         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1602         is set.
1603
1604 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1605         
1606         * print-tree.c (print_node): Ditto.
1607         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1608         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1609         before accessing DECL_ARTIFICIAL. 
1610         Handle new tag tree codes.
1611         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1612         changes.
1613         (unmodifiable_var_p): Ditto.
1614         * tree-flow.h (mem_tag_kind): Remove.
1615         (struct var_ann_d): Remove mem_tag_kind member.
1616         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1617         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1618         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1619         (group_aliases): Ditto.
1620         (setup_pointers_and_addressables): Ditto.
1621         (is_escape_site): Ditto.                                          
1622         (may_alias_p): Ditto.
1623         (create_tag_raw): New function.
1624         (create_memory_tag): Use it.
1625         (dump_alias_info): Update for tags.
1626         (may_be_aliased): Ditto.
1627         (add_type_alias): Ditto.
1628         (new_type_alias): Ditto.
1629         (create_sft): Ditto.
1630         (create_structure_vars): Ditto.
1631         * tree-ssa-ccp.c (get_default_value): Ditto.
1632         * tree-ssa-operands.c (get_expr_operands): Ditto.
1633         (add_stmt_operand): Ditto.
1634         (add_call_clobber_ops): Remove duplicated condition.
1635         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1636         tags.
1637         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1638         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1639         * tree.c (init_ttree): Update structures for new tree codes.
1640         (tree_code_size): Update sizes for new tree codes.
1641         (make_node_stat): Don't try to set common things on minimal
1642         structures.
1643         (tree_node_structure): Update for tags.
1644         (is_global_var): Ditto.
1645         * tree.def: Add new tree codes.
1646         * tree.h (MTAG_P): New macro.
1647         (TREE_MEMORY_TAG_CHECK): Ditto.
1648         (SSA_VAR_P): Update for tags.
1649         (struct tree_memory_tag): New structure.
1650         (MTAG_GLOBAL): New macro.
1651         (union tree_node): Add memory tag member.
1652         * treestruct.def (TS_MEMORY_TAG): New.
1653         
1654 2005-12-05  Dale Johannesen  <dalej@apple.com>
1655
1656         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1657         what was approved (PR 24323).
1658
1659 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1660
1661         * doc/c-tree.texi (Function Bodies): Remove description of
1662         RETURN_INIT.
1663
1664 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1665
1666         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1667         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1668         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1669         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1670         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1671         __divxc3): Document.
1672
1673 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1674
1675         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1676         previous behaviour.
1677         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1678         hook_bool_void_false.
1679         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1680         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1681
1682         * config/darwin.c (machopic_select_section): It's not defined
1683         as weak if it's only marked as weak_import.
1684         
1685         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1686         Prototype.
1687
1688         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1689         A hidden weak object does bind locally.  Strong linkonce data
1690         counts like any other strong symbol for binding.
1691         (weak_finish_1): Don't specially handle weakrefs, they no longer
1692         arrive here.
1693         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1694         * c-common.c (handle_alias_attribute): Allow static aliases
1695         of variables.
1696         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1697         * gthr-dce.h: Make weakrefs static.
1698         * gthr-tpf.h: Likewise.
1699         * gthr-solaris.h: Likewise.
1700         * gthr-posix.h: Likewise.
1701         * gthr-posix95.h: Likewise.
1702         * config/darwin.c (darwin_encode_section_info): static weakref
1703         variables are not necessarily defined in this translation unit.
1704         * doc/extend.texi (Function Attributes): Mention that an alias
1705         attribute creates a definition for the thing it's attached to.
1706         Change the documentation for weakref to say that the thing
1707         it's attached to must be static.
1708
1709         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1710         we don't go into an infinite loop.
1711
1712 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1713
1714         * config/rs6000/predicates.md (logical_const_operand): Split
1715         out of logical_operand.
1716         (logical_operand): Use it.
1717         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1718         logical_const_operand.
1719
1720 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1721
1722         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1723         and IX86_BUILTIN_CMPNESS.
1724         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1725         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1726         * config/i386/i386.md (movti_internal): Correct type attribute.
1727         Simplify mode attribute.
1728         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1729         Correct type attribute.
1730         (absxf2): Correct operator.
1731         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1732         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1733         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1734         mode attribute.
1735         (sse2_vmsqrtv2df2): Correct mode attribute.
1736
1737 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1738
1739         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1740         16 bits. Provide insn pattern for this case.
1741
1742 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1743
1744         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1745         result.
1746         (__popcountDI2): Likewise.
1747
1748 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1749
1750         PR target/25166
1751         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1752         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1753         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1754         functions.
1755
1756 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1757
1758         * c-typeck.c (null_pointer_constant_p): New function.
1759         (build_conditional_expr, build_c_cast, convert_for_assignment,
1760         build_binary_op): Use it.
1761
1762 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1763
1764         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1765         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1766         CONVERT_EXPR.
1767         (check_function_arguments_recurse): Allow both NOP_EXPR and
1768         CONVERT_EXPR but check conversions preserve precision.
1769         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1770         but check conversions preserve precision.
1771         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1772         default case.
1773
1774 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1775
1776         PR c/7776
1777         * common.opt (Wstring-literal-comparison): New command line option.
1778         * c-opts.c (c_common_handle_option): Set it with -Wall.
1779         * c-typeck.c (parser_build_binary_op): Issue warning if either
1780         operand of a comparison operator is a string literal, except for
1781         testing equality or inequality against NULL.
1782
1783         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1784
1785 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1786
1787         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1788         of building a NOP_EXPR.
1789         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1790         NOP_EXPR.
1791         * c-convert.c (convert): Use fold_convert instead of building
1792         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1793         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1794         #if 0 code.
1795         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1796         NOP_EXPR the same as CONVERT_EXPR.
1797         * c-typeck.c (build_function_call): Use fold_convert instead of
1798         building a NOP_EXPR directly.
1799         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1800
1801 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1802
1803         PR rtl-optimization/25197
1804         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1805         have a reg.
1806
1807 2005-12-02  Stuart Hastings  <stuart@apple.com>
1808
1809         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1810         warning.
1811
1812 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1813
1814         * c-typeck.c (default_function_array_conversion,
1815         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1816         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1817         orig_op2.  Don't check them for NOP_EXPR.
1818         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1819         around integer zero.
1820
1821 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1822
1823         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1824         toc_save_offset, toc_size, lr_size.
1825         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1826         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1827         Adjust for removal of unused rs6000_stack_t fields.
1828         (debug_stack_info): Adjust.
1829         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1830         first, and don't bother checking for set/inc of lr on sibcalls.
1831         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1832
1833 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1834
1835         PR target/25199
1836         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1837         5 if operand 1 is not aligned.  Undo previous constraint change.
1838         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1839
1840 2005-12-02  Richard Guenther  <rguenther@suse.de>
1841
1842         * tree.h (build): Remove prototype.
1843         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1844         * tree.c (build): Remove.
1845         (build0_stat): Update comment.
1846
1847 2005-12-02  Richard Guenther  <rguenther@suse.de>
1848
1849         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1850         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1851         Likewise.
1852         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1853         maybe_fold_offset_to_component_ref): Likewise.
1854         * tree-ssa-dom.c (thread_across_edge,
1855         simplify_rhs_and_lookup_avail_expr,
1856         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1857         Likewise.
1858         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1859         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1860         lower_try_finally_switch): Likewise.
1861         * tree-if-conv.c (add_to_dst_predicate_list,
1862         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1863         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1864         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1865         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1866         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1867         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1868         gimplify_init_ctor_eval, gimplify_init_constructor,
1869         gimplify_variable_sized_compare, gimplify_boolean_expr,
1870         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1871         gimplify_expr, gimplify_body, gimplify_function_tree,
1872         force_gimple_operand): Likewise.
1873         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1874         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1875         mx_register_decls): Likewise.
1876         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1877         get_frame_field, finalize_nesting_tree_1): Likewise.
1878         * tree-inline.c (setup_one_parameter): Likewise.
1879         * tree-vect-transform.c (vectorizable_condition): Likewise.
1880         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1881         Likewise.
1882         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1883         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1884         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1885         * tree-chrec.h (build_polynomial_chrec): Likewise.
1886
1887 2005-12-02  Richard Guenther  <rguenther@suse.de>
1888
1889         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1890         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1891         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1892         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1893         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1894         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1895         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1896         Likewise.
1897         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1898         sh_adjust_unroll_max): Likewise.
1899         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1900         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1901         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1902         Likewise.
1903         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1904         Likewise.
1905         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1906         Likewise.
1907
1908 2005-12-02  Richard Guenther  <rguenther@suse.de>
1909
1910         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1911         simplify_cond_using_ranges): Use buildN instead of build.
1912         * tree-tailcall.c (adjust_accumulator_values,
1913         adjust_return_value): Likewise.
1914         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1915         generate_element_copy, generate_element_zero,
1916         generate_one_element_init): Likewise.
1917         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1918         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1919         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1920         perfect_nestify): Likewise.
1921
1922 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1923
1924         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1925
1926 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1927
1928         * ggc.h (GGC_RESIZEVEC): New.
1929
1930 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1931
1932         * gcc.c (execute): Improve readability.
1933
1934 2005-12-02  Richard Guenther  <rguenther@suse.de>
1935
1936         * tree-cfg.c (mark_used_vars): New function.
1937         (dump_function_to_file): Dump only used VAR_DECLs.
1938
1939 2005-12-02  Richard Guenther  <rguenther@suse.de>
1940
1941         * convert.c (convert_to_integer): Fix compare for nonpositive
1942         constant to use tree_int_cst_sgn <= 0.
1943
1944 2005-12-02  Richard Guenther  <rguenther@suse.de>
1945
1946         * convert.c (convert_to_integer): Use fold_convert instead
1947         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1948         instead of comparing against 0.  Use build_int_cst instead
1949         of converting integer_zero_node.
1950
1951 2005-12-02  Richard Guenther  <rguenther@suse.de>
1952
1953         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1954         and RROTATE_EXPR.
1955  
1956 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1957
1958         PR target/21017
1959         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1960         rotates.
1961
1962 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1963
1964         PR middle-end/25176
1965         * function.c (expand_function_end): Emit blockage for unwinder
1966         after return label.
1967
1968 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1969
1970         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1971         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1972         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1973         integer constant comparisons.
1974
1975 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1976             Janis Johnson  <janis187@us.ibm.com>
1977             David Edelsohn  <dje@watson.ibm.com>
1978             Ben Elliston  <bje@au.ibm.com>
1979
1980         * dfp.h, dfp.c: New files.
1981         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1982         (DECNUM_H): Likewise.
1983         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1984         (INCLUDES): Append $(DECNUMINC).
1985         (OBJS-common): Add dfp.o.
1986         (dfp.o): New rule.
1987         * real.h (EXP_BITS): Pinch one bit to ..
1988         (struct real_value): Add decimal field.
1989         (real_format): Change table size, update documentation.
1990         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1991         (real_from_string3): Declare.
1992         (decimal_single_format): Declare.
1993         (decimal_double_format): Declare.
1994         (decimal_quad_format): Declare.
1995         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1996         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1997         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1998         * real.c: Include dfp.h.
1999         (normalize): Early return for decimal floats.
2000         (do_add): Zero decimal field.
2001         (do_compare): Call do_decimal_compare for decimal floats.
2002         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2003         (real_arithmetic): Call decimal_real_arithmetic for decimal
2004         floating point operands.
2005         (real_identical): If a and b are of differing radix, return false.
2006         (real_to_integer): Call decimal_real_to_integer if the value is a
2007         decimal float.
2008         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2009         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2010         (real_to_hexadecimal): Place "N/A" in the return string for
2011         decimal float.
2012         (real_from_string3): New variant, given a mode.
2013         (real_maxval): Use decimal_real_maxval for decimal floats.
2014         (round_for_format): Use decimal_round_for_format for decimals.
2015         (real_convert): Use decimal_real_convert where appropriate.
2016         (significand_size): Handle base 10.
2017         (encode_decimal_single, decode_decimal_single,
2018         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2019         decode_decimal_quad): New functions.
2020         (decimal_single_format): New.
2021         (decimal_double_format): New.
2022         (decimal_quad_format): New.
2023         * machmode.def: Add SD, DD and TD decimal floating point modes.
2024         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2025         Include MODE_DECIMAL_FLOAT.
2026         (DECIMAL_FLOAT_MODE_P): New.
2027         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2028         * genmodes.c (struct mode_data): Add counter field.
2029         (struct mode_data): Update comment for format.
2030         (blank_mode): Initialise counter field.
2031         (new_mode): Increment counter field for each mode defined.
2032         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2033         using a format.
2034         (make_complex_modes): Handle modes containing `D'.
2035         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2036         (make_decimal_float_mode): New.
2037         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2038         (cmp_modes): Compare counter field if other characteristics
2039         similar.
2040         (emit_real_format_for_mode): Support formats for decimal floats.
2041         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2042         Document MODE_DECIMAL_FLOAT.
2043
2044 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2045
2046         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2047         Delete dead code.
2048
2049 2005-12-01  Richard Henderson  <rth@redhat.com>
2050
2051         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2052
2053 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2054
2055         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2056
2057         * config/pa/pa.c (pa_init_builtins): If we detect
2058         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2059         putc_unlocked.
2060
2061 2005-12-01  Richard Guenther  <rguenther@suse.de>
2062
2063         * fold-const.c (fold_binary): Use fold_build2, not
2064         fold (build (...)).
2065
2066 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2067
2068         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2069
2070         * vec.h (VEC_block_remove): New.
2071
2072 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2073
2074         PR c/13384
2075         * c-common.c (lvalue_error): Fix wording.
2076
2077 2005-12-01  Richard Guenther  <rguenther@suse.de>
2078
2079         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2080         thinko in last patch.
2081
2082 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2083
2084         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2085         than -flat_namespace.
2086
2087 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2088
2089         * mklibgcc.in: Parameterise the script to build soft float
2090         functions by iterating over each type, rather than cloning the
2091         code for each type.
2092
2093 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2094
2095         PR middle-end/25158
2096         * builtins.c (fold_builtin_fputs): Defer check for missing
2097         replacement functions.
2098
2099 2005-11-30  Kean Johnston  <jkj@sco.com>
2100
2101         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2102         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2103
2104 2005-11-30  Richard Guenther  <rguenther@suse.de>
2105
2106         PR tree-optimization/22501
2107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2108         function split out from ...
2109         (forward_propagate_addr_expr): ... here.  Use it to propagate
2110         ADDR_EXPRs to all uses.
2111
2112 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2113
2114         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2115         * builtins.c (expand_builtin_mathfn): Use them.
2116         (expand_builtin_mathfn_2): Likewise.
2117         (expand_builtin_mathfn_3): Likewise.
2118         (expand_builtin_int_roundingfn): Likewise.
2119         (expand_builtin): Likewise.
2120         (integer_valued_real_p): Likewise.
2121         (fold_builtin_int_roundingfn): Likewise.
2122         (fold_builtin_bitop): Likewise.
2123         (fold_builtin_logarithm): Likewise.
2124         (fold_builtin_1): Likewise.
2125         * convert.c (convert_to_integer): Likewise.
2126         * fold-const.c (negate_mathfn_p): Likewise.
2127         (tree_expr_nonnegative_p): Likewise.
2128
2129 2005-11-30  Dale Johannesen  <dalej@apple.com>
2130             Andrew Pinski  <pinskia@physics.uc.edu>
2131
2132         * combine.c (find_split_point):  Sign extend bitmask
2133         when changing bitfield assignment to IOR of AND.
2134
2135 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2136
2137         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2138         clobber to scratch reg.
2139         (*decrement_and_branch_until_zero_no_clobber): Remove.
2140         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2141         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2142         * config/ms1/ms1.opt (mmul): Remove.
2143         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2144         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2145
2146 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2147             Bernd Schmidt  <bernd.schmidt@analog.com>
2148
2149         * pa/predicates.md (symbolic_operand): Add comment.
2150         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2151         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2152         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2153         (pa_secondary_reload_class): Delete.
2154         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2155         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2156         copy of symbolic operand.
2157         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2158
2159 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2160
2161         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2162         jump.
2163
2164 2005-11-30  Jeff Law  <law@redhat.com>
2165
2166         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2167         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2168
2169 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2170
2171         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2172         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2173         (ia64_expand_move): Adjust caller.
2174
2175         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2176         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2177         negate VAL.
2178
2179 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2180
2181         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2182         Always produce an output if we can remove NEGs or canonicalize
2183         (minus (minus ...)) expressions.  Provide a fast path for the
2184         two-operand case.
2185         (simplify_gen_binary): Do not call simplify_plus_minus.
2186         (simplify_binary_operation_1): Reassociate at the end of the
2187         function.
2188
2189 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2190
2191         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2192         moves and unpack to speed up.
2193
2194 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2195
2196         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2197         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2198         (gen_v9_scc): Update callers.
2199         * config/sparc/sparc.md: Likewise.
2200         * config/sparc/sparc-protos.h: Update extern declaration.
2201
2202         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2203
2204 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2205
2206         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2207         the if.
2208
2209 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2210
2211         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2212         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2213         (negate_expr): Here.
2214
2215 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2216
2217         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2218         Fix typo in comment.
2219
2220 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2221
2222         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2223         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2224
2225 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2226
2227         PR middle-end/20109
2228         PR middle-end/25120
2229         * builtins.c (init_target_chars): New.
2230         (expand_builtin_printf, expand_builtin_fprintf,
2231         expand_builtin_sprintf, fold_builtin_sprintf,
2232         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2233         fold_builtin_snprintf_chk, fold_builtin_printf,
2234         fold_builtin_fprintf): Check for matching format strings using
2235         the target charset.
2236
2237 2005-11-29  Paul Brook  <paul@codesourcery.com>
2238
2239         * config.gcc: Do not use fixproto on m68k-elf.
2240
2241 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2242
2243         * expmed.c (div_cost): Replace with...
2244         (sdiv_cost, udiv_cost): New.
2245         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2246         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2247         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2248         (expand_divmod): Replace use of div_cost with either sdiv_cost
2249         or udiv_cost depending upon the signedness of the operation.
2250
2251 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2252
2253         PR libfortran/24991
2254         * config/darwin.c (machopic_indirection_name,
2255         machopic_output_indirection): Follow transparent alias chain.
2256
2257 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2258
2259         * varasm.c (ultimate_transparent_alias_target): Add comment.
2260
2261 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2262
2263         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2264         SET_SRC instead of XEXP where appropriate.
2265
2266 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2267
2268         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2269         __builtin_expect.
2270
2271 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2272
2273         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2274         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2275         bit at a time.
2276
2277 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2278
2279         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2280         secondary_input_reload_class, made static.  Adapt to new
2281         infrastructure.
2282         (secondary_output_reload_class): Delete.
2283         (TARGET_SECONDARY_RELOAD): New macro.
2284         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2285         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2286
2287 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2288
2289         PR c++/21166
2290         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2291         when its natural alignment is > BITS_PER_UNIT.
2292         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2293         * c-common.c (handle_packed_attribute): Ignore packing on a field
2294         whose type is naturally char aligned.
2295
2296 2005-11-28  Richard Guenther  <rguenther@suse.de>
2297
2298         * c-common.c (strict_aliasing_warning): Handle all
2299         component-ref like accesses.
2300
2301 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2302             Uros Bizjak  <uros@kss-loka.si>
2303
2304         PR middle-end/20219
2305         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2306         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2307         when flag_unsafe_math_optimizations is set and
2308         we don't care about NaNs or Infinities.
2309
2310         Move x/expN(y) and x/pow(y,z) transformation into common
2311         flag_unsafe_math_optimizations section.
2312
2313 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2314
2315         * gcc.c (main): Change type of argv to "char **".
2316
2317 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2318
2319         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2320         small data sections.
2321         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2322         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2323         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2324         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2325         output locals to sbss if !rs6000_elf_in_small_data_p.
2326         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2327
2328 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2329
2330         PR target/24997
2331         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2332         generated by reload.
2333         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2334         indexed_or_indirect_address.
2335         (indexed_or_indirect_address): Don't test for base reg.  Call
2336         address_operand last.  Make it a special predicate.
2337
2338 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2339
2340         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2341
2342 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2343
2344         PR middle-end/24575
2345         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2346         is undefined.
2347         (negate_expr): Likewise.
2348
2349 2005-11-27  Andreas Schwab  <schwab@suse.de>
2350
2351         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2352         redundant parens.
2353
2354 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2355
2356         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2357         has EH predecessor edges.
2358
2359 2005-11-26  Eric Christopher  <echristo@apple.com>
2360
2361         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2362         register stalls by zero extending to the full register.
2363
2364 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2365
2366         * config/floatunsisf.c, config/floatunsidf.c,
2367         config/floatunsixf.c, config/floatunsitf.c: New files.
2368         * config/ia64/t-hpux: Add floatunsitf.c.
2369         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2370         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2371
2372 2005-11-26  Richard Henderson  <rth@redhat.com>
2373
2374         * c-lex.c (pragma_lex): Rename from c_lex.
2375         * c-pch.c: Update for pragma_lex rename.
2376         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2377         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2378         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2379         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2380         * doc/tm.texi: Likewise.
2381
2382 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2383
2384         PR middle-end/23669
2385         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2386         when overflow is undefined.
2387
2388 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2389
2390         * doc/md.texi (Insn Canonicalizations): Refer to the
2391         function commutative_operand_precedence for further rules.
2392
2393 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2394
2395         PR middle-end/21309
2396         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2397         is less than zero.  Limit mult_cost to a reasonable upper bound for
2398         the synthetic multiplication sequence.
2399
2400 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2401
2402         PR middle-end/25022
2403         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2404         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2405         Lookup the explicit replacement functions for any unlocked
2406         stdio builtin transformations.
2407
2408 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2409
2410         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2411         earlyclobber.
2412         * targhooks.c (default_secondary_reload): Don't require operand 2
2413         for an input reload to be earlyclobber.
2414
2415 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2416
2417         * fold-const.c (negate_mathfn_p): Fix comment and add support
2418         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2419         BUILT_IN_ATANH.
2420
2421 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2422
2423         PR middle-end/24998
2424         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2425         _Q_ulltoq for unsigned conversions from SImode and DImode to
2426         TFmode.
2427
2428 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2429
2430         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2431         (__floatundidf, __floatundisf): Likewise.
2432
2433 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2434
2435         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2436         (rs6000_override_options): Remove initialization of
2437         rs6000_sr_alias_set.
2438         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2439         (rs6000_emit_stack_tie): Same.
2440         (emit_frame_save): Same.
2441         (gen_frame_mem_offset): Same.
2442         (rs6000_emit_prologue): Same.
2443         (rs6000_emit_epilogue): Same.
2444
2445 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2446
2447         PR middle-end/24989
2448         * fold-const.c (fold_build): Convert bool_var != 1 and
2449         bool_var == 0 to !bool_var.
2450
2451 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2452
2453         PR middle-end/24990
2454         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2455         for C being INTEGER_CST.  Likewise for !=.
2456
2457 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2458
2459         PR middle-end/24998
2460         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2461         unsigned conversions from SImode to TFmode.
2462
2463 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2464
2465         * expr.c (expand_expr_real_1): Fix error in last change.
2466
2467 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2468
2469         * caller-save.c: (this_insn_sets): Move into:
2470         (save_call_clobbered_regs).
2471         (mark_set_regs): Get this_insn_sets from data.
2472
2473         (save_call_clobbered_regs): Take sets of the return value by
2474         sibcalls into account.
2475
2476 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2477         PR target/21623:
2478
2479         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2480         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2481         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2482         (memory_move_secondary_cost, init_reg_autoinc): Remove
2483         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2484         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2485         secondary_reload_class call.
2486         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2487         callers.
2488         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2489         (push_secondary_reload): Use secondary_reload target hook.
2490         (secondary_reload_class, scratch_reload_class): New functions.
2491         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2492         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2493         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2494         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2495         (secondary_reload_class, scratch_reload_class): Declare.
2496         * reload1.c: Include target.h.
2497         (reload_adjust_reg_for_temp): New function.
2498         (reload_adjust_reg_for_icode): Likewise.
2499         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2500         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2501         call.
2502         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2503         for inheritance.  Support case when both secondary & tertiary reloads
2504         are for intermediate registers.
2505         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2506         with secondary_reload_class call.  Support case when both secondary
2507         & tertiary reloads are for intermediate registers.
2508         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2509         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2510         * target.h (secondary_reload_info): New struct / typedef.
2511         (struct gcc_target): New member secondary_reload.
2512         * targhooks.c Include reload.h, optabs.h and recog.h.
2513         (default_secondary_reload): New function.
2514         * targhooks.h (default_secondary_reload): Declare.
2515         * doc/tm.texi: Document secondary_reload target hook.  Update
2516         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2517         * doc/md.texi: Likewise.
2518
2519         * sh-protos.h (sh_secondary_reload): Declare.
2520         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2521         (sh_secondary_reload): New function.
2522         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2523         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2524         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2525         (HAVE_SECONDARY_RELOADS): Define.
2526         * sh.md (reload_indf): Rename to:
2527         (reload_indf__frn).
2528         (reload_outdf): Rename to:
2529         (reload_outdf__RnFRm).
2530         (reload_insf): Rename to:
2531         (reload_insf__frn).
2532         (reload_insi): Rename to:
2533         (reload_insi__i_fpul).
2534
2535 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2536
2537         * configure.ac: Require at least texinfo 4.4.
2538         * configure: Regenerate.
2539
2540         * doc/install.texi (Tools/packages necessary for building GCC):
2541         Update required version of texinfo to at least 4.4.
2542         (Installing GCC: Building): Update required version of texinfo
2543         to at least 4.4.
2544         (Installing GCC: Final installation): Update required version
2545         of texi2dvi to at least 4.4.
2546         (Host/target specific installation notes for GCC): Update required
2547         version of texinfo to at least 4.4.
2548
2549 2005-11-24  Richard Guenther  <rguenther@suse.de>
2550         Dirk Mueller <dmueller@suse.de>
2551
2552         PR c++/14024
2553         * c-common.h (strict_aliasing_warning): Declare.
2554         * c-common.c (strict_aliasing_warning): New function,
2555         split out from ...
2556         * c-typeck.c (build_c_cast): ... here.
2557
2558 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2559
2560         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2561         to order operands.
2562         (swap_commutative_operands_with_target): New.
2563
2564 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2565
2566         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2567         also when doing PRE, rather than only for global CPROP.
2568
2569 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2570
2571         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2572         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2573         formatting.
2574         (expand_twoval_unop): Likewise.
2575         (widen_clz): Likewise.
2576         (expand_parity): Likewise.
2577         (expand_unop): Likewise.
2578         (emit_cmp_and_jmp_insn_1): Likewise.
2579         (prepare_float_lib_cmp): Likewise.
2580
2581 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2582
2583         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2584         Remove unused `class' variable.
2585
2586 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2587
2588         PR c++/21667
2589         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2590         C/C++ diagnostic function warn_array_subscript_with_type_char.
2591         * c-common.h (warn_array_subscript_with_type_char): Declare.
2592         * c-common.c (warn_array_subscript_with_type_char): Define.
2593
2594 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2595
2596         PR c/21668
2597         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2598         compiling at the intersection of C and C++.
2599
2600 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2601
2602         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2603         List @file in the option summary.  Include the libiberty
2604         documentation for @file.
2605         * gcc.c (main): Call expandargv.
2606         * Makefile.in (gcc-vers.texi): Define srcdir.
2607
2608 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2609
2610         * passes.c (init_optimization_passes): Document
2611         sequencing of passes.
2612
2613 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2614
2615         * config/m68k/predicates.md (pcrel_address, extend_operator,
2616         post_inc_operand, pre_dec_operand): Remove redundant
2617         conditionals.
2618         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2619         instead of abort.
2620         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2621
2622 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2623
2624         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2625
2626 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2627
2628         Preparatory work for PR target/21623:
2629         * alpha.c (secondary_reload_class): Rename to:
2630         (alpha_secondary_reload_class).
2631         * alpha.h, alpha-protos.h: Likewise.
2632         * mn10300.c (secondary_reload_class): Rename to:
2633         (mn10300_secondary_reload_class).
2634         * mn10300.h, mn10300-protos.h: Likewise.
2635         * pa.c (secondary_reload_class): Rename to:
2636         (pa_secondary_reload_class).
2637         * pa.h, pa-protos.h: Likewise.
2638         * rs6000.c (secondary_reload_class): Rename to:
2639         rs6000_secondary_reload_class.
2640         * rs6000.h, rs6000-protos.h: Likewise.
2641
2642 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2643
2644         PR middle-end/22561
2645         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2646
2647 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2648
2649         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2650         a mode_class.
2651         (prepare_cmp_insn): Likewise.
2652
2653 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2654
2655         PR target/23435
2656         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2657         if both operands[0] and operands[1] are memory.
2658
2659 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2660
2661         PR middle-end/23606
2662         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2663         COMPARISON_CLASS_P and an integral types create create a new
2664         expression with the new type and fold that.
2665
2666 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2667
2668         PR target/24988
2669         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2670         to SUBTARGET_OS_CPP_BUILTINS.
2671
2672 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2673
2674         * arm.c (emit_set_insn): New function.
2675         (arm_split_constant): Call it.
2676         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2677         (arm_legitimize_address): Likewise.  Use plus_constant.
2678         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2679         (thumb_expand_prologue): Likewise.
2680         (arm_gen_load_multiple): Use VOIDmode in SET.
2681         (arm_gen_store_multiple): Likewise.
2682         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2683         (emit_multi_reg_push): Likewise.
2684         (emit_sfm): Use plus_constant.
2685
2686 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2687
2688         PR target/24954
2689         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2690         typo last change.
2691
2692 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2693
2694         PR middle-end/24950
2695         * expmed.c (store_bit_field): Don't attempt to insv a field
2696         larger than the reg.
2697
2698 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2699
2700         PR target/24954
2701         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2702         explicit sign extension, not a (char) cast.
2703
2704 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2705
2706         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2707         GET_MODE_CLASS (x) == MODE_FLOAT.
2708         * config/i386/i386.c: Likewise.
2709         * config/rs6000/xcoff.h: Likewise.
2710         * config/rs6000/linux64.h: Likewise.
2711         * config/rs6000/rs6000.c: Likewise.
2712         * config/rs6000/rs6000.h: Likewise.
2713         * config/rs6000/predicates.md: Likewise.
2714         * config/rs6000/sysv4.h: Likewise.
2715
2716 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2717
2718         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2719         flag_pic is set.
2720
2721         * config/alpha/freebsd.h, config/alpha/linux.h,
2722         config/arm/linux-elf.h, config/bfin/bfin.h,
2723         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2724         config/i386/beos-elf.h, config/i386/gnu.h,
2725         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2726         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2727         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2728         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2729         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2730         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2731         config/sparc/linux.h, config/sparc/linux64.h,
2732         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2733
2734         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2735         are both defined when either flag -fpic or -fPIC are used.
2736
2737 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2738
2739         * config/fp-bit.c (clzusi): New function.
2740         (si_to_float, usi_to_float): Use it to compute proper shift.
2741         (usi_to_float): Preserve guard bits when shifting right.
2742         * libgcc-std.ver (GCC_4.2.0): New version.
2743         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2744         __floatundisf): New functions.
2745         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2746         __floatundisf): Declare.
2747         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2748         _floatundixf, and _floatunditf.
2749         * optabs.c (expand_float): If target does not define a pattern for
2750         signed or unsigned conversion, use an unsigned libcall instead of
2751         a signed one.
2752         (init_optabs): Initialize ufloat_optab.
2753
2754 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2755
2756         * config/rs6000/rs6000.opt (mmulhw): New option.
2757         * doc/invoke.texi (-mmulhw): Document.
2758         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2759         for 405 and 440.
2760         * config/rs6000/rs6000.md: Add half-word multiply and
2761         multiply-accumulate instructions for 405 and 440.
2762
2763 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2764
2765         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2766         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2767         default now includes a linker group which makes the RTEMS one nest.
2768
2769 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2770
2771         * cse.c (fold_rtx): Typo fix.
2772         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2773
2774 2005-11-21  Richard Henderson  <rth@redhat.com>
2775
2776         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2777         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2778
2779         * c-tree.h (lookup_name): Move declaration ...
2780         * c-common.h (lookup_name): ... here.
2781         * config/darwin-c.c: Include c-common.h.
2782         * config/t-darwin: Update dependencies.
2783
2784 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2785
2786         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2787         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2788         * genopinit.c (gen_insn): Likewise.
2789         * reload.c (find_equiv_reg): Likewise.
2790         * loop.c (load_mems): Likewise.
2791         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2792         * cse.c (find_comparison_args, fold_rtx): Likewise.
2793         * dwarf2out.c (add_const_value_attribute): Likewise.
2794         * expr.c (convert_move): Likewise.
2795         * recog.c (general_operand, register_operand): Likewise.
2796         * reg-stack.c (replace_reg): Likewise.
2797         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2798         * c-common.c (handle_vector_size_attribute): Likewise.
2799         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2800         (simplify_binary_operation_1): Likewise.
2801         (simplify_const_binary_operation): Likewise.
2802         (simplify_relational_operation): Likewise.
2803         (simplify_const_relational_operation): Likewise.
2804         (simplify_immed_subreg): Likewise.
2805         * emit-rtl.c (gen_lowpart_common): Likewise.
2806         * expmed.c (expand_mult): Likewise.
2807         * stor-layout.c (layout_type): Likewise.
2808
2809 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2810
2811         PR target/24951
2812         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2813         cst2 only for SPE vectors.
2814
2815 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2816
2817         PR target/24953
2818         * config/rs6000/predicates.md (vrsave_operation): Check
2819         UNSPEC_VOLATILE value.
2820
2821 2005-11-21  Jan Hubicka  <jh@suse.cz>
2822
2823         PR tree-optimization/24653
2824         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2825
2826 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2827
2828         * config/i386/predicates.md (ax_reg_operand): New predicate.
2829         (memory_displacement_only_operand): New predicate.
2830         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2831         operand is AX register and the other operand is memory operand
2832         with displacement only.
2833
2834 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2835
2836         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2837         if we don't care about NaNs or Infinities.
2838
2839 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2840
2841         PR rtl-optimization/24883
2842         * combine.c (combinable_i3pat): When checking whether the
2843         destination of i3 is used in i3, consider paradoxical subregs.
2844
2845 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2846
2847         PR middle-end/20583
2848         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2849
2850 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2851
2852         * combine.c (try_combine): Do not run subst on i1src and i2src in
2853         the case of generating a PARALLEL for a comparison.
2854
2855 2005-11-20  Richard Henderson  <rth@redhat.com>
2856
2857         PR 24931
2858         * tree-sra.c (struct sra_elt): Add all_no_warning.
2859         (struct sra_walk_fns) <use>: Add use_all argument.
2860         (sra_walk_expr): Pass it.
2861         (sra_walk_modify_expr): Likewise.
2862         (scalarize_ldst): Likewise.
2863         (scan_use): Update for new argument.
2864         (mark_no_warning): New.
2865         (scalarize_use): Use it.
2866
2867 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2868
2869         * expr.c (expand_expr_real): Use usmul_optab for widening
2870         signed * unsigned multiplies.
2871         * genopinit.c (optabs): Add usmul_widen_optab.
2872         * optabs.c (init_optabs): Likewise.
2873         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2874         (usmul_widen_optab): Define.
2875         * config/bfin/bfin.md (usmulhisi3): New pattern.
2876
2877         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2878
2879 2005-11-20  Graham Stott <btinternet.com>
2880
2881         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2882
2883 2005-11-20  Andreas Schwab  <schwab@suse.de>
2884
2885         PR target/24757
2886         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2887         insn.
2888
2889 2005-11-19  Richard Henderson  <rth@redhat.com>
2890
2891         PR tree-opt/24665
2892         * tree-gimple.c (is_gimple_id): Export.
2893         * tree-gimple.h (is_gimple_id): Declare.
2894         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2895         (get_default_value): Use it.
2896         (maybe_fold_stmt_indirect): Likewise.
2897
2898 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2899
2900         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2901         than VR1 or vice-versa.
2902
2903 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2904
2905         PR middle-end/24912
2906         PR middle-end/24750
2907         * reload.c (find_reloads_address_1): Mention dependency on
2908         gen_reload.
2909         * reload1.c (gen_reload): For IN with an unary operation, try
2910         moving inner expression to OUT if trivial SET is not valid.
2911         Confirm that the result is valid.  Move common code block into...
2912         (emit_insn_if_valid_for_reload): New function.
2913
2914 2005-11-19  Richard Guenther  <rguenther@suse.de>
2915
2916         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2917         ARRAY_REFs of constant strings.
2918
2919 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2920
2921         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2922         fatal format string.
2923
2924 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2925
2926         * combine.c (make_compound_operation): Swap operands of
2927         commutative operation if necessary before returning.
