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PR middle-end/25457
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR middle-end/25457
4         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
5
6         PR target/25447
7         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
8         MODE_DECIMAL_FLOAT.
9
10 2005-12-16  Steven Bosscher  <stevenb@suse.de>
11
12         * loop-invariant.c (move_loop_invariants): Add missing hunk from
13         the previous patch, to nullify df.
14
15 2005-12-16  Steven Bosscher  <stevenb@suse.de>
16
17         * reorg.c (mostly_true_jump): Clean up code depending on
18         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
19         poor man's branch prediction, instead rely on REG_BR_PROB
20         notes to be available.
21
22 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
23
24         PR rtl-optimization/24899
25         * loop.c (strength_reduce): Don't reduce giv that is not always
26         computable and where add_val or mult_val can trap.
27
28         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
29
30 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
31
32         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
33         names of ms1-16-002 files.
34
35 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
36
37         PR driver/20425
38         * gcc.c (for_each_path): New function.
39         (add_to_obstack, file_at_path): New functions.
40         (struct file_at_path_info, struct add_to_obstack_info): New.
41         (build_search_list): Rewrite using for_each_path.  Constify struct
42         path_prefix pointer.  Add do_multi param.  Adjust all callers.
43         (find_a_file): Similarly, but just change existing param to bool.
44         (putenv_from_prefixes): Add do_multi param, make "paths" const.
45         (do_spec_path): Delete.
46         (struct spec_path_info): New.
47         (spec_path): New function.
48         (do_spec_1): Use for_each_path for %D and %I.
49         (find_file): Adjust for find_a_file changes.
50         (main): Search multilibs for specs.  Print multilib lib path for
51         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
52         (read_specs): Search multilibs for %include and %include_noerr.
53         (is_directory): Remove second string param.  Change last param
54         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
55         check path is a dir.  Update all callers.
56         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
57         * system.h (SMALL_ARG_MAX): Poison.
58         * config.gcc: Don't define SMALL_ARG_MAX.
59         * config.host: Likewise.
60         * config.build: Likewise.
61
62 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
63
64         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
65         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
66         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
67         simplify_logical): Move simplifications that do not require
68         additional infrastructure...
69         * simplify-rtx.c (simplify_unary_operation_1,
70         simplify_binary_operation_1): ... here.
71
72 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
73
74         PR 24823
75         * flow.c (mark_used_dest_regs): New function.
76         (mark_used_regs): Call mark_used_dest_regs.
77
78 2005-12-16  Jeff Law  <law@redhat.com>
79
80         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
81         represent a use and definition of the same SSA_NAME.
82
83 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
84             Janis Johnson  <janis187@us.ibm.com>
85             Ben Elliston  <bje@au.ibm.com>
86
87         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
88         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
89         * target.h (struct gcc_target): Add decimal_float_supported_p.
90         * targhooks.c (default_scalar_mode_supported_p): Handle
91         MODE_DECIMAL_FLOAT.
92         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
93         of inf, nan, finite, isinf and isnan.
94         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
95         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
96         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
97         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
98         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
99         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
100         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
101         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
102         Pedwarn if decimal floating point types are used.  Error if
103         decimal floating point is not supported by the target.
104         (finish_declspecs): Return type from DFP typespec_word.
105         * c-typeck.c (c_common_type): Choose the decimal floating point
106         type with the greater precision when determining a common type.
107         (convert_arguments): Warn if there is a mismatch between argument
108         and prototype for decimal float types.  Warn of conversions with
109         binary float types and of precision narrowing due to prototype.
110         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
111         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
112         (c_token_starts_declspecs): Likewise.
113         (c_parser_attributes): Likewise.
114         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
115         RID_DFLOAT64, RID_DFLOAT128.
116         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
117         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
118         (shorten_compare): Convert DFP/BFP operands to a common type.
119         (c_common_modes_and_builtins): Register built-in decimal float
120         types if the target supports them.
121         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
122         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
123         inf, nan, finite, isinf and isnan builtins.
124         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
125         (builtin_define_float_constants): Assert non-decimal radix.
126         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
127         Call builtin_define_decimal_float_constants for each type.
128         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
129         flags.  Use real_from_string3, which can handle binary or decimal
130         floats.
131         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
132         cts_dfloat64, cts_dfloat128.
133         * tree.c (build_common_tree_nodes_2): Add decimal float types.
134         * tree.h (enum tree_index): Add new enumeration values
135         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
136         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
137         (dfloat32_type_node): New macro.
138         (dfloat64_type_node, dfloat128_type_node): Likewise.
139         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
140         (dfloat128_ptr_type_node): Likewise.
141         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
142         bit decimal floating point types with "df", "dd" and "dl".
143         * c-format.h (enum format_lengths): Add new enumeration values
144         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
145         * c-format.c (printf_length_specs, scanf_length_specs): Add
146         entries for H, D, DD.
147         (print_char_table, scan_char_table): Use new entries.
148         (asm_fprintf_char_table, gcc_diag_char_table,
149         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
150         length arrays.
151         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
152         (DECIMAL64_TYPE_SIZE): Likewise.
153         (DECIMAL128_TYPE_SIZE): Likewise.
154         (TARGET_DEC_EVAL_METHOD): Likewise.
155         * doc/extend.texi (Decimal Float): New node.
156         (Constructing Calls): Document decimal float built-ins.
157         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
158         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
159         * ginclude/decfloat.h: New file.
160
161 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
162
163         * reload.c (find_reloads): Fix comment typo.
164         * recog.h (recog_memoized): Correct comment.
165
166 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
167
168         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
169         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
170         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
171         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
172         * doc/invoke.texi, doc/tm.texi: Fix typos.
173
174 2005-12-16  Ben Elliston  <bje@au.ibm.com>
175
176         * real.c (decimal_quad_format): Correct values for emin, emax.
177
178 2005-12-15  DJ Delorie  <dj@redhat.com>
179
180         * config/m32c/predicates.md (m32c_psi_scale): New.
181         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
182         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
183
184 2005-12-16  Jan Hubicka  <jh@suse.cz>
185
186         PR rtl-optimization/25224
187         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
188         tables.
189
190 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
191             Steven Bosscher <stevenb@suse.de>
192
193         * loop-invariant.c (df): New global variable.
194         (find_defs, check_dependencies, find_invariant_insn, record_uses,
195         find_invariants_bb, find_invariants_body, find_invariants,
196         find_invariants_to_move, move_invariants, free_inv_motion_data,
197         move_single_loop_invariants, move_loop_invariants): Do not pass df in
198         arguments.
199
200 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
201
202         * varasm.c (default_unique_section_1): Use special section
203         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
204
205 2005-12-16  Ben Elliston  <bje@au.ibm.com>
206
207         * doc/invoke.texi (Warning Options): Document -Walways-true being
208         enabled by -Wall.
209
210 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
211
212         PR other/25028
213         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
214         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
215         __floatunditf): Use #error if type sizes don't match requirements
216         of implementation.
217         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
218         as wider floating-point type.  Use #error if type sizes don't
219         match requirements of implementation.  Avoid overflow in computing
220         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
221         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
222         (__floatundisf, __floatundidf): Likewise.
223         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
224         * config/ia64/ia64.c (ia64_init_libfuncs): Use
225         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
226         TFmode-TImode conversions.
227         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
228
229 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
230
231         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
232         Use builtin_define_with_int_value() instead of
233         adding a new check for every new major FreeBSD version.
234
235 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
236
237         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
238
239 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
240
241         * config/arm/predicates.md (call_memory_operand): New.
242         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
243
244 2005-12-15  Andrew Haley  <aph@redhat.com>
245
246         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
247         against prev_cache_entry == NULL when moving a cache entry to the
248         head of the list.
249         
250 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
251
252         * config/mt/mt.c (mt_override_options): Require lower case
253         architectures.  Revert accidental default to ms2.
254         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
255         ENDFILE_SPEC): Require lower case architectures.  Revert default
256         to ms2.
257
258         * doc/invoke.texi (MT Options): Rename and update.
259         * doc/md.texi (MorphoTech family): Rename and update.
260
261 2005-12-15  Olivier Hainque  <hainque@adacore.com>
262
263         * stor-layout.c (layout_type): Don't complain about a too small
264         an array element type size compared to its alignment when the
265         size overflows.
266
267 2005-12-15  Jan Hubicka  <jh@suse.cz>
268
269         PR target/24969
270         * i386.c (classify_argument): Properly adjust offset of bitfield for
271         substructures.
272
273 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
274
275         * final.c (final_scan_insn): Flip in_cold_section_p when changing
276         between the hot and cold sections.  Use current_function_section
277         to get the new section.
278         * dwarf2out.c (output_line_info): Use in_cold_section_p to
279         determine whether we are assembling hot or cold code.
280         (secname_for_decl, dwarf2out_var_location): Likewise.
281         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
282         * varasm.c (last_text_section): Delete.
283         (in_cold_section_p): New variable.
284         (hot_function_section): New function.
285         (current_function_section): Pass in_cold_section_p as the
286         reloc argument to select_section.  Use it to decide between
287         unlikely_function_section and hot_function_section.
288         (assemble_start_function): Use switch_to_section.  Set
289         in_cold_section_p instead of last_text_section.
290         (assemble_end_function): Use switch_to_section.
291         (switch_to_section): Don't set last_text_section.
292         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
293         argument to make the right choice between hot and cold sections.
294
295 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
296
297         Second part of MS1->MT renaming
298         * config/mt/mt.md (doloop_end): Call mt_add_loop.
299         (movqi, movhi): Call mt_set_memflags.
300         (*movdf_internal): Call mt_split_words. 
301         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
302         mt_set_memflags.
303         (cmpsi): Store to mt_compare_op[01].
304         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
305         bungt, bunle, bunlt): Call mt_emit_cbranch.
306         (prologue): Call mt_expand_prologue.
307         (epilogu): Call mt_expend_epilogue.
308         (eh_return): Call mt_expand_eh_return.
309         (eh_epilogue): Call me_emit_eh_epilogue.
310         (conditional_trap): Store to mt_compare_op[01].
311         * config/mt/crti.asm: Adjust comment.
312         * config/mt/crtn.asm: Adjust comment.
313         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
314         (mt_compare_op0, mt_compare_op1): Renamed.
315         (current_frame_info, zero_frame_info): Adjust type.
316         (mt_ucmpsi3_libcall): Renamed.
317         (mt_flag_delayed_branch): Renamed.
318         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
319         (mt_nops_required, mt_nop_reasons): Renamed.
320         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
321         mt_debug_stack, mt_print_operand_simple_address,
322         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
323         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
324         mt_function_arg_advance, mt_arg_partial_bytes,
325         mt_pass_by_reference, mt_function_arg_boundary,
326         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
327         mt_legitimate_address_p): Renamed, adjusted.
328         (mt_cpu): Renamed.
329         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
330         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
331         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
332         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
333         mt_expand_eh_return, mt_emit_eh_prologue,
334         mt_handl_interrupt_attribute): Renamed, adjusted.
335         (mt_attribute_table): Renamed, adjusted.
336         (mt_initial_elimination_offset, mt_generate_compare,
337         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
338         mt_secondary_reload_class, mt_function_value, mt_split_words,
339         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
340         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
341         (mt_labels): Renamed.
342         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
343         mt_machine_reorg): Renamed, adjusted.
344         (mt_attribute_table: Renamed.
345         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
346         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
347         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
348         * config/mt/mt.opt (march): Set mt_cpu_string.
349         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
350         (TARGET_CPU_CPP_BUILTINS): Adjust.
351         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
352         TARGET_MS2): Adjust.
353         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
354         (MT_MIN_INT): Renamed.
355         (RETURN_ADDR_RTX): Adjust.
356         (struct mt_frame_info): Renamed.
357         (current_frame_info): Adjust type.
358         (INITIAL_ELIMINATION_OFFSET): Adjust.
359         (MT_NUM_ARG_REGS): Renamed.
360         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
361         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
362         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
363         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
364         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
365         (mt_compare_op0, mt_compare_op1): Renamed.
366         * config/mt/mt-protos.h: Rename prototypes.
367
368 2005-12-15  Richard Guenther  <rguenther@suse.de>
369
370         * tree-flow.h (okay_component_ref_for_subvars): Remove.
371         (get_ref_base_and_extent): Declare.
372         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
373         (get_ref_base_and_extent): New function.
374         * tree-ssa-alias.c (find_used_portions): Use it.
375         * tree-ssa-structalias.c (get_constraint_for_component_ref):
376         Likewise.
377         * tree-ssa-operands.c (get_expr_operands): Likewise.
378
379 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
380
381         * combine.c: Remove force_to_mode's fourth parameter.
382         (force_to_mode): Do not handle REG.
383         (canon_reg_for_combine): New.
384         (make_field_assignment): Use it where the removed argument was non-NULL.
385
386 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
387
388         PR target/25406
389         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
390         error_mark_node.  Make alignment params unsigned.
391         * config/rs6000/rs6000-protos.h
392         (rs6000_special_round_type_align): Update prototype.
393         (rs6000_machopic_legitimize_pic_address): Remove arg names.
394
395 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
396
397         PR rtl-optimization/25310
398         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
399         of the eliminable register when substituting into a PLUS.
400
401 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
402
403         PR debug/25023
404         * config/i386/i386.c (ix86_force_to_memory): Always use
405         SImode push for HImode in -m32.
406         (ix86_free_from_memory): Likewise.
407
408 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
409
410         * gcc/config/arm/arm.md: Provide a big-endian version of the
411         (zero_extend:SI (subreg:QI ...)) splitter.
412
413 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
414
415         * struct-equiv.c (note_local_live): Handle hard regs with different
416         hard_regno_nregs.
417
418 2005-12-14  Jeff Law  <law@redhat.com>
419
420         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
421         to a structure containing state rather than a pointer to bool.
422         (case ARRAY_REF): New code to handle folding some array references.
423         (case ADDR_EXPR): Note when we are processing expressions found
424         within an ADDRE_EXPR.
425         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
426         for state variables rather than just a pointer to a boolean.
427         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
428         handling of constant string references.
429
430 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
431
432         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
433         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
434         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
435         Move other tst* patterns to retain partial order.
436
437 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
438
439         * config/s390/s390.md ("d0", "1"): New mode attributes.
440         ("<shift>di3", "<shift>si3"): Merge.
441         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
442         ("ashrdi3", "ashrsi3"): Merge.
443         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
444         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
445         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
446         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
447         ("*ashrdi3", "*ashrsi3"): Merge.
448         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
449
450 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
451
452         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
453         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
454         ("*extendqidi2", "*extendqisi2") Merge.
455         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
456         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
457         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
458         Move some patterns to retain partial ordering.
459
460 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
461
462         * config/s390/s390.md ("atype", "length"): Rewrite.
463         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
464
465 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
466
467         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
468
469 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
470
471         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
472         PARALLELs with a mode.
473
474 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
475
476         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
477         cond_expr parameter.
478
479 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
480
481         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
482
483 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
484
485         PR bootstrap/25397:
486
487         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
488         of STACK_REGS bits.
489
490         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
491
492 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
493
494         PR target/25254
495         PR target/24188
496         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
497         DECL_P, call get_section rather than get_named_section.  Supply
498         section flags to it.
499
500 2005-12-14  Ben Elliston  <bje@au.ibm.com>
501
502         * c-common.c (c_common_truthvalue_conversion): Generalise warning
503         for addresses converted to booleans; not just function addresses.
504         * c-typeck.c (build_binary_op): Warn for address comparisons which
505         can never be NULL (eg. func == NULL or &var == NULL).
506         * common.opt (Walways-true): New option.
507         * c-opts.c (c_common_handle_option): Set it with -Wall.
508         * doc/invoke.texi: Document it.
509
510 2005-12-13  Paul Brook  <paul@codesourcery.com>
511
512         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
513         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
514
515 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
516
517         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
518         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
519
520         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
521         (EXTRA_MULTILIB_PARTS): Define.
522
523 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
524
525         PR rtl-optimization/20070 / part1
526         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
527         count_or_remove_death_notes with kill == -1.
528         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
529         registers if PROP_POST_REGSTACK is set.
530         (mark_used_reg): Likewise.
531         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
532         REG_UNUSED notes for stack regs.
533         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
534         to match rtx_equiv_p machinery.  Change caller.
535         (outgoing_edges_match): Likewise.
536         (try_crossjump_to_edge): Use struct_equiv_block_eq
537         instead of flow_find_cross_jump.
538         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
539         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
540         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
541         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
542         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
543         (insns_match_p): Update prototype.
544         (flow_find_cross_jump): Remove prototype.
545         (struct_equiv_block_eq, struct_equiv_init): Declare.
546         (rtx_equiv_p, condjump_equiv_p): Likewise.
547         * struct-equiv.c: Include reload.h.
548         (IMPOSSIBLE_MOVE_FACTOR): Define.
549         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
550         (struct_equiv_improve_checkpoint): Likewise.
551         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
552         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
553         (struct_equiv_merge, find_dying_input): Likewise.
554         (resolve_input_conflict, note_local_live): Likewise.
555         (death_notes_match_p): Change parameters and processing
556         to match rtx_equiv_p machinery.  Change caller.
557         (insns_match_p): Likewise.
558         (flow_find_cross_jump): Replace with:
559         (struct_equiv_block_eq).
560
561         Back out this change:
562         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
563           * recog.c (verify_changes): Make it static.
564           * recog.h: Remove the corresponding prototype.
565
566 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
567
568         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
569         values.
570
571 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
572
573         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
574         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
575         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
576         TARGET_MS1_64_001 appropriately.
577         (ms1_machine_reorg): Use TARGET_MS2.
578
579 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
580
581         PR debug/25023
582         PR target/25293
583         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
584         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
585         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
586         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
587         Set mode to SI, adjust constraints.
588         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
589         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
590         32-bit code.
591
592 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
593
594         * c-cppbuiltin.c (builtin_define_float_constants): Add
595         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
596         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
597         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
598         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
599         to "((double)%sL)" otherwise "%s".
600
601 2005-12-13  Paul Brook  <paul@codesourcery.com>
602
603         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
604         apcs/atpcs.
605
606 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
607
608         * tree-flow.h: Allow compilation with a C++ compiler.
609         (struct edge_prediction): Prefix all field names  with "ep_".
610         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
611         (tree_predict_edge, combine_predictions_for_bb): Likewise.
612         (remove_predictions_associated_with_edge): Likewise.
613         
614 2005-12-12  Jeff Law  <law@redhat.com>
615
616         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
617         reassociation code.
618         * passes.c (init_optimization_passes): Run reassociation again
619         after loop optimizations.
620
621 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
622
623         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
624         if necessary.
625         (optimize_stmt): Ditto.
626         (canonicalize_comparison): New function.
627         * tree-ssa-operands.c (swap_tree_operands): Make external.
628         (get_expr_operands): Stop auto-canonicalization.
629         * tree-ssa-reassoc.c: Rewrite.
630         (init_optimization_passes): 
631         * tree-flow.h (swap_tree_operands): Prototype.
632         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
633
634 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
635
636         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
637         indicate function epilogue has been output.
638         (pa_asm_output_mi_thunk): Likewise.
639         (output_deferred_plabels): Put plabels in readonly data section when
640         not generating PIC code.
641         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
642         information.  Add assert.
643         (som_output_comdat_data_section_asm_op): New function.
644         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
645         instead of output_section_asm_op for COMDAT sections.
646
647 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
648
649         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
650         Fix whitespace in vincinity of to-be-installed changes.
651         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
652         (insns_match_p): Likewise.
653
654 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
655
656         * config.gcc (ms1): Replace with ...
657         (mt): ... this.
658         * config/ms1: Rename to ...
659         * config/mt: ... here.  Rename ms1 files to mt.
660         * config/mt/mt.c: Adjust gt-mt.h #include.
661         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
662         (crti.o, crtn.o): Adjust file names.
663
664 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
665
666         * varray.h: Allow compilation with a C++ compiler.
667         (union varray_data_tag): Prefix all field names with "vdt_".
668         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
669         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
670         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
671         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
672         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
673         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
674         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
675         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
676         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
677         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
678         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
679         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
680         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
681         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
682         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
683         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
684         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
685         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
686         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
687         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
688         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
689         VARRAY_TOP_TREE_PTR): Likewise.
690         * varray.c (varray_grow): Likewise.
691         (varray_clear): Likewise.
692
693 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
694
695         PR target/25299
696         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
697         alignment to doubleword if the first field is a double array.
698         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
699
700 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
701
702         * tree-ssa-structalias.c (process_constraint): Remove code to
703         transform addressofs into scalar.
704         (create_variable_info_for): In whole-program IPA, globals don't
705         point to ANYTHING by default.
706
707 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
708
709         * timevar.def (TV_IPA_PTA): New.
710         * tree-pass.h (pass_ipa_pta): New
711         * tree-ssa-structalias.c: Include cgraph.h
712         (in_ipa_mode): New.
713         (predbitmap_obstack): New.
714         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
715         (struct constraint_stats): Add num_edges.
716         (new_var_info): Don't call bitmap_clear.
717         (struct constraint_edge): Update docs.
718         (new_constraint_edge): Remove src param.
719         (struct constraint_graph): Add zero_weight_succs,
720         zero_weight_preds.  Update docs.
721         (constraint_expr_equal): Reformat.
722         (constraint_edge_equal): Update for removal of src.
723         (constraint_edge_less): Ditto.
724         (constraint_edge_vec_find): Ditto.
725         (erase_graph_self_edge): Update for removal of src and and zero
726         weight bitmap.
727         (clear_edges_for_node): Ditto.
728         (add_graph_edge): Ditto.
729         (get_graph_weights): Ditto.
730         (allocate_graph_weights): Ditto.
731         (merge_graph_nodes): Ditto.
732         (int_add_graph_edge): Ditto.
733         (valid_graph_edge): Ditto.
734         (valid_weighted_graph_edge): Ditto.
735         (build_constraint_graph): Ditto.
736         (scc_visit): Ditto.
737         (collapse_nodes): Ditto.
738         (process_unification_queue): Ditto.
739         (topo_visit): Ditto.
740         (solve_graph): Ditto.
741         (do_structure_copy): Ditto.
742         (perform_var_substitution): Ditto.
743         Init and release obstack.
744         (handle_ptr_arith): Try to resolve directly.
745         (find_func_aliases): Don't call update_alias_info here
746         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
747         (do_sd_constraint): Add code for propagating faster.
748         Update.
749         (do_ds_constraint): Ditto.
750         (count_num_arguments): New function.
751         (create_function_info_for): Ditto.
752         (create_variable_info_for): Handle FUNCTION_DECL.
753         (intra_create_variable_infos): Use make_constraint_to_anything.
754         (init_alias_vars): Init obstacks here.
755         (need_to_solve): Handle zero weight graph changes.
756         (compute_points_to_sets): Call update_alias_info here.
757         (delete_points_to_sets): Free zero weight preds/succs here.
758         (gate_ipa_pta): New.
759         (ipa_pta_execute): New
760
761 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
762
763         * tree-ssa-structalias.c (var_anyoffset): Removed.
764         (anyoffset_tree): Ditto.
765         (anyoffset_id): Ditto.
766         (do_deref): Take vector of constraints, no return value.
767         Update to work on vector.                
768         (get_constraint_for): Ditto.
769         (get_constraint_for_component_ref): Ditto.
770         (do_structure_copy): Ditto.
771         (handle_ptr_arith): Ditto.
772         (find_func_aliases): Ditto.
773         (set_uids_in_ptset): Remove anyoffset handling.
774         (init_base_vars): Ditto.
775
776 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
777
778         PR c++/25010
779         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
780         DECL_EXTERNAL functions have no bodies.  Tidy.
781
782 2005-12-10  Andreas Schwab  <schwab@suse.de>
783
784         * except.c (switch_to_exception_section): Only define if
785         TARGET_UNWIND_INFO is not defined.
786
787 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
788
789         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
790         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
791
792 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
793
794         * output.h (init_section, fini_section): Delete.
795         * varasm.c (init_section, fini_section): Delete.
796         (init_varasm_once): Don't initialize them.
797         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
798         there are no corresponding varasm.c variables.
799
800 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
801
802         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
803         of EH_FRAME_SECTION_NAME into...
804         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
805         if it is still null.
806         * except.c (default_exception_section): Delete, moving most
807         of the code to...
808         (switch_to_exception_section): ...this new function.  Set
809         exception_section if it is still null, then switch to it.
810         (output_function_exception_table): Use switch_to_exception_section.
811         * varasm.c (exception_section, eh_frame_section): Update comments.
812         (get_section): Hoist use of SECTION_NAMED.
813         (init_varasm_once): Don't set exception_section and eh_frame_section.
814         * output.h (default_exception_section): Delete.
815         (default_eh_frame_section): Delete.
816
817 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
818
819         * config/bfin/bfin.c: Include "cgraph.h".
820         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
821         Return the reg that holds the pointer to the GOT.
822         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
823         doing stack checking.
824
825 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
826
827         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
828         recompute_tree_invarant_for_addr_expr.
829         Update uses everywhere.
830
831 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
832
833         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
834         (MULTILIB_DIRNAMES): Define.
835
836 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
837
838         PR target/25311
839         * config/s390/s390.c (struct s390_address): New field literal_pool.
840         (s390_decompose_address): Compute literal_pool field.  Do not 
841         assume register %r13 is always (and solely) used as pool base.
842         (s390_extra_constraint_str): Use literal_pool field.
843
844 2005-12-09  Thiemo Seufer  <ths@networkno.de>
845
846         * config/mips/mips.c (override_options): Don't allow too small
847         integers in FP registers.
848
849 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
850
851         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
852         targetm.binds_local_p to check for local function calls.
853
854 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
855
856         PR debug/24908
857         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
858         call_used_regs can't be used to save reg in another reg.
859
860 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
861             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
862
863         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
864         abort.
865         * except.c (output_ttype): Likewise.
866         * tree-object-size.c (collect_object_sizes_for): Likewise.
867         (check_for_plus_in_loops_1): Likewise.
868         (check_for_plus_in_loops): Likewise.
869         (compute_object_sizes): Use gcc_unreachable instead of abort.
870
871 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
872
873         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
874         (loop_end, loop_init, doloop_end): New insns.
875         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
876         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
877         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
878         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
879         * config/ms1/ms1.c: #include basic-block.h
880         (struct machine_function): Add has_loops field.
881         (ms1_add_loop): New.
882         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
883         (struct loop_info, struct loop_work): New.
884         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
885         (ms1_reorg_loops): New loop optimization.
886         (ms1_machine_reorg): Call it.
887         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
888
889 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
890
891         PR tree-optimization/25248
892         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
893         evolution_of_loop from the failed attempt.  Remove handling
894         of MULT_EXPR.
895
896 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
897
898         * tree.h (DECL_EXTERNAL): Clarify documentation.
899
900 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
901             Jakub Jelinek  <jakub@redhat.com>
902
903         PR target/25268
904         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
905         argument.  Don't drop outer ANDs.
906         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
907         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
908         prototype.
909         * config/s390/predicates.md (setmem_operand): Remove.
910         (shift_count_operand): Rename to...
911         (shift_count_or_setmem_operand): ... this.  Adjust
912         s390_decompose_shift_count caller.
913         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
914         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
915         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
916         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
917         rotl<mode>3_and, setmem_long_and): New insns.
918         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
919         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
920         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
921         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
922         of shift_count_operand.
923         (setmem_long): Use shift_count_or_setmem_operand instead of
924         setmem_operand.
925
926 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
927             Andreas Tobler  <a.tobler@schweiz.ch>
928
929         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
930         tr expression.
931
932 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
933
934         * expr.c (force_operand): Use convert_to_mode for conversions.
935
936 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
937
938         * reload.h (reg_equiv_invariant): Declare.
939         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
940         register also when reg_equiv_invariant[R] is set.
941
942 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
943             Andreas Tobler  <a.tobler@schweiz.ch>
944
945         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
946
947 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
948
949         * tree-ssa-pre.c (bitmap_set_and): New function.
950         (bitmap_set_and_compl): New function.
951         (bitmap_set_empty_p): New function.
952         (insert_extra_phis): New function.
953         (compute_avail): Use insert_extra_phis.
954
955 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
956
957         * config/s390/s390.c (s390_expand_atomic): New function.
958         Adjust comment of helper functions.
959         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
960         * config/s390/s390.md ("ATOMIC"): New code macro.
961         ("atomic"): Corresponding new code attribute.
962         ("sync_lock_test_and_set[hq]i", 
963         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
964
965 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
966
967         * config/s390/s390.c (s390_expand_mask_and_shift, 
968         struct alignment_context, init_alignment_context, 
969         s390_expand_cs_hqi): New.
970         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
971         * config/s390/s390.md ("sync_compare_and_swaphi",
972         "sync_compare_and_swapqi"): New pattern.
973
974 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
975
976         Fix PR tree-optimization/25291
977         * tree-ssa-operands.c (add_call_clobber_ops): Remove
978         redundant and crashing check.
979
980 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
981
982         PR target/25212
983         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
984         tests further when !strict && reload_in_progress.
985         (print_operand): Check that both operands of indexed address are regs.
986         (print_operand_address): Likewise.
987         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
988         (INT_REG_OK_FOR_BASE_P): Correct.
989
990 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
991
992         Preparation for PR rtl-optimization/20070 / part1
993         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
994         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
995         outgoing_edges_match.
996         (outgoing_edges_match): Use condjump_equiv_p.
997         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
998         into..
999         * struct-equiv.c: New file.
1000         (death_notes_match_p) New function, broken out of insns_match_p.
1001         * Makefile.in (OBJS-common): Add struct-equiv.o.
1002         (struct-equiv.o): New target.
1003
1004 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1005
1006         * coretypes.h: Revert previous change.
1007         * config/darwin.h: Revert previous reversion.
1008         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1009
1010 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1011
1012         * coretypes.h (section): Provide dummy definition for target files.
1013         * config/darwin.h: Revert previous change.
1014
1015 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1016
1017         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1018         * configure.ac: Remove all.build and install-normal from target_list
1019         * configure: Regenerate.
1020         * Makefile.in (install): Don't depend on install-normal.
1021
1022 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1023
1024         * Makefile.in: Document the use of stamps.
1025
1026 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1027
1028         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1029         * Makefile.in: Add code to compute some dependencies on s-gtype
1030         automatically.  Remove the declaration of those dependencies.
1031
1032 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1033
1034         * gcc/reload.c (push_secondary_reload): Fix typo:
1035         s/insn_constraint/scratch_constraint/.
1036
1037 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1038
1039         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1040
1041 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1042
1043         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1044         (alpha_elf_select_rtx_section): Return the selected section rather
1045         than emitting assembly code.
1046         (alpha_write_linkage): Emit a ".link" directive directly and then
1047         set in_section to NULL.
1048         (vms_asm_out_constructor): Use switch_to_section.
1049         (vms_asm_out_destructor): Likewise.
1050         (unicosmk_output_common): Set in_section to NULL instead of calling
1051         the dummy common_section function.
1052         (unicosmk_text_section): Delete in favor of...
1053         (unicosmk_output_text_section_asm_op): ...this new function.
1054         (unicosmk_data_section): Delete in favor of...
1055         (unicosmk_output_data_section_asm_op): ...this new function.
1056         (unicosmk_init_sections): New function.
1057         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1058         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1059         the dummy ssib_section function.
1060         (unicosmk_section_buf): Delete.
1061         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1062         (unicosmk_data_section): Delete.
1063         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1064         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1065         (SECTION_FUNCTION_TEMPLATE): Delete.
1066         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1067         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1068         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1069         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1070         (TARGET_ASM_INIT_SECTIONS): Define.
1071         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1072         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1073         (link_section, literals_section): Delete.
1074         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1075         set in_section to NULL.
1076
1077         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1078         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1079         (COMMON_SECTION): Delete.
1080         (TARGET_ASM_INIT_SECTIONS): Define.
1081         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1082         the dummy common_section function.
1083         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1084         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1085         between readonly_data_section and text_section to check whether
1086         read-only data is being put in the text section.
1087         (arm_output_function_epilogue): Use switch_to_section.
1088         (arm_elf_asm_constructor): Likewise.
1089         (thumb_call_via_reg): Replace call to in_text_section with
1090         a comparison between in_section and text_section.
1091         (arm_file_end): Use switch_to_section.
1092         (aof_text_section): Delete in favor of...
1093         (aof_output_text_section_asm_op): ...this new function.
1094         (aof_data_section): Delete in favor of...
1095         (aof_output_data_section_asm_op): ...this new function.
1096         (aof_asm_init_sections): New function.
1097         (zero_init_section): Moved from config/arm/aof.h.
1098         (aof_dump_imports, aof_file_start): Use switch_to_section.
1099         * config/arm/arm.h (thumb_call_via_label): Update comment.
1100         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1101         (common_section): Delete.
1102         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1103         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1104         global switch_to_section function instead of the old port-local one.
1105         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1106         (SWITCH_TO_SECTION_FUNCTION): Delete.
1107         (drectve_section): Redefine as a macro.
1108         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1109         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1110         switch_to_section.
1111
1112         * config/avr/avr.c (progmem_section): New variable.
1113         (avr_output_progmem_section_asm_op): New function.
1114         (avr_asm_init_sections): New function.
1115         (avr_output_addr_vec_elt): Use switch_to_section.
1116         * config/avr/avr.h (progmem_section): Declare.
1117         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1118         (READONLY_DATA_SECTION): Delete.
1119         (TARGET_ASM_INIT_SECTIONS): Define.
1120         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1121         * config/avr/avr-protos.h (progmem_section): Delete.
1122
1123         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1124
1125         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1126         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1127
1128         * config/darwin-sections.def: New file.
1129         * config/darwin.c: Define all sections in darwin-sections.def.
1130         (output_objc_section_asm_op, darwin_init_sections): New functions.
1131         (machopic_output_indirection): Use switch_to_section.
1132         (machopic_select_section): Return the selected section rather than
1133         emitting assembly code.  Replace the static function table with
1134         inline conditional expressions.  Update the tests of last_text_section
1135         and move them into the FUNCTION_DECL block.
1136         (machopic_select_rtx_section): Return the selected section rather than
1137         emitting assembly code.
1138         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1139         (darwin_file_end): Use switch_to_section.
1140         * config/darwin.h: Use darwin-sections.def to declare sections.
1141         (INIT_SECTION_ASM_OP): Remove empty definition.
1142         (HAS_INIT_SECTION): Define this instead.
1143         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1144         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1145         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1146         (TARGET_ASM_INIT_SECTIONS): Define.
1147         * config/darwin-protos.h (darwin_init_sections): Declare.
1148         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1149         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1150         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1151         (constructor_section, destructor_section, mod_init_section): Delete.
1152         (mod_term_section): Delete.
1153         (darwin_exception_section, darwin_eh_frame_section): Delete.
1154         (machopic_select_section): Return a section.
1155         (machopic_select_rtx_section): Likewise.
1156         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1157         (const_section, const_coal_section, const_data_section): Delete.
1158         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1159         (literal4_section, literal8_section, constructor_section): Delete.
1160         (mod_init_section, mod_term_section, destructor_section): Delete.
1161         (objc_class_section, objc_meta_class_section, objc_category_section)
1162         (objc_class_vars_section, objc_instance_vars_section): Delete.
1163         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1164         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1165         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1166         (objc_symbols_section, objc_module_info_section): Delete.
1167         (objc_image_info_section, objc_protocol_section): Delete.
1168         (objc_string_object_section, objc_constant_string_object_section)
1169         (objc_class_names_section, objc_meth_var_names_section): Delete.
1170         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1171         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1172         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1173         (darwin_exception_section, darwin_eh_frame_section): Delete.
1174         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1175
1176         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1177         (frv_asm_out_destructor): Likewise.
1178         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1179         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1180         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1181         get_named_section.
1182         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1183         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1184         (data_section): Delete.
1185
1186         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1187         (DRECTVE_SECTION_FUNCTION): Delete.
1188         (drectve_section): Redefine as a macro that sets in_section after
1189         emitting the directive.
1190         (SWITCH_TO_SECTION_FUNCTION): Delete.
1191         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1192         in_text_section with comparison between in_section and text_section.
1193         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1194         rather than emitting assembly code.  Use get_named_section.
1195         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1196         get_named_section.
1197         (machopic_output_stub): Use switch_to_section.
1198         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1199         (nwld_named_section_asm_out_destructor): Use get_section and
1200         switch_to_section.
