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1 2005-12-16  Steven Bosscher  <stevenb@suse.de>
2
3         * loop-invariant.c (move_loop_invariants): Add missing hunk from
4         the previous patch, to nullify df.
5
6 2005-12-16  Steven Bosscher  <stevenb@suse.de>
7
8         * reorg.c (mostly_true_jump): Clean up code depending on
9         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
10         poor man's branch prediction, instead rely on REG_BR_PROB
11         notes to be available.
12
13 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
14
15         PR rtl-optimization/24899
16         * loop.c (strength_reduce): Don't reduce giv that is not always
17         computable and where add_val or mult_val can trap.
18
19         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
20
21 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
22
23         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
24         names of ms1-16-002 files.
25
26 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
27
28         PR driver/20425
29         * gcc.c (for_each_path): New function.
30         (add_to_obstack, file_at_path): New functions.
31         (struct file_at_path_info, struct add_to_obstack_info): New.
32         (build_search_list): Rewrite using for_each_path.  Constify struct
33         path_prefix pointer.  Add do_multi param.  Adjust all callers.
34         (find_a_file): Similarly, but just change existing param to bool.
35         (putenv_from_prefixes): Add do_multi param, make "paths" const.
36         (do_spec_path): Delete.
37         (struct spec_path_info): New.
38         (spec_path): New function.
39         (do_spec_1): Use for_each_path for %D and %I.
40         (find_file): Adjust for find_a_file changes.
41         (main): Search multilibs for specs.  Print multilib lib path for
42         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
43         (read_specs): Search multilibs for %include and %include_noerr.
44         (is_directory): Remove second string param.  Change last param
45         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
46         check path is a dir.  Update all callers.
47         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
48         * system.h (SMALL_ARG_MAX): Poison.
49         * config.gcc: Don't define SMALL_ARG_MAX.
50         * config.host: Likewise.
51         * config.build: Likewise.
52
53 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
54
55         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
56         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
57         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
58         simplify_logical): Move simplifications that do not require
59         additional infrastructure...
60         * simplify-rtx.c (simplify_unary_operation_1,
61         simplify_binary_operation_1): ... here.
62
63 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
64
65         PR 24823
66         * flow.c (mark_used_dest_regs): New function.
67         (mark_used_regs): Call mark_used_dest_regs.
68
69 2005-12-16  Jeff Law  <law@redhat.com>
70
71         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
72         represent a use and definition of the same SSA_NAME.
73
74 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
75             Janis Johnson  <janis187@us.ibm.com>
76             Ben Elliston  <bje@au.ibm.com>
77
78         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
79         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
80         * target.h (struct gcc_target): Add decimal_float_supported_p.
81         * targhooks.c (default_scalar_mode_supported_p): Handle
82         MODE_DECIMAL_FLOAT.
83         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
84         of inf, nan, finite, isinf and isnan.
85         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
86         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
87         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
88         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
89         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
90         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
91         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
92         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
93         Pedwarn if decimal floating point types are used.  Error if
94         decimal floating point is not supported by the target.
95         (finish_declspecs): Return type from DFP typespec_word.
96         * c-typeck.c (c_common_type): Choose the decimal floating point
97         type with the greater precision when determining a common type.
98         (convert_arguments): Warn if there is a mismatch between argument
99         and prototype for decimal float types.  Warn of conversions with
100         binary float types and of precision narrowing due to prototype.
101         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
102         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
103         (c_token_starts_declspecs): Likewise.
104         (c_parser_attributes): Likewise.
105         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
106         RID_DFLOAT64, RID_DFLOAT128.
107         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
108         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
109         (shorten_compare): Convert DFP/BFP operands to a common type.
110         (c_common_modes_and_builtins): Register built-in decimal float
111         types if the target supports them.
112         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
113         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
114         inf, nan, finite, isinf and isnan builtins.
115         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
116         (builtin_define_float_constants): Assert non-decimal radix.
117         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
118         Call builtin_define_decimal_float_constants for each type.
119         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
120         flags.  Use real_from_string3, which can handle binary or decimal
121         floats.
122         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
123         cts_dfloat64, cts_dfloat128.
124         * tree.c (build_common_tree_nodes_2): Add decimal float types.
125         * tree.h (enum tree_index): Add new enumeration values
126         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
127         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
128         (dfloat32_type_node): New macro.
129         (dfloat64_type_node, dfloat128_type_node): Likewise.
130         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
131         (dfloat128_ptr_type_node): Likewise.
132         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
133         bit decimal floating point types with "df", "dd" and "dl".
134         * c-format.h (enum format_lengths): Add new enumeration values
135         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
136         * c-format.c (printf_length_specs, scanf_length_specs): Add
137         entries for H, D, DD.
138         (print_char_table, scan_char_table): Use new entries.
139         (asm_fprintf_char_table, gcc_diag_char_table,
140         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
141         length arrays.
142         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
143         (DECIMAL64_TYPE_SIZE): Likewise.
144         (DECIMAL128_TYPE_SIZE): Likewise.
145         (TARGET_DEC_EVAL_METHOD): Likewise.
146         * doc/extend.texi (Decimal Float): New node.
147         (Constructing Calls): Document decimal float built-ins.
148         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
149         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
150         * ginclude/decfloat.h: New file.
151
152 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
153
154         * reload.c (find_reloads): Fix comment typo.
155         * recog.h (recog_memoized): Correct comment.
156
157 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
158
159         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
160         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
161         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
162         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
163         * doc/invoke.texi, doc/tm.texi: Fix typos.
164
165 2005-12-16  Ben Elliston  <bje@au.ibm.com>
166
167         * real.c (decimal_quad_format): Correct values for emin, emax.
168
169 2005-12-15  DJ Delorie  <dj@redhat.com>
170
171         * config/m32c/predicates.md (m32c_psi_scale): New.
172         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
173         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
174
175 2005-12-16  Jan Hubicka  <jh@suse.cz>
176
177         PR rtl-optimization/25224
178         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
179         tables.
180
181 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
182             Steven Bosscher <stevenb@suse.de>
183
184         * loop-invariant.c (df): New global variable.
185         (find_defs, check_dependencies, find_invariant_insn, record_uses,
186         find_invariants_bb, find_invariants_body, find_invariants,
187         find_invariants_to_move, move_invariants, free_inv_motion_data,
188         move_single_loop_invariants, move_loop_invariants): Do not pass df in
189         arguments.
190
191 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
192
193         * varasm.c (default_unique_section_1): Use special section
194         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
195
196 2005-12-16  Ben Elliston  <bje@au.ibm.com>
197
198         * doc/invoke.texi (Warning Options): Document -Walways-true being
199         enabled by -Wall.
200
201 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
202
203         PR other/25028
204         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
205         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
206         __floatunditf): Use #error if type sizes don't match requirements
207         of implementation.
208         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
209         as wider floating-point type.  Use #error if type sizes don't
210         match requirements of implementation.  Avoid overflow in computing
211         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
212         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
213         (__floatundisf, __floatundidf): Likewise.
214         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
215         * config/ia64/ia64.c (ia64_init_libfuncs): Use
216         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
217         TFmode-TImode conversions.
218         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
219
220 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
221
222         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
223         Use builtin_define_with_int_value() instead of
224         adding a new check for every new major FreeBSD version.
225
226 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
227
228         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
229
230 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
231
232         * config/arm/predicates.md (call_memory_operand): New.
233         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
234
235 2005-12-15  Andrew Haley  <aph@redhat.com>
236
237         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
238         against prev_cache_entry == NULL when moving a cache entry to the
239         head of the list.
240         
241 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
242
243         * config/mt/mt.c (mt_override_options): Require lower case
244         architectures.  Revert accidental default to ms2.
245         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
246         ENDFILE_SPEC): Require lower case architectures.  Revert default
247         to ms2.
248
249         * doc/invoke.texi (MT Options): Rename and update.
250         * doc/md.texi (MorphoTech family): Rename and update.
251
252 2005-12-15  Olivier Hainque  <hainque@adacore.com>
253
254         * stor-layout.c (layout_type): Don't complain about a too small
255         an array element type size compared to its alignment when the
256         size overflows.
257
258 2005-12-15  Jan Hubicka  <jh@suse.cz>
259
260         PR target/24969
261         * i386.c (classify_argument): Properly adjust offset of bitfield for
262         substructures.
263
264 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
265
266         * final.c (final_scan_insn): Flip in_cold_section_p when changing
267         between the hot and cold sections.  Use current_function_section
268         to get the new section.
269         * dwarf2out.c (output_line_info): Use in_cold_section_p to
270         determine whether we are assembling hot or cold code.
271         (secname_for_decl, dwarf2out_var_location): Likewise.
272         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
273         * varasm.c (last_text_section): Delete.
274         (in_cold_section_p): New variable.
275         (hot_function_section): New function.
276         (current_function_section): Pass in_cold_section_p as the
277         reloc argument to select_section.  Use it to decide between
278         unlikely_function_section and hot_function_section.
279         (assemble_start_function): Use switch_to_section.  Set
280         in_cold_section_p instead of last_text_section.
281         (assemble_end_function): Use switch_to_section.
282         (switch_to_section): Don't set last_text_section.
283         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
284         argument to make the right choice between hot and cold sections.
285
286 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
287
288         Second part of MS1->MT renaming
289         * config/mt/mt.md (doloop_end): Call mt_add_loop.
290         (movqi, movhi): Call mt_set_memflags.
291         (*movdf_internal): Call mt_split_words. 
292         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
293         mt_set_memflags.
294         (cmpsi): Store to mt_compare_op[01].
295         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
296         bungt, bunle, bunlt): Call mt_emit_cbranch.
297         (prologue): Call mt_expand_prologue.
298         (epilogu): Call mt_expend_epilogue.
299         (eh_return): Call mt_expand_eh_return.
300         (eh_epilogue): Call me_emit_eh_epilogue.
301         (conditional_trap): Store to mt_compare_op[01].
302         * config/mt/crti.asm: Adjust comment.
303         * config/mt/crtn.asm: Adjust comment.
304         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
305         (mt_compare_op0, mt_compare_op1): Renamed.
306         (current_frame_info, zero_frame_info): Adjust type.
307         (mt_ucmpsi3_libcall): Renamed.
308         (mt_flag_delayed_branch): Renamed.
309         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
310         (mt_nops_required, mt_nop_reasons): Renamed.
311         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
312         mt_debug_stack, mt_print_operand_simple_address,
313         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
314         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
315         mt_function_arg_advance, mt_arg_partial_bytes,
316         mt_pass_by_reference, mt_function_arg_boundary,
317         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
318         mt_legitimate_address_p): Renamed, adjusted.
319         (mt_cpu): Renamed.
320         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
321         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
322         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
323         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
324         mt_expand_eh_return, mt_emit_eh_prologue,
325         mt_handl_interrupt_attribute): Renamed, adjusted.
326         (mt_attribute_table): Renamed, adjusted.
327         (mt_initial_elimination_offset, mt_generate_compare,
328         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
329         mt_secondary_reload_class, mt_function_value, mt_split_words,
330         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
331         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
332         (mt_labels): Renamed.
333         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
334         mt_machine_reorg): Renamed, adjusted.
335         (mt_attribute_table: Renamed.
336         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
337         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
338         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
339         * config/mt/mt.opt (march): Set mt_cpu_string.
340         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
341         (TARGET_CPU_CPP_BUILTINS): Adjust.
342         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
343         TARGET_MS2): Adjust.
344         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
345         (MT_MIN_INT): Renamed.
346         (RETURN_ADDR_RTX): Adjust.
347         (struct mt_frame_info): Renamed.
348         (current_frame_info): Adjust type.
349         (INITIAL_ELIMINATION_OFFSET): Adjust.
350         (MT_NUM_ARG_REGS): Renamed.
351         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
352         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
353         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
354         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
355         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
356         (mt_compare_op0, mt_compare_op1): Renamed.
357         * config/mt/mt-protos.h: Rename prototypes.
358
359 2005-12-15  Richard Guenther  <rguenther@suse.de>
360
361         * tree-flow.h (okay_component_ref_for_subvars): Remove.
362         (get_ref_base_and_extent): Declare.
363         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
364         (get_ref_base_and_extent): New function.
365         * tree-ssa-alias.c (find_used_portions): Use it.
366         * tree-ssa-structalias.c (get_constraint_for_component_ref):
367         Likewise.
368         * tree-ssa-operands.c (get_expr_operands): Likewise.
369
370 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
371
372         * combine.c: Remove force_to_mode's fourth parameter.
373         (force_to_mode): Do not handle REG.
374         (canon_reg_for_combine): New.
375         (make_field_assignment): Use it where the removed argument was non-NULL.
376
377 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
378
379         PR target/25406
380         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
381         error_mark_node.  Make alignment params unsigned.
382         * config/rs6000/rs6000-protos.h
383         (rs6000_special_round_type_align): Update prototype.
384         (rs6000_machopic_legitimize_pic_address): Remove arg names.
385
386 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
387
388         PR rtl-optimization/25310
389         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
390         of the eliminable register when substituting into a PLUS.
391
392 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
393
394         PR debug/25023
395         * config/i386/i386.c (ix86_force_to_memory): Always use
396         SImode push for HImode in -m32.
397         (ix86_free_from_memory): Likewise.
398
399 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
400
401         * gcc/config/arm/arm.md: Provide a big-endian version of the
402         (zero_extend:SI (subreg:QI ...)) splitter.
403
404 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
405
406         * struct-equiv.c (note_local_live): Handle hard regs with different
407         hard_regno_nregs.
408
409 2005-12-14  Jeff Law  <law@redhat.com>
410
411         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
412         to a structure containing state rather than a pointer to bool.
413         (case ARRAY_REF): New code to handle folding some array references.
414         (case ADDR_EXPR): Note when we are processing expressions found
415         within an ADDRE_EXPR.
416         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
417         for state variables rather than just a pointer to a boolean.
418         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
419         handling of constant string references.
420
421 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
422
423         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
424         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
425         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
426         Move other tst* patterns to retain partial order.
427
428 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
429
430         * config/s390/s390.md ("d0", "1"): New mode attributes.
431         ("<shift>di3", "<shift>si3"): Merge.
432         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
433         ("ashrdi3", "ashrsi3"): Merge.
434         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
435         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
436         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
437         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
438         ("*ashrdi3", "*ashrsi3"): Merge.
439         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
440
441 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
442
443         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
444         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
445         ("*extendqidi2", "*extendqisi2") Merge.
446         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
447         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
448         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
449         Move some patterns to retain partial ordering.
450
451 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
452
453         * config/s390/s390.md ("atype", "length"): Rewrite.
454         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
455
456 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
457
458         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
459
460 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
461
462         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
463         PARALLELs with a mode.
464
465 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
466
467         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
468         cond_expr parameter.
469
470 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
471
472         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
473
474 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
475
476         PR bootstrap/25397:
477
478         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
479         of STACK_REGS bits.
480
481         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
482
483 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
484
485         PR target/25254
486         PR target/24188
487         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
488         DECL_P, call get_section rather than get_named_section.  Supply
489         section flags to it.
490
491 2005-12-14  Ben Elliston  <bje@au.ibm.com>
492
493         * c-common.c (c_common_truthvalue_conversion): Generalise warning
494         for addresses converted to booleans; not just function addresses.
495         * c-typeck.c (build_binary_op): Warn for address comparisons which
496         can never be NULL (eg. func == NULL or &var == NULL).
497         * common.opt (Walways-true): New option.
498         * c-opts.c (c_common_handle_option): Set it with -Wall.
499         * doc/invoke.texi: Document it.
500
501 2005-12-13  Paul Brook  <paul@codesourcery.com>
502
503         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
504         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
505
506 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
507
508         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
509         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
510
511         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
512         (EXTRA_MULTILIB_PARTS): Define.
513
514 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
515
516         PR rtl-optimization/20070 / part1
517         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
518         count_or_remove_death_notes with kill == -1.
519         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
520         registers if PROP_POST_REGSTACK is set.
521         (mark_used_reg): Likewise.
522         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
523         REG_UNUSED notes for stack regs.
524         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
525         to match rtx_equiv_p machinery.  Change caller.
526         (outgoing_edges_match): Likewise.
527         (try_crossjump_to_edge): Use struct_equiv_block_eq
528         instead of flow_find_cross_jump.
529         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
530         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
531         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
532         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
533         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
534         (insns_match_p): Update prototype.
535         (flow_find_cross_jump): Remove prototype.
536         (struct_equiv_block_eq, struct_equiv_init): Declare.
537         (rtx_equiv_p, condjump_equiv_p): Likewise.
538         * struct-equiv.c: Include reload.h.
539         (IMPOSSIBLE_MOVE_FACTOR): Define.
540         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
541         (struct_equiv_improve_checkpoint): Likewise.
542         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
543         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
544         (struct_equiv_merge, find_dying_input): Likewise.
545         (resolve_input_conflict, note_local_live): Likewise.
546         (death_notes_match_p): Change parameters and processing
547         to match rtx_equiv_p machinery.  Change caller.
548         (insns_match_p): Likewise.
549         (flow_find_cross_jump): Replace with:
550         (struct_equiv_block_eq).
551
552         Back out this change:
553         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
554           * recog.c (verify_changes): Make it static.
555           * recog.h: Remove the corresponding prototype.
556
557 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
558
559         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
560         values.
561
562 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
563
564         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
565         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
566         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
567         TARGET_MS1_64_001 appropriately.
568         (ms1_machine_reorg): Use TARGET_MS2.
569
570 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
571
572         PR debug/25023
573         PR target/25293
574         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
575         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
576         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
577         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
578         Set mode to SI, adjust constraints.
579         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
580         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
581         32-bit code.
582
583 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
584
585         * c-cppbuiltin.c (builtin_define_float_constants): Add
586         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
587         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
588         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
589         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
590         to "((double)%sL)" otherwise "%s".
591
592 2005-12-13  Paul Brook  <paul@codesourcery.com>
593
594         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
595         apcs/atpcs.
596
597 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
598
599         * tree-flow.h: Allow compilation with a C++ compiler.
600         (struct edge_prediction): Prefix all field names  with "ep_".
601         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
602         (tree_predict_edge, combine_predictions_for_bb): Likewise.
603         (remove_predictions_associated_with_edge): Likewise.
604         
605 2005-12-12  Jeff Law  <law@redhat.com>
606
607         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
608         reassociation code.
609         * passes.c (init_optimization_passes): Run reassociation again
610         after loop optimizations.
611
612 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
613
614         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
615         if necessary.
616         (optimize_stmt): Ditto.
617         (canonicalize_comparison): New function.
618         * tree-ssa-operands.c (swap_tree_operands): Make external.
619         (get_expr_operands): Stop auto-canonicalization.
620         * tree-ssa-reassoc.c: Rewrite.
621         (init_optimization_passes): 
622         * tree-flow.h (swap_tree_operands): Prototype.
623         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
624
625 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
626
627         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
628         indicate function epilogue has been output.
629         (pa_asm_output_mi_thunk): Likewise.
630         (output_deferred_plabels): Put plabels in readonly data section when
631         not generating PIC code.
632         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
633         information.  Add assert.
634         (som_output_comdat_data_section_asm_op): New function.
635         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
636         instead of output_section_asm_op for COMDAT sections.
637
638 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
639
640         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
641         Fix whitespace in vincinity of to-be-installed changes.
642         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
643         (insns_match_p): Likewise.
644
645 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
646
647         * config.gcc (ms1): Replace with ...
648         (mt): ... this.
649         * config/ms1: Rename to ...
650         * config/mt: ... here.  Rename ms1 files to mt.
651         * config/mt/mt.c: Adjust gt-mt.h #include.
652         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
653         (crti.o, crtn.o): Adjust file names.
654
655 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
656
657         * varray.h: Allow compilation with a C++ compiler.
658         (union varray_data_tag): Prefix all field names with "vdt_".
659         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
660         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
661         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
662         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
663         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
664         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
665         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
666         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
667         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
668         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
669         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
670         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
671         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
672         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
673         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
674         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
675         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
676         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
677         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
678         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
679         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
680         VARRAY_TOP_TREE_PTR): Likewise.
681         * varray.c (varray_grow): Likewise.
682         (varray_clear): Likewise.
683
684 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
685
686         PR target/25299
687         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
688         alignment to doubleword if the first field is a double array.
689         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
690
691 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
692
693         * tree-ssa-structalias.c (process_constraint): Remove code to
694         transform addressofs into scalar.
695         (create_variable_info_for): In whole-program IPA, globals don't
696         point to ANYTHING by default.
697
698 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
699
700         * timevar.def (TV_IPA_PTA): New.
701         * tree-pass.h (pass_ipa_pta): New
702         * tree-ssa-structalias.c: Include cgraph.h
703         (in_ipa_mode): New.
704         (predbitmap_obstack): New.
705         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
706         (struct constraint_stats): Add num_edges.
707         (new_var_info): Don't call bitmap_clear.
708         (struct constraint_edge): Update docs.
709         (new_constraint_edge): Remove src param.
710         (struct constraint_graph): Add zero_weight_succs,
711         zero_weight_preds.  Update docs.
712         (constraint_expr_equal): Reformat.
713         (constraint_edge_equal): Update for removal of src.
714         (constraint_edge_less): Ditto.
715         (constraint_edge_vec_find): Ditto.
716         (erase_graph_self_edge): Update for removal of src and and zero
717         weight bitmap.
718         (clear_edges_for_node): Ditto.
719         (add_graph_edge): Ditto.
720         (get_graph_weights): Ditto.
721         (allocate_graph_weights): Ditto.
722         (merge_graph_nodes): Ditto.
723         (int_add_graph_edge): Ditto.
724         (valid_graph_edge): Ditto.
725         (valid_weighted_graph_edge): Ditto.
726         (build_constraint_graph): Ditto.
727         (scc_visit): Ditto.
728         (collapse_nodes): Ditto.
729         (process_unification_queue): Ditto.
730         (topo_visit): Ditto.
731         (solve_graph): Ditto.
732         (do_structure_copy): Ditto.
733         (perform_var_substitution): Ditto.
734         Init and release obstack.
735         (handle_ptr_arith): Try to resolve directly.
736         (find_func_aliases): Don't call update_alias_info here
737         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
738         (do_sd_constraint): Add code for propagating faster.
739         Update.
740         (do_ds_constraint): Ditto.
741         (count_num_arguments): New function.
742         (create_function_info_for): Ditto.
743         (create_variable_info_for): Handle FUNCTION_DECL.
744         (intra_create_variable_infos): Use make_constraint_to_anything.
745         (init_alias_vars): Init obstacks here.
746         (need_to_solve): Handle zero weight graph changes.
747         (compute_points_to_sets): Call update_alias_info here.
748         (delete_points_to_sets): Free zero weight preds/succs here.
749         (gate_ipa_pta): New.
750         (ipa_pta_execute): New
751
752 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
753
754         * tree-ssa-structalias.c (var_anyoffset): Removed.
755         (anyoffset_tree): Ditto.
756         (anyoffset_id): Ditto.
757         (do_deref): Take vector of constraints, no return value.
758         Update to work on vector.                
759         (get_constraint_for): Ditto.
760         (get_constraint_for_component_ref): Ditto.
761         (do_structure_copy): Ditto.
762         (handle_ptr_arith): Ditto.
763         (find_func_aliases): Ditto.
764         (set_uids_in_ptset): Remove anyoffset handling.
765         (init_base_vars): Ditto.
766
767 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
768
769         PR c++/25010
770         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
771         DECL_EXTERNAL functions have no bodies.  Tidy.
772
773 2005-12-10  Andreas Schwab  <schwab@suse.de>
774
775         * except.c (switch_to_exception_section): Only define if
776         TARGET_UNWIND_INFO is not defined.
777
778 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
779
780         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
781         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
782
783 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
784
785         * output.h (init_section, fini_section): Delete.
786         * varasm.c (init_section, fini_section): Delete.
787         (init_varasm_once): Don't initialize them.
788         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
789         there are no corresponding varasm.c variables.
790
791 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
792
793         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
794         of EH_FRAME_SECTION_NAME into...
795         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
796         if it is still null.
797         * except.c (default_exception_section): Delete, moving most
798         of the code to...
799         (switch_to_exception_section): ...this new function.  Set
800         exception_section if it is still null, then switch to it.
801         (output_function_exception_table): Use switch_to_exception_section.
802         * varasm.c (exception_section, eh_frame_section): Update comments.
803         (get_section): Hoist use of SECTION_NAMED.
804         (init_varasm_once): Don't set exception_section and eh_frame_section.
805         * output.h (default_exception_section): Delete.
806         (default_eh_frame_section): Delete.
807
808 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
809
810         * config/bfin/bfin.c: Include "cgraph.h".
811         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
812         Return the reg that holds the pointer to the GOT.
813         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
814         doing stack checking.
815
816 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
817
818         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
819         recompute_tree_invarant_for_addr_expr.
820         Update uses everywhere.
821
822 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
823
824         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
825         (MULTILIB_DIRNAMES): Define.
826
827 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
828
829         PR target/25311
830         * config/s390/s390.c (struct s390_address): New field literal_pool.
831         (s390_decompose_address): Compute literal_pool field.  Do not 
832         assume register %r13 is always (and solely) used as pool base.
833         (s390_extra_constraint_str): Use literal_pool field.
834
835 2005-12-09  Thiemo Seufer  <ths@networkno.de>
836
837         * config/mips/mips.c (override_options): Don't allow too small
838         integers in FP registers.
839
840 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
841
842         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
843         targetm.binds_local_p to check for local function calls.
844
845 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
846
847         PR debug/24908
848         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
849         call_used_regs can't be used to save reg in another reg.
850
851 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
852             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
853
854         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
855         abort.
856         * except.c (output_ttype): Likewise.
857         * tree-object-size.c (collect_object_sizes_for): Likewise.
858         (check_for_plus_in_loops_1): Likewise.
859         (check_for_plus_in_loops): Likewise.
860         (compute_object_sizes): Use gcc_unreachable instead of abort.
861
862 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
863
864         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
865         (loop_end, loop_init, doloop_end): New insns.
866         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
867         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
868         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
869         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
870         * config/ms1/ms1.c: #include basic-block.h
871         (struct machine_function): Add has_loops field.
872         (ms1_add_loop): New.
873         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
874         (struct loop_info, struct loop_work): New.
875         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
876         (ms1_reorg_loops): New loop optimization.
877         (ms1_machine_reorg): Call it.
878         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
879
880 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
881
882         PR tree-optimization/25248
883         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
884         evolution_of_loop from the failed attempt.  Remove handling
885         of MULT_EXPR.
886
887 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
888
889         * tree.h (DECL_EXTERNAL): Clarify documentation.
890
891 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
892             Jakub Jelinek  <jakub@redhat.com>
893
894         PR target/25268
895         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
896         argument.  Don't drop outer ANDs.
897         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
898         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
899         prototype.
900         * config/s390/predicates.md (setmem_operand): Remove.
901         (shift_count_operand): Rename to...
902         (shift_count_or_setmem_operand): ... this.  Adjust
903         s390_decompose_shift_count caller.
904         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
905         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
906         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
907         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
908         rotl<mode>3_and, setmem_long_and): New insns.
909         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
910         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
911         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
912         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
913         of shift_count_operand.
914         (setmem_long): Use shift_count_or_setmem_operand instead of
915         setmem_operand.
916
917 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
918             Andreas Tobler  <a.tobler@schweiz.ch>
919
920         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
921         tr expression.
922
923 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
924
925         * expr.c (force_operand): Use convert_to_mode for conversions.
926
927 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
928
929         * reload.h (reg_equiv_invariant): Declare.
930         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
931         register also when reg_equiv_invariant[R] is set.
932
933 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
934             Andreas Tobler  <a.tobler@schweiz.ch>
935
936         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
937
938 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
939
940         * tree-ssa-pre.c (bitmap_set_and): New function.
941         (bitmap_set_and_compl): New function.
942         (bitmap_set_empty_p): New function.
943         (insert_extra_phis): New function.
944         (compute_avail): Use insert_extra_phis.
945
946 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
947
948         * config/s390/s390.c (s390_expand_atomic): New function.
949         Adjust comment of helper functions.
950         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
951         * config/s390/s390.md ("ATOMIC"): New code macro.
952         ("atomic"): Corresponding new code attribute.
953         ("sync_lock_test_and_set[hq]i", 
954         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
955
956 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
957
958         * config/s390/s390.c (s390_expand_mask_and_shift, 
959         struct alignment_context, init_alignment_context, 
960         s390_expand_cs_hqi): New.
961         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
962         * config/s390/s390.md ("sync_compare_and_swaphi",
963         "sync_compare_and_swapqi"): New pattern.
964
965 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
966
967         Fix PR tree-optimization/25291
968         * tree-ssa-operands.c (add_call_clobber_ops): Remove
969         redundant and crashing check.
970
971 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
972
973         PR target/25212
974         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
975         tests further when !strict && reload_in_progress.
976         (print_operand): Check that both operands of indexed address are regs.
977         (print_operand_address): Likewise.
978         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
979         (INT_REG_OK_FOR_BASE_P): Correct.
980
981 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
982
983         Preparation for PR rtl-optimization/20070 / part1
984         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
985         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
986         outgoing_edges_match.
987         (outgoing_edges_match): Use condjump_equiv_p.
988         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
989         into..
990         * struct-equiv.c: New file.
991         (death_notes_match_p) New function, broken out of insns_match_p.
992         * Makefile.in (OBJS-common): Add struct-equiv.o.
993         (struct-equiv.o): New target.
994
995 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
996
997         * coretypes.h: Revert previous change.
998         * config/darwin.h: Revert previous reversion.
999         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1000
1001 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1002
1003         * coretypes.h (section): Provide dummy definition for target files.
1004         * config/darwin.h: Revert previous change.
1005
1006 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1007
1008         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1009         * configure.ac: Remove all.build and install-normal from target_list
1010         * configure: Regenerate.
1011         * Makefile.in (install): Don't depend on install-normal.
1012
1013 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1014
1015         * Makefile.in: Document the use of stamps.
1016
1017 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1018
1019         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1020         * Makefile.in: Add code to compute some dependencies on s-gtype
1021         automatically.  Remove the declaration of those dependencies.
1022
1023 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1024
1025         * gcc/reload.c (push_secondary_reload): Fix typo:
1026         s/insn_constraint/scratch_constraint/.
1027
1028 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1029
1030         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1031
1032 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1033
1034         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1035         (alpha_elf_select_rtx_section): Return the selected section rather
1036         than emitting assembly code.
1037         (alpha_write_linkage): Emit a ".link" directive directly and then
1038         set in_section to NULL.
1039         (vms_asm_out_constructor): Use switch_to_section.
1040         (vms_asm_out_destructor): Likewise.
1041         (unicosmk_output_common): Set in_section to NULL instead of calling
1042         the dummy common_section function.
1043         (unicosmk_text_section): Delete in favor of...
1044         (unicosmk_output_text_section_asm_op): ...this new function.
1045         (unicosmk_data_section): Delete in favor of...
1046         (unicosmk_output_data_section_asm_op): ...this new function.
1047         (unicosmk_init_sections): New function.
1048         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1049         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1050         the dummy ssib_section function.
1051         (unicosmk_section_buf): Delete.
1052         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1053         (unicosmk_data_section): Delete.
1054         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1055         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1056         (SECTION_FUNCTION_TEMPLATE): Delete.
1057         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1058         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1059         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1060         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1061         (TARGET_ASM_INIT_SECTIONS): Define.
1062         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1063         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1064         (link_section, literals_section): Delete.
1065         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1066         set in_section to NULL.
1067
1068         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1069         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1070         (COMMON_SECTION): Delete.
1071         (TARGET_ASM_INIT_SECTIONS): Define.
1072         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1073         the dummy common_section function.
1074         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1075         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1076         between readonly_data_section and text_section to check whether
1077         read-only data is being put in the text section.
1078         (arm_output_function_epilogue): Use switch_to_section.
1079         (arm_elf_asm_constructor): Likewise.
1080         (thumb_call_via_reg): Replace call to in_text_section with
1081         a comparison between in_section and text_section.
1082         (arm_file_end): Use switch_to_section.
1083         (aof_text_section): Delete in favor of...
1084         (aof_output_text_section_asm_op): ...this new function.
1085         (aof_data_section): Delete in favor of...
1086         (aof_output_data_section_asm_op): ...this new function.
1087         (aof_asm_init_sections): New function.
1088         (zero_init_section): Moved from config/arm/aof.h.
1089         (aof_dump_imports, aof_file_start): Use switch_to_section.
1090         * config/arm/arm.h (thumb_call_via_label): Update comment.
1091         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1092         (common_section): Delete.
1093         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1094         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1095         global switch_to_section function instead of the old port-local one.
1096         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1097         (SWITCH_TO_SECTION_FUNCTION): Delete.
1098         (drectve_section): Redefine as a macro.
1099         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1100         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1101         switch_to_section.
1102
1103         * config/avr/avr.c (progmem_section): New variable.
1104         (avr_output_progmem_section_asm_op): New function.
1105         (avr_asm_init_sections): New function.
1106         (avr_output_addr_vec_elt): Use switch_to_section.
1107         * config/avr/avr.h (progmem_section): Declare.
1108         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1109         (READONLY_DATA_SECTION): Delete.
1110         (TARGET_ASM_INIT_SECTIONS): Define.
1111         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1112         * config/avr/avr-protos.h (progmem_section): Delete.
1113
1114         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1115
1116         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1117         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1118
1119         * config/darwin-sections.def: New file.
1120         * config/darwin.c: Define all sections in darwin-sections.def.
1121         (output_objc_section_asm_op, darwin_init_sections): New functions.
1122         (machopic_output_indirection): Use switch_to_section.
1123         (machopic_select_section): Return the selected section rather than
1124         emitting assembly code.  Replace the static function table with
1125         inline conditional expressions.  Update the tests of last_text_section
1126         and move them into the FUNCTION_DECL block.
1127         (machopic_select_rtx_section): Return the selected section rather than
1128         emitting assembly code.
1129         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1130         (darwin_file_end): Use switch_to_section.
1131         * config/darwin.h: Use darwin-sections.def to declare sections.
1132         (INIT_SECTION_ASM_OP): Remove empty definition.
1133         (HAS_INIT_SECTION): Define this instead.
1134         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1135         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1136         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1137         (TARGET_ASM_INIT_SECTIONS): Define.
1138         * config/darwin-protos.h (darwin_init_sections): Declare.
1139         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1140         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1141         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1142         (constructor_section, destructor_section, mod_init_section): Delete.
1143         (mod_term_section): Delete.
1144         (darwin_exception_section, darwin_eh_frame_section): Delete.
1145         (machopic_select_section): Return a section.
1146         (machopic_select_rtx_section): Likewise.
1147         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1148         (const_section, const_coal_section, const_data_section): Delete.
1149         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1150         (literal4_section, literal8_section, constructor_section): Delete.
1151         (mod_init_section, mod_term_section, destructor_section): Delete.
1152         (objc_class_section, objc_meta_class_section, objc_category_section)
1153         (objc_class_vars_section, objc_instance_vars_section): Delete.
1154         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1155         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1156         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1157         (objc_symbols_section, objc_module_info_section): Delete.
1158         (objc_image_info_section, objc_protocol_section): Delete.
1159         (objc_string_object_section, objc_constant_string_object_section)
1160         (objc_class_names_section, objc_meth_var_names_section): Delete.
1161         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1162         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1163         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1164         (darwin_exception_section, darwin_eh_frame_section): Delete.
1165         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1166
1167         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1168         (frv_asm_out_destructor): Likewise.
1169         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1170         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1171         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1172         get_named_section.
1173         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1174         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1175         (data_section): Delete.
1176
1177         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1178         (DRECTVE_SECTION_FUNCTION): Delete.
1179         (drectve_section): Redefine as a macro that sets in_section after
1180         emitting the directive.
1181         (SWITCH_TO_SECTION_FUNCTION): Delete.
1182         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1183         in_text_section with comparison between in_section and text_section.
1184         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1185         rather than emitting assembly code.  Use get_named_section.
1186         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1187         get_named_section.
1188         (machopic_output_stub): Use switch_to_section.
1189         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1190         (nwld_named_section_asm_out_destructor): Use get_section and
1191         switch_to_section.
1192
1193         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1194         rather than emitting assembly code.
1195         (ia64_rwreloc_select_section): Likewise.
1196         (ia64_rwreloc_select_rtx_section): Likewise.
1197         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1198         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1199         switch_to_section.
1200         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1201         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1202
1203         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1204         section rather than emitting assembly code.
1205         (iq2000_select_section): Likewise.
1206         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1207         (sbss_section): Delete.
1208
1209         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1210         and get_named_section.
1211         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1212
1213         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1214         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1215         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1216         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1217         in_section to NULL.
1218         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1219         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1220         global switch_to_section function instead of the old port-local one.
1221         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1222         (SWITCH_SECTION_FUNCTION): Delete.
1223         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1224         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1225         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1226         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1227         in_section to NULL.
1228         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1229         global switch_to_section function instead of the old port-local one.
1230         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1231
1232         * config/mips/mips.c (mips_file_start): Update comment.
1233         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1234         (mips_output_aligned_decl_common): Use switch_to_section.
1235         (mips_select_rtx_section): Return the section rather than emitting
1236         assembly code.  Use get_named_section.
1237         (mips_function_rodata_section: Likewise get_section.
1238         (build_mips16_function_stub): Use switch_to_section.
1239         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1240         (SDATA_SECTION_ASM_OP): Delete.
1241         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1242         (EXTRA_SECTION_FUNCTIONS): Delete.
1243
1244         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1245         (mmix_asm_output_aligned_local): Use switch_to_section.
1246
1247         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1248         (som_one_only_readonly_data_section): New variables.
1249         (pa_output_function_epilogue): Set in_section to NULL instead of
1250         calling forget_section.
1251         (output_deferred_plabels): Use select_section.
1252         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1253         of calling forget_section.
1254         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1255         (pa_asm_output_aligned_local): Use select_section.
1256         (som_text_section_asm_op): Delete in favor of...
1257         (som_output_text_section_asm_op): ...this new function.
1258         (pa_som_asm_init_sections): New function.
1259         (pa_select_section): Return the section rather than emitting
1260         assembly code.
1261         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1262         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1263         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1264         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1265         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1266         (som_readonly_data_section, som_one_only_readonly_data_section)
1267         (som_one_only_data_section, forget_section): Delete.
1268         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1269         (TARGET_ASM_INIT_SECTIONS): Define.
1270         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1271
1272         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1273         (private_data_section, read_only_private_data_section): New variables.
1274         (sdata2_section, toc_section): New variables.
1275         (rs6000_file_start): Use switch_to_section.
1276         (rs6000_assemble_integer): Use comparisons against in_section
1277         instead of calling in_toc_section and in_text_section.  Use
1278         unlikely_text_section_p.
1279         (rs6000_elf_output_toc_section_asm_op): New function, derived
1280         from the old rs6000/sysv4.h toc_section function.
1281         (rs6000_elf_asm_init_sections): New function.
1282         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1283         the section rather than emitting assembly code.
1284         (machopic_output_stub): Use switch_to_section.
1285         (toc_section): Delete dummy function.
1286         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1287         switch_to_section and get_section.
1288         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1289         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1290         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1291         the old rs6000/xcoff.h toc_section function.
1292         (rs6000_xcoff_asm_init_sections): New function.
1293         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1294         the section rather than emitting assembly code.
1295         (rs6000_xcoff_file_start): Use switch_to_section.
1296         (rs6000_xcoff_file_end): Likewise.
1297         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1298         (sdata2_section, sbss_section, private_data_section): Delete.
1299         (read_only_data_section, read_only_private_data_section): Delete.
1300         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1301         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1302         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1303         (FINI_SECTION_FUNCTION): Delete.
1304         (TARGET_ASM_INIT_SECTIONS): Define.
1305         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1306         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1307         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1308         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1309         (READONLY_DATA_SECTION): Delete.
1310         (TARGET_ASM_INIT_SECTIONS): Define.
1311         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1312         to NULL rather than no_section.
1313         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1314
1315         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1316
1317         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1318         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1319         from call to current_function_section.
1320
1321         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1322         (bss100_section): New variable.
1323         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1324         (xstormy16_asm_init_sections): New function.
1325         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1326         switch_to_section and get_section.
1327         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1328         from calls to current_function_section.
1329         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1330         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1331         (TARGET_ASM_INIT_SECTIONS): Define.
1332         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1333
1334         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1335         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1336         (FINI_SECTION_FUNCTION): Delete.
1337
1338         * config/v850/v850.c: Include gt-v850.h.
1339         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1340         (zbss_section): New variables.
1341         (v850_output_aligned_bss): Use switch_to_section.
1342         (v850_asm_init_sections): New function.
1343         (v850_select_section): Return the section rather than emitting
1344         assembly code.
1345         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1346         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1347         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1348         (TARGET_ASM_INIT_SECTIONS): Define.
1349         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1350         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1351         (zbss_section): Delete.
1352
1353         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1354
1355         * config/vx-common.h (vxworks_exception_section): Delete.
1356         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1357
1358         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1359         section rather than emitting assembly code.
1360         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1361         switch_to_section.
1362
1363         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1364         * coretypes.h (section): New union and typedef.
1365         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1366         from call to current_function_section.
1367         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1368         (dbxout_symbol_location): Use switch_to_section.
1369         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1370         most of the code into...
1371         (default_eh_frame_section): ...here.  Return a section.
1372         (collect2_eh_frame_section): Delete, moving most of the code into..
1373         (switch_to_eh_frame_section): ...this new function.
1374         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1375         (debug_macinfo_section, debug_line_section, debug_loc_section)
1376         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1377         variables.
1378         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1379         eh_frame_section.  Use switch_to_section and get_section.
1380         (dwarf2out_begin_prologue): Use switch_to_section.
1381         (AT_string_form): Check the flags in debug_str_section instead of
1382         DEBUG_STR_SECTION_FLAGS.
1383         (output_comp_unit): Use switch_to_section, get_section, and
1384         debug_info_section.
1385         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1386         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1387         from call to current_function_section.
1388         (dwarf2out_var_location): Use unlikely_text_section_p.
1389         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1390         from call to current_function_section.
1391         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1392         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1393         debug_macinfo_section.
1394         (dwarf2out_init): Initialize the new section variables.  Use them
1395         instead of calls to named_section_flags.  Use switch_to_section.
1396         (output_indirect_string): Use switch_to_section and debug_str_section.
1397         (dwarf2out_finish): Use switch_to_section and the new section
1398         variables.
1399         * except.c (default_exception_section): Return the section instead
1400         of emitting assembly code.
1401         (output_function_exception_table): Use the global exception_section
1402         variable instead of the target hook.  Use switch_to_section.  Remove
1403         argument from call to current_function_section.
1404         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1405         (shorten_branches): Use pointer comparisons to detect whether the
1406         text section is the same as readonly_data_section.
1407         (profile_function): Use switch_to_section.  Remove argument from
1408         call to current_function_section.
1409         (final_scan_insn): Likewise.  Update use of last_text_section.
1410         * gengtype.c (open_base_files): Add an include of output.h.
1411         * output.h (text_section, data_section, readonly_data_section)
1412         (ctors_section, dtors_section, bss_section, init_section)
1413         (fini_section, sdata_section): Turn into section pointers.
1414         (in_text_section, in_unlikely_text_section, exports_section)
1415         (drectve_section, named_section, mergeable_string_section)
1416         (last_text_section_name): Delete.
1417         (default_exception_section, default_eh_frame_section): Return sections.
1418         (SECTION_DECLARED, SECTION_NAMED): New macros.
1419         (SECTION_MACH_DEP): Bump value.
1420         (section_common, named_section, unnamed_section): New structures.
1421         (unnamed_section_callback): New typedef.
1422         (section): New union.
1423         (sbss_section, exception_section, eh_frame_section): New variables.
1424         (in_section, last_text_section): Turn into section pointers.
1425         (get_unnamed_section, get_section, get_named_section): New functions.
1426         (mergeable_constant_section, function_section): Return a section.
1427         (unlikely_text_section): Likewise.
1428         (current_function_section): Likewise.  Remove the decl argument.
1429         (unlikely_text_section_p, switch_to_section): New functions.
1430         (output_section_asm_op): New function.
1431         (set_named_section_flags, named_section_flags, named_section_real)
1432         (named_section_first_declaration): Delete.
1433         (default_select_section, default_elf_select_section): Return a section.
1434         (default_elf_select_section_1, default_function_rodata_section)
1435         (default_no_function_rodata_section, default_select_rtx_section)
1436         (default_elf_select_rtx_section): Likewise.
1437         * rtl.h (in_data_section): Delete.
1438         * sdbout.c (sdbout_one_type): Use switch_to_section.
1439         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1440         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1441         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1442         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1443         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1444         (TARGET_ASM_OUT): Update after above changes.
1445         * target.h (init_sections): New hook.
1446         (exception_section, eh_frame_section): Delete.
1447         (select_section, select_rtx_section, function_rodata_section): Return
1448         a section rather than emitting assembly code.
1449         * varasm.c (text_section, data_section, readonly_data_section)
1450         (ctors_section, dtors_section, bss_section, init_section)
1451         (fini_section): Turn into section pointers.
1452         (sdata_section, sbss_section, exception_section): New variables.
1453         (eh_frame_section): New variable.
1454         (in_section): Make global and turn into a section pointer.
1455         (last_text_section): Turn into a section pointer.
1456         (unnamed_sections): New variable.
1457         (in_named_name, last_text_section_name): Delete.
1458         (EXTRA_SECTION_FUNCTIONS): Delete.
1459         (in_named_entry): Delete.
1460         (section_htab): New variable, replacing...
1461         (in_named_htab): ...this deleted variable.
1462         (section_entry_eq, section_entry_hash): New functions, based on...
1463         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1464         (get_unnamed_section, get_section): New functions.
1465         (unlikely_text_section): Return a section instead of emitting
1466         assembly code.
1467         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1468         (get_named_section_flags, named_section_first_declaration): Delete.
1469         (unlikely_text_section_p): New function.
1470         (named_section_real, named_section): Delete.
1471         (get_named_section): New function.
1472         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1473         (function_section): Return a section rather than emitting
1474         assembly code.
1475         (current_function_section): Likewise.  Remove argument.  Use
1476         last_text_section if nonnull, otherwise use function_section.
1477         (default_function_rodata_section): Return a section rather than
1478         emitting assembly code.  Use get_section.
1479         (default_no_function_rodata_section): Return a section rather than
1480         emitting assembly code.
1481         (variable_section): Use switch_to_section and get_named_section.
1482         (mergeable_string_section): Return a section rather than emitting
1483         assembly code.  Use get_section.  Make static.  Don't take special
1484         countermeasures for empty strings.
1485         (mergeable_constant_section): Return a section rather than emitting
1486         assembly code.  Use get_section.
1487         (default_named_section_asm_out_destructor): Use switch_to_section
1488         and get_section.
1489         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1490         (default_named_section_asm_out_constructor): Use switch_to_section
1491         and get_section.
1492         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1493         (assemble_start_function): Likewise.  Set last_text_section to
1494         NULL rather than no_section.  Change the type of save_section.
1495         (assemble_zeros, assemble_variable): Use the section flags to detect
1496         whether or not a section is text.
1497         (assemble_static_space): Use switch_to_section.
1498         (assemble_trampoline_template): Likewise.
1499         (output_constant_def_contents): Use switch_to_section and
1500         get_named_section.
1501         (output_constant_pool_1): Use switch_to_section.  Use the section
1502         flags to see whether sections contain mergeable data.
1503         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1504         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1505         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1506         whether a section has already been declared.
1507         (default_select_section, default_elf_select_section): Return a
1508         section rather than emitting assembly code.
1509         (default_elf_select_section_1): Likewise.  Use bss_section for
1510         SECCAT_BSS if nonnull.  Use get_named_section.
1511         (default_select_rtx_section): Return a section rather than
1512         emitting assembly code.
1513         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1514         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1515         (output_section_asm_op, switch_to_section): New functions.
1516         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1517         get_named_section.
1518
1519         * doc/tm.texi: Expand the introduction to the sections documentation.
1520         (TRAMPOLINE_SECTION): Document new interface.
1521         (SDATA_SECTION_ASM_OP): Document new macro.
1522         (READONLY_DATA_SECTION): Delete.
1523         (SDATA_SECTION_ASM_OP): Document new macro.
1524         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1525         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1526         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1527         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1528         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1529
1530 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1531
1532         * gcc.c (init_gcc_specs): Match braces inside conditionally
1533         compiled strings.
1534
1535 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1536
1537         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1538
1539 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1540
1541         PR C++/24138
1542         * tree.c (integer_all_onesp): Always return true if all bits on.
1543
1544         * testsuite/g++.dg/init/array0.C: New.
1545
1546 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1547
1548         * doc/md.texi: Adapt to implementation.
1549
1550 2005-12-06  Andreas Schwab  <schwab@suse.de>
1551
1552         * opts.c (decode_options): Fix typo in message.
1553
1554 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1555
1556         PR other/13873
1557         * longlong.h: Merge PPC tests from upstream.
1558
1559 2005-12-06  Richard Guenther  <rguenther@suse.de>
1560
1561         * fold-const.c (fold_convert): Do not build and fold
1562         CONVERT_EXPR, but always use NOP_EXPR.
1563
1564 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1565
1566         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1567         __builtin_ia32_paddq and __builtin_ia32_subq.
1568         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1569         __builtin_ia32_pshufw.
1570         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1571
1572 2005-12-05  James E Wilson  <wilson@specifix.com>
1573
1574         PR target/24934
1575         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1576         is set.
1577
1578 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1579         
1580         * print-tree.c (print_node): Ditto.
1581         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1582         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1583         before accessing DECL_ARTIFICIAL. 
1584         Handle new tag tree codes.
1585         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1586         changes.
1587         (unmodifiable_var_p): Ditto.
1588         * tree-flow.h (mem_tag_kind): Remove.
1589         (struct var_ann_d): Remove mem_tag_kind member.
1590         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1591         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1592         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1593         (group_aliases): Ditto.
1594         (setup_pointers_and_addressables): Ditto.
1595         (is_escape_site): Ditto.                                          
1596         (may_alias_p): Ditto.
1597         (create_tag_raw): New function.
1598         (create_memory_tag): Use it.
1599         (dump_alias_info): Update for tags.
1600         (may_be_aliased): Ditto.
1601         (add_type_alias): Ditto.
1602         (new_type_alias): Ditto.
1603         (create_sft): Ditto.
1604         (create_structure_vars): Ditto.
1605         * tree-ssa-ccp.c (get_default_value): Ditto.
1606         * tree-ssa-operands.c (get_expr_operands): Ditto.
1607         (add_stmt_operand): Ditto.
1608         (add_call_clobber_ops): Remove duplicated condition.
1609         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1610         tags.
1611         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1612         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1613         * tree.c (init_ttree): Update structures for new tree codes.
1614         (tree_code_size): Update sizes for new tree codes.
1615         (make_node_stat): Don't try to set common things on minimal
1616         structures.
1617         (tree_node_structure): Update for tags.
1618         (is_global_var): Ditto.
1619         * tree.def: Add new tree codes.
1620         * tree.h (MTAG_P): New macro.
1621         (TREE_MEMORY_TAG_CHECK): Ditto.
1622         (SSA_VAR_P): Update for tags.
1623         (struct tree_memory_tag): New structure.
1624         (MTAG_GLOBAL): New macro.
1625         (union tree_node): Add memory tag member.
1626         * treestruct.def (TS_MEMORY_TAG): New.
1627         
1628 2005-12-05  Dale Johannesen  <dalej@apple.com>
1629
1630         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1631         what was approved (PR 24323).
1632
1633 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1634
1635         * doc/c-tree.texi (Function Bodies): Remove description of
1636         RETURN_INIT.
1637
1638 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1639
1640         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1641         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1642         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1643         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1644         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1645         __divxc3): Document.
1646
1647 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1648
1649         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1650         previous behaviour.
1651         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1652         hook_bool_void_false.
1653         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1654         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1655
1656         * config/darwin.c (machopic_select_section): It's not defined
1657         as weak if it's only marked as weak_import.
1658         
1659         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1660         Prototype.
1661
1662         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1663         A hidden weak object does bind locally.  Strong linkonce data
1664         counts like any other strong symbol for binding.
1665         (weak_finish_1): Don't specially handle weakrefs, they no longer
1666         arrive here.
1667         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1668         * c-common.c (handle_alias_attribute): Allow static aliases
1669         of variables.
1670         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1671         * gthr-dce.h: Make weakrefs static.
1672         * gthr-tpf.h: Likewise.
1673         * gthr-solaris.h: Likewise.
1674         * gthr-posix.h: Likewise.
1675         * gthr-posix95.h: Likewise.
1676         * config/darwin.c (darwin_encode_section_info): static weakref
1677         variables are not necessarily defined in this translation unit.
1678         * doc/extend.texi (Function Attributes): Mention that an alias
1679         attribute creates a definition for the thing it's attached to.
1680         Change the documentation for weakref to say that the thing
1681         it's attached to must be static.
1682
1683         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1684         we don't go into an infinite loop.
1685
1686 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1687
1688         * config/rs6000/predicates.md (logical_const_operand): Split
1689         out of logical_operand.
1690         (logical_operand): Use it.
1691         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1692         logical_const_operand.
1693
1694 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1695
1696         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1697         and IX86_BUILTIN_CMPNESS.
1698         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1699         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1700         * config/i386/i386.md (movti_internal): Correct type attribute.
1701         Simplify mode attribute.
1702         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1703         Correct type attribute.
1704         (absxf2): Correct operator.
1705         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1706         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1707         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1708         mode attribute.
1709         (sse2_vmsqrtv2df2): Correct mode attribute.
1710
1711 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1712
1713         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1714         16 bits. Provide insn pattern for this case.
1715
1716 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1717
1718         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1719         result.
1720         (__popcountDI2): Likewise.
1721
1722 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1723
1724         PR target/25166
1725         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1726         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1727         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1728         functions.
1729
1730 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1731
1732         * c-typeck.c (null_pointer_constant_p): New function.
1733         (build_conditional_expr, build_c_cast, convert_for_assignment,
1734         build_binary_op): Use it.
1735
1736 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1737
1738         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1739         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1740         CONVERT_EXPR.
1741         (check_function_arguments_recurse): Allow both NOP_EXPR and
1742         CONVERT_EXPR but check conversions preserve precision.
1743         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1744         but check conversions preserve precision.
1745         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1746         default case.
1747
1748 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1749
1750         PR c/7776
1751         * common.opt (Wstring-literal-comparison): New command line option.
1752         * c-opts.c (c_common_handle_option): Set it with -Wall.
1753         * c-typeck.c (parser_build_binary_op): Issue warning if either
1754         operand of a comparison operator is a string literal, except for
1755         testing equality or inequality against NULL.
1756
1757         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1758
1759 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1760
1761         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1762         of building a NOP_EXPR.
1763         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1764         NOP_EXPR.
1765         * c-convert.c (convert): Use fold_convert instead of building
1766         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1767         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1768         #if 0 code.
1769         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1770         NOP_EXPR the same as CONVERT_EXPR.
1771         * c-typeck.c (build_function_call): Use fold_convert instead of
1772         building a NOP_EXPR directly.
1773         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1774
1775 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1776
1777         PR rtl-optimization/25197
1778         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1779         have a reg.
1780
1781 2005-12-02  Stuart Hastings  <stuart@apple.com>
1782
1783         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1784         warning.
1785
1786 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1787
1788         * c-typeck.c (default_function_array_conversion,
1789         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1790         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1791         orig_op2.  Don't check them for NOP_EXPR.
1792         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1793         around integer zero.
1794
1795 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1796
1797         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1798         toc_save_offset, toc_size, lr_size.
1799         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1800         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1801         Adjust for removal of unused rs6000_stack_t fields.
1802         (debug_stack_info): Adjust.
1803         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1804         first, and don't bother checking for set/inc of lr on sibcalls.
1805         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1806
1807 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR target/25199
1810         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1811         5 if operand 1 is not aligned.  Undo previous constraint change.
1812         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1813
1814 2005-12-02  Richard Guenther  <rguenther@suse.de>
1815
1816         * tree.h (build): Remove prototype.
1817         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1818         * tree.c (build): Remove.
1819         (build0_stat): Update comment.
1820
1821 2005-12-02  Richard Guenther  <rguenther@suse.de>
1822
1823         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1824         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1825         Likewise.
1826         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1827         maybe_fold_offset_to_component_ref): Likewise.
1828         * tree-ssa-dom.c (thread_across_edge,
1829         simplify_rhs_and_lookup_avail_expr,
1830         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1831         Likewise.
1832         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1833         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1834         lower_try_finally_switch): Likewise.
1835         * tree-if-conv.c (add_to_dst_predicate_list,
1836         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1837         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1838         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1839         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1840         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1841         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1842         gimplify_init_ctor_eval, gimplify_init_constructor,
1843         gimplify_variable_sized_compare, gimplify_boolean_expr,
1844         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1845         gimplify_expr, gimplify_body, gimplify_function_tree,
1846         force_gimple_operand): Likewise.
1847         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1848         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1849         mx_register_decls): Likewise.
1850         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1851         get_frame_field, finalize_nesting_tree_1): Likewise.
1852         * tree-inline.c (setup_one_parameter): Likewise.
1853         * tree-vect-transform.c (vectorizable_condition): Likewise.
1854         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1855         Likewise.
1856         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1857         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1858         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1859         * tree-chrec.h (build_polynomial_chrec): Likewise.
1860
1861 2005-12-02  Richard Guenther  <rguenther@suse.de>
1862
1863         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1864         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1865         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1866         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1867         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1868         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1869         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1870         Likewise.
1871         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1872         sh_adjust_unroll_max): Likewise.
1873         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1874         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1875         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1876         Likewise.
1877         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1878         Likewise.
1879         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1880         Likewise.
1881
1882 2005-12-02  Richard Guenther  <rguenther@suse.de>
1883
1884         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1885         simplify_cond_using_ranges): Use buildN instead of build.
1886         * tree-tailcall.c (adjust_accumulator_values,
1887         adjust_return_value): Likewise.
1888         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1889         generate_element_copy, generate_element_zero,
1890         generate_one_element_init): Likewise.
1891         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1892         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1893         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1894         perfect_nestify): Likewise.
1895
1896 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1897
1898         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1899
1900 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1901
1902         * ggc.h (GGC_RESIZEVEC): New.
1903
1904 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1905
1906         * gcc.c (execute): Improve readability.
1907
1908 2005-12-02  Richard Guenther  <rguenther@suse.de>
1909
1910         * tree-cfg.c (mark_used_vars): New function.
1911         (dump_function_to_file): Dump only used VAR_DECLs.
1912
1913 2005-12-02  Richard Guenther  <rguenther@suse.de>
1914
1915         * convert.c (convert_to_integer): Fix compare for nonpositive
1916         constant to use tree_int_cst_sgn <= 0.
1917
1918 2005-12-02  Richard Guenther  <rguenther@suse.de>
1919
1920         * convert.c (convert_to_integer): Use fold_convert instead
1921         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1922         instead of comparing against 0.  Use build_int_cst instead
1923         of converting integer_zero_node.
1924
1925 2005-12-02  Richard Guenther  <rguenther@suse.de>
1926
1927         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1928         and RROTATE_EXPR.
1929  
1930 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1931
1932         PR target/21017
1933         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1934         rotates.
1935
1936 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1937
1938         PR middle-end/25176
1939         * function.c (expand_function_end): Emit blockage for unwinder
1940         after return label.
1941
1942 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1943
1944         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1945         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1946         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1947         integer constant comparisons.
1948
1949 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1950             Janis Johnson  <janis187@us.ibm.com>
1951             David Edelsohn  <dje@watson.ibm.com>
1952             Ben Elliston  <bje@au.ibm.com>
1953
1954         * dfp.h, dfp.c: New files.
1955         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1956         (DECNUM_H): Likewise.
1957         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1958         (INCLUDES): Append $(DECNUMINC).
1959         (OBJS-common): Add dfp.o.
1960         (dfp.o): New rule.
1961         * real.h (EXP_BITS): Pinch one bit to ..
1962         (struct real_value): Add decimal field.
1963         (real_format): Change table size, update documentation.
1964         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1965         (real_from_string3): Declare.
1966         (decimal_single_format): Declare.
1967         (decimal_double_format): Declare.
1968         (decimal_quad_format): Declare.
1969         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1970         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1971         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1972         * real.c: Include dfp.h.
1973         (normalize): Early return for decimal floats.
1974         (do_add): Zero decimal field.
1975         (do_compare): Call do_decimal_compare for decimal floats.
1976         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1977         (real_arithmetic): Call decimal_real_arithmetic for decimal
1978         floating point operands.
1979         (real_identical): If a and b are of differing radix, return false.
1980         (real_to_integer): Call decimal_real_to_integer if the value is a
1981         decimal float.
1982         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1983         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1984         (real_to_hexadecimal): Place "N/A" in the return string for
1985         decimal float.
1986         (real_from_string3): New variant, given a mode.
1987         (real_maxval): Use decimal_real_maxval for decimal floats.
1988         (round_for_format): Use decimal_round_for_format for decimals.
1989         (real_convert): Use decimal_real_convert where appropriate.
1990         (significand_size): Handle base 10.
1991         (encode_decimal_single, decode_decimal_single,
1992         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1993         decode_decimal_quad): New functions.
1994         (decimal_single_format): New.
1995         (decimal_double_format): New.
1996         (decimal_quad_format): New.
1997         * machmode.def: Add SD, DD and TD decimal floating point modes.
1998         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1999         Include MODE_DECIMAL_FLOAT.
2000         (DECIMAL_FLOAT_MODE_P): New.
2001         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2002         * genmodes.c (struct mode_data): Add counter field.
2003         (struct mode_data): Update comment for format.
2004         (blank_mode): Initialise counter field.
2005         (new_mode): Increment counter field for each mode defined.
2006         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2007         using a format.
2008         (make_complex_modes): Handle modes containing `D'.
2009         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2010         (make_decimal_float_mode): New.
2011         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2012         (cmp_modes): Compare counter field if other characteristics
2013         similar.
2014         (emit_real_format_for_mode): Support formats for decimal floats.
2015         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2016         Document MODE_DECIMAL_FLOAT.
2017
2018 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2019
2020         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2021         Delete dead code.
2022
2023 2005-12-01  Richard Henderson  <rth@redhat.com>
2024
2025         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2026
2027 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2028
2029         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2030
2031         * config/pa/pa.c (pa_init_builtins): If we detect
2032         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2033         putc_unlocked.
2034
2035 2005-12-01  Richard Guenther  <rguenther@suse.de>
2036
2037         * fold-const.c (fold_binary): Use fold_build2, not
2038         fold (build (...)).
2039
2040 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2041
2042         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2043
2044         * vec.h (VEC_block_remove): New.
2045
2046 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2047
2048         PR c/13384
2049         * c-common.c (lvalue_error): Fix wording.
2050
2051 2005-12-01  Richard Guenther  <rguenther@suse.de>
2052
2053         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2054         thinko in last patch.
2055
2056 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2057
2058         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2059         than -flat_namespace.
2060
2061 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2062
2063         * mklibgcc.in: Parameterise the script to build soft float
2064         functions by iterating over each type, rather than cloning the
2065         code for each type.
2066
2067 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2068
2069         PR middle-end/25158
2070         * builtins.c (fold_builtin_fputs): Defer check for missing
2071         replacement functions.
2072
2073 2005-11-30  Kean Johnston  <jkj@sco.com>
2074
2075         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2076         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2077
2078 2005-11-30  Richard Guenther  <rguenther@suse.de>
2079
2080         PR tree-optimization/22501
2081         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2082         function split out from ...
2083         (forward_propagate_addr_expr): ... here.  Use it to propagate
2084         ADDR_EXPRs to all uses.
2085
2086 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2087
2088         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2089         * builtins.c (expand_builtin_mathfn): Use them.
2090         (expand_builtin_mathfn_2): Likewise.
2091         (expand_builtin_mathfn_3): Likewise.
2092         (expand_builtin_int_roundingfn): Likewise.
2093         (expand_builtin): Likewise.
2094         (integer_valued_real_p): Likewise.
2095         (fold_builtin_int_roundingfn): Likewise.
2096         (fold_builtin_bitop): Likewise.
2097         (fold_builtin_logarithm): Likewise.
2098         (fold_builtin_1): Likewise.
2099         * convert.c (convert_to_integer): Likewise.
2100         * fold-const.c (negate_mathfn_p): Likewise.
2101         (tree_expr_nonnegative_p): Likewise.
2102
2103 2005-11-30  Dale Johannesen  <dalej@apple.com>
2104             Andrew Pinski  <pinskia@physics.uc.edu>
2105
2106         * combine.c (find_split_point):  Sign extend bitmask
2107         when changing bitfield assignment to IOR of AND.
2108
2109 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2110
2111         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2112         clobber to scratch reg.
2113         (*decrement_and_branch_until_zero_no_clobber): Remove.
2114         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2115         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2116         * config/ms1/ms1.opt (mmul): Remove.
2117         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2118         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2119
2120 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2121             Bernd Schmidt  <bernd.schmidt@analog.com>
2122
2123         * pa/predicates.md (symbolic_operand): Add comment.
2124         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2125         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2126         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2127         (pa_secondary_reload_class): Delete.
2128         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2129         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2130         copy of symbolic operand.
2131         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2132
2133 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2134
2135         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2136         jump.
2137
2138 2005-11-30  Jeff Law  <law@redhat.com>
2139
2140         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2141         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2142
2143 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2144
2145         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2146         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2147         (ia64_expand_move): Adjust caller.
2148
2149         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2150         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2151         negate VAL.
2152
2153 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2154
2155         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2156         Always produce an output if we can remove NEGs or canonicalize
2157         (minus (minus ...)) expressions.  Provide a fast path for the
2158         two-operand case.
2159         (simplify_gen_binary): Do not call simplify_plus_minus.
2160         (simplify_binary_operation_1): Reassociate at the end of the
2161         function.
2162
2163 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2164
2165         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2166         moves and unpack to speed up.
2167
2168 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2169
2170         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2171         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2172         (gen_v9_scc): Update callers.
2173         * config/sparc/sparc.md: Likewise.
2174         * config/sparc/sparc-protos.h: Update extern declaration.
2175
2176         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2177
2178 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2179
2180         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2181         the if.
2182
2183 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2184
2185         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2186         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2187         (negate_expr): Here.
2188
2189 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2190
2191         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2192         Fix typo in comment.
2193
2194 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2195
2196         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2197         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2198
2199 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2200
2201         PR middle-end/20109
2202         PR middle-end/25120
2203         * builtins.c (init_target_chars): New.
2204         (expand_builtin_printf, expand_builtin_fprintf,
2205         expand_builtin_sprintf, fold_builtin_sprintf,
2206         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2207         fold_builtin_snprintf_chk, fold_builtin_printf,
2208         fold_builtin_fprintf): Check for matching format strings using
2209         the target charset.
2210
2211 2005-11-29  Paul Brook  <paul@codesourcery.com>
2212
2213         * config.gcc: Do not use fixproto on m68k-elf.
2214
2215 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2216
2217         * expmed.c (div_cost): Replace with...
2218         (sdiv_cost, udiv_cost): New.
2219         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2220         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2221         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2222         (expand_divmod): Replace use of div_cost with either sdiv_cost
2223         or udiv_cost depending upon the signedness of the operation.
2224
2225 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2226
2227         PR libfortran/24991
2228         * config/darwin.c (machopic_indirection_name,
2229         machopic_output_indirection): Follow transparent alias chain.
2230
2231 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2232
2233         * varasm.c (ultimate_transparent_alias_target): Add comment.
2234
2235 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2236
2237         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2238         SET_SRC instead of XEXP where appropriate.
2239
2240 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2241
2242         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2243         __builtin_expect.
2244
2245 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2246
2247         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2248         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2249         bit at a time.
2250
2251 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2252
2253         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2254         secondary_input_reload_class, made static.  Adapt to new
2255         infrastructure.
2256         (secondary_output_reload_class): Delete.
2257         (TARGET_SECONDARY_RELOAD): New macro.
2258         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2259         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2260
2261 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2262
2263         PR c++/21166
2264         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2265         when its natural alignment is > BITS_PER_UNIT.
2266         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2267         * c-common.c (handle_packed_attribute): Ignore packing on a field
2268         whose type is naturally char aligned.
2269
2270 2005-11-28  Richard Guenther  <rguenther@suse.de>
2271
2272         * c-common.c (strict_aliasing_warning): Handle all
2273         component-ref like accesses.
2274
2275 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2276             Uros Bizjak  <uros@kss-loka.si>
2277
2278         PR middle-end/20219
2279         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2280         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2281         when flag_unsafe_math_optimizations is set and
2282         we don't care about NaNs or Infinities.
2283
2284         Move x/expN(y) and x/pow(y,z) transformation into common
2285         flag_unsafe_math_optimizations section.
2286
2287 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2288
2289         * gcc.c (main): Change type of argv to "char **".
2290
2291 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2292
2293         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2294         small data sections.
2295         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2296         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2297         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2298         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2299         output locals to sbss if !rs6000_elf_in_small_data_p.
2300         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2301
2302 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2303
2304         PR target/24997
2305         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2306         generated by reload.
2307         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2308         indexed_or_indirect_address.
2309         (indexed_or_indirect_address): Don't test for base reg.  Call
2310         address_operand last.  Make it a special predicate.
2311
2312 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2313
2314         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2315
2316 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2317
2318         PR middle-end/24575
2319         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2320         is undefined.
2321         (negate_expr): Likewise.
2322
2323 2005-11-27  Andreas Schwab  <schwab@suse.de>
2324
2325         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2326         redundant parens.
2327
2328 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2329
2330         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2331         has EH predecessor edges.
2332
2333 2005-11-26  Eric Christopher  <echristo@apple.com>
2334
2335         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2336         register stalls by zero extending to the full register.
2337
2338 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2339
2340         * config/floatunsisf.c, config/floatunsidf.c,
2341         config/floatunsixf.c, config/floatunsitf.c: New files.
2342         * config/ia64/t-hpux: Add floatunsitf.c.
2343         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2344         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2345
2346 2005-11-26  Richard Henderson  <rth@redhat.com>
2347
2348         * c-lex.c (pragma_lex): Rename from c_lex.
2349         * c-pch.c: Update for pragma_lex rename.
2350         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2351         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2352         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2353         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2354         * doc/tm.texi: Likewise.
2355
2356 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2357
2358         PR middle-end/23669
2359         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2360         when overflow is undefined.
2361
2362 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2363
2364         * doc/md.texi (Insn Canonicalizations): Refer to the
2365         function commutative_operand_precedence for further rules.
2366
2367 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2368
2369         PR middle-end/21309
2370         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2371         is less than zero.  Limit mult_cost to a reasonable upper bound for
2372         the synthetic multiplication sequence.
2373
2374 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2375
2376         PR middle-end/25022
2377         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2378         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2379         Lookup the explicit replacement functions for any unlocked
2380         stdio builtin transformations.
2381
2382 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2383
2384         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2385         earlyclobber.
2386         * targhooks.c (default_secondary_reload): Don't require operand 2
2387         for an input reload to be earlyclobber.
2388
2389 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2390
2391         * fold-const.c (negate_mathfn_p): Fix comment and add support
2392         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2393         BUILT_IN_ATANH.
2394
2395 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2396
2397         PR middle-end/24998
2398         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2399         _Q_ulltoq for unsigned conversions from SImode and DImode to
2400         TFmode.
2401
2402 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2403
2404         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2405         (__floatundidf, __floatundisf): Likewise.
2406
2407 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2408
2409         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2410         (rs6000_override_options): Remove initialization of
2411         rs6000_sr_alias_set.
2412         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2413         (rs6000_emit_stack_tie): Same.
2414         (emit_frame_save): Same.
2415         (gen_frame_mem_offset): Same.
2416         (rs6000_emit_prologue): Same.
2417         (rs6000_emit_epilogue): Same.
2418
2419 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2420
2421         PR middle-end/24989
2422         * fold-const.c (fold_build): Convert bool_var != 1 and
2423         bool_var == 0 to !bool_var.
2424
2425 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2426
2427         PR middle-end/24990
2428         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2429         for C being INTEGER_CST.  Likewise for !=.
2430
2431 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2432
2433         PR middle-end/24998
2434         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2435         unsigned conversions from SImode to TFmode.
2436
2437 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2438
2439         * expr.c (expand_expr_real_1): Fix error in last change.
2440
2441 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2442
2443         * caller-save.c: (this_insn_sets): Move into:
2444         (save_call_clobbered_regs).
2445         (mark_set_regs): Get this_insn_sets from data.
2446
2447         (save_call_clobbered_regs): Take sets of the return value by
2448         sibcalls into account.
2449
2450 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2451         PR target/21623:
2452
2453         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2454         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2455         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2456         (memory_move_secondary_cost, init_reg_autoinc): Remove
2457         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2458         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2459         secondary_reload_class call.
2460         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2461         callers.
2462         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2463         (push_secondary_reload): Use secondary_reload target hook.
2464         (secondary_reload_class, scratch_reload_class): New functions.
2465         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2466         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2467         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2468         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2469         (secondary_reload_class, scratch_reload_class): Declare.
2470         * reload1.c: Include target.h.
2471         (reload_adjust_reg_for_temp): New function.
2472         (reload_adjust_reg_for_icode): Likewise.
2473         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2474         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2475         call.
2476         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2477         for inheritance.  Support case when both secondary & tertiary reloads
2478         are for intermediate registers.
2479         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2480         with secondary_reload_class call.  Support case when both secondary
2481         & tertiary reloads are for intermediate registers.
2482         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2483         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2484         * target.h (secondary_reload_info): New struct / typedef.
2485         (struct gcc_target): New member secondary_reload.
2486         * targhooks.c Include reload.h, optabs.h and recog.h.
2487         (default_secondary_reload): New function.
2488         * targhooks.h (default_secondary_reload): Declare.
2489         * doc/tm.texi: Document secondary_reload target hook.  Update
2490         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2491         * doc/md.texi: Likewise.
2492
2493         * sh-protos.h (sh_secondary_reload): Declare.
2494         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2495         (sh_secondary_reload): New function.
2496         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2497         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2498         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2499         (HAVE_SECONDARY_RELOADS): Define.
2500         * sh.md (reload_indf): Rename to:
2501         (reload_indf__frn).
2502         (reload_outdf): Rename to:
2503         (reload_outdf__RnFRm).
2504         (reload_insf): Rename to:
2505         (reload_insf__frn).
2506         (reload_insi): Rename to:
2507         (reload_insi__i_fpul).
2508
2509 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2510
2511         * configure.ac: Require at least texinfo 4.4.
2512         * configure: Regenerate.
2513
2514         * doc/install.texi (Tools/packages necessary for building GCC):
2515         Update required version of texinfo to at least 4.4.
2516         (Installing GCC: Building): Update required version of texinfo
2517         to at least 4.4.
2518         (Installing GCC: Final installation): Update required version
2519         of texi2dvi to at least 4.4.
2520         (Host/target specific installation notes for GCC): Update required
2521         version of texinfo to at least 4.4.
2522
2523 2005-11-24  Richard Guenther  <rguenther@suse.de>
2524         Dirk Mueller <dmueller@suse.de>
2525
2526         PR c++/14024
2527         * c-common.h (strict_aliasing_warning): Declare.
2528         * c-common.c (strict_aliasing_warning): New function,
2529         split out from ...
2530         * c-typeck.c (build_c_cast): ... here.
2531
2532 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2533
2534         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2535         to order operands.
2536         (swap_commutative_operands_with_target): New.
2537
2538 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2539
2540         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2541         also when doing PRE, rather than only for global CPROP.
2542
2543 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2544
2545         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2546         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2547         formatting.
2548         (expand_twoval_unop): Likewise.
2549         (widen_clz): Likewise.
2550         (expand_parity): Likewise.
2551         (expand_unop): Likewise.
2552         (emit_cmp_and_jmp_insn_1): Likewise.
2553         (prepare_float_lib_cmp): Likewise.
2554
2555 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2556
2557         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2558         Remove unused `class' variable.
2559
2560 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2561
2562         PR c++/21667
2563         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2564         C/C++ diagnostic function warn_array_subscript_with_type_char.
2565         * c-common.h (warn_array_subscript_with_type_char): Declare.
2566         * c-common.c (warn_array_subscript_with_type_char): Define.
2567
2568 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2569
2570         PR c/21668
2571         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2572         compiling at the intersection of C and C++.
2573
2574 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2575
2576         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2577         List @file in the option summary.  Include the libiberty
2578         documentation for @file.
2579         * gcc.c (main): Call expandargv.
2580         * Makefile.in (gcc-vers.texi): Define srcdir.
2581
2582 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2583
2584         * passes.c (init_optimization_passes): Document
2585         sequencing of passes.
2586
2587 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2588
2589         * config/m68k/predicates.md (pcrel_address, extend_operator,
2590         post_inc_operand, pre_dec_operand): Remove redundant
2591         conditionals.
2592         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2593         instead of abort.
2594         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2595
2596 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2597
2598         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2599
2600 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2601
2602         Preparatory work for PR target/21623:
2603         * alpha.c (secondary_reload_class): Rename to:
2604         (alpha_secondary_reload_class).
2605         * alpha.h, alpha-protos.h: Likewise.
2606         * mn10300.c (secondary_reload_class): Rename to:
2607         (mn10300_secondary_reload_class).
2608         * mn10300.h, mn10300-protos.h: Likewise.
2609         * pa.c (secondary_reload_class): Rename to:
2610         (pa_secondary_reload_class).
2611         * pa.h, pa-protos.h: Likewise.
2612         * rs6000.c (secondary_reload_class): Rename to:
2613         rs6000_secondary_reload_class.
2614         * rs6000.h, rs6000-protos.h: Likewise.
2615
2616 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2617
2618         PR middle-end/22561
2619         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2620
2621 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2622
2623         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2624         a mode_class.
2625         (prepare_cmp_insn): Likewise.
2626
2627 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2628
2629         PR target/23435
2630         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2631         if both operands[0] and operands[1] are memory.
2632
2633 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2634
2635         PR middle-end/23606
2636         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2637         COMPARISON_CLASS_P and an integral types create create a new
2638         expression with the new type and fold that.
2639
2640 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2641
2642         PR target/24988
2643         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2644         to SUBTARGET_OS_CPP_BUILTINS.
2645
2646 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2647
2648         * arm.c (emit_set_insn): New function.
2649         (arm_split_constant): Call it.
2650         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2651         (arm_legitimize_address): Likewise.  Use plus_constant.
2652         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2653         (thumb_expand_prologue): Likewise.
2654         (arm_gen_load_multiple): Use VOIDmode in SET.
2655         (arm_gen_store_multiple): Likewise.
2656         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2657         (emit_multi_reg_push): Likewise.
2658         (emit_sfm): Use plus_constant.
2659
2660 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2661
2662         PR target/24954
2663         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2664         typo last change.
2665
2666 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2667
2668         PR middle-end/24950
2669         * expmed.c (store_bit_field): Don't attempt to insv a field
2670         larger than the reg.
2671
2672 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2673
2674         PR target/24954
2675         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2676         explicit sign extension, not a (char) cast.
2677
2678 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2679
2680         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2681         GET_MODE_CLASS (x) == MODE_FLOAT.
2682         * config/i386/i386.c: Likewise.
2683         * config/rs6000/xcoff.h: Likewise.
2684         * config/rs6000/linux64.h: Likewise.
2685         * config/rs6000/rs6000.c: Likewise.
2686         * config/rs6000/rs6000.h: Likewise.
2687         * config/rs6000/predicates.md: Likewise.
2688         * config/rs6000/sysv4.h: Likewise.
2689
2690 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2691
2692         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2693         flag_pic is set.
2694
2695         * config/alpha/freebsd.h, config/alpha/linux.h,
2696         config/arm/linux-elf.h, config/bfin/bfin.h,
2697         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2698         config/i386/beos-elf.h, config/i386/gnu.h,
2699         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2700         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2701         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2702         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2703         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2704         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2705         config/sparc/linux.h, config/sparc/linux64.h,
2706         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2707
2708         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2709         are both defined when either flag -fpic or -fPIC are used.
2710
2711 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2712
2713         * config/fp-bit.c (clzusi): New function.
2714         (si_to_float, usi_to_float): Use it to compute proper shift.
2715         (usi_to_float): Preserve guard bits when shifting right.
2716         * libgcc-std.ver (GCC_4.2.0): New version.
2717         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2718         __floatundisf): New functions.
2719         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2720         __floatundisf): Declare.
2721         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2722         _floatundixf, and _floatunditf.
2723         * optabs.c (expand_float): If target does not define a pattern for
2724         signed or unsigned conversion, use an unsigned libcall instead of
2725         a signed one.
2726         (init_optabs): Initialize ufloat_optab.
2727
2728 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2729
2730         * config/rs6000/rs6000.opt (mmulhw): New option.
2731         * doc/invoke.texi (-mmulhw): Document.
2732         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2733         for 405 and 440.
2734         * config/rs6000/rs6000.md: Add half-word multiply and
2735         multiply-accumulate instructions for 405 and 440.
2736
2737 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2738
2739         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2740         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2741         default now includes a linker group which makes the RTEMS one nest.
2742
2743 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2744
2745         * cse.c (fold_rtx): Typo fix.
2746         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2747
2748 2005-11-21  Richard Henderson  <rth@redhat.com>
2749
2750         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2751         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2752
2753         * c-tree.h (lookup_name): Move declaration ...
2754         * c-common.h (lookup_name): ... here.
2755         * config/darwin-c.c: Include c-common.h.
2756         * config/t-darwin: Update dependencies.
2757
2758 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2759
2760         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2761         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2762         * genopinit.c (gen_insn): Likewise.
2763         * reload.c (find_equiv_reg): Likewise.
2764         * loop.c (load_mems): Likewise.
2765         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2766         * cse.c (find_comparison_args, fold_rtx): Likewise.
2767         * dwarf2out.c (add_const_value_attribute): Likewise.
2768         * expr.c (convert_move): Likewise.
2769         * recog.c (general_operand, register_operand): Likewise.
2770         * reg-stack.c (replace_reg): Likewise.
2771         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2772         * c-common.c (handle_vector_size_attribute): Likewise.
2773         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2774         (simplify_binary_operation_1): Likewise.
2775         (simplify_const_binary_operation): Likewise.
2776         (simplify_relational_operation): Likewise.
2777         (simplify_const_relational_operation): Likewise.
2778         (simplify_immed_subreg): Likewise.
2779         * emit-rtl.c (gen_lowpart_common): Likewise.
2780         * expmed.c (expand_mult): Likewise.
2781         * stor-layout.c (layout_type): Likewise.
2782
2783 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2784
2785         PR target/24951
2786         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2787         cst2 only for SPE vectors.
2788
2789 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2790
2791         PR target/24953
2792         * config/rs6000/predicates.md (vrsave_operation): Check
2793         UNSPEC_VOLATILE value.
2794
2795 2005-11-21  Jan Hubicka  <jh@suse.cz>
2796
2797         PR tree-optimization/24653
2798         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2799
2800 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2801
2802         * config/i386/predicates.md (ax_reg_operand): New predicate.
2803         (memory_displacement_only_operand): New predicate.
2804         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2805         operand is AX register and the other operand is memory operand
2806         with displacement only.
2807
2808 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2809
2810         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2811         if we don't care about NaNs or Infinities.
2812
2813 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2814
2815         PR rtl-optimization/24883
2816         * combine.c (combinable_i3pat): When checking whether the
2817         destination of i3 is used in i3, consider paradoxical subregs.
2818
2819 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2820
2821         PR middle-end/20583
2822         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2823
2824 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2825
2826         * combine.c (try_combine): Do not run subst on i1src and i2src in
2827         the case of generating a PARALLEL for a comparison.
2828
2829 2005-11-20  Richard Henderson  <rth@redhat.com>
2830
2831         PR 24931
2832         * tree-sra.c (struct sra_elt): Add all_no_warning.
2833         (struct sra_walk_fns) <use>: Add use_all argument.
2834         (sra_walk_expr): Pass it.
2835         (sra_walk_modify_expr): Likewise.
2836         (scalarize_ldst): Likewise.
2837         (scan_use): Update for new argument.
2838         (mark_no_warning): New.
2839         (scalarize_use): Use it.
2840
2841 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2842
2843         * expr.c (expand_expr_real): Use usmul_optab for widening
2844         signed * unsigned multiplies.
2845         * genopinit.c (optabs): Add usmul_widen_optab.
2846         * optabs.c (init_optabs): Likewise.
2847         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2848         (usmul_widen_optab): Define.
2849         * config/bfin/bfin.md (usmulhisi3): New pattern.
2850
2851         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2852
2853 2005-11-20  Graham Stott <btinternet.com>
2854
2855         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2856
2857 2005-11-20  Andreas Schwab  <schwab@suse.de>
2858
2859         PR target/24757
2860         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2861         insn.
2862
2863 2005-11-19  Richard Henderson  <rth@redhat.com>
2864
2865         PR tree-opt/24665
2866         * tree-gimple.c (is_gimple_id): Export.
2867         * tree-gimple.h (is_gimple_id): Declare.
2868         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2869         (get_default_value): Use it.
2870         (maybe_fold_stmt_indirect): Likewise.
2871
2872 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2873
2874         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2875         than VR1 or vice-versa.
2876
2877 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2878
2879         PR middle-end/24912
2880         PR middle-end/24750
2881         * reload.c (find_reloads_address_1): Mention dependency on
2882         gen_reload.
2883         * reload1.c (gen_reload): For IN with an unary operation, try
2884         moving inner expression to OUT if trivial SET is not valid.
2885         Confirm that the result is valid.  Move common code block into...
2886         (emit_insn_if_valid_for_reload): New function.