2928
2929 2005-11-19  Richard Guenther  <rguenther@suse.de>
2930
2931         PR middle-end/23294
2932         * fold-const.c (fold_plusminus_mult_expr): New function.
2933         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2934         cases, remove now unnecessary code.
2935
2936 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2937
2938         * gensupport.c (old_preds): Rename to std_preds, add special field.
2939         (struct old_pred_table): Rename to struct std_pred_table, add special
2940         field.
2941         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2942         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2943         (init_predicate_table): Adjust, and set along the way whether a
2944         predicate is special.
2945
2946 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2947
2948         * BASE-VER: Change to 4.2.0.
2949
2950 2005-11-18  James E Wilson  <wilson@specifix.com>
2951
2952         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2953         returning it.
2954
2955 2005-11-18  Mike Stump  <mrs@apple.com>
2956
2957         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2958         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2959         * c-decl.c (lookup_name_two) Remove.
2960         * c-tree.h (lookup_name_two): Remove.
2961         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2962         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2963         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2964         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2965
2966 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2967
2968         PR target/24914
2969         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2970         when not generating code to use that co-processor.
2971
2972 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2973
2974         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2975         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2976         these functions are now in tree-phinodes.c.
2977
2978 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2979
2980         * config/bfin/bfin.md (trap): New pattern.
2981
2982 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2983
2984         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2985         on types.
2986
2987         * expr.c (expand_expr_real): Don't call record_block_change unless
2988         ib_boundaries_block is non-null
2989
2990         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2991
2992         * fold-const.c (build_range_check): Use proper type for subtraction
2993         when merging lower bound.
2994
2995 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2996
2997         PR rtl-optimization/24497
2998         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2999         the copied insn.
3000
3001 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3002
3003         * tree-scalar-evolution.c (expression_expensive_p): New function.
3004         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3005
3006 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3007
3008         * config/bfin/crtlibid.s: New file.
3009
3010 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3011
3012         PR target/24348
3013         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3014         when not using sjlj exceptions.
3015         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3016         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3017         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3018         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3019         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3020         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3021         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3022         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3023         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3024         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3025         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3026         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3027         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3028         defines.
3029         * config/pa/hpux-unwind.h: New file.
3030
3031 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3032
3033         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3034         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3035         * varasm.c (do_assemble_alias): Adjust call.
3036         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3037         is defined.
3038         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3039
3040 2005-11-17  James E Wilson  <wilson@specifix.com>
3041
3042         * tree.def (FUNCTION_DECL): Correct typo in comment.
3043
3044 2005-11-17  Richard Henderson  <rth@redhat.com>
3045
3046         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3047         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3048         and DW_CFA_def_cfa_sf.
3049         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3050         (dbx_reg_number): Don't assert particular registers here.
3051         (based_loc_descr): ... do it here instead.  Fold in ...
3052         (eliminate_reg_to_offset): ... this function.
3053         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3054         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3055         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3056         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3057         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3058         (instantiate_virtual_regs): Likewise.
3059         * var-tracking.c (adjust_stack_reference): Likewise.
3060         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3061
3062 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3063
3064         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3065         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3066         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3067         crtlibid.o.
3068         ($(T)crtlibid.o): New rule.
3069
3070 2005-11-16  Richard Guenther  <rguenther@suse.de>
3071
3072         PR middle-end/24851
3073         * fold-const.c (extract_array_ref): Return byte offset
3074         in all cases.
3075         (fold_binary): Fold &x[a] CMP &x[b] to
3076         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3077         behavior.
3078
3079 2005-11-16  Richard Henderson  <rth@redhat.com>
3080
3081         PR middle-end/23497
3082         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3083         parts of an SSA_NAME.
3084
3085 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3086
3087         PR target/24861
3088         * arm.md (split for movsf with immediate): Restrict split to insns
3089         that set a general register.
3090
3091 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3092
3093         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3094         uw_update_context.
3095         * unwind-dw2.c (uw_advance_context): Likewise.
3096         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3097         _Unwind_SjLj_Unregister.
3098         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3099
3100 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3101
3102         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3103
3104 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3105
3106         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3107         langhook to get a DImode integer type.
3108
3109 2005-11-16  Richard Henderson  <rth@redhat.com>
3110             J"orn Rennecke <joern.rennecke@st.com>
3111             Ulrich Weigand  <uweigand@de.ibm.com>
3112
3113         PR rtl-opt/24160
3114         PR target/24621
3115         * reload1.c (reg_equiv_invariant): New.
3116         (reload): Allocate, initialize, and free it.
3117         (calculate_needs_all_insns): Check it when skipping equivalence
3118         setting insns.
3119         (alter_reg): Likewise.
3120         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3121         may_use_invariant argument; only use reg_equiv_invariant when true.
3122         (eliminate_regs): New.
3123         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3124         a context for which may_use_invariant may be true.
3125
3126 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3127
3128         * fold-const.c (const_binop): Don't constant fold the operation
3129         if the result has overflowed and flag_trapping_math.
3130         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3131
3132 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3133
3134         * config/arm/unwind-arm.c (abort): Add prototype here.
3135         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3136         (struct phase1_vrs): Add prev_sp.
3137         (unwind_phase2_forced): Save the original core registers instead of
3138         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3139         and set action flags accordingly.  Always set _US_END_OF_STACK when
3140         get_eit_entry fails.  Unwind before calling the stop function.
3141         (_Unwind_GetCFA): New function.
3142         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3143         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3144         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3145         just call unwind_phase2_forced.
3146         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3147         * config/arm/unwind-arm.h (abort): Remove prototype.
3148         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3149         prototypes.
3150         (_Unwind_GetCFA): New prototype.
3151         * config/arm/pr-support.c (abort): Add prototype here.
3152         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3153         forced unwinding.
3154         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3155         not schedule the prologue with non-call exceptions and EABI.
3156
3157 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3158
3159         * config/arm/unwind-arm.h: Reorder interface function declarations.
3160         (_URC_END_OF_STACK): New enumeration value.
3161         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3162         (struct _Unwind_Control_Block): Document reserved field use.
3163         (_Unwind_Stop_Fn): New typedef.
3164         (_Unwind_ForcedUnwind): Declare.
3165         (_Unwind_Resume_or_Rethrow): Declare.
3166         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3167         argument.  Adjust.
3168         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3169         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3170         (UCB_FORCED_STOP_ARG): New.
3171         (search_EIT_table): Update boundary condition checks.
3172         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3173         (unwind_phase2): Replace for with do..while.
3174         (unwind_phase2_forced): New.
3175         (__gnu_Unwind_RaiseException): Replace for with do..while.
3176         (__gnu_Unwind_ForcedUnwind): New.
3177         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3178         Use appropriate phase2 unwinder.
3179         (__gnu_Unwind_Resume_or_Rethrow): New.
3180         (__gnu_unwind_pr_common): Cope with forced unwinding.
3181
3182 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3183
3184         PR target/24772
3185         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3186
3187         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3188         roundsf2): Remove "s" from mnemonic.
3189
3190 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3191
3192         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3193         __PIC__ is defined.
3194         * config/bfin/crtn.s: Change epilogues to match.
3195         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3196         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3197         __PIC__ and __pic__.
3198
3199 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3200
3201         PR 24357
3202         * doc/invoke.texi: Distinguish between free and fixed form instead of
3203         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3204         languages.
3205         * gcc.c (default_compilers): Remove double entries, add entries for
3206         suffixes '.F90' and '.F95'.
3207
3208 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3209
3210         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3211         in the stack probing loop.
3212
3213 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3214
3215         * configure.ac: Use .machine power5 not power5x.
3216         * configure: Regenerate.
3217
3218 2005-11-15  Mike Stump  <mrs@apple.com>
3219
3220         * c-decl.c (lookup_name_two): Add.
3221         * c-tree.h (lookup_name_two): Likewise.
3222         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3223         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3224
3225 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3226
3227         PR rtl-optimization/23392
3228         * regrename.c (enum scan_actions) Add mark_access.
3229         (scan_actions_name): Ditto.
3230         (scan_rtx_reg): Handle mark_access.
3231         (scan_rtx_address): Do nothing for mark_access.
3232         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3233         and regs in REG_INC notes before closing chains for dead regs.
3234         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3235         opening chains for new writes.
3236
3237 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3238
3239         * c.opt (ffixed-line-length-none): New.
3240
3241 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3242
3243         * mklibgcc.in: Change contents of eh_dummy.c.
3244
3245 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3246
3247         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3248
3249 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3250
3251         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3252         of making syscalls.
3253         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3254
3255 2005-11-15  Jan Hubicka  <jh@suse.cz>
3256
3257         * invoke.texi (large-unit-insns): Document.
3258         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3259         * params.def (large-unit-insns): New param.
3260
3261 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3262
3263         PR target/24869
3264         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3265         special register for operand 3.  Reindent constraints to align
3266         them vertically.
3267
3268 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3269
3270         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3271         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3272         * configure.ac: Add test for FP rounding instructions.
3273         * configure: Regenerate.
3274         * config.in: Regenerate.
3275         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3276         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3277         features enabled.
3278         * config/rs6000/rs6000.opt (mfprnd): New.
3279         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3280         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3281         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3282         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3283         (TARGET_FPRND): New.
3284         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3285         UNSPEC_FRIZ): New.
3286         (btrunc<mode>2): New.
3287         (ceil<mode>2): New.
3288         (floor<mode>2): New.
3289         (round<mode>2): New.
3290
3291 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3292
3293         * gcc.c (version_compare_spec_function): Use fatal() rather than
3294         abort().
3295
3296         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3297         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3298         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3299         as empty.
3300         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3301         link in crt2.o.
3302
3303         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3304         on -mmacosx-version-min setting.
3305
3306 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3307
3308         PR 24840
3309         * tree-vrp.c (infer_value_range): Return false if STMT is a
3310         block terminator and its basic block has no successors.
3311
3312 2005-11-14  Mike Stump  <mrs@apple.com>
3313
3314         * config/i386/i386.c (override_options): -masm=intel isn't
3315         supported on darwin.
3316         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3317
3318 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3319
3320         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3321         vfork after including auto-host.h.
3322
3323 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3324
3325         PR rtl-optimization/22002
3326         * combine.c (distribute_notes): Detect cases where a reg dies
3327         two or more times in a bb, including on the insn we are combining,
3328         and place the death note on the correct range.
3329
3330 2005-11-14  Dale Johannesen  <dalej@apple.com>
3331
3332         * expmed.c (store_bit_field):  Add offset unconditionally for
3333         memory targets.
3334         (extract_bit_field):  Don't force extzv or extv operand into
3335         a register if field is too big.
3336
3337 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3338
3339         * config/arm/arm.c (pic_labelno): New.
3340         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3341         LABEL_REF.  Pass only the labelno to PIC insns.
3342         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3343         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3344         * arm.md (UNSPEC_PIC_LABEL): New constant.
3345         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3346         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3347         Use the correct label prefix.
3348
3349 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3350
3351         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3352         REQ_EQUIV note.
3353
3354 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3355
3356         * loop-invariant.c: Include tm_p.h.
3357         * Makefile.in: Updated.
3358
3359 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3360
3361         * pa.c (store_reg): Revise generation of frame notes in large frames.
3362         (set_reg_plus_d): Likewise.
3363
3364 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3365
3366         PR tree-optimization/24709
3367         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3368         loop check.
3369
3370 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3371
3372         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3373         and duplicate declaration of pthread_self.
3374
3375 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3376             Ian Lance Taylor  <ian@airs.com>
3377
3378         PR middle-end/24003
3379         * calls.c (expand_call): If TARGET is a MEM and some part of the
3380         argument area has been saved, force TARGET to a register.
3381
3382 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3383
3384         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3385         checking.
3386
3387 2005-11-13  Jason Merrill  <jason@redhat.com>
3388
3389         PR c++/22489
3390         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3391         lazily declared methods.
3392         (force_decl_die): Stop if forcing out the context already make a
3393         DIE for the decl.
3394         (force_type_die): Likewise.
3395
3396 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3397
3398         PR middle-end/24820
3399         * builtins.c (integer_valued_real_p): Add break in
3400         REAL_CST having TREE_OVERFLOW set.
3401
3402 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3403
3404         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3405         addressing modes during calculation of costs.
3406
3407 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3408
3409         * function.c (assign_stack_local_1): Restrict sanity check
3410         on frame size overflow to 32-bit and above platforms.
3411
3412 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3413
3414         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3415         * config/cris/cris.c: Include reload.h.
3416         (cris_initial_elimination_offset): New function.
3417         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3418         Prototype.
3419
3420 2005-11-12  Richard Guenther  <rguenther@suse.de>
3421
3422         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3423
3424 2005-11-12  Jan Hubicka  <jh@suse.cz>
3425
3426         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3427         to compare against 0 when possible.
3428
3429 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3430
3431         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3432         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3433         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3434         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3435         in the new order.
3436
3437 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3438
3439         * recog.c (constrain_operands) <case 'g'>: For a match, require
3440         that a non-register matches general_operand when strict >= 0.
3441
3442 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3443
3444         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3445         previous checkin.
3446
3447 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3448
3449         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3450         (memory_address_same): New.
3451         (dse_optimize_stmt): Call memory_address_same.
3452
3453 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3454
3455         PR middle-end/24750
3456         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3457         ZERO_EXTEND>: New cases.
3458
3459 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3460
3461         * longlong.h (__clz_tab): Always provide.
3462
3463 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3464
3465         PR 24265
3466         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3467         can be assigned to.
3468         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3469         before check_maybe_invariant.
3470         (move_invariant_reg): Use gen_move_insn instead of replacing
3471         SET_DEST with the temporary for the invariant.
3472         (move_loop_invariants): If checking is enabled, do internal
3473         consistency checks after completing the pass.
3474
3475 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3476
3477         PR 24644
3478         * common.opt (Wvolatile-register-var): New.
3479         * varasm.c (make_decl_rtl): Only emit warning when option
3480         specified.  Clarify warning message.
3481         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3482
3483         * doc/md.texi (copysign): Document standard named pattern.
3484
3485 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3486
3487         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3488         bytes when align is 2.
3489         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3490         by the first instruction of the loop.
3491
3492 2005-11-11  Jason Merrill  <jason@redhat.com>
3493
3494         PR c++/24686
3495         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3496         the cleanup list.
3497
3498 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3499
3500         PR rtl-optimization/22509
3501         * local-alloc.c (memref_used_between_p): Check whether a function call
3502         could not reference the memref.
3503
3504 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3505
3506         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3507         algorithm so as to choose the best, not the worst, alternative.
3508         Reset accumulated register class before processing next alternative.
3509
3510 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3511
3512         PR target/24445
3513         * calls.c (expand_call): Copy a return value to a plain register
3514         if needed.
3515
3516 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3517
3518         PR target/24778
3519         * varasm.c (assemble_name): Recompute name only for transparent
3520         aliases.
3521
3522 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3523
3524         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3525
3526 2005-11-04  Jeff Law  <law@redhat.com>
3527
3528         PR middle-end/23181
3529         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3530         perform reassociation if the parent statement will not die as
3531         a result of the optimization.
3532
3533 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3534
3535         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3536         delete_old_heap_vars.
3537         * tree-dfa.c (referenced_var_remove): Remove function.
3538         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3539         (delete_tree_ssa): Remove call to delete_old_heapvars.
3540         Add call to delete_alias_heapvars.
3541         * tree-flow.h (referenced_var_remove): Remove prototype
3542         (init_alias_heapvars): New prototype.
3543         (delete_alias_heapvars): Ditto.
3544         * Makefile.in (tree-ssa-structalias.o): Add
3545         gt-tree-ssa-structalias.o
3546         (GTFILES): Add tree-ssa-structalias.h and
3547         tree-ssa-structalias.c.
3548         (s-gtype): Add gt-tree-ssa-structalias.h.
3549         * tree-ssa-structalias.c (heapvars): Remove.
3550         (oldheapvars): Remove.
3551         (heapvar_for_stmt): New variable.
3552         (heapvar_lookup): New function.
3553         (heapvar_insert): Ditto.
3554         (get_constraint_for): See if we have an old heapvar
3555         to reuse.
3556         (init_alias_heapvars): New function.
3557         (delete_alias_heapvars): Ditto.
3558         Add include of gt-tree-ssa-structalias.h.
3559
3560 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3561
3562         PR middle-end/22127
3563         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3564
3565 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3566
3567         * tree.c (int_fits_type_p): Only look at the base type
3568         if it has the same precision as the original type.
3569
3570 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3571
3572         PR other/4372
3573         * varasm.c (assemble_alias): Use %q+D in the error
3574         message instead of %J and %qD.
3575
3576 2005-11-10  Richard Guenther  <rguenther@suse.de>
3577
3578         * gcse.c (free_ldst_entry): Only free hashtable if
3579         it exists.
3580
3581 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3582
3583         * function.c (assign_stack_local_1): Issue an error message if
3584         the frame size overflows in the signed target arithmetics.
3585
3586 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3587
3588         * tree.c (build_qualified_type): Chain the new type to the original
3589         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3590         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3591         (build_pointer_type_for_mode): Only return unqualified types.
3592         (build_reference_type_for_mode): Likewise.
3593
3594 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3595
3596         * Makefile.in (gnucompare): Do comparison of all files using one of
3597         the chosen methods and only afterwards decide if just warning should
3598         be issued or comparison failure raised.
3599
3600 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3601
3602         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3603         (noce_try_abs): Negate if the comparison is reversed.
3604         Look only one instruction backwards for a REG_EQUAL note.
3605
3606 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3607
3608         PR other/4372
3609         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3610         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3611         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3612         and prefix all uses with __ghtrw.
3613
3614 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3615
3616         PR other/4372
3617         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3618         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3619         * c-common.c (handle_weakref_attribute): New.
3620         (c_common_attribute_table): Add weakref.
3621         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3622         in the assembler.
3623         * configure, config.in: Rebuilt.
3624         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3625         * doc/extend.texi: Document weakref attribute.
3626         * varasm.c (ultimate_transparent_alias_target): New
3627         (assemble_name): Use it.
3628         (weak_finish_1): Split out of...
3629         (weak_finish): ... and deal with weakrefs in...
3630         (weakref_targets): ... new list.
3631         (globalize_decl): Clean up weakref_targets.
3632         (do_assemble_alias): Handle weakrefs.
3633         (finish_aliases_1): Do not reject weakrefs to external symbols.
3634         (assemble_alias): Handle weakrefs.
3635
3636 2005-11-09  Richard Guenther  <rguenther@suse.de>
3637
3638         PR tree-optimization/24716
3639         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3640         t_bool to track results from follow_ssa_edge.
3641
3642 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3643
3644         * final.c (force_source_line): New global variable.
3645         (final_scan_insn): Set it to true instead of clearing last_filename.
3646         (notice_source_line): Return true if force_source_line is true,
3647         unless source info is absent.
3648
3649 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3650
3651         PR c/24644
3652         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3653         a linkage name for a variable if it a register variable.
3654         * c-decl.c (grokdeclarator): Global register variables
3655         should be set as PUBLIC.
3656
3657 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3658
3659         PR 24624
3660         * config/s390/s390.c (struct s390_frame_layout): New fields
3661         first_save_gpr_slot and last_save_gpr_slot.
3662         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3663         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3664         first_save_gpr and last_save_gpr with the _slot variants.
3665         (s390_register_info): Calculate first_save_gpr_slot and
3666         last_save_gpr_slot using regs_ever_live.
3667
3668 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3669
3670         PR 24623
3671         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3672         for a function containing a landing pad.
3673
3674 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3675
3676         PR 24034
3677         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3678         is live afterwards.
3679
3680 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3681
3682         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3683         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3684
3685 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3686
3687         Add ms2 support
3688         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3689         constants.
3690         (call,load,store): New insn types.
3691         (mem_access, branch_access): Adjust reservation conditions.
3692         (define_delay): Adjust condition.
3693         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3694         type.
3695         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3696         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3697         insn type.
3698         (call_internal, call_value_internal, return_internal,
3699         return_interrupt_internal, eh_return_internal, indirect_jump,
3700         tablejump): Set call insn type.
3701         (blockage, ei, di): Use appropriate unspec const.
3702         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3703         (ms1_get_attr_type): Adjust to give load & store types.
3704         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3705         backwards past a barrier.
3706         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3707         branch scheduling.
3708         (struct branch_info, struct label_info): New.
3709         (ms1_labels): New.
3710         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3711         (ms1_machine_reorg): New.
3712         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3713         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3714         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3715         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3716         (TARGET_MS2): New.
3717
3718 2005-11-09  Per Bothner  <per@bothner.com>
3719             Uros Bizjak  <uros@kss-loka.si>
3720
3721         PR c/24101
3722         * toplev.c (process_options): Initialize debug_hooks early
3723         in case lang_hooks.post_options ends up calling a debug_hook.
3724
3725 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3726
3727         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3728         DBX_REGISTER_NUMBER being contiguous.
3729
3730 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3731             Diego Novillo  <dnovillo@redhat.com>
3732
3733         PR 23046
3734         * tree-vrp.c (register_edge_assert_for): Do not register
3735         always-false predicates.
3736
3737 2005-11-08  Devang Patel <dpatel@apple.com>
3738
3739         PR tree-optimization/23115
3740         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3741         relation.
3742
3743 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3744
3745         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3746         -mcpu=440.
3747
3748 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3749
3750         Fix PR tree-optimization/23382
3751
3752         * tree-ssa-alias.c (compute_may_aliases): Call
3753         delete_old_heap_vars.
3754         * tree-dfa.c (referenced_var_remove): New function.
3755         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3756         * tree-flow.h (referenced_var_remove): Add prototype.
3757         (delete_old_heap_vars): Ditto.
3758         * tree-ssa-structalias.c (heapvars): New variable.
3759         (oldheapvars): Ditto.
3760         (get_constraint_for): Put heap vars on heapvars list.
3761         (delete_old_heap_vars): New function.
3762
3763 2005-11-08  Jason Merrill  <jason@redhat.com>
3764
3765         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3766
3767 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3768
3769         PR target/19340
3770         * reg-stack.c (reg_to_stack): Update register liveness also
3771         for flag_sched2_use_traces.
3772
3773 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3774
3775         PR target/23704
3776         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3777         override prior explicit -mno-powerpc-gfxopt.
3778
3779 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3780
3781         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3782         if the bitsize is zero.
3783         * doc/md.texi (Standard Pattern Names): Document it.
3784
3785         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3786         (TARGET_PASS_BY_REFERENCE): Likewise.
3787
3788 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3789
3790         PR rtl-optimization/24683
3791         * config/i386/i386.c (legitimize_pic_address): If constant operand
3792         to PLUS is too large, put it in a register.
3793
3794 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3795
3796         * configure.ac: Enable checking assembler dwarf2 support for bfin
3797         target.
3798         * configure: Regenerate.
3799
3800 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3801
3802         PR target/24230
3803
3804         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3805         gen_easy_vector_constant_add_self): Delete.
3806         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3807         New.
3808         (output_vec_const_move): Use gen_easy_altivec_constant.
3809         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3810         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3811         (easy_vector_constant_add_self): Rewritten.
3812         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3813         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3814         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3815         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3816         Macroize and adjust for the other changes.
3817
3818 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3819
3820         PR c/24599
3821
3822         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3823         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3824
3825 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3826
3827         PR rtl-optimization/23567
3828         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3829         (noce_process_if_block): Don't do any optimizations except
3830         if (cond) x = x; if !set_b and write into orig_x may trap
3831         or fault.  Remove the MEM_READONLY_P check.
3832
3833 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3834
3835         PR 24670
3836         * tree-vrp.c (fix_equivalence_set): New.
3837         (extract_range_from_assert): Call it.
3838
3839 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3840
3841         PR target/22432
3842         * combine.c (apply_distributive_law): Don't distribute across a
3843         vector mode subreg.
3844
3845 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3846
3847         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3848         config/ms1/ms1.h, config/rs6000/predicates.md,
3849         config/s390/s390.c, params.def, postreload-gcse.c,
3850         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3851         tree-vrp.c, tree.c: Fix comment typos.
3852         * doc/invoke.texi: Fix typos.
3853
3854 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3855
3856         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3857         for testing whether the data_dependence_relation contains distance
3858         vectors.  Iterate over all distance vectors of the ddr.
3859         * lambda.h: Define a vec of lambda_vector pointers.
3860         * tree-data-ref.c (dump_data_dependence_relation,
3861         dump_data_dependence_direction): Iterate over all distance and
3862         direction vectors of the ddr.
3863         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3864         DDR_DIST_VECTS.
3865         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3866         of distance/direction vectors instead of a single one.
3867         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3868         lambda_vectors with a vec of lambda_vectors.
3869         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3870         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3871         DDR_NUM_DIST_VECTS): New.
3872         * tree-loop-linear.c (gather_interchange_stats): Test for the
3873         existence of distance vectors only after having checked that there
3874         is a dependence.  Iterate over all distance vectors of the ddr.
3875         (linear_transform_loops): Use dump_data_dependence_relation.
3876         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3877         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3878         distance vectors of the ddr.
3879
3880 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3881
3882         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3883         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3884         IS_INTHANDLER; all callers changed.
3885         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3886         account.
3887         (do_link, do_unlink): New argument ALL; all callers changed.
3888         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3889         If function isn't leaf, save and restore all registers.
3890         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3891         exception handler.
3892
3893 2005-11-05  Jan Hubicka  <jh@suse.cz>
3894
3895         PR rtl-optimization/23490
3896         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3897         max-flow-memory-location): Document.
3898         * flow.c: Include params.h
3899         (MAX_MEM_SET_LIST_LEN): Kill.
3900         (add_to_mem_set_list): Use new param.
3901         * cse.c (cse_basic_block): Replace 1000 by new param.
3902         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3903         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3904         * predict.c (predict_loops): Use new param.
3905         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3906
3907         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3908         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3909         Do not hold memory returned by cgraph_node_name across other call.
3910
3911 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3912
3913         PR target/23424
3914         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3915         Disable.
3916
3917 2005-11-04  Jeff Law  <law@redhat.com>
3918
3919         PR/21883
3920         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3921         * tree-ssa-dom.c: Include params.h.
3922         (thread_across_edge): If there are too many statements in the
3923         target block, then do not thread through it.
3924         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3925         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3926
3927 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3928
3929         PR 24627
3930         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3931         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3932
3933 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3934
3935         PR/18595
3936         * tree-scalar-evolution.c (instantiate_parameters_1,
3937         instantiate_parameters, resolve_mixers): Compute the size of an
3938         expression to be instantiated and give up the instantiation if the
3939         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3940
3941 2005-11-04  Richard Guenther  <rguenther@suse.de>
3942
3943         * tree-flow.h (ref_contains_indirect_ref): Rename to
3944         array_ref_contains_indirect_ref.
3945         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3946         (array_ref_contains_indirect_ref): Make comment match the code
3947         and vice-versa.
3948         (ref_contains_array_ref): Likewise.
3949         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3950         ref_contains_indirect_ref.
3951         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3952         Rename calls to ref_contains_indirect_ref.
3953
3954 2005-11-04 Paul Brook  <paul@codesourcery.com>
3955
3956         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3957         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3958         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3959         * config/arm/arm.md: Use match_operand in peephole input templates
3960         and match_dup in peephole output templates.
3961
3962 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3963
3964         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3965         __aeabi_uidiv.
3966
3967 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3968             Daniel Jacobowitz  <dan@codesourcery.com>
3969
3970         * longlong.h (add_ssaaaa): Clobber condition code register
3971         in ARM version.
3972         (sub_ddmmss): Likewise.
3973         (umul_ppmm): Likewise.
3974
3975 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3976             Paul Brook  <paul@codesourcery.com>
3977             Phil Blundell  <pb@reciva.com>
3978
3979         * configure.ac: Add test for ARM TLS support.
3980         * configure: Regenerated.
3981         * config/arm/arm-protos.h (legitimize_tls_address)
3982         (arm_tls_referenced_p, tls_mentioned_p)
3983         (arm_output_addr_const_extra): New prototypes.
3984         (thumb_legitimize_pic_address): Delete.
3985         * config/arm/arm.c: Include "gt-arm.h".
3986         (enum tls_reloc): New.
3987         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3988         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3989         (arm_call_tls_get_addr, legitimize_tls_address)
3990         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3991         (arm_init_tls_builtins, arm_emit_tls_decoration)
3992         (arm_output_addr_const_extra): New functions.
3993         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3994         (TARGET_HAVE_TLS): Define.
3995         (target_thread_pointer): New.
3996         (arm_override_options): Handle -mtp=.
3997         (legitimize_pic_address): Ignore UNSPECs.
3998         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3999         relative symbols.
4000         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4001         (tls_get_addr_libfunc): New variable.
4002         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4003         (arm_init_builtins): Call arm_init_tls_builtins.
4004         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4005         (arm_encode_section_info): Call default_encode_section_info.
4006         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4007         (enum arm_tp_type): New.
4008         (target_thread_pointer): Add declaration.
4009         (LEGITIMATE_CONSTANT_P): Handle TLS.
4010         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4011         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4012         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4013         * config/arm/arm.md: Add UNSPEC_TLS.
4014         (movsi): Handle TLS.
4015         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4016         non-PIC.
4017         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4018         (load_tp_hard, load_tp_soft): New insns.
4019         * arm.opt: Add -mtp=.
4020         * doc/invoke.texi (ARM Options): Document -mtp.
4021
4022 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4023
4024         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4025         * config/arm/libunwind.S: Include "lib1funcs.asm".
4026         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4027         (LIB2ADDEH): Add libunwind.S.
4028         (LIB2ADDEHDEP): Add lib1funcs.asm.
4029         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4030
4031 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4032
4033         PR fortran/18452
4034         * gcc/c.opt: Add a -lang-fortran option.
4035         * gcc/c-opts.c: Add a lang_fortran flag.
4036         (c_common_init_options): Handling the -lang-fortran option.
4037         (c_common_handle_option): Add a case for Fortran options in
4038         preprocessing. Remove cases for -ffixed-form and
4039         -ffixed-line-length. Add a case for -lang-fortran.
4040
4041 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4042
4043         * config/rs6000/rs6000.c: Include params.h
4044         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4045         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4046         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4047         (UNSPEC_VPKUWSS): Delete.
4048         (altivec_vpkuhss): Delete.
4049         (altivec_vpkuwss): Delete.
4050         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4051         final condition.
4052         (neg_eq0<mode>): Remove final condition.
4053         (neg_eq<mode>): Remove condition and split-condition.
4054
4055 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4056
4057         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4058         Use associated print macros.
4059
4060 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4061
4062         PR c++/17964
4063         * diagnostic.c (diagnostic_set_info_translated): New function.
4064         (diagnostic_set_info): Use it.  Add comment.
4065         * diagnostic.h (diagnostic_set_info_translated): Declare.
4066
4067 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4068
4069         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4070         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4071         reference only if 'public' is true.
4072         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4073         emit the .hidden directive only if the indirect reference is public.
4074         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4075         Pass it to dw2_force_const_mem.
4076         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4077         * dwarf2out.c (output_cfi): Adjust calls to above function.
4078         (output_call_frame_info): Likewise.
4079         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4080         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4081
4082 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4083
4084         PR tree-optimization/24483
4085         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4086         field to elts if possible.
4087
4088 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4089
4090         PR middle-end/23155
4091         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4092         CONSTRUCTOR.
4093
4094 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4095
4096         Fix PR tree-optimization/24351
4097
4098         * tree-ssa-structalias.c (struct variable_info): Add
4099         collapsed_into.
4100         (get_varinfo_fc): New function to follow collapsing.
4101         (new_var_info): Set collapsed_to to NULL.
4102         (dump_constraint): Follow collapsing.
4103         (build_constraint_graph): Handle collapsing.
4104         (do_simple_structure_copy): Return false if something bad
4105         happened.
4106         (collapse_rest_of_var): New function.
4107         (do_structure_copy): Collapse if do_simple_structure_copy returns
4108         false.
4109
4110 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4111
4112         PR middle-end/24589
4113         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4114         expressions to a statement list instead of gimplifying them.
4115
4116 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4117
4118         PR rtl-optimization/23585
4119         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4120         that can't trap plus a constant integer, if the mode has zero size.
4121
4122 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4123
4124         PR target/24620
4125         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4126         as operand 2.
4127         ("*insv<mode>_reg_extimm"): Likewise.
4128
4129 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4130
4131         PR c/24329
4132         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4133         c_common_type_for_mode returns an unnamed type.
4134
4135 2005-11-02  Richard Henderson  <rth@redhat.com>
4136
4137         PR target/9350
4138         PR target/24374
4139         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4140         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4141         * function.c (assign_parms): Use calls.internal_arg_pointer.
4142         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4143         code.
4144         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4145         (TARGET_CALLS): Add it.
4146         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4147         * targhooks.c (default_internal_arg_pointer): New.
4148         * targhooks.h (default_internal_arg_pointer): Declare.
4149         * tree.h (dwarf2out_reg_save_reg): Declare.
4150         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4151         * config/i386/i386.c (dbx_register_map): Add return column.
4152         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4153         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4154         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4155         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4156         (ix86_save_reg): Save force_align_arg_pointer.
4157         (ix86_emit_save_regs): Make regno unsigned.
4158         (ix86_emit_save_regs_using_mov): Likewise.
4159         (ix86_expand_prologue): Handle force_align_arg_pointer.
4160         (ix86_expand_epilogue): Likewise.
4161         * config/i386/i386.h: (dbx_register_map): Update.
4162         (dbx64_register_map, svr4_dbx_register_map): Update.
4163         (struct machine_function): Add force_align_arg_pointer.
4164         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4165         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4166         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4167
4168 2005-11-02  Jan Hubicka  <jh@suse.cz>
4169
4170         PR target/23303
4171         * i386.md: Add peep2 for simplyfing array accesses.
4172
4173 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4174
4175         PR target/24615
4176         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4177         * config/s390/s390.c (s390_decompose_shift_count): New function.
4178         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4179         (print_shift_count_operand): Use s390_decompose_shift_count.
4180         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4181         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4182
4183 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4184
4185         PR target/24600
4186         * loop.c (loop_givs_rescan): Use force_operand to expand
4187         complex GIVs.
4188
4189 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4190
4191         PR 22429
4192         * fold-const.c (build_range_check): Use unsigned when signed
4193         overflow is undefined also.  If etype is subtype, make sure that
4194         the subtraction is in the supertype.
4195
4196 2005-11-02  Richard Henderson  <rth@redhat.com>
4197
4198         PR target/24178
4199         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4200         by MEM_ALIGN.
4201
4202 2005-11-01  Richard Henderson  <rth@redhat.com>
4203
4204         PR 21518
4205         * loop.c (scan_loop): Do not propagate computations to a hard
4206         register destination with SMALL_REGISTER_CLASSES.
4207
4208 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4209
4210         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4211         costs for MULT inside PLUS or MINUS.
4212
4213 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4214
4215         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4216         (TRAMPOLINE_SIZE): Round up to 60.
4217         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4218
4219 2005-10-31  James E. Wilson  <wilson@specifix.com>
4220
4221         PR debug/24444
4222         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4223         ifdef.  Put ifdefs around call in gen_subprogram_die.
4224         (compute_frame_pointer_to_cfa_displacement): Likewise.
4225         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4226         not defined.
4227
4228         PR rtl-optimization/17356
4229         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4230         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4231
4232 2005-10-31  Jan Hubicka  <jh@suse.cz>
4233
4234         PR middle-end/24093
4235         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4236
4237         PR target/20928
4238         * i386.c (legitimize_pic_address): Deal with large immediates.
4239
4240         PR profile/20815
4241         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4242         from symbol names while computing checkup.
4243
4244         PR profile/24487
4245         * predict.c (predict_loops): Do not estimate more than
4246         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4247         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4248
4249 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4250
4251         PR tree-optimization/19097
4252         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4253
4254 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4255
4256         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4257
4258 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4259
4260         PR middle-end/23492
4261         * tree-inline.c (setup_one_parameter): If the init_stmt
4262         is NULL, don't insert the statement.
4263
4264 2005-10-30  Jan Hubicka  <jh@suse.cz>
4265
4266         PR tree-optimization/24172
4267         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4268
4269 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4270
4271         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4272         constants for hosts with long != 32 bits.
4273
4274 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4275
4276         PR middle-end/24093
4277         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4278
4279 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4280
4281         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4282         (TARGET_MS1_16_002): New.
4283         (TARGET_MS1_16_003): New.
4284
4285         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4286         ("*decrement_and_branch_until_zero_no_clobber"): New.
4287         Add corresponding splitter for decrement_and_branch_until_zero
4288         instruction.
4289         Key all decrement_and_branch_until_zero patterns off of
4290         TARGET_MS1_16_003.
4291
4292 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4293
4294         PR middle-end/24362
4295         * tree-complex.c (extract_component): Treat RESULT_DECL
4296         like the rest of the decls.
4297
4298 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4299
4300         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4301         indirect call to _mcount if the function needs a static chain.