1201
1202         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1203         rather than emitting assembly code.
1204         (ia64_rwreloc_select_section): Likewise.
1205         (ia64_rwreloc_select_rtx_section): Likewise.
1206         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1207         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1208         switch_to_section.
1209         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1210         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1211
1212         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1213         section rather than emitting assembly code.
1214         (iq2000_select_section): Likewise.
1215         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1216         (sbss_section): Delete.
1217
1218         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1219         and get_named_section.
1220         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1221
1222         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1223         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1224         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1225         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1226         in_section to NULL.
1227         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
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         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1231         (SWITCH_SECTION_FUNCTION): Delete.
1232         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1233         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1234         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1235         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1236         in_section to NULL.
1237         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1238         global switch_to_section function instead of the old port-local one.
1239         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1240
1241         * config/mips/mips.c (mips_file_start): Update comment.
1242         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1243         (mips_output_aligned_decl_common): Use switch_to_section.
1244         (mips_select_rtx_section): Return the section rather than emitting
1245         assembly code.  Use get_named_section.
1246         (mips_function_rodata_section: Likewise get_section.
1247         (build_mips16_function_stub): Use switch_to_section.
1248         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1249         (SDATA_SECTION_ASM_OP): Delete.
1250         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1251         (EXTRA_SECTION_FUNCTIONS): Delete.
1252
1253         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1254         (mmix_asm_output_aligned_local): Use switch_to_section.
1255
1256         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1257         (som_one_only_readonly_data_section): New variables.
1258         (pa_output_function_epilogue): Set in_section to NULL instead of
1259         calling forget_section.
1260         (output_deferred_plabels): Use select_section.
1261         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1262         of calling forget_section.
1263         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1264         (pa_asm_output_aligned_local): Use select_section.
1265         (som_text_section_asm_op): Delete in favor of...
1266         (som_output_text_section_asm_op): ...this new function.
1267         (pa_som_asm_init_sections): New function.
1268         (pa_select_section): Return the section rather than emitting
1269         assembly code.
1270         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1271         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1272         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1273         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1274         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1275         (som_readonly_data_section, som_one_only_readonly_data_section)
1276         (som_one_only_data_section, forget_section): Delete.
1277         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1278         (TARGET_ASM_INIT_SECTIONS): Define.
1279         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1280
1281         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1282         (private_data_section, read_only_private_data_section): New variables.
1283         (sdata2_section, toc_section): New variables.
1284         (rs6000_file_start): Use switch_to_section.
1285         (rs6000_assemble_integer): Use comparisons against in_section
1286         instead of calling in_toc_section and in_text_section.  Use
1287         unlikely_text_section_p.
1288         (rs6000_elf_output_toc_section_asm_op): New function, derived
1289         from the old rs6000/sysv4.h toc_section function.
1290         (rs6000_elf_asm_init_sections): New function.
1291         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1292         the section rather than emitting assembly code.
1293         (machopic_output_stub): Use switch_to_section.
1294         (toc_section): Delete dummy function.
1295         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1296         switch_to_section and get_section.
1297         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1298         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1299         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1300         the old rs6000/xcoff.h toc_section function.
1301         (rs6000_xcoff_asm_init_sections): New function.
1302         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1303         the section rather than emitting assembly code.
1304         (rs6000_xcoff_file_start): Use switch_to_section.
1305         (rs6000_xcoff_file_end): Likewise.
1306         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1307         (sdata2_section, sbss_section, private_data_section): Delete.
1308         (read_only_data_section, read_only_private_data_section): Delete.
1309         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1310         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1311         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1312         (FINI_SECTION_FUNCTION): Delete.
1313         (TARGET_ASM_INIT_SECTIONS): Define.
1314         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1315         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1316         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1317         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1318         (READONLY_DATA_SECTION): Delete.
1319         (TARGET_ASM_INIT_SECTIONS): Define.
1320         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1321         to NULL rather than no_section.
1322         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1323
1324         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1325
1326         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1327         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1328         from call to current_function_section.
1329
1330         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1331         (bss100_section): New variable.
1332         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1333         (xstormy16_asm_init_sections): New function.
1334         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1335         switch_to_section and get_section.
1336         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1337         from calls to current_function_section.
1338         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1339         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1340         (TARGET_ASM_INIT_SECTIONS): Define.
1341         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1342
1343         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1344         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1345         (FINI_SECTION_FUNCTION): Delete.
1346
1347         * config/v850/v850.c: Include gt-v850.h.
1348         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1349         (zbss_section): New variables.
1350         (v850_output_aligned_bss): Use switch_to_section.
1351         (v850_asm_init_sections): New function.
1352         (v850_select_section): Return the section rather than emitting
1353         assembly code.
1354         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1355         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1356         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1357         (TARGET_ASM_INIT_SECTIONS): Define.
1358         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1359         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1360         (zbss_section): Delete.
1361
1362         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1363
1364         * config/vx-common.h (vxworks_exception_section): Delete.
1365         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1366
1367         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1368         section rather than emitting assembly code.
1369         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1370         switch_to_section.
1371
1372         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1373         * coretypes.h (section): New union and typedef.
1374         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1375         from call to current_function_section.
1376         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1377         (dbxout_symbol_location): Use switch_to_section.
1378         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1379         most of the code into...
1380         (default_eh_frame_section): ...here.  Return a section.
1381         (collect2_eh_frame_section): Delete, moving most of the code into..
1382         (switch_to_eh_frame_section): ...this new function.
1383         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1384         (debug_macinfo_section, debug_line_section, debug_loc_section)
1385         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1386         variables.
1387         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1388         eh_frame_section.  Use switch_to_section and get_section.
1389         (dwarf2out_begin_prologue): Use switch_to_section.
1390         (AT_string_form): Check the flags in debug_str_section instead of
1391         DEBUG_STR_SECTION_FLAGS.
1392         (output_comp_unit): Use switch_to_section, get_section, and
1393         debug_info_section.
1394         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1395         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1396         from call to current_function_section.
1397         (dwarf2out_var_location): Use unlikely_text_section_p.
1398         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1399         from call to current_function_section.
1400         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1401         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1402         debug_macinfo_section.
1403         (dwarf2out_init): Initialize the new section variables.  Use them
1404         instead of calls to named_section_flags.  Use switch_to_section.
1405         (output_indirect_string): Use switch_to_section and debug_str_section.
1406         (dwarf2out_finish): Use switch_to_section and the new section
1407         variables.
1408         * except.c (default_exception_section): Return the section instead
1409         of emitting assembly code.
1410         (output_function_exception_table): Use the global exception_section
1411         variable instead of the target hook.  Use switch_to_section.  Remove
1412         argument from call to current_function_section.
1413         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1414         (shorten_branches): Use pointer comparisons to detect whether the
1415         text section is the same as readonly_data_section.
1416         (profile_function): Use switch_to_section.  Remove argument from
1417         call to current_function_section.
1418         (final_scan_insn): Likewise.  Update use of last_text_section.
1419         * gengtype.c (open_base_files): Add an include of output.h.
1420         * output.h (text_section, data_section, readonly_data_section)
1421         (ctors_section, dtors_section, bss_section, init_section)
1422         (fini_section, sdata_section): Turn into section pointers.
1423         (in_text_section, in_unlikely_text_section, exports_section)
1424         (drectve_section, named_section, mergeable_string_section)
1425         (last_text_section_name): Delete.
1426         (default_exception_section, default_eh_frame_section): Return sections.
1427         (SECTION_DECLARED, SECTION_NAMED): New macros.
1428         (SECTION_MACH_DEP): Bump value.
1429         (section_common, named_section, unnamed_section): New structures.
1430         (unnamed_section_callback): New typedef.
1431         (section): New union.
1432         (sbss_section, exception_section, eh_frame_section): New variables.
1433         (in_section, last_text_section): Turn into section pointers.
1434         (get_unnamed_section, get_section, get_named_section): New functions.
1435         (mergeable_constant_section, function_section): Return a section.
1436         (unlikely_text_section): Likewise.
1437         (current_function_section): Likewise.  Remove the decl argument.
1438         (unlikely_text_section_p, switch_to_section): New functions.
1439         (output_section_asm_op): New function.
1440         (set_named_section_flags, named_section_flags, named_section_real)
1441         (named_section_first_declaration): Delete.
1442         (default_select_section, default_elf_select_section): Return a section.
1443         (default_elf_select_section_1, default_function_rodata_section)
1444         (default_no_function_rodata_section, default_select_rtx_section)
1445         (default_elf_select_rtx_section): Likewise.
1446         * rtl.h (in_data_section): Delete.
1447         * sdbout.c (sdbout_one_type): Use switch_to_section.
1448         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1449         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1450         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1451         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1452         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1453         (TARGET_ASM_OUT): Update after above changes.
1454         * target.h (init_sections): New hook.
1455         (exception_section, eh_frame_section): Delete.
1456         (select_section, select_rtx_section, function_rodata_section): Return
1457         a section rather than emitting assembly code.
1458         * varasm.c (text_section, data_section, readonly_data_section)
1459         (ctors_section, dtors_section, bss_section, init_section)
1460         (fini_section): Turn into section pointers.
1461         (sdata_section, sbss_section, exception_section): New variables.
1462         (eh_frame_section): New variable.
1463         (in_section): Make global and turn into a section pointer.
1464         (last_text_section): Turn into a section pointer.
1465         (unnamed_sections): New variable.
1466         (in_named_name, last_text_section_name): Delete.
1467         (EXTRA_SECTION_FUNCTIONS): Delete.
1468         (in_named_entry): Delete.
1469         (section_htab): New variable, replacing...
1470         (in_named_htab): ...this deleted variable.
1471         (section_entry_eq, section_entry_hash): New functions, based on...
1472         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1473         (get_unnamed_section, get_section): New functions.
1474         (unlikely_text_section): Return a section instead of emitting
1475         assembly code.
1476         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1477         (get_named_section_flags, named_section_first_declaration): Delete.
1478         (unlikely_text_section_p): New function.
1479         (named_section_real, named_section): Delete.
1480         (get_named_section): New function.
1481         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1482         (function_section): Return a section rather than emitting
1483         assembly code.
1484         (current_function_section): Likewise.  Remove argument.  Use
1485         last_text_section if nonnull, otherwise use function_section.
1486         (default_function_rodata_section): Return a section rather than
1487         emitting assembly code.  Use get_section.
1488         (default_no_function_rodata_section): Return a section rather than
1489         emitting assembly code.
1490         (variable_section): Use switch_to_section and get_named_section.
1491         (mergeable_string_section): Return a section rather than emitting
1492         assembly code.  Use get_section.  Make static.  Don't take special
1493         countermeasures for empty strings.
1494         (mergeable_constant_section): Return a section rather than emitting
1495         assembly code.  Use get_section.
1496         (default_named_section_asm_out_destructor): Use switch_to_section
1497         and get_section.
1498         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1499         (default_named_section_asm_out_constructor): Use switch_to_section
1500         and get_section.
1501         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1502         (assemble_start_function): Likewise.  Set last_text_section to
1503         NULL rather than no_section.  Change the type of save_section.
1504         (assemble_zeros, assemble_variable): Use the section flags to detect
1505         whether or not a section is text.
1506         (assemble_static_space): Use switch_to_section.
1507         (assemble_trampoline_template): Likewise.
1508         (output_constant_def_contents): Use switch_to_section and
1509         get_named_section.
1510         (output_constant_pool_1): Use switch_to_section.  Use the section
1511         flags to see whether sections contain mergeable data.
1512         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1513         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1514         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1515         whether a section has already been declared.
1516         (default_select_section, default_elf_select_section): Return a
1517         section rather than emitting assembly code.
1518         (default_elf_select_section_1): Likewise.  Use bss_section for
1519         SECCAT_BSS if nonnull.  Use get_named_section.
1520         (default_select_rtx_section): Return a section rather than
1521         emitting assembly code.
1522         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1523         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1524         (output_section_asm_op, switch_to_section): New functions.
1525         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1526         get_named_section.
1527
1528         * doc/tm.texi: Expand the introduction to the sections documentation.
1529         (TRAMPOLINE_SECTION): Document new interface.
1530         (SDATA_SECTION_ASM_OP): Document new macro.
1531         (READONLY_DATA_SECTION): Delete.
1532         (SDATA_SECTION_ASM_OP): Document new macro.
1533         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1534         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1535         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1536         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1537         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1538
1539 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1540
1541         * gcc.c (init_gcc_specs): Match braces inside conditionally
1542         compiled strings.
1543
1544 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1545
1546         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1547
1548 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1549
1550         PR C++/24138
1551         * tree.c (integer_all_onesp): Always return true if all bits on.
1552
1553         * testsuite/g++.dg/init/array0.C: New.
1554
1555 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1556
1557         * doc/md.texi: Adapt to implementation.
1558
1559 2005-12-06  Andreas Schwab  <schwab@suse.de>
1560
1561         * opts.c (decode_options): Fix typo in message.
1562
1563 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1564
1565         PR other/13873
1566         * longlong.h: Merge PPC tests from upstream.
1567
1568 2005-12-06  Richard Guenther  <rguenther@suse.de>
1569
1570         * fold-const.c (fold_convert): Do not build and fold
1571         CONVERT_EXPR, but always use NOP_EXPR.
1572
1573 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1574
1575         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1576         __builtin_ia32_paddq and __builtin_ia32_subq.
1577         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1578         __builtin_ia32_pshufw.
1579         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1580
1581 2005-12-05  James E Wilson  <wilson@specifix.com>
1582
1583         PR target/24934
1584         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1585         is set.
1586
1587 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1588         
1589         * print-tree.c (print_node): Ditto.
1590         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1591         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1592         before accessing DECL_ARTIFICIAL. 
1593         Handle new tag tree codes.
1594         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1595         changes.
1596         (unmodifiable_var_p): Ditto.
1597         * tree-flow.h (mem_tag_kind): Remove.
1598         (struct var_ann_d): Remove mem_tag_kind member.
1599         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1600         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1601         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1602         (group_aliases): Ditto.
1603         (setup_pointers_and_addressables): Ditto.
1604         (is_escape_site): Ditto.                                          
1605         (may_alias_p): Ditto.
1606         (create_tag_raw): New function.
1607         (create_memory_tag): Use it.
1608         (dump_alias_info): Update for tags.
1609         (may_be_aliased): Ditto.
1610         (add_type_alias): Ditto.
1611         (new_type_alias): Ditto.
1612         (create_sft): Ditto.
1613         (create_structure_vars): Ditto.
1614         * tree-ssa-ccp.c (get_default_value): Ditto.
1615         * tree-ssa-operands.c (get_expr_operands): Ditto.
1616         (add_stmt_operand): Ditto.
1617         (add_call_clobber_ops): Remove duplicated condition.
1618         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1619         tags.
1620         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1621         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1622         * tree.c (init_ttree): Update structures for new tree codes.
1623         (tree_code_size): Update sizes for new tree codes.
1624         (make_node_stat): Don't try to set common things on minimal
1625         structures.
1626         (tree_node_structure): Update for tags.
1627         (is_global_var): Ditto.
1628         * tree.def: Add new tree codes.
1629         * tree.h (MTAG_P): New macro.
1630         (TREE_MEMORY_TAG_CHECK): Ditto.
1631         (SSA_VAR_P): Update for tags.
1632         (struct tree_memory_tag): New structure.
1633         (MTAG_GLOBAL): New macro.
1634         (union tree_node): Add memory tag member.
1635         * treestruct.def (TS_MEMORY_TAG): New.
1636         
1637 2005-12-05  Dale Johannesen  <dalej@apple.com>
1638
1639         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1640         what was approved (PR 24323).
1641
1642 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1643
1644         * doc/c-tree.texi (Function Bodies): Remove description of
1645         RETURN_INIT.
1646
1647 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1648
1649         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1650         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1651         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1652         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1653         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1654         __divxc3): Document.
1655
1656 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1657
1658         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1659         previous behaviour.
1660         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1661         hook_bool_void_false.
1662         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1663         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1664
1665         * config/darwin.c (machopic_select_section): It's not defined
1666         as weak if it's only marked as weak_import.
1667         
1668         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1669         Prototype.
1670
1671         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1672         A hidden weak object does bind locally.  Strong linkonce data
1673         counts like any other strong symbol for binding.
1674         (weak_finish_1): Don't specially handle weakrefs, they no longer
1675         arrive here.
1676         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1677         * c-common.c (handle_alias_attribute): Allow static aliases
1678         of variables.
1679         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1680         * gthr-dce.h: Make weakrefs static.
1681         * gthr-tpf.h: Likewise.
1682         * gthr-solaris.h: Likewise.
1683         * gthr-posix.h: Likewise.
1684         * gthr-posix95.h: Likewise.
1685         * config/darwin.c (darwin_encode_section_info): static weakref
1686         variables are not necessarily defined in this translation unit.
1687         * doc/extend.texi (Function Attributes): Mention that an alias
1688         attribute creates a definition for the thing it's attached to.
1689         Change the documentation for weakref to say that the thing
1690         it's attached to must be static.
1691
1692         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1693         we don't go into an infinite loop.
1694
1695 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1696
1697         * config/rs6000/predicates.md (logical_const_operand): Split
1698         out of logical_operand.
1699         (logical_operand): Use it.
1700         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1701         logical_const_operand.
1702
1703 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1704
1705         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1706         and IX86_BUILTIN_CMPNESS.
1707         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1708         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1709         * config/i386/i386.md (movti_internal): Correct type attribute.
1710         Simplify mode attribute.
1711         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1712         Correct type attribute.
1713         (absxf2): Correct operator.
1714         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1715         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1716         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1717         mode attribute.
1718         (sse2_vmsqrtv2df2): Correct mode attribute.
1719
1720 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1721
1722         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1723         16 bits. Provide insn pattern for this case.
1724
1725 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1726
1727         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1728         result.
1729         (__popcountDI2): Likewise.
1730
1731 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1732
1733         PR target/25166
1734         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1735         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1736         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1737         functions.
1738
1739 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1740
1741         * c-typeck.c (null_pointer_constant_p): New function.
1742         (build_conditional_expr, build_c_cast, convert_for_assignment,
1743         build_binary_op): Use it.
1744
1745 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1746
1747         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1748         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1749         CONVERT_EXPR.
1750         (check_function_arguments_recurse): Allow both NOP_EXPR and
1751         CONVERT_EXPR but check conversions preserve precision.
1752         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1753         but check conversions preserve precision.
1754         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1755         default case.
1756
1757 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1758
1759         PR c/7776
1760         * common.opt (Wstring-literal-comparison): New command line option.
1761         * c-opts.c (c_common_handle_option): Set it with -Wall.
1762         * c-typeck.c (parser_build_binary_op): Issue warning if either
1763         operand of a comparison operator is a string literal, except for
1764         testing equality or inequality against NULL.
1765
1766         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1767
1768 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1769
1770         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1771         of building a NOP_EXPR.
1772         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1773         NOP_EXPR.
1774         * c-convert.c (convert): Use fold_convert instead of building
1775         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1776         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1777         #if 0 code.
1778         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1779         NOP_EXPR the same as CONVERT_EXPR.
1780         * c-typeck.c (build_function_call): Use fold_convert instead of
1781         building a NOP_EXPR directly.
1782         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1783
1784 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1785
1786         PR rtl-optimization/25197
1787         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1788         have a reg.
1789
1790 2005-12-02  Stuart Hastings  <stuart@apple.com>
1791
1792         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1793         warning.
1794
1795 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1796
1797         * c-typeck.c (default_function_array_conversion,
1798         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1799         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1800         orig_op2.  Don't check them for NOP_EXPR.
1801         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1802         around integer zero.
1803
1804 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1805
1806         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1807         toc_save_offset, toc_size, lr_size.
1808         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1809         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1810         Adjust for removal of unused rs6000_stack_t fields.
1811         (debug_stack_info): Adjust.
1812         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1813         first, and don't bother checking for set/inc of lr on sibcalls.
1814         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1815
1816 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR target/25199
1819         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1820         5 if operand 1 is not aligned.  Undo previous constraint change.
1821         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1822
1823 2005-12-02  Richard Guenther  <rguenther@suse.de>
1824
1825         * tree.h (build): Remove prototype.
1826         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1827         * tree.c (build): Remove.
1828         (build0_stat): Update comment.
1829
1830 2005-12-02  Richard Guenther  <rguenther@suse.de>
1831
1832         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1833         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1834         Likewise.
1835         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1836         maybe_fold_offset_to_component_ref): Likewise.
1837         * tree-ssa-dom.c (thread_across_edge,
1838         simplify_rhs_and_lookup_avail_expr,
1839         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1840         Likewise.
1841         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1842         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1843         lower_try_finally_switch): Likewise.
1844         * tree-if-conv.c (add_to_dst_predicate_list,
1845         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1846         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1847         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1848         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1849         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1850         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1851         gimplify_init_ctor_eval, gimplify_init_constructor,
1852         gimplify_variable_sized_compare, gimplify_boolean_expr,
1853         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1854         gimplify_expr, gimplify_body, gimplify_function_tree,
1855         force_gimple_operand): Likewise.
1856         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1857         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1858         mx_register_decls): Likewise.
1859         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1860         get_frame_field, finalize_nesting_tree_1): Likewise.
1861         * tree-inline.c (setup_one_parameter): Likewise.
1862         * tree-vect-transform.c (vectorizable_condition): Likewise.
1863         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1864         Likewise.
1865         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1866         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1867         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1868         * tree-chrec.h (build_polynomial_chrec): Likewise.
1869
1870 2005-12-02  Richard Guenther  <rguenther@suse.de>
1871
1872         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1873         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1874         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1875         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1876         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1877         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1878         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1879         Likewise.
1880         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1881         sh_adjust_unroll_max): Likewise.
1882         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1883         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1884         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1885         Likewise.
1886         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1887         Likewise.
1888         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1889         Likewise.
1890
1891 2005-12-02  Richard Guenther  <rguenther@suse.de>
1892
1893         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1894         simplify_cond_using_ranges): Use buildN instead of build.
1895         * tree-tailcall.c (adjust_accumulator_values,
1896         adjust_return_value): Likewise.
1897         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1898         generate_element_copy, generate_element_zero,
1899         generate_one_element_init): Likewise.
1900         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1901         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1902         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1903         perfect_nestify): Likewise.
1904
1905 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1906
1907         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1908
1909 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1910
1911         * ggc.h (GGC_RESIZEVEC): New.
1912
1913 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1914
1915         * gcc.c (execute): Improve readability.
1916
1917 2005-12-02  Richard Guenther  <rguenther@suse.de>
1918
1919         * tree-cfg.c (mark_used_vars): New function.
1920         (dump_function_to_file): Dump only used VAR_DECLs.
1921
1922 2005-12-02  Richard Guenther  <rguenther@suse.de>
1923
1924         * convert.c (convert_to_integer): Fix compare for nonpositive
1925         constant to use tree_int_cst_sgn <= 0.
1926
1927 2005-12-02  Richard Guenther  <rguenther@suse.de>
1928
1929         * convert.c (convert_to_integer): Use fold_convert instead
1930         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1931         instead of comparing against 0.  Use build_int_cst instead
1932         of converting integer_zero_node.
1933
1934 2005-12-02  Richard Guenther  <rguenther@suse.de>
1935
1936         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1937         and RROTATE_EXPR.
1938  
1939 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1940
1941         PR target/21017
1942         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1943         rotates.
1944
1945 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1946
1947         PR middle-end/25176
1948         * function.c (expand_function_end): Emit blockage for unwinder
1949         after return label.
1950
1951 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1952
1953         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1954         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1955         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1956         integer constant comparisons.
1957
1958 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1959             Janis Johnson  <janis187@us.ibm.com>
1960             David Edelsohn  <dje@watson.ibm.com>
1961             Ben Elliston  <bje@au.ibm.com>
1962
1963         * dfp.h, dfp.c: New files.
1964         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1965         (DECNUM_H): Likewise.
1966         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1967         (INCLUDES): Append $(DECNUMINC).
1968         (OBJS-common): Add dfp.o.
1969         (dfp.o): New rule.
1970         * real.h (EXP_BITS): Pinch one bit to ..
1971         (struct real_value): Add decimal field.
1972         (real_format): Change table size, update documentation.
1973         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1974         (real_from_string3): Declare.
1975         (decimal_single_format): Declare.
1976         (decimal_double_format): Declare.
1977         (decimal_quad_format): Declare.
1978         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1979         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1980         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1981         * real.c: Include dfp.h.
1982         (normalize): Early return for decimal floats.
1983         (do_add): Zero decimal field.
1984         (do_compare): Call do_decimal_compare for decimal floats.
1985         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1986         (real_arithmetic): Call decimal_real_arithmetic for decimal
1987         floating point operands.
1988         (real_identical): If a and b are of differing radix, return false.
1989         (real_to_integer): Call decimal_real_to_integer if the value is a
1990         decimal float.
1991         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1992         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1993         (real_to_hexadecimal): Place "N/A" in the return string for
1994         decimal float.
1995         (real_from_string3): New variant, given a mode.
1996         (real_maxval): Use decimal_real_maxval for decimal floats.
1997         (round_for_format): Use decimal_round_for_format for decimals.
1998         (real_convert): Use decimal_real_convert where appropriate.
1999         (significand_size): Handle base 10.
2000         (encode_decimal_single, decode_decimal_single,
2001         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2002         decode_decimal_quad): New functions.
2003         (decimal_single_format): New.
2004         (decimal_double_format): New.
2005         (decimal_quad_format): New.
2006         * machmode.def: Add SD, DD and TD decimal floating point modes.
2007         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2008         Include MODE_DECIMAL_FLOAT.
2009         (DECIMAL_FLOAT_MODE_P): New.
2010         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2011         * genmodes.c (struct mode_data): Add counter field.
2012         (struct mode_data): Update comment for format.
2013         (blank_mode): Initialise counter field.
2014         (new_mode): Increment counter field for each mode defined.
2015         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2016         using a format.
2017         (make_complex_modes): Handle modes containing `D'.
2018         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2019         (make_decimal_float_mode): New.
2020         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2021         (cmp_modes): Compare counter field if other characteristics
2022         similar.
2023         (emit_real_format_for_mode): Support formats for decimal floats.
2024         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2025         Document MODE_DECIMAL_FLOAT.
2026
2027 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2028
2029         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2030         Delete dead code.
2031
2032 2005-12-01  Richard Henderson  <rth@redhat.com>
2033
2034         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2035
2036 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2037
2038         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2039
2040         * config/pa/pa.c (pa_init_builtins): If we detect
2041         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2042         putc_unlocked.
2043
2044 2005-12-01  Richard Guenther  <rguenther@suse.de>
2045
2046         * fold-const.c (fold_binary): Use fold_build2, not
2047         fold (build (...)).
2048
2049 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2050
2051         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2052
2053         * vec.h (VEC_block_remove): New.
2054
2055 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2056
2057         PR c/13384
2058         * c-common.c (lvalue_error): Fix wording.
2059
2060 2005-12-01  Richard Guenther  <rguenther@suse.de>
2061
2062         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2063         thinko in last patch.
2064
2065 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2066
2067         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2068         than -flat_namespace.
2069
2070 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2071
2072         * mklibgcc.in: Parameterise the script to build soft float
2073         functions by iterating over each type, rather than cloning the
2074         code for each type.
2075
2076 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2077
2078         PR middle-end/25158
2079         * builtins.c (fold_builtin_fputs): Defer check for missing
2080         replacement functions.
2081
2082 2005-11-30  Kean Johnston  <jkj@sco.com>
2083
2084         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2085         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2086
2087 2005-11-30  Richard Guenther  <rguenther@suse.de>
2088
2089         PR tree-optimization/22501
2090         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2091         function split out from ...
2092         (forward_propagate_addr_expr): ... here.  Use it to propagate
2093         ADDR_EXPRs to all uses.
2094
2095 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2096
2097         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2098         * builtins.c (expand_builtin_mathfn): Use them.
2099         (expand_builtin_mathfn_2): Likewise.
2100         (expand_builtin_mathfn_3): Likewise.
2101         (expand_builtin_int_roundingfn): Likewise.
2102         (expand_builtin): Likewise.
2103         (integer_valued_real_p): Likewise.
2104         (fold_builtin_int_roundingfn): Likewise.
2105         (fold_builtin_bitop): Likewise.
2106         (fold_builtin_logarithm): Likewise.
2107         (fold_builtin_1): Likewise.
2108         * convert.c (convert_to_integer): Likewise.
2109         * fold-const.c (negate_mathfn_p): Likewise.
2110         (tree_expr_nonnegative_p): Likewise.
2111
2112 2005-11-30  Dale Johannesen  <dalej@apple.com>
2113             Andrew Pinski  <pinskia@physics.uc.edu>
2114
2115         * combine.c (find_split_point):  Sign extend bitmask
2116         when changing bitfield assignment to IOR of AND.
2117
2118 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2119
2120         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2121         clobber to scratch reg.
2122         (*decrement_and_branch_until_zero_no_clobber): Remove.
2123         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2124         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2125         * config/ms1/ms1.opt (mmul): Remove.
2126         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2127         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2128
2129 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2130             Bernd Schmidt  <bernd.schmidt@analog.com>
2131
2132         * pa/predicates.md (symbolic_operand): Add comment.
2133         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2134         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2135         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2136         (pa_secondary_reload_class): Delete.
2137         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2138         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2139         copy of symbolic operand.
2140         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2141
2142 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2143
2144         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2145         jump.
2146
2147 2005-11-30  Jeff Law  <law@redhat.com>
2148
2149         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2150         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2151
2152 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2153
2154         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2155         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2156         (ia64_expand_move): Adjust caller.
2157
2158         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2159         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2160         negate VAL.
2161
2162 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2163
2164         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2165         Always produce an output if we can remove NEGs or canonicalize
2166         (minus (minus ...)) expressions.  Provide a fast path for the
2167         two-operand case.
2168         (simplify_gen_binary): Do not call simplify_plus_minus.
2169         (simplify_binary_operation_1): Reassociate at the end of the
2170         function.
2171
2172 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2173
2174         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2175         moves and unpack to speed up.
2176
2177 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2178
2179         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2180         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2181         (gen_v9_scc): Update callers.
2182         * config/sparc/sparc.md: Likewise.
2183         * config/sparc/sparc-protos.h: Update extern declaration.
2184
2185         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2186
2187 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2188
2189         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2190         the if.
2191
2192 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2193
2194         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2195         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2196         (negate_expr): Here.
2197
2198 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2199
2200         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2201         Fix typo in comment.
2202
2203 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2204
2205         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2206         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2207
2208 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2209
2210         PR middle-end/20109
2211         PR middle-end/25120
2212         * builtins.c (init_target_chars): New.
2213         (expand_builtin_printf, expand_builtin_fprintf,
2214         expand_builtin_sprintf, fold_builtin_sprintf,
2215         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2216         fold_builtin_snprintf_chk, fold_builtin_printf,
2217         fold_builtin_fprintf): Check for matching format strings using
2218         the target charset.
2219
2220 2005-11-29  Paul Brook  <paul@codesourcery.com>
2221
2222         * config.gcc: Do not use fixproto on m68k-elf.
2223
2224 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2225
2226         * expmed.c (div_cost): Replace with...
2227         (sdiv_cost, udiv_cost): New.
2228         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2229         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2230         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2231         (expand_divmod): Replace use of div_cost with either sdiv_cost
2232         or udiv_cost depending upon the signedness of the operation.
2233
2234 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2235
2236         PR libfortran/24991
2237         * config/darwin.c (machopic_indirection_name,
2238         machopic_output_indirection): Follow transparent alias chain.
2239
2240 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2241
2242         * varasm.c (ultimate_transparent_alias_target): Add comment.
2243
2244 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2245
2246         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2247         SET_SRC instead of XEXP where appropriate.
2248
2249 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2250
2251         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2252         __builtin_expect.
2253
2254 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2255
2256         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2257         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2258         bit at a time.
2259
2260 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2261
2262         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2263         secondary_input_reload_class, made static.  Adapt to new
2264         infrastructure.
2265         (secondary_output_reload_class): Delete.
2266         (TARGET_SECONDARY_RELOAD): New macro.
2267         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2268         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2269
2270 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2271
2272         PR c++/21166
2273         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2274         when its natural alignment is > BITS_PER_UNIT.
2275         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2276         * c-common.c (handle_packed_attribute): Ignore packing on a field
2277         whose type is naturally char aligned.
2278
2279 2005-11-28  Richard Guenther  <rguenther@suse.de>
2280
2281         * c-common.c (strict_aliasing_warning): Handle all
2282         component-ref like accesses.
2283
2284 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2285             Uros Bizjak  <uros@kss-loka.si>
2286
2287         PR middle-end/20219
2288         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2289         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2290         when flag_unsafe_math_optimizations is set and
2291         we don't care about NaNs or Infinities.
2292
2293         Move x/expN(y) and x/pow(y,z) transformation into common
2294         flag_unsafe_math_optimizations section.
2295
2296 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2297
2298         * gcc.c (main): Change type of argv to "char **".
2299
2300 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2301
2302         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2303         small data sections.
2304         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2305         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2306         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2307         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2308         output locals to sbss if !rs6000_elf_in_small_data_p.
2309         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2310
2311 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2312
2313         PR target/24997
2314         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2315         generated by reload.
2316         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2317         indexed_or_indirect_address.
2318         (indexed_or_indirect_address): Don't test for base reg.  Call
2319         address_operand last.  Make it a special predicate.
2320
2321 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2322
2323         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2324
2325 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2326
2327         PR middle-end/24575
2328         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2329         is undefined.
2330         (negate_expr): Likewise.
2331
2332 2005-11-27  Andreas Schwab  <schwab@suse.de>
2333
2334         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2335         redundant parens.
2336
2337 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2338
2339         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2340         has EH predecessor edges.
2341
2342 2005-11-26  Eric Christopher  <echristo@apple.com>
2343
2344         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2345         register stalls by zero extending to the full register.
2346
2347 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2348
2349         * config/floatunsisf.c, config/floatunsidf.c,
2350         config/floatunsixf.c, config/floatunsitf.c: New files.
2351         * config/ia64/t-hpux: Add floatunsitf.c.
2352         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2353         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2354
2355 2005-11-26  Richard Henderson  <rth@redhat.com>
2356
2357         * c-lex.c (pragma_lex): Rename from c_lex.
2358         * c-pch.c: Update for pragma_lex rename.
2359         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2360         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2361         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2362         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2363         * doc/tm.texi: Likewise.
2364
2365 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2366
2367         PR middle-end/23669
2368         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2369         when overflow is undefined.
2370
2371 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2372
2373         * doc/md.texi (Insn Canonicalizations): Refer to the
2374         function commutative_operand_precedence for further rules.
2375
2376 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2377
2378         PR middle-end/21309
2379         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2380         is less than zero.  Limit mult_cost to a reasonable upper bound for
2381         the synthetic multiplication sequence.
2382
2383 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2384
2385         PR middle-end/25022
2386         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2387         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2388         Lookup the explicit replacement functions for any unlocked
2389         stdio builtin transformations.
2390
2391 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2392
2393         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2394         earlyclobber.
2395         * targhooks.c (default_secondary_reload): Don't require operand 2
2396         for an input reload to be earlyclobber.
2397
2398 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2399
2400         * fold-const.c (negate_mathfn_p): Fix comment and add support
2401         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2402         BUILT_IN_ATANH.
2403
2404 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2405
2406         PR middle-end/24998
2407         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2408         _Q_ulltoq for unsigned conversions from SImode and DImode to
2409         TFmode.
2410
2411 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2412
2413         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2414         (__floatundidf, __floatundisf): Likewise.
2415
2416 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2417
2418         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2419         (rs6000_override_options): Remove initialization of
2420         rs6000_sr_alias_set.
2421         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2422         (rs6000_emit_stack_tie): Same.
2423         (emit_frame_save): Same.
2424         (gen_frame_mem_offset): Same.
2425         (rs6000_emit_prologue): Same.
2426         (rs6000_emit_epilogue): Same.
2427
2428 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2429
2430         PR middle-end/24989
2431         * fold-const.c (fold_build): Convert bool_var != 1 and
2432         bool_var == 0 to !bool_var.
2433
2434 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2435
2436         PR middle-end/24990
2437         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2438         for C being INTEGER_CST.  Likewise for !=.
2439
2440 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2441
2442         PR middle-end/24998
2443         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2444         unsigned conversions from SImode to TFmode.
2445
2446 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2447
2448         * expr.c (expand_expr_real_1): Fix error in last change.
2449
2450 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2451
2452         * caller-save.c: (this_insn_sets): Move into:
2453         (save_call_clobbered_regs).
2454         (mark_set_regs): Get this_insn_sets from data.
2455
2456         (save_call_clobbered_regs): Take sets of the return value by
2457         sibcalls into account.
2458
2459 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2460         PR target/21623:
2461
2462         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2463         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2464         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2465         (memory_move_secondary_cost, init_reg_autoinc): Remove
2466         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2467         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2468         secondary_reload_class call.
2469         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2470         callers.
2471         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2472         (push_secondary_reload): Use secondary_reload target hook.
2473         (secondary_reload_class, scratch_reload_class): New functions.
2474         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2475         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2476         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2477         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2478         (secondary_reload_class, scratch_reload_class): Declare.
2479         * reload1.c: Include target.h.
2480         (reload_adjust_reg_for_temp): New function.
2481         (reload_adjust_reg_for_icode): Likewise.
2482         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2483         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2484         call.
2485         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2486         for inheritance.  Support case when both secondary & tertiary reloads
2487         are for intermediate registers.
2488         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2489         with secondary_reload_class call.  Support case when both secondary
2490         & tertiary reloads are for intermediate registers.
2491         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2492         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2493         * target.h (secondary_reload_info): New struct / typedef.
2494         (struct gcc_target): New member secondary_reload.
2495         * targhooks.c Include reload.h, optabs.h and recog.h.
2496         (default_secondary_reload): New function.
2497         * targhooks.h (default_secondary_reload): Declare.
2498         * doc/tm.texi: Document secondary_reload target hook.  Update
2499         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2500         * doc/md.texi: Likewise.
2501
2502         * sh-protos.h (sh_secondary_reload): Declare.
2503         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2504         (sh_secondary_reload): New function.
2505         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2506         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2507         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2508         (HAVE_SECONDARY_RELOADS): Define.
2509         * sh.md (reload_indf): Rename to:
2510         (reload_indf__frn).
2511         (reload_outdf): Rename to:
2512         (reload_outdf__RnFRm).
2513         (reload_insf): Rename to:
2514         (reload_insf__frn).
2515         (reload_insi): Rename to:
2516         (reload_insi__i_fpul).
2517
2518 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2519
2520         * configure.ac: Require at least texinfo 4.4.
2521         * configure: Regenerate.
2522
2523         * doc/install.texi (Tools/packages necessary for building GCC):
2524         Update required version of texinfo to at least 4.4.
2525         (Installing GCC: Building): Update required version of texinfo
2526         to at least 4.4.
2527         (Installing GCC: Final installation): Update required version
2528         of texi2dvi to at least 4.4.
2529         (Host/target specific installation notes for GCC): Update required
2530         version of texinfo to at least 4.4.
2531
2532 2005-11-24  Richard Guenther  <rguenther@suse.de>
2533         Dirk Mueller <dmueller@suse.de>
2534
2535         PR c++/14024
2536         * c-common.h (strict_aliasing_warning): Declare.
2537         * c-common.c (strict_aliasing_warning): New function,
2538         split out from ...
2539         * c-typeck.c (build_c_cast): ... here.
2540
2541 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2542
2543         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2544         to order operands.
2545         (swap_commutative_operands_with_target): New.
2546
2547 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2548
2549         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2550         also when doing PRE, rather than only for global CPROP.
2551
2552 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2553
2554         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2555         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2556         formatting.
2557         (expand_twoval_unop): Likewise.
2558         (widen_clz): Likewise.
2559         (expand_parity): Likewise.
2560         (expand_unop): Likewise.
2561         (emit_cmp_and_jmp_insn_1): Likewise.
2562         (prepare_float_lib_cmp): Likewise.
2563
2564 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2565
2566         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2567         Remove unused `class' variable.
2568
2569 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2570
2571         PR c++/21667
2572         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2573         C/C++ diagnostic function warn_array_subscript_with_type_char.
2574         * c-common.h (warn_array_subscript_with_type_char): Declare.
2575         * c-common.c (warn_array_subscript_with_type_char): Define.
2576
2577 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2578
2579         PR c/21668
2580         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2581         compiling at the intersection of C and C++.
2582
2583 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2584
2585         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2586         List @file in the option summary.  Include the libiberty
2587         documentation for @file.
2588         * gcc.c (main): Call expandargv.
2589         * Makefile.in (gcc-vers.texi): Define srcdir.
2590
2591 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2592
2593         * passes.c (init_optimization_passes): Document
2594         sequencing of passes.
2595
2596 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2597
2598         * config/m68k/predicates.md (pcrel_address, extend_operator,
2599         post_inc_operand, pre_dec_operand): Remove redundant
2600         conditionals.
2601         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2602         instead of abort.
2603         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2604
2605 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2606
2607         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2608
2609 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2610
2611         Preparatory work for PR target/21623:
2612         * alpha.c (secondary_reload_class): Rename to:
2613         (alpha_secondary_reload_class).
2614         * alpha.h, alpha-protos.h: Likewise.
2615         * mn10300.c (secondary_reload_class): Rename to:
2616         (mn10300_secondary_reload_class).
2617         * mn10300.h, mn10300-protos.h: Likewise.
2618         * pa.c (secondary_reload_class): Rename to:
2619         (pa_secondary_reload_class).
2620         * pa.h, pa-protos.h: Likewise.
2621         * rs6000.c (secondary_reload_class): Rename to:
2622         rs6000_secondary_reload_class.
2623         * rs6000.h, rs6000-protos.h: Likewise.
2624
2625 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2626
2627         PR middle-end/22561
2628         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2629
2630 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2631
2632         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2633         a mode_class.
2634         (prepare_cmp_insn): Likewise.
2635
2636 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2637
2638         PR target/23435
2639         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2640         if both operands[0] and operands[1] are memory.
2641
2642 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2643
2644         PR middle-end/23606
2645         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2646         COMPARISON_CLASS_P and an integral types create create a new
2647         expression with the new type and fold that.
2648
2649 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2650
2651         PR target/24988
2652         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2653         to SUBTARGET_OS_CPP_BUILTINS.
2654
2655 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2656
2657         * arm.c (emit_set_insn): New function.
2658         (arm_split_constant): Call it.
2659         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2660         (arm_legitimize_address): Likewise.  Use plus_constant.
2661         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2662         (thumb_expand_prologue): Likewise.
2663         (arm_gen_load_multiple): Use VOIDmode in SET.
2664         (arm_gen_store_multiple): Likewise.
2665         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2666         (emit_multi_reg_push): Likewise.
2667         (emit_sfm): Use plus_constant.
2668
2669 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2670
2671         PR target/24954
2672         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2673         typo last change.
2674
2675 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2676
2677         PR middle-end/24950
2678         * expmed.c (store_bit_field): Don't attempt to insv a field
2679         larger than the reg.
2680
2681 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2682
2683         PR target/24954
2684         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2685         explicit sign extension, not a (char) cast.
2686
2687 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2688
2689         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2690         GET_MODE_CLASS (x) == MODE_FLOAT.
2691         * config/i386/i386.c: Likewise.
2692         * config/rs6000/xcoff.h: Likewise.
2693         * config/rs6000/linux64.h: Likewise.
2694         * config/rs6000/rs6000.c: Likewise.
2695         * config/rs6000/rs6000.h: Likewise.
2696         * config/rs6000/predicates.md: Likewise.
2697         * config/rs6000/sysv4.h: Likewise.
2698
2699 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2700
2701         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2702         flag_pic is set.
2703
2704         * config/alpha/freebsd.h, config/alpha/linux.h,
2705         config/arm/linux-elf.h, config/bfin/bfin.h,
2706         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2707         config/i386/beos-elf.h, config/i386/gnu.h,
2708         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2709         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2710         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2711         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2712         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2713         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2714         config/sparc/linux.h, config/sparc/linux64.h,
2715         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2716
2717         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2718         are both defined when either flag -fpic or -fPIC are used.
2719
2720 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2721
2722         * config/fp-bit.c (clzusi): New function.
2723         (si_to_float, usi_to_float): Use it to compute proper shift.
2724         (usi_to_float): Preserve guard bits when shifting right.
2725         * libgcc-std.ver (GCC_4.2.0): New version.
2726         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2727         __floatundisf): New functions.
2728         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2729         __floatundisf): Declare.
2730         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2731         _floatundixf, and _floatunditf.
2732         * optabs.c (expand_float): If target does not define a pattern for
2733         signed or unsigned conversion, use an unsigned libcall instead of
2734         a signed one.
2735         (init_optabs): Initialize ufloat_optab.
2736
2737 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2738
2739         * config/rs6000/rs6000.opt (mmulhw): New option.
2740         * doc/invoke.texi (-mmulhw): Document.
2741         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2742         for 405 and 440.
2743         * config/rs6000/rs6000.md: Add half-word multiply and
2744         multiply-accumulate instructions for 405 and 440.
2745
2746 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2747
2748         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2749         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2750         default now includes a linker group which makes the RTEMS one nest.
2751
2752 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2753
2754         * cse.c (fold_rtx): Typo fix.
2755         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2756
2757 2005-11-21  Richard Henderson  <rth@redhat.com>
2758
2759         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2760         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2761
2762         * c-tree.h (lookup_name): Move declaration ...
2763         * c-common.h (lookup_name): ... here.
2764         * config/darwin-c.c: Include c-common.h.
2765         * config/t-darwin: Update dependencies.
2766
2767 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2768
2769         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2770         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2771         * genopinit.c (gen_insn): Likewise.
2772         * reload.c (find_equiv_reg): Likewise.
2773         * loop.c (load_mems): Likewise.
2774         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2775         * cse.c (find_comparison_args, fold_rtx): Likewise.
2776         * dwarf2out.c (add_const_value_attribute): Likewise.
2777         * expr.c (convert_move): Likewise.
2778         * recog.c (general_operand, register_operand): Likewise.
2779         * reg-stack.c (replace_reg): Likewise.
2780         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2781         * c-common.c (handle_vector_size_attribute): Likewise.
2782         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2783         (simplify_binary_operation_1): Likewise.
2784         (simplify_const_binary_operation): Likewise.
2785         (simplify_relational_operation): Likewise.
2786         (simplify_const_relational_operation): Likewise.
2787         (simplify_immed_subreg): Likewise.
2788         * emit-rtl.c (gen_lowpart_common): Likewise.
2789         * expmed.c (expand_mult): Likewise.
2790         * stor-layout.c (layout_type): Likewise.
2791
2792 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2793
2794         PR target/24951
2795         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2796         cst2 only for SPE vectors.
2797
2798 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2799
2800         PR target/24953
2801         * config/rs6000/predicates.md (vrsave_operation): Check
2802         UNSPEC_VOLATILE value.
2803
2804 2005-11-21  Jan Hubicka  <jh@suse.cz>
2805
2806         PR tree-optimization/24653
2807         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2808
2809 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2810
2811         * config/i386/predicates.md (ax_reg_operand): New predicate.
2812         (memory_displacement_only_operand): New predicate.
2813         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2814         operand is AX register and the other operand is memory operand
2815         with displacement only.
2816
2817 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2818
2819         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2820         if we don't care about NaNs or Infinities.
2821
2822 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2823
2824         PR rtl-optimization/24883
2825         * combine.c (combinable_i3pat): When checking whether the
2826         destination of i3 is used in i3, consider paradoxical subregs.
2827
2828 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2829
2830         PR middle-end/20583
2831         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2832
2833 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2834
2835         * combine.c (try_combine): Do not run subst on i1src and i2src in
2836         the case of generating a PARALLEL for a comparison.
2837
2838 2005-11-20  Richard Henderson  <rth@redhat.com>
2839
2840         PR 24931
2841         * tree-sra.c (struct sra_elt): Add all_no_warning.
2842         (struct sra_walk_fns) <use>: Add use_all argument.
2843         (sra_walk_expr): Pass it.
2844         (sra_walk_modify_expr): Likewise.
2845         (scalarize_ldst): Likewise.
2846         (scan_use): Update for new argument.
2847         (mark_no_warning): New.
2848         (scalarize_use): Use it.
2849
2850 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2851
2852         * expr.c (expand_expr_real): Use usmul_optab for widening
2853         signed * unsigned multiplies.
2854         * genopinit.c (optabs): Add usmul_widen_optab.
2855         * optabs.c (init_optabs): Likewise.
2856         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2857         (usmul_widen_optab): Define.
2858         * config/bfin/bfin.md (usmulhisi3): New pattern.
2859
2860         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2861
2862 2005-11-20  Graham Stott <btinternet.com>
2863
2864         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2865
2866 2005-11-20  Andreas Schwab  <schwab@suse.de>
2867
2868         PR target/24757
2869         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2870         insn.
2871
2872 2005-11-19  Richard Henderson  <rth@redhat.com>
2873
2874         PR tree-opt/24665
2875         * tree-gimple.c (is_gimple_id): Export.
2876         * tree-gimple.h (is_gimple_id): Declare.
2877         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2878         (get_default_value): Use it.
2879         (maybe_fold_stmt_indirect): Likewise.
2880
2881 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2882
2883         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2884         than VR1 or vice-versa.
2885
2886 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2887
2888         PR middle-end/24912
2889         PR middle-end/24750
2890         * reload.c (find_reloads_address_1): Mention dependency on
2891         gen_reload.
2892         * reload1.c (gen_reload): For IN with an unary operation, try
2893         moving inner expression to OUT if trivial SET is not valid.
2894         Confirm that the result is valid.  Move common code block into...
2895         (emit_insn_if_valid_for_reload): New function.
2896
2897 2005-11-19  Richard Guenther  <rguenther@suse.de>
2898
2899         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2900         ARRAY_REFs of constant strings.
2901
2902 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2903
2904         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2905         fatal format string.
2906
2907 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2908
2909         * combine.c (make_compound_operation): Swap operands of
2910         commutative operation if necessary before returning.
2911
2912 2005-11-19  Richard Guenther  <rguenther@suse.de>
2913
2914         PR middle-end/23294
2915         * fold-const.c (fold_plusminus_mult_expr): New function.
2916         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2917         cases, remove now unnecessary code.
2918
2919 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2920
2921         * gensupport.c (old_preds): Rename to std_preds, add special field.
2922         (struct old_pred_table): Rename to struct std_pred_table, add special
2923         field.
2924         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2925         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2926         (init_predicate_table): Adjust, and set along the way whether a
2927         predicate is special.
2928
2929 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2930
2931         * BASE-VER: Change to 4.2.0.
2932
2933 2005-11-18  James E Wilson  <wilson@specifix.com>
2934
2935         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2936         returning it.
2937
2938 2005-11-18  Mike Stump  <mrs@apple.com>
2939
2940         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2941         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2942         * c-decl.c (lookup_name_two) Remove.
2943         * c-tree.h (lookup_name_two): Remove.
2944         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2945         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2946         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2947         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2948
2949 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2950
2951         PR target/24914
2952         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2953         when not generating code to use that co-processor.
2954
2955 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2956
2957         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2958         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2959         these functions are now in tree-phinodes.c.
2960
2961 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2962
2963         * config/bfin/bfin.md (trap): New pattern.
2964
2965 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2966
2967         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2968         on types.
2969
2970         * expr.c (expand_expr_real): Don't call record_block_change unless
2971         ib_boundaries_block is non-null
2972
2973         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2974
2975         * fold-const.c (build_range_check): Use proper type for subtraction
2976         when merging lower bound.
2977
2978 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2979
2980         PR rtl-optimization/24497
2981         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2982         the copied insn.
2983
2984 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2985
2986         * tree-scalar-evolution.c (expression_expensive_p): New function.
2987         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2988
2989 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2990
2991         * config/bfin/crtlibid.s: New file.
2992
2993 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2994
2995         PR target/24348
2996         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2997         when not using sjlj exceptions.
2998         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2999         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3000         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3001         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3002         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3003         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3004         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3005         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3006         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3007         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3008         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3009         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3010         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3011         defines.
3012         * config/pa/hpux-unwind.h: New file.
3013
3014 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3015
3016         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3017         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3018         * varasm.c (do_assemble_alias): Adjust call.
3019         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3020         is defined.
3021         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3022
3023 2005-11-17  James E Wilson  <wilson@specifix.com>
3024
3025         * tree.def (FUNCTION_DECL): Correct typo in comment.
3026
3027 2005-11-17  Richard Henderson  <rth@redhat.com>
3028
3029         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3030         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3031         and DW_CFA_def_cfa_sf.
3032         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3033         (dbx_reg_number): Don't assert particular registers here.
3034         (based_loc_descr): ... do it here instead.  Fold in ...
3035         (eliminate_reg_to_offset): ... this function.
3036         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3037         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3038         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3039         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3040         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3041         (instantiate_virtual_regs): Likewise.
3042         * var-tracking.c (adjust_stack_reference): Likewise.
3043         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3044
3045 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3046
3047         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3048         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3049         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3050         crtlibid.o.
3051         ($(T)crtlibid.o): New rule.
3052
3053 2005-11-16  Richard Guenther  <rguenther@suse.de>
3054
3055         PR middle-end/24851
3056         * fold-const.c (extract_array_ref): Return byte offset
3057         in all cases.
3058         (fold_binary): Fold &x[a] CMP &x[b] to
3059         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3060         behavior.
3061
3062 2005-11-16  Richard Henderson  <rth@redhat.com>
3063
3064         PR middle-end/23497
3065         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3066         parts of an SSA_NAME.
3067
3068 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3069
3070         PR target/24861
3071         * arm.md (split for movsf with immediate): Restrict split to insns
3072         that set a general register.
3073
3074 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3075
3076         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3077         uw_update_context.
3078         * unwind-dw2.c (uw_advance_context): Likewise.
3079         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3080         _Unwind_SjLj_Unregister.
3081         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3082
3083 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3084
3085         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3086
3087 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3088
3089         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3090         langhook to get a DImode integer type.
3091
3092 2005-11-16  Richard Henderson  <rth@redhat.com>
3093             J"orn Rennecke <joern.rennecke@st.com>
3094             Ulrich Weigand  <uweigand@de.ibm.com>
3095
3096         PR rtl-opt/24160
3097         PR target/24621
3098         * reload1.c (reg_equiv_invariant): New.
3099         (reload): Allocate, initialize, and free it.
3100         (calculate_needs_all_insns): Check it when skipping equivalence
3101         setting insns.
3102         (alter_reg): Likewise.
3103         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3104         may_use_invariant argument; only use reg_equiv_invariant when true.
3105         (eliminate_regs): New.
3106         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3107         a context for which may_use_invariant may be true.
3108
3109 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3110
3111         * fold-const.c (const_binop): Don't constant fold the operation
3112         if the result has overflowed and flag_trapping_math.
3113         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3114
3115 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3116
3117         * config/arm/unwind-arm.c (abort): Add prototype here.
3118         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3119         (struct phase1_vrs): Add prev_sp.
3120         (unwind_phase2_forced): Save the original core registers instead of
3121         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3122         and set action flags accordingly.  Always set _US_END_OF_STACK when
3123         get_eit_entry fails.  Unwind before calling the stop function.
3124         (_Unwind_GetCFA): New function.
3125         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3126         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3127         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3128         just call unwind_phase2_forced.
3129         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3130         * config/arm/unwind-arm.h (abort): Remove prototype.
3131         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3132         prototypes.
3133         (_Unwind_GetCFA): New prototype.
3134         * config/arm/pr-support.c (abort): Add prototype here.
3135         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3136         forced unwinding.
3137         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3138         not schedule the prologue with non-call exceptions and EABI.
3139
3140 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3141
3142         * config/arm/unwind-arm.h: Reorder interface function declarations.
3143         (_URC_END_OF_STACK): New enumeration value.
3144         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3145         (struct _Unwind_Control_Block): Document reserved field use.
3146         (_Unwind_Stop_Fn): New typedef.
3147         (_Unwind_ForcedUnwind): Declare.
3148         (_Unwind_Resume_or_Rethrow): Declare.
3149         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3150         argument.  Adjust.
3151         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3152         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3153         (UCB_FORCED_STOP_ARG): New.
3154         (search_EIT_table): Update boundary condition checks.
3155         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3156         (unwind_phase2): Replace for with do..while.
3157         (unwind_phase2_forced): New.
3158         (__gnu_Unwind_RaiseException): Replace for with do..while.
3159         (__gnu_Unwind_ForcedUnwind): New.
3160         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3161         Use appropriate phase2 unwinder.
3162         (__gnu_Unwind_Resume_or_Rethrow): New.
3163         (__gnu_unwind_pr_common): Cope with forced unwinding.
3164
3165 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3166
3167         PR target/24772
3168         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3169
3170         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3171         roundsf2): Remove "s" from mnemonic.
3172
3173 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3174
3175         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3176         __PIC__ is defined.
3177         * config/bfin/crtn.s: Change epilogues to match.
3178         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3179         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3180         __PIC__ and __pic__.
3181
3182 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3183
3184         PR 24357
3185         * doc/invoke.texi: Distinguish between free and fixed form instead of
3186         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3187         languages.
3188         * gcc.c (default_compilers): Remove double entries, add entries for
3189         suffixes '.F90' and '.F95'.
3190
3191 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3192
3193         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3194         in the stack probing loop.
3195
3196 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3197
3198         * configure.ac: Use .machine power5 not power5x.
3199         * configure: Regenerate.
3200
3201 2005-11-15  Mike Stump  <mrs@apple.com>
3202
3203         * c-decl.c (lookup_name_two): Add.
3204         * c-tree.h (lookup_name_two): Likewise.
3205         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3206         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3207
3208 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3209
3210         PR rtl-optimization/23392
3211         * regrename.c (enum scan_actions) Add mark_access.
3212         (scan_actions_name): Ditto.
3213         (scan_rtx_reg): Handle mark_access.
3214         (scan_rtx_address): Do nothing for mark_access.
3215         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3216         and regs in REG_INC notes before closing chains for dead regs.
3217         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3218         opening chains for new writes.
3219
3220 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3221
3222         * c.opt (ffixed-line-length-none): New.
3223
3224 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3225
3226         * mklibgcc.in: Change contents of eh_dummy.c.
3227
3228 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3229
3230         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3231
3232 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3233
3234         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3235         of making syscalls.
3236         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3237
3238 2005-11-15  Jan Hubicka  <jh@suse.cz>
3239
3240         * invoke.texi (large-unit-insns): Document.
3241         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3242         * params.def (large-unit-insns): New param.
3243
3244 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3245
3246         PR target/24869
3247         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3248         special register for operand 3.  Reindent constraints to align
3249         them vertically.
3250
3251 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3252
3253         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3254         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3255         * configure.ac: Add test for FP rounding instructions.
3256         * configure: Regenerate.
3257         * config.in: Regenerate.
3258         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3259         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3260         features enabled.
3261         * config/rs6000/rs6000.opt (mfprnd): New.
3262         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3263         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3264         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3265         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3266         (TARGET_FPRND): New.
3267         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3268         UNSPEC_FRIZ): New.
3269         (btrunc<mode>2): New.
3270         (ceil<mode>2): New.
3271         (floor<mode>2): New.
3272         (round<mode>2): New.
3273
3274 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3275
3276         * gcc.c (version_compare_spec_function): Use fatal() rather than
3277         abort().
3278
3279         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3280         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3281         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3282         as empty.
3283         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3284         link in crt2.o.
3285
3286         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3287         on -mmacosx-version-min setting.
3288
3289 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3290
3291         PR 24840
3292         * tree-vrp.c (infer_value_range): Return false if STMT is a
3293         block terminator and its basic block has no successors.
3294
3295 2005-11-14  Mike Stump  <mrs@apple.com>
3296
3297         * config/i386/i386.c (override_options): -masm=intel isn't
3298         supported on darwin.
3299         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3300
3301 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3302
3303         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3304         vfork after including auto-host.h.
3305
3306 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3307
3308         PR rtl-optimization/22002
3309         * combine.c (distribute_notes): Detect cases where a reg dies
3310         two or more times in a bb, including on the insn we are combining,
3311         and place the death note on the correct range.
3312
3313 2005-11-14  Dale Johannesen  <dalej@apple.com>
3314
3315         * expmed.c (store_bit_field):  Add offset unconditionally for
3316         memory targets.
3317         (extract_bit_field):  Don't force extzv or extv operand into
3318         a register if field is too big.
3319
3320 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3321
3322         * config/arm/arm.c (pic_labelno): New.
3323         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3324         LABEL_REF.  Pass only the labelno to PIC insns.
3325         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3326         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3327         * arm.md (UNSPEC_PIC_LABEL): New constant.
3328         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3329         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3330         Use the correct label prefix.
3331
3332 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3333
3334         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3335         REQ_EQUIV note.
3336
3337 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3338
3339         * loop-invariant.c: Include tm_p.h.
3340         * Makefile.in: Updated.
3341
3342 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3343
3344         * pa.c (store_reg): Revise generation of frame notes in large frames.
3345         (set_reg_plus_d): Likewise.
3346
3347 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3348
3349         PR tree-optimization/24709
3350         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3351         loop check.
3352
3353 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3354
3355         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3356         and duplicate declaration of pthread_self.
3357
3358 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3359             Ian Lance Taylor  <ian@airs.com>
3360
3361         PR middle-end/24003
3362         * calls.c (expand_call): If TARGET is a MEM and some part of the
3363         argument area has been saved, force TARGET to a register.
3364
3365 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3366
3367         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3368         checking.
3369
3370 2005-11-13  Jason Merrill  <jason@redhat.com>
3371
3372         PR c++/22489
3373         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3374         lazily declared methods.
3375         (force_decl_die): Stop if forcing out the context already make a
3376         DIE for the decl.
3377         (force_type_die): Likewise.
3378
3379 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3380
3381         PR middle-end/24820
3382         * builtins.c (integer_valued_real_p): Add break in
3383         REAL_CST having TREE_OVERFLOW set.
3384
3385 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3386
3387         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3388         addressing modes during calculation of costs.
3389
3390 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3391
3392         * function.c (assign_stack_local_1): Restrict sanity check
3393         on frame size overflow to 32-bit and above platforms.
3394
3395 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3396
3397         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3398         * config/cris/cris.c: Include reload.h.
3399         (cris_initial_elimination_offset): New function.
3400         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3401         Prototype.
3402
3403 2005-11-12  Richard Guenther  <rguenther@suse.de>
3404
3405         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3406
3407 2005-11-12  Jan Hubicka  <jh@suse.cz>
3408
3409         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3410         to compare against 0 when possible.
3411
3412 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3413
3414         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3415         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3416         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3417         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3418         in the new order.
3419
3420 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3421
3422         * recog.c (constrain_operands) <case 'g'>: For a match, require
3423         that a non-register matches general_operand when strict >= 0.
3424
3425 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3426
3427         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3428         previous checkin.
3429
3430 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3431
3432         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3433         (memory_address_same): New.
3434         (dse_optimize_stmt): Call memory_address_same.
3435
3436 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3437
3438         PR middle-end/24750
3439         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3440         ZERO_EXTEND>: New cases.
3441
3442 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3443
3444         * longlong.h (__clz_tab): Always provide.
3445
3446 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3447
3448         PR 24265
3449         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3450         can be assigned to.
3451         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3452         before check_maybe_invariant.
3453         (move_invariant_reg): Use gen_move_insn instead of replacing
3454         SET_DEST with the temporary for the invariant.
3455         (move_loop_invariants): If checking is enabled, do internal
3456         consistency checks after completing the pass.
3457
3458 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3459
3460         PR 24644
3461         * common.opt (Wvolatile-register-var): New.
3462         * varasm.c (make_decl_rtl): Only emit warning when option
3463         specified.  Clarify warning message.
3464         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3465
3466         * doc/md.texi (copysign): Document standard named pattern.
3467
3468 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3469
3470         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3471         bytes when align is 2.
3472         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3473         by the first instruction of the loop.
3474
3475 2005-11-11  Jason Merrill  <jason@redhat.com>
3476
3477         PR c++/24686
3478         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3479         the cleanup list.
3480
3481 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3482
3483         PR rtl-optimization/22509
3484         * local-alloc.c (memref_used_between_p): Check whether a function call
3485         could not reference the memref.
3486
3487 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3488
3489         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3490         algorithm so as to choose the best, not the worst, alternative.
3491         Reset accumulated register class before processing next alternative.
3492
3493 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3494
3495         PR target/24445
3496         * calls.c (expand_call): Copy a return value to a plain register
3497         if needed.
3498
3499 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3500
3501         PR target/24778
3502         * varasm.c (assemble_name): Recompute name only for transparent
3503         aliases.
3504
3505 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3506
3507         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3508
3509 2005-11-04  Jeff Law  <law@redhat.com>
3510
3511         PR middle-end/23181
3512         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3513         perform reassociation if the parent statement will not die as
3514         a result of the optimization.
3515
3516 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3517
3518         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3519         delete_old_heap_vars.
3520         * tree-dfa.c (referenced_var_remove): Remove function.
3521         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3522         (delete_tree_ssa): Remove call to delete_old_heapvars.
3523         Add call to delete_alias_heapvars.
3524         * tree-flow.h (referenced_var_remove): Remove prototype
3525         (init_alias_heapvars): New prototype.
3526         (delete_alias_heapvars): Ditto.
3527         * Makefile.in (tree-ssa-structalias.o): Add
3528         gt-tree-ssa-structalias.o
3529         (GTFILES): Add tree-ssa-structalias.h and
3530         tree-ssa-structalias.c.
3531         (s-gtype): Add gt-tree-ssa-structalias.h.
3532         * tree-ssa-structalias.c (heapvars): Remove.
3533         (oldheapvars): Remove.
3534         (heapvar_for_stmt): New variable.
3535         (heapvar_lookup): New function.
3536         (heapvar_insert): Ditto.
3537         (get_constraint_for): See if we have an old heapvar
3538         to reuse.
3539         (init_alias_heapvars): New function.
3540         (delete_alias_heapvars): Ditto.
3541         Add include of gt-tree-ssa-structalias.h.
3542
3543 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3544
3545         PR middle-end/22127
3546         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3547
3548 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3549
3550         * tree.c (int_fits_type_p): Only look at the base type
3551         if it has the same precision as the original type.
3552
3553 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3554
3555         PR other/4372
3556         * varasm.c (assemble_alias): Use %q+D in the error
3557         message instead of %J and %qD.
3558
3559 2005-11-10  Richard Guenther  <rguenther@suse.de>
3560
3561         * gcse.c (free_ldst_entry): Only free hashtable if
3562         it exists.
3563
3564 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3565
3566         * function.c (assign_stack_local_1): Issue an error message if
3567         the frame size overflows in the signed target arithmetics.
3568
3569 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3570
3571         * tree.c (build_qualified_type): Chain the new type to the original
3572         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3573         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3574         (build_pointer_type_for_mode): Only return unqualified types.
3575         (build_reference_type_for_mode): Likewise.
3576
3577 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3578
3579         * Makefile.in (gnucompare): Do comparison of all files using one of
3580         the chosen methods and only afterwards decide if just warning should
3581         be issued or comparison failure raised.
3582
3583 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3584
3585         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3586         (noce_try_abs): Negate if the comparison is reversed.
3587         Look only one instruction backwards for a REG_EQUAL note.
3588
3589 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3590
3591         PR other/4372
3592         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3593         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3594         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3595         and prefix all uses with __ghtrw.
3596
3597 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3598
3599         PR other/4372
3600         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3601         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3602         * c-common.c (handle_weakref_attribute): New.
3603         (c_common_attribute_table): Add weakref.
3604         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3605         in the assembler.
3606         * configure, config.in: Rebuilt.
3607         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3608         * doc/extend.texi: Document weakref attribute.
3609         * varasm.c (ultimate_transparent_alias_target): New
3610         (assemble_name): Use it.
3611         (weak_finish_1): Split out of...
3612         (weak_finish): ... and deal with weakrefs in...
3613         (weakref_targets): ... new list.
3614         (globalize_decl): Clean up weakref_targets.
3615         (do_assemble_alias): Handle weakrefs.
3616         (finish_aliases_1): Do not reject weakrefs to external symbols.
3617         (assemble_alias): Handle weakrefs.
3618
3619 2005-11-09  Richard Guenther  <rguenther@suse.de>
3620
3621         PR tree-optimization/24716
3622         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3623         t_bool to track results from follow_ssa_edge.
3624
3625 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3626
3627         * final.c (force_source_line): New global variable.
3628         (final_scan_insn): Set it to true instead of clearing last_filename.
3629         (notice_source_line): Return true if force_source_line is true,
3630         unless source info is absent.
3631
3632 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3633
3634         PR c/24644
3635         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3636         a linkage name for a variable if it a register variable.
3637         * c-decl.c (grokdeclarator): Global register variables
3638         should be set as PUBLIC.
3639
3640 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3641
3642         PR 24624
3643         * config/s390/s390.c (struct s390_frame_layout): New fields
3644         first_save_gpr_slot and last_save_gpr_slot.
3645         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3646         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3647         first_save_gpr and last_save_gpr with the _slot variants.
3648         (s390_register_info): Calculate first_save_gpr_slot and
3649         last_save_gpr_slot using regs_ever_live.
3650
3651 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3652
3653         PR 24623
3654         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3655         for a function containing a landing pad.
3656
3657 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3658
3659         PR 24034
3660         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3661         is live afterwards.
3662
3663 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3664
3665         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3666         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3667
3668 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3669
3670         Add ms2 support
3671         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3672         constants.
3673         (call,load,store): New insn types.
3674         (mem_access, branch_access): Adjust reservation conditions.
3675         (define_delay): Adjust condition.
3676         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3677         type.
3678         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3679         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3680         insn type.
3681         (call_internal, call_value_internal, return_internal,
3682         return_interrupt_internal, eh_return_internal, indirect_jump,
3683         tablejump): Set call insn type.
3684         (blockage, ei, di): Use appropriate unspec const.
3685         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3686         (ms1_get_attr_type): Adjust to give load & store types.
3687         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3688         backwards past a barrier.
3689         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3690         branch scheduling.
3691         (struct branch_info, struct label_info): New.
3692         (ms1_labels): New.
3693         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3694         (ms1_machine_reorg): New.
3695         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3696         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3697         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3698         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3699         (TARGET_MS2): New.
3700
3701 2005-11-09  Per Bothner  <per@bothner.com>
3702             Uros Bizjak  <uros@kss-loka.si>
3703
3704         PR c/24101
3705         * toplev.c (process_options): Initialize debug_hooks early
3706         in case lang_hooks.post_options ends up calling a debug_hook.
3707
3708 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3709
3710         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3711         DBX_REGISTER_NUMBER being contiguous.
3712
3713 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3714             Diego Novillo  <dnovillo@redhat.com>
3715
3716         PR 23046
3717         * tree-vrp.c (register_edge_assert_for): Do not register
3718         always-false predicates.
3719
3720 2005-11-08  Devang Patel <dpatel@apple.com>
3721
3722         PR tree-optimization/23115
3723         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3724         relation.
3725
3726 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3727
3728         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3729         -mcpu=440.
3730
3731 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3732
3733         Fix PR tree-optimization/23382
3734
3735         * tree-ssa-alias.c (compute_may_aliases): Call
3736         delete_old_heap_vars.
3737         * tree-dfa.c (referenced_var_remove): New function.
3738         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3739         * tree-flow.h (referenced_var_remove): Add prototype.
3740         (delete_old_heap_vars): Ditto.
3741         * tree-ssa-structalias.c (heapvars): New variable.
3742         (oldheapvars): Ditto.
3743         (get_constraint_for): Put heap vars on heapvars list.
3744         (delete_old_heap_vars): New function.
3745
3746 2005-11-08  Jason Merrill  <jason@redhat.com>
3747
3748         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3749
3750 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3751
3752         PR target/19340
3753         * reg-stack.c (reg_to_stack): Update register liveness also
3754         for flag_sched2_use_traces.
3755
3756 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3757
3758         PR target/23704
3759         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3760         override prior explicit -mno-powerpc-gfxopt.
3761
3762 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3763
3764         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3765         if the bitsize is zero.
3766         * doc/md.texi (Standard Pattern Names): Document it.
3767
3768         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3769         (TARGET_PASS_BY_REFERENCE): Likewise.
3770
3771 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3772
3773         PR rtl-optimization/24683
3774         * config/i386/i386.c (legitimize_pic_address): If constant operand
3775         to PLUS is too large, put it in a register.
3776
3777 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3778
3779         * configure.ac: Enable checking assembler dwarf2 support for bfin
3780         target.
3781         * configure: Regenerate.
3782
3783 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3784
3785         PR target/24230
3786
3787         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3788         gen_easy_vector_constant_add_self): Delete.
3789         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3790         New.
3791         (output_vec_const_move): Use gen_easy_altivec_constant.
3792         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3793         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3794         (easy_vector_constant_add_self): Rewritten.
3795         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3796         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3797         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3798         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3799         Macroize and adjust for the other changes.
3800
3801 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3802
3803         PR c/24599
3804
3805         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3806         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3807
3808 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3809
3810         PR rtl-optimization/23567
3811         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3812         (noce_process_if_block): Don't do any optimizations except
3813         if (cond) x = x; if !set_b and write into orig_x may trap
3814         or fault.  Remove the MEM_READONLY_P check.
3815
3816 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3817
3818         PR 24670
3819         * tree-vrp.c (fix_equivalence_set): New.
3820         (extract_range_from_assert): Call it.
3821
3822 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3823
3824         PR target/22432
3825         * combine.c (apply_distributive_law): Don't distribute across a
3826         vector mode subreg.
3827
3828 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3829
3830         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3831         config/ms1/ms1.h, config/rs6000/predicates.md,
3832         config/s390/s390.c, params.def, postreload-gcse.c,
3833         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3834         tree-vrp.c, tree.c: Fix comment typos.
3835         * doc/invoke.texi: Fix typos.
3836
3837 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3838
3839         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3840         for testing whether the data_dependence_relation contains distance
3841         vectors.  Iterate over all distance vectors of the ddr.
3842         * lambda.h: Define a vec of lambda_vector pointers.
3843         * tree-data-ref.c (dump_data_dependence_relation,
3844         dump_data_dependence_direction): Iterate over all distance and
3845         direction vectors of the ddr.
3846         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3847         DDR_DIST_VECTS.
3848         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3849         of distance/direction vectors instead of a single one.
3850         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3851         lambda_vectors with a vec of lambda_vectors.
3852         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3853         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3854         DDR_NUM_DIST_VECTS): New.
3855         * tree-loop-linear.c (gather_interchange_stats): Test for the
3856         existence of distance vectors only after having checked that there
3857         is a dependence.  Iterate over all distance vectors of the ddr.
3858         (linear_transform_loops): Use dump_data_dependence_relation.
3859         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3860         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3861         distance vectors of the ddr.
3862
3863 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3864
3865         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3866         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3867         IS_INTHANDLER; all callers changed.
3868         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3869         account.
3870         (do_link, do_unlink): New argument ALL; all callers changed.
3871         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3872         If function isn't leaf, save and restore all registers.
3873         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3874         exception handler.
3875
3876 2005-11-05  Jan Hubicka  <jh@suse.cz>
3877
3878         PR rtl-optimization/23490
3879         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3880         max-flow-memory-location): Document.
3881         * flow.c: Include params.h
3882         (MAX_MEM_SET_LIST_LEN): Kill.
3883         (add_to_mem_set_list): Use new param.
3884         * cse.c (cse_basic_block): Replace 1000 by new param.
3885         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3886         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3887         * predict.c (predict_loops): Use new param.
3888         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3889
3890         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3891         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3892         Do not hold memory returned by cgraph_node_name across other call.
3893
3894 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3895
3896         PR target/23424
3897         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3898         Disable.
3899
3900 2005-11-04  Jeff Law  <law@redhat.com>
3901
3902         PR/21883
3903         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3904         * tree-ssa-dom.c: Include params.h.
3905         (thread_across_edge): If there are too many statements in the
3906         target block, then do not thread through it.
3907         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3908         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3909
3910 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3911
3912         PR 24627
3913         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3914         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3915
3916 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3917
3918         PR/18595
3919         * tree-scalar-evolution.c (instantiate_parameters_1,
3920         instantiate_parameters, resolve_mixers): Compute the size of an
3921         expression to be instantiated and give up the instantiation if the
3922         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3923
3924 2005-11-04  Richard Guenther  <rguenther@suse.de>
3925
3926         * tree-flow.h (ref_contains_indirect_ref): Rename to
3927         array_ref_contains_indirect_ref.
3928         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3929         (array_ref_contains_indirect_ref): Make comment match the code
3930         and vice-versa.
3931         (ref_contains_array_ref): Likewise.
3932         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3933         ref_contains_indirect_ref.
3934         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3935         Rename calls to ref_contains_indirect_ref.
3936
3937 2005-11-04 Paul Brook  <paul@codesourcery.com>
3938
3939         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3940         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3941         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3942         * config/arm/arm.md: Use match_operand in peephole input templates
3943         and match_dup in peephole output templates.
3944
3945 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3946
3947         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3948         __aeabi_uidiv.
3949
3950 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3951             Daniel Jacobowitz  <dan@codesourcery.com>
3952
3953         * longlong.h (add_ssaaaa): Clobber condition code register
3954         in ARM version.
3955         (sub_ddmmss): Likewise.
3956         (umul_ppmm): Likewise.
3957
3958 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3959             Paul Brook  <paul@codesourcery.com>
3960             Phil Blundell  <pb@reciva.com>
3961
3962         * configure.ac: Add test for ARM TLS support.
3963         * configure: Regenerated.
3964         * config/arm/arm-protos.h (legitimize_tls_address)
3965         (arm_tls_referenced_p, tls_mentioned_p)
3966         (arm_output_addr_const_extra): New prototypes.
3967         (thumb_legitimize_pic_address): Delete.
3968         * config/arm/arm.c: Include "gt-arm.h".
3969         (enum tls_reloc): New.
3970         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3971         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3972         (arm_call_tls_get_addr, legitimize_tls_address)
3973         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3974         (arm_init_tls_builtins, arm_emit_tls_decoration)
3975         (arm_output_addr_const_extra): New functions.
3976         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3977         (TARGET_HAVE_TLS): Define.
3978         (target_thread_pointer): New.
3979         (arm_override_options): Handle -mtp=.
3980         (legitimize_pic_address): Ignore UNSPECs.
3981         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3982         relative symbols.
3983         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3984         (tls_get_addr_libfunc): New variable.
3985         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3986         (arm_init_builtins): Call arm_init_tls_builtins.
3987         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3988         (arm_encode_section_info): Call default_encode_section_info.
3989         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3990         (enum arm_tp_type): New.
3991         (target_thread_pointer): Add declaration.
3992         (LEGITIMATE_CONSTANT_P): Handle TLS.
3993         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3994         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3995         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3996         * config/arm/arm.md: Add UNSPEC_TLS.
3997         (movsi): Handle TLS.
3998         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3999         non-PIC.
4000         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4001         (load_tp_hard, load_tp_soft): New insns.
4002         * arm.opt: Add -mtp=.
4003         * doc/invoke.texi (ARM Options): Document -mtp.
4004
4005 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4006
4007         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4008         * config/arm/libunwind.S: Include "lib1funcs.asm".
4009         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4010         (LIB2ADDEH): Add libunwind.S.
4011         (LIB2ADDEHDEP): Add lib1funcs.asm.
4012         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4013
4014 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4015
4016         PR fortran/18452
4017         * gcc/c.opt: Add a -lang-fortran option.
4018         * gcc/c-opts.c: Add a lang_fortran flag.
4019         (c_common_init_options): Handling the -lang-fortran option.
4020         (c_common_handle_option): Add a case for Fortran options in
4021         preprocessing. Remove cases for -ffixed-form and
4022         -ffixed-line-length. Add a case for -lang-fortran.
4023
4024 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4025
4026         * config/rs6000/rs6000.c: Include params.h
4027         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4028         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4029         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4030         (UNSPEC_VPKUWSS): Delete.
4031         (altivec_vpkuhss): Delete.
4032         (altivec_vpkuwss): Delete.
4033         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4034         final condition.
4035         (neg_eq0<mode>): Remove final condition.
4036         (neg_eq<mode>): Remove condition and split-condition.
4037
4038 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4039
4040         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4041         Use associated print macros.
4042
4043 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4044
4045         PR c++/17964
4046         * diagnostic.c (diagnostic_set_info_translated): New function.
4047         (diagnostic_set_info): Use it.  Add comment.
4048         * diagnostic.h (diagnostic_set_info_translated): Declare.
4049
4050 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4051
4052         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4053         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4054         reference only if 'public' is true.
4055         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4056         emit the .hidden directive only if the indirect reference is public.
4057         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4058         Pass it to dw2_force_const_mem.
4059         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4060         * dwarf2out.c (output_cfi): Adjust calls to above function.
4061         (output_call_frame_info): Likewise.
4062         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4063         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4064
4065 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4066
4067         PR tree-optimization/24483
4068         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4069         field to elts if possible.
4070
4071 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4072
4073         PR middle-end/23155
4074         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4075         CONSTRUCTOR.
4076
4077 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4078
4079         Fix PR tree-optimization/24351
4080
4081         * tree-ssa-structalias.c (struct variable_info): Add
4082         collapsed_into.
4083         (get_varinfo_fc): New function to follow collapsing.
4084         (new_var_info): Set collapsed_to to NULL.
4085         (dump_constraint): Follow collapsing.
4086         (build_constraint_graph): Handle collapsing.
4087         (do_simple_structure_copy): Return false if something bad
4088         happened.
4089         (collapse_rest_of_var): New function.
4090         (do_structure_copy): Collapse if do_simple_structure_copy returns
4091         false.
4092
4093 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4094
4095         PR middle-end/24589
4096         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4097         expressions to a statement list instead of gimplifying them.
4098
4099 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4100
4101         PR rtl-optimization/23585
4102         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4103         that can't trap plus a constant integer, if the mode has zero size.
4104
4105 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4106
4107         PR target/24620
4108         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4109         as operand 2.
4110         ("*insv<mode>_reg_extimm"): Likewise.
4111
4112 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4113
4114         PR c/24329
4115         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4116         c_common_type_for_mode returns an unnamed type.
4117
4118 2005-11-02  Richard Henderson  <rth@redhat.com>
4119
4120         PR target/9350
4121         PR target/24374
4122         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4123         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4124         * function.c (assign_parms): Use calls.internal_arg_pointer.
4125         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4126         code.
4127         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4128         (TARGET_CALLS): Add it.
4129         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4130         * targhooks.c (default_internal_arg_pointer): New.
4131         * targhooks.h (default_internal_arg_pointer): Declare.
4132         * tree.h (dwarf2out_reg_save_reg): Declare.
4133         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4134         * config/i386/i386.c (dbx_register_map): Add return column.
4135         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4136         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4137         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4138         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4139         (ix86_save_reg): Save force_align_arg_pointer.
4140         (ix86_emit_save_regs): Make regno unsigned.
4141         (ix86_emit_save_regs_using_mov): Likewise.
4142         (ix86_expand_prologue): Handle force_align_arg_pointer.
4143         (ix86_expand_epilogue): Likewise.
4144         * config/i386/i386.h: (dbx_register_map): Update.
4145         (dbx64_register_map, svr4_dbx_register_map): Update.
4146         (struct machine_function): Add force_align_arg_pointer.
4147         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4148         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4149         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4150
4151 2005-11-02  Jan Hubicka  <jh@suse.cz>
4152
4153         PR target/23303
4154         * i386.md: Add peep2 for simplyfing array accesses.
4155
4156 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4157
4158         PR target/24615
4159         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4160         * config/s390/s390.c (s390_decompose_shift_count): New function.
4161         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4162         (print_shift_count_operand): Use s390_decompose_shift_count.
4163         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4164         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4165
4166 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4167
4168         PR target/24600
4169         * loop.c (loop_givs_rescan): Use force_operand to expand
4170         complex GIVs.
4171
4172 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4173
4174         PR 22429
4175         * fold-const.c (build_range_check): Use unsigned when signed
4176         overflow is undefined also.  If etype is subtype, make sure that
4177         the subtraction is in the supertype.
4178
4179 2005-11-02  Richard Henderson  <rth@redhat.com>
4180
4181         PR target/24178
4182         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4183         by MEM_ALIGN.
4184
4185 2005-11-01  Richard Henderson  <rth@redhat.com>
4186
4187         PR 21518
4188         * loop.c (scan_loop): Do not propagate computations to a hard
4189         register destination with SMALL_REGISTER_CLASSES.
4190
4191 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4192
4193         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4194         costs for MULT inside PLUS or MINUS.
4195
4196 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4197
4198         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4199         (TRAMPOLINE_SIZE): Round up to 60.
4200         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4201
4202 2005-10-31  James E. Wilson  <wilson@specifix.com>
4203
4204         PR debug/24444
4205         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4206         ifdef.  Put ifdefs around call in gen_subprogram_die.
4207         (compute_frame_pointer_to_cfa_displacement): Likewise.
4208         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4209         not defined.
4210
4211         PR rtl-optimization/17356
4212         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4213         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4214
4215 2005-10-31  Jan Hubicka  <jh@suse.cz>
4216
4217         PR middle-end/24093
4218         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4219
4220         PR target/20928
4221         * i386.c (legitimize_pic_address): Deal with large immediates.
4222
4223         PR profile/20815
4224         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4225         from symbol names while computing checkup.
4226
4227         PR profile/24487
4228         * predict.c (predict_loops): Do not estimate more than
4229         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4230         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4231
4232 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4233
4234         PR tree-optimization/19097
4235         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4236
4237 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4238
4239         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4240
4241 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4242
4243         PR middle-end/23492
4244         * tree-inline.c (setup_one_parameter): If the init_stmt
4245         is NULL, don't insert the statement.
4246
4247 2005-10-30  Jan Hubicka  <jh@suse.cz>
4248
4249         PR tree-optimization/24172
4250         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4251
4252 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4253
4254         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4255         constants for hosts with long != 32 bits.
4256
4257 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4258
4259         PR middle-end/24093
4260         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4261
4262 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4263
4264         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4265         (TARGET_MS1_16_002): New.
4266         (TARGET_MS1_16_003): New.
4267
4268         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4269         ("*decrement_and_branch_until_zero_no_clobber"): New.
4270         Add corresponding splitter for decrement_and_branch_until_zero
4271         instruction.
4272         Key all decrement_and_branch_until_zero patterns off of
4273         TARGET_MS1_16_003.
4274
4275 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4276
4277         PR middle-end/24362
4278         * tree-complex.c (extract_component): Treat RESULT_DECL
4279         like the rest of the decls.
4280
4281 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4282
4283         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4284         indirect call to _mcount if the function needs a static chain.
4285
4286 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4287             Caroline Tice  <ctice@apple.com>
4288
4289         PR rtl-optimization/24460
4290         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4291         (dwarf2out_switch_text_section): Set it to true instead of
4292         incrementing separate_line_info_table_in_use.
4293         (output_loc_list): Additionally test have_switched_text_sections.
4294         (output_ranges): Likewise.
4295         (dwarf2out_finish): Likewise.
4296         * varasm.c (assemble_start_function): Do not call
4297         insert_section_boundary_note.
4298         (assemble_end_function): If flag_reorder_blocks_and_partition,
4299         switch to the function's section before emitting the .size directive.
4300         * bb-reorder.c (insert_section_boundary_note): Staticify.
4301         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4302         * output.h (insert_section_boundary_note): Delete.
4303
4304 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4305
4306         PR c/23103
4307         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4308         instead of pointer equality when comparing types.
4309
4310 2005-10-24  James E. Wilson  <wilson@specifix.com>
4311
4312         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4313         add_dependence_list_and_free calls.
4314
4315 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4316
4317         * contrib.texi: Add the names of the LLNL folks who donated
4318         Cray pointer support for gfortran.
4319
4320 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4321
4322         PR tree-optimization/24225
4323         * profile.c (branch_prob): Look from end to start through a
4324         basic block when looking for a locus.
4325
4326 2005-10-24  Richard Henderson  <rth@redhat.com>
4327
4328         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4329         parallel.
4330         (hppa_expand_prologue): Likewise.
4331
4332 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4333
4334         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4335         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4336         * pa.h (NO_PROFILE_COUNTERS): Define.
4337         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4338         (funcdef_nos): New vector to hold label numbers of deferred profile
4339         counters.
4340         (output_deferred_profile_counters): New function.
4341         (hppa_profile_hook): Push label number onto funcdef_nos.
4342         (pa_hpux_file_end): Call output_deferred_profile_counters if
4343         NO_DEFERRED_PROFILE_COUNTERS is false.
4344
4345         * pa-protos.h (get_deferred_plabel): New prototype.
4346         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4347         Make global.
4348         (output_call): Adjust calls.
4349
4350 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4351
4352         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4353         peculiarity of GOT/TOC section usage.
4354
4355 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4356
4357         PR objc/24435
4358          * c-common.c (constant_string_class_name): Add documentation.
4359
4360 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4361
4362         PR target/23832
4363         * recog.c (peephole2_optimize): Increment peep2_current_count
4364         only when the slot is empty.
4365
4366 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4367
4368         PR ada/23957
4369         * except.c (output_function_exception_table): Call
4370         assemble_external_libcall if we need a personality function.
4371
4372 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4373
4374         PR rtl-optimization/24460
4375         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4376         set the basic block for barriers.
4377
4378 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4379
4380         * var-tracking.c (vt_initialize): Initialize post.
4381
4382 2005-10-21  Devang Patel  <dpatel@apple.com>
4383
4384         PR/24220
4385         * c-common.c (vector_types_convertible_p): Check vector element type.
4386
4387 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4388
4389         * config/sh/sh.c (prepare_move_operands): Handle the address
4390         constant which is a tls symbolic address plus a constant.
4391
4392 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4393
4394         PR driver/24473
4395         * gcc.c (main): Use the correct counter for erroring out
4396         about mulitple files.
4397
4398 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4399
4400         PR target/24465
4401         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4402         use r2 for 64-bit tls .got access.
4403
4404 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4405
4406         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4407         TRUTH_OR_EXPR.
4408
4409 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4410
4411         PR tree-optimization/24307
4412         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4413
4414 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4415
4416         PR middle-end/24295
4417         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4418         alias targets.
4419         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4420         is ready, stop marking functions, but still mark variables.
4421
4422 2005-10-20  Richard Guenther  <rguenther@suse.de>
4423
4424         PR c++/24439
4425         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4426         void type operands.
4427
4428 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4429
4430         PR rtl-optimization/23585
4431         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4432         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4433         (may_trap_p_1): New predicate extracted from...
4434         (may_trap_p): ... here.  Invoke may_trap_p_1.
4435         (may_trap_or_fault_p): New predicate.
4436         * rtl.h (may_trap_or_fault_p): Declare it.
4437         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4438         instead of may_trap_p.
4439         (steal_delay_list_from_fallthrough): Likewise.
4440         (fill_simple_delay_slots): Likewise.
4441         (fill_slots_from_thread): Likewise.
4442         * function.c (pad_to_arg_alignment): Rework comment about
4443         SPARC_STACK_BOUNDARY_HACK.
4444         * config/sparc/sparc.h: Likewise.
4445
4446 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4447
4448         * config/s390/s390.c (s390_expand_insv): New.
4449         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4450         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4451         ("icm_hi"): Remove mode attribute.
4452         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4453         Adjust all uses.
4454         ("*extracthi", "*extractqi"): Remove.
4455         (extv<mode>", "*extzv<mode>"): New.
4456         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4457         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4458
4459 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4460
4461         * cfgexpand.c (discover_nonconstant_array_refs_r,
4462         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4463         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4464         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4465         discover_nonconstant_array_refs.
4466
4467 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4468
4469         PR c/23228
4470         * c-decl.c (pop_scope): Don't warn about an unused variable
4471         if it is marked with TREE_NO_WARNING.
4472         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4473         somenow mismatch and olddecl is to be replaced.
4474
4475 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4476
4477         PR middle-end/23199
4478         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4479         whether registers live on the edge can be saved/restored.
4480
4481 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4482
4483         * config/sh/sh.c (fixup_mova): Skip notes.
4484
4485 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4486
4487         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4488         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4489         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4490         (s390_initial_elimination_offset): Likewise.
4491         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4492         register on TARGET_ZARCH targets.
4493         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4494         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4495         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4496         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4497
4498 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4499
4500         * config/s390/s390.md: Comment describing output modifiers updated.
4501         * config/s390/s390.c (print_operand): Likewise.
4502
4503 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4504
4505         * config/s390/s390.c (override_options): Added check for -mstack-size
4506         64k limitation.
4507         * doc/invoke.texi: Mention that limit in the documenation.
4508
4509 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4510
4511         PR #19672
4512         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4513
4514 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4515
4516         Fix PR tree-optimization/24231
4517
4518         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4519         (compute_avail): Ditto.
4520
4521 2005-10-18  Richard Henderson  <rth@redhat.com>
4522
4523         PR target/24428
4524         * config/i386/i386.c (legitimate_constant_p): Check
4525         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4526         if LABEL_REF.
4527         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4528         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4529         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4530         directly.
4531         (print_operand_address): Likewise.
4532         * config/i386/predicates.md (x86_64_immediate_operand): Test
4533         SYMBOL_REF_TLS_MODEL properly inside CONST.
4534         (x86_64_zext_immediate_operand): Likewise.
4535         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4536         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4537         * config/i386/i386-protos.h: Remove predicates.md entries.
4538
4539 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4540
4541         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4542         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4543
4544 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4545             Ian Lance Taylor <ian@airs.com>
4546
4547         PR middle-end/23522
4548         * fold-const.c (fold_widened_comparison): Do not allow range based
4549         constant folding when right operand cannot be unwidened.
4550
4551 2005-10-17  Richard Henderson  <rth@redhat.com>
4552
4553         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4554         with a memory clobber.
4555
4556 2005-10-17  James E Wilson  <wilson@specifix.com>
4557
4558         PR rtl-optimization/17356
4559         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4560         checking for EDGE_EH.
4561
4562 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4563
4564         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4565         the slot on an even boundary for any type with 16-byte alignment.
4566
4567 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4568
4569         PR target/23424
4570         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4571         after register allocation.
4572
4573 2005-10-17  DJ Delorie  <dj@redhat.com>
4574
4575         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4576         as frame related.
4577
4578 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4579
4580         PR c++/22551
4581         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4582         overflow flags.
4583
4584 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4585
4586         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4587         to 2 if it's already non-zero.
4588         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4589         is set and warn about it if flag_schedule_insns is 1.
4590
4591 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4592
4593         * config/crx/crx.md: Compare-and-branch instructions need to
4594         invalidate CC.
4595
4596 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4597
4598         PR target/24315
4599         * config/i386/i386.md (*pushdi2_rex64 splitter)
4600         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4601         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4602         flow2 pass only when (optimize > 0 && flag_peephole2).
4603
4604 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4605
4606         PR driver/22544
4607         * gcc.c (have_c): New static variable.
4608         (have_o): Likewise.
4609         (process_command): Remove declation of have_c.
4610         Set have_o to 1 when handling -o.
4611         (main): Add a fatel error if there are multiple
4612         files specified and -o and -c/-S is passed witout
4613         -combine or multiple languages.
4614
4615 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4616
4617         Fix PR tree-optimization/22444
4618         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4619         Assert that we don't hit something with subvars.
4620         (setup_pointers_and_addressables): Don't add things with subvars,
4621         because we'll already process the subvars for aliasing purposes.
4622
4623 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4624
4625         PR target/23424
4626         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4627         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4628         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4629         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4630         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4631         swapped, alternatives for the R constraint.
4632
4633         PR middle-end/24341
4634         * builtins.c (get_builtin_sync_mode): Make unlimited
4635         mode_for_size request.
4636
4637 2005-10-15  Richard Henderson  <rth@redhat.com>
4638
4639         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4640         (gimplify_expr): ... here.
4641         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4642         fb_lvalue in base expression.
4643
4644 2005-10-15  Richard Henderson  <rth@redhat.com>
4645
4646         PR 23714
4647         * builtins.c (expand_builtin_trap): Export.
4648         * expr.h (expand_builtin_trap): Declare.
4649         * expr.c (expand_assignment): Emit a trap for integral offsets
4650         from registers that weren't reduced to bitpos.
4651
4652         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4653         (mark_array_ref_addressable): Remove.
4654         * tree-flow.h (mark_array_ref_addressable): Remove.
4655         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4656
4657 2005-10-15  James E Wilson  <wilson@specifix.com>
4658
4659         PR target/24232
4660         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4661         (add_dependence_list_and_free): Likewise.
4662         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4663         call.
4664
4665 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4666
4667         PR 23141
4668         PR 23142
4669         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4670         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4671         anti-range.
4672         (vrp_visit_phi_node): Only prevent infinite iterations when
4673         the previous result and the new result are both VR_RANGEs.
4674
4675 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4676
4677         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4678         function comment.
4679
4680 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4681
4682         PR c/23439
4683         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4684         to initialize loc.
4685
4686 2005-10-14  Per Bothner  <per@bothner.com>
4687
4688         PR preprocessor/21250
4689         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4690
4691 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4692
4693         PR c++/22551
4694         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4695         overflow flags.  Refactor some conditionals.
4696
4697 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4698
4699         PR tree-opt/21304
4700         * tree-dfa.c (add_referenced_var): Only look at decls which
4701         have TREE_CONSTANT or TREE_READONLY set instead of if
4702         !TREE_PUBLIC or !TREE_CONSTANT.
4703
4704 2005-10-13  James E Wilson  <wilson@specifix.com>
4705
4706         * doc/invoke.texi: For -x, add f95-cpp-input.
4707         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4708
4709 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4710
4711         PR tree-optimization/24262
4712         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4713         in loop all the time.
4714
4715 2005-10-12  Richard Henderson  <rth@redhat.com>
4716
4717         PR c/24255
4718         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4719         * function.c (assign_parm_find_data_types): Don't support it.
4720         * print-tree.c (print_node): Likewise.
4721         * c-common.c (handle_transparent_union_attribute): Likewise.
4722         Use build_duplicate_type.
4723         * tree-inline.c (remap_type_1): Split out of remap_type;
4724         properly remap aggregate fields.
4725         (build_duplicate_type): New.
4726         * doc/extend.texi (Variable Attributes): Remove documentation
4727         for transparent_union.
4728
4729 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4730
4731         PR target/24284
4732         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4733         (gen_stack_pointer_dec): Likewise.
4734
4735 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4736
4737         PR middle-end/21275
4738         PR middle-end/21766
4739         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4740         target hook.
4741         (struct cxx): Add adjust_class_at_definition target hook.
4742         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4743         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4744         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4745         hook_void_tree. Add to TARGET_CXX.
4746         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4747         dllimport_flag.
4748         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4749         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4750         instead of attribute. Check for dllexport override.  Warn if
4751         inconsistent dll linkage. Don't lose old dllimport if decl has
4752         had address referenced.   Tweak lookup of dllimport atribute.
4753         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4754         for target specific rules.  Don't add dllimport attribute if
4755         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4756         dllimport attribute.
4757         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4758         * varasm.c (initializer_constant_valid_p): Replace
4759         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4760
4761         PR target/21801
4762         PR target/23589
4763         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4764         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4765         (i[34567]86-*-mingw32*): Likewise.
4766
4767         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4768         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4769
4770         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4771         C++-specific code. Change return value to bool.
4772         (i386_pe_dllimport_p): Likewise.
4773         (associated_type): Simplify and make language-independent
4774         (i386_pe_encode_section_info): Replace override of ambiguous
4775         dllimport symbol refs with a gcc_assert.
4776         (i386_pe_valid_dllimport_attribute_p): Define.
4777         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4778         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4779         i386_pe_adjust_class_at_definition.
4780         * config/i386/winnt-stubs.c: New file. Define stub versions of
4781         lang-specific functions.
4782         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4783         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4784         i386_pe_adjust_class_at_definition.
4785         (i386_pe_valid_dllimport_attribute_p): Declare.
4786         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4787         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4788         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4789
4790         PR target/19704
4791         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4792         dllimport attribute with test of DECL_DLLIMPORT_P.
4793
4794 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4795
4796         * combine.c (make_extraction): Correct offset computation.
4797
4798 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4799
4800         * config/cris/t-linux (LIMITS_H_TEST): Define.
4801
4802 2005-10-12  Richard Henderson  <rth@redhat.com>
4803
4804         PR rtl-opt/23324
4805         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4806
4807 2005-10-12  Richard Guenther  <rguenther@suse.de>
4808
4809         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4810
4811 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4812
4813         PR c++/19964
4814         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4815         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4816         type.
4817
4818 2005-10-12  Richard Guenther  <rguenther@suse.de>
4819
4820         PR c++/23799
4821         * varasm.c (output_constant): Correct typo from previous
4822         patch by DJ.
4823
4824 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4825
4826         PR rtl-optimization/13931
4827         * combine.c: Revert patch of 2003-05-14, and:
4828         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4829         completely killed in the appropriate insn.
4830         (distribute_notes): Don't skip multiple hard register test for
4831         elim_i1 and elim_i2.
4832
4833 2005-10-11  Richard Henderson  <rth@redhat.com>
4834
4835         PR c/24255
4836         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4837         to initialize a transparent union instead of a nop_expr.
4838
4839 2005-10-11  Richard Henderson  <rth@redhat.com>
4840
4841         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4842         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4843         (tree_ssa_dce_loop): Call scev_reset.
4844
4845         PR tree-opt/24300
4846         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4847         * tree-ssa-dce.c: Include cfgloop.h.
4848         (tree_ssa_dce_loop, pass_dce_loop): New.
4849         * tree-pass.h (pass_dce_loop): Declare it.
4850         * passes.c (init_optimization_passes): Use it.
4851
4852 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4853
4854         PR middle-end/24263
4855         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4856         Only apply the optimization for rounding builtins if the inner
4857         cast is also an extension.
4858
4859 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4860
4861         PR tree-opt/23946
4862         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4863         mark_new_vars_to_rename instead of update_stmt.
4864
4865 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4866
4867         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4868
4869 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4870
4871         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4872         for setting MMX register to 0 rather than mmx.
4873
4874 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4875
4876         PR target/12098
4877         * configure.ac: Move gas check from mips specific case to common case.
4878         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4879         * configure: Regenerate
4880         * doc/install.texi: Update.
4881
4882 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4883
4884         PR target/24284
4885         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4886
4887 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4888
4889         * gcc.c (do_spec_1): Accept numeric characters in file name
4890         suffixes.
4891
4892 2005-10-10  Nick Clifton  <nickc@redhat.com>
4893
4894         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4895         describing the deleted arm_gen_rotated_half_load function.
4896
4897 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4898
4899         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4900         __fpscr_values.
4901
4902 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4903
4904         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4905         gnu_ld assignments.
4906         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4907         (EXTRA_MULTILIB_PARTS): Define.
4908         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4909         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4910         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4911         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4912         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4913         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4914
4915 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4916
4917         PR tree-optimization/24226
4918         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4919         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4920         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4921         Export.
4922
4923 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4924
4925         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4926
4927 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4928
4929         PR target/24136
4930         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4931         Rewrite for no need for the early clobber.
4932
4933 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4934
4935         Merge from csl-arm-branch:
4936         2005-09-07  Paul Brook  <paul@codesourcery.com>
4937         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4938         space to string.
4939
4940         2005-04-30  Paul Brook  <paul@codesourcery.com>
4941         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4942         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4943
4944         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4945         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4946         (arm_override_options): Use TARGET_AAPCS_BASED.
4947         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4948         (PTRDIFF_TYPE): Use int for AAPCS.
4949         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4950         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4951         (DEFAULT_SHORT_ENUMS): Delete.
4952         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4953
4954         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4955         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4956         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4957         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4958
4959         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4960         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4961
4962         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4963         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4964
4965         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4966         * config.gcc (arm*-*-linux-gnueabi): Add it.
4967         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4968         redefining it.
4969         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4970         * config/arm/linux-eabi.h: New file.
4971         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4972         (LINUX_TARET_LINK_SPEC): Likewise.
4973         (LINK_SPEC): Use it.
4974         * config/arm/t-linux-eabi: New file.
4975
4976 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4977
4978         PR other/22202
4979         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4980         spaces.
4981         (PARAM_SMS_DFA_HISTORY): Likewise.
4982
4983 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4984
4985         PR middle-end/23150
4986         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4987         (load_register_parameters): Call it.
4988         (check_sibcall_argument_overlap_1): Likewise.
4989         (store_one_arg): Likewise.
4990
4991 2005-10-07  James E. Wilson  <wilson@specifix.com>
4992
4993         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4994         DImode not VECINT24 for operand 2.
4995
4996         PR target/23644
4997         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4998         -mtune-arch.
4999
5000         PR target/24193
5001         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5002         fr_spill): Use destination_operand for operand 0.
5003
5004 2005-10-07  DJ Delorie  <dj@redhat.com>
5005
5006         * varasm.c (output_constant): Limit error to expanding
5007         conversions.
5008
5009 2005-10-07  Richard Guenther  <rguenther@suse.de>
5010
5011         PR middle-end/24227
5012         * fold-const.c (fold_binary): Fix operand types during folding
5013         of X op (A, Y).  Evaluation order of the side-effects of
5014         X and A are frontend-defined, so ensure we honour that even for
5015         tcc_comparison class operands; eased by removing duplicate code.
5016
5017 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5018
5019         * stor-layout.c (layout_type): Do not allow alignment of array
5020         elements to be greater than their size.
5021
5022 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5023
5024         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5025         host_xmake_file.
5026         (hppa*-*-linux*): Ditto.
5027         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5028         * config/host-hpux.c: New.
5029         * config/x-hpux: New.
5030         * config/pa/x-hpux: Remove.
5031         * config/pa/x-linux: Remove.
5032         * config/pa/pa-host.c: Remove.
5033
5034 2005-10-07  Jeff Law  <law@redhat.com>
5035
5036         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5037         determine whether or not to try and thread outgoing edges.
5038
5039 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5040
5041         * config/rs6000/rs6000.md (eqsi_power): New.
5042         (neg_eq0si): Add TARGET_POWER to final condition.
5043         (neg_eqsi): Same.
5044
5045 2005-10-06  Richard Henderson  <rth@redhat.com>
5046
5047         * config/rs6000/rs6000.c: Revert last change.
5048
5049 2005-10-06  Richard Henderson  <rth@redhat.com>
5050
5051         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5052         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5053
5054 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5055
5056         PR middle-end/22216
5057         PR middle-end/23651
5058         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5059         out return_label and naked_return_label.
5060
5061 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5062
5063         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5064         change.
5065
5066 2005-10-06  Richard Henderson  <rth@redhat.com>
5067
5068         PR tree-opt/22237
5069         * tree-inline.c (declare_return_variable): Handle modify_dest not
5070         being a DECL.
5071
5072 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5073
5074         Fix PR tree-optimization/22488
5075         * tree-ssa-structalias.c (check_for_overlaps): New function.
5076         (create_variable_info_for): Use it.
5077
5078 2005-10-06  Richard Henderson  <rth@redhat.com>
5079
5080         PR debug/24070
5081         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5082         (dwarf2out_start_source_file): Print it.
5083
5084 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5085
5086         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5087
5088 2005-10-06  Richard Henderson  <rth@redhat.com>
5089
5090         PR 23706
5091         * mode-switching.c (optimize_mode_switching): Clear transp bit
5092         for block with incomming abnormal edges.
5093
5094         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5095         (fpscr_set_from_mem): Use them.
5096         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5097         (fpscr postinc splitters): Rewrite as peephole2+split.
5098
5099 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5100
5101         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5102         (eq<mode>_compare): Same.
5103
5104 2005-10-06  Richard Guenther  <rguenther@suse.de>
5105
5106         PR tree-optimization/24238
5107         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5108
5109 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5110
5111         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5112         here.  Use AC_PATH_PROG for environment variables instead of
5113         test -x.
5114         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5115         objdump also.
5116         * configure: Regenerated.
5117
5118 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5119
5120         PR target/23783
5121         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5122         then force it into a register.
5123         (call_value): Likewise.
5124
5125 2005-10-06  Richard Henderson  <rth@redhat.com>
5126
5127         PR 24049
5128         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5129         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5130         under pass_vectorize.
5131
5132 2005-10-05  Devang Patel  <dpatel@apple.com>
5133
5134         PR Debug/23205
5135         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5136         handling constants. Check NAMESPACE_DECL context for constants.
5137
5138 2005-10-05  Eric Christopher  <echristo@apple.com>
5139
5140         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5141
5142 2005-10-05  Richard Henderson  <rth@redhat.com>
5143
5144         PR 23714
5145         * tree-cfg.c (mark_array_ref_addressable_1): New.
5146         (mark_array_ref_addressable): New.
5147         * tree-flow.h (mark_array_ref_addressable): Declare.
5148         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5149
5150 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5151
5152         PR middle-end/20606
5153         PR middle-end/24069
5154         * reload.c (subst_reloads): When adding a REG_LABEL to a
5155         jump instruction, also update JUMP_LABEL.
5156
5157 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5158
5159         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5160         * bb-reorder.c (copy_bb_p): Use it.
5161         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5162
5163 2005-10-05  Richard Henderson  <rth@redhat.com>
5164
5165         PR target/23602
5166         * toplev.c (process_options): Warn about unsupported combinations
5167         of unwind tables and omit-frame-pointer.
5168         * config/i386/i386.c (override_options): Similarly.  Enable
5169         accumulate-outgoing-args if not explicitly disabled.
5170
5171 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5172
5173         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5174         Handle big endian vs. small endian.
5175         (vec_initv2sf): Handle big endian vs. small endian.
5176         (*vec_extractv2sf_1): Ditto.
5177
5178 2005-10-05  Dale Johannesen  <dalej@apple.com>
5179
5180         * convert.c (convert_to_real):  Don't convert
5181         (float)floor(double d) to floorf((float)d).
5182
5183 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5184
5185         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5186
5187 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5188
5189         PR tree-optimization/18587
5190         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5191         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5192         build_vuses): Change to VEC type.
5193         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5194         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5195         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5196         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5197         (get_name_decl): New.  Return DECL_UID of base variable.
5198         (operand_build_cmp): New.  qsort comparison routine.
5199         (operand_build_sort_virtual): New.  Sort virtual build vector.
5200         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5201         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5202         (FINALIZE_BASE): Use get_name_decl.
5203         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5204         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5205         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5206         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5207         direct VEC_* manipulations.
5208         (build_ssa_operands): Call operand_build_sort_virtual.
5209         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5210         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5211         with direct VEC_* manipulations.
5212         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5213         with direct VEC manipulations.
5214
5215 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5216
5217         PR tree-optimization/21419
5218         PR tree-optimization/24146
5219         PR tree-optimization/24151
5220
5221         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5222         (build_asm_expr): Call it if outputs are read-only.
5223         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5224
5225 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5226             Paolo Bonzini  <bonzini@gnu.org>
5227
5228         PR target/23809
5229
5230         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5231         enable the instructions and not just the built-ins.
5232         * doc/invoke.texi (x86 Options): Likewise.
5233
5234 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5235
5236         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5237
5238         * doc/invoke.texi (Option Summary): Correct spelling
5239         of -mmacosx-version-min.
5240
5241 2005-10-04  Devang Patel  <dpatel@apple.com>
5242
5243         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5244         real types.
5245
5246 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5247
5248         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5249         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5250
5251 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5252
5253         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5254         ("TE","tg"): New mode attributes.
5255         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5256         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5257         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5258         dword_mode and one for GPRmode.
5259
5260 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5261
5262         PR preprocessor/13726
5263         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5264         any comments passed in.
5265
5266 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5267
5268         * tree.c (annotate_with_file_line): Fix typo.
5269
5270 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5271
5272         PR ada/19382
5273         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5274         type used to access data in the inlined length == 1 case, use
5275         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5276         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5277
5278 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5279
5280         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5281         TARGET_SSE3 and only for TARGET_80387.
5282         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5283         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5284         Do not depend on TARGET_80387.
5285
5286 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5287
5288         * tree.c (last_annotated_node): Change type to location_t*.
5289         (annotate_with_file_line): Reflect the change of
5290         last_annotated_node type.
5291
5292 2005-10-04  Richard Guenther  <rguenther@suse.de>
5293
5294         PR c/23576
5295         * c-decl.c (grokdeclarator): Don't write to fields
5296         of error_mark_node.
5297
5298 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5299
5300         PR middle-end/23125
5301         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5302         register variables.
5303         * varasm.c (make_decl_rtl): If a register variable does not
5304         have a set user assmbler name, error out.
5305         Decode the asmspec is now name+1 bypassing '*'.
5306
5307 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5308
5309         PR tree-optimization/23049
5310         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5311         of a COND_EXPR is folded before calling fold on the whole rhs of a
5312         conditional assignment.
5313         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5314         document that a COND_EXPR may appear there.
5315
5316 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5317
5318         PR 23445
5319         * tree-vrp.c (extract_range_from_assert): If the new numeric
5320         range created out of the assertion contradicts the existing
5321         numeric range of the ASSERT_EXPR variable, make the new range
5322         varying.
5323
5324 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5325
5326         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5327         from T_REGS to FP register class.
5328
5329 2005-10-03  Richard Henderson  <rth@redhat.com>
5330
5331         PR 24135
5332         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5333         before creating a new one.
5334
5335 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5336
5337         * config/rs6000/t-aix43 (LDFLAGS): New.
5338         * config/rs6000/t-aix52 (LDFLAGS): New.
5339
5340 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5341
5342         * gimplify.c (find_single_pointer_decl_1): New static function.
5343         (find_single_pointer_decl): New static function.
5344         (internal_get_tmp_var): For a formal variable, set restrict base
5345         information if appropriate.
5346         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5347         return it.
5348         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5349         (DECL_GET_RESTRICT_BASE): Define.
5350         (SET_DECL_RESTRICT_BASE): Define.
5351         (decl_restrict_base_lookup): Declare.
5352         (decl_restrict_base_insert): Declare.
5353         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5354         * tree.c (restrict_base_for_decl): New static variable.
5355         (init_ttree): Initialize restrict_base_for_decl.
5356         (copy_node_stat): Copy restrict base information.
5357         (decl_restrict_base_lookup): New function.
5358         (decl_restrict_base_insert): New function.
5359         (print_restrict_base_statistics): New static function.
5360         (dump_tree_statistics): Call print_restrict_base_statistics.
5361
5362 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5363
5364         PR 24142
5365         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5366         case of anti-ranges.
5367
5368 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5369
5370         PR c/18851
5371         * c-typeck.c (tagged_tu_seen): Rename to ...
5372         (tagged_tu_seen_cache): this and add val field.
5373         (comptypes): Move functional to comptypes_internal
5374         and free tagged_tu_seen.
5375         (comptypes_internal): New function and call comptypes_internal
5376         instead of comptypes. Speed up by sibcalling
5377         tagged_types_tu_compatible_p.
5378         (alloc_tagged_tu_seen): New function
5379         (free_all_tagged_tu_seen_up_to): New function.
5380         (tagged_types_tu_compatible_p): Return the val of the seen two
5381         types.
5382         Add that the two types are the same to tagged_tu_seen_base
5383         if they are and call comptypes_internal instead of comptypes.
5384         <case UNION_TYPE>: Speed up common type where the fields are
5385         in the same order.
5386         (function_types_compatible_p): Call comptypes_internal instead of
5387         comptypes.
5388         (type_lists_compatible_p): Likewise.
5389         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5390
5391 2005-10-02  Matthias Klose  <doko@debian.org>
5392
5393         * doc/invoke.texi: Fix typo and speling error.
5394
5395 2005-10-01  Richard Henderson  <rth@redhat.com>
5396
5397         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5398
5399 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5400
5401         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5402         using --start-group and --end-group.
5403
5404 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5405
5406         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5407         FIXME note regarding quirky semantics.
5408
5409 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5410
5411         PR 24141
5412         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5413         non-null range as a last resort.
5414
5415 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5416             Diego Novillo  <dnovillo@redhat.com>
5417
5418         PR 23604
5419         * tree-vrp.c (extract_range_from_assert): For !=
5420         assertions, only build an anti-range if LIMIT is a
5421         single-valued range.
5422
5423 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5424
5425         * arm.md (movqi): On thumb when optimizing, handle loading from
5426         memory by describing this as taking a subreg of a zero-extended load
5427         into an SImode register.
5428         (movhi): Likewise.
5429
5430 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5431
5432         * reload1.c (merge_assigned_reloads): Do not change any
5433         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5434
5435 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5436
5437         * Makefile.in (LIPO_FOR_TARGET): Define.
5438         (STRIP_FOR_TARGET): Define.
5439
5440         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5441         before creating new ones.  Do symlinks before creating the actual
5442         targets.
5443
5444         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5445         to work out which multilibs are actually being built.
5446
5447 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5448
5449         * tree-vect-transform.c, config/ms1/ms1.md,
5450         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5451         Follow spelling conventions.
5452         * doc/invoke.texi, doc/md.texi: Fix typos.
5453
5454 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5455
5456         PR tree-optimization/21430
5457         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5458         use operands, and set stmt pointer if need be.
5459         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5460         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5461         present.
5462
5463 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5464
5465         PR middle-end/24053
5466         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5467
5468 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5469
5470         * optabs.c (expand_binop): Initialize first_pass_p.
5471
5472 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5473
5474         PR middle-end/24109
5475         * c-decl.c (c_write_global_declarations_1): If any
5476         wrapup_global_declaration_2 call returned true, restart the loop.
5477
5478 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5479
5480         Fix PR tree-optimization/24117
5481         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5482         before considering whether to use anyoffset.
5483
5484 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5485
5486         Revert this patch:
5487
5488         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5489
5490         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5491         to order operands.
5492         (swap_commutative_operands_with_target): New.
5493
5494 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5495
5496         PR c/21419
5497         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5498         read-only.
5499
5500 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5501
5502         PR tree-optimization/23911
5503         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5504         and IMAGPART_EXPR too.
5505
5506 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5507
5508         PR 17886
5509         * expmed.c (expand_shift): Move logic to reverse rotation
5510         direction when  rotating by constants ...
5511         * optabs.c (expand_binop): ... here.
5512         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5513         (ix86_rotrdi3): New pattern.
5514         (rotldi3): Handle 32-bit mode.
5515         (ix86_rotldi3): New pattern.
5516
5517 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5518
5519         PR target/24102
5520         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5521         check for numbers that need no bit twiddle.
5522
5523 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5524
5525         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5526         multilib to be built.
5527
5528         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5529         (stage1-start): Delete old libgcc and libunwind before moving
5530         anything into the stage directory.
5531         (stage2-start): Likewise.
5532         (stage3-start): Likewise.
5533         (stage4-start): Likewise.
5534         (stageprofile-start): Likewise.
5535         (stagefeedback-start): Likewise.
5536         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5537         header in tm_file and CPU-specific t-darwin in tmake_file.
5538         (i[34567]86-*-darwin*): Don't change tm_file.
5539         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5540         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5541         shared library stub for target OS version.
5542         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5543         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5544         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5545         (libgcc_s.%.dylib): New.
5546         (LIBGCC): Define.
5547         (install-darwin-libgcc-stubs): New.
5548         (INSTALL_LIBGCC): New append.
5549         * config/i386/darwin-libgcc.10.4.ver: New.
5550         * config/i386/darwin-libgcc.10.5.ver: New.
5551         * config/i386/t-darwin: New.
5552         * config/rs6000/darwin-libgcc.10.4.ver: New.
5553         * config/rs6000/darwin-libgcc.10.5.ver: New.
5554         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5555         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5556
5557 2005-09-28  Paul Brook  <paul@codesourcery.com>
5558
5559         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5560         denormals.
5561
5562 2005-09-28  Richard Guenther  <rguenther@suse.de>
5563
5564         PR tree-optimization/23853
5565         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5566         host_integerp to verify misalignment value.
5567
5568 2005-09-28  Richard Henderson  <rth@redhat.com>
5569
5570         * builtins.c (get_builtin_sync_mode): New.
5571         (expand_builtin_sync_operation): Pass in mode argument.
5572         (expand_builtin_compare_and_swap): Likewise.
5573         (expand_builtin_lock_test_and_set): Likewise.
5574         (expand_builtin_lock_release): Likewise.
5575         (expand_builtin): Update to match.
5576
5577 2005-09-28  Nick Clifton  <nickc@redhat.com>
5578
5579         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5580         formatting.  Add check to PLUS case to ensure that the offset is
5581         within an acceptable range.
5582
5583         * config/v850/v850.md (casesi): Disable the generation of the
5584         switch pattern as it is not being handled properly at the moment.
5585
5586         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5587         for when the high words are identical.
5588
5589 2005-09-27  Richard Henderson  <rth@redhat.com>
5590
5591         * pretty-print.c (pp_base_format): Fix typo for %>.
5592
5593 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5594             Devang Patel  <dpatel@apple.com>
5595
5596         PR tree-optimization/23625
5597         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5598         LABEL_EXPR, assertion check.
5599
5600 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5601
5602         * optabs.c (no_conflict_move_test): Check if a result of a
5603         to-be-moved insn would be clobbered by an originally
5604         preceding insn.
5605
5606 2005-09-27  Jeff Law  <law@redhat.com>
5607
5608         * passes.c (init_optimization_passes): Replace copy propagation
5609         passes immediately after DOM with phi-only copy propagation
5610         pases.  Add phi-only copy propagation pass after first DOM pass.
5611         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5612         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5613         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5614         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5615         to init_copy_prop.  Callers updated.
5616         (do_phi_only_copy_prop): New function.
5617         (pass_phi_only_copy_prop): New pass descriptor.
5618
5619 2005-09-27  Nick Clifton  <nickc@redhat.com>
5620
5621         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5622
5623 2005-09-26  Jason Merrill  <jason@redhat.com>
5624
5625         PR c++/13764
5626         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5627
5628         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5629
5630 2005-09-26  James E Wilson  <wilson@specifix.com>
5631
5632         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5633         copyright.  Add gcc copyright plus libgcc exception.
5634         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5635         copyright.
5636         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5637
5638 2005-09-26  Jeff Law  <law@redhat.com>
5639
5640         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5641         about when to iterate.
5642
5643 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5644
5645         PR target/23847
5646         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5647         for __complex__ double in -mcpu=G5 mode.
5648
5649 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5650
5651         PR tree-optimization/23942
5652         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5653         * tree-scalar-evolution.c: Include params.h.
5654         (t_bool): New enum.
5655         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5656         follow_ssa_edge_in_condition_phi_branch,
5657         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5658         Change return type to t_bool.  Use a parameter to limit the size of
5659         trees that are walked before stopping
5660         (analyze_evolution_in_loop): Initialize the limit to 0.
5661         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5662         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5663
5664 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5665
5666         PR middle-end/23831
5667         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5668         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5669
5670 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5671
5672         * combine.c (make_extraction): Check for valid use of subreg.
5673
5674 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5675
5676         PR target/24055
5677         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5678         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5679         ("fist<mode>2_with_temp"): Use only register operands.
5680
5681 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5682
5683         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5684         CALL_INSN_FUNCTION_USAGE.
5685
5686 2005-09-26  Richard Guenther  <rguenther@suse.de>
5687
5688         PR middle-end/15855
5689         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5690         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5691         (ldst_entry): Use the hashtable instead of list-walking.
5692         (find_rtx_in_ldst): Likewise.
5693         (free_ldst_entry): Free the hashtable.
5694         (compute_ld_motion_mems): Create the hashtable.
5695         (trim_ld_motion_mems): Remove entry from hashtable if
5696         removing it from list.
5697         (compute_store_table): Likewise^2.
5698         (store_motion): Free hashtable in case we did not see
5699         any stores.
5700
5701 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5702
5703         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5704         and arg1 if we are passing them to fold_build2.
5705
5706 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5707
5708         PR 23828
5709         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5710         a nested function.
5711
5712 2005-09-25  Richard Henderson  <rth@redhat.com>
5713
5714         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5715         SYMBOL_REF_TLS_MODEL to be correct.
5716
5717 2005-09-24  Richard Henderson  <rth@redhat.com>
5718
5719         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5720         end of function.  Reindent.
5721
5722 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5723
5724         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5725         NEGATE_EXPR/BIT_NOT_EXPR case.
5726
5727 2005-09-24  Richard Henderson  <rth@redhat.com>
5728
5729         * c-common.c (handle_mode_attribute): When not modifying in place,
5730         create subtypes for enumerations.
5731         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5732         * gimplify.c (create_tmp_from_val): Likewise.
5733
5734 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5735
5736         * config/i386/i386.md (*tls_global_dynamic_64,
5737         *tls_local_dynamic_base_64): Add missing mode to call.
5738         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5739
5740 2005-09-24  Jan Hubicka  <jh@suse.cz>
5741
5742         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5743         (cgraph_clone_node): Likewise.
5744         * cgraph.h (cgraph_clone_edge): Update prototype.
5745         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5746         duplicated prototypes; add updating argument.
5747         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5748         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5749         updating profile.
5750         (cgraph_mark_inline_edge): Likewise.
5751         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5752         (cgraph_flatten_node): Likewise.
5753         (cgraph_decide_recursive_inlining): Likewise.
5754         (cgraph_decide_inlining_of_small_function): Likewise.
5755         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5756
5757 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5758             Pete Steinmetz <steinmtz@us.ibm.com>
5759
5760         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5761         (rldic.): Set type to "compare".
5762         (rldicr.): Same.
5763         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5764         mfjmpr for MFCTR/MFLR.
5765         (movdf_hardfloat64): Same.
5766         (movdf_softfloat64): Same.  Correct order of store and move types.
5767         (movti_string): Set type to store_ux/load_ux.
5768         (load_multiple): Set type to load_ux.
5769         (store_multiple): Set type to store_ux.
5770         (movmemsi): Set type to store_ux.
5771         (output_cbranch direct_return): Set type to jmpreg.
5772         (stmw): Set type to store_ux.
5773         (lmw): Set type to load_ux.
5774         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5775         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5776         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5777         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5778         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5779         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5780         (rios1-fpstore): Increase latency to 3.
5781         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5782         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5783
5784 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5785             Andrew Pinski  <pinskia@physics.uc.edu>
5786
5787         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5788         operand2 constraint to "b".
5789         (sync_<fetchop_name>di_internal): Same.
5790         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5791         to "b".
5792         (sync_old_<fetchop_name>di_internal): Same.
5793         (sync_new_<fetchop_name>si_internal): Same.
5794         (sync_new_<fetchop_name>di_internal): Same.
5795
5796 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5797
5798         PR middle-end/23991
5799         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5800         case, define as macros.
5801
5802         PR rtl-optimization/23837
5803         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5804         clobber / clobber match between dest and p->first.
5805
5806         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5807         (no_conflict_move_test): Update comments.
5808
5809 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5810
5811         * doc/install.texi: Update URL for Jacks.
5812         * doc/sourcebuild.texi: Likewise.
5813
5814 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5815
5816         PR target/24007
5817         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5818         registers when choosing register preferences.
5819         (movdf_hardfloat64): Same.
5820
5821 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5822
5823         * expmed.c (expand_shift): Don't use the target of the rotate as
5824         target for the first expanded shift insn.
5825         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5826
5827 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5828
5829         PR tree-optimization/22438
5830         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5831         preserved iv rhs rewriting specially.
5832
5833 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5834
5835         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5836         estimate_only  is true.
5837         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5838         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5839         tree-ssa-structalias.c
5840         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5841         ref_contains_indirect_ref.
5842         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5843
5844 2005-09-21  DJ Delorie  <dj@redhat.com>
5845
5846         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5847         MASK_PTR_A0D0.
5848         (mn10300_return_in_memory): Support variable size types also.
5849         (mn10300_pass_by_reference): Likewise.
5850         (mn10300_function_value): New.
5851         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5852         (FUNCTION_OUTGOING_VALUE): Likewise.
5853         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5854         * doc/invoke.texi: Document it.
5855
5856 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5857
5858         PR target/22585
5859         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5860         force integer op1 into register for XFmode compares.
5861
5862 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5863
5864         PR middle-end/23971
5865         * expmed.c (alg_code): Add alg_impossible.
5866         (alg_hash_entry): Add cost.
5867         (synth_mult): Record alg_impossible in the hash table if
5868         multiplication by a given integer is impossble within the
5869         limit.  Speed up using alg_impossible.
5870
5871 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5872
5873         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5874         argument.  Allow and set any offset if needs_anyoffset is passed
5875         in.
5876         (get_constraint_for): Add argument here too.
5877         Pass it down.
5878         (do_structure_copy): Pass NULL to get_constraint_for.
5879         (handle_ptr_arith): Ditto.
5880         (find_func_aliases): Ditto.
5881
5882 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5883
5884         PR rtl-optimization/23898
5885         * output.h (get_attr_min_length): Declare.
5886         * final.c (get_attr_length_1): New function, broken out of:
5887         (get_attr_length).
5888         (get_attr_min_length): New function.
5889         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5890         (duplicate_computed_gotos): Likewise.
5891         * genattr.c (insn_min_length): Generate declaration.
5892         * genattrtab.c (min_fn, min_attr_value): New functions.
5893         (make_length_attrs): Generate insn_min_length.
5894
5895 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5896
5897         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5898
5899 2005-09-20  Richard Henderson  <rth@redhat.com>
5900
5901         PR tree-optimization/24059
5902         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5903         EXPAND_STACK_PARM.
5904
5905 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5906
5907         * c.opt (fextended-identifiers): New.
5908         * c-opts.c (c_common_handle_option): Handle
5909         -fextended-identifiers.
5910         * doc/cpp.texi: Update documentation of extended identifiers.
5911         * doc/cppopts.texi (-fextended-identifiers): Document.
5912
5913 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5914
5915         PR tree-optimization/23929
5916         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5917         if expr is NULL.
5918
5919         PR tree-optimization/23818
5920         * tree-stdarg.c (execute_optimize_stdarg): Call
5921         calculate_dominance_info.
5922
5923 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5924
5925         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5926         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5927         (compute_overlap_steps_for_affine_1_2): Use
5928         get_number_of_iters_for_loop.
5929         (analyze_subscript_affine_affine): Check whether difference is
5930         zero first.
5931         Use get_number_of_iters_for_loop.
5932         Check whether overlap occurs outside of bounds.
5933         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5934
5935 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5936
5937         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5938         base register if possible.
5939
5940 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5941
5942         PR tree-optimization/18463
5943         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5944         converting it directly is not possible.
5945         (chrec_convert_aggressive): New function.
5946         * tree-chrec.h (chrec_convert_aggressive): Declare.
5947         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5948         Fold chrec conversions aggressively if asked to.
5949         (instantiate_parameters): Modified because of changes in
5950         instantiate_parameters_1.
5951
5952 2005-09-19  Richard Henderson  <rth@redhat.com>
5953
5954         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5955         (reduc_splus_v2df): New.
5956
5957 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5958
5959         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5960         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5961
5962 2005-09-19  Richard Henderson  <rth@redhat.com>
5963
5964         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5965         vcondu<SSEMODE12>.
5966
5967 2005-09-19  Richard Henderson  <rth@redhat.com>
5968
5969         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5970         (ia64_expand_dot_prod_v8qi): New.
5971         * config/ia64/ia64-protos.h: Update.
5972         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5973         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5974         sdot_prodv8qi, sdot_prodv4hi): New.
5975         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5976
5977 2005-09-19  Richard Henderson  <rth@redhat.com>
5978
5979         PR 23941
5980         * real.c (exact_real_truncate): Return false if the format cannot
5981         represent the number as a normal.
5982
5983         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5984         for a memory source.
5985
5986 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5987
5988         * tree-ssa-operands.c (swap_tree_operands): Export.
5989         * tree.h (swap_tree_operands): Declare.
5990         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5991         Call swap_tree_operands.
5992
5993 2005-09-19  Richard Henderson  <rth@redhat.com>
5994
5995         * tree-flow.h (merge_alias_info): Declare.
5996         * tree-ssa-copy.c (merge_alias_info): Export.
5997         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5998         (vect_create_data_ref_ptr): Use create_iv directly.
5999         (vectorizable_load): Use correct types for integer constants.
6000         (vect_generate_tmps_on_preheader): Likewise.
6001         (vect_gen_niters_for_prolog_loop): Likewise.
6002
6003 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6004
6005         PR rtl-optimization/23943
6006         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6007
6008 2005-09-18  Jan Hubicka  <jh@suse.cz>
6009
6010         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6011
6012 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6013
6014         * varasm.c (output_constant): Do not abort on conversions to union
6015         types between different sizes.
6016
6017 2005-09-18  Richard Guenther  <rguenther@suse.de>
6018
6019         PR middle-end/23944
6020         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6021         fallback.
6022
6023 2005-09-18  Paul Brook  <paul@codesourcery.com>
6024
6025         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6026
6027 2005-09-17  Richard Henderson  <rth@redhat.com>
6028
6029         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6030         * tree-ssa-loop.c (pass_vect_dce): Remove.
6031         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6032         of pass_vectorize.
6033
6034 2005-09-17  Richard Henderson  <rth@redhat.com>
6035
6036         * tree-pass.h (pass_vect_dce): Declare.
6037         * passes.c (init_optimization_passes): Add it.
6038         * tree-flow.h (tree_ssa_dce): Declare.
6039         * tree-ssa-dce.c (tree_ssa_dce): Export.
6040         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6041         (gate_tree_vectorize): ... here.
6042         (pass_vect_dce): New.
6043
6044 2005-09-17  Jan Hubicka  <jh@suse.cz>
6045
6046         * except.c (struct eh_status): Turn region_array into vec.
6047         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6048         convert_from_eh_region_ranges, find_exception_handler_labels,
6049         current_function_has_exception_handlers, assign_filter_values,
6050         build_post_landing_pads, dw2_build_landing_pads,
6051         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6052         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6053         foreach_reachable_handler, can_throw_internal_1,
6054         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6055         region_array.
6056         (duplicate_eh_region_1): Update region_array.
6057         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6058
6059 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6060
6061         PR middle-end/22067
6062         * expmed.c (expand_mult): Substitute simple register for op0 when
6063         computing max_cost.
6064
6065 2005-09-17  Richard Henderson  <rth@redhat.com>
6066
6067         * expr.c (emit_move_via_integer): Add force argument, pass it on
6068         to emit_move_change_mode.  Update callers.
6069         (emit_move_complex): Pass true to new force argument.
6070         * function.c (expand_function_end): Move expand_eh_return call
6071         earlier.  Merge sub-word complex values into a pseudo before
6072         copying to the return hard register.
6073
6074 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6075
6076         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6077         between different sizes.
6078
6079 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6080
6081         PR 23903
6082
6083         * passes.c (init_optimization_passes): Register dump files for
6084         IPA passes first.
6085
6086 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6087
6088         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6089         * config/s390/s390.c (s390_overlap_p): New function.
6090         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6091         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6092         condition.
6093
6094 2005-09-16  Richard Guenther  <rguenther@suse.de>
6095
6096         * ipa-pure-const.c (static_execute): Free auxiliar information.
6097         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6098         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6099
6100 2005-09-15  DJ Delorie  <dj@redhat.com>
6101
6102         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6103
6104 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6105
6106         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6107         to order operands.
6108         (swap_commutative_operands_with_target): New.
6109
6110 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6111
6112         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6113         parameter.
6114         Update callers.
6115         (estimate_iters_using_array): New function.
6116         * tree-data-ref.h (estimate_iters_using_array): Prototype
6117         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6118         Use estimate_iters_using_array instead of analyze_array.
6119
6120 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6121
6122         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6123         as addressable.
6124
6125 2005-09-15  Michael Matz  <matz@suse.de>
6126
6127         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6128
6129 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6130
6131         PR tree-optimization/23835
6132         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6133         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6134
6135 2005-09-14  Richard Henderson  <rth@redhat.com>
6136
6137         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6138         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6139
6140 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6141
6142         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6143         in the ARRAY_TYPE case.
6144
6145 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6146
6147         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6148
6149 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6150
6151         PR middle-end/22480
6152         * tree-vect-transform.c (vectorizable_operation): Return false for
6153         scalar shift operations and for vector shift operations with
6154         non-invariant shift arguments.  Use scalar tree operand op1 as
6155         a shift operand when vector shift insn pattern uses scalar shift
6156         operand.
6157         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6158
6159 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6160
6161         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6162         value if it has side-effects.
6163
6164 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6165
6166         PR target/22068
6167         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6168
6169 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6170
6171         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6172         passed as NAME as if it were label at start of function code.
6173
6174 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6175
6176         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6177         the constraints.
6178
6179 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6180
6181         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6182         as early clobber.  Rewrite so the PIC register is not implicitly used.
6183
6184 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6185
6186         * tree.c (annotate_with_file_line): Compare line numbers before
6187         file names.
6188
6189 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6190
6191         PR target/23816
6192         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6193         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6194
6195 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6196
6197         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6198         than a HOST_WIDEST_INT to gen_doloop_begin.
6199
6200 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6201
6202         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6203
6204 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6205
6206         PR tree-optimize/23817
6207         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6208
6209 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6210
6211         PR target/23774
6212         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6213         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6214         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6215         (restore_stack_nonlocal): Likewise.
6216         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6217
6218 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6219
6220         PR g++/7874
6221         * c.opt (ffriend-injection): New C++ option.
6222         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6223         (C++ Dialect Options): Document -ffriend-injection.
6224
6225 2005-09-12  Josh Conner  <jconner@apple.com>
6226
6227         PR middle-end/23237
6228         * ipa-reference.c (static_execute): Don't mark variables in
6229         named sections TREE_READONLY.
6230
6231 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6232
6233         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6234         stack_tie.
6235
6236 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6237
6238         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6239         V_MUST_DEF instead of just the first_use_p.
6240         Don't mark the virtual variables for renaming on the statement which
6241         is being removed.
6242         (pass_dse): Remove TODO_update_ssa.
6243
6244 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6245
6246         PR middle-end/23290
6247         * stor-layout.c (compute_record_mode): For records with a single
6248         field, actually check the field's mode size against the type size.
6249
6250         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6251         registers for TARGET_SHMEDIA.
6252         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6253         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6254         of GENERAL_REGS and FP_REGS.
6255
6256 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6257
6258         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6259
6260 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6261
6262         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6263         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6264         are omitted.  Exclude stack_tie insn too.
6265
6266 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6267
6268         PR rtl-optimization/23098
6269         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6270         0.0f is easy.
6271         * config/rs6000/rs6000.md (movdf splitter): Use
6272         const_double_operand predicate for TARGET_POWERPC64.
6273         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6274         SYMBOL_REF method to ABI_V4.
6275
6276         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6277         replace_equiv_address.
6278         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6279         rs6000_sr_alias_set and MEM_NOTRAP.
6280         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6281
6282 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6283
6284         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6285         handle CALL_EXPR again.
6286
6287 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6288
6289         * arm/predicates.md (alignable_memory_operand): Delete.
6290
6291 2005-09-10  Richard Henderson  <rth@redhat.com>
6292
6293         PR debug/23806
6294         * dbxout.c (dbxout_expand_expr): New.
6295         (dbxout_symbol): Use it.
6296
6297 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6298
6299         * arm.c (arm_gen_rotated_half_load): Delete.
6300         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6301         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6302         (thumb_set_return_address): Likewise.
6303         (thumb_load_double_from_address): Use adjust_address.
6304         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6305         (extendhsisi2_mem, movhi_bytes): Use change_address.
6306         (movhi): Use widen_memory_access.
6307         (reload_out_df): Use replace_equiv_address.
6308         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6309
6310 2005-09-09  Richard Henderson  <rth@redhat.com>
6311
6312         PR debug/20998
6313         * dbxout.c: Include expr.h.
6314         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6315         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6316         * Makefile.in (dbxout.o): Add EXPR_H.
6317
6318 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6319
6320         PR tree-optimization/23509
6321         * tree-cfg.c (replace_uses_by): Use replace_exp.
6322         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6323         pointers have name_mem_tag or type_mem_tag set.
6324
6325 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6326
6327         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6328         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6329         of wrongly accessing operands.
6330
6331 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6332
6333         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6334         * tree-chrec.c: Include tree-scalar-evolution.h.
6335         (chrec_convert): Instantiate the base and step before calling
6336         scev_probably_wraps_p that would fail on parametric evolutions.
6337         Collect all the fails into a single section failed_to_convert,
6338         print a diagnostic, and return chrec_dont_know instead of calling
6339         fold_convert.
6340         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6341         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6342         phi nodes.
6343         (scev_const_prop): Don't replace the definition of a loop closed ssa
6344         phi node by itself, or by another loop closed ssa phi node.
6345         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6346         that base and step are defined.
6347
6348 2005-09-09  Richard Guenther  <rguenther@suse.de>
6349
6350         PR c++/23624
6351         * fold-const.c (fold_ternary): Check truth_value_p before
6352         calling invert_truthvalue.
6353
6354 2005-09-09  Nick Clifton  <nickc@redhat.com>
6355
6356         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6357         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6358         dimension of these arrays.
6359         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6360         these arrays.
6361         * longlong.h: Only provide a prototype for the __clz_tab[] array
6362         if this header has not been included from libgcc2.h.
6363         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6364         defining own types.
6365         Provide prototypes for exported functions.
6366         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6367         libgcc2.c.
6368
6369 2005-09-08  Josh Conner  <jconner@apple.com>
6370
6371         PR c++/21135
6372         PR c++/23180
6373         * expr.c (expand_expr_addr_expr_1): Don't invoke
6374         expand_simple_binop for EXPAND_INITIALIZER.
6375
6376 2005-09-08  Richard Henderson  <rth@redhat.com>
6377
6378         PR debug/23190
6379         * toplev.c (wrapup_global_declaration_1): Split out ...
6380         (wrapup_global_declaration_2): ... from ...
6381         (wrapup_global_declarations): ... here.  Return bool.
6382         (check_global_declaration_1): Split out ...
6383         (check_global_declarations): from here.
6384         (emit_debug_global_declarations): New.
6385         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6386         check_global_declaration_1, emit_debug_global_declarations): Declare.
6387         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6388         of decls.  Call wrapup_global_declaration_1,
6389         wrapup_global_declaration_2, check_global_declaration_1 directly.
6390         (c_write_global_declarations_2): New.
6391         (ext_block): New.
6392         (c_write_global_declarations): Call c_write_global_declarations_2.
6393         * langhooks.c (write_global_declarations): Call
6394         emit_debug_global_declarations.
6395
6396         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6397         remove decls that have DECL_RTL_SET_P.
6398         * passes.c (rest_of_decl_compilation): Invoke
6399         cgraph_varpool_finalize_decl for all but functions.
6400
6401 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6402
6403         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6404         the result of a conversion if the new min and max cannot be compared.
6405
6406 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6407
6408         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6409         (override_options): Setting s390_sr_alias_set removed.
6410         (save_fpr, save_gprs): Set alias set to vararg or frame.
6411         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6412         s390_sr_alias_set with get_frame_alias_set ().
6413         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6414         get_varargs_alias_set ().
6415
6416 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6417
6418         PR objc/20574
6419         PR objc/19324
6420         * c-parser.c (c_parser_objc_method_definition): If the next
6421         token is not "{", error out and don't start the function.
6422
6423 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6424
6425         * tree-vrp.c (extract_range_from_expr): Move the check for non
6426         nullness after the check for gimple invariant.
6427
6428 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6429
6430         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6431
6432 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6433
6434         PR target/23747
6435         * config/m32r.md (movmemsi_internal): Canonicalize order of
6436         operands in PLUS component of template.
6437
6438 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6439
6440         * reload1.c (fixup_eh_region_note): Remove assertion.
6441         (fixup_abnormal_edges): Reverted removal of call to
6442         find_many_sub_basic_blocks made on 2005-08-31.
6443
6444 2005-09-07  Richard Henderson  <rth@redhat.com>
6445
6446         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6447         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6448         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6449         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6450         rearrange for better packing.
6451         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6452         (lookup_cfa_1): Remove inline marker.
6453         (cfa_equal_p): Split out of ...
6454         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6455         (build_cfa_loc): Handle !cfa->indirect.
6456         (frame_pointer_cfa_offset): New.
6457         (dbx_reg_number): Assert register elimination performed; do
6458         leaf register remapping.
6459         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6460         (eliminate_reg_to_offset): New.
6461         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6462         for verifiably local stack frame addresses; re-base to CFA.
6463         (mem_loc_descriptor): Remove can_use_fbreg argument.
6464         (concat_loc_descriptor, loc_descriptor): Likewise.
6465         (containing_function_has_frame_base): Remove.
6466         (rtl_for_decl_location): Don't do register elimination or
6467         leaf register remapping here.
6468         (secname_for_decl): Split out from ..
6469         (add_location_or_const_value_attribute): ... here.
6470         (convert_cfa_to_loc_list): New.
6471         (compute_frame_pointer_to_cfa_displacement): New.
6472         (gen_subprogram_die): Use them.
6473         * tree.h (frame_base_decl): Remove.
6474         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6475         (prologue_stack_adjust): Remove.
6476         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6477         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6478         (set_frame_base_location): Remove.
6479         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6480         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6481         (vt_add_function_parameters): Don't eliminate_regs.
6482         (vt_initialize): Don't create frame_base_decl.
6483
6484 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6485
6486         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6487         version of GNU binutils for 4.x and later.
6488
6489 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6490
6491         * ggc-page.c (ggc_push_context): Remove.
6492         (ggc_pop_context): Likewise.
6493         * ggc.h (ggc_push_context): Remove.
6494         (ggc_pop_context): Likewise.
6495
6496 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6497
6498         PR target/8973
6499         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6500         returning from an interrupt handler.
6501
6502 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6503
6504         PR target/8972
6505         * config/arc/arc.c (output_shift): Add check for loop count when
6506         optimizing.
6507
6508 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6509
6510         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6511         form manually.
6512         (abs_replacement): Likewise.
6513         (pass_phiopt): Remove TODO_update_ssa.
6514
6515 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6516
6517         PR c/23075
6518         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6519         if "return with no value, in function returning non-void" warning
6520         has been issued.
6521         * tree-cfg.c (execute_warn_function_return): Don't look at
6522         RETURN_EXPRs with TREE_NO_WARNING set.
6523
6524         PR target/22362
6525         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6526         for internal functions doesn't use registers used by global registers
6527         variables.  Use fewer register parameters if there are global register
6528         variables.
6529
6530 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6531             Eric Botcazou  <ebotcazou@adacore.com>
6532
6533         PR middle-end/14997
6534         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6535         when we would be extracting outside its bit span (bitpos+bitsize
6536         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6537         Ada unchecked conversions.
6538
6539 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6540
6541         * tree-ssa-pre.c (try_look_through_load): New function.
6542         (compute_avail): Use it to try to look through loads for some
6543         more useful expressions.
6544
6545 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6546
6547         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6548         condition for detecting cases like (a&a) and (a^a).
6549
6550 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6551
6552         * common.opt: Add option ftree-vect-loop-version.
6553         * params.def: Add --param vect-max-version-checks.
6554         * doc/invoke.texi: Document ftree-vect-loop-version and
6555         --param vect-max-version-checks.
6556         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6557         may_misalign_stmts and defines for accessors.
6558         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6559         LOOP_VINFO_MAY_MISALIGN_STMTS.
6560         (destroy_loop_vec_info): VEC_free for
6561         LOOP_VINFO_MAY_MISALIGN_STMTS.
6562         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6563         Update documentation.
6564         (vect_update_misalignment_for_peel): New.
6565         (vect_enhance_data_refs_alignment): Update to choose loop
6566         peeling or loop versioning if appropriate for the (potentially)
6567         unaligned data references in the loop.
6568         (vect_analyze_data_refs_alignment): Remove call to
6569         vect_enhance_data_refs_alignment so the checks can be done
6570         earlier.
6571         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6572         and move up call to vect_analyze_data_refs_alignment.
6573         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6574         (vect_transform_loop): Add call to loop_version.
6575
6576 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6577
6578         PR rtl-optimization/23098
6579         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6580         * simplify-rtx.c (constant_pool_reference_p): New function.
6581         * rtl.h (constant_pool_reference_p): New prototype.
6582         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6583         constant_pool_reference_p in condition and
6584         avoid_constant_pool_reference in preparation statements.
6585
6586 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6587
6588         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6589         STRICT_LOW_PART SETs.
6590
6591 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6592
6593         PR middle-end/21460
6594         * except.c (sjlj_emit_function_enter): Find the function begin
6595         note even when it's not in first basic block.
6596
6597 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6598
6599         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6600         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6601         * aclocal.m4: Regenerate.
6602
6603 2005-09-05  DJ Delorie  <dj@redhat.com>
6604
6605         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6606         of macro.
6607
6608 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6609
6610         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6611         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6612         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6613         Follow spelling conventions.
6614         * doc/invoke.texi: Follow spelling conventions.
6615
6616 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6617
6618         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6619         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6620         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6621
6622 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6623
6624         PR target/23683
6625         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6626         (output_stack_adjust): Use gen_tmp_stack_mem.
6627         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6628         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6629         (sh_get_pr_initial_val): Likewise.
6630         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6631         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6632         * sh.md (divsi_inv_m0): Use gen_const_mem.
6633         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6634         (movdf_i4+1): Use gen_tmp_stack_mem.
6635         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6636         (fpu_switch+2): Likewise.
6637         (movv4sf_i, movv16sf_i): Use adjust_address.
6638         (symGOT_load): Set MEM_NOTRAP_P bit.
6639
6640 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6641
6642         PR target/23721
6643         * pa.c (emit_move_sequence): Fix typo in last change.
6644
6645 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6646
6647         PR rtl-optimization/23454
6648         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6649         is true.
6650
6651 2005-09-03  Richard Henderson  <rth@redhat.com>
6652             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6653
6654         PR middle-end/23671
6655         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6656         gen_rtx_MEM.
6657
6658 2005-09-02  Nicolas Pitre <nico@cam.org>
6659
6660         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6661         to bit_count to 32 bits.
6662
6663 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6664
6665         PR c++/23167
6666         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6667         generating synthetic loads from volatile lvalues.
6668
6669 005-09-02  Nick Clifton  <nickc@redhat.com>
6670
6671         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6672         __ctzhi2, __clzhi2): New functions.
6673
6674 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6675
6676         PR middle-end/23547
6677         * tree-nested.c (struct var_map_elt): Mark with GTY.
6678         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6679         var_map_elt.
6680         (lookup_field_for_decl): Allocate new element in GC memory.
6681         (lookup_tramp_for_decl): Likewise.
6682         (convert_nl_goto_reference): Likewise
6683         (create_nesting_tree): Allocate info in GC memory. Likewise for
6684         info->var_map.
6685         (free_nesting_tree): Free with ggc_free instead of free.
6686         (root): New static variable.
6687         (lower_nested_functions): Remove root as local variable.  And zero out
6688         root at the end of the function.
6689
6690 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6691
6692         PR rtl-optimization/20365
6693         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6694         to short.  New member ix.
6695         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6696         (simplify_plus_minus): Initialize ix members before calling qsort.
6697
6698 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6699
6700         PR tree-optimization/23626
6701         * tree-cfg.c (replace_uses_by): Clean up eh info.
6702
6703 2005-09-01  DJ Delorie  <dj@redhat.com>
6704
6705         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6706         fprintf.
6707
6708 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6709
6710         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6711         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6712         gen_rtx_MEM.
6713
6714 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6715
6716         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6717         do not issue warning for a variable definition following
6718         a declaration.
6719
6720 2005-09-01  Richard Henderson  <rth@redhat.com>
6721
6722         PR 23668
6723         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6724         conversion to CONST_VECTOR.
6725
6726 2005-09-01  Richard Henderson  <rth@redhat.com>
6727
6728         PR 23676
6729         * reload1.c (reload_as_needed): Check !CALL_P before calling
6730         fixup_eh_region_note.
6731         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6732
6733 2005-09-01  DJ Delorie  <dj@redhat.com>
6734
6735         * varasm.c (output_constant): Let the target resolve
6736         conversions of addresses to non-default pointer sizes.
6737
6738 2005-09-01  Nicolas Pitre <nico@cam.org>
6739
6740         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6741         to alow matching ARM pre-indexed addressing mode.
6742         (arm_override_options): Remove now irrelevant comment.
6743
6744 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6745
6746         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6747         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6748         * config/i386/vxworks.h:  Likewise.
6749         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6750         * config/i386/vxworksae.h:  Likewise.
6751
6752 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6753
6754         PR tree-optimization/23410
6755         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6756         sequence is not wrapping during the first step.
6757
6758 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6759
6760         PR debug/7241
6761         * dwarf2out.c (base_type_die): Compare char_type_node with
6762         TYPE_MAIN_VARIANT (type), not type.
6763
6764 2005-09-01  Richard Guenther  <rguenther@suse.de>
6765
6766         PR tree-optimization/15366
6767         * common.opt: Add -finline-functions-called-once.
6768         Put -fearly-inlining in alphabetically ordered place.
6769         * doc/invoke.texi: Document new option.
6770         * ipa-inline.c (cgraph_decide_inlining): Honour
6771         flag_inline_functions_called_once.
6772
6773 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6774
6775         PR rtl-optimization/23478
6776         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6777         (alloc_qty): Initialize it.
6778         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6779         (combine_regs): Combine also n_throwing_calls_crossed fields.
6780         (find_free_reg): Don't attempt to caller-save pseudos crossing
6781         calls that might throw.
6782         * global.c (struct allocno): Add throwing_calls_crossed field.
6783         (global_alloc): Revert 2005-08-22 change.  Initialize
6784         throwing_calls_crossed.
6785         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6786         might throw.
6787
6788 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6789
6790         PR target/23649
6791         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6792         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6793         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6794         (and64_2_operand): Tweak to use predicate.
6795         (and_operand): Adjust for mask_operand changes.
6796         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6797         (print_operand): Likewise.
6798         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6799         (mask64_1or2_operand): Delete.
6800         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6801         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6802         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6803         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6804         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6805         (rotldi3_internal4): Likewise.
6806         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6807         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6808         (ashldi3_internal7): Likewise.
6809         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6810         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6811         (anddi3 split): Don't match mask64_operand.
6812         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6813         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6814         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6815         't' splitter predicate.
6816         (movdi_internal64 + 2): Revert 2005-06-11 change.
6817
6818 2005-08-31  DJ Delorie  <dj@redhat.com>
6819
6820         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6821         (m32c_asm_integer): Add support for 32 bit pointers.
6822
6823 2005-08-31  Richard Henderson  <rth@redhat.com>
6824
6825         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6826         component-like references for setting MEM_NOTRAP_P.
6827
6828         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6829         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6830
6831 2005-08-31  Richard Henderson  <rth@redhat.com>
6832
6833         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6834         into a pseudo before applying gen_lowpart.
6835
6836 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6837
6838         * doc/install.texi (Specific): Update cctools version required
6839         for full functionality.
6840         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6841         linkers as -macosx_version_min.
6842
6843 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6844
6845         PR target/21255
6846         * sh.c (print_operand, %R and %S): Add handling of floating point
6847         registers, memory, constants and invalid operands.
6848
6849 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6850
6851         * ipa-pure-const.c: Change dump name.
6852
6853 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6854
6855         PR target/23570
6856         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6857         to "reg_or_0_operand".
6858         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6859
6860 2005-08-31  Dale Johannesen  <dalej@apple.com>
6861
6862         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6863         loops that count down.
6864
6865 2005-08-31  Richard Henderson  <rth@redhat.com>
6866
6867         PR rtl-opt/23601
6868         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6869         (fixup_eh_region_note): New.
6870         (reload_as_needed): Call it.
6871         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6872         don't call find_many_sub_basic_blocks; call verify_flow_info.
6873         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6874         (keep_stack_depressed): Likewise.
6875         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6876
6877 2005-08-31  Richard Henderson  <rth@redhat.com>
6878
6879         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6880         fp return matching.
6881
6882 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6883
6884         * expr.c (expand_expr_real_1): Compare size of address
6885         mode to target's address mode size in deciding expansion of
6886         the constant address.
6887
6888 2005-08-31  Richard Guenther  <rguenther@suse.de>
6889
6890         PR middle-end/23477
6891         * expr.c (all_zeros_p): New function.
6892         (expand_expr_real_1): Handle the case of an all-zero
6893         non-addressable constructor separately.
6894
6895 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6896
6897         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6898         arguments, adjust all callers.
6899         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6900
6901 2005-08-30  Richard Henderson  <rth@redhat.com>
6902
6903         PR target/23630
6904         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6905         whenever the mode sizes match.
6906
6907 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6908
6909         * calls.c (load_register_parameters): Fix comment typo.
6910         * expr.c (emit_push_insn): Comment formatting.
6911
6912 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6913
6914         * config/i386/x-cygwin (host-cygwin): Change dependency from
6915         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6916
6917 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6918
6919         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6920         parts of 'vals'.
6921
6922 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6923
6924         PR middle-end/23408
6925         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6926         call to ggc_collect.
6927
6928 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6929
6930         PR bootstrap/21268
6931         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6932         beginning.  Remove $(INCLUDES) from all the rules, if following
6933         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6934
6935 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6936
6937         PR middle-end/23484
6938         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6939         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6940         not constant, but maxlen is, don't set len to maxlen, rather
6941         set maxlen to len if len is a constant.
6942
6943 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6944
6945         PR tree-optimization/23475
6946         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6947         and counts.
6948
6949 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6950
6951         Fix PR middle-end/22455
6952
6953         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6954         Checksum only the parts of the tree that exist for the tree code.
6955
6956 2005-08-28  Dale Johannesen  <dalej@apple.com>
6957
6958         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6959
6960 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6961
6962         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6963
6964 2005-08-28  Richard Henderson  <rth@redhat.com>
6965
6966         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6967         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6968         of char_type_node.
6969
6970 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6971
6972         PR ada/23593
6973         * builtins.c (get_memory_rtx): Don't strip nops
6974         in between COMPONENT_REFs.
6975
6976 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6977
6978         PR middle-end/23463
6979         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6980         types.
6981         (gimplify_modify_expr): Check for zero sized types and gimplify the
6982         rhs and lhs as statements.
6983
6984 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6985
6986         PR libgcj/23508
6987         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6988         state for return address column of signal frames.
6989
6990 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6991
6992         PR target/23539
6993         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6994         bytes >= 2 not bytes == 2.
6995         (expand_block_move): Same.
6996
6997 2005-08-27  Richard Guenther  <rguenther@suse.de>
6998
6999         PR target/23575
7000         * config/i386/sse.md (sse2_movsd): Add missing closing
7001         braces.
7002
7003 2005-08-27  Paul Brook  <paul@codesourcery.com>
7004
7005         * genrecog.c (enum decision_type): Add DT_num_insns.
7006         (struct decision_test): Add u.num_insns.
7007         (add_to_sequence): Add DT_num_insns test.
7008         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7009         (write_cond, debug_decision_2): Ditto.
7010         (change_state): Assume peep2_next_insn never fails.
7011         Remove "afterward" argument.
7012         (write afterward, write_tree): Update to match.
7013         * recog.c (peep2_current_count): New variable.
7014         (peep2_next_insn): Check it.
7015         (peephole2_optimize): Set peep2_current_count.
7016         * recog.h (peep2_current_count): Declare.
7017
7018 2005-08-26  Josh Conner  <jconner@apple.com>
7019
7020         PR middle-end/23584
7021         * ipa-pure-const.c (check_tree): Check for volatile-ness
7022         when considering a dereference.
7023
7024 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7025
7026         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7027
7028 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7029
7030         PR rtl-optimization/23561
7031         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7032         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7033         at most LEN bytes long memory fits into the field.
7034         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7035         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7036         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7037
7038 2005-08-26  Richard Henderson  <rth@redhat.com>
7039
7040         PR rtl-opt/23560
7041         * loop.c (biased_biv_may_wrap_p): New.
7042         (maybe_eliminate_biv_1): Use it to suppress non-equality
7043         comparison transformations.  Delete disabled code.
7044
7045 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7046
7047         * combine.c (make_extraction): Avoid reference outside object.
7048
7049 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7050
7051         * stor-layout.c (finalize_type_size): Restore behaviour for
7052         non-aggregate types to the status quo ante of the patch for
7053         pr 23467.  Document why it matters.
7054
7055 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7056
7057         PR c/23506
7058         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7059         array by one element, initialize the BT_LAST element with NULL.
7060
7061 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7062
7063         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7064         optimizing for size.
7065         (plus_eqsi): Same.
7066         (compare_plus_eqsi): Same.
7067         (plus_eqsi_compare): Same.
7068         (neg_eq0<mode>): Same.
7069         (neg_eq<mode>): Same.
7070
7071         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7072         PROCESSOR_POWER4.
7073
7074 2005-08-26  Nick Clifton  <nickc@redhat.com>
7075
7076         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7077         TARGET_EP is not defined.
7078         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7079         TARGET_EP is enabled.
7080         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7081         * config/v850/v850.md (save_all_interrupt): Only use the EP
7082         register if TARGET_EP is defined.
7083         (restore_all_interrupt): Likewise.
7084         * config/v850/lib1funcs.asm: Update functions so that the EP
7085         register is only used if __EP__ is defined.
7086
7087 2005-08-26  David Ung  <davidu@mips.com>
7088
7089         * config/mips/mips.c (mips_expand_prologue): Handle case when
7090         generating for MIPS16 and the outgoing argument area is more than
7091         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7092         add instruction.
7093
7094 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7095
7096         * config/crx/crx.md: Make doloop_end pattern usage controllable
7097         via mloop-nesting=<max-nesting> command line switch. Make sure
7098         the combiner cannot use doloop_end_<mode> in an illegal way.
7099         * config/crx/crx.c: Use regs up to r6 for argument passing.
7100         Refine crx_address_cost (non cst4 displacements are expensive).
7101         * config/crx/crx.opt: Add switch for mloop-nesting=.
7102
7103 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7104
7105         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7106         (UNSPEC_MVST): New constant.
7107
7108 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7109
7110         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7111         Reject operands containing eliminable registers.
7112         * testsuite/gcc.dg/20050825-1.c: New testcase.
7113
7114 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7115             Jan Hubicka  <jh@suse.cz>
7116
7117         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7118
7119 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7120
7121         PR tree-optimization/23546
7122         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7123         and REAL_CST nodes.
7124
7125 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7126
7127         * params.def (PARAM_MIN_SPEC_PROB): New.
7128         * sched-rgn.c (MIN_PROBABILITY): Delete.
7129         (compute_trg_info): Convert to PARAM_VALUE.
7130         * doc/invoke.texi (param): Document min-spec-prob.
7131
7132 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7133
7134         * config/darwin.h: define __PIC__
7135         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7136         TARGET_OS_CPP_BUILTINS macro.
7137
7138 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7139
7140         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7141         yesterday.
7142
7143 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7144
7145         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7146         to duplicate_block.
7147         * cfghooks.c (duplicate_block): Added position where to place
7148         new block as argument.
7149         * cfghooks.h (duplicate_block): Declaration changed.
7150         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7151         duplicate_block.
7152         * cfglayout.h (copy_bbs): Declaration changed.
7153         * cfgloop.h (loop_version): Declaration changed.
7154         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7155         position to copy_bbs.
7156         (loop_version): Pass position to duplicate_loop_to_header_edge.
7157         Add place_after argument and position new blocks according to
7158         it.
7159         * modulo-sched.c (sms_schedule): Pass place_after argument
7160         to loop_version.
7161         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7162         * tree-cfg.c (split_edge_bb_loc): New function.
7163         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7164         to determine position of new blocks.
7165         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7166         to loop_version.
7167         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7168         argument to duplicate_block.
7169         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7170         Pass position to copy_bbs.
7171
7172 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7173
7174         * fold-const.c (ptr_difference_const): Use
7175         cst_and_fits_in_hwi instead of host_integerp.
7176
7177 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7178
7179         * config/darwin.c (gen_pic_offset): New.
7180         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7181         Use it.
7182
7183 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7184
7185         PR tree-optimization/23486
7186         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7187
7188 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7189
7190         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7191         remove use_collect2.
7192         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7193
7194         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7195         configuration files to override the default value.
7196
7197         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7198         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7199         * config/vx-common.h:  New file, split out from...
7200         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7201         * config/vxworksae.h:  New file, for VxWorks AE.
7202         * config/vxworks.opt:  New file.
7203         * config/vxlib.c:  Update for VxWorks 6.
7204
7205         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7206         other MULTILIB_* variables appropriately.
7207         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7208         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7209         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7210         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7211
7212 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7213
7214         PR target/20799
7215         * config/darwin.c (machopic_select_section): Remove the hack to
7216         mark "::operator new" and "::operator delete" for coalescing
7217         even though they are not weak.
7218
7219 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7220
7221         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7222         * configure: Regenerate.
7223
7224 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7225
7226         PR middle-end/23517
7227         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7228         between vectors.
7229         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7230         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7231         Likewise.
7232
7233 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7234
7235         * config/rs6000/predicates.md (equality_operator): New.
7236         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7237         comparison with a large constant.
7238
7239 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7240
7241         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7242
7243 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7244
7245         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7246         registers is even, and we have a hardware double precision fp,
7247         align the buffer.
7248         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7249         size of current argument when checking if argument was passed in
7250         registers.
7251
7252         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7253
7254         PR middle-end/23467
7255         * stor-layout.c (finalize_type_size): Dont override
7256         existing alignment with a smaller alignment from the mode.
7257
7258 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7259
7260         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7261         * lambda.h (lambda_vector_lexico_pos): ... here.
7262         * tree-data-ref.c (build_classic_dist_vector): Return false when
7263         the distance vector is lexicographically negative.
7264
7265 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7266
7267         PR tree-optimization/23511
7268         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7269         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7270
7271 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7272
7273         PR tree-optimization/22043
7274         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7275         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7276         If ALLOW_FLEXARR, handle types ending with flexible array member.
7277         Pass false as second argument to recursive count_type_elements calls.
7278         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7279         argument to count_type_elements call.
7280         * tree-sra.c (decide_block_copy): Likewise.
7281         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7282         for a constant-sized object, set cleared as well.  Pass true as
7283         second argument to count_type_elements call.
7284
7285 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7286
7287         PR target/21571
7288         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7289         from legitimate_small_data_p, and make global.  Update use.
7290         Remove forward declaration.
7291         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7292         Declare.
7293         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7294
7295 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7296
7297         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7298         of scratch intermediates.
7299         (eq<mode>_compare): Same.
7300         (neg_eq0<mode>): New.
7301         (neg_eq<mode>): Convert to define_insn_and_split.
7302
7303 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7304
7305         PR target/23070
7306         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7307         stdarg functions, set/clear the fp marker even when no variable
7308         args are passed.
7309         * config/rs6000/sysv4.opt (mprototype): Describe.
7310
7311 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7312
7313         PR rtl-optimization/23478
7314         * regs.h (reg_info): Add throw_calls_crossed.
7315         (REG_N_THROWING_CALLS_CROSSED): Define.
7316         * flow.c (allocate_reg_life_data): Initialize
7317         REG_N_THROWING_CALLS_CROSSED.
7318         (propagate_one_insn, attempt_auto_inc): Update
7319         REG_N_THROWING_CALLS_CROSSED.
7320         * global.c (global_alloc): Don't allocate pseudos across
7321         calls that may throw.
7322
7323 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7324
7325         PR c/18715
7326         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7327         value is inbetween the range if we did not find an exact match.
7328
7329 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7330
7331         * doc/invoke.texi (Option Summary): Add ms1 options.
7332         * doc/extend.texi: Document interrupt handler attribute for ms1.
7333         * doc/md.texi: Document ms1 constraints.
7334         * config.gcc: Add ms1-*-elf.
7335         * config/ms1/ms1.h: New.
7336         * config/ms1/ms1.c: New.
7337         * config/ms1/ms1.md: New.
7338         * config/ms1/ms1-protos.h: New.
7339         * config/ms1/ABI.txt: New.
7340         * config/ms1/crti.asm: New.
7341         * config/ms1/crtn.asm: New.
7342         * config/ms1/lib2extra-funcs.c: New.
7343         * config/ms1/t-ms1: New.
7344         * config/ms1/ms1.opt: New.
7345
7346 2005-08-22 Ira Rosen <irar@il.ibm.com>
7347
7348         * config/rs6000/altivec.md (xorv4sf3): New.
7349         (negv4sf2, neg<mode>2): Likewise.
7350
7351 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7352
7353         PR target/23485
7354         * config/ia64/ia64.md (divsi3): Check divide by zero.
7355         (udivsi3): Likewise.
7356         (divdi3): Likewise.
7357         (udivdi3): Likewise.
7358
7359 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7360
7361         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7362         up to elem_bitsize bits, not max_bitsize.
7363
7364 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7365
7366         PR tree-optimization/23433
7367         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7368         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7369
7370 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7371
7372         PR tree-optimization/23434
7373         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7374         the iteration bound is not an INTEGER_CST.
7375
7376 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7377
7378         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7379         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7380         NULL if need_epilog_adjust is false.
7381         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7382         Case 3 always peels first itration, not just for PLUS case, and no need
7383         to use scalar_initial_def here. Create an epilog adjustment only if
7384         scalar_initial_def is not NULL.
7385
7386         (vectorizable_reduction): Remove assert.
7387
7388 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7389
7390         PR target/23485
7391         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7392         (__moddi3): Likewise.
7393         (__udivdi3): Likewise.
7394         (__umoddi3): Likewise.
7395         (__divsi3): Likewise.
7396         (__modsi3): Likewise.
7397         (__udivsi3): Likewise.
7398         (__umodsi3): Likewise.
7399
7400 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7401
7402         * tree-pass.h (TDF_GRAPH): Define.
7403         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7404         * passes.c (finish_optimization_passes): Only call
7405         finish_graph_dump_file if TDF_GRAPH is set.
7406         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7407         NULL.  Set TDF_GRAPH bit.
7408         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7409
7410 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7411
7412         * arm.h (arm_stack_offsets): Add locals_base field.
7413         * arm.c (arm_get_frame_offsets): Compute it.
7414         (thumb_compute_initial_elimination offset): Make the Thumb frame
7415         pointer point to the base of the local variables.
7416         (thumb_expand_prologue): Update accordingly.
7417         (thumb_expand_epilogue): Likewise.
7418
7419         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7420         mode of clobbered scratch to DImode.  Handle a case that's known to
7421         need this.
7422
7423 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7424
7425         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7426         (gt0<mode>_compare): Delete.
7427         (neg_gt0<mode>): Delete.
7428
7429 2005-08-19  Eric Christopher  <echristo@apple.com>
7430
7431         * optabs.h: Change CTI_ to COI_.
7432         * optabs.c: Ditto.
7433
7434 2005-08-19  James E Wilson  <wilson@specifix.com>
7435
7436         * builtins.c (expand_builtin_return_addr): Set
7437         current_function_accesses_prior_frames when count != 0.  Use
7438         frame_pointer_rtx when count == 0.
7439         * function.h (struct function): Add accesses_prior_frames field.
7440         (current_function_accesses_prior_frames): Define.
7441         * reload1.c (init_elim_table): Check
7442         current_function_accesses_prior_frames.
7443         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7444
7445 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7446
7447         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7448         indicator.  Return true if the flowgraph changed during
7449         cleanup.
7450
7451 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7452
7453         PR 23476
7454         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7455         conditional expression before testing its value.
7456
7457 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7458
7459         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7460
7461 2005-08-19  Devang Patel  <dpatel@apple.com>
7462
7463         PR tree-optimization/23048
7464         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7465         third parameter. Check whether latch is dominated by exit
7466         block or not.
7467         (if_convertible_loop_p): Supply exit block itself to
7468         if_convertible_bb_p.
7469
7470 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7471
7472         PR target/23473
7473         * arm.md (arm_load_pic_register): Change argument to the mask of
7474         saved registers.  Call thumb_find_work_register if we need a
7475         scratch register on Thumb.
7476         (arm_expand_prologue): Pass empty register set to
7477         arm_load_pic_register.
7478         (thumb_expand_prologue): Pass live_regs_mask directly to
7479         arm_load_pic_register.
7480         * arm-protos.h (arm_load_pic_register): Update prototype.
7481
7482 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7483
7484         * sh.c (find_sole_member): New function.
7485         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7486         if the record's alignment is larger than the size of its only member.
7487
7488 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7489
7490         PR target/23436
7491         * arm.c (thumb_legitimize_reload_address): New function.
7492         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7493         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7494
7495 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7496
7497         * config/crx/crx.c: Implement crx_decompose_address. Reject
7498         symbolic displacements since CRX register relative adressing
7499         mode can't handle unsigned 32-bit values as displacements.
7500         * config/crx/crx.h: Simplify definitions, remove redundant
7501         parenthesis and obsolete macros.
7502         * config/crx/crx.opt: Add new switch for debugging addresses.
7503         * config/crx/crx-protos.h: Add new declarations for above.
7504
7505 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7506
7507         PR middle-end/20624
7508         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7509         looking past it.
7510
7511 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7512
7513         * collect2.c (dup2): Delete.
7514         * configure.ac: Don't check for dup2.
7515
7516         * config.in, configure: Regenerate.
7517
7518 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7519
7520         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7521         record with the type of its only member.
7522
7523 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7524
7525         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7526         define_insn_and_split.
7527         (plus_ltu<mode>_compare): Same.
7528         (gtu<mode>_compare): Same.
7529         (plus_gtu<mode>_compare): Same.
7530
7531 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7532
7533         PR tree-optimization/22228
7534         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7535         todo_flags_start.
7536         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7537         are recorded in vect_vnames_to_rename for renaming.
7538         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7539         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7540         in vect_vnames_to_rename.
7541         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7542         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7543
7544 2005-08-18  Jan Hubicka  <jh@suse.cz>
7545
7546         PR c++/22034
7547         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7548         info only for local statics, not for member variables.
7549
7550 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7551
7552         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7553
7554 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7555
7556         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7557
7558 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7559
7560         PR middle-end/16045
7561         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7562
7563 2005-08-17  James E Wilson  <wilson@specifix.com>
7564
7565         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7566         array size check.
7567
7568 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7569
7570         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7571         (leu<mode>_compare): Same.
7572         (plus_leu<mode>): Same.
7573         (neg_leu<mode>): Same.
7574         (and_neg_leu<mode): Same.
7575         (ltu<mode>_compare): Same.
7576         (plus_ltu<mode>): Same.
7577         (geu<mode>): Same.
7578         (geu<mode>_compare): Same.
7579         (plus_geu<mode>): Same.
7580         (neg_geu<mode>): Same.
7581         (and_neg_geu<mode>): Same.
7582         (plus_gt<mode>): Same.
7583         (gtu<mode>_compare): Same.
7584         (plus_gtu<mode>): Same.
7585
7586 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7587
7588         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7589         Move call_table_data to end.  Delete spurious .text.
7590         (callt_save_all_interrupt): Fix comment typo.
7591
7592 2005-08-17  James E Wilson  <wilson@specifix.com>
7593             Kevin Winchester  <winchester@amirix.com>
7594
7595         PR target/21684
7596         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7597
7598 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7599
7600         PR target/23268
7601         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7602         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7603
7604 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7605
7606         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7607         record with the type of its only member if the modes don't match.
7608
7609         * varasm.c (decode_reg_name): Skip empty additional register names.
7610
7611 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7612
7613         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7614         lsm_tmp_name_length): New.
7615         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7616         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7617
7618 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7619             Andreas Krebbel  <krebbel1@de.ibm.com>
7620
7621         * config.gcc: Added z9-109 switch.
7622         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7623         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7624         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7625         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7626         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7627         for "z9_109" cpu attribute.
7628         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7629         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7630         (s390_handle_arch_option): Added z9-109 switch.
7631         (override_options): Set respective cost function for z9-109.
7632         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7633         (legitimate_reload_constant_p): Accept extended immediates.
7634         (print_operand): Three new output modifiers added: k, m and o.
7635         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7636         (s390_output_mi_thunk): Use extended immediate when possible.
7637         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7638         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7639         (CONSTRAINT_LEN): Added length of O constraint.
7640         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7641         * config/s390/s390.md ("cpu"): New value z9_109 added.
7642         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7643         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7644         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7645         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7646         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7647         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7648         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7649         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7650         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7651         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7652         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7653         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7654         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7655         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7656         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7657         immediates.
7658         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7659         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7660         insns for TARGET_EXTIMM.
7661
7662 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7663
7664         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7665
7666 2005-08-17  Nick Clifton  <nickc@redhat.com>
7667
7668         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7669         Call default_encode_section_info.
7670
7671 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7672
7673         PR tree-optimization/21574
7674         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7675         constant, return CONSTANT.
7676         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7677         (ccp_fold, visit_assignment): Likewise.
7678         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7679
7680 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7681
7682         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7683         fold_buildN instead of buildN then fold_initializer or fold.
7684         (build_unary_op): Likewise.
7685         (build_binary_op): Likewise.
7686         * fold-const.c (fold_initializer): Remove.
7687         (fold_build1_initializer): New function.
7688         (fold_build2_initializer): New function.
7689         (fold_build3_initializer): New function.
7690         * tree.h (fold_initializer): Remove.
7691         (fold_build1_initializer): New function.
7692         (fold_build2_initializer): New function.
7693         (fold_build3_initializer): New function.
7694
7695 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7696
7697         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7698         (try_move_mult_to_index): Call fold_build2 instead of build2.
7699         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7700         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7701         fold_binary_to_constant.
7702         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7703         fold (build.
7704         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7705         check if A == gcd (A, B).  Remove TYPE argument.
7706         (analyze_offset) Use fold_build2 instead of fold (build.
7707         (create_data_ref): Likewise.
7708         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7709         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7710         then fold.
7711
7712 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7713
7714         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7715         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7716
7717 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7718
7719         PR tree-opt/23402
7720         * gimplify.c (zero_sized_type): New function.
7721         (gimplify_modify_expr_rhs): If we have a zero sized type,
7722         replace the statement with an empty statement.
7723
7724 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7725
7726         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7727         fxsave.
7728
7729 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7730
7731         * doc/tm.texi (Label Output): Correct typo.
7732
7733 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7734
7735         PR target/23376
7736         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7737         force_operand will work later on using have_insn_for.
7738
7739 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7740
7741         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7742
7743 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7744
7745         PR c++/23337
7746         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7747         vector type, don't try to construct it element by element.  Add an
7748         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7749
7750 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7751
7752         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7753
7754 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7755
7756         * doc/invoke.texi (Precompiled Headers): Document some more options
7757         which are known to be safe.
7758
7759 2005-08-16  James E Wilson  <wilson@specifix.com>
7760
7761         PR tree-optimization/21105
7762         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7763         TREE_OVERFLOW check.
7764
7765 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7766
7767         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7768         (neg_ltu<mode>): Same.
7769         (gtu<mode>): Same.
7770         (neg_gtu<mode>): Same.
7771
7772 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7773
7774         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7775         (fold_builtin_isdigit): Use fold_buildN.
7776         (build_function_call_expr): Likewise.
7777         * c-typeck.c (c_finish_loop): Likewise.
7778
7779 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7780             Richard Shann <rshann@superh.com>
7781
7782         PR middle-end/20396:
7783         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7784
7785 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7786
7787         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7788
7789 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7790
7791         PR target/23355
7792         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7793         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7794         must be saved.
7795
7796 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7797
7798         PR middle-end/23369
7799         * fold-const.c (build_range_check): Disable optimization for function
7800         pointer expressions on targets that require function pointer
7801         canonicalization.
7802
7803 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7804
7805         * simplify-rtx.c (simplify_const_relational_operation): When
7806         extracting arguments of a COMPARE, recompute the mode as well.
7807
7808 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7809
7810         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7811
7812 2005-08-15  DJ Delorie  <dj@redhat.com>
7813
7814         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7815         the stack.
7816         (movsi_splittable): Allow, but split, moves to the stack.
7817         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7818         stack.
7819
7820 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7821
7822         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7823         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7824         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7825
7826         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7827         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7828         Delete HOST_PTR_PRINTF.
7829
7830         * configure, config.in: Regenerate.
7831
7832 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7833
7834         * config/rs6000/rs6000.md (QHSI): New mode macro.
7835         (wd): Extend mode attr for QImode and HImode
7836         (dbits): New mode attr.
7837         (zero_extend<mode>di2): Convert to mode macro.
7838
7839 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7840
7841         PR target/21841
7842         * doc/invoke.texi (-mgnu-ld): Update description.
7843         (-mhp-ld): Ditto.
7844
7845 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7846
7847         PR 23391
7848         * Makefile.in (tree-chrec.o): Depends on real.h.
7849         * tree-chrec.c: Include real.h.
7850         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7851         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7852         * tree-scalar-evolution.c (add_to_evolution_1,
7853         interpret_rhs_modify_expr): Ditto.
7854
7855 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7856
7857         PR 23386
7858         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7859         step is negative compute the estimation from init downwards to zero.
7860
7861 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7862
7863         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7864
7865 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7866
7867         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7868         constraint.
7869         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7870         Accept double-word constants that can be split.
7871         * config/s390/s390.md ("movti"): Use 'P' constraint.
7872         ("*movdi_31", "*movdf_31"): Likewise.
7873
7874 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7875
7876         Fix PR tree-optimization/22615
7877
7878         * tree-ssa-structalias.c (solution_set_add): Handle
7879         first_vi_for_offset returning NULL.
7880         (do_da_constraint): Ditto.
7881         (do_sd_constraint): Ditto.
7882         (do_ds_constraint): Ditto
7883         (find_func_aliases): Ditto.
7884         (build_constraint_graph): RHS is allowed be ANYTHING.
7885         (first_vi_for_offset): Return NULL if we couldn't find anything at
7886         the offset.
7887
7888 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7889
7890         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7891         over memory as first operand.
7892
7893 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7894
7895         PR target/23360
7896         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7897         available for setting it.
7898
7899 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7900
7901         PR tree-optimization/23320
7902         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7903         data-refs' types instead of base object nullness. Add check for
7904         pointer type data-refs before first location comparison. Remove
7905         assert.
7906
7907 2005-08-14  Andreas Schwab  <schwab@suse.de>
7908
7909         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7910
7911 2005-08-13  James E Wilson  <wilson@specifix.com>
7912
7913         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7914         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7915         -fstack-protector-all, --param ssp-buffer-size): Document.
7916         (-Wvariadic-macros): Alphabetize.
7917         (-fsched-stalled-insns-dep): Add missing 'f'.
7918
7919         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7920         macros.
7921
7922 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7923
7924         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7925         or indirect address operand.
7926         (EXTRA_ADDRESS_CONSTRAINT): New.
7927         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7928
7929 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7930
7931         PR tree-optimization/22236
7932         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7933         successors and predecessors.
7934         * tree-chrec.c (chrec_convert): Before converting, check that
7935         sequences don't wrap.
7936         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7937         (analyze_array): Extern.
7938         (find_data_references_in_loop): Remove call to
7939         compute_estimated_nb_iterations.
7940         * tree-data-ref.h (analyze_array): Declared.
7941         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7942         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7943         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7944         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7945         condition.
7946         * tree-ssa-loop-ivcanon.c: Fix documentation.
7947         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7948         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7949         (infer_loop_bounds_from_undefined): New.
7950         (estimate_numbers_of_iterations_loop): Use
7951         infer_loop_bounds_from_undefined.
7952         (used_in_pointer_arithmetic_p): New.
7953         (scev_probably_wraps_p): Pass an extra parameter.  Call
7954         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7955         (convert_step): Fix documentation.
7956         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7957         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7958         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7959         scev_probably_wraps_p.
7960
7961 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7962
7963         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7964         (s390_register_info): Ignore clobbered_regs information for fixed
7965         registers, and only fixed registers.
7966         (s390_init_frame_layout): Remove redundant call.
7967
7968 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7969
7970         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7971         description of -Wold-style-casts.
7972
7973 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7974             Jakub Jelinek  <jakub@redhat.com>
7975
7976         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7977         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7978         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7979         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7980         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7981         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7982         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7983         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7984         ("stack_protect_set", "stack_protect_test"): New expanders.
7985         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7986         "stack_protect_testdi"): New insn definitions.
7987
7988 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7989
7990         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7991
7992 2005-08-12  Paul Brook  <paul@codesourcery.com>
7993
7994         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7995
7996 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7997
7998         * config/s390/predicates.md (setmem_operand): New predicate.
7999         (shift_count_operand): Accept ANDs with special constants as
8000         operand.
8001         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8002         with special constants.
8003         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8004         shift_count_operand with setmem_operand.
8005
8006 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8007
8008         * config/s390/s390.c (s390_extract_part, s390_single_part):
8009         Type cast added.
8010         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8011         (s390_output_mi_thunk): Don't use lg on 31 bit.
8012         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8013         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8014
8015 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8016
8017         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8018         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8019         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8020         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8021         with one of the new macros.
8022
8023 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8024
8025         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8026         Don't set save_return_addr_p.
8027         (s390_register_info): Make clobbered_regs not depending on
8028         save_return_addr_p.
8029
8030 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8031
8032         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8033         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8034
8035 2005-08-11  James E. Wilson  <wilson@specifix.com>
8036
8037         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8038
8039 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8040
8041         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8042         locations gathered by var-tracking in single entry loc_list
8043         over loc_descriptor_from_tree.
8044
8045         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8046         pass it down to loc_descriptor.
8047         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8048         (containing_function_has_frame_base): Move earlier in the file.
8049         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8050         instead of always assuming fbreg can't be used.
8051
8052 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8053
8054         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8055         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8056         Accept address wrapped in AND for Altivec.
8057         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8058         Strip AND wrapping offset address for Altivec.
8059
8060 2005-08-11  Richard Henderson  <rth@redhat.com>
8061
8062         PR middle-end/23312
8063         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8064         before using TYPE_IS_SIZETYPE.
8065
8066 2005-08-11  Richard Henderson  <rth@redhat.com>
8067
8068         PR target/22225
8069         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8070         insn types not present on ev4.
8071         (alphaev5_insn_pipe): Similarly.
8072
8073 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8074
8075         PR target/23250
8076         * arm.c (arm_override_options): If the user has selected callee-super-
8077         interworking, then enable normal interworking.
8078
8079 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8080
8081         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8082         redefinition.
8083
8084 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8085
8086         * doc/rtl.texi: Fix two typos.
8087
8088 2005-08-11  Richard Guenther  <rguenther@suse.de>
8089
8090         PR target/23289
8091         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8092         cases where we call to/from functions returning void.
8093
8094 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8095
8096         PR c++/23225
8097         * tree.c (build_pointer_type_for_mode): Robustify.
8098
8099 2005-08-10  James E Wilson  <wilson@specifix.com>
8100
8101         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8102         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8103
8104         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8105         "cum->".
8106
8107 2005-08-10  Eric Christopher  <echristo@apple.com>
8108
8109         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8110         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8111         V2DFmode.
8112
8113 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8114
8115         PR target/21887
8116         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8117         for the high part when generating dynamic-no-pic code.
8118
8119 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8120
8121         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8122         (x86_64-*-linux*): Likewise.
8123
8124         * config/i386/crtfastmath.c: New file.
8125         * config/i386/t-crtfm: Likewise.
8126
8127         * config/i386/linux.h (ENDFILE_SPEC): New.
8128         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8129
8130         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8131         crtfastmath.o.
8132
8133 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8134
8135         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8136         (vec_shl, vec_shr): Document new operations.
8137         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8138
8139 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8140
8141         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8142         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8143         change predicate to indexed_or_indirect_address.
8144
8145 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8146
8147         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8148         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8149         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8150         and __aeabi_uwrite8.
8151         * config/arm/unaligned-funcs.c: New file.
8152         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8153
8154 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8155
8156         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8157         Add dump.
8158         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8159         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8160         Add dump.
8161         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8162         * final.c (pass_shorten_branches): Add dump.
8163         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8164         (pass_life): Rename dump.
8165         (rest_of_handle_flow2): Remove initial verify_flow_info.
8166         * function.c (pass_instantiate_virtual_regs): Add dump.
8167         * integrate.c (pass_initial_value_sets): Add dump.
8168         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8169         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8170         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8171         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8172         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8173         gate_rtl_unrool_and_peel_loops): New.
8174         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8175         rtl_doloop): Do not look at flags.
8176         * mode-switching.c (pass_mode_switching): Add dump.
8177         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8178         pass_split_before_regstack): Add dump.
8179         * regmove.c (pass_stack_adjustments): Add dump.
8180         * tree-optimize.c (pass_fixup_cfg): Add dump.
8181
8182 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8183
8184         PR 23309
8185         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8186         deciding which instruction sequence to use.
8187
8188 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8189
8190         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8191         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8192
8193 2005-08-09  Richard Guenther  <rguenther@suse.de>
8194
8195         * c-common.c (builtin_function_2): Remove.
8196         (def_builtin_1): New function.
8197         (c_common_nodes_and_builtins): Use def_builtin_1 to
8198         build builtin functions.
8199
8200 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8201
8202         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8203         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8204         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8205         Visual DSP.
8206
8207 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8208
8209         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8210         fold_binary instead of fold_build2 since we don't care about the
8211         resulting tree.
8212         (loop_niter_by_eval): Likewise.
8213         (compare_trees): Likewise.
8214         (proved_non_wrapping_p): Likewise.
8215
8216 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8217
8218         PR c/23161
8219         PR c/23165
8220         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8221         if the if is really empty.
8222
8223 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8224
8225         PR tree-optimization/23234
8226         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8227         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8228         argument of the new enum.
8229         (execute_cse_reciprocals): Add reciprocals for function arguments
8230         on the unique successor edge of the entry block.  Update other calls
8231         to execute_cse_reciprocals_1.
8232
8233 2005-08-08  Richard Henderson  <rth@redhat.com>
8234
8235         PR 22439
8236         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8237
8238 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8239
8240         * expr.c (write_complex_part): Return after handling MEM.
8241
8242 2005-08-08  Josh Conner  <jconner@apple.com>
8243
8244         PR rtl-optimization/23241
8245         * combine.c (simplify_comparison): Fix error in determining
8246         whether to lift a subreg from comparison.
8247
8248 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8249
8250         PR target/18506
8251         * config/rs6000/altivec.md (vec_init<mode>): New.
8252         (vec_set<mode>): New.
8253         (vec_extract<mode>): New.
8254         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8255         (rs6000_expand_vector_set): New.
8256         (rs6000_expand_vector_extract): New.
8257         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8258         for Altivec modes before reload.
8259         (altivec_expand_vec_init_builtin): New.
8260         (get_element_number): New.
8261         (altivec_expand_vec_set_builtin): New.
8262         (altivec_expand_vec_ext_builtin): New.
8263         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8264         builtins.
8265         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8266         builtins.
8267         * config/rs6000/rs6000.h (rs6000_builtins): Add
8268         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8269         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8270         * config/rs6000/rs6000-protos.h: Declare new functions.
8271
8272 2005-08-08  Jan Hubicka  <jh@suse.cz>
8273
8274         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8275         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8276         * i386.md (movdi*): Use pic_32bit_operand.
8277         * predicates.md (pic_32bit_operand): New.
8278
8279 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8280
8281         PR c++/21166
8282         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8283
8284 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8285
8286         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8287         (test_for_singularity): Use fold_build2.
8288
8289 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8290
8291         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8292
8293 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8294
8295         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8296         (COMMON_ASM_OP) Define.
8297         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8298         (ix86_encode_section_info): Likewise.
8299         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8300         SUBTARGET_ENCODE_SECTION_INFO.
8301
8302 2005-08-06  Richard Henderson  <rth@redhat.com>
8303
8304         PR 21894
8305         * tree-nested.c (convert_local_reference): Save and restore val_only
8306         around component_ref and friends.  Clear walk_subtrees by default.
8307
8308 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8309
8310         PR 21366
8311         * gcc.c (process_command): Check the argument to -b has a dash.
8312         * doc/invoke.texi: Update -b and -V docs.
8313
8314 2005-08-06  James E Wilson  <wilson@specifix.com>
8315
8316         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8317
8318 2005-08-06  Michael Matz  <matz@suse.de>
8319
8320         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8321         member only if only one insn is associated with the value.
8322
8323 2005-08-06  Nick Clifton  <nickc@redhat.com>
8324
8325         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8326         New define.
8327         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8328         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8329         Check symbol flags instead of symbol name mangling.
8330         (xstormy16_asm_output_aligned_common): Likewise.  Also
8331         simplify code since the bss100_section cass is the only case
8332         where the below100 code will be triggered.
8333         (xstormy16_encode_section_info): Encode below100 attribute
8334         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8335         the name.
8336         (xstormy16_strip_name_encoding): Delete - this function is no
8337         longer needed.
8338         (TARGET_STRIP_NAME_ENCODING): Undefine.
8339         * config/stormy16/stormy16-protos.h: Delete prototype for
8340         xstormy16_strip_name_encoding.
8341
8342 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8343
8344         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8345         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8346         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8347         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8348         config/alpha/predicates.md, config/arc/arc.h,
8349         config/arm/arm.h, config/arm/ieee754-df.S,
8350         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8351         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8352         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8353         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8354         config/m68hc11/m68hc11.h, config/mips/mips.c,
8355         config/mips/mips.h, config/mips/openbsd.h,
8356         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8357         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8358         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8359         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8360         config/sparc/linux.h, config/sparc/linux64.h,
8361         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8362         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8363         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8364         typos.  Follow spelling conventions.
8365
8366 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8367
8368         PR c/23113
8369         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8370         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8371         specially.  Check for side effects only for COND_EXPR.
8372         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8373         return with TREE_NO_WARNING.
8374
8375 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8376
8377         PR rtl-optimization/23233
8378         * loop.c (combine_movables): Require the modes to be the same.
8379         (move_movables): Remove handling of cases where the replacement
8380         had a different mode to the original.
8381
8382 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8383
8384         PR tree-optimization/23128
8385         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8386         subtraction wrap, and set TREE_OVERFLOW if they do.
8387
8388 2005-08-05  Richard Henderson  <rth@redhat.com>
8389
8390         PR 21728
8391         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8392         FORCED_LABEL labels.
8393
8394 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8395
8396         PR middle-end/23135
8397         * reload.c (find_reloads_subreg_address): Pass down TYPE
8398         unchanged.  Change all callers except find_reloads_toplev.
8399
8400 2005-08-05  Michael Matz  <matz@suse.de>
8401
8402         * genattrtab.c (current_alternative_string): Remove.
8403         (SIMPLIFY_ALTERNATIVE): Ditto.
8404         (attr_alt_bit_p): Ditto.
8405         (alternative_name): Make const char *.
8406         (evaluate_eq_attr): Remove use of above things.
8407         (simplify_test_exp): Ditto.
8408         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8409         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8410
8411 2005-08-04  James E Wilson  <wilson@specifix.com>
8412
8413         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8414         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8415         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8416         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8417         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8418
8419 2005-08-04  Richard Henderson  <rth@redhat.com>
8420
8421         PR 21529
8422         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8423         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8424         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8425         if we'd have to instantiate too many members.
8426
8427 2005-08-04  Richard Henderson  <rth@redhat.com>
8428
8429         PR 21291
8430         * tree-outof-ssa.c (coalesce_asm_operands): New.
8431         (coalesce_ssa_name): Use it.  Split out ...
8432         (coalesce_phi_operands, coalesce_result_decls): ... these.
8433
8434 2005-08-04  Paul Brook  <paul@codesourcery.com>
8435
8436         * read-rtl.c (read_quoted_string): Break if EOF.
8437
8438 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8439
8440         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8441         (fold_build2): Likewise.
8442         (fold_build3): Likewise.
8443         (fold_build1_stat): New function prototype.
8444         (fold_build2_stat): Likewise.
8445         (fold_build3_stat): Likewise.
8446         * fold-const.c (fold_build1): Rename to ..
8447         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8448         through to build1_stat.
8449         (fold_build2): Rename to ..
8450         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8451         through to build2_stat.
8452         (fold_build3): Rename to ..
8453         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8454         through to build3_stat.
8455
8456 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8457             Ian Lance Taylor  <ian@airs.com>
8458
8459         * function.c (assign_stack_local_1): Do not correct stack slot
8460         address if allocation size is smaller than mode size.
8461
8462 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8463
8464         PR 22037
8465         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8466         (tree_merge_blocks): Propagate anything allowed by
8467         may_propagate_copy.
8468         Clarify documentation.
8469         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8470         SSA form, schedule an update if necessary.
8471
8472 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8473
8474         * doc/install.texi (Binaries): Remove broken link to
8475         Sinix/Reliant Unix binaries.
8476
8477 2005-08-03  Richard Henderson  <rth@redhat.com>
8478
8479         PR 23221
8480         * function.c (stack_protect_epilogue): Export.
8481         * tree.h (stack_protect_epilogue): Declare.
8482         * calls.c (expand_call): Call it.
8483
8484 2005-08-03  Eric Christopher  <echristo@apple.com>
8485
8486         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8487         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8488         spec.
8489
8490 2005-08-04  Jan Hubicka  <jh@suse.cz>
8491
8492         * profile.c (branch_prob): Split edges with goto locus on them
8493         to get proper line counts.
8494         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8495
8496 2005-08-03  Paul Brook  <paul@codesourcery.com>
8497
8498         * function.c (assign_parms): Round current_function_args_size
8499         to PARM_BOUNDARY, not STACK_BOUNDARY.
8500
8501 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8502
8503         * config/i386/i386.c (x86_elf_aligned_common)
8504         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8505
8506 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8507
8508         PR tree-optimization/23157
8509         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8510         before emitting them.
8511
8512 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8513
8514         PR tree-optimization/19899
8515         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8516         * tree-scalar-evolution.c: Include real.h.
8517         (add_to_evolution): Build constant -1 of correct type.
8518
8519 2005-08-03  Jan Hubicka  <jh@suse.cz>
8520
8521         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8522         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8523         profile updating for complette unrolling.
8524         * loop-unroll.c (peel_loop_completely): Use it.
8525         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8526         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8527         loops.
8528
8529 2005-08-03  Paul Brook  <paul@codesourcery.com>
8530
8531         * combine.c (can_change_dest_mode): New function.
8532         (try_combine, simplify_set): Use it.
8533
8534 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8535
8536         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8537         TFmode to BLKmode.
8538
8539 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8540
8541         * doc/install.texi (Specific): Adjust link to openavr.org.
8542         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8543         (Binaries): Adjust HP-UX Porting Center link.
8544         (Binaries): Adjust Free Software Foundation ordering link.
8545
8546 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8547
8548         * convert.c (convert_to_integer): Use fold_build1 instead of
8549         build1 when converting an integer to an integer.
8550
8551 2005-08-02  Richard Henderson  <rth@redhat.com>
8552
8553         * combine.c (combine_instructions): Don't use reg_equal/equiv
8554         results if the mode doesn't match.
8555
8556 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8557
8558         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8559         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8560
8561 2005-08-02  Richard Henderson  <rth@redhat.com>
8562
8563         PR 23196
8564         * explow.c (memory_address): Remove special-case for
8565         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8566
8567 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8568
8569         PR 23164
8570         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8571         number of calls to cleanup_tree_cfg_1.
8572
8573 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8574
8575         * doc/invoke.texi: document file extensions .F90 and .F95
8576
8577 2005-08-02  Richard Guenther  <rguenther@suse.de>
8578
8579         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8580         positive if its first argument is positive.
8581
8582 2005-08-02  Richard Guenther  <rguenther@suse.de>
8583
8584         PR tree-optimization/23177
8585         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8586         on TMR_TAG.
8587
8588 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8589
8590         PR tree-optimization/23129
8591         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8592         varying for divisions with anti-ranges.
8593
8594 2005-08-02  Jan Hubicka  <jh@suse.cz>
8595
8596         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8597         * tree-ssa-threadupdate.c (thread_block): Add it here.
8598
8599 2005-08-01  James E Wilson  <wilson@specifix.com>
8600
8601         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8602         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8603         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8604         New.
8605         * config/mips/predicates.md (const_call_insn_operand): Add check for
8606         SYMBOL_REF_LONG_CALL_P.
8607         * doc/extend.texi (long_call): Document the new attribute.
8608
8609 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8610             Richard Henderson  <rth@redhat.com>
8611
8612         * Makefile.in (RTL_BASE_H): Add real.h.
8613         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8614         instead of memcpy.
8615         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8616         directly.
8617         * rtl.c (rtl_check_failed_code_mode): New.
8618         * rtl.h (struct rtx_def): Add u.rv.
8619         (XCMWINT, XCNMPRV): New.
8620         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8621         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8622
8623 2005-08-01  Richard Henderson  <rth@redhat.com>
8624
8625         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8626         with auto-inc codes.
8627
8628         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8629
8630 2005-08-01  Jan Hubicka  <jh@suse.cz>
8631
8632         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8633         * i386.c: Include dwarf2.h
8634         (asm_preferred_eh_data_format): New.
8635         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8636
8637 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8638
8639         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8640         randomize_va_space for virtual address randomization control.
8641
8642 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8643
8644         * common.opt (flag_ipa_cp): Put in right place to maintain
8645         alphabetic sort.
8646
8647 2005-08-01  Jan Hubicka  <jh@suse.cz>
8648
8649         * profile.c (compute_value_histograms): Fix thinko.
8650         * value-prof.c: Include toplev.h
8651         (check_counter): New function.
8652         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8653         tree_mod_subtract_transform): Add sanity check.
8654
8655 2005-08-01  Richard Guenther  <rguenther@suse.de>
8656
8657         PR tree-optimization/23133
8658         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8659         current functions parameter decls to find defs to cse
8660         reciprocals of.
8661
8662 2005-08-01  Richard Guenther  <rguenther@suse.de>
8663
8664         PR tree-optimization/23109
8665         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8666         If trapping math is in effect, use post-dominator information
8667         to check if we'd in any case reach a trapping point before
8668         doing the reciprocal insertion.
8669         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8670         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8671         expressions are invariant only if trapping math is not in effect.
8672
8673 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8674
8675         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8676         cgraph_function_versioning): New declarations.
8677         * cgraphunit.c: Add include to ipa-prop.h.
8678         (update_call_expr, cgraph_copy_node_for_versioning,
8679         cgraph_function_versioning): New functions.
8680         * integrate.c (copy_decl_for_inlining): Remove.
8681         * ipa-prop.h (ipa_replace_map): New struct.
8682         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8683         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8684         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8685         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8686         ipcp_iterate_stage, ipcp_method_scale_print,
8687         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8688         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8689         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8690         ipcp_update_bb_counts, ipcp_update_profiling,
8691         ipcp_update_edges_counts): New functions.
8692         (ipcp_method_cval_init): Remove restriction regarding local methods.
8693         (ipcp_init_stage): Add ipcp_method_compute_scale.
8694         (ipcp_insert_stage): Add versioning.
8695         (ipcp_structures_print): Add ipcp_method_scale_print.
8696         (ipcp_driver): Dump profiling info.
8697         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8698         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8699         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8700         (struct inline_data): Add versioning_p, ipa_info, new fields.
8701         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8702         declare_return_variable): Replace calls to copy_decl_for_inlining with
8703         copy_decl_for_dup.
8704         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8705         versioning support.
8706         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8707         Add argument VERSIONING.
8708         (copy_arguments_for_versioning, copy_static_chain,
8709         function_versionable_p, tree_versionable_function_p,
8710         tree_function_versioning, replace_ref_tree): New functions.
8711         * tree-inline.h: Include varray.h.
8712         (tree_versionable_function_p,  tree_function_versioning,
8713         tree copy_decl_for_dup): New declarations.
8714
8715 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8716
8717         * ipa-cp.c: New file. Contains IPCP specific functionality.
8718         * ipa-prop.h: New file. Contains structures/definitions that can be
8719         used by several interprocedural data flow optimizations (and also IPCP).
8720         * ipa-prop.c: New file.
8721         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8722         * common.opt: Add ipa-cp flag.
8723         * timevar.def: Add IPCP optimization.
8724         * tree-optimize.c (init_tree_optimization_passes): Schedule
8725         pass_ipa_cp.
8726         * tree-pass.h (pass_ipa_cp): Declare.
8727
8728 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8729
8730         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8731         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8732         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8733         config/i386/i386.c, config/mips/mips.h,
8734         config/rs6000/rs6000.h, config/sh/sh.c,
8735         config/stormy16/stormy16.c: Fix comment typos.
8736
8737 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8738
8739         PR c/22311
8740         * c-typeck.c (build_binary_op): Use common_type wrapper on
8741         shortened types.
8742         (common_type): Update comment.
8743
8744 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8745
8746         PR target/23095
8747         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8748         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8749         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8750
8751 2005-07-31  Jan Hubicka  <jh@suse.cz>
8752
8753         * pretty-print.h (pp_widest_integer): New macro.
8754         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8755         counts.
8756
8757 2005-07-31  Jan Hubicka  <jh@suse.cz>
8758
8759         * output.h (enum section_category): Export from varasm.c
8760         (categorize_decl_for_section): Likewise.
8761         * varasm.c (enum section_category): Kill.
8762         (categorize_decl_for_section): Make global.
8763         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8764         Declare.
8765         * i386.c (ix86_section_threshold): New static variable.
8766         (ix86_in_large_data_p, ix86_encode_section_info,
8767         x86_64_elf_unique_section,
8768         x86_64_elf_select_section): New functions.
8769         (TARGET_ENCODE_SECTION_INFO): Define
8770         (override_options): Enable medium model for PIC.
8771         (ix86_expand_prologue): Expand gen_set_got_rex64.
8772         (legitimate_constant_p): Handle new UNSPECs.
8773         (legitimate_pic_address_disp_p): Likewise.
8774         (legitimize_pic_address): Lower MEDIUM model addressing.
8775         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8776         (enum cmodel): Add MEDIUM_PIC.
8777         (SYMBOL_REF_FAR_ADDR_P): New macro.
8778         (SYMBOL_FLAG_FAR_ADDR): New flag.
8779         * i386.md (movdi): Support medium model.
8780         (set_got_rex64): New pattern.
8781         * i386.opt (mlarge-data-threshold): New flag.
8782         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8783         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8784         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8785         TARGET_ASM_UNIQUE_SECTION): New.
8786
8787         * invoke.texi (-mlarge_data_threshold): Document
8788
8789 2005-07-31  Jan Hubicka  <jh@suse.cz>
8790
8791         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8792         (coalesce_vars): Likewise.
8793         * tree-ssa-live.c (coalesce_cost): New.
8794         (build_tree_conflict_graph): Use coalesce_cost.
8795         * tree-ssa-live.h (coalesce_cost): Declare.
8796
8797 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8798
8799         * arm.md (all peepholes for post-increment operations): Delete.
8800         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8801         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8802         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8803         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8804         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8805
8806 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8807
8808         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8809         non-integral types.
8810
8811 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8812
8813         PR target/22582
8814         * doc/invoke.texi: Document -rdynamic.
8815
8816 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8817
8818         PR c/23143
8819         * c-parser.c (c_parser_parms_list_declarator): Call
8820         mark_forward_parm_decls.
8821         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8822         decls with visibility structure.
8823
8824 2005-07-30  Paul Brook  <paul@codesourcery.com>
8825
8826         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8827
8828 2005-07-30  Paul Brook  <paul@codesourcery.com>
8829
8830         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8831         prototype.
8832         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8833         value for mode.
8834         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8835
8836 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8837
8838         PR c/529
8839         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8840         nested function declarators.
8841         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8842         (grokparms): Call warn_if_shadowing for parameters used within the
8843         parameter list.
8844         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8845         not used within the parameter list.
8846         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8847
8848 2005-07-30  Jan Hubicka  <jh@suse.cz>
8849
8850         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8851         * i386.c (ix86_fixup_binary_operands): Likewise.
8852         (ix86_expand_unary_operator): Likewise.
8853         (ix86_expand_fp_absneg_operator): Likewise.
8854         * optabs.c (expand_vec_cond_expr): Validate dest.
8855
8856 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8857
8858         PR c/21720
8859         * real.c (real_from_string): Also set last bit if there is a
8860         nonzero hex digit beyond GCC's internal precision after ".".
8861
8862 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8863
8864         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8865         define_constants.  Change duplicate values to unassigned numbers.
8866         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8867         (*altivec_vspltsf): New.
8868         (altivec_vperm_v4sf): Delete.
8869         (altivec_vperm_<mode>): Use mode macro V.
8870         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8871         (altivec_predicate_v4sf): Delete.
8872         (altivec_predicate_<mode>): Use mode macro V.
8873         (*altivec_lvesfx): New.
8874         (*altivec_stvesfx): New.
8875         (vec_realign_load_v4sf): Delete.
8876         (vec_realign_load_<mode>): Use mode macro V.
8877         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8878         UNSPECV_SET_VRSAVE.
8879
8880 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8881
8882         PR bootstrap/23131
8883         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8884         string.
8885         * configure: Regenerated.
8886
8887 2005-07-29  Paul Brook  <paul@codesourcery.com>
8888
8889         * doc/install.texi: Add link to GFortran binaries wiki page.
8890
8891 2005-07-29  David Ung  <davidu@mips.com>
8892
8893         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8894         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8895         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8896         * config/mips/mips.md (cpu): Add 5kf name.
8897         (includes): Includes 5k.md.
8898         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8899         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8900         -march flag.
8901
8902 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8903
8904         PR 22550
8905         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8906         (cleanup_tree_cfg): ... here.
8907         Call cleanup_tree_cfg_1 until there are no more cleanups to
8908         do.
8909
8910 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8911
8912         * tree-vrp.c (compare_range_with_value): Return true or false
8913         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8914         EQ_EXPR respectively.
8915
8916 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8917
8918         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8919         Fix comment typos.
8920
8921 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8922
8923         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8924         (tree_ssa_dominator_optimize): Increment it.
8925         (dump_dominator_optimization_stats): Print it.
8926
8927 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8928             Steven Bosscher  <stevenb@suse.de>
8929
8930         PR rtl-optimization/23117
8931         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8932         when head == tail.  Tidy comment.
8933
8934 2005-07-28  Richard Henderson  <rth@redhat.com>
8935
8936         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8937         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8938         * jump.c (rtx_renumbered_equal_p): Likewise.
8939         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8940         CONST_INT and CONST_DOUBLE.
8941         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8942         * reload.c (operands_match_p): Special case CONST_INT and
8943         CONST_DOUBLE; check mode earlier.
8944
8945 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8946
8947         PR c/22240
8948         * c-typeck.c (convert_for_assignment): Do not check
8949         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8950
8951 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8952
8953         PR c/22192
8954         * c-typeck.c (composite_type): Prefer constant size arrays to
8955         VLAs.
8956
8957 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8958
8959         PR c/21720
8960         * real.c (real_from_string): Set last bit if there is a nonzero
8961         hex digit beyond GCC's internal precision.
8962
8963 2005-07-28  Richard Henderson  <rth@redhat.com>
8964
8965         PR rtl-opt/22619
8966         * cfgcleanup.c (try_forward_edges): Watch out for end of
8967         insn chain.
8968
8969 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8970
8971         PR c/23106
8972         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8973
8974 2005-07-28  Jan Hubicka  <jh@suse.cz>
8975
8976         * Makefile.in (rtl-profile.o): Kill all traces of it.
8977         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8978         * coverage.h (rtl_coverage_counter_ref): Kill.
8979         * opts.c (flag_speculative_prefetching_set): Kill.
8980         (flag_loop_optimize_set): New.
8981         (common_handle_option): Disable loop optimizer when profiling;
8982         do not handle speculative prefetching.
8983         * passes.c (init_optimization_passes): Replace pass_profiling combo
8984         by branch_prob pass.
8985         * profile.c (compute_value_histograms): Update for simplified value
8986         profiles.
8987         (rtl_register_profile_hooks): Kill.
8988         (pass_profiling): Kill.
8989         (rest_of_handle_branch_prob): Do not profile.
8990         * toplev.c (process_options): Remove speculative prefetching.
8991         * toplev.h (flag_tree_based_profiling): Kill.
8992         * tree-profile.c (prepare_instrumented_value,
8993         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8994         tree_gen_one_value_profiler, do_tree_profiling): Update for
8995         simplified datastructures.
8996         * value-prof.c: Add comment that speculative prefetching was dropped;
8997         update rest of file for simplified datastructures.
8998         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8999         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9000         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9001         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9002         rtl_mod_subtract, gen_speculative_prefetch,
9003         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9004         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9005         (gate_handle_value_profile_transformations,
9006         rest_of_handle_value_profile_transformations,
9007         pass_value_profile_transformations): Kill.
9008         * value-prof.h (histogram_value_t): Remove IL based unions.
9009         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9010         rtl_profile_hooks): Remove hooks.
9011
9012         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9013
9014         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9015         (cgraph_clone_node): Likewise.
9016         * cgraph.h (cgraph_clone_edge): Update prototype.
9017         (cgraph_clone_node): Likewise.
9018         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9019         cgraph_clone_node.
9020         (lookup_recursive_calls): Consider profile.
9021         (cgraph_decide_recursive_inlining): Fix updating; use new
9022         probability argument; use profile.
9023         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9024         * tree-inline.c (copy_bb): Update clal of clone_edge.
9025         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9026
9027         * invoke.texi (min-inline-recursive-probability): Document.
9028
9029 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9030
9031         * doc/install.texi (Configuration): Update Valgrind homepage.
9032
9033 2005-07-28  Richard Henderson  <rth@redhat.com>
9034
9035         PR middle-end/21362
9036         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9037         labels we want to delete.
9038         (cfg_layout_merge_blocks): Likewise.
9039
9040 2005-07-28  Richard Henderson  <rth@redhat.com>
9041
9042         PR target/17692
9043         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9044         when expanding to nothing.
9045
9046 2005-07-28  Josh Conner  <jconner@apple.com>
9047
9048         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9049         (cgraph_decide_inlining_of_small_functions): Likewise.
9050
9051 2005-07-28  Josh Conner  <jconner@apple.com>
9052
9053         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9054         direction of badness if negative.
9055         (cgraph_default_inline_p): Add reason to parameters, and assign it
9056         a value.
9057         (cgraph_decide_inlining_of_small_functions): New parameter in call
9058         to cgraph_default_inline_p.
9059         (cgraph_decide_inlining_incrementally): Likewise.
9060         * cgraphunit.c (decide_is_function_needed): Likewise.
9061         * cgraph.h (cgraph_default_inline_p): Likewise.
9062
9063 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9064
9065         * builtins.c: Fix comment typo(s).
9066         * genautomata.c: Likewise.
9067         * gimplify.c: Likewise.
9068         * tree-dfa.c: Likewise.
9069         * tree-flow-inline.h: Likewise.
9070         * tree-into-ssa.c: Likewise.
9071         * tree-ssa-alias.c: Likewise.
9072         * tree-ssa-ccp.c: Likewise.
9073         * tree-ssa-copy.c: Likewise.
9074         * tree-ssa-dce.c: Likewise.
9075         * tree-ssa-dom.c: Likewise.
9076         * tree-ssa-operands.c: Likewise.
9077         * tree-tailcall.c: Likewise.
9078         * tree-vectorizer.c: Likewise.
9079         * tree-vrp.c: Likewise.
9080         * tree.c: Likewise.
9081
9082 2005-07-28  Jeff Law  <law@redhat.com>
9083
9084         * tree-vrp.c (test_for_singularity): Extracted from  ...
9085         (simplify_cond_using_ranges): Attempt to simplify a relational
9086         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9087
9088 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9089
9090         PR tree-optimization/22506
9091         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9092         phis whose argument is constant.
9093
9094 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9095
9096         PR rtl-optimization/18992
9097         Back out this patch:
9098           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9099           PR optimization/12142
9100           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9101           uses of the register in the SET_SRC.  Remove unnecessary argument.
9102
9103         Replace it with this:
9104         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9105         if flag_non_call_exceptions is set and the insn may trap, pass
9106         pc_rtx as dest for recursion.
9107         In SET_SRC part of SET case, if dest is already set, pass it down
9108         unchanged.
9109
9110 2005-07-28  Jan Hubicka  <jh@suse.cz>
9111
9112         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9113         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9114         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9115         roundoff errors.
9116         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9117         profile when available.
9118
9119 2005-07-28  Jan Beulich <jbeulich@novell.com>
9120
9121         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9122         (ia64_print_operand): Describe and handle 'X'.
9123         (ia64_register_move_cost): Also handle FP_REGS.
9124         (ia64_preferred_reload_class): Likewise.
9125         (ia64_secondary_reload_class): Likewise.
9126         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9127         it. Also check for ITANIUM_CLASS_FLDP.
9128         * config/ia64/ia64.h (FP_REGNO_P): New.
9129         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9130         (reg_class): Add FP_REGS.
9131         (REG_CLASS_NAMES): Adjust for it.
9132         (REG_CLASS_CONTENTS): Likewise.
9133         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9134         (REG_CLASS_FROM_LETTER): Handle 'x'.
9135         (CLASS_MAX_NREGS): Handle FP_REGS.
9136         (MEMORY_MOVE_COST): Likewise.
9137         * config/ia64/ia64.md (itanium_class): Add fldp.
9138         (type): Handle fldp.
9139         (movti_internal): More allowable operand combinations. Use ldfp8 when
9140         splitting unnecessary. Remove predicable attribute. Adjust
9141         itanium_class attribute.
9142         (smuldi3_highpart): Remove outdated comment.
9143         (mulditi3, umulditi3, rotlti3): New expanders.
9144         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9145         (absti2): Disabled new insn for future reference.
9146         Respective new splitters.
9147         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9148         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9149         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9150
9151 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9152
9153         PR rtl-optimization/23047
9154         * simplify-rtx.c (simplify_const_relational_operation): Respect
9155         flag_wrapv for comparisons with ABS.
9156
9157 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9158
9159         PR tree-optimization/22493
9160         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9161         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9162
9163 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9164
9165         * config/frv/frv.opt (moptimize-membar): New.
9166
9167         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9168
9169         * config/frv/frv.h: Remove machine_function definition.
9170
9171         * config/frv/frv.c (struct frv_io): New.
9172         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9173         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9174         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9175         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9176         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9177         (frv_reorg): Call frv_optimize_membar when appropriate.
9178         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9179         (frv_expand_builtin): Adjust calls accordingly.
9180         (frv_io_address_cookie): New function.
9181         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9182         load or store rather than a special insn.  Add ccnstant address and
9183         io-type operands to the membar.
9184         (frv_ifcvt_modify_tests): Unsign regno.
9185         (frv_ifcvt_modify_tests): Same.
9186
9187         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9188         UNSPEC_OPTIONAL_MEMBAR constant.
9189         (builtin_read_<mode>): Delete.
9190         (builtin_write_<mode>): Delete.
9191         ("optional_membar_<mode>"): Add operand.
9192
9193         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9194         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9195         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9196         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9197         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9198         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9199         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9200         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9201         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9202
9203 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9204
9205         * df.c (df_uses_record): Handle SCRATCH.
9206
9207 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9208
9209         PR debug/20161
9210         * passes.c (rest_of_decl_compilation): If decl is a type and
9211         we have encountered errors, don't emit debug information.
9212
9213 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9214
9215         * params.def: Fixed comment.
9216
9217 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9218
9219         PR target/19885
9220         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9221         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9222         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9223
9224 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9225
9226         PR c++/22003
9227         * varasm.c (assemble_start_function): Don't do anything that may
9228         require a CFG if the current function is a thunk.
9229
9230 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9231
9232         * doc/install.texi (Prerequisites): Mention that perl is needed
9233         to do export control in libstdc++ targetting Darwin.
9234
9235 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9236
9237         PR rtl-optimization/17808
9238         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9239         (sched_insns_conditions_mutex_p): Split out from...
9240         (add_dependence): ...here.  But don't call it from here.
9241         (add_dependence_list): Check sched_insns_conditions_mutex_p
9242         before calling add_dependence.
9243         (add_dependence_list_and_free): Likewise.
9244         (fixup_sched_groups): Likewise.
9245         (sched_analyze_1): Likewise.
9246         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9247         (sched_analyze): Likewise.
9248         (sched_analyze_insn): Likewise.
9249         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9250         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9251         dependencies on all COND_EXEC insns to jumps ending basic blocks
9252         when doing intrablock scheduling.
9253         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9254
9255 2005-07-27  Jeff Law  <law@redhat.com>
9256
9257         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9258         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9259         equivalency sets, correctly handle the case were vr0 has an
9260         equivalency set, but vr1 does not.
9261
9262 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9263
9264         PR tree-optimization/23073
9265         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9266         vect_print_dump_info before fprintf.
9267
9268 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9269
9270         PR tree-optimize/22348
9271         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9272         Fold the partial computation.
9273
9274 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9275
9276         PR tree-optimization/22325
9277         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9278         Declare.
9279         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9280         value replacement.
9281         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9282         (force_var_cost): ... this function.
9283         (compute_phi_arg_on_exit): Export.
9284
9285 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9286
9287         PR tree-optimization/20773
9288         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9289         edge.
9290
9291 2005-07-27  Richard Guenther  <rguenther@suse.de>
9292
9293         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9294         Avoid pushing again if current struct contains only
9295         fields we decomposed.
9296
9297 2005-07-27  Jan Hubicka  <jh@suse.cz>
9298
9299         PR tree-optimization/22574
9300         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9301         not available.
9302
9303         * tree-tailcall.c (decrease_profile): New function.
9304         (eliminate_tail_call): Use it.
9305
9306         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9307         visibility flags correctly in whole program mode.
9308
9309 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9310
9311         PR rtl-optimization/22472
9312         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9313
9314 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9315
9316         PR tree-optimization/22504
9317         * tree-complex.c (expand_complex_addition): Use 'code' instead
9318         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9319
9320 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9321
9322         * config.gcc (cpu_type): Add frv case.
9323         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9324         (supported_defaults): Add fr550 case.
9325
9326 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9327
9328         PR 22591
9329         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9330         whether a pointer of type T * may point to objects of type T *.
9331
9332 2005-07-26  DJ Delorie  <dj@redhat.com>
9333
9334         * configure: Regenerate.
9335
9336 2005-07-26  Dale Johannesen  <dalej@apple.com>
9337
9338         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9339
9340 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9341
9342         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9343         Clarify use of "build" in name.
9344
9345 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9346
9347         * doc/extend.texi (Raw read/write Functions): New section.
9348         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9349         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9350         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9351         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9352         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9353         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9354         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9355         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9356         * config/frv/frv.c: Add bdesc_loads global.
9357         Add bdesc_stores global.
9358         (frv_init_builtins): Add support for __builtin_{read/write}*.
9359         (frv_volatile_memref): New.
9360         (frv_expand_load_builtin): New.
9361         (frv_expand_store_builtin): New.
9362         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9363         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9364         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9365         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9366         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9367         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9368         (builtin_read_<mode>): New.
9369         (builtin_write_<mode>): New.
9370         (builtin_write64): New.
9371         (optional_membar_<mode>): New.
9372
9373 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9374
9375         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9376         (rather than units) against HOST_BITS_PER_WIDE_INT.
9377
9378 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9379
9380         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9381         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9382         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9383         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9384         FSF address.
9385
9386         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9387         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9388         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9389         comment typos.
9390         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9391
9392 2005-07-26  Richard Guenther  <rguenther@suse.de>
9393
9394         PR tree-optimization/22486
9395         * fold-const.c (fold_unary): Fold away useless component
9396         references of the form (T *)&T.x, if the address
9397         doesn't change.
9398
9399 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9400
9401         * dwarf2out.c (add_call_src_coords_attributes): New.
9402         (gen_inlined_subroutine_die): Call it.
9403         (maybe_emit_file, init_file_table): Add comments.
9404         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9405         maybe_emit_file.
9406         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9407         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9408         * tree.h (BLOCK_SOURCE_LOCATION): New.
9409         (struct tree_block): New field locus.
9410
9411 2005-07-26  Andreas Schwab  <schwab@suse.de>
9412
9413         PR rtl-optimization/23043
9414         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9415         when allocating a struct unoccr.
9416
9417 2005-07-25  Richard Henderson  <rth@redhat.com>
9418
9419         PR 22626
9420         * tree-complex.c (gate_no_optimization): True if errors.
9421         * Makefile.in (tree-complex.o): Update dependencies.
9422
9423 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9424
9425         * config/frv/predicates.md (integer_register_operand): Use
9426         GPR_AP_OR_PSEUDO_P.
9427
9428 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9429
9430         PR tree-opt/22484
9431         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9432         after fold.
9433         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9434
9435 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9436
9437         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9438         types when flag_unsafe_math_optimizations is true.
9439
9440 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9441
9442         * gcc.c (option_map): Add --sysroot.
9443         (process_command): Handle --sysroot.
9444         (display_help): Document it.
9445         * doc/cppopts.tex (-isysroot): Document.
9446         * doc/invoke.texi (--sysroot): Document.
9447         * doc/install.texi (--with-build-sysroot): Document.
9448
9449         * Makefile.in (inhibit_libc): New variable.
9450         (INHIBIT_LIBC_CFLAGS): Likewise.
9451         (LIBGCC2_CFLAGS): Include
9452         $(INHIBIT_LIBC_CFLAGS).
9453         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9454         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9455         ($(T)crtend.o): Likewise.
9456         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9457         ($(T)crtendS.o): Likewise.
9458         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9459         ($(T)crtendT.o): Likewise.
9460         (stmp-fixinc): Do not complain about missing headers if
9461         inhibit_libc.
9462         * configure.ac (inhibit_libc): Set it to true/false.
9463         (--with-build-sysroot): New option.  Use it to set
9464         SYSTEM_HEADER_DIR.
9465         * configure: Regenerated.
9466
9467 2005-07-25  Manfred Hollstein  <mh@suse.com>
9468
9469         * calls.c (store_one_arg): Fix unsigned comparison warning.
9470
9471 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9472
9473         PR other/22337
9474         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9475         (ggc_print_statistics): Initialize variable before use.
9476
9477 2005-07-25  Richard Guenther  <rguenther@suse.de>
9478
9479         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9480         calling with a PHI_NODE argument.
9481
9482         * tree-flow-inline.h (overlap_subvar): Protect against
9483         possible overflow.
9484
9485 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9486
9487         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9488         * configure: Regenerate.
9489
9490 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9491
9492         * expr.c (highest_pow2_factor): Make extern.
9493         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9494         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9495         record_array_differ_p, array_ptr_differ_p): Likewise.
9496         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9497         additional cases. Call the above functions.
9498         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9499         base_object_differ_p when there are two base objects. Otherwise, compare
9500         base address and offset. Call may_alias_p.
9501         (dump_data_reference): Use a correct field name.
9502         (analyze_array): Make static. Initialize new data-ref fields.
9503         (analyze_indirect_ref): New function.
9504         (init_data_ref): Initialize new data-ref fields.
9505         (strip_conversion): Moved from tree-vect-analyze.c.
9506         (analyze_offset_expr, get_ptr_offset, address_analysis,
9507         object_analysis): Likewise.
9508         (analyze_offset): New function.
9509         (create_data_ref): Likewise.
9510         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9511         dimensions for ARRAY_REFs only.
9512         (build_classic_dist_vector): Make static.
9513         (access_functions_are_affine_or_constant_p): Call macro to get the
9514         address of access functions.
9515         (compute_all_dependences): Add new parameter
9516         compute_self_and_read_read_dependences. Compute self and read-read
9517         dependences if it is true.
9518         (find_data_references_in_loop): Call create_data_ref. Initialize new
9519         data-ref fields.
9520         (compute_data_dependences_for_loop): Add new parameter
9521         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9522         compute nb_loops. Call compute_all_dependences,
9523         build_classic_dist_vector and build_classic_dir_vector with correct
9524         parameters.
9525         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9526         with correct parameters. Compare dimensions for ARRAY_REFs only.
9527         (free_data_refs): Call macro to free access functions.
9528         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9529         fields from stmt_vinfo.
9530         (struct base_object_info): New structure.
9531         (struct data_reference): Move fields to base_object_info. Add fields
9532         first_location and object_info for above structures. Move fields from
9533         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9534         aligned_to.  Add macros to access the new fields.
9535         Update functions declarations.
9536         * tree-flow.h (is_aliased_with): Declare.
9537         * tree-loop-linear.c (linear_transform_loops): Call
9538         compute_data_dependences_for_loop with correct parameters.
9539         * tree-ssa-alias.c (is_aliased_with): New function.
9540         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9541         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9542         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9543         vect_base_addr_differ_p, compute_subscript_distance and
9544         build_classic_dist_vector. Add printings. Check absolute value of
9545         distance.
9546         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9547         data-refs.
9548         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9549         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9550         to bytes. Add printing.
9551         (vect_compute_data_refs_alignment): Go through loads and stores in one
9552         loop.
9553         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9554         vect_analyze_data_ref_access): Likewise.
9555         (vect_analyze_pointer_ref_access): Remove.
9556         (vect_address_analysis, vect_object_analysis): Likewise.
9557         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9558         and analyze data-refs in the loop.
9559         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9560         fields of data-ref instead of stmt. Add init to the offset from the
9561         base.
9562         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9563         (vect_update_init_of_dr): Likewise.
9564         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9565         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9566         removed fields.
9567         (new_loop_vec_info): Initialize new fields.
9568         (destroy_loop_vec_info): Free new fields.
9569         (vect_strip_conversion): Remove.
9570         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9571         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9572         datarefs. Add new field ddrs.
9573         Add macros for the new fields access.
9574         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9575         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9576         Remove their macros.
9577         * tree.h (highest_pow2_factor): Declare.
9578
9579 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9580
9581         * calls.c (store_one_arg): Check for sibling call MEM arguments
9582         from already clobbered incoming argument area.
9583
9584 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9585
9586         * c-common.c (check_missing_format_attribute): New.
9587         * c-common.h (check_missing_format_attribute): Likewise.
9588         * c-typeck.c (convert_for_assignment): Use it.
9589
9590 2005-07-24  Andreas Schwab  <schwab@suse.de>
9591
9592         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9593         register use a word move.  Correct operand of ext.w in 68000 code.
9594
9595 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9596
9597         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9598         variables as declarations, rather than definitions.
9599
9600 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9601
9602         PR tree-optimization/22526
9603         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9604         of the zero node.
9605
9606 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9607
9608         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9609         that C99 reserve for future use. Use it to define clog10,
9610         clog10f and clog10l.
9611
9612 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9613
9614         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9615         * configure.ac: Check for -Wmissing-format-attribute.
9616
9617         * configure: Regenerate.
9618
9619 2005-07-23  Richard Henderson  <rth@redhat.com>
9620
9621         PR tree-optimization/22623
9622         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9623
9624 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9625
9626         PR target/22577
9627         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9628
9629 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9630
9631         * Makefile.in (C_TREE_H): Update dependencies.
9632         * c-tree.h: Include toplev.h.
9633         * diagnostic.h (diagnostic_set_info): Add format attribute.
9634         * rtl-error.c (diagnostic_for_asm): Likewise.
9635
9636 2005-07-23  Chao-ying Fu  <fu@mips.com>
9637
9638         * config/mips/mips-dsp.md: New file.
9639         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9640         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9641         functions.
9642         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9643         MIPS_BUILTIN_BPOSGE32.
9644         (mips_expand_builtin_direct): Add one parameter to indicate that
9645         builtin functions need to return a value.
9646         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9647         functions.
9648         (mips_regno_to_class): Add classes for 12 new DSP registers.
9649         (mips_subword): Change to check four HI registers.
9650         (mips_output_move): Output move to and from 6 new DSP accumulators.
9651         (override_options): Make sure -mdsp and -mips16 are not used together.
9652         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9653         for machine modes.
9654         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9655         when !TARGET_DSP.
9656         (print_operand): Add 'q' for printing DSP accumulators.
9657         (mips_cannot_change_mode_class): Check ACC_REGS.
9658         (mips_secondary_reload_class): Check ACC_REGS.
9659         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9660         (mips_register_move_cost): Check ACC_REGS.
9661         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9662         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9663         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9664         (dsp_bdesc): New array.
9665         (bdesc_arrays): Add DSP builtin function table.
9666         (mips_prepare_builtin_arg): Check predicate again after
9667         copy_to_mode_reg.
9668         (mips_expand_builtin): Add one more parameter to
9669         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9670         MIPS_BUILTIN_BPOSGE32.
9671         (mips_init_builtins): Initialize new function types.
9672         (mips_expand_builtin_direct): Check if builtin functions need to
9673         return a value and pass operands properly.
9674         (mips_expand_builtin_bposge): New function.
9675         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9676         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9677         (FIRST_PSEUDO_REGISTER): Increase to 188.
9678         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9679         Update for 12 new DSP registers.
9680         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9681         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9682         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9683         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9684         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9685         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9686         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9687         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9688         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9689         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9690         (REGISTER_NAMES): Add names for 12 new DSP registers.
9691         * config/mips/mips.md: Include mips-dsp.md.
9692         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9693         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9694         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9695         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9696         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9697         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9698         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9699         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9700         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9701         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9702         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9703         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9704         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9705         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9706         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9707         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9708         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9709         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9710         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9711         (UNSPEC_RDDSP): New constants.
9712         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9713         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9714         A<-d alternative.
9715         * config/mips/mips.opt (-mdsp): New option.
9716         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9717         (reg_imm10_operand): New predicates.
9718         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9719         * doc/invoke.texi (-mdsp): Document new option.
9720
9721 2005-07-22  DJ Delorie  <dj@redhat.com>
9722
9723         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9724         to warning calls.
9725         * tree-inline.c (inlinable_function_p): Likewise.
9726
9727 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9728
9729         PR debug/21828
9730         * toplev.c (check_global_declarations): Do not mark undefined
9731         variables as DECL_IGNORED_P.
9732         * varasm.c (first_global_object_name): GTY it.
9733         (weak_global_object_name): Likewise.
9734         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9735         a string to go into {weak,first}_global_object_name.
9736
9737 2005-07-22  DJ Delorie  <dj@redhat.com>
9738
9739         * c-format.c (check_function_format): Change warning control
9740         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9741
9742 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9743
9744         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9745         &PTR->FLD a dereference of PTR.
9746         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9747         a potential dereference of PTR.
9748
9749 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9750
9751         PR rtl-optimization/20370
9752         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9753         call allocate_reg_info if necessary.
9754
9755         PR rtl-optimization/21848
9756         * calls.c (emit_library_call_value_1): For const functions, add
9757         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9758
9759         PR rtl-optimization/22445
9760         * cselib.c (target.h): Include.
9761         (rtx_equal_for_cselib_p): Allow commutative matches.
9762         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9763         Remove MODE parameter.  Changed all callers.
9764
9765         PR rtl-optimization/22258
9766         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9767         New functions.
9768         (try_combine): Use likely_spilled_retval_p.
9769
9770 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9771
9772         * config.gcc: Add crx-elf support.
9773
9774         * doc/contrib.texi: Mention crx.
9775         * doc/extend.texi: Document crx extensions.
9776         * doc/install.texi: Document crx install.
9777         * doc/invoke.texi: Document crx options.
9778         * doc/md.texi: Document crx constraints.
9779
9780         * config/crx/crx-protos.h: New file.
9781         * config/crx/crx.c: New file.
9782         * config/crx/crx.h: New file.
9783         * config/crx/crx.md: New file.
9784         * config/crx/crx.opt: New file.
9785         * config/crx/t-crx: New file.
9786
9787 2005-07-22  Manfred Hollstein  <mh@suse.com>
9788
9789         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9790         warnings.
9791         (int_add_graph_edge): Likewise.
9792         (collapse_nodes): Likewise.
9793         (process_unification_queue): Likewise.
9794
9795 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9796             Laurent GUERBY  <laurent@guerby.net>
9797
9798         PR tree-optimization/22336
9799         * function.c (record_block_change): Check for
9800         cfun->ib_boundaries_block.
9801
9802 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9803
9804         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9805         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9806
9807 2005-07-21  DJ Delorie  <dj@redhat.com>
9808
9809         * toplev.c (warn_deprecated_use): Add warning control to warning
9810         call.
9811         * c-typeck.c (parser_build_binary_op): Likewise.
9812         (c_finish_if_stmt): Likewise.
9813         * c-common.c (check_function_sentinel): Likewise.
9814         (check_nonnull_arg): Likewise.
9815
9816 2005-07-21  Richard Henderson  <rth@redhat.com>
9817
9818         PR tree-opt/22504
9819         * tree-complex.c (complex_ssa_name_components): New.
9820         (cvc_lookup): Allow entry not found.
9821         (create_components): Remove.
9822         (create_one_component_var, get_component_var): New.
9823         (get_component_ssa_name, set_component_ssa_name): New.
9824         (extract_component): Use get_component_ssa_name.
9825         (update_complex_components): Use set_component_ssa_name.
9826         (update_complex_components_on_edge): Likewise.
9827         (update_phi_components): Create new PHI nodes directly, instead
9828         of adding insns to edges.
9829         (tree_lower_complex): Allocate and free complex_variable_components
9830         and complex_ssa_name_components here.
9831
9832 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9833
9834         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9835         revert to returning false.
9836
9837 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9838
9839         PR target/21149
9840         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9841
9842 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9843
9844         PR target/22576
9845         * config/i386/i386.md (cmpxf): Change operand constraints
9846         to "nonmemory_operand".
9847
9848 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9849
9850         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9851
9852 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9853
9854         PR middle-end/21180
9855         * fold-const.c (fold_build1): Add checksum for the operands.
9856         (fold_build2): Likewise.
9857         (fold_build3): Likewise.
9858
9859 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9860
9861         PR middle-end/19055
9862         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9863
9864 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9865
9866         * common.opt (-fforward-propagate): Committed by mistake,
9867         removed.
9868
9869 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9870
9871         * reg-stack.c: Fix comment typo(s).
9872         * tree-ssa-operands.c: Likewise.
9873         * tree-vectorizer: Likewise.
9874
9875 2005-07-21  Nick Clifton  <nickc@redhat.com>
9876
9877         * config/sh/symbian.c: Replace C++ style line comments with C
9878         style line comments.
9879         (symbian_add_attribute): Do not use a ? operator on the LHS of
9880         an assignment.
9881         (sh_symbian_handle_dll_attribute): Change the type of the
9882         method vector to "VEC(tree,gc)*" and use vector accessor
9883         macros to walk over the elements.
9884         (symbian_export_vtable_and_rtti_p): Likewise.
9885         (symbian_class_needs_attribute_p): Likewise.
9886
9887 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9888
9889         PR target/22085
9890         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9891         initialize targetm.resolve_overloaded_builtin here.
9892         (altivec_expand_overloaded_builtin): Make it non-static.
9893         * config/rs6000/rs6000-protos.h
9894         (altivec_expand_overloaded_builtin): New prototype.
9895         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9896         targetm.resolve_overloaded_builtin here.
9897         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9898
9899 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9900             Zdenek Dvorak  <dvorakz@suse.cz>
9901
9902         PR tree-optimization/19210
9903         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9904         New.
9905         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9906         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9907         rely on unproven assumptions.
9908         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9909         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9910         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9911         to number_of_iterations_exit.
9912         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9913         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9914         * tree-ssa-loop-niter.c (find_loop_niter,
9915         estimate_numbers_of_iterations_loop): Likewise.
9916         (number_of_iterations_exit): Honor the new options.
9917         * doc/invoke.texi (Wunsafe-loop-optimizations,
9918         funsafe-loop-optimizations): Document them.
9919
9920 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9921
9922         PR rtl-optimization/22167
9923         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9924
9925 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9926
9927         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9928         __do_global_dtors_aux longcall.
9929
9930 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9931
9932         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9933         (old_special_pred_table): Don't reference
9934         SPECIAL_MODE_PREDICATES.
9935         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9936         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9937         * config/sh/predicates.h: Don't mention
9938         SPECIAL_MODE_PREDICATES.
9939         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9940         Remove.
9941
9942 2005-07-20  DJ Delorie  <dj@redhat.com>
9943
9944         * config.gcc: Add m32c-elf support.
9945
9946         * doc/contrib.texi: Mention m32c.
9947         * doc/extend.texi: Document m32c extensions.
9948         * doc/install.texi: Mention m32c.
9949         * doc/invoke.texi: Document m32c options.
9950         * doc/md.texi: Document m32c constraints.
9951
9952         * config/m32c/addsub.md: New file.
9953         * config/m32c/bitops.md: New file.
9954         * config/m32c/cond.md: New file.
9955         * config/m32c/jump.md: New file.
9956         * config/m32c/m32c-lib1.S: New file.
9957         * config/m32c/m32c-lib2.c: New file.
9958         * config/m32c/m32c-modes.def: New file.
9959         * config/m32c/m32c-pragma.c: New file.
9960         * config/m32c/m32c-protos.h: New file.
9961         * config/m32c/m32c.abi: New file.
9962         * config/m32c/m32c.c: New file.
9963         * config/m32c/m32c.h: New file.
9964         * config/m32c/m32c.md: New file.
9965         * config/m32c/m32c.opt: New file.
9966         * config/m32c/minmax.md: New file.
9967         * config/m32c/mov.md: New file.
9968         * config/m32c/muldiv.md: New file.
9969         * config/m32c/predicates.md: New file.
9970         * config/m32c/prologue.md: New file.
9971         * config/m32c/shift.md: New file.
9972         * config/m32c/t-m32c: New file.
9973
9974 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9975
9976         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9977         (stack_protect_set, stack_protect_test): New expanders.
9978         (stack_protect_set_si, stack_protect_set_si_media,
9979         stack_protect_set_di_media, stack_protect_test_si,
9980         stack_protect_test_si_media, stack_protect_test_di_media):
9981         New insns.
9982
9983 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9984
9985         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9986
9987 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9988
9989         * tree.h (tree_expr_nonzero_p): Export.
9990         * fold-const.c (tree_expr_nonzero_p): Likewise.
9991         Return true for CALL_EXPRs that are alloca calls.
9992         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9993         against zero.
9994         * tree-flow.h (expr_computes_nonzero): Remove.
9995         * tree-vrp.c (expr_computes_nonzero): Remove.
9996         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9997         (extract_range_from_unary_expr): Likewise.
9998         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9999         tree_expr_nonzero_p.
10000
10001 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10002
10003         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10004         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10005         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10006         All callers changed.
10007         (frame_related_constant_load): New arg "related" which controls
10008         setting of RTX_FRAME_RELATED_P.  All callers changed.
10009         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10010         (bfin_expand_prologue): Add stack limit checking.
10011         * config/bfin/bfin.md (trapifcc): New pattern.
10012
10013         * config/bfin/bfin.c: Include "langhooks.h".
10014         (def_builtin): Go through lang_hooks to call builtin_function.
10015
10016         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10017         * config/bfin/predicates.md (symbol_ref_operand): New.
10018         (call_insn_operand): Delete.  All callers changed to use
10019         register_no_elim_operand.
10020         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10021         call_cookie field.
10022         (function_arg): Use it to generate the call's operand 2.
10023         (bfin_longcall_p): New function.
10024         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10025         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10026         determine if the address needs to be in a REG.
10027         (bfin_handle_longcall_attribute): New function.
10028         (bfin_attribute_table): Add "longcall" and "shortcall".
10029         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10030         (CUMULATIVE_ARGS): New member call_cookie.
10031         (PREDICATE_CODES): Add symbol_ref_operand.
10032         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10033         extra USE to the pattern.
10034         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10035         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10036         sibcall_value_insn; now the new patterns handle direct calls and the
10037         old ones indirect calls.
10038         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10039
10040 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10041
10042         * doc/trouble.texi: Update section on handling of empty loops.
10043
10044 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10045
10046         * config.gcc: Remove support for sparc-*-openbsd*,
10047         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10048         ns32k-*-netbsd*.
10049         * config.host: Remove support for i860-*-sysv4* as a host.
10050         * config/i860/*, config/ip2k/*, config/ns32k/*,
10051         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10052         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10053         mention obsolete ports.
10054
10055 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10056
10057         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10058         soft frame pointer.
10059         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10060         of frame_pointer_rtx.
10061         (sh_expand_epilogue): Likewise.
10062         (sh_set_return_address): Likewise.
10063         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10064         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10065         offsets from FRAME_POINTER_REGNUM.
10066         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10067         (sh_register_names): Add initializer for sfp.
10068         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10069         (VALID_REGISTER_P): Likewise.
10070         (FIRST_PSEUDO_REGISTER): Update.
10071         (DWARF_FRAME_REGISTERS): Define.
10072         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10073         (HARD_FRAME_POINTER_REGNUM): Define.
10074         (FRAME_POINTER_REGNUM): Redefine.
10075         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10076         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10077         from FRAME_POINTER_REGNUM.
10078         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10079         FRAME_POINTER_REGNUM.
10080         (REG_CLASS_CONTENTS): Add sfp.
10081         (REG_ALLOC_ORDER): Likewise.
10082         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10083         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10084         of frame_pointer_rtx.
10085         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10086
10087 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10088
10089         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10090         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10091         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10092         of an ABS_EXPR.
10093         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10094         ABS_EXPR<x>.
10095
10096 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10097
10098         Make CONSTRUCTOR use VEC to store initializers.
10099         * c-common.c (complete_array_type): Update to cope with VEC in
10100         CONSTRUCTOR_ELTS.
10101         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10102         (pp_c_constructor_elts): New function.
10103         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10104         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10105         struct constructor_stack, struct initializer_stack,
10106         constructor_elements, push_init_level, pop_init_level,
10107         add_pending_init, find_init_member, output_init_element): Update to
10108         cope with VEC in CONSTRUCTOR_ELTS.
10109         * coverage.c (build_fn_info_value, build_ctr_info_value,
10110         build_gcov_info): Likewise.
10111         * expr.c (categorize_ctor_elements_1, store_constructor,
10112         expand_expr_real_1): Likewise.
10113         * fold-const.c (fold_ternary): Likewise.
10114         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10115         gimplify_init_constructor, gimplify_expr): Likewise.
10116         * tree-dump.c (dequeue_and_dump): Likewise.
10117         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10118         node.
10119         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10120         CONSTRUCTOR_ELTS.
10121         * tree-sra.c (generate_element_init_1): Likewise.
10122         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10123         * tree-ssa-operands.c (get_expr_operands): Likewise.
10124         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10125         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10126         (get_initial_def_for_reduction): Likewise.
10127         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10128         value handle in annotations.
10129         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10130         tree_node_structure): Add support for constr_kind.
10131         (build_vector_from_ctor, build_constructor_single,
10132         build_constructor_from_list): New functions.
10133         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10134         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10135         Update to cope with VEC in CONSTRUCTOR_ELTS.
10136         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10137         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10138         CONSTRUCTOR_APPEND_ELT): New macros.
10139         (struct constructor_elt, struct tree_constructor): New data types.
10140         (union tree_node): Add tree_constructor field.
10141         * treestruct.def: Define TS_CONSTRUCTOR.
10142         * varasm.c (const_hash_1, compare_constant, copy_constant,
10143         compute_reloc_for_constant, output_addressed_constants,
10144         initializer_constant_valid_p, output_constant,
10145         array_size_for_constructor, output_constructor): Update to cope with
10146         VEC in CONSTRUCTOR_ELTS.
10147         * vec.h (VEC_empty, VEC_copy): New macros.
10148
10149 2005-07-19  Devang Patel  <dpatel@apple.com>
10150
10151         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10152
10153 2005-07-19  Richard Henderson  <rth@redhat.com>
10154
10155         PR tree-opt/22278
10156         * gimplify.c (gimplify_expr): Use main variant type for the temp
10157         destination for a discarded volatile read.
10158         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10159         casts between non-void types that change volatility.
10160
10161 2005-07-15  DJ Delorie  <dj@redhat.com>
10162
10163         * toplev.h: Add comment about the first parameter for warning().
10164         * errors.h: Likewise.
10165
10166         * c.opt (Wpragmas): New.
10167         * doc/invoke.texi: Document it.
10168
10169         * function.c (do_warn_unused_parameter): Add warning control to
10170         warning call.
10171         * c-decl.c (warn_if_shadowing): Likewise.
10172         * c-lex.c (cb_def_pragma): Likewise.
10173         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10174         (pop_alignment): Likewise.
10175         (handle_pragma_pack): Likewise.
10176         (apply_pragma_weak): Likewise.
10177         (handle_pragma_weak): Likewise.
10178         (handle_pragma_redefine_extname): Likewise.
10179         (add_to_renaming_pragma_list): Likewise.
10180         (handle_pragma_extern_prefix): Likewise.
10181         (maybe_apply_renaming_pragma): Likewise.
10182         (handle_pragma_visibility): Likewise.
10183
10184         * config/c4x/c4x-c.c (BAD): Likewise.
10185         (c4x_parse_pragma): Likewise.
10186         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10187         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10188         (rs6000_pragma_longcall): Likewise.
10189         * config/v850/v850-c.c (pop_data_area): Likewise.
10190         (ghs_pragma_section): Likewise.
10191         (ghs_pragma_section): Likewise.
10192         (ghs_pragma_interrupt): Likewise.
10193         (ghs_pragma_starttda): Likewise.
10194         (ghs_pragma_startsda): Likewise.
10195         (ghs_pragma_startzda): Likewise.
10196         (ghs_pragma_endtda): Likewise.
10197         (ghs_pragma_endsda): Likewise.
10198         (ghs_pragma_endzda): Likewise.
10199
10200 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10201             Kenneth Zadeck <zadeck@naturalbridge.com>
10202
10203         * Makefile.in: Removed tree-promote-statics.c
10204         * tree-promote-statics.c: Removed.
10205         * common.opt: Removed flag-promote-statics.
10206         * opts.c: Ditto.
10207         * passes.c: Removed tree-promote-statics pass.
10208         * tree-pass.h: Ditto.
10209         * timevar.def: Removed TV_PROMOTE_STATICS.
10210
10211
10212 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10213
10214         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10215         and *-*-freebsd9.
10216         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10217
10218 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10219
10220         PR c/22476
10221         * c-common.c (check_function_arguments): Call
10222         'check_function_format' if either -Wformat or
10223         -Wmissing-format-attribute are specified.
10224         * c-format.c (check_function_format): Check -Wformat before
10225         calling 'check_format_info'.
10226         * c-opts.c (c_common_post_options): Don't warn for
10227         -Wmissing-format-attribute without -Wformat.
10228         * c-typeck.c (convert_for_assignment): Detect additional cases for
10229         -Wmissing-format-attribute.
10230         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10231         behavior.
10232
10233 2005-07-19  Richard Guenther  <rguenther@suse.de>
10234
10235         * config/i386/i386.md (lrint<mode>2): Use temporary
10236         instead of clobbering non-existent memory.
10237
10238 2005-07-19  Nick Clifton  <nickc@redhat.com>
10239
10240         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10241         statement to avoid displaying ASCII control characters.
10242
10243 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10244
10245         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10246         * cfganal.c (find_edge_index): Ditto.
10247         * combine.c (combine_instructions): Ditto.
10248         * ddg.c (create_scc): Ditto.
10249         (find_successors): Ditto.
10250         (find_predecessors): Ditto.
10251         (find_nodes_on_paths): Ditto.
10252         (longest_simple_path): Ditto.
10253         * flow.c (update_life_info): Ditto.
10254         (count_or_remove_death_notes): Ditto.
10255         (clear_log_links): Ditto.
10256         * modulo-sched.c (generate_reg_moves): Ditto.
10257         (find_max_asap): Ditto.
10258         (find_max_hv_min_mob): Ditto.
10259         (find_max_dv_min_mob): Ditto.
10260         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10261         * sched-rgn.c (extract_edgelst): Ditto.
10262         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10263         (dump_update_ssa): Ditto.
10264         (ssa_names_to_replace) Ditto.
10265         (switch_virtuals_to_full_rewrite): Ditto.
10266         (update_ssa): Ditto.
10267         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10268
10269 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10270
10271         Fix PR tree-optimization/22483
10272
10273         * tree-complex.c (create_components): Use
10274         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10275         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10276         * tree-flow.h (safe_referenced_var_iterator): New structure.
10277         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10278         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10279         safe_referenced_var iterator.
10280         (add_type_alias): Ditto.
10281
10282 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10283
10284         * loop-init.c (rest_of_handle_loop2): Remove.
10285         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10286         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10287         (pass_rtl_loop_init, pass_rtl_loop_done,
10288         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10289         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10290         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10291         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10292         pass_tree_loop_done, and pass_tree_unswitch.
10293         (gate_loop): Rename to gate_tree_loop.
10294         * passes.c (init_optimization_passes): Update for renamed tree
10295         loop passes.  Add the new loop2 passes as subpasses of loop2.
10296         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10297         Update for the renamed tree loop passes.
10298
10299 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10300
10301         PR middle-end/22057
10302         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10303         blocks when optimizing.
10304
10305 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10306
10307         * common.opt (frename-registers): Initialize to 2.
10308         (fweb): Ditto.
10309         (fgcse-after-reload): Ditto.
10310         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10311         (process_options): Only change flag_web, flag_rename_registers,
10312         and flag_rerun_cse_after_loop if not explicitly set by user.
10313
10314 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10315
10316         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10317         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10318         in 64-bit mode the same as DImode in 32-bit mode.
10319         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10320         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10321         mode. Add new mode parameter.
10322         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10323         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10324         x86_64_shift_adj): New expanders.
10325         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10326         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10327         insns.
10328         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10329         DImode shift splitters.
10330         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10331         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10332         mode parameter.
10333
10334 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10335
10336         * i386.md (movdi_extzv_1): New.
10337         (zero_extendhidi2): Combine alternatives and never force use of
10338         REX64 prefix.
10339         (zero_extendqidi2): Likewise. