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2005-12-16 Jon Grimm <jgrimm2@us.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
2             Janis Johnson  <janis187@us.ibm.com>
3             Ben Elliston  <bje@au.ibm.com>
4
5         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
6         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
7         * target.h (struct gcc_target): Add decimal_float_supported_p.
8         * targhooks.c (default_scalar_mode_supported_p): Handle
9         MODE_DECIMAL_FLOAT.
10         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
11         of inf, nan, finite, isinf and isnan.
12         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
13         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
14         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
15         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
16         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
17         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
18         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
19         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
20         Pedwarn if decimal floating point types are used.  Error if
21         decimal floating point is not supported by the target.
22         (finish_declspecs): Return type from DFP typespec_word.
23         * c-typeck.c (c_common_type): Choose the decimal floating point
24         type with the greater precision when determining a common type.
25         (convert_arguments): Warn if there is a mismatch between argument
26         and prototype for decimal float types.  Warn of conversions with
27         binary float types and of precision narrowing due to prototype.
28         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
29         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
30         (c_token_starts_declspecs): Likewise.
31         (c_parser_attributes): Likewise.
32         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
33         RID_DFLOAT64, RID_DFLOAT128.
34         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
35         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
36         (shorten_compare): Convert DFP/BFP operands to a common type.
37         (c_common_modes_and_builtins): Register built-in decimal float
38         types if the target supports them.
39         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
40         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
41         inf, nan, finite, isinf and isnan builtins.
42         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
43         (builtin_define_float_constants): Assert non-decimal radix.
44         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
45         Call builtin_define_decimal_float_constants for each type.
46         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
47         flags.  Use real_from_string3, which can handle binary or decimal
48         floats.
49         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
50         cts_dfloat64, cts_dfloat128.
51         * tree.c (build_common_tree_nodes_2): Add decimal float types.
52         * tree.h (enum tree_index): Add new enumeration values
53         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
54         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
55         (dfloat32_type_node): New macro.
56         (dfloat64_type_node, dfloat128_type_node): Likewise.
57         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
58         (dfloat128_ptr_type_node): Likewise.
59         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
60         bit decimal floating point types with "df", "dd" and "dl".
61         * c-format.h (enum format_lengths): Add new enumeration values
62         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
63         * c-format.c (printf_length_specs, scanf_length_specs): Add
64         entries for H, D, DD.
65         (print_char_table, scan_char_table): Use new entries.
66         (asm_fprintf_char_table, gcc_diag_char_table,
67         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
68         length arrays.
69         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
70         (DECIMAL64_TYPE_SIZE): Likewise.
71         (DECIMAL128_TYPE_SIZE): Likewise.
72         (TARGET_DEC_EVAL_METHOD): Likewise.
73         * doc/extend.texi (Decimal Float): New node.
74         (Constructing Calls): Document decimal float built-ins.
75         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
76         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
77         * ginclude/decfloat.h: New file.
78
79 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
80
81         * reload.c (find_reloads): Fix comment typo.
82         * recog.h (recog_memoized): Correct comment.
83
84 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
85
86         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
87         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
88         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
89         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
90         * doc/invoke.texi, doc/tm.texi: Fix typos.
91
92 2005-12-16  Ben Elliston  <bje@au.ibm.com>
93
94         * real.c (decimal_quad_format): Correct values for emin, emax.
95
96 2005-12-15  DJ Delorie  <dj@redhat.com>
97
98         * config/m32c/predicates.md (m32c_psi_scale): New.
99         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
100         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
101
102 2005-12-16  Jan Hubicka  <jh@suse.cz>
103
104         PR rtl-optimization/25224
105         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
106         tables.
107
108 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
109             Steven Bosscher <stevenb@suse.de>
110
111         * loop-invariant.c (df): New global variable.
112         (find_defs, check_dependencies, find_invariant_insn, record_uses,
113         find_invariants_bb, find_invariants_body, find_invariants,
114         find_invariants_to_move, move_invariants, free_inv_motion_data,
115         move_single_loop_invariants, move_loop_invariants): Do not pass df in
116         arguments.
117
118 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
119
120         * varasm.c (default_unique_section_1): Use special section
121         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
122
123 2005-12-16  Ben Elliston  <bje@au.ibm.com>
124
125         * doc/invoke.texi (Warning Options): Document -Walways-true being
126         enabled by -Wall.
127
128 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
129
130         PR other/25028
131         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
132         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
133         __floatunditf): Use #error if type sizes don't match requirements
134         of implementation.
135         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
136         as wider floating-point type.  Use #error if type sizes don't
137         match requirements of implementation.  Avoid overflow in computing
138         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
139         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
140         (__floatundisf, __floatundidf): Likewise.
141         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
142         * config/ia64/ia64.c (ia64_init_libfuncs): Use
143         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
144         TFmode-TImode conversions.
145         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
146
147 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
148
149         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
150         Use builtin_define_with_int_value() instead of
151         adding a new check for every new major FreeBSD version.
152
153 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
154
155         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
156
157 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
158
159         * config/arm/predicates.md (call_memory_operand): New.
160         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
161
162 2005-12-15  Andrew Haley  <aph@redhat.com>
163
164         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
165         against prev_cache_entry == NULL when moving a cache entry to the
166         head of the list.
167         
168 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
169
170         * config/mt/mt.c (mt_override_options): Require lower case
171         architectures.  Revert accidental default to ms2.
172         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
173         ENDFILE_SPEC): Require lower case architectures.  Revert default
174         to ms2.
175
176         * doc/invoke.texi (MT Options): Rename and update.
177         * doc/md.texi (MorphoTech family): Rename and update.
178
179 2005-12-15  Olivier Hainque  <hainque@adacore.com>
180
181         * stor-layout.c (layout_type): Don't complain about a too small
182         an array element type size compared to its alignment when the
183         size overflows.
184
185 2005-12-15  Jan Hubicka  <jh@suse.cz>
186
187         PR target/24969
188         * i386.c (classify_argument): Properly adjust offset of bitfield for
189         substructures.
190
191 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
192
193         * final.c (final_scan_insn): Flip in_cold_section_p when changing
194         between the hot and cold sections.  Use current_function_section
195         to get the new section.
196         * dwarf2out.c (output_line_info): Use in_cold_section_p to
197         determine whether we are assembling hot or cold code.
198         (secname_for_decl, dwarf2out_var_location): Likewise.
199         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
200         * varasm.c (last_text_section): Delete.
201         (in_cold_section_p): New variable.
202         (hot_function_section): New function.
203         (current_function_section): Pass in_cold_section_p as the
204         reloc argument to select_section.  Use it to decide between
205         unlikely_function_section and hot_function_section.
206         (assemble_start_function): Use switch_to_section.  Set
207         in_cold_section_p instead of last_text_section.
208         (assemble_end_function): Use switch_to_section.
209         (switch_to_section): Don't set last_text_section.
210         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
211         argument to make the right choice between hot and cold sections.
212
213 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
214
215         Second part of MS1->MT renaming
216         * config/mt/mt.md (doloop_end): Call mt_add_loop.
217         (movqi, movhi): Call mt_set_memflags.
218         (*movdf_internal): Call mt_split_words. 
219         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
220         mt_set_memflags.
221         (cmpsi): Store to mt_compare_op[01].
222         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
223         bungt, bunle, bunlt): Call mt_emit_cbranch.
224         (prologue): Call mt_expand_prologue.
225         (epilogu): Call mt_expend_epilogue.
226         (eh_return): Call mt_expand_eh_return.
227         (eh_epilogue): Call me_emit_eh_epilogue.
228         (conditional_trap): Store to mt_compare_op[01].
229         * config/mt/crti.asm: Adjust comment.
230         * config/mt/crtn.asm: Adjust comment.
231         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
232         (mt_compare_op0, mt_compare_op1): Renamed.
233         (current_frame_info, zero_frame_info): Adjust type.
234         (mt_ucmpsi3_libcall): Renamed.
235         (mt_flag_delayed_branch): Renamed.
236         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
237         (mt_nops_required, mt_nop_reasons): Renamed.
238         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
239         mt_debug_stack, mt_print_operand_simple_address,
240         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
241         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
242         mt_function_arg_advance, mt_arg_partial_bytes,
243         mt_pass_by_reference, mt_function_arg_boundary,
244         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
245         mt_legitimate_address_p): Renamed, adjusted.
246         (mt_cpu): Renamed.
247         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
248         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
249         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
250         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
251         mt_expand_eh_return, mt_emit_eh_prologue,
252         mt_handl_interrupt_attribute): Renamed, adjusted.
253         (mt_attribute_table): Renamed, adjusted.
254         (mt_initial_elimination_offset, mt_generate_compare,
255         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
256         mt_secondary_reload_class, mt_function_value, mt_split_words,
257         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
258         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
259         (mt_labels): Renamed.
260         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
261         mt_machine_reorg): Renamed, adjusted.
262         (mt_attribute_table: Renamed.
263         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
264         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
265         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
266         * config/mt/mt.opt (march): Set mt_cpu_string.
267         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
268         (TARGET_CPU_CPP_BUILTINS): Adjust.
269         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
270         TARGET_MS2): Adjust.
271         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
272         (MT_MIN_INT): Renamed.
273         (RETURN_ADDR_RTX): Adjust.
274         (struct mt_frame_info): Renamed.
275         (current_frame_info): Adjust type.
276         (INITIAL_ELIMINATION_OFFSET): Adjust.
277         (MT_NUM_ARG_REGS): Renamed.
278         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
279         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
280         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
281         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
282         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
283         (mt_compare_op0, mt_compare_op1): Renamed.
284         * config/mt/mt-protos.h: Rename prototypes.
285
286 2005-12-15  Richard Guenther  <rguenther@suse.de>
287
288         * tree-flow.h (okay_component_ref_for_subvars): Remove.
289         (get_ref_base_and_extent): Declare.
290         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
291         (get_ref_base_and_extent): New function.
292         * tree-ssa-alias.c (find_used_portions): Use it.
293         * tree-ssa-structalias.c (get_constraint_for_component_ref):
294         Likewise.
295         * tree-ssa-operands.c (get_expr_operands): Likewise.
296
297 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
298
299         * combine.c: Remove force_to_mode's fourth parameter.
300         (force_to_mode): Do not handle REG.
301         (canon_reg_for_combine): New.
302         (make_field_assignment): Use it where the removed argument was non-NULL.
303
304 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
305
306         PR target/25406
307         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
308         error_mark_node.  Make alignment params unsigned.
309         * config/rs6000/rs6000-protos.h
310         (rs6000_special_round_type_align): Update prototype.
311         (rs6000_machopic_legitimize_pic_address): Remove arg names.
312
313 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
314
315         PR rtl-optimization/25310
316         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
317         of the eliminable register when substituting into a PLUS.
318
319 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
320
321         PR debug/25023
322         * config/i386/i386.c (ix86_force_to_memory): Always use
323         SImode push for HImode in -m32.
324         (ix86_free_from_memory): Likewise.
325
326 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
327
328         * gcc/config/arm/arm.md: Provide a big-endian version of the
329         (zero_extend:SI (subreg:QI ...)) splitter.
330
331 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
332
333         * struct-equiv.c (note_local_live): Handle hard regs with different
334         hard_regno_nregs.
335
336 2005-12-14  Jeff Law  <law@redhat.com>
337
338         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
339         to a structure containing state rather than a pointer to bool.
340         (case ARRAY_REF): New code to handle folding some array references.
341         (case ADDR_EXPR): Note when we are processing expressions found
342         within an ADDRE_EXPR.
343         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
344         for state variables rather than just a pointer to a boolean.
345         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
346         handling of constant string references.
347
348 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
349
350         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
351         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
352         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
353         Move other tst* patterns to retain partial order.
354
355 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
356
357         * config/s390/s390.md ("d0", "1"): New mode attributes.
358         ("<shift>di3", "<shift>si3"): Merge.
359         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
360         ("ashrdi3", "ashrsi3"): Merge.
361         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
362         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
363         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
364         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
365         ("*ashrdi3", "*ashrsi3"): Merge.
366         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
367
368 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
369
370         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
371         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
372         ("*extendqidi2", "*extendqisi2") Merge.
373         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
374         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
375         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
376         Move some patterns to retain partial ordering.
377
378 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
379
380         * config/s390/s390.md ("atype", "length"): Rewrite.
381         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
382
383 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
384
385         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
386
387 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
388
389         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
390         PARALLELs with a mode.
391
392 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
393
394         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
395         cond_expr parameter.
396
397 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
398
399         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
400
401 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
402
403         PR bootstrap/25397:
404
405         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
406         of STACK_REGS bits.
407
408         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
409
410 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
411
412         PR target/25254
413         PR target/24188
414         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
415         DECL_P, call get_section rather than get_named_section.  Supply
416         section flags to it.
417
418 2005-12-14  Ben Elliston  <bje@au.ibm.com>
419
420         * c-common.c (c_common_truthvalue_conversion): Generalise warning
421         for addresses converted to booleans; not just function addresses.
422         * c-typeck.c (build_binary_op): Warn for address comparisons which
423         can never be NULL (eg. func == NULL or &var == NULL).
424         * common.opt (Walways-true): New option.
425         * c-opts.c (c_common_handle_option): Set it with -Wall.
426         * doc/invoke.texi: Document it.
427
428 2005-12-13  Paul Brook  <paul@codesourcery.com>
429
430         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
431         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
432
433 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
434
435         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
436         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
437
438         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
439         (EXTRA_MULTILIB_PARTS): Define.
440
441 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
442
443         PR rtl-optimization/20070 / part1
444         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
445         count_or_remove_death_notes with kill == -1.
446         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
447         registers if PROP_POST_REGSTACK is set.
448         (mark_used_reg): Likewise.
449         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
450         REG_UNUSED notes for stack regs.
451         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
452         to match rtx_equiv_p machinery.  Change caller.
453         (outgoing_edges_match): Likewise.
454         (try_crossjump_to_edge): Use struct_equiv_block_eq
455         instead of flow_find_cross_jump.
456         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
457         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
458         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
459         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
460         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
461         (insns_match_p): Update prototype.
462         (flow_find_cross_jump): Remove prototype.
463         (struct_equiv_block_eq, struct_equiv_init): Declare.
464         (rtx_equiv_p, condjump_equiv_p): Likewise.
465         * struct-equiv.c: Include reload.h.
466         (IMPOSSIBLE_MOVE_FACTOR): Define.
467         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
468         (struct_equiv_improve_checkpoint): Likewise.
469         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
470         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
471         (struct_equiv_merge, find_dying_input): Likewise.
472         (resolve_input_conflict, note_local_live): Likewise.
473         (death_notes_match_p): Change parameters and processing
474         to match rtx_equiv_p machinery.  Change caller.
475         (insns_match_p): Likewise.
476         (flow_find_cross_jump): Replace with:
477         (struct_equiv_block_eq).
478
479         Back out this change:
480         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
481           * recog.c (verify_changes): Make it static.
482           * recog.h: Remove the corresponding prototype.
483
484 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
485
486         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
487         values.
488
489 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
490
491         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
492         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
493         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
494         TARGET_MS1_64_001 appropriately.
495         (ms1_machine_reorg): Use TARGET_MS2.
496
497 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
498
499         PR debug/25023
500         PR target/25293
501         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
502         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
503         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
504         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
505         Set mode to SI, adjust constraints.
506         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
507         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
508         32-bit code.
509
510 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
511
512         * c-cppbuiltin.c (builtin_define_float_constants): Add
513         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
514         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
515         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
516         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
517         to "((double)%sL)" otherwise "%s".
518
519 2005-12-13  Paul Brook  <paul@codesourcery.com>
520
521         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
522         apcs/atpcs.
523
524 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
525
526         * tree-flow.h: Allow compilation with a C++ compiler.
527         (struct edge_prediction): Prefix all field names  with "ep_".
528         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
529         (tree_predict_edge, combine_predictions_for_bb): Likewise.
530         (remove_predictions_associated_with_edge): Likewise.
531         
532 2005-12-12  Jeff Law  <law@redhat.com>
533
534         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
535         reassociation code.
536         * passes.c (init_optimization_passes): Run reassociation again
537         after loop optimizations.
538
539 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
540
541         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
542         if necessary.
543         (optimize_stmt): Ditto.
544         (canonicalize_comparison): New function.
545         * tree-ssa-operands.c (swap_tree_operands): Make external.
546         (get_expr_operands): Stop auto-canonicalization.
547         * tree-ssa-reassoc.c: Rewrite.
548         (init_optimization_passes): 
549         * tree-flow.h (swap_tree_operands): Prototype.
550         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
551
552 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
553
554         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
555         indicate function epilogue has been output.
556         (pa_asm_output_mi_thunk): Likewise.
557         (output_deferred_plabels): Put plabels in readonly data section when
558         not generating PIC code.
559         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
560         information.  Add assert.
561         (som_output_comdat_data_section_asm_op): New function.
562         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
563         instead of output_section_asm_op for COMDAT sections.
564
565 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
566
567         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
568         Fix whitespace in vincinity of to-be-installed changes.
569         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
570         (insns_match_p): Likewise.
571
572 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
573
574         * config.gcc (ms1): Replace with ...
575         (mt): ... this.
576         * config/ms1: Rename to ...
577         * config/mt: ... here.  Rename ms1 files to mt.
578         * config/mt/mt.c: Adjust gt-mt.h #include.
579         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
580         (crti.o, crtn.o): Adjust file names.
581
582 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
583
584         * varray.h: Allow compilation with a C++ compiler.
585         (union varray_data_tag): Prefix all field names with "vdt_".
586         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
587         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
588         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
589         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
590         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
591         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
592         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
593         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
594         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
595         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
596         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
597         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
598         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
599         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
600         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
601         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
602         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
603         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
604         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
605         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
606         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
607         VARRAY_TOP_TREE_PTR): Likewise.
608         * varray.c (varray_grow): Likewise.
609         (varray_clear): Likewise.
610
611 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
612
613         PR target/25299
614         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
615         alignment to doubleword if the first field is a double array.
616         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
617
618 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
619
620         * tree-ssa-structalias.c (process_constraint): Remove code to
621         transform addressofs into scalar.
622         (create_variable_info_for): In whole-program IPA, globals don't
623         point to ANYTHING by default.
624
625 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
626
627         * timevar.def (TV_IPA_PTA): New.
628         * tree-pass.h (pass_ipa_pta): New
629         * tree-ssa-structalias.c: Include cgraph.h
630         (in_ipa_mode): New.
631         (predbitmap_obstack): New.
632         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
633         (struct constraint_stats): Add num_edges.
634         (new_var_info): Don't call bitmap_clear.
635         (struct constraint_edge): Update docs.
636         (new_constraint_edge): Remove src param.
637         (struct constraint_graph): Add zero_weight_succs,
638         zero_weight_preds.  Update docs.
639         (constraint_expr_equal): Reformat.
640         (constraint_edge_equal): Update for removal of src.
641         (constraint_edge_less): Ditto.
642         (constraint_edge_vec_find): Ditto.
643         (erase_graph_self_edge): Update for removal of src and and zero
644         weight bitmap.
645         (clear_edges_for_node): Ditto.
646         (add_graph_edge): Ditto.
647         (get_graph_weights): Ditto.
648         (allocate_graph_weights): Ditto.
649         (merge_graph_nodes): Ditto.
650         (int_add_graph_edge): Ditto.
651         (valid_graph_edge): Ditto.
652         (valid_weighted_graph_edge): Ditto.
653         (build_constraint_graph): Ditto.
654         (scc_visit): Ditto.
655         (collapse_nodes): Ditto.
656         (process_unification_queue): Ditto.
657         (topo_visit): Ditto.
658         (solve_graph): Ditto.
659         (do_structure_copy): Ditto.
660         (perform_var_substitution): Ditto.
661         Init and release obstack.
662         (handle_ptr_arith): Try to resolve directly.
663         (find_func_aliases): Don't call update_alias_info here
664         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
665         (do_sd_constraint): Add code for propagating faster.
666         Update.
667         (do_ds_constraint): Ditto.
668         (count_num_arguments): New function.
669         (create_function_info_for): Ditto.
670         (create_variable_info_for): Handle FUNCTION_DECL.
671         (intra_create_variable_infos): Use make_constraint_to_anything.
672         (init_alias_vars): Init obstacks here.
673         (need_to_solve): Handle zero weight graph changes.
674         (compute_points_to_sets): Call update_alias_info here.
675         (delete_points_to_sets): Free zero weight preds/succs here.
676         (gate_ipa_pta): New.
677         (ipa_pta_execute): New
678
679 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
680
681         * tree-ssa-structalias.c (var_anyoffset): Removed.
682         (anyoffset_tree): Ditto.
683         (anyoffset_id): Ditto.
684         (do_deref): Take vector of constraints, no return value.
685         Update to work on vector.                
686         (get_constraint_for): Ditto.
687         (get_constraint_for_component_ref): Ditto.
688         (do_structure_copy): Ditto.
689         (handle_ptr_arith): Ditto.
690         (find_func_aliases): Ditto.
691         (set_uids_in_ptset): Remove anyoffset handling.
692         (init_base_vars): Ditto.
693
694 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
695
696         PR c++/25010
697         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
698         DECL_EXTERNAL functions have no bodies.  Tidy.
699
700 2005-12-10  Andreas Schwab  <schwab@suse.de>
701
702         * except.c (switch_to_exception_section): Only define if
703         TARGET_UNWIND_INFO is not defined.
704
705 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
706
707         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
708         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
709
710 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
711
712         * output.h (init_section, fini_section): Delete.
713         * varasm.c (init_section, fini_section): Delete.
714         (init_varasm_once): Don't initialize them.
715         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
716         there are no corresponding varasm.c variables.
717
718 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
719
720         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
721         of EH_FRAME_SECTION_NAME into...
722         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
723         if it is still null.
724         * except.c (default_exception_section): Delete, moving most
725         of the code to...
726         (switch_to_exception_section): ...this new function.  Set
727         exception_section if it is still null, then switch to it.
728         (output_function_exception_table): Use switch_to_exception_section.
729         * varasm.c (exception_section, eh_frame_section): Update comments.
730         (get_section): Hoist use of SECTION_NAMED.
731         (init_varasm_once): Don't set exception_section and eh_frame_section.
732         * output.h (default_exception_section): Delete.
733         (default_eh_frame_section): Delete.
734
735 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
736
737         * config/bfin/bfin.c: Include "cgraph.h".
738         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
739         Return the reg that holds the pointer to the GOT.
740         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
741         doing stack checking.
742
743 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
744
745         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
746         recompute_tree_invarant_for_addr_expr.
747         Update uses everywhere.
748
749 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
750
751         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
752         (MULTILIB_DIRNAMES): Define.
753
754 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
755
756         PR target/25311
757         * config/s390/s390.c (struct s390_address): New field literal_pool.
758         (s390_decompose_address): Compute literal_pool field.  Do not 
759         assume register %r13 is always (and solely) used as pool base.
760         (s390_extra_constraint_str): Use literal_pool field.
761
762 2005-12-09  Thiemo Seufer  <ths@networkno.de>
763
764         * config/mips/mips.c (override_options): Don't allow too small
765         integers in FP registers.
766
767 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
768
769         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
770         targetm.binds_local_p to check for local function calls.
771
772 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
773
774         PR debug/24908
775         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
776         call_used_regs can't be used to save reg in another reg.
777
778 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
779             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
780
781         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
782         abort.
783         * except.c (output_ttype): Likewise.
784         * tree-object-size.c (collect_object_sizes_for): Likewise.
785         (check_for_plus_in_loops_1): Likewise.
786         (check_for_plus_in_loops): Likewise.
787         (compute_object_sizes): Use gcc_unreachable instead of abort.
788
789 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
790
791         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
792         (loop_end, loop_init, doloop_end): New insns.
793         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
794         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
795         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
796         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
797         * config/ms1/ms1.c: #include basic-block.h
798         (struct machine_function): Add has_loops field.
799         (ms1_add_loop): New.
800         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
801         (struct loop_info, struct loop_work): New.
802         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
803         (ms1_reorg_loops): New loop optimization.
804         (ms1_machine_reorg): Call it.
805         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
806
807 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
808
809         PR tree-optimization/25248
810         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
811         evolution_of_loop from the failed attempt.  Remove handling
812         of MULT_EXPR.
813
814 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
815
816         * tree.h (DECL_EXTERNAL): Clarify documentation.
817
818 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
819             Jakub Jelinek  <jakub@redhat.com>
820
821         PR target/25268
822         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
823         argument.  Don't drop outer ANDs.
824         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
825         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
826         prototype.
827         * config/s390/predicates.md (setmem_operand): Remove.
828         (shift_count_operand): Rename to...
829         (shift_count_or_setmem_operand): ... this.  Adjust
830         s390_decompose_shift_count caller.
831         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
832         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
833         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
834         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
835         rotl<mode>3_and, setmem_long_and): New insns.
836         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
837         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
838         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
839         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
840         of shift_count_operand.
841         (setmem_long): Use shift_count_or_setmem_operand instead of
842         setmem_operand.
843
844 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
845             Andreas Tobler  <a.tobler@schweiz.ch>
846
847         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
848         tr expression.
849
850 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
851
852         * expr.c (force_operand): Use convert_to_mode for conversions.
853
854 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
855
856         * reload.h (reg_equiv_invariant): Declare.
857         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
858         register also when reg_equiv_invariant[R] is set.
859
860 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
861             Andreas Tobler  <a.tobler@schweiz.ch>
862
863         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
864
865 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
866
867         * tree-ssa-pre.c (bitmap_set_and): New function.
868         (bitmap_set_and_compl): New function.
869         (bitmap_set_empty_p): New function.
870         (insert_extra_phis): New function.
871         (compute_avail): Use insert_extra_phis.
872
873 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
874
875         * config/s390/s390.c (s390_expand_atomic): New function.
876         Adjust comment of helper functions.
877         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
878         * config/s390/s390.md ("ATOMIC"): New code macro.
879         ("atomic"): Corresponding new code attribute.
880         ("sync_lock_test_and_set[hq]i", 
881         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
882
883 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
884
885         * config/s390/s390.c (s390_expand_mask_and_shift, 
886         struct alignment_context, init_alignment_context, 
887         s390_expand_cs_hqi): New.
888         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
889         * config/s390/s390.md ("sync_compare_and_swaphi",
890         "sync_compare_and_swapqi"): New pattern.
891
892 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
893
894         Fix PR tree-optimization/25291
895         * tree-ssa-operands.c (add_call_clobber_ops): Remove
896         redundant and crashing check.
897
898 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
899
900         PR target/25212
901         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
902         tests further when !strict && reload_in_progress.
903         (print_operand): Check that both operands of indexed address are regs.
904         (print_operand_address): Likewise.
905         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
906         (INT_REG_OK_FOR_BASE_P): Correct.
907
908 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
909
910         Preparation for PR rtl-optimization/20070 / part1
911         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
912         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
913         outgoing_edges_match.
914         (outgoing_edges_match): Use condjump_equiv_p.
915         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
916         into..
917         * struct-equiv.c: New file.
918         (death_notes_match_p) New function, broken out of insns_match_p.
919         * Makefile.in (OBJS-common): Add struct-equiv.o.
920         (struct-equiv.o): New target.
921
922 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
923
924         * coretypes.h: Revert previous change.
925         * config/darwin.h: Revert previous reversion.
926         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
927
928 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
929
930         * coretypes.h (section): Provide dummy definition for target files.
931         * config/darwin.h: Revert previous change.
932
933 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
934
935         * doc/sourcebuild.texi (all.build, install-normal): Remove.
936         * configure.ac: Remove all.build and install-normal from target_list
937         * configure: Regenerate.
938         * Makefile.in (install): Don't depend on install-normal.
939
940 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
941
942         * Makefile.in: Document the use of stamps.
943
944 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
945
946         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
947         * Makefile.in: Add code to compute some dependencies on s-gtype
948         automatically.  Remove the declaration of those dependencies.
949
950 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
951
952         * gcc/reload.c (push_secondary_reload): Fix typo:
953         s/insn_constraint/scratch_constraint/.
954
955 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
956
957         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
958
959 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
960
961         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
962         (alpha_elf_select_rtx_section): Return the selected section rather
963         than emitting assembly code.
964         (alpha_write_linkage): Emit a ".link" directive directly and then
965         set in_section to NULL.
966         (vms_asm_out_constructor): Use switch_to_section.
967         (vms_asm_out_destructor): Likewise.
968         (unicosmk_output_common): Set in_section to NULL instead of calling
969         the dummy common_section function.
970         (unicosmk_text_section): Delete in favor of...
971         (unicosmk_output_text_section_asm_op): ...this new function.
972         (unicosmk_data_section): Delete in favor of...
973         (unicosmk_output_data_section_asm_op): ...this new function.
974         (unicosmk_init_sections): New function.
975         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
976         (unicosmk_output_ssib): Set in_section to NULL instead of calling
977         the dummy ssib_section function.
978         (unicosmk_section_buf): Delete.
979         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
980         (unicosmk_data_section): Delete.
981         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
982         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
983         (SECTION_FUNCTION_TEMPLATE): Delete.
984         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
985         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
986         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
987         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
988         (TARGET_ASM_INIT_SECTIONS): Define.
989         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
990         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
991         (link_section, literals_section): Delete.
992         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
993         set in_section to NULL.
994
995         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
996         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
997         (COMMON_SECTION): Delete.
998         (TARGET_ASM_INIT_SECTIONS): Define.
999         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1000         the dummy common_section function.
1001         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1002         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1003         between readonly_data_section and text_section to check whether
1004         read-only data is being put in the text section.
1005         (arm_output_function_epilogue): Use switch_to_section.
1006         (arm_elf_asm_constructor): Likewise.
1007         (thumb_call_via_reg): Replace call to in_text_section with
1008         a comparison between in_section and text_section.
1009         (arm_file_end): Use switch_to_section.
1010         (aof_text_section): Delete in favor of...
1011         (aof_output_text_section_asm_op): ...this new function.
1012         (aof_data_section): Delete in favor of...
1013         (aof_output_data_section_asm_op): ...this new function.
1014         (aof_asm_init_sections): New function.
1015         (zero_init_section): Moved from config/arm/aof.h.
1016         (aof_dump_imports, aof_file_start): Use switch_to_section.
1017         * config/arm/arm.h (thumb_call_via_label): Update comment.
1018         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1019         (common_section): Delete.
1020         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1021         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1022         global switch_to_section function instead of the old port-local one.
1023         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1024         (SWITCH_TO_SECTION_FUNCTION): Delete.
1025         (drectve_section): Redefine as a macro.
1026         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1027         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1028         switch_to_section.
1029
1030         * config/avr/avr.c (progmem_section): New variable.
1031         (avr_output_progmem_section_asm_op): New function.
1032         (avr_asm_init_sections): New function.
1033         (avr_output_addr_vec_elt): Use switch_to_section.
1034         * config/avr/avr.h (progmem_section): Declare.
1035         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1036         (READONLY_DATA_SECTION): Delete.
1037         (TARGET_ASM_INIT_SECTIONS): Define.
1038         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1039         * config/avr/avr-protos.h (progmem_section): Delete.
1040
1041         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1042
1043         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1044         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1045
1046         * config/darwin-sections.def: New file.
1047         * config/darwin.c: Define all sections in darwin-sections.def.
1048         (output_objc_section_asm_op, darwin_init_sections): New functions.
1049         (machopic_output_indirection): Use switch_to_section.
1050         (machopic_select_section): Return the selected section rather than
1051         emitting assembly code.  Replace the static function table with
1052         inline conditional expressions.  Update the tests of last_text_section
1053         and move them into the FUNCTION_DECL block.
1054         (machopic_select_rtx_section): Return the selected section rather than
1055         emitting assembly code.
1056         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1057         (darwin_file_end): Use switch_to_section.
1058         * config/darwin.h: Use darwin-sections.def to declare sections.
1059         (INIT_SECTION_ASM_OP): Remove empty definition.
1060         (HAS_INIT_SECTION): Define this instead.
1061         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1062         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1063         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1064         (TARGET_ASM_INIT_SECTIONS): Define.
1065         * config/darwin-protos.h (darwin_init_sections): Declare.
1066         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1067         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1068         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1069         (constructor_section, destructor_section, mod_init_section): Delete.
1070         (mod_term_section): Delete.
1071         (darwin_exception_section, darwin_eh_frame_section): Delete.
1072         (machopic_select_section): Return a section.
1073         (machopic_select_rtx_section): Likewise.
1074         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1075         (const_section, const_coal_section, const_data_section): Delete.
1076         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1077         (literal4_section, literal8_section, constructor_section): Delete.
1078         (mod_init_section, mod_term_section, destructor_section): Delete.
1079         (objc_class_section, objc_meta_class_section, objc_category_section)
1080         (objc_class_vars_section, objc_instance_vars_section): Delete.
1081         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1082         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1083         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1084         (objc_symbols_section, objc_module_info_section): Delete.
1085         (objc_image_info_section, objc_protocol_section): Delete.
1086         (objc_string_object_section, objc_constant_string_object_section)
1087         (objc_class_names_section, objc_meth_var_names_section): Delete.
1088         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1089         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1090         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1091         (darwin_exception_section, darwin_eh_frame_section): Delete.
1092         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1093
1094         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1095         (frv_asm_out_destructor): Likewise.
1096         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1097         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1098         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1099         get_named_section.
1100         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1101         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1102         (data_section): Delete.
1103
1104         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1105         (DRECTVE_SECTION_FUNCTION): Delete.
1106         (drectve_section): Redefine as a macro that sets in_section after
1107         emitting the directive.
1108         (SWITCH_TO_SECTION_FUNCTION): Delete.
1109         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1110         in_text_section with comparison between in_section and text_section.
1111         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1112         rather than emitting assembly code.  Use get_named_section.
1113         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1114         get_named_section.
1115         (machopic_output_stub): Use switch_to_section.
1116         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1117         (nwld_named_section_asm_out_destructor): Use get_section and
1118         switch_to_section.
1119
1120         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1121         rather than emitting assembly code.
1122         (ia64_rwreloc_select_section): Likewise.
1123         (ia64_rwreloc_select_rtx_section): Likewise.
1124         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1125         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1126         switch_to_section.
1127         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1128         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1129
1130         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1131         section rather than emitting assembly code.
1132         (iq2000_select_section): Likewise.
1133         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1134         (sbss_section): Delete.
1135
1136         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1137         and get_named_section.
1138         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1139
1140         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1141         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1142         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1143         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1144         in_section to NULL.
1145         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1146         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1147         global switch_to_section function instead of the old port-local one.
1148         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1149         (SWITCH_SECTION_FUNCTION): Delete.
1150         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1151         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1152         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1153         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1154         in_section to NULL.
1155         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1156         global switch_to_section function instead of the old port-local one.
1157         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1158
1159         * config/mips/mips.c (mips_file_start): Update comment.
1160         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1161         (mips_output_aligned_decl_common): Use switch_to_section.
1162         (mips_select_rtx_section): Return the section rather than emitting
1163         assembly code.  Use get_named_section.
1164         (mips_function_rodata_section: Likewise get_section.
1165         (build_mips16_function_stub): Use switch_to_section.
1166         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1167         (SDATA_SECTION_ASM_OP): Delete.
1168         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1169         (EXTRA_SECTION_FUNCTIONS): Delete.
1170
1171         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1172         (mmix_asm_output_aligned_local): Use switch_to_section.
1173
1174         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1175         (som_one_only_readonly_data_section): New variables.
1176         (pa_output_function_epilogue): Set in_section to NULL instead of
1177         calling forget_section.
1178         (output_deferred_plabels): Use select_section.
1179         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1180         of calling forget_section.
1181         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1182         (pa_asm_output_aligned_local): Use select_section.
1183         (som_text_section_asm_op): Delete in favor of...
1184         (som_output_text_section_asm_op): ...this new function.
1185         (pa_som_asm_init_sections): New function.
1186         (pa_select_section): Return the section rather than emitting
1187         assembly code.
1188         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1189         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1190         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1191         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1192         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1193         (som_readonly_data_section, som_one_only_readonly_data_section)
1194         (som_one_only_data_section, forget_section): Delete.
1195         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1196         (TARGET_ASM_INIT_SECTIONS): Define.
1197         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1198
1199         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1200         (private_data_section, read_only_private_data_section): New variables.
1201         (sdata2_section, toc_section): New variables.
1202         (rs6000_file_start): Use switch_to_section.
1203         (rs6000_assemble_integer): Use comparisons against in_section
1204         instead of calling in_toc_section and in_text_section.  Use
1205         unlikely_text_section_p.
1206         (rs6000_elf_output_toc_section_asm_op): New function, derived
1207         from the old rs6000/sysv4.h toc_section function.
1208         (rs6000_elf_asm_init_sections): New function.
1209         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1210         the section rather than emitting assembly code.
1211         (machopic_output_stub): Use switch_to_section.
1212         (toc_section): Delete dummy function.
1213         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1214         switch_to_section and get_section.
1215         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1216         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1217         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1218         the old rs6000/xcoff.h toc_section function.
1219         (rs6000_xcoff_asm_init_sections): New function.
1220         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1221         the section rather than emitting assembly code.
1222         (rs6000_xcoff_file_start): Use switch_to_section.
1223         (rs6000_xcoff_file_end): Likewise.
1224         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1225         (sdata2_section, sbss_section, private_data_section): Delete.
1226         (read_only_data_section, read_only_private_data_section): Delete.
1227         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1228         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1229         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1230         (FINI_SECTION_FUNCTION): Delete.
1231         (TARGET_ASM_INIT_SECTIONS): Define.
1232         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1233         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1234         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1235         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1236         (READONLY_DATA_SECTION): Delete.
1237         (TARGET_ASM_INIT_SECTIONS): Define.
1238         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1239         to NULL rather than no_section.
1240         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1241
1242         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1243
1244         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1245         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1246         from call to current_function_section.
1247
1248         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1249         (bss100_section): New variable.
1250         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1251         (xstormy16_asm_init_sections): New function.
1252         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1253         switch_to_section and get_section.
1254         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1255         from calls to current_function_section.
1256         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1257         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1258         (TARGET_ASM_INIT_SECTIONS): Define.
1259         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1260
1261         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1262         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1263         (FINI_SECTION_FUNCTION): Delete.
1264
1265         * config/v850/v850.c: Include gt-v850.h.
1266         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1267         (zbss_section): New variables.
1268         (v850_output_aligned_bss): Use switch_to_section.
1269         (v850_asm_init_sections): New function.
1270         (v850_select_section): Return the section rather than emitting
1271         assembly code.
1272         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1273         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1274         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1275         (TARGET_ASM_INIT_SECTIONS): Define.
1276         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1277         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1278         (zbss_section): Delete.
1279
1280         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1281
1282         * config/vx-common.h (vxworks_exception_section): Delete.
1283         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1284
1285         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1286         section rather than emitting assembly code.
1287         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1288         switch_to_section.
1289
1290         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1291         * coretypes.h (section): New union and typedef.
1292         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1293         from call to current_function_section.
1294         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1295         (dbxout_symbol_location): Use switch_to_section.
1296         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1297         most of the code into...
1298         (default_eh_frame_section): ...here.  Return a section.
1299         (collect2_eh_frame_section): Delete, moving most of the code into..
1300         (switch_to_eh_frame_section): ...this new function.
1301         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1302         (debug_macinfo_section, debug_line_section, debug_loc_section)
1303         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1304         variables.
1305         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1306         eh_frame_section.  Use switch_to_section and get_section.
1307         (dwarf2out_begin_prologue): Use switch_to_section.
1308         (AT_string_form): Check the flags in debug_str_section instead of
1309         DEBUG_STR_SECTION_FLAGS.
1310         (output_comp_unit): Use switch_to_section, get_section, and
1311         debug_info_section.
1312         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1313         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1314         from call to current_function_section.
1315         (dwarf2out_var_location): Use unlikely_text_section_p.
1316         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1317         from call to current_function_section.
1318         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1319         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1320         debug_macinfo_section.
1321         (dwarf2out_init): Initialize the new section variables.  Use them
1322         instead of calls to named_section_flags.  Use switch_to_section.
1323         (output_indirect_string): Use switch_to_section and debug_str_section.
1324         (dwarf2out_finish): Use switch_to_section and the new section
1325         variables.
1326         * except.c (default_exception_section): Return the section instead
1327         of emitting assembly code.
1328         (output_function_exception_table): Use the global exception_section
1329         variable instead of the target hook.  Use switch_to_section.  Remove
1330         argument from call to current_function_section.
1331         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1332         (shorten_branches): Use pointer comparisons to detect whether the
1333         text section is the same as readonly_data_section.
1334         (profile_function): Use switch_to_section.  Remove argument from
1335         call to current_function_section.
1336         (final_scan_insn): Likewise.  Update use of last_text_section.
1337         * gengtype.c (open_base_files): Add an include of output.h.
1338         * output.h (text_section, data_section, readonly_data_section)
1339         (ctors_section, dtors_section, bss_section, init_section)
1340         (fini_section, sdata_section): Turn into section pointers.
1341         (in_text_section, in_unlikely_text_section, exports_section)
1342         (drectve_section, named_section, mergeable_string_section)
1343         (last_text_section_name): Delete.
1344         (default_exception_section, default_eh_frame_section): Return sections.
1345         (SECTION_DECLARED, SECTION_NAMED): New macros.
1346         (SECTION_MACH_DEP): Bump value.
1347         (section_common, named_section, unnamed_section): New structures.
1348         (unnamed_section_callback): New typedef.
1349         (section): New union.
1350         (sbss_section, exception_section, eh_frame_section): New variables.
1351         (in_section, last_text_section): Turn into section pointers.
1352         (get_unnamed_section, get_section, get_named_section): New functions.
1353         (mergeable_constant_section, function_section): Return a section.
1354         (unlikely_text_section): Likewise.
1355         (current_function_section): Likewise.  Remove the decl argument.
1356         (unlikely_text_section_p, switch_to_section): New functions.
1357         (output_section_asm_op): New function.
1358         (set_named_section_flags, named_section_flags, named_section_real)
1359         (named_section_first_declaration): Delete.
1360         (default_select_section, default_elf_select_section): Return a section.
1361         (default_elf_select_section_1, default_function_rodata_section)
1362         (default_no_function_rodata_section, default_select_rtx_section)
1363         (default_elf_select_rtx_section): Likewise.
1364         * rtl.h (in_data_section): Delete.
1365         * sdbout.c (sdbout_one_type): Use switch_to_section.
1366         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1367         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1368         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1369         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1370         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1371         (TARGET_ASM_OUT): Update after above changes.
1372         * target.h (init_sections): New hook.
1373         (exception_section, eh_frame_section): Delete.
1374         (select_section, select_rtx_section, function_rodata_section): Return
1375         a section rather than emitting assembly code.
1376         * varasm.c (text_section, data_section, readonly_data_section)
1377         (ctors_section, dtors_section, bss_section, init_section)
1378         (fini_section): Turn into section pointers.
1379         (sdata_section, sbss_section, exception_section): New variables.
1380         (eh_frame_section): New variable.
1381         (in_section): Make global and turn into a section pointer.
1382         (last_text_section): Turn into a section pointer.
1383         (unnamed_sections): New variable.
1384         (in_named_name, last_text_section_name): Delete.
1385         (EXTRA_SECTION_FUNCTIONS): Delete.
1386         (in_named_entry): Delete.
1387         (section_htab): New variable, replacing...
1388         (in_named_htab): ...this deleted variable.
1389         (section_entry_eq, section_entry_hash): New functions, based on...
1390         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1391         (get_unnamed_section, get_section): New functions.
1392         (unlikely_text_section): Return a section instead of emitting
1393         assembly code.
1394         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1395         (get_named_section_flags, named_section_first_declaration): Delete.
1396         (unlikely_text_section_p): New function.
1397         (named_section_real, named_section): Delete.
1398         (get_named_section): New function.
1399         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1400         (function_section): Return a section rather than emitting
1401         assembly code.
1402         (current_function_section): Likewise.  Remove argument.  Use
1403         last_text_section if nonnull, otherwise use function_section.
1404         (default_function_rodata_section): Return a section rather than
1405         emitting assembly code.  Use get_section.
1406         (default_no_function_rodata_section): Return a section rather than
1407         emitting assembly code.
1408         (variable_section): Use switch_to_section and get_named_section.
1409         (mergeable_string_section): Return a section rather than emitting
1410         assembly code.  Use get_section.  Make static.  Don't take special
1411         countermeasures for empty strings.
1412         (mergeable_constant_section): Return a section rather than emitting
1413         assembly code.  Use get_section.
1414         (default_named_section_asm_out_destructor): Use switch_to_section
1415         and get_section.
1416         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1417         (default_named_section_asm_out_constructor): Use switch_to_section
1418         and get_section.
1419         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1420         (assemble_start_function): Likewise.  Set last_text_section to
1421         NULL rather than no_section.  Change the type of save_section.
1422         (assemble_zeros, assemble_variable): Use the section flags to detect
1423         whether or not a section is text.
1424         (assemble_static_space): Use switch_to_section.
1425         (assemble_trampoline_template): Likewise.
1426         (output_constant_def_contents): Use switch_to_section and
1427         get_named_section.
1428         (output_constant_pool_1): Use switch_to_section.  Use the section
1429         flags to see whether sections contain mergeable data.
1430         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1431         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1432         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1433         whether a section has already been declared.
1434         (default_select_section, default_elf_select_section): Return a
1435         section rather than emitting assembly code.
1436         (default_elf_select_section_1): Likewise.  Use bss_section for
1437         SECCAT_BSS if nonnull.  Use get_named_section.
1438         (default_select_rtx_section): Return a section rather than
1439         emitting assembly code.
1440         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1441         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1442         (output_section_asm_op, switch_to_section): New functions.
1443         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1444         get_named_section.
1445
1446         * doc/tm.texi: Expand the introduction to the sections documentation.
1447         (TRAMPOLINE_SECTION): Document new interface.
1448         (SDATA_SECTION_ASM_OP): Document new macro.
1449         (READONLY_DATA_SECTION): Delete.
1450         (SDATA_SECTION_ASM_OP): Document new macro.
1451         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1452         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1453         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1454         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1455         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1456
1457 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1458
1459         * gcc.c (init_gcc_specs): Match braces inside conditionally
1460         compiled strings.
1461
1462 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1463
1464         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1465
1466 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1467
1468         PR C++/24138
1469         * tree.c (integer_all_onesp): Always return true if all bits on.
1470
1471         * testsuite/g++.dg/init/array0.C: New.
1472
1473 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1474
1475         * doc/md.texi: Adapt to implementation.
1476
1477 2005-12-06  Andreas Schwab  <schwab@suse.de>
1478
1479         * opts.c (decode_options): Fix typo in message.
1480
1481 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1482
1483         PR other/13873
1484         * longlong.h: Merge PPC tests from upstream.
1485
1486 2005-12-06  Richard Guenther  <rguenther@suse.de>
1487
1488         * fold-const.c (fold_convert): Do not build and fold
1489         CONVERT_EXPR, but always use NOP_EXPR.
1490
1491 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1492
1493         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1494         __builtin_ia32_paddq and __builtin_ia32_subq.
1495         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1496         __builtin_ia32_pshufw.
1497         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1498
1499 2005-12-05  James E Wilson  <wilson@specifix.com>
1500
1501         PR target/24934
1502         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1503         is set.
1504
1505 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1506         
1507         * print-tree.c (print_node): Ditto.
1508         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1509         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1510         before accessing DECL_ARTIFICIAL. 
1511         Handle new tag tree codes.
1512         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1513         changes.
1514         (unmodifiable_var_p): Ditto.
1515         * tree-flow.h (mem_tag_kind): Remove.
1516         (struct var_ann_d): Remove mem_tag_kind member.
1517         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1518         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1519         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1520         (group_aliases): Ditto.
1521         (setup_pointers_and_addressables): Ditto.
1522         (is_escape_site): Ditto.                                          
1523         (may_alias_p): Ditto.
1524         (create_tag_raw): New function.
1525         (create_memory_tag): Use it.
1526         (dump_alias_info): Update for tags.
1527         (may_be_aliased): Ditto.
1528         (add_type_alias): Ditto.
1529         (new_type_alias): Ditto.
1530         (create_sft): Ditto.
1531         (create_structure_vars): Ditto.
1532         * tree-ssa-ccp.c (get_default_value): Ditto.
1533         * tree-ssa-operands.c (get_expr_operands): Ditto.
1534         (add_stmt_operand): Ditto.
1535         (add_call_clobber_ops): Remove duplicated condition.
1536         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1537         tags.
1538         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1539         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1540         * tree.c (init_ttree): Update structures for new tree codes.
1541         (tree_code_size): Update sizes for new tree codes.
1542         (make_node_stat): Don't try to set common things on minimal
1543         structures.
1544         (tree_node_structure): Update for tags.
1545         (is_global_var): Ditto.
1546         * tree.def: Add new tree codes.
1547         * tree.h (MTAG_P): New macro.
1548         (TREE_MEMORY_TAG_CHECK): Ditto.
1549         (SSA_VAR_P): Update for tags.
1550         (struct tree_memory_tag): New structure.
1551         (MTAG_GLOBAL): New macro.
1552         (union tree_node): Add memory tag member.
1553         * treestruct.def (TS_MEMORY_TAG): New.
1554         
1555 2005-12-05  Dale Johannesen  <dalej@apple.com>
1556
1557         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1558         what was approved (PR 24323).
1559
1560 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1561
1562         * doc/c-tree.texi (Function Bodies): Remove description of
1563         RETURN_INIT.
1564
1565 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1566
1567         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1568         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1569         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1570         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1571         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1572         __divxc3): Document.
1573
1574 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1575
1576         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1577         previous behaviour.
1578         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1579         hook_bool_void_false.
1580         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1581         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1582
1583         * config/darwin.c (machopic_select_section): It's not defined
1584         as weak if it's only marked as weak_import.
1585         
1586         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1587         Prototype.
1588
1589         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1590         A hidden weak object does bind locally.  Strong linkonce data
1591         counts like any other strong symbol for binding.
1592         (weak_finish_1): Don't specially handle weakrefs, they no longer
1593         arrive here.
1594         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1595         * c-common.c (handle_alias_attribute): Allow static aliases
1596         of variables.
1597         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1598         * gthr-dce.h: Make weakrefs static.
1599         * gthr-tpf.h: Likewise.
1600         * gthr-solaris.h: Likewise.
1601         * gthr-posix.h: Likewise.
1602         * gthr-posix95.h: Likewise.
1603         * config/darwin.c (darwin_encode_section_info): static weakref
1604         variables are not necessarily defined in this translation unit.
1605         * doc/extend.texi (Function Attributes): Mention that an alias
1606         attribute creates a definition for the thing it's attached to.
1607         Change the documentation for weakref to say that the thing
1608         it's attached to must be static.
1609
1610         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1611         we don't go into an infinite loop.
1612
1613 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1614
1615         * config/rs6000/predicates.md (logical_const_operand): Split
1616         out of logical_operand.
1617         (logical_operand): Use it.
1618         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1619         logical_const_operand.
1620
1621 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1622
1623         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1624         and IX86_BUILTIN_CMPNESS.
1625         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1626         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1627         * config/i386/i386.md (movti_internal): Correct type attribute.
1628         Simplify mode attribute.
1629         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1630         Correct type attribute.
1631         (absxf2): Correct operator.
1632         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1633         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1634         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1635         mode attribute.
1636         (sse2_vmsqrtv2df2): Correct mode attribute.
1637
1638 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1639
1640         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1641         16 bits. Provide insn pattern for this case.
1642
1643 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1644
1645         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1646         result.
1647         (__popcountDI2): Likewise.
1648
1649 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1650
1651         PR target/25166
1652         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1653         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1654         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1655         functions.
1656
1657 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1658
1659         * c-typeck.c (null_pointer_constant_p): New function.
1660         (build_conditional_expr, build_c_cast, convert_for_assignment,
1661         build_binary_op): Use it.
1662
1663 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1664
1665         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1666         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1667         CONVERT_EXPR.
1668         (check_function_arguments_recurse): Allow both NOP_EXPR and
1669         CONVERT_EXPR but check conversions preserve precision.
1670         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1671         but check conversions preserve precision.
1672         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1673         default case.
1674
1675 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1676
1677         PR c/7776
1678         * common.opt (Wstring-literal-comparison): New command line option.
1679         * c-opts.c (c_common_handle_option): Set it with -Wall.
1680         * c-typeck.c (parser_build_binary_op): Issue warning if either
1681         operand of a comparison operator is a string literal, except for
1682         testing equality or inequality against NULL.
1683
1684         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1685
1686 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1687
1688         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1689         of building a NOP_EXPR.
1690         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1691         NOP_EXPR.
1692         * c-convert.c (convert): Use fold_convert instead of building
1693         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1694         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1695         #if 0 code.
1696         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1697         NOP_EXPR the same as CONVERT_EXPR.
1698         * c-typeck.c (build_function_call): Use fold_convert instead of
1699         building a NOP_EXPR directly.
1700         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1701
1702 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1703
1704         PR rtl-optimization/25197
1705         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1706         have a reg.
1707
1708 2005-12-02  Stuart Hastings  <stuart@apple.com>
1709
1710         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1711         warning.
1712
1713 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1714
1715         * c-typeck.c (default_function_array_conversion,
1716         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1717         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1718         orig_op2.  Don't check them for NOP_EXPR.
1719         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1720         around integer zero.
1721
1722 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1723
1724         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1725         toc_save_offset, toc_size, lr_size.
1726         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1727         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1728         Adjust for removal of unused rs6000_stack_t fields.
1729         (debug_stack_info): Adjust.
1730         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1731         first, and don't bother checking for set/inc of lr on sibcalls.
1732         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1733
1734 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1735
1736         PR target/25199
1737         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1738         5 if operand 1 is not aligned.  Undo previous constraint change.
1739         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1740
1741 2005-12-02  Richard Guenther  <rguenther@suse.de>
1742
1743         * tree.h (build): Remove prototype.
1744         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1745         * tree.c (build): Remove.
1746         (build0_stat): Update comment.
1747
1748 2005-12-02  Richard Guenther  <rguenther@suse.de>
1749
1750         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1751         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1752         Likewise.
1753         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1754         maybe_fold_offset_to_component_ref): Likewise.
1755         * tree-ssa-dom.c (thread_across_edge,
1756         simplify_rhs_and_lookup_avail_expr,
1757         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1758         Likewise.
1759         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1760         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1761         lower_try_finally_switch): Likewise.
1762         * tree-if-conv.c (add_to_dst_predicate_list,
1763         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1764         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1765         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1766         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1767         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1768         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1769         gimplify_init_ctor_eval, gimplify_init_constructor,
1770         gimplify_variable_sized_compare, gimplify_boolean_expr,
1771         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1772         gimplify_expr, gimplify_body, gimplify_function_tree,
1773         force_gimple_operand): Likewise.
1774         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1775         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1776         mx_register_decls): Likewise.
1777         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1778         get_frame_field, finalize_nesting_tree_1): Likewise.
1779         * tree-inline.c (setup_one_parameter): Likewise.
1780         * tree-vect-transform.c (vectorizable_condition): Likewise.
1781         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1782         Likewise.
1783         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1784         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1785         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1786         * tree-chrec.h (build_polynomial_chrec): Likewise.
1787
1788 2005-12-02  Richard Guenther  <rguenther@suse.de>
1789
1790         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1791         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1792         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1793         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1794         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1795         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1796         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1797         Likewise.
1798         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1799         sh_adjust_unroll_max): Likewise.
1800         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1801         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1802         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1803         Likewise.
1804         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1805         Likewise.
1806         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1807         Likewise.
1808
1809 2005-12-02  Richard Guenther  <rguenther@suse.de>
1810
1811         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1812         simplify_cond_using_ranges): Use buildN instead of build.
1813         * tree-tailcall.c (adjust_accumulator_values,
1814         adjust_return_value): Likewise.
1815         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1816         generate_element_copy, generate_element_zero,
1817         generate_one_element_init): Likewise.
1818         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1819         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1820         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1821         perfect_nestify): Likewise.
1822
1823 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1824
1825         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1826
1827 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1828
1829         * ggc.h (GGC_RESIZEVEC): New.
1830
1831 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1832
1833         * gcc.c (execute): Improve readability.
1834
1835 2005-12-02  Richard Guenther  <rguenther@suse.de>
1836
1837         * tree-cfg.c (mark_used_vars): New function.
1838         (dump_function_to_file): Dump only used VAR_DECLs.
1839
1840 2005-12-02  Richard Guenther  <rguenther@suse.de>
1841
1842         * convert.c (convert_to_integer): Fix compare for nonpositive
1843         constant to use tree_int_cst_sgn <= 0.
1844
1845 2005-12-02  Richard Guenther  <rguenther@suse.de>
1846
1847         * convert.c (convert_to_integer): Use fold_convert instead
1848         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1849         instead of comparing against 0.  Use build_int_cst instead
1850         of converting integer_zero_node.
1851
1852 2005-12-02  Richard Guenther  <rguenther@suse.de>
1853
1854         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1855         and RROTATE_EXPR.
1856  
1857 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1858
1859         PR target/21017
1860         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1861         rotates.
1862
1863 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1864
1865         PR middle-end/25176
1866         * function.c (expand_function_end): Emit blockage for unwinder
1867         after return label.
1868
1869 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1870
1871         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1872         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1873         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1874         integer constant comparisons.
1875
1876 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1877             Janis Johnson  <janis187@us.ibm.com>
1878             David Edelsohn  <dje@watson.ibm.com>
1879             Ben Elliston  <bje@au.ibm.com>
1880
1881         * dfp.h, dfp.c: New files.
1882         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1883         (DECNUM_H): Likewise.
1884         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1885         (INCLUDES): Append $(DECNUMINC).
1886         (OBJS-common): Add dfp.o.
1887         (dfp.o): New rule.
1888         * real.h (EXP_BITS): Pinch one bit to ..
1889         (struct real_value): Add decimal field.
1890         (real_format): Change table size, update documentation.
1891         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1892         (real_from_string3): Declare.
1893         (decimal_single_format): Declare.
1894         (decimal_double_format): Declare.
1895         (decimal_quad_format): Declare.
1896         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1897         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1898         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1899         * real.c: Include dfp.h.
1900         (normalize): Early return for decimal floats.
1901         (do_add): Zero decimal field.
1902         (do_compare): Call do_decimal_compare for decimal floats.
1903         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1904         (real_arithmetic): Call decimal_real_arithmetic for decimal
1905         floating point operands.
1906         (real_identical): If a and b are of differing radix, return false.
1907         (real_to_integer): Call decimal_real_to_integer if the value is a
1908         decimal float.
1909         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1910         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1911         (real_to_hexadecimal): Place "N/A" in the return string for
1912         decimal float.
1913         (real_from_string3): New variant, given a mode.
1914         (real_maxval): Use decimal_real_maxval for decimal floats.
1915         (round_for_format): Use decimal_round_for_format for decimals.
1916         (real_convert): Use decimal_real_convert where appropriate.
1917         (significand_size): Handle base 10.
1918         (encode_decimal_single, decode_decimal_single,
1919         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1920         decode_decimal_quad): New functions.
1921         (decimal_single_format): New.
1922         (decimal_double_format): New.
1923         (decimal_quad_format): New.
1924         * machmode.def: Add SD, DD and TD decimal floating point modes.
1925         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1926         Include MODE_DECIMAL_FLOAT.
1927         (DECIMAL_FLOAT_MODE_P): New.
1928         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1929         * genmodes.c (struct mode_data): Add counter field.
1930         (struct mode_data): Update comment for format.
1931         (blank_mode): Initialise counter field.
1932         (new_mode): Increment counter field for each mode defined.
1933         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1934         using a format.
1935         (make_complex_modes): Handle modes containing `D'.
1936         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1937         (make_decimal_float_mode): New.
1938         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1939         (cmp_modes): Compare counter field if other characteristics
1940         similar.
1941         (emit_real_format_for_mode): Support formats for decimal floats.
1942         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1943         Document MODE_DECIMAL_FLOAT.
1944
1945 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1946
1947         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1948         Delete dead code.
1949
1950 2005-12-01  Richard Henderson  <rth@redhat.com>
1951
1952         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1953
1954 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1955
1956         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1957
1958         * config/pa/pa.c (pa_init_builtins): If we detect
1959         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1960         putc_unlocked.
1961
1962 2005-12-01  Richard Guenther  <rguenther@suse.de>
1963
1964         * fold-const.c (fold_binary): Use fold_build2, not
1965         fold (build (...)).
1966
1967 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1968
1969         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1970
1971         * vec.h (VEC_block_remove): New.
1972
1973 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1974
1975         PR c/13384
1976         * c-common.c (lvalue_error): Fix wording.
1977
1978 2005-12-01  Richard Guenther  <rguenther@suse.de>
1979
1980         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1981         thinko in last patch.
1982
1983 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1984
1985         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1986         than -flat_namespace.
1987
1988 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1989
1990         * mklibgcc.in: Parameterise the script to build soft float
1991         functions by iterating over each type, rather than cloning the
1992         code for each type.
1993
1994 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1995
1996         PR middle-end/25158
1997         * builtins.c (fold_builtin_fputs): Defer check for missing
1998         replacement functions.
1999
2000 2005-11-30  Kean Johnston  <jkj@sco.com>
2001
2002         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2003         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2004
2005 2005-11-30  Richard Guenther  <rguenther@suse.de>
2006
2007         PR tree-optimization/22501
2008         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2009         function split out from ...
2010         (forward_propagate_addr_expr): ... here.  Use it to propagate
2011         ADDR_EXPRs to all uses.
2012
2013 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2014
2015         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2016         * builtins.c (expand_builtin_mathfn): Use them.
2017         (expand_builtin_mathfn_2): Likewise.
2018         (expand_builtin_mathfn_3): Likewise.
2019         (expand_builtin_int_roundingfn): Likewise.
2020         (expand_builtin): Likewise.
2021         (integer_valued_real_p): Likewise.
2022         (fold_builtin_int_roundingfn): Likewise.
2023         (fold_builtin_bitop): Likewise.
2024         (fold_builtin_logarithm): Likewise.
2025         (fold_builtin_1): Likewise.
2026         * convert.c (convert_to_integer): Likewise.
2027         * fold-const.c (negate_mathfn_p): Likewise.
2028         (tree_expr_nonnegative_p): Likewise.
2029
2030 2005-11-30  Dale Johannesen  <dalej@apple.com>
2031             Andrew Pinski  <pinskia@physics.uc.edu>
2032
2033         * combine.c (find_split_point):  Sign extend bitmask
2034         when changing bitfield assignment to IOR of AND.
2035
2036 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2037
2038         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2039         clobber to scratch reg.
2040         (*decrement_and_branch_until_zero_no_clobber): Remove.
2041         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2042         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2043         * config/ms1/ms1.opt (mmul): Remove.
2044         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2045         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2046
2047 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2048             Bernd Schmidt  <bernd.schmidt@analog.com>
2049
2050         * pa/predicates.md (symbolic_operand): Add comment.
2051         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2052         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2053         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2054         (pa_secondary_reload_class): Delete.
2055         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2056         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2057         copy of symbolic operand.
2058         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2059
2060 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2061
2062         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2063         jump.
2064
2065 2005-11-30  Jeff Law  <law@redhat.com>
2066
2067         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2068         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2069
2070 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2071
2072         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2073         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2074         (ia64_expand_move): Adjust caller.
2075
2076         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2077         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2078         negate VAL.
2079
2080 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2081
2082         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2083         Always produce an output if we can remove NEGs or canonicalize
2084         (minus (minus ...)) expressions.  Provide a fast path for the
2085         two-operand case.
2086         (simplify_gen_binary): Do not call simplify_plus_minus.
2087         (simplify_binary_operation_1): Reassociate at the end of the
2088         function.
2089
2090 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2091
2092         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2093         moves and unpack to speed up.
2094
2095 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2096
2097         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2098         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2099         (gen_v9_scc): Update callers.
2100         * config/sparc/sparc.md: Likewise.
2101         * config/sparc/sparc-protos.h: Update extern declaration.
2102
2103         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2104
2105 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2106
2107         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2108         the if.
2109
2110 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2111
2112         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2113         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2114         (negate_expr): Here.
2115
2116 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2117
2118         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2119         Fix typo in comment.
2120
2121 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2122
2123         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2124         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2125
2126 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2127
2128         PR middle-end/20109
2129         PR middle-end/25120
2130         * builtins.c (init_target_chars): New.
2131         (expand_builtin_printf, expand_builtin_fprintf,
2132         expand_builtin_sprintf, fold_builtin_sprintf,
2133         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2134         fold_builtin_snprintf_chk, fold_builtin_printf,
2135         fold_builtin_fprintf): Check for matching format strings using
2136         the target charset.
2137
2138 2005-11-29  Paul Brook  <paul@codesourcery.com>
2139
2140         * config.gcc: Do not use fixproto on m68k-elf.
2141
2142 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2143
2144         * expmed.c (div_cost): Replace with...
2145         (sdiv_cost, udiv_cost): New.
2146         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2147         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2148         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2149         (expand_divmod): Replace use of div_cost with either sdiv_cost
2150         or udiv_cost depending upon the signedness of the operation.
2151
2152 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2153
2154         PR libfortran/24991
2155         * config/darwin.c (machopic_indirection_name,
2156         machopic_output_indirection): Follow transparent alias chain.
2157
2158 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2159
2160         * varasm.c (ultimate_transparent_alias_target): Add comment.
2161
2162 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2163
2164         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2165         SET_SRC instead of XEXP where appropriate.
2166
2167 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2168
2169         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2170         __builtin_expect.
2171
2172 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2173
2174         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2175         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2176         bit at a time.
2177
2178 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2179
2180         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2181         secondary_input_reload_class, made static.  Adapt to new
2182         infrastructure.
2183         (secondary_output_reload_class): Delete.
2184         (TARGET_SECONDARY_RELOAD): New macro.
2185         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2186         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2187
2188 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2189
2190         PR c++/21166
2191         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2192         when its natural alignment is > BITS_PER_UNIT.
2193         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2194         * c-common.c (handle_packed_attribute): Ignore packing on a field
2195         whose type is naturally char aligned.
2196
2197 2005-11-28  Richard Guenther  <rguenther@suse.de>
2198
2199         * c-common.c (strict_aliasing_warning): Handle all
2200         component-ref like accesses.
2201
2202 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2203             Uros Bizjak  <uros@kss-loka.si>
2204
2205         PR middle-end/20219
2206         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2207         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2208         when flag_unsafe_math_optimizations is set and
2209         we don't care about NaNs or Infinities.
2210
2211         Move x/expN(y) and x/pow(y,z) transformation into common
2212         flag_unsafe_math_optimizations section.
2213
2214 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2215
2216         * gcc.c (main): Change type of argv to "char **".
2217
2218 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2219
2220         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2221         small data sections.
2222         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2223         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2224         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2225         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2226         output locals to sbss if !rs6000_elf_in_small_data_p.
2227         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2228
2229 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2230
2231         PR target/24997
2232         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2233         generated by reload.
2234         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2235         indexed_or_indirect_address.
2236         (indexed_or_indirect_address): Don't test for base reg.  Call
2237         address_operand last.  Make it a special predicate.
2238
2239 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2240
2241         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2242
2243 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2244
2245         PR middle-end/24575
2246         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2247         is undefined.
2248         (negate_expr): Likewise.
2249
2250 2005-11-27  Andreas Schwab  <schwab@suse.de>
2251
2252         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2253         redundant parens.
2254
2255 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2256
2257         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2258         has EH predecessor edges.
2259
2260 2005-11-26  Eric Christopher  <echristo@apple.com>
2261
2262         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2263         register stalls by zero extending to the full register.
2264
2265 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2266
2267         * config/floatunsisf.c, config/floatunsidf.c,
2268         config/floatunsixf.c, config/floatunsitf.c: New files.
2269         * config/ia64/t-hpux: Add floatunsitf.c.
2270         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2271         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2272
2273 2005-11-26  Richard Henderson  <rth@redhat.com>
2274
2275         * c-lex.c (pragma_lex): Rename from c_lex.
2276         * c-pch.c: Update for pragma_lex rename.
2277         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2278         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2279         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2280         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2281         * doc/tm.texi: Likewise.
2282
2283 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2284
2285         PR middle-end/23669
2286         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2287         when overflow is undefined.
2288
2289 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2290
2291         * doc/md.texi (Insn Canonicalizations): Refer to the
2292         function commutative_operand_precedence for further rules.
2293
2294 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2295
2296         PR middle-end/21309
2297         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2298         is less than zero.  Limit mult_cost to a reasonable upper bound for
2299         the synthetic multiplication sequence.
2300
2301 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2302
2303         PR middle-end/25022
2304         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2305         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2306         Lookup the explicit replacement functions for any unlocked
2307         stdio builtin transformations.
2308
2309 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2310
2311         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2312         earlyclobber.
2313         * targhooks.c (default_secondary_reload): Don't require operand 2
2314         for an input reload to be earlyclobber.
2315
2316 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2317
2318         * fold-const.c (negate_mathfn_p): Fix comment and add support
2319         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2320         BUILT_IN_ATANH.
2321
2322 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2323
2324         PR middle-end/24998
2325         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2326         _Q_ulltoq for unsigned conversions from SImode and DImode to
2327         TFmode.
2328
2329 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2330
2331         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2332         (__floatundidf, __floatundisf): Likewise.
2333
2334 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2335
2336         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2337         (rs6000_override_options): Remove initialization of
2338         rs6000_sr_alias_set.
2339         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2340         (rs6000_emit_stack_tie): Same.
2341         (emit_frame_save): Same.
2342         (gen_frame_mem_offset): Same.
2343         (rs6000_emit_prologue): Same.
2344         (rs6000_emit_epilogue): Same.
2345
2346 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2347
2348         PR middle-end/24989
2349         * fold-const.c (fold_build): Convert bool_var != 1 and
2350         bool_var == 0 to !bool_var.
2351
2352 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2353
2354         PR middle-end/24990
2355         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2356         for C being INTEGER_CST.  Likewise for !=.
2357
2358 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2359
2360         PR middle-end/24998
2361         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2362         unsigned conversions from SImode to TFmode.
2363
2364 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2365
2366         * expr.c (expand_expr_real_1): Fix error in last change.
2367
2368 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2369
2370         * caller-save.c: (this_insn_sets): Move into:
2371         (save_call_clobbered_regs).
2372         (mark_set_regs): Get this_insn_sets from data.
2373
2374         (save_call_clobbered_regs): Take sets of the return value by
2375         sibcalls into account.
2376
2377 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2378         PR target/21623:
2379
2380         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2381         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2382         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2383         (memory_move_secondary_cost, init_reg_autoinc): Remove
2384         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2385         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2386         secondary_reload_class call.
2387         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2388         callers.
2389         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2390         (push_secondary_reload): Use secondary_reload target hook.
2391         (secondary_reload_class, scratch_reload_class): New functions.
2392         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2393         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2394         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2395         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2396         (secondary_reload_class, scratch_reload_class): Declare.
2397         * reload1.c: Include target.h.
2398         (reload_adjust_reg_for_temp): New function.
2399         (reload_adjust_reg_for_icode): Likewise.
2400         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2401         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2402         call.
2403         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2404         for inheritance.  Support case when both secondary & tertiary reloads
2405         are for intermediate registers.
2406         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2407         with secondary_reload_class call.  Support case when both secondary
2408         & tertiary reloads are for intermediate registers.
2409         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2410         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2411         * target.h (secondary_reload_info): New struct / typedef.
2412         (struct gcc_target): New member secondary_reload.
2413         * targhooks.c Include reload.h, optabs.h and recog.h.
2414         (default_secondary_reload): New function.
2415         * targhooks.h (default_secondary_reload): Declare.
2416         * doc/tm.texi: Document secondary_reload target hook.  Update
2417         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2418         * doc/md.texi: Likewise.
2419
2420         * sh-protos.h (sh_secondary_reload): Declare.
2421         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2422         (sh_secondary_reload): New function.
2423         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2424         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2425         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2426         (HAVE_SECONDARY_RELOADS): Define.
2427         * sh.md (reload_indf): Rename to:
2428         (reload_indf__frn).
2429         (reload_outdf): Rename to:
2430         (reload_outdf__RnFRm).
2431         (reload_insf): Rename to:
2432         (reload_insf__frn).
2433         (reload_insi): Rename to:
2434         (reload_insi__i_fpul).
2435
2436 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2437
2438         * configure.ac: Require at least texinfo 4.4.
2439         * configure: Regenerate.
2440
2441         * doc/install.texi (Tools/packages necessary for building GCC):
2442         Update required version of texinfo to at least 4.4.
2443         (Installing GCC: Building): Update required version of texinfo
2444         to at least 4.4.
2445         (Installing GCC: Final installation): Update required version
2446         of texi2dvi to at least 4.4.
2447         (Host/target specific installation notes for GCC): Update required
2448         version of texinfo to at least 4.4.
2449
2450 2005-11-24  Richard Guenther  <rguenther@suse.de>
2451         Dirk Mueller <dmueller@suse.de>
2452
2453         PR c++/14024
2454         * c-common.h (strict_aliasing_warning): Declare.
2455         * c-common.c (strict_aliasing_warning): New function,
2456         split out from ...
2457         * c-typeck.c (build_c_cast): ... here.
2458
2459 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2460
2461         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2462         to order operands.
2463         (swap_commutative_operands_with_target): New.
2464
2465 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2466
2467         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2468         also when doing PRE, rather than only for global CPROP.
2469
2470 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2471
2472         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2473         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2474         formatting.
2475         (expand_twoval_unop): Likewise.
2476         (widen_clz): Likewise.
2477         (expand_parity): Likewise.
2478         (expand_unop): Likewise.
2479         (emit_cmp_and_jmp_insn_1): Likewise.
2480         (prepare_float_lib_cmp): Likewise.
2481
2482 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2483
2484         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2485         Remove unused `class' variable.
2486
2487 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2488
2489         PR c++/21667
2490         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2491         C/C++ diagnostic function warn_array_subscript_with_type_char.
2492         * c-common.h (warn_array_subscript_with_type_char): Declare.
2493         * c-common.c (warn_array_subscript_with_type_char): Define.
2494
2495 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2496
2497         PR c/21668
2498         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2499         compiling at the intersection of C and C++.
2500
2501 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2502
2503         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2504         List @file in the option summary.  Include the libiberty
2505         documentation for @file.
2506         * gcc.c (main): Call expandargv.
2507         * Makefile.in (gcc-vers.texi): Define srcdir.
2508
2509 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2510
2511         * passes.c (init_optimization_passes): Document
2512         sequencing of passes.
2513
2514 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2515
2516         * config/m68k/predicates.md (pcrel_address, extend_operator,
2517         post_inc_operand, pre_dec_operand): Remove redundant
2518         conditionals.
2519         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2520         instead of abort.
2521         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2522
2523 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2524
2525         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2526
2527 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2528
2529         Preparatory work for PR target/21623:
2530         * alpha.c (secondary_reload_class): Rename to:
2531         (alpha_secondary_reload_class).
2532         * alpha.h, alpha-protos.h: Likewise.
2533         * mn10300.c (secondary_reload_class): Rename to:
2534         (mn10300_secondary_reload_class).
2535         * mn10300.h, mn10300-protos.h: Likewise.
2536         * pa.c (secondary_reload_class): Rename to:
2537         (pa_secondary_reload_class).
2538         * pa.h, pa-protos.h: Likewise.
2539         * rs6000.c (secondary_reload_class): Rename to:
2540         rs6000_secondary_reload_class.
2541         * rs6000.h, rs6000-protos.h: Likewise.
2542
2543 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2544
2545         PR middle-end/22561
2546         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2547
2548 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2549
2550         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2551         a mode_class.
2552         (prepare_cmp_insn): Likewise.
2553
2554 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2555
2556         PR target/23435
2557         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2558         if both operands[0] and operands[1] are memory.
2559
2560 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2561
2562         PR middle-end/23606
2563         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2564         COMPARISON_CLASS_P and an integral types create create a new
2565         expression with the new type and fold that.
2566
2567 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2568
2569         PR target/24988
2570         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2571         to SUBTARGET_OS_CPP_BUILTINS.
2572
2573 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2574
2575         * arm.c (emit_set_insn): New function.
2576         (arm_split_constant): Call it.
2577         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2578         (arm_legitimize_address): Likewise.  Use plus_constant.
2579         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2580         (thumb_expand_prologue): Likewise.
2581         (arm_gen_load_multiple): Use VOIDmode in SET.
2582         (arm_gen_store_multiple): Likewise.
2583         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2584         (emit_multi_reg_push): Likewise.
2585         (emit_sfm): Use plus_constant.
2586
2587 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2588
2589         PR target/24954
2590         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2591         typo last change.
2592
2593 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2594
2595         PR middle-end/24950
2596         * expmed.c (store_bit_field): Don't attempt to insv a field
2597         larger than the reg.
2598
2599 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2600
2601         PR target/24954
2602         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2603         explicit sign extension, not a (char) cast.
2604
2605 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2606
2607         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2608         GET_MODE_CLASS (x) == MODE_FLOAT.
2609         * config/i386/i386.c: Likewise.
2610         * config/rs6000/xcoff.h: Likewise.
2611         * config/rs6000/linux64.h: Likewise.
2612         * config/rs6000/rs6000.c: Likewise.
2613         * config/rs6000/rs6000.h: Likewise.
2614         * config/rs6000/predicates.md: Likewise.
2615         * config/rs6000/sysv4.h: Likewise.
2616
2617 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2618
2619         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2620         flag_pic is set.
2621
2622         * config/alpha/freebsd.h, config/alpha/linux.h,
2623         config/arm/linux-elf.h, config/bfin/bfin.h,
2624         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2625         config/i386/beos-elf.h, config/i386/gnu.h,
2626         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2627         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2628         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2629         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2630         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2631         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2632         config/sparc/linux.h, config/sparc/linux64.h,
2633         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2634
2635         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2636         are both defined when either flag -fpic or -fPIC are used.
2637
2638 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2639
2640         * config/fp-bit.c (clzusi): New function.
2641         (si_to_float, usi_to_float): Use it to compute proper shift.
2642         (usi_to_float): Preserve guard bits when shifting right.
2643         * libgcc-std.ver (GCC_4.2.0): New version.
2644         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2645         __floatundisf): New functions.
2646         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2647         __floatundisf): Declare.
2648         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2649         _floatundixf, and _floatunditf.
2650         * optabs.c (expand_float): If target does not define a pattern for
2651         signed or unsigned conversion, use an unsigned libcall instead of
2652         a signed one.
2653         (init_optabs): Initialize ufloat_optab.
2654
2655 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2656
2657         * config/rs6000/rs6000.opt (mmulhw): New option.
2658         * doc/invoke.texi (-mmulhw): Document.
2659         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2660         for 405 and 440.
2661         * config/rs6000/rs6000.md: Add half-word multiply and
2662         multiply-accumulate instructions for 405 and 440.
2663
2664 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2665
2666         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2667         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2668         default now includes a linker group which makes the RTEMS one nest.
2669
2670 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2671
2672         * cse.c (fold_rtx): Typo fix.
2673         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2674
2675 2005-11-21  Richard Henderson  <rth@redhat.com>
2676
2677         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2678         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2679
2680         * c-tree.h (lookup_name): Move declaration ...
2681         * c-common.h (lookup_name): ... here.
2682         * config/darwin-c.c: Include c-common.h.
2683         * config/t-darwin: Update dependencies.
2684
2685 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2686
2687         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2688         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2689         * genopinit.c (gen_insn): Likewise.
2690         * reload.c (find_equiv_reg): Likewise.
2691         * loop.c (load_mems): Likewise.
2692         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2693         * cse.c (find_comparison_args, fold_rtx): Likewise.
2694         * dwarf2out.c (add_const_value_attribute): Likewise.
2695         * expr.c (convert_move): Likewise.
2696         * recog.c (general_operand, register_operand): Likewise.
2697         * reg-stack.c (replace_reg): Likewise.
2698         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2699         * c-common.c (handle_vector_size_attribute): Likewise.
2700         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2701         (simplify_binary_operation_1): Likewise.
2702         (simplify_const_binary_operation): Likewise.
2703         (simplify_relational_operation): Likewise.
2704         (simplify_const_relational_operation): Likewise.
2705         (simplify_immed_subreg): Likewise.
2706         * emit-rtl.c (gen_lowpart_common): Likewise.
2707         * expmed.c (expand_mult): Likewise.
2708         * stor-layout.c (layout_type): Likewise.
2709
2710 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2711
2712         PR target/24951
2713         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2714         cst2 only for SPE vectors.
2715
2716 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2717
2718         PR target/24953
2719         * config/rs6000/predicates.md (vrsave_operation): Check
2720         UNSPEC_VOLATILE value.
2721
2722 2005-11-21  Jan Hubicka  <jh@suse.cz>
2723
2724         PR tree-optimization/24653
2725         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2726
2727 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2728
2729         * config/i386/predicates.md (ax_reg_operand): New predicate.
2730         (memory_displacement_only_operand): New predicate.
2731         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2732         operand is AX register and the other operand is memory operand
2733         with displacement only.
2734
2735 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2736
2737         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2738         if we don't care about NaNs or Infinities.
2739
2740 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2741
2742         PR rtl-optimization/24883
2743         * combine.c (combinable_i3pat): When checking whether the
2744         destination of i3 is used in i3, consider paradoxical subregs.
2745
2746 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2747
2748         PR middle-end/20583
2749         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2750
2751 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2752
2753         * combine.c (try_combine): Do not run subst on i1src and i2src in
2754         the case of generating a PARALLEL for a comparison.
2755
2756 2005-11-20  Richard Henderson  <rth@redhat.com>
2757
2758         PR 24931
2759         * tree-sra.c (struct sra_elt): Add all_no_warning.
2760         (struct sra_walk_fns) <use>: Add use_all argument.
2761         (sra_walk_expr): Pass it.
2762         (sra_walk_modify_expr): Likewise.
2763         (scalarize_ldst): Likewise.
2764         (scan_use): Update for new argument.
2765         (mark_no_warning): New.
2766         (scalarize_use): Use it.
2767
2768 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2769
2770         * expr.c (expand_expr_real): Use usmul_optab for widening
2771         signed * unsigned multiplies.
2772         * genopinit.c (optabs): Add usmul_widen_optab.
2773         * optabs.c (init_optabs): Likewise.
2774         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2775         (usmul_widen_optab): Define.
2776         * config/bfin/bfin.md (usmulhisi3): New pattern.
2777
2778         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2779
2780 2005-11-20  Graham Stott <btinternet.com>
2781
2782         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2783
2784 2005-11-20  Andreas Schwab  <schwab@suse.de>
2785
2786         PR target/24757
2787         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2788         insn.
2789
2790 2005-11-19  Richard Henderson  <rth@redhat.com>
2791
2792         PR tree-opt/24665
2793         * tree-gimple.c (is_gimple_id): Export.
2794         * tree-gimple.h (is_gimple_id): Declare.
2795         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2796         (get_default_value): Use it.
2797         (maybe_fold_stmt_indirect): Likewise.
2798
2799 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2800
2801         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2802         than VR1 or vice-versa.
2803
2804 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2805
2806         PR middle-end/24912
2807         PR middle-end/24750
2808         * reload.c (find_reloads_address_1): Mention dependency on
2809         gen_reload.
2810         * reload1.c (gen_reload): For IN with an unary operation, try
2811         moving inner expression to OUT if trivial SET is not valid.
2812         Confirm that the result is valid.  Move common code block into...
2813         (emit_insn_if_valid_for_reload): New function.
2814
2815 2005-11-19  Richard Guenther  <rguenther@suse.de>
2816
2817         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2818         ARRAY_REFs of constant strings.
2819
2820 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2821
2822         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2823         fatal format string.
2824
2825 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2826
2827         * combine.c (make_compound_operation): Swap operands of
2828         commutative operation if necessary before returning.
2829
2830 2005-11-19  Richard Guenther  <rguenther@suse.de>
2831
2832         PR middle-end/23294
2833         * fold-const.c (fold_plusminus_mult_expr): New function.
2834         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2835         cases, remove now unnecessary code.
2836
2837 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2838
2839         * gensupport.c (old_preds): Rename to std_preds, add special field.
2840         (struct old_pred_table): Rename to struct std_pred_table, add special
2841         field.
2842         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2843         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2844         (init_predicate_table): Adjust, and set along the way whether a
2845         predicate is special.
2846
2847 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2848
2849         * BASE-VER: Change to 4.2.0.
2850
2851 2005-11-18  James E Wilson  <wilson@specifix.com>
2852
2853         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2854         returning it.
2855
2856 2005-11-18  Mike Stump  <mrs@apple.com>
2857
2858         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2859         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2860         * c-decl.c (lookup_name_two) Remove.
2861         * c-tree.h (lookup_name_two): Remove.
2862         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2863         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2864         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2865         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2866
2867 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2868
2869         PR target/24914
2870         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2871         when not generating code to use that co-processor.
2872
2873 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2874
2875         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2876         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2877         these functions are now in tree-phinodes.c.
2878
2879 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2880
2881         * config/bfin/bfin.md (trap): New pattern.
2882
2883 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2884
2885         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2886         on types.
2887
2888         * expr.c (expand_expr_real): Don't call record_block_change unless
2889         ib_boundaries_block is non-null
2890
2891         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2892
2893         * fold-const.c (build_range_check): Use proper type for subtraction
2894         when merging lower bound.
2895
2896 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2897
2898         PR rtl-optimization/24497
2899         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2900         the copied insn.
2901
2902 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2903
2904         * tree-scalar-evolution.c (expression_expensive_p): New function.
2905         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2906
2907 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2908
2909         * config/bfin/crtlibid.s: New file.
2910
2911 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2912
2913         PR target/24348
2914         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2915         when not using sjlj exceptions.
2916         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2917         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2918         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2919         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2920         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2921         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2922         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2923         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2924         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2925         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2926         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2927         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2928         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2929         defines.
2930         * config/pa/hpux-unwind.h: New file.
2931
2932 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2933
2934         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2935         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2936         * varasm.c (do_assemble_alias): Adjust call.
2937         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2938         is defined.
2939         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2940
2941 2005-11-17  James E Wilson  <wilson@specifix.com>
2942
2943         * tree.def (FUNCTION_DECL): Correct typo in comment.
2944
2945 2005-11-17  Richard Henderson  <rth@redhat.com>
2946
2947         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2948         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2949         and DW_CFA_def_cfa_sf.
2950         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2951         (dbx_reg_number): Don't assert particular registers here.
2952         (based_loc_descr): ... do it here instead.  Fold in ...
2953         (eliminate_reg_to_offset): ... this function.
2954         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2955         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2956         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2957         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2958         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2959         (instantiate_virtual_regs): Likewise.
2960         * var-tracking.c (adjust_stack_reference): Likewise.
2961         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2962
2963 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2964
2965         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2966         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2967         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2968         crtlibid.o.
2969         ($(T)crtlibid.o): New rule.
2970
2971 2005-11-16  Richard Guenther  <rguenther@suse.de>
2972
2973         PR middle-end/24851
2974         * fold-const.c (extract_array_ref): Return byte offset
2975         in all cases.
2976         (fold_binary): Fold &x[a] CMP &x[b] to
2977         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2978         behavior.
2979
2980 2005-11-16  Richard Henderson  <rth@redhat.com>
2981
2982         PR middle-end/23497
2983         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2984         parts of an SSA_NAME.
2985
2986 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2987
2988         PR target/24861
2989         * arm.md (split for movsf with immediate): Restrict split to insns
2990         that set a general register.
2991
2992 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2993
2994         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2995         uw_update_context.
2996         * unwind-dw2.c (uw_advance_context): Likewise.
2997         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2998         _Unwind_SjLj_Unregister.
2999         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3000
3001 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3002
3003         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3004
3005 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3006
3007         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3008         langhook to get a DImode integer type.
3009
3010 2005-11-16  Richard Henderson  <rth@redhat.com>
3011             J"orn Rennecke <joern.rennecke@st.com>
3012             Ulrich Weigand  <uweigand@de.ibm.com>
3013
3014         PR rtl-opt/24160
3015         PR target/24621
3016         * reload1.c (reg_equiv_invariant): New.
3017         (reload): Allocate, initialize, and free it.
3018         (calculate_needs_all_insns): Check it when skipping equivalence
3019         setting insns.
3020         (alter_reg): Likewise.
3021         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3022         may_use_invariant argument; only use reg_equiv_invariant when true.
3023         (eliminate_regs): New.
3024         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3025         a context for which may_use_invariant may be true.
3026
3027 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3028
3029         * fold-const.c (const_binop): Don't constant fold the operation
3030         if the result has overflowed and flag_trapping_math.
3031         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3032
3033 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3034
3035         * config/arm/unwind-arm.c (abort): Add prototype here.
3036         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3037         (struct phase1_vrs): Add prev_sp.
3038         (unwind_phase2_forced): Save the original core registers instead of
3039         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3040         and set action flags accordingly.  Always set _US_END_OF_STACK when
3041         get_eit_entry fails.  Unwind before calling the stop function.
3042         (_Unwind_GetCFA): New function.
3043         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3044         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3045         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3046         just call unwind_phase2_forced.
3047         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3048         * config/arm/unwind-arm.h (abort): Remove prototype.
3049         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3050         prototypes.
3051         (_Unwind_GetCFA): New prototype.
3052         * config/arm/pr-support.c (abort): Add prototype here.
3053         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3054         forced unwinding.
3055         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3056         not schedule the prologue with non-call exceptions and EABI.
3057
3058 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3059
3060         * config/arm/unwind-arm.h: Reorder interface function declarations.
3061         (_URC_END_OF_STACK): New enumeration value.
3062         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3063         (struct _Unwind_Control_Block): Document reserved field use.
3064         (_Unwind_Stop_Fn): New typedef.
3065         (_Unwind_ForcedUnwind): Declare.
3066         (_Unwind_Resume_or_Rethrow): Declare.
3067         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3068         argument.  Adjust.
3069         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3070         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3071         (UCB_FORCED_STOP_ARG): New.
3072         (search_EIT_table): Update boundary condition checks.
3073         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3074         (unwind_phase2): Replace for with do..while.
3075         (unwind_phase2_forced): New.
3076         (__gnu_Unwind_RaiseException): Replace for with do..while.
3077         (__gnu_Unwind_ForcedUnwind): New.
3078         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3079         Use appropriate phase2 unwinder.
3080         (__gnu_Unwind_Resume_or_Rethrow): New.
3081         (__gnu_unwind_pr_common): Cope with forced unwinding.
3082
3083 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3084
3085         PR target/24772
3086         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3087
3088         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3089         roundsf2): Remove "s" from mnemonic.
3090
3091 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3092
3093         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3094         __PIC__ is defined.
3095         * config/bfin/crtn.s: Change epilogues to match.
3096         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3097         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3098         __PIC__ and __pic__.
3099
3100 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3101
3102         PR 24357
3103         * doc/invoke.texi: Distinguish between free and fixed form instead of
3104         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3105         languages.
3106         * gcc.c (default_compilers): Remove double entries, add entries for
3107         suffixes '.F90' and '.F95'.
3108
3109 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3110
3111         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3112         in the stack probing loop.
3113
3114 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3115
3116         * configure.ac: Use .machine power5 not power5x.
3117         * configure: Regenerate.
3118
3119 2005-11-15  Mike Stump  <mrs@apple.com>
3120
3121         * c-decl.c (lookup_name_two): Add.
3122         * c-tree.h (lookup_name_two): Likewise.
3123         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3124         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3125
3126 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3127
3128         PR rtl-optimization/23392
3129         * regrename.c (enum scan_actions) Add mark_access.
3130         (scan_actions_name): Ditto.
3131         (scan_rtx_reg): Handle mark_access.
3132         (scan_rtx_address): Do nothing for mark_access.
3133         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3134         and regs in REG_INC notes before closing chains for dead regs.
3135         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3136         opening chains for new writes.
3137
3138 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3139
3140         * c.opt (ffixed-line-length-none): New.
3141
3142 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3143
3144         * mklibgcc.in: Change contents of eh_dummy.c.
3145
3146 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3147
3148         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3149
3150 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3151
3152         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3153         of making syscalls.
3154         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3155
3156 2005-11-15  Jan Hubicka  <jh@suse.cz>
3157
3158         * invoke.texi (large-unit-insns): Document.
3159         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3160         * params.def (large-unit-insns): New param.
3161
3162 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3163
3164         PR target/24869
3165         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3166         special register for operand 3.  Reindent constraints to align
3167         them vertically.
3168
3169 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3170
3171         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3172         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3173         * configure.ac: Add test for FP rounding instructions.
3174         * configure: Regenerate.
3175         * config.in: Regenerate.
3176         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3177         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3178         features enabled.
3179         * config/rs6000/rs6000.opt (mfprnd): New.
3180         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3181         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3182         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3183         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3184         (TARGET_FPRND): New.
3185         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3186         UNSPEC_FRIZ): New.
3187         (btrunc<mode>2): New.
3188         (ceil<mode>2): New.
3189         (floor<mode>2): New.
3190         (round<mode>2): New.
3191
3192 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3193
3194         * gcc.c (version_compare_spec_function): Use fatal() rather than
3195         abort().
3196
3197         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3198         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3199         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3200         as empty.
3201         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3202         link in crt2.o.
3203
3204         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3205         on -mmacosx-version-min setting.
3206
3207 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3208
3209         PR 24840
3210         * tree-vrp.c (infer_value_range): Return false if STMT is a
3211         block terminator and its basic block has no successors.
3212
3213 2005-11-14  Mike Stump  <mrs@apple.com>
3214
3215         * config/i386/i386.c (override_options): -masm=intel isn't
3216         supported on darwin.
3217         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3218
3219 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3220
3221         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3222         vfork after including auto-host.h.
3223
3224 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3225
3226         PR rtl-optimization/22002
3227         * combine.c (distribute_notes): Detect cases where a reg dies
3228         two or more times in a bb, including on the insn we are combining,
3229         and place the death note on the correct range.
3230
3231 2005-11-14  Dale Johannesen  <dalej@apple.com>
3232
3233         * expmed.c (store_bit_field):  Add offset unconditionally for
3234         memory targets.
3235         (extract_bit_field):  Don't force extzv or extv operand into
3236         a register if field is too big.
3237
3238 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3239
3240         * config/arm/arm.c (pic_labelno): New.
3241         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3242         LABEL_REF.  Pass only the labelno to PIC insns.
3243         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3244         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3245         * arm.md (UNSPEC_PIC_LABEL): New constant.
3246         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3247         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3248         Use the correct label prefix.
3249
3250 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3251
3252         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3253         REQ_EQUIV note.
3254
3255 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3256
3257         * loop-invariant.c: Include tm_p.h.
3258         * Makefile.in: Updated.
3259
3260 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3261
3262         * pa.c (store_reg): Revise generation of frame notes in large frames.
3263         (set_reg_plus_d): Likewise.
3264
3265 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3266
3267         PR tree-optimization/24709
3268         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3269         loop check.
3270
3271 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3272
3273         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3274         and duplicate declaration of pthread_self.
3275
3276 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3277             Ian Lance Taylor  <ian@airs.com>
3278
3279         PR middle-end/24003
3280         * calls.c (expand_call): If TARGET is a MEM and some part of the
3281         argument area has been saved, force TARGET to a register.
3282
3283 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3284
3285         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3286         checking.
3287
3288 2005-11-13  Jason Merrill  <jason@redhat.com>
3289
3290         PR c++/22489
3291         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3292         lazily declared methods.
3293         (force_decl_die): Stop if forcing out the context already make a
3294         DIE for the decl.
3295         (force_type_die): Likewise.
3296
3297 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3298
3299         PR middle-end/24820
3300         * builtins.c (integer_valued_real_p): Add break in
3301         REAL_CST having TREE_OVERFLOW set.
3302
3303 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3304
3305         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3306         addressing modes during calculation of costs.
3307
3308 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3309
3310         * function.c (assign_stack_local_1): Restrict sanity check
3311         on frame size overflow to 32-bit and above platforms.
3312
3313 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3314
3315         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3316         * config/cris/cris.c: Include reload.h.
3317         (cris_initial_elimination_offset): New function.
3318         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3319         Prototype.
3320
3321 2005-11-12  Richard Guenther  <rguenther@suse.de>
3322
3323         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3324
3325 2005-11-12  Jan Hubicka  <jh@suse.cz>
3326
3327         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3328         to compare against 0 when possible.
3329
3330 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3331
3332         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3333         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3334         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3335         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3336         in the new order.
3337
3338 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3339
3340         * recog.c (constrain_operands) <case 'g'>: For a match, require
3341         that a non-register matches general_operand when strict >= 0.
3342
3343 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3344
3345         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3346         previous checkin.
3347
3348 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3349
3350         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3351         (memory_address_same): New.
3352         (dse_optimize_stmt): Call memory_address_same.
3353
3354 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3355
3356         PR middle-end/24750
3357         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3358         ZERO_EXTEND>: New cases.
3359
3360 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3361
3362         * longlong.h (__clz_tab): Always provide.
3363
3364 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3365
3366         PR 24265
3367         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3368         can be assigned to.
3369         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3370         before check_maybe_invariant.
3371         (move_invariant_reg): Use gen_move_insn instead of replacing
3372         SET_DEST with the temporary for the invariant.
3373         (move_loop_invariants): If checking is enabled, do internal
3374         consistency checks after completing the pass.
3375
3376 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3377
3378         PR 24644
3379         * common.opt (Wvolatile-register-var): New.
3380         * varasm.c (make_decl_rtl): Only emit warning when option
3381         specified.  Clarify warning message.
3382         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3383
3384         * doc/md.texi (copysign): Document standard named pattern.
3385
3386 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3387
3388         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3389         bytes when align is 2.
3390         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3391         by the first instruction of the loop.
3392
3393 2005-11-11  Jason Merrill  <jason@redhat.com>
3394
3395         PR c++/24686
3396         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3397         the cleanup list.
3398
3399 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3400
3401         PR rtl-optimization/22509
3402         * local-alloc.c (memref_used_between_p): Check whether a function call
3403         could not reference the memref.
3404
3405 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3406
3407         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3408         algorithm so as to choose the best, not the worst, alternative.
3409         Reset accumulated register class before processing next alternative.
3410
3411 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3412
3413         PR target/24445
3414         * calls.c (expand_call): Copy a return value to a plain register
3415         if needed.
3416
3417 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3418
3419         PR target/24778
3420         * varasm.c (assemble_name): Recompute name only for transparent
3421         aliases.
3422
3423 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3424
3425         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3426
3427 2005-11-04  Jeff Law  <law@redhat.com>
3428
3429         PR middle-end/23181
3430         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3431         perform reassociation if the parent statement will not die as
3432         a result of the optimization.
3433
3434 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3435
3436         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3437         delete_old_heap_vars.
3438         * tree-dfa.c (referenced_var_remove): Remove function.
3439         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3440         (delete_tree_ssa): Remove call to delete_old_heapvars.
3441         Add call to delete_alias_heapvars.
3442         * tree-flow.h (referenced_var_remove): Remove prototype
3443         (init_alias_heapvars): New prototype.
3444         (delete_alias_heapvars): Ditto.
3445         * Makefile.in (tree-ssa-structalias.o): Add
3446         gt-tree-ssa-structalias.o
3447         (GTFILES): Add tree-ssa-structalias.h and
3448         tree-ssa-structalias.c.
3449         (s-gtype): Add gt-tree-ssa-structalias.h.
3450         * tree-ssa-structalias.c (heapvars): Remove.
3451         (oldheapvars): Remove.
3452         (heapvar_for_stmt): New variable.
3453         (heapvar_lookup): New function.
3454         (heapvar_insert): Ditto.
3455         (get_constraint_for): See if we have an old heapvar
3456         to reuse.
3457         (init_alias_heapvars): New function.
3458         (delete_alias_heapvars): Ditto.
3459         Add include of gt-tree-ssa-structalias.h.
3460
3461 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3462
3463         PR middle-end/22127
3464         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3465
3466 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3467
3468         * tree.c (int_fits_type_p): Only look at the base type
3469         if it has the same precision as the original type.
3470
3471 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3472
3473         PR other/4372
3474         * varasm.c (assemble_alias): Use %q+D in the error
3475         message instead of %J and %qD.
3476
3477 2005-11-10  Richard Guenther  <rguenther@suse.de>
3478
3479         * gcse.c (free_ldst_entry): Only free hashtable if
3480         it exists.
3481
3482 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3483
3484         * function.c (assign_stack_local_1): Issue an error message if
3485         the frame size overflows in the signed target arithmetics.
3486
3487 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3488
3489         * tree.c (build_qualified_type): Chain the new type to the original
3490         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3491         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3492         (build_pointer_type_for_mode): Only return unqualified types.
3493         (build_reference_type_for_mode): Likewise.
3494
3495 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3496
3497         * Makefile.in (gnucompare): Do comparison of all files using one of
3498         the chosen methods and only afterwards decide if just warning should
3499         be issued or comparison failure raised.
3500
3501 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3502
3503         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3504         (noce_try_abs): Negate if the comparison is reversed.
3505         Look only one instruction backwards for a REG_EQUAL note.
3506
3507 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3508
3509         PR other/4372
3510         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3511         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3512         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3513         and prefix all uses with __ghtrw.
3514
3515 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3516
3517         PR other/4372
3518         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3519         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3520         * c-common.c (handle_weakref_attribute): New.
3521         (c_common_attribute_table): Add weakref.
3522         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3523         in the assembler.
3524         * configure, config.in: Rebuilt.
3525         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3526         * doc/extend.texi: Document weakref attribute.
3527         * varasm.c (ultimate_transparent_alias_target): New
3528         (assemble_name): Use it.
3529         (weak_finish_1): Split out of...
3530         (weak_finish): ... and deal with weakrefs in...
3531         (weakref_targets): ... new list.
3532         (globalize_decl): Clean up weakref_targets.
3533         (do_assemble_alias): Handle weakrefs.
3534         (finish_aliases_1): Do not reject weakrefs to external symbols.
3535         (assemble_alias): Handle weakrefs.
3536
3537 2005-11-09  Richard Guenther  <rguenther@suse.de>
3538
3539         PR tree-optimization/24716
3540         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3541         t_bool to track results from follow_ssa_edge.
3542
3543 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3544
3545         * final.c (force_source_line): New global variable.
3546         (final_scan_insn): Set it to true instead of clearing last_filename.
3547         (notice_source_line): Return true if force_source_line is true,
3548         unless source info is absent.
3549
3550 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3551
3552         PR c/24644
3553         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3554         a linkage name for a variable if it a register variable.
3555         * c-decl.c (grokdeclarator): Global register variables
3556         should be set as PUBLIC.
3557
3558 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3559
3560         PR 24624
3561         * config/s390/s390.c (struct s390_frame_layout): New fields
3562         first_save_gpr_slot and last_save_gpr_slot.
3563         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3564         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3565         first_save_gpr and last_save_gpr with the _slot variants.
3566         (s390_register_info): Calculate first_save_gpr_slot and
3567         last_save_gpr_slot using regs_ever_live.
3568
3569 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3570
3571         PR 24623
3572         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3573         for a function containing a landing pad.
3574
3575 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3576
3577         PR 24034
3578         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3579         is live afterwards.
3580
3581 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3582
3583         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3584         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3585
3586 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3587
3588         Add ms2 support
3589         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3590         constants.
3591         (call,load,store): New insn types.
3592         (mem_access, branch_access): Adjust reservation conditions.
3593         (define_delay): Adjust condition.
3594         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3595         type.
3596         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3597         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3598         insn type.
3599         (call_internal, call_value_internal, return_internal,
3600         return_interrupt_internal, eh_return_internal, indirect_jump,
3601         tablejump): Set call insn type.
3602         (blockage, ei, di): Use appropriate unspec const.
3603         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3604         (ms1_get_attr_type): Adjust to give load & store types.
3605         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3606         backwards past a barrier.
3607         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3608         branch scheduling.
3609         (struct branch_info, struct label_info): New.
3610         (ms1_labels): New.
3611         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3612         (ms1_machine_reorg): New.
3613         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3614         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3615         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3616         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3617         (TARGET_MS2): New.
3618
3619 2005-11-09  Per Bothner  <per@bothner.com>
3620             Uros Bizjak  <uros@kss-loka.si>
3621
3622         PR c/24101
3623         * toplev.c (process_options): Initialize debug_hooks early
3624         in case lang_hooks.post_options ends up calling a debug_hook.
3625
3626 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3627
3628         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3629         DBX_REGISTER_NUMBER being contiguous.
3630
3631 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3632             Diego Novillo  <dnovillo@redhat.com>
3633
3634         PR 23046
3635         * tree-vrp.c (register_edge_assert_for): Do not register
3636         always-false predicates.
3637
3638 2005-11-08  Devang Patel <dpatel@apple.com>
3639
3640         PR tree-optimization/23115
3641         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3642         relation.
3643
3644 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3645
3646         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3647         -mcpu=440.
3648
3649 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3650
3651         Fix PR tree-optimization/23382
3652
3653         * tree-ssa-alias.c (compute_may_aliases): Call
3654         delete_old_heap_vars.
3655         * tree-dfa.c (referenced_var_remove): New function.
3656         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3657         * tree-flow.h (referenced_var_remove): Add prototype.
3658         (delete_old_heap_vars): Ditto.
3659         * tree-ssa-structalias.c (heapvars): New variable.
3660         (oldheapvars): Ditto.
3661         (get_constraint_for): Put heap vars on heapvars list.
3662         (delete_old_heap_vars): New function.
3663
3664 2005-11-08  Jason Merrill  <jason@redhat.com>
3665
3666         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3667
3668 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3669
3670         PR target/19340
3671         * reg-stack.c (reg_to_stack): Update register liveness also
3672         for flag_sched2_use_traces.
3673
3674 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3675
3676         PR target/23704
3677         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3678         override prior explicit -mno-powerpc-gfxopt.
3679
3680 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3681
3682         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3683         if the bitsize is zero.
3684         * doc/md.texi (Standard Pattern Names): Document it.
3685
3686         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3687         (TARGET_PASS_BY_REFERENCE): Likewise.
3688
3689 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3690
3691         PR rtl-optimization/24683
3692         * config/i386/i386.c (legitimize_pic_address): If constant operand
3693         to PLUS is too large, put it in a register.
3694
3695 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3696
3697         * configure.ac: Enable checking assembler dwarf2 support for bfin
3698         target.
3699         * configure: Regenerate.
3700
3701 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3702
3703         PR target/24230
3704
3705         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3706         gen_easy_vector_constant_add_self): Delete.
3707         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3708         New.
3709         (output_vec_const_move): Use gen_easy_altivec_constant.
3710         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3711         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3712         (easy_vector_constant_add_self): Rewritten.
3713         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3714         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3715         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3716         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3717         Macroize and adjust for the other changes.
3718
3719 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3720
3721         PR c/24599
3722
3723         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3724         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3725
3726 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3727
3728         PR rtl-optimization/23567
3729         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3730         (noce_process_if_block): Don't do any optimizations except
3731         if (cond) x = x; if !set_b and write into orig_x may trap
3732         or fault.  Remove the MEM_READONLY_P check.
3733
3734 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3735
3736         PR 24670
3737         * tree-vrp.c (fix_equivalence_set): New.
3738         (extract_range_from_assert): Call it.
3739
3740 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3741
3742         PR target/22432
3743         * combine.c (apply_distributive_law): Don't distribute across a
3744         vector mode subreg.
3745
3746 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3747
3748         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3749         config/ms1/ms1.h, config/rs6000/predicates.md,
3750         config/s390/s390.c, params.def, postreload-gcse.c,
3751         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3752         tree-vrp.c, tree.c: Fix comment typos.
3753         * doc/invoke.texi: Fix typos.
3754
3755 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3756
3757         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3758         for testing whether the data_dependence_relation contains distance
3759         vectors.  Iterate over all distance vectors of the ddr.
3760         * lambda.h: Define a vec of lambda_vector pointers.
3761         * tree-data-ref.c (dump_data_dependence_relation,
3762         dump_data_dependence_direction): Iterate over all distance and
3763         direction vectors of the ddr.
3764         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3765         DDR_DIST_VECTS.
3766         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3767         of distance/direction vectors instead of a single one.
3768         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3769         lambda_vectors with a vec of lambda_vectors.
3770         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3771         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3772         DDR_NUM_DIST_VECTS): New.
3773         * tree-loop-linear.c (gather_interchange_stats): Test for the
3774         existence of distance vectors only after having checked that there
3775         is a dependence.  Iterate over all distance vectors of the ddr.
3776         (linear_transform_loops): Use dump_data_dependence_relation.
3777         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3778         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3779         distance vectors of the ddr.
3780
3781 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3782
3783         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3784         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3785         IS_INTHANDLER; all callers changed.
3786         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3787         account.
3788         (do_link, do_unlink): New argument ALL; all callers changed.
3789         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3790         If function isn't leaf, save and restore all registers.
3791         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3792         exception handler.
3793
3794 2005-11-05  Jan Hubicka  <jh@suse.cz>
3795
3796         PR rtl-optimization/23490
3797         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3798         max-flow-memory-location): Document.
3799         * flow.c: Include params.h
3800         (MAX_MEM_SET_LIST_LEN): Kill.
3801         (add_to_mem_set_list): Use new param.
3802         * cse.c (cse_basic_block): Replace 1000 by new param.
3803         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3804         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3805         * predict.c (predict_loops): Use new param.
3806         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3807
3808         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3809         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3810         Do not hold memory returned by cgraph_node_name across other call.
3811
3812 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3813
3814         PR target/23424
3815         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3816         Disable.
3817
3818 2005-11-04  Jeff Law  <law@redhat.com>
3819
3820         PR/21883
3821         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3822         * tree-ssa-dom.c: Include params.h.
3823         (thread_across_edge): If there are too many statements in the
3824         target block, then do not thread through it.
3825         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3826         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3827
3828 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3829
3830         PR 24627
3831         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3832         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3833
3834 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3835
3836         PR/18595
3837         * tree-scalar-evolution.c (instantiate_parameters_1,
3838         instantiate_parameters, resolve_mixers): Compute the size of an
3839         expression to be instantiated and give up the instantiation if the
3840         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3841
3842 2005-11-04  Richard Guenther  <rguenther@suse.de>
3843
3844         * tree-flow.h (ref_contains_indirect_ref): Rename to
3845         array_ref_contains_indirect_ref.
3846         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3847         (array_ref_contains_indirect_ref): Make comment match the code
3848         and vice-versa.
3849         (ref_contains_array_ref): Likewise.
3850         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3851         ref_contains_indirect_ref.
3852         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3853         Rename calls to ref_contains_indirect_ref.
3854
3855 2005-11-04 Paul Brook  <paul@codesourcery.com>
3856
3857         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3858         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3859         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3860         * config/arm/arm.md: Use match_operand in peephole input templates
3861         and match_dup in peephole output templates.
3862
3863 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3864
3865         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3866         __aeabi_uidiv.
3867
3868 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3869             Daniel Jacobowitz  <dan@codesourcery.com>
3870
3871         * longlong.h (add_ssaaaa): Clobber condition code register
3872         in ARM version.
3873         (sub_ddmmss): Likewise.
3874         (umul_ppmm): Likewise.
3875
3876 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3877             Paul Brook  <paul@codesourcery.com>
3878             Phil Blundell  <pb@reciva.com>
3879
3880         * configure.ac: Add test for ARM TLS support.
3881         * configure: Regenerated.
3882         * config/arm/arm-protos.h (legitimize_tls_address)
3883         (arm_tls_referenced_p, tls_mentioned_p)
3884         (arm_output_addr_const_extra): New prototypes.
3885         (thumb_legitimize_pic_address): Delete.
3886         * config/arm/arm.c: Include "gt-arm.h".
3887         (enum tls_reloc): New.
3888         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3889         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3890         (arm_call_tls_get_addr, legitimize_tls_address)
3891         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3892         (arm_init_tls_builtins, arm_emit_tls_decoration)
3893         (arm_output_addr_const_extra): New functions.
3894         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3895         (TARGET_HAVE_TLS): Define.
3896         (target_thread_pointer): New.
3897         (arm_override_options): Handle -mtp=.
3898         (legitimize_pic_address): Ignore UNSPECs.
3899         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3900         relative symbols.
3901         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3902         (tls_get_addr_libfunc): New variable.
3903         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3904         (arm_init_builtins): Call arm_init_tls_builtins.
3905         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3906         (arm_encode_section_info): Call default_encode_section_info.
3907         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3908         (enum arm_tp_type): New.
3909         (target_thread_pointer): Add declaration.
3910         (LEGITIMATE_CONSTANT_P): Handle TLS.
3911         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3912         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3913         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3914         * config/arm/arm.md: Add UNSPEC_TLS.
3915         (movsi): Handle TLS.
3916         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3917         non-PIC.
3918         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3919         (load_tp_hard, load_tp_soft): New insns.
3920         * arm.opt: Add -mtp=.
3921         * doc/invoke.texi (ARM Options): Document -mtp.
3922
3923 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3924
3925         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3926         * config/arm/libunwind.S: Include "lib1funcs.asm".
3927         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3928         (LIB2ADDEH): Add libunwind.S.
3929         (LIB2ADDEHDEP): Add lib1funcs.asm.
3930         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3931
3932 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3933
3934         PR fortran/18452
3935         * gcc/c.opt: Add a -lang-fortran option.
3936         * gcc/c-opts.c: Add a lang_fortran flag.
3937         (c_common_init_options): Handling the -lang-fortran option.
3938         (c_common_handle_option): Add a case for Fortran options in
3939         preprocessing. Remove cases for -ffixed-form and
3940         -ffixed-line-length. Add a case for -lang-fortran.
3941
3942 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3943
3944         * config/rs6000/rs6000.c: Include params.h
3945         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3946         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3947         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3948         (UNSPEC_VPKUWSS): Delete.
3949         (altivec_vpkuhss): Delete.
3950         (altivec_vpkuwss): Delete.
3951         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3952         final condition.
3953         (neg_eq0<mode>): Remove final condition.
3954         (neg_eq<mode>): Remove condition and split-condition.
3955
3956 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3957
3958         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3959         Use associated print macros.
3960
3961 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3962
3963         PR c++/17964
3964         * diagnostic.c (diagnostic_set_info_translated): New function.
3965         (diagnostic_set_info): Use it.  Add comment.
3966         * diagnostic.h (diagnostic_set_info_translated): Declare.
3967
3968 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3969
3970         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3971         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3972         reference only if 'public' is true.
3973         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3974         emit the .hidden directive only if the indirect reference is public.
3975         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3976         Pass it to dw2_force_const_mem.
3977         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3978         * dwarf2out.c (output_cfi): Adjust calls to above function.
3979         (output_call_frame_info): Likewise.
3980         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3981         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3982
3983 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3984
3985         PR tree-optimization/24483
3986         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3987         field to elts if possible.
3988
3989 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3990
3991         PR middle-end/23155
3992         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3993         CONSTRUCTOR.
3994
3995 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3996
3997         Fix PR tree-optimization/24351
3998
3999         * tree-ssa-structalias.c (struct variable_info): Add
4000         collapsed_into.
4001         (get_varinfo_fc): New function to follow collapsing.
4002         (new_var_info): Set collapsed_to to NULL.
4003         (dump_constraint): Follow collapsing.
4004         (build_constraint_graph): Handle collapsing.
4005         (do_simple_structure_copy): Return false if something bad
4006         happened.
4007         (collapse_rest_of_var): New function.
4008         (do_structure_copy): Collapse if do_simple_structure_copy returns
4009         false.
4010
4011 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4012
4013         PR middle-end/24589
4014         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4015         expressions to a statement list instead of gimplifying them.
4016
4017 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4018
4019         PR rtl-optimization/23585
4020         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4021         that can't trap plus a constant integer, if the mode has zero size.
4022
4023 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4024
4025         PR target/24620
4026         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4027         as operand 2.
4028         ("*insv<mode>_reg_extimm"): Likewise.
4029
4030 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4031
4032         PR c/24329
4033         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4034         c_common_type_for_mode returns an unnamed type.
4035
4036 2005-11-02  Richard Henderson  <rth@redhat.com>
4037
4038         PR target/9350
4039         PR target/24374
4040         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4041         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4042         * function.c (assign_parms): Use calls.internal_arg_pointer.
4043         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4044         code.
4045         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4046         (TARGET_CALLS): Add it.
4047         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4048         * targhooks.c (default_internal_arg_pointer): New.
4049         * targhooks.h (default_internal_arg_pointer): Declare.
4050         * tree.h (dwarf2out_reg_save_reg): Declare.
4051         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4052         * config/i386/i386.c (dbx_register_map): Add return column.
4053         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4054         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4055         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4056         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4057         (ix86_save_reg): Save force_align_arg_pointer.
4058         (ix86_emit_save_regs): Make regno unsigned.
4059         (ix86_emit_save_regs_using_mov): Likewise.
4060         (ix86_expand_prologue): Handle force_align_arg_pointer.
4061         (ix86_expand_epilogue): Likewise.
4062         * config/i386/i386.h: (dbx_register_map): Update.
4063         (dbx64_register_map, svr4_dbx_register_map): Update.
4064         (struct machine_function): Add force_align_arg_pointer.
4065         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4066         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4067         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4068
4069 2005-11-02  Jan Hubicka  <jh@suse.cz>
4070
4071         PR target/23303
4072         * i386.md: Add peep2 for simplyfing array accesses.
4073
4074 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4075
4076         PR target/24615
4077         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4078         * config/s390/s390.c (s390_decompose_shift_count): New function.
4079         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4080         (print_shift_count_operand): Use s390_decompose_shift_count.
4081         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4082         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4083
4084 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4085
4086         PR target/24600
4087         * loop.c (loop_givs_rescan): Use force_operand to expand
4088         complex GIVs.
4089
4090 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4091
4092         PR 22429
4093         * fold-const.c (build_range_check): Use unsigned when signed
4094         overflow is undefined also.  If etype is subtype, make sure that
4095         the subtraction is in the supertype.
4096
4097 2005-11-02  Richard Henderson  <rth@redhat.com>
4098
4099         PR target/24178
4100         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4101         by MEM_ALIGN.
4102
4103 2005-11-01  Richard Henderson  <rth@redhat.com>
4104
4105         PR 21518
4106         * loop.c (scan_loop): Do not propagate computations to a hard
4107         register destination with SMALL_REGISTER_CLASSES.
4108
4109 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4110
4111         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4112         costs for MULT inside PLUS or MINUS.
4113
4114 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4115
4116         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4117         (TRAMPOLINE_SIZE): Round up to 60.
4118         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4119
4120 2005-10-31  James E. Wilson  <wilson@specifix.com>
4121
4122         PR debug/24444
4123         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4124         ifdef.  Put ifdefs around call in gen_subprogram_die.
4125         (compute_frame_pointer_to_cfa_displacement): Likewise.
4126         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4127         not defined.
4128
4129         PR rtl-optimization/17356
4130         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4131         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4132
4133 2005-10-31  Jan Hubicka  <jh@suse.cz>
4134
4135         PR middle-end/24093
4136         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4137
4138         PR target/20928
4139         * i386.c (legitimize_pic_address): Deal with large immediates.
4140
4141         PR profile/20815
4142         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4143         from symbol names while computing checkup.
4144
4145         PR profile/24487
4146         * predict.c (predict_loops): Do not estimate more than
4147         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4148         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4149
4150 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4151
4152         PR tree-optimization/19097
4153         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4154
4155 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4156
4157         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4158
4159 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4160
4161         PR middle-end/23492
4162         * tree-inline.c (setup_one_parameter): If the init_stmt
4163         is NULL, don't insert the statement.
4164
4165 2005-10-30  Jan Hubicka  <jh@suse.cz>
4166
4167         PR tree-optimization/24172
4168         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4169
4170 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4171
4172         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4173         constants for hosts with long != 32 bits.
4174
4175 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4176
4177         PR middle-end/24093
4178         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4179
4180 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4181
4182         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4183         (TARGET_MS1_16_002): New.
4184         (TARGET_MS1_16_003): New.
4185
4186         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4187         ("*decrement_and_branch_until_zero_no_clobber"): New.
4188         Add corresponding splitter for decrement_and_branch_until_zero
4189         instruction.
4190         Key all decrement_and_branch_until_zero patterns off of
4191         TARGET_MS1_16_003.
4192
4193 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4194
4195         PR middle-end/24362
4196         * tree-complex.c (extract_component): Treat RESULT_DECL
4197         like the rest of the decls.
4198
4199 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4200
4201         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4202         indirect call to _mcount if the function needs a static chain.
4203
4204 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4205             Caroline Tice  <ctice@apple.com>
4206
4207         PR rtl-optimization/24460
4208         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4209         (dwarf2out_switch_text_section): Set it to true instead of
4210         incrementing separate_line_info_table_in_use.
4211         (output_loc_list): Additionally test have_switched_text_sections.
4212         (output_ranges): Likewise.
4213         (dwarf2out_finish): Likewise.
4214         * varasm.c (assemble_start_function): Do not call
4215         insert_section_boundary_note.
4216         (assemble_end_function): If flag_reorder_blocks_and_partition,
4217         switch to the function's section before emitting the .size directive.
4218         * bb-reorder.c (insert_section_boundary_note): Staticify.
4219         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4220         * output.h (insert_section_boundary_note): Delete.
4221
4222 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4223
4224         PR c/23103
4225         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4226         instead of pointer equality when comparing types.
4227
4228 2005-10-24  James E. Wilson  <wilson@specifix.com>
4229
4230         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4231         add_dependence_list_and_free calls.
4232
4233 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4234
4235         * contrib.texi: Add the names of the LLNL folks who donated
4236         Cray pointer support for gfortran.
4237
4238 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4239
4240         PR tree-optimization/24225
4241         * profile.c (branch_prob): Look from end to start through a
4242         basic block when looking for a locus.
4243
4244 2005-10-24  Richard Henderson  <rth@redhat.com>
4245
4246         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4247         parallel.
4248         (hppa_expand_prologue): Likewise.
4249
4250 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4251
4252         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4253         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4254         * pa.h (NO_PROFILE_COUNTERS): Define.
4255         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4256         (funcdef_nos): New vector to hold label numbers of deferred profile
4257         counters.
4258         (output_deferred_profile_counters): New function.
4259         (hppa_profile_hook): Push label number onto funcdef_nos.
4260         (pa_hpux_file_end): Call output_deferred_profile_counters if
4261         NO_DEFERRED_PROFILE_COUNTERS is false.
4262
4263         * pa-protos.h (get_deferred_plabel): New prototype.
4264         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4265         Make global.
4266         (output_call): Adjust calls.
4267
4268 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4269
4270         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4271         peculiarity of GOT/TOC section usage.
4272
4273 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4274
4275         PR objc/24435
4276          * c-common.c (constant_string_class_name): Add documentation.
4277
4278 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4279
4280         PR target/23832
4281         * recog.c (peephole2_optimize): Increment peep2_current_count
4282         only when the slot is empty.
4283
4284 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4285
4286         PR ada/23957
4287         * except.c (output_function_exception_table): Call
4288         assemble_external_libcall if we need a personality function.
4289
4290 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4291
4292         PR rtl-optimization/24460
4293         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4294         set the basic block for barriers.
4295
4296 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4297
4298         * var-tracking.c (vt_initialize): Initialize post.
4299
4300 2005-10-21  Devang Patel  <dpatel@apple.com>
4301
4302         PR/24220
4303         * c-common.c (vector_types_convertible_p): Check vector element type.
4304
4305 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4306
4307         * config/sh/sh.c (prepare_move_operands): Handle the address
4308         constant which is a tls symbolic address plus a constant.
4309
4310 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4311
4312         PR driver/24473
4313         * gcc.c (main): Use the correct counter for erroring out
4314         about mulitple files.
4315
4316 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4317
4318         PR target/24465
4319         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4320         use r2 for 64-bit tls .got access.
4321
4322 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4323
4324         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4325         TRUTH_OR_EXPR.
4326
4327 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4328
4329         PR tree-optimization/24307
4330         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4331
4332 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4333
4334         PR middle-end/24295
4335         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4336         alias targets.
4337         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4338         is ready, stop marking functions, but still mark variables.
4339
4340 2005-10-20  Richard Guenther  <rguenther@suse.de>
4341
4342         PR c++/24439
4343         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4344         void type operands.
4345
4346 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4347
4348         PR rtl-optimization/23585
4349         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4350         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4351         (may_trap_p_1): New predicate extracted from...
4352         (may_trap_p): ... here.  Invoke may_trap_p_1.
4353         (may_trap_or_fault_p): New predicate.
4354         * rtl.h (may_trap_or_fault_p): Declare it.
4355         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4356         instead of may_trap_p.
4357         (steal_delay_list_from_fallthrough): Likewise.
4358         (fill_simple_delay_slots): Likewise.
4359         (fill_slots_from_thread): Likewise.
4360         * function.c (pad_to_arg_alignment): Rework comment about
4361         SPARC_STACK_BOUNDARY_HACK.
4362         * config/sparc/sparc.h: Likewise.
4363
4364 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4365
4366         * config/s390/s390.c (s390_expand_insv): New.
4367         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4368         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4369         ("icm_hi"): Remove mode attribute.
4370         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4371         Adjust all uses.
4372         ("*extracthi", "*extractqi"): Remove.
4373         (extv<mode>", "*extzv<mode>"): New.
4374         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4375         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4376
4377 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4378
4379         * cfgexpand.c (discover_nonconstant_array_refs_r,
4380         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4381         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4382         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4383         discover_nonconstant_array_refs.
4384
4385 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4386
4387         PR c/23228
4388         * c-decl.c (pop_scope): Don't warn about an unused variable
4389         if it is marked with TREE_NO_WARNING.
4390         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4391         somenow mismatch and olddecl is to be replaced.
4392
4393 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4394
4395         PR middle-end/23199
4396         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4397         whether registers live on the edge can be saved/restored.
4398
4399 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4400
4401         * config/sh/sh.c (fixup_mova): Skip notes.
4402
4403 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4404
4405         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4406         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4407         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4408         (s390_initial_elimination_offset): Likewise.
4409         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4410         register on TARGET_ZARCH targets.
4411         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4412         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4413         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4414         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4415
4416 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4417
4418         * config/s390/s390.md: Comment describing output modifiers updated.
4419         * config/s390/s390.c (print_operand): Likewise.
4420
4421 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4422
4423         * config/s390/s390.c (override_options): Added check for -mstack-size
4424         64k limitation.
4425         * doc/invoke.texi: Mention that limit in the documenation.
4426
4427 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4428
4429         PR #19672
4430         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4431
4432 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4433
4434         Fix PR tree-optimization/24231
4435
4436         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4437         (compute_avail): Ditto.
4438
4439 2005-10-18  Richard Henderson  <rth@redhat.com>
4440
4441         PR target/24428
4442         * config/i386/i386.c (legitimate_constant_p): Check
4443         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4444         if LABEL_REF.
4445         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4446         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4447         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4448         directly.
4449         (print_operand_address): Likewise.
4450         * config/i386/predicates.md (x86_64_immediate_operand): Test
4451         SYMBOL_REF_TLS_MODEL properly inside CONST.
4452         (x86_64_zext_immediate_operand): Likewise.
4453         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4454         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4455         * config/i386/i386-protos.h: Remove predicates.md entries.
4456
4457 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4458
4459         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4460         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4461
4462 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4463             Ian Lance Taylor <ian@airs.com>
4464
4465         PR middle-end/23522
4466         * fold-const.c (fold_widened_comparison): Do not allow range based
4467         constant folding when right operand cannot be unwidened.
4468
4469 2005-10-17  Richard Henderson  <rth@redhat.com>
4470
4471         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4472         with a memory clobber.
4473
4474 2005-10-17  James E Wilson  <wilson@specifix.com>
4475
4476         PR rtl-optimization/17356
4477         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4478         checking for EDGE_EH.
4479
4480 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4481
4482         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4483         the slot on an even boundary for any type with 16-byte alignment.
4484
4485 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4486
4487         PR target/23424
4488         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4489         after register allocation.
4490
4491 2005-10-17  DJ Delorie  <dj@redhat.com>
4492
4493         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4494         as frame related.
4495
4496 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4497
4498         PR c++/22551
4499         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4500         overflow flags.
4501
4502 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4503
4504         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4505         to 2 if it's already non-zero.
4506         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4507         is set and warn about it if flag_schedule_insns is 1.
4508
4509 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4510
4511         * config/crx/crx.md: Compare-and-branch instructions need to
4512         invalidate CC.
4513
4514 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4515
4516         PR target/24315
4517         * config/i386/i386.md (*pushdi2_rex64 splitter)
4518         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4519         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4520         flow2 pass only when (optimize > 0 && flag_peephole2).
4521
4522 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4523
4524         PR driver/22544
4525         * gcc.c (have_c): New static variable.
4526         (have_o): Likewise.
4527         (process_command): Remove declation of have_c.
4528         Set have_o to 1 when handling -o.
4529         (main): Add a fatel error if there are multiple
4530         files specified and -o and -c/-S is passed witout
4531         -combine or multiple languages.
4532
4533 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4534
4535         Fix PR tree-optimization/22444
4536         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4537         Assert that we don't hit something with subvars.
4538         (setup_pointers_and_addressables): Don't add things with subvars,
4539         because we'll already process the subvars for aliasing purposes.
4540
4541 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4542
4543         PR target/23424
4544         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4545         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4546         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4547         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4548         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4549         swapped, alternatives for the R constraint.
4550
4551         PR middle-end/24341
4552         * builtins.c (get_builtin_sync_mode): Make unlimited
4553         mode_for_size request.
4554
4555 2005-10-15  Richard Henderson  <rth@redhat.com>
4556
4557         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4558         (gimplify_expr): ... here.
4559         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4560         fb_lvalue in base expression.
4561
4562 2005-10-15  Richard Henderson  <rth@redhat.com>
4563
4564         PR 23714
4565         * builtins.c (expand_builtin_trap): Export.
4566         * expr.h (expand_builtin_trap): Declare.
4567         * expr.c (expand_assignment): Emit a trap for integral offsets
4568         from registers that weren't reduced to bitpos.
4569
4570         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4571         (mark_array_ref_addressable): Remove.
4572         * tree-flow.h (mark_array_ref_addressable): Remove.
4573         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4574
4575 2005-10-15  James E Wilson  <wilson@specifix.com>
4576
4577         PR target/24232
4578         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4579         (add_dependence_list_and_free): Likewise.
4580         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4581         call.
4582
4583 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4584
4585         PR 23141
4586         PR 23142
4587         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4588         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4589         anti-range.
4590         (vrp_visit_phi_node): Only prevent infinite iterations when
4591         the previous result and the new result are both VR_RANGEs.
4592
4593 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4594
4595         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4596         function comment.
4597
4598 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4599
4600         PR c/23439
4601         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4602         to initialize loc.
4603
4604 2005-10-14  Per Bothner  <per@bothner.com>
4605
4606         PR preprocessor/21250
4607         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4608
4609 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4610
4611         PR c++/22551
4612         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4613         overflow flags.  Refactor some conditionals.
4614
4615 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4616
4617         PR tree-opt/21304
4618         * tree-dfa.c (add_referenced_var): Only look at decls which
4619         have TREE_CONSTANT or TREE_READONLY set instead of if
4620         !TREE_PUBLIC or !TREE_CONSTANT.
4621
4622 2005-10-13  James E Wilson  <wilson@specifix.com>
4623
4624         * doc/invoke.texi: For -x, add f95-cpp-input.
4625         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4626
4627 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4628
4629         PR tree-optimization/24262
4630         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4631         in loop all the time.
4632
4633 2005-10-12  Richard Henderson  <rth@redhat.com>
4634
4635         PR c/24255
4636         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4637         * function.c (assign_parm_find_data_types): Don't support it.
4638         * print-tree.c (print_node): Likewise.
4639         * c-common.c (handle_transparent_union_attribute): Likewise.
4640         Use build_duplicate_type.
4641         * tree-inline.c (remap_type_1): Split out of remap_type;
4642         properly remap aggregate fields.
4643         (build_duplicate_type): New.
4644         * doc/extend.texi (Variable Attributes): Remove documentation
4645         for transparent_union.
4646
4647 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4648
4649         PR target/24284
4650         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4651         (gen_stack_pointer_dec): Likewise.
4652
4653 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4654
4655         PR middle-end/21275
4656         PR middle-end/21766
4657         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4658         target hook.
4659         (struct cxx): Add adjust_class_at_definition target hook.
4660         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4661         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4662         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4663         hook_void_tree. Add to TARGET_CXX.
4664         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4665         dllimport_flag.
4666         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4667         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4668         instead of attribute. Check for dllexport override.  Warn if
4669         inconsistent dll linkage. Don't lose old dllimport if decl has
4670         had address referenced.   Tweak lookup of dllimport atribute.
4671         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4672         for target specific rules.  Don't add dllimport attribute if
4673         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4674         dllimport attribute.
4675         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4676         * varasm.c (initializer_constant_valid_p): Replace
4677         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4678
4679         PR target/21801
4680         PR target/23589
4681         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4682         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4683         (i[34567]86-*-mingw32*): Likewise.
4684
4685         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4686         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4687
4688         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4689         C++-specific code. Change return value to bool.
4690         (i386_pe_dllimport_p): Likewise.
4691         (associated_type): Simplify and make language-independent
4692         (i386_pe_encode_section_info): Replace override of ambiguous
4693         dllimport symbol refs with a gcc_assert.
4694         (i386_pe_valid_dllimport_attribute_p): Define.
4695         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4696         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4697         i386_pe_adjust_class_at_definition.
4698         * config/i386/winnt-stubs.c: New file. Define stub versions of
4699         lang-specific functions.
4700         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4701         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4702         i386_pe_adjust_class_at_definition.
4703         (i386_pe_valid_dllimport_attribute_p): Declare.
4704         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4705         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4706         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4707
4708         PR target/19704
4709         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4710         dllimport attribute with test of DECL_DLLIMPORT_P.
4711
4712 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4713
4714         * combine.c (make_extraction): Correct offset computation.
4715
4716 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4717
4718         * config/cris/t-linux (LIMITS_H_TEST): Define.
4719
4720 2005-10-12  Richard Henderson  <rth@redhat.com>
4721
4722         PR rtl-opt/23324
4723         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4724
4725 2005-10-12  Richard Guenther  <rguenther@suse.de>
4726
4727         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4728
4729 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4730
4731         PR c++/19964
4732         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4733         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4734         type.
4735
4736 2005-10-12  Richard Guenther  <rguenther@suse.de>
4737
4738         PR c++/23799
4739         * varasm.c (output_constant): Correct typo from previous
4740         patch by DJ.
4741
4742 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4743
4744         PR rtl-optimization/13931
4745         * combine.c: Revert patch of 2003-05-14, and:
4746         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4747         completely killed in the appropriate insn.
4748         (distribute_notes): Don't skip multiple hard register test for
4749         elim_i1 and elim_i2.
4750
4751 2005-10-11  Richard Henderson  <rth@redhat.com>
4752
4753         PR c/24255
4754         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4755         to initialize a transparent union instead of a nop_expr.
4756
4757 2005-10-11  Richard Henderson  <rth@redhat.com>
4758
4759         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4760         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4761         (tree_ssa_dce_loop): Call scev_reset.
4762
4763         PR tree-opt/24300
4764         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4765         * tree-ssa-dce.c: Include cfgloop.h.
4766         (tree_ssa_dce_loop, pass_dce_loop): New.
4767         * tree-pass.h (pass_dce_loop): Declare it.
4768         * passes.c (init_optimization_passes): Use it.
4769
4770 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4771
4772         PR middle-end/24263
4773         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4774         Only apply the optimization for rounding builtins if the inner
4775         cast is also an extension.
4776
4777 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4778
4779         PR tree-opt/23946
4780         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4781         mark_new_vars_to_rename instead of update_stmt.
4782
4783 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4784
4785         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4786
4787 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4788
4789         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4790         for setting MMX register to 0 rather than mmx.
4791
4792 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4793
4794         PR target/12098
4795         * configure.ac: Move gas check from mips specific case to common case.
4796         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4797         * configure: Regenerate
4798         * doc/install.texi: Update.
4799
4800 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4801
4802         PR target/24284
4803         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4804
4805 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4806
4807         * gcc.c (do_spec_1): Accept numeric characters in file name
4808         suffixes.
4809
4810 2005-10-10  Nick Clifton  <nickc@redhat.com>
4811
4812         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4813         describing the deleted arm_gen_rotated_half_load function.
4814
4815 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4816
4817         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4818         __fpscr_values.
4819
4820 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4821
4822         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4823         gnu_ld assignments.
4824         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4825         (EXTRA_MULTILIB_PARTS): Define.
4826         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4827         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4828         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4829         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4830         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4831         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4832
4833 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4834
4835         PR tree-optimization/24226
4836         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4837         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4838         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4839         Export.
4840
4841 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4842
4843         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4844
4845 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4846
4847         PR target/24136
4848         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4849         Rewrite for no need for the early clobber.
4850
4851 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4852
4853         Merge from csl-arm-branch:
4854         2005-09-07  Paul Brook  <paul@codesourcery.com>
4855         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4856         space to string.
4857
4858         2005-04-30  Paul Brook  <paul@codesourcery.com>
4859         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4860         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4861
4862         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4863         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4864         (arm_override_options): Use TARGET_AAPCS_BASED.
4865         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4866         (PTRDIFF_TYPE): Use int for AAPCS.
4867         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4868         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4869         (DEFAULT_SHORT_ENUMS): Delete.
4870         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4871
4872         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4873         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4874         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4875         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4876
4877         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4878         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4879
4880         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4881         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4882
4883         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4884         * config.gcc (arm*-*-linux-gnueabi): Add it.
4885         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4886         redefining it.
4887         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4888         * config/arm/linux-eabi.h: New file.
4889         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4890         (LINUX_TARET_LINK_SPEC): Likewise.
4891         (LINK_SPEC): Use it.
4892         * config/arm/t-linux-eabi: New file.
4893
4894 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4895
4896         PR other/22202
4897         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4898         spaces.
4899         (PARAM_SMS_DFA_HISTORY): Likewise.
4900
4901 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4902
4903         PR middle-end/23150
4904         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4905         (load_register_parameters): Call it.
4906         (check_sibcall_argument_overlap_1): Likewise.
4907         (store_one_arg): Likewise.
4908
4909 2005-10-07  James E. Wilson  <wilson@specifix.com>
4910
4911         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4912         DImode not VECINT24 for operand 2.
4913
4914         PR target/23644
4915         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4916         -mtune-arch.
4917
4918         PR target/24193
4919         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4920         fr_spill): Use destination_operand for operand 0.
4921
4922 2005-10-07  DJ Delorie  <dj@redhat.com>
4923
4924         * varasm.c (output_constant): Limit error to expanding
4925         conversions.
4926
4927 2005-10-07  Richard Guenther  <rguenther@suse.de>
4928
4929         PR middle-end/24227
4930         * fold-const.c (fold_binary): Fix operand types during folding
4931         of X op (A, Y).  Evaluation order of the side-effects of
4932         X and A are frontend-defined, so ensure we honour that even for
4933         tcc_comparison class operands; eased by removing duplicate code.
4934
4935 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4936
4937         * stor-layout.c (layout_type): Do not allow alignment of array
4938         elements to be greater than their size.
4939
4940 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4941
4942         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4943         host_xmake_file.
4944         (hppa*-*-linux*): Ditto.
4945         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4946         * config/host-hpux.c: New.
4947         * config/x-hpux: New.
4948         * config/pa/x-hpux: Remove.
4949         * config/pa/x-linux: Remove.
4950         * config/pa/pa-host.c: Remove.
4951
4952 2005-10-07  Jeff Law  <law@redhat.com>
4953
4954         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4955         determine whether or not to try and thread outgoing edges.
4956
4957 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4958
4959         * config/rs6000/rs6000.md (eqsi_power): New.
4960         (neg_eq0si): Add TARGET_POWER to final condition.
4961         (neg_eqsi): Same.
4962
4963 2005-10-06  Richard Henderson  <rth@redhat.com>
4964
4965         * config/rs6000/rs6000.c: Revert last change.
4966
4967 2005-10-06  Richard Henderson  <rth@redhat.com>
4968
4969         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4970         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4971
4972 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4973
4974         PR middle-end/22216
4975         PR middle-end/23651
4976         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4977         out return_label and naked_return_label.
4978
4979 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4980
4981         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4982         change.
4983
4984 2005-10-06  Richard Henderson  <rth@redhat.com>
4985
4986         PR tree-opt/22237
4987         * tree-inline.c (declare_return_variable): Handle modify_dest not
4988         being a DECL.
4989
4990 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4991
4992         Fix PR tree-optimization/22488
4993         * tree-ssa-structalias.c (check_for_overlaps): New function.
4994         (create_variable_info_for): Use it.
4995
4996 2005-10-06  Richard Henderson  <rth@redhat.com>
4997
4998         PR debug/24070
4999         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5000         (dwarf2out_start_source_file): Print it.
5001
5002 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5003
5004         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5005
5006 2005-10-06  Richard Henderson  <rth@redhat.com>
5007
5008         PR 23706
5009         * mode-switching.c (optimize_mode_switching): Clear transp bit
5010         for block with incomming abnormal edges.
5011
5012         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5013         (fpscr_set_from_mem): Use them.
5014         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5015         (fpscr postinc splitters): Rewrite as peephole2+split.
5016
5017 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5018
5019         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5020         (eq<mode>_compare): Same.
5021
5022 2005-10-06  Richard Guenther  <rguenther@suse.de>
5023
5024         PR tree-optimization/24238
5025         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5026
5027 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5028
5029         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5030         here.  Use AC_PATH_PROG for environment variables instead of
5031         test -x.
5032         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5033         objdump also.
5034         * configure: Regenerated.
5035
5036 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5037
5038         PR target/23783
5039         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5040         then force it into a register.
5041         (call_value): Likewise.
5042
5043 2005-10-06  Richard Henderson  <rth@redhat.com>
5044
5045         PR 24049
5046         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5047         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5048         under pass_vectorize.
5049
5050 2005-10-05  Devang Patel  <dpatel@apple.com>
5051
5052         PR Debug/23205
5053         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5054         handling constants. Check NAMESPACE_DECL context for constants.
5055
5056 2005-10-05  Eric Christopher  <echristo@apple.com>
5057
5058         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5059
5060 2005-10-05  Richard Henderson  <rth@redhat.com>
5061
5062         PR 23714
5063         * tree-cfg.c (mark_array_ref_addressable_1): New.
5064         (mark_array_ref_addressable): New.
5065         * tree-flow.h (mark_array_ref_addressable): Declare.
5066         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5067
5068 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5069
5070         PR middle-end/20606
5071         PR middle-end/24069
5072         * reload.c (subst_reloads): When adding a REG_LABEL to a
5073         jump instruction, also update JUMP_LABEL.
5074
5075 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5076
5077         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5078         * bb-reorder.c (copy_bb_p): Use it.
5079         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5080
5081 2005-10-05  Richard Henderson  <rth@redhat.com>
5082
5083         PR target/23602
5084         * toplev.c (process_options): Warn about unsupported combinations
5085         of unwind tables and omit-frame-pointer.
5086         * config/i386/i386.c (override_options): Similarly.  Enable
5087         accumulate-outgoing-args if not explicitly disabled.
5088
5089 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5090
5091         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5092         Handle big endian vs. small endian.
5093         (vec_initv2sf): Handle big endian vs. small endian.
5094         (*vec_extractv2sf_1): Ditto.
5095
5096 2005-10-05  Dale Johannesen  <dalej@apple.com>
5097
5098         * convert.c (convert_to_real):  Don't convert
5099         (float)floor(double d) to floorf((float)d).
5100
5101 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5102
5103         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5104
5105 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5106
5107         PR tree-optimization/18587
5108         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5109         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5110         build_vuses): Change to VEC type.
5111         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5112         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5113         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5114         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5115         (get_name_decl): New.  Return DECL_UID of base variable.
5116         (operand_build_cmp): New.  qsort comparison routine.
5117         (operand_build_sort_virtual): New.  Sort virtual build vector.
5118         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5119         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5120         (FINALIZE_BASE): Use get_name_decl.
5121         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5122         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5123         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5124         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5125         direct VEC_* manipulations.
5126         (build_ssa_operands): Call operand_build_sort_virtual.
5127         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5128         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5129         with direct VEC_* manipulations.
5130         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5131         with direct VEC manipulations.
5132
5133 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5134
5135         PR tree-optimization/21419
5136         PR tree-optimization/24146
5137         PR tree-optimization/24151
5138
5139         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5140         (build_asm_expr): Call it if outputs are read-only.
5141         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5142
5143 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5144             Paolo Bonzini  <bonzini@gnu.org>
5145
5146         PR target/23809
5147
5148         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5149         enable the instructions and not just the built-ins.
5150         * doc/invoke.texi (x86 Options): Likewise.
5151
5152 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5153
5154         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5155
5156         * doc/invoke.texi (Option Summary): Correct spelling
5157         of -mmacosx-version-min.
5158
5159 2005-10-04  Devang Patel  <dpatel@apple.com>
5160
5161         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5162         real types.
5163
5164 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5165
5166         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5167         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5168
5169 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5170
5171         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5172         ("TE","tg"): New mode attributes.
5173         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5174         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5175         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5176         dword_mode and one for GPRmode.
5177
5178 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5179
5180         PR preprocessor/13726
5181         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5182         any comments passed in.
5183
5184 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5185
5186         * tree.c (annotate_with_file_line): Fix typo.
5187
5188 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5189
5190         PR ada/19382
5191         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5192         type used to access data in the inlined length == 1 case, use
5193         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5194         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5195
5196 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5197
5198         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5199         TARGET_SSE3 and only for TARGET_80387.
5200         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5201         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5202         Do not depend on TARGET_80387.
5203
5204 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5205
5206         * tree.c (last_annotated_node): Change type to location_t*.
5207         (annotate_with_file_line): Reflect the change of
5208         last_annotated_node type.
5209
5210 2005-10-04  Richard Guenther  <rguenther@suse.de>
5211
5212         PR c/23576
5213         * c-decl.c (grokdeclarator): Don't write to fields
5214         of error_mark_node.
5215
5216 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5217
5218         PR middle-end/23125
5219         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5220         register variables.
5221         * varasm.c (make_decl_rtl): If a register variable does not
5222         have a set user assmbler name, error out.
5223         Decode the asmspec is now name+1 bypassing '*'.
5224
5225 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5226
5227         PR tree-optimization/23049
5228         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5229         of a COND_EXPR is folded before calling fold on the whole rhs of a
5230         conditional assignment.
5231         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5232         document that a COND_EXPR may appear there.
5233
5234 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5235
5236         PR 23445
5237         * tree-vrp.c (extract_range_from_assert): If the new numeric
5238         range created out of the assertion contradicts the existing
5239         numeric range of the ASSERT_EXPR variable, make the new range
5240         varying.
5241
5242 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5243
5244         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5245         from T_REGS to FP register class.
5246
5247 2005-10-03  Richard Henderson  <rth@redhat.com>
5248
5249         PR 24135
5250         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5251         before creating a new one.
5252
5253 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5254
5255         * config/rs6000/t-aix43 (LDFLAGS): New.
5256         * config/rs6000/t-aix52 (LDFLAGS): New.
5257
5258 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5259
5260         * gimplify.c (find_single_pointer_decl_1): New static function.
5261         (find_single_pointer_decl): New static function.
5262         (internal_get_tmp_var): For a formal variable, set restrict base
5263         information if appropriate.
5264         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5265         return it.
5266         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5267         (DECL_GET_RESTRICT_BASE): Define.
5268         (SET_DECL_RESTRICT_BASE): Define.
5269         (decl_restrict_base_lookup): Declare.
5270         (decl_restrict_base_insert): Declare.
5271         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5272         * tree.c (restrict_base_for_decl): New static variable.
5273         (init_ttree): Initialize restrict_base_for_decl.
5274         (copy_node_stat): Copy restrict base information.
5275         (decl_restrict_base_lookup): New function.
5276         (decl_restrict_base_insert): New function.
5277         (print_restrict_base_statistics): New static function.
5278         (dump_tree_statistics): Call print_restrict_base_statistics.
5279
5280 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5281
5282         PR 24142
5283         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5284         case of anti-ranges.
5285
5286 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5287
5288         PR c/18851
5289         * c-typeck.c (tagged_tu_seen): Rename to ...
5290         (tagged_tu_seen_cache): this and add val field.
5291         (comptypes): Move functional to comptypes_internal
5292         and free tagged_tu_seen.
5293         (comptypes_internal): New function and call comptypes_internal
5294         instead of comptypes. Speed up by sibcalling
5295         tagged_types_tu_compatible_p.
5296         (alloc_tagged_tu_seen): New function
5297         (free_all_tagged_tu_seen_up_to): New function.
5298         (tagged_types_tu_compatible_p): Return the val of the seen two
5299         types.
5300         Add that the two types are the same to tagged_tu_seen_base
5301         if they are and call comptypes_internal instead of comptypes.
5302         <case UNION_TYPE>: Speed up common type where the fields are
5303         in the same order.
5304         (function_types_compatible_p): Call comptypes_internal instead of
5305         comptypes.
5306         (type_lists_compatible_p): Likewise.
5307         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5308
5309 2005-10-02  Matthias Klose  <doko@debian.org>
5310
5311         * doc/invoke.texi: Fix typo and speling error.
5312
5313 2005-10-01  Richard Henderson  <rth@redhat.com>
5314
5315         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5316
5317 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5318
5319         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5320         using --start-group and --end-group.
5321
5322 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5323
5324         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5325         FIXME note regarding quirky semantics.
5326
5327 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5328
5329         PR 24141
5330         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5331         non-null range as a last resort.
5332
5333 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5334             Diego Novillo  <dnovillo@redhat.com>
5335
5336         PR 23604
5337         * tree-vrp.c (extract_range_from_assert): For !=
5338         assertions, only build an anti-range if LIMIT is a
5339         single-valued range.
5340
5341 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5342
5343         * arm.md (movqi): On thumb when optimizing, handle loading from
5344         memory by describing this as taking a subreg of a zero-extended load
5345         into an SImode register.
5346         (movhi): Likewise.
5347
5348 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5349
5350         * reload1.c (merge_assigned_reloads): Do not change any
5351         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5352
5353 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5354
5355         * Makefile.in (LIPO_FOR_TARGET): Define.
5356         (STRIP_FOR_TARGET): Define.
5357
5358         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5359         before creating new ones.  Do symlinks before creating the actual
5360         targets.
5361
5362         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5363         to work out which multilibs are actually being built.
5364
5365 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5366
5367         * tree-vect-transform.c, config/ms1/ms1.md,
5368         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5369         Follow spelling conventions.
5370         * doc/invoke.texi, doc/md.texi: Fix typos.
5371
5372 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5373
5374         PR tree-optimization/21430
5375         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5376         use operands, and set stmt pointer if need be.
5377         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5378         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5379         present.
5380
5381 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5382
5383         PR middle-end/24053
5384         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5385
5386 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5387
5388         * optabs.c (expand_binop): Initialize first_pass_p.
5389
5390 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5391
5392         PR middle-end/24109
5393         * c-decl.c (c_write_global_declarations_1): If any
5394         wrapup_global_declaration_2 call returned true, restart the loop.
5395
5396 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5397
5398         Fix PR tree-optimization/24117
5399         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5400         before considering whether to use anyoffset.
5401
5402 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5403
5404         Revert this patch:
5405
5406         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5407
5408         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5409         to order operands.
5410         (swap_commutative_operands_with_target): New.
5411
5412 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5413
5414         PR c/21419
5415         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5416         read-only.
5417
5418 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5419
5420         PR tree-optimization/23911
5421         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5422         and IMAGPART_EXPR too.
5423
5424 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5425
5426         PR 17886
5427         * expmed.c (expand_shift): Move logic to reverse rotation
5428         direction when  rotating by constants ...
5429         * optabs.c (expand_binop): ... here.
5430         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5431         (ix86_rotrdi3): New pattern.
5432         (rotldi3): Handle 32-bit mode.
5433         (ix86_rotldi3): New pattern.
5434
5435 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5436
5437         PR target/24102
5438         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5439         check for numbers that need no bit twiddle.
5440
5441 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5442
5443         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5444         multilib to be built.
5445
5446         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5447         (stage1-start): Delete old libgcc and libunwind before moving
5448         anything into the stage directory.
5449         (stage2-start): Likewise.
5450         (stage3-start): Likewise.
5451         (stage4-start): Likewise.
5452         (stageprofile-start): Likewise.
5453         (stagefeedback-start): Likewise.
5454         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5455         header in tm_file and CPU-specific t-darwin in tmake_file.
5456         (i[34567]86-*-darwin*): Don't change tm_file.
5457         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5458         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5459         shared library stub for target OS version.
5460         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5461         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5462         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5463         (libgcc_s.%.dylib): New.
5464         (LIBGCC): Define.
5465         (install-darwin-libgcc-stubs): New.
5466         (INSTALL_LIBGCC): New append.
5467         * config/i386/darwin-libgcc.10.4.ver: New.
5468         * config/i386/darwin-libgcc.10.5.ver: New.
5469         * config/i386/t-darwin: New.
5470         * config/rs6000/darwin-libgcc.10.4.ver: New.
5471         * config/rs6000/darwin-libgcc.10.5.ver: New.
5472         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5473         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5474
5475 2005-09-28  Paul Brook  <paul@codesourcery.com>
5476
5477         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5478         denormals.
5479
5480 2005-09-28  Richard Guenther  <rguenther@suse.de>
5481
5482         PR tree-optimization/23853
5483         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5484         host_integerp to verify misalignment value.
5485
5486 2005-09-28  Richard Henderson  <rth@redhat.com>
5487
5488         * builtins.c (get_builtin_sync_mode): New.
5489         (expand_builtin_sync_operation): Pass in mode argument.
5490         (expand_builtin_compare_and_swap): Likewise.
5491         (expand_builtin_lock_test_and_set): Likewise.
5492         (expand_builtin_lock_release): Likewise.
5493         (expand_builtin): Update to match.
5494
5495 2005-09-28  Nick Clifton  <nickc@redhat.com>
5496
5497         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5498         formatting.  Add check to PLUS case to ensure that the offset is
5499         within an acceptable range.
5500
5501         * config/v850/v850.md (casesi): Disable the generation of the
5502         switch pattern as it is not being handled properly at the moment.
5503
5504         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5505         for when the high words are identical.
5506
5507 2005-09-27  Richard Henderson  <rth@redhat.com>
5508
5509         * pretty-print.c (pp_base_format): Fix typo for %>.
5510
5511 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5512             Devang Patel  <dpatel@apple.com>
5513
5514         PR tree-optimization/23625
5515         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5516         LABEL_EXPR, assertion check.
5517
5518 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5519
5520         * optabs.c (no_conflict_move_test): Check if a result of a
5521         to-be-moved insn would be clobbered by an originally
5522         preceding insn.
5523
5524 2005-09-27  Jeff Law  <law@redhat.com>
5525
5526         * passes.c (init_optimization_passes): Replace copy propagation
5527         passes immediately after DOM with phi-only copy propagation
5528         pases.  Add phi-only copy propagation pass after first DOM pass.
5529         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5530         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5531         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5532         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5533         to init_copy_prop.  Callers updated.
5534         (do_phi_only_copy_prop): New function.
5535         (pass_phi_only_copy_prop): New pass descriptor.
5536
5537 2005-09-27  Nick Clifton  <nickc@redhat.com>
5538
5539         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5540
5541 2005-09-26  Jason Merrill  <jason@redhat.com>
5542
5543         PR c++/13764
5544         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5545
5546         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5547
5548 2005-09-26  James E Wilson  <wilson@specifix.com>
5549
5550         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5551         copyright.  Add gcc copyright plus libgcc exception.
5552         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5553         copyright.
5554         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5555
5556 2005-09-26  Jeff Law  <law@redhat.com>
5557
5558         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5559         about when to iterate.
5560
5561 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5562
5563         PR target/23847
5564         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5565         for __complex__ double in -mcpu=G5 mode.
5566
5567 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5568
5569         PR tree-optimization/23942
5570         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5571         * tree-scalar-evolution.c: Include params.h.
5572         (t_bool): New enum.
5573         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5574         follow_ssa_edge_in_condition_phi_branch,
5575         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5576         Change return type to t_bool.  Use a parameter to limit the size of
5577         trees that are walked before stopping
5578         (analyze_evolution_in_loop): Initialize the limit to 0.
5579         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5580         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5581
5582 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5583
5584         PR middle-end/23831
5585         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5586         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5587
5588 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5589
5590         * combine.c (make_extraction): Check for valid use of subreg.
5591
5592 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5593
5594         PR target/24055
5595         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5596         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5597         ("fist<mode>2_with_temp"): Use only register operands.
5598
5599 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5600
5601         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5602         CALL_INSN_FUNCTION_USAGE.
5603
5604 2005-09-26  Richard Guenther  <rguenther@suse.de>
5605
5606         PR middle-end/15855
5607         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5608         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5609         (ldst_entry): Use the hashtable instead of list-walking.
5610         (find_rtx_in_ldst): Likewise.
5611         (free_ldst_entry): Free the hashtable.
5612         (compute_ld_motion_mems): Create the hashtable.
5613         (trim_ld_motion_mems): Remove entry from hashtable if
5614         removing it from list.
5615         (compute_store_table): Likewise^2.
5616         (store_motion): Free hashtable in case we did not see
5617         any stores.
5618
5619 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5620
5621         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5622         and arg1 if we are passing them to fold_build2.
5623
5624 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5625
5626         PR 23828
5627         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5628         a nested function.
5629
5630 2005-09-25  Richard Henderson  <rth@redhat.com>
5631
5632         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5633         SYMBOL_REF_TLS_MODEL to be correct.
5634
5635 2005-09-24  Richard Henderson  <rth@redhat.com>
5636
5637         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5638         end of function.  Reindent.
5639
5640 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5641
5642         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5643         NEGATE_EXPR/BIT_NOT_EXPR case.
5644
5645 2005-09-24  Richard Henderson  <rth@redhat.com>
5646
5647         * c-common.c (handle_mode_attribute): When not modifying in place,
5648         create subtypes for enumerations.
5649         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5650         * gimplify.c (create_tmp_from_val): Likewise.
5651
5652 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5653
5654         * config/i386/i386.md (*tls_global_dynamic_64,
5655         *tls_local_dynamic_base_64): Add missing mode to call.
5656         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5657
5658 2005-09-24  Jan Hubicka  <jh@suse.cz>
5659
5660         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5661         (cgraph_clone_node): Likewise.
5662         * cgraph.h (cgraph_clone_edge): Update prototype.
5663         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5664         duplicated prototypes; add updating argument.
5665         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5666         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5667         updating profile.
5668         (cgraph_mark_inline_edge): Likewise.
5669         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5670         (cgraph_flatten_node): Likewise.
5671         (cgraph_decide_recursive_inlining): Likewise.
5672         (cgraph_decide_inlining_of_small_function): Likewise.
5673         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5674
5675 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5676             Pete Steinmetz <steinmtz@us.ibm.com>
5677
5678         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5679         (rldic.): Set type to "compare".
5680         (rldicr.): Same.
5681         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5682         mfjmpr for MFCTR/MFLR.
5683         (movdf_hardfloat64): Same.
5684         (movdf_softfloat64): Same.  Correct order of store and move types.
5685         (movti_string): Set type to store_ux/load_ux.
5686         (load_multiple): Set type to load_ux.
5687         (store_multiple): Set type to store_ux.
5688         (movmemsi): Set type to store_ux.
5689         (output_cbranch direct_return): Set type to jmpreg.
5690         (stmw): Set type to store_ux.
5691         (lmw): Set type to load_ux.
5692         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5693         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5694         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5695         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5696         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5697         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5698         (rios1-fpstore): Increase latency to 3.
5699         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5700         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5701
5702 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5703             Andrew Pinski  <pinskia@physics.uc.edu>
5704
5705         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5706         operand2 constraint to "b".
5707         (sync_<fetchop_name>di_internal): Same.
5708         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5709         to "b".
5710         (sync_old_<fetchop_name>di_internal): Same.
5711         (sync_new_<fetchop_name>si_internal): Same.
5712         (sync_new_<fetchop_name>di_internal): Same.
5713
5714 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5715
5716         PR middle-end/23991
5717         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5718         case, define as macros.
5719
5720         PR rtl-optimization/23837
5721         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5722         clobber / clobber match between dest and p->first.
5723
5724         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5725         (no_conflict_move_test): Update comments.
5726
5727 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5728
5729         * doc/install.texi: Update URL for Jacks.
5730         * doc/sourcebuild.texi: Likewise.
5731
5732 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5733
5734         PR target/24007
5735         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5736         registers when choosing register preferences.
5737         (movdf_hardfloat64): Same.
5738
5739 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5740
5741         * expmed.c (expand_shift): Don't use the target of the rotate as
5742         target for the first expanded shift insn.
5743         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5744
5745 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5746
5747         PR tree-optimization/22438
5748         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5749         preserved iv rhs rewriting specially.
5750
5751 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5752
5753         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5754         estimate_only  is true.
5755         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5756         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5757         tree-ssa-structalias.c
5758         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5759         ref_contains_indirect_ref.
5760         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5761
5762 2005-09-21  DJ Delorie  <dj@redhat.com>
5763
5764         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5765         MASK_PTR_A0D0.
5766         (mn10300_return_in_memory): Support variable size types also.
5767         (mn10300_pass_by_reference): Likewise.
5768         (mn10300_function_value): New.
5769         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5770         (FUNCTION_OUTGOING_VALUE): Likewise.
5771         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5772         * doc/invoke.texi: Document it.
5773
5774 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5775
5776         PR target/22585
5777         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5778         force integer op1 into register for XFmode compares.
5779
5780 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5781
5782         PR middle-end/23971
5783         * expmed.c (alg_code): Add alg_impossible.
5784         (alg_hash_entry): Add cost.
5785         (synth_mult): Record alg_impossible in the hash table if
5786         multiplication by a given integer is impossble within the
5787         limit.  Speed up using alg_impossible.
5788
5789 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5790
5791         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5792         argument.  Allow and set any offset if needs_anyoffset is passed
5793         in.
5794         (get_constraint_for): Add argument here too.
5795         Pass it down.
5796         (do_structure_copy): Pass NULL to get_constraint_for.
5797         (handle_ptr_arith): Ditto.
5798         (find_func_aliases): Ditto.
5799
5800 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5801
5802         PR rtl-optimization/23898
5803         * output.h (get_attr_min_length): Declare.
5804         * final.c (get_attr_length_1): New function, broken out of:
5805         (get_attr_length).
5806         (get_attr_min_length): New function.
5807         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5808         (duplicate_computed_gotos): Likewise.
5809         * genattr.c (insn_min_length): Generate declaration.
5810         * genattrtab.c (min_fn, min_attr_value): New functions.
5811         (make_length_attrs): Generate insn_min_length.
5812
5813 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5814
5815         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5816
5817 2005-09-20  Richard Henderson  <rth@redhat.com>
5818
5819         PR tree-optimization/24059
5820         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5821         EXPAND_STACK_PARM.
5822
5823 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5824
5825         * c.opt (fextended-identifiers): New.
5826         * c-opts.c (c_common_handle_option): Handle
5827         -fextended-identifiers.
5828         * doc/cpp.texi: Update documentation of extended identifiers.
5829         * doc/cppopts.texi (-fextended-identifiers): Document.
5830
5831 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5832
5833         PR tree-optimization/23929
5834         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5835         if expr is NULL.
5836
5837         PR tree-optimization/23818
5838         * tree-stdarg.c (execute_optimize_stdarg): Call
5839         calculate_dominance_info.
5840
5841 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5842
5843         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5844         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5845         (compute_overlap_steps_for_affine_1_2): Use
5846         get_number_of_iters_for_loop.
5847         (analyze_subscript_affine_affine): Check whether difference is
5848         zero first.
5849         Use get_number_of_iters_for_loop.
5850         Check whether overlap occurs outside of bounds.
5851         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5852
5853 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5854
5855         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5856         base register if possible.
5857
5858 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5859
5860         PR tree-optimization/18463
5861         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5862         converting it directly is not possible.
5863         (chrec_convert_aggressive): New function.
5864         * tree-chrec.h (chrec_convert_aggressive): Declare.
5865         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5866         Fold chrec conversions aggressively if asked to.
5867         (instantiate_parameters): Modified because of changes in
5868         instantiate_parameters_1.
5869
5870 2005-09-19  Richard Henderson  <rth@redhat.com>
5871
5872         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5873         (reduc_splus_v2df): New.
5874
5875 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5876
5877         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5878         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5879
5880 2005-09-19  Richard Henderson  <rth@redhat.com>
5881
5882         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5883         vcondu<SSEMODE12>.
5884
5885 2005-09-19  Richard Henderson  <rth@redhat.com>
5886
5887         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5888         (ia64_expand_dot_prod_v8qi): New.
5889         * config/ia64/ia64-protos.h: Update.
5890         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5891         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5892         sdot_prodv8qi, sdot_prodv4hi): New.
5893         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5894
5895 2005-09-19  Richard Henderson  <rth@redhat.com>
5896
5897         PR 23941
5898         * real.c (exact_real_truncate): Return false if the format cannot
5899         represent the number as a normal.
5900
5901         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5902         for a memory source.
5903
5904 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5905
5906         * tree-ssa-operands.c (swap_tree_operands): Export.
5907         * tree.h (swap_tree_operands): Declare.
5908         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5909         Call swap_tree_operands.
5910
5911 2005-09-19  Richard Henderson  <rth@redhat.com>
5912
5913         * tree-flow.h (merge_alias_info): Declare.
5914         * tree-ssa-copy.c (merge_alias_info): Export.
5915         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5916         (vect_create_data_ref_ptr): Use create_iv directly.
5917         (vectorizable_load): Use correct types for integer constants.
5918         (vect_generate_tmps_on_preheader): Likewise.
5919         (vect_gen_niters_for_prolog_loop): Likewise.
5920
5921 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5922
5923         PR rtl-optimization/23943
5924         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5925
5926 2005-09-18  Jan Hubicka  <jh@suse.cz>
5927
5928         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5929
5930 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5931
5932         * varasm.c (output_constant): Do not abort on conversions to union
5933         types between different sizes.
5934
5935 2005-09-18  Richard Guenther  <rguenther@suse.de>
5936
5937         PR middle-end/23944
5938         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5939         fallback.
5940
5941 2005-09-18  Paul Brook  <paul@codesourcery.com>
5942
5943         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5944
5945 2005-09-17  Richard Henderson  <rth@redhat.com>
5946
5947         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5948         * tree-ssa-loop.c (pass_vect_dce): Remove.
5949         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5950         of pass_vectorize.
5951
5952 2005-09-17  Richard Henderson  <rth@redhat.com>
5953
5954         * tree-pass.h (pass_vect_dce): Declare.
5955         * passes.c (init_optimization_passes): Add it.
5956         * tree-flow.h (tree_ssa_dce): Declare.
5957         * tree-ssa-dce.c (tree_ssa_dce): Export.
5958         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5959         (gate_tree_vectorize): ... here.
5960         (pass_vect_dce): New.
5961
5962 2005-09-17  Jan Hubicka  <jh@suse.cz>
5963
5964         * except.c (struct eh_status): Turn region_array into vec.
5965         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5966         convert_from_eh_region_ranges, find_exception_handler_labels,
5967         current_function_has_exception_handlers, assign_filter_values,
5968         build_post_landing_pads, dw2_build_landing_pads,
5969         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5970         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5971         foreach_reachable_handler, can_throw_internal_1,
5972         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5973         region_array.
5974         (duplicate_eh_region_1): Update region_array.
5975         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5976
5977 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5978
5979         PR middle-end/22067
5980         * expmed.c (expand_mult): Substitute simple register for op0 when
5981         computing max_cost.
5982
5983 2005-09-17  Richard Henderson  <rth@redhat.com>
5984
5985         * expr.c (emit_move_via_integer): Add force argument, pass it on
5986         to emit_move_change_mode.  Update callers.
5987         (emit_move_complex): Pass true to new force argument.
5988         * function.c (expand_function_end): Move expand_eh_return call
5989         earlier.  Merge sub-word complex values into a pseudo before
5990         copying to the return hard register.
5991
5992 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5993
5994         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5995         between different sizes.
5996
5997 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5998
5999         PR 23903
6000
6001         * passes.c (init_optimization_passes): Register dump files for
6002         IPA passes first.
6003
6004 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6005
6006         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6007         * config/s390/s390.c (s390_overlap_p): New function.
6008         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6009         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6010         condition.
6011
6012 2005-09-16  Richard Guenther  <rguenther@suse.de>
6013
6014         * ipa-pure-const.c (static_execute): Free auxiliar information.
6015         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6016         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6017
6018 2005-09-15  DJ Delorie  <dj@redhat.com>
6019
6020         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6021
6022 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6023
6024         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6025         to order operands.
6026         (swap_commutative_operands_with_target): New.
6027
6028 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6029
6030         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6031         parameter.
6032         Update callers.
6033         (estimate_iters_using_array): New function.
6034         * tree-data-ref.h (estimate_iters_using_array): Prototype
6035         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6036         Use estimate_iters_using_array instead of analyze_array.
6037
6038 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6039
6040         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6041         as addressable.
6042
6043 2005-09-15  Michael Matz  <matz@suse.de>
6044
6045         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6046
6047 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6048
6049         PR tree-optimization/23835
6050         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6051         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6052
6053 2005-09-14  Richard Henderson  <rth@redhat.com>
6054
6055         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6056         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6057
6058 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6059
6060         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6061         in the ARRAY_TYPE case.
6062
6063 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6064
6065         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6066
6067 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6068
6069         PR middle-end/22480
6070         * tree-vect-transform.c (vectorizable_operation): Return false for
6071         scalar shift operations and for vector shift operations with
6072         non-invariant shift arguments.  Use scalar tree operand op1 as
6073         a shift operand when vector shift insn pattern uses scalar shift
6074         operand.
6075         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6076
6077 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6078
6079         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6080         value if it has side-effects.
6081
6082 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6083
6084         PR target/22068
6085         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6086
6087 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6088
6089         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6090         passed as NAME as if it were label at start of function code.
6091
6092 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6093
6094         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6095         the constraints.
6096
6097 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6098
6099         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6100         as early clobber.  Rewrite so the PIC register is not implicitly used.
6101
6102 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6103
6104         * tree.c (annotate_with_file_line): Compare line numbers before
6105         file names.
6106
6107 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6108
6109         PR target/23816
6110         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6111         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6112
6113 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6114
6115         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6116         than a HOST_WIDEST_INT to gen_doloop_begin.
6117
6118 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6119
6120         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6121
6122 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6123
6124         PR tree-optimize/23817
6125         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6126
6127 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6128
6129         PR target/23774
6130         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6131         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6132         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6133         (restore_stack_nonlocal): Likewise.
6134         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6135
6136 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6137
6138         PR g++/7874
6139         * c.opt (ffriend-injection): New C++ option.
6140         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6141         (C++ Dialect Options): Document -ffriend-injection.
6142
6143 2005-09-12  Josh Conner  <jconner@apple.com>
6144
6145         PR middle-end/23237
6146         * ipa-reference.c (static_execute): Don't mark variables in
6147         named sections TREE_READONLY.
6148
6149 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6150
6151         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6152         stack_tie.
6153
6154 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6155
6156         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6157         V_MUST_DEF instead of just the first_use_p.
6158         Don't mark the virtual variables for renaming on the statement which
6159         is being removed.
6160         (pass_dse): Remove TODO_update_ssa.
6161
6162 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6163
6164         PR middle-end/23290
6165         * stor-layout.c (compute_record_mode): For records with a single
6166         field, actually check the field's mode size against the type size.
6167
6168         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6169         registers for TARGET_SHMEDIA.
6170         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6171         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6172         of GENERAL_REGS and FP_REGS.
6173
6174 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6175
6176         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6177
6178 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6179
6180         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6181         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6182         are omitted.  Exclude stack_tie insn too.
6183
6184 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6185
6186         PR rtl-optimization/23098
6187         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6188         0.0f is easy.
6189         * config/rs6000/rs6000.md (movdf splitter): Use
6190         const_double_operand predicate for TARGET_POWERPC64.
6191         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6192         SYMBOL_REF method to ABI_V4.
6193
6194         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6195         replace_equiv_address.
6196         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6197         rs6000_sr_alias_set and MEM_NOTRAP.
6198         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6199
6200 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6201
6202         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6203         handle CALL_EXPR again.
6204
6205 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6206
6207         * arm/predicates.md (alignable_memory_operand): Delete.
6208
6209 2005-09-10  Richard Henderson  <rth@redhat.com>
6210
6211         PR debug/23806
6212         * dbxout.c (dbxout_expand_expr): New.
6213         (dbxout_symbol): Use it.
6214
6215 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6216
6217         * arm.c (arm_gen_rotated_half_load): Delete.
6218         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6219         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6220         (thumb_set_return_address): Likewise.
6221         (thumb_load_double_from_address): Use adjust_address.
6222         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6223         (extendhsisi2_mem, movhi_bytes): Use change_address.
6224         (movhi): Use widen_memory_access.
6225         (reload_out_df): Use replace_equiv_address.
6226         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6227
6228 2005-09-09  Richard Henderson  <rth@redhat.com>
6229
6230         PR debug/20998
6231         * dbxout.c: Include expr.h.
6232         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6233         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6234         * Makefile.in (dbxout.o): Add EXPR_H.
6235
6236 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6237
6238         PR tree-optimization/23509
6239         * tree-cfg.c (replace_uses_by): Use replace_exp.
6240         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6241         pointers have name_mem_tag or type_mem_tag set.
6242
6243 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6244
6245         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6246         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6247         of wrongly accessing operands.
6248
6249 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6250
6251         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6252         * tree-chrec.c: Include tree-scalar-evolution.h.
6253         (chrec_convert): Instantiate the base and step before calling
6254         scev_probably_wraps_p that would fail on parametric evolutions.
6255         Collect all the fails into a single section failed_to_convert,
6256         print a diagnostic, and return chrec_dont_know instead of calling
6257         fold_convert.
6258         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6259         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6260         phi nodes.
6261         (scev_const_prop): Don't replace the definition of a loop closed ssa
6262         phi node by itself, or by another loop closed ssa phi node.
6263         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6264         that base and step are defined.
6265
6266 2005-09-09  Richard Guenther  <rguenther@suse.de>
6267
6268         PR c++/23624
6269         * fold-const.c (fold_ternary): Check truth_value_p before
6270         calling invert_truthvalue.
6271
6272 2005-09-09  Nick Clifton  <nickc@redhat.com>
6273
6274         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6275         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6276         dimension of these arrays.
6277         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6278         these arrays.
6279         * longlong.h: Only provide a prototype for the __clz_tab[] array
6280         if this header has not been included from libgcc2.h.
6281         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6282         defining own types.
6283         Provide prototypes for exported functions.
6284         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6285         libgcc2.c.
6286
6287 2005-09-08  Josh Conner  <jconner@apple.com>
6288
6289         PR c++/21135
6290         PR c++/23180
6291         * expr.c (expand_expr_addr_expr_1): Don't invoke
6292         expand_simple_binop for EXPAND_INITIALIZER.
6293
6294 2005-09-08  Richard Henderson  <rth@redhat.com>
6295
6296         PR debug/23190
6297         * toplev.c (wrapup_global_declaration_1): Split out ...
6298         (wrapup_global_declaration_2): ... from ...
6299         (wrapup_global_declarations): ... here.  Return bool.
6300         (check_global_declaration_1): Split out ...
6301         (check_global_declarations): from here.
6302         (emit_debug_global_declarations): New.
6303         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6304         check_global_declaration_1, emit_debug_global_declarations): Declare.
6305         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6306         of decls.  Call wrapup_global_declaration_1,
6307         wrapup_global_declaration_2, check_global_declaration_1 directly.
6308         (c_write_global_declarations_2): New.
6309         (ext_block): New.
6310         (c_write_global_declarations): Call c_write_global_declarations_2.
6311         * langhooks.c (write_global_declarations): Call
6312         emit_debug_global_declarations.
6313
6314         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6315         remove decls that have DECL_RTL_SET_P.
6316         * passes.c (rest_of_decl_compilation): Invoke
6317         cgraph_varpool_finalize_decl for all but functions.
6318
6319 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6320
6321         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6322         the result of a conversion if the new min and max cannot be compared.
6323
6324 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6325
6326         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6327         (override_options): Setting s390_sr_alias_set removed.
6328         (save_fpr, save_gprs): Set alias set to vararg or frame.
6329         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6330         s390_sr_alias_set with get_frame_alias_set ().
6331         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6332         get_varargs_alias_set ().
6333
6334 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6335
6336         PR objc/20574
6337         PR objc/19324
6338         * c-parser.c (c_parser_objc_method_definition): If the next
6339         token is not "{", error out and don't start the function.
6340
6341 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6342
6343         * tree-vrp.c (extract_range_from_expr): Move the check for non
6344         nullness after the check for gimple invariant.
6345
6346 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6347
6348         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6349
6350 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6351
6352         PR target/23747
6353         * config/m32r.md (movmemsi_internal): Canonicalize order of
6354         operands in PLUS component of template.
6355
6356 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6357
6358         * reload1.c (fixup_eh_region_note): Remove assertion.
6359         (fixup_abnormal_edges): Reverted removal of call to
6360         find_many_sub_basic_blocks made on 2005-08-31.
6361
6362 2005-09-07  Richard Henderson  <rth@redhat.com>
6363
6364         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6365         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6366         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6367         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6368         rearrange for better packing.
6369         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6370         (lookup_cfa_1): Remove inline marker.
6371         (cfa_equal_p): Split out of ...
6372         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6373         (build_cfa_loc): Handle !cfa->indirect.
6374         (frame_pointer_cfa_offset): New.
6375         (dbx_reg_number): Assert register elimination performed; do
6376         leaf register remapping.
6377         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6378         (eliminate_reg_to_offset): New.
6379         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6380         for verifiably local stack frame addresses; re-base to CFA.
6381         (mem_loc_descriptor): Remove can_use_fbreg argument.
6382         (concat_loc_descriptor, loc_descriptor): Likewise.
6383         (containing_function_has_frame_base): Remove.
6384         (rtl_for_decl_location): Don't do register elimination or
6385         leaf register remapping here.
6386         (secname_for_decl): Split out from ..
6387         (add_location_or_const_value_attribute): ... here.
6388         (convert_cfa_to_loc_list): New.
6389         (compute_frame_pointer_to_cfa_displacement): New.
6390         (gen_subprogram_die): Use them.
6391         * tree.h (frame_base_decl): Remove.
6392         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6393         (prologue_stack_adjust): Remove.
6394         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6395         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6396         (set_frame_base_location): Remove.
6397         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6398         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6399         (vt_add_function_parameters): Don't eliminate_regs.
6400         (vt_initialize): Don't create frame_base_decl.
6401
6402 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6403
6404         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6405         version of GNU binutils for 4.x and later.
6406
6407 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6408
6409         * ggc-page.c (ggc_push_context): Remove.
6410         (ggc_pop_context): Likewise.
6411         * ggc.h (ggc_push_context): Remove.
6412         (ggc_pop_context): Likewise.
6413
6414 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6415
6416         PR target/8973
6417         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6418         returning from an interrupt handler.
6419
6420 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6421
6422         PR target/8972
6423         * config/arc/arc.c (output_shift): Add check for loop count when
6424         optimizing.
6425
6426 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6427
6428         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6429         form manually.
6430         (abs_replacement): Likewise.
6431         (pass_phiopt): Remove TODO_update_ssa.
6432
6433 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6434
6435         PR c/23075
6436         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6437         if "return with no value, in function returning non-void" warning
6438         has been issued.
6439         * tree-cfg.c (execute_warn_function_return): Don't look at
6440         RETURN_EXPRs with TREE_NO_WARNING set.
6441
6442         PR target/22362
6443         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6444         for internal functions doesn't use registers used by global registers
6445         variables.  Use fewer register parameters if there are global register
6446         variables.
6447
6448 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6449             Eric Botcazou  <ebotcazou@adacore.com>
6450
6451         PR middle-end/14997
6452         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6453         when we would be extracting outside its bit span (bitpos+bitsize
6454         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6455         Ada unchecked conversions.
6456
6457 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6458
6459         * tree-ssa-pre.c (try_look_through_load): New function.
6460         (compute_avail): Use it to try to look through loads for some
6461         more useful expressions.
6462
6463 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6464
6465         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6466         condition for detecting cases like (a&a) and (a^a).
6467
6468 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6469
6470         * common.opt: Add option ftree-vect-loop-version.
6471         * params.def: Add --param vect-max-version-checks.
6472         * doc/invoke.texi: Document ftree-vect-loop-version and
6473         --param vect-max-version-checks.
6474         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6475         may_misalign_stmts and defines for accessors.
6476         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6477         LOOP_VINFO_MAY_MISALIGN_STMTS.
6478         (destroy_loop_vec_info): VEC_free for
6479         LOOP_VINFO_MAY_MISALIGN_STMTS.
6480         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6481         Update documentation.
6482         (vect_update_misalignment_for_peel): New.
6483         (vect_enhance_data_refs_alignment): Update to choose loop
6484         peeling or loop versioning if appropriate for the (potentially)
6485         unaligned data references in the loop.
6486         (vect_analyze_data_refs_alignment): Remove call to
6487         vect_enhance_data_refs_alignment so the checks can be done
6488         earlier.
6489         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6490         and move up call to vect_analyze_data_refs_alignment.
6491         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6492         (vect_transform_loop): Add call to loop_version.
6493
6494 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6495
6496         PR rtl-optimization/23098
6497         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6498         * simplify-rtx.c (constant_pool_reference_p): New function.
6499         * rtl.h (constant_pool_reference_p): New prototype.
6500         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6501         constant_pool_reference_p in condition and
6502         avoid_constant_pool_reference in preparation statements.
6503
6504 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6505
6506         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6507         STRICT_LOW_PART SETs.
6508
6509 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6510
6511         PR middle-end/21460
6512         * except.c (sjlj_emit_function_enter): Find the function begin
6513         note even when it's not in first basic block.
6514
6515 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6516
6517         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6518         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6519         * aclocal.m4: Regenerate.
6520
6521 2005-09-05  DJ Delorie  <dj@redhat.com>
6522
6523         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6524         of macro.
6525
6526 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6527
6528         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6529         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6530         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6531         Follow spelling conventions.
6532         * doc/invoke.texi: Follow spelling conventions.
6533
6534 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6535
6536         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6537         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6538         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6539
6540 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6541
6542         PR target/23683
6543         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6544         (output_stack_adjust): Use gen_tmp_stack_mem.
6545         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6546         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6547         (sh_get_pr_initial_val): Likewise.
6548         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6549         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6550         * sh.md (divsi_inv_m0): Use gen_const_mem.
6551         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6552         (movdf_i4+1): Use gen_tmp_stack_mem.
6553         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6554         (fpu_switch+2): Likewise.
6555         (movv4sf_i, movv16sf_i): Use adjust_address.
6556         (symGOT_load): Set MEM_NOTRAP_P bit.
6557
6558 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6559
6560         PR target/23721
6561         * pa.c (emit_move_sequence): Fix typo in last change.
6562
6563 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6564
6565         PR rtl-optimization/23454
6566         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6567         is true.
6568
6569 2005-09-03  Richard Henderson  <rth@redhat.com>
6570             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6571
6572         PR middle-end/23671
6573         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6574         gen_rtx_MEM.
6575
6576 2005-09-02  Nicolas Pitre <nico@cam.org>
6577
6578         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6579         to bit_count to 32 bits.
6580
6581 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6582
6583         PR c++/23167
6584         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6585         generating synthetic loads from volatile lvalues.
6586
6587 005-09-02  Nick Clifton  <nickc@redhat.com>
6588
6589         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6590         __ctzhi2, __clzhi2): New functions.
6591
6592 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6593
6594         PR middle-end/23547
6595         * tree-nested.c (struct var_map_elt): Mark with GTY.
6596         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6597         var_map_elt.
6598         (lookup_field_for_decl): Allocate new element in GC memory.
6599         (lookup_tramp_for_decl): Likewise.
6600         (convert_nl_goto_reference): Likewise
6601         (create_nesting_tree): Allocate info in GC memory. Likewise for
6602         info->var_map.
6603         (free_nesting_tree): Free with ggc_free instead of free.
6604         (root): New static variable.
6605         (lower_nested_functions): Remove root as local variable.  And zero out
6606         root at the end of the function.
6607
6608 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6609
6610         PR rtl-optimization/20365
6611         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6612         to short.  New member ix.
6613         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6614         (simplify_plus_minus): Initialize ix members before calling qsort.
6615
6616 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6617
6618         PR tree-optimization/23626
6619         * tree-cfg.c (replace_uses_by): Clean up eh info.
6620
6621 2005-09-01  DJ Delorie  <dj@redhat.com>
6622
6623         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6624         fprintf.
6625
6626 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6627
6628         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6629         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6630         gen_rtx_MEM.
6631
6632 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6633
6634         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6635         do not issue warning for a variable definition following
6636         a declaration.
6637
6638 2005-09-01  Richard Henderson  <rth@redhat.com>
6639
6640         PR 23668
6641         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6642         conversion to CONST_VECTOR.
6643
6644 2005-09-01  Richard Henderson  <rth@redhat.com>
6645
6646         PR 23676
6647         * reload1.c (reload_as_needed): Check !CALL_P before calling
6648         fixup_eh_region_note.
6649         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6650
6651 2005-09-01  DJ Delorie  <dj@redhat.com>
6652
6653         * varasm.c (output_constant): Let the target resolve
6654         conversions of addresses to non-default pointer sizes.
6655
6656 2005-09-01  Nicolas Pitre <nico@cam.org>
6657
6658         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6659         to alow matching ARM pre-indexed addressing mode.
6660         (arm_override_options): Remove now irrelevant comment.
6661
6662 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6663
6664         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6665         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6666         * config/i386/vxworks.h:  Likewise.
6667         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6668         * config/i386/vxworksae.h:  Likewise.
6669
6670 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6671
6672         PR tree-optimization/23410
6673         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6674         sequence is not wrapping during the first step.
6675
6676 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6677
6678         PR debug/7241
6679         * dwarf2out.c (base_type_die): Compare char_type_node with
6680         TYPE_MAIN_VARIANT (type), not type.
6681
6682 2005-09-01  Richard Guenther  <rguenther@suse.de>
6683
6684         PR tree-optimization/15366
6685         * common.opt: Add -finline-functions-called-once.
6686         Put -fearly-inlining in alphabetically ordered place.
6687         * doc/invoke.texi: Document new option.
6688         * ipa-inline.c (cgraph_decide_inlining): Honour
6689         flag_inline_functions_called_once.
6690
6691 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6692
6693         PR rtl-optimization/23478
6694         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6695         (alloc_qty): Initialize it.
6696         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6697         (combine_regs): Combine also n_throwing_calls_crossed fields.
6698         (find_free_reg): Don't attempt to caller-save pseudos crossing
6699         calls that might throw.
6700         * global.c (struct allocno): Add throwing_calls_crossed field.
6701         (global_alloc): Revert 2005-08-22 change.  Initialize
6702         throwing_calls_crossed.
6703         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6704         might throw.
6705
6706 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6707
6708         PR target/23649
6709         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6710         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6711         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6712         (and64_2_operand): Tweak to use predicate.
6713         (and_operand): Adjust for mask_operand changes.
6714         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6715         (print_operand): Likewise.
6716         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6717         (mask64_1or2_operand): Delete.
6718         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6719         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6720         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6721         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6722         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6723         (rotldi3_internal4): Likewise.
6724         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6725         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6726         (ashldi3_internal7): Likewise.
6727         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6728         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6729         (anddi3 split): Don't match mask64_operand.
6730         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6731         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6732         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6733         't' splitter predicate.
6734         (movdi_internal64 + 2): Revert 2005-06-11 change.
6735
6736 2005-08-31  DJ Delorie  <dj@redhat.com>
6737
6738         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6739         (m32c_asm_integer): Add support for 32 bit pointers.
6740
6741 2005-08-31  Richard Henderson  <rth@redhat.com>
6742
6743         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6744         component-like references for setting MEM_NOTRAP_P.
6745
6746         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6747         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6748
6749 2005-08-31  Richard Henderson  <rth@redhat.com>
6750
6751         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6752         into a pseudo before applying gen_lowpart.
6753
6754 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6755
6756         * doc/install.texi (Specific): Update cctools version required
6757         for full functionality.
6758         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6759         linkers as -macosx_version_min.
6760
6761 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6762
6763         PR target/21255
6764         * sh.c (print_operand, %R and %S): Add handling of floating point
6765         registers, memory, constants and invalid operands.
6766
6767 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6768
6769         * ipa-pure-const.c: Change dump name.
6770
6771 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6772
6773         PR target/23570
6774         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6775         to "reg_or_0_operand".
6776         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6777
6778 2005-08-31  Dale Johannesen  <dalej@apple.com>
6779
6780         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6781         loops that count down.
6782
6783 2005-08-31  Richard Henderson  <rth@redhat.com>
6784
6785         PR rtl-opt/23601
6786         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6787         (fixup_eh_region_note): New.
6788         (reload_as_needed): Call it.
6789         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6790         don't call find_many_sub_basic_blocks; call verify_flow_info.
6791         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6792         (keep_stack_depressed): Likewise.
6793         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6794
6795 2005-08-31  Richard Henderson  <rth@redhat.com>
6796
6797         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6798         fp return matching.
6799
6800 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6801
6802         * expr.c (expand_expr_real_1): Compare size of address
6803         mode to target's address mode size in deciding expansion of
6804         the constant address.
6805
6806 2005-08-31  Richard Guenther  <rguenther@suse.de>
6807
6808         PR middle-end/23477
6809         * expr.c (all_zeros_p): New function.
6810         (expand_expr_real_1): Handle the case of an all-zero
6811         non-addressable constructor separately.
6812
6813 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6814
6815         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6816         arguments, adjust all callers.
6817         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6818
6819 2005-08-30  Richard Henderson  <rth@redhat.com>
6820
6821         PR target/23630
6822         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6823         whenever the mode sizes match.
6824
6825 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6826
6827         * calls.c (load_register_parameters): Fix comment typo.
6828         * expr.c (emit_push_insn): Comment formatting.
6829
6830 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6831
6832         * config/i386/x-cygwin (host-cygwin): Change dependency from
6833         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6834
6835 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6836
6837         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6838         parts of 'vals'.
6839
6840 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6841
6842         PR middle-end/23408
6843         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6844         call to ggc_collect.
6845
6846 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6847
6848         PR bootstrap/21268
6849         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6850         beginning.  Remove $(INCLUDES) from all the rules, if following
6851         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6852
6853 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6854
6855         PR middle-end/23484
6856         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6857         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6858         not constant, but maxlen is, don't set len to maxlen, rather
6859         set maxlen to len if len is a constant.
6860
6861 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6862
6863         PR tree-optimization/23475
6864         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6865         and counts.
6866
6867 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6868
6869         Fix PR middle-end/22455
6870
6871         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6872         Checksum only the parts of the tree that exist for the tree code.
6873
6874 2005-08-28  Dale Johannesen  <dalej@apple.com>
6875
6876         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6877
6878 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6879
6880         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6881
6882 2005-08-28  Richard Henderson  <rth@redhat.com>
6883
6884         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6885         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6886         of char_type_node.
6887
6888 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6889
6890         PR ada/23593
6891         * builtins.c (get_memory_rtx): Don't strip nops
6892         in between COMPONENT_REFs.
6893
6894 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6895
6896         PR middle-end/23463
6897         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6898         types.
6899         (gimplify_modify_expr): Check for zero sized types and gimplify the
6900         rhs and lhs as statements.
6901
6902 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6903
6904         PR libgcj/23508
6905         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6906         state for return address column of signal frames.
6907
6908 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6909
6910         PR target/23539
6911         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6912         bytes >= 2 not bytes == 2.
6913         (expand_block_move): Same.
6914
6915 2005-08-27  Richard Guenther  <rguenther@suse.de>
6916
6917         PR target/23575
6918         * config/i386/sse.md (sse2_movsd): Add missing closing
6919         braces.
6920
6921 2005-08-27  Paul Brook  <paul@codesourcery.com>
6922
6923         * genrecog.c (enum decision_type): Add DT_num_insns.
6924         (struct decision_test): Add u.num_insns.
6925         (add_to_sequence): Add DT_num_insns test.
6926         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6927         (write_cond, debug_decision_2): Ditto.
6928         (change_state): Assume peep2_next_insn never fails.
6929         Remove "afterward" argument.
6930         (write afterward, write_tree): Update to match.
6931         * recog.c (peep2_current_count): New variable.
6932         (peep2_next_insn): Check it.
6933         (peephole2_optimize): Set peep2_current_count.
6934         * recog.h (peep2_current_count): Declare.
6935
6936 2005-08-26  Josh Conner  <jconner@apple.com>
6937
6938         PR middle-end/23584
6939         * ipa-pure-const.c (check_tree): Check for volatile-ness
6940         when considering a dereference.
6941
6942 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6943
6944         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6945
6946 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6947
6948         PR rtl-optimization/23561
6949         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6950         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6951         at most LEN bytes long memory fits into the field.
6952         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6953         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6954         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6955
6956 2005-08-26  Richard Henderson  <rth@redhat.com>
6957
6958         PR rtl-opt/23560
6959         * loop.c (biased_biv_may_wrap_p): New.
6960         (maybe_eliminate_biv_1): Use it to suppress non-equality
6961         comparison transformations.  Delete disabled code.
6962
6963 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6964
6965         * combine.c (make_extraction): Avoid reference outside object.
6966
6967 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6968
6969         * stor-layout.c (finalize_type_size): Restore behaviour for
6970         non-aggregate types to the status quo ante of the patch for
6971         pr 23467.  Document why it matters.
6972
6973 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6974
6975         PR c/23506
6976         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6977         array by one element, initialize the BT_LAST element with NULL.
6978
6979 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6980
6981         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6982         optimizing for size.
6983         (plus_eqsi): Same.
6984         (compare_plus_eqsi): Same.
6985         (plus_eqsi_compare): Same.
6986         (neg_eq0<mode>): Same.
6987         (neg_eq<mode>): Same.
6988
6989         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6990         PROCESSOR_POWER4.
6991
6992 2005-08-26  Nick Clifton  <nickc@redhat.com>
6993
6994         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6995         TARGET_EP is not defined.
6996         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6997         TARGET_EP is enabled.
6998         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6999         * config/v850/v850.md (save_all_interrupt): Only use the EP
7000         register if TARGET_EP is defined.
7001         (restore_all_interrupt): Likewise.
7002         * config/v850/lib1funcs.asm: Update functions so that the EP
7003         register is only used if __EP__ is defined.
7004
7005 2005-08-26  David Ung  <davidu@mips.com>
7006
7007         * config/mips/mips.c (mips_expand_prologue): Handle case when
7008         generating for MIPS16 and the outgoing argument area is more than
7009         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7010         add instruction.
7011
7012 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7013
7014         * config/crx/crx.md: Make doloop_end pattern usage controllable
7015         via mloop-nesting=<max-nesting> command line switch. Make sure
7016         the combiner cannot use doloop_end_<mode> in an illegal way.
7017         * config/crx/crx.c: Use regs up to r6 for argument passing.
7018         Refine crx_address_cost (non cst4 displacements are expensive).
7019         * config/crx/crx.opt: Add switch for mloop-nesting=.
7020
7021 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7022
7023         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7024         (UNSPEC_MVST): New constant.
7025
7026 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7027
7028         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7029         Reject operands containing eliminable registers.
7030         * testsuite/gcc.dg/20050825-1.c: New testcase.
7031
7032 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7033             Jan Hubicka  <jh@suse.cz>
7034
7035         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7036
7037 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7038
7039         PR tree-optimization/23546
7040         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7041         and REAL_CST nodes.
7042
7043 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7044
7045         * params.def (PARAM_MIN_SPEC_PROB): New.
7046         * sched-rgn.c (MIN_PROBABILITY): Delete.
7047         (compute_trg_info): Convert to PARAM_VALUE.
7048         * doc/invoke.texi (param): Document min-spec-prob.
7049
7050 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7051
7052         * config/darwin.h: define __PIC__
7053         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7054         TARGET_OS_CPP_BUILTINS macro.
7055
7056 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7057
7058         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7059         yesterday.
7060
7061 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7062
7063         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7064         to duplicate_block.
7065         * cfghooks.c (duplicate_block): Added position where to place
7066         new block as argument.
7067         * cfghooks.h (duplicate_block): Declaration changed.
7068         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7069         duplicate_block.
7070         * cfglayout.h (copy_bbs): Declaration changed.
7071         * cfgloop.h (loop_version): Declaration changed.
7072         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7073         position to copy_bbs.
7074         (loop_version): Pass position to duplicate_loop_to_header_edge.
7075         Add place_after argument and position new blocks according to
7076         it.
7077         * modulo-sched.c (sms_schedule): Pass place_after argument
7078         to loop_version.
7079         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7080         * tree-cfg.c (split_edge_bb_loc): New function.
7081         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7082         to determine position of new blocks.
7083         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7084         to loop_version.
7085         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7086         argument to duplicate_block.
7087         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7088         Pass position to copy_bbs.
7089
7090 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7091
7092         * fold-const.c (ptr_difference_const): Use
7093         cst_and_fits_in_hwi instead of host_integerp.
7094
7095 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7096
7097         * config/darwin.c (gen_pic_offset): New.
7098         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7099         Use it.
7100
7101 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7102
7103         PR tree-optimization/23486
7104         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7105
7106 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7107
7108         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7109         remove use_collect2.
7110         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7111
7112         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7113         configuration files to override the default value.
7114
7115         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7116         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7117         * config/vx-common.h:  New file, split out from...
7118         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7119         * config/vxworksae.h:  New file, for VxWorks AE.
7120         * config/vxworks.opt:  New file.
7121         * config/vxlib.c:  Update for VxWorks 6.
7122
7123         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7124         other MULTILIB_* variables appropriately.
7125         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7126         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7127         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7128         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7129
7130 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7131
7132         PR target/20799
7133         * config/darwin.c (machopic_select_section): Remove the hack to
7134         mark "::operator new" and "::operator delete" for coalescing
7135         even though they are not weak.
7136
7137 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7138
7139         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7140         * configure: Regenerate.
7141
7142 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7143
7144         PR middle-end/23517
7145         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7146         between vectors.
7147         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7148         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7149         Likewise.
7150
7151 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7152
7153         * config/rs6000/predicates.md (equality_operator): New.
7154         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7155         comparison with a large constant.
7156
7157 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7158
7159         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7160
7161 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7162
7163         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7164         registers is even, and we have a hardware double precision fp,
7165         align the buffer.
7166         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7167         size of current argument when checking if argument was passed in
7168         registers.
7169
7170         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7171
7172         PR middle-end/23467
7173         * stor-layout.c (finalize_type_size): Dont override
7174         existing alignment with a smaller alignment from the mode.
7175
7176 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7177
7178         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7179         * lambda.h (lambda_vector_lexico_pos): ... here.
7180         * tree-data-ref.c (build_classic_dist_vector): Return false when
7181         the distance vector is lexicographically negative.
7182
7183 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7184
7185         PR tree-optimization/23511
7186         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7187         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7188
7189 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7190
7191         PR tree-optimization/22043
7192         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7193         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7194         If ALLOW_FLEXARR, handle types ending with flexible array member.
7195         Pass false as second argument to recursive count_type_elements calls.
7196         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7197         argument to count_type_elements call.
7198         * tree-sra.c (decide_block_copy): Likewise.
7199         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7200         for a constant-sized object, set cleared as well.  Pass true as
7201         second argument to count_type_elements call.
7202
7203 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7204
7205         PR target/21571
7206         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7207         from legitimate_small_data_p, and make global.  Update use.
7208         Remove forward declaration.
7209         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7210         Declare.
7211         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7212
7213 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7214
7215         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7216         of scratch intermediates.
7217         (eq<mode>_compare): Same.
7218         (neg_eq0<mode>): New.
7219         (neg_eq<mode>): Convert to define_insn_and_split.
7220
7221 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7222
7223         PR target/23070
7224         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7225         stdarg functions, set/clear the fp marker even when no variable
7226         args are passed.
7227         * config/rs6000/sysv4.opt (mprototype): Describe.
7228
7229 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7230
7231         PR rtl-optimization/23478
7232         * regs.h (reg_info): Add throw_calls_crossed.
7233         (REG_N_THROWING_CALLS_CROSSED): Define.
7234         * flow.c (allocate_reg_life_data): Initialize
7235         REG_N_THROWING_CALLS_CROSSED.
7236         (propagate_one_insn, attempt_auto_inc): Update
7237         REG_N_THROWING_CALLS_CROSSED.
7238         * global.c (global_alloc): Don't allocate pseudos across
7239         calls that may throw.
7240
7241 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7242
7243         PR c/18715
7244         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7245         value is inbetween the range if we did not find an exact match.
7246
7247 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7248
7249         * doc/invoke.texi (Option Summary): Add ms1 options.
7250         * doc/extend.texi: Document interrupt handler attribute for ms1.
7251         * doc/md.texi: Document ms1 constraints.
7252         * config.gcc: Add ms1-*-elf.
7253         * config/ms1/ms1.h: New.
7254         * config/ms1/ms1.c: New.
7255         * config/ms1/ms1.md: New.
7256         * config/ms1/ms1-protos.h: New.
7257         * config/ms1/ABI.txt: New.
7258         * config/ms1/crti.asm: New.
7259         * config/ms1/crtn.asm: New.
7260         * config/ms1/lib2extra-funcs.c: New.
7261         * config/ms1/t-ms1: New.
7262         * config/ms1/ms1.opt: New.
7263
7264 2005-08-22 Ira Rosen <irar@il.ibm.com>
7265
7266         * config/rs6000/altivec.md (xorv4sf3): New.
7267         (negv4sf2, neg<mode>2): Likewise.
7268
7269 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7270
7271         PR target/23485
7272         * config/ia64/ia64.md (divsi3): Check divide by zero.
7273         (udivsi3): Likewise.
7274         (divdi3): Likewise.
7275         (udivdi3): Likewise.
7276
7277 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7278
7279         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7280         up to elem_bitsize bits, not max_bitsize.
7281
7282 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7283
7284         PR tree-optimization/23433
7285         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7286         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7287
7288 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7289
7290         PR tree-optimization/23434
7291         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7292         the iteration bound is not an INTEGER_CST.
7293
7294 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7295
7296         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7297         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7298         NULL if need_epilog_adjust is false.
7299         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7300         Case 3 always peels first itration, not just for PLUS case, and no need
7301         to use scalar_initial_def here. Create an epilog adjustment only if
7302         scalar_initial_def is not NULL.
7303
7304         (vectorizable_reduction): Remove assert.
7305
7306 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7307
7308         PR target/23485
7309         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7310         (__moddi3): Likewise.
7311         (__udivdi3): Likewise.
7312         (__umoddi3): Likewise.
7313         (__divsi3): Likewise.
7314         (__modsi3): Likewise.
7315         (__udivsi3): Likewise.
7316         (__umodsi3): Likewise.
7317
7318 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7319
7320         * tree-pass.h (TDF_GRAPH): Define.
7321         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7322         * passes.c (finish_optimization_passes): Only call
7323         finish_graph_dump_file if TDF_GRAPH is set.
7324         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7325         NULL.  Set TDF_GRAPH bit.
7326         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7327
7328 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7329
7330         * arm.h (arm_stack_offsets): Add locals_base field.
7331         * arm.c (arm_get_frame_offsets): Compute it.
7332         (thumb_compute_initial_elimination offset): Make the Thumb frame
7333         pointer point to the base of the local variables.
7334         (thumb_expand_prologue): Update accordingly.
7335         (thumb_expand_epilogue): Likewise.
7336
7337         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7338         mode of clobbered scratch to DImode.  Handle a case that's known to
7339         need this.
7340
7341 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7342
7343         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7344         (gt0<mode>_compare): Delete.
7345         (neg_gt0<mode>): Delete.
7346
7347 2005-08-19  Eric Christopher  <echristo@apple.com>
7348
7349         * optabs.h: Change CTI_ to COI_.
7350         * optabs.c: Ditto.
7351
7352 2005-08-19  James E Wilson  <wilson@specifix.com>
7353
7354         * builtins.c (expand_builtin_return_addr): Set
7355         current_function_accesses_prior_frames when count != 0.  Use
7356         frame_pointer_rtx when count == 0.
7357         * function.h (struct function): Add accesses_prior_frames field.
7358         (current_function_accesses_prior_frames): Define.
7359         * reload1.c (init_elim_table): Check
7360         current_function_accesses_prior_frames.
7361         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7362
7363 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7364
7365         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7366         indicator.  Return true if the flowgraph changed during
7367         cleanup.
7368
7369 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7370
7371         PR 23476
7372         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7373         conditional expression before testing its value.
7374
7375 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7376
7377         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7378
7379 2005-08-19  Devang Patel  <dpatel@apple.com>
7380
7381         PR tree-optimization/23048
7382         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7383         third parameter. Check whether latch is dominated by exit
7384         block or not.
7385         (if_convertible_loop_p): Supply exit block itself to
7386         if_convertible_bb_p.
7387
7388 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7389
7390         PR target/23473
7391         * arm.md (arm_load_pic_register): Change argument to the mask of
7392         saved registers.  Call thumb_find_work_register if we need a
7393         scratch register on Thumb.
7394         (arm_expand_prologue): Pass empty register set to
7395         arm_load_pic_register.
7396         (thumb_expand_prologue): Pass live_regs_mask directly to
7397         arm_load_pic_register.
7398         * arm-protos.h (arm_load_pic_register): Update prototype.
7399
7400 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7401
7402         * sh.c (find_sole_member): New function.
7403         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7404         if the record's alignment is larger than the size of its only member.
7405
7406 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7407
7408         PR target/23436
7409         * arm.c (thumb_legitimize_reload_address): New function.
7410         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7411         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7412
7413 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7414
7415         * config/crx/crx.c: Implement crx_decompose_address. Reject
7416         symbolic displacements since CRX register relative adressing
7417         mode can't handle unsigned 32-bit values as displacements.
7418         * config/crx/crx.h: Simplify definitions, remove redundant
7419         parenthesis and obsolete macros.
7420         * config/crx/crx.opt: Add new switch for debugging addresses.
7421         * config/crx/crx-protos.h: Add new declarations for above.
7422
7423 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7424
7425         PR middle-end/20624
7426         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7427         looking past it.
7428
7429 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7430
7431         * collect2.c (dup2): Delete.
7432         * configure.ac: Don't check for dup2.
7433
7434         * config.in, configure: Regenerate.
7435
7436 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7437
7438         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7439         record with the type of its only member.
7440
7441 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7442
7443         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7444         define_insn_and_split.
7445         (plus_ltu<mode>_compare): Same.
7446         (gtu<mode>_compare): Same.
7447         (plus_gtu<mode>_compare): Same.
7448
7449 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7450
7451         PR tree-optimization/22228
7452         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7453         todo_flags_start.
7454         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7455         are recorded in vect_vnames_to_rename for renaming.
7456         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7457         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7458         in vect_vnames_to_rename.
7459         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7460         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7461
7462 2005-08-18  Jan Hubicka  <jh@suse.cz>
7463
7464         PR c++/22034
7465         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7466         info only for local statics, not for member variables.
7467
7468 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7469
7470         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7471
7472 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7473
7474         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7475
7476 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7477
7478         PR middle-end/16045
7479         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7480
7481 2005-08-17  James E Wilson  <wilson@specifix.com>
7482
7483         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7484         array size check.
7485
7486 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7487
7488         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7489         (leu<mode>_compare): Same.
7490         (plus_leu<mode>): Same.
7491         (neg_leu<mode>): Same.
7492         (and_neg_leu<mode): Same.
7493         (ltu<mode>_compare): Same.
7494         (plus_ltu<mode>): Same.
7495         (geu<mode>): Same.
7496         (geu<mode>_compare): Same.
7497         (plus_geu<mode>): Same.
7498         (neg_geu<mode>): Same.
7499         (and_neg_geu<mode>): Same.
7500         (plus_gt<mode>): Same.
7501         (gtu<mode>_compare): Same.
7502         (plus_gtu<mode>): Same.
7503
7504 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7505
7506         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7507         Move call_table_data to end.  Delete spurious .text.
7508         (callt_save_all_interrupt): Fix comment typo.
7509
7510 2005-08-17  James E Wilson  <wilson@specifix.com>
7511             Kevin Winchester  <winchester@amirix.com>
7512
7513         PR target/21684
7514         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7515
7516 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7517
7518         PR target/23268
7519         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7520         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7521
7522 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7523
7524         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7525         record with the type of its only member if the modes don't match.
7526
7527         * varasm.c (decode_reg_name): Skip empty additional register names.
7528
7529 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7530
7531         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7532         lsm_tmp_name_length): New.
7533         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7534         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7535
7536 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7537             Andreas Krebbel  <krebbel1@de.ibm.com>
7538
7539         * config.gcc: Added z9-109 switch.
7540         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7541         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7542         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7543         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7544         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7545         for "z9_109" cpu attribute.
7546         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7547         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7548         (s390_handle_arch_option): Added z9-109 switch.
7549         (override_options): Set respective cost function for z9-109.
7550         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7551         (legitimate_reload_constant_p): Accept extended immediates.
7552         (print_operand): Three new output modifiers added: k, m and o.
7553         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7554         (s390_output_mi_thunk): Use extended immediate when possible.
7555         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7556         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7557         (CONSTRAINT_LEN): Added length of O constraint.
7558         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7559         * config/s390/s390.md ("cpu"): New value z9_109 added.
7560         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7561         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7562         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7563         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7564         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7565         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7566         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7567         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7568         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7569         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7570         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7571         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7572         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7573         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7574         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7575         immediates.
7576         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7577         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7578         insns for TARGET_EXTIMM.
7579
7580 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7581
7582         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7583
7584 2005-08-17  Nick Clifton  <nickc@redhat.com>
7585
7586         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7587         Call default_encode_section_info.
7588
7589 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7590
7591         PR tree-optimization/21574
7592         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7593         constant, return CONSTANT.
7594         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7595         (ccp_fold, visit_assignment): Likewise.
7596         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7597
7598 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7599
7600         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7601         fold_buildN instead of buildN then fold_initializer or fold.
7602         (build_unary_op): Likewise.
7603         (build_binary_op): Likewise.
7604         * fold-const.c (fold_initializer): Remove.
7605         (fold_build1_initializer): New function.
7606         (fold_build2_initializer): New function.
7607         (fold_build3_initializer): New function.
7608         * tree.h (fold_initializer): Remove.
7609         (fold_build1_initializer): New function.
7610         (fold_build2_initializer): New function.
7611         (fold_build3_initializer): New function.
7612
7613 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7614
7615         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7616         (try_move_mult_to_index): Call fold_build2 instead of build2.
7617         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7618         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7619         fold_binary_to_constant.
7620         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7621         fold (build.
7622         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7623         check if A == gcd (A, B).  Remove TYPE argument.
7624         (analyze_offset) Use fold_build2 instead of fold (build.
7625         (create_data_ref): Likewise.
7626         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7627         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7628         then fold.
7629
7630 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7631
7632         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7633         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7634
7635 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7636
7637         PR tree-opt/23402
7638         * gimplify.c (zero_sized_type): New function.
7639         (gimplify_modify_expr_rhs): If we have a zero sized type,
7640         replace the statement with an empty statement.
7641
7642 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7643
7644         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7645         fxsave.
7646
7647 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7648
7649         * doc/tm.texi (Label Output): Correct typo.
7650
7651 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7652
7653         PR target/23376
7654         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7655         force_operand will work later on using have_insn_for.
7656
7657 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7658
7659         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7660
7661 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7662
7663         PR c++/23337
7664         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7665         vector type, don't try to construct it element by element.  Add an
7666         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7667
7668 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7669
7670         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7671
7672 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7673
7674         * doc/invoke.texi (Precompiled Headers): Document some more options
7675         which are known to be safe.
7676
7677 2005-08-16  James E Wilson  <wilson@specifix.com>
7678
7679         PR tree-optimization/21105
7680         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7681         TREE_OVERFLOW check.
7682
7683 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7684
7685         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7686         (neg_ltu<mode>): Same.
7687         (gtu<mode>): Same.
7688         (neg_gtu<mode>): Same.
7689
7690 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7691
7692         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7693         (fold_builtin_isdigit): Use fold_buildN.
7694         (build_function_call_expr): Likewise.
7695         * c-typeck.c (c_finish_loop): Likewise.
7696
7697 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7698             Richard Shann <rshann@superh.com>
7699
7700         PR middle-end/20396:
7701         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7702
7703 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7704
7705         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7706
7707 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7708
7709         PR target/23355
7710         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7711         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7712         must be saved.
7713
7714 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7715
7716         PR middle-end/23369
7717         * fold-const.c (build_range_check): Disable optimization for function
7718         pointer expressions on targets that require function pointer
7719         canonicalization.
7720
7721 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7722
7723         * simplify-rtx.c (simplify_const_relational_operation): When
7724         extracting arguments of a COMPARE, recompute the mode as well.
7725
7726 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7727
7728         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7729
7730 2005-08-15  DJ Delorie  <dj@redhat.com>
7731
7732         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7733         the stack.
7734         (movsi_splittable): Allow, but split, moves to the stack.
7735         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7736         stack.
7737
7738 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7739
7740         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7741         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7742         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7743
7744         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7745         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7746         Delete HOST_PTR_PRINTF.
7747
7748         * configure, config.in: Regenerate.
7749
7750 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7751
7752         * config/rs6000/rs6000.md (QHSI): New mode macro.
7753         (wd): Extend mode attr for QImode and HImode
7754         (dbits): New mode attr.
7755         (zero_extend<mode>di2): Convert to mode macro.
7756
7757 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7758
7759         PR target/21841
7760         * doc/invoke.texi (-mgnu-ld): Update description.
7761         (-mhp-ld): Ditto.
7762
7763 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7764
7765         PR 23391
7766         * Makefile.in (tree-chrec.o): Depends on real.h.
7767         * tree-chrec.c: Include real.h.
7768         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7769         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7770         * tree-scalar-evolution.c (add_to_evolution_1,
7771         interpret_rhs_modify_expr): Ditto.
7772
7773 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7774
7775         PR 23386
7776         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7777         step is negative compute the estimation from init downwards to zero.
7778
7779 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7780
7781         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7782
7783 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7784
7785         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7786         constraint.
7787         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7788         Accept double-word constants that can be split.
7789         * config/s390/s390.md ("movti"): Use 'P' constraint.
7790         ("*movdi_31", "*movdf_31"): Likewise.
7791
7792 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7793
7794         Fix PR tree-optimization/22615
7795
7796         * tree-ssa-structalias.c (solution_set_add): Handle
7797         first_vi_for_offset returning NULL.
7798         (do_da_constraint): Ditto.
7799         (do_sd_constraint): Ditto.
7800         (do_ds_constraint): Ditto
7801         (find_func_aliases): Ditto.
7802         (build_constraint_graph): RHS is allowed be ANYTHING.
7803         (first_vi_for_offset): Return NULL if we couldn't find anything at
7804         the offset.
7805
7806 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7807
7808         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7809         over memory as first operand.
7810
7811 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7812
7813         PR target/23360
7814         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7815         available for setting it.
7816
7817 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7818
7819         PR tree-optimization/23320
7820         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7821         data-refs' types instead of base object nullness. Add check for
7822         pointer type data-refs before first location comparison. Remove
7823         assert.
7824
7825 2005-08-14  Andreas Schwab  <schwab@suse.de>
7826
7827         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7828
7829 2005-08-13  James E Wilson  <wilson@specifix.com>
7830
7831         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7832         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7833         -fstack-protector-all, --param ssp-buffer-size): Document.
7834         (-Wvariadic-macros): Alphabetize.
7835         (-fsched-stalled-insns-dep): Add missing 'f'.
7836
7837         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7838         macros.
7839
7840 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7841
7842         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7843         or indirect address operand.
7844         (EXTRA_ADDRESS_CONSTRAINT): New.
7845         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7846
7847 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7848
7849         PR tree-optimization/22236
7850         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7851         successors and predecessors.
7852         * tree-chrec.c (chrec_convert): Before converting, check that
7853         sequences don't wrap.
7854         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7855         (analyze_array): Extern.
7856         (find_data_references_in_loop): Remove call to
7857         compute_estimated_nb_iterations.
7858         * tree-data-ref.h (analyze_array): Declared.
7859         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7860         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7861         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7862         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7863         condition.
7864         * tree-ssa-loop-ivcanon.c: Fix documentation.
7865         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7866         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7867         (infer_loop_bounds_from_undefined): New.
7868         (estimate_numbers_of_iterations_loop): Use
7869         infer_loop_bounds_from_undefined.
7870         (used_in_pointer_arithmetic_p): New.
7871         (scev_probably_wraps_p): Pass an extra parameter.  Call
7872         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7873         (convert_step): Fix documentation.
7874         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7875         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7876         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7877         scev_probably_wraps_p.
7878
7879 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7880
7881         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7882         (s390_register_info): Ignore clobbered_regs information for fixed
7883         registers, and only fixed registers.
7884         (s390_init_frame_layout): Remove redundant call.
7885
7886 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7887
7888         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7889         description of -Wold-style-casts.
7890
7891 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7892             Jakub Jelinek  <jakub@redhat.com>
7893
7894         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7895         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7896         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7897         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7898         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7899         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7900         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7901         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7902         ("stack_protect_set", "stack_protect_test"): New expanders.
7903         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7904         "stack_protect_testdi"): New insn definitions.
7905
7906 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7907
7908         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7909
7910 2005-08-12  Paul Brook  <paul@codesourcery.com>
7911
7912         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7913
7914 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7915
7916         * config/s390/predicates.md (setmem_operand): New predicate.
7917         (shift_count_operand): Accept ANDs with special constants as
7918         operand.
7919         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7920         with special constants.
7921         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7922         shift_count_operand with setmem_operand.
7923
7924 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7925
7926         * config/s390/s390.c (s390_extract_part, s390_single_part):
7927         Type cast added.
7928         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7929         (s390_output_mi_thunk): Don't use lg on 31 bit.
7930         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7931         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7932
7933 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7934
7935         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7936         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7937         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7938         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7939         with one of the new macros.
7940
7941 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7942
7943         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7944         Don't set save_return_addr_p.
7945         (s390_register_info): Make clobbered_regs not depending on
7946         save_return_addr_p.
7947
7948 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7949
7950         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7951         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7952
7953 2005-08-11  James E. Wilson  <wilson@specifix.com>
7954
7955         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7956
7957 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7958
7959         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7960         locations gathered by var-tracking in single entry loc_list
7961         over loc_descriptor_from_tree.
7962
7963         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7964         pass it down to loc_descriptor.
7965         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7966         (containing_function_has_frame_base): Move earlier in the file.
7967         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7968         instead of always assuming fbreg can't be used.
7969
7970 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7971
7972         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7973         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7974         Accept address wrapped in AND for Altivec.
7975         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7976         Strip AND wrapping offset address for Altivec.
7977
7978 2005-08-11  Richard Henderson  <rth@redhat.com>
7979
7980         PR middle-end/23312
7981         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7982         before using TYPE_IS_SIZETYPE.
7983
7984 2005-08-11  Richard Henderson  <rth@redhat.com>
7985
7986         PR target/22225
7987         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7988         insn types not present on ev4.
7989         (alphaev5_insn_pipe): Similarly.
7990
7991 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7992
7993         PR target/23250
7994         * arm.c (arm_override_options): If the user has selected callee-super-
7995         interworking, then enable normal interworking.
7996
7997 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7998
7999         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8000         redefinition.
8001
8002 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8003
8004         * doc/rtl.texi: Fix two typos.
8005
8006 2005-08-11  Richard Guenther  <rguenther@suse.de>
8007
8008         PR target/23289
8009         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8010         cases where we call to/from functions returning void.
8011
8012 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8013
8014         PR c++/23225
8015         * tree.c (build_pointer_type_for_mode): Robustify.
8016
8017 2005-08-10  James E Wilson  <wilson@specifix.com>
8018
8019         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8020         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8021
8022         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8023         "cum->".
8024
8025 2005-08-10  Eric Christopher  <echristo@apple.com>
8026
8027         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8028         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8029         V2DFmode.
8030
8031 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8032
8033         PR target/21887
8034         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8035         for the high part when generating dynamic-no-pic code.
8036
8037 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8038
8039         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8040         (x86_64-*-linux*): Likewise.
8041
8042         * config/i386/crtfastmath.c: New file.
8043         * config/i386/t-crtfm: Likewise.
8044
8045         * config/i386/linux.h (ENDFILE_SPEC): New.
8046         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8047
8048         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8049         crtfastmath.o.
8050
8051 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8052
8053         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8054         (vec_shl, vec_shr): Document new operations.
8055         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8056
8057 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8058
8059         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8060         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8061         change predicate to indexed_or_indirect_address.
8062
8063 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8064
8065         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8066         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8067         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8068         and __aeabi_uwrite8.
8069         * config/arm/unaligned-funcs.c: New file.
8070         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8071
8072 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8073
8074         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8075         Add dump.
8076         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8077         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8078         Add dump.
8079         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8080         * final.c (pass_shorten_branches): Add dump.
8081         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8082         (pass_life): Rename dump.
8083         (rest_of_handle_flow2): Remove initial verify_flow_info.
8084         * function.c (pass_instantiate_virtual_regs): Add dump.
8085         * integrate.c (pass_initial_value_sets): Add dump.
8086         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8087         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8088         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8089         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8090         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8091         gate_rtl_unrool_and_peel_loops): New.
8092         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8093         rtl_doloop): Do not look at flags.
8094         * mode-switching.c (pass_mode_switching): Add dump.
8095         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8096         pass_split_before_regstack): Add dump.
8097         * regmove.c (pass_stack_adjustments): Add dump.
8098         * tree-optimize.c (pass_fixup_cfg): Add dump.
8099
8100 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8101
8102         PR 23309
8103         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8104         deciding which instruction sequence to use.
8105
8106 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8107
8108         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8109         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8110
8111 2005-08-09  Richard Guenther  <rguenther@suse.de>
8112
8113         * c-common.c (builtin_function_2): Remove.
8114         (def_builtin_1): New function.
8115         (c_common_nodes_and_builtins): Use def_builtin_1 to
8116         build builtin functions.
8117
8118 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8119
8120         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8121         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8122         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8123         Visual DSP.
8124
8125 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8126
8127         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8128         fold_binary instead of fold_build2 since we don't care about the
8129         resulting tree.
8130         (loop_niter_by_eval): Likewise.
8131         (compare_trees): Likewise.
8132         (proved_non_wrapping_p): Likewise.
8133
8134 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8135
8136         PR c/23161
8137         PR c/23165
8138         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8139         if the if is really empty.
8140
8141 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8142
8143         PR tree-optimization/23234
8144         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8145         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8146         argument of the new enum.
8147         (execute_cse_reciprocals): Add reciprocals for function arguments
8148         on the unique successor edge of the entry block.  Update other calls
8149         to execute_cse_reciprocals_1.
8150
8151 2005-08-08  Richard Henderson  <rth@redhat.com>
8152
8153         PR 22439
8154         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8155
8156 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8157
8158         * expr.c (write_complex_part): Return after handling MEM.
8159
8160 2005-08-08  Josh Conner  <jconner@apple.com>
8161
8162         PR rtl-optimization/23241
8163         * combine.c (simplify_comparison): Fix error in determining
8164         whether to lift a subreg from comparison.
8165
8166 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8167
8168         PR target/18506
8169         * config/rs6000/altivec.md (vec_init<mode>): New.
8170         (vec_set<mode>): New.
8171         (vec_extract<mode>): New.
8172         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8173         (rs6000_expand_vector_set): New.
8174         (rs6000_expand_vector_extract): New.
8175         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8176         for Altivec modes before reload.
8177         (altivec_expand_vec_init_builtin): New.
8178         (get_element_number): New.
8179         (altivec_expand_vec_set_builtin): New.
8180         (altivec_expand_vec_ext_builtin): New.
8181         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8182         builtins.
8183         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8184         builtins.
8185         * config/rs6000/rs6000.h (rs6000_builtins): Add
8186         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8187         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8188         * config/rs6000/rs6000-protos.h: Declare new functions.
8189
8190 2005-08-08  Jan Hubicka  <jh@suse.cz>
8191
8192         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8193         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8194         * i386.md (movdi*): Use pic_32bit_operand.
8195         * predicates.md (pic_32bit_operand): New.
8196
8197 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8198
8199         PR c++/21166
8200         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8201
8202 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8203
8204         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8205         (test_for_singularity): Use fold_build2.
8206
8207 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8208
8209         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8210
8211 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8212
8213         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8214         (COMMON_ASM_OP) Define.
8215         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8216         (ix86_encode_section_info): Likewise.
8217         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8218         SUBTARGET_ENCODE_SECTION_INFO.
8219
8220 2005-08-06  Richard Henderson  <rth@redhat.com>
8221
8222         PR 21894
8223         * tree-nested.c (convert_local_reference): Save and restore val_only
8224         around component_ref and friends.  Clear walk_subtrees by default.
8225
8226 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8227
8228         PR 21366
8229         * gcc.c (process_command): Check the argument to -b has a dash.
8230         * doc/invoke.texi: Update -b and -V docs.
8231
8232 2005-08-06  James E Wilson  <wilson@specifix.com>
8233
8234         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8235
8236 2005-08-06  Michael Matz  <matz@suse.de>
8237
8238         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8239         member only if only one insn is associated with the value.
8240
8241 2005-08-06  Nick Clifton  <nickc@redhat.com>
8242
8243         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8244         New define.
8245         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8246         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8247         Check symbol flags instead of symbol name mangling.
8248         (xstormy16_asm_output_aligned_common): Likewise.  Also
8249         simplify code since the bss100_section cass is the only case
8250         where the below100 code will be triggered.
8251         (xstormy16_encode_section_info): Encode below100 attribute
8252         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8253         the name.
8254         (xstormy16_strip_name_encoding): Delete - this function is no
8255         longer needed.
8256         (TARGET_STRIP_NAME_ENCODING): Undefine.
8257         * config/stormy16/stormy16-protos.h: Delete prototype for
8258         xstormy16_strip_name_encoding.
8259
8260 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8261
8262         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8263         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8264         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8265         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8266         config/alpha/predicates.md, config/arc/arc.h,
8267         config/arm/arm.h, config/arm/ieee754-df.S,
8268         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8269         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8270         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8271         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8272         config/m68hc11/m68hc11.h, config/mips/mips.c,
8273         config/mips/mips.h, config/mips/openbsd.h,
8274         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8275         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8276         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8277         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8278         config/sparc/linux.h, config/sparc/linux64.h,
8279         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8280         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8281         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8282         typos.  Follow spelling conventions.
8283
8284 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8285
8286         PR c/23113
8287         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8288         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8289         specially.  Check for side effects only for COND_EXPR.
8290         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8291         return with TREE_NO_WARNING.
8292
8293 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8294
8295         PR rtl-optimization/23233
8296         * loop.c (combine_movables): Require the modes to be the same.
8297         (move_movables): Remove handling of cases where the replacement
8298         had a different mode to the original.
8299
8300 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8301
8302         PR tree-optimization/23128
8303         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8304         subtraction wrap, and set TREE_OVERFLOW if they do.
8305
8306 2005-08-05  Richard Henderson  <rth@redhat.com>
8307
8308         PR 21728
8309         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8310         FORCED_LABEL labels.
8311
8312 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8313
8314         PR middle-end/23135
8315         * reload.c (find_reloads_subreg_address): Pass down TYPE
8316         unchanged.  Change all callers except find_reloads_toplev.
8317
8318 2005-08-05  Michael Matz  <matz@suse.de>
8319
8320         * genattrtab.c (current_alternative_string): Remove.
8321         (SIMPLIFY_ALTERNATIVE): Ditto.
8322         (attr_alt_bit_p): Ditto.
8323         (alternative_name): Make const char *.
8324         (evaluate_eq_attr): Remove use of above things.
8325         (simplify_test_exp): Ditto.
8326         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8327         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8328
8329 2005-08-04  James E Wilson  <wilson@specifix.com>
8330
8331         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8332         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8333         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8334         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8335         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8336
8337 2005-08-04  Richard Henderson  <rth@redhat.com>
8338
8339         PR 21529
8340         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8341         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8342         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8343         if we'd have to instantiate too many members.
8344
8345 2005-08-04  Richard Henderson  <rth@redhat.com>
8346
8347         PR 21291
8348         * tree-outof-ssa.c (coalesce_asm_operands): New.
8349         (coalesce_ssa_name): Use it.  Split out ...
8350         (coalesce_phi_operands, coalesce_result_decls): ... these.
8351
8352 2005-08-04  Paul Brook  <paul@codesourcery.com>
8353
8354         * read-rtl.c (read_quoted_string): Break if EOF.
8355
8356 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8357
8358         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8359         (fold_build2): Likewise.
8360         (fold_build3): Likewise.
8361         (fold_build1_stat): New function prototype.
8362         (fold_build2_stat): Likewise.
8363         (fold_build3_stat): Likewise.
8364         * fold-const.c (fold_build1): Rename to ..
8365         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8366         through to build1_stat.
8367         (fold_build2): Rename to ..
8368         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8369         through to build2_stat.
8370         (fold_build3): Rename to ..
8371         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8372         through to build3_stat.
8373
8374 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8375             Ian Lance Taylor  <ian@airs.com>
8376
8377         * function.c (assign_stack_local_1): Do not correct stack slot
8378         address if allocation size is smaller than mode size.
8379
8380 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8381
8382         PR 22037
8383         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8384         (tree_merge_blocks): Propagate anything allowed by
8385         may_propagate_copy.
8386         Clarify documentation.
8387         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8388         SSA form, schedule an update if necessary.
8389
8390 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8391
8392         * doc/install.texi (Binaries): Remove broken link to
8393         Sinix/Reliant Unix binaries.
8394
8395 2005-08-03  Richard Henderson  <rth@redhat.com>
8396
8397         PR 23221
8398         * function.c (stack_protect_epilogue): Export.
8399         * tree.h (stack_protect_epilogue): Declare.
8400         * calls.c (expand_call): Call it.
8401
8402 2005-08-03  Eric Christopher  <echristo@apple.com>
8403
8404         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8405         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8406         spec.
8407
8408 2005-08-04  Jan Hubicka  <jh@suse.cz>
8409
8410         * profile.c (branch_prob): Split edges with goto locus on them
8411         to get proper line counts.
8412         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8413
8414 2005-08-03  Paul Brook  <paul@codesourcery.com>
8415
8416         * function.c (assign_parms): Round current_function_args_size
8417         to PARM_BOUNDARY, not STACK_BOUNDARY.
8418
8419 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8420
8421         * config/i386/i386.c (x86_elf_aligned_common)
8422         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8423
8424 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8425
8426         PR tree-optimization/23157
8427         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8428         before emitting them.
8429
8430 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8431
8432         PR tree-optimization/19899
8433         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8434         * tree-scalar-evolution.c: Include real.h.
8435         (add_to_evolution): Build constant -1 of correct type.
8436
8437 2005-08-03  Jan Hubicka  <jh@suse.cz>
8438
8439         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8440         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8441         profile updating for complette unrolling.
8442         * loop-unroll.c (peel_loop_completely): Use it.
8443         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8444         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8445         loops.
8446
8447 2005-08-03  Paul Brook  <paul@codesourcery.com>
8448
8449         * combine.c (can_change_dest_mode): New function.
8450         (try_combine, simplify_set): Use it.
8451
8452 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8453
8454         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8455         TFmode to BLKmode.
8456
8457 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8458
8459         * doc/install.texi (Specific): Adjust link to openavr.org.
8460         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8461         (Binaries): Adjust HP-UX Porting Center link.
8462         (Binaries): Adjust Free Software Foundation ordering link.
8463
8464 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8465
8466         * convert.c (convert_to_integer): Use fold_build1 instead of
8467         build1 when converting an integer to an integer.
8468
8469 2005-08-02  Richard Henderson  <rth@redhat.com>
8470
8471         * combine.c (combine_instructions): Don't use reg_equal/equiv
8472         results if the mode doesn't match.
8473
8474 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8475
8476         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8477         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8478
8479 2005-08-02  Richard Henderson  <rth@redhat.com>
8480
8481         PR 23196
8482         * explow.c (memory_address): Remove special-case for
8483         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8484
8485 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8486
8487         PR 23164
8488         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8489         number of calls to cleanup_tree_cfg_1.
8490
8491 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8492
8493         * doc/invoke.texi: document file extensions .F90 and .F95
8494
8495 2005-08-02  Richard Guenther  <rguenther@suse.de>
8496
8497         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8498         positive if its first argument is positive.
8499
8500 2005-08-02  Richard Guenther  <rguenther@suse.de>
8501
8502         PR tree-optimization/23177
8503         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8504         on TMR_TAG.
8505
8506 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8507
8508         PR tree-optimization/23129
8509         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8510         varying for divisions with anti-ranges.
8511
8512 2005-08-02  Jan Hubicka  <jh@suse.cz>
8513
8514         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8515         * tree-ssa-threadupdate.c (thread_block): Add it here.
8516
8517 2005-08-01  James E Wilson  <wilson@specifix.com>
8518
8519         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8520         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8521         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8522         New.
8523         * config/mips/predicates.md (const_call_insn_operand): Add check for
8524         SYMBOL_REF_LONG_CALL_P.
8525         * doc/extend.texi (long_call): Document the new attribute.
8526
8527 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8528             Richard Henderson  <rth@redhat.com>
8529
8530         * Makefile.in (RTL_BASE_H): Add real.h.
8531         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8532         instead of memcpy.
8533         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8534         directly.
8535         * rtl.c (rtl_check_failed_code_mode): New.
8536         * rtl.h (struct rtx_def): Add u.rv.
8537         (XCMWINT, XCNMPRV): New.
8538         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8539         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8540
8541 2005-08-01  Richard Henderson  <rth@redhat.com>
8542
8543         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8544         with auto-inc codes.
8545
8546         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8547
8548 2005-08-01  Jan Hubicka  <jh@suse.cz>
8549
8550         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8551         * i386.c: Include dwarf2.h
8552         (asm_preferred_eh_data_format): New.
8553         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8554
8555 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8556
8557         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8558         randomize_va_space for virtual address randomization control.
8559
8560 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8561
8562         * common.opt (flag_ipa_cp): Put in right place to maintain
8563         alphabetic sort.
8564
8565 2005-08-01  Jan Hubicka  <jh@suse.cz>
8566
8567         * profile.c (compute_value_histograms): Fix thinko.
8568         * value-prof.c: Include toplev.h
8569         (check_counter): New function.
8570         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8571         tree_mod_subtract_transform): Add sanity check.
8572
8573 2005-08-01  Richard Guenther  <rguenther@suse.de>
8574
8575         PR tree-optimization/23133
8576         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8577         current functions parameter decls to find defs to cse
8578         reciprocals of.
8579
8580 2005-08-01  Richard Guenther  <rguenther@suse.de>
8581
8582         PR tree-optimization/23109
8583         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8584         If trapping math is in effect, use post-dominator information
8585         to check if we'd in any case reach a trapping point before
8586         doing the reciprocal insertion.
8587         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8588         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8589         expressions are invariant only if trapping math is not in effect.
8590
8591 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8592
8593         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8594         cgraph_function_versioning): New declarations.
8595         * cgraphunit.c: Add include to ipa-prop.h.
8596         (update_call_expr, cgraph_copy_node_for_versioning,
8597         cgraph_function_versioning): New functions.
8598         * integrate.c (copy_decl_for_inlining): Remove.
8599         * ipa-prop.h (ipa_replace_map): New struct.
8600         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8601         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8602         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8603         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8604         ipcp_iterate_stage, ipcp_method_scale_print,
8605         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8606         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8607         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8608         ipcp_update_bb_counts, ipcp_update_profiling,
8609         ipcp_update_edges_counts): New functions.
8610         (ipcp_method_cval_init): Remove restriction regarding local methods.
8611         (ipcp_init_stage): Add ipcp_method_compute_scale.
8612         (ipcp_insert_stage): Add versioning.
8613         (ipcp_structures_print): Add ipcp_method_scale_print.
8614         (ipcp_driver): Dump profiling info.
8615         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8616         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8617         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8618         (struct inline_data): Add versioning_p, ipa_info, new fields.
8619         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8620         declare_return_variable): Replace calls to copy_decl_for_inlining with
8621         copy_decl_for_dup.
8622         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8623         versioning support.
8624         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8625         Add argument VERSIONING.
8626         (copy_arguments_for_versioning, copy_static_chain,
8627         function_versionable_p, tree_versionable_function_p,
8628         tree_function_versioning, replace_ref_tree): New functions.
8629         * tree-inline.h: Include varray.h.
8630         (tree_versionable_function_p,  tree_function_versioning,
8631         tree copy_decl_for_dup): New declarations.
8632
8633 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8634
8635         * ipa-cp.c: New file. Contains IPCP specific functionality.
8636         * ipa-prop.h: New file. Contains structures/definitions that can be
8637         used by several interprocedural data flow optimizations (and also IPCP).
8638         * ipa-prop.c: New file.
8639         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8640         * common.opt: Add ipa-cp flag.
8641         * timevar.def: Add IPCP optimization.
8642         * tree-optimize.c (init_tree_optimization_passes): Schedule
8643         pass_ipa_cp.
8644         * tree-pass.h (pass_ipa_cp): Declare.
8645
8646 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8647
8648         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8649         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8650         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8651         config/i386/i386.c, config/mips/mips.h,
8652         config/rs6000/rs6000.h, config/sh/sh.c,
8653         config/stormy16/stormy16.c: Fix comment typos.
8654
8655 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8656
8657         PR c/22311
8658         * c-typeck.c (build_binary_op): Use common_type wrapper on
8659         shortened types.
8660         (common_type): Update comment.
8661
8662 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8663
8664         PR target/23095
8665         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8666         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8667         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8668
8669 2005-07-31  Jan Hubicka  <jh@suse.cz>
8670
8671         * pretty-print.h (pp_widest_integer): New macro.
8672         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8673         counts.
8674
8675 2005-07-31  Jan Hubicka  <jh@suse.cz>
8676
8677         * output.h (enum section_category): Export from varasm.c
8678         (categorize_decl_for_section): Likewise.
8679         * varasm.c (enum section_category): Kill.
8680         (categorize_decl_for_section): Make global.
8681         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8682         Declare.
8683         * i386.c (ix86_section_threshold): New static variable.
8684         (ix86_in_large_data_p, ix86_encode_section_info,
8685         x86_64_elf_unique_section,
8686         x86_64_elf_select_section): New functions.
8687         (TARGET_ENCODE_SECTION_INFO): Define
8688         (override_options): Enable medium model for PIC.
8689         (ix86_expand_prologue): Expand gen_set_got_rex64.
8690         (legitimate_constant_p): Handle new UNSPECs.
8691         (legitimate_pic_address_disp_p): Likewise.
8692         (legitimize_pic_address): Lower MEDIUM model addressing.
8693         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8694         (enum cmodel): Add MEDIUM_PIC.
8695         (SYMBOL_REF_FAR_ADDR_P): New macro.
8696         (SYMBOL_FLAG_FAR_ADDR): New flag.
8697         * i386.md (movdi): Support medium model.
8698         (set_got_rex64): New pattern.
8699         * i386.opt (mlarge-data-threshold): New flag.
8700         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8701         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8702         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8703         TARGET_ASM_UNIQUE_SECTION): New.
8704
8705         * invoke.texi (-mlarge_data_threshold): Document
8706
8707 2005-07-31  Jan Hubicka  <jh@suse.cz>
8708
8709         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8710         (coalesce_vars): Likewise.
8711         * tree-ssa-live.c (coalesce_cost): New.
8712         (build_tree_conflict_graph): Use coalesce_cost.
8713         * tree-ssa-live.h (coalesce_cost): Declare.
8714
8715 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8716
8717         * arm.md (all peepholes for post-increment operations): Delete.
8718         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8719         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8720         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8721         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8722         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8723
8724 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8725
8726         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8727         non-integral types.
8728
8729 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8730
8731         PR target/22582
8732         * doc/invoke.texi: Document -rdynamic.
8733
8734 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8735
8736         PR c/23143
8737         * c-parser.c (c_parser_parms_list_declarator): Call
8738         mark_forward_parm_decls.
8739         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8740         decls with visibility structure.
8741
8742 2005-07-30  Paul Brook  <paul@codesourcery.com>
8743
8744         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8745
8746 2005-07-30  Paul Brook  <paul@codesourcery.com>
8747
8748         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8749         prototype.
8750         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8751         value for mode.
8752         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8753
8754 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8755
8756         PR c/529
8757         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8758         nested function declarators.
8759         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8760         (grokparms): Call warn_if_shadowing for parameters used within the
8761         parameter list.
8762         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8763         not used within the parameter list.
8764         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8765
8766 2005-07-30  Jan Hubicka  <jh@suse.cz>
8767
8768         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8769         * i386.c (ix86_fixup_binary_operands): Likewise.
8770         (ix86_expand_unary_operator): Likewise.
8771         (ix86_expand_fp_absneg_operator): Likewise.
8772         * optabs.c (expand_vec_cond_expr): Validate dest.
8773
8774 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8775
8776         PR c/21720
8777         * real.c (real_from_string): Also set last bit if there is a
8778         nonzero hex digit beyond GCC's internal precision after ".".
8779
8780 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8781
8782         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8783         define_constants.  Change duplicate values to unassigned numbers.
8784         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8785         (*altivec_vspltsf): New.
8786         (altivec_vperm_v4sf): Delete.
8787         (altivec_vperm_<mode>): Use mode macro V.
8788         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8789         (altivec_predicate_v4sf): Delete.
8790         (altivec_predicate_<mode>): Use mode macro V.
8791         (*altivec_lvesfx): New.
8792         (*altivec_stvesfx): New.
8793         (vec_realign_load_v4sf): Delete.
8794         (vec_realign_load_<mode>): Use mode macro V.
8795         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8796         UNSPECV_SET_VRSAVE.
8797
8798 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8799
8800         PR bootstrap/23131
8801         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8802         string.
8803         * configure: Regenerated.
8804
8805 2005-07-29  Paul Brook  <paul@codesourcery.com>
8806
8807         * doc/install.texi: Add link to GFortran binaries wiki page.
8808
8809 2005-07-29  David Ung  <davidu@mips.com>
8810
8811         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8812         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8813         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8814         * config/mips/mips.md (cpu): Add 5kf name.
8815         (includes): Includes 5k.md.
8816         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8817         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8818         -march flag.
8819
8820 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8821
8822         PR 22550
8823         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8824         (cleanup_tree_cfg): ... here.
8825         Call cleanup_tree_cfg_1 until there are no more cleanups to
8826         do.
8827
8828 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8829
8830         * tree-vrp.c (compare_range_with_value): Return true or false
8831         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8832         EQ_EXPR respectively.
8833
8834 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8835
8836         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8837         Fix comment typos.
8838
8839 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8840
8841         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8842         (tree_ssa_dominator_optimize): Increment it.
8843         (dump_dominator_optimization_stats): Print it.
8844
8845 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8846             Steven Bosscher  <stevenb@suse.de>
8847
8848         PR rtl-optimization/23117
8849         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8850         when head == tail.  Tidy comment.
8851
8852 2005-07-28  Richard Henderson  <rth@redhat.com>
8853
8854         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8855         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8856         * jump.c (rtx_renumbered_equal_p): Likewise.
8857         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8858         CONST_INT and CONST_DOUBLE.
8859         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8860         * reload.c (operands_match_p): Special case CONST_INT and
8861         CONST_DOUBLE; check mode earlier.
8862
8863 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8864
8865         PR c/22240
8866         * c-typeck.c (convert_for_assignment): Do not check
8867         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8868
8869 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8870
8871         PR c/22192
8872         * c-typeck.c (composite_type): Prefer constant size arrays to
8873         VLAs.
8874
8875 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8876
8877         PR c/21720
8878         * real.c (real_from_string): Set last bit if there is a nonzero
8879         hex digit beyond GCC's internal precision.
8880
8881 2005-07-28  Richard Henderson  <rth@redhat.com>
8882
8883         PR rtl-opt/22619
8884         * cfgcleanup.c (try_forward_edges): Watch out for end of
8885         insn chain.
8886
8887 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8888
8889         PR c/23106
8890         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8891
8892 2005-07-28  Jan Hubicka  <jh@suse.cz>
8893
8894         * Makefile.in (rtl-profile.o): Kill all traces of it.
8895         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8896         * coverage.h (rtl_coverage_counter_ref): Kill.
8897         * opts.c (flag_speculative_prefetching_set): Kill.
8898         (flag_loop_optimize_set): New.
8899         (common_handle_option): Disable loop optimizer when profiling;
8900         do not handle speculative prefetching.
8901         * passes.c (init_optimization_passes): Replace pass_profiling combo
8902         by branch_prob pass.
8903         * profile.c (compute_value_histograms): Update for simplified value
8904         profiles.
8905         (rtl_register_profile_hooks): Kill.
8906         (pass_profiling): Kill.
8907         (rest_of_handle_branch_prob): Do not profile.
8908         * toplev.c (process_options): Remove speculative prefetching.
8909         * toplev.h (flag_tree_based_profiling): Kill.
8910         * tree-profile.c (prepare_instrumented_value,
8911         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8912         tree_gen_one_value_profiler, do_tree_profiling): Update for
8913         simplified datastructures.
8914         * value-prof.c: Add comment that speculative prefetching was dropped;
8915         update rest of file for simplified datastructures.
8916         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8917         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8918         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8919         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8920         rtl_mod_subtract, gen_speculative_prefetch,
8921         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8922         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8923         (gate_handle_value_profile_transformations,
8924         rest_of_handle_value_profile_transformations,
8925         pass_value_profile_transformations): Kill.
8926         * value-prof.h (histogram_value_t): Remove IL based unions.
8927         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8928         rtl_profile_hooks): Remove hooks.
8929
8930         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8931
8932         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8933         (cgraph_clone_node): Likewise.
8934         * cgraph.h (cgraph_clone_edge): Update prototype.
8935         (cgraph_clone_node): Likewise.
8936         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8937         cgraph_clone_node.
8938         (lookup_recursive_calls): Consider profile.
8939         (cgraph_decide_recursive_inlining): Fix updating; use new
8940         probability argument; use profile.
8941         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8942         * tree-inline.c (copy_bb): Update clal of clone_edge.
8943         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8944
8945         * invoke.texi (min-inline-recursive-probability): Document.
8946
8947 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8948
8949         * doc/install.texi (Configuration): Update Valgrind homepage.
8950
8951 2005-07-28  Richard Henderson  <rth@redhat.com>
8952
8953         PR middle-end/21362
8954         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8955         labels we want to delete.
8956         (cfg_layout_merge_blocks): Likewise.
8957
8958 2005-07-28  Richard Henderson  <rth@redhat.com>
8959
8960         PR target/17692
8961         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8962         when expanding to nothing.
8963
8964 2005-07-28  Josh Conner  <jconner@apple.com>
8965
8966         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8967         (cgraph_decide_inlining_of_small_functions): Likewise.
8968
8969 2005-07-28  Josh Conner  <jconner@apple.com>
8970
8971         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8972         direction of badness if negative.
8973         (cgraph_default_inline_p): Add reason to parameters, and assign it
8974         a value.
8975         (cgraph_decide_inlining_of_small_functions): New parameter in call
8976         to cgraph_default_inline_p.
8977         (cgraph_decide_inlining_incrementally): Likewise.
8978         * cgraphunit.c (decide_is_function_needed): Likewise.
8979         * cgraph.h (cgraph_default_inline_p): Likewise.
8980
8981 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8982
8983         * builtins.c: Fix comment typo(s).
8984         * genautomata.c: Likewise.
8985         * gimplify.c: Likewise.
8986         * tree-dfa.c: Likewise.
8987         * tree-flow-inline.h: Likewise.
8988         * tree-into-ssa.c: Likewise.
8989         * tree-ssa-alias.c: Likewise.
8990         * tree-ssa-ccp.c: Likewise.
8991         * tree-ssa-copy.c: Likewise.
8992         * tree-ssa-dce.c: Likewise.
8993         * tree-ssa-dom.c: Likewise.
8994         * tree-ssa-operands.c: Likewise.
8995         * tree-tailcall.c: Likewise.
8996         * tree-vectorizer.c: Likewise.
8997         * tree-vrp.c: Likewise.
8998         * tree.c: Likewise.
8999
9000 2005-07-28  Jeff Law  <law@redhat.com>
9001
9002         * tree-vrp.c (test_for_singularity): Extracted from  ...
9003         (simplify_cond_using_ranges): Attempt to simplify a relational
9004         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9005
9006 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9007
9008         PR tree-optimization/22506
9009         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9010         phis whose argument is constant.
9011
9012 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9013
9014         PR rtl-optimization/18992
9015         Back out this patch:
9016           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9017           PR optimization/12142
9018           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9019           uses of the register in the SET_SRC.  Remove unnecessary argument.
9020
9021         Replace it with this:
9022         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9023         if flag_non_call_exceptions is set and the insn may trap, pass
9024         pc_rtx as dest for recursion.
9025         In SET_SRC part of SET case, if dest is already set, pass it down
9026         unchanged.
9027
9028 2005-07-28  Jan Hubicka  <jh@suse.cz>
9029
9030         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9031         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9032         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9033         roundoff errors.
9034         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9035         profile when available.
9036
9037 2005-07-28  Jan Beulich <jbeulich@novell.com>
9038
9039         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9040         (ia64_print_operand): Describe and handle 'X'.
9041         (ia64_register_move_cost): Also handle FP_REGS.
9042         (ia64_preferred_reload_class): Likewise.
9043         (ia64_secondary_reload_class): Likewise.
9044         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9045         it. Also check for ITANIUM_CLASS_FLDP.
9046         * config/ia64/ia64.h (FP_REGNO_P): New.
9047         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9048         (reg_class): Add FP_REGS.
9049         (REG_CLASS_NAMES): Adjust for it.
9050         (REG_CLASS_CONTENTS): Likewise.
9051         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9052         (REG_CLASS_FROM_LETTER): Handle 'x'.
9053         (CLASS_MAX_NREGS): Handle FP_REGS.
9054         (MEMORY_MOVE_COST): Likewise.
9055         * config/ia64/ia64.md (itanium_class): Add fldp.
9056         (type): Handle fldp.
9057         (movti_internal): More allowable operand combinations. Use ldfp8 when
9058         splitting unnecessary. Remove predicable attribute. Adjust
9059         itanium_class attribute.
9060         (smuldi3_highpart): Remove outdated comment.
9061         (mulditi3, umulditi3, rotlti3): New expanders.
9062         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9063         (absti2): Disabled new insn for future reference.
9064         Respective new splitters.
9065         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9066         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9067         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9068
9069 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9070
9071         PR rtl-optimization/23047
9072         * simplify-rtx.c (simplify_const_relational_operation): Respect
9073         flag_wrapv for comparisons with ABS.
9074
9075 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9076
9077         PR tree-optimization/22493
9078         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9079         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9080
9081 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9082
9083         * config/frv/frv.opt (moptimize-membar): New.
9084
9085         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9086
9087         * config/frv/frv.h: Remove machine_function definition.
9088
9089         * config/frv/frv.c (struct frv_io): New.
9090         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9091         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9092         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9093         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9094         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9095         (frv_reorg): Call frv_optimize_membar when appropriate.
9096         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9097         (frv_expand_builtin): Adjust calls accordingly.
9098         (frv_io_address_cookie): New function.
9099         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9100         load or store rather than a special insn.  Add ccnstant address and
9101         io-type operands to the membar.
9102         (frv_ifcvt_modify_tests): Unsign regno.
9103         (frv_ifcvt_modify_tests): Same.
9104
9105         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9106         UNSPEC_OPTIONAL_MEMBAR constant.
9107         (builtin_read_<mode>): Delete.
9108         (builtin_write_<mode>): Delete.
9109         ("optional_membar_<mode>"): Add operand.
9110
9111         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9112         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9113         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9114         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9115         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9116         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9117         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9118         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9119         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9120
9121 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9122
9123         * df.c (df_uses_record): Handle SCRATCH.
9124
9125 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9126
9127         PR debug/20161
9128         * passes.c (rest_of_decl_compilation): If decl is a type and
9129         we have encountered errors, don't emit debug information.
9130
9131 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9132
9133         * params.def: Fixed comment.
9134
9135 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9136
9137         PR target/19885
9138         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9139         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9140         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9141
9142 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9143
9144         PR c++/22003
9145         * varasm.c (assemble_start_function): Don't do anything that may
9146         require a CFG if the current function is a thunk.
9147
9148 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9149
9150         * doc/install.texi (Prerequisites): Mention that perl is needed
9151         to do export control in libstdc++ targetting Darwin.
9152
9153 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9154
9155         PR rtl-optimization/17808
9156         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9157         (sched_insns_conditions_mutex_p): Split out from...
9158         (add_dependence): ...here.  But don't call it from here.
9159         (add_dependence_list): Check sched_insns_conditions_mutex_p
9160         before calling add_dependence.
9161         (add_dependence_list_and_free): Likewise.
9162         (fixup_sched_groups): Likewise.
9163         (sched_analyze_1): Likewise.
9164         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9165         (sched_analyze): Likewise.
9166         (sched_analyze_insn): Likewise.
9167         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9168         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9169         dependencies on all COND_EXEC insns to jumps ending basic blocks
9170         when doing intrablock scheduling.
9171         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9172
9173 2005-07-27  Jeff Law  <law@redhat.com>
9174
9175         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9176         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9177         equivalency sets, correctly handle the case were vr0 has an
9178         equivalency set, but vr1 does not.
9179
9180 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9181
9182         PR tree-optimization/23073
9183         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9184         vect_print_dump_info before fprintf.
9185
9186 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9187
9188         PR tree-optimize/22348
9189         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9190         Fold the partial computation.
9191
9192 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9193
9194         PR tree-optimization/22325
9195         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9196         Declare.
9197         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9198         value replacement.
9199         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9200         (force_var_cost): ... this function.
9201         (compute_phi_arg_on_exit): Export.
9202
9203 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9204
9205         PR tree-optimization/20773
9206         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9207         edge.
9208
9209 2005-07-27  Richard Guenther  <rguenther@suse.de>
9210
9211         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9212         Avoid pushing again if current struct contains only
9213         fields we decomposed.
9214
9215 2005-07-27  Jan Hubicka  <jh@suse.cz>
9216
9217         PR tree-optimization/22574
9218         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9219         not available.
9220
9221         * tree-tailcall.c (decrease_profile): New function.
9222         (eliminate_tail_call): Use it.
9223
9224         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9225         visibility flags correctly in whole program mode.
9226
9227 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9228
9229         PR rtl-optimization/22472
9230         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9231
9232 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9233
9234         PR tree-optimization/22504
9235         * tree-complex.c (expand_complex_addition): Use 'code' instead
9236         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9237
9238 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9239
9240         * config.gcc (cpu_type): Add frv case.
9241         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9242         (supported_defaults): Add fr550 case.
9243
9244 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9245
9246         PR 22591
9247         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9248         whether a pointer of type T * may point to objects of type T *.
9249
9250 2005-07-26  DJ Delorie  <dj@redhat.com>
9251
9252         * configure: Regenerate.
9253
9254 2005-07-26  Dale Johannesen  <dalej@apple.com>
9255
9256         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9257
9258 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9259
9260         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9261         Clarify use of "build" in name.
9262
9263 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9264
9265         * doc/extend.texi (Raw read/write Functions): New section.
9266         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9267         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9268         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9269         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9270         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9271         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9272         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9273         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9274         * config/frv/frv.c: Add bdesc_loads global.
9275         Add bdesc_stores global.
9276         (frv_init_builtins): Add support for __builtin_{read/write}*.
9277         (frv_volatile_memref): New.
9278         (frv_expand_load_builtin): New.
9279         (frv_expand_store_builtin): New.
9280         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9281         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9282         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9283         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9284         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9285         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9286         (builtin_read_<mode>): New.
9287         (builtin_write_<mode>): New.
9288         (builtin_write64): New.
9289         (optional_membar_<mode>): New.
9290
9291 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9292
9293         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9294         (rather than units) against HOST_BITS_PER_WIDE_INT.
9295
9296 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9297
9298         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9299         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9300         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9301         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9302         FSF address.
9303
9304         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9305         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9306         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9307         comment typos.
9308         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9309
9310 2005-07-26  Richard Guenther  <rguenther@suse.de>
9311
9312         PR tree-optimization/22486
9313         * fold-const.c (fold_unary): Fold away useless component
9314         references of the form (T *)&T.x, if the address
9315         doesn't change.
9316
9317 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9318
9319         * dwarf2out.c (add_call_src_coords_attributes): New.
9320         (gen_inlined_subroutine_die): Call it.
9321         (maybe_emit_file, init_file_table): Add comments.
9322         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9323         maybe_emit_file.
9324         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9325         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9326         * tree.h (BLOCK_SOURCE_LOCATION): New.
9327         (struct tree_block): New field locus.
9328
9329 2005-07-26  Andreas Schwab  <schwab@suse.de>
9330
9331         PR rtl-optimization/23043
9332         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9333         when allocating a struct unoccr.
9334
9335 2005-07-25  Richard Henderson  <rth@redhat.com>
9336
9337         PR 22626
9338         * tree-complex.c (gate_no_optimization): True if errors.
9339         * Makefile.in (tree-complex.o): Update dependencies.
9340
9341 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9342
9343         * config/frv/predicates.md (integer_register_operand): Use
9344         GPR_AP_OR_PSEUDO_P.
9345
9346 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9347
9348         PR tree-opt/22484
9349         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9350         after fold.
9351         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9352
9353 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9354
9355         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9356         types when flag_unsafe_math_optimizations is true.
9357
9358 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9359
9360         * gcc.c (option_map): Add --sysroot.
9361         (process_command): Handle --sysroot.
9362         (display_help): Document it.
9363         * doc/cppopts.tex (-isysroot): Document.
9364         * doc/invoke.texi (--sysroot): Document.
9365         * doc/install.texi (--with-build-sysroot): Document.
9366
9367         * Makefile.in (inhibit_libc): New variable.
9368         (INHIBIT_LIBC_CFLAGS): Likewise.
9369         (LIBGCC2_CFLAGS): Include
9370         $(INHIBIT_LIBC_CFLAGS).
9371         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9372         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9373         ($(T)crtend.o): Likewise.
9374         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9375         ($(T)crtendS.o): Likewise.
9376         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9377         ($(T)crtendT.o): Likewise.
9378         (stmp-fixinc): Do not complain about missing headers if
9379         inhibit_libc.
9380         * configure.ac (inhibit_libc): Set it to true/false.
9381         (--with-build-sysroot): New option.  Use it to set
9382         SYSTEM_HEADER_DIR.
9383         * configure: Regenerated.
9384
9385 2005-07-25  Manfred Hollstein  <mh@suse.com>
9386
9387         * calls.c (store_one_arg): Fix unsigned comparison warning.
9388
9389 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9390
9391         PR other/22337
9392         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9393         (ggc_print_statistics): Initialize variable before use.
9394
9395 2005-07-25  Richard Guenther  <rguenther@suse.de>
9396
9397         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9398         calling with a PHI_NODE argument.
9399
9400         * tree-flow-inline.h (overlap_subvar): Protect against
9401         possible overflow.
9402
9403 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9404
9405         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9406         * configure: Regenerate.
9407
9408 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9409
9410         * expr.c (highest_pow2_factor): Make extern.
9411         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9412         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9413         record_array_differ_p, array_ptr_differ_p): Likewise.
9414         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9415         additional cases. Call the above functions.
9416         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9417         base_object_differ_p when there are two base objects. Otherwise, compare
9418         base address and offset. Call may_alias_p.
9419         (dump_data_reference): Use a correct field name.
9420         (analyze_array): Make static. Initialize new data-ref fields.
9421         (analyze_indirect_ref): New function.
9422         (init_data_ref): Initialize new data-ref fields.
9423         (strip_conversion): Moved from tree-vect-analyze.c.
9424         (analyze_offset_expr, get_ptr_offset, address_analysis,
9425         object_analysis): Likewise.
9426         (analyze_offset): New function.
9427         (create_data_ref): Likewise.
9428         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9429         dimensions for ARRAY_REFs only.
9430         (build_classic_dist_vector): Make static.
9431         (access_functions_are_affine_or_constant_p): Call macro to get the
9432         address of access functions.
9433         (compute_all_dependences): Add new parameter
9434         compute_self_and_read_read_dependences. Compute self and read-read
9435         dependences if it is true.
9436         (find_data_references_in_loop): Call create_data_ref. Initialize new
9437         data-ref fields.
9438         (compute_data_dependences_for_loop): Add new parameter
9439         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9440         compute nb_loops. Call compute_all_dependences,
9441         build_classic_dist_vector and build_classic_dir_vector with correct
9442         parameters.
9443         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9444         with correct parameters. Compare dimensions for ARRAY_REFs only.
9445         (free_data_refs): Call macro to free access functions.
9446         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9447         fields from stmt_vinfo.
9448         (struct base_object_info): New structure.
9449         (struct data_reference): Move fields to base_object_info. Add fields
9450         first_location and object_info for above structures. Move fields from
9451         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9452         aligned_to.  Add macros to access the new fields.
9453         Update functions declarations.
9454         * tree-flow.h (is_aliased_with): Declare.
9455         * tree-loop-linear.c (linear_transform_loops): Call
9456         compute_data_dependences_for_loop with correct parameters.
9457         * tree-ssa-alias.c (is_aliased_with): New function.
9458         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9459         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9460         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9461         vect_base_addr_differ_p, compute_subscript_distance and
9462         build_classic_dist_vector. Add printings. Check absolute value of
9463         distance.
9464         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9465         data-refs.
9466         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9467         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9468         to bytes. Add printing.
9469         (vect_compute_data_refs_alignment): Go through loads and stores in one
9470         loop.
9471         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9472         vect_analyze_data_ref_access): Likewise.
9473         (vect_analyze_pointer_ref_access): Remove.
9474         (vect_address_analysis, vect_object_analysis): Likewise.
9475         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9476         and analyze data-refs in the loop.
9477         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9478         fields of data-ref instead of stmt. Add init to the offset from the
9479         base.
9480         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9481         (vect_update_init_of_dr): Likewise.
9482         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9483         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9484         removed fields.
9485         (new_loop_vec_info): Initialize new fields.
9486         (destroy_loop_vec_info): Free new fields.
9487         (vect_strip_conversion): Remove.
9488         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9489         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9490         datarefs. Add new field ddrs.
9491         Add macros for the new fields access.
9492         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9493         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9494         Remove their macros.
9495         * tree.h (highest_pow2_factor): Declare.
9496
9497 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9498
9499         * calls.c (store_one_arg): Check for sibling call MEM arguments
9500         from already clobbered incoming argument area.
9501
9502 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9503
9504         * c-common.c (check_missing_format_attribute): New.
9505         * c-common.h (check_missing_format_attribute): Likewise.
9506         * c-typeck.c (convert_for_assignment): Use it.
9507
9508 2005-07-24  Andreas Schwab  <schwab@suse.de>
9509
9510         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9511         register use a word move.  Correct operand of ext.w in 68000 code.
9512
9513 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9514
9515         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9516         variables as declarations, rather than definitions.
9517
9518 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9519
9520         PR tree-optimization/22526
9521         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9522         of the zero node.
9523
9524 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9525
9526         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9527         that C99 reserve for future use. Use it to define clog10,
9528         clog10f and clog10l.
9529
9530 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9531
9532         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9533         * configure.ac: Check for -Wmissing-format-attribute.
9534
9535         * configure: Regenerate.
9536
9537 2005-07-23  Richard Henderson  <rth@redhat.com>
9538
9539         PR tree-optimization/22623
9540         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9541
9542 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9543
9544         PR target/22577
9545         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9546
9547 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9548
9549         * Makefile.in (C_TREE_H): Update dependencies.
9550         * c-tree.h: Include toplev.h.
9551         * diagnostic.h (diagnostic_set_info): Add format attribute.
9552         * rtl-error.c (diagnostic_for_asm): Likewise.
9553
9554 2005-07-23  Chao-ying Fu  <fu@mips.com>
9555
9556         * config/mips/mips-dsp.md: New file.
9557         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9558         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9559         functions.
9560         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9561         MIPS_BUILTIN_BPOSGE32.
9562         (mips_expand_builtin_direct): Add one parameter to indicate that
9563         builtin functions need to return a value.
9564         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9565         functions.
9566         (mips_regno_to_class): Add classes for 12 new DSP registers.
9567         (mips_subword): Change to check four HI registers.
9568         (mips_output_move): Output move to and from 6 new DSP accumulators.
9569         (override_options): Make sure -mdsp and -mips16 are not used together.
9570         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9571         for machine modes.
9572         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9573         when !TARGET_DSP.
9574         (print_operand): Add 'q' for printing DSP accumulators.
9575         (mips_cannot_change_mode_class): Check ACC_REGS.
9576         (mips_secondary_reload_class): Check ACC_REGS.
9577         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9578         (mips_register_move_cost): Check ACC_REGS.
9579         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9580         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9581         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9582         (dsp_bdesc): New array.
9583         (bdesc_arrays): Add DSP builtin function table.
9584         (mips_prepare_builtin_arg): Check predicate again after
9585         copy_to_mode_reg.
9586         (mips_expand_builtin): Add one more parameter to
9587         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9588         MIPS_BUILTIN_BPOSGE32.
9589         (mips_init_builtins): Initialize new function types.
9590         (mips_expand_builtin_direct): Check if builtin functions need to
9591         return a value and pass operands properly.
9592         (mips_expand_builtin_bposge): New function.
9593         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9594         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9595         (FIRST_PSEUDO_REGISTER): Increase to 188.
9596         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9597         Update for 12 new DSP registers.
9598         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9599         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9600         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9601         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9602         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9603         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9604         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9605         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9606         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9607         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9608         (REGISTER_NAMES): Add names for 12 new DSP registers.
9609         * config/mips/mips.md: Include mips-dsp.md.
9610         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9611         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9612         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9613         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9614         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9615         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9616         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9617         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9618         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9619         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9620         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9621         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9622         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9623         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9624         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9625         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9626         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9627         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9628         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9629         (UNSPEC_RDDSP): New constants.
9630         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9631         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9632         A<-d alternative.
9633         * config/mips/mips.opt (-mdsp): New option.
9634         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9635         (reg_imm10_operand): New predicates.
9636         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9637         * doc/invoke.texi (-mdsp): Document new option.
9638
9639 2005-07-22  DJ Delorie  <dj@redhat.com>
9640
9641         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9642         to warning calls.
9643         * tree-inline.c (inlinable_function_p): Likewise.
9644
9645 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9646
9647         PR debug/21828
9648         * toplev.c (check_global_declarations): Do not mark undefined
9649         variables as DECL_IGNORED_P.
9650         * varasm.c (first_global_object_name): GTY it.
9651         (weak_global_object_name): Likewise.
9652         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9653         a string to go into {weak,first}_global_object_name.
9654
9655 2005-07-22  DJ Delorie  <dj@redhat.com>
9656
9657         * c-format.c (check_function_format): Change warning control
9658         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9659
9660 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9661
9662         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9663         &PTR->FLD a dereference of PTR.
9664         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9665         a potential dereference of PTR.
9666
9667 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9668
9669         PR rtl-optimization/20370
9670         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9671         call allocate_reg_info if necessary.
9672
9673         PR rtl-optimization/21848
9674         * calls.c (emit_library_call_value_1): For const functions, add
9675         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9676
9677         PR rtl-optimization/22445
9678         * cselib.c (target.h): Include.
9679         (rtx_equal_for_cselib_p): Allow commutative matches.
9680         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9681         Remove MODE parameter.  Changed all callers.
9682
9683         PR rtl-optimization/22258
9684         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9685         New functions.
9686         (try_combine): Use likely_spilled_retval_p.
9687
9688 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9689
9690         * config.gcc: Add crx-elf support.
9691
9692         * doc/contrib.texi: Mention crx.
9693         * doc/extend.texi: Document crx extensions.
9694         * doc/install.texi: Document crx install.
9695         * doc/invoke.texi: Document crx options.
9696         * doc/md.texi: Document crx constraints.
9697
9698         * config/crx/crx-protos.h: New file.
9699         * config/crx/crx.c: New file.
9700         * config/crx/crx.h: New file.
9701         * config/crx/crx.md: New file.
9702         * config/crx/crx.opt: New file.
9703         * config/crx/t-crx: New file.
9704
9705 2005-07-22  Manfred Hollstein  <mh@suse.com>
9706
9707         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9708         warnings.
9709         (int_add_graph_edge): Likewise.
9710         (collapse_nodes): Likewise.
9711         (process_unification_queue): Likewise.
9712
9713 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9714             Laurent GUERBY  <laurent@guerby.net>
9715
9716         PR tree-optimization/22336
9717         * function.c (record_block_change): Check for
9718         cfun->ib_boundaries_block.
9719
9720 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9721
9722         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9723         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9724
9725 2005-07-21  DJ Delorie  <dj@redhat.com>
9726
9727         * toplev.c (warn_deprecated_use): Add warning control to warning
9728         call.
9729         * c-typeck.c (parser_build_binary_op): Likewise.
9730         (c_finish_if_stmt): Likewise.
9731         * c-common.c (check_function_sentinel): Likewise.
9732         (check_nonnull_arg): Likewise.
9733
9734 2005-07-21  Richard Henderson  <rth@redhat.com>
9735
9736         PR tree-opt/22504
9737         * tree-complex.c (complex_ssa_name_components): New.
9738         (cvc_lookup): Allow entry not found.
9739         (create_components): Remove.
9740         (create_one_component_var, get_component_var): New.
9741         (get_component_ssa_name, set_component_ssa_name): New.
9742         (extract_component): Use get_component_ssa_name.
9743         (update_complex_components): Use set_component_ssa_name.
9744         (update_complex_components_on_edge): Likewise.
9745         (update_phi_components): Create new PHI nodes directly, instead
9746         of adding insns to edges.
9747         (tree_lower_complex): Allocate and free complex_variable_components
9748         and complex_ssa_name_components here.
9749
9750 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9751
9752         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9753         revert to returning false.
9754
9755 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9756
9757         PR target/21149
9758         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9759
9760 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9761
9762         PR target/22576
9763         * config/i386/i386.md (cmpxf): Change operand constraints
9764         to "nonmemory_operand".
9765
9766 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9767
9768         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9769
9770 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9771
9772         PR middle-end/21180
9773         * fold-const.c (fold_build1): Add checksum for the operands.
9774         (fold_build2): Likewise.
9775         (fold_build3): Likewise.
9776
9777 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9778
9779         PR middle-end/19055
9780         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9781
9782 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9783
9784         * common.opt (-fforward-propagate): Committed by mistake,
9785         removed.
9786
9787 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9788
9789         * reg-stack.c: Fix comment typo(s).
9790         * tree-ssa-operands.c: Likewise.
9791         * tree-vectorizer: Likewise.
9792
9793 2005-07-21  Nick Clifton  <nickc@redhat.com>
9794
9795         * config/sh/symbian.c: Replace C++ style line comments with C
9796         style line comments.
9797         (symbian_add_attribute): Do not use a ? operator on the LHS of
9798         an assignment.
9799         (sh_symbian_handle_dll_attribute): Change the type of the
9800         method vector to "VEC(tree,gc)*" and use vector accessor
9801         macros to walk over the elements.
9802         (symbian_export_vtable_and_rtti_p): Likewise.
9803         (symbian_class_needs_attribute_p): Likewise.
9804
9805 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9806
9807         PR target/22085
9808         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9809         initialize targetm.resolve_overloaded_builtin here.
9810         (altivec_expand_overloaded_builtin): Make it non-static.
9811         * config/rs6000/rs6000-protos.h
9812         (altivec_expand_overloaded_builtin): New prototype.
9813         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9814         targetm.resolve_overloaded_builtin here.
9815         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9816
9817 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9818             Zdenek Dvorak  <dvorakz@suse.cz>
9819
9820         PR tree-optimization/19210
9821         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9822         New.
9823         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9824         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9825         rely on unproven assumptions.
9826         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9827         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9828         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9829         to number_of_iterations_exit.
9830         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9831         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9832         * tree-ssa-loop-niter.c (find_loop_niter,
9833         estimate_numbers_of_iterations_loop): Likewise.
9834         (number_of_iterations_exit): Honor the new options.
9835         * doc/invoke.texi (Wunsafe-loop-optimizations,
9836         funsafe-loop-optimizations): Document them.
9837
9838 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9839
9840         PR rtl-optimization/22167
9841         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9842
9843 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9844
9845         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9846         __do_global_dtors_aux longcall.
9847
9848 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9849
9850         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9851         (old_special_pred_table): Don't reference
9852         SPECIAL_MODE_PREDICATES.
9853         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9854         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9855         * config/sh/predicates.h: Don't mention
9856         SPECIAL_MODE_PREDICATES.
9857         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9858         Remove.
9859
9860 2005-07-20  DJ Delorie  <dj@redhat.com>
9861
9862         * config.gcc: Add m32c-elf support.
9863
9864         * doc/contrib.texi: Mention m32c.
9865         * doc/extend.texi: Document m32c extensions.
9866         * doc/install.texi: Mention m32c.
9867         * doc/invoke.texi: Document m32c options.
9868         * doc/md.texi: Document m32c constraints.
9869
9870         * config/m32c/addsub.md: New file.
9871         * config/m32c/bitops.md: New file.
9872         * config/m32c/cond.md: New file.
9873         * config/m32c/jump.md: New file.
9874         * config/m32c/m32c-lib1.S: New file.
9875         * config/m32c/m32c-lib2.c: New file.
9876         * config/m32c/m32c-modes.def: New file.
9877         * config/m32c/m32c-pragma.c: New file.
9878         * config/m32c/m32c-protos.h: New file.
9879         * config/m32c/m32c.abi: New file.
9880         * config/m32c/m32c.c: New file.
9881         * config/m32c/m32c.h: New file.
9882         * config/m32c/m32c.md: New file.
9883         * config/m32c/m32c.opt: New file.
9884         * config/m32c/minmax.md: New file.
9885         * config/m32c/mov.md: New file.
9886         * config/m32c/muldiv.md: New file.
9887         * config/m32c/predicates.md: New file.
9888         * config/m32c/prologue.md: New file.
9889         * config/m32c/shift.md: New file.
9890         * config/m32c/t-m32c: New file.
9891
9892 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9893
9894         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9895         (stack_protect_set, stack_protect_test): New expanders.
9896         (stack_protect_set_si, stack_protect_set_si_media,
9897         stack_protect_set_di_media, stack_protect_test_si,
9898         stack_protect_test_si_media, stack_protect_test_di_media):
9899         New insns.
9900
9901 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9902
9903         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9904
9905 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9906
9907         * tree.h (tree_expr_nonzero_p): Export.
9908         * fold-const.c (tree_expr_nonzero_p): Likewise.
9909         Return true for CALL_EXPRs that are alloca calls.
9910         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9911         against zero.
9912         * tree-flow.h (expr_computes_nonzero): Remove.
9913         * tree-vrp.c (expr_computes_nonzero): Remove.
9914         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9915         (extract_range_from_unary_expr): Likewise.
9916         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9917         tree_expr_nonzero_p.
9918
9919 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9920
9921         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9922         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9923         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9924         All callers changed.
9925         (frame_related_constant_load): New arg "related" which controls
9926         setting of RTX_FRAME_RELATED_P.  All callers changed.
9927         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9928         (bfin_expand_prologue): Add stack limit checking.
9929         * config/bfin/bfin.md (trapifcc): New pattern.
9930
9931         * config/bfin/bfin.c: Include "langhooks.h".
9932         (def_builtin): Go through lang_hooks to call builtin_function.
9933
9934         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9935         * config/bfin/predicates.md (symbol_ref_operand): New.
9936         (call_insn_operand): Delete.  All callers changed to use
9937         register_no_elim_operand.
9938         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9939         call_cookie field.
9940         (function_arg): Use it to generate the call's operand 2.
9941         (bfin_longcall_p): New function.
9942         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9943         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9944         determine if the address needs to be in a REG.
9945         (bfin_handle_longcall_attribute): New function.
9946         (bfin_attribute_table): Add "longcall" and "shortcall".
9947         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9948         (CUMULATIVE_ARGS): New member call_cookie.
9949         (PREDICATE_CODES): Add symbol_ref_operand.
9950         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9951         extra USE to the pattern.
9952         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9953         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9954         sibcall_value_insn; now the new patterns handle direct calls and the
9955         old ones indirect calls.
9956         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9957
9958 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9959
9960         * doc/trouble.texi: Update section on handling of empty loops.
9961
9962 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9963
9964         * config.gcc: Remove support for sparc-*-openbsd*,
9965         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9966         ns32k-*-netbsd*.
9967         * config.host: Remove support for i860-*-sysv4* as a host.
9968         * config/i860/*, config/ip2k/*, config/ns32k/*,
9969         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9970         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9971         mention obsolete ports.
9972
9973 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9974
9975         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9976         soft frame pointer.
9977         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9978         of frame_pointer_rtx.
9979         (sh_expand_epilogue): Likewise.
9980         (sh_set_return_address): Likewise.
9981         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9982         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9983         offsets from FRAME_POINTER_REGNUM.
9984         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9985         (sh_register_names): Add initializer for sfp.
9986         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9987         (VALID_REGISTER_P): Likewise.
9988         (FIRST_PSEUDO_REGISTER): Update.
9989         (DWARF_FRAME_REGISTERS): Define.
9990         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9991         (HARD_FRAME_POINTER_REGNUM): Define.
9992         (FRAME_POINTER_REGNUM): Redefine.
9993         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9994         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9995         from FRAME_POINTER_REGNUM.
9996         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9997         FRAME_POINTER_REGNUM.
9998         (REG_CLASS_CONTENTS): Add sfp.
9999         (REG_ALLOC_ORDER): Likewise.
10000         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10001         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10002         of frame_pointer_rtx.
10003         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10004
10005 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10006
10007         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10008         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10009         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10010         of an ABS_EXPR.
10011         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10012         ABS_EXPR<x>.
10013
10014 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10015
10016         Make CONSTRUCTOR use VEC to store initializers.
10017         * c-common.c (complete_array_type): Update to cope with VEC in
10018         CONSTRUCTOR_ELTS.
10019         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10020         (pp_c_constructor_elts): New function.
10021         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10022         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10023         struct constructor_stack, struct initializer_stack,
10024         constructor_elements, push_init_level, pop_init_level,
10025         add_pending_init, find_init_member, output_init_element): Update to
10026         cope with VEC in CONSTRUCTOR_ELTS.
10027         * coverage.c (build_fn_info_value, build_ctr_info_value,
10028         build_gcov_info): Likewise.
10029         * expr.c (categorize_ctor_elements_1, store_constructor,
10030         expand_expr_real_1): Likewise.
10031         * fold-const.c (fold_ternary): Likewise.
10032         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10033         gimplify_init_constructor, gimplify_expr): Likewise.
10034         * tree-dump.c (dequeue_and_dump): Likewise.
10035         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10036         node.
10037         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10038         CONSTRUCTOR_ELTS.
10039         * tree-sra.c (generate_element_init_1): Likewise.
10040         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10041         * tree-ssa-operands.c (get_expr_operands): Likewise.
10042         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10043         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10044         (get_initial_def_for_reduction): Likewise.
10045         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10046         value handle in annotations.
10047         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10048         tree_node_structure): Add support for constr_kind.
10049         (build_vector_from_ctor, build_constructor_single,
10050         build_constructor_from_list): New functions.
10051         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10052         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10053         Update to cope with VEC in CONSTRUCTOR_ELTS.
10054         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10055         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10056         CONSTRUCTOR_APPEND_ELT): New macros.
10057         (struct constructor_elt, struct tree_constructor): New data types.
10058         (union tree_node): Add tree_constructor field.
10059         * treestruct.def: Define TS_CONSTRUCTOR.
10060         * varasm.c (const_hash_1, compare_constant, copy_constant,
10061         compute_reloc_for_constant, output_addressed_constants,
10062         initializer_constant_valid_p, output_constant,
10063         array_size_for_constructor, output_constructor): Update to cope with
10064         VEC in CONSTRUCTOR_ELTS.
10065         * vec.h (VEC_empty, VEC_copy): New macros.
10066
10067 2005-07-19  Devang Patel  <dpatel@apple.com>
10068
10069         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10070
10071 2005-07-19  Richard Henderson  <rth@redhat.com>
10072
10073         PR tree-opt/22278
10074         * gimplify.c (gimplify_expr): Use main variant type for the temp
10075         destination for a discarded volatile read.
10076         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10077         casts between non-void types that change volatility.
10078
10079 2005-07-15  DJ Delorie  <dj@redhat.com>
10080
10081         * toplev.h: Add comment about the first parameter for warning().
10082         * errors.h: Likewise.
10083
10084         * c.opt (Wpragmas): New.
10085         * doc/invoke.texi: Document it.
10086
10087         * function.c (do_warn_unused_parameter): Add warning control to
10088         warning call.
10089         * c-decl.c (warn_if_shadowing): Likewise.
10090         * c-lex.c (cb_def_pragma): Likewise.
10091         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10092         (pop_alignment): Likewise.
10093         (handle_pragma_pack): Likewise.
10094         (apply_pragma_weak): Likewise.
10095         (handle_pragma_weak): Likewise.
10096         (handle_pragma_redefine_extname): Likewise.
10097         (add_to_renaming_pragma_list): Likewise.
10098         (handle_pragma_extern_prefix): Likewise.
10099         (maybe_apply_renaming_pragma): Likewise.
10100         (handle_pragma_visibility): Likewise.
10101
10102         * config/c4x/c4x-c.c (BAD): Likewise.
10103         (c4x_parse_pragma): Likewise.
10104         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10105         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10106         (rs6000_pragma_longcall): Likewise.
10107         * config/v850/v850-c.c (pop_data_area): Likewise.
10108         (ghs_pragma_section): Likewise.
10109         (ghs_pragma_section): Likewise.
10110         (ghs_pragma_interrupt): Likewise.
10111         (ghs_pragma_starttda): Likewise.
10112         (ghs_pragma_startsda): Likewise.
10113         (ghs_pragma_startzda): Likewise.
10114         (ghs_pragma_endtda): Likewise.
10115         (ghs_pragma_endsda): Likewise.
10116         (ghs_pragma_endzda): Likewise.
10117
10118 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10119             Kenneth Zadeck <zadeck@naturalbridge.com>
10120
10121         * Makefile.in: Removed tree-promote-statics.c
10122         * tree-promote-statics.c: Removed.
10123         * common.opt: Removed flag-promote-statics.
10124         * opts.c: Ditto.
10125         * passes.c: Removed tree-promote-statics pass.
10126         * tree-pass.h: Ditto.
10127         * timevar.def: Removed TV_PROMOTE_STATICS.
10128
10129
10130 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10131
10132         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10133         and *-*-freebsd9.
10134         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10135
10136 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10137
10138         PR c/22476
10139         * c-common.c (check_function_arguments): Call
10140         'check_function_format' if either -Wformat or
10141         -Wmissing-format-attribute are specified.
10142         * c-format.c (check_function_format): Check -Wformat before
10143         calling 'check_format_info'.
10144         * c-opts.c (c_common_post_options): Don't warn for
10145         -Wmissing-format-attribute without -Wformat.
10146         * c-typeck.c (convert_for_assignment): Detect additional cases for
10147         -Wmissing-format-attribute.
10148         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10149         behavior.
10150
10151 2005-07-19  Richard Guenther  <rguenther@suse.de>
10152
10153         * config/i386/i386.md (lrint<mode>2): Use temporary
10154         instead of clobbering non-existent memory.
10155
10156 2005-07-19  Nick Clifton  <nickc@redhat.com>
10157
10158         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10159         statement to avoid displaying ASCII control characters.
10160
10161 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10162
10163         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10164         * cfganal.c (find_edge_index): Ditto.
10165         * combine.c (combine_instructions): Ditto.
10166         * ddg.c (create_scc): Ditto.
10167         (find_successors): Ditto.
10168         (find_predecessors): Ditto.
10169         (find_nodes_on_paths): Ditto.
10170         (longest_simple_path): Ditto.
10171         * flow.c (update_life_info): Ditto.
10172         (count_or_remove_death_notes): Ditto.
10173         (clear_log_links): Ditto.
10174         * modulo-sched.c (generate_reg_moves): Ditto.
10175         (find_max_asap): Ditto.
10176         (find_max_hv_min_mob): Ditto.
10177         (find_max_dv_min_mob): Ditto.
10178         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10179         * sched-rgn.c (extract_edgelst): Ditto.
10180         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10181         (dump_update_ssa): Ditto.
10182         (ssa_names_to_replace) Ditto.
10183         (switch_virtuals_to_full_rewrite): Ditto.
10184         (update_ssa): Ditto.
10185         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10186
10187 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10188
10189         Fix PR tree-optimization/22483
10190
10191         * tree-complex.c (create_components): Use
10192         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10193         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10194         * tree-flow.h (safe_referenced_var_iterator): New structure.
10195         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10196         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10197         safe_referenced_var iterator.
10198         (add_type_alias): Ditto.
10199
10200 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10201
10202         * loop-init.c (rest_of_handle_loop2): Remove.
10203         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10204         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10205         (pass_rtl_loop_init, pass_rtl_loop_done,
10206         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10207         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10208         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10209         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10210         pass_tree_loop_done, and pass_tree_unswitch.
10211         (gate_loop): Rename to gate_tree_loop.
10212         * passes.c (init_optimization_passes): Update for renamed tree
10213         loop passes.  Add the new loop2 passes as subpasses of loop2.
10214         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10215         Update for the renamed tree loop passes.
10216
10217 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10218
10219         PR middle-end/22057
10220         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10221         blocks when optimizing.
10222
10223 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10224
10225         * common.opt (frename-registers): Initialize to 2.
10226         (fweb): Ditto.
10227         (fgcse-after-reload): Ditto.
10228         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10229         (process_options): Only change flag_web, flag_rename_registers,
10230         and flag_rerun_cse_after_loop if not explicitly set by user.
10231
10232 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10233
10234         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10235         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10236         in 64-bit mode the same as DImode in 32-bit mode.
10237         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10238         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10239         mode. Add new mode parameter.
10240         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10241         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10242         x86_64_shift_adj): New expanders.
10243         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10244         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10245         insns.
10246         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10247         DImode shift splitters.
10248         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10249         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10250         mode parameter.
10251
10252 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10253
10254         * i386.md (movdi_extzv_1): New.
10255         (zero_extendhidi2): Combine alternatives and never force use of
10256         REX64 prefix.
10257         (zero_extendqidi2): Likewise. Don't restrict input selection.
10258
10259 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10260
10261         Fix PR tree-optimization/22531
10262         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10263          moment.
10264
10265 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10266
10267         * tree-promote-statics.c (pass_promote_statics): Change dump file
10268          name.
10269
10270 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10271
10272         * tree-optimize.c (init_tree_optimization_passes): Add
10273         pass_eliminate_useless_stores pass.
10274         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10275         * tree-ssa-pre.c (is_copy_stmt): New function.
10276         (follow_copies_till_vuse): Ditto.
10277         (do_eustores): Ditto.
10278         (gate_eustores): Ditto.
10279
10280 2005-07-16  Richard Henderson  <rth@redhat.com>
10281
10282         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10283
10284 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10285            Kenneth Zadeck <zadeck@naturalbridge.com>
10286
10287         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10288         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10289         ipa-type-escape.h, tree-promote-statics.c
10290         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10291         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10292         tree-promote-statics.c: new files.
10293         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10294         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10295         int nonlocal_set_p, mark_constant_function): Deleted.
10296         (rest_of_handle_cfg): Removed call to mark_constant_function.
10297         (nonoverlapping_component_refs_p): Added calls to support
10298         type based aliasing.
10299         * tree-ssa-alias.c (may_alias_p,
10300         compute_flow_insensitive_aliasing): Ditto.
10301         * calls.c (flags_from_decl_or_type): Removed reference to
10302         cgraph_rtl_info.
10303         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10304         too many arguments.  This is necessary for Spec 2000.
10305         * cgraph.h (const_function, pure_function): Removed.
10306         * common.opt: Added "fipa-pure-const", "fipa-reference",
10307         "fipa-type-escape", and "ftree-promote-static".
10308         * opts.c: Ditto.
10309         * passes.c: Added ipa and tree-promote-statics passes.
10310         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10311         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10312         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10313         * tree-flow.h: Added exposed sra calls and addition of
10314         reference_vars_info field for FUNCTION_DECLS.
10315         * tree-pass.h: Added passes.
10316         * tree-sra.c: (sra_init_cache): New function.
10317         (sra_insert_before, sra_insert_after) Made public.
10318         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10319         and made public.
10320         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10321         aliasing. (may_alias_p): Added code to use type escape analysis to
10322         improve alias sets.
10323         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10324         code to prune clobbers of static variables based on information
10325         produced in ipa-reference pass.  Changed call clobbering so that
10326         statics are not marked as clobbered if the call does not clobber
10327         them.
10328
10329 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10330
10331         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10332         too.
10333
10334 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10335
10336         * doc/install.texi (*-*-solaris2*): Document recommended version
10337         of GNU binutils and mention GNU linker problem on Solaris 10.
10338
10339 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10340
10341         PR c/22421
10342         * c-decl.c (c_build_bitfield_integer_type): New function.
10343         (finish_struct): Call it.
10344         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10345
10346 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10347
10348         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10349         before returning.
10350
10351 2005-07-16  Jan Hubicka  <jh@suse.cz>
10352
10353         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10354         (scale_bbs_frequencies_int): Watch roundoff errors.
10355         * predict.c (return_prediction): Initialize return_stmt.
10356
10357 2005-07-16  Jan Hubicka  <jh@suse.cz>
10358
10359         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10360         after RTL profiling.
10361
10362 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10363
10364         PR middle-end/22398
10365         * fold-const.c (build_range_check): Convert high/low to etype
10366         if we are only comparing against exp.
10367
10368 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10369
10370         Fix PR tree-optimization/22376
10371         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10372         special var here.
10373         (need_to_solve): New function.
10374         (compute_points_to_sets): Use it.
10375
10376 2005-07-15  Jan Hubicka  <jh@suse.cz>
10377
10378         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10379         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10380
10381 2005-07-15  Richard Guenther  <rguenther@suse.de>
10382
10383         * c-common.c (handle_flatten_attribute): New function.
10384         Add flatten function attribute.
10385         * doc/extend.texi: Document flatten function attribute.
10386         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10387         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10388         New functions.
10389         (cgraph_decide_inlining): Handle functions with flatten
10390         attribute.
10391
10392 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10393
10394         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10395         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10396         UNSPEC_XCHG, UNSPEC_AND): New.
10397         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10398         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10399         * config/rs6000/sync.md (FETCHOP): New code macro.
10400         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10401         New code attrs.
10402         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10403         (sync_compare_and_swap<mode>): Same.
10404         (sync_lock_test_and_set<mode>): Same.
10405         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10406         for QImode and HImode, and not PPC405.
10407         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10408         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10409         (sync_<fetchop>{si,di}_internal): New.
10410         (sync_nand{si,di}_internal): New.
10411         (sync_old_<fetchop>{si,di}_internal): New.
10412         (sync_old_nand{si,di}_internal): New
10413         (sync_new_<fetchop>{si,di}_internal): New.
10414         (sync_new_nand{si,di}_internal): New.
10415         (atomic_and{si,di}): New.
10416         (sync_new_nand{si,di}_internal): New.
10417         (atomic_and{si,di}): New.
10418         (sync_add<mode>_internal): Delete.
10419         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10420         (sync_sub<mode>_internal): Delte.
10421         (sync_subshort_internal): New.
10422         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10423         (sync_anddi_internal): Delete.
10424         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10425         (sync_booldi_internal): Delete.
10426         (sync_boolc<mode>_internal): Delete.
10427         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10428         (sync_boolc<mode>_internal2): Delete.
10429         (sync_boolcc<mode>_internal): Delete.
10430         (isync, lwsync): Use unspec instead of unspec_volatile.
10431         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10432         Revert UNSPEC_VOLATILE.
10433         (rs6000_split_atomic_op): New.
10434         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10435
10436 2005-07-14  Eric Christopher  <echristo@redhat.com>
10437
10438         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10439         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10440
10441 2005-07-14  Eric Christopher  <echristo@redhat.com>
10442
10443         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10444
10445 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10446
10447         PR tree-optimization/22230
10448         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10449         the computation of the four cross productions for "range op range".
10450
10451 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10452             Ulrich Weigand  <uweigand@de.ibm.com>
10453
10454         PR target/20126
10455         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10456         in some insn.
10457
10458 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10459
10460         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10461
10462 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10463
10464         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10465
10466 2005-07-14  Richard Guenther  <rguenther@suse.de>
10467
10468         PR middle-end/22347
10469         * config/i386/i386-protos.h (ix86_function_value): Change
10470         prototype to match new target hook.
10471         * config/i386/i386.c (ix86_value_regno): Change prototype
10472         to take extra type argument.
10473         (TARGET_FUNCTION_VALUE): Define.
10474         (ix86_function_ok_for_sibcall): Pass extra argument to
10475         ix86_value_regno, check return slot rtx for exact match.
10476         (ix86_function_value): Take extra parameter.  Dispatch to
10477         ix86_value_regno with fndecl/fntype as provided.
10478         (ix86_value_regno): Handle extra type argument.
10479         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10480
10481         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10482         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10483         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10484         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10485         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10486
10487 2005-07-14  Richard Guenther  <rguenther@suse.de>
10488
10489         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10490         * calls.c (expand_call): Pass fntype to hard_function_value.
10491         (emit_library_call_value_1): Likewise.
10492         * explow.c: Include target.h.
10493         (hard_function_value): Take extra argument, the fntype.
10494         Use new target hook for function_value.
10495         * expr.h (hard_function_value): Change prototype.
10496         * function.c (aggregate_value_p): Pass 0 as fntype to
10497         hard_function_value.
10498         (assign_parms): Use new target hook for function_value.
10499         Pass 0 as fntype to hard_function_value.
10500         (expand_function_end): Likewise.
10501         * reg-stack.c: Include target.h.
10502         (stack_result): Use new target hook for function_value.
10503         * target-def.h: New target hook function_value.
10504         * target.h: Likewise.
10505         * targhooks.c (default_function_value): New function.
10506         * targhooks.h (default_function_value): Declare.
10507
10508 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10509
10510         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10511
10512 2005-07-14  Jan Hubicka  <jh@suse.cz>
10513
10514         * tree-dfa.c (dump_variable): Use default_def function.
10515         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10516         * tree-ssa.c (verify_use): Likewise.
10517         * tree-ssanames.c (release_ssa_name): Likewise.
10518         * tree-tailcall.c (eliminate_tail_call): Likewise.
10519         (tree_optimize_tail_calls_1): Likewise.
10520         * tree-vrp.c (get_value_range): Likewise.
10521
10522 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10523
10524         * gcc.c (main): Compare language[0] with '*' when iterating over
10525         the infiles.
10526
10527 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10528
10529         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10530         "s390_emit_compare".  Add handling of CCZ1mode.
10531         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10532         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10533         checking.
10534         (s390_branch_condition_mask): Add CCZ1mode handling.
10535         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10536         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10537         Use CCZ1mode instead of CCZmode.
10538         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10539
10540 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10541
10542         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10543         pattern.
10544         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10545
10546 2005-07-13  Eric Christopher  <echristo@redhat.com>
10547
10548         * config/mips/mips.c (mips_canonicalize_comparison): New.
10549         (mips_emit_int_relational): Use.
10550
10551 2005-07-13  Eric Christopher  <echristo@redhat.com>
10552
10553         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10554         static extra parts.
10555         * config/s390/s390.md: Include tpf.md. Move tpf specific
10556         patterns...
10557         * config/s390/tpf.md: To here.
10558         * config/s390/s390.opt: Move tpf specific options...
10559         * config/s390/tpf.opt: to here. Add mmain option.
10560         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10561         * config/s390/tpf.h: Rewrite.
10562
10563 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10564
10565         * doc/tm.texi: Remove @xref{Cross-profiling}.
10566
10567 2005-07-13  Jeff Law  <law@redhat.com>
10568
10569         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10570         expressions, test their _DECL operands for pointer equality rather
10571         than using operand_equal_p.
10572
10573 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10574
10575         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10576         (TARGET_POSIX_IO): This.
10577         * config/darwin.h: Likewise.
10578         * config/freebsd.h: Likewise.
10579         * config/linux.h: Likewise.
10580         * config/lynx.h: Likewise.
10581         * config/netbsd.h: Likewise.
10582         * config/rs6000/linux64.h: Likewise.
10583         * config/rs6000/linux.h: Likewise.
10584         * config/s390/tpf.h: Likewise.
10585         * config/sh/embed-elf.h: Likewise.
10586         * config/sparc/linux64.h: Likewise.
10587         * config/sparc/linux.h: Likewise.
10588         * config/svr4.h: Likewise.
10589         * gcov-io.h: Likewise.
10590
10591         * doc/tm.texi: Updated.
10592
10593         * libgcov.c (create_file_directory): Defined only if
10594         TARGET_POSIX_IO is defined.
10595         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10596         is defined.
10597
10598 2005-07-13  Jan Hubicka  <jh@suse.cz>
10599
10600         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10601
10602 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10603
10604         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10605         structure as argument.
10606
10607 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10608
10609         PR tree-optimization/21921
10610         * tree-iterator.c (tsi_link_before): Support the case when
10611         tsi_end_p (tsi) == true.
10612
10613 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10614
10615         PR tree-optimization/22442
10616         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10617         correctly.
10618
10619 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10620
10621         PR rtl-optimization/20376
10622         * toplev.c (process_options): Enable -fweb and -frename-registers when
10623         unrolling.
10624         * doc/invoke.texi: Update the information about when -fweb and
10625         -frename-registers are enabled.
10626
10627 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10628
10629         PR tree-opt/21840
10630         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10631         if *rhs_p is not a SSA_NAME.
10632
10633 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10634
10635         Fix PR tree-optimization/22422
10636         * tree-ssa-structalias.c (struct variable_info): Add flag for
10637         special vars.
10638         (get_varinfo): Now a static function.
10639         (new_varinfo): init has_union and is_special_var to false.
10640         (solution_set_add): Check has_union.
10641         (do_da_constraint): Move temporary variable so it gets reset
10642         properly.
10643         Also check for special variable.
10644         (do_ds_constraint): Ditto.
10645         (do_sd_constraint): Ditto.
10646         (do_structure_copy): Check for special variable.
10647         (find_func_aliases): Ditto.
10648         (init_base_vars): Set special vars properly.
10649
10650 2005-07-13  Jan Hubicka  <jh@suse.cz>
10651
10652         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10653         do unit-at-a-time.
10654
10655         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10656         (get_expr_operands): Fix thinko wrt flags and subvars.
10657
10658         PR tree-optimize/22379
10659         * tree-inline.c (expand_call_inline): Do not output sorry in early
10660         inlining.
10661
10662 2005-07-12  Dale Johannesen  <dalej@apple.com>
10663
10664         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10665
10666 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10667
10668         PR bootstrap/21704
10669         * host-linux.h: Include limits.h.
10670
10671 2005-07-12  Dale Johannesen  <dalej@apple.com>
10672
10673         * expr.c (compress_float_constant):  Add cost check.
10674         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10675
10676 2005-07-12  Dale Johannesen  <dalej@apple.com>
10677
10678         * gcc.target/i386/compress-float-sse.c:  New.
10679         * gcc.target/i386/compress-float-sse-pic.c:  New.
10680         * gcc.target/i386/compress-float-387.c:  New.
10681         * gcc.target/i386/compress-float-387-pic.c:  New.
10682         * gcc.dg/compress-float-ppc.c:  New.
10683         * gcc.dg/compress-float-ppc-pic.c:  New.
10684
10685 2005-07-12  Eric Christopher  <echristo@redhat.com>
10686
10687         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10688         static extra parts.
10689         * config/s390/s390.md: Include tpf.md. Move tpf specific
10690         patterns...
10691         * config/s390/tpf.md: To here.
10692         * config/s390/s390.opt: Move tpf specific options...
10693         * config/s390/tpf.opt: to here. Add mmain option.
10694         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10695         * config/s390/tpf.h: Rewrite.
10696
10697 2005-07-12  Eric Christopher  <echristo@redhat.com>
10698
10699         * gcc.c (struct infile): Update comment for language.
10700         (main): Rewrite input file resetting code.
10701
10702 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10703
10704         PR tree-opt/22335
10705         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10706         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10707         (lookup_avail_expr): Use constant_boolean_node instead
10708         of boolean_false_node/boolean_true_node.
10709
10710 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10711
10712         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10713         and use it when printing num_edges.
10714
10715 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10716
10717         * doc/extend.texi (Blackfin Built-in Functions): New section.
10718         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10719         @opindex.
10720
10721 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10722
10723         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10724         s/cmpstrsi/cmpstrnsi
10725         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10726         'cmpstrnsi'.
10727         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10728         (init_optabs): Initialize cmpstrn_optab.
10729         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10730         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10731         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10732         * config/i386/i386.md: s/cmpstr/cmpstrn
10733         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10734         * doc/md.texi: Update documentation.
10735
10736 2005-07-11  Richard Henderson  <rth@redhat.com>
10737
10738         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10739         build_va_arg_indirect_ref.
10740         (alpha_gimplify_va_arg): Likewise.
10741         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10742         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10743         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10744         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10745         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10746         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10747         Likewise.
10748         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10749
10750 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10751
10752         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10753         * passes.c (init_optimization_passes): Add pass_empty_loop.
10754         * tree-pass.h (pass_empty_loop): Declare.
10755         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10756         try_remove_empty_loop, remove_empty_loops): New functions.
10757         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10758         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10759
10760 2005-07-12  Peter Barada  <peter@the-baradas.com>
10761
10762         PR middle-end/16719
10763         PR middle-end/18421
10764         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10765         in address registers.
10766         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10767         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10768         alternative of addsi3_5200.
10769
10770 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10771
10772         * config/mips/mips.md (ffs<mode>2): Remove.
10773
10774 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10775
10776         * doc/tree-ssa.texi (Cleanups): Improve description of
10777         TRY_FINALLY_EXPR.
10778         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10779
10780 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10781
10782         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10783         * tree.h (DECL_ARGUMENT_FLD): New macro.
10784
10785 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10786
10787         Fix PR tree-optimization/22404
10788
10789         * tree-ssa-structalias.c (create_variable_info_for): Use
10790         correct offset.
10791
10792 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10793
10794         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10795         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10796         for second comparison operand.
10797         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10798
10799         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10800         (define_insn_reservation "alu"): Likewise.
10801         (csync, ssync): Now of type sync.
10802         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10803         -mcsync-anomaly -mspecld-anomaly.
10804         * config/bfin/bfin.opt (mcsync): Remove.
10805         (mcsync-anomaly, mspecld-anomaly): Add.
10806         * config/bfin/bfin.c: Include "insn-codes.h".
10807         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10808         (TARGET_DEFAULT_TARGET_FLAGS): New.
10809         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10810
10811 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10812
10813         * basic-block.h: Give the BB flags enum a name, bb_flags.
10814         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10815         * cfgcleanup.c (enum bb_flags): Remove here.
10816         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10817         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10818         (update_forwarder_flag): Likewise.
10819         (thread_jump): Likewise.
10820         (try_forward_edges): Likewise.
10821         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10822         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10823         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10824
10825 2005-07-11  Richard Guenther  <rguenther@suse.de>
10826
10827         * config/i386/i386.opt: New target option -msseregparm.
10828         * config/i386/i386.c (override_options): Error out for
10829         -msseregparm but no SSE support.
10830         (ix86_function_sseregparm): Check for global sseregparm.
10831         * doc/invoke.texi: Document -msseregparm.
10832
10833 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10834
10835         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10836         (m32rle-*-linux*): Ditto.
10837
10838 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10839
10840         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10841         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10842         bytes.
10843
10844 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10845
10846         PR middle-end/22239
10847         PR target/20126
10848         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10849         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10850
10851 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10852
10853         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10854         (varmap): Heapify varmap.
10855         (constraints): Heapify constraints.
10856         (struct constraint_graph): Heapify succs and preds.
10857         (constraint_vec_find): Update for heapification.
10858         (constraint_set_union): Ditto.
10859         (insert_into_complex): Ditto.
10860         (constraint_edge_vec_find): Ditto.
10861         (erase_graph_self_edge): Ditto.
10862         (add_graph_edge): Ditto.
10863         (get_graph_weights): Ditto.
10864         (merge_graph_nodes): Ditto.
10865         (build_constraint_graph): Ditto.
10866         (topo_visit): Ditto.
10867         (solve_graph): Ditto.
10868         (create_variable_info_for): Ditto.
10869         (init_base_vars): Ditto.
10870         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10871         (condese_varmap_nodes): Free complex vector.
10872         (clear_edges_for_node): Clear succs and preds vector.
10873
10874 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10875
10876         * tree-ssa-structalias.c (update_alias_info): Change counting of
10877         references to not include vdefs.
10878
10879 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10880
10881         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10882         (up_insert): Ditto.
10883
10884 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10885
10886         * pa.c (pa_commutative_p): Make PLUS commutative when
10887         TARGET_NO_SPACE_REGS is true.
10888
10889 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10890
10891         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10892         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10893         * tree-dfa.c (dump_subvars_for): New.
10894         (debug_subvars_for): New.
10895         (dump_variable): Show subvariables if VAR has them.
10896         * tree-flow-inline.h (get_subvar_at): New.
10897         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10898         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10899         Update all users.
10900         (struct subvar): Change fields offset and size to unsigned
10901         HOST_WIDE_INT.
10902         (dump_subvars_for): Declare.
10903         (debug_subvars_for): Declare.
10904         (get_subvar_at): Declare.
10905         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10906         to unsigned HOST_WIDE_INT *.
10907         (overlap_subvar): Likewise.
10908         * tree-gimple.c (is_gimple_reg): Always return false for
10909         SFTs and memory tags.
10910         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10911         Update all callers.
10912         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10913         (compute_may_aliases): Call compute_points_to_sets.
10914         (collect_points_to_info_for): Remove.
10915         (compute_points_to_and_addr_escape): Remove.
10916         (delete_alias_info): Call delete_points_to_sets.
10917         (compute_flow_sensitive_aliasing): If the call to
10918         find_what_p_points_to returns false, call set_pt_anything.
10919         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10920         (set_pt_anything): Clear pi->pt_vars.
10921         (set_pt_malloc): Remove.
10922         (merge_pointed_to_info): Remove.
10923         (add_pointed_to_expr): Remove.
10924         (add_pointed_to_var): Remove.
10925         (collect_points_to_info_r): Remove.
10926         (is_escape_site): Make extern.
10927         (create_sft): New.
10928         (create_overlap_variables_for): Call it.
10929         * tree-ssa-copy.c (merge_alias_info): Never merge
10930         flow-sensitive alias information.
10931         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10932         offset and size to be unsigned HOST_WIDE_INT.
10933         (add_to_addressable_set): Rename from note_addressable.
10934         Set TREE_ADDRESSABLE as the variables are added to the set.
10935         Update all users.
10936         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10937         operands into VUSEs when adding V_MAY_DEFs for members in an
10938         alias set.
10939         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10940         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10941         (struct variable_info): Add bitfield is_heap_var.
10942         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10943         (new_var_info): Initialize is_heap_var.
10944         (get_constraint_for): Add HEAP variables to the symbol table.
10945         Mark them with is_heap_var.
10946         (update_alias_info): New.  Taken mostly from the old
10947         compute_points_to_and_addr_escape.
10948         (handle_ptr_arith): New.
10949         (find_func_aliases): Call update_alias_info.
10950         Call handle_ptr_info for tcc_binary expressions.
10951         Call mark_stmt_modified.
10952         (create_variable_info_for): If DECL has subvars, do not create
10953         variables for its subvars.  Always add all the fields.
10954         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10955         SFTs, then add all the SFTs of the structure.
10956         If VI->DECL is an aggregate with subvariables, add the SFT at
10957         VI->OFFSET.
10958         (find_what_p_points_to): If VI is an artificial variable,
10959         translate to bitfields in SSA_NAME_PTR_INFO.
10960         If the solution is empty, set pi->pt_vars to NULL
10961         (init_base_vars): Create ANYOFFSET.
10962         (compute_points_to_sets): Rename from create_alias_vars.
10963         Make extern.
10964         (pass_build_pta): Remove.
10965         (delete_points_to_sets): Rename from delete_alias_vars.
10966         (pass_del_pta): Remove.
10967         * tree-ssa-structalias.h (struct alias_info): Move from
10968         tree-ssa-alias.h.
10969         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10970         NUM_REFERENCES_SET): Likewise.
10971         (compute_points_to_sets, delete_points_to_sets): Declare.
10972
10973 2005-07-09  Richard Henderson  <rth@redhat.com>
10974
10975         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10976         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10977         alpha_split_lock_test_and_set_12): New functions.
10978         * config/alpha/alpha-protos.h: Update.
10979         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10980         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10981         * config/alpha/sync.md (I12MODE): New.
10982         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10983         (sync_<fetchop_name><I48MODE>): Likewise.
10984         (sync_nand<I48MODE>): Likewise.
10985         (sync_old_<fetchop_name><I48MODE>): Likewise.
10986         (sync_new_<fetchop_name><I48MODE>): Likewise.
10987         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10988         (sync_compare_and_swap<I48MODE>): Likewise.
10989         (sync_lock_test_and_set<I48MODE>): Likewise.
10990         (sync_compare_and_swap<I12MODE>): New.
10991         (sync_compare_and_swap<I12MODE>_1): New.
10992         (sync_lock_test_and_set<I12MODE>): New.
10993         (sync_lock_test_and_set<I12MODE>_1): New.
10994
10995 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10996
10997         PR 21356
10998         PR 22332
10999         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11000
11001 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11002
11003         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11004         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11005
11006 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11007
11008         PR target/21656
11009         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11010
11011 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11012
11013         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11014         memory_operand constraint.
11015         (store_conditional_<mode>): Same.
11016         (sync_compare_and_swap<mode>): Same.
11017         (sync_lock_test_and_set<mode>): Same.
11018
11019 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11020
11021         Rewrite PIC support to more closely model actual instructions.
11022         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11023         (cris_symbol): Remove prototypes for removed functions.
11024         (cris_pic_symbol_type_of, cris_valid_pic_const)
11025         (cris_expand_pic_call_address): Prototypes for new functions.
11026         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11027         variable.
11028         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11029         modifiers.
11030         <case ':'>: Add case for new punctuation character.
11031         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11032         emitting (extra) PIC modifier.
11033         <case UNSPEC>: Do not assert for PLT.
11034         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11035         (cris_expand_prologue, cris_expand_epilogue): Check
11036         for pic_offset_table_rtx usage instead of taking
11037         current_function_uses_pic_offset_table as the final word.
11038         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11039         Remove flag_pic difference.
11040         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11041         the moral equivalents of...
11042         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11043         functions.
11044         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11045         (cris_handle_option): Mark ARG as unused.
11046         (cris_expand_pic_call_address): New worker function for "call",
11047         "call_value".
11048         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11049         output PIC constructs here.
11050         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11051         as symbol-specific modifers, not whole or part of operands.
11052         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11053         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11054         constants and flag_pic.
11055         (CONSTANT_INDEX_P): Adjust for new functions.
11056         (enum cris_pic_symbol_type): New helper type.
11057         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11058         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11059         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11060         define_constants.
11061         ("movsi"): Emit actual instructions for GOT and relative access.
11062         ("*movsi_got_load"): New pattern to set up the register holding
11063         the GOT pointer.
11064         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11065         Adjust FIXME for 'S'.
11066         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11067         Use "movs" for -fpic cases.
11068         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11069         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11070         ("call", "call_value"): Just call cris_expand_pic_call_address for
11071         PIC addresses.
11072         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11073         Remove special pattern.
11074         ("*expanded_call_side", "*expanded_call_value_side"): New
11075         patterns.
11076         (gotplt-to-plt, gotplt-to-plt-side-call)
11077         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11078         peephole2:s.
11079         * config/cris/cris/predicates.md
11080         ("cris_general_operand_or_gotless_symbol"): Remove unused
11081         predicate.
11082         ("cris_general_operand_or_symbol"): Adjust for new functions.
11083
11084 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11085
11086         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11087
11088 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11089
11090         * Makefile.in (TREE_H): Add treestruct.def.
11091         (c-decl.o): Add pointer-set.h
11092         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11093         visibility on regular DECL's.
11094         (merge_decls): Fix the copying of decl nodes of various types for
11095         the new structures.  Don't update RTL, section name, weak status,
11096         etc, on DECL's without RTL.
11097         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11098         Don't check volatile on non-variable types.
11099         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11100         to check whether we have seen arguments.
11101         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11102         flag is checked before field (flag is common, field is not).
11103         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11104         TS_DECL_COMMON could have an origin.
11105         (add_location_or_const_value_attribute): Don't check section name
11106         on non-var/function decls.
11107         (dwarf2out_var_location): Reverse order of tests.
11108         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11109         with DECL_WRTL_CHECK.
11110         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11111         * fold-const.c (fold_binary): Don't check weakness on
11112         non-var/function decls.
11113         (tree_expr_nonzero_p): Ditto.
11114         (fold_checksum_tree): Use tree_decl_extra as sizeof
11115         buffer.
11116         * ggc-page.c (extra_order_size_table): Add sizes for
11117         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11118         tree_field_decl.
11119         * gimplify.c (gimplify_bind_expr): Only set
11120         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11121         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11122         without RTL.
11123         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11124         * langhooks.h (init_ts). New langhook.
11125         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11126         * print-tree.c (print_node): Update to only print fields that
11127         exist in the structures the passed decl has.
11128         * toplev.c (wrapup_global_declarations): Don't reset
11129         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11130         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11131         * tree-inline.c (remap_decl): Ditto.
11132         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11133         * tree-pretty-print.c (print_declaration): Don't print
11134         DECL_REGISTER on things that don't contain it.
11135         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11136         non-var/function decls.
11137         * tree.c (tree_contains_struct): New structure.
11138         (init_priority_for_decl): New hashtable.
11139         (tree_int_map): New structure.
11140         (tree_int_map_eq): New function.
11141         (tree_int_map_marked_p): Ditto.
11142         (tree_int_map_hash): Ditto.
11143         (tree_map): Move to tree.h.
11144         (tree_map_eq): Externalize.
11145         (tree_map_hash): Ditto.
11146         (tree_map_marked_p): Ditto.
11147         (init_ttree): Set up tree_contains_struct and call langhook.
11148         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11149         (tree_code_size): Update for new structures.
11150         (tree_node_structure): Update for new structures.
11151         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11152         without the field.
11153         (copy_node_stat):  Copy init priority.
11154         (build_decl_stat): Ditto for visibility.
11155         (ts_enum_names): New.
11156         (tree_contains_struct_check_failed): New function.
11157         (decl_init_priority_lookup): Ditto.
11158         (decl_init_priority_insert): Ditto.
11159         * treestruct.def: New file.
11160         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11161         (CONTAINS_STRUCT_CHECK): Ditto.
11162         (tree_contains_struct_check_failed): New prototype.
11163         (DECL_CHECK): Removed.
11164         (DECL_MINIMAL_CHECK): New.
11165         (DECL_COMMON_CHECK): Ditto.
11166         (DECL_WRTL_CHECK): Ditto.
11167         (DECL_NON_COMMON_CHECK): Ditto.
11168         (DECL_WITH_VIS_CHECK): Ditto.
11169         (VAR_OR_FUNCTION_DECL_P): Ditto
11170         (struct tree_decl_minimal): New structure.
11171         (struct tree_decl_common): Ditto.
11172         (struct tree_decl_with_rtl): Ditto.
11173         (struct tree_decl_with_vis): Ditto.
11174         (struct tree_decl_non_common): Ditto.
11175         (struct tree_field_decl): Ditto.
11176         (struct tree_parm_decl): Ditto.
11177         (struct tree_var_decl): Ditto.
11178         (struct tree_function_decl): Ditto.
11179         (struct tree_const_decl): Ditto.
11180         (struct tree_result_decl): Ditto.
11181         (union tree_node): Add new structures.
11182         * var-tracking.c (track_expr_p): Reverse order of tests.
11183
11184         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11185
11186 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11187
11188         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11189         * system.h: Poison FINALIZE_PIC.
11190         * doc/tm.texi (FINALIZE_PIC): Remove.
11191
11192 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11193
11194         PR tree-opt/22329
11195         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11196         to the correct type if we have a MODIFY_EXPR.
11197
11198 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11199
11200         PR tree-optimization/22360
11201         * tree.c (upper_bound_in_type): Fix calculations for casting
11202         to a non-wider signed type and casting a signed value to a
11203         wider unsigned type.
11204         (lower_bound_in_type): Fix calculations for casting to a
11205         non-wider signed type.
11206
11207         PR tree-optimization/20139
11208         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11209         release_defs.
11210         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11211         fold_cond_expr_cond.
11212         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11213         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11214
11215 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11216
11217         PR tree-opt/22356
11218         * tree-complex.c (expand_complex_libcall): Produce
11219         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11220
11221 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11222
11223         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11224         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11225         b" assert and inserted fastpath code for this case.
11226         (bitmap_ior): Removed "a != b" assert.
11227
11228 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11229
11230         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11231         (ENDFILE_SPEC): Likewise.
11232         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11233
11234         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11235         a large stack frame at epilogue.
11236
11237 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11238
11239         * final.c: Include sdbout.h when required.
11240
11241 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11242
11243         * config.gcc (*-*-darwin*): Only one target-specific header file
11244         for generic darwin.
11245         (powerpc-*-darwin*): Add version-specific header files.
11246         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11247         * config.in: Regenerate.
11248         * configure: Regenerate.
11249         * gcc.c: Include xregex.h.
11250         (version_compare_spec_function): New.
11251         (spec_function): Add version-compare.
11252         (replace_outfile_spec_function): Reformat comment.
11253         (compare_version_strings): New.
11254         * config/darwin-c.c (version_as_macro): New.
11255         (builtin_define): New.
11256         (darwin_cpp_builtins): New.
11257         * config/darwin-protos.h (darwin_cpp_builtins): New.
11258         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11259         (LIB_SPEC): Make unconditional, update comment.
11260         (TARGET_C99_FUNCTIONS): Define.
11261         * config/darwin.opt: Sort.
11262         (mmacosx-version-min=): New.
11263         * config/darwin7.h: Delete.
11264         * config/darwin8.h: Delete.
11265         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11266         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11267         (TARGET_C99_FUNCTIONS): Define.
11268         * config/rs6000/darwin7.h: New.
11269         * config/rs6000/darwin8.h: New.
11270         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11271         (-mmacosx-version-min): Document.
11272
11273 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11274
11275         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11276
11277 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11278
11279         PR middle-end/22239
11280         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11281
11282 2005-07-07  Khem Raj  <kraj@mvista.com>
11283
11284         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11285         in bytes, not words.
11286
11287 2005-07-07  Paul Brook  <paul@codesourcery.com>
11288
11289         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11290         DEFAULT_FUNCTION_ARG_PADDING to upward.
11291
11292 2005-07-07  Richard Henderson  <rth@redhat.com>
11293
11294         * function.c (locate_and_pad_parm): Record parameter alignment in
11295         stack_alignment_needed.
11296
11297 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11298
11299         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11300         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11301         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11302         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11303         (define_attr "type"): Add isync, sync, load_l, store_c.
11304         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11305         Create scratch volatile MEM.
11306         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11307         sync.
11308         (load_locked_<mode>): New.
11309         (store_conditional_<mode>): New.
11310         (sync_compare_and_swap<mode>): Replace with splitter.
11311         (sync_lock_test_and_set<mode>): Replace with splitter.
11312         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11313         and UNSPECV_ISYNC.
11314         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11315         is ics.  Attribute isync.
11316         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11317         lwsync.
11318         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11319         and UNSPECV_SYNC_OP.
11320         (emit_unlikely_jump): New.
11321         (emit_load_locked): New.
11322         (emit_store_conditional): New.
11323         (rs6000_split_compare_and_swap): New.
11324         (rs6000_split_lock_test_and_set): New.
11325         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11326         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11327         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11328         rs6000_split_lock_test_and_set): Declare.
11329         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11330         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11331         store_c, isync, sync.
11332
11333 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11334
11335         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11336         filenames to gtyp-gen.h.
11337         (s-typ-gen): Use it in place of for loops.
11338
11339 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11340
11341         * hooks.c (hook_bool_rtx_int_false): New function.
11342         * hooks.h (hook_bool_rtx_int_false): Declare.
11343         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11344         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11345         * target.h (struct gcc_target): Add commutative_p member.
11346         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11347         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11348         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11349         (pa_commutative_p): New function.
11350         * jump.c (target.h): Include.
11351         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11352         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11353
11354 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11355
11356         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11357         (s390_expand_setmem): New.
11358         * config/s390/s390.c: Likewise.
11359         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11360         Adapt comments.
11361         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11362         general_operand.  Call new function "s390_expand_setmem".
11363         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11364         ("setmem_long", "*setmem_long"): ... this.
11365
11366 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11367
11368         * config/s390/s390.c: (optimization_options): Enable
11369         TARGET_MVCLE at -Os.
11370         * doc/invoke.texi: Document changes in default behaviour.
11371         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11372
11373 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11374
11375         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11376         defined by back-end.
11377
11378 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11379
11380         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11381         all sets in the pattern.
11382         * config/rs6000/rs6000.md (stack_protect_testsi,
11383         stack_protect_testdi): Likewise.
11384
11385 2005-07-06  Jeff Law  <law@redhat.com>
11386
11387         * tree-vrp.c (simplify_using_ranges): Kill.
11388         (vrp_finalize): Remove call to simplify_using_ranges.
11389         (simplify_stmt_using_ranges): New function extracted from
11390         simplify_using_ranges.
11391         (simplify_div_or_mod_using_ranges): Likewise.
11392         (simplify_abs_using_ranges): Likewise.
11393         (simplify_cond_using_ranges): New function.
11394         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11395         * tree-ssa-propagate.c (substitute_and_fold): Call
11396         simplify_stmt_using_ranges if we have range information.
11397
11398 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11399
11400         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11401         ia64_flag_schedule_isns2.
11402
11403         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11404         reading/writing general registers.
11405         (ia64_function_arg): Revert 2005-06-18 change.
11406
11407 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11408
11409         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11410         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11411
11412 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11413
11414         * function.c (expand_function_end): Revert part of 2005-06-27
11415         patch.  Do sjlj_emit_function_exit_after after return_label.
11416
11417 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11418
11419         * doc/install.texi (--disable-libssp): New.
11420
11421 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11422
11423         * doc/invoke.texi: Update -fforce-mem documentation.
11424         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11425         code for -fforce-mem.
11426         * expmed.c: (store_bit_field,store_fixed_bit_field,
11427         extract_bit_field): Ditto.
11428         * expr.c: (convert_move): Ditto.
11429         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11430         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11431         emit_conditional_add,expand_float,expand_fix): Ditto.
11432         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11433         (common_handle_option): Issue warning when -fforce-mem specified.
11434
11435 2005-07-06  Paul Brook  <paul@codesourcery.com>
11436
11437         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11438         argument is empty.
11439         * configure: Regenerate.
11440
11441 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11442
11443         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11444
11445 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11446
11447         Fix PR tree-optimization/22319
11448         Fix PR tree-optimization/22140
11449         Fix PR tree-optimization/22310
11450
11451         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11452         variable sized types.
11453         Use correct type for intermediate structure on *a = *b structure
11454         copies.
11455
11456 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11457
11458         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11459         Remove.
11460         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11461         (machine_function): Move typedef to...
11462         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11463         varargs_save_offset field.
11464         (rs6000_stack_t): Remove varargs_size field.
11465         (setup_incoming_varargs): Allocate varargs save area using
11466         assign_stack_local, try to make it as small as possible.
11467         Save offset from virtual_stack_vars_rtx to the save area
11468         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11469         instead of magic 8 when fp word byte size is used.
11470         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11471         instead of -RS6000_VARARGS_SIZE.
11472         (rs6000_stack_info, debug_stack_info,
11473         rs6000_initial_elimination_offset): Remove all traces of
11474         varargs_size.
11475         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11476         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11477         RS6000_VARARGS_AREA.
11478
11479 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11480
11481         PR tree-optimization/21963
11482         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11483         constant_multiple_of in the same way get_computation_cost_at does.
11484
11485 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11486
11487         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11488         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11489         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11490         and return its previous value.
11491         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11492         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11493         constants.
11494         (stack_protect_set, stack_protect_test): New expanders.
11495         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11496         stack_protect_testdi): New insns.
11497         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11498         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11499
11500 2005-07-06  Jeff Law  <law@redhat.com>
11501
11502         * tree-ssa-dce.c (cfg_altered): New global.
11503         (tree_dce_init): Initialize cfg_altered.
11504         (remove_dead_stmt): If we remove an edge in the CFG, then set
11505         CFG_ALTERED.
11506         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11507         the dominators.
11508
11509 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11510
11511         * Makefile.in (stamp-collect-ld): Use
11512         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11513         ./collect-ld if it already exists.
11514         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11515         Don't remove ./nm if it already exists.
11516
11517 2005-07-05  Devang Patel  <dpatel@apple.com>
11518
11519         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11520         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11521         * tree-vectorizer.c (vect_loop_location): New.
11522         (vect_print_dump_info): Use vect_loop_location.
11523         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11524         (vectorize_loops): Set vect_loop_location.
11525         * tree-vect-analyze.c (vect_analyze_offset_expr,
11526         vect_determin_vectorization_factor, vect_analyze_operations,
11527         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11528         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11529         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11530         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11531         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11532         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11533         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11534         vect_analyze_loop): Adjust vect_print_dump_info API.
11535         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11536         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11537         vect_finish_stmt_generation, vectorizable_assignment,
11538         vectorizable_operation, vectorizable_store, vectorizable_load,
11539         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11540         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11541         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11542         vect_transform_loop): Same.
11543         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11544         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11545         Same.
11546
11547 2005-07-05  Randolph Chung  <tausq@debian.org>
11548
11549         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11550         * configure: Regenerate.
11551         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11552         (pa_tls_referenced_p): Declare.
11553         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11554         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11555         (legitimize_tls_address): New.
11556         (hppa_legitimize_address): Handle TLS addresses.
11557         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11558         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11559         (emit_move_sequence): Handle TLS addresses.
11560         (pa_encode_section_info): Call default handler to handle common
11561         sections.
11562         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11563         (CONSTANT_ADDRESS_P): Reject TLS operands.
11564         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11565         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11566         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11567         (UNSPEC_TLSLE): Define new constants.
11568         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11569         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11570         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11571         (tie_symbolic_operand, tle_symbolic_operand): New
11572
11573 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11574
11575         * aclocal.m4: Update macros for autoconf 2.59 style.
11576         * configure.ac: Likewise.
11577
11578 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11579
11580         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11581         (function_arg): Pass small aggregates in general registers on 32-bit
11582         targets.
11583         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11584
11585 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11586
11587         * Makefile.in (final.o): Fix dependencies.
11588
11589 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11590
11591         PR c/22013
11592         PR c/22098
11593         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11594         * langhooks.c (lhd_expr_to_decl): New.
11595         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11596         New.
11597         (LANG_HOOKS_INITIALIZER): Update.
11598         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11599         expr_to_decl langhook.
11600         * c-tree.h (c_expr_to_decl): Declare.
11601         * c-typeck.c (c_expr_to_decl): New.
11602         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11603         specially.
11604         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11605
11606 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11607
11608         PR c/22308
11609         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11610         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11611
11612 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11613
11614         * Makefile.in: Adjust dependencies.
11615         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11616         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11617         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11618         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11619         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11620         rest_of_compilation.
11621
11622         * bb-reorder.c (gate_duplicate_computed_gotos,
11623         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11624         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11625         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11626         pass_partition_blocks): New.
11627         * bt-load.c (gate_handle_branch_target_load_optimize,
11628         rest_of_handle_branch_target_load_optimize,
11629         pass_branch_target_load_optimize): New.
11630         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11631         pass_jump2): New.
11632         * cfglayout.c (pass_insn_locators_initialize): New.
11633         * cfgrtl.c (pass_free_cfg): New.
11634         * combine.c (gate_handle_combine, rest_of_handle_combine,
11635         pass_combine): New.
11636         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11637         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11638         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11639         * except.c (pass_set_nothrow_function_flags,
11640         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11641         pass_rtl_eh): New.
11642         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11643         rest_of_handle_shorten_branches, pass_shorten_branches,
11644         rest_of_clean_state, pass_clean_state): New.
11645         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11646         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11647         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11648         pass_flow2): New.
11649         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11650         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11651         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11652         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11653         pass_gcse): New.
11654         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11655         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11656         pass_rtl_ifcvt, gate_handle_if_after_combine,
11657         rest_of_handle_if_after_combine, pass_if_after_combine,
11658         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11659         pass_if_after_reload): New.
11660         * integrate.c (pass_initial_value_sets): New.
11661         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11662         pass_purge_lineno_notes): New.
11663         * mode-switching.c (rest_of_handle_mode_switching,
11664         pass_mode_switching): New.
11665         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11666         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11667         pass_loop2): New.
11668         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11669         pass_loop_optimize): New.
11670         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11671         pass_sms): New.
11672         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11673         pass_gcse2): New.
11674         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11675         pass_postreload_cse): New.
11676         * profile.c (gate_handle_profiling, pass_profiling,
11677         rest_of_handle_branch_prob, pass_branch_prob): New.
11678         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11679         pass_split_before_regstack, gate_handle_split_before_regstack,
11680         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11681         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11682         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11683         pass_stack_regs): New.
11684         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11685         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11686         pass_stack_adjustments): New.
11687         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11688         pass_regrename): New.
11689         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11690         pass_delay_slots, gate_handle_machine_reorg,
11691         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11692         * rtl.h (extern void purge_line_number_notes): New.
11693         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11694         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11695         pass_sched2): New.
11696         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11697         pass_tracer): New.
11698         * value-prof.c (gate_handle_value_profile_transformations,
11699         rest_of_handle_value_profile_transformations,
11700         pass_value_profile_transformations): New.
11701         * var-tracking.c (gate_handle_var_tracking,
11702         pass_variable_tracking): New.
11703         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11704
11705         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11706         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11707         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11708         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11709         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11710         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11711         rest_of_handle_gcse2, rest_of_handle_regmove,
11712         rest_of_handle_tracer, rest_of_handle_if_conversion,
11713         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11714         rest_of_handle_web, rest_of_handle_branch_prob,
11715         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11716         rest_of_handle_jump_bypass, rest_of_handle_combine,
11717         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11718         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11719         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11720         rest_of_handle_mode_switching, rest_of_handle_jump,
11721         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11722         rest_of_handle_flow2, rest_of_handle_jump2,
11723         rest_of_handle_peephole2, rest_of_handle_postreload,
11724         rest_of_handle_shorten_branches, rest_of_clean_state,
11725         rest_of_compilation): Remove.
11726
11727         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11728         * passes.c (dump_flags, in_gimple_form, all_passes,
11729         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11730         register_dump_files, next_pass_1, last_verified, execute_todo,
11731         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11732         from tree-optimize.c.
11733         (init_optimization_passes): Moved from tree-optimize.c,
11734         adding the RTL optimizations.
11735         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11736         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11737         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11738         register_dump_files, next_pass_1, last_verified, execute_todo,
11739         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11740         init_tree_optimization_passes, ipa_passes): Delete.
11741         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11742         the RTL dumps.
11743         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11744         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11745         from tree.h.
11746         (ipa_passes): Remove.
11747         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11748         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11749         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11750         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11751         (dump_info_p, dump_flag): Moved to tree-dump.h.
11752
11753         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11754         cgraph.c, opts.c.
11755         * passes.c (finish_optimization_passes): Use dump_begin
11756         and dump_end, TDI_end.
11757         (gate_rest_of_compilation): New.
11758         (pass_rest_of_compilation): Use it.
11759         (gate_postreload, pass_postreload): New.
11760         * toplev.c (general_init): Rename init_tree_optimization_passes.
11761         * toplev.h (init_tree_optimization_passes): Rename to
11762         init_optimizations_passes.
11763         * tree-dump.c (dump_flag): Make static.
11764         (dump_files): Remove RTL dumps.
11765         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11766         pass_cleanup_cfg, pass_free_cfg_annotations,
11767         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11768         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11769         * tree-pretty-print.c: Include tree-pass.h.
11770         * cgraph.c: Include tree-dump.h.
11771
11772 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11773
11774         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11775         Only fall back to saying it points to readonly memory if
11776         we can't do better.
11777
11778 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11779
11780         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11781         * config/m32r/m32r.c (m32r_compute_frame_size,
11782         m32r_expand_prologue): Take current_function_profile into
11783         account whenever we reference
11784         current_function_uses_pic_offset_table.
11785         (m32r_finalize_pic): Remove.
11786         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11787
11788 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11789
11790         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11791         instead of $<.  Don't remove ./as if it already exists.
11792
11793 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11794
11795         PR target/21723
11796         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11797         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11798         for complex modes when generating code for PA 1.0.
11799         (VALID_FP_MODE_P): New macro.
11800         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11801         sets for all general and floating point modes.  Align wide floating
11802         point modes to even register boundaries to comply with architectural
11803         requirements.
11804         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11805         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11806         (VALID_FP_MODE_P): New macro.
11807         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11808         sets for all general and floating point modes.  Align wide floating
11809         point modes to even register boundaries to comply with architectural
11810         requirements.
11811
11812 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11813
11814         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11815         to 0.
11816
11817 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11818
11819         * tree-ssa-structalias.c: Don't include expr.h.
11820
11821 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11822
11823         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11824         comments.
11825
11826 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11827
11828         Fix PR tree-optimization/22279
11829
11830         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11831         correct operator.
11832
11833 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11834
11835         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11836
11837 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11838
11839         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11840         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11841         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11842         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11843         config/stormy16/stormy16.c, config/v850/v850.c,
11844         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11845         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11846         Avoid "." or "\n" at end of diagnostics and capital letters at
11847         start of diagnostics.
11848         * combine.c, cse.c: Don't translate dump file output.
11849         * toplev.c (print_version): Only translate output if going to
11850         stderr.
11851
11852 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11853
11854         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11855         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11856         typos.
11857
11858 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11859
11860         * pa.c (fix_range): Fix typo in comment.
11861
11862 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11863
11864         * tree-vrp.c (extract_range_from_assert): Replace
11865         fold (build (...)) with fold_build2.
11866
11867 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11868
11869         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11870         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11871         (format_types_orig, handle_format_attribute): Add support for
11872         format "gcc_gfc".
11873
11874 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11875
11876         * varasm.c (assemble_variable): Fix format specifier thinko.
11877
11878 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11879
11880         PR tree-optimization/22029 (and 22135)
11881         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11882         a phi node before calling dump_vops.
11883
11884 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11885
11886         * tree-dump.h (dump_string_field): Declare.
11887         * tree-dump.c: Use it instead of dump_string.
11888         (dump_string_field): Make non-static.
11889
11890 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11891
11892         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11893         up the minimal CFG stuff always when optimize > 0.  Call
11894         split_all_insns_noflow in PIC case if needed.
11895
11896 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11897             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11898
11899         PR c++/18279
11900         * c-decl.c (c_write_global_declarations): Dump contents of
11901         external scope to.
11902         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11903         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11904         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11905         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11906         is enabled.
11907
11908 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11909
11910         * c-common.h (GCC_DIAG_STYLE): Define.
11911         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11912         version for format checking to 4.1.
11913         * c-format.c: Include toplev.h after c-common.h.
11914         (enum format_type): Add gcc_tdiag_format_type.
11915         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11916         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11917         (format_types_orig): Add gcc_tdiag.
11918         (init_dynamic_diag_info): Support gcc_tdiag formats.
11919         (handle_format_attribute): Likewise.
11920         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11921         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11922         version for format checking to 4.1.
11923         (warning0, warning, error, pedwarn, sorry): Use
11924         ATTRIBUTE_GCC_DIAG.
11925         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11926         (finish_aliases_1): Do not use %qE.
11927         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11928         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11929         Correct format bugs.
11930         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11931         parameter to unsigned HOST_WIDE_INT.
11932         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11933
11934 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11935
11936         PR middle-end/21742
11937         * expr.c (write_complex_part): Use adjust_address for MEM.
11938         (read_complex_part): Same.
11939
11940 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11941
11942         Fix PR tree-optimization/22280
11943
11944         * tree-sra.c (generate_element_init): Remove useless loop.
11945
11946 2005-07-02  Richard Henderson  <rth@redhat.com>
11947
11948         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11949         TLS_MODEL_NONE.
11950         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11951
11952 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11953
11954         PR middle-end/14490
11955         * fold-const.c (fold_binary): Handle the return value of
11956         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11957         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11958
11959 2005-07-02  Jeff Law  <law@redhat.com>
11960
11961         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11962         a eliminate type conversion which feeds an equality comparison
11963         if the original type or either operand in the comparison is a
11964         function pointer.
11965
11966 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11967
11968         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11969         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11970         texts.
11971         * config/avr/avr.c: Do not use '`' as left quote.
11972         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11973         Remove "." from end of diagnostics.  Make diagnostics start with
11974         lowercase letter.
11975
11976 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11977             Joseph S. Myers  <joseph@codesourcery.com>
11978
11979         * toplev.c (default_tree_printer): Handle setting location with
11980         '+' flag.
11981         * c-objc.common.c (c_tree_printer): Likewise.
11982         * c-format.c (gcc_diag_flag_specs): Add '+'.
11983         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11984         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11985         formats.
11986         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11987         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11988         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11989         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11990         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11991         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11992         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11993         format arguments where %J is used without %D.
11994
11995 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11996
11997         * gcc.c (LINK_SSP_SPEC): Define.
11998         (link_ssp_spec): New variable.
11999         (LINK_COMMAND_SPEC): Add %(link_ssp).
12000         (static_specs): Add link_ssp_spec.
12001         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12002         * configure: Rebuilt.
12003         * config.in: Rebuilt.
12004
12005         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12006         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12007         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12008         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12009         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12010         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12011         -0x7008(2) instead of reading __stack_chk_guard variable.
12012         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12013         number.
12014         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12015         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12016         if TARGET_THREAD_SSP_OFFSET is defined.
12017         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12018         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12019
12020         Revert:
12021         2005-06-27  Richard Henderson  <rth@redhat.com>
12022         * libgcc-std.ver (GCC_4.1.0): New.
12023         * libgcc.h (__stack_chk_guard): Declare.
12024         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12025         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12026         * mklibgcc.in (lib2funcs): Add them.
12027
12028 2005-07-01  Richard Henderson  <rth@redhat.com>
12029
12030         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12031         void * before struct sigcontext *.
12032         (x86_fallback_frame_state): Likewise.
12033
12034 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12035
12036         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12037
12038 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12039
12040         PR tree-opt/22269
12041         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12042         we check for SSA_NAME for.
12043
12044 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12045
12046         Fix PR tree-optimization/22071
12047
12048         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12049         function.
12050         (get_constraint_for_component_ref): Use it.
12051
12052 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12053
12054         PR other/22264
12055         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12056         print out the last new line.
12057
12058 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12059
12060         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12061         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12062         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12063         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12064         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12065         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12066         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12067         (enum reg_class): New member CC0_REGS.
12068         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12069         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12070         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12071         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12072         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12073         Adjust for register now described.
12074
12075 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12076
12077         PR target/22262
12078         * config/i386/i386.md (stack_protect_test_si,
12079         stack_protect_test_di): Add earlyclobber for scratch 3.
12080         * config/rs6000/rs6000.md (stack_protect_testsi,
12081         stack_protect_testdi): Add earlyclobber for scratch 3,
12082         remove earlyclobber from scratch 4.
12083
12084 Older entries for 2005 can be found in ChangeLog-2005.