4302
4303 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4304             Caroline Tice  <ctice@apple.com>
4305
4306         PR rtl-optimization/24460
4307         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4308         (dwarf2out_switch_text_section): Set it to true instead of
4309         incrementing separate_line_info_table_in_use.
4310         (output_loc_list): Additionally test have_switched_text_sections.
4311         (output_ranges): Likewise.
4312         (dwarf2out_finish): Likewise.
4313         * varasm.c (assemble_start_function): Do not call
4314         insert_section_boundary_note.
4315         (assemble_end_function): If flag_reorder_blocks_and_partition,
4316         switch to the function's section before emitting the .size directive.
4317         * bb-reorder.c (insert_section_boundary_note): Staticify.
4318         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4319         * output.h (insert_section_boundary_note): Delete.
4320
4321 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4322
4323         PR c/23103
4324         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4325         instead of pointer equality when comparing types.
4326
4327 2005-10-24  James E. Wilson  <wilson@specifix.com>
4328
4329         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4330         add_dependence_list_and_free calls.
4331
4332 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4333
4334         * contrib.texi: Add the names of the LLNL folks who donated
4335         Cray pointer support for gfortran.
4336
4337 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4338
4339         PR tree-optimization/24225
4340         * profile.c (branch_prob): Look from end to start through a
4341         basic block when looking for a locus.
4342
4343 2005-10-24  Richard Henderson  <rth@redhat.com>
4344
4345         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4346         parallel.
4347         (hppa_expand_prologue): Likewise.
4348
4349 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4350
4351         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4352         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4353         * pa.h (NO_PROFILE_COUNTERS): Define.
4354         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4355         (funcdef_nos): New vector to hold label numbers of deferred profile
4356         counters.
4357         (output_deferred_profile_counters): New function.
4358         (hppa_profile_hook): Push label number onto funcdef_nos.
4359         (pa_hpux_file_end): Call output_deferred_profile_counters if
4360         NO_DEFERRED_PROFILE_COUNTERS is false.
4361
4362         * pa-protos.h (get_deferred_plabel): New prototype.
4363         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4364         Make global.
4365         (output_call): Adjust calls.
4366
4367 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4368
4369         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4370         peculiarity of GOT/TOC section usage.
4371
4372 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4373
4374         PR objc/24435
4375          * c-common.c (constant_string_class_name): Add documentation.
4376
4377 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4378
4379         PR target/23832
4380         * recog.c (peephole2_optimize): Increment peep2_current_count
4381         only when the slot is empty.
4382
4383 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4384
4385         PR ada/23957
4386         * except.c (output_function_exception_table): Call
4387         assemble_external_libcall if we need a personality function.
4388
4389 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4390
4391         PR rtl-optimization/24460
4392         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4393         set the basic block for barriers.
4394
4395 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4396
4397         * var-tracking.c (vt_initialize): Initialize post.
4398
4399 2005-10-21  Devang Patel  <dpatel@apple.com>
4400
4401         PR/24220
4402         * c-common.c (vector_types_convertible_p): Check vector element type.
4403
4404 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4405
4406         * config/sh/sh.c (prepare_move_operands): Handle the address
4407         constant which is a tls symbolic address plus a constant.
4408
4409 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4410
4411         PR driver/24473
4412         * gcc.c (main): Use the correct counter for erroring out
4413         about mulitple files.
4414
4415 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4416
4417         PR target/24465
4418         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4419         use r2 for 64-bit tls .got access.
4420
4421 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4422
4423         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4424         TRUTH_OR_EXPR.
4425
4426 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4427
4428         PR tree-optimization/24307
4429         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4430
4431 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4432
4433         PR middle-end/24295
4434         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4435         alias targets.
4436         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4437         is ready, stop marking functions, but still mark variables.
4438
4439 2005-10-20  Richard Guenther  <rguenther@suse.de>
4440
4441         PR c++/24439
4442         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4443         void type operands.
4444
4445 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4446
4447         PR rtl-optimization/23585
4448         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4449         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4450         (may_trap_p_1): New predicate extracted from...
4451         (may_trap_p): ... here.  Invoke may_trap_p_1.
4452         (may_trap_or_fault_p): New predicate.
4453         * rtl.h (may_trap_or_fault_p): Declare it.
4454         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4455         instead of may_trap_p.
4456         (steal_delay_list_from_fallthrough): Likewise.
4457         (fill_simple_delay_slots): Likewise.
4458         (fill_slots_from_thread): Likewise.
4459         * function.c (pad_to_arg_alignment): Rework comment about
4460         SPARC_STACK_BOUNDARY_HACK.
4461         * config/sparc/sparc.h: Likewise.
4462
4463 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4464
4465         * config/s390/s390.c (s390_expand_insv): New.
4466         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4467         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4468         ("icm_hi"): Remove mode attribute.
4469         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4470         Adjust all uses.
4471         ("*extracthi", "*extractqi"): Remove.
4472         (extv<mode>", "*extzv<mode>"): New.
4473         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4474         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4475
4476 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4477
4478         * cfgexpand.c (discover_nonconstant_array_refs_r,
4479         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4480         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4481         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4482         discover_nonconstant_array_refs.
4483
4484 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4485
4486         PR c/23228
4487         * c-decl.c (pop_scope): Don't warn about an unused variable
4488         if it is marked with TREE_NO_WARNING.
4489         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4490         somenow mismatch and olddecl is to be replaced.
4491
4492 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4493
4494         PR middle-end/23199
4495         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4496         whether registers live on the edge can be saved/restored.
4497
4498 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4499
4500         * config/sh/sh.c (fixup_mova): Skip notes.
4501
4502 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4503
4504         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4505         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4506         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4507         (s390_initial_elimination_offset): Likewise.
4508         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4509         register on TARGET_ZARCH targets.
4510         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4511         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4512         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4513         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4514
4515 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4516
4517         * config/s390/s390.md: Comment describing output modifiers updated.
4518         * config/s390/s390.c (print_operand): Likewise.
4519
4520 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4521
4522         * config/s390/s390.c (override_options): Added check for -mstack-size
4523         64k limitation.
4524         * doc/invoke.texi: Mention that limit in the documenation.
4525
4526 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4527
4528         PR #19672
4529         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4530
4531 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4532
4533         Fix PR tree-optimization/24231
4534
4535         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4536         (compute_avail): Ditto.
4537
4538 2005-10-18  Richard Henderson  <rth@redhat.com>
4539
4540         PR target/24428
4541         * config/i386/i386.c (legitimate_constant_p): Check
4542         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4543         if LABEL_REF.
4544         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4545         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4546         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4547         directly.
4548         (print_operand_address): Likewise.
4549         * config/i386/predicates.md (x86_64_immediate_operand): Test
4550         SYMBOL_REF_TLS_MODEL properly inside CONST.
4551         (x86_64_zext_immediate_operand): Likewise.
4552         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4553         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4554         * config/i386/i386-protos.h: Remove predicates.md entries.
4555
4556 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4557
4558         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4559         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4560
4561 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4562             Ian Lance Taylor <ian@airs.com>
4563
4564         PR middle-end/23522
4565         * fold-const.c (fold_widened_comparison): Do not allow range based
4566         constant folding when right operand cannot be unwidened.
4567
4568 2005-10-17  Richard Henderson  <rth@redhat.com>
4569
4570         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4571         with a memory clobber.
4572
4573 2005-10-17  James E Wilson  <wilson@specifix.com>
4574
4575         PR rtl-optimization/17356
4576         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4577         checking for EDGE_EH.
4578
4579 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4580
4581         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4582         the slot on an even boundary for any type with 16-byte alignment.
4583
4584 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4585
4586         PR target/23424
4587         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4588         after register allocation.
4589
4590 2005-10-17  DJ Delorie  <dj@redhat.com>
4591
4592         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4593         as frame related.
4594
4595 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4596
4597         PR c++/22551
4598         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4599         overflow flags.
4600
4601 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4602
4603         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4604         to 2 if it's already non-zero.
4605         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4606         is set and warn about it if flag_schedule_insns is 1.
4607
4608 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4609
4610         * config/crx/crx.md: Compare-and-branch instructions need to
4611         invalidate CC.
4612
4613 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4614
4615         PR target/24315
4616         * config/i386/i386.md (*pushdi2_rex64 splitter)
4617         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4618         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4619         flow2 pass only when (optimize > 0 && flag_peephole2).
4620
4621 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4622
4623         PR driver/22544
4624         * gcc.c (have_c): New static variable.
4625         (have_o): Likewise.
4626         (process_command): Remove declation of have_c.
4627         Set have_o to 1 when handling -o.
4628         (main): Add a fatel error if there are multiple
4629         files specified and -o and -c/-S is passed witout
4630         -combine or multiple languages.
4631
4632 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4633
4634         Fix PR tree-optimization/22444
4635         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4636         Assert that we don't hit something with subvars.
4637         (setup_pointers_and_addressables): Don't add things with subvars,
4638         because we'll already process the subvars for aliasing purposes.
4639
4640 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4641
4642         PR target/23424
4643         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4644         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4645         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4646         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4647         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4648         swapped, alternatives for the R constraint.
4649
4650         PR middle-end/24341
4651         * builtins.c (get_builtin_sync_mode): Make unlimited
4652         mode_for_size request.
4653
4654 2005-10-15  Richard Henderson  <rth@redhat.com>
4655
4656         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4657         (gimplify_expr): ... here.
4658         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4659         fb_lvalue in base expression.
4660
4661 2005-10-15  Richard Henderson  <rth@redhat.com>
4662
4663         PR 23714
4664         * builtins.c (expand_builtin_trap): Export.
4665         * expr.h (expand_builtin_trap): Declare.
4666         * expr.c (expand_assignment): Emit a trap for integral offsets
4667         from registers that weren't reduced to bitpos.
4668
4669         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4670         (mark_array_ref_addressable): Remove.
4671         * tree-flow.h (mark_array_ref_addressable): Remove.
4672         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4673
4674 2005-10-15  James E Wilson  <wilson@specifix.com>
4675
4676         PR target/24232
4677         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4678         (add_dependence_list_and_free): Likewise.
4679         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4680         call.
4681
4682 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4683
4684         PR 23141
4685         PR 23142
4686         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4687         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4688         anti-range.
4689         (vrp_visit_phi_node): Only prevent infinite iterations when
4690         the previous result and the new result are both VR_RANGEs.
4691
4692 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4693
4694         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4695         function comment.
4696
4697 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4698
4699         PR c/23439
4700         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4701         to initialize loc.
4702
4703 2005-10-14  Per Bothner  <per@bothner.com>
4704
4705         PR preprocessor/21250
4706         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4707
4708 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4709
4710         PR c++/22551
4711         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4712         overflow flags.  Refactor some conditionals.
4713
4714 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4715
4716         PR tree-opt/21304
4717         * tree-dfa.c (add_referenced_var): Only look at decls which
4718         have TREE_CONSTANT or TREE_READONLY set instead of if
4719         !TREE_PUBLIC or !TREE_CONSTANT.
4720
4721 2005-10-13  James E Wilson  <wilson@specifix.com>
4722
4723         * doc/invoke.texi: For -x, add f95-cpp-input.
4724         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4725
4726 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4727
4728         PR tree-optimization/24262
4729         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4730         in loop all the time.
4731
4732 2005-10-12  Richard Henderson  <rth@redhat.com>
4733
4734         PR c/24255
4735         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4736         * function.c (assign_parm_find_data_types): Don't support it.
4737         * print-tree.c (print_node): Likewise.
4738         * c-common.c (handle_transparent_union_attribute): Likewise.
4739         Use build_duplicate_type.
4740         * tree-inline.c (remap_type_1): Split out of remap_type;
4741         properly remap aggregate fields.
4742         (build_duplicate_type): New.
4743         * doc/extend.texi (Variable Attributes): Remove documentation
4744         for transparent_union.
4745
4746 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4747
4748         PR target/24284
4749         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4750         (gen_stack_pointer_dec): Likewise.
4751
4752 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4753
4754         PR middle-end/21275
4755         PR middle-end/21766
4756         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4757         target hook.
4758         (struct cxx): Add adjust_class_at_definition target hook.
4759         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4760         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4761         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4762         hook_void_tree. Add to TARGET_CXX.
4763         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4764         dllimport_flag.
4765         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4766         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4767         instead of attribute. Check for dllexport override.  Warn if
4768         inconsistent dll linkage. Don't lose old dllimport if decl has
4769         had address referenced.   Tweak lookup of dllimport atribute.
4770         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4771         for target specific rules.  Don't add dllimport attribute if
4772         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4773         dllimport attribute.
4774         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4775         * varasm.c (initializer_constant_valid_p): Replace
4776         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4777
4778         PR target/21801
4779         PR target/23589
4780         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4781         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4782         (i[34567]86-*-mingw32*): Likewise.
4783
4784         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4785         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4786
4787         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4788         C++-specific code. Change return value to bool.
4789         (i386_pe_dllimport_p): Likewise.
4790         (associated_type): Simplify and make language-independent
4791         (i386_pe_encode_section_info): Replace override of ambiguous
4792         dllimport symbol refs with a gcc_assert.
4793         (i386_pe_valid_dllimport_attribute_p): Define.
4794         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4795         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4796         i386_pe_adjust_class_at_definition.
4797         * config/i386/winnt-stubs.c: New file. Define stub versions of
4798         lang-specific functions.
4799         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4800         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4801         i386_pe_adjust_class_at_definition.
4802         (i386_pe_valid_dllimport_attribute_p): Declare.
4803         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4804         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4805         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4806
4807         PR target/19704
4808         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4809         dllimport attribute with test of DECL_DLLIMPORT_P.
4810
4811 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4812
4813         * combine.c (make_extraction): Correct offset computation.
4814
4815 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4816
4817         * config/cris/t-linux (LIMITS_H_TEST): Define.
4818
4819 2005-10-12  Richard Henderson  <rth@redhat.com>
4820
4821         PR rtl-opt/23324
4822         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4823
4824 2005-10-12  Richard Guenther  <rguenther@suse.de>
4825
4826         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4827
4828 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4829
4830         PR c++/19964
4831         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4832         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4833         type.
4834
4835 2005-10-12  Richard Guenther  <rguenther@suse.de>
4836
4837         PR c++/23799
4838         * varasm.c (output_constant): Correct typo from previous
4839         patch by DJ.
4840
4841 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4842
4843         PR rtl-optimization/13931
4844         * combine.c: Revert patch of 2003-05-14, and:
4845         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4846         completely killed in the appropriate insn.
4847         (distribute_notes): Don't skip multiple hard register test for
4848         elim_i1 and elim_i2.
4849
4850 2005-10-11  Richard Henderson  <rth@redhat.com>
4851
4852         PR c/24255
4853         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4854         to initialize a transparent union instead of a nop_expr.
4855
4856 2005-10-11  Richard Henderson  <rth@redhat.com>
4857
4858         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4859         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4860         (tree_ssa_dce_loop): Call scev_reset.
4861
4862         PR tree-opt/24300
4863         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4864         * tree-ssa-dce.c: Include cfgloop.h.
4865         (tree_ssa_dce_loop, pass_dce_loop): New.
4866         * tree-pass.h (pass_dce_loop): Declare it.
4867         * passes.c (init_optimization_passes): Use it.
4868
4869 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4870
4871         PR middle-end/24263
4872         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4873         Only apply the optimization for rounding builtins if the inner
4874         cast is also an extension.
4875
4876 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4877
4878         PR tree-opt/23946
4879         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4880         mark_new_vars_to_rename instead of update_stmt.
4881
4882 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4883
4884         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4885
4886 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4887
4888         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4889         for setting MMX register to 0 rather than mmx.
4890
4891 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4892
4893         PR target/12098
4894         * configure.ac: Move gas check from mips specific case to common case.
4895         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4896         * configure: Regenerate
4897         * doc/install.texi: Update.
4898
4899 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4900
4901         PR target/24284
4902         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4903
4904 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4905
4906         * gcc.c (do_spec_1): Accept numeric characters in file name
4907         suffixes.
4908
4909 2005-10-10  Nick Clifton  <nickc@redhat.com>
4910
4911         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4912         describing the deleted arm_gen_rotated_half_load function.
4913
4914 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4915
4916         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4917         __fpscr_values.
4918
4919 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4920
4921         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4922         gnu_ld assignments.
4923         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4924         (EXTRA_MULTILIB_PARTS): Define.
4925         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4926         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4927         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4928         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4929         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4930         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4931
4932 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4933
4934         PR tree-optimization/24226
4935         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4936         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4937         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4938         Export.
4939
4940 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4941
4942         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4943
4944 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4945
4946         PR target/24136
4947         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4948         Rewrite for no need for the early clobber.
4949
4950 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4951
4952         Merge from csl-arm-branch:
4953         2005-09-07  Paul Brook  <paul@codesourcery.com>
4954         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4955         space to string.
4956
4957         2005-04-30  Paul Brook  <paul@codesourcery.com>
4958         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4959         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4960
4961         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4962         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4963         (arm_override_options): Use TARGET_AAPCS_BASED.
4964         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4965         (PTRDIFF_TYPE): Use int for AAPCS.
4966         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4967         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4968         (DEFAULT_SHORT_ENUMS): Delete.
4969         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4970
4971         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4972         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4973         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4974         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4975
4976         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4977         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4978
4979         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4980         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4981
4982         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4983         * config.gcc (arm*-*-linux-gnueabi): Add it.
4984         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4985         redefining it.
4986         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4987         * config/arm/linux-eabi.h: New file.
4988         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4989         (LINUX_TARET_LINK_SPEC): Likewise.
4990         (LINK_SPEC): Use it.
4991         * config/arm/t-linux-eabi: New file.
4992
4993 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4994
4995         PR other/22202
4996         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4997         spaces.
4998         (PARAM_SMS_DFA_HISTORY): Likewise.
4999
5000 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5001
5002         PR middle-end/23150
5003         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5004         (load_register_parameters): Call it.
5005         (check_sibcall_argument_overlap_1): Likewise.
5006         (store_one_arg): Likewise.
5007
5008 2005-10-07  James E. Wilson  <wilson@specifix.com>
5009
5010         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5011         DImode not VECINT24 for operand 2.
5012
5013         PR target/23644
5014         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5015         -mtune-arch.
5016
5017         PR target/24193
5018         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5019         fr_spill): Use destination_operand for operand 0.
5020
5021 2005-10-07  DJ Delorie  <dj@redhat.com>
5022
5023         * varasm.c (output_constant): Limit error to expanding
5024         conversions.
5025
5026 2005-10-07  Richard Guenther  <rguenther@suse.de>
5027
5028         PR middle-end/24227
5029         * fold-const.c (fold_binary): Fix operand types during folding
5030         of X op (A, Y).  Evaluation order of the side-effects of
5031         X and A are frontend-defined, so ensure we honour that even for
5032         tcc_comparison class operands; eased by removing duplicate code.
5033
5034 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5035
5036         * stor-layout.c (layout_type): Do not allow alignment of array
5037         elements to be greater than their size.
5038
5039 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5040
5041         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5042         host_xmake_file.
5043         (hppa*-*-linux*): Ditto.
5044         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5045         * config/host-hpux.c: New.
5046         * config/x-hpux: New.
5047         * config/pa/x-hpux: Remove.
5048         * config/pa/x-linux: Remove.
5049         * config/pa/pa-host.c: Remove.
5050
5051 2005-10-07  Jeff Law  <law@redhat.com>
5052
5053         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5054         determine whether or not to try and thread outgoing edges.
5055
5056 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5057
5058         * config/rs6000/rs6000.md (eqsi_power): New.
5059         (neg_eq0si): Add TARGET_POWER to final condition.
5060         (neg_eqsi): Same.
5061
5062 2005-10-06  Richard Henderson  <rth@redhat.com>
5063
5064         * config/rs6000/rs6000.c: Revert last change.
5065
5066 2005-10-06  Richard Henderson  <rth@redhat.com>
5067
5068         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5069         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5070
5071 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5072
5073         PR middle-end/22216
5074         PR middle-end/23651
5075         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5076         out return_label and naked_return_label.
5077
5078 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5079
5080         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5081         change.
5082
5083 2005-10-06  Richard Henderson  <rth@redhat.com>
5084
5085         PR tree-opt/22237
5086         * tree-inline.c (declare_return_variable): Handle modify_dest not
5087         being a DECL.
5088
5089 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5090
5091         Fix PR tree-optimization/22488
5092         * tree-ssa-structalias.c (check_for_overlaps): New function.
5093         (create_variable_info_for): Use it.
5094
5095 2005-10-06  Richard Henderson  <rth@redhat.com>
5096
5097         PR debug/24070
5098         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5099         (dwarf2out_start_source_file): Print it.
5100
5101 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5102
5103         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5104
5105 2005-10-06  Richard Henderson  <rth@redhat.com>
5106
5107         PR 23706
5108         * mode-switching.c (optimize_mode_switching): Clear transp bit
5109         for block with incomming abnormal edges.
5110
5111         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5112         (fpscr_set_from_mem): Use them.
5113         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5114         (fpscr postinc splitters): Rewrite as peephole2+split.
5115
5116 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5117
5118         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5119         (eq<mode>_compare): Same.
5120
5121 2005-10-06  Richard Guenther  <rguenther@suse.de>
5122
5123         PR tree-optimization/24238
5124         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5125
5126 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5127
5128         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5129         here.  Use AC_PATH_PROG for environment variables instead of
5130         test -x.
5131         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5132         objdump also.
5133         * configure: Regenerated.
5134
5135 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5136
5137         PR target/23783
5138         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5139         then force it into a register.
5140         (call_value): Likewise.
5141
5142 2005-10-06  Richard Henderson  <rth@redhat.com>
5143
5144         PR 24049
5145         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5146         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5147         under pass_vectorize.
5148
5149 2005-10-05  Devang Patel  <dpatel@apple.com>
5150
5151         PR Debug/23205
5152         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5153         handling constants. Check NAMESPACE_DECL context for constants.
5154
5155 2005-10-05  Eric Christopher  <echristo@apple.com>
5156
5157         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5158
5159 2005-10-05  Richard Henderson  <rth@redhat.com>
5160
5161         PR 23714
5162         * tree-cfg.c (mark_array_ref_addressable_1): New.
5163         (mark_array_ref_addressable): New.
5164         * tree-flow.h (mark_array_ref_addressable): Declare.
5165         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5166
5167 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5168
5169         PR middle-end/20606
5170         PR middle-end/24069
5171         * reload.c (subst_reloads): When adding a REG_LABEL to a
5172         jump instruction, also update JUMP_LABEL.
5173
5174 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5175
5176         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5177         * bb-reorder.c (copy_bb_p): Use it.
5178         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5179
5180 2005-10-05  Richard Henderson  <rth@redhat.com>
5181
5182         PR target/23602
5183         * toplev.c (process_options): Warn about unsupported combinations
5184         of unwind tables and omit-frame-pointer.
5185         * config/i386/i386.c (override_options): Similarly.  Enable
5186         accumulate-outgoing-args if not explicitly disabled.
5187
5188 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5189
5190         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5191         Handle big endian vs. small endian.
5192         (vec_initv2sf): Handle big endian vs. small endian.
5193         (*vec_extractv2sf_1): Ditto.
5194
5195 2005-10-05  Dale Johannesen  <dalej@apple.com>
5196
5197         * convert.c (convert_to_real):  Don't convert
5198         (float)floor(double d) to floorf((float)d).
5199
5200 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5201
5202         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5203
5204 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5205
5206         PR tree-optimization/18587
5207         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5208         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5209         build_vuses): Change to VEC type.
5210         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5211         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5212         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5213         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5214         (get_name_decl): New.  Return DECL_UID of base variable.
5215         (operand_build_cmp): New.  qsort comparison routine.
5216         (operand_build_sort_virtual): New.  Sort virtual build vector.
5217         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5218         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5219         (FINALIZE_BASE): Use get_name_decl.
5220         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5221         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5222         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5223         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5224         direct VEC_* manipulations.
5225         (build_ssa_operands): Call operand_build_sort_virtual.
5226         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5227         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5228         with direct VEC_* manipulations.
5229         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5230         with direct VEC manipulations.
5231
5232 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5233
5234         PR tree-optimization/21419
5235         PR tree-optimization/24146
5236         PR tree-optimization/24151
5237
5238         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5239         (build_asm_expr): Call it if outputs are read-only.
5240         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5241
5242 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5243             Paolo Bonzini  <bonzini@gnu.org>
5244
5245         PR target/23809
5246
5247         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5248         enable the instructions and not just the built-ins.
5249         * doc/invoke.texi (x86 Options): Likewise.
5250
5251 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5252
5253         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5254
5255         * doc/invoke.texi (Option Summary): Correct spelling
5256         of -mmacosx-version-min.
5257
5258 2005-10-04  Devang Patel  <dpatel@apple.com>
5259
5260         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5261         real types.
5262
5263 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5264
5265         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5266         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5267
5268 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5269
5270         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5271         ("TE","tg"): New mode attributes.
5272         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5273         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5274         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5275         dword_mode and one for GPRmode.
5276
5277 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5278
5279         PR preprocessor/13726
5280         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5281         any comments passed in.
5282
5283 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5284
5285         * tree.c (annotate_with_file_line): Fix typo.
5286
5287 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5288
5289         PR ada/19382
5290         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5291         type used to access data in the inlined length == 1 case, use
5292         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5293         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5294
5295 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5296
5297         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5298         TARGET_SSE3 and only for TARGET_80387.
5299         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5300         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5301         Do not depend on TARGET_80387.
5302
5303 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5304
5305         * tree.c (last_annotated_node): Change type to location_t*.
5306         (annotate_with_file_line): Reflect the change of
5307         last_annotated_node type.
5308
5309 2005-10-04  Richard Guenther  <rguenther@suse.de>
5310
5311         PR c/23576
5312         * c-decl.c (grokdeclarator): Don't write to fields
5313         of error_mark_node.
5314
5315 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5316
5317         PR middle-end/23125
5318         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5319         register variables.
5320         * varasm.c (make_decl_rtl): If a register variable does not
5321         have a set user assmbler name, error out.
5322         Decode the asmspec is now name+1 bypassing '*'.
5323
5324 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5325
5326         PR tree-optimization/23049
5327         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5328         of a COND_EXPR is folded before calling fold on the whole rhs of a
5329         conditional assignment.
5330         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5331         document that a COND_EXPR may appear there.
5332
5333 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5334
5335         PR 23445
5336         * tree-vrp.c (extract_range_from_assert): If the new numeric
5337         range created out of the assertion contradicts the existing
5338         numeric range of the ASSERT_EXPR variable, make the new range
5339         varying.
5340
5341 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5342
5343         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5344         from T_REGS to FP register class.
5345
5346 2005-10-03  Richard Henderson  <rth@redhat.com>
5347
5348         PR 24135
5349         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5350         before creating a new one.
5351
5352 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5353
5354         * config/rs6000/t-aix43 (LDFLAGS): New.
5355         * config/rs6000/t-aix52 (LDFLAGS): New.
5356
5357 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5358
5359         * gimplify.c (find_single_pointer_decl_1): New static function.
5360         (find_single_pointer_decl): New static function.
5361         (internal_get_tmp_var): For a formal variable, set restrict base
5362         information if appropriate.
5363         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5364         return it.
5365         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5366         (DECL_GET_RESTRICT_BASE): Define.
5367         (SET_DECL_RESTRICT_BASE): Define.
5368         (decl_restrict_base_lookup): Declare.
5369         (decl_restrict_base_insert): Declare.
5370         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5371         * tree.c (restrict_base_for_decl): New static variable.
5372         (init_ttree): Initialize restrict_base_for_decl.
5373         (copy_node_stat): Copy restrict base information.
5374         (decl_restrict_base_lookup): New function.
5375         (decl_restrict_base_insert): New function.
5376         (print_restrict_base_statistics): New static function.
5377         (dump_tree_statistics): Call print_restrict_base_statistics.
5378
5379 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5380
5381         PR 24142
5382         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5383         case of anti-ranges.
5384
5385 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5386
5387         PR c/18851
5388         * c-typeck.c (tagged_tu_seen): Rename to ...
5389         (tagged_tu_seen_cache): this and add val field.
5390         (comptypes): Move functional to comptypes_internal
5391         and free tagged_tu_seen.
5392         (comptypes_internal): New function and call comptypes_internal
5393         instead of comptypes. Speed up by sibcalling
5394         tagged_types_tu_compatible_p.
5395         (alloc_tagged_tu_seen): New function
5396         (free_all_tagged_tu_seen_up_to): New function.
5397         (tagged_types_tu_compatible_p): Return the val of the seen two
5398         types.
5399         Add that the two types are the same to tagged_tu_seen_base
5400         if they are and call comptypes_internal instead of comptypes.
5401         <case UNION_TYPE>: Speed up common type where the fields are
5402         in the same order.
5403         (function_types_compatible_p): Call comptypes_internal instead of
5404         comptypes.
5405         (type_lists_compatible_p): Likewise.
5406         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5407
5408 2005-10-02  Matthias Klose  <doko@debian.org>
5409
5410         * doc/invoke.texi: Fix typo and speling error.
5411
5412 2005-10-01  Richard Henderson  <rth@redhat.com>
5413
5414         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5415
5416 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5417
5418         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5419         using --start-group and --end-group.
5420
5421 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5422
5423         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5424         FIXME note regarding quirky semantics.
5425
5426 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5427
5428         PR 24141
5429         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5430         non-null range as a last resort.
5431
5432 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5433             Diego Novillo  <dnovillo@redhat.com>
5434
5435         PR 23604
5436         * tree-vrp.c (extract_range_from_assert): For !=
5437         assertions, only build an anti-range if LIMIT is a
5438         single-valued range.
5439
5440 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5441
5442         * arm.md (movqi): On thumb when optimizing, handle loading from
5443         memory by describing this as taking a subreg of a zero-extended load
5444         into an SImode register.
5445         (movhi): Likewise.
5446
5447 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5448
5449         * reload1.c (merge_assigned_reloads): Do not change any
5450         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5451
5452 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5453
5454         * Makefile.in (LIPO_FOR_TARGET): Define.
5455         (STRIP_FOR_TARGET): Define.
5456
5457         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5458         before creating new ones.  Do symlinks before creating the actual
5459         targets.
5460
5461         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5462         to work out which multilibs are actually being built.
5463
5464 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5465
5466         * tree-vect-transform.c, config/ms1/ms1.md,
5467         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5468         Follow spelling conventions.
5469         * doc/invoke.texi, doc/md.texi: Fix typos.
5470
5471 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5472
5473         PR tree-optimization/21430
5474         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5475         use operands, and set stmt pointer if need be.
5476         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5477         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5478         present.
5479
5480 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5481
5482         PR middle-end/24053
5483         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5484
5485 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5486
5487         * optabs.c (expand_binop): Initialize first_pass_p.
5488
5489 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5490
5491         PR middle-end/24109
5492         * c-decl.c (c_write_global_declarations_1): If any
5493         wrapup_global_declaration_2 call returned true, restart the loop.
5494
5495 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5496
5497         Fix PR tree-optimization/24117
5498         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5499         before considering whether to use anyoffset.
5500
5501 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5502
5503         Revert this patch:
5504
5505         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5506
5507         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5508         to order operands.
5509         (swap_commutative_operands_with_target): New.
5510
5511 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5512
5513         PR c/21419
5514         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5515         read-only.
5516
5517 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5518
5519         PR tree-optimization/23911
5520         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5521         and IMAGPART_EXPR too.
5522
5523 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5524
5525         PR 17886
5526         * expmed.c (expand_shift): Move logic to reverse rotation
5527         direction when  rotating by constants ...
5528         * optabs.c (expand_binop): ... here.
5529         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5530         (ix86_rotrdi3): New pattern.
5531         (rotldi3): Handle 32-bit mode.
5532         (ix86_rotldi3): New pattern.
5533
5534 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5535
5536         PR target/24102
5537         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5538         check for numbers that need no bit twiddle.
5539
5540 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5541
5542         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5543         multilib to be built.
5544
5545         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5546         (stage1-start): Delete old libgcc and libunwind before moving
5547         anything into the stage directory.
5548         (stage2-start): Likewise.
5549         (stage3-start): Likewise.
5550         (stage4-start): Likewise.
5551         (stageprofile-start): Likewise.
5552         (stagefeedback-start): Likewise.
5553         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5554         header in tm_file and CPU-specific t-darwin in tmake_file.
5555         (i[34567]86-*-darwin*): Don't change tm_file.
5556         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5557         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5558         shared library stub for target OS version.
5559         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5560         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5561         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5562         (libgcc_s.%.dylib): New.
5563         (LIBGCC): Define.
5564         (install-darwin-libgcc-stubs): New.
5565         (INSTALL_LIBGCC): New append.
5566         * config/i386/darwin-libgcc.10.4.ver: New.
5567         * config/i386/darwin-libgcc.10.5.ver: New.
5568         * config/i386/t-darwin: New.
5569         * config/rs6000/darwin-libgcc.10.4.ver: New.
5570         * config/rs6000/darwin-libgcc.10.5.ver: New.
5571         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5572         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5573
5574 2005-09-28  Paul Brook  <paul@codesourcery.com>
5575
5576         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5577         denormals.
5578
5579 2005-09-28  Richard Guenther  <rguenther@suse.de>
5580
5581         PR tree-optimization/23853
5582         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5583         host_integerp to verify misalignment value.
5584
5585 2005-09-28  Richard Henderson  <rth@redhat.com>
5586
5587         * builtins.c (get_builtin_sync_mode): New.
5588         (expand_builtin_sync_operation): Pass in mode argument.
5589         (expand_builtin_compare_and_swap): Likewise.
5590         (expand_builtin_lock_test_and_set): Likewise.
5591         (expand_builtin_lock_release): Likewise.
5592         (expand_builtin): Update to match.
5593
5594 2005-09-28  Nick Clifton  <nickc@redhat.com>
5595
5596         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5597         formatting.  Add check to PLUS case to ensure that the offset is
5598         within an acceptable range.
5599
5600         * config/v850/v850.md (casesi): Disable the generation of the
5601         switch pattern as it is not being handled properly at the moment.
5602
5603         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5604         for when the high words are identical.
5605
5606 2005-09-27  Richard Henderson  <rth@redhat.com>
5607
5608         * pretty-print.c (pp_base_format): Fix typo for %>.
5609
5610 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5611             Devang Patel  <dpatel@apple.com>
5612
5613         PR tree-optimization/23625
5614         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5615         LABEL_EXPR, assertion check.
5616
5617 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5618
5619         * optabs.c (no_conflict_move_test): Check if a result of a
5620         to-be-moved insn would be clobbered by an originally
5621         preceding insn.
5622
5623 2005-09-27  Jeff Law  <law@redhat.com>
5624
5625         * passes.c (init_optimization_passes): Replace copy propagation
5626         passes immediately after DOM with phi-only copy propagation
5627         pases.  Add phi-only copy propagation pass after first DOM pass.
5628         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5629         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5630         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5631         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5632         to init_copy_prop.  Callers updated.
5633         (do_phi_only_copy_prop): New function.
5634         (pass_phi_only_copy_prop): New pass descriptor.
5635
5636 2005-09-27  Nick Clifton  <nickc@redhat.com>
5637
5638         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5639
5640 2005-09-26  Jason Merrill  <jason@redhat.com>
5641
5642         PR c++/13764
5643         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5644
5645         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5646
5647 2005-09-26  James E Wilson  <wilson@specifix.com>
5648
5649         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5650         copyright.  Add gcc copyright plus libgcc exception.
5651         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5652         copyright.
5653         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5654
5655 2005-09-26  Jeff Law  <law@redhat.com>
5656
5657         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5658         about when to iterate.
5659
5660 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5661
5662         PR target/23847
5663         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5664         for __complex__ double in -mcpu=G5 mode.
5665
5666 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5667
5668         PR tree-optimization/23942
5669         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5670         * tree-scalar-evolution.c: Include params.h.
5671         (t_bool): New enum.
5672         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5673         follow_ssa_edge_in_condition_phi_branch,
5674         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5675         Change return type to t_bool.  Use a parameter to limit the size of
5676         trees that are walked before stopping
5677         (analyze_evolution_in_loop): Initialize the limit to 0.
5678         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5679         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5680
5681 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5682
5683         PR middle-end/23831
5684         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5685         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5686
5687 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5688
5689         * combine.c (make_extraction): Check for valid use of subreg.
5690
5691 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5692
5693         PR target/24055
5694         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5695         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5696         ("fist<mode>2_with_temp"): Use only register operands.
5697
5698 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5699
5700         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5701         CALL_INSN_FUNCTION_USAGE.
5702
5703 2005-09-26  Richard Guenther  <rguenther@suse.de>
5704
5705         PR middle-end/15855
5706         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5707         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5708         (ldst_entry): Use the hashtable instead of list-walking.
5709         (find_rtx_in_ldst): Likewise.
5710         (free_ldst_entry): Free the hashtable.
5711         (compute_ld_motion_mems): Create the hashtable.
5712         (trim_ld_motion_mems): Remove entry from hashtable if
5713         removing it from list.
5714         (compute_store_table): Likewise^2.
5715         (store_motion): Free hashtable in case we did not see
5716         any stores.
5717
5718 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5719
5720         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5721         and arg1 if we are passing them to fold_build2.
5722
5723 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5724
5725         PR 23828
5726         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5727         a nested function.
5728
5729 2005-09-25  Richard Henderson  <rth@redhat.com>
5730
5731         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5732         SYMBOL_REF_TLS_MODEL to be correct.
5733
5734 2005-09-24  Richard Henderson  <rth@redhat.com>
5735
5736         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5737         end of function.  Reindent.
5738
5739 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5740
5741         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5742         NEGATE_EXPR/BIT_NOT_EXPR case.
5743
5744 2005-09-24  Richard Henderson  <rth@redhat.com>
5745
5746         * c-common.c (handle_mode_attribute): When not modifying in place,
5747         create subtypes for enumerations.
5748         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5749         * gimplify.c (create_tmp_from_val): Likewise.
5750
5751 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5752
5753         * config/i386/i386.md (*tls_global_dynamic_64,
5754         *tls_local_dynamic_base_64): Add missing mode to call.
5755         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5756
5757 2005-09-24  Jan Hubicka  <jh@suse.cz>
5758
5759         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5760         (cgraph_clone_node): Likewise.
5761         * cgraph.h (cgraph_clone_edge): Update prototype.
5762         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5763         duplicated prototypes; add updating argument.
5764         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5765         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5766         updating profile.
5767         (cgraph_mark_inline_edge): Likewise.
5768         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5769         (cgraph_flatten_node): Likewise.
5770         (cgraph_decide_recursive_inlining): Likewise.
5771         (cgraph_decide_inlining_of_small_function): Likewise.
5772         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5773
5774 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5775             Pete Steinmetz <steinmtz@us.ibm.com>
5776
5777         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5778         (rldic.): Set type to "compare".
5779         (rldicr.): Same.
5780         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5781         mfjmpr for MFCTR/MFLR.
5782         (movdf_hardfloat64): Same.
5783         (movdf_softfloat64): Same.  Correct order of store and move types.
5784         (movti_string): Set type to store_ux/load_ux.
5785         (load_multiple): Set type to load_ux.
5786         (store_multiple): Set type to store_ux.
5787         (movmemsi): Set type to store_ux.
5788         (output_cbranch direct_return): Set type to jmpreg.
5789         (stmw): Set type to store_ux.
5790         (lmw): Set type to load_ux.
5791         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5792         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5793         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5794         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5795         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5796         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5797         (rios1-fpstore): Increase latency to 3.
5798         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5799         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5800
5801 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5802             Andrew Pinski  <pinskia@physics.uc.edu>
5803
5804         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5805         operand2 constraint to "b".
5806         (sync_<fetchop_name>di_internal): Same.
5807         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5808         to "b".
5809         (sync_old_<fetchop_name>di_internal): Same.
5810         (sync_new_<fetchop_name>si_internal): Same.
5811         (sync_new_<fetchop_name>di_internal): Same.
5812
5813 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5814
5815         PR middle-end/23991
5816         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5817         case, define as macros.
5818
5819         PR rtl-optimization/23837
5820         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5821         clobber / clobber match between dest and p->first.
5822
5823         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5824         (no_conflict_move_test): Update comments.
5825
5826 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5827
5828         * doc/install.texi: Update URL for Jacks.
5829         * doc/sourcebuild.texi: Likewise.
5830
5831 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5832
5833         PR target/24007
5834         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5835         registers when choosing register preferences.
5836         (movdf_hardfloat64): Same.
5837
5838 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5839
5840         * expmed.c (expand_shift): Don't use the target of the rotate as
5841         target for the first expanded shift insn.
5842         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5843
5844 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5845
5846         PR tree-optimization/22438
5847         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5848         preserved iv rhs rewriting specially.
5849
5850 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5851
5852         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5853         estimate_only  is true.
5854         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5855         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5856         tree-ssa-structalias.c
5857         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5858         ref_contains_indirect_ref.
5859         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5860
5861 2005-09-21  DJ Delorie  <dj@redhat.com>
5862
5863         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5864         MASK_PTR_A0D0.
5865         (mn10300_return_in_memory): Support variable size types also.
5866         (mn10300_pass_by_reference): Likewise.
5867         (mn10300_function_value): New.
5868         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5869         (FUNCTION_OUTGOING_VALUE): Likewise.
5870         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5871         * doc/invoke.texi: Document it.
5872
5873 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5874
5875         PR target/22585
5876         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5877         force integer op1 into register for XFmode compares.
5878
5879 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5880
5881         PR middle-end/23971
5882         * expmed.c (alg_code): Add alg_impossible.
5883         (alg_hash_entry): Add cost.
5884         (synth_mult): Record alg_impossible in the hash table if
5885         multiplication by a given integer is impossble within the
5886         limit.  Speed up using alg_impossible.
5887
5888 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5889
5890         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5891         argument.  Allow and set any offset if needs_anyoffset is passed
5892         in.
5893         (get_constraint_for): Add argument here too.
5894         Pass it down.
5895         (do_structure_copy): Pass NULL to get_constraint_for.
5896         (handle_ptr_arith): Ditto.
5897         (find_func_aliases): Ditto.
5898
5899 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5900
5901         PR rtl-optimization/23898
5902         * output.h (get_attr_min_length): Declare.
5903         * final.c (get_attr_length_1): New function, broken out of:
5904         (get_attr_length).
5905         (get_attr_min_length): New function.
5906         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5907         (duplicate_computed_gotos): Likewise.
5908         * genattr.c (insn_min_length): Generate declaration.
5909         * genattrtab.c (min_fn, min_attr_value): New functions.
5910         (make_length_attrs): Generate insn_min_length.
5911
5912 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5913
5914         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5915
5916 2005-09-20  Richard Henderson  <rth@redhat.com>
5917
5918         PR tree-optimization/24059
5919         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5920         EXPAND_STACK_PARM.
5921
5922 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5923
5924         * c.opt (fextended-identifiers): New.
5925         * c-opts.c (c_common_handle_option): Handle
5926         -fextended-identifiers.
5927         * doc/cpp.texi: Update documentation of extended identifiers.
5928         * doc/cppopts.texi (-fextended-identifiers): Document.
5929
5930 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5931
5932         PR tree-optimization/23929
5933         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5934         if expr is NULL.
5935
5936         PR tree-optimization/23818
5937         * tree-stdarg.c (execute_optimize_stdarg): Call
5938         calculate_dominance_info.
5939
5940 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5941
5942         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5943         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5944         (compute_overlap_steps_for_affine_1_2): Use
5945         get_number_of_iters_for_loop.
5946         (analyze_subscript_affine_affine): Check whether difference is
5947         zero first.
5948         Use get_number_of_iters_for_loop.
5949         Check whether overlap occurs outside of bounds.
5950         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5951
5952 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5953
5954         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5955         base register if possible.
5956
5957 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5958
5959         PR tree-optimization/18463
5960         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5961         converting it directly is not possible.
5962         (chrec_convert_aggressive): New function.
5963         * tree-chrec.h (chrec_convert_aggressive): Declare.
5964         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5965         Fold chrec conversions aggressively if asked to.
5966         (instantiate_parameters): Modified because of changes in
5967         instantiate_parameters_1.
5968
5969 2005-09-19  Richard Henderson  <rth@redhat.com>
5970
5971         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5972         (reduc_splus_v2df): New.
5973
5974 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5975
5976         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5977         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5978
5979 2005-09-19  Richard Henderson  <rth@redhat.com>
5980
5981         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5982         vcondu<SSEMODE12>.
5983
5984 2005-09-19  Richard Henderson  <rth@redhat.com>
5985
5986         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5987         (ia64_expand_dot_prod_v8qi): New.
5988         * config/ia64/ia64-protos.h: Update.
5989         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5990         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5991         sdot_prodv8qi, sdot_prodv4hi): New.
5992         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5993
5994 2005-09-19  Richard Henderson  <rth@redhat.com>
5995
5996         PR 23941
5997         * real.c (exact_real_truncate): Return false if the format cannot
5998         represent the number as a normal.
5999
6000         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6001         for a memory source.
6002
6003 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6004
6005         * tree-ssa-operands.c (swap_tree_operands): Export.
6006         * tree.h (swap_tree_operands): Declare.
6007         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6008         Call swap_tree_operands.
6009
6010 2005-09-19  Richard Henderson  <rth@redhat.com>
6011
6012         * tree-flow.h (merge_alias_info): Declare.
6013         * tree-ssa-copy.c (merge_alias_info): Export.
6014         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6015         (vect_create_data_ref_ptr): Use create_iv directly.
6016         (vectorizable_load): Use correct types for integer constants.
6017         (vect_generate_tmps_on_preheader): Likewise.
6018         (vect_gen_niters_for_prolog_loop): Likewise.
6019
6020 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6021
6022         PR rtl-optimization/23943
6023         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6024
6025 2005-09-18  Jan Hubicka  <jh@suse.cz>
6026
6027         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6028
6029 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6030
6031         * varasm.c (output_constant): Do not abort on conversions to union
6032         types between different sizes.
6033
6034 2005-09-18  Richard Guenther  <rguenther@suse.de>
6035
6036         PR middle-end/23944
6037         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6038         fallback.
6039
6040 2005-09-18  Paul Brook  <paul@codesourcery.com>
6041
6042         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6043
6044 2005-09-17  Richard Henderson  <rth@redhat.com>
6045
6046         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6047         * tree-ssa-loop.c (pass_vect_dce): Remove.
6048         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6049         of pass_vectorize.
6050
6051 2005-09-17  Richard Henderson  <rth@redhat.com>
6052
6053         * tree-pass.h (pass_vect_dce): Declare.
6054         * passes.c (init_optimization_passes): Add it.
6055         * tree-flow.h (tree_ssa_dce): Declare.
6056         * tree-ssa-dce.c (tree_ssa_dce): Export.
6057         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6058         (gate_tree_vectorize): ... here.
6059         (pass_vect_dce): New.
6060
6061 2005-09-17  Jan Hubicka  <jh@suse.cz>
6062
6063         * except.c (struct eh_status): Turn region_array into vec.
6064         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6065         convert_from_eh_region_ranges, find_exception_handler_labels,
6066         current_function_has_exception_handlers, assign_filter_values,
6067         build_post_landing_pads, dw2_build_landing_pads,
6068         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6069         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6070         foreach_reachable_handler, can_throw_internal_1,
6071         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6072         region_array.
6073         (duplicate_eh_region_1): Update region_array.
6074         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6075
6076 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6077
6078         PR middle-end/22067
6079         * expmed.c (expand_mult): Substitute simple register for op0 when
6080         computing max_cost.
6081
6082 2005-09-17  Richard Henderson  <rth@redhat.com>
6083
6084         * expr.c (emit_move_via_integer): Add force argument, pass it on
6085         to emit_move_change_mode.  Update callers.
6086         (emit_move_complex): Pass true to new force argument.
6087         * function.c (expand_function_end): Move expand_eh_return call
6088         earlier.  Merge sub-word complex values into a pseudo before
6089         copying to the return hard register.
6090
6091 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6092
6093         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6094         between different sizes.
6095
6096 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6097
6098         PR 23903
6099
6100         * passes.c (init_optimization_passes): Register dump files for
6101         IPA passes first.
6102
6103 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6104
6105         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6106         * config/s390/s390.c (s390_overlap_p): New function.
6107         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6108         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6109         condition.
6110
6111 2005-09-16  Richard Guenther  <rguenther@suse.de>
6112
6113         * ipa-pure-const.c (static_execute): Free auxiliar information.
6114         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6115         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6116
6117 2005-09-15  DJ Delorie  <dj@redhat.com>
6118
6119         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6120
6121 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6122
6123         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6124         to order operands.
6125         (swap_commutative_operands_with_target): New.
6126
6127 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6128
6129         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6130         parameter.
6131         Update callers.
6132         (estimate_iters_using_array): New function.
6133         * tree-data-ref.h (estimate_iters_using_array): Prototype
6134         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6135         Use estimate_iters_using_array instead of analyze_array.
6136
6137 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6138
6139         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6140         as addressable.
6141
6142 2005-09-15  Michael Matz  <matz@suse.de>
6143
6144         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6145
6146 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6147
6148         PR tree-optimization/23835
6149         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6150         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6151
6152 2005-09-14  Richard Henderson  <rth@redhat.com>
6153
6154         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6155         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6156
6157 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6158
6159         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6160         in the ARRAY_TYPE case.
6161
6162 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6163
6164         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6165
6166 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6167
6168         PR middle-end/22480
6169         * tree-vect-transform.c (vectorizable_operation): Return false for
6170         scalar shift operations and for vector shift operations with
6171         non-invariant shift arguments.  Use scalar tree operand op1 as
6172         a shift operand when vector shift insn pattern uses scalar shift
6173         operand.
6174         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6175
6176 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6177
6178         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6179         value if it has side-effects.
6180
6181 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6182
6183         PR target/22068
6184         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6185
6186 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6187
6188         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6189         passed as NAME as if it were label at start of function code.
6190
6191 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6192
6193         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6194         the constraints.
6195
6196 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6197
6198         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6199         as early clobber.  Rewrite so the PIC register is not implicitly used.
6200
6201 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6202
6203         * tree.c (annotate_with_file_line): Compare line numbers before
6204         file names.
6205
6206 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6207
6208         PR target/23816
6209         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6210         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6211
6212 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6213
6214         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6215         than a HOST_WIDEST_INT to gen_doloop_begin.
6216
6217 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6218
6219         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6220
6221 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6222
6223         PR tree-optimize/23817
6224         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6225
6226 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6227
6228         PR target/23774
6229         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6230         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6231         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6232         (restore_stack_nonlocal): Likewise.
6233         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6234
6235 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6236
6237         PR g++/7874
6238         * c.opt (ffriend-injection): New C++ option.
6239         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6240         (C++ Dialect Options): Document -ffriend-injection.
6241
6242 2005-09-12  Josh Conner  <jconner@apple.com>
6243
6244         PR middle-end/23237
6245         * ipa-reference.c (static_execute): Don't mark variables in
6246         named sections TREE_READONLY.
6247
6248 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6249
6250         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6251         stack_tie.
6252
6253 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6254
6255         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6256         V_MUST_DEF instead of just the first_use_p.
6257         Don't mark the virtual variables for renaming on the statement which
6258         is being removed.
6259         (pass_dse): Remove TODO_update_ssa.
6260
6261 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6262
6263         PR middle-end/23290
6264         * stor-layout.c (compute_record_mode): For records with a single
6265         field, actually check the field's mode size against the type size.
6266
6267         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6268         registers for TARGET_SHMEDIA.
6269         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6270         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6271         of GENERAL_REGS and FP_REGS.
6272
6273 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6274
6275         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6276
6277 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6278
6279         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6280         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6281         are omitted.  Exclude stack_tie insn too.
6282
6283 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6284
6285         PR rtl-optimization/23098
6286         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6287         0.0f is easy.
6288         * config/rs6000/rs6000.md (movdf splitter): Use
6289         const_double_operand predicate for TARGET_POWERPC64.
6290         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6291         SYMBOL_REF method to ABI_V4.
6292
6293         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6294         replace_equiv_address.
6295         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6296         rs6000_sr_alias_set and MEM_NOTRAP.
6297         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6298
6299 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6300
6301         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6302         handle CALL_EXPR again.
6303
6304 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6305
6306         * arm/predicates.md (alignable_memory_operand): Delete.
6307
6308 2005-09-10  Richard Henderson  <rth@redhat.com>
6309
6310         PR debug/23806
6311         * dbxout.c (dbxout_expand_expr): New.
6312         (dbxout_symbol): Use it.
6313
6314 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6315
6316         * arm.c (arm_gen_rotated_half_load): Delete.
6317         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6318         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6319         (thumb_set_return_address): Likewise.
6320         (thumb_load_double_from_address): Use adjust_address.
6321         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6322         (extendhsisi2_mem, movhi_bytes): Use change_address.
6323         (movhi): Use widen_memory_access.
6324         (reload_out_df): Use replace_equiv_address.
6325         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6326
6327 2005-09-09  Richard Henderson  <rth@redhat.com>
6328
6329         PR debug/20998
6330         * dbxout.c: Include expr.h.
6331         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6332         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6333         * Makefile.in (dbxout.o): Add EXPR_H.
6334
6335 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6336
6337         PR tree-optimization/23509
6338         * tree-cfg.c (replace_uses_by): Use replace_exp.
6339         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6340         pointers have name_mem_tag or type_mem_tag set.
6341
6342 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6343
6344         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6345         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6346         of wrongly accessing operands.
6347
6348 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6349
6350         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6351         * tree-chrec.c: Include tree-scalar-evolution.h.
6352         (chrec_convert): Instantiate the base and step before calling
6353         scev_probably_wraps_p that would fail on parametric evolutions.
6354         Collect all the fails into a single section failed_to_convert,
6355         print a diagnostic, and return chrec_dont_know instead of calling
6356         fold_convert.
6357         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6358         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6359         phi nodes.
6360         (scev_const_prop): Don't replace the definition of a loop closed ssa
6361         phi node by itself, or by another loop closed ssa phi node.
6362         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6363         that base and step are defined.
6364
6365 2005-09-09  Richard Guenther  <rguenther@suse.de>
6366
6367         PR c++/23624
6368         * fold-const.c (fold_ternary): Check truth_value_p before
6369         calling invert_truthvalue.
6370
6371 2005-09-09  Nick Clifton  <nickc@redhat.com>
6372
6373         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6374         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6375         dimension of these arrays.
6376         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6377         these arrays.
6378         * longlong.h: Only provide a prototype for the __clz_tab[] array
6379         if this header has not been included from libgcc2.h.
6380         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6381         defining own types.
6382         Provide prototypes for exported functions.
6383         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6384         libgcc2.c.
6385
6386 2005-09-08  Josh Conner  <jconner@apple.com>
6387
6388         PR c++/21135
6389         PR c++/23180
6390         * expr.c (expand_expr_addr_expr_1): Don't invoke
6391         expand_simple_binop for EXPAND_INITIALIZER.
6392
6393 2005-09-08  Richard Henderson  <rth@redhat.com>
6394
6395         PR debug/23190
6396         * toplev.c (wrapup_global_declaration_1): Split out ...
6397         (wrapup_global_declaration_2): ... from ...
6398         (wrapup_global_declarations): ... here.  Return bool.
6399         (check_global_declaration_1): Split out ...
6400         (check_global_declarations): from here.
6401         (emit_debug_global_declarations): New.
6402         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6403         check_global_declaration_1, emit_debug_global_declarations): Declare.
6404         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6405         of decls.  Call wrapup_global_declaration_1,
6406         wrapup_global_declaration_2, check_global_declaration_1 directly.
6407         (c_write_global_declarations_2): New.
6408         (ext_block): New.
6409         (c_write_global_declarations): Call c_write_global_declarations_2.
6410         * langhooks.c (write_global_declarations): Call
6411         emit_debug_global_declarations.
6412
6413         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6414         remove decls that have DECL_RTL_SET_P.
6415         * passes.c (rest_of_decl_compilation): Invoke
6416         cgraph_varpool_finalize_decl for all but functions.
6417
6418 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6419
6420         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6421         the result of a conversion if the new min and max cannot be compared.
6422
6423 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6424
6425         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6426         (override_options): Setting s390_sr_alias_set removed.
6427         (save_fpr, save_gprs): Set alias set to vararg or frame.
6428         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6429         s390_sr_alias_set with get_frame_alias_set ().
6430         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6431         get_varargs_alias_set ().
6432
6433 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6434
6435         PR objc/20574
6436         PR objc/19324
6437         * c-parser.c (c_parser_objc_method_definition): If the next
6438         token is not "{", error out and don't start the function.
6439
6440 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6441
6442         * tree-vrp.c (extract_range_from_expr): Move the check for non
6443         nullness after the check for gimple invariant.
6444
6445 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6446
6447         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6448
6449 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6450
6451         PR target/23747
6452         * config/m32r.md (movmemsi_internal): Canonicalize order of
6453         operands in PLUS component of template.
6454
6455 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6456
6457         * reload1.c (fixup_eh_region_note): Remove assertion.
6458         (fixup_abnormal_edges): Reverted removal of call to
6459         find_many_sub_basic_blocks made on 2005-08-31.
6460
6461 2005-09-07  Richard Henderson  <rth@redhat.com>
6462
6463         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6464         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6465         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6466         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6467         rearrange for better packing.
6468         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6469         (lookup_cfa_1): Remove inline marker.
6470         (cfa_equal_p): Split out of ...
6471         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6472         (build_cfa_loc): Handle !cfa->indirect.
6473         (frame_pointer_cfa_offset): New.
6474         (dbx_reg_number): Assert register elimination performed; do
6475         leaf register remapping.
6476         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6477         (eliminate_reg_to_offset): New.
6478         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6479         for verifiably local stack frame addresses; re-base to CFA.
6480         (mem_loc_descriptor): Remove can_use_fbreg argument.
6481         (concat_loc_descriptor, loc_descriptor): Likewise.
6482         (containing_function_has_frame_base): Remove.
6483         (rtl_for_decl_location): Don't do register elimination or
6484         leaf register remapping here.
6485         (secname_for_decl): Split out from ..
6486         (add_location_or_const_value_attribute): ... here.
6487         (convert_cfa_to_loc_list): New.
6488         (compute_frame_pointer_to_cfa_displacement): New.
6489         (gen_subprogram_die): Use them.
6490         * tree.h (frame_base_decl): Remove.
6491         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6492         (prologue_stack_adjust): Remove.
6493         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6494         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6495         (set_frame_base_location): Remove.
6496         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6497         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6498         (vt_add_function_parameters): Don't eliminate_regs.
6499         (vt_initialize): Don't create frame_base_decl.
6500
6501 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6502
6503         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6504         version of GNU binutils for 4.x and later.
6505
6506 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6507
6508         * ggc-page.c (ggc_push_context): Remove.
6509         (ggc_pop_context): Likewise.
6510         * ggc.h (ggc_push_context): Remove.
6511         (ggc_pop_context): Likewise.
6512
6513 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6514
6515         PR target/8973
6516         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6517         returning from an interrupt handler.
6518
6519 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6520
6521         PR target/8972
6522         * config/arc/arc.c (output_shift): Add check for loop count when
6523         optimizing.
6524
6525 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6526
6527         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6528         form manually.
6529         (abs_replacement): Likewise.
6530         (pass_phiopt): Remove TODO_update_ssa.
6531
6532 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6533
6534         PR c/23075
6535         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6536         if "return with no value, in function returning non-void" warning
6537         has been issued.
6538         * tree-cfg.c (execute_warn_function_return): Don't look at
6539         RETURN_EXPRs with TREE_NO_WARNING set.
6540
6541         PR target/22362
6542         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6543         for internal functions doesn't use registers used by global registers
6544         variables.  Use fewer register parameters if there are global register
6545         variables.
6546
6547 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6548             Eric Botcazou  <ebotcazou@adacore.com>
6549
6550         PR middle-end/14997
6551         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6552         when we would be extracting outside its bit span (bitpos+bitsize
6553         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6554         Ada unchecked conversions.
6555
6556 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6557
6558         * tree-ssa-pre.c (try_look_through_load): New function.
6559         (compute_avail): Use it to try to look through loads for some
6560         more useful expressions.
6561
6562 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6563
6564         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6565         condition for detecting cases like (a&a) and (a^a).
6566
6567 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6568
6569         * common.opt: Add option ftree-vect-loop-version.
6570         * params.def: Add --param vect-max-version-checks.
6571         * doc/invoke.texi: Document ftree-vect-loop-version and
6572         --param vect-max-version-checks.
6573         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6574         may_misalign_stmts and defines for accessors.
6575         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6576         LOOP_VINFO_MAY_MISALIGN_STMTS.
6577         (destroy_loop_vec_info): VEC_free for
6578         LOOP_VINFO_MAY_MISALIGN_STMTS.
6579         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6580         Update documentation.
6581         (vect_update_misalignment_for_peel): New.
6582         (vect_enhance_data_refs_alignment): Update to choose loop
6583         peeling or loop versioning if appropriate for the (potentially)
6584         unaligned data references in the loop.
6585         (vect_analyze_data_refs_alignment): Remove call to
6586         vect_enhance_data_refs_alignment so the checks can be done
6587         earlier.
6588         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6589         and move up call to vect_analyze_data_refs_alignment.
6590         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6591         (vect_transform_loop): Add call to loop_version.
6592
6593 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6594
6595         PR rtl-optimization/23098
6596         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6597         * simplify-rtx.c (constant_pool_reference_p): New function.
6598         * rtl.h (constant_pool_reference_p): New prototype.
6599         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6600         constant_pool_reference_p in condition and
6601         avoid_constant_pool_reference in preparation statements.
6602
6603 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6604
6605         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6606         STRICT_LOW_PART SETs.
6607
6608 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6609
6610         PR middle-end/21460
6611         * except.c (sjlj_emit_function_enter): Find the function begin
6612         note even when it's not in first basic block.
6613
6614 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6615
6616         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6617         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6618         * aclocal.m4: Regenerate.
6619
6620 2005-09-05  DJ Delorie  <dj@redhat.com>
6621
6622         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6623         of macro.
6624
6625 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6626
6627         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6628         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6629         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6630         Follow spelling conventions.
6631         * doc/invoke.texi: Follow spelling conventions.
6632
6633 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6634
6635         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6636         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6637         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6638
6639 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6640
6641         PR target/23683
6642         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6643         (output_stack_adjust): Use gen_tmp_stack_mem.
6644         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6645         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6646         (sh_get_pr_initial_val): Likewise.
6647         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6648         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6649         * sh.md (divsi_inv_m0): Use gen_const_mem.
6650         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6651         (movdf_i4+1): Use gen_tmp_stack_mem.
6652         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6653         (fpu_switch+2): Likewise.
6654         (movv4sf_i, movv16sf_i): Use adjust_address.
6655         (symGOT_load): Set MEM_NOTRAP_P bit.
6656
6657 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6658
6659         PR target/23721
6660         * pa.c (emit_move_sequence): Fix typo in last change.
6661
6662 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6663
6664         PR rtl-optimization/23454
6665         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6666         is true.
6667
6668 2005-09-03  Richard Henderson  <rth@redhat.com>
6669             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6670
6671         PR middle-end/23671
6672         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6673         gen_rtx_MEM.
6674
6675 2005-09-02  Nicolas Pitre <nico@cam.org>
6676
6677         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6678         to bit_count to 32 bits.
6679
6680 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6681
6682         PR c++/23167
6683         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6684         generating synthetic loads from volatile lvalues.
6685
6686 005-09-02  Nick Clifton  <nickc@redhat.com>
6687
6688         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6689         __ctzhi2, __clzhi2): New functions.
6690
6691 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6692
6693         PR middle-end/23547
6694         * tree-nested.c (struct var_map_elt): Mark with GTY.
6695         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6696         var_map_elt.
6697         (lookup_field_for_decl): Allocate new element in GC memory.
6698         (lookup_tramp_for_decl): Likewise.
6699         (convert_nl_goto_reference): Likewise
6700         (create_nesting_tree): Allocate info in GC memory. Likewise for
6701         info->var_map.
6702         (free_nesting_tree): Free with ggc_free instead of free.
6703         (root): New static variable.
6704         (lower_nested_functions): Remove root as local variable.  And zero out
6705         root at the end of the function.
6706
6707 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6708
6709         PR rtl-optimization/20365
6710         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6711         to short.  New member ix.
6712         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6713         (simplify_plus_minus): Initialize ix members before calling qsort.
6714
6715 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6716
6717         PR tree-optimization/23626
6718         * tree-cfg.c (replace_uses_by): Clean up eh info.
6719
6720 2005-09-01  DJ Delorie  <dj@redhat.com>
6721
6722         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6723         fprintf.
6724
6725 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6726
6727         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6728         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6729         gen_rtx_MEM.
6730
6731 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6732
6733         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6734         do not issue warning for a variable definition following
6735         a declaration.
6736
6737 2005-09-01  Richard Henderson  <rth@redhat.com>
6738
6739         PR 23668
6740         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6741         conversion to CONST_VECTOR.
6742
6743 2005-09-01  Richard Henderson  <rth@redhat.com>
6744
6745         PR 23676
6746         * reload1.c (reload_as_needed): Check !CALL_P before calling
6747         fixup_eh_region_note.
6748         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6749
6750 2005-09-01  DJ Delorie  <dj@redhat.com>
6751
6752         * varasm.c (output_constant): Let the target resolve
6753         conversions of addresses to non-default pointer sizes.
6754
6755 2005-09-01  Nicolas Pitre <nico@cam.org>
6756
6757         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6758         to alow matching ARM pre-indexed addressing mode.
6759         (arm_override_options): Remove now irrelevant comment.
6760
6761 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6762
6763         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6764         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6765         * config/i386/vxworks.h:  Likewise.
6766         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6767         * config/i386/vxworksae.h:  Likewise.
6768
6769 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6770
6771         PR tree-optimization/23410
6772         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6773         sequence is not wrapping during the first step.
6774
6775 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6776
6777         PR debug/7241
6778         * dwarf2out.c (base_type_die): Compare char_type_node with
6779         TYPE_MAIN_VARIANT (type), not type.
6780
6781 2005-09-01  Richard Guenther  <rguenther@suse.de>
6782
6783         PR tree-optimization/15366
6784         * common.opt: Add -finline-functions-called-once.
6785         Put -fearly-inlining in alphabetically ordered place.
6786         * doc/invoke.texi: Document new option.
6787         * ipa-inline.c (cgraph_decide_inlining): Honour
6788         flag_inline_functions_called_once.
6789
6790 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6791
6792         PR rtl-optimization/23478
6793         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6794         (alloc_qty): Initialize it.
6795         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6796         (combine_regs): Combine also n_throwing_calls_crossed fields.
6797         (find_free_reg): Don't attempt to caller-save pseudos crossing
6798         calls that might throw.
6799         * global.c (struct allocno): Add throwing_calls_crossed field.
6800         (global_alloc): Revert 2005-08-22 change.  Initialize
6801         throwing_calls_crossed.
6802         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6803         might throw.
6804
6805 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6806
6807         PR target/23649
6808         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6809         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6810         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6811         (and64_2_operand): Tweak to use predicate.
6812         (and_operand): Adjust for mask_operand changes.
6813         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6814         (print_operand): Likewise.
6815         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6816         (mask64_1or2_operand): Delete.
6817         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6818         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6819         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6820         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6821         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6822         (rotldi3_internal4): Likewise.
6823         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6824         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6825         (ashldi3_internal7): Likewise.
6826         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6827         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6828         (anddi3 split): Don't match mask64_operand.
6829         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6830         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6831         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6832         't' splitter predicate.
6833         (movdi_internal64 + 2): Revert 2005-06-11 change.
6834
6835 2005-08-31  DJ Delorie  <dj@redhat.com>
6836
6837         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6838         (m32c_asm_integer): Add support for 32 bit pointers.
6839
6840 2005-08-31  Richard Henderson  <rth@redhat.com>
6841
6842         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6843         component-like references for setting MEM_NOTRAP_P.
6844
6845         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6846         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6847
6848 2005-08-31  Richard Henderson  <rth@redhat.com>
6849
6850         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6851         into a pseudo before applying gen_lowpart.
6852
6853 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6854
6855         * doc/install.texi (Specific): Update cctools version required
6856         for full functionality.
6857         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6858         linkers as -macosx_version_min.
6859
6860 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6861
6862         PR target/21255
6863         * sh.c (print_operand, %R and %S): Add handling of floating point
6864         registers, memory, constants and invalid operands.
6865
6866 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6867
6868         * ipa-pure-const.c: Change dump name.
6869
6870 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6871
6872         PR target/23570
6873         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6874         to "reg_or_0_operand".
6875         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6876
6877 2005-08-31  Dale Johannesen  <dalej@apple.com>
6878
6879         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6880         loops that count down.
6881
6882 2005-08-31  Richard Henderson  <rth@redhat.com>
6883
6884         PR rtl-opt/23601
6885         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6886         (fixup_eh_region_note): New.
6887         (reload_as_needed): Call it.
6888         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6889         don't call find_many_sub_basic_blocks; call verify_flow_info.
6890         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6891         (keep_stack_depressed): Likewise.
6892         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6893
6894 2005-08-31  Richard Henderson  <rth@redhat.com>
6895
6896         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6897         fp return matching.
6898
6899 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6900
6901         * expr.c (expand_expr_real_1): Compare size of address
6902         mode to target's address mode size in deciding expansion of
6903         the constant address.
6904
6905 2005-08-31  Richard Guenther  <rguenther@suse.de>
6906
6907         PR middle-end/23477
6908         * expr.c (all_zeros_p): New function.
6909         (expand_expr_real_1): Handle the case of an all-zero
6910         non-addressable constructor separately.
6911
6912 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6913
6914         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6915         arguments, adjust all callers.
6916         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6917
6918 2005-08-30  Richard Henderson  <rth@redhat.com>
6919
6920         PR target/23630
6921         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6922         whenever the mode sizes match.
6923
6924 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6925
6926         * calls.c (load_register_parameters): Fix comment typo.
6927         * expr.c (emit_push_insn): Comment formatting.
6928
6929 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6930
6931         * config/i386/x-cygwin (host-cygwin): Change dependency from
6932         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6933
6934 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6935
6936         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6937         parts of 'vals'.
6938
6939 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6940
6941         PR middle-end/23408
6942         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6943         call to ggc_collect.
6944
6945 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6946
6947         PR bootstrap/21268
6948         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6949         beginning.  Remove $(INCLUDES) from all the rules, if following
6950         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6951
6952 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6953
6954         PR middle-end/23484
6955         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6956         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6957         not constant, but maxlen is, don't set len to maxlen, rather
6958         set maxlen to len if len is a constant.
6959
6960 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6961
6962         PR tree-optimization/23475
6963         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6964         and counts.
6965
6966 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6967
6968         Fix PR middle-end/22455
6969
6970         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6971         Checksum only the parts of the tree that exist for the tree code.
6972
6973 2005-08-28  Dale Johannesen  <dalej@apple.com>
6974
6975         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6976
6977 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6978
6979         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6980
6981 2005-08-28  Richard Henderson  <rth@redhat.com>
6982
6983         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6984         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6985         of char_type_node.
6986
6987 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6988
6989         PR ada/23593
6990         * builtins.c (get_memory_rtx): Don't strip nops
6991         in between COMPONENT_REFs.
6992
6993 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6994
6995         PR middle-end/23463
6996         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6997         types.
6998         (gimplify_modify_expr): Check for zero sized types and gimplify the
6999         rhs and lhs as statements.
7000
7001 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7002
7003         PR libgcj/23508
7004         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7005         state for return address column of signal frames.
7006
7007 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7008
7009         PR target/23539
7010         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7011         bytes >= 2 not bytes == 2.
7012         (expand_block_move): Same.
7013
7014 2005-08-27  Richard Guenther  <rguenther@suse.de>
7015
7016         PR target/23575
7017         * config/i386/sse.md (sse2_movsd): Add missing closing
7018         braces.
7019
7020 2005-08-27  Paul Brook  <paul@codesourcery.com>
7021
7022         * genrecog.c (enum decision_type): Add DT_num_insns.
7023         (struct decision_test): Add u.num_insns.
7024         (add_to_sequence): Add DT_num_insns test.
7025         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7026         (write_cond, debug_decision_2): Ditto.
7027         (change_state): Assume peep2_next_insn never fails.
7028         Remove "afterward" argument.
7029         (write afterward, write_tree): Update to match.
7030         * recog.c (peep2_current_count): New variable.
7031         (peep2_next_insn): Check it.
7032         (peephole2_optimize): Set peep2_current_count.
7033         * recog.h (peep2_current_count): Declare.
7034
7035 2005-08-26  Josh Conner  <jconner@apple.com>
7036
7037         PR middle-end/23584
7038         * ipa-pure-const.c (check_tree): Check for volatile-ness
7039         when considering a dereference.
7040
7041 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7042
7043         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7044
7045 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7046
7047         PR rtl-optimization/23561
7048         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7049         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7050         at most LEN bytes long memory fits into the field.
7051         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7052         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7053         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7054
7055 2005-08-26  Richard Henderson  <rth@redhat.com>
7056
7057         PR rtl-opt/23560
7058         * loop.c (biased_biv_may_wrap_p): New.
7059         (maybe_eliminate_biv_1): Use it to suppress non-equality
7060         comparison transformations.  Delete disabled code.
7061
7062 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7063
7064         * combine.c (make_extraction): Avoid reference outside object.
7065
7066 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7067
7068         * stor-layout.c (finalize_type_size): Restore behaviour for
7069         non-aggregate types to the status quo ante of the patch for
7070         pr 23467.  Document why it matters.
7071
7072 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7073
7074         PR c/23506
7075         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7076         array by one element, initialize the BT_LAST element with NULL.
7077
7078 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7079
7080         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7081         optimizing for size.
7082         (plus_eqsi): Same.
7083         (compare_plus_eqsi): Same.
7084         (plus_eqsi_compare): Same.
7085         (neg_eq0<mode>): Same.
7086         (neg_eq<mode>): Same.
7087
7088         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7089         PROCESSOR_POWER4.
7090
7091 2005-08-26  Nick Clifton  <nickc@redhat.com>
7092
7093         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7094         TARGET_EP is not defined.
7095         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7096         TARGET_EP is enabled.
7097         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7098         * config/v850/v850.md (save_all_interrupt): Only use the EP
7099         register if TARGET_EP is defined.
7100         (restore_all_interrupt): Likewise.
7101         * config/v850/lib1funcs.asm: Update functions so that the EP
7102         register is only used if __EP__ is defined.
7103
7104 2005-08-26  David Ung  <davidu@mips.com>
7105
7106         * config/mips/mips.c (mips_expand_prologue): Handle case when
7107         generating for MIPS16 and the outgoing argument area is more than
7108         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7109         add instruction.
7110
7111 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7112
7113         * config/crx/crx.md: Make doloop_end pattern usage controllable
7114         via mloop-nesting=<max-nesting> command line switch. Make sure
7115         the combiner cannot use doloop_end_<mode> in an illegal way.
7116         * config/crx/crx.c: Use regs up to r6 for argument passing.
7117         Refine crx_address_cost (non cst4 displacements are expensive).
7118         * config/crx/crx.opt: Add switch for mloop-nesting=.
7119
7120 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7121
7122         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7123         (UNSPEC_MVST): New constant.
7124
7125 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7126
7127         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7128         Reject operands containing eliminable registers.
7129         * testsuite/gcc.dg/20050825-1.c: New testcase.
7130
7131 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7132             Jan Hubicka  <jh@suse.cz>
7133
7134         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7135
7136 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7137
7138         PR tree-optimization/23546
7139         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7140         and REAL_CST nodes.
7141
7142 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7143
7144         * params.def (PARAM_MIN_SPEC_PROB): New.
7145         * sched-rgn.c (MIN_PROBABILITY): Delete.
7146         (compute_trg_info): Convert to PARAM_VALUE.
7147         * doc/invoke.texi (param): Document min-spec-prob.
7148
7149 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7150
7151         * config/darwin.h: define __PIC__
7152         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7153         TARGET_OS_CPP_BUILTINS macro.
7154
7155 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7156
7157         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7158         yesterday.
7159
7160 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7161
7162         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7163         to duplicate_block.
7164         * cfghooks.c (duplicate_block): Added position where to place
7165         new block as argument.
7166         * cfghooks.h (duplicate_block): Declaration changed.
7167         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7168         duplicate_block.
7169         * cfglayout.h (copy_bbs): Declaration changed.
7170         * cfgloop.h (loop_version): Declaration changed.
7171         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7172         position to copy_bbs.
7173         (loop_version): Pass position to duplicate_loop_to_header_edge.
7174         Add place_after argument and position new blocks according to
7175         it.
7176         * modulo-sched.c (sms_schedule): Pass place_after argument
7177         to loop_version.
7178         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7179         * tree-cfg.c (split_edge_bb_loc): New function.
7180         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7181         to determine position of new blocks.
7182         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7183         to loop_version.
7184         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7185         argument to duplicate_block.
7186         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7187         Pass position to copy_bbs.
7188
7189 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7190
7191         * fold-const.c (ptr_difference_const): Use
7192         cst_and_fits_in_hwi instead of host_integerp.
7193
7194 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7195
7196         * config/darwin.c (gen_pic_offset): New.
7197         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7198         Use it.
7199
7200 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7201
7202         PR tree-optimization/23486
7203         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7204
7205 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7206
7207         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7208         remove use_collect2.
7209         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7210
7211         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7212         configuration files to override the default value.
7213
7214         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7215         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7216         * config/vx-common.h:  New file, split out from...
7217         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7218         * config/vxworksae.h:  New file, for VxWorks AE.
7219         * config/vxworks.opt:  New file.
7220         * config/vxlib.c:  Update for VxWorks 6.
7221
7222         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7223         other MULTILIB_* variables appropriately.
7224         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7225         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7226         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7227         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7228
7229 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7230
7231         PR target/20799
7232         * config/darwin.c (machopic_select_section): Remove the hack to
7233         mark "::operator new" and "::operator delete" for coalescing
7234         even though they are not weak.
7235
7236 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7237
7238         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7239         * configure: Regenerate.
7240
7241 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7242
7243         PR middle-end/23517
7244         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7245         between vectors.
7246         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7247         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7248         Likewise.
7249
7250 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7251
7252         * config/rs6000/predicates.md (equality_operator): New.
7253         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7254         comparison with a large constant.
7255
7256 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7257
7258         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7259
7260 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7261
7262         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7263         registers is even, and we have a hardware double precision fp,
7264         align the buffer.
7265         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7266         size of current argument when checking if argument was passed in
7267         registers.
7268
7269         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7270
7271         PR middle-end/23467
7272         * stor-layout.c (finalize_type_size): Dont override
7273         existing alignment with a smaller alignment from the mode.
7274
7275 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7276
7277         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7278         * lambda.h (lambda_vector_lexico_pos): ... here.
7279         * tree-data-ref.c (build_classic_dist_vector): Return false when
7280         the distance vector is lexicographically negative.
7281
7282 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7283
7284         PR tree-optimization/23511
7285         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7286         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7287
7288 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7289
7290         PR tree-optimization/22043
7291         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7292         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7293         If ALLOW_FLEXARR, handle types ending with flexible array member.
7294         Pass false as second argument to recursive count_type_elements calls.
7295         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7296         argument to count_type_elements call.
7297         * tree-sra.c (decide_block_copy): Likewise.
7298         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7299         for a constant-sized object, set cleared as well.  Pass true as
7300         second argument to count_type_elements call.
7301
7302 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7303
7304         PR target/21571
7305         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7306         from legitimate_small_data_p, and make global.  Update use.
7307         Remove forward declaration.
7308         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7309         Declare.
7310         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7311
7312 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7313
7314         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7315         of scratch intermediates.
7316         (eq<mode>_compare): Same.
7317         (neg_eq0<mode>): New.
7318         (neg_eq<mode>): Convert to define_insn_and_split.
7319
7320 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7321
7322         PR target/23070
7323         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7324         stdarg functions, set/clear the fp marker even when no variable
7325         args are passed.
7326         * config/rs6000/sysv4.opt (mprototype): Describe.
7327
7328 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7329
7330         PR rtl-optimization/23478
7331         * regs.h (reg_info): Add throw_calls_crossed.
7332         (REG_N_THROWING_CALLS_CROSSED): Define.
7333         * flow.c (allocate_reg_life_data): Initialize
7334         REG_N_THROWING_CALLS_CROSSED.
7335         (propagate_one_insn, attempt_auto_inc): Update
7336         REG_N_THROWING_CALLS_CROSSED.
7337         * global.c (global_alloc): Don't allocate pseudos across
7338         calls that may throw.
7339
7340 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7341
7342         PR c/18715
7343         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7344         value is inbetween the range if we did not find an exact match.
7345
7346 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7347
7348         * doc/invoke.texi (Option Summary): Add ms1 options.
7349         * doc/extend.texi: Document interrupt handler attribute for ms1.
7350         * doc/md.texi: Document ms1 constraints.
7351         * config.gcc: Add ms1-*-elf.
7352         * config/ms1/ms1.h: New.
7353         * config/ms1/ms1.c: New.
7354         * config/ms1/ms1.md: New.
7355         * config/ms1/ms1-protos.h: New.
7356         * config/ms1/ABI.txt: New.
7357         * config/ms1/crti.asm: New.
7358         * config/ms1/crtn.asm: New.
7359         * config/ms1/lib2extra-funcs.c: New.
7360         * config/ms1/t-ms1: New.
7361         * config/ms1/ms1.opt: New.
7362
7363 2005-08-22 Ira Rosen <irar@il.ibm.com>
7364
7365         * config/rs6000/altivec.md (xorv4sf3): New.
7366         (negv4sf2, neg<mode>2): Likewise.
7367
7368 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7369
7370         PR target/23485
7371         * config/ia64/ia64.md (divsi3): Check divide by zero.
7372         (udivsi3): Likewise.
7373         (divdi3): Likewise.
7374         (udivdi3): Likewise.
7375
7376 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7377
7378         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7379         up to elem_bitsize bits, not max_bitsize.
7380
7381 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7382
7383         PR tree-optimization/23433
7384         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7385         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7386
7387 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7388
7389         PR tree-optimization/23434
7390         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7391         the iteration bound is not an INTEGER_CST.
7392
7393 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7394
7395         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7396         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7397         NULL if need_epilog_adjust is false.
7398         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7399         Case 3 always peels first itration, not just for PLUS case, and no need
7400         to use scalar_initial_def here. Create an epilog adjustment only if
7401         scalar_initial_def is not NULL.
7402
7403         (vectorizable_reduction): Remove assert.
7404
7405 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7406
7407         PR target/23485
7408         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7409         (__moddi3): Likewise.
7410         (__udivdi3): Likewise.
7411         (__umoddi3): Likewise.
7412         (__divsi3): Likewise.
7413         (__modsi3): Likewise.
7414         (__udivsi3): Likewise.
7415         (__umodsi3): Likewise.
7416
7417 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7418
7419         * tree-pass.h (TDF_GRAPH): Define.
7420         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7421         * passes.c (finish_optimization_passes): Only call
7422         finish_graph_dump_file if TDF_GRAPH is set.
7423         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7424         NULL.  Set TDF_GRAPH bit.
7425         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7426
7427 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7428
7429         * arm.h (arm_stack_offsets): Add locals_base field.
7430         * arm.c (arm_get_frame_offsets): Compute it.
7431         (thumb_compute_initial_elimination offset): Make the Thumb frame
7432         pointer point to the base of the local variables.
7433         (thumb_expand_prologue): Update accordingly.
7434         (thumb_expand_epilogue): Likewise.
7435
7436         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7437         mode of clobbered scratch to DImode.  Handle a case that's known to
7438         need this.
7439
7440 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7441
7442         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7443         (gt0<mode>_compare): Delete.
7444         (neg_gt0<mode>): Delete.
7445
7446 2005-08-19  Eric Christopher  <echristo@apple.com>
7447
7448         * optabs.h: Change CTI_ to COI_.
7449         * optabs.c: Ditto.
7450
7451 2005-08-19  James E Wilson  <wilson@specifix.com>
7452
7453         * builtins.c (expand_builtin_return_addr): Set
7454         current_function_accesses_prior_frames when count != 0.  Use
7455         frame_pointer_rtx when count == 0.
7456         * function.h (struct function): Add accesses_prior_frames field.
7457         (current_function_accesses_prior_frames): Define.
7458         * reload1.c (init_elim_table): Check
7459         current_function_accesses_prior_frames.
7460         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7461
7462 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7463
7464         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7465         indicator.  Return true if the flowgraph changed during
7466         cleanup.
7467
7468 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7469
7470         PR 23476
7471         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7472         conditional expression before testing its value.
7473
7474 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7475
7476         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7477
7478 2005-08-19  Devang Patel  <dpatel@apple.com>
7479
7480         PR tree-optimization/23048
7481         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7482         third parameter. Check whether latch is dominated by exit
7483         block or not.
7484         (if_convertible_loop_p): Supply exit block itself to
7485         if_convertible_bb_p.
7486
7487 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7488
7489         PR target/23473
7490         * arm.md (arm_load_pic_register): Change argument to the mask of
7491         saved registers.  Call thumb_find_work_register if we need a
7492         scratch register on Thumb.
7493         (arm_expand_prologue): Pass empty register set to
7494         arm_load_pic_register.
7495         (thumb_expand_prologue): Pass live_regs_mask directly to
7496         arm_load_pic_register.
7497         * arm-protos.h (arm_load_pic_register): Update prototype.
7498
7499 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7500
7501         * sh.c (find_sole_member): New function.
7502         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7503         if the record's alignment is larger than the size of its only member.
7504
7505 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7506
7507         PR target/23436
7508         * arm.c (thumb_legitimize_reload_address): New function.
7509         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7510         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7511
7512 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7513
7514         * config/crx/crx.c: Implement crx_decompose_address. Reject
7515         symbolic displacements since CRX register relative adressing
7516         mode can't handle unsigned 32-bit values as displacements.
7517         * config/crx/crx.h: Simplify definitions, remove redundant
7518         parenthesis and obsolete macros.
7519         * config/crx/crx.opt: Add new switch for debugging addresses.
7520         * config/crx/crx-protos.h: Add new declarations for above.
7521
7522 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7523
7524         PR middle-end/20624
7525         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7526         looking past it.
7527
7528 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7529
7530         * collect2.c (dup2): Delete.
7531         * configure.ac: Don't check for dup2.
7532
7533         * config.in, configure: Regenerate.
7534
7535 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7536
7537         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7538         record with the type of its only member.
7539
7540 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7541
7542         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7543         define_insn_and_split.
7544         (plus_ltu<mode>_compare): Same.
7545         (gtu<mode>_compare): Same.
7546         (plus_gtu<mode>_compare): Same.
7547
7548 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7549
7550         PR tree-optimization/22228
7551         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7552         todo_flags_start.
7553         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7554         are recorded in vect_vnames_to_rename for renaming.
7555         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7556         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7557         in vect_vnames_to_rename.
7558         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7559         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7560
7561 2005-08-18  Jan Hubicka  <jh@suse.cz>
7562
7563         PR c++/22034
7564         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7565         info only for local statics, not for member variables.
7566
7567 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7568
7569         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7570
7571 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7572
7573         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7574
7575 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7576
7577         PR middle-end/16045
7578         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7579
7580 2005-08-17  James E Wilson  <wilson@specifix.com>
7581
7582         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7583         array size check.
7584
7585 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7586
7587         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7588         (leu<mode>_compare): Same.
7589         (plus_leu<mode>): Same.
7590         (neg_leu<mode>): Same.
7591         (and_neg_leu<mode): Same.
7592         (ltu<mode>_compare): Same.
7593         (plus_ltu<mode>): Same.
7594         (geu<mode>): Same.
7595         (geu<mode>_compare): Same.
7596         (plus_geu<mode>): Same.
7597         (neg_geu<mode>): Same.
7598         (and_neg_geu<mode>): Same.
7599         (plus_gt<mode>): Same.
7600         (gtu<mode>_compare): Same.
7601         (plus_gtu<mode>): Same.
7602
7603 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7604
7605         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7606         Move call_table_data to end.  Delete spurious .text.
7607         (callt_save_all_interrupt): Fix comment typo.
7608
7609 2005-08-17  James E Wilson  <wilson@specifix.com>
7610             Kevin Winchester  <winchester@amirix.com>
7611
7612         PR target/21684
7613         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7614
7615 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7616
7617         PR target/23268
7618         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7619         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7620
7621 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7622
7623         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7624         record with the type of its only member if the modes don't match.
7625
7626         * varasm.c (decode_reg_name): Skip empty additional register names.
7627
7628 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7629
7630         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7631         lsm_tmp_name_length): New.
7632         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7633         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7634
7635 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7636             Andreas Krebbel  <krebbel1@de.ibm.com>
7637
7638         * config.gcc: Added z9-109 switch.
7639         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7640         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7641         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7642         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7643         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7644         for "z9_109" cpu attribute.
7645         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7646         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7647         (s390_handle_arch_option): Added z9-109 switch.
7648         (override_options): Set respective cost function for z9-109.
7649         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7650         (legitimate_reload_constant_p): Accept extended immediates.
7651         (print_operand): Three new output modifiers added: k, m and o.
7652         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7653         (s390_output_mi_thunk): Use extended immediate when possible.
7654         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7655         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7656         (CONSTRAINT_LEN): Added length of O constraint.
7657         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7658         * config/s390/s390.md ("cpu"): New value z9_109 added.
7659         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7660         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7661         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7662         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7663         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7664         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7665         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7666         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7667         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7668         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7669         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7670         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7671         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7672         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7673         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7674         immediates.
7675         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7676         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7677         insns for TARGET_EXTIMM.
7678
7679 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7680
7681         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7682
7683 2005-08-17  Nick Clifton  <nickc@redhat.com>
7684
7685         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7686         Call default_encode_section_info.
7687
7688 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7689
7690         PR tree-optimization/21574
7691         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7692         constant, return CONSTANT.
7693         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7694         (ccp_fold, visit_assignment): Likewise.
7695         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7696
7697 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7698
7699         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7700         fold_buildN instead of buildN then fold_initializer or fold.
7701         (build_unary_op): Likewise.
7702         (build_binary_op): Likewise.
7703         * fold-const.c (fold_initializer): Remove.
7704         (fold_build1_initializer): New function.
7705         (fold_build2_initializer): New function.
7706         (fold_build3_initializer): New function.
7707         * tree.h (fold_initializer): Remove.
7708         (fold_build1_initializer): New function.
7709         (fold_build2_initializer): New function.
7710         (fold_build3_initializer): New function.
7711
7712 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7713
7714         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7715         (try_move_mult_to_index): Call fold_build2 instead of build2.
7716         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7717         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7718         fold_binary_to_constant.
7719         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7720         fold (build.
7721         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7722         check if A == gcd (A, B).  Remove TYPE argument.
7723         (analyze_offset) Use fold_build2 instead of fold (build.
7724         (create_data_ref): Likewise.
7725         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7726         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7727         then fold.
7728
7729 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7730
7731         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7732         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7733
7734 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7735
7736         PR tree-opt/23402
7737         * gimplify.c (zero_sized_type): New function.
7738         (gimplify_modify_expr_rhs): If we have a zero sized type,
7739         replace the statement with an empty statement.
7740
7741 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7742
7743         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7744         fxsave.
7745
7746 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7747
7748         * doc/tm.texi (Label Output): Correct typo.
7749
7750 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7751
7752         PR target/23376
7753         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7754         force_operand will work later on using have_insn_for.
7755
7756 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7757
7758         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7759
7760 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7761
7762         PR c++/23337
7763         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7764         vector type, don't try to construct it element by element.  Add an
7765         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7766
7767 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7768
7769         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7770
7771 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7772
7773         * doc/invoke.texi (Precompiled Headers): Document some more options
7774         which are known to be safe.
7775
7776 2005-08-16  James E Wilson  <wilson@specifix.com>
7777
7778         PR tree-optimization/21105
7779         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7780         TREE_OVERFLOW check.
7781
7782 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7783
7784         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7785         (neg_ltu<mode>): Same.
7786         (gtu<mode>): Same.
7787         (neg_gtu<mode>): Same.
7788
7789 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7790
7791         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7792         (fold_builtin_isdigit): Use fold_buildN.
7793         (build_function_call_expr): Likewise.
7794         * c-typeck.c (c_finish_loop): Likewise.
7795
7796 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7797             Richard Shann <rshann@superh.com>
7798
7799         PR middle-end/20396:
7800         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7801
7802 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7803
7804         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7805
7806 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7807
7808         PR target/23355
7809         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7810         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7811         must be saved.
7812
7813 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7814
7815         PR middle-end/23369
7816         * fold-const.c (build_range_check): Disable optimization for function
7817         pointer expressions on targets that require function pointer
7818         canonicalization.
7819
7820 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7821
7822         * simplify-rtx.c (simplify_const_relational_operation): When
7823         extracting arguments of a COMPARE, recompute the mode as well.
7824
7825 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7826
7827         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7828
7829 2005-08-15  DJ Delorie  <dj@redhat.com>
7830
7831         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7832         the stack.
7833         (movsi_splittable): Allow, but split, moves to the stack.
7834         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7835         stack.
7836
7837 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7838
7839         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7840         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7841         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7842
7843         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7844         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7845         Delete HOST_PTR_PRINTF.
7846
7847         * configure, config.in: Regenerate.
7848
7849 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7850
7851         * config/rs6000/rs6000.md (QHSI): New mode macro.
7852         (wd): Extend mode attr for QImode and HImode
7853         (dbits): New mode attr.
7854         (zero_extend<mode>di2): Convert to mode macro.
7855
7856 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7857
7858         PR target/21841
7859         * doc/invoke.texi (-mgnu-ld): Update description.
7860         (-mhp-ld): Ditto.
7861
7862 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7863
7864         PR 23391
7865         * Makefile.in (tree-chrec.o): Depends on real.h.
7866         * tree-chrec.c: Include real.h.
7867         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7868         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7869         * tree-scalar-evolution.c (add_to_evolution_1,
7870         interpret_rhs_modify_expr): Ditto.
7871
7872 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7873
7874         PR 23386
7875         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7876         step is negative compute the estimation from init downwards to zero.
7877
7878 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7879
7880         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7881
7882 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7883
7884         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7885         constraint.
7886         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7887         Accept double-word constants that can be split.
7888         * config/s390/s390.md ("movti"): Use 'P' constraint.
7889         ("*movdi_31", "*movdf_31"): Likewise.
7890
7891 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7892
7893         Fix PR tree-optimization/22615
7894
7895         * tree-ssa-structalias.c (solution_set_add): Handle
7896         first_vi_for_offset returning NULL.
7897         (do_da_constraint): Ditto.
7898         (do_sd_constraint): Ditto.
7899         (do_ds_constraint): Ditto
7900         (find_func_aliases): Ditto.
7901         (build_constraint_graph): RHS is allowed be ANYTHING.
7902         (first_vi_for_offset): Return NULL if we couldn't find anything at
7903         the offset.
7904
7905 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7906
7907         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7908         over memory as first operand.
7909
7910 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7911
7912         PR target/23360
7913         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7914         available for setting it.
7915
7916 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7917
7918         PR tree-optimization/23320
7919         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7920         data-refs' types instead of base object nullness. Add check for
7921         pointer type data-refs before first location comparison. Remove
7922         assert.
7923
7924 2005-08-14  Andreas Schwab  <schwab@suse.de>
7925
7926         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7927
7928 2005-08-13  James E Wilson  <wilson@specifix.com>
7929
7930         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7931         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7932         -fstack-protector-all, --param ssp-buffer-size): Document.
7933         (-Wvariadic-macros): Alphabetize.
7934         (-fsched-stalled-insns-dep): Add missing 'f'.
7935
7936         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7937         macros.
7938
7939 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7940
7941         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7942         or indirect address operand.
7943         (EXTRA_ADDRESS_CONSTRAINT): New.
7944         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7945
7946 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7947
7948         PR tree-optimization/22236
7949         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7950         successors and predecessors.
7951         * tree-chrec.c (chrec_convert): Before converting, check that
7952         sequences don't wrap.
7953         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7954         (analyze_array): Extern.
7955         (find_data_references_in_loop): Remove call to
7956         compute_estimated_nb_iterations.
7957         * tree-data-ref.h (analyze_array): Declared.
7958         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7959         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7960         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7961         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7962         condition.
7963         * tree-ssa-loop-ivcanon.c: Fix documentation.
7964         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7965         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7966         (infer_loop_bounds_from_undefined): New.
7967         (estimate_numbers_of_iterations_loop): Use
7968         infer_loop_bounds_from_undefined.
7969         (used_in_pointer_arithmetic_p): New.
7970         (scev_probably_wraps_p): Pass an extra parameter.  Call
7971         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7972         (convert_step): Fix documentation.
7973         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7974         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7975         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7976         scev_probably_wraps_p.
7977
7978 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7979
7980         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7981         (s390_register_info): Ignore clobbered_regs information for fixed
7982         registers, and only fixed registers.
7983         (s390_init_frame_layout): Remove redundant call.
7984
7985 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7986
7987         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7988         description of -Wold-style-casts.
7989
7990 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7991             Jakub Jelinek  <jakub@redhat.com>
7992
7993         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7994         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7995         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7996         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7997         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7998         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7999         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8000         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8001         ("stack_protect_set", "stack_protect_test"): New expanders.
8002         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8003         "stack_protect_testdi"): New insn definitions.
8004
8005 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8006
8007         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8008
8009 2005-08-12  Paul Brook  <paul@codesourcery.com>
8010
8011         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8012
8013 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8014
8015         * config/s390/predicates.md (setmem_operand): New predicate.
8016         (shift_count_operand): Accept ANDs with special constants as
8017         operand.
8018         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8019         with special constants.
8020         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8021         shift_count_operand with setmem_operand.
8022
8023 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8024
8025         * config/s390/s390.c (s390_extract_part, s390_single_part):
8026         Type cast added.
8027         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8028         (s390_output_mi_thunk): Don't use lg on 31 bit.
8029         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8030         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8031
8032 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8033
8034         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8035         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8036         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8037         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8038         with one of the new macros.
8039
8040 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8041
8042         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8043         Don't set save_return_addr_p.
8044         (s390_register_info): Make clobbered_regs not depending on
8045         save_return_addr_p.
8046
8047 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8048
8049         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8050         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8051
8052 2005-08-11  James E. Wilson  <wilson@specifix.com>
8053
8054         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8055
8056 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8057
8058         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8059         locations gathered by var-tracking in single entry loc_list
8060         over loc_descriptor_from_tree.
8061
8062         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8063         pass it down to loc_descriptor.
8064         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8065         (containing_function_has_frame_base): Move earlier in the file.
8066         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8067         instead of always assuming fbreg can't be used.
8068
8069 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8070
8071         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8072         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8073         Accept address wrapped in AND for Altivec.
8074         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8075         Strip AND wrapping offset address for Altivec.
8076
8077 2005-08-11  Richard Henderson  <rth@redhat.com>
8078
8079         PR middle-end/23312
8080         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8081         before using TYPE_IS_SIZETYPE.
8082
8083 2005-08-11  Richard Henderson  <rth@redhat.com>
8084
8085         PR target/22225
8086         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8087         insn types not present on ev4.
8088         (alphaev5_insn_pipe): Similarly.
8089
8090 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8091
8092         PR target/23250
8093         * arm.c (arm_override_options): If the user has selected callee-super-
8094         interworking, then enable normal interworking.
8095
8096 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8097
8098         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8099         redefinition.
8100
8101 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8102
8103         * doc/rtl.texi: Fix two typos.
8104
8105 2005-08-11  Richard Guenther  <rguenther@suse.de>
8106
8107         PR target/23289
8108         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8109         cases where we call to/from functions returning void.
8110
8111 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8112
8113         PR c++/23225
8114         * tree.c (build_pointer_type_for_mode): Robustify.
8115
8116 2005-08-10  James E Wilson  <wilson@specifix.com>
8117
8118         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8119         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8120
8121         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8122         "cum->".
8123
8124 2005-08-10  Eric Christopher  <echristo@apple.com>
8125
8126         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8127         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8128         V2DFmode.
8129
8130 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8131
8132         PR target/21887
8133         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8134         for the high part when generating dynamic-no-pic code.
8135
8136 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8137
8138         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8139         (x86_64-*-linux*): Likewise.
8140
8141         * config/i386/crtfastmath.c: New file.
8142         * config/i386/t-crtfm: Likewise.
8143
8144         * config/i386/linux.h (ENDFILE_SPEC): New.
8145         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8146
8147         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8148         crtfastmath.o.
8149
8150 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8151
8152         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8153         (vec_shl, vec_shr): Document new operations.
8154         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8155
8156 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8157
8158         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8159         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8160         change predicate to indexed_or_indirect_address.
8161
8162 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8163
8164         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8165         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8166         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8167         and __aeabi_uwrite8.
8168         * config/arm/unaligned-funcs.c: New file.
8169         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8170
8171 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8172
8173         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8174         Add dump.
8175         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8176         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8177         Add dump.
8178         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8179         * final.c (pass_shorten_branches): Add dump.
8180         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8181         (pass_life): Rename dump.
8182         (rest_of_handle_flow2): Remove initial verify_flow_info.
8183         * function.c (pass_instantiate_virtual_regs): Add dump.
8184         * integrate.c (pass_initial_value_sets): Add dump.
8185         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8186         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8187         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8188         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8189         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8190         gate_rtl_unrool_and_peel_loops): New.
8191         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8192         rtl_doloop): Do not look at flags.
8193         * mode-switching.c (pass_mode_switching): Add dump.
8194         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8195         pass_split_before_regstack): Add dump.
8196         * regmove.c (pass_stack_adjustments): Add dump.
8197         * tree-optimize.c (pass_fixup_cfg): Add dump.
8198
8199 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8200
8201         PR 23309
8202         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8203         deciding which instruction sequence to use.
8204
8205 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8206
8207         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8208         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8209
8210 2005-08-09  Richard Guenther  <rguenther@suse.de>
8211
8212         * c-common.c (builtin_function_2): Remove.
8213         (def_builtin_1): New function.
8214         (c_common_nodes_and_builtins): Use def_builtin_1 to
8215         build builtin functions.
8216
8217 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8218
8219         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8220         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8221         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8222         Visual DSP.
8223
8224 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8225
8226         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8227         fold_binary instead of fold_build2 since we don't care about the
8228         resulting tree.
8229         (loop_niter_by_eval): Likewise.
8230         (compare_trees): Likewise.
8231         (proved_non_wrapping_p): Likewise.
8232
8233 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8234
8235         PR c/23161
8236         PR c/23165
8237         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8238         if the if is really empty.
8239
8240 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8241
8242         PR tree-optimization/23234
8243         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8244         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8245         argument of the new enum.
8246         (execute_cse_reciprocals): Add reciprocals for function arguments
8247         on the unique successor edge of the entry block.  Update other calls
8248         to execute_cse_reciprocals_1.
8249
8250 2005-08-08  Richard Henderson  <rth@redhat.com>
8251
8252         PR 22439
8253         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8254
8255 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8256
8257         * expr.c (write_complex_part): Return after handling MEM.
8258
8259 2005-08-08  Josh Conner  <jconner@apple.com>
8260
8261         PR rtl-optimization/23241
8262         * combine.c (simplify_comparison): Fix error in determining
8263         whether to lift a subreg from comparison.
8264
8265 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8266
8267         PR target/18506
8268         * config/rs6000/altivec.md (vec_init<mode>): New.
8269         (vec_set<mode>): New.
8270         (vec_extract<mode>): New.
8271         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8272         (rs6000_expand_vector_set): New.
8273         (rs6000_expand_vector_extract): New.
8274         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8275         for Altivec modes before reload.
8276         (altivec_expand_vec_init_builtin): New.
8277         (get_element_number): New.
8278         (altivec_expand_vec_set_builtin): New.
8279         (altivec_expand_vec_ext_builtin): New.
8280         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8281         builtins.
8282         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8283         builtins.
8284         * config/rs6000/rs6000.h (rs6000_builtins): Add
8285         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8286         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8287         * config/rs6000/rs6000-protos.h: Declare new functions.
8288
8289 2005-08-08  Jan Hubicka  <jh@suse.cz>
8290
8291         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8292         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8293         * i386.md (movdi*): Use pic_32bit_operand.
8294         * predicates.md (pic_32bit_operand): New.
8295
8296 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8297
8298         PR c++/21166
8299         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8300
8301 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8302
8303         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8304         (test_for_singularity): Use fold_build2.
8305
8306 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8307
8308         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8309
8310 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8311
8312         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8313         (COMMON_ASM_OP) Define.
8314         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8315         (ix86_encode_section_info): Likewise.
8316         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8317         SUBTARGET_ENCODE_SECTION_INFO.
8318
8319 2005-08-06  Richard Henderson  <rth@redhat.com>
8320
8321         PR 21894
8322         * tree-nested.c (convert_local_reference): Save and restore val_only
8323         around component_ref and friends.  Clear walk_subtrees by default.
8324
8325 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8326
8327         PR 21366
8328         * gcc.c (process_command): Check the argument to -b has a dash.
8329         * doc/invoke.texi: Update -b and -V docs.
8330
8331 2005-08-06  James E Wilson  <wilson@specifix.com>
8332
8333         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8334
8335 2005-08-06  Michael Matz  <matz@suse.de>
8336
8337         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8338         member only if only one insn is associated with the value.
8339
8340 2005-08-06  Nick Clifton  <nickc@redhat.com>
8341
8342         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8343         New define.
8344         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8345         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8346         Check symbol flags instead of symbol name mangling.
8347         (xstormy16_asm_output_aligned_common): Likewise.  Also
8348         simplify code since the bss100_section cass is the only case
8349         where the below100 code will be triggered.
8350         (xstormy16_encode_section_info): Encode below100 attribute
8351         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8352         the name.
8353         (xstormy16_strip_name_encoding): Delete - this function is no
8354         longer needed.
8355         (TARGET_STRIP_NAME_ENCODING): Undefine.
8356         * config/stormy16/stormy16-protos.h: Delete prototype for
8357         xstormy16_strip_name_encoding.
8358
8359 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8360
8361         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8362         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8363         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8364         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8365         config/alpha/predicates.md, config/arc/arc.h,
8366         config/arm/arm.h, config/arm/ieee754-df.S,
8367         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8368         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8369         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8370         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8371         config/m68hc11/m68hc11.h, config/mips/mips.c,
8372         config/mips/mips.h, config/mips/openbsd.h,
8373         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8374         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8375         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8376         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8377         config/sparc/linux.h, config/sparc/linux64.h,
8378         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8379         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8380         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8381         typos.  Follow spelling conventions.
8382
8383 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8384
8385         PR c/23113
8386         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8387         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8388         specially.  Check for side effects only for COND_EXPR.
8389         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8390         return with TREE_NO_WARNING.
8391
8392 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8393
8394         PR rtl-optimization/23233
8395         * loop.c (combine_movables): Require the modes to be the same.
8396         (move_movables): Remove handling of cases where the replacement
8397         had a different mode to the original.
8398
8399 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8400
8401         PR tree-optimization/23128
8402         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8403         subtraction wrap, and set TREE_OVERFLOW if they do.
8404
8405 2005-08-05  Richard Henderson  <rth@redhat.com>
8406
8407         PR 21728
8408         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8409         FORCED_LABEL labels.
8410
8411 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8412
8413         PR middle-end/23135
8414         * reload.c (find_reloads_subreg_address): Pass down TYPE
8415         unchanged.  Change all callers except find_reloads_toplev.
8416
8417 2005-08-05  Michael Matz  <matz@suse.de>
8418
8419         * genattrtab.c (current_alternative_string): Remove.
8420         (SIMPLIFY_ALTERNATIVE): Ditto.
8421         (attr_alt_bit_p): Ditto.
8422         (alternative_name): Make const char *.
8423         (evaluate_eq_attr): Remove use of above things.
8424         (simplify_test_exp): Ditto.
8425         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8426         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8427
8428 2005-08-04  James E Wilson  <wilson@specifix.com>
8429
8430         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8431         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8432         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8433         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8434         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8435
8436 2005-08-04  Richard Henderson  <rth@redhat.com>
8437
8438         PR 21529
8439         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8440         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8441         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8442         if we'd have to instantiate too many members.
8443
8444 2005-08-04  Richard Henderson  <rth@redhat.com>
8445
8446         PR 21291
8447         * tree-outof-ssa.c (coalesce_asm_operands): New.
8448         (coalesce_ssa_name): Use it.  Split out ...
8449         (coalesce_phi_operands, coalesce_result_decls): ... these.
8450
8451 2005-08-04  Paul Brook  <paul@codesourcery.com>
8452
8453         * read-rtl.c (read_quoted_string): Break if EOF.
8454
8455 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8456
8457         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8458         (fold_build2): Likewise.
8459         (fold_build3): Likewise.
8460         (fold_build1_stat): New function prototype.
8461         (fold_build2_stat): Likewise.
8462         (fold_build3_stat): Likewise.
8463         * fold-const.c (fold_build1): Rename to ..
8464         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8465         through to build1_stat.
8466         (fold_build2): Rename to ..
8467         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8468         through to build2_stat.
8469         (fold_build3): Rename to ..
8470         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8471         through to build3_stat.
8472
8473 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8474             Ian Lance Taylor  <ian@airs.com>
8475
8476         * function.c (assign_stack_local_1): Do not correct stack slot
8477         address if allocation size is smaller than mode size.
8478
8479 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8480
8481         PR 22037
8482         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8483         (tree_merge_blocks): Propagate anything allowed by
8484         may_propagate_copy.
8485         Clarify documentation.
8486         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8487         SSA form, schedule an update if necessary.
8488
8489 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8490
8491         * doc/install.texi (Binaries): Remove broken link to
8492         Sinix/Reliant Unix binaries.
8493
8494 2005-08-03  Richard Henderson  <rth@redhat.com>
8495
8496         PR 23221
8497         * function.c (stack_protect_epilogue): Export.
8498         * tree.h (stack_protect_epilogue): Declare.
8499         * calls.c (expand_call): Call it.
8500
8501 2005-08-03  Eric Christopher  <echristo@apple.com>
8502
8503         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8504         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8505         spec.
8506
8507 2005-08-04  Jan Hubicka  <jh@suse.cz>
8508
8509         * profile.c (branch_prob): Split edges with goto locus on them
8510         to get proper line counts.
8511         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8512
8513 2005-08-03  Paul Brook  <paul@codesourcery.com>
8514
8515         * function.c (assign_parms): Round current_function_args_size
8516         to PARM_BOUNDARY, not STACK_BOUNDARY.
8517
8518 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8519
8520         * config/i386/i386.c (x86_elf_aligned_common)
8521         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8522
8523 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8524
8525         PR tree-optimization/23157
8526         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8527         before emitting them.
8528
8529 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8530
8531         PR tree-optimization/19899
8532         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8533         * tree-scalar-evolution.c: Include real.h.
8534         (add_to_evolution): Build constant -1 of correct type.
8535
8536 2005-08-03  Jan Hubicka  <jh@suse.cz>
8537
8538         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8539         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8540         profile updating for complette unrolling.
8541         * loop-unroll.c (peel_loop_completely): Use it.
8542         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8543         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8544         loops.
8545
8546 2005-08-03  Paul Brook  <paul@codesourcery.com>
8547
8548         * combine.c (can_change_dest_mode): New function.
8549         (try_combine, simplify_set): Use it.
8550
8551 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8552
8553         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8554         TFmode to BLKmode.
8555
8556 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8557
8558         * doc/install.texi (Specific): Adjust link to openavr.org.
8559         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8560         (Binaries): Adjust HP-UX Porting Center link.
8561         (Binaries): Adjust Free Software Foundation ordering link.
8562
8563 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8564
8565         * convert.c (convert_to_integer): Use fold_build1 instead of
8566         build1 when converting an integer to an integer.
8567
8568 2005-08-02  Richard Henderson  <rth@redhat.com>
8569
8570         * combine.c (combine_instructions): Don't use reg_equal/equiv
8571         results if the mode doesn't match.
8572
8573 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8574
8575         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8576         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8577
8578 2005-08-02  Richard Henderson  <rth@redhat.com>
8579
8580         PR 23196
8581         * explow.c (memory_address): Remove special-case for
8582         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8583
8584 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8585
8586         PR 23164
8587         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8588         number of calls to cleanup_tree_cfg_1.
8589
8590 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8591
8592         * doc/invoke.texi: document file extensions .F90 and .F95
8593
8594 2005-08-02  Richard Guenther  <rguenther@suse.de>
8595
8596         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8597         positive if its first argument is positive.
8598
8599 2005-08-02  Richard Guenther  <rguenther@suse.de>
8600
8601         PR tree-optimization/23177
8602         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8603         on TMR_TAG.
8604
8605 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8606
8607         PR tree-optimization/23129
8608         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8609         varying for divisions with anti-ranges.
8610
8611 2005-08-02  Jan Hubicka  <jh@suse.cz>
8612
8613         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8614         * tree-ssa-threadupdate.c (thread_block): Add it here.
8615
8616 2005-08-01  James E Wilson  <wilson@specifix.com>
8617
8618         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8619         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8620         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8621         New.
8622         * config/mips/predicates.md (const_call_insn_operand): Add check for
8623         SYMBOL_REF_LONG_CALL_P.
8624         * doc/extend.texi (long_call): Document the new attribute.
8625
8626 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8627             Richard Henderson  <rth@redhat.com>
8628
8629         * Makefile.in (RTL_BASE_H): Add real.h.
8630         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8631         instead of memcpy.
8632         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8633         directly.
8634         * rtl.c (rtl_check_failed_code_mode): New.
8635         * rtl.h (struct rtx_def): Add u.rv.
8636         (XCMWINT, XCNMPRV): New.
8637         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8638         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8639
8640 2005-08-01  Richard Henderson  <rth@redhat.com>
8641
8642         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8643         with auto-inc codes.
8644
8645         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8646
8647 2005-08-01  Jan Hubicka  <jh@suse.cz>
8648
8649         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8650         * i386.c: Include dwarf2.h
8651         (asm_preferred_eh_data_format): New.
8652         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8653
8654 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8655
8656         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8657         randomize_va_space for virtual address randomization control.
8658
8659 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8660
8661         * common.opt (flag_ipa_cp): Put in right place to maintain
8662         alphabetic sort.
8663
8664 2005-08-01  Jan Hubicka  <jh@suse.cz>
8665
8666         * profile.c (compute_value_histograms): Fix thinko.
8667         * value-prof.c: Include toplev.h
8668         (check_counter): New function.
8669         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8670         tree_mod_subtract_transform): Add sanity check.
8671
8672 2005-08-01  Richard Guenther  <rguenther@suse.de>
8673
8674         PR tree-optimization/23133
8675         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8676         current functions parameter decls to find defs to cse
8677         reciprocals of.
8678
8679 2005-08-01  Richard Guenther  <rguenther@suse.de>
8680
8681         PR tree-optimization/23109
8682         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8683         If trapping math is in effect, use post-dominator information
8684         to check if we'd in any case reach a trapping point before
8685         doing the reciprocal insertion.
8686         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8687         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8688         expressions are invariant only if trapping math is not in effect.
8689
8690 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8691
8692         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8693         cgraph_function_versioning): New declarations.
8694         * cgraphunit.c: Add include to ipa-prop.h.
8695         (update_call_expr, cgraph_copy_node_for_versioning,
8696         cgraph_function_versioning): New functions.
8697         * integrate.c (copy_decl_for_inlining): Remove.
8698         * ipa-prop.h (ipa_replace_map): New struct.
8699         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8700         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8701         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8702         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8703         ipcp_iterate_stage, ipcp_method_scale_print,
8704         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8705         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8706         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8707         ipcp_update_bb_counts, ipcp_update_profiling,
8708         ipcp_update_edges_counts): New functions.
8709         (ipcp_method_cval_init): Remove restriction regarding local methods.
8710         (ipcp_init_stage): Add ipcp_method_compute_scale.
8711         (ipcp_insert_stage): Add versioning.
8712         (ipcp_structures_print): Add ipcp_method_scale_print.
8713         (ipcp_driver): Dump profiling info.
8714         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8715         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8716         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8717         (struct inline_data): Add versioning_p, ipa_info, new fields.
8718         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8719         declare_return_variable): Replace calls to copy_decl_for_inlining with
8720         copy_decl_for_dup.
8721         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8722         versioning support.
8723         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8724         Add argument VERSIONING.
8725         (copy_arguments_for_versioning, copy_static_chain,
8726         function_versionable_p, tree_versionable_function_p,
8727         tree_function_versioning, replace_ref_tree): New functions.
8728         * tree-inline.h: Include varray.h.
8729         (tree_versionable_function_p,  tree_function_versioning,
8730         tree copy_decl_for_dup): New declarations.
8731
8732 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8733
8734         * ipa-cp.c: New file. Contains IPCP specific functionality.
8735         * ipa-prop.h: New file. Contains structures/definitions that can be
8736         used by several interprocedural data flow optimizations (and also IPCP).
8737         * ipa-prop.c: New file.
8738         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8739         * common.opt: Add ipa-cp flag.
8740         * timevar.def: Add IPCP optimization.
8741         * tree-optimize.c (init_tree_optimization_passes): Schedule
8742         pass_ipa_cp.
8743         * tree-pass.h (pass_ipa_cp): Declare.
8744
8745 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8746
8747         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8748         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8749         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8750         config/i386/i386.c, config/mips/mips.h,
8751         config/rs6000/rs6000.h, config/sh/sh.c,
8752         config/stormy16/stormy16.c: Fix comment typos.
8753
8754 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8755
8756         PR c/22311
8757         * c-typeck.c (build_binary_op): Use common_type wrapper on
8758         shortened types.
8759         (common_type): Update comment.
8760
8761 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8762
8763         PR target/23095
8764         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8765         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8766         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8767
8768 2005-07-31  Jan Hubicka  <jh@suse.cz>
8769
8770         * pretty-print.h (pp_widest_integer): New macro.
8771         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8772         counts.
8773
8774 2005-07-31  Jan Hubicka  <jh@suse.cz>
8775
8776         * output.h (enum section_category): Export from varasm.c
8777         (categorize_decl_for_section): Likewise.
8778         * varasm.c (enum section_category): Kill.
8779         (categorize_decl_for_section): Make global.
8780         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8781         Declare.
8782         * i386.c (ix86_section_threshold): New static variable.
8783         (ix86_in_large_data_p, ix86_encode_section_info,
8784         x86_64_elf_unique_section,
8785         x86_64_elf_select_section): New functions.
8786         (TARGET_ENCODE_SECTION_INFO): Define
8787         (override_options): Enable medium model for PIC.
8788         (ix86_expand_prologue): Expand gen_set_got_rex64.
8789         (legitimate_constant_p): Handle new UNSPECs.
8790         (legitimate_pic_address_disp_p): Likewise.
8791         (legitimize_pic_address): Lower MEDIUM model addressing.
8792         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8793         (enum cmodel): Add MEDIUM_PIC.
8794         (SYMBOL_REF_FAR_ADDR_P): New macro.
8795         (SYMBOL_FLAG_FAR_ADDR): New flag.
8796         * i386.md (movdi): Support medium model.
8797         (set_got_rex64): New pattern.
8798         * i386.opt (mlarge-data-threshold): New flag.
8799         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8800         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8801         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8802         TARGET_ASM_UNIQUE_SECTION): New.
8803
8804         * invoke.texi (-mlarge_data_threshold): Document
8805
8806 2005-07-31  Jan Hubicka  <jh@suse.cz>
8807
8808         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8809         (coalesce_vars): Likewise.
8810         * tree-ssa-live.c (coalesce_cost): New.
8811         (build_tree_conflict_graph): Use coalesce_cost.
8812         * tree-ssa-live.h (coalesce_cost): Declare.
8813
8814 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8815
8816         * arm.md (all peepholes for post-increment operations): Delete.
8817         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8818         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8819         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8820         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8821         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8822
8823 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8824
8825         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8826         non-integral types.
8827
8828 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8829
8830         PR target/22582
8831         * doc/invoke.texi: Document -rdynamic.
8832
8833 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8834
8835         PR c/23143
8836         * c-parser.c (c_parser_parms_list_declarator): Call
8837         mark_forward_parm_decls.
8838         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8839         decls with visibility structure.
8840
8841 2005-07-30  Paul Brook  <paul@codesourcery.com>
8842
8843         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8844
8845 2005-07-30  Paul Brook  <paul@codesourcery.com>
8846
8847         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8848         prototype.
8849         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8850         value for mode.
8851         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8852
8853 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8854
8855         PR c/529
8856         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8857         nested function declarators.
8858         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8859         (grokparms): Call warn_if_shadowing for parameters used within the
8860         parameter list.
8861         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8862         not used within the parameter list.
8863         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8864
8865 2005-07-30  Jan Hubicka  <jh@suse.cz>
8866
8867         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8868         * i386.c (ix86_fixup_binary_operands): Likewise.
8869         (ix86_expand_unary_operator): Likewise.
8870         (ix86_expand_fp_absneg_operator): Likewise.
8871         * optabs.c (expand_vec_cond_expr): Validate dest.
8872
8873 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8874
8875         PR c/21720
8876         * real.c (real_from_string): Also set last bit if there is a
8877         nonzero hex digit beyond GCC's internal precision after ".".
8878
8879 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8880
8881         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8882         define_constants.  Change duplicate values to unassigned numbers.
8883         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8884         (*altivec_vspltsf): New.
8885         (altivec_vperm_v4sf): Delete.
8886         (altivec_vperm_<mode>): Use mode macro V.
8887         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8888         (altivec_predicate_v4sf): Delete.
8889         (altivec_predicate_<mode>): Use mode macro V.
8890         (*altivec_lvesfx): New.
8891         (*altivec_stvesfx): New.
8892         (vec_realign_load_v4sf): Delete.
8893         (vec_realign_load_<mode>): Use mode macro V.
8894         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8895         UNSPECV_SET_VRSAVE.
8896
8897 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8898
8899         PR bootstrap/23131
8900         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8901         string.
8902         * configure: Regenerated.
8903
8904 2005-07-29  Paul Brook  <paul@codesourcery.com>
8905
8906         * doc/install.texi: Add link to GFortran binaries wiki page.
8907
8908 2005-07-29  David Ung  <davidu@mips.com>
8909
8910         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8911         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8912         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8913         * config/mips/mips.md (cpu): Add 5kf name.
8914         (includes): Includes 5k.md.
8915         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8916         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8917         -march flag.
8918
8919 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8920
8921         PR 22550
8922         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8923         (cleanup_tree_cfg): ... here.
8924         Call cleanup_tree_cfg_1 until there are no more cleanups to
8925         do.
8926
8927 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8928
8929         * tree-vrp.c (compare_range_with_value): Return true or false
8930         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8931         EQ_EXPR respectively.
8932
8933 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8934
8935         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8936         Fix comment typos.
8937
8938 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8939
8940         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8941         (tree_ssa_dominator_optimize): Increment it.
8942         (dump_dominator_optimization_stats): Print it.
8943
8944 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8945             Steven Bosscher  <stevenb@suse.de>
8946
8947         PR rtl-optimization/23117
8948         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8949         when head == tail.  Tidy comment.
8950
8951 2005-07-28  Richard Henderson  <rth@redhat.com>
8952
8953         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8954         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8955         * jump.c (rtx_renumbered_equal_p): Likewise.
8956         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8957         CONST_INT and CONST_DOUBLE.
8958         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8959         * reload.c (operands_match_p): Special case CONST_INT and
8960         CONST_DOUBLE; check mode earlier.
8961
8962 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8963
8964         PR c/22240
8965         * c-typeck.c (convert_for_assignment): Do not check
8966         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8967
8968 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8969
8970         PR c/22192
8971         * c-typeck.c (composite_type): Prefer constant size arrays to
8972         VLAs.
8973
8974 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8975
8976         PR c/21720
8977         * real.c (real_from_string): Set last bit if there is a nonzero
8978         hex digit beyond GCC's internal precision.
8979
8980 2005-07-28  Richard Henderson  <rth@redhat.com>
8981
8982         PR rtl-opt/22619
8983         * cfgcleanup.c (try_forward_edges): Watch out for end of
8984         insn chain.
8985
8986 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8987
8988         PR c/23106
8989         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8990
8991 2005-07-28  Jan Hubicka  <jh@suse.cz>
8992
8993         * Makefile.in (rtl-profile.o): Kill all traces of it.
8994         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8995         * coverage.h (rtl_coverage_counter_ref): Kill.
8996         * opts.c (flag_speculative_prefetching_set): Kill.
8997         (flag_loop_optimize_set): New.
8998         (common_handle_option): Disable loop optimizer when profiling;
8999         do not handle speculative prefetching.
9000         * passes.c (init_optimization_passes): Replace pass_profiling combo
9001         by branch_prob pass.
9002         * profile.c (compute_value_histograms): Update for simplified value
9003         profiles.
9004         (rtl_register_profile_hooks): Kill.
9005         (pass_profiling): Kill.
9006         (rest_of_handle_branch_prob): Do not profile.
9007         * toplev.c (process_options): Remove speculative prefetching.
9008         * toplev.h (flag_tree_based_profiling): Kill.
9009         * tree-profile.c (prepare_instrumented_value,
9010         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9011         tree_gen_one_value_profiler, do_tree_profiling): Update for
9012         simplified datastructures.
9013         * value-prof.c: Add comment that speculative prefetching was dropped;
9014         update rest of file for simplified datastructures.
9015         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9016         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9017         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9018         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9019         rtl_mod_subtract, gen_speculative_prefetch,
9020         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9021         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9022         (gate_handle_value_profile_transformations,
9023         rest_of_handle_value_profile_transformations,
9024         pass_value_profile_transformations): Kill.
9025         * value-prof.h (histogram_value_t): Remove IL based unions.
9026         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9027         rtl_profile_hooks): Remove hooks.
9028
9029         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9030
9031         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9032         (cgraph_clone_node): Likewise.
9033         * cgraph.h (cgraph_clone_edge): Update prototype.
9034         (cgraph_clone_node): Likewise.
9035         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9036         cgraph_clone_node.
9037         (lookup_recursive_calls): Consider profile.
9038         (cgraph_decide_recursive_inlining): Fix updating; use new
9039         probability argument; use profile.
9040         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9041         * tree-inline.c (copy_bb): Update clal of clone_edge.
9042         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9043
9044         * invoke.texi (min-inline-recursive-probability): Document.
9045
9046 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9047
9048         * doc/install.texi (Configuration): Update Valgrind homepage.
9049
9050 2005-07-28  Richard Henderson  <rth@redhat.com>
9051
9052         PR middle-end/21362
9053         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9054         labels we want to delete.
9055         (cfg_layout_merge_blocks): Likewise.
9056
9057 2005-07-28  Richard Henderson  <rth@redhat.com>
9058
9059         PR target/17692
9060         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9061         when expanding to nothing.
9062
9063 2005-07-28  Josh Conner  <jconner@apple.com>
9064
9065         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9066         (cgraph_decide_inlining_of_small_functions): Likewise.
9067
9068 2005-07-28  Josh Conner  <jconner@apple.com>
9069
9070         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9071         direction of badness if negative.
9072         (cgraph_default_inline_p): Add reason to parameters, and assign it
9073         a value.
9074         (cgraph_decide_inlining_of_small_functions): New parameter in call
9075         to cgraph_default_inline_p.
9076         (cgraph_decide_inlining_incrementally): Likewise.
9077         * cgraphunit.c (decide_is_function_needed): Likewise.
9078         * cgraph.h (cgraph_default_inline_p): Likewise.
9079
9080 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9081
9082         * builtins.c: Fix comment typo(s).
9083         * genautomata.c: Likewise.
9084         * gimplify.c: Likewise.
9085         * tree-dfa.c: Likewise.
9086         * tree-flow-inline.h: Likewise.
9087         * tree-into-ssa.c: Likewise.
9088         * tree-ssa-alias.c: Likewise.
9089         * tree-ssa-ccp.c: Likewise.
9090         * tree-ssa-copy.c: Likewise.
9091         * tree-ssa-dce.c: Likewise.
9092         * tree-ssa-dom.c: Likewise.
9093         * tree-ssa-operands.c: Likewise.
9094         * tree-tailcall.c: Likewise.
9095         * tree-vectorizer.c: Likewise.
9096         * tree-vrp.c: Likewise.
9097         * tree.c: Likewise.
9098
9099 2005-07-28  Jeff Law  <law@redhat.com>
9100
9101         * tree-vrp.c (test_for_singularity): Extracted from  ...
9102         (simplify_cond_using_ranges): Attempt to simplify a relational
9103         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9104
9105 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9106
9107         PR tree-optimization/22506
9108         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9109         phis whose argument is constant.
9110
9111 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9112
9113         PR rtl-optimization/18992
9114         Back out this patch:
9115           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9116           PR optimization/12142
9117           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9118           uses of the register in the SET_SRC.  Remove unnecessary argument.
9119
9120         Replace it with this:
9121         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9122         if flag_non_call_exceptions is set and the insn may trap, pass
9123         pc_rtx as dest for recursion.
9124         In SET_SRC part of SET case, if dest is already set, pass it down
9125         unchanged.
9126
9127 2005-07-28  Jan Hubicka  <jh@suse.cz>
9128
9129         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9130         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9131         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9132         roundoff errors.
9133         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9134         profile when available.
9135
9136 2005-07-28  Jan Beulich <jbeulich@novell.com>
9137
9138         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9139         (ia64_print_operand): Describe and handle 'X'.
9140         (ia64_register_move_cost): Also handle FP_REGS.
9141         (ia64_preferred_reload_class): Likewise.
9142         (ia64_secondary_reload_class): Likewise.
9143         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9144         it. Also check for ITANIUM_CLASS_FLDP.
9145         * config/ia64/ia64.h (FP_REGNO_P): New.
9146         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9147         (reg_class): Add FP_REGS.
9148         (REG_CLASS_NAMES): Adjust for it.
9149         (REG_CLASS_CONTENTS): Likewise.
9150         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9151         (REG_CLASS_FROM_LETTER): Handle 'x'.
9152         (CLASS_MAX_NREGS): Handle FP_REGS.
9153         (MEMORY_MOVE_COST): Likewise.
9154         * config/ia64/ia64.md (itanium_class): Add fldp.
9155         (type): Handle fldp.
9156         (movti_internal): More allowable operand combinations. Use ldfp8 when
9157         splitting unnecessary. Remove predicable attribute. Adjust
9158         itanium_class attribute.
9159         (smuldi3_highpart): Remove outdated comment.
9160         (mulditi3, umulditi3, rotlti3): New expanders.
9161         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9162         (absti2): Disabled new insn for future reference.
9163         Respective new splitters.
9164         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9165         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9166         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9167
9168 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9169
9170         PR rtl-optimization/23047
9171         * simplify-rtx.c (simplify_const_relational_operation): Respect
9172         flag_wrapv for comparisons with ABS.
9173
9174 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9175
9176         PR tree-optimization/22493
9177         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9178         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9179
9180 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9181
9182         * config/frv/frv.opt (moptimize-membar): New.
9183
9184         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9185
9186         * config/frv/frv.h: Remove machine_function definition.
9187
9188         * config/frv/frv.c (struct frv_io): New.
9189         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9190         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9191         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9192         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9193         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9194         (frv_reorg): Call frv_optimize_membar when appropriate.
9195         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9196         (frv_expand_builtin): Adjust calls accordingly.
9197         (frv_io_address_cookie): New function.
9198         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9199         load or store rather than a special insn.  Add ccnstant address and
9200         io-type operands to the membar.
9201         (frv_ifcvt_modify_tests): Unsign regno.
9202         (frv_ifcvt_modify_tests): Same.
9203
9204         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9205         UNSPEC_OPTIONAL_MEMBAR constant.
9206         (builtin_read_<mode>): Delete.
9207         (builtin_write_<mode>): Delete.
9208         ("optional_membar_<mode>"): Add operand.
9209
9210         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9211         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9212         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9213         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9214         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9215         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9216         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9217         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9218         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9219
9220 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9221
9222         * df.c (df_uses_record): Handle SCRATCH.
9223
9224 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9225
9226         PR debug/20161
9227         * passes.c (rest_of_decl_compilation): If decl is a type and
9228         we have encountered errors, don't emit debug information.
9229
9230 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9231
9232         * params.def: Fixed comment.
9233
9234 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9235
9236         PR target/19885
9237         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9238         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9239         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9240
9241 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9242
9243         PR c++/22003
9244         * varasm.c (assemble_start_function): Don't do anything that may
9245         require a CFG if the current function is a thunk.
9246
9247 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9248
9249         * doc/install.texi (Prerequisites): Mention that perl is needed
9250         to do export control in libstdc++ targetting Darwin.
9251
9252 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9253
9254         PR rtl-optimization/17808
9255         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9256         (sched_insns_conditions_mutex_p): Split out from...
9257         (add_dependence): ...here.  But don't call it from here.
9258         (add_dependence_list): Check sched_insns_conditions_mutex_p
9259         before calling add_dependence.
9260         (add_dependence_list_and_free): Likewise.
9261         (fixup_sched_groups): Likewise.
9262         (sched_analyze_1): Likewise.
9263         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9264         (sched_analyze): Likewise.
9265         (sched_analyze_insn): Likewise.
9266         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9267         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9268         dependencies on all COND_EXEC insns to jumps ending basic blocks
9269         when doing intrablock scheduling.
9270         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9271
9272 2005-07-27  Jeff Law  <law@redhat.com>
9273
9274         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9275         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9276         equivalency sets, correctly handle the case were vr0 has an
9277         equivalency set, but vr1 does not.
9278
9279 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9280
9281         PR tree-optimization/23073
9282         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9283         vect_print_dump_info before fprintf.
9284
9285 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9286
9287         PR tree-optimize/22348
9288         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9289         Fold the partial computation.
9290
9291 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9292
9293         PR tree-optimization/22325
9294         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9295         Declare.
9296         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9297         value replacement.
9298         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9299         (force_var_cost): ... this function.
9300         (compute_phi_arg_on_exit): Export.
9301
9302 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9303
9304         PR tree-optimization/20773
9305         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9306         edge.
9307
9308 2005-07-27  Richard Guenther  <rguenther@suse.de>
9309
9310         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9311         Avoid pushing again if current struct contains only
9312         fields we decomposed.
9313
9314 2005-07-27  Jan Hubicka  <jh@suse.cz>
9315
9316         PR tree-optimization/22574
9317         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9318         not available.
9319
9320         * tree-tailcall.c (decrease_profile): New function.
9321         (eliminate_tail_call): Use it.
9322
9323         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9324         visibility flags correctly in whole program mode.
9325
9326 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9327
9328         PR rtl-optimization/22472
9329         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9330
9331 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9332
9333         PR tree-optimization/22504
9334         * tree-complex.c (expand_complex_addition): Use 'code' instead
9335         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9336
9337 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9338
9339         * config.gcc (cpu_type): Add frv case.
9340         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9341         (supported_defaults): Add fr550 case.
9342
9343 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9344
9345         PR 22591
9346         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9347         whether a pointer of type T * may point to objects of type T *.
9348
9349 2005-07-26  DJ Delorie  <dj@redhat.com>
9350
9351         * configure: Regenerate.
9352
9353 2005-07-26  Dale Johannesen  <dalej@apple.com>
9354
9355         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9356
9357 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9358
9359         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9360         Clarify use of "build" in name.
9361
9362 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9363
9364         * doc/extend.texi (Raw read/write Functions): New section.
9365         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9366         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9367         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9368         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9369         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9370         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9371         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9372         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9373         * config/frv/frv.c: Add bdesc_loads global.
9374         Add bdesc_stores global.
9375         (frv_init_builtins): Add support for __builtin_{read/write}*.
9376         (frv_volatile_memref): New.
9377         (frv_expand_load_builtin): New.
9378         (frv_expand_store_builtin): New.
9379         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9380         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9381         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9382         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9383         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9384         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9385         (builtin_read_<mode>): New.
9386         (builtin_write_<mode>): New.
9387         (builtin_write64): New.
9388         (optional_membar_<mode>): New.
9389
9390 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9391
9392         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9393         (rather than units) against HOST_BITS_PER_WIDE_INT.
9394
9395 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9396
9397         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9398         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9399         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9400         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9401         FSF address.
9402
9403         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9404         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9405         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9406         comment typos.
9407         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9408
9409 2005-07-26  Richard Guenther  <rguenther@suse.de>
9410
9411         PR tree-optimization/22486
9412         * fold-const.c (fold_unary): Fold away useless component
9413         references of the form (T *)&T.x, if the address
9414         doesn't change.
9415
9416 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9417
9418         * dwarf2out.c (add_call_src_coords_attributes): New.
9419         (gen_inlined_subroutine_die): Call it.
9420         (maybe_emit_file, init_file_table): Add comments.
9421         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9422         maybe_emit_file.
9423         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9424         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9425         * tree.h (BLOCK_SOURCE_LOCATION): New.
9426         (struct tree_block): New field locus.
9427
9428 2005-07-26  Andreas Schwab  <schwab@suse.de>
9429
9430         PR rtl-optimization/23043
9431         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9432         when allocating a struct unoccr.
9433
9434 2005-07-25  Richard Henderson  <rth@redhat.com>
9435
9436         PR 22626
9437         * tree-complex.c (gate_no_optimization): True if errors.
9438         * Makefile.in (tree-complex.o): Update dependencies.
9439
9440 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9441
9442         * config/frv/predicates.md (integer_register_operand): Use
9443         GPR_AP_OR_PSEUDO_P.
9444
9445 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9446
9447         PR tree-opt/22484
9448         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9449         after fold.
9450         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9451
9452 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9453
9454         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9455         types when flag_unsafe_math_optimizations is true.
9456
9457 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9458
9459         * gcc.c (option_map): Add --sysroot.
9460         (process_command): Handle --sysroot.
9461         (display_help): Document it.
9462         * doc/cppopts.tex (-isysroot): Document.
9463         * doc/invoke.texi (--sysroot): Document.
9464         * doc/install.texi (--with-build-sysroot): Document.
9465
9466         * Makefile.in (inhibit_libc): New variable.
9467         (INHIBIT_LIBC_CFLAGS): Likewise.
9468         (LIBGCC2_CFLAGS): Include
9469         $(INHIBIT_LIBC_CFLAGS).
9470         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9471         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9472         ($(T)crtend.o): Likewise.
9473         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9474         ($(T)crtendS.o): Likewise.
9475         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9476         ($(T)crtendT.o): Likewise.
9477         (stmp-fixinc): Do not complain about missing headers if
9478         inhibit_libc.
9479         * configure.ac (inhibit_libc): Set it to true/false.
9480         (--with-build-sysroot): New option.  Use it to set
9481         SYSTEM_HEADER_DIR.
9482         * configure: Regenerated.
9483
9484 2005-07-25  Manfred Hollstein  <mh@suse.com>
9485
9486         * calls.c (store_one_arg): Fix unsigned comparison warning.
9487
9488 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9489
9490         PR other/22337
9491         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9492         (ggc_print_statistics): Initialize variable before use.
9493
9494 2005-07-25  Richard Guenther  <rguenther@suse.de>
9495
9496         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9497         calling with a PHI_NODE argument.
9498
9499         * tree-flow-inline.h (overlap_subvar): Protect against
9500         possible overflow.
9501
9502 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9503
9504         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9505         * configure: Regenerate.
9506
9507 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9508
9509         * expr.c (highest_pow2_factor): Make extern.
9510         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9511         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9512         record_array_differ_p, array_ptr_differ_p): Likewise.
9513         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9514         additional cases. Call the above functions.
9515         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9516         base_object_differ_p when there are two base objects. Otherwise, compare
9517         base address and offset. Call may_alias_p.
9518         (dump_data_reference): Use a correct field name.
9519         (analyze_array): Make static. Initialize new data-ref fields.
9520         (analyze_indirect_ref): New function.
9521         (init_data_ref): Initialize new data-ref fields.
9522         (strip_conversion): Moved from tree-vect-analyze.c.
9523         (analyze_offset_expr, get_ptr_offset, address_analysis,
9524         object_analysis): Likewise.
9525         (analyze_offset): New function.
9526         (create_data_ref): Likewise.
9527         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9528         dimensions for ARRAY_REFs only.
9529         (build_classic_dist_vector): Make static.
9530         (access_functions_are_affine_or_constant_p): Call macro to get the
9531         address of access functions.
9532         (compute_all_dependences): Add new parameter
9533         compute_self_and_read_read_dependences. Compute self and read-read
9534         dependences if it is true.
9535         (find_data_references_in_loop): Call create_data_ref. Initialize new
9536         data-ref fields.
9537         (compute_data_dependences_for_loop): Add new parameter
9538         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9539         compute nb_loops. Call compute_all_dependences,
9540         build_classic_dist_vector and build_classic_dir_vector with correct
9541         parameters.
9542         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9543         with correct parameters. Compare dimensions for ARRAY_REFs only.
9544         (free_data_refs): Call macro to free access functions.
9545         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9546         fields from stmt_vinfo.
9547         (struct base_object_info): New structure.
9548         (struct data_reference): Move fields to base_object_info. Add fields
9549         first_location and object_info for above structures. Move fields from
9550         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9551         aligned_to.  Add macros to access the new fields.
9552         Update functions declarations.
9553         * tree-flow.h (is_aliased_with): Declare.
9554         * tree-loop-linear.c (linear_transform_loops): Call
9555         compute_data_dependences_for_loop with correct parameters.
9556         * tree-ssa-alias.c (is_aliased_with): New function.
9557         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9558         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9559         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9560         vect_base_addr_differ_p, compute_subscript_distance and
9561         build_classic_dist_vector. Add printings. Check absolute value of
9562         distance.
9563         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9564         data-refs.
9565         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9566         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9567         to bytes. Add printing.
9568         (vect_compute_data_refs_alignment): Go through loads and stores in one
9569         loop.
9570         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9571         vect_analyze_data_ref_access): Likewise.
9572         (vect_analyze_pointer_ref_access): Remove.
9573         (vect_address_analysis, vect_object_analysis): Likewise.
9574         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9575         and analyze data-refs in the loop.
9576         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9577         fields of data-ref instead of stmt. Add init to the offset from the
9578         base.
9579         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9580         (vect_update_init_of_dr): Likewise.
9581         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9582         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9583         removed fields.
9584         (new_loop_vec_info): Initialize new fields.
9585         (destroy_loop_vec_info): Free new fields.
9586         (vect_strip_conversion): Remove.
9587         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9588         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9589         datarefs. Add new field ddrs.
9590         Add macros for the new fields access.
9591         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9592         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9593         Remove their macros.
9594         * tree.h (highest_pow2_factor): Declare.
9595
9596 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9597
9598         * calls.c (store_one_arg): Check for sibling call MEM arguments
9599         from already clobbered incoming argument area.
9600
9601 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9602
9603         * c-common.c (check_missing_format_attribute): New.
9604         * c-common.h (check_missing_format_attribute): Likewise.
9605         * c-typeck.c (convert_for_assignment): Use it.
9606
9607 2005-07-24  Andreas Schwab  <schwab@suse.de>
9608
9609         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9610         register use a word move.  Correct operand of ext.w in 68000 code.
9611
9612 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9613
9614         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9615         variables as declarations, rather than definitions.
9616
9617 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9618
9619         PR tree-optimization/22526
9620         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9621         of the zero node.
9622
9623 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9624
9625         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9626         that C99 reserve for future use. Use it to define clog10,
9627         clog10f and clog10l.
9628
9629 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9630
9631         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9632         * configure.ac: Check for -Wmissing-format-attribute.
9633
9634         * configure: Regenerate.
9635
9636 2005-07-23  Richard Henderson  <rth@redhat.com>
9637
9638         PR tree-optimization/22623
9639         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9640
9641 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9642
9643         PR target/22577
9644         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9645
9646 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9647
9648         * Makefile.in (C_TREE_H): Update dependencies.
9649         * c-tree.h: Include toplev.h.
9650         * diagnostic.h (diagnostic_set_info): Add format attribute.
9651         * rtl-error.c (diagnostic_for_asm): Likewise.
9652
9653 2005-07-23  Chao-ying Fu  <fu@mips.com>
9654
9655         * config/mips/mips-dsp.md: New file.
9656         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9657         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9658         functions.
9659         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9660         MIPS_BUILTIN_BPOSGE32.
9661         (mips_expand_builtin_direct): Add one parameter to indicate that
9662         builtin functions need to return a value.
9663         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9664         functions.
9665         (mips_regno_to_class): Add classes for 12 new DSP registers.
9666         (mips_subword): Change to check four HI registers.
9667         (mips_output_move): Output move to and from 6 new DSP accumulators.
9668         (override_options): Make sure -mdsp and -mips16 are not used together.
9669         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9670         for machine modes.
9671         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9672         when !TARGET_DSP.
9673         (print_operand): Add 'q' for printing DSP accumulators.
9674         (mips_cannot_change_mode_class): Check ACC_REGS.
9675         (mips_secondary_reload_class): Check ACC_REGS.
9676         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9677         (mips_register_move_cost): Check ACC_REGS.
9678         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9679         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9680         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9681         (dsp_bdesc): New array.
9682         (bdesc_arrays): Add DSP builtin function table.
9683         (mips_prepare_builtin_arg): Check predicate again after
9684         copy_to_mode_reg.
9685         (mips_expand_builtin): Add one more parameter to
9686         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9687         MIPS_BUILTIN_BPOSGE32.
9688         (mips_init_builtins): Initialize new function types.
9689         (mips_expand_builtin_direct): Check if builtin functions need to
9690         return a value and pass operands properly.
9691         (mips_expand_builtin_bposge): New function.
9692         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9693         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9694         (FIRST_PSEUDO_REGISTER): Increase to 188.
9695         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9696         Update for 12 new DSP registers.
9697         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9698         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9699         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9700         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9701         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9702         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9703         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9704         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9705         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9706         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9707         (REGISTER_NAMES): Add names for 12 new DSP registers.
9708         * config/mips/mips.md: Include mips-dsp.md.
9709         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9710         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9711         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9712         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9713         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9714         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9715         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9716         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9717         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9718         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9719         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9720         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9721         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9722         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9723         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9724         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9725         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9726         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9727         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9728         (UNSPEC_RDDSP): New constants.
9729         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9730         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9731         A<-d alternative.
9732         * config/mips/mips.opt (-mdsp): New option.
9733         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9734         (reg_imm10_operand): New predicates.
9735         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9736         * doc/invoke.texi (-mdsp): Document new option.
9737
9738 2005-07-22  DJ Delorie  <dj@redhat.com>
9739
9740         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9741         to warning calls.
9742         * tree-inline.c (inlinable_function_p): Likewise.
9743
9744 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9745
9746         PR debug/21828
9747         * toplev.c (check_global_declarations): Do not mark undefined
9748         variables as DECL_IGNORED_P.
9749         * varasm.c (first_global_object_name): GTY it.
9750         (weak_global_object_name): Likewise.
9751         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9752         a string to go into {weak,first}_global_object_name.
9753
9754 2005-07-22  DJ Delorie  <dj@redhat.com>
9755
9756         * c-format.c (check_function_format): Change warning control
9757         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9758
9759 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9760
9761         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9762         &PTR->FLD a dereference of PTR.
9763         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9764         a potential dereference of PTR.
9765
9766 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9767
9768         PR rtl-optimization/20370
9769         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9770         call allocate_reg_info if necessary.
9771
9772         PR rtl-optimization/21848
9773         * calls.c (emit_library_call_value_1): For const functions, add
9774         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9775
9776         PR rtl-optimization/22445
9777         * cselib.c (target.h): Include.
9778         (rtx_equal_for_cselib_p): Allow commutative matches.
9779         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9780         Remove MODE parameter.  Changed all callers.
9781
9782         PR rtl-optimization/22258
9783         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9784         New functions.
9785         (try_combine): Use likely_spilled_retval_p.
9786
9787 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9788
9789         * config.gcc: Add crx-elf support.
9790
9791         * doc/contrib.texi: Mention crx.
9792         * doc/extend.texi: Document crx extensions.
9793         * doc/install.texi: Document crx install.
9794         * doc/invoke.texi: Document crx options.
9795         * doc/md.texi: Document crx constraints.
9796
9797         * config/crx/crx-protos.h: New file.
9798         * config/crx/crx.c: New file.
9799         * config/crx/crx.h: New file.
9800         * config/crx/crx.md: New file.
9801         * config/crx/crx.opt: New file.
9802         * config/crx/t-crx: New file.
9803
9804 2005-07-22  Manfred Hollstein  <mh@suse.com>
9805
9806         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9807         warnings.
9808         (int_add_graph_edge): Likewise.
9809         (collapse_nodes): Likewise.
9810         (process_unification_queue): Likewise.
9811
9812 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9813             Laurent GUERBY  <laurent@guerby.net>
9814
9815         PR tree-optimization/22336
9816         * function.c (record_block_change): Check for
9817         cfun->ib_boundaries_block.
9818
9819 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9820
9821         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9822         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9823
9824 2005-07-21  DJ Delorie  <dj@redhat.com>
9825
9826         * toplev.c (warn_deprecated_use): Add warning control to warning
9827         call.
9828         * c-typeck.c (parser_build_binary_op): Likewise.
9829         (c_finish_if_stmt): Likewise.
9830         * c-common.c (check_function_sentinel): Likewise.
9831         (check_nonnull_arg): Likewise.
9832
9833 2005-07-21  Richard Henderson  <rth@redhat.com>
9834
9835         PR tree-opt/22504
9836         * tree-complex.c (complex_ssa_name_components): New.
9837         (cvc_lookup): Allow entry not found.
9838         (create_components): Remove.
9839         (create_one_component_var, get_component_var): New.
9840         (get_component_ssa_name, set_component_ssa_name): New.
9841         (extract_component): Use get_component_ssa_name.
9842         (update_complex_components): Use set_component_ssa_name.
9843         (update_complex_components_on_edge): Likewise.
9844         (update_phi_components): Create new PHI nodes directly, instead
9845         of adding insns to edges.
9846         (tree_lower_complex): Allocate and free complex_variable_components
9847         and complex_ssa_name_components here.
9848
9849 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9850
9851         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9852         revert to returning false.
9853
9854 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9855
9856         PR target/21149
9857         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9858
9859 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9860
9861         PR target/22576
9862         * config/i386/i386.md (cmpxf): Change operand constraints
9863         to "nonmemory_operand".
9864
9865 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9866
9867         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9868
9869 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9870
9871         PR middle-end/21180
9872         * fold-const.c (fold_build1): Add checksum for the operands.
9873         (fold_build2): Likewise.
9874         (fold_build3): Likewise.
9875
9876 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9877
9878         PR middle-end/19055
9879         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9880
9881 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9882
9883         * common.opt (-fforward-propagate): Committed by mistake,
9884         removed.
9885
9886 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9887
9888         * reg-stack.c: Fix comment typo(s).
9889         * tree-ssa-operands.c: Likewise.
9890         * tree-vectorizer: Likewise.
9891
9892 2005-07-21  Nick Clifton  <nickc@redhat.com>
9893
9894         * config/sh/symbian.c: Replace C++ style line comments with C
9895         style line comments.
9896         (symbian_add_attribute): Do not use a ? operator on the LHS of
9897         an assignment.
9898         (sh_symbian_handle_dll_attribute): Change the type of the
9899         method vector to "VEC(tree,gc)*" and use vector accessor
9900         macros to walk over the elements.
9901         (symbian_export_vtable_and_rtti_p): Likewise.
9902         (symbian_class_needs_attribute_p): Likewise.
9903
9904 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9905
9906         PR target/22085
9907         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9908         initialize targetm.resolve_overloaded_builtin here.
9909         (altivec_expand_overloaded_builtin): Make it non-static.
9910         * config/rs6000/rs6000-protos.h
9911         (altivec_expand_overloaded_builtin): New prototype.
9912         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9913         targetm.resolve_overloaded_builtin here.
9914         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9915
9916 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9917             Zdenek Dvorak  <dvorakz@suse.cz>
9918
9919         PR tree-optimization/19210
9920         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9921         New.
9922         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9923         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9924         rely on unproven assumptions.
9925         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9926         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9927         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9928         to number_of_iterations_exit.
9929         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9930         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9931         * tree-ssa-loop-niter.c (find_loop_niter,
9932         estimate_numbers_of_iterations_loop): Likewise.
9933         (number_of_iterations_exit): Honor the new options.
9934         * doc/invoke.texi (Wunsafe-loop-optimizations,
9935         funsafe-loop-optimizations): Document them.
9936
9937 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9938
9939         PR rtl-optimization/22167
9940         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9941
9942 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9943
9944         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9945         __do_global_dtors_aux longcall.
9946
9947 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9948
9949         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9950         (old_special_pred_table): Don't reference
9951         SPECIAL_MODE_PREDICATES.
9952         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9953         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9954         * config/sh/predicates.h: Don't mention
9955         SPECIAL_MODE_PREDICATES.
9956         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9957         Remove.
9958
9959 2005-07-20  DJ Delorie  <dj@redhat.com>
9960
9961         * config.gcc: Add m32c-elf support.
9962
9963         * doc/contrib.texi: Mention m32c.
9964         * doc/extend.texi: Document m32c extensions.
9965         * doc/install.texi: Mention m32c.
9966         * doc/invoke.texi: Document m32c options.
9967         * doc/md.texi: Document m32c constraints.
9968
9969         * config/m32c/addsub.md: New file.
9970         * config/m32c/bitops.md: New file.
9971         * config/m32c/cond.md: New file.
9972         * config/m32c/jump.md: New file.
9973         * config/m32c/m32c-lib1.S: New file.
9974         * config/m32c/m32c-lib2.c: New file.
9975         * config/m32c/m32c-modes.def: New file.
9976         * config/m32c/m32c-pragma.c: New file.
9977         * config/m32c/m32c-protos.h: New file.
9978         * config/m32c/m32c.abi: New file.
9979         * config/m32c/m32c.c: New file.
9980         * config/m32c/m32c.h: New file.
9981         * config/m32c/m32c.md: New file.
9982         * config/m32c/m32c.opt: New file.
9983         * config/m32c/minmax.md: New file.
9984         * config/m32c/mov.md: New file.
9985         * config/m32c/muldiv.md: New file.
9986         * config/m32c/predicates.md: New file.
9987         * config/m32c/prologue.md: New file.
9988         * config/m32c/shift.md: New file.
9989         * config/m32c/t-m32c: New file.
9990
9991 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9992
9993         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9994         (stack_protect_set, stack_protect_test): New expanders.
9995         (stack_protect_set_si, stack_protect_set_si_media,
9996         stack_protect_set_di_media, stack_protect_test_si,
9997         stack_protect_test_si_media, stack_protect_test_di_media):
9998         New insns.
9999
10000 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10001
10002         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10003
10004 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10005
10006         * tree.h (tree_expr_nonzero_p): Export.
10007         * fold-const.c (tree_expr_nonzero_p): Likewise.
10008         Return true for CALL_EXPRs that are alloca calls.
10009         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10010         against zero.
10011         * tree-flow.h (expr_computes_nonzero): Remove.
10012         * tree-vrp.c (expr_computes_nonzero): Remove.
10013         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10014         (extract_range_from_unary_expr): Likewise.
10015         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10016         tree_expr_nonzero_p.
10017
10018 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10019
10020         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10021         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10022         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10023         All callers changed.
10024         (frame_related_constant_load): New arg "related" which controls
10025         setting of RTX_FRAME_RELATED_P.  All callers changed.
10026         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10027         (bfin_expand_prologue): Add stack limit checking.
10028         * config/bfin/bfin.md (trapifcc): New pattern.
10029
10030         * config/bfin/bfin.c: Include "langhooks.h".
10031         (def_builtin): Go through lang_hooks to call builtin_function.
10032
10033         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10034         * config/bfin/predicates.md (symbol_ref_operand): New.
10035         (call_insn_operand): Delete.  All callers changed to use
10036         register_no_elim_operand.
10037         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10038         call_cookie field.
10039         (function_arg): Use it to generate the call's operand 2.
10040         (bfin_longcall_p): New function.
10041         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10042         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10043         determine if the address needs to be in a REG.
10044         (bfin_handle_longcall_attribute): New function.
10045         (bfin_attribute_table): Add "longcall" and "shortcall".
10046         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10047         (CUMULATIVE_ARGS): New member call_cookie.
10048         (PREDICATE_CODES): Add symbol_ref_operand.
10049         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10050         extra USE to the pattern.
10051         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10052         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10053         sibcall_value_insn; now the new patterns handle direct calls and the
10054         old ones indirect calls.
10055         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10056
10057 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10058
10059         * doc/trouble.texi: Update section on handling of empty loops.
10060
10061 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10062
10063         * config.gcc: Remove support for sparc-*-openbsd*,
10064         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10065         ns32k-*-netbsd*.
10066         * config.host: Remove support for i860-*-sysv4* as a host.
10067         * config/i860/*, config/ip2k/*, config/ns32k/*,
10068         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10069         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10070         mention obsolete ports.
10071
10072 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10073
10074         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10075         soft frame pointer.
10076         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10077         of frame_pointer_rtx.
10078         (sh_expand_epilogue): Likewise.
10079         (sh_set_return_address): Likewise.
10080         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10081         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10082         offsets from FRAME_POINTER_REGNUM.
10083         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10084         (sh_register_names): Add initializer for sfp.
10085         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10086         (VALID_REGISTER_P): Likewise.
10087         (FIRST_PSEUDO_REGISTER): Update.
10088         (DWARF_FRAME_REGISTERS): Define.
10089         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10090         (HARD_FRAME_POINTER_REGNUM): Define.
10091         (FRAME_POINTER_REGNUM): Redefine.
10092         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10093         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10094         from FRAME_POINTER_REGNUM.
10095         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10096         FRAME_POINTER_REGNUM.
10097         (REG_CLASS_CONTENTS): Add sfp.
10098         (REG_ALLOC_ORDER): Likewise.
10099         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10100         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10101         of frame_pointer_rtx.
10102         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10103
10104 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10105
10106         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10107         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10108         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10109         of an ABS_EXPR.
10110         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10111         ABS_EXPR<x>.
10112
10113 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10114
10115         Make CONSTRUCTOR use VEC to store initializers.
10116         * c-common.c (complete_array_type): Update to cope with VEC in
10117         CONSTRUCTOR_ELTS.
10118         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10119         (pp_c_constructor_elts): New function.
10120         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10121         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10122         struct constructor_stack, struct initializer_stack,
10123         constructor_elements, push_init_level, pop_init_level,
10124         add_pending_init, find_init_member, output_init_element): Update to
10125         cope with VEC in CONSTRUCTOR_ELTS.
10126         * coverage.c (build_fn_info_value, build_ctr_info_value,
10127         build_gcov_info): Likewise.
10128         * expr.c (categorize_ctor_elements_1, store_constructor,
10129         expand_expr_real_1): Likewise.
10130         * fold-const.c (fold_ternary): Likewise.
10131         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10132         gimplify_init_constructor, gimplify_expr): Likewise.
10133         * tree-dump.c (dequeue_and_dump): Likewise.
10134         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10135         node.
10136         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10137         CONSTRUCTOR_ELTS.
10138         * tree-sra.c (generate_element_init_1): Likewise.
10139         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10140         * tree-ssa-operands.c (get_expr_operands): Likewise.
10141         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10142         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10143         (get_initial_def_for_reduction): Likewise.
10144         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10145         value handle in annotations.
10146         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10147         tree_node_structure): Add support for constr_kind.
10148         (build_vector_from_ctor, build_constructor_single,
10149         build_constructor_from_list): New functions.
10150         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10151         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10152         Update to cope with VEC in CONSTRUCTOR_ELTS.
10153         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10154         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10155         CONSTRUCTOR_APPEND_ELT): New macros.
10156         (struct constructor_elt, struct tree_constructor): New data types.
10157         (union tree_node): Add tree_constructor field.
10158         * treestruct.def: Define TS_CONSTRUCTOR.
10159         * varasm.c (const_hash_1, compare_constant, copy_constant,
10160         compute_reloc_for_constant, output_addressed_constants,
10161         initializer_constant_valid_p, output_constant,
10162         array_size_for_constructor, output_constructor): Update to cope with
10163         VEC in CONSTRUCTOR_ELTS.
10164         * vec.h (VEC_empty, VEC_copy): New macros.
10165
10166 2005-07-19  Devang Patel  <dpatel@apple.com>
10167
10168         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10169
10170 2005-07-19  Richard Henderson  <rth@redhat.com>
10171
10172         PR tree-opt/22278
10173         * gimplify.c (gimplify_expr): Use main variant type for the temp
10174         destination for a discarded volatile read.
10175         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10176         casts between non-void types that change volatility.
10177
10178 2005-07-15  DJ Delorie  <dj@redhat.com>
10179
10180         * toplev.h: Add comment about the first parameter for warning().
10181         * errors.h: Likewise.
10182
10183         * c.opt (Wpragmas): New.
10184         * doc/invoke.texi: Document it.
10185
10186         * function.c (do_warn_unused_parameter): Add warning control to
10187         warning call.
10188         * c-decl.c (warn_if_shadowing): Likewise.
10189         * c-lex.c (cb_def_pragma): Likewise.
10190         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10191         (pop_alignment): Likewise.
10192         (handle_pragma_pack): Likewise.
10193         (apply_pragma_weak): Likewise.
10194         (handle_pragma_weak): Likewise.
10195         (handle_pragma_redefine_extname): Likewise.
10196         (add_to_renaming_pragma_list): Likewise.
10197         (handle_pragma_extern_prefix): Likewise.
10198         (maybe_apply_renaming_pragma): Likewise.
10199         (handle_pragma_visibility): Likewise.
10200
10201         * config/c4x/c4x-c.c (BAD): Likewise.
10202         (c4x_parse_pragma): Likewise.
10203         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10204         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10205         (rs6000_pragma_longcall): Likewise.
10206         * config/v850/v850-c.c (pop_data_area): Likewise.
10207         (ghs_pragma_section): Likewise.
10208         (ghs_pragma_section): Likewise.
10209         (ghs_pragma_interrupt): Likewise.
10210         (ghs_pragma_starttda): Likewise.
10211         (ghs_pragma_startsda): Likewise.
10212         (ghs_pragma_startzda): Likewise.
10213         (ghs_pragma_endtda): Likewise.
10214         (ghs_pragma_endsda): Likewise.
10215         (ghs_pragma_endzda): Likewise.
10216
10217 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10218             Kenneth Zadeck <zadeck@naturalbridge.com>
10219
10220         * Makefile.in: Removed tree-promote-statics.c
10221         * tree-promote-statics.c: Removed.
10222         * common.opt: Removed flag-promote-statics.
10223         * opts.c: Ditto.
10224         * passes.c: Removed tree-promote-statics pass.
10225         * tree-pass.h: Ditto.
10226         * timevar.def: Removed TV_PROMOTE_STATICS.
10227
10228
10229 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10230
10231         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10232         and *-*-freebsd9.
10233         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10234
10235 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10236
10237         PR c/22476
10238         * c-common.c (check_function_arguments): Call
10239         'check_function_format' if either -Wformat or
10240         -Wmissing-format-attribute are specified.
10241         * c-format.c (check_function_format): Check -Wformat before
10242         calling 'check_format_info'.
10243         * c-opts.c (c_common_post_options): Don't warn for
10244         -Wmissing-format-attribute without -Wformat.
10245         * c-typeck.c (convert_for_assignment): Detect additional cases for
10246         -Wmissing-format-attribute.
10247         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10248         behavior.
10249
10250 2005-07-19  Richard Guenther  <rguenther@suse.de>
10251
10252         * config/i386/i386.md (lrint<mode>2): Use temporary
10253         instead of clobbering non-existent memory.
10254
10255 2005-07-19  Nick Clifton  <nickc@redhat.com>
10256
10257         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10258         statement to avoid displaying ASCII control characters.
10259
10260 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10261
10262         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10263         * cfganal.c (find_edge_index): Ditto.
10264         * combine.c (combine_instructions): Ditto.
10265         * ddg.c (create_scc): Ditto.
10266         (find_successors): Ditto.
10267         (find_predecessors): Ditto.
10268         (find_nodes_on_paths): Ditto.
10269         (longest_simple_path): Ditto.
10270         * flow.c (update_life_info): Ditto.
10271         (count_or_remove_death_notes): Ditto.
10272         (clear_log_links): Ditto.
10273         * modulo-sched.c (generate_reg_moves): Ditto.
10274         (find_max_asap): Ditto.
10275         (find_max_hv_min_mob): Ditto.
10276         (find_max_dv_min_mob): Ditto.
10277         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10278         * sched-rgn.c (extract_edgelst): Ditto.
10279         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10280         (dump_update_ssa): Ditto.
10281         (ssa_names_to_replace) Ditto.
10282         (switch_virtuals_to_full_rewrite): Ditto.
10283         (update_ssa): Ditto.
10284         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10285
10286 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10287
10288         Fix PR tree-optimization/22483
10289
10290         * tree-complex.c (create_components): Use
10291         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10292         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10293         * tree-flow.h (safe_referenced_var_iterator): New structure.
10294         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10295         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10296         safe_referenced_var iterator.
10297         (add_type_alias): Ditto.
10298
10299 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10300
10301         * loop-init.c (rest_of_handle_loop2): Remove.
10302         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10303         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10304         (pass_rtl_loop_init, pass_rtl_loop_done,
10305         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10306         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10307         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10308         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10309         pass_tree_loop_done, and pass_tree_unswitch.
10310         (gate_loop): Rename to gate_tree_loop.
10311         * passes.c (init_optimization_passes): Update for renamed tree
10312         loop passes.  Add the new loop2 passes as subpasses of loop2.
10313         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10314         Update for the renamed tree loop passes.
10315
10316 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10317
10318         PR middle-end/22057
10319         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10320         blocks when optimizing.
10321
10322 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10323
10324         * common.opt (frename-registers): Initialize to 2.
10325         (fweb): Ditto.
10326         (fgcse-after-reload): Ditto.
10327         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10328         (process_options): Only change flag_web, flag_rename_registers,
10329         and flag_rerun_cse_after_loop if not explicitly set by user.
10330
10331 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10332
10333         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10334         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10335         in 64-bit mode the same as DImode in 32-bit mode.
10336         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10337         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10338         mode. Add new mode parameter.
10339         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10340         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10341         x86_64_shift_adj): New expanders.
10342         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10343         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10344         insns.
10345         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10346         DImode shift splitters.
10347         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10348         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10349         mode parameter.
10350
10351 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10352
10353         * i386.md (movdi_extzv_1): New.
10354         (zero_extendhidi2): Combine alternatives and never force use of
10355         REX64 prefix.
10356         (zero_extendqidi2): Likewise. Don't restrict input selection.
10357
10358 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10359
10360         Fix PR tree-optimization/22531
10361         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10362          moment.
10363
10364 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10365
10366         * tree-promote-statics.c (pass_promote_statics): Change dump file
10367          name.
10368
10369 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10370
10371         * tree-optimize.c (init_tree_optimization_passes): Add
10372         pass_eliminate_useless_stores pass.
10373         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10374         * tree-ssa-pre.c (is_copy_stmt): New function.
10375         (follow_copies_till_vuse): Ditto.
10376         (do_eustores): Ditto.
10377         (gate_eustores): Ditto.
10378
10379 2005-07-16  Richard Henderson  <rth@redhat.com>
10380
10381         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10382
10383 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10384            Kenneth Zadeck <zadeck@naturalbridge.com>
10385
10386         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10387         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10388         ipa-type-escape.h, tree-promote-statics.c
10389         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10390         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10391         tree-promote-statics.c: new files.
10392         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10393         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10394         int nonlocal_set_p, mark_constant_function): Deleted.
10395         (rest_of_handle_cfg): Removed call to mark_constant_function.
10396         (nonoverlapping_component_refs_p): Added calls to support
10397         type based aliasing.
10398         * tree-ssa-alias.c (may_alias_p,
10399         compute_flow_insensitive_aliasing): Ditto.
10400         * calls.c (flags_from_decl_or_type): Removed reference to
10401         cgraph_rtl_info.
10402         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10403         too many arguments.  This is necessary for Spec 2000.
10404         * cgraph.h (const_function, pure_function): Removed.
10405         * common.opt: Added "fipa-pure-const", "fipa-reference",
10406         "fipa-type-escape", and "ftree-promote-static".
10407         * opts.c: Ditto.
10408         * passes.c: Added ipa and tree-promote-statics passes.
10409         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10410         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10411         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10412         * tree-flow.h: Added exposed sra calls and addition of
10413         reference_vars_info field for FUNCTION_DECLS.
10414         * tree-pass.h: Added passes.
10415         * tree-sra.c: (sra_init_cache): New function.
10416         (sra_insert_before, sra_insert_after) Made public.
10417         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10418         and made public.
10419         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10420         aliasing. (may_alias_p): Added code to use type escape analysis to
10421         improve alias sets.
10422         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10423         code to prune clobbers of static variables based on information
10424         produced in ipa-reference pass.  Changed call clobbering so that
10425         statics are not marked as clobbered if the call does not clobber
10426         them.
10427
10428 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10429
10430         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10431         too.
10432
10433 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10434
10435         * doc/install.texi (*-*-solaris2*): Document recommended version
10436         of GNU binutils and mention GNU linker problem on Solaris 10.
10437
10438 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10439
10440         PR c/22421
10441         * c-decl.c (c_build_bitfield_integer_type): New function.
10442         (finish_struct): Call it.
10443         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10444
10445 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10446
10447         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10448         before returning.
10449
10450 2005-07-16  Jan Hubicka  <jh@suse.cz>
10451
10452         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10453         (scale_bbs_frequencies_int): Watch roundoff errors.
10454         * predict.c (return_prediction): Initialize return_stmt.
10455
10456 2005-07-16  Jan Hubicka  <jh@suse.cz>
10457
10458         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10459         after RTL profiling.
10460
10461 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10462
10463         PR middle-end/22398
10464         * fold-const.c (build_range_check): Convert high/low to etype
10465         if we are only comparing against exp.
10466
10467 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10468
10469         Fix PR tree-optimization/22376
10470         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10471         special var here.
10472         (need_to_solve): New function.
10473         (compute_points_to_sets): Use it.
10474
10475 2005-07-15  Jan Hubicka  <jh@suse.cz>
10476
10477         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10478         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10479
10480 2005-07-15  Richard Guenther  <rguenther@suse.de>
10481
10482         * c-common.c (handle_flatten_attribute): New function.
10483         Add flatten function attribute.
10484         * doc/extend.texi: Document flatten function attribute.
10485         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10486         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10487         New functions.
10488         (cgraph_decide_inlining): Handle functions with flatten
10489         attribute.
10490
10491 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10492
10493         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10494         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10495         UNSPEC_XCHG, UNSPEC_AND): New.
10496         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10497         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10498         * config/rs6000/sync.md (FETCHOP): New code macro.
10499         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10500         New code attrs.
10501         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10502         (sync_compare_and_swap<mode>): Same.
10503         (sync_lock_test_and_set<mode>): Same.
10504         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10505         for QImode and HImode, and not PPC405.
10506         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10507         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10508         (sync_<fetchop>{si,di}_internal): New.
10509         (sync_nand{si,di}_internal): New.
10510         (sync_old_<fetchop>{si,di}_internal): New.
10511         (sync_old_nand{si,di}_internal): New
10512         (sync_new_<fetchop>{si,di}_internal): New.
10513         (sync_new_nand{si,di}_internal): New.
10514         (atomic_and{si,di}): New.
10515         (sync_new_nand{si,di}_internal): New.
10516         (atomic_and{si,di}): New.
10517         (sync_add<mode>_internal): Delete.
10518         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10519         (sync_sub<mode>_internal): Delte.
10520         (sync_subshort_internal): New.
10521         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10522         (sync_anddi_internal): Delete.
10523         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10524         (sync_booldi_internal): Delete.
10525         (sync_boolc<mode>_internal): Delete.
10526         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10527         (sync_boolc<mode>_internal2): Delete.
10528         (sync_boolcc<mode>_internal): Delete.
10529         (isync, lwsync): Use unspec instead of unspec_volatile.
10530         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10531         Revert UNSPEC_VOLATILE.
10532         (rs6000_split_atomic_op): New.
10533         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10534
10535 2005-07-14  Eric Christopher  <echristo@redhat.com>
10536
10537         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10538         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10539
10540 2005-07-14  Eric Christopher  <echristo@redhat.com>
10541
10542         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10543
10544 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10545
10546         PR tree-optimization/22230
10547         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10548         the computation of the four cross productions for "range op range".
10549
10550 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10551             Ulrich Weigand  <uweigand@de.ibm.com>
10552
10553         PR target/20126
10554         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10555         in some insn.
10556
10557 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10558
10559         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10560
10561 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10562
10563         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10564
10565 2005-07-14  Richard Guenther  <rguenther@suse.de>
10566
10567         PR middle-end/22347
10568         * config/i386/i386-protos.h (ix86_function_value): Change
10569         prototype to match new target hook.
10570         * config/i386/i386.c (ix86_value_regno): Change prototype
10571         to take extra type argument.
10572         (TARGET_FUNCTION_VALUE): Define.
10573         (ix86_function_ok_for_sibcall): Pass extra argument to
10574         ix86_value_regno, check return slot rtx for exact match.
10575         (ix86_function_value): Take extra parameter.  Dispatch to
10576         ix86_value_regno with fndecl/fntype as provided.
10577         (ix86_value_regno): Handle extra type argument.
10578         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10579
10580         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10581         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10582         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10583         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10584         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10585
10586 2005-07-14  Richard Guenther  <rguenther@suse.de>
10587
10588         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10589         * calls.c (expand_call): Pass fntype to hard_function_value.
10590         (emit_library_call_value_1): Likewise.
10591         * explow.c: Include target.h.
10592         (hard_function_value): Take extra argument, the fntype.
10593         Use new target hook for function_value.
10594         * expr.h (hard_function_value): Change prototype.
10595         * function.c (aggregate_value_p): Pass 0 as fntype to
10596         hard_function_value.
10597         (assign_parms): Use new target hook for function_value.
10598         Pass 0 as fntype to hard_function_value.
10599         (expand_function_end): Likewise.
10600         * reg-stack.c: Include target.h.
10601         (stack_result): Use new target hook for function_value.
10602         * target-def.h: New target hook function_value.
10603         * target.h: Likewise.
10604         * targhooks.c (default_function_value): New function.
10605         * targhooks.h (default_function_value): Declare.
10606
10607 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10608
10609         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10610
10611 2005-07-14  Jan Hubicka  <jh@suse.cz>
10612
10613         * tree-dfa.c (dump_variable): Use default_def function.
10614         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10615         * tree-ssa.c (verify_use): Likewise.
10616         * tree-ssanames.c (release_ssa_name): Likewise.
10617         * tree-tailcall.c (eliminate_tail_call): Likewise.
10618         (tree_optimize_tail_calls_1): Likewise.
10619         * tree-vrp.c (get_value_range): Likewise.
10620
10621 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10622
10623         * gcc.c (main): Compare language[0] with '*' when iterating over
10624         the infiles.
10625
10626 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10627
10628         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10629         "s390_emit_compare".  Add handling of CCZ1mode.
10630         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10631         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10632         checking.
10633         (s390_branch_condition_mask): Add CCZ1mode handling.
10634         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10635         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10636         Use CCZ1mode instead of CCZmode.
10637         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10638
10639 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10640
10641         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10642         pattern.
10643         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10644
10645 2005-07-13  Eric Christopher  <echristo@redhat.com>
10646
10647         * config/mips/mips.c (mips_canonicalize_comparison): New.
10648         (mips_emit_int_relational): Use.
10649
10650 2005-07-13  Eric Christopher  <echristo@redhat.com>
10651
10652         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10653         static extra parts.
10654         * config/s390/s390.md: Include tpf.md. Move tpf specific
10655         patterns...
10656         * config/s390/tpf.md: To here.
10657         * config/s390/s390.opt: Move tpf specific options...
10658         * config/s390/tpf.opt: to here. Add mmain option.
10659         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10660         * config/s390/tpf.h: Rewrite.
10661
10662 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10663
10664         * doc/tm.texi: Remove @xref{Cross-profiling}.
10665
10666 2005-07-13  Jeff Law  <law@redhat.com>
10667
10668         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10669         expressions, test their _DECL operands for pointer equality rather
10670         than using operand_equal_p.
10671
10672 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10673
10674         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10675         (TARGET_POSIX_IO): This.
10676         * config/darwin.h: Likewise.
10677         * config/freebsd.h: Likewise.
10678         * config/linux.h: Likewise.
10679         * config/lynx.h: Likewise.
10680         * config/netbsd.h: Likewise.
10681         * config/rs6000/linux64.h: Likewise.
10682         * config/rs6000/linux.h: Likewise.
10683         * config/s390/tpf.h: Likewise.
10684         * config/sh/embed-elf.h: Likewise.
10685         * config/sparc/linux64.h: Likewise.
10686         * config/sparc/linux.h: Likewise.
10687         * config/svr4.h: Likewise.
10688         * gcov-io.h: Likewise.
10689
10690         * doc/tm.texi: Updated.
10691
10692         * libgcov.c (create_file_directory): Defined only if
10693         TARGET_POSIX_IO is defined.
10694         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10695         is defined.
10696
10697 2005-07-13  Jan Hubicka  <jh@suse.cz>
10698
10699         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10700
10701 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10702
10703         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10704         structure as argument.
10705
10706 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10707
10708         PR tree-optimization/21921
10709         * tree-iterator.c (tsi_link_before): Support the case when
10710         tsi_end_p (tsi) == true.
10711
10712 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10713
10714         PR tree-optimization/22442
10715         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10716         correctly.
10717
10718 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10719
10720         PR rtl-optimization/20376
10721         * toplev.c (process_options): Enable -fweb and -frename-registers when
10722         unrolling.
10723         * doc/invoke.texi: Update the information about when -fweb and
10724         -frename-registers are enabled.
10725
10726 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10727
10728         PR tree-opt/21840
10729         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10730         if *rhs_p is not a SSA_NAME.
10731
10732 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10733
10734         Fix PR tree-optimization/22422
10735         * tree-ssa-structalias.c (struct variable_info): Add flag for
10736         special vars.
10737         (get_varinfo): Now a static function.
10738         (new_varinfo): init has_union and is_special_var to false.
10739         (solution_set_add): Check has_union.
10740         (do_da_constraint): Move temporary variable so it gets reset
10741         properly.
10742         Also check for special variable.
10743         (do_ds_constraint): Ditto.
10744         (do_sd_constraint): Ditto.
10745         (do_structure_copy): Check for special variable.
10746         (find_func_aliases): Ditto.
10747         (init_base_vars): Set special vars properly.
10748
10749 2005-07-13  Jan Hubicka  <jh@suse.cz>
10750
10751         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10752         do unit-at-a-time.
10753
10754         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10755         (get_expr_operands): Fix thinko wrt flags and subvars.
10756
10757         PR tree-optimize/22379
10758         * tree-inline.c (expand_call_inline): Do not output sorry in early
10759         inlining.
10760
10761 2005-07-12  Dale Johannesen  <dalej@apple.com>
10762
10763         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10764
10765 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10766
10767         PR bootstrap/21704
10768         * host-linux.h: Include limits.h.
10769
10770 2005-07-12  Dale Johannesen  <dalej@apple.com>
10771
10772         * expr.c (compress_float_constant):  Add cost check.
10773         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10774
10775 2005-07-12  Dale Johannesen  <dalej@apple.com>
10776
10777         * gcc.target/i386/compress-float-sse.c:  New.
10778         * gcc.target/i386/compress-float-sse-pic.c:  New.
10779         * gcc.target/i386/compress-float-387.c:  New.
10780         * gcc.target/i386/compress-float-387-pic.c:  New.
10781         * gcc.dg/compress-float-ppc.c:  New.
10782         * gcc.dg/compress-float-ppc-pic.c:  New.
10783
10784 2005-07-12  Eric Christopher  <echristo@redhat.com>
10785
10786         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10787         static extra parts.
10788         * config/s390/s390.md: Include tpf.md. Move tpf specific
10789         patterns...
10790         * config/s390/tpf.md: To here.
10791         * config/s390/s390.opt: Move tpf specific options...
10792         * config/s390/tpf.opt: to here. Add mmain option.
10793         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10794         * config/s390/tpf.h: Rewrite.
10795
10796 2005-07-12  Eric Christopher  <echristo@redhat.com>
10797
10798         * gcc.c (struct infile): Update comment for language.
10799         (main): Rewrite input file resetting code.
10800
10801 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10802
10803         PR tree-opt/22335
10804         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10805         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10806         (lookup_avail_expr): Use constant_boolean_node instead
10807         of boolean_false_node/boolean_true_node.
10808
10809 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10810
10811         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10812         and use it when printing num_edges.
10813
10814 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10815
10816         * doc/extend.texi (Blackfin Built-in Functions): New section.
10817         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10818         @opindex.
10819
10820 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10821
10822         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10823         s/cmpstrsi/cmpstrnsi
10824         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10825         'cmpstrnsi'.
10826         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10827         (init_optabs): Initialize cmpstrn_optab.
10828         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10829         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10830         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10831         * config/i386/i386.md: s/cmpstr/cmpstrn
10832         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10833         * doc/md.texi: Update documentation.
10834
10835 2005-07-11  Richard Henderson  <rth@redhat.com>
10836
10837         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10838         build_va_arg_indirect_ref.
10839         (alpha_gimplify_va_arg): Likewise.
10840         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10841         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10842         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10843         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10844         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10845         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10846         Likewise.
10847         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10848
10849 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10850
10851         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10852         * passes.c (init_optimization_passes): Add pass_empty_loop.
10853         * tree-pass.h (pass_empty_loop): Declare.
10854         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10855         try_remove_empty_loop, remove_empty_loops): New functions.
10856         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10857         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10858
10859 2005-07-12  Peter Barada  <peter@the-baradas.com>
10860
10861         PR middle-end/16719
10862         PR middle-end/18421
10863         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10864         in address registers.
10865         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10866         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10867         alternative of addsi3_5200.
10868
10869 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10870
10871         * config/mips/mips.md (ffs<mode>2): Remove.
10872
10873 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10874
10875         * doc/tree-ssa.texi (Cleanups): Improve description of
10876         TRY_FINALLY_EXPR.
10877         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10878
10879 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10880
10881         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10882         * tree.h (DECL_ARGUMENT_FLD): New macro.
10883
10884 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10885
10886         Fix PR tree-optimization/22404
10887
10888         * tree-ssa-structalias.c (create_variable_info_for): Use
10889         correct offset.
10890
10891 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10892
10893         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10894         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10895         for second comparison operand.
10896         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10897
10898         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10899         (define_insn_reservation "alu"): Likewise.
10900         (csync, ssync): Now of type sync.
10901         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10902         -mcsync-anomaly -mspecld-anomaly.
10903         * config/bfin/bfin.opt (mcsync): Remove.
10904         (mcsync-anomaly, mspecld-anomaly): Add.
10905         * config/bfin/bfin.c: Include "insn-codes.h".
10906         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10907         (TARGET_DEFAULT_TARGET_FLAGS): New.
10908         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10909
10910 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10911
10912         * basic-block.h: Give the BB flags enum a name, bb_flags.
10913         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10914         * cfgcleanup.c (enum bb_flags): Remove here.
10915         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10916         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10917         (update_forwarder_flag): Likewise.
10918         (thread_jump): Likewise.
10919         (try_forward_edges): Likewise.
10920         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10921         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10922         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10923
10924 2005-07-11  Richard Guenther  <rguenther@suse.de>
10925
10926         * config/i386/i386.opt: New target option -msseregparm.
10927         * config/i386/i386.c (override_options): Error out for
10928         -msseregparm but no SSE support.
10929         (ix86_function_sseregparm): Check for global sseregparm.
10930         * doc/invoke.texi: Document -msseregparm.
10931
10932 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10933
10934         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10935         (m32rle-*-linux*): Ditto.
10936
10937 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10938
10939         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10940         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10941         bytes.
10942
10943 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10944
10945         PR middle-end/22239
10946         PR target/20126
10947         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10948         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10949
10950 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10951
10952         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10953         (varmap): Heapify varmap.
10954         (constraints): Heapify constraints.
10955         (struct constraint_graph): Heapify succs and preds.
10956         (constraint_vec_find): Update for heapification.
10957         (constraint_set_union): Ditto.
10958         (insert_into_complex): Ditto.
10959         (constraint_edge_vec_find): Ditto.
10960         (erase_graph_self_edge): Ditto.
10961         (add_graph_edge): Ditto.
10962         (get_graph_weights): Ditto.
10963         (merge_graph_nodes): Ditto.
10964         (build_constraint_graph): Ditto.
10965         (topo_visit): Ditto.
10966         (solve_graph): Ditto.
10967         (create_variable_info_for): Ditto.
10968         (init_base_vars): Ditto.
10969         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10970         (condese_varmap_nodes): Free complex vector.
10971         (clear_edges_for_node): Clear succs and preds vector.
10972
10973 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10974
10975         * tree-ssa-structalias.c (update_alias_info): Change counting of
10976         references to not include vdefs.
10977
10978 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10979
10980         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10981         (up_insert): Ditto.
10982
10983 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10984
10985         * pa.c (pa_commutative_p): Make PLUS commutative when
10986         TARGET_NO_SPACE_REGS is true.
10987
10988 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10989
10990         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10991         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10992         * tree-dfa.c (dump_subvars_for): New.
10993         (debug_subvars_for): New.
10994         (dump_variable): Show subvariables if VAR has them.
10995         * tree-flow-inline.h (get_subvar_at): New.
10996         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10997         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10998         Update all users.
10999         (struct subvar): Change fields offset and size to unsigned
11000         HOST_WIDE_INT.
11001         (dump_subvars_for): Declare.
11002         (debug_subvars_for): Declare.
11003         (get_subvar_at): Declare.
11004         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11005         to unsigned HOST_WIDE_INT *.
11006         (overlap_subvar): Likewise.
11007         * tree-gimple.c (is_gimple_reg): Always return false for
11008         SFTs and memory tags.
11009         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11010         Update all callers.
11011         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11012         (compute_may_aliases): Call compute_points_to_sets.
11013         (collect_points_to_info_for): Remove.
11014         (compute_points_to_and_addr_escape): Remove.
11015         (delete_alias_info): Call delete_points_to_sets.
11016         (compute_flow_sensitive_aliasing): If the call to
11017         find_what_p_points_to returns false, call set_pt_anything.
11018         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11019         (set_pt_anything): Clear pi->pt_vars.
11020         (set_pt_malloc): Remove.
11021         (merge_pointed_to_info): Remove.
11022         (add_pointed_to_expr): Remove.
11023         (add_pointed_to_var): Remove.
11024         (collect_points_to_info_r): Remove.
11025         (is_escape_site): Make extern.
11026         (create_sft): New.
11027         (create_overlap_variables_for): Call it.
11028         * tree-ssa-copy.c (merge_alias_info): Never merge
11029         flow-sensitive alias information.
11030         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11031         offset and size to be unsigned HOST_WIDE_INT.
11032         (add_to_addressable_set): Rename from note_addressable.
11033         Set TREE_ADDRESSABLE as the variables are added to the set.
11034         Update all users.
11035         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11036         operands into VUSEs when adding V_MAY_DEFs for members in an
11037         alias set.
11038         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11039         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11040         (struct variable_info): Add bitfield is_heap_var.
11041         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11042         (new_var_info): Initialize is_heap_var.
11043         (get_constraint_for): Add HEAP variables to the symbol table.
11044         Mark them with is_heap_var.
11045         (update_alias_info): New.  Taken mostly from the old
11046         compute_points_to_and_addr_escape.
11047         (handle_ptr_arith): New.
11048         (find_func_aliases): Call update_alias_info.
11049         Call handle_ptr_info for tcc_binary expressions.
11050         Call mark_stmt_modified.
11051         (create_variable_info_for): If DECL has subvars, do not create
11052         variables for its subvars.  Always add all the fields.
11053         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11054         SFTs, then add all the SFTs of the structure.
11055         If VI->DECL is an aggregate with subvariables, add the SFT at
11056         VI->OFFSET.
11057         (find_what_p_points_to): If VI is an artificial variable,
11058         translate to bitfields in SSA_NAME_PTR_INFO.
11059         If the solution is empty, set pi->pt_vars to NULL
11060         (init_base_vars): Create ANYOFFSET.
11061         (compute_points_to_sets): Rename from create_alias_vars.
11062         Make extern.
11063         (pass_build_pta): Remove.
11064         (delete_points_to_sets): Rename from delete_alias_vars.
11065         (pass_del_pta): Remove.
11066         * tree-ssa-structalias.h (struct alias_info): Move from
11067         tree-ssa-alias.h.
11068         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11069         NUM_REFERENCES_SET): Likewise.
11070         (compute_points_to_sets, delete_points_to_sets): Declare.
11071
11072 2005-07-09  Richard Henderson  <rth@redhat.com>
11073
11074         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11075         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11076         alpha_split_lock_test_and_set_12): New functions.
11077         * config/alpha/alpha-protos.h: Update.
11078         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11079         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11080         * config/alpha/sync.md (I12MODE): New.
11081         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11082         (sync_<fetchop_name><I48MODE>): Likewise.
11083         (sync_nand<I48MODE>): Likewise.
11084         (sync_old_<fetchop_name><I48MODE>): Likewise.
11085         (sync_new_<fetchop_name><I48MODE>): Likewise.
11086         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11087         (sync_compare_and_swap<I48MODE>): Likewise.
11088         (sync_lock_test_and_set<I48MODE>): Likewise.
11089         (sync_compare_and_swap<I12MODE>): New.
11090         (sync_compare_and_swap<I12MODE>_1): New.
11091         (sync_lock_test_and_set<I12MODE>): New.
11092         (sync_lock_test_and_set<I12MODE>_1): New.
11093
11094 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11095
11096         PR 21356
11097         PR 22332
11098         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11099
11100 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11101
11102         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11103         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11104
11105 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11106
11107         PR target/21656
11108         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11109
11110 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11111
11112         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11113         memory_operand constraint.
11114         (store_conditional_<mode>): Same.
11115         (sync_compare_and_swap<mode>): Same.
11116         (sync_lock_test_and_set<mode>): Same.
11117
11118 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11119
11120         Rewrite PIC support to more closely model actual instructions.
11121         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11122         (cris_symbol): Remove prototypes for removed functions.
11123         (cris_pic_symbol_type_of, cris_valid_pic_const)
11124         (cris_expand_pic_call_address): Prototypes for new functions.
11125         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11126         variable.
11127         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11128         modifiers.
11129         <case ':'>: Add case for new punctuation character.
11130         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11131         emitting (extra) PIC modifier.
11132         <case UNSPEC>: Do not assert for PLT.
11133         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11134         (cris_expand_prologue, cris_expand_epilogue): Check
11135         for pic_offset_table_rtx usage instead of taking
11136         current_function_uses_pic_offset_table as the final word.
11137         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11138         Remove flag_pic difference.
11139         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11140         the moral equivalents of...
11141         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11142         functions.
11143         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11144         (cris_handle_option): Mark ARG as unused.
11145         (cris_expand_pic_call_address): New worker function for "call",
11146         "call_value".
11147         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11148         output PIC constructs here.
11149         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11150         as symbol-specific modifers, not whole or part of operands.
11151         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11152         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11153         constants and flag_pic.
11154         (CONSTANT_INDEX_P): Adjust for new functions.
11155         (enum cris_pic_symbol_type): New helper type.
11156         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11157         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11158         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11159         define_constants.
11160         ("movsi"): Emit actual instructions for GOT and relative access.
11161         ("*movsi_got_load"): New pattern to set up the register holding
11162         the GOT pointer.
11163         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11164         Adjust FIXME for 'S'.
11165         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11166         Use "movs" for -fpic cases.
11167         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11168         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11169         ("call", "call_value"): Just call cris_expand_pic_call_address for
11170         PIC addresses.
11171         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11172         Remove special pattern.
11173         ("*expanded_call_side", "*expanded_call_value_side"): New
11174         patterns.
11175         (gotplt-to-plt, gotplt-to-plt-side-call)
11176         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11177         peephole2:s.
11178         * config/cris/cris/predicates.md
11179         ("cris_general_operand_or_gotless_symbol"): Remove unused
11180         predicate.
11181         ("cris_general_operand_or_symbol"): Adjust for new functions.
11182
11183 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11184
11185         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11186
11187 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11188
11189         * Makefile.in (TREE_H): Add treestruct.def.
11190         (c-decl.o): Add pointer-set.h
11191         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11192         visibility on regular DECL's.
11193         (merge_decls): Fix the copying of decl nodes of various types for
11194         the new structures.  Don't update RTL, section name, weak status,
11195         etc, on DECL's without RTL.
11196         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11197         Don't check volatile on non-variable types.
11198         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11199         to check whether we have seen arguments.
11200         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11201         flag is checked before field (flag is common, field is not).
11202         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11203         TS_DECL_COMMON could have an origin.
11204         (add_location_or_const_value_attribute): Don't check section name
11205         on non-var/function decls.
11206         (dwarf2out_var_location): Reverse order of tests.
11207         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11208         with DECL_WRTL_CHECK.
11209         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11210         * fold-const.c (fold_binary): Don't check weakness on
11211         non-var/function decls.
11212         (tree_expr_nonzero_p): Ditto.
11213         (fold_checksum_tree): Use tree_decl_extra as sizeof
11214         buffer.
11215         * ggc-page.c (extra_order_size_table): Add sizes for
11216         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11217         tree_field_decl.
11218         * gimplify.c (gimplify_bind_expr): Only set
11219         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11220         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11221         without RTL.
11222         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11223         * langhooks.h (init_ts). New langhook.
11224         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11225         * print-tree.c (print_node): Update to only print fields that
11226         exist in the structures the passed decl has.
11227         * toplev.c (wrapup_global_declarations): Don't reset
11228         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11229         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11230         * tree-inline.c (remap_decl): Ditto.
11231         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11232         * tree-pretty-print.c (print_declaration): Don't print
11233         DECL_REGISTER on things that don't contain it.
11234         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11235         non-var/function decls.
11236         * tree.c (tree_contains_struct): New structure.
11237         (init_priority_for_decl): New hashtable.
11238         (tree_int_map): New structure.
11239         (tree_int_map_eq): New function.
11240         (tree_int_map_marked_p): Ditto.
11241         (tree_int_map_hash): Ditto.
11242         (tree_map): Move to tree.h.
11243         (tree_map_eq): Externalize.
11244         (tree_map_hash): Ditto.
11245         (tree_map_marked_p): Ditto.
11246         (init_ttree): Set up tree_contains_struct and call langhook.
11247         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11248         (tree_code_size): Update for new structures.
11249         (tree_node_structure): Update for new structures.
11250         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11251         without the field.
11252         (copy_node_stat):  Copy init priority.
11253         (build_decl_stat): Ditto for visibility.
11254         (ts_enum_names): New.
11255         (tree_contains_struct_check_failed): New function.
11256         (decl_init_priority_lookup): Ditto.
11257         (decl_init_priority_insert): Ditto.
11258         * treestruct.def: New file.
11259         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11260         (CONTAINS_STRUCT_CHECK): Ditto.
11261         (tree_contains_struct_check_failed): New prototype.
11262         (DECL_CHECK): Removed.
11263         (DECL_MINIMAL_CHECK): New.
11264         (DECL_COMMON_CHECK): Ditto.
11265         (DECL_WRTL_CHECK): Ditto.
11266         (DECL_NON_COMMON_CHECK): Ditto.
11267         (DECL_WITH_VIS_CHECK): Ditto.
11268         (VAR_OR_FUNCTION_DECL_P): Ditto
11269         (struct tree_decl_minimal): New structure.
11270         (struct tree_decl_common): Ditto.
11271         (struct tree_decl_with_rtl): Ditto.
11272         (struct tree_decl_with_vis): Ditto.
11273         (struct tree_decl_non_common): Ditto.
11274         (struct tree_field_decl): Ditto.
11275         (struct tree_parm_decl): Ditto.
11276         (struct tree_var_decl): Ditto.
11277         (struct tree_function_decl): Ditto.
11278         (struct tree_const_decl): Ditto.
11279         (struct tree_result_decl): Ditto.
11280         (union tree_node): Add new structures.
11281         * var-tracking.c (track_expr_p): Reverse order of tests.
11282
11283         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11284
11285 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11286
11287         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11288         * system.h: Poison FINALIZE_PIC.
11289         * doc/tm.texi (FINALIZE_PIC): Remove.
11290
11291 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11292
11293         PR tree-opt/22329
11294         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11295         to the correct type if we have a MODIFY_EXPR.
11296
11297 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11298
11299         PR tree-optimization/22360
11300         * tree.c (upper_bound_in_type): Fix calculations for casting
11301         to a non-wider signed type and casting a signed value to a
11302         wider unsigned type.
11303         (lower_bound_in_type): Fix calculations for casting to a
11304         non-wider signed type.
11305
11306         PR tree-optimization/20139
11307         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11308         release_defs.
11309         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11310         fold_cond_expr_cond.
11311         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11312         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11313
11314 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11315
11316         PR tree-opt/22356
11317         * tree-complex.c (expand_complex_libcall): Produce
11318         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11319
11320 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11321
11322         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11323         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11324         b" assert and inserted fastpath code for this case.
11325         (bitmap_ior): Removed "a != b" assert.
11326
11327 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11328
11329         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11330         (ENDFILE_SPEC): Likewise.
11331         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11332
11333         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11334         a large stack frame at epilogue.
11335
11336 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11337
11338         * final.c: Include sdbout.h when required.
11339
11340 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11341
11342         * config.gcc (*-*-darwin*): Only one target-specific header file
11343         for generic darwin.
11344         (powerpc-*-darwin*): Add version-specific header files.
11345         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11346         * config.in: Regenerate.
11347         * configure: Regenerate.
11348         * gcc.c: Include xregex.h.
11349         (version_compare_spec_function): New.
11350         (spec_function): Add version-compare.
11351         (replace_outfile_spec_function): Reformat comment.
11352         (compare_version_strings): New.
11353         * config/darwin-c.c (version_as_macro): New.
11354         (builtin_define): New.
11355         (darwin_cpp_builtins): New.
11356         * config/darwin-protos.h (darwin_cpp_builtins): New.
11357         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11358         (LIB_SPEC): Make unconditional, update comment.
11359         (TARGET_C99_FUNCTIONS): Define.
11360         * config/darwin.opt: Sort.
11361         (mmacosx-version-min=): New.
11362         * config/darwin7.h: Delete.
11363         * config/darwin8.h: Delete.
11364         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11365         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11366         (TARGET_C99_FUNCTIONS): Define.
11367         * config/rs6000/darwin7.h: New.
11368         * config/rs6000/darwin8.h: New.
11369         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11370         (-mmacosx-version-min): Document.
11371
11372 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11373
11374         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11375
11376 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11377
11378         PR middle-end/22239
11379         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11380
11381 2005-07-07  Khem Raj  <kraj@mvista.com>
11382
11383         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11384         in bytes, not words.
11385
11386 2005-07-07  Paul Brook  <paul@codesourcery.com>
11387
11388         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11389         DEFAULT_FUNCTION_ARG_PADDING to upward.
11390
11391 2005-07-07  Richard Henderson  <rth@redhat.com>
11392
11393         * function.c (locate_and_pad_parm): Record parameter alignment in
11394         stack_alignment_needed.
11395
11396 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11397
11398         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11399         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11400         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11401         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11402         (define_attr "type"): Add isync, sync, load_l, store_c.
11403         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11404         Create scratch volatile MEM.
11405         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11406         sync.
11407         (load_locked_<mode>): New.
11408         (store_conditional_<mode>): New.
11409         (sync_compare_and_swap<mode>): Replace with splitter.
11410         (sync_lock_test_and_set<mode>): Replace with splitter.
11411         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11412         and UNSPECV_ISYNC.
11413         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11414         is ics.  Attribute isync.
11415         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11416         lwsync.
11417         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11418         and UNSPECV_SYNC_OP.
11419         (emit_unlikely_jump): New.
11420         (emit_load_locked): New.
11421         (emit_store_conditional): New.
11422         (rs6000_split_compare_and_swap): New.
11423         (rs6000_split_lock_test_and_set): New.
11424         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11425         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11426         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11427         rs6000_split_lock_test_and_set): Declare.
11428         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11429         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11430         store_c, isync, sync.
11431
11432 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11433
11434         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11435         filenames to gtyp-gen.h.
11436         (s-typ-gen): Use it in place of for loops.
11437
11438 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11439
11440         * hooks.c (hook_bool_rtx_int_false): New function.
11441         * hooks.h (hook_bool_rtx_int_false): Declare.
11442         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11443         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11444         * target.h (struct gcc_target): Add commutative_p member.
11445         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11446         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11447         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11448         (pa_commutative_p): New function.
11449         * jump.c (target.h): Include.
11450         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11451         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11452
11453 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11454
11455         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11456         (s390_expand_setmem): New.
11457         * config/s390/s390.c: Likewise.
11458         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11459         Adapt comments.
11460         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11461         general_operand.  Call new function "s390_expand_setmem".
11462         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11463         ("setmem_long", "*setmem_long"): ... this.
11464
11465 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11466
11467         * config/s390/s390.c: (optimization_options): Enable
11468         TARGET_MVCLE at -Os.
11469         * doc/invoke.texi: Document changes in default behaviour.
11470         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11471
11472 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11473
11474         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11475         defined by back-end.
11476
11477 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11478
11479         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11480         all sets in the pattern.
11481         * config/rs6000/rs6000.md (stack_protect_testsi,
11482         stack_protect_testdi): Likewise.
11483
11484 2005-07-06  Jeff Law  <law@redhat.com>
11485
11486         * tree-vrp.c (simplify_using_ranges): Kill.
11487         (vrp_finalize): Remove call to simplify_using_ranges.
11488         (simplify_stmt_using_ranges): New function extracted from
11489         simplify_using_ranges.
11490         (simplify_div_or_mod_using_ranges): Likewise.
11491         (simplify_abs_using_ranges): Likewise.
11492         (simplify_cond_using_ranges): New function.
11493         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11494         * tree-ssa-propagate.c (substitute_and_fold): Call
11495         simplify_stmt_using_ranges if we have range information.
11496
11497 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11498
11499         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11500         ia64_flag_schedule_isns2.
11501
11502         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11503         reading/writing general registers.
11504         (ia64_function_arg): Revert 2005-06-18 change.
11505
11506 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11507
11508         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11509         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11510
11511 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11512
11513         * function.c (expand_function_end): Revert part of 2005-06-27
11514         patch.  Do sjlj_emit_function_exit_after after return_label.
11515
11516 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11517
11518         * doc/install.texi (--disable-libssp): New.
11519
11520 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11521
11522         * doc/invoke.texi: Update -fforce-mem documentation.
11523         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11524         code for -fforce-mem.
11525         * expmed.c: (store_bit_field,store_fixed_bit_field,
11526         extract_bit_field): Ditto.
11527         * expr.c: (convert_move): Ditto.
11528         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11529         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11530         emit_conditional_add,expand_float,expand_fix): Ditto.
11531         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11532         (common_handle_option): Issue warning when -fforce-mem specified.
11533
11534 2005-07-06  Paul Brook  <paul@codesourcery.com>
11535
11536         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11537         argument is empty.
11538         * configure: Regenerate.
11539
11540 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11541
11542         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11543
11544 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11545
11546         Fix PR tree-optimization/22319
11547         Fix PR tree-optimization/22140
11548         Fix PR tree-optimization/22310
11549
11550         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11551         variable sized types.
11552         Use correct type for intermediate structure on *a = *b structure
11553         copies.
11554
11555 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11556
11557         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11558         Remove.
11559         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11560         (machine_function): Move typedef to...
11561         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11562         varargs_save_offset field.
11563         (rs6000_stack_t): Remove varargs_size field.
11564         (setup_incoming_varargs): Allocate varargs save area using
11565         assign_stack_local, try to make it as small as possible.
11566         Save offset from virtual_stack_vars_rtx to the save area
11567         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11568         instead of magic 8 when fp word byte size is used.
11569         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11570         instead of -RS6000_VARARGS_SIZE.
11571         (rs6000_stack_info, debug_stack_info,
11572         rs6000_initial_elimination_offset): Remove all traces of
11573         varargs_size.
11574         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11575         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11576         RS6000_VARARGS_AREA.
11577
11578 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11579
11580         PR tree-optimization/21963
11581         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11582         constant_multiple_of in the same way get_computation_cost_at does.
11583
11584 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11585
11586         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11587         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11588         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11589         and return its previous value.
11590         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11591         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11592         constants.
11593         (stack_protect_set, stack_protect_test): New expanders.
11594         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11595         stack_protect_testdi): New insns.
11596         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11597         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11598
11599 2005-07-06  Jeff Law  <law@redhat.com>
11600
11601         * tree-ssa-dce.c (cfg_altered): New global.
11602         (tree_dce_init): Initialize cfg_altered.
11603         (remove_dead_stmt): If we remove an edge in the CFG, then set
11604         CFG_ALTERED.
11605         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11606         the dominators.
11607
11608 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11609
11610         * Makefile.in (stamp-collect-ld): Use
11611         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11612         ./collect-ld if it already exists.
11613         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11614         Don't remove ./nm if it already exists.
11615
11616 2005-07-05  Devang Patel  <dpatel@apple.com>
11617
11618         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11619         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11620         * tree-vectorizer.c (vect_loop_location): New.
11621         (vect_print_dump_info): Use vect_loop_location.
11622         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11623         (vectorize_loops): Set vect_loop_location.
11624         * tree-vect-analyze.c (vect_analyze_offset_expr,
11625         vect_determin_vectorization_factor, vect_analyze_operations,
11626         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11627         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11628         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11629         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11630         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11631         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11632         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11633         vect_analyze_loop): Adjust vect_print_dump_info API.
11634         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11635         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11636         vect_finish_stmt_generation, vectorizable_assignment,
11637         vectorizable_operation, vectorizable_store, vectorizable_load,
11638         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11639         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11640         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11641         vect_transform_loop): Same.
11642         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11643         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11644         Same.
11645
11646 2005-07-05  Randolph Chung  <tausq@debian.org>
11647
11648         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11649         * configure: Regenerate.
11650         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11651         (pa_tls_referenced_p): Declare.
11652         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11653         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11654         (legitimize_tls_address): New.
11655         (hppa_legitimize_address): Handle TLS addresses.
11656         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11657         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11658         (emit_move_sequence): Handle TLS addresses.
11659         (pa_encode_section_info): Call default handler to handle common
11660         sections.
11661         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11662         (CONSTANT_ADDRESS_P): Reject TLS operands.
11663         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11664         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11665         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11666         (UNSPEC_TLSLE): Define new constants.
11667         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11668         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11669         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11670         (tie_symbolic_operand, tle_symbolic_operand): New
11671
11672 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11673
11674         * aclocal.m4: Update macros for autoconf 2.59 style.
11675         * configure.ac: Likewise.
11676
11677 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11678
11679         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11680         (function_arg): Pass small aggregates in general registers on 32-bit
11681         targets.
11682         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11683
11684 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11685
11686         * Makefile.in (final.o): Fix dependencies.
11687
11688 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11689
11690         PR c/22013
11691         PR c/22098
11692         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11693         * langhooks.c (lhd_expr_to_decl): New.
11694         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11695         New.
11696         (LANG_HOOKS_INITIALIZER): Update.
11697         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11698         expr_to_decl langhook.
11699         * c-tree.h (c_expr_to_decl): Declare.
11700         * c-typeck.c (c_expr_to_decl): New.
11701         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11702         specially.
11703         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11704
11705 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11706
11707         PR c/22308
11708         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11709         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11710
11711 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11712
11713         * Makefile.in: Adjust dependencies.
11714         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11715         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11716         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11717         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11718         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11719         rest_of_compilation.
11720
11721         * bb-reorder.c (gate_duplicate_computed_gotos,
11722         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11723         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11724         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11725         pass_partition_blocks): New.
11726         * bt-load.c (gate_handle_branch_target_load_optimize,
11727         rest_of_handle_branch_target_load_optimize,
11728         pass_branch_target_load_optimize): New.
11729         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11730         pass_jump2): New.
11731         * cfglayout.c (pass_insn_locators_initialize): New.
11732         * cfgrtl.c (pass_free_cfg): New.
11733         * combine.c (gate_handle_combine, rest_of_handle_combine,
11734         pass_combine): New.
11735         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11736         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11737         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11738         * except.c (pass_set_nothrow_function_flags,
11739         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11740         pass_rtl_eh): New.
11741         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11742         rest_of_handle_shorten_branches, pass_shorten_branches,
11743         rest_of_clean_state, pass_clean_state): New.
11744         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11745         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11746         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11747         pass_flow2): New.
11748         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11749         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11750         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11751         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11752         pass_gcse): New.
11753         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11754         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11755         pass_rtl_ifcvt, gate_handle_if_after_combine,
11756         rest_of_handle_if_after_combine, pass_if_after_combine,
11757         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11758         pass_if_after_reload): New.
11759         * integrate.c (pass_initial_value_sets): New.
11760         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11761         pass_purge_lineno_notes): New.
11762         * mode-switching.c (rest_of_handle_mode_switching,
11763         pass_mode_switching): New.
11764         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11765         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11766         pass_loop2): New.
11767         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11768         pass_loop_optimize): New.
11769         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11770         pass_sms): New.
11771         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11772         pass_gcse2): New.
11773         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11774         pass_postreload_cse): New.
11775         * profile.c (gate_handle_profiling, pass_profiling,
11776         rest_of_handle_branch_prob, pass_branch_prob): New.
11777         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11778         pass_split_before_regstack, gate_handle_split_before_regstack,
11779         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11780         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11781         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11782         pass_stack_regs): New.
11783         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11784         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11785         pass_stack_adjustments): New.
11786         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11787         pass_regrename): New.
11788         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11789         pass_delay_slots, gate_handle_machine_reorg,
11790         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11791         * rtl.h (extern void purge_line_number_notes): New.
11792         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11793         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11794         pass_sched2): New.
11795         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11796         pass_tracer): New.
11797         * value-prof.c (gate_handle_value_profile_transformations,
11798         rest_of_handle_value_profile_transformations,
11799         pass_value_profile_transformations): New.
11800         * var-tracking.c (gate_handle_var_tracking,
11801         pass_variable_tracking): New.
11802         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11803
11804         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11805         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11806         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11807         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11808         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11809         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11810         rest_of_handle_gcse2, rest_of_handle_regmove,
11811         rest_of_handle_tracer, rest_of_handle_if_conversion,
11812         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11813         rest_of_handle_web, rest_of_handle_branch_prob,
11814         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11815         rest_of_handle_jump_bypass, rest_of_handle_combine,
11816         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11817         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11818         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11819         rest_of_handle_mode_switching, rest_of_handle_jump,
11820         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11821         rest_of_handle_flow2, rest_of_handle_jump2,
11822         rest_of_handle_peephole2, rest_of_handle_postreload,
11823         rest_of_handle_shorten_branches, rest_of_clean_state,
11824         rest_of_compilation): Remove.
11825
11826         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11827         * passes.c (dump_flags, in_gimple_form, all_passes,
11828         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11829         register_dump_files, next_pass_1, last_verified, execute_todo,
11830         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11831         from tree-optimize.c.
11832         (init_optimization_passes): Moved from tree-optimize.c,
11833         adding the RTL optimizations.
11834         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11835         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11836         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11837         register_dump_files, next_pass_1, last_verified, execute_todo,
11838         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11839         init_tree_optimization_passes, ipa_passes): Delete.
11840         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11841         the RTL dumps.
11842         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11843         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11844         from tree.h.
11845         (ipa_passes): Remove.
11846         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11847         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11848         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11849         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11850         (dump_info_p, dump_flag): Moved to tree-dump.h.
11851
11852         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11853         cgraph.c, opts.c.
11854         * passes.c (finish_optimization_passes): Use dump_begin
11855         and dump_end, TDI_end.
11856         (gate_rest_of_compilation): New.
11857         (pass_rest_of_compilation): Use it.
11858         (gate_postreload, pass_postreload): New.
11859         * toplev.c (general_init): Rename init_tree_optimization_passes.
11860         * toplev.h (init_tree_optimization_passes): Rename to
11861         init_optimizations_passes.
11862         * tree-dump.c (dump_flag): Make static.
11863         (dump_files): Remove RTL dumps.
11864         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11865         pass_cleanup_cfg, pass_free_cfg_annotations,
11866         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11867         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11868         * tree-pretty-print.c: Include tree-pass.h.
11869         * cgraph.c: Include tree-dump.h.
11870
11871 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11872
11873         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11874         Only fall back to saying it points to readonly memory if
11875         we can't do better.
11876
11877 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11878
11879         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11880         * config/m32r/m32r.c (m32r_compute_frame_size,
11881         m32r_expand_prologue): Take current_function_profile into
11882         account whenever we reference
11883         current_function_uses_pic_offset_table.
11884         (m32r_finalize_pic): Remove.
11885         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11886
11887 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11888
11889         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11890         instead of $<.  Don't remove ./as if it already exists.
11891
11892 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11893
11894         PR target/21723
11895         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11896         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11897         for complex modes when generating code for PA 1.0.
11898         (VALID_FP_MODE_P): New macro.
11899         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11900         sets for all general and floating point modes.  Align wide floating
11901         point modes to even register boundaries to comply with architectural
11902         requirements.
11903         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11904         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11905         (VALID_FP_MODE_P): New macro.
11906         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11907         sets for all general and floating point modes.  Align wide floating
11908         point modes to even register boundaries to comply with architectural
11909         requirements.
11910
11911 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11912
11913         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11914         to 0.
11915
11916 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11917
11918         * tree-ssa-structalias.c: Don't include expr.h.
11919
11920 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11921
11922         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11923         comments.
11924
11925 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11926
11927         Fix PR tree-optimization/22279
11928
11929         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11930         correct operator.
11931
11932 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11933
11934         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11935
11936 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11937
11938         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11939         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11940         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11941         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11942         config/stormy16/stormy16.c, config/v850/v850.c,
11943         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11944         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11945         Avoid "." or "\n" at end of diagnostics and capital letters at
11946         start of diagnostics.
11947         * combine.c, cse.c: Don't translate dump file output.
11948         * toplev.c (print_version): Only translate output if going to
11949         stderr.
11950
11951 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11952
11953         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11954         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11955         typos.
11956
11957 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11958
11959         * pa.c (fix_range): Fix typo in comment.
11960
11961 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11962
11963         * tree-vrp.c (extract_range_from_assert): Replace
11964         fold (build (...)) with fold_build2.
11965
11966 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11967
11968         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11969         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11970         (format_types_orig, handle_format_attribute): Add support for
11971         format "gcc_gfc".
11972
11973 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11974
11975         * varasm.c (assemble_variable): Fix format specifier thinko.
11976
11977 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11978
11979         PR tree-optimization/22029 (and 22135)
11980         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11981         a phi node before calling dump_vops.
11982
11983 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11984
11985         * tree-dump.h (dump_string_field): Declare.
11986         * tree-dump.c: Use it instead of dump_string.
11987         (dump_string_field): Make non-static.
11988
11989 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11990
11991         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11992         up the minimal CFG stuff always when optimize > 0.  Call
11993         split_all_insns_noflow in PIC case if needed.
11994
11995 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11996             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11997
11998         PR c++/18279
11999         * c-decl.c (c_write_global_declarations): Dump contents of
12000         external scope to.
12001         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12002         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12003         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12004         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12005         is enabled.
12006
12007 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12008
12009         * c-common.h (GCC_DIAG_STYLE): Define.
12010         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12011         version for format checking to 4.1.
12012         * c-format.c: Include toplev.h after c-common.h.
12013         (enum format_type): Add gcc_tdiag_format_type.
12014         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12015         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12016         (format_types_orig): Add gcc_tdiag.
12017         (init_dynamic_diag_info): Support gcc_tdiag formats.
12018         (handle_format_attribute): Likewise.
12019         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12020         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12021         version for format checking to 4.1.
12022         (warning0, warning, error, pedwarn, sorry): Use
12023         ATTRIBUTE_GCC_DIAG.
12024         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12025         (finish_aliases_1): Do not use %qE.
12026         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12027         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12028         Correct format bugs.
12029         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12030         parameter to unsigned HOST_WIDE_INT.
12031         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12032
12033 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12034
12035         PR middle-end/21742
12036         * expr.c (write_complex_part): Use adjust_address for MEM.
12037         (read_complex_part): Same.
12038
12039 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12040
12041         Fix PR tree-optimization/22280
12042
12043         * tree-sra.c (generate_element_init): Remove useless loop.
12044
12045 2005-07-02  Richard Henderson  <rth@redhat.com>
12046
12047         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12048         TLS_MODEL_NONE.
12049         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12050
12051 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12052
12053         PR middle-end/14490
12054         * fold-const.c (fold_binary): Handle the return value of
12055         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12056         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12057
12058 2005-07-02  Jeff Law  <law@redhat.com>
12059
12060         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12061         a eliminate type conversion which feeds an equality comparison
12062         if the original type or either operand in the comparison is a
12063         function pointer.
12064
12065 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12066
12067         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12068         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12069         texts.
12070         * config/avr/avr.c: Do not use '`' as left quote.
12071         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12072         Remove "." from end of diagnostics.  Make diagnostics start with
12073         lowercase letter.
12074
12075 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12076             Joseph S. Myers  <joseph@codesourcery.com>
12077
12078         * toplev.c (default_tree_printer): Handle setting location with
12079         '+' flag.
12080         * c-objc.common.c (c_tree_printer): Likewise.
12081         * c-format.c (gcc_diag_flag_specs): Add '+'.
12082         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12083         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12084         formats.
12085         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12086         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12087         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12088         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12089         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12090         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12091         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12092         format arguments where %J is used without %D.
12093
12094 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12095
12096         * gcc.c (LINK_SSP_SPEC): Define.
12097         (link_ssp_spec): New variable.
12098         (LINK_COMMAND_SPEC): Add %(link_ssp).
12099         (static_specs): Add link_ssp_spec.
12100         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12101         * configure: Rebuilt.
12102         * config.in: Rebuilt.
12103
12104         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12105         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12106         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12107         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12108         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12109         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12110         -0x7008(2) instead of reading __stack_chk_guard variable.
12111         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12112         number.
12113         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12114         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12115         if TARGET_THREAD_SSP_OFFSET is defined.
12116         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12117         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12118
12119         Revert:
12120         2005-06-27  Richard Henderson  <rth@redhat.com>
12121         * libgcc-std.ver (GCC_4.1.0): New.
12122         * libgcc.h (__stack_chk_guard): Declare.
12123         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12124         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12125         * mklibgcc.in (lib2funcs): Add them.
12126
12127 2005-07-01  Richard Henderson  <rth@redhat.com>
12128
12129         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12130         void * before struct sigcontext *.
12131         (x86_fallback_frame_state): Likewise.
12132
12133 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12134
12135         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12136
12137 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12138
12139         PR tree-opt/22269
12140         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12141         we check for SSA_NAME for.
12142
12143 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12144
12145         Fix PR tree-optimization/22071
12146
12147         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12148         function.
12149         (get_constraint_for_component_ref): Use it.
12150
12151 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12152
12153         PR other/22264
12154         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12155         print out the last new line.
12156
12157 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12158
12159         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12160         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12161         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12162         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12163         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12164         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12165         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12166         (enum reg_class): New member CC0_REGS.
12167         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12168         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12169         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12170         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12171         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12172         Adjust for register now described.
12173
12174 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12175
12176         PR target/22262
12177         * config/i386/i386.md (stack_protect_test_si,
12178         stack_protect_test_di): Add earlyclobber for scratch 3.
12179         * config/rs6000/rs6000.md (stack_protect_testsi,
12180         stack_protect_testdi): Add earlyclobber for scratch 3,
12181         remove earlyclobber from scratch 4.
12182
12183 Older entries for 2005 can be found in ChangeLog-2005.