2887
2888 2005-11-19  Richard Guenther  <rguenther@suse.de>
2889
2890         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2891         ARRAY_REFs of constant strings.
2892
2893 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2894
2895         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2896         fatal format string.
2897
2898 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2899
2900         * combine.c (make_compound_operation): Swap operands of
2901         commutative operation if necessary before returning.
2902
2903 2005-11-19  Richard Guenther  <rguenther@suse.de>
2904
2905         PR middle-end/23294
2906         * fold-const.c (fold_plusminus_mult_expr): New function.
2907         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2908         cases, remove now unnecessary code.
2909
2910 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2911
2912         * gensupport.c (old_preds): Rename to std_preds, add special field.
2913         (struct old_pred_table): Rename to struct std_pred_table, add special
2914         field.
2915         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2916         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2917         (init_predicate_table): Adjust, and set along the way whether a
2918         predicate is special.
2919
2920 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2921
2922         * BASE-VER: Change to 4.2.0.
2923
2924 2005-11-18  James E Wilson  <wilson@specifix.com>
2925
2926         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2927         returning it.
2928
2929 2005-11-18  Mike Stump  <mrs@apple.com>
2930
2931         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2932         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2933         * c-decl.c (lookup_name_two) Remove.
2934         * c-tree.h (lookup_name_two): Remove.
2935         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2936         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2937         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2938         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2939
2940 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2941
2942         PR target/24914
2943         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2944         when not generating code to use that co-processor.
2945
2946 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2947
2948         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2949         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2950         these functions are now in tree-phinodes.c.
2951
2952 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2953
2954         * config/bfin/bfin.md (trap): New pattern.
2955
2956 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2957
2958         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2959         on types.
2960
2961         * expr.c (expand_expr_real): Don't call record_block_change unless
2962         ib_boundaries_block is non-null
2963
2964         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2965
2966         * fold-const.c (build_range_check): Use proper type for subtraction
2967         when merging lower bound.
2968
2969 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2970
2971         PR rtl-optimization/24497
2972         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2973         the copied insn.
2974
2975 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2976
2977         * tree-scalar-evolution.c (expression_expensive_p): New function.
2978         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2979
2980 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2981
2982         * config/bfin/crtlibid.s: New file.
2983
2984 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2985
2986         PR target/24348
2987         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2988         when not using sjlj exceptions.
2989         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2990         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2991         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2992         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2993         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2994         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2995         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2996         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2997         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2998         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2999         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3000         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3001         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3002         defines.
3003         * config/pa/hpux-unwind.h: New file.
3004
3005 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3006
3007         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3008         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3009         * varasm.c (do_assemble_alias): Adjust call.
3010         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3011         is defined.
3012         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3013
3014 2005-11-17  James E Wilson  <wilson@specifix.com>
3015
3016         * tree.def (FUNCTION_DECL): Correct typo in comment.
3017
3018 2005-11-17  Richard Henderson  <rth@redhat.com>
3019
3020         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3021         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3022         and DW_CFA_def_cfa_sf.
3023         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3024         (dbx_reg_number): Don't assert particular registers here.
3025         (based_loc_descr): ... do it here instead.  Fold in ...
3026         (eliminate_reg_to_offset): ... this function.
3027         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3028         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3029         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3030         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3031         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3032         (instantiate_virtual_regs): Likewise.
3033         * var-tracking.c (adjust_stack_reference): Likewise.
3034         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3035
3036 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3037
3038         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3039         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3040         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3041         crtlibid.o.
3042         ($(T)crtlibid.o): New rule.
3043
3044 2005-11-16  Richard Guenther  <rguenther@suse.de>
3045
3046         PR middle-end/24851
3047         * fold-const.c (extract_array_ref): Return byte offset
3048         in all cases.
3049         (fold_binary): Fold &x[a] CMP &x[b] to
3050         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3051         behavior.
3052
3053 2005-11-16  Richard Henderson  <rth@redhat.com>
3054
3055         PR middle-end/23497
3056         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3057         parts of an SSA_NAME.
3058
3059 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3060
3061         PR target/24861
3062         * arm.md (split for movsf with immediate): Restrict split to insns
3063         that set a general register.
3064
3065 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3066
3067         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3068         uw_update_context.
3069         * unwind-dw2.c (uw_advance_context): Likewise.
3070         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3071         _Unwind_SjLj_Unregister.
3072         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3073
3074 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3075
3076         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3077
3078 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3079
3080         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3081         langhook to get a DImode integer type.
3082
3083 2005-11-16  Richard Henderson  <rth@redhat.com>
3084             J"orn Rennecke <joern.rennecke@st.com>
3085             Ulrich Weigand  <uweigand@de.ibm.com>
3086
3087         PR rtl-opt/24160
3088         PR target/24621
3089         * reload1.c (reg_equiv_invariant): New.
3090         (reload): Allocate, initialize, and free it.
3091         (calculate_needs_all_insns): Check it when skipping equivalence
3092         setting insns.
3093         (alter_reg): Likewise.
3094         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3095         may_use_invariant argument; only use reg_equiv_invariant when true.
3096         (eliminate_regs): New.
3097         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3098         a context for which may_use_invariant may be true.
3099
3100 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3101
3102         * fold-const.c (const_binop): Don't constant fold the operation
3103         if the result has overflowed and flag_trapping_math.
3104         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3105
3106 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3107
3108         * config/arm/unwind-arm.c (abort): Add prototype here.
3109         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3110         (struct phase1_vrs): Add prev_sp.
3111         (unwind_phase2_forced): Save the original core registers instead of
3112         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3113         and set action flags accordingly.  Always set _US_END_OF_STACK when
3114         get_eit_entry fails.  Unwind before calling the stop function.
3115         (_Unwind_GetCFA): New function.
3116         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3117         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3118         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3119         just call unwind_phase2_forced.
3120         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3121         * config/arm/unwind-arm.h (abort): Remove prototype.
3122         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3123         prototypes.
3124         (_Unwind_GetCFA): New prototype.
3125         * config/arm/pr-support.c (abort): Add prototype here.
3126         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3127         forced unwinding.
3128         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3129         not schedule the prologue with non-call exceptions and EABI.
3130
3131 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3132
3133         * config/arm/unwind-arm.h: Reorder interface function declarations.
3134         (_URC_END_OF_STACK): New enumeration value.
3135         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3136         (struct _Unwind_Control_Block): Document reserved field use.
3137         (_Unwind_Stop_Fn): New typedef.
3138         (_Unwind_ForcedUnwind): Declare.
3139         (_Unwind_Resume_or_Rethrow): Declare.
3140         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3141         argument.  Adjust.
3142         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3143         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3144         (UCB_FORCED_STOP_ARG): New.
3145         (search_EIT_table): Update boundary condition checks.
3146         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3147         (unwind_phase2): Replace for with do..while.
3148         (unwind_phase2_forced): New.
3149         (__gnu_Unwind_RaiseException): Replace for with do..while.
3150         (__gnu_Unwind_ForcedUnwind): New.
3151         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3152         Use appropriate phase2 unwinder.
3153         (__gnu_Unwind_Resume_or_Rethrow): New.
3154         (__gnu_unwind_pr_common): Cope with forced unwinding.
3155
3156 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3157
3158         PR target/24772
3159         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3160
3161         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3162         roundsf2): Remove "s" from mnemonic.
3163
3164 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3165
3166         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3167         __PIC__ is defined.
3168         * config/bfin/crtn.s: Change epilogues to match.
3169         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3170         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3171         __PIC__ and __pic__.
3172
3173 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3174
3175         PR 24357
3176         * doc/invoke.texi: Distinguish between free and fixed form instead of
3177         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3178         languages.
3179         * gcc.c (default_compilers): Remove double entries, add entries for
3180         suffixes '.F90' and '.F95'.
3181
3182 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3183
3184         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3185         in the stack probing loop.
3186
3187 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3188
3189         * configure.ac: Use .machine power5 not power5x.
3190         * configure: Regenerate.
3191
3192 2005-11-15  Mike Stump  <mrs@apple.com>
3193
3194         * c-decl.c (lookup_name_two): Add.
3195         * c-tree.h (lookup_name_two): Likewise.
3196         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3197         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3198
3199 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3200
3201         PR rtl-optimization/23392
3202         * regrename.c (enum scan_actions) Add mark_access.
3203         (scan_actions_name): Ditto.
3204         (scan_rtx_reg): Handle mark_access.
3205         (scan_rtx_address): Do nothing for mark_access.
3206         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3207         and regs in REG_INC notes before closing chains for dead regs.
3208         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3209         opening chains for new writes.
3210
3211 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3212
3213         * c.opt (ffixed-line-length-none): New.
3214
3215 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3216
3217         * mklibgcc.in: Change contents of eh_dummy.c.
3218
3219 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3220
3221         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3222
3223 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3224
3225         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3226         of making syscalls.
3227         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3228
3229 2005-11-15  Jan Hubicka  <jh@suse.cz>
3230
3231         * invoke.texi (large-unit-insns): Document.
3232         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3233         * params.def (large-unit-insns): New param.
3234
3235 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3236
3237         PR target/24869
3238         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3239         special register for operand 3.  Reindent constraints to align
3240         them vertically.
3241
3242 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3243
3244         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3245         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3246         * configure.ac: Add test for FP rounding instructions.
3247         * configure: Regenerate.
3248         * config.in: Regenerate.
3249         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3250         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3251         features enabled.
3252         * config/rs6000/rs6000.opt (mfprnd): New.
3253         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3254         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3255         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3256         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3257         (TARGET_FPRND): New.
3258         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3259         UNSPEC_FRIZ): New.
3260         (btrunc<mode>2): New.
3261         (ceil<mode>2): New.
3262         (floor<mode>2): New.
3263         (round<mode>2): New.
3264
3265 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3266
3267         * gcc.c (version_compare_spec_function): Use fatal() rather than
3268         abort().
3269
3270         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3271         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3272         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3273         as empty.
3274         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3275         link in crt2.o.
3276
3277         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3278         on -mmacosx-version-min setting.
3279
3280 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3281
3282         PR 24840
3283         * tree-vrp.c (infer_value_range): Return false if STMT is a
3284         block terminator and its basic block has no successors.
3285
3286 2005-11-14  Mike Stump  <mrs@apple.com>
3287
3288         * config/i386/i386.c (override_options): -masm=intel isn't
3289         supported on darwin.
3290         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3291
3292 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3293
3294         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3295         vfork after including auto-host.h.
3296
3297 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3298
3299         PR rtl-optimization/22002
3300         * combine.c (distribute_notes): Detect cases where a reg dies
3301         two or more times in a bb, including on the insn we are combining,
3302         and place the death note on the correct range.
3303
3304 2005-11-14  Dale Johannesen  <dalej@apple.com>
3305
3306         * expmed.c (store_bit_field):  Add offset unconditionally for
3307         memory targets.
3308         (extract_bit_field):  Don't force extzv or extv operand into
3309         a register if field is too big.
3310
3311 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3312
3313         * config/arm/arm.c (pic_labelno): New.
3314         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3315         LABEL_REF.  Pass only the labelno to PIC insns.
3316         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3317         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3318         * arm.md (UNSPEC_PIC_LABEL): New constant.
3319         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3320         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3321         Use the correct label prefix.
3322
3323 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3324
3325         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3326         REQ_EQUIV note.
3327
3328 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3329
3330         * loop-invariant.c: Include tm_p.h.
3331         * Makefile.in: Updated.
3332
3333 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3334
3335         * pa.c (store_reg): Revise generation of frame notes in large frames.
3336         (set_reg_plus_d): Likewise.
3337
3338 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3339
3340         PR tree-optimization/24709
3341         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3342         loop check.
3343
3344 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3345
3346         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3347         and duplicate declaration of pthread_self.
3348
3349 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3350             Ian Lance Taylor  <ian@airs.com>
3351
3352         PR middle-end/24003
3353         * calls.c (expand_call): If TARGET is a MEM and some part of the
3354         argument area has been saved, force TARGET to a register.
3355
3356 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3357
3358         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3359         checking.
3360
3361 2005-11-13  Jason Merrill  <jason@redhat.com>
3362
3363         PR c++/22489
3364         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3365         lazily declared methods.
3366         (force_decl_die): Stop if forcing out the context already make a
3367         DIE for the decl.
3368         (force_type_die): Likewise.
3369
3370 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3371
3372         PR middle-end/24820
3373         * builtins.c (integer_valued_real_p): Add break in
3374         REAL_CST having TREE_OVERFLOW set.
3375
3376 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3377
3378         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3379         addressing modes during calculation of costs.
3380
3381 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3382
3383         * function.c (assign_stack_local_1): Restrict sanity check
3384         on frame size overflow to 32-bit and above platforms.
3385
3386 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3387
3388         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3389         * config/cris/cris.c: Include reload.h.
3390         (cris_initial_elimination_offset): New function.
3391         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3392         Prototype.
3393
3394 2005-11-12  Richard Guenther  <rguenther@suse.de>
3395
3396         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3397
3398 2005-11-12  Jan Hubicka  <jh@suse.cz>
3399
3400         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3401         to compare against 0 when possible.
3402
3403 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3404
3405         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3406         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3407         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3408         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3409         in the new order.
3410
3411 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3412
3413         * recog.c (constrain_operands) <case 'g'>: For a match, require
3414         that a non-register matches general_operand when strict >= 0.
3415
3416 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3417
3418         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3419         previous checkin.
3420
3421 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3422
3423         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3424         (memory_address_same): New.
3425         (dse_optimize_stmt): Call memory_address_same.
3426
3427 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3428
3429         PR middle-end/24750
3430         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3431         ZERO_EXTEND>: New cases.
3432
3433 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3434
3435         * longlong.h (__clz_tab): Always provide.
3436
3437 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3438
3439         PR 24265
3440         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3441         can be assigned to.
3442         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3443         before check_maybe_invariant.
3444         (move_invariant_reg): Use gen_move_insn instead of replacing
3445         SET_DEST with the temporary for the invariant.
3446         (move_loop_invariants): If checking is enabled, do internal
3447         consistency checks after completing the pass.
3448
3449 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3450
3451         PR 24644
3452         * common.opt (Wvolatile-register-var): New.
3453         * varasm.c (make_decl_rtl): Only emit warning when option
3454         specified.  Clarify warning message.
3455         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3456
3457         * doc/md.texi (copysign): Document standard named pattern.
3458
3459 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3460
3461         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3462         bytes when align is 2.
3463         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3464         by the first instruction of the loop.
3465
3466 2005-11-11  Jason Merrill  <jason@redhat.com>
3467
3468         PR c++/24686
3469         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3470         the cleanup list.
3471
3472 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3473
3474         PR rtl-optimization/22509
3475         * local-alloc.c (memref_used_between_p): Check whether a function call
3476         could not reference the memref.
3477
3478 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3479
3480         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3481         algorithm so as to choose the best, not the worst, alternative.
3482         Reset accumulated register class before processing next alternative.
3483
3484 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3485
3486         PR target/24445
3487         * calls.c (expand_call): Copy a return value to a plain register
3488         if needed.
3489
3490 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3491
3492         PR target/24778
3493         * varasm.c (assemble_name): Recompute name only for transparent
3494         aliases.
3495
3496 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3497
3498         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3499
3500 2005-11-04  Jeff Law  <law@redhat.com>
3501
3502         PR middle-end/23181
3503         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3504         perform reassociation if the parent statement will not die as
3505         a result of the optimization.
3506
3507 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3508
3509         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3510         delete_old_heap_vars.
3511         * tree-dfa.c (referenced_var_remove): Remove function.
3512         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3513         (delete_tree_ssa): Remove call to delete_old_heapvars.
3514         Add call to delete_alias_heapvars.
3515         * tree-flow.h (referenced_var_remove): Remove prototype
3516         (init_alias_heapvars): New prototype.
3517         (delete_alias_heapvars): Ditto.
3518         * Makefile.in (tree-ssa-structalias.o): Add
3519         gt-tree-ssa-structalias.o
3520         (GTFILES): Add tree-ssa-structalias.h and
3521         tree-ssa-structalias.c.
3522         (s-gtype): Add gt-tree-ssa-structalias.h.
3523         * tree-ssa-structalias.c (heapvars): Remove.
3524         (oldheapvars): Remove.
3525         (heapvar_for_stmt): New variable.
3526         (heapvar_lookup): New function.
3527         (heapvar_insert): Ditto.
3528         (get_constraint_for): See if we have an old heapvar
3529         to reuse.
3530         (init_alias_heapvars): New function.
3531         (delete_alias_heapvars): Ditto.
3532         Add include of gt-tree-ssa-structalias.h.
3533
3534 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3535
3536         PR middle-end/22127
3537         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3538
3539 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3540
3541         * tree.c (int_fits_type_p): Only look at the base type
3542         if it has the same precision as the original type.
3543
3544 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3545
3546         PR other/4372
3547         * varasm.c (assemble_alias): Use %q+D in the error
3548         message instead of %J and %qD.
3549
3550 2005-11-10  Richard Guenther  <rguenther@suse.de>
3551
3552         * gcse.c (free_ldst_entry): Only free hashtable if
3553         it exists.
3554
3555 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3556
3557         * function.c (assign_stack_local_1): Issue an error message if
3558         the frame size overflows in the signed target arithmetics.
3559
3560 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3561
3562         * tree.c (build_qualified_type): Chain the new type to the original
3563         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3564         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3565         (build_pointer_type_for_mode): Only return unqualified types.
3566         (build_reference_type_for_mode): Likewise.
3567
3568 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3569
3570         * Makefile.in (gnucompare): Do comparison of all files using one of
3571         the chosen methods and only afterwards decide if just warning should
3572         be issued or comparison failure raised.
3573
3574 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3575
3576         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3577         (noce_try_abs): Negate if the comparison is reversed.
3578         Look only one instruction backwards for a REG_EQUAL note.
3579
3580 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3581
3582         PR other/4372
3583         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3584         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3585         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3586         and prefix all uses with __ghtrw.
3587
3588 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3589
3590         PR other/4372
3591         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3592         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3593         * c-common.c (handle_weakref_attribute): New.
3594         (c_common_attribute_table): Add weakref.
3595         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3596         in the assembler.
3597         * configure, config.in: Rebuilt.
3598         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3599         * doc/extend.texi: Document weakref attribute.
3600         * varasm.c (ultimate_transparent_alias_target): New
3601         (assemble_name): Use it.
3602         (weak_finish_1): Split out of...
3603         (weak_finish): ... and deal with weakrefs in...
3604         (weakref_targets): ... new list.
3605         (globalize_decl): Clean up weakref_targets.
3606         (do_assemble_alias): Handle weakrefs.
3607         (finish_aliases_1): Do not reject weakrefs to external symbols.
3608         (assemble_alias): Handle weakrefs.
3609
3610 2005-11-09  Richard Guenther  <rguenther@suse.de>
3611
3612         PR tree-optimization/24716
3613         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3614         t_bool to track results from follow_ssa_edge.
3615
3616 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3617
3618         * final.c (force_source_line): New global variable.
3619         (final_scan_insn): Set it to true instead of clearing last_filename.
3620         (notice_source_line): Return true if force_source_line is true,
3621         unless source info is absent.
3622
3623 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3624
3625         PR c/24644
3626         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3627         a linkage name for a variable if it a register variable.
3628         * c-decl.c (grokdeclarator): Global register variables
3629         should be set as PUBLIC.
3630
3631 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3632
3633         PR 24624
3634         * config/s390/s390.c (struct s390_frame_layout): New fields
3635         first_save_gpr_slot and last_save_gpr_slot.
3636         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3637         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3638         first_save_gpr and last_save_gpr with the _slot variants.
3639         (s390_register_info): Calculate first_save_gpr_slot and
3640         last_save_gpr_slot using regs_ever_live.
3641
3642 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3643
3644         PR 24623
3645         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3646         for a function containing a landing pad.
3647
3648 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3649
3650         PR 24034
3651         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3652         is live afterwards.
3653
3654 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3655
3656         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3657         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3658
3659 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3660
3661         Add ms2 support
3662         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3663         constants.
3664         (call,load,store): New insn types.
3665         (mem_access, branch_access): Adjust reservation conditions.
3666         (define_delay): Adjust condition.
3667         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3668         type.
3669         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3670         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3671         insn type.
3672         (call_internal, call_value_internal, return_internal,
3673         return_interrupt_internal, eh_return_internal, indirect_jump,
3674         tablejump): Set call insn type.
3675         (blockage, ei, di): Use appropriate unspec const.
3676         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3677         (ms1_get_attr_type): Adjust to give load & store types.
3678         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3679         backwards past a barrier.
3680         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3681         branch scheduling.
3682         (struct branch_info, struct label_info): New.
3683         (ms1_labels): New.
3684         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3685         (ms1_machine_reorg): New.
3686         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3687         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3688         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3689         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3690         (TARGET_MS2): New.
3691
3692 2005-11-09  Per Bothner  <per@bothner.com>
3693             Uros Bizjak  <uros@kss-loka.si>
3694
3695         PR c/24101
3696         * toplev.c (process_options): Initialize debug_hooks early
3697         in case lang_hooks.post_options ends up calling a debug_hook.
3698
3699 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3700
3701         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3702         DBX_REGISTER_NUMBER being contiguous.
3703
3704 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3705             Diego Novillo  <dnovillo@redhat.com>
3706
3707         PR 23046
3708         * tree-vrp.c (register_edge_assert_for): Do not register
3709         always-false predicates.
3710
3711 2005-11-08  Devang Patel <dpatel@apple.com>
3712
3713         PR tree-optimization/23115
3714         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3715         relation.
3716
3717 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3718
3719         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3720         -mcpu=440.
3721
3722 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3723
3724         Fix PR tree-optimization/23382
3725
3726         * tree-ssa-alias.c (compute_may_aliases): Call
3727         delete_old_heap_vars.
3728         * tree-dfa.c (referenced_var_remove): New function.
3729         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3730         * tree-flow.h (referenced_var_remove): Add prototype.
3731         (delete_old_heap_vars): Ditto.
3732         * tree-ssa-structalias.c (heapvars): New variable.
3733         (oldheapvars): Ditto.
3734         (get_constraint_for): Put heap vars on heapvars list.
3735         (delete_old_heap_vars): New function.
3736
3737 2005-11-08  Jason Merrill  <jason@redhat.com>
3738
3739         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3740
3741 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3742
3743         PR target/19340
3744         * reg-stack.c (reg_to_stack): Update register liveness also
3745         for flag_sched2_use_traces.
3746
3747 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3748
3749         PR target/23704
3750         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3751         override prior explicit -mno-powerpc-gfxopt.
3752
3753 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3754
3755         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3756         if the bitsize is zero.
3757         * doc/md.texi (Standard Pattern Names): Document it.
3758
3759         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3760         (TARGET_PASS_BY_REFERENCE): Likewise.
3761
3762 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3763
3764         PR rtl-optimization/24683
3765         * config/i386/i386.c (legitimize_pic_address): If constant operand
3766         to PLUS is too large, put it in a register.
3767
3768 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3769
3770         * configure.ac: Enable checking assembler dwarf2 support for bfin
3771         target.
3772         * configure: Regenerate.
3773
3774 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3775
3776         PR target/24230
3777
3778         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3779         gen_easy_vector_constant_add_self): Delete.
3780         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3781         New.
3782         (output_vec_const_move): Use gen_easy_altivec_constant.
3783         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3784         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3785         (easy_vector_constant_add_self): Rewritten.
3786         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3787         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3788         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3789         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3790         Macroize and adjust for the other changes.
3791
3792 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3793
3794         PR c/24599
3795
3796         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3797         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3798
3799 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3800
3801         PR rtl-optimization/23567
3802         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3803         (noce_process_if_block): Don't do any optimizations except
3804         if (cond) x = x; if !set_b and write into orig_x may trap
3805         or fault.  Remove the MEM_READONLY_P check.
3806
3807 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3808
3809         PR 24670
3810         * tree-vrp.c (fix_equivalence_set): New.
3811         (extract_range_from_assert): Call it.
3812
3813 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3814
3815         PR target/22432
3816         * combine.c (apply_distributive_law): Don't distribute across a
3817         vector mode subreg.
3818
3819 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3820
3821         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3822         config/ms1/ms1.h, config/rs6000/predicates.md,
3823         config/s390/s390.c, params.def, postreload-gcse.c,
3824         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3825         tree-vrp.c, tree.c: Fix comment typos.
3826         * doc/invoke.texi: Fix typos.
3827
3828 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3829
3830         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3831         for testing whether the data_dependence_relation contains distance
3832         vectors.  Iterate over all distance vectors of the ddr.
3833         * lambda.h: Define a vec of lambda_vector pointers.
3834         * tree-data-ref.c (dump_data_dependence_relation,
3835         dump_data_dependence_direction): Iterate over all distance and
3836         direction vectors of the ddr.
3837         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3838         DDR_DIST_VECTS.
3839         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3840         of distance/direction vectors instead of a single one.
3841         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3842         lambda_vectors with a vec of lambda_vectors.
3843         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3844         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3845         DDR_NUM_DIST_VECTS): New.
3846         * tree-loop-linear.c (gather_interchange_stats): Test for the
3847         existence of distance vectors only after having checked that there
3848         is a dependence.  Iterate over all distance vectors of the ddr.
3849         (linear_transform_loops): Use dump_data_dependence_relation.
3850         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3851         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3852         distance vectors of the ddr.
3853
3854 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3855
3856         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3857         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3858         IS_INTHANDLER; all callers changed.
3859         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3860         account.
3861         (do_link, do_unlink): New argument ALL; all callers changed.
3862         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3863         If function isn't leaf, save and restore all registers.
3864         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3865         exception handler.
3866
3867 2005-11-05  Jan Hubicka  <jh@suse.cz>
3868
3869         PR rtl-optimization/23490
3870         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3871         max-flow-memory-location): Document.
3872         * flow.c: Include params.h
3873         (MAX_MEM_SET_LIST_LEN): Kill.
3874         (add_to_mem_set_list): Use new param.
3875         * cse.c (cse_basic_block): Replace 1000 by new param.
3876         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3877         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3878         * predict.c (predict_loops): Use new param.
3879         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3880
3881         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3882         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3883         Do not hold memory returned by cgraph_node_name across other call.
3884
3885 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3886
3887         PR target/23424
3888         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3889         Disable.
3890
3891 2005-11-04  Jeff Law  <law@redhat.com>
3892
3893         PR/21883
3894         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3895         * tree-ssa-dom.c: Include params.h.
3896         (thread_across_edge): If there are too many statements in the
3897         target block, then do not thread through it.
3898         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3899         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3900
3901 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3902
3903         PR 24627
3904         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3905         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3906
3907 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3908
3909         PR/18595
3910         * tree-scalar-evolution.c (instantiate_parameters_1,
3911         instantiate_parameters, resolve_mixers): Compute the size of an
3912         expression to be instantiated and give up the instantiation if the
3913         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3914
3915 2005-11-04  Richard Guenther  <rguenther@suse.de>
3916
3917         * tree-flow.h (ref_contains_indirect_ref): Rename to
3918         array_ref_contains_indirect_ref.
3919         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3920         (array_ref_contains_indirect_ref): Make comment match the code
3921         and vice-versa.
3922         (ref_contains_array_ref): Likewise.
3923         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3924         ref_contains_indirect_ref.
3925         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3926         Rename calls to ref_contains_indirect_ref.
3927
3928 2005-11-04 Paul Brook  <paul@codesourcery.com>
3929
3930         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3931         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3932         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3933         * config/arm/arm.md: Use match_operand in peephole input templates
3934         and match_dup in peephole output templates.
3935
3936 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3937
3938         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3939         __aeabi_uidiv.
3940
3941 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3942             Daniel Jacobowitz  <dan@codesourcery.com>
3943
3944         * longlong.h (add_ssaaaa): Clobber condition code register
3945         in ARM version.
3946         (sub_ddmmss): Likewise.
3947         (umul_ppmm): Likewise.
3948
3949 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3950             Paul Brook  <paul@codesourcery.com>
3951             Phil Blundell  <pb@reciva.com>
3952
3953         * configure.ac: Add test for ARM TLS support.
3954         * configure: Regenerated.
3955         * config/arm/arm-protos.h (legitimize_tls_address)
3956         (arm_tls_referenced_p, tls_mentioned_p)
3957         (arm_output_addr_const_extra): New prototypes.
3958         (thumb_legitimize_pic_address): Delete.
3959         * config/arm/arm.c: Include "gt-arm.h".
3960         (enum tls_reloc): New.
3961         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3962         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3963         (arm_call_tls_get_addr, legitimize_tls_address)
3964         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3965         (arm_init_tls_builtins, arm_emit_tls_decoration)
3966         (arm_output_addr_const_extra): New functions.
3967         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3968         (TARGET_HAVE_TLS): Define.
3969         (target_thread_pointer): New.
3970         (arm_override_options): Handle -mtp=.
3971         (legitimize_pic_address): Ignore UNSPECs.
3972         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3973         relative symbols.
3974         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3975         (tls_get_addr_libfunc): New variable.
3976         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3977         (arm_init_builtins): Call arm_init_tls_builtins.
3978         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3979         (arm_encode_section_info): Call default_encode_section_info.
3980         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3981         (enum arm_tp_type): New.
3982         (target_thread_pointer): Add declaration.
3983         (LEGITIMATE_CONSTANT_P): Handle TLS.
3984         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3985         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3986         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3987         * config/arm/arm.md: Add UNSPEC_TLS.
3988         (movsi): Handle TLS.
3989         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3990         non-PIC.
3991         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3992         (load_tp_hard, load_tp_soft): New insns.
3993         * arm.opt: Add -mtp=.
3994         * doc/invoke.texi (ARM Options): Document -mtp.
3995
3996 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3997
3998         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3999         * config/arm/libunwind.S: Include "lib1funcs.asm".
4000         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4001         (LIB2ADDEH): Add libunwind.S.
4002         (LIB2ADDEHDEP): Add lib1funcs.asm.
4003         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4004
4005 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4006
4007         PR fortran/18452
4008         * gcc/c.opt: Add a -lang-fortran option.
4009         * gcc/c-opts.c: Add a lang_fortran flag.
4010         (c_common_init_options): Handling the -lang-fortran option.
4011         (c_common_handle_option): Add a case for Fortran options in
4012         preprocessing. Remove cases for -ffixed-form and
4013         -ffixed-line-length. Add a case for -lang-fortran.
4014
4015 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4016
4017         * config/rs6000/rs6000.c: Include params.h
4018         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4019         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4020         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4021         (UNSPEC_VPKUWSS): Delete.
4022         (altivec_vpkuhss): Delete.
4023         (altivec_vpkuwss): Delete.
4024         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4025         final condition.
4026         (neg_eq0<mode>): Remove final condition.
4027         (neg_eq<mode>): Remove condition and split-condition.
4028
4029 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4030
4031         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4032         Use associated print macros.
4033
4034 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4035
4036         PR c++/17964
4037         * diagnostic.c (diagnostic_set_info_translated): New function.
4038         (diagnostic_set_info): Use it.  Add comment.
4039         * diagnostic.h (diagnostic_set_info_translated): Declare.
4040
4041 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4042
4043         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4044         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4045         reference only if 'public' is true.
4046         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4047         emit the .hidden directive only if the indirect reference is public.
4048         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4049         Pass it to dw2_force_const_mem.
4050         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4051         * dwarf2out.c (output_cfi): Adjust calls to above function.
4052         (output_call_frame_info): Likewise.
4053         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4054         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4055
4056 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4057
4058         PR tree-optimization/24483
4059         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4060         field to elts if possible.
4061
4062 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4063
4064         PR middle-end/23155
4065         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4066         CONSTRUCTOR.
4067
4068 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4069
4070         Fix PR tree-optimization/24351
4071
4072         * tree-ssa-structalias.c (struct variable_info): Add
4073         collapsed_into.
4074         (get_varinfo_fc): New function to follow collapsing.
4075         (new_var_info): Set collapsed_to to NULL.
4076         (dump_constraint): Follow collapsing.
4077         (build_constraint_graph): Handle collapsing.
4078         (do_simple_structure_copy): Return false if something bad
4079         happened.
4080         (collapse_rest_of_var): New function.
4081         (do_structure_copy): Collapse if do_simple_structure_copy returns
4082         false.
4083
4084 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4085
4086         PR middle-end/24589
4087         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4088         expressions to a statement list instead of gimplifying them.
4089
4090 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4091
4092         PR rtl-optimization/23585
4093         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4094         that can't trap plus a constant integer, if the mode has zero size.
4095
4096 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4097
4098         PR target/24620
4099         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4100         as operand 2.
4101         ("*insv<mode>_reg_extimm"): Likewise.
4102
4103 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4104
4105         PR c/24329
4106         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4107         c_common_type_for_mode returns an unnamed type.
4108
4109 2005-11-02  Richard Henderson  <rth@redhat.com>
4110
4111         PR target/9350
4112         PR target/24374
4113         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4114         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4115         * function.c (assign_parms): Use calls.internal_arg_pointer.
4116         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4117         code.
4118         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4119         (TARGET_CALLS): Add it.
4120         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4121         * targhooks.c (default_internal_arg_pointer): New.
4122         * targhooks.h (default_internal_arg_pointer): Declare.
4123         * tree.h (dwarf2out_reg_save_reg): Declare.
4124         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4125         * config/i386/i386.c (dbx_register_map): Add return column.
4126         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4127         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4128         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4129         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4130         (ix86_save_reg): Save force_align_arg_pointer.
4131         (ix86_emit_save_regs): Make regno unsigned.
4132         (ix86_emit_save_regs_using_mov): Likewise.
4133         (ix86_expand_prologue): Handle force_align_arg_pointer.
4134         (ix86_expand_epilogue): Likewise.
4135         * config/i386/i386.h: (dbx_register_map): Update.
4136         (dbx64_register_map, svr4_dbx_register_map): Update.
4137         (struct machine_function): Add force_align_arg_pointer.
4138         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4139         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4140         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4141
4142 2005-11-02  Jan Hubicka  <jh@suse.cz>
4143
4144         PR target/23303
4145         * i386.md: Add peep2 for simplyfing array accesses.
4146
4147 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4148
4149         PR target/24615
4150         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4151         * config/s390/s390.c (s390_decompose_shift_count): New function.
4152         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4153         (print_shift_count_operand): Use s390_decompose_shift_count.
4154         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4155         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4156
4157 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4158
4159         PR target/24600
4160         * loop.c (loop_givs_rescan): Use force_operand to expand
4161         complex GIVs.
4162
4163 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4164
4165         PR 22429
4166         * fold-const.c (build_range_check): Use unsigned when signed
4167         overflow is undefined also.  If etype is subtype, make sure that
4168         the subtraction is in the supertype.
4169
4170 2005-11-02  Richard Henderson  <rth@redhat.com>
4171
4172         PR target/24178
4173         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4174         by MEM_ALIGN.
4175
4176 2005-11-01  Richard Henderson  <rth@redhat.com>
4177
4178         PR 21518
4179         * loop.c (scan_loop): Do not propagate computations to a hard
4180         register destination with SMALL_REGISTER_CLASSES.
4181
4182 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4183
4184         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4185         costs for MULT inside PLUS or MINUS.
4186
4187 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4188
4189         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4190         (TRAMPOLINE_SIZE): Round up to 60.
4191         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4192
4193 2005-10-31  James E. Wilson  <wilson@specifix.com>
4194
4195         PR debug/24444
4196         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4197         ifdef.  Put ifdefs around call in gen_subprogram_die.
4198         (compute_frame_pointer_to_cfa_displacement): Likewise.
4199         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4200         not defined.
4201
4202         PR rtl-optimization/17356
4203         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4204         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4205
4206 2005-10-31  Jan Hubicka  <jh@suse.cz>
4207
4208         PR middle-end/24093
4209         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4210
4211         PR target/20928
4212         * i386.c (legitimize_pic_address): Deal with large immediates.
4213
4214         PR profile/20815
4215         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4216         from symbol names while computing checkup.
4217
4218         PR profile/24487
4219         * predict.c (predict_loops): Do not estimate more than
4220         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4221         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4222
4223 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4224
4225         PR tree-optimization/19097
4226         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4227
4228 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4229
4230         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4231
4232 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4233
4234         PR middle-end/23492
4235         * tree-inline.c (setup_one_parameter): If the init_stmt
4236         is NULL, don't insert the statement.
4237
4238 2005-10-30  Jan Hubicka  <jh@suse.cz>
4239
4240         PR tree-optimization/24172
4241         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4242
4243 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4244
4245         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4246         constants for hosts with long != 32 bits.
4247
4248 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4249
4250         PR middle-end/24093
4251         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4252
4253 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4254
4255         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4256         (TARGET_MS1_16_002): New.
4257         (TARGET_MS1_16_003): New.
4258
4259         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4260         ("*decrement_and_branch_until_zero_no_clobber"): New.
4261         Add corresponding splitter for decrement_and_branch_until_zero
4262         instruction.
4263         Key all decrement_and_branch_until_zero patterns off of
4264         TARGET_MS1_16_003.
4265
4266 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4267
4268         PR middle-end/24362
4269         * tree-complex.c (extract_component): Treat RESULT_DECL
4270         like the rest of the decls.
4271
4272 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4273
4274         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4275         indirect call to _mcount if the function needs a static chain.
4276
4277 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4278             Caroline Tice  <ctice@apple.com>
4279
4280         PR rtl-optimization/24460
4281         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4282         (dwarf2out_switch_text_section): Set it to true instead of
4283         incrementing separate_line_info_table_in_use.
4284         (output_loc_list): Additionally test have_switched_text_sections.
4285         (output_ranges): Likewise.
4286         (dwarf2out_finish): Likewise.
4287         * varasm.c (assemble_start_function): Do not call
4288         insert_section_boundary_note.
4289         (assemble_end_function): If flag_reorder_blocks_and_partition,
4290         switch to the function's section before emitting the .size directive.
4291         * bb-reorder.c (insert_section_boundary_note): Staticify.
4292         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4293         * output.h (insert_section_boundary_note): Delete.
4294
4295 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4296
4297         PR c/23103
4298         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4299         instead of pointer equality when comparing types.
4300
4301 2005-10-24  James E. Wilson  <wilson@specifix.com>
4302
4303         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4304         add_dependence_list_and_free calls.
4305
4306 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4307
4308         * contrib.texi: Add the names of the LLNL folks who donated
4309         Cray pointer support for gfortran.
4310
4311 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4312
4313         PR tree-optimization/24225
4314         * profile.c (branch_prob): Look from end to start through a
4315         basic block when looking for a locus.
4316
4317 2005-10-24  Richard Henderson  <rth@redhat.com>
4318
4319         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4320         parallel.
4321         (hppa_expand_prologue): Likewise.
4322
4323 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4324
4325         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4326         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4327         * pa.h (NO_PROFILE_COUNTERS): Define.
4328         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4329         (funcdef_nos): New vector to hold label numbers of deferred profile
4330         counters.
4331         (output_deferred_profile_counters): New function.
4332         (hppa_profile_hook): Push label number onto funcdef_nos.
4333         (pa_hpux_file_end): Call output_deferred_profile_counters if
4334         NO_DEFERRED_PROFILE_COUNTERS is false.
4335
4336         * pa-protos.h (get_deferred_plabel): New prototype.
4337         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4338         Make global.
4339         (output_call): Adjust calls.
4340
4341 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4342
4343         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4344         peculiarity of GOT/TOC section usage.
4345
4346 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4347
4348         PR objc/24435
4349          * c-common.c (constant_string_class_name): Add documentation.
4350
4351 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4352
4353         PR target/23832
4354         * recog.c (peephole2_optimize): Increment peep2_current_count
4355         only when the slot is empty.
4356
4357 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4358
4359         PR ada/23957
4360         * except.c (output_function_exception_table): Call
4361         assemble_external_libcall if we need a personality function.
4362
4363 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4364
4365         PR rtl-optimization/24460
4366         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4367         set the basic block for barriers.
4368
4369 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4370
4371         * var-tracking.c (vt_initialize): Initialize post.
4372
4373 2005-10-21  Devang Patel  <dpatel@apple.com>
4374
4375         PR/24220
4376         * c-common.c (vector_types_convertible_p): Check vector element type.
4377
4378 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4379
4380         * config/sh/sh.c (prepare_move_operands): Handle the address
4381         constant which is a tls symbolic address plus a constant.
4382
4383 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4384
4385         PR driver/24473
4386         * gcc.c (main): Use the correct counter for erroring out
4387         about mulitple files.
4388
4389 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4390
4391         PR target/24465
4392         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4393         use r2 for 64-bit tls .got access.
4394
4395 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4396
4397         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4398         TRUTH_OR_EXPR.
4399
4400 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4401
4402         PR tree-optimization/24307
4403         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4404
4405 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4406
4407         PR middle-end/24295
4408         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4409         alias targets.
4410         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4411         is ready, stop marking functions, but still mark variables.
4412
4413 2005-10-20  Richard Guenther  <rguenther@suse.de>
4414
4415         PR c++/24439
4416         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4417         void type operands.
4418
4419 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4420
4421         PR rtl-optimization/23585
4422         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4423         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4424         (may_trap_p_1): New predicate extracted from...
4425         (may_trap_p): ... here.  Invoke may_trap_p_1.
4426         (may_trap_or_fault_p): New predicate.
4427         * rtl.h (may_trap_or_fault_p): Declare it.
4428         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4429         instead of may_trap_p.
4430         (steal_delay_list_from_fallthrough): Likewise.
4431         (fill_simple_delay_slots): Likewise.
4432         (fill_slots_from_thread): Likewise.
4433         * function.c (pad_to_arg_alignment): Rework comment about
4434         SPARC_STACK_BOUNDARY_HACK.
4435         * config/sparc/sparc.h: Likewise.
4436
4437 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4438
4439         * config/s390/s390.c (s390_expand_insv): New.
4440         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4441         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4442         ("icm_hi"): Remove mode attribute.
4443         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4444         Adjust all uses.
4445         ("*extracthi", "*extractqi"): Remove.
4446         (extv<mode>", "*extzv<mode>"): New.
4447         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4448         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4449
4450 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4451
4452         * cfgexpand.c (discover_nonconstant_array_refs_r,
4453         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4454         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4455         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4456         discover_nonconstant_array_refs.
4457
4458 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4459
4460         PR c/23228
4461         * c-decl.c (pop_scope): Don't warn about an unused variable
4462         if it is marked with TREE_NO_WARNING.
4463         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4464         somenow mismatch and olddecl is to be replaced.
4465
4466 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4467
4468         PR middle-end/23199
4469         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4470         whether registers live on the edge can be saved/restored.
4471
4472 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4473
4474         * config/sh/sh.c (fixup_mova): Skip notes.
4475
4476 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4477
4478         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4479         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4480         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4481         (s390_initial_elimination_offset): Likewise.
4482         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4483         register on TARGET_ZARCH targets.
4484         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4485         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4486         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4487         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4488
4489 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4490
4491         * config/s390/s390.md: Comment describing output modifiers updated.
4492         * config/s390/s390.c (print_operand): Likewise.
4493
4494 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4495
4496         * config/s390/s390.c (override_options): Added check for -mstack-size
4497         64k limitation.
4498         * doc/invoke.texi: Mention that limit in the documenation.
4499
4500 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4501
4502         PR #19672
4503         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4504
4505 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4506
4507         Fix PR tree-optimization/24231
4508
4509         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4510         (compute_avail): Ditto.
4511
4512 2005-10-18  Richard Henderson  <rth@redhat.com>
4513
4514         PR target/24428
4515         * config/i386/i386.c (legitimate_constant_p): Check
4516         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4517         if LABEL_REF.
4518         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4519         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4520         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4521         directly.
4522         (print_operand_address): Likewise.
4523         * config/i386/predicates.md (x86_64_immediate_operand): Test
4524         SYMBOL_REF_TLS_MODEL properly inside CONST.
4525         (x86_64_zext_immediate_operand): Likewise.
4526         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4527         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4528         * config/i386/i386-protos.h: Remove predicates.md entries.
4529
4530 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4531
4532         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4533         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4534
4535 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4536             Ian Lance Taylor <ian@airs.com>
4537
4538         PR middle-end/23522
4539         * fold-const.c (fold_widened_comparison): Do not allow range based
4540         constant folding when right operand cannot be unwidened.
4541
4542 2005-10-17  Richard Henderson  <rth@redhat.com>
4543
4544         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4545         with a memory clobber.
4546
4547 2005-10-17  James E Wilson  <wilson@specifix.com>
4548
4549         PR rtl-optimization/17356
4550         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4551         checking for EDGE_EH.
4552
4553 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4554
4555         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4556         the slot on an even boundary for any type with 16-byte alignment.
4557
4558 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4559
4560         PR target/23424
4561         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4562         after register allocation.
4563
4564 2005-10-17  DJ Delorie  <dj@redhat.com>
4565
4566         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4567         as frame related.
4568
4569 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4570
4571         PR c++/22551
4572         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4573         overflow flags.
4574
4575 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4576
4577         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4578         to 2 if it's already non-zero.
4579         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4580         is set and warn about it if flag_schedule_insns is 1.
4581
4582 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4583
4584         * config/crx/crx.md: Compare-and-branch instructions need to
4585         invalidate CC.
4586
4587 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4588
4589         PR target/24315
4590         * config/i386/i386.md (*pushdi2_rex64 splitter)
4591         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4592         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4593         flow2 pass only when (optimize > 0 && flag_peephole2).
4594
4595 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4596
4597         PR driver/22544
4598         * gcc.c (have_c): New static variable.
4599         (have_o): Likewise.
4600         (process_command): Remove declation of have_c.
4601         Set have_o to 1 when handling -o.
4602         (main): Add a fatel error if there are multiple
4603         files specified and -o and -c/-S is passed witout
4604         -combine or multiple languages.
4605
4606 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4607
4608         Fix PR tree-optimization/22444
4609         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4610         Assert that we don't hit something with subvars.
4611         (setup_pointers_and_addressables): Don't add things with subvars,
4612         because we'll already process the subvars for aliasing purposes.
4613
4614 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4615
4616         PR target/23424
4617         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4618         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4619         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4620         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4621         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4622         swapped, alternatives for the R constraint.
4623
4624         PR middle-end/24341
4625         * builtins.c (get_builtin_sync_mode): Make unlimited
4626         mode_for_size request.
4627
4628 2005-10-15  Richard Henderson  <rth@redhat.com>
4629
4630         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4631         (gimplify_expr): ... here.
4632         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4633         fb_lvalue in base expression.
4634
4635 2005-10-15  Richard Henderson  <rth@redhat.com>
4636
4637         PR 23714
4638         * builtins.c (expand_builtin_trap): Export.
4639         * expr.h (expand_builtin_trap): Declare.
4640         * expr.c (expand_assignment): Emit a trap for integral offsets
4641         from registers that weren't reduced to bitpos.
4642
4643         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4644         (mark_array_ref_addressable): Remove.
4645         * tree-flow.h (mark_array_ref_addressable): Remove.
4646         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4647
4648 2005-10-15  James E Wilson  <wilson@specifix.com>
4649
4650         PR target/24232
4651         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4652         (add_dependence_list_and_free): Likewise.
4653         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4654         call.
4655
4656 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4657
4658         PR 23141
4659         PR 23142
4660         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4661         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4662         anti-range.
4663         (vrp_visit_phi_node): Only prevent infinite iterations when
4664         the previous result and the new result are both VR_RANGEs.
4665
4666 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4667
4668         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4669         function comment.
4670
4671 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4672
4673         PR c/23439
4674         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4675         to initialize loc.
4676
4677 2005-10-14  Per Bothner  <per@bothner.com>
4678
4679         PR preprocessor/21250
4680         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4681
4682 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4683
4684         PR c++/22551
4685         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4686         overflow flags.  Refactor some conditionals.
4687
4688 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4689
4690         PR tree-opt/21304
4691         * tree-dfa.c (add_referenced_var): Only look at decls which
4692         have TREE_CONSTANT or TREE_READONLY set instead of if
4693         !TREE_PUBLIC or !TREE_CONSTANT.
4694
4695 2005-10-13  James E Wilson  <wilson@specifix.com>
4696
4697         * doc/invoke.texi: For -x, add f95-cpp-input.
4698         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4699
4700 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4701
4702         PR tree-optimization/24262
4703         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4704         in loop all the time.
4705
4706 2005-10-12  Richard Henderson  <rth@redhat.com>
4707
4708         PR c/24255
4709         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4710         * function.c (assign_parm_find_data_types): Don't support it.
4711         * print-tree.c (print_node): Likewise.
4712         * c-common.c (handle_transparent_union_attribute): Likewise.
4713         Use build_duplicate_type.
4714         * tree-inline.c (remap_type_1): Split out of remap_type;
4715         properly remap aggregate fields.
4716         (build_duplicate_type): New.
4717         * doc/extend.texi (Variable Attributes): Remove documentation
4718         for transparent_union.
4719
4720 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4721
4722         PR target/24284
4723         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4724         (gen_stack_pointer_dec): Likewise.
4725
4726 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4727
4728         PR middle-end/21275
4729         PR middle-end/21766
4730         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4731         target hook.
4732         (struct cxx): Add adjust_class_at_definition target hook.
4733         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4734         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4735         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4736         hook_void_tree. Add to TARGET_CXX.
4737         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4738         dllimport_flag.
4739         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4740         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4741         instead of attribute. Check for dllexport override.  Warn if
4742         inconsistent dll linkage. Don't lose old dllimport if decl has
4743         had address referenced.   Tweak lookup of dllimport atribute.
4744         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4745         for target specific rules.  Don't add dllimport attribute if
4746         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4747         dllimport attribute.
4748         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4749         * varasm.c (initializer_constant_valid_p): Replace
4750         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4751
4752         PR target/21801
4753         PR target/23589
4754         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4755         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4756         (i[34567]86-*-mingw32*): Likewise.
4757
4758         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4759         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4760
4761         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4762         C++-specific code. Change return value to bool.
4763         (i386_pe_dllimport_p): Likewise.
4764         (associated_type): Simplify and make language-independent
4765         (i386_pe_encode_section_info): Replace override of ambiguous
4766         dllimport symbol refs with a gcc_assert.
4767         (i386_pe_valid_dllimport_attribute_p): Define.
4768         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4769         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4770         i386_pe_adjust_class_at_definition.
4771         * config/i386/winnt-stubs.c: New file. Define stub versions of
4772         lang-specific functions.
4773         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4774         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4775         i386_pe_adjust_class_at_definition.
4776         (i386_pe_valid_dllimport_attribute_p): Declare.
4777         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4778         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4779         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4780
4781         PR target/19704
4782         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4783         dllimport attribute with test of DECL_DLLIMPORT_P.
4784
4785 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4786
4787         * combine.c (make_extraction): Correct offset computation.
4788
4789 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4790
4791         * config/cris/t-linux (LIMITS_H_TEST): Define.
4792
4793 2005-10-12  Richard Henderson  <rth@redhat.com>
4794
4795         PR rtl-opt/23324
4796         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4797
4798 2005-10-12  Richard Guenther  <rguenther@suse.de>
4799
4800         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4801
4802 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4803
4804         PR c++/19964
4805         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4806         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4807         type.
4808
4809 2005-10-12  Richard Guenther  <rguenther@suse.de>
4810
4811         PR c++/23799
4812         * varasm.c (output_constant): Correct typo from previous
4813         patch by DJ.
4814
4815 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4816
4817         PR rtl-optimization/13931
4818         * combine.c: Revert patch of 2003-05-14, and:
4819         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4820         completely killed in the appropriate insn.
4821         (distribute_notes): Don't skip multiple hard register test for
4822         elim_i1 and elim_i2.
4823
4824 2005-10-11  Richard Henderson  <rth@redhat.com>
4825
4826         PR c/24255
4827         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4828         to initialize a transparent union instead of a nop_expr.
4829
4830 2005-10-11  Richard Henderson  <rth@redhat.com>
4831
4832         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4833         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4834         (tree_ssa_dce_loop): Call scev_reset.
4835
4836         PR tree-opt/24300
4837         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4838         * tree-ssa-dce.c: Include cfgloop.h.
4839         (tree_ssa_dce_loop, pass_dce_loop): New.
4840         * tree-pass.h (pass_dce_loop): Declare it.
4841         * passes.c (init_optimization_passes): Use it.
4842
4843 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4844
4845         PR middle-end/24263
4846         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4847         Only apply the optimization for rounding builtins if the inner
4848         cast is also an extension.
4849
4850 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4851
4852         PR tree-opt/23946
4853         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4854         mark_new_vars_to_rename instead of update_stmt.
4855
4856 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4857
4858         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4859
4860 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4861
4862         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4863         for setting MMX register to 0 rather than mmx.
4864
4865 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4866
4867         PR target/12098
4868         * configure.ac: Move gas check from mips specific case to common case.
4869         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4870         * configure: Regenerate
4871         * doc/install.texi: Update.
4872
4873 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4874
4875         PR target/24284
4876         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4877
4878 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4879
4880         * gcc.c (do_spec_1): Accept numeric characters in file name
4881         suffixes.
4882
4883 2005-10-10  Nick Clifton  <nickc@redhat.com>
4884
4885         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4886         describing the deleted arm_gen_rotated_half_load function.
4887
4888 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4889
4890         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4891         __fpscr_values.
4892
4893 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4894
4895         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4896         gnu_ld assignments.
4897         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4898         (EXTRA_MULTILIB_PARTS): Define.
4899         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4900         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4901         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4902         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4903         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4904         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4905
4906 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4907
4908         PR tree-optimization/24226
4909         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4910         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4911         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4912         Export.
4913
4914 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4915
4916         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4917
4918 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4919
4920         PR target/24136
4921         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4922         Rewrite for no need for the early clobber.
4923
4924 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4925
4926         Merge from csl-arm-branch:
4927         2005-09-07  Paul Brook  <paul@codesourcery.com>
4928         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4929         space to string.
4930
4931         2005-04-30  Paul Brook  <paul@codesourcery.com>
4932         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4933         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4934
4935         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4936         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4937         (arm_override_options): Use TARGET_AAPCS_BASED.
4938         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4939         (PTRDIFF_TYPE): Use int for AAPCS.
4940         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4941         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4942         (DEFAULT_SHORT_ENUMS): Delete.
4943         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4944
4945         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4946         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4947         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4948         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4949
4950         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4951         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4952
4953         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4954         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4955
4956         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4957         * config.gcc (arm*-*-linux-gnueabi): Add it.
4958         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4959         redefining it.
4960         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4961         * config/arm/linux-eabi.h: New file.
4962         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4963         (LINUX_TARET_LINK_SPEC): Likewise.
4964         (LINK_SPEC): Use it.
4965         * config/arm/t-linux-eabi: New file.
4966
4967 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4968
4969         PR other/22202
4970         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4971         spaces.
4972         (PARAM_SMS_DFA_HISTORY): Likewise.
4973
4974 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4975
4976         PR middle-end/23150
4977         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4978         (load_register_parameters): Call it.
4979         (check_sibcall_argument_overlap_1): Likewise.
4980         (store_one_arg): Likewise.
4981
4982 2005-10-07  James E. Wilson  <wilson@specifix.com>
4983
4984         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4985         DImode not VECINT24 for operand 2.
4986
4987         PR target/23644
4988         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4989         -mtune-arch.
4990
4991         PR target/24193
4992         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4993         fr_spill): Use destination_operand for operand 0.
4994
4995 2005-10-07  DJ Delorie  <dj@redhat.com>
4996
4997         * varasm.c (output_constant): Limit error to expanding
4998         conversions.
4999
5000 2005-10-07  Richard Guenther  <rguenther@suse.de>
5001
5002         PR middle-end/24227
5003         * fold-const.c (fold_binary): Fix operand types during folding
5004         of X op (A, Y).  Evaluation order of the side-effects of
5005         X and A are frontend-defined, so ensure we honour that even for
5006         tcc_comparison class operands; eased by removing duplicate code.
5007
5008 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5009
5010         * stor-layout.c (layout_type): Do not allow alignment of array
5011         elements to be greater than their size.
5012
5013 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5014
5015         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5016         host_xmake_file.
5017         (hppa*-*-linux*): Ditto.
5018         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5019         * config/host-hpux.c: New.
5020         * config/x-hpux: New.
5021         * config/pa/x-hpux: Remove.
5022         * config/pa/x-linux: Remove.
5023         * config/pa/pa-host.c: Remove.
5024
5025 2005-10-07  Jeff Law  <law@redhat.com>
5026
5027         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5028         determine whether or not to try and thread outgoing edges.
5029
5030 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5031
5032         * config/rs6000/rs6000.md (eqsi_power): New.
5033         (neg_eq0si): Add TARGET_POWER to final condition.
5034         (neg_eqsi): Same.
5035
5036 2005-10-06  Richard Henderson  <rth@redhat.com>
5037
5038         * config/rs6000/rs6000.c: Revert last change.
5039
5040 2005-10-06  Richard Henderson  <rth@redhat.com>
5041
5042         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5043         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5044
5045 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5046
5047         PR middle-end/22216
5048         PR middle-end/23651
5049         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5050         out return_label and naked_return_label.
5051
5052 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5053
5054         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5055         change.
5056
5057 2005-10-06  Richard Henderson  <rth@redhat.com>
5058
5059         PR tree-opt/22237
5060         * tree-inline.c (declare_return_variable): Handle modify_dest not
5061         being a DECL.
5062
5063 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5064
5065         Fix PR tree-optimization/22488
5066         * tree-ssa-structalias.c (check_for_overlaps): New function.
5067         (create_variable_info_for): Use it.
5068
5069 2005-10-06  Richard Henderson  <rth@redhat.com>
5070
5071         PR debug/24070
5072         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5073         (dwarf2out_start_source_file): Print it.
5074
5075 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5076
5077         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5078
5079 2005-10-06  Richard Henderson  <rth@redhat.com>
5080
5081         PR 23706
5082         * mode-switching.c (optimize_mode_switching): Clear transp bit
5083         for block with incomming abnormal edges.
5084
5085         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5086         (fpscr_set_from_mem): Use them.
5087         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5088         (fpscr postinc splitters): Rewrite as peephole2+split.
5089
5090 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5091
5092         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5093         (eq<mode>_compare): Same.
5094
5095 2005-10-06  Richard Guenther  <rguenther@suse.de>
5096
5097         PR tree-optimization/24238
5098         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5099
5100 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5101
5102         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5103         here.  Use AC_PATH_PROG for environment variables instead of
5104         test -x.
5105         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5106         objdump also.
5107         * configure: Regenerated.
5108
5109 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5110
5111         PR target/23783
5112         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5113         then force it into a register.
5114         (call_value): Likewise.
5115
5116 2005-10-06  Richard Henderson  <rth@redhat.com>
5117
5118         PR 24049
5119         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5120         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5121         under pass_vectorize.
5122
5123 2005-10-05  Devang Patel  <dpatel@apple.com>
5124
5125         PR Debug/23205
5126         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5127         handling constants. Check NAMESPACE_DECL context for constants.
5128
5129 2005-10-05  Eric Christopher  <echristo@apple.com>
5130
5131         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5132
5133 2005-10-05  Richard Henderson  <rth@redhat.com>
5134
5135         PR 23714
5136         * tree-cfg.c (mark_array_ref_addressable_1): New.
5137         (mark_array_ref_addressable): New.
5138         * tree-flow.h (mark_array_ref_addressable): Declare.
5139         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5140
5141 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5142
5143         PR middle-end/20606
5144         PR middle-end/24069
5145         * reload.c (subst_reloads): When adding a REG_LABEL to a
5146         jump instruction, also update JUMP_LABEL.
5147
5148 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5149
5150         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5151         * bb-reorder.c (copy_bb_p): Use it.
5152         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5153
5154 2005-10-05  Richard Henderson  <rth@redhat.com>
5155
5156         PR target/23602
5157         * toplev.c (process_options): Warn about unsupported combinations
5158         of unwind tables and omit-frame-pointer.
5159         * config/i386/i386.c (override_options): Similarly.  Enable
5160         accumulate-outgoing-args if not explicitly disabled.
5161
5162 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5163
5164         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5165         Handle big endian vs. small endian.
5166         (vec_initv2sf): Handle big endian vs. small endian.
5167         (*vec_extractv2sf_1): Ditto.
5168
5169 2005-10-05  Dale Johannesen  <dalej@apple.com>
5170
5171         * convert.c (convert_to_real):  Don't convert
5172         (float)floor(double d) to floorf((float)d).
5173
5174 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5175
5176         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5177
5178 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5179
5180         PR tree-optimization/18587
5181         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5182         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5183         build_vuses): Change to VEC type.
5184         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5185         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5186         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5187         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5188         (get_name_decl): New.  Return DECL_UID of base variable.
5189         (operand_build_cmp): New.  qsort comparison routine.
5190         (operand_build_sort_virtual): New.  Sort virtual build vector.
5191         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5192         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5193         (FINALIZE_BASE): Use get_name_decl.
5194         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5195         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5196         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5197         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5198         direct VEC_* manipulations.
5199         (build_ssa_operands): Call operand_build_sort_virtual.
5200         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5201         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5202         with direct VEC_* manipulations.
5203         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5204         with direct VEC manipulations.
5205
5206 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5207
5208         PR tree-optimization/21419
5209         PR tree-optimization/24146
5210         PR tree-optimization/24151
5211
5212         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5213         (build_asm_expr): Call it if outputs are read-only.
5214         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5215
5216 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5217             Paolo Bonzini  <bonzini@gnu.org>
5218
5219         PR target/23809
5220
5221         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5222         enable the instructions and not just the built-ins.
5223         * doc/invoke.texi (x86 Options): Likewise.
5224
5225 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5226
5227         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5228
5229         * doc/invoke.texi (Option Summary): Correct spelling
5230         of -mmacosx-version-min.
5231
5232 2005-10-04  Devang Patel  <dpatel@apple.com>
5233
5234         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5235         real types.
5236
5237 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5238
5239         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5240         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5241
5242 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5243
5244         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5245         ("TE","tg"): New mode attributes.
5246         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5247         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5248         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5249         dword_mode and one for GPRmode.
5250
5251 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5252
5253         PR preprocessor/13726
5254         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5255         any comments passed in.
5256
5257 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5258
5259         * tree.c (annotate_with_file_line): Fix typo.
5260
5261 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5262
5263         PR ada/19382
5264         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5265         type used to access data in the inlined length == 1 case, use
5266         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5267         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5268
5269 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5270
5271         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5272         TARGET_SSE3 and only for TARGET_80387.
5273         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5274         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5275         Do not depend on TARGET_80387.
5276
5277 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5278
5279         * tree.c (last_annotated_node): Change type to location_t*.
5280         (annotate_with_file_line): Reflect the change of
5281         last_annotated_node type.
5282
5283 2005-10-04  Richard Guenther  <rguenther@suse.de>
5284
5285         PR c/23576
5286         * c-decl.c (grokdeclarator): Don't write to fields
5287         of error_mark_node.
5288
5289 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5290
5291         PR middle-end/23125
5292         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5293         register variables.
5294         * varasm.c (make_decl_rtl): If a register variable does not
5295         have a set user assmbler name, error out.
5296         Decode the asmspec is now name+1 bypassing '*'.
5297
5298 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5299
5300         PR tree-optimization/23049
5301         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5302         of a COND_EXPR is folded before calling fold on the whole rhs of a
5303         conditional assignment.
5304         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5305         document that a COND_EXPR may appear there.
5306
5307 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5308
5309         PR 23445
5310         * tree-vrp.c (extract_range_from_assert): If the new numeric
5311         range created out of the assertion contradicts the existing
5312         numeric range of the ASSERT_EXPR variable, make the new range
5313         varying.
5314
5315 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5316
5317         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5318         from T_REGS to FP register class.
5319
5320 2005-10-03  Richard Henderson  <rth@redhat.com>
5321
5322         PR 24135
5323         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5324         before creating a new one.
5325
5326 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5327
5328         * config/rs6000/t-aix43 (LDFLAGS): New.
5329         * config/rs6000/t-aix52 (LDFLAGS): New.
5330
5331 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5332
5333         * gimplify.c (find_single_pointer_decl_1): New static function.
5334         (find_single_pointer_decl): New static function.
5335         (internal_get_tmp_var): For a formal variable, set restrict base
5336         information if appropriate.
5337         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5338         return it.
5339         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5340         (DECL_GET_RESTRICT_BASE): Define.
5341         (SET_DECL_RESTRICT_BASE): Define.
5342         (decl_restrict_base_lookup): Declare.
5343         (decl_restrict_base_insert): Declare.
5344         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5345         * tree.c (restrict_base_for_decl): New static variable.
5346         (init_ttree): Initialize restrict_base_for_decl.
5347         (copy_node_stat): Copy restrict base information.
5348         (decl_restrict_base_lookup): New function.
5349         (decl_restrict_base_insert): New function.
5350         (print_restrict_base_statistics): New static function.
5351         (dump_tree_statistics): Call print_restrict_base_statistics.
5352
5353 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5354
5355         PR 24142
5356         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5357         case of anti-ranges.
5358
5359 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5360
5361         PR c/18851
5362         * c-typeck.c (tagged_tu_seen): Rename to ...
5363         (tagged_tu_seen_cache): this and add val field.
5364         (comptypes): Move functional to comptypes_internal
5365         and free tagged_tu_seen.
5366         (comptypes_internal): New function and call comptypes_internal
5367         instead of comptypes. Speed up by sibcalling
5368         tagged_types_tu_compatible_p.
5369         (alloc_tagged_tu_seen): New function
5370         (free_all_tagged_tu_seen_up_to): New function.
5371         (tagged_types_tu_compatible_p): Return the val of the seen two
5372         types.
5373         Add that the two types are the same to tagged_tu_seen_base
5374         if they are and call comptypes_internal instead of comptypes.
5375         <case UNION_TYPE>: Speed up common type where the fields are
5376         in the same order.
5377         (function_types_compatible_p): Call comptypes_internal instead of
5378         comptypes.
5379         (type_lists_compatible_p): Likewise.
5380         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5381
5382 2005-10-02  Matthias Klose  <doko@debian.org>
5383
5384         * doc/invoke.texi: Fix typo and speling error.
5385
5386 2005-10-01  Richard Henderson  <rth@redhat.com>
5387
5388         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5389
5390 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5391
5392         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5393         using --start-group and --end-group.
5394
5395 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5396
5397         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5398         FIXME note regarding quirky semantics.
5399
5400 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5401
5402         PR 24141
5403         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5404         non-null range as a last resort.
5405
5406 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5407             Diego Novillo  <dnovillo@redhat.com>
5408
5409         PR 23604
5410         * tree-vrp.c (extract_range_from_assert): For !=
5411         assertions, only build an anti-range if LIMIT is a
5412         single-valued range.
5413
5414 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5415
5416         * arm.md (movqi): On thumb when optimizing, handle loading from
5417         memory by describing this as taking a subreg of a zero-extended load
5418         into an SImode register.
5419         (movhi): Likewise.
5420
5421 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5422
5423         * reload1.c (merge_assigned_reloads): Do not change any
5424         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5425
5426 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5427
5428         * Makefile.in (LIPO_FOR_TARGET): Define.
5429         (STRIP_FOR_TARGET): Define.
5430
5431         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5432         before creating new ones.  Do symlinks before creating the actual
5433         targets.
5434
5435         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5436         to work out which multilibs are actually being built.
5437
5438 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5439
5440         * tree-vect-transform.c, config/ms1/ms1.md,
5441         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5442         Follow spelling conventions.
5443         * doc/invoke.texi, doc/md.texi: Fix typos.
5444
5445 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5446
5447         PR tree-optimization/21430
5448         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5449         use operands, and set stmt pointer if need be.
5450         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5451         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5452         present.
5453
5454 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5455
5456         PR middle-end/24053
5457         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5458
5459 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5460
5461         * optabs.c (expand_binop): Initialize first_pass_p.
5462
5463 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5464
5465         PR middle-end/24109
5466         * c-decl.c (c_write_global_declarations_1): If any
5467         wrapup_global_declaration_2 call returned true, restart the loop.
5468
5469 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5470
5471         Fix PR tree-optimization/24117
5472         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5473         before considering whether to use anyoffset.
5474
5475 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5476
5477         Revert this patch:
5478
5479         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5480
5481         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5482         to order operands.
5483         (swap_commutative_operands_with_target): New.
5484
5485 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5486
5487         PR c/21419
5488         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5489         read-only.
5490
5491 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5492
5493         PR tree-optimization/23911
5494         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5495         and IMAGPART_EXPR too.
5496
5497 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5498
5499         PR 17886
5500         * expmed.c (expand_shift): Move logic to reverse rotation
5501         direction when  rotating by constants ...
5502         * optabs.c (expand_binop): ... here.
5503         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5504         (ix86_rotrdi3): New pattern.
5505         (rotldi3): Handle 32-bit mode.
5506         (ix86_rotldi3): New pattern.
5507
5508 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5509
5510         PR target/24102
5511         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5512         check for numbers that need no bit twiddle.
5513
5514 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5515
5516         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5517         multilib to be built.
5518
5519         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5520         (stage1-start): Delete old libgcc and libunwind before moving
5521         anything into the stage directory.
5522         (stage2-start): Likewise.
5523         (stage3-start): Likewise.
5524         (stage4-start): Likewise.
5525         (stageprofile-start): Likewise.
5526         (stagefeedback-start): Likewise.
5527         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5528         header in tm_file and CPU-specific t-darwin in tmake_file.
5529         (i[34567]86-*-darwin*): Don't change tm_file.
5530         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5531         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5532         shared library stub for target OS version.
5533         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5534         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5535         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5536         (libgcc_s.%.dylib): New.
5537         (LIBGCC): Define.
5538         (install-darwin-libgcc-stubs): New.
5539         (INSTALL_LIBGCC): New append.
5540         * config/i386/darwin-libgcc.10.4.ver: New.
5541         * config/i386/darwin-libgcc.10.5.ver: New.
5542         * config/i386/t-darwin: New.
5543         * config/rs6000/darwin-libgcc.10.4.ver: New.
5544         * config/rs6000/darwin-libgcc.10.5.ver: New.
5545         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5546         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5547
5548 2005-09-28  Paul Brook  <paul@codesourcery.com>
5549
5550         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5551         denormals.
5552
5553 2005-09-28  Richard Guenther  <rguenther@suse.de>
5554
5555         PR tree-optimization/23853
5556         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5557         host_integerp to verify misalignment value.
5558
5559 2005-09-28  Richard Henderson  <rth@redhat.com>
5560
5561         * builtins.c (get_builtin_sync_mode): New.
5562         (expand_builtin_sync_operation): Pass in mode argument.
5563         (expand_builtin_compare_and_swap): Likewise.
5564         (expand_builtin_lock_test_and_set): Likewise.
5565         (expand_builtin_lock_release): Likewise.
5566         (expand_builtin): Update to match.
5567
5568 2005-09-28  Nick Clifton  <nickc@redhat.com>
5569
5570         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5571         formatting.  Add check to PLUS case to ensure that the offset is
5572         within an acceptable range.
5573
5574         * config/v850/v850.md (casesi): Disable the generation of the
5575         switch pattern as it is not being handled properly at the moment.
5576
5577         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5578         for when the high words are identical.
5579
5580 2005-09-27  Richard Henderson  <rth@redhat.com>
5581
5582         * pretty-print.c (pp_base_format): Fix typo for %>.
5583
5584 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5585             Devang Patel  <dpatel@apple.com>
5586
5587         PR tree-optimization/23625
5588         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5589         LABEL_EXPR, assertion check.
5590
5591 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5592
5593         * optabs.c (no_conflict_move_test): Check if a result of a
5594         to-be-moved insn would be clobbered by an originally
5595         preceding insn.
5596
5597 2005-09-27  Jeff Law  <law@redhat.com>
5598
5599         * passes.c (init_optimization_passes): Replace copy propagation
5600         passes immediately after DOM with phi-only copy propagation
5601         pases.  Add phi-only copy propagation pass after first DOM pass.
5602         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5603         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5604         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5605         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5606         to init_copy_prop.  Callers updated.
5607         (do_phi_only_copy_prop): New function.
5608         (pass_phi_only_copy_prop): New pass descriptor.
5609
5610 2005-09-27  Nick Clifton  <nickc@redhat.com>
5611
5612         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5613
5614 2005-09-26  Jason Merrill  <jason@redhat.com>
5615
5616         PR c++/13764
5617         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5618
5619         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5620
5621 2005-09-26  James E Wilson  <wilson@specifix.com>
5622
5623         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5624         copyright.  Add gcc copyright plus libgcc exception.
5625         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5626         copyright.
5627         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5628
5629 2005-09-26  Jeff Law  <law@redhat.com>
5630
5631         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5632         about when to iterate.
5633
5634 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5635
5636         PR target/23847
5637         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5638         for __complex__ double in -mcpu=G5 mode.
5639
5640 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5641
5642         PR tree-optimization/23942
5643         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5644         * tree-scalar-evolution.c: Include params.h.
5645         (t_bool): New enum.
5646         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5647         follow_ssa_edge_in_condition_phi_branch,
5648         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5649         Change return type to t_bool.  Use a parameter to limit the size of
5650         trees that are walked before stopping
5651         (analyze_evolution_in_loop): Initialize the limit to 0.
5652         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5653         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5654
5655 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5656
5657         PR middle-end/23831
5658         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5659         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5660
5661 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5662
5663         * combine.c (make_extraction): Check for valid use of subreg.
5664
5665 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5666
5667         PR target/24055
5668         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5669         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5670         ("fist<mode>2_with_temp"): Use only register operands.
5671
5672 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5673
5674         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5675         CALL_INSN_FUNCTION_USAGE.
5676
5677 2005-09-26  Richard Guenther  <rguenther@suse.de>
5678
5679         PR middle-end/15855
5680         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5681         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5682         (ldst_entry): Use the hashtable instead of list-walking.
5683         (find_rtx_in_ldst): Likewise.
5684         (free_ldst_entry): Free the hashtable.
5685         (compute_ld_motion_mems): Create the hashtable.
5686         (trim_ld_motion_mems): Remove entry from hashtable if
5687         removing it from list.
5688         (compute_store_table): Likewise^2.
5689         (store_motion): Free hashtable in case we did not see
5690         any stores.
5691
5692 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5693
5694         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5695         and arg1 if we are passing them to fold_build2.
5696
5697 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5698
5699         PR 23828
5700         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5701         a nested function.
5702
5703 2005-09-25  Richard Henderson  <rth@redhat.com>
5704
5705         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5706         SYMBOL_REF_TLS_MODEL to be correct.
5707
5708 2005-09-24  Richard Henderson  <rth@redhat.com>
5709
5710         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5711         end of function.  Reindent.
5712
5713 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5714
5715         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5716         NEGATE_EXPR/BIT_NOT_EXPR case.
5717
5718 2005-09-24  Richard Henderson  <rth@redhat.com>
5719
5720         * c-common.c (handle_mode_attribute): When not modifying in place,
5721         create subtypes for enumerations.
5722         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5723         * gimplify.c (create_tmp_from_val): Likewise.
5724
5725 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5726
5727         * config/i386/i386.md (*tls_global_dynamic_64,
5728         *tls_local_dynamic_base_64): Add missing mode to call.
5729         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5730
5731 2005-09-24  Jan Hubicka  <jh@suse.cz>
5732
5733         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5734         (cgraph_clone_node): Likewise.
5735         * cgraph.h (cgraph_clone_edge): Update prototype.
5736         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5737         duplicated prototypes; add updating argument.
5738         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5739         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5740         updating profile.
5741         (cgraph_mark_inline_edge): Likewise.
5742         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5743         (cgraph_flatten_node): Likewise.
5744         (cgraph_decide_recursive_inlining): Likewise.
5745         (cgraph_decide_inlining_of_small_function): Likewise.
5746         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5747
5748 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5749             Pete Steinmetz <steinmtz@us.ibm.com>
5750
5751         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5752         (rldic.): Set type to "compare".
5753         (rldicr.): Same.
5754         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5755         mfjmpr for MFCTR/MFLR.
5756         (movdf_hardfloat64): Same.
5757         (movdf_softfloat64): Same.  Correct order of store and move types.
5758         (movti_string): Set type to store_ux/load_ux.
5759         (load_multiple): Set type to load_ux.
5760         (store_multiple): Set type to store_ux.
5761         (movmemsi): Set type to store_ux.
5762         (output_cbranch direct_return): Set type to jmpreg.
5763         (stmw): Set type to store_ux.
5764         (lmw): Set type to load_ux.
5765         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5766         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5767         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5768         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5769         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5770         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5771         (rios1-fpstore): Increase latency to 3.
5772         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5773         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5774
5775 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5776             Andrew Pinski  <pinskia@physics.uc.edu>
5777
5778         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5779         operand2 constraint to "b".
5780         (sync_<fetchop_name>di_internal): Same.
5781         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5782         to "b".
5783         (sync_old_<fetchop_name>di_internal): Same.
5784         (sync_new_<fetchop_name>si_internal): Same.
5785         (sync_new_<fetchop_name>di_internal): Same.
5786
5787 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5788
5789         PR middle-end/23991
5790         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5791         case, define as macros.
5792
5793         PR rtl-optimization/23837
5794         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5795         clobber / clobber match between dest and p->first.
5796
5797         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5798         (no_conflict_move_test): Update comments.
5799
5800 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5801
5802         * doc/install.texi: Update URL for Jacks.
5803         * doc/sourcebuild.texi: Likewise.
5804
5805 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5806
5807         PR target/24007
5808         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5809         registers when choosing register preferences.
5810         (movdf_hardfloat64): Same.
5811
5812 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5813
5814         * expmed.c (expand_shift): Don't use the target of the rotate as
5815         target for the first expanded shift insn.
5816         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5817
5818 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5819
5820         PR tree-optimization/22438
5821         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5822         preserved iv rhs rewriting specially.
5823
5824 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5825
5826         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5827         estimate_only  is true.
5828         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5829         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5830         tree-ssa-structalias.c
5831         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5832         ref_contains_indirect_ref.
5833         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5834
5835 2005-09-21  DJ Delorie  <dj@redhat.com>
5836
5837         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5838         MASK_PTR_A0D0.
5839         (mn10300_return_in_memory): Support variable size types also.
5840         (mn10300_pass_by_reference): Likewise.
5841         (mn10300_function_value): New.
5842         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5843         (FUNCTION_OUTGOING_VALUE): Likewise.
5844         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5845         * doc/invoke.texi: Document it.
5846
5847 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5848
5849         PR target/22585
5850         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5851         force integer op1 into register for XFmode compares.
5852
5853 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5854
5855         PR middle-end/23971
5856         * expmed.c (alg_code): Add alg_impossible.
5857         (alg_hash_entry): Add cost.
5858         (synth_mult): Record alg_impossible in the hash table if
5859         multiplication by a given integer is impossble within the
5860         limit.  Speed up using alg_impossible.
5861
5862 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5863
5864         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5865         argument.  Allow and set any offset if needs_anyoffset is passed
5866         in.
5867         (get_constraint_for): Add argument here too.
5868         Pass it down.
5869         (do_structure_copy): Pass NULL to get_constraint_for.
5870         (handle_ptr_arith): Ditto.
5871         (find_func_aliases): Ditto.
5872
5873 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5874
5875         PR rtl-optimization/23898
5876         * output.h (get_attr_min_length): Declare.
5877         * final.c (get_attr_length_1): New function, broken out of:
5878         (get_attr_length).
5879         (get_attr_min_length): New function.
5880         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5881         (duplicate_computed_gotos): Likewise.
5882         * genattr.c (insn_min_length): Generate declaration.
5883         * genattrtab.c (min_fn, min_attr_value): New functions.
5884         (make_length_attrs): Generate insn_min_length.
5885
5886 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5887
5888         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5889
5890 2005-09-20  Richard Henderson  <rth@redhat.com>
5891
5892         PR tree-optimization/24059
5893         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5894         EXPAND_STACK_PARM.
5895
5896 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5897
5898         * c.opt (fextended-identifiers): New.
5899         * c-opts.c (c_common_handle_option): Handle
5900         -fextended-identifiers.
5901         * doc/cpp.texi: Update documentation of extended identifiers.
5902         * doc/cppopts.texi (-fextended-identifiers): Document.
5903
5904 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5905
5906         PR tree-optimization/23929
5907         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5908         if expr is NULL.
5909
5910         PR tree-optimization/23818
5911         * tree-stdarg.c (execute_optimize_stdarg): Call
5912         calculate_dominance_info.
5913
5914 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5915
5916         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5917         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5918         (compute_overlap_steps_for_affine_1_2): Use
5919         get_number_of_iters_for_loop.
5920         (analyze_subscript_affine_affine): Check whether difference is
5921         zero first.
5922         Use get_number_of_iters_for_loop.
5923         Check whether overlap occurs outside of bounds.
5924         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5925
5926 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5927
5928         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5929         base register if possible.
5930
5931 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5932
5933         PR tree-optimization/18463
5934         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5935         converting it directly is not possible.
5936         (chrec_convert_aggressive): New function.
5937         * tree-chrec.h (chrec_convert_aggressive): Declare.
5938         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5939         Fold chrec conversions aggressively if asked to.
5940         (instantiate_parameters): Modified because of changes in
5941         instantiate_parameters_1.
5942
5943 2005-09-19  Richard Henderson  <rth@redhat.com>
5944
5945         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5946         (reduc_splus_v2df): New.
5947
5948 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5949
5950         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5951         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5952
5953 2005-09-19  Richard Henderson  <rth@redhat.com>
5954
5955         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5956         vcondu<SSEMODE12>.
5957
5958 2005-09-19  Richard Henderson  <rth@redhat.com>
5959
5960         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5961         (ia64_expand_dot_prod_v8qi): New.
5962         * config/ia64/ia64-protos.h: Update.
5963         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5964         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5965         sdot_prodv8qi, sdot_prodv4hi): New.
5966         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5967
5968 2005-09-19  Richard Henderson  <rth@redhat.com>
5969
5970         PR 23941
5971         * real.c (exact_real_truncate): Return false if the format cannot
5972         represent the number as a normal.
5973
5974         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5975         for a memory source.
5976
5977 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5978
5979         * tree-ssa-operands.c (swap_tree_operands): Export.
5980         * tree.h (swap_tree_operands): Declare.
5981         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5982         Call swap_tree_operands.
5983
5984 2005-09-19  Richard Henderson  <rth@redhat.com>
5985
5986         * tree-flow.h (merge_alias_info): Declare.
5987         * tree-ssa-copy.c (merge_alias_info): Export.
5988         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5989         (vect_create_data_ref_ptr): Use create_iv directly.
5990         (vectorizable_load): Use correct types for integer constants.
5991         (vect_generate_tmps_on_preheader): Likewise.
5992         (vect_gen_niters_for_prolog_loop): Likewise.
5993
5994 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5995
5996         PR rtl-optimization/23943
5997         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5998
5999 2005-09-18  Jan Hubicka  <jh@suse.cz>
6000
6001         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6002
6003 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6004
6005         * varasm.c (output_constant): Do not abort on conversions to union
6006         types between different sizes.
6007
6008 2005-09-18  Richard Guenther  <rguenther@suse.de>
6009
6010         PR middle-end/23944
6011         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6012         fallback.
6013
6014 2005-09-18  Paul Brook  <paul@codesourcery.com>
6015
6016         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6017
6018 2005-09-17  Richard Henderson  <rth@redhat.com>
6019
6020         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6021         * tree-ssa-loop.c (pass_vect_dce): Remove.
6022         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6023         of pass_vectorize.
6024
6025 2005-09-17  Richard Henderson  <rth@redhat.com>
6026
6027         * tree-pass.h (pass_vect_dce): Declare.
6028         * passes.c (init_optimization_passes): Add it.
6029         * tree-flow.h (tree_ssa_dce): Declare.
6030         * tree-ssa-dce.c (tree_ssa_dce): Export.
6031         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6032         (gate_tree_vectorize): ... here.
6033         (pass_vect_dce): New.
6034
6035 2005-09-17  Jan Hubicka  <jh@suse.cz>
6036
6037         * except.c (struct eh_status): Turn region_array into vec.
6038         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6039         convert_from_eh_region_ranges, find_exception_handler_labels,
6040         current_function_has_exception_handlers, assign_filter_values,
6041         build_post_landing_pads, dw2_build_landing_pads,
6042         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6043         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6044         foreach_reachable_handler, can_throw_internal_1,
6045         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6046         region_array.
6047         (duplicate_eh_region_1): Update region_array.
6048         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6049
6050 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6051
6052         PR middle-end/22067
6053         * expmed.c (expand_mult): Substitute simple register for op0 when
6054         computing max_cost.
6055
6056 2005-09-17  Richard Henderson  <rth@redhat.com>
6057
6058         * expr.c (emit_move_via_integer): Add force argument, pass it on
6059         to emit_move_change_mode.  Update callers.
6060         (emit_move_complex): Pass true to new force argument.
6061         * function.c (expand_function_end): Move expand_eh_return call
6062         earlier.  Merge sub-word complex values into a pseudo before
6063         copying to the return hard register.
6064
6065 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6066
6067         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6068         between different sizes.
6069
6070 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6071
6072         PR 23903
6073
6074         * passes.c (init_optimization_passes): Register dump files for
6075         IPA passes first.
6076
6077 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6078
6079         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6080         * config/s390/s390.c (s390_overlap_p): New function.
6081         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6082         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6083         condition.
6084
6085 2005-09-16  Richard Guenther  <rguenther@suse.de>
6086
6087         * ipa-pure-const.c (static_execute): Free auxiliar information.
6088         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6089         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6090
6091 2005-09-15  DJ Delorie  <dj@redhat.com>
6092
6093         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6094
6095 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6096
6097         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6098         to order operands.
6099         (swap_commutative_operands_with_target): New.
6100
6101 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6102
6103         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6104         parameter.
6105         Update callers.
6106         (estimate_iters_using_array): New function.
6107         * tree-data-ref.h (estimate_iters_using_array): Prototype
6108         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6109         Use estimate_iters_using_array instead of analyze_array.
6110
6111 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6112
6113         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6114         as addressable.
6115
6116 2005-09-15  Michael Matz  <matz@suse.de>
6117
6118         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6119
6120 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6121
6122         PR tree-optimization/23835
6123         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6124         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6125
6126 2005-09-14  Richard Henderson  <rth@redhat.com>
6127
6128         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6129         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6130
6131 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6132
6133         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6134         in the ARRAY_TYPE case.
6135
6136 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6137
6138         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6139
6140 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6141
6142         PR middle-end/22480
6143         * tree-vect-transform.c (vectorizable_operation): Return false for
6144         scalar shift operations and for vector shift operations with
6145         non-invariant shift arguments.  Use scalar tree operand op1 as
6146         a shift operand when vector shift insn pattern uses scalar shift
6147         operand.
6148         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6149
6150 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6151
6152         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6153         value if it has side-effects.
6154
6155 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6156
6157         PR target/22068
6158         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6159
6160 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6161
6162         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6163         passed as NAME as if it were label at start of function code.
6164
6165 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6166
6167         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6168         the constraints.
6169
6170 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6171
6172         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6173         as early clobber.  Rewrite so the PIC register is not implicitly used.
6174
6175 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6176
6177         * tree.c (annotate_with_file_line): Compare line numbers before
6178         file names.
6179
6180 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6181
6182         PR target/23816
6183         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6184         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6185
6186 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6187
6188         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6189         than a HOST_WIDEST_INT to gen_doloop_begin.
6190
6191 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6192
6193         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6194
6195 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6196
6197         PR tree-optimize/23817
6198         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6199
6200 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6201
6202         PR target/23774
6203         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6204         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6205         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6206         (restore_stack_nonlocal): Likewise.
6207         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6208
6209 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6210
6211         PR g++/7874
6212         * c.opt (ffriend-injection): New C++ option.
6213         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6214         (C++ Dialect Options): Document -ffriend-injection.
6215
6216 2005-09-12  Josh Conner  <jconner@apple.com>
6217
6218         PR middle-end/23237
6219         * ipa-reference.c (static_execute): Don't mark variables in
6220         named sections TREE_READONLY.
6221
6222 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6223
6224         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6225         stack_tie.
6226
6227 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6228
6229         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6230         V_MUST_DEF instead of just the first_use_p.
6231         Don't mark the virtual variables for renaming on the statement which
6232         is being removed.
6233         (pass_dse): Remove TODO_update_ssa.
6234
6235 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6236
6237         PR middle-end/23290
6238         * stor-layout.c (compute_record_mode): For records with a single
6239         field, actually check the field's mode size against the type size.
6240
6241         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6242         registers for TARGET_SHMEDIA.
6243         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6244         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6245         of GENERAL_REGS and FP_REGS.
6246
6247 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6248
6249         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6250
6251 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6252
6253         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6254         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6255         are omitted.  Exclude stack_tie insn too.
6256
6257 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6258
6259         PR rtl-optimization/23098
6260         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6261         0.0f is easy.
6262         * config/rs6000/rs6000.md (movdf splitter): Use
6263         const_double_operand predicate for TARGET_POWERPC64.
6264         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6265         SYMBOL_REF method to ABI_V4.
6266
6267         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6268         replace_equiv_address.
6269         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6270         rs6000_sr_alias_set and MEM_NOTRAP.
6271         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6272
6273 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6274
6275         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6276         handle CALL_EXPR again.
6277
6278 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6279
6280         * arm/predicates.md (alignable_memory_operand): Delete.
6281
6282 2005-09-10  Richard Henderson  <rth@redhat.com>
6283
6284         PR debug/23806
6285         * dbxout.c (dbxout_expand_expr): New.
6286         (dbxout_symbol): Use it.
6287
6288 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6289
6290         * arm.c (arm_gen_rotated_half_load): Delete.
6291         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6292         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6293         (thumb_set_return_address): Likewise.
6294         (thumb_load_double_from_address): Use adjust_address.
6295         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6296         (extendhsisi2_mem, movhi_bytes): Use change_address.
6297         (movhi): Use widen_memory_access.
6298         (reload_out_df): Use replace_equiv_address.
6299         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6300
6301 2005-09-09  Richard Henderson  <rth@redhat.com>
6302
6303         PR debug/20998
6304         * dbxout.c: Include expr.h.
6305         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6306         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6307         * Makefile.in (dbxout.o): Add EXPR_H.
6308
6309 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6310
6311         PR tree-optimization/23509
6312         * tree-cfg.c (replace_uses_by): Use replace_exp.
6313         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6314         pointers have name_mem_tag or type_mem_tag set.
6315
6316 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6317
6318         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6319         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6320         of wrongly accessing operands.
6321
6322 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6323
6324         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6325         * tree-chrec.c: Include tree-scalar-evolution.h.
6326         (chrec_convert): Instantiate the base and step before calling
6327         scev_probably_wraps_p that would fail on parametric evolutions.
6328         Collect all the fails into a single section failed_to_convert,
6329         print a diagnostic, and return chrec_dont_know instead of calling
6330         fold_convert.
6331         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6332         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6333         phi nodes.
6334         (scev_const_prop): Don't replace the definition of a loop closed ssa
6335         phi node by itself, or by another loop closed ssa phi node.
6336         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6337         that base and step are defined.
6338
6339 2005-09-09  Richard Guenther  <rguenther@suse.de>
6340
6341         PR c++/23624
6342         * fold-const.c (fold_ternary): Check truth_value_p before
6343         calling invert_truthvalue.
6344
6345 2005-09-09  Nick Clifton  <nickc@redhat.com>
6346
6347         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6348         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6349         dimension of these arrays.
6350         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6351         these arrays.
6352         * longlong.h: Only provide a prototype for the __clz_tab[] array
6353         if this header has not been included from libgcc2.h.
6354         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6355         defining own types.
6356         Provide prototypes for exported functions.
6357         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6358         libgcc2.c.
6359
6360 2005-09-08  Josh Conner  <jconner@apple.com>
6361
6362         PR c++/21135
6363         PR c++/23180
6364         * expr.c (expand_expr_addr_expr_1): Don't invoke
6365         expand_simple_binop for EXPAND_INITIALIZER.
6366
6367 2005-09-08  Richard Henderson  <rth@redhat.com>
6368
6369         PR debug/23190
6370         * toplev.c (wrapup_global_declaration_1): Split out ...
6371         (wrapup_global_declaration_2): ... from ...
6372         (wrapup_global_declarations): ... here.  Return bool.
6373         (check_global_declaration_1): Split out ...
6374         (check_global_declarations): from here.
6375         (emit_debug_global_declarations): New.
6376         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6377         check_global_declaration_1, emit_debug_global_declarations): Declare.
6378         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6379         of decls.  Call wrapup_global_declaration_1,
6380         wrapup_global_declaration_2, check_global_declaration_1 directly.
6381         (c_write_global_declarations_2): New.
6382         (ext_block): New.
6383         (c_write_global_declarations): Call c_write_global_declarations_2.
6384         * langhooks.c (write_global_declarations): Call
6385         emit_debug_global_declarations.
6386
6387         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6388         remove decls that have DECL_RTL_SET_P.
6389         * passes.c (rest_of_decl_compilation): Invoke
6390         cgraph_varpool_finalize_decl for all but functions.
6391
6392 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6393
6394         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6395         the result of a conversion if the new min and max cannot be compared.
6396
6397 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6398
6399         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6400         (override_options): Setting s390_sr_alias_set removed.
6401         (save_fpr, save_gprs): Set alias set to vararg or frame.
6402         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6403         s390_sr_alias_set with get_frame_alias_set ().
6404         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6405         get_varargs_alias_set ().
6406
6407 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6408
6409         PR objc/20574
6410         PR objc/19324
6411         * c-parser.c (c_parser_objc_method_definition): If the next
6412         token is not "{", error out and don't start the function.
6413
6414 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6415
6416         * tree-vrp.c (extract_range_from_expr): Move the check for non
6417         nullness after the check for gimple invariant.
6418
6419 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6420
6421         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6422
6423 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6424
6425         PR target/23747
6426         * config/m32r.md (movmemsi_internal): Canonicalize order of
6427         operands in PLUS component of template.
6428
6429 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6430
6431         * reload1.c (fixup_eh_region_note): Remove assertion.
6432         (fixup_abnormal_edges): Reverted removal of call to
6433         find_many_sub_basic_blocks made on 2005-08-31.
6434
6435 2005-09-07  Richard Henderson  <rth@redhat.com>
6436
6437         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6438         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6439         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6440         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6441         rearrange for better packing.
6442         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6443         (lookup_cfa_1): Remove inline marker.
6444         (cfa_equal_p): Split out of ...
6445         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6446         (build_cfa_loc): Handle !cfa->indirect.
6447         (frame_pointer_cfa_offset): New.
6448         (dbx_reg_number): Assert register elimination performed; do
6449         leaf register remapping.
6450         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6451         (eliminate_reg_to_offset): New.
6452         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6453         for verifiably local stack frame addresses; re-base to CFA.
6454         (mem_loc_descriptor): Remove can_use_fbreg argument.
6455         (concat_loc_descriptor, loc_descriptor): Likewise.
6456         (containing_function_has_frame_base): Remove.
6457         (rtl_for_decl_location): Don't do register elimination or
6458         leaf register remapping here.
6459         (secname_for_decl): Split out from ..
6460         (add_location_or_const_value_attribute): ... here.
6461         (convert_cfa_to_loc_list): New.
6462         (compute_frame_pointer_to_cfa_displacement): New.
6463         (gen_subprogram_die): Use them.
6464         * tree.h (frame_base_decl): Remove.
6465         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6466         (prologue_stack_adjust): Remove.
6467         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6468         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6469         (set_frame_base_location): Remove.
6470         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6471         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6472         (vt_add_function_parameters): Don't eliminate_regs.
6473         (vt_initialize): Don't create frame_base_decl.
6474
6475 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6476
6477         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6478         version of GNU binutils for 4.x and later.
6479
6480 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6481
6482         * ggc-page.c (ggc_push_context): Remove.
6483         (ggc_pop_context): Likewise.
6484         * ggc.h (ggc_push_context): Remove.
6485         (ggc_pop_context): Likewise.
6486
6487 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6488
6489         PR target/8973
6490         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6491         returning from an interrupt handler.
6492
6493 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6494
6495         PR target/8972
6496         * config/arc/arc.c (output_shift): Add check for loop count when
6497         optimizing.
6498
6499 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6500
6501         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6502         form manually.
6503         (abs_replacement): Likewise.
6504         (pass_phiopt): Remove TODO_update_ssa.
6505
6506 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6507
6508         PR c/23075
6509         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6510         if "return with no value, in function returning non-void" warning
6511         has been issued.
6512         * tree-cfg.c (execute_warn_function_return): Don't look at
6513         RETURN_EXPRs with TREE_NO_WARNING set.
6514
6515         PR target/22362
6516         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6517         for internal functions doesn't use registers used by global registers
6518         variables.  Use fewer register parameters if there are global register
6519         variables.
6520
6521 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6522             Eric Botcazou  <ebotcazou@adacore.com>
6523
6524         PR middle-end/14997
6525         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6526         when we would be extracting outside its bit span (bitpos+bitsize
6527         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6528         Ada unchecked conversions.
6529
6530 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6531
6532         * tree-ssa-pre.c (try_look_through_load): New function.
6533         (compute_avail): Use it to try to look through loads for some
6534         more useful expressions.
6535
6536 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6537
6538         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6539         condition for detecting cases like (a&a) and (a^a).
6540
6541 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6542
6543         * common.opt: Add option ftree-vect-loop-version.
6544         * params.def: Add --param vect-max-version-checks.
6545         * doc/invoke.texi: Document ftree-vect-loop-version and
6546         --param vect-max-version-checks.
6547         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6548         may_misalign_stmts and defines for accessors.
6549         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6550         LOOP_VINFO_MAY_MISALIGN_STMTS.
6551         (destroy_loop_vec_info): VEC_free for
6552         LOOP_VINFO_MAY_MISALIGN_STMTS.
6553         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6554         Update documentation.
6555         (vect_update_misalignment_for_peel): New.
6556         (vect_enhance_data_refs_alignment): Update to choose loop
6557         peeling or loop versioning if appropriate for the (potentially)
6558         unaligned data references in the loop.
6559         (vect_analyze_data_refs_alignment): Remove call to
6560         vect_enhance_data_refs_alignment so the checks can be done
6561         earlier.
6562         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6563         and move up call to vect_analyze_data_refs_alignment.
6564         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6565         (vect_transform_loop): Add call to loop_version.
6566
6567 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6568
6569         PR rtl-optimization/23098
6570         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6571         * simplify-rtx.c (constant_pool_reference_p): New function.
6572         * rtl.h (constant_pool_reference_p): New prototype.
6573         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6574         constant_pool_reference_p in condition and
6575         avoid_constant_pool_reference in preparation statements.
6576
6577 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6578
6579         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6580         STRICT_LOW_PART SETs.
6581
6582 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6583
6584         PR middle-end/21460
6585         * except.c (sjlj_emit_function_enter): Find the function begin
6586         note even when it's not in first basic block.
6587
6588 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6589
6590         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6591         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6592         * aclocal.m4: Regenerate.
6593
6594 2005-09-05  DJ Delorie  <dj@redhat.com>
6595
6596         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6597         of macro.
6598
6599 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6600
6601         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6602         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6603         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6604         Follow spelling conventions.
6605         * doc/invoke.texi: Follow spelling conventions.
6606
6607 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6608
6609         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6610         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6611         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6612
6613 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6614
6615         PR target/23683
6616         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6617         (output_stack_adjust): Use gen_tmp_stack_mem.
6618         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6619         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6620         (sh_get_pr_initial_val): Likewise.
6621         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6622         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6623         * sh.md (divsi_inv_m0): Use gen_const_mem.
6624         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6625         (movdf_i4+1): Use gen_tmp_stack_mem.
6626         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6627         (fpu_switch+2): Likewise.
6628         (movv4sf_i, movv16sf_i): Use adjust_address.
6629         (symGOT_load): Set MEM_NOTRAP_P bit.
6630
6631 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6632
6633         PR target/23721
6634         * pa.c (emit_move_sequence): Fix typo in last change.
6635
6636 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6637
6638         PR rtl-optimization/23454
6639         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6640         is true.
6641
6642 2005-09-03  Richard Henderson  <rth@redhat.com>
6643             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6644
6645         PR middle-end/23671
6646         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6647         gen_rtx_MEM.
6648
6649 2005-09-02  Nicolas Pitre <nico@cam.org>
6650
6651         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6652         to bit_count to 32 bits.
6653
6654 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6655
6656         PR c++/23167
6657         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6658         generating synthetic loads from volatile lvalues.
6659
6660 005-09-02  Nick Clifton  <nickc@redhat.com>
6661
6662         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6663         __ctzhi2, __clzhi2): New functions.
6664
6665 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6666
6667         PR middle-end/23547
6668         * tree-nested.c (struct var_map_elt): Mark with GTY.
6669         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6670         var_map_elt.
6671         (lookup_field_for_decl): Allocate new element in GC memory.
6672         (lookup_tramp_for_decl): Likewise.
6673         (convert_nl_goto_reference): Likewise
6674         (create_nesting_tree): Allocate info in GC memory. Likewise for
6675         info->var_map.
6676         (free_nesting_tree): Free with ggc_free instead of free.
6677         (root): New static variable.
6678         (lower_nested_functions): Remove root as local variable.  And zero out
6679         root at the end of the function.
6680
6681 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6682
6683         PR rtl-optimization/20365
6684         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6685         to short.  New member ix.
6686         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6687         (simplify_plus_minus): Initialize ix members before calling qsort.
6688
6689 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6690
6691         PR tree-optimization/23626
6692         * tree-cfg.c (replace_uses_by): Clean up eh info.
6693
6694 2005-09-01  DJ Delorie  <dj@redhat.com>
6695
6696         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6697         fprintf.
6698
6699 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6700
6701         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6702         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6703         gen_rtx_MEM.
6704
6705 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6706
6707         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6708         do not issue warning for a variable definition following
6709         a declaration.
6710
6711 2005-09-01  Richard Henderson  <rth@redhat.com>
6712
6713         PR 23668
6714         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6715         conversion to CONST_VECTOR.
6716
6717 2005-09-01  Richard Henderson  <rth@redhat.com>
6718
6719         PR 23676
6720         * reload1.c (reload_as_needed): Check !CALL_P before calling
6721         fixup_eh_region_note.
6722         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6723
6724 2005-09-01  DJ Delorie  <dj@redhat.com>
6725
6726         * varasm.c (output_constant): Let the target resolve
6727         conversions of addresses to non-default pointer sizes.
6728
6729 2005-09-01  Nicolas Pitre <nico@cam.org>
6730
6731         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6732         to alow matching ARM pre-indexed addressing mode.
6733         (arm_override_options): Remove now irrelevant comment.
6734
6735 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6736
6737         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6738         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6739         * config/i386/vxworks.h:  Likewise.
6740         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6741         * config/i386/vxworksae.h:  Likewise.
6742
6743 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6744
6745         PR tree-optimization/23410
6746         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6747         sequence is not wrapping during the first step.
6748
6749 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6750
6751         PR debug/7241
6752         * dwarf2out.c (base_type_die): Compare char_type_node with
6753         TYPE_MAIN_VARIANT (type), not type.
6754
6755 2005-09-01  Richard Guenther  <rguenther@suse.de>
6756
6757         PR tree-optimization/15366
6758         * common.opt: Add -finline-functions-called-once.
6759         Put -fearly-inlining in alphabetically ordered place.
6760         * doc/invoke.texi: Document new option.
6761         * ipa-inline.c (cgraph_decide_inlining): Honour
6762         flag_inline_functions_called_once.
6763
6764 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6765
6766         PR rtl-optimization/23478
6767         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6768         (alloc_qty): Initialize it.
6769         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6770         (combine_regs): Combine also n_throwing_calls_crossed fields.
6771         (find_free_reg): Don't attempt to caller-save pseudos crossing
6772         calls that might throw.
6773         * global.c (struct allocno): Add throwing_calls_crossed field.
6774         (global_alloc): Revert 2005-08-22 change.  Initialize
6775         throwing_calls_crossed.
6776         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6777         might throw.
6778
6779 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6780
6781         PR target/23649
6782         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6783         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6784         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6785         (and64_2_operand): Tweak to use predicate.
6786         (and_operand): Adjust for mask_operand changes.
6787         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6788         (print_operand): Likewise.
6789         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6790         (mask64_1or2_operand): Delete.
6791         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6792         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6793         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6794         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6795         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6796         (rotldi3_internal4): Likewise.
6797         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6798         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6799         (ashldi3_internal7): Likewise.
6800         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6801         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6802         (anddi3 split): Don't match mask64_operand.
6803         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6804         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6805         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6806         't' splitter predicate.
6807         (movdi_internal64 + 2): Revert 2005-06-11 change.
6808
6809 2005-08-31  DJ Delorie  <dj@redhat.com>
6810
6811         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6812         (m32c_asm_integer): Add support for 32 bit pointers.
6813
6814 2005-08-31  Richard Henderson  <rth@redhat.com>
6815
6816         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6817         component-like references for setting MEM_NOTRAP_P.
6818
6819         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6820         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6821
6822 2005-08-31  Richard Henderson  <rth@redhat.com>
6823
6824         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6825         into a pseudo before applying gen_lowpart.
6826
6827 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6828
6829         * doc/install.texi (Specific): Update cctools version required
6830         for full functionality.
6831         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6832         linkers as -macosx_version_min.
6833
6834 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6835
6836         PR target/21255
6837         * sh.c (print_operand, %R and %S): Add handling of floating point
6838         registers, memory, constants and invalid operands.
6839
6840 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6841
6842         * ipa-pure-const.c: Change dump name.
6843
6844 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6845
6846         PR target/23570
6847         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6848         to "reg_or_0_operand".
6849         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6850
6851 2005-08-31  Dale Johannesen  <dalej@apple.com>
6852
6853         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6854         loops that count down.
6855
6856 2005-08-31  Richard Henderson  <rth@redhat.com>
6857
6858         PR rtl-opt/23601
6859         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6860         (fixup_eh_region_note): New.
6861         (reload_as_needed): Call it.
6862         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6863         don't call find_many_sub_basic_blocks; call verify_flow_info.
6864         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6865         (keep_stack_depressed): Likewise.
6866         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6867
6868 2005-08-31  Richard Henderson  <rth@redhat.com>
6869
6870         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6871         fp return matching.
6872
6873 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6874
6875         * expr.c (expand_expr_real_1): Compare size of address
6876         mode to target's address mode size in deciding expansion of
6877         the constant address.
6878
6879 2005-08-31  Richard Guenther  <rguenther@suse.de>
6880
6881         PR middle-end/23477
6882         * expr.c (all_zeros_p): New function.
6883         (expand_expr_real_1): Handle the case of an all-zero
6884         non-addressable constructor separately.
6885
6886 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6887
6888         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6889         arguments, adjust all callers.
6890         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6891
6892 2005-08-30  Richard Henderson  <rth@redhat.com>
6893
6894         PR target/23630
6895         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6896         whenever the mode sizes match.
6897
6898 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6899
6900         * calls.c (load_register_parameters): Fix comment typo.
6901         * expr.c (emit_push_insn): Comment formatting.
6902
6903 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6904
6905         * config/i386/x-cygwin (host-cygwin): Change dependency from
6906         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6907
6908 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6909
6910         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6911         parts of 'vals'.
6912
6913 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6914
6915         PR middle-end/23408
6916         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6917         call to ggc_collect.
6918
6919 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6920
6921         PR bootstrap/21268
6922         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6923         beginning.  Remove $(INCLUDES) from all the rules, if following
6924         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6925
6926 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR middle-end/23484
6929         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6930         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6931         not constant, but maxlen is, don't set len to maxlen, rather
6932         set maxlen to len if len is a constant.
6933
6934 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6935
6936         PR tree-optimization/23475
6937         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6938         and counts.
6939
6940 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6941
6942         Fix PR middle-end/22455
6943
6944         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6945         Checksum only the parts of the tree that exist for the tree code.
6946
6947 2005-08-28  Dale Johannesen  <dalej@apple.com>
6948
6949         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6950
6951 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6952
6953         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6954
6955 2005-08-28  Richard Henderson  <rth@redhat.com>
6956
6957         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6958         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6959         of char_type_node.
6960
6961 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6962
6963         PR ada/23593
6964         * builtins.c (get_memory_rtx): Don't strip nops
6965         in between COMPONENT_REFs.
6966
6967 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6968
6969         PR middle-end/23463
6970         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6971         types.
6972         (gimplify_modify_expr): Check for zero sized types and gimplify the
6973         rhs and lhs as statements.
6974
6975 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6976
6977         PR libgcj/23508
6978         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6979         state for return address column of signal frames.
6980
6981 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6982
6983         PR target/23539
6984         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6985         bytes >= 2 not bytes == 2.
6986         (expand_block_move): Same.
6987
6988 2005-08-27  Richard Guenther  <rguenther@suse.de>
6989
6990         PR target/23575
6991         * config/i386/sse.md (sse2_movsd): Add missing closing
6992         braces.
6993
6994 2005-08-27  Paul Brook  <paul@codesourcery.com>
6995
6996         * genrecog.c (enum decision_type): Add DT_num_insns.
6997         (struct decision_test): Add u.num_insns.
6998         (add_to_sequence): Add DT_num_insns test.
6999         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7000         (write_cond, debug_decision_2): Ditto.
7001         (change_state): Assume peep2_next_insn never fails.
7002         Remove "afterward" argument.
7003         (write afterward, write_tree): Update to match.
7004         * recog.c (peep2_current_count): New variable.
7005         (peep2_next_insn): Check it.
7006         (peephole2_optimize): Set peep2_current_count.
7007         * recog.h (peep2_current_count): Declare.
7008
7009 2005-08-26  Josh Conner  <jconner@apple.com>
7010
7011         PR middle-end/23584
7012         * ipa-pure-const.c (check_tree): Check for volatile-ness
7013         when considering a dereference.
7014
7015 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7016
7017         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7018
7019 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7020
7021         PR rtl-optimization/23561
7022         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7023         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7024         at most LEN bytes long memory fits into the field.
7025         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7026         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7027         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7028
7029 2005-08-26  Richard Henderson  <rth@redhat.com>
7030
7031         PR rtl-opt/23560
7032         * loop.c (biased_biv_may_wrap_p): New.
7033         (maybe_eliminate_biv_1): Use it to suppress non-equality
7034         comparison transformations.  Delete disabled code.
7035
7036 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7037
7038         * combine.c (make_extraction): Avoid reference outside object.
7039
7040 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7041
7042         * stor-layout.c (finalize_type_size): Restore behaviour for
7043         non-aggregate types to the status quo ante of the patch for
7044         pr 23467.  Document why it matters.
7045
7046 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7047
7048         PR c/23506
7049         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7050         array by one element, initialize the BT_LAST element with NULL.
7051
7052 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7053
7054         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7055         optimizing for size.
7056         (plus_eqsi): Same.
7057         (compare_plus_eqsi): Same.
7058         (plus_eqsi_compare): Same.
7059         (neg_eq0<mode>): Same.
7060         (neg_eq<mode>): Same.
7061
7062         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7063         PROCESSOR_POWER4.
7064
7065 2005-08-26  Nick Clifton  <nickc@redhat.com>
7066
7067         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7068         TARGET_EP is not defined.
7069         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7070         TARGET_EP is enabled.
7071         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7072         * config/v850/v850.md (save_all_interrupt): Only use the EP
7073         register if TARGET_EP is defined.
7074         (restore_all_interrupt): Likewise.
7075         * config/v850/lib1funcs.asm: Update functions so that the EP
7076         register is only used if __EP__ is defined.
7077
7078 2005-08-26  David Ung  <davidu@mips.com>
7079
7080         * config/mips/mips.c (mips_expand_prologue): Handle case when
7081         generating for MIPS16 and the outgoing argument area is more than
7082         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7083         add instruction.
7084
7085 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7086
7087         * config/crx/crx.md: Make doloop_end pattern usage controllable
7088         via mloop-nesting=<max-nesting> command line switch. Make sure
7089         the combiner cannot use doloop_end_<mode> in an illegal way.
7090         * config/crx/crx.c: Use regs up to r6 for argument passing.
7091         Refine crx_address_cost (non cst4 displacements are expensive).
7092         * config/crx/crx.opt: Add switch for mloop-nesting=.
7093
7094 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7095
7096         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7097         (UNSPEC_MVST): New constant.
7098
7099 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7100
7101         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7102         Reject operands containing eliminable registers.
7103         * testsuite/gcc.dg/20050825-1.c: New testcase.
7104
7105 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7106             Jan Hubicka  <jh@suse.cz>
7107
7108         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7109
7110 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7111
7112         PR tree-optimization/23546
7113         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7114         and REAL_CST nodes.
7115
7116 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7117
7118         * params.def (PARAM_MIN_SPEC_PROB): New.
7119         * sched-rgn.c (MIN_PROBABILITY): Delete.
7120         (compute_trg_info): Convert to PARAM_VALUE.
7121         * doc/invoke.texi (param): Document min-spec-prob.
7122
7123 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7124
7125         * config/darwin.h: define __PIC__
7126         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7127         TARGET_OS_CPP_BUILTINS macro.
7128
7129 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7130
7131         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7132         yesterday.
7133
7134 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7135
7136         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7137         to duplicate_block.
7138         * cfghooks.c (duplicate_block): Added position where to place
7139         new block as argument.
7140         * cfghooks.h (duplicate_block): Declaration changed.
7141         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7142         duplicate_block.
7143         * cfglayout.h (copy_bbs): Declaration changed.
7144         * cfgloop.h (loop_version): Declaration changed.
7145         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7146         position to copy_bbs.
7147         (loop_version): Pass position to duplicate_loop_to_header_edge.
7148         Add place_after argument and position new blocks according to
7149         it.
7150         * modulo-sched.c (sms_schedule): Pass place_after argument
7151         to loop_version.
7152         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7153         * tree-cfg.c (split_edge_bb_loc): New function.
7154         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7155         to determine position of new blocks.
7156         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7157         to loop_version.
7158         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7159         argument to duplicate_block.
7160         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7161         Pass position to copy_bbs.
7162
7163 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7164
7165         * fold-const.c (ptr_difference_const): Use
7166         cst_and_fits_in_hwi instead of host_integerp.
7167
7168 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7169
7170         * config/darwin.c (gen_pic_offset): New.
7171         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7172         Use it.
7173
7174 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7175
7176         PR tree-optimization/23486
7177         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7178
7179 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7180
7181         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7182         remove use_collect2.
7183         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7184
7185         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7186         configuration files to override the default value.
7187
7188         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7189         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7190         * config/vx-common.h:  New file, split out from...
7191         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7192         * config/vxworksae.h:  New file, for VxWorks AE.
7193         * config/vxworks.opt:  New file.
7194         * config/vxlib.c:  Update for VxWorks 6.
7195
7196         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7197         other MULTILIB_* variables appropriately.
7198         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7199         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7200         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7201         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7202
7203 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7204
7205         PR target/20799
7206         * config/darwin.c (machopic_select_section): Remove the hack to
7207         mark "::operator new" and "::operator delete" for coalescing
7208         even though they are not weak.
7209
7210 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7211
7212         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7213         * configure: Regenerate.
7214
7215 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7216
7217         PR middle-end/23517
7218         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7219         between vectors.
7220         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7221         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7222         Likewise.
7223
7224 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7225
7226         * config/rs6000/predicates.md (equality_operator): New.
7227         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7228         comparison with a large constant.
7229
7230 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7231
7232         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7233
7234 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7235
7236         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7237         registers is even, and we have a hardware double precision fp,
7238         align the buffer.
7239         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7240         size of current argument when checking if argument was passed in
7241         registers.
7242
7243         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7244
7245         PR middle-end/23467
7246         * stor-layout.c (finalize_type_size): Dont override
7247         existing alignment with a smaller alignment from the mode.
7248
7249 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7250
7251         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7252         * lambda.h (lambda_vector_lexico_pos): ... here.
7253         * tree-data-ref.c (build_classic_dist_vector): Return false when
7254         the distance vector is lexicographically negative.
7255
7256 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7257
7258         PR tree-optimization/23511
7259         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7260         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7261
7262 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7263
7264         PR tree-optimization/22043
7265         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7266         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7267         If ALLOW_FLEXARR, handle types ending with flexible array member.
7268         Pass false as second argument to recursive count_type_elements calls.
7269         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7270         argument to count_type_elements call.
7271         * tree-sra.c (decide_block_copy): Likewise.
7272         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7273         for a constant-sized object, set cleared as well.  Pass true as
7274         second argument to count_type_elements call.
7275
7276 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7277
7278         PR target/21571
7279         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7280         from legitimate_small_data_p, and make global.  Update use.
7281         Remove forward declaration.
7282         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7283         Declare.
7284         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7285
7286 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7287
7288         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7289         of scratch intermediates.
7290         (eq<mode>_compare): Same.
7291         (neg_eq0<mode>): New.
7292         (neg_eq<mode>): Convert to define_insn_and_split.
7293
7294 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7295
7296         PR target/23070
7297         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7298         stdarg functions, set/clear the fp marker even when no variable
7299         args are passed.
7300         * config/rs6000/sysv4.opt (mprototype): Describe.
7301
7302 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7303
7304         PR rtl-optimization/23478
7305         * regs.h (reg_info): Add throw_calls_crossed.
7306         (REG_N_THROWING_CALLS_CROSSED): Define.
7307         * flow.c (allocate_reg_life_data): Initialize
7308         REG_N_THROWING_CALLS_CROSSED.
7309         (propagate_one_insn, attempt_auto_inc): Update
7310         REG_N_THROWING_CALLS_CROSSED.
7311         * global.c (global_alloc): Don't allocate pseudos across
7312         calls that may throw.
7313
7314 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7315
7316         PR c/18715
7317         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7318         value is inbetween the range if we did not find an exact match.
7319
7320 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7321
7322         * doc/invoke.texi (Option Summary): Add ms1 options.
7323         * doc/extend.texi: Document interrupt handler attribute for ms1.
7324         * doc/md.texi: Document ms1 constraints.
7325         * config.gcc: Add ms1-*-elf.
7326         * config/ms1/ms1.h: New.
7327         * config/ms1/ms1.c: New.
7328         * config/ms1/ms1.md: New.
7329         * config/ms1/ms1-protos.h: New.
7330         * config/ms1/ABI.txt: New.
7331         * config/ms1/crti.asm: New.
7332         * config/ms1/crtn.asm: New.
7333         * config/ms1/lib2extra-funcs.c: New.
7334         * config/ms1/t-ms1: New.
7335         * config/ms1/ms1.opt: New.
7336
7337 2005-08-22 Ira Rosen <irar@il.ibm.com>
7338
7339         * config/rs6000/altivec.md (xorv4sf3): New.
7340         (negv4sf2, neg<mode>2): Likewise.
7341
7342 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7343
7344         PR target/23485
7345         * config/ia64/ia64.md (divsi3): Check divide by zero.
7346         (udivsi3): Likewise.
7347         (divdi3): Likewise.
7348         (udivdi3): Likewise.
7349
7350 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7351
7352         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7353         up to elem_bitsize bits, not max_bitsize.
7354
7355 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7356
7357         PR tree-optimization/23433
7358         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7359         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7360
7361 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7362
7363         PR tree-optimization/23434
7364         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7365         the iteration bound is not an INTEGER_CST.
7366
7367 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7368
7369         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7370         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7371         NULL if need_epilog_adjust is false.
7372         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7373         Case 3 always peels first itration, not just for PLUS case, and no need
7374         to use scalar_initial_def here. Create an epilog adjustment only if
7375         scalar_initial_def is not NULL.
7376
7377         (vectorizable_reduction): Remove assert.
7378
7379 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7380
7381         PR target/23485
7382         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7383         (__moddi3): Likewise.
7384         (__udivdi3): Likewise.
7385         (__umoddi3): Likewise.
7386         (__divsi3): Likewise.
7387         (__modsi3): Likewise.
7388         (__udivsi3): Likewise.
7389         (__umodsi3): Likewise.
7390
7391 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7392
7393         * tree-pass.h (TDF_GRAPH): Define.
7394         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7395         * passes.c (finish_optimization_passes): Only call
7396         finish_graph_dump_file if TDF_GRAPH is set.
7397         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7398         NULL.  Set TDF_GRAPH bit.
7399         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7400
7401 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7402
7403         * arm.h (arm_stack_offsets): Add locals_base field.
7404         * arm.c (arm_get_frame_offsets): Compute it.
7405         (thumb_compute_initial_elimination offset): Make the Thumb frame
7406         pointer point to the base of the local variables.
7407         (thumb_expand_prologue): Update accordingly.
7408         (thumb_expand_epilogue): Likewise.
7409
7410         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7411         mode of clobbered scratch to DImode.  Handle a case that's known to
7412         need this.
7413
7414 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7415
7416         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7417         (gt0<mode>_compare): Delete.
7418         (neg_gt0<mode>): Delete.
7419
7420 2005-08-19  Eric Christopher  <echristo@apple.com>
7421
7422         * optabs.h: Change CTI_ to COI_.
7423         * optabs.c: Ditto.
7424
7425 2005-08-19  James E Wilson  <wilson@specifix.com>
7426
7427         * builtins.c (expand_builtin_return_addr): Set
7428         current_function_accesses_prior_frames when count != 0.  Use
7429         frame_pointer_rtx when count == 0.
7430         * function.h (struct function): Add accesses_prior_frames field.
7431         (current_function_accesses_prior_frames): Define.
7432         * reload1.c (init_elim_table): Check
7433         current_function_accesses_prior_frames.
7434         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7435
7436 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7437
7438         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7439         indicator.  Return true if the flowgraph changed during
7440         cleanup.
7441
7442 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7443
7444         PR 23476
7445         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7446         conditional expression before testing its value.
7447
7448 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7449
7450         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7451
7452 2005-08-19  Devang Patel  <dpatel@apple.com>
7453
7454         PR tree-optimization/23048
7455         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7456         third parameter. Check whether latch is dominated by exit
7457         block or not.
7458         (if_convertible_loop_p): Supply exit block itself to
7459         if_convertible_bb_p.
7460
7461 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7462
7463         PR target/23473
7464         * arm.md (arm_load_pic_register): Change argument to the mask of
7465         saved registers.  Call thumb_find_work_register if we need a
7466         scratch register on Thumb.
7467         (arm_expand_prologue): Pass empty register set to
7468         arm_load_pic_register.
7469         (thumb_expand_prologue): Pass live_regs_mask directly to
7470         arm_load_pic_register.
7471         * arm-protos.h (arm_load_pic_register): Update prototype.
7472
7473 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7474
7475         * sh.c (find_sole_member): New function.
7476         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7477         if the record's alignment is larger than the size of its only member.
7478
7479 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7480
7481         PR target/23436
7482         * arm.c (thumb_legitimize_reload_address): New function.
7483         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7484         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7485
7486 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7487
7488         * config/crx/crx.c: Implement crx_decompose_address. Reject
7489         symbolic displacements since CRX register relative adressing
7490         mode can't handle unsigned 32-bit values as displacements.
7491         * config/crx/crx.h: Simplify definitions, remove redundant
7492         parenthesis and obsolete macros.
7493         * config/crx/crx.opt: Add new switch for debugging addresses.
7494         * config/crx/crx-protos.h: Add new declarations for above.
7495
7496 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7497
7498         PR middle-end/20624
7499         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7500         looking past it.
7501
7502 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7503
7504         * collect2.c (dup2): Delete.
7505         * configure.ac: Don't check for dup2.
7506
7507         * config.in, configure: Regenerate.
7508
7509 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7510
7511         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7512         record with the type of its only member.
7513
7514 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7515
7516         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7517         define_insn_and_split.
7518         (plus_ltu<mode>_compare): Same.
7519         (gtu<mode>_compare): Same.
7520         (plus_gtu<mode>_compare): Same.
7521
7522 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7523
7524         PR tree-optimization/22228
7525         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7526         todo_flags_start.
7527         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7528         are recorded in vect_vnames_to_rename for renaming.
7529         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7530         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7531         in vect_vnames_to_rename.
7532         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7533         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7534
7535 2005-08-18  Jan Hubicka  <jh@suse.cz>
7536
7537         PR c++/22034
7538         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7539         info only for local statics, not for member variables.
7540
7541 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7542
7543         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7544
7545 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7546
7547         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7548
7549 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7550
7551         PR middle-end/16045
7552         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7553
7554 2005-08-17  James E Wilson  <wilson@specifix.com>
7555
7556         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7557         array size check.
7558
7559 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7560
7561         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7562         (leu<mode>_compare): Same.
7563         (plus_leu<mode>): Same.
7564         (neg_leu<mode>): Same.
7565         (and_neg_leu<mode): Same.
7566         (ltu<mode>_compare): Same.
7567         (plus_ltu<mode>): Same.
7568         (geu<mode>): Same.
7569         (geu<mode>_compare): Same.
7570         (plus_geu<mode>): Same.
7571         (neg_geu<mode>): Same.
7572         (and_neg_geu<mode>): Same.
7573         (plus_gt<mode>): Same.
7574         (gtu<mode>_compare): Same.
7575         (plus_gtu<mode>): Same.
7576
7577 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7578
7579         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7580         Move call_table_data to end.  Delete spurious .text.
7581         (callt_save_all_interrupt): Fix comment typo.
7582
7583 2005-08-17  James E Wilson  <wilson@specifix.com>
7584             Kevin Winchester  <winchester@amirix.com>
7585
7586         PR target/21684
7587         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7588
7589 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7590
7591         PR target/23268
7592         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7593         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7594
7595 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7596
7597         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7598         record with the type of its only member if the modes don't match.
7599
7600         * varasm.c (decode_reg_name): Skip empty additional register names.
7601
7602 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7603
7604         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7605         lsm_tmp_name_length): New.
7606         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7607         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7608
7609 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7610             Andreas Krebbel  <krebbel1@de.ibm.com>
7611
7612         * config.gcc: Added z9-109 switch.
7613         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7614         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7615         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7616         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7617         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7618         for "z9_109" cpu attribute.
7619         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7620         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7621         (s390_handle_arch_option): Added z9-109 switch.
7622         (override_options): Set respective cost function for z9-109.
7623         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7624         (legitimate_reload_constant_p): Accept extended immediates.
7625         (print_operand): Three new output modifiers added: k, m and o.
7626         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7627         (s390_output_mi_thunk): Use extended immediate when possible.
7628         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7629         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7630         (CONSTRAINT_LEN): Added length of O constraint.
7631         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7632         * config/s390/s390.md ("cpu"): New value z9_109 added.
7633         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7634         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7635         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7636         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7637         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7638         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7639         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7640         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7641         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7642         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7643         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7644         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7645         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7646         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7647         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7648         immediates.
7649         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7650         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7651         insns for TARGET_EXTIMM.
7652
7653 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7654
7655         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7656
7657 2005-08-17  Nick Clifton  <nickc@redhat.com>
7658
7659         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7660         Call default_encode_section_info.
7661
7662 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7663
7664         PR tree-optimization/21574
7665         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7666         constant, return CONSTANT.
7667         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7668         (ccp_fold, visit_assignment): Likewise.
7669         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7670
7671 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7672
7673         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7674         fold_buildN instead of buildN then fold_initializer or fold.
7675         (build_unary_op): Likewise.
7676         (build_binary_op): Likewise.
7677         * fold-const.c (fold_initializer): Remove.
7678         (fold_build1_initializer): New function.
7679         (fold_build2_initializer): New function.
7680         (fold_build3_initializer): New function.
7681         * tree.h (fold_initializer): Remove.
7682         (fold_build1_initializer): New function.
7683         (fold_build2_initializer): New function.
7684         (fold_build3_initializer): New function.
7685
7686 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7687
7688         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7689         (try_move_mult_to_index): Call fold_build2 instead of build2.
7690         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7691         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7692         fold_binary_to_constant.
7693         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7694         fold (build.
7695         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7696         check if A == gcd (A, B).  Remove TYPE argument.
7697         (analyze_offset) Use fold_build2 instead of fold (build.
7698         (create_data_ref): Likewise.
7699         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7700         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7701         then fold.
7702
7703 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7704
7705         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7706         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7707
7708 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7709
7710         PR tree-opt/23402
7711         * gimplify.c (zero_sized_type): New function.
7712         (gimplify_modify_expr_rhs): If we have a zero sized type,
7713         replace the statement with an empty statement.
7714
7715 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7716
7717         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7718         fxsave.
7719
7720 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7721
7722         * doc/tm.texi (Label Output): Correct typo.
7723
7724 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7725
7726         PR target/23376
7727         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7728         force_operand will work later on using have_insn_for.
7729
7730 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7731
7732         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7733
7734 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7735
7736         PR c++/23337
7737         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7738         vector type, don't try to construct it element by element.  Add an
7739         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7740
7741 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7742
7743         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7744
7745 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7746
7747         * doc/invoke.texi (Precompiled Headers): Document some more options
7748         which are known to be safe.
7749
7750 2005-08-16  James E Wilson  <wilson@specifix.com>
7751
7752         PR tree-optimization/21105
7753         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7754         TREE_OVERFLOW check.
7755
7756 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7757
7758         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7759         (neg_ltu<mode>): Same.
7760         (gtu<mode>): Same.
7761         (neg_gtu<mode>): Same.
7762
7763 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7764
7765         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7766         (fold_builtin_isdigit): Use fold_buildN.
7767         (build_function_call_expr): Likewise.
7768         * c-typeck.c (c_finish_loop): Likewise.
7769
7770 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7771             Richard Shann <rshann@superh.com>
7772
7773         PR middle-end/20396:
7774         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7775
7776 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7777
7778         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7779
7780 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7781
7782         PR target/23355
7783         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7784         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7785         must be saved.
7786
7787 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7788
7789         PR middle-end/23369
7790         * fold-const.c (build_range_check): Disable optimization for function
7791         pointer expressions on targets that require function pointer
7792         canonicalization.
7793
7794 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7795
7796         * simplify-rtx.c (simplify_const_relational_operation): When
7797         extracting arguments of a COMPARE, recompute the mode as well.
7798
7799 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7800
7801         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7802
7803 2005-08-15  DJ Delorie  <dj@redhat.com>
7804
7805         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7806         the stack.
7807         (movsi_splittable): Allow, but split, moves to the stack.
7808         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7809         stack.
7810
7811 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7812
7813         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7814         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7815         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7816
7817         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7818         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7819         Delete HOST_PTR_PRINTF.
7820
7821         * configure, config.in: Regenerate.
7822
7823 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7824
7825         * config/rs6000/rs6000.md (QHSI): New mode macro.
7826         (wd): Extend mode attr for QImode and HImode
7827         (dbits): New mode attr.
7828         (zero_extend<mode>di2): Convert to mode macro.
7829
7830 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7831
7832         PR target/21841
7833         * doc/invoke.texi (-mgnu-ld): Update description.
7834         (-mhp-ld): Ditto.
7835
7836 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7837
7838         PR 23391
7839         * Makefile.in (tree-chrec.o): Depends on real.h.
7840         * tree-chrec.c: Include real.h.
7841         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7842         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7843         * tree-scalar-evolution.c (add_to_evolution_1,
7844         interpret_rhs_modify_expr): Ditto.
7845
7846 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7847
7848         PR 23386
7849         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7850         step is negative compute the estimation from init downwards to zero.
7851
7852 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7853
7854         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7855
7856 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7857
7858         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7859         constraint.
7860         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7861         Accept double-word constants that can be split.
7862         * config/s390/s390.md ("movti"): Use 'P' constraint.
7863         ("*movdi_31", "*movdf_31"): Likewise.
7864
7865 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7866
7867         Fix PR tree-optimization/22615
7868
7869         * tree-ssa-structalias.c (solution_set_add): Handle
7870         first_vi_for_offset returning NULL.
7871         (do_da_constraint): Ditto.
7872         (do_sd_constraint): Ditto.
7873         (do_ds_constraint): Ditto
7874         (find_func_aliases): Ditto.
7875         (build_constraint_graph): RHS is allowed be ANYTHING.
7876         (first_vi_for_offset): Return NULL if we couldn't find anything at
7877         the offset.
7878
7879 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7880
7881         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7882         over memory as first operand.
7883
7884 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7885
7886         PR target/23360
7887         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7888         available for setting it.
7889
7890 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7891
7892         PR tree-optimization/23320
7893         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7894         data-refs' types instead of base object nullness. Add check for
7895         pointer type data-refs before first location comparison. Remove
7896         assert.
7897
7898 2005-08-14  Andreas Schwab  <schwab@suse.de>
7899
7900         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7901
7902 2005-08-13  James E Wilson  <wilson@specifix.com>
7903
7904         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7905         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7906         -fstack-protector-all, --param ssp-buffer-size): Document.
7907         (-Wvariadic-macros): Alphabetize.
7908         (-fsched-stalled-insns-dep): Add missing 'f'.
7909
7910         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7911         macros.
7912
7913 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7914
7915         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7916         or indirect address operand.
7917         (EXTRA_ADDRESS_CONSTRAINT): New.
7918         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7919
7920 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7921
7922         PR tree-optimization/22236
7923         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7924         successors and predecessors.
7925         * tree-chrec.c (chrec_convert): Before converting, check that
7926         sequences don't wrap.
7927         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7928         (analyze_array): Extern.
7929         (find_data_references_in_loop): Remove call to
7930         compute_estimated_nb_iterations.
7931         * tree-data-ref.h (analyze_array): Declared.
7932         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7933         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7934         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7935         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7936         condition.
7937         * tree-ssa-loop-ivcanon.c: Fix documentation.
7938         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7939         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7940         (infer_loop_bounds_from_undefined): New.
7941         (estimate_numbers_of_iterations_loop): Use
7942         infer_loop_bounds_from_undefined.
7943         (used_in_pointer_arithmetic_p): New.
7944         (scev_probably_wraps_p): Pass an extra parameter.  Call
7945         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7946         (convert_step): Fix documentation.
7947         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7948         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7949         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7950         scev_probably_wraps_p.
7951
7952 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7953
7954         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7955         (s390_register_info): Ignore clobbered_regs information for fixed
7956         registers, and only fixed registers.
7957         (s390_init_frame_layout): Remove redundant call.
7958
7959 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7960
7961         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7962         description of -Wold-style-casts.
7963
7964 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7965             Jakub Jelinek  <jakub@redhat.com>
7966
7967         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7968         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7969         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7970         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7971         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7972         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7973         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7974         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7975         ("stack_protect_set", "stack_protect_test"): New expanders.
7976         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7977         "stack_protect_testdi"): New insn definitions.
7978
7979 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7980
7981         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7982
7983 2005-08-12  Paul Brook  <paul@codesourcery.com>
7984
7985         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7986
7987 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7988
7989         * config/s390/predicates.md (setmem_operand): New predicate.
7990         (shift_count_operand): Accept ANDs with special constants as
7991         operand.
7992         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7993         with special constants.
7994         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7995         shift_count_operand with setmem_operand.
7996
7997 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7998
7999         * config/s390/s390.c (s390_extract_part, s390_single_part):
8000         Type cast added.
8001         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8002         (s390_output_mi_thunk): Don't use lg on 31 bit.
8003         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8004         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8005
8006 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8007
8008         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8009         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8010         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8011         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8012         with one of the new macros.
8013
8014 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8015
8016         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8017         Don't set save_return_addr_p.
8018         (s390_register_info): Make clobbered_regs not depending on
8019         save_return_addr_p.
8020
8021 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8022
8023         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8024         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8025
8026 2005-08-11  James E. Wilson  <wilson@specifix.com>
8027
8028         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8029
8030 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8031
8032         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8033         locations gathered by var-tracking in single entry loc_list
8034         over loc_descriptor_from_tree.
8035
8036         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8037         pass it down to loc_descriptor.
8038         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8039         (containing_function_has_frame_base): Move earlier in the file.
8040         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8041         instead of always assuming fbreg can't be used.
8042
8043 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8044
8045         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8046         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8047         Accept address wrapped in AND for Altivec.
8048         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8049         Strip AND wrapping offset address for Altivec.
8050
8051 2005-08-11  Richard Henderson  <rth@redhat.com>
8052
8053         PR middle-end/23312
8054         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8055         before using TYPE_IS_SIZETYPE.
8056
8057 2005-08-11  Richard Henderson  <rth@redhat.com>
8058
8059         PR target/22225
8060         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8061         insn types not present on ev4.
8062         (alphaev5_insn_pipe): Similarly.
8063
8064 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8065
8066         PR target/23250
8067         * arm.c (arm_override_options): If the user has selected callee-super-
8068         interworking, then enable normal interworking.
8069
8070 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8071
8072         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8073         redefinition.
8074
8075 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8076
8077         * doc/rtl.texi: Fix two typos.
8078
8079 2005-08-11  Richard Guenther  <rguenther@suse.de>
8080
8081         PR target/23289
8082         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8083         cases where we call to/from functions returning void.
8084
8085 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8086
8087         PR c++/23225
8088         * tree.c (build_pointer_type_for_mode): Robustify.
8089
8090 2005-08-10  James E Wilson  <wilson@specifix.com>
8091
8092         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8093         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8094
8095         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8096         "cum->".
8097
8098 2005-08-10  Eric Christopher  <echristo@apple.com>
8099
8100         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8101         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8102         V2DFmode.
8103
8104 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8105
8106         PR target/21887
8107         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8108         for the high part when generating dynamic-no-pic code.
8109
8110 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8111
8112         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8113         (x86_64-*-linux*): Likewise.
8114
8115         * config/i386/crtfastmath.c: New file.
8116         * config/i386/t-crtfm: Likewise.
8117
8118         * config/i386/linux.h (ENDFILE_SPEC): New.
8119         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8120
8121         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8122         crtfastmath.o.
8123
8124 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8125
8126         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8127         (vec_shl, vec_shr): Document new operations.
8128         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8129
8130 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8131
8132         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8133         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8134         change predicate to indexed_or_indirect_address.
8135
8136 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8137
8138         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8139         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8140         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8141         and __aeabi_uwrite8.
8142         * config/arm/unaligned-funcs.c: New file.
8143         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8144
8145 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8146
8147         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8148         Add dump.
8149         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8150         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8151         Add dump.
8152         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8153         * final.c (pass_shorten_branches): Add dump.
8154         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8155         (pass_life): Rename dump.
8156         (rest_of_handle_flow2): Remove initial verify_flow_info.
8157         * function.c (pass_instantiate_virtual_regs): Add dump.
8158         * integrate.c (pass_initial_value_sets): Add dump.
8159         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8160         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8161         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8162         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8163         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8164         gate_rtl_unrool_and_peel_loops): New.
8165         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8166         rtl_doloop): Do not look at flags.
8167         * mode-switching.c (pass_mode_switching): Add dump.
8168         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8169         pass_split_before_regstack): Add dump.
8170         * regmove.c (pass_stack_adjustments): Add dump.
8171         * tree-optimize.c (pass_fixup_cfg): Add dump.
8172
8173 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8174
8175         PR 23309
8176         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8177         deciding which instruction sequence to use.
8178
8179 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8180
8181         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8182         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8183
8184 2005-08-09  Richard Guenther  <rguenther@suse.de>
8185
8186         * c-common.c (builtin_function_2): Remove.
8187         (def_builtin_1): New function.
8188         (c_common_nodes_and_builtins): Use def_builtin_1 to
8189         build builtin functions.
8190
8191 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8192
8193         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8194         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8195         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8196         Visual DSP.
8197
8198 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8199
8200         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8201         fold_binary instead of fold_build2 since we don't care about the
8202         resulting tree.
8203         (loop_niter_by_eval): Likewise.
8204         (compare_trees): Likewise.
8205         (proved_non_wrapping_p): Likewise.
8206
8207 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8208
8209         PR c/23161
8210         PR c/23165
8211         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8212         if the if is really empty.
8213
8214 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8215
8216         PR tree-optimization/23234
8217         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8218         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8219         argument of the new enum.
8220         (execute_cse_reciprocals): Add reciprocals for function arguments
8221         on the unique successor edge of the entry block.  Update other calls
8222         to execute_cse_reciprocals_1.
8223
8224 2005-08-08  Richard Henderson  <rth@redhat.com>
8225
8226         PR 22439
8227         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8228
8229 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8230
8231         * expr.c (write_complex_part): Return after handling MEM.
8232
8233 2005-08-08  Josh Conner  <jconner@apple.com>
8234
8235         PR rtl-optimization/23241
8236         * combine.c (simplify_comparison): Fix error in determining
8237         whether to lift a subreg from comparison.
8238
8239 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8240
8241         PR target/18506
8242         * config/rs6000/altivec.md (vec_init<mode>): New.
8243         (vec_set<mode>): New.
8244         (vec_extract<mode>): New.
8245         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8246         (rs6000_expand_vector_set): New.
8247         (rs6000_expand_vector_extract): New.
8248         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8249         for Altivec modes before reload.
8250         (altivec_expand_vec_init_builtin): New.
8251         (get_element_number): New.
8252         (altivec_expand_vec_set_builtin): New.
8253         (altivec_expand_vec_ext_builtin): New.
8254         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8255         builtins.
8256         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8257         builtins.
8258         * config/rs6000/rs6000.h (rs6000_builtins): Add
8259         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8260         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8261         * config/rs6000/rs6000-protos.h: Declare new functions.
8262
8263 2005-08-08  Jan Hubicka  <jh@suse.cz>
8264
8265         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8266         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8267         * i386.md (movdi*): Use pic_32bit_operand.
8268         * predicates.md (pic_32bit_operand): New.
8269
8270 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8271
8272         PR c++/21166
8273         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8274
8275 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8276
8277         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8278         (test_for_singularity): Use fold_build2.
8279
8280 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8281
8282         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8283
8284 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8285
8286         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8287         (COMMON_ASM_OP) Define.
8288         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8289         (ix86_encode_section_info): Likewise.
8290         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8291         SUBTARGET_ENCODE_SECTION_INFO.
8292
8293 2005-08-06  Richard Henderson  <rth@redhat.com>
8294
8295         PR 21894
8296         * tree-nested.c (convert_local_reference): Save and restore val_only
8297         around component_ref and friends.  Clear walk_subtrees by default.
8298
8299 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8300
8301         PR 21366
8302         * gcc.c (process_command): Check the argument to -b has a dash.
8303         * doc/invoke.texi: Update -b and -V docs.
8304
8305 2005-08-06  James E Wilson  <wilson@specifix.com>
8306
8307         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8308
8309 2005-08-06  Michael Matz  <matz@suse.de>
8310
8311         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8312         member only if only one insn is associated with the value.
8313
8314 2005-08-06  Nick Clifton  <nickc@redhat.com>
8315
8316         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8317         New define.
8318         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8319         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8320         Check symbol flags instead of symbol name mangling.
8321         (xstormy16_asm_output_aligned_common): Likewise.  Also
8322         simplify code since the bss100_section cass is the only case
8323         where the below100 code will be triggered.
8324         (xstormy16_encode_section_info): Encode below100 attribute
8325         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8326         the name.
8327         (xstormy16_strip_name_encoding): Delete - this function is no
8328         longer needed.
8329         (TARGET_STRIP_NAME_ENCODING): Undefine.
8330         * config/stormy16/stormy16-protos.h: Delete prototype for
8331         xstormy16_strip_name_encoding.
8332
8333 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8334
8335         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8336         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8337         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8338         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8339         config/alpha/predicates.md, config/arc/arc.h,
8340         config/arm/arm.h, config/arm/ieee754-df.S,
8341         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8342         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8343         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8344         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8345         config/m68hc11/m68hc11.h, config/mips/mips.c,
8346         config/mips/mips.h, config/mips/openbsd.h,
8347         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8348         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8349         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8350         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8351         config/sparc/linux.h, config/sparc/linux64.h,
8352         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8353         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8354         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8355         typos.  Follow spelling conventions.
8356
8357 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8358
8359         PR c/23113
8360         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8361         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8362         specially.  Check for side effects only for COND_EXPR.
8363         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8364         return with TREE_NO_WARNING.
8365
8366 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8367
8368         PR rtl-optimization/23233
8369         * loop.c (combine_movables): Require the modes to be the same.
8370         (move_movables): Remove handling of cases where the replacement
8371         had a different mode to the original.
8372
8373 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8374
8375         PR tree-optimization/23128
8376         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8377         subtraction wrap, and set TREE_OVERFLOW if they do.
8378
8379 2005-08-05  Richard Henderson  <rth@redhat.com>
8380
8381         PR 21728
8382         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8383         FORCED_LABEL labels.
8384
8385 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8386
8387         PR middle-end/23135
8388         * reload.c (find_reloads_subreg_address): Pass down TYPE
8389         unchanged.  Change all callers except find_reloads_toplev.
8390
8391 2005-08-05  Michael Matz  <matz@suse.de>
8392
8393         * genattrtab.c (current_alternative_string): Remove.
8394         (SIMPLIFY_ALTERNATIVE): Ditto.
8395         (attr_alt_bit_p): Ditto.
8396         (alternative_name): Make const char *.
8397         (evaluate_eq_attr): Remove use of above things.
8398         (simplify_test_exp): Ditto.
8399         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8400         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8401
8402 2005-08-04  James E Wilson  <wilson@specifix.com>
8403
8404         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8405         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8406         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8407         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8408         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8409
8410 2005-08-04  Richard Henderson  <rth@redhat.com>
8411
8412         PR 21529
8413         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8414         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8415         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8416         if we'd have to instantiate too many members.
8417
8418 2005-08-04  Richard Henderson  <rth@redhat.com>
8419
8420         PR 21291
8421         * tree-outof-ssa.c (coalesce_asm_operands): New.
8422         (coalesce_ssa_name): Use it.  Split out ...
8423         (coalesce_phi_operands, coalesce_result_decls): ... these.
8424
8425 2005-08-04  Paul Brook  <paul@codesourcery.com>
8426
8427         * read-rtl.c (read_quoted_string): Break if EOF.
8428
8429 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8430
8431         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8432         (fold_build2): Likewise.
8433         (fold_build3): Likewise.
8434         (fold_build1_stat): New function prototype.
8435         (fold_build2_stat): Likewise.
8436         (fold_build3_stat): Likewise.
8437         * fold-const.c (fold_build1): Rename to ..
8438         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8439         through to build1_stat.
8440         (fold_build2): Rename to ..
8441         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8442         through to build2_stat.
8443         (fold_build3): Rename to ..
8444         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8445         through to build3_stat.
8446
8447 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8448             Ian Lance Taylor  <ian@airs.com>
8449
8450         * function.c (assign_stack_local_1): Do not correct stack slot
8451         address if allocation size is smaller than mode size.
8452
8453 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8454
8455         PR 22037
8456         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8457         (tree_merge_blocks): Propagate anything allowed by
8458         may_propagate_copy.
8459         Clarify documentation.
8460         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8461         SSA form, schedule an update if necessary.
8462
8463 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8464
8465         * doc/install.texi (Binaries): Remove broken link to
8466         Sinix/Reliant Unix binaries.
8467
8468 2005-08-03  Richard Henderson  <rth@redhat.com>
8469
8470         PR 23221
8471         * function.c (stack_protect_epilogue): Export.
8472         * tree.h (stack_protect_epilogue): Declare.
8473         * calls.c (expand_call): Call it.
8474
8475 2005-08-03  Eric Christopher  <echristo@apple.com>
8476
8477         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8478         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8479         spec.
8480
8481 2005-08-04  Jan Hubicka  <jh@suse.cz>
8482
8483         * profile.c (branch_prob): Split edges with goto locus on them
8484         to get proper line counts.
8485         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8486
8487 2005-08-03  Paul Brook  <paul@codesourcery.com>
8488
8489         * function.c (assign_parms): Round current_function_args_size
8490         to PARM_BOUNDARY, not STACK_BOUNDARY.
8491
8492 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8493
8494         * config/i386/i386.c (x86_elf_aligned_common)
8495         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8496
8497 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8498
8499         PR tree-optimization/23157
8500         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8501         before emitting them.
8502
8503 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8504
8505         PR tree-optimization/19899
8506         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8507         * tree-scalar-evolution.c: Include real.h.
8508         (add_to_evolution): Build constant -1 of correct type.
8509
8510 2005-08-03  Jan Hubicka  <jh@suse.cz>
8511
8512         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8513         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8514         profile updating for complette unrolling.
8515         * loop-unroll.c (peel_loop_completely): Use it.
8516         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8517         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8518         loops.
8519
8520 2005-08-03  Paul Brook  <paul@codesourcery.com>
8521
8522         * combine.c (can_change_dest_mode): New function.
8523         (try_combine, simplify_set): Use it.
8524
8525 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8526
8527         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8528         TFmode to BLKmode.
8529
8530 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8531
8532         * doc/install.texi (Specific): Adjust link to openavr.org.
8533         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8534         (Binaries): Adjust HP-UX Porting Center link.
8535         (Binaries): Adjust Free Software Foundation ordering link.
8536
8537 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8538
8539         * convert.c (convert_to_integer): Use fold_build1 instead of
8540         build1 when converting an integer to an integer.
8541
8542 2005-08-02  Richard Henderson  <rth@redhat.com>
8543
8544         * combine.c (combine_instructions): Don't use reg_equal/equiv
8545         results if the mode doesn't match.
8546
8547 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8548
8549         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8550         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8551
8552 2005-08-02  Richard Henderson  <rth@redhat.com>
8553
8554         PR 23196
8555         * explow.c (memory_address): Remove special-case for
8556         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8557
8558 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8559
8560         PR 23164
8561         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8562         number of calls to cleanup_tree_cfg_1.
8563
8564 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8565
8566         * doc/invoke.texi: document file extensions .F90 and .F95
8567
8568 2005-08-02  Richard Guenther  <rguenther@suse.de>
8569
8570         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8571         positive if its first argument is positive.
8572
8573 2005-08-02  Richard Guenther  <rguenther@suse.de>
8574
8575         PR tree-optimization/23177
8576         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8577         on TMR_TAG.
8578
8579 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8580
8581         PR tree-optimization/23129
8582         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8583         varying for divisions with anti-ranges.
8584
8585 2005-08-02  Jan Hubicka  <jh@suse.cz>
8586
8587         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8588         * tree-ssa-threadupdate.c (thread_block): Add it here.
8589
8590 2005-08-01  James E Wilson  <wilson@specifix.com>
8591
8592         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8593         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8594         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8595         New.
8596         * config/mips/predicates.md (const_call_insn_operand): Add check for
8597         SYMBOL_REF_LONG_CALL_P.
8598         * doc/extend.texi (long_call): Document the new attribute.
8599
8600 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8601             Richard Henderson  <rth@redhat.com>
8602
8603         * Makefile.in (RTL_BASE_H): Add real.h.
8604         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8605         instead of memcpy.
8606         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8607         directly.
8608         * rtl.c (rtl_check_failed_code_mode): New.
8609         * rtl.h (struct rtx_def): Add u.rv.
8610         (XCMWINT, XCNMPRV): New.
8611         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8612         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8613
8614 2005-08-01  Richard Henderson  <rth@redhat.com>
8615
8616         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8617         with auto-inc codes.
8618
8619         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8620
8621 2005-08-01  Jan Hubicka  <jh@suse.cz>
8622
8623         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8624         * i386.c: Include dwarf2.h
8625         (asm_preferred_eh_data_format): New.
8626         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8627
8628 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8629
8630         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8631         randomize_va_space for virtual address randomization control.
8632
8633 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8634
8635         * common.opt (flag_ipa_cp): Put in right place to maintain
8636         alphabetic sort.
8637
8638 2005-08-01  Jan Hubicka  <jh@suse.cz>
8639
8640         * profile.c (compute_value_histograms): Fix thinko.
8641         * value-prof.c: Include toplev.h
8642         (check_counter): New function.
8643         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8644         tree_mod_subtract_transform): Add sanity check.
8645
8646 2005-08-01  Richard Guenther  <rguenther@suse.de>
8647
8648         PR tree-optimization/23133
8649         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8650         current functions parameter decls to find defs to cse
8651         reciprocals of.
8652
8653 2005-08-01  Richard Guenther  <rguenther@suse.de>
8654
8655         PR tree-optimization/23109
8656         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8657         If trapping math is in effect, use post-dominator information
8658         to check if we'd in any case reach a trapping point before
8659         doing the reciprocal insertion.
8660         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8661         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8662         expressions are invariant only if trapping math is not in effect.
8663
8664 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8665
8666         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8667         cgraph_function_versioning): New declarations.
8668         * cgraphunit.c: Add include to ipa-prop.h.
8669         (update_call_expr, cgraph_copy_node_for_versioning,
8670         cgraph_function_versioning): New functions.
8671         * integrate.c (copy_decl_for_inlining): Remove.
8672         * ipa-prop.h (ipa_replace_map): New struct.
8673         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8674         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8675         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8676         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8677         ipcp_iterate_stage, ipcp_method_scale_print,
8678         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8679         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8680         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8681         ipcp_update_bb_counts, ipcp_update_profiling,
8682         ipcp_update_edges_counts): New functions.
8683         (ipcp_method_cval_init): Remove restriction regarding local methods.
8684         (ipcp_init_stage): Add ipcp_method_compute_scale.
8685         (ipcp_insert_stage): Add versioning.
8686         (ipcp_structures_print): Add ipcp_method_scale_print.
8687         (ipcp_driver): Dump profiling info.
8688         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8689         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8690         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8691         (struct inline_data): Add versioning_p, ipa_info, new fields.
8692         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8693         declare_return_variable): Replace calls to copy_decl_for_inlining with
8694         copy_decl_for_dup.
8695         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8696         versioning support.
8697         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8698         Add argument VERSIONING.
8699         (copy_arguments_for_versioning, copy_static_chain,
8700         function_versionable_p, tree_versionable_function_p,
8701         tree_function_versioning, replace_ref_tree): New functions.
8702         * tree-inline.h: Include varray.h.
8703         (tree_versionable_function_p,  tree_function_versioning,
8704         tree copy_decl_for_dup): New declarations.
8705
8706 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8707
8708         * ipa-cp.c: New file. Contains IPCP specific functionality.
8709         * ipa-prop.h: New file. Contains structures/definitions that can be
8710         used by several interprocedural data flow optimizations (and also IPCP).
8711         * ipa-prop.c: New file.
8712         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8713         * common.opt: Add ipa-cp flag.
8714         * timevar.def: Add IPCP optimization.
8715         * tree-optimize.c (init_tree_optimization_passes): Schedule
8716         pass_ipa_cp.
8717         * tree-pass.h (pass_ipa_cp): Declare.
8718
8719 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8720
8721         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8722         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8723         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8724         config/i386/i386.c, config/mips/mips.h,
8725         config/rs6000/rs6000.h, config/sh/sh.c,
8726         config/stormy16/stormy16.c: Fix comment typos.
8727
8728 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8729
8730         PR c/22311
8731         * c-typeck.c (build_binary_op): Use common_type wrapper on
8732         shortened types.
8733         (common_type): Update comment.
8734
8735 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8736
8737         PR target/23095
8738         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8739         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8740         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8741
8742 2005-07-31  Jan Hubicka  <jh@suse.cz>
8743
8744         * pretty-print.h (pp_widest_integer): New macro.
8745         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8746         counts.
8747
8748 2005-07-31  Jan Hubicka  <jh@suse.cz>
8749
8750         * output.h (enum section_category): Export from varasm.c
8751         (categorize_decl_for_section): Likewise.
8752         * varasm.c (enum section_category): Kill.
8753         (categorize_decl_for_section): Make global.
8754         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8755         Declare.
8756         * i386.c (ix86_section_threshold): New static variable.
8757         (ix86_in_large_data_p, ix86_encode_section_info,
8758         x86_64_elf_unique_section,
8759         x86_64_elf_select_section): New functions.
8760         (TARGET_ENCODE_SECTION_INFO): Define
8761         (override_options): Enable medium model for PIC.
8762         (ix86_expand_prologue): Expand gen_set_got_rex64.
8763         (legitimate_constant_p): Handle new UNSPECs.
8764         (legitimate_pic_address_disp_p): Likewise.
8765         (legitimize_pic_address): Lower MEDIUM model addressing.
8766         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8767         (enum cmodel): Add MEDIUM_PIC.
8768         (SYMBOL_REF_FAR_ADDR_P): New macro.
8769         (SYMBOL_FLAG_FAR_ADDR): New flag.
8770         * i386.md (movdi): Support medium model.
8771         (set_got_rex64): New pattern.
8772         * i386.opt (mlarge-data-threshold): New flag.
8773         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8774         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8775         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8776         TARGET_ASM_UNIQUE_SECTION): New.
8777
8778         * invoke.texi (-mlarge_data_threshold): Document
8779
8780 2005-07-31  Jan Hubicka  <jh@suse.cz>
8781
8782         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8783         (coalesce_vars): Likewise.
8784         * tree-ssa-live.c (coalesce_cost): New.
8785         (build_tree_conflict_graph): Use coalesce_cost.
8786         * tree-ssa-live.h (coalesce_cost): Declare.
8787
8788 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8789
8790         * arm.md (all peepholes for post-increment operations): Delete.
8791         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8792         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8793         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8794         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8795         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8796
8797 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8798
8799         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8800         non-integral types.
8801
8802 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8803
8804         PR target/22582
8805         * doc/invoke.texi: Document -rdynamic.
8806
8807 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8808
8809         PR c/23143
8810         * c-parser.c (c_parser_parms_list_declarator): Call
8811         mark_forward_parm_decls.
8812         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8813         decls with visibility structure.
8814
8815 2005-07-30  Paul Brook  <paul@codesourcery.com>
8816
8817         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8818
8819 2005-07-30  Paul Brook  <paul@codesourcery.com>
8820
8821         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8822         prototype.
8823         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8824         value for mode.
8825         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8826
8827 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8828
8829         PR c/529
8830         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8831         nested function declarators.
8832         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8833         (grokparms): Call warn_if_shadowing for parameters used within the
8834         parameter list.
8835         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8836         not used within the parameter list.
8837         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8838
8839 2005-07-30  Jan Hubicka  <jh@suse.cz>
8840
8841         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8842         * i386.c (ix86_fixup_binary_operands): Likewise.
8843         (ix86_expand_unary_operator): Likewise.
8844         (ix86_expand_fp_absneg_operator): Likewise.
8845         * optabs.c (expand_vec_cond_expr): Validate dest.
8846
8847 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8848
8849         PR c/21720
8850         * real.c (real_from_string): Also set last bit if there is a
8851         nonzero hex digit beyond GCC's internal precision after ".".
8852
8853 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8854
8855         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8856         define_constants.  Change duplicate values to unassigned numbers.
8857         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8858         (*altivec_vspltsf): New.
8859         (altivec_vperm_v4sf): Delete.
8860         (altivec_vperm_<mode>): Use mode macro V.
8861         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8862         (altivec_predicate_v4sf): Delete.
8863         (altivec_predicate_<mode>): Use mode macro V.
8864         (*altivec_lvesfx): New.
8865         (*altivec_stvesfx): New.
8866         (vec_realign_load_v4sf): Delete.
8867         (vec_realign_load_<mode>): Use mode macro V.
8868         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8869         UNSPECV_SET_VRSAVE.
8870
8871 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8872
8873         PR bootstrap/23131
8874         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8875         string.
8876         * configure: Regenerated.
8877
8878 2005-07-29  Paul Brook  <paul@codesourcery.com>
8879
8880         * doc/install.texi: Add link to GFortran binaries wiki page.
8881
8882 2005-07-29  David Ung  <davidu@mips.com>
8883
8884         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8885         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8886         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8887         * config/mips/mips.md (cpu): Add 5kf name.
8888         (includes): Includes 5k.md.
8889         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8890         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8891         -march flag.
8892
8893 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8894
8895         PR 22550
8896         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8897         (cleanup_tree_cfg): ... here.
8898         Call cleanup_tree_cfg_1 until there are no more cleanups to
8899         do.
8900
8901 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8902
8903         * tree-vrp.c (compare_range_with_value): Return true or false
8904         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8905         EQ_EXPR respectively.
8906
8907 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8908
8909         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8910         Fix comment typos.
8911
8912 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8913
8914         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8915         (tree_ssa_dominator_optimize): Increment it.
8916         (dump_dominator_optimization_stats): Print it.
8917
8918 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8919             Steven Bosscher  <stevenb@suse.de>
8920
8921         PR rtl-optimization/23117
8922         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8923         when head == tail.  Tidy comment.
8924
8925 2005-07-28  Richard Henderson  <rth@redhat.com>
8926
8927         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8928         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8929         * jump.c (rtx_renumbered_equal_p): Likewise.
8930         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8931         CONST_INT and CONST_DOUBLE.
8932         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8933         * reload.c (operands_match_p): Special case CONST_INT and
8934         CONST_DOUBLE; check mode earlier.
8935
8936 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8937
8938         PR c/22240
8939         * c-typeck.c (convert_for_assignment): Do not check
8940         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8941
8942 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8943
8944         PR c/22192
8945         * c-typeck.c (composite_type): Prefer constant size arrays to
8946         VLAs.
8947
8948 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8949
8950         PR c/21720
8951         * real.c (real_from_string): Set last bit if there is a nonzero
8952         hex digit beyond GCC's internal precision.
8953
8954 2005-07-28  Richard Henderson  <rth@redhat.com>
8955
8956         PR rtl-opt/22619
8957         * cfgcleanup.c (try_forward_edges): Watch out for end of
8958         insn chain.
8959
8960 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8961
8962         PR c/23106
8963         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8964
8965 2005-07-28  Jan Hubicka  <jh@suse.cz>
8966
8967         * Makefile.in (rtl-profile.o): Kill all traces of it.
8968         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8969         * coverage.h (rtl_coverage_counter_ref): Kill.
8970         * opts.c (flag_speculative_prefetching_set): Kill.
8971         (flag_loop_optimize_set): New.
8972         (common_handle_option): Disable loop optimizer when profiling;
8973         do not handle speculative prefetching.
8974         * passes.c (init_optimization_passes): Replace pass_profiling combo
8975         by branch_prob pass.
8976         * profile.c (compute_value_histograms): Update for simplified value
8977         profiles.
8978         (rtl_register_profile_hooks): Kill.
8979         (pass_profiling): Kill.
8980         (rest_of_handle_branch_prob): Do not profile.
8981         * toplev.c (process_options): Remove speculative prefetching.
8982         * toplev.h (flag_tree_based_profiling): Kill.
8983         * tree-profile.c (prepare_instrumented_value,
8984         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8985         tree_gen_one_value_profiler, do_tree_profiling): Update for
8986         simplified datastructures.
8987         * value-prof.c: Add comment that speculative prefetching was dropped;
8988         update rest of file for simplified datastructures.
8989         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8990         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8991         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8992         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8993         rtl_mod_subtract, gen_speculative_prefetch,
8994         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8995         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8996         (gate_handle_value_profile_transformations,
8997         rest_of_handle_value_profile_transformations,
8998         pass_value_profile_transformations): Kill.
8999         * value-prof.h (histogram_value_t): Remove IL based unions.
9000         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9001         rtl_profile_hooks): Remove hooks.
9002
9003         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9004
9005         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9006         (cgraph_clone_node): Likewise.
9007         * cgraph.h (cgraph_clone_edge): Update prototype.
9008         (cgraph_clone_node): Likewise.
9009         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9010         cgraph_clone_node.
9011         (lookup_recursive_calls): Consider profile.
9012         (cgraph_decide_recursive_inlining): Fix updating; use new
9013         probability argument; use profile.
9014         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9015         * tree-inline.c (copy_bb): Update clal of clone_edge.
9016         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9017
9018         * invoke.texi (min-inline-recursive-probability): Document.
9019
9020 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9021
9022         * doc/install.texi (Configuration): Update Valgrind homepage.
9023
9024 2005-07-28  Richard Henderson  <rth@redhat.com>
9025
9026         PR middle-end/21362
9027         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9028         labels we want to delete.
9029         (cfg_layout_merge_blocks): Likewise.
9030
9031 2005-07-28  Richard Henderson  <rth@redhat.com>
9032
9033         PR target/17692
9034         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9035         when expanding to nothing.
9036
9037 2005-07-28  Josh Conner  <jconner@apple.com>
9038
9039         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9040         (cgraph_decide_inlining_of_small_functions): Likewise.
9041
9042 2005-07-28  Josh Conner  <jconner@apple.com>
9043
9044         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9045         direction of badness if negative.
9046         (cgraph_default_inline_p): Add reason to parameters, and assign it
9047         a value.
9048         (cgraph_decide_inlining_of_small_functions): New parameter in call
9049         to cgraph_default_inline_p.
9050         (cgraph_decide_inlining_incrementally): Likewise.
9051         * cgraphunit.c (decide_is_function_needed): Likewise.
9052         * cgraph.h (cgraph_default_inline_p): Likewise.
9053
9054 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9055
9056         * builtins.c: Fix comment typo(s).
9057         * genautomata.c: Likewise.
9058         * gimplify.c: Likewise.
9059         * tree-dfa.c: Likewise.
9060         * tree-flow-inline.h: Likewise.
9061         * tree-into-ssa.c: Likewise.
9062         * tree-ssa-alias.c: Likewise.
9063         * tree-ssa-ccp.c: Likewise.
9064         * tree-ssa-copy.c: Likewise.
9065         * tree-ssa-dce.c: Likewise.
9066         * tree-ssa-dom.c: Likewise.
9067         * tree-ssa-operands.c: Likewise.
9068         * tree-tailcall.c: Likewise.
9069         * tree-vectorizer.c: Likewise.
9070         * tree-vrp.c: Likewise.
9071         * tree.c: Likewise.
9072
9073 2005-07-28  Jeff Law  <law@redhat.com>
9074
9075         * tree-vrp.c (test_for_singularity): Extracted from  ...
9076         (simplify_cond_using_ranges): Attempt to simplify a relational
9077         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9078
9079 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9080
9081         PR tree-optimization/22506
9082         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9083         phis whose argument is constant.
9084
9085 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9086
9087         PR rtl-optimization/18992
9088         Back out this patch:
9089           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9090           PR optimization/12142
9091           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9092           uses of the register in the SET_SRC.  Remove unnecessary argument.
9093
9094         Replace it with this:
9095         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9096         if flag_non_call_exceptions is set and the insn may trap, pass
9097         pc_rtx as dest for recursion.
9098         In SET_SRC part of SET case, if dest is already set, pass it down
9099         unchanged.
9100
9101 2005-07-28  Jan Hubicka  <jh@suse.cz>
9102
9103         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9104         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9105         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9106         roundoff errors.
9107         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9108         profile when available.
9109
9110 2005-07-28  Jan Beulich <jbeulich@novell.com>
9111
9112         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9113         (ia64_print_operand): Describe and handle 'X'.
9114         (ia64_register_move_cost): Also handle FP_REGS.
9115         (ia64_preferred_reload_class): Likewise.
9116         (ia64_secondary_reload_class): Likewise.
9117         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9118         it. Also check for ITANIUM_CLASS_FLDP.
9119         * config/ia64/ia64.h (FP_REGNO_P): New.
9120         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9121         (reg_class): Add FP_REGS.
9122         (REG_CLASS_NAMES): Adjust for it.
9123         (REG_CLASS_CONTENTS): Likewise.
9124         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9125         (REG_CLASS_FROM_LETTER): Handle 'x'.
9126         (CLASS_MAX_NREGS): Handle FP_REGS.
9127         (MEMORY_MOVE_COST): Likewise.
9128         * config/ia64/ia64.md (itanium_class): Add fldp.
9129         (type): Handle fldp.
9130         (movti_internal): More allowable operand combinations. Use ldfp8 when
9131         splitting unnecessary. Remove predicable attribute. Adjust
9132         itanium_class attribute.
9133         (smuldi3_highpart): Remove outdated comment.
9134         (mulditi3, umulditi3, rotlti3): New expanders.
9135         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9136         (absti2): Disabled new insn for future reference.
9137         Respective new splitters.
9138         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9139         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9140         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9141
9142 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9143
9144         PR rtl-optimization/23047
9145         * simplify-rtx.c (simplify_const_relational_operation): Respect
9146         flag_wrapv for comparisons with ABS.
9147
9148 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9149
9150         PR tree-optimization/22493
9151         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9152         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9153
9154 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9155
9156         * config/frv/frv.opt (moptimize-membar): New.
9157
9158         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9159
9160         * config/frv/frv.h: Remove machine_function definition.
9161
9162         * config/frv/frv.c (struct frv_io): New.
9163         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9164         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9165         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9166         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9167         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9168         (frv_reorg): Call frv_optimize_membar when appropriate.
9169         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9170         (frv_expand_builtin): Adjust calls accordingly.
9171         (frv_io_address_cookie): New function.
9172         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9173         load or store rather than a special insn.  Add ccnstant address and
9174         io-type operands to the membar.
9175         (frv_ifcvt_modify_tests): Unsign regno.
9176         (frv_ifcvt_modify_tests): Same.
9177
9178         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9179         UNSPEC_OPTIONAL_MEMBAR constant.
9180         (builtin_read_<mode>): Delete.
9181         (builtin_write_<mode>): Delete.
9182         ("optional_membar_<mode>"): Add operand.
9183
9184         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9185         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9186         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9187         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9188         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9189         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9190         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9191         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9192         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9193
9194 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9195
9196         * df.c (df_uses_record): Handle SCRATCH.
9197
9198 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9199
9200         PR debug/20161
9201         * passes.c (rest_of_decl_compilation): If decl is a type and
9202         we have encountered errors, don't emit debug information.
9203
9204 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9205
9206         * params.def: Fixed comment.
9207
9208 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9209
9210         PR target/19885
9211         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9212         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9213         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9214
9215 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9216
9217         PR c++/22003
9218         * varasm.c (assemble_start_function): Don't do anything that may
9219         require a CFG if the current function is a thunk.
9220
9221 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9222
9223         * doc/install.texi (Prerequisites): Mention that perl is needed
9224         to do export control in libstdc++ targetting Darwin.
9225
9226 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9227
9228         PR rtl-optimization/17808
9229         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9230         (sched_insns_conditions_mutex_p): Split out from...
9231         (add_dependence): ...here.  But don't call it from here.
9232         (add_dependence_list): Check sched_insns_conditions_mutex_p
9233         before calling add_dependence.
9234         (add_dependence_list_and_free): Likewise.
9235         (fixup_sched_groups): Likewise.
9236         (sched_analyze_1): Likewise.
9237         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9238         (sched_analyze): Likewise.
9239         (sched_analyze_insn): Likewise.
9240         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9241         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9242         dependencies on all COND_EXEC insns to jumps ending basic blocks
9243         when doing intrablock scheduling.
9244         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9245
9246 2005-07-27  Jeff Law  <law@redhat.com>
9247
9248         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9249         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9250         equivalency sets, correctly handle the case were vr0 has an
9251         equivalency set, but vr1 does not.
9252
9253 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9254
9255         PR tree-optimization/23073
9256         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9257         vect_print_dump_info before fprintf.
9258
9259 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9260
9261         PR tree-optimize/22348
9262         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9263         Fold the partial computation.
9264
9265 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9266
9267         PR tree-optimization/22325
9268         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9269         Declare.
9270         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9271         value replacement.
9272         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9273         (force_var_cost): ... this function.
9274         (compute_phi_arg_on_exit): Export.
9275
9276 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9277
9278         PR tree-optimization/20773
9279         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9280         edge.
9281
9282 2005-07-27  Richard Guenther  <rguenther@suse.de>
9283
9284         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9285         Avoid pushing again if current struct contains only
9286         fields we decomposed.
9287
9288 2005-07-27  Jan Hubicka  <jh@suse.cz>
9289
9290         PR tree-optimization/22574
9291         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9292         not available.
9293
9294         * tree-tailcall.c (decrease_profile): New function.
9295         (eliminate_tail_call): Use it.
9296
9297         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9298         visibility flags correctly in whole program mode.
9299
9300 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9301
9302         PR rtl-optimization/22472
9303         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9304
9305 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9306
9307         PR tree-optimization/22504
9308         * tree-complex.c (expand_complex_addition): Use 'code' instead
9309         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9310
9311 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9312
9313         * config.gcc (cpu_type): Add frv case.
9314         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9315         (supported_defaults): Add fr550 case.
9316
9317 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9318
9319         PR 22591
9320         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9321         whether a pointer of type T * may point to objects of type T *.
9322
9323 2005-07-26  DJ Delorie  <dj@redhat.com>
9324
9325         * configure: Regenerate.
9326
9327 2005-07-26  Dale Johannesen  <dalej@apple.com>
9328
9329         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9330
9331 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9332
9333         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9334         Clarify use of "build" in name.
9335
9336 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9337
9338         * doc/extend.texi (Raw read/write Functions): New section.
9339         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9340         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9341         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9342         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9343         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9344         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9345         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9346         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9347         * config/frv/frv.c: Add bdesc_loads global.
9348         Add bdesc_stores global.
9349         (frv_init_builtins): Add support for __builtin_{read/write}*.
9350         (frv_volatile_memref): New.
9351         (frv_expand_load_builtin): New.
9352         (frv_expand_store_builtin): New.
9353         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9354         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9355         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9356         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9357         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9358         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9359         (builtin_read_<mode>): New.
9360         (builtin_write_<mode>): New.
9361         (builtin_write64): New.
9362         (optional_membar_<mode>): New.
9363
9364 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9365
9366         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9367         (rather than units) against HOST_BITS_PER_WIDE_INT.
9368
9369 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9370
9371         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9372         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9373         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9374         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9375         FSF address.
9376
9377         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9378         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9379         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9380         comment typos.
9381         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9382
9383 2005-07-26  Richard Guenther  <rguenther@suse.de>
9384
9385         PR tree-optimization/22486
9386         * fold-const.c (fold_unary): Fold away useless component
9387         references of the form (T *)&T.x, if the address
9388         doesn't change.
9389
9390 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9391
9392         * dwarf2out.c (add_call_src_coords_attributes): New.
9393         (gen_inlined_subroutine_die): Call it.
9394         (maybe_emit_file, init_file_table): Add comments.
9395         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9396         maybe_emit_file.
9397         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9398         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9399         * tree.h (BLOCK_SOURCE_LOCATION): New.
9400         (struct tree_block): New field locus.
9401
9402 2005-07-26  Andreas Schwab  <schwab@suse.de>
9403
9404         PR rtl-optimization/23043
9405         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9406         when allocating a struct unoccr.
9407
9408 2005-07-25  Richard Henderson  <rth@redhat.com>
9409
9410         PR 22626
9411         * tree-complex.c (gate_no_optimization): True if errors.
9412         * Makefile.in (tree-complex.o): Update dependencies.
9413
9414 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9415
9416         * config/frv/predicates.md (integer_register_operand): Use
9417         GPR_AP_OR_PSEUDO_P.
9418
9419 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9420
9421         PR tree-opt/22484
9422         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9423         after fold.
9424         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9425
9426 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9427
9428         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9429         types when flag_unsafe_math_optimizations is true.
9430
9431 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9432
9433         * gcc.c (option_map): Add --sysroot.
9434         (process_command): Handle --sysroot.
9435         (display_help): Document it.
9436         * doc/cppopts.tex (-isysroot): Document.
9437         * doc/invoke.texi (--sysroot): Document.
9438         * doc/install.texi (--with-build-sysroot): Document.
9439
9440         * Makefile.in (inhibit_libc): New variable.
9441         (INHIBIT_LIBC_CFLAGS): Likewise.
9442         (LIBGCC2_CFLAGS): Include
9443         $(INHIBIT_LIBC_CFLAGS).
9444         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9445         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9446         ($(T)crtend.o): Likewise.
9447         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9448         ($(T)crtendS.o): Likewise.
9449         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9450         ($(T)crtendT.o): Likewise.
9451         (stmp-fixinc): Do not complain about missing headers if
9452         inhibit_libc.
9453         * configure.ac (inhibit_libc): Set it to true/false.
9454         (--with-build-sysroot): New option.  Use it to set
9455         SYSTEM_HEADER_DIR.
9456         * configure: Regenerated.
9457
9458 2005-07-25  Manfred Hollstein  <mh@suse.com>
9459
9460         * calls.c (store_one_arg): Fix unsigned comparison warning.
9461
9462 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9463
9464         PR other/22337
9465         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9466         (ggc_print_statistics): Initialize variable before use.
9467
9468 2005-07-25  Richard Guenther  <rguenther@suse.de>
9469
9470         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9471         calling with a PHI_NODE argument.
9472
9473         * tree-flow-inline.h (overlap_subvar): Protect against
9474         possible overflow.
9475
9476 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9477
9478         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9479         * configure: Regenerate.
9480
9481 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9482
9483         * expr.c (highest_pow2_factor): Make extern.
9484         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9485         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9486         record_array_differ_p, array_ptr_differ_p): Likewise.
9487         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9488         additional cases. Call the above functions.
9489         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9490         base_object_differ_p when there are two base objects. Otherwise, compare
9491         base address and offset. Call may_alias_p.
9492         (dump_data_reference): Use a correct field name.
9493         (analyze_array): Make static. Initialize new data-ref fields.
9494         (analyze_indirect_ref): New function.
9495         (init_data_ref): Initialize new data-ref fields.
9496         (strip_conversion): Moved from tree-vect-analyze.c.
9497         (analyze_offset_expr, get_ptr_offset, address_analysis,
9498         object_analysis): Likewise.
9499         (analyze_offset): New function.
9500         (create_data_ref): Likewise.
9501         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9502         dimensions for ARRAY_REFs only.
9503         (build_classic_dist_vector): Make static.
9504         (access_functions_are_affine_or_constant_p): Call macro to get the
9505         address of access functions.
9506         (compute_all_dependences): Add new parameter
9507         compute_self_and_read_read_dependences. Compute self and read-read
9508         dependences if it is true.
9509         (find_data_references_in_loop): Call create_data_ref. Initialize new
9510         data-ref fields.
9511         (compute_data_dependences_for_loop): Add new parameter
9512         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9513         compute nb_loops. Call compute_all_dependences,
9514         build_classic_dist_vector and build_classic_dir_vector with correct
9515         parameters.
9516         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9517         with correct parameters. Compare dimensions for ARRAY_REFs only.
9518         (free_data_refs): Call macro to free access functions.
9519         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9520         fields from stmt_vinfo.
9521         (struct base_object_info): New structure.
9522         (struct data_reference): Move fields to base_object_info. Add fields
9523         first_location and object_info for above structures. Move fields from
9524         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9525         aligned_to.  Add macros to access the new fields.
9526         Update functions declarations.
9527         * tree-flow.h (is_aliased_with): Declare.
9528         * tree-loop-linear.c (linear_transform_loops): Call
9529         compute_data_dependences_for_loop with correct parameters.
9530         * tree-ssa-alias.c (is_aliased_with): New function.
9531         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9532         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9533         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9534         vect_base_addr_differ_p, compute_subscript_distance and
9535         build_classic_dist_vector. Add printings. Check absolute value of
9536         distance.
9537         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9538         data-refs.
9539         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9540         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9541         to bytes. Add printing.
9542         (vect_compute_data_refs_alignment): Go through loads and stores in one
9543         loop.
9544         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9545         vect_analyze_data_ref_access): Likewise.
9546         (vect_analyze_pointer_ref_access): Remove.
9547         (vect_address_analysis, vect_object_analysis): Likewise.
9548         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9549         and analyze data-refs in the loop.
9550         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9551         fields of data-ref instead of stmt. Add init to the offset from the
9552         base.
9553         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9554         (vect_update_init_of_dr): Likewise.
9555         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9556         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9557         removed fields.
9558         (new_loop_vec_info): Initialize new fields.
9559         (destroy_loop_vec_info): Free new fields.
9560         (vect_strip_conversion): Remove.
9561         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9562         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9563         datarefs. Add new field ddrs.
9564         Add macros for the new fields access.
9565         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9566         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9567         Remove their macros.
9568         * tree.h (highest_pow2_factor): Declare.
9569
9570 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9571
9572         * calls.c (store_one_arg): Check for sibling call MEM arguments
9573         from already clobbered incoming argument area.
9574
9575 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9576
9577         * c-common.c (check_missing_format_attribute): New.
9578         * c-common.h (check_missing_format_attribute): Likewise.
9579         * c-typeck.c (convert_for_assignment): Use it.
9580
9581 2005-07-24  Andreas Schwab  <schwab@suse.de>
9582
9583         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9584         register use a word move.  Correct operand of ext.w in 68000 code.
9585
9586 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9587
9588         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9589         variables as declarations, rather than definitions.
9590
9591 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9592
9593         PR tree-optimization/22526
9594         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9595         of the zero node.
9596
9597 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9598
9599         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9600         that C99 reserve for future use. Use it to define clog10,
9601         clog10f and clog10l.
9602
9603 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9604
9605         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9606         * configure.ac: Check for -Wmissing-format-attribute.
9607
9608         * configure: Regenerate.
9609
9610 2005-07-23  Richard Henderson  <rth@redhat.com>
9611
9612         PR tree-optimization/22623
9613         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9614
9615 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9616
9617         PR target/22577
9618         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9619
9620 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9621
9622         * Makefile.in (C_TREE_H): Update dependencies.
9623         * c-tree.h: Include toplev.h.
9624         * diagnostic.h (diagnostic_set_info): Add format attribute.
9625         * rtl-error.c (diagnostic_for_asm): Likewise.
9626
9627 2005-07-23  Chao-ying Fu  <fu@mips.com>
9628
9629         * config/mips/mips-dsp.md: New file.
9630         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9631         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9632         functions.
9633         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9634         MIPS_BUILTIN_BPOSGE32.
9635         (mips_expand_builtin_direct): Add one parameter to indicate that
9636         builtin functions need to return a value.
9637         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9638         functions.
9639         (mips_regno_to_class): Add classes for 12 new DSP registers.
9640         (mips_subword): Change to check four HI registers.
9641         (mips_output_move): Output move to and from 6 new DSP accumulators.
9642         (override_options): Make sure -mdsp and -mips16 are not used together.
9643         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9644         for machine modes.
9645         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9646         when !TARGET_DSP.
9647         (print_operand): Add 'q' for printing DSP accumulators.
9648         (mips_cannot_change_mode_class): Check ACC_REGS.
9649         (mips_secondary_reload_class): Check ACC_REGS.
9650         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9651         (mips_register_move_cost): Check ACC_REGS.
9652         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9653         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9654         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9655         (dsp_bdesc): New array.
9656         (bdesc_arrays): Add DSP builtin function table.
9657         (mips_prepare_builtin_arg): Check predicate again after
9658         copy_to_mode_reg.
9659         (mips_expand_builtin): Add one more parameter to
9660         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9661         MIPS_BUILTIN_BPOSGE32.
9662         (mips_init_builtins): Initialize new function types.
9663         (mips_expand_builtin_direct): Check if builtin functions need to
9664         return a value and pass operands properly.
9665         (mips_expand_builtin_bposge): New function.
9666         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9667         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9668         (FIRST_PSEUDO_REGISTER): Increase to 188.
9669         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9670         Update for 12 new DSP registers.
9671         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9672         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9673         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9674         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9675         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9676         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9677         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9678         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9679         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9680         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9681         (REGISTER_NAMES): Add names for 12 new DSP registers.
9682         * config/mips/mips.md: Include mips-dsp.md.
9683         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9684         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9685         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9686         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9687         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9688         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9689         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9690         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9691         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9692         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9693         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9694         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9695         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9696         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9697         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9698         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9699         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9700         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9701         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9702         (UNSPEC_RDDSP): New constants.
9703         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9704         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9705         A<-d alternative.
9706         * config/mips/mips.opt (-mdsp): New option.
9707         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9708         (reg_imm10_operand): New predicates.
9709         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9710         * doc/invoke.texi (-mdsp): Document new option.
9711
9712 2005-07-22  DJ Delorie  <dj@redhat.com>
9713
9714         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9715         to warning calls.
9716         * tree-inline.c (inlinable_function_p): Likewise.
9717
9718 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9719
9720         PR debug/21828
9721         * toplev.c (check_global_declarations): Do not mark undefined
9722         variables as DECL_IGNORED_P.
9723         * varasm.c (first_global_object_name): GTY it.
9724         (weak_global_object_name): Likewise.
9725         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9726         a string to go into {weak,first}_global_object_name.
9727
9728 2005-07-22  DJ Delorie  <dj@redhat.com>
9729
9730         * c-format.c (check_function_format): Change warning control
9731         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9732
9733 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9734
9735         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9736         &PTR->FLD a dereference of PTR.
9737         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9738         a potential dereference of PTR.
9739
9740 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9741
9742         PR rtl-optimization/20370
9743         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9744         call allocate_reg_info if necessary.
9745
9746         PR rtl-optimization/21848
9747         * calls.c (emit_library_call_value_1): For const functions, add
9748         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9749
9750         PR rtl-optimization/22445
9751         * cselib.c (target.h): Include.
9752         (rtx_equal_for_cselib_p): Allow commutative matches.
9753         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9754         Remove MODE parameter.  Changed all callers.
9755
9756         PR rtl-optimization/22258
9757         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9758         New functions.
9759         (try_combine): Use likely_spilled_retval_p.
9760
9761 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9762
9763         * config.gcc: Add crx-elf support.
9764
9765         * doc/contrib.texi: Mention crx.
9766         * doc/extend.texi: Document crx extensions.
9767         * doc/install.texi: Document crx install.
9768         * doc/invoke.texi: Document crx options.
9769         * doc/md.texi: Document crx constraints.
9770
9771         * config/crx/crx-protos.h: New file.
9772         * config/crx/crx.c: New file.
9773         * config/crx/crx.h: New file.
9774         * config/crx/crx.md: New file.
9775         * config/crx/crx.opt: New file.
9776         * config/crx/t-crx: New file.
9777
9778 2005-07-22  Manfred Hollstein  <mh@suse.com>
9779
9780         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9781         warnings.
9782         (int_add_graph_edge): Likewise.
9783         (collapse_nodes): Likewise.
9784         (process_unification_queue): Likewise.
9785
9786 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9787             Laurent GUERBY  <laurent@guerby.net>
9788
9789         PR tree-optimization/22336
9790         * function.c (record_block_change): Check for
9791         cfun->ib_boundaries_block.
9792
9793 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9794
9795         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9796         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9797
9798 2005-07-21  DJ Delorie  <dj@redhat.com>
9799
9800         * toplev.c (warn_deprecated_use): Add warning control to warning
9801         call.
9802         * c-typeck.c (parser_build_binary_op): Likewise.
9803         (c_finish_if_stmt): Likewise.
9804         * c-common.c (check_function_sentinel): Likewise.
9805         (check_nonnull_arg): Likewise.
9806
9807 2005-07-21  Richard Henderson  <rth@redhat.com>
9808
9809         PR tree-opt/22504
9810         * tree-complex.c (complex_ssa_name_components): New.
9811         (cvc_lookup): Allow entry not found.
9812         (create_components): Remove.
9813         (create_one_component_var, get_component_var): New.
9814         (get_component_ssa_name, set_component_ssa_name): New.
9815         (extract_component): Use get_component_ssa_name.
9816         (update_complex_components): Use set_component_ssa_name.
9817         (update_complex_components_on_edge): Likewise.
9818         (update_phi_components): Create new PHI nodes directly, instead
9819         of adding insns to edges.
9820         (tree_lower_complex): Allocate and free complex_variable_components
9821         and complex_ssa_name_components here.
9822
9823 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9824
9825         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9826         revert to returning false.
9827
9828 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9829
9830         PR target/21149
9831         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9832
9833 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9834
9835         PR target/22576
9836         * config/i386/i386.md (cmpxf): Change operand constraints
9837         to "nonmemory_operand".
9838
9839 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9840
9841         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9842
9843 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9844
9845         PR middle-end/21180
9846         * fold-const.c (fold_build1): Add checksum for the operands.
9847         (fold_build2): Likewise.
9848         (fold_build3): Likewise.
9849
9850 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9851
9852         PR middle-end/19055
9853         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9854
9855 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9856
9857         * common.opt (-fforward-propagate): Committed by mistake,
9858         removed.
9859
9860 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9861
9862         * reg-stack.c: Fix comment typo(s).
9863         * tree-ssa-operands.c: Likewise.
9864         * tree-vectorizer: Likewise.
9865
9866 2005-07-21  Nick Clifton  <nickc@redhat.com>
9867
9868         * config/sh/symbian.c: Replace C++ style line comments with C
9869         style line comments.
9870         (symbian_add_attribute): Do not use a ? operator on the LHS of
9871         an assignment.
9872         (sh_symbian_handle_dll_attribute): Change the type of the
9873         method vector to "VEC(tree,gc)*" and use vector accessor
9874         macros to walk over the elements.
9875         (symbian_export_vtable_and_rtti_p): Likewise.
9876         (symbian_class_needs_attribute_p): Likewise.
9877
9878 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9879
9880         PR target/22085
9881         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9882         initialize targetm.resolve_overloaded_builtin here.
9883         (altivec_expand_overloaded_builtin): Make it non-static.
9884         * config/rs6000/rs6000-protos.h
9885         (altivec_expand_overloaded_builtin): New prototype.
9886         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9887         targetm.resolve_overloaded_builtin here.
9888         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9889
9890 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9891             Zdenek Dvorak  <dvorakz@suse.cz>
9892
9893         PR tree-optimization/19210
9894         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9895         New.
9896         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9897         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9898         rely on unproven assumptions.
9899         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9900         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9901         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9902         to number_of_iterations_exit.
9903         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9904         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9905         * tree-ssa-loop-niter.c (find_loop_niter,
9906         estimate_numbers_of_iterations_loop): Likewise.
9907         (number_of_iterations_exit): Honor the new options.
9908         * doc/invoke.texi (Wunsafe-loop-optimizations,
9909         funsafe-loop-optimizations): Document them.
9910
9911 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9912
9913         PR rtl-optimization/22167
9914         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9915
9916 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9917
9918         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9919         __do_global_dtors_aux longcall.
9920
9921 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9922
9923         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9924         (old_special_pred_table): Don't reference
9925         SPECIAL_MODE_PREDICATES.
9926         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9927         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9928         * config/sh/predicates.h: Don't mention
9929         SPECIAL_MODE_PREDICATES.
9930         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9931         Remove.
9932
9933 2005-07-20  DJ Delorie  <dj@redhat.com>
9934
9935         * config.gcc: Add m32c-elf support.
9936
9937         * doc/contrib.texi: Mention m32c.
9938         * doc/extend.texi: Document m32c extensions.
9939         * doc/install.texi: Mention m32c.
9940         * doc/invoke.texi: Document m32c options.
9941         * doc/md.texi: Document m32c constraints.
9942
9943         * config/m32c/addsub.md: New file.
9944         * config/m32c/bitops.md: New file.
9945         * config/m32c/cond.md: New file.
9946         * config/m32c/jump.md: New file.
9947         * config/m32c/m32c-lib1.S: New file.
9948         * config/m32c/m32c-lib2.c: New file.
9949         * config/m32c/m32c-modes.def: New file.
9950         * config/m32c/m32c-pragma.c: New file.
9951         * config/m32c/m32c-protos.h: New file.
9952         * config/m32c/m32c.abi: New file.
9953         * config/m32c/m32c.c: New file.
9954         * config/m32c/m32c.h: New file.
9955         * config/m32c/m32c.md: New file.
9956         * config/m32c/m32c.opt: New file.
9957         * config/m32c/minmax.md: New file.
9958         * config/m32c/mov.md: New file.
9959         * config/m32c/muldiv.md: New file.
9960         * config/m32c/predicates.md: New file.
9961         * config/m32c/prologue.md: New file.
9962         * config/m32c/shift.md: New file.
9963         * config/m32c/t-m32c: New file.
9964
9965 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9966
9967         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9968         (stack_protect_set, stack_protect_test): New expanders.
9969         (stack_protect_set_si, stack_protect_set_si_media,
9970         stack_protect_set_di_media, stack_protect_test_si,
9971         stack_protect_test_si_media, stack_protect_test_di_media):
9972         New insns.
9973
9974 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9975
9976         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9977
9978 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9979
9980         * tree.h (tree_expr_nonzero_p): Export.
9981         * fold-const.c (tree_expr_nonzero_p): Likewise.
9982         Return true for CALL_EXPRs that are alloca calls.
9983         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9984         against zero.
9985         * tree-flow.h (expr_computes_nonzero): Remove.
9986         * tree-vrp.c (expr_computes_nonzero): Remove.
9987         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9988         (extract_range_from_unary_expr): Likewise.
9989         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9990         tree_expr_nonzero_p.
9991
9992 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9993
9994         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9995         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9996         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9997         All callers changed.
9998         (frame_related_constant_load): New arg "related" which controls
9999         setting of RTX_FRAME_RELATED_P.  All callers changed.
10000         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10001         (bfin_expand_prologue): Add stack limit checking.
10002         * config/bfin/bfin.md (trapifcc): New pattern.
10003
10004         * config/bfin/bfin.c: Include "langhooks.h".
10005         (def_builtin): Go through lang_hooks to call builtin_function.
10006
10007         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10008         * config/bfin/predicates.md (symbol_ref_operand): New.
10009         (call_insn_operand): Delete.  All callers changed to use
10010         register_no_elim_operand.
10011         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10012         call_cookie field.
10013         (function_arg): Use it to generate the call's operand 2.
10014         (bfin_longcall_p): New function.
10015         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10016         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10017         determine if the address needs to be in a REG.
10018         (bfin_handle_longcall_attribute): New function.
10019         (bfin_attribute_table): Add "longcall" and "shortcall".
10020         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10021         (CUMULATIVE_ARGS): New member call_cookie.
10022         (PREDICATE_CODES): Add symbol_ref_operand.
10023         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10024         extra USE to the pattern.
10025         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10026         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10027         sibcall_value_insn; now the new patterns handle direct calls and the
10028         old ones indirect calls.
10029         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10030
10031 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10032
10033         * doc/trouble.texi: Update section on handling of empty loops.
10034
10035 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10036
10037         * config.gcc: Remove support for sparc-*-openbsd*,
10038         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10039         ns32k-*-netbsd*.
10040         * config.host: Remove support for i860-*-sysv4* as a host.
10041         * config/i860/*, config/ip2k/*, config/ns32k/*,
10042         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10043         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10044         mention obsolete ports.
10045
10046 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10047
10048         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10049         soft frame pointer.
10050         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10051         of frame_pointer_rtx.
10052         (sh_expand_epilogue): Likewise.
10053         (sh_set_return_address): Likewise.
10054         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10055         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10056         offsets from FRAME_POINTER_REGNUM.
10057         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10058         (sh_register_names): Add initializer for sfp.
10059         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10060         (VALID_REGISTER_P): Likewise.
10061         (FIRST_PSEUDO_REGISTER): Update.
10062         (DWARF_FRAME_REGISTERS): Define.
10063         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10064         (HARD_FRAME_POINTER_REGNUM): Define.
10065         (FRAME_POINTER_REGNUM): Redefine.
10066         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10067         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10068         from FRAME_POINTER_REGNUM.
10069         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10070         FRAME_POINTER_REGNUM.
10071         (REG_CLASS_CONTENTS): Add sfp.
10072         (REG_ALLOC_ORDER): Likewise.
10073         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10074         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10075         of frame_pointer_rtx.
10076         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10077
10078 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10079
10080         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10081         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10082         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10083         of an ABS_EXPR.
10084         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10085         ABS_EXPR<x>.
10086
10087 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10088
10089         Make CONSTRUCTOR use VEC to store initializers.
10090         * c-common.c (complete_array_type): Update to cope with VEC in
10091         CONSTRUCTOR_ELTS.
10092         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10093         (pp_c_constructor_elts): New function.
10094         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10095         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10096         struct constructor_stack, struct initializer_stack,
10097         constructor_elements, push_init_level, pop_init_level,
10098         add_pending_init, find_init_member, output_init_element): Update to
10099         cope with VEC in CONSTRUCTOR_ELTS.
10100         * coverage.c (build_fn_info_value, build_ctr_info_value,
10101         build_gcov_info): Likewise.
10102         * expr.c (categorize_ctor_elements_1, store_constructor,
10103         expand_expr_real_1): Likewise.
10104         * fold-const.c (fold_ternary): Likewise.
10105         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10106         gimplify_init_constructor, gimplify_expr): Likewise.
10107         * tree-dump.c (dequeue_and_dump): Likewise.
10108         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10109         node.
10110         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10111         CONSTRUCTOR_ELTS.
10112         * tree-sra.c (generate_element_init_1): Likewise.
10113         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10114         * tree-ssa-operands.c (get_expr_operands): Likewise.
10115         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10116         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10117         (get_initial_def_for_reduction): Likewise.
10118         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10119         value handle in annotations.
10120         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10121         tree_node_structure): Add support for constr_kind.
10122         (build_vector_from_ctor, build_constructor_single,
10123         build_constructor_from_list): New functions.
10124         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10125         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10126         Update to cope with VEC in CONSTRUCTOR_ELTS.
10127         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10128         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10129         CONSTRUCTOR_APPEND_ELT): New macros.
10130         (struct constructor_elt, struct tree_constructor): New data types.
10131         (union tree_node): Add tree_constructor field.
10132         * treestruct.def: Define TS_CONSTRUCTOR.
10133         * varasm.c (const_hash_1, compare_constant, copy_constant,
10134         compute_reloc_for_constant, output_addressed_constants,
10135         initializer_constant_valid_p, output_constant,
10136         array_size_for_constructor, output_constructor): Update to cope with
10137         VEC in CONSTRUCTOR_ELTS.
10138         * vec.h (VEC_empty, VEC_copy): New macros.
10139
10140 2005-07-19  Devang Patel  <dpatel@apple.com>
10141
10142         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10143
10144 2005-07-19  Richard Henderson  <rth@redhat.com>
10145
10146         PR tree-opt/22278
10147         * gimplify.c (gimplify_expr): Use main variant type for the temp
10148         destination for a discarded volatile read.
10149         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10150         casts between non-void types that change volatility.
10151
10152 2005-07-15  DJ Delorie  <dj@redhat.com>
10153
10154         * toplev.h: Add comment about the first parameter for warning().
10155         * errors.h: Likewise.
10156
10157         * c.opt (Wpragmas): New.
10158         * doc/invoke.texi: Document it.
10159
10160         * function.c (do_warn_unused_parameter): Add warning control to
10161         warning call.
10162         * c-decl.c (warn_if_shadowing): Likewise.
10163         * c-lex.c (cb_def_pragma): Likewise.
10164         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10165         (pop_alignment): Likewise.
10166         (handle_pragma_pack): Likewise.
10167         (apply_pragma_weak): Likewise.
10168         (handle_pragma_weak): Likewise.
10169         (handle_pragma_redefine_extname): Likewise.
10170         (add_to_renaming_pragma_list): Likewise.
10171         (handle_pragma_extern_prefix): Likewise.
10172         (maybe_apply_renaming_pragma): Likewise.
10173         (handle_pragma_visibility): Likewise.
10174
10175         * config/c4x/c4x-c.c (BAD): Likewise.
10176         (c4x_parse_pragma): Likewise.
10177         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10178         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10179         (rs6000_pragma_longcall): Likewise.
10180         * config/v850/v850-c.c (pop_data_area): Likewise.
10181         (ghs_pragma_section): Likewise.
10182         (ghs_pragma_section): Likewise.
10183         (ghs_pragma_interrupt): Likewise.
10184         (ghs_pragma_starttda): Likewise.
10185         (ghs_pragma_startsda): Likewise.
10186         (ghs_pragma_startzda): Likewise.
10187         (ghs_pragma_endtda): Likewise.
10188         (ghs_pragma_endsda): Likewise.
10189         (ghs_pragma_endzda): Likewise.
10190
10191 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10192             Kenneth Zadeck <zadeck@naturalbridge.com>
10193
10194         * Makefile.in: Removed tree-promote-statics.c
10195         * tree-promote-statics.c: Removed.
10196         * common.opt: Removed flag-promote-statics.
10197         * opts.c: Ditto.
10198         * passes.c: Removed tree-promote-statics pass.
10199         * tree-pass.h: Ditto.
10200         * timevar.def: Removed TV_PROMOTE_STATICS.
10201
10202
10203 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10204
10205         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10206         and *-*-freebsd9.
10207         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10208
10209 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10210
10211         PR c/22476
10212         * c-common.c (check_function_arguments): Call
10213         'check_function_format' if either -Wformat or
10214         -Wmissing-format-attribute are specified.
10215         * c-format.c (check_function_format): Check -Wformat before
10216         calling 'check_format_info'.
10217         * c-opts.c (c_common_post_options): Don't warn for
10218         -Wmissing-format-attribute without -Wformat.
10219         * c-typeck.c (convert_for_assignment): Detect additional cases for
10220         -Wmissing-format-attribute.
10221         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10222         behavior.
10223
10224 2005-07-19  Richard Guenther  <rguenther@suse.de>
10225
10226         * config/i386/i386.md (lrint<mode>2): Use temporary
10227         instead of clobbering non-existent memory.
10228
10229 2005-07-19  Nick Clifton  <nickc@redhat.com>
10230
10231         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10232         statement to avoid displaying ASCII control characters.
10233
10234 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10235
10236         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10237         * cfganal.c (find_edge_index): Ditto.
10238         * combine.c (combine_instructions): Ditto.
10239         * ddg.c (create_scc): Ditto.
10240         (find_successors): Ditto.
10241         (find_predecessors): Ditto.
10242         (find_nodes_on_paths): Ditto.
10243         (longest_simple_path): Ditto.
10244         * flow.c (update_life_info): Ditto.
10245         (count_or_remove_death_notes): Ditto.
10246         (clear_log_links): Ditto.
10247         * modulo-sched.c (generate_reg_moves): Ditto.
10248         (find_max_asap): Ditto.
10249         (find_max_hv_min_mob): Ditto.
10250         (find_max_dv_min_mob): Ditto.
10251         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10252         * sched-rgn.c (extract_edgelst): Ditto.
10253         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10254         (dump_update_ssa): Ditto.
10255         (ssa_names_to_replace) Ditto.
10256         (switch_virtuals_to_full_rewrite): Ditto.
10257         (update_ssa): Ditto.
10258         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10259
10260 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10261
10262         Fix PR tree-optimization/22483
10263
10264         * tree-complex.c (create_components): Use
10265         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10266         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10267         * tree-flow.h (safe_referenced_var_iterator): New structure.
10268         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10269         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10270         safe_referenced_var iterator.
10271         (add_type_alias): Ditto.
10272
10273 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10274
10275         * loop-init.c (rest_of_handle_loop2): Remove.
10276         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10277         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10278         (pass_rtl_loop_init, pass_rtl_loop_done,
10279         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10280         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10281         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10282         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10283         pass_tree_loop_done, and pass_tree_unswitch.
10284         (gate_loop): Rename to gate_tree_loop.
10285         * passes.c (init_optimization_passes): Update for renamed tree
10286         loop passes.  Add the new loop2 passes as subpasses of loop2.
10287         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10288         Update for the renamed tree loop passes.
10289
10290 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10291
10292         PR middle-end/22057
10293         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10294         blocks when optimizing.
10295
10296 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10297
10298         * common.opt (frename-registers): Initialize to 2.
10299         (fweb): Ditto.
10300         (fgcse-after-reload): Ditto.
10301         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10302         (process_options): Only change flag_web, flag_rename_registers,
10303         and flag_rerun_cse_after_loop if not explicitly set by user.
10304
10305 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10306
10307         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10308         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10309         in 64-bit mode the same as DImode in 32-bit mode.
10310         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10311         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10312         mode. Add new mode parameter.
10313         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10314         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10315         x86_64_shift_adj): New expanders.
10316         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10317         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10318         insns.
10319         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10320         DImode shift splitters.
10321         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10322         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10323         mode parameter.
10324
10325 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10326
10327         * i386.md (movdi_extzv_1): New.
10328         (zero_extendhidi2): Combine alternatives and never force use of
10329         REX64 prefix.
10330         (zero_extendqidi2): Likewise. Don't restrict input selection.
10331
10332 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10333
10334         Fix PR tree-optimization/22531
10335         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10336          moment.
10337
10338 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10339
10340         * tree-promote-statics.c (pass_promote_statics): Change dump file
10341          name.
10342
10343 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10344
10345         * tree-optimize.c (init_tree_optimization_passes): Add
10346         pass_eliminate_useless_stores pass.
10347         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10348         * tree-ssa-pre.c (is_copy_stmt): New function.
10349         (follow_copies_till_vuse): Ditto.
10350         (do_eustores): Ditto.
10351         (gate_eustores): Ditto.
10352
10353 2005-07-16  Richard Henderson  <rth@redhat.com>
10354
10355         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10356
10357 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10358            Kenneth Zadeck <zadeck@naturalbridge.com>
10359
10360         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10361         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10362         ipa-type-escape.h, tree-promote-statics.c
10363         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10364         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10365         tree-promote-statics.c: new files.
10366         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10367         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10368         int nonlocal_set_p, mark_constant_function): Deleted.
10369         (rest_of_handle_cfg): Removed call to mark_constant_function.
10370         (nonoverlapping_component_refs_p): Added calls to support
10371         type based aliasing.
10372         * tree-ssa-alias.c (may_alias_p,
10373         compute_flow_insensitive_aliasing): Ditto.
10374         * calls.c (flags_from_decl_or_type): Removed reference to
10375         cgraph_rtl_info.
10376         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10377         too many arguments.  This is necessary for Spec 2000.
10378         * cgraph.h (const_function, pure_function): Removed.
10379         * common.opt: Added "fipa-pure-const", "fipa-reference",
10380         "fipa-type-escape", and "ftree-promote-static".
10381         * opts.c: Ditto.
10382         * passes.c: Added ipa and tree-promote-statics passes.
10383         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10384         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10385         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10386         * tree-flow.h: Added exposed sra calls and addition of
10387         reference_vars_info field for FUNCTION_DECLS.
10388         * tree-pass.h: Added passes.
10389         * tree-sra.c: (sra_init_cache): New function.
10390         (sra_insert_before, sra_insert_after) Made public.
10391         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10392         and made public.
10393         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10394         aliasing. (may_alias_p): Added code to use type escape analysis to
10395         improve alias sets.
10396         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10397         code to prune clobbers of static variables based on information
10398         produced in ipa-reference pass.  Changed call clobbering so that
10399         statics are not marked as clobbered if the call does not clobber
10400         them.
10401
10402 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10403
10404         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10405         too.
10406
10407 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10408
10409         * doc/install.texi (*-*-solaris2*): Document recommended version
10410         of GNU binutils and mention GNU linker problem on Solaris 10.
10411
10412 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10413
10414         PR c/22421
10415         * c-decl.c (c_build_bitfield_integer_type): New function.
10416         (finish_struct): Call it.
10417         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10418
10419 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10420
10421         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10422         before returning.
10423
10424 2005-07-16  Jan Hubicka  <jh@suse.cz>
10425
10426         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10427         (scale_bbs_frequencies_int): Watch roundoff errors.
10428         * predict.c (return_prediction): Initialize return_stmt.
10429
10430 2005-07-16  Jan Hubicka  <jh@suse.cz>
10431
10432         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10433         after RTL profiling.
10434
10435 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10436
10437         PR middle-end/22398
10438         * fold-const.c (build_range_check): Convert high/low to etype
10439         if we are only comparing against exp.
10440
10441 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10442
10443         Fix PR tree-optimization/22376
10444         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10445         special var here.
10446         (need_to_solve): New function.
10447         (compute_points_to_sets): Use it.
10448
10449 2005-07-15  Jan Hubicka  <jh@suse.cz>
10450
10451         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10452         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10453
10454 2005-07-15  Richard Guenther  <rguenther@suse.de>
10455
10456         * c-common.c (handle_flatten_attribute): New function.
10457         Add flatten function attribute.
10458         * doc/extend.texi: Document flatten function attribute.
10459         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10460         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10461         New functions.
10462         (cgraph_decide_inlining): Handle functions with flatten
10463         attribute.
10464
10465 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10466
10467         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10468         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10469         UNSPEC_XCHG, UNSPEC_AND): New.
10470         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10471         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10472         * config/rs6000/sync.md (FETCHOP): New code macro.
10473         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10474         New code attrs.
10475         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10476         (sync_compare_and_swap<mode>): Same.
10477         (sync_lock_test_and_set<mode>): Same.
10478         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10479         for QImode and HImode, and not PPC405.
10480         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10481         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10482         (sync_<fetchop>{si,di}_internal): New.
10483         (sync_nand{si,di}_internal): New.
10484         (sync_old_<fetchop>{si,di}_internal): New.
10485         (sync_old_nand{si,di}_internal): New
10486         (sync_new_<fetchop>{si,di}_internal): New.
10487         (sync_new_nand{si,di}_internal): New.
10488         (atomic_and{si,di}): New.
10489         (sync_new_nand{si,di}_internal): New.
10490         (atomic_and{si,di}): New.
10491         (sync_add<mode>_internal): Delete.
10492         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10493         (sync_sub<mode>_internal): Delte.
10494         (sync_subshort_internal): New.
10495         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10496         (sync_anddi_internal): Delete.
10497         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10498         (sync_booldi_internal): Delete.
10499         (sync_boolc<mode>_internal): Delete.
10500         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10501         (sync_boolc<mode>_internal2): Delete.
10502         (sync_boolcc<mode>_internal): Delete.
10503         (isync, lwsync): Use unspec instead of unspec_volatile.
10504         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10505         Revert UNSPEC_VOLATILE.
10506         (rs6000_split_atomic_op): New.
10507         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10508
10509 2005-07-14  Eric Christopher  <echristo@redhat.com>
10510
10511         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10512         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10513
10514 2005-07-14  Eric Christopher  <echristo@redhat.com>
10515
10516         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10517
10518 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10519
10520         PR tree-optimization/22230
10521         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10522         the computation of the four cross productions for "range op range".
10523
10524 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10525             Ulrich Weigand  <uweigand@de.ibm.com>
10526
10527         PR target/20126
10528         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10529         in some insn.
10530
10531 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10532
10533         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10534
10535 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10536
10537         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10538
10539 2005-07-14  Richard Guenther  <rguenther@suse.de>
10540
10541         PR middle-end/22347
10542         * config/i386/i386-protos.h (ix86_function_value): Change
10543         prototype to match new target hook.
10544         * config/i386/i386.c (ix86_value_regno): Change prototype
10545         to take extra type argument.
10546         (TARGET_FUNCTION_VALUE): Define.
10547         (ix86_function_ok_for_sibcall): Pass extra argument to
10548         ix86_value_regno, check return slot rtx for exact match.
10549         (ix86_function_value): Take extra parameter.  Dispatch to
10550         ix86_value_regno with fndecl/fntype as provided.
10551         (ix86_value_regno): Handle extra type argument.
10552         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10553
10554         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10555         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10556         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10557         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10558         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10559
10560 2005-07-14  Richard Guenther  <rguenther@suse.de>
10561
10562         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10563         * calls.c (expand_call): Pass fntype to hard_function_value.
10564         (emit_library_call_value_1): Likewise.
10565         * explow.c: Include target.h.
10566         (hard_function_value): Take extra argument, the fntype.
10567         Use new target hook for function_value.
10568         * expr.h (hard_function_value): Change prototype.
10569         * function.c (aggregate_value_p): Pass 0 as fntype to
10570         hard_function_value.
10571         (assign_parms): Use new target hook for function_value.
10572         Pass 0 as fntype to hard_function_value.
10573         (expand_function_end): Likewise.
10574         * reg-stack.c: Include target.h.
10575         (stack_result): Use new target hook for function_value.
10576         * target-def.h: New target hook function_value.
10577         * target.h: Likewise.
10578         * targhooks.c (default_function_value): New function.
10579         * targhooks.h (default_function_value): Declare.
10580
10581 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10582
10583         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10584
10585 2005-07-14  Jan Hubicka  <jh@suse.cz>
10586
10587         * tree-dfa.c (dump_variable): Use default_def function.
10588         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10589         * tree-ssa.c (verify_use): Likewise.
10590         * tree-ssanames.c (release_ssa_name): Likewise.
10591         * tree-tailcall.c (eliminate_tail_call): Likewise.
10592         (tree_optimize_tail_calls_1): Likewise.
10593         * tree-vrp.c (get_value_range): Likewise.
10594
10595 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10596
10597         * gcc.c (main): Compare language[0] with '*' when iterating over
10598         the infiles.
10599
10600 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10601
10602         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10603         "s390_emit_compare".  Add handling of CCZ1mode.
10604         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10605         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10606         checking.
10607         (s390_branch_condition_mask): Add CCZ1mode handling.
10608         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10609         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10610         Use CCZ1mode instead of CCZmode.
10611         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10612
10613 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10614
10615         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10616         pattern.
10617         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10618
10619 2005-07-13  Eric Christopher  <echristo@redhat.com>
10620
10621         * config/mips/mips.c (mips_canonicalize_comparison): New.
10622         (mips_emit_int_relational): Use.
10623
10624 2005-07-13  Eric Christopher  <echristo@redhat.com>
10625
10626         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10627         static extra parts.
10628         * config/s390/s390.md: Include tpf.md. Move tpf specific
10629         patterns...
10630         * config/s390/tpf.md: To here.
10631         * config/s390/s390.opt: Move tpf specific options...
10632         * config/s390/tpf.opt: to here. Add mmain option.
10633         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10634         * config/s390/tpf.h: Rewrite.
10635
10636 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10637
10638         * doc/tm.texi: Remove @xref{Cross-profiling}.
10639
10640 2005-07-13  Jeff Law  <law@redhat.com>
10641
10642         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10643         expressions, test their _DECL operands for pointer equality rather
10644         than using operand_equal_p.
10645
10646 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10647
10648         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10649         (TARGET_POSIX_IO): This.
10650         * config/darwin.h: Likewise.
10651         * config/freebsd.h: Likewise.
10652         * config/linux.h: Likewise.
10653         * config/lynx.h: Likewise.
10654         * config/netbsd.h: Likewise.
10655         * config/rs6000/linux64.h: Likewise.
10656         * config/rs6000/linux.h: Likewise.
10657         * config/s390/tpf.h: Likewise.
10658         * config/sh/embed-elf.h: Likewise.
10659         * config/sparc/linux64.h: Likewise.
10660         * config/sparc/linux.h: Likewise.
10661         * config/svr4.h: Likewise.
10662         * gcov-io.h: Likewise.
10663
10664         * doc/tm.texi: Updated.
10665
10666         * libgcov.c (create_file_directory): Defined only if
10667         TARGET_POSIX_IO is defined.
10668         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10669         is defined.
10670
10671 2005-07-13  Jan Hubicka  <jh@suse.cz>
10672
10673         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10674
10675 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10676
10677         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10678         structure as argument.
10679
10680 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10681
10682         PR tree-optimization/21921
10683         * tree-iterator.c (tsi_link_before): Support the case when
10684         tsi_end_p (tsi) == true.
10685
10686 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10687
10688         PR tree-optimization/22442
10689         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10690         correctly.
10691
10692 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10693
10694         PR rtl-optimization/20376
10695         * toplev.c (process_options): Enable -fweb and -frename-registers when
10696         unrolling.
10697         * doc/invoke.texi: Update the information about when -fweb and
10698         -frename-registers are enabled.
10699
10700 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10701
10702         PR tree-opt/21840
10703         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10704         if *rhs_p is not a SSA_NAME.
10705
10706 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10707
10708         Fix PR tree-optimization/22422
10709         * tree-ssa-structalias.c (struct variable_info): Add flag for
10710         special vars.
10711         (get_varinfo): Now a static function.
10712         (new_varinfo): init has_union and is_special_var to false.
10713         (solution_set_add): Check has_union.
10714         (do_da_constraint): Move temporary variable so it gets reset
10715         properly.
10716         Also check for special variable.
10717         (do_ds_constraint): Ditto.
10718         (do_sd_constraint): Ditto.
10719         (do_structure_copy): Check for special variable.
10720         (find_func_aliases): Ditto.
10721         (init_base_vars): Set special vars properly.
10722
10723 2005-07-13  Jan Hubicka  <jh@suse.cz>
10724
10725         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10726         do unit-at-a-time.
10727
10728         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10729         (get_expr_operands): Fix thinko wrt flags and subvars.
10730
10731         PR tree-optimize/22379
10732         * tree-inline.c (expand_call_inline): Do not output sorry in early
10733         inlining.
10734
10735 2005-07-12  Dale Johannesen  <dalej@apple.com>
10736
10737         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10738
10739 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10740
10741         PR bootstrap/21704
10742         * host-linux.h: Include limits.h.
10743
10744 2005-07-12  Dale Johannesen  <dalej@apple.com>
10745
10746         * expr.c (compress_float_constant):  Add cost check.
10747         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10748
10749 2005-07-12  Dale Johannesen  <dalej@apple.com>
10750
10751         * gcc.target/i386/compress-float-sse.c:  New.
10752         * gcc.target/i386/compress-float-sse-pic.c:  New.
10753         * gcc.target/i386/compress-float-387.c:  New.
10754         * gcc.target/i386/compress-float-387-pic.c:  New.
10755         * gcc.dg/compress-float-ppc.c:  New.
10756         * gcc.dg/compress-float-ppc-pic.c:  New.
10757
10758 2005-07-12  Eric Christopher  <echristo@redhat.com>
10759
10760         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10761         static extra parts.
10762         * config/s390/s390.md: Include tpf.md. Move tpf specific
10763         patterns...
10764         * config/s390/tpf.md: To here.
10765         * config/s390/s390.opt: Move tpf specific options...
10766         * config/s390/tpf.opt: to here. Add mmain option.
10767         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10768         * config/s390/tpf.h: Rewrite.
10769
10770 2005-07-12  Eric Christopher  <echristo@redhat.com>
10771
10772         * gcc.c (struct infile): Update comment for language.
10773         (main): Rewrite input file resetting code.
10774
10775 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10776
10777         PR tree-opt/22335
10778         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10779         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10780         (lookup_avail_expr): Use constant_boolean_node instead
10781         of boolean_false_node/boolean_true_node.
10782
10783 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10784
10785         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10786         and use it when printing num_edges.
10787
10788 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10789
10790         * doc/extend.texi (Blackfin Built-in Functions): New section.
10791         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10792         @opindex.
10793
10794 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10795
10796         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10797         s/cmpstrsi/cmpstrnsi
10798         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10799         'cmpstrnsi'.
10800         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10801         (init_optabs): Initialize cmpstrn_optab.
10802         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10803         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10804         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10805         * config/i386/i386.md: s/cmpstr/cmpstrn
10806         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10807         * doc/md.texi: Update documentation.
10808
10809 2005-07-11  Richard Henderson  <rth@redhat.com>
10810
10811         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10812         build_va_arg_indirect_ref.
10813         (alpha_gimplify_va_arg): Likewise.
10814         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10815         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10816         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10817         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10818         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10819         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10820         Likewise.
10821         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10822
10823 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10824
10825         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10826         * passes.c (init_optimization_passes): Add pass_empty_loop.
10827         * tree-pass.h (pass_empty_loop): Declare.
10828         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10829         try_remove_empty_loop, remove_empty_loops): New functions.
10830         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10831         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10832
10833 2005-07-12  Peter Barada  <peter@the-baradas.com>
10834
10835         PR middle-end/16719
10836         PR middle-end/18421
10837         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10838         in address registers.
10839         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10840         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10841         alternative of addsi3_5200.
10842
10843 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10844
10845         * config/mips/mips.md (ffs<mode>2): Remove.
10846
10847 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10848
10849         * doc/tree-ssa.texi (Cleanups): Improve description of
10850         TRY_FINALLY_EXPR.
10851         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10852
10853 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10854
10855         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10856         * tree.h (DECL_ARGUMENT_FLD): New macro.
10857
10858 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10859
10860         Fix PR tree-optimization/22404
10861
10862         * tree-ssa-structalias.c (create_variable_info_for): Use
10863         correct offset.
10864
10865 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10866
10867         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10868         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10869         for second comparison operand.
10870         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10871
10872         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10873         (define_insn_reservation "alu"): Likewise.
10874         (csync, ssync): Now of type sync.
10875         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10876         -mcsync-anomaly -mspecld-anomaly.
10877         * config/bfin/bfin.opt (mcsync): Remove.
10878         (mcsync-anomaly, mspecld-anomaly): Add.
10879         * config/bfin/bfin.c: Include "insn-codes.h".
10880         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10881         (TARGET_DEFAULT_TARGET_FLAGS): New.
10882         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10883
10884 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10885
10886         * basic-block.h: Give the BB flags enum a name, bb_flags.
10887         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10888         * cfgcleanup.c (enum bb_flags): Remove here.
10889         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10890         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10891         (update_forwarder_flag): Likewise.
10892         (thread_jump): Likewise.
10893         (try_forward_edges): Likewise.
10894         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10895         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10896         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10897
10898 2005-07-11  Richard Guenther  <rguenther@suse.de>
10899
10900         * config/i386/i386.opt: New target option -msseregparm.
10901         * config/i386/i386.c (override_options): Error out for
10902         -msseregparm but no SSE support.
10903         (ix86_function_sseregparm): Check for global sseregparm.
10904         * doc/invoke.texi: Document -msseregparm.
10905
10906 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10907
10908         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10909         (m32rle-*-linux*): Ditto.
10910
10911 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10912
10913         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10914         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10915         bytes.
10916
10917 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10918
10919         PR middle-end/22239
10920         PR target/20126
10921         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10922         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10923
10924 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10925
10926         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10927         (varmap): Heapify varmap.
10928         (constraints): Heapify constraints.
10929         (struct constraint_graph): Heapify succs and preds.
10930         (constraint_vec_find): Update for heapification.
10931         (constraint_set_union): Ditto.
10932         (insert_into_complex): Ditto.
10933         (constraint_edge_vec_find): Ditto.
10934         (erase_graph_self_edge): Ditto.
10935         (add_graph_edge): Ditto.
10936         (get_graph_weights): Ditto.
10937         (merge_graph_nodes): Ditto.
10938         (build_constraint_graph): Ditto.
10939         (topo_visit): Ditto.
10940         (solve_graph): Ditto.
10941         (create_variable_info_for): Ditto.
10942         (init_base_vars): Ditto.
10943         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10944         (condese_varmap_nodes): Free complex vector.
10945         (clear_edges_for_node): Clear succs and preds vector.
10946
10947 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10948
10949         * tree-ssa-structalias.c (update_alias_info): Change counting of
10950         references to not include vdefs.
10951
10952 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10953
10954         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10955         (up_insert): Ditto.
10956
10957 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10958
10959         * pa.c (pa_commutative_p): Make PLUS commutative when
10960         TARGET_NO_SPACE_REGS is true.
10961
10962 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10963
10964         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10965         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10966         * tree-dfa.c (dump_subvars_for): New.
10967         (debug_subvars_for): New.
10968         (dump_variable): Show subvariables if VAR has them.
10969         * tree-flow-inline.h (get_subvar_at): New.
10970         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10971         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10972         Update all users.
10973         (struct subvar): Change fields offset and size to unsigned
10974         HOST_WIDE_INT.
10975         (dump_subvars_for): Declare.
10976         (debug_subvars_for): Declare.
10977         (get_subvar_at): Declare.
10978         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10979         to unsigned HOST_WIDE_INT *.
10980         (overlap_subvar): Likewise.
10981         * tree-gimple.c (is_gimple_reg): Always return false for
10982         SFTs and memory tags.
10983         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10984         Update all callers.
10985         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10986         (compute_may_aliases): Call compute_points_to_sets.
10987         (collect_points_to_info_for): Remove.
10988         (compute_points_to_and_addr_escape): Remove.
10989         (delete_alias_info): Call delete_points_to_sets.
10990         (compute_flow_sensitive_aliasing): If the call to
10991         find_what_p_points_to returns false, call set_pt_anything.
10992         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10993         (set_pt_anything): Clear pi->pt_vars.
10994         (set_pt_malloc): Remove.
10995         (merge_pointed_to_info): Remove.
10996         (add_pointed_to_expr): Remove.
10997         (add_pointed_to_var): Remove.
10998         (collect_points_to_info_r): Remove.
10999         (is_escape_site): Make extern.
11000         (create_sft): New.
11001         (create_overlap_variables_for): Call it.
11002         * tree-ssa-copy.c (merge_alias_info): Never merge
11003         flow-sensitive alias information.
11004         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11005         offset and size to be unsigned HOST_WIDE_INT.
11006         (add_to_addressable_set): Rename from note_addressable.
11007         Set TREE_ADDRESSABLE as the variables are added to the set.
11008         Update all users.
11009         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11010         operands into VUSEs when adding V_MAY_DEFs for members in an
11011         alias set.
11012         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11013         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11014         (struct variable_info): Add bitfield is_heap_var.
11015         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11016         (new_var_info): Initialize is_heap_var.
11017         (get_constraint_for): Add HEAP variables to the symbol table.
11018         Mark them with is_heap_var.
11019         (update_alias_info): New.  Taken mostly from the old
11020         compute_points_to_and_addr_escape.
11021         (handle_ptr_arith): New.
11022         (find_func_aliases): Call update_alias_info.
11023         Call handle_ptr_info for tcc_binary expressions.
11024         Call mark_stmt_modified.
11025         (create_variable_info_for): If DECL has subvars, do not create
11026         variables for its subvars.  Always add all the fields.
11027         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11028         SFTs, then add all the SFTs of the structure.
11029         If VI->DECL is an aggregate with subvariables, add the SFT at
11030         VI->OFFSET.
11031         (find_what_p_points_to): If VI is an artificial variable,
11032         translate to bitfields in SSA_NAME_PTR_INFO.
11033         If the solution is empty, set pi->pt_vars to NULL
11034         (init_base_vars): Create ANYOFFSET.
11035         (compute_points_to_sets): Rename from create_alias_vars.
11036         Make extern.
11037         (pass_build_pta): Remove.
11038         (delete_points_to_sets): Rename from delete_alias_vars.
11039         (pass_del_pta): Remove.
11040         * tree-ssa-structalias.h (struct alias_info): Move from
11041         tree-ssa-alias.h.
11042         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11043         NUM_REFERENCES_SET): Likewise.
11044         (compute_points_to_sets, delete_points_to_sets): Declare.
11045
11046 2005-07-09  Richard Henderson  <rth@redhat.com>
11047
11048         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11049         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11050         alpha_split_lock_test_and_set_12): New functions.
11051         * config/alpha/alpha-protos.h: Update.
11052         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11053         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11054         * config/alpha/sync.md (I12MODE): New.
11055         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11056         (sync_<fetchop_name><I48MODE>): Likewise.
11057         (sync_nand<I48MODE>): Likewise.
11058         (sync_old_<fetchop_name><I48MODE>): Likewise.
11059         (sync_new_<fetchop_name><I48MODE>): Likewise.
11060         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11061         (sync_compare_and_swap<I48MODE>): Likewise.
11062         (sync_lock_test_and_set<I48MODE>): Likewise.
11063         (sync_compare_and_swap<I12MODE>): New.
11064         (sync_compare_and_swap<I12MODE>_1): New.
11065         (sync_lock_test_and_set<I12MODE>): New.
11066         (sync_lock_test_and_set<I12MODE>_1): New.
11067
11068 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11069
11070         PR 21356
11071         PR 22332
11072         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11073
11074 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11075
11076         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11077         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11078
11079 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11080
11081         PR target/21656
11082         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11083
11084 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11085
11086         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11087         memory_operand constraint.
11088         (store_conditional_<mode>): Same.
11089         (sync_compare_and_swap<mode>): Same.
11090         (sync_lock_test_and_set<mode>): Same.
11091
11092 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11093
11094         Rewrite PIC support to more closely model actual instructions.
11095         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11096         (cris_symbol): Remove prototypes for removed functions.
11097         (cris_pic_symbol_type_of, cris_valid_pic_const)
11098         (cris_expand_pic_call_address): Prototypes for new functions.
11099         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11100         variable.
11101         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11102         modifiers.
11103         <case ':'>: Add case for new punctuation character.
11104         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11105         emitting (extra) PIC modifier.
11106         <case UNSPEC>: Do not assert for PLT.
11107         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11108         (cris_expand_prologue, cris_expand_epilogue): Check
11109         for pic_offset_table_rtx usage instead of taking
11110         current_function_uses_pic_offset_table as the final word.
11111         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11112         Remove flag_pic difference.
11113         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11114         the moral equivalents of...
11115         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11116         functions.
11117         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11118         (cris_handle_option): Mark ARG as unused.
11119         (cris_expand_pic_call_address): New worker function for "call",
11120         "call_value".
11121         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11122         output PIC constructs here.
11123         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11124         as symbol-specific modifers, not whole or part of operands.
11125         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11126         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11127         constants and flag_pic.
11128         (CONSTANT_INDEX_P): Adjust for new functions.
11129         (enum cris_pic_symbol_type): New helper type.
11130         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11131         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11132         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11133         define_constants.
11134         ("movsi"): Emit actual instructions for GOT and relative access.
11135         ("*movsi_got_load"): New pattern to set up the register holding
11136         the GOT pointer.
11137         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11138         Adjust FIXME for 'S'.
11139         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11140         Use "movs" for -fpic cases.
11141         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11142         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11143         ("call", "call_value"): Just call cris_expand_pic_call_address for
11144         PIC addresses.
11145         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11146         Remove special pattern.
11147         ("*expanded_call_side", "*expanded_call_value_side"): New
11148         patterns.
11149         (gotplt-to-plt, gotplt-to-plt-side-call)
11150         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11151         peephole2:s.
11152         * config/cris/cris/predicates.md
11153         ("cris_general_operand_or_gotless_symbol"): Remove unused
11154         predicate.
11155         ("cris_general_operand_or_symbol"): Adjust for new functions.
11156
11157 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11158
11159         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11160
11161 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11162
11163         * Makefile.in (TREE_H): Add treestruct.def.
11164         (c-decl.o): Add pointer-set.h
11165         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11166         visibility on regular DECL's.
11167         (merge_decls): Fix the copying of decl nodes of various types for
11168         the new structures.  Don't update RTL, section name, weak status,
11169         etc, on DECL's without RTL.
11170         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11171         Don't check volatile on non-variable types.
11172         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11173         to check whether we have seen arguments.
11174         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11175         flag is checked before field (flag is common, field is not).
11176         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11177         TS_DECL_COMMON could have an origin.
11178         (add_location_or_const_value_attribute): Don't check section name
11179         on non-var/function decls.
11180         (dwarf2out_var_location): Reverse order of tests.
11181         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11182         with DECL_WRTL_CHECK.
11183         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11184         * fold-const.c (fold_binary): Don't check weakness on
11185         non-var/function decls.
11186         (tree_expr_nonzero_p): Ditto.
11187         (fold_checksum_tree): Use tree_decl_extra as sizeof
11188         buffer.
11189         * ggc-page.c (extra_order_size_table): Add sizes for
11190         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11191         tree_field_decl.
11192         * gimplify.c (gimplify_bind_expr): Only set
11193         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11194         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11195         without RTL.
11196         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11197         * langhooks.h (init_ts). New langhook.
11198         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11199         * print-tree.c (print_node): Update to only print fields that
11200         exist in the structures the passed decl has.
11201         * toplev.c (wrapup_global_declarations): Don't reset
11202         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11203         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11204         * tree-inline.c (remap_decl): Ditto.
11205         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11206         * tree-pretty-print.c (print_declaration): Don't print
11207         DECL_REGISTER on things that don't contain it.
11208         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11209         non-var/function decls.
11210         * tree.c (tree_contains_struct): New structure.
11211         (init_priority_for_decl): New hashtable.
11212         (tree_int_map): New structure.
11213         (tree_int_map_eq): New function.
11214         (tree_int_map_marked_p): Ditto.
11215         (tree_int_map_hash): Ditto.
11216         (tree_map): Move to tree.h.
11217         (tree_map_eq): Externalize.
11218         (tree_map_hash): Ditto.
11219         (tree_map_marked_p): Ditto.
11220         (init_ttree): Set up tree_contains_struct and call langhook.
11221         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11222         (tree_code_size): Update for new structures.
11223         (tree_node_structure): Update for new structures.
11224         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11225         without the field.
11226         (copy_node_stat):  Copy init priority.
11227         (build_decl_stat): Ditto for visibility.
11228         (ts_enum_names): New.
11229         (tree_contains_struct_check_failed): New function.
11230         (decl_init_priority_lookup): Ditto.
11231         (decl_init_priority_insert): Ditto.
11232         * treestruct.def: New file.
11233         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11234         (CONTAINS_STRUCT_CHECK): Ditto.
11235         (tree_contains_struct_check_failed): New prototype.
11236         (DECL_CHECK): Removed.
11237         (DECL_MINIMAL_CHECK): New.
11238         (DECL_COMMON_CHECK): Ditto.
11239         (DECL_WRTL_CHECK): Ditto.
11240         (DECL_NON_COMMON_CHECK): Ditto.
11241         (DECL_WITH_VIS_CHECK): Ditto.
11242         (VAR_OR_FUNCTION_DECL_P): Ditto
11243         (struct tree_decl_minimal): New structure.
11244         (struct tree_decl_common): Ditto.
11245         (struct tree_decl_with_rtl): Ditto.
11246         (struct tree_decl_with_vis): Ditto.
11247         (struct tree_decl_non_common): Ditto.
11248         (struct tree_field_decl): Ditto.
11249         (struct tree_parm_decl): Ditto.
11250         (struct tree_var_decl): Ditto.
11251         (struct tree_function_decl): Ditto.
11252         (struct tree_const_decl): Ditto.
11253         (struct tree_result_decl): Ditto.
11254         (union tree_node): Add new structures.
11255         * var-tracking.c (track_expr_p): Reverse order of tests.
11256
11257         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11258
11259 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11260
11261         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11262         * system.h: Poison FINALIZE_PIC.
11263         * doc/tm.texi (FINALIZE_PIC): Remove.
11264
11265 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11266
11267         PR tree-opt/22329
11268         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11269         to the correct type if we have a MODIFY_EXPR.
11270
11271 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11272
11273         PR tree-optimization/22360
11274         * tree.c (upper_bound_in_type): Fix calculations for casting
11275         to a non-wider signed type and casting a signed value to a
11276         wider unsigned type.
11277         (lower_bound_in_type): Fix calculations for casting to a
11278         non-wider signed type.
11279
11280         PR tree-optimization/20139
11281         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11282         release_defs.
11283         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11284         fold_cond_expr_cond.
11285         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11286         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11287
11288 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11289
11290         PR tree-opt/22356
11291         * tree-complex.c (expand_complex_libcall): Produce
11292         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11293
11294 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11295
11296         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11297         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11298         b" assert and inserted fastpath code for this case.
11299         (bitmap_ior): Removed "a != b" assert.
11300
11301 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11302
11303         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11304         (ENDFILE_SPEC): Likewise.
11305         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11306
11307         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11308         a large stack frame at epilogue.
11309
11310 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11311
11312         * final.c: Include sdbout.h when required.
11313
11314 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11315
11316         * config.gcc (*-*-darwin*): Only one target-specific header file
11317         for generic darwin.
11318         (powerpc-*-darwin*): Add version-specific header files.
11319         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11320         * config.in: Regenerate.
11321         * configure: Regenerate.
11322         * gcc.c: Include xregex.h.
11323         (version_compare_spec_function): New.
11324         (spec_function): Add version-compare.
11325         (replace_outfile_spec_function): Reformat comment.
11326         (compare_version_strings): New.
11327         * config/darwin-c.c (version_as_macro): New.
11328         (builtin_define): New.
11329         (darwin_cpp_builtins): New.
11330         * config/darwin-protos.h (darwin_cpp_builtins): New.
11331         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11332         (LIB_SPEC): Make unconditional, update comment.
11333         (TARGET_C99_FUNCTIONS): Define.
11334         * config/darwin.opt: Sort.
11335         (mmacosx-version-min=): New.
11336         * config/darwin7.h: Delete.
11337         * config/darwin8.h: Delete.
11338         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11339         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11340         (TARGET_C99_FUNCTIONS): Define.
11341         * config/rs6000/darwin7.h: New.
11342         * config/rs6000/darwin8.h: New.
11343         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11344         (-mmacosx-version-min): Document.
11345
11346 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11347
11348         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11349
11350 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11351
11352         PR middle-end/22239
11353         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11354
11355 2005-07-07  Khem Raj  <kraj@mvista.com>
11356
11357         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11358         in bytes, not words.
11359
11360 2005-07-07  Paul Brook  <paul@codesourcery.com>
11361
11362         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11363         DEFAULT_FUNCTION_ARG_PADDING to upward.
11364
11365 2005-07-07  Richard Henderson  <rth@redhat.com>
11366
11367         * function.c (locate_and_pad_parm): Record parameter alignment in
11368         stack_alignment_needed.
11369
11370 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11371
11372         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11373         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11374         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11375         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11376         (define_attr "type"): Add isync, sync, load_l, store_c.
11377         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11378         Create scratch volatile MEM.
11379         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11380         sync.
11381         (load_locked_<mode>): New.
11382         (store_conditional_<mode>): New.
11383         (sync_compare_and_swap<mode>): Replace with splitter.
11384         (sync_lock_test_and_set<mode>): Replace with splitter.
11385         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11386         and UNSPECV_ISYNC.
11387         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11388         is ics.  Attribute isync.
11389         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11390         lwsync.
11391         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11392         and UNSPECV_SYNC_OP.
11393         (emit_unlikely_jump): New.
11394         (emit_load_locked): New.
11395         (emit_store_conditional): New.
11396         (rs6000_split_compare_and_swap): New.
11397         (rs6000_split_lock_test_and_set): New.
11398         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11399         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11400         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11401         rs6000_split_lock_test_and_set): Declare.
11402         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11403         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11404         store_c, isync, sync.
11405
11406 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11407
11408         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11409         filenames to gtyp-gen.h.
11410         (s-typ-gen): Use it in place of for loops.
11411
11412 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11413
11414         * hooks.c (hook_bool_rtx_int_false): New function.
11415         * hooks.h (hook_bool_rtx_int_false): Declare.
11416         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11417         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11418         * target.h (struct gcc_target): Add commutative_p member.
11419         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11420         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11421         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11422         (pa_commutative_p): New function.
11423         * jump.c (target.h): Include.
11424         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11425         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11426
11427 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11428
11429         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11430         (s390_expand_setmem): New.
11431         * config/s390/s390.c: Likewise.
11432         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11433         Adapt comments.
11434         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11435         general_operand.  Call new function "s390_expand_setmem".
11436         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11437         ("setmem_long", "*setmem_long"): ... this.
11438
11439 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11440
11441         * config/s390/s390.c: (optimization_options): Enable
11442         TARGET_MVCLE at -Os.
11443         * doc/invoke.texi: Document changes in default behaviour.
11444         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11445
11446 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11447
11448         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11449         defined by back-end.
11450
11451 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11452
11453         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11454         all sets in the pattern.
11455         * config/rs6000/rs6000.md (stack_protect_testsi,
11456         stack_protect_testdi): Likewise.
11457
11458 2005-07-06  Jeff Law  <law@redhat.com>
11459
11460         * tree-vrp.c (simplify_using_ranges): Kill.
11461         (vrp_finalize): Remove call to simplify_using_ranges.
11462         (simplify_stmt_using_ranges): New function extracted from
11463         simplify_using_ranges.
11464         (simplify_div_or_mod_using_ranges): Likewise.
11465         (simplify_abs_using_ranges): Likewise.
11466         (simplify_cond_using_ranges): New function.
11467         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11468         * tree-ssa-propagate.c (substitute_and_fold): Call
11469         simplify_stmt_using_ranges if we have range information.
11470
11471 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11472
11473         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11474         ia64_flag_schedule_isns2.
11475
11476         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11477         reading/writing general registers.
11478         (ia64_function_arg): Revert 2005-06-18 change.
11479
11480 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11481
11482         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11483         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11484
11485 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11486
11487         * function.c (expand_function_end): Revert part of 2005-06-27
11488         patch.  Do sjlj_emit_function_exit_after after return_label.
11489
11490 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11491
11492         * doc/install.texi (--disable-libssp): New.
11493
11494 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11495
11496         * doc/invoke.texi: Update -fforce-mem documentation.
11497         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11498         code for -fforce-mem.
11499         * expmed.c: (store_bit_field,store_fixed_bit_field,
11500         extract_bit_field): Ditto.
11501         * expr.c: (convert_move): Ditto.
11502         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11503         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11504         emit_conditional_add,expand_float,expand_fix): Ditto.
11505         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11506         (common_handle_option): Issue warning when -fforce-mem specified.
11507
11508 2005-07-06  Paul Brook  <paul@codesourcery.com>
11509
11510         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11511         argument is empty.
11512         * configure: Regenerate.
11513
11514 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11515
11516         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11517
11518 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11519
11520         Fix PR tree-optimization/22319
11521         Fix PR tree-optimization/22140
11522         Fix PR tree-optimization/22310
11523
11524         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11525         variable sized types.
11526         Use correct type for intermediate structure on *a = *b structure
11527         copies.
11528
11529 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11530
11531         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11532         Remove.
11533         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11534         (machine_function): Move typedef to...
11535         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11536         varargs_save_offset field.
11537         (rs6000_stack_t): Remove varargs_size field.
11538         (setup_incoming_varargs): Allocate varargs save area using
11539         assign_stack_local, try to make it as small as possible.
11540         Save offset from virtual_stack_vars_rtx to the save area
11541         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11542         instead of magic 8 when fp word byte size is used.
11543         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11544         instead of -RS6000_VARARGS_SIZE.
11545         (rs6000_stack_info, debug_stack_info,
11546         rs6000_initial_elimination_offset): Remove all traces of
11547         varargs_size.
11548         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11549         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11550         RS6000_VARARGS_AREA.
11551
11552 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11553
11554         PR tree-optimization/21963
11555         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11556         constant_multiple_of in the same way get_computation_cost_at does.
11557
11558 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11559
11560         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11561         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11562         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11563         and return its previous value.
11564         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11565         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11566         constants.
11567         (stack_protect_set, stack_protect_test): New expanders.
11568         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11569         stack_protect_testdi): New insns.
11570         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11571         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11572
11573 2005-07-06  Jeff Law  <law@redhat.com>
11574
11575         * tree-ssa-dce.c (cfg_altered): New global.
11576         (tree_dce_init): Initialize cfg_altered.
11577         (remove_dead_stmt): If we remove an edge in the CFG, then set
11578         CFG_ALTERED.
11579         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11580         the dominators.
11581
11582 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11583
11584         * Makefile.in (stamp-collect-ld): Use
11585         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11586         ./collect-ld if it already exists.
11587         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11588         Don't remove ./nm if it already exists.
11589
11590 2005-07-05  Devang Patel  <dpatel@apple.com>
11591
11592         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11593         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11594         * tree-vectorizer.c (vect_loop_location): New.
11595         (vect_print_dump_info): Use vect_loop_location.
11596         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11597         (vectorize_loops): Set vect_loop_location.
11598         * tree-vect-analyze.c (vect_analyze_offset_expr,
11599         vect_determin_vectorization_factor, vect_analyze_operations,
11600         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11601         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11602         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11603         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11604         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11605         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11606         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11607         vect_analyze_loop): Adjust vect_print_dump_info API.
11608         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11609         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11610         vect_finish_stmt_generation, vectorizable_assignment,
11611         vectorizable_operation, vectorizable_store, vectorizable_load,
11612         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11613         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11614         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11615         vect_transform_loop): Same.
11616         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11617         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11618         Same.
11619
11620 2005-07-05  Randolph Chung  <tausq@debian.org>
11621
11622         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11623         * configure: Regenerate.
11624         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11625         (pa_tls_referenced_p): Declare.
11626         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11627         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11628         (legitimize_tls_address): New.
11629         (hppa_legitimize_address): Handle TLS addresses.
11630         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11631         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11632         (emit_move_sequence): Handle TLS addresses.
11633         (pa_encode_section_info): Call default handler to handle common
11634         sections.
11635         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11636         (CONSTANT_ADDRESS_P): Reject TLS operands.
11637         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11638         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11639         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11640         (UNSPEC_TLSLE): Define new constants.
11641         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11642         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11643         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11644         (tie_symbolic_operand, tle_symbolic_operand): New
11645
11646 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11647
11648         * aclocal.m4: Update macros for autoconf 2.59 style.
11649         * configure.ac: Likewise.
11650
11651 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11652
11653         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11654         (function_arg): Pass small aggregates in general registers on 32-bit
11655         targets.
11656         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11657
11658 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11659
11660         * Makefile.in (final.o): Fix dependencies.
11661
11662 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11663
11664         PR c/22013
11665         PR c/22098
11666         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11667         * langhooks.c (lhd_expr_to_decl): New.
11668         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11669         New.
11670         (LANG_HOOKS_INITIALIZER): Update.
11671         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11672         expr_to_decl langhook.
11673         * c-tree.h (c_expr_to_decl): Declare.
11674         * c-typeck.c (c_expr_to_decl): New.
11675         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11676         specially.
11677         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11678
11679 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11680
11681         PR c/22308
11682         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11683         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11684
11685 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11686
11687         * Makefile.in: Adjust dependencies.
11688         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11689         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11690         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11691         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11692         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11693         rest_of_compilation.
11694
11695         * bb-reorder.c (gate_duplicate_computed_gotos,
11696         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11697         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11698         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11699         pass_partition_blocks): New.
11700         * bt-load.c (gate_handle_branch_target_load_optimize,
11701         rest_of_handle_branch_target_load_optimize,
11702         pass_branch_target_load_optimize): New.
11703         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11704         pass_jump2): New.
11705         * cfglayout.c (pass_insn_locators_initialize): New.
11706         * cfgrtl.c (pass_free_cfg): New.
11707         * combine.c (gate_handle_combine, rest_of_handle_combine,
11708         pass_combine): New.
11709         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11710         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11711         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11712         * except.c (pass_set_nothrow_function_flags,
11713         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11714         pass_rtl_eh): New.
11715         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11716         rest_of_handle_shorten_branches, pass_shorten_branches,
11717         rest_of_clean_state, pass_clean_state): New.
11718         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11719         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11720         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11721         pass_flow2): New.
11722         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11723         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11724         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11725         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11726         pass_gcse): New.
11727         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11728         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11729         pass_rtl_ifcvt, gate_handle_if_after_combine,
11730         rest_of_handle_if_after_combine, pass_if_after_combine,
11731         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11732         pass_if_after_reload): New.
11733         * integrate.c (pass_initial_value_sets): New.
11734         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11735         pass_purge_lineno_notes): New.
11736         * mode-switching.c (rest_of_handle_mode_switching,
11737         pass_mode_switching): New.
11738         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11739         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11740         pass_loop2): New.
11741         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11742         pass_loop_optimize): New.
11743         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11744         pass_sms): New.
11745         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11746         pass_gcse2): New.
11747         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11748         pass_postreload_cse): New.
11749         * profile.c (gate_handle_profiling, pass_profiling,
11750         rest_of_handle_branch_prob, pass_branch_prob): New.
11751         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11752         pass_split_before_regstack, gate_handle_split_before_regstack,
11753         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11754         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11755         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11756         pass_stack_regs): New.
11757         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11758         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11759         pass_stack_adjustments): New.
11760         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11761         pass_regrename): New.
11762         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11763         pass_delay_slots, gate_handle_machine_reorg,
11764         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11765         * rtl.h (extern void purge_line_number_notes): New.
11766         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11767         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11768         pass_sched2): New.
11769         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11770         pass_tracer): New.
11771         * value-prof.c (gate_handle_value_profile_transformations,
11772         rest_of_handle_value_profile_transformations,
11773         pass_value_profile_transformations): New.
11774         * var-tracking.c (gate_handle_var_tracking,
11775         pass_variable_tracking): New.
11776         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11777
11778         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11779         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11780         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11781         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11782         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11783         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11784         rest_of_handle_gcse2, rest_of_handle_regmove,
11785         rest_of_handle_tracer, rest_of_handle_if_conversion,
11786         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11787         rest_of_handle_web, rest_of_handle_branch_prob,
11788         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11789         rest_of_handle_jump_bypass, rest_of_handle_combine,
11790         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11791         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11792         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11793         rest_of_handle_mode_switching, rest_of_handle_jump,
11794         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11795         rest_of_handle_flow2, rest_of_handle_jump2,
11796         rest_of_handle_peephole2, rest_of_handle_postreload,
11797         rest_of_handle_shorten_branches, rest_of_clean_state,
11798         rest_of_compilation): Remove.
11799
11800         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11801         * passes.c (dump_flags, in_gimple_form, all_passes,
11802         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11803         register_dump_files, next_pass_1, last_verified, execute_todo,
11804         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11805         from tree-optimize.c.
11806         (init_optimization_passes): Moved from tree-optimize.c,
11807         adding the RTL optimizations.
11808         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11809         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11810         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11811         register_dump_files, next_pass_1, last_verified, execute_todo,
11812         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11813         init_tree_optimization_passes, ipa_passes): Delete.
11814         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11815         the RTL dumps.
11816         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11817         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11818         from tree.h.
11819         (ipa_passes): Remove.
11820         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11821         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11822         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11823         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11824         (dump_info_p, dump_flag): Moved to tree-dump.h.
11825
11826         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11827         cgraph.c, opts.c.
11828         * passes.c (finish_optimization_passes): Use dump_begin
11829         and dump_end, TDI_end.
11830         (gate_rest_of_compilation): New.
11831         (pass_rest_of_compilation): Use it.
11832         (gate_postreload, pass_postreload): New.
11833         * toplev.c (general_init): Rename init_tree_optimization_passes.
11834         * toplev.h (init_tree_optimization_passes): Rename to
11835         init_optimizations_passes.
11836         * tree-dump.c (dump_flag): Make static.
11837         (dump_files): Remove RTL dumps.
11838         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11839         pass_cleanup_cfg, pass_free_cfg_annotations,
11840         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11841         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11842         * tree-pretty-print.c: Include tree-pass.h.
11843         * cgraph.c: Include tree-dump.h.
11844
11845 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11846
11847         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11848         Only fall back to saying it points to readonly memory if
11849         we can't do better.
11850
11851 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11852
11853         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11854         * config/m32r/m32r.c (m32r_compute_frame_size,
11855         m32r_expand_prologue): Take current_function_profile into
11856         account whenever we reference
11857         current_function_uses_pic_offset_table.
11858         (m32r_finalize_pic): Remove.
11859         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11860
11861 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11862
11863         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11864         instead of $<.  Don't remove ./as if it already exists.
11865
11866 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11867
11868         PR target/21723
11869         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11870         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11871         for complex modes when generating code for PA 1.0.
11872         (VALID_FP_MODE_P): New macro.
11873         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11874         sets for all general and floating point modes.  Align wide floating
11875         point modes to even register boundaries to comply with architectural
11876         requirements.
11877         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11878         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11879         (VALID_FP_MODE_P): New macro.
11880         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11881         sets for all general and floating point modes.  Align wide floating
11882         point modes to even register boundaries to comply with architectural
11883         requirements.
11884
11885 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11886
11887         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11888         to 0.
11889
11890 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11891
11892         * tree-ssa-structalias.c: Don't include expr.h.
11893
11894 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11895
11896         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11897         comments.
11898
11899 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11900
11901         Fix PR tree-optimization/22279
11902
11903         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11904         correct operator.
11905
11906 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11907
11908         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11909
11910 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11911
11912         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11913         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11914         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11915         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11916         config/stormy16/stormy16.c, config/v850/v850.c,
11917         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11918         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11919         Avoid "." or "\n" at end of diagnostics and capital letters at
11920         start of diagnostics.
11921         * combine.c, cse.c: Don't translate dump file output.
11922         * toplev.c (print_version): Only translate output if going to
11923         stderr.
11924
11925 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11926
11927         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11928         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11929         typos.
11930
11931 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11932
11933         * pa.c (fix_range): Fix typo in comment.
11934
11935 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11936
11937         * tree-vrp.c (extract_range_from_assert): Replace
11938         fold (build (...)) with fold_build2.
11939
11940 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11941
11942         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11943         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11944         (format_types_orig, handle_format_attribute): Add support for
11945         format "gcc_gfc".
11946
11947 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11948
11949         * varasm.c (assemble_variable): Fix format specifier thinko.
11950
11951 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11952
11953         PR tree-optimization/22029 (and 22135)
11954         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11955         a phi node before calling dump_vops.
11956
11957 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11958
11959         * tree-dump.h (dump_string_field): Declare.
11960         * tree-dump.c: Use it instead of dump_string.
11961         (dump_string_field): Make non-static.
11962
11963 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11964
11965         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11966         up the minimal CFG stuff always when optimize > 0.  Call
11967         split_all_insns_noflow in PIC case if needed.
11968
11969 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11970             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11971
11972         PR c++/18279
11973         * c-decl.c (c_write_global_declarations): Dump contents of
11974         external scope to.
11975         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11976         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11977         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11978         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11979         is enabled.
11980
11981 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11982
11983         * c-common.h (GCC_DIAG_STYLE): Define.
11984         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11985         version for format checking to 4.1.
11986         * c-format.c: Include toplev.h after c-common.h.
11987         (enum format_type): Add gcc_tdiag_format_type.
11988         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11989         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11990         (format_types_orig): Add gcc_tdiag.
11991         (init_dynamic_diag_info): Support gcc_tdiag formats.
11992         (handle_format_attribute): Likewise.
11993         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11994         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11995         version for format checking to 4.1.
11996         (warning0, warning, error, pedwarn, sorry): Use
11997         ATTRIBUTE_GCC_DIAG.
11998         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11999         (finish_aliases_1): Do not use %qE.
12000         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12001         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12002         Correct format bugs.
12003         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12004         parameter to unsigned HOST_WIDE_INT.
12005         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12006
12007 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12008
12009         PR middle-end/21742
12010         * expr.c (write_complex_part): Use adjust_address for MEM.
12011         (read_complex_part): Same.
12012
12013 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12014
12015         Fix PR tree-optimization/22280
12016
12017         * tree-sra.c (generate_element_init): Remove useless loop.
12018
12019 2005-07-02  Richard Henderson  <rth@redhat.com>
12020
12021         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12022         TLS_MODEL_NONE.
12023         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12024
12025 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12026
12027         PR middle-end/14490
12028         * fold-const.c (fold_binary): Handle the return value of
12029         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12030         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12031
12032 2005-07-02  Jeff Law  <law@redhat.com>
12033
12034         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12035         a eliminate type conversion which feeds an equality comparison
12036         if the original type or either operand in the comparison is a
12037         function pointer.
12038
12039 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12040
12041         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12042         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12043         texts.
12044         * config/avr/avr.c: Do not use '`' as left quote.
12045         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12046         Remove "." from end of diagnostics.  Make diagnostics start with
12047         lowercase letter.
12048
12049 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12050             Joseph S. Myers  <joseph@codesourcery.com>
12051
12052         * toplev.c (default_tree_printer): Handle setting location with
12053         '+' flag.
12054         * c-objc.common.c (c_tree_printer): Likewise.
12055         * c-format.c (gcc_diag_flag_specs): Add '+'.
12056         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12057         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12058         formats.
12059         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12060         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12061         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12062         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12063         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12064         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12065         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12066         format arguments where %J is used without %D.
12067
12068 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12069
12070         * gcc.c (LINK_SSP_SPEC): Define.
12071         (link_ssp_spec): New variable.
12072         (LINK_COMMAND_SPEC): Add %(link_ssp).
12073         (static_specs): Add link_ssp_spec.
12074         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12075         * configure: Rebuilt.
12076         * config.in: Rebuilt.
12077
12078         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12079         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12080         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12081         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12082         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12083         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12084         -0x7008(2) instead of reading __stack_chk_guard variable.
12085         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12086         number.
12087         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12088         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12089         if TARGET_THREAD_SSP_OFFSET is defined.
12090         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12091         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12092
12093         Revert:
12094         2005-06-27  Richard Henderson  <rth@redhat.com>
12095         * libgcc-std.ver (GCC_4.1.0): New.
12096         * libgcc.h (__stack_chk_guard): Declare.
12097         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12098         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12099         * mklibgcc.in (lib2funcs): Add them.
12100
12101 2005-07-01  Richard Henderson  <rth@redhat.com>
12102
12103         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12104         void * before struct sigcontext *.
12105         (x86_fallback_frame_state): Likewise.
12106
12107 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12108
12109         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12110
12111 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12112
12113         PR tree-opt/22269
12114         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12115         we check for SSA_NAME for.
12116
12117 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12118
12119         Fix PR tree-optimization/22071
12120
12121         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12122         function.
12123         (get_constraint_for_component_ref): Use it.
12124
12125 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12126
12127         PR other/22264
12128         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12129         print out the last new line.
12130
12131 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12132
12133         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12134         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12135         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12136         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12137         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12138         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12139         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12140         (enum reg_class): New member CC0_REGS.
12141         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12142         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12143         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12144         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12145         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12146         Adjust for register now described.
12147
12148 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12149
12150         PR target/22262
12151         * config/i386/i386.md (stack_protect_test_si,
12152         stack_protect_test_di): Add earlyclobber for scratch 3.
12153         * config/rs6000/rs6000.md (stack_protect_testsi,
12154         stack_protect_testdi): Add earlyclobber for scratch 3,
12155         remove earlyclobber from scratch 4.
12156
12157 Older entries for 2005 can be found in ChangeLog-2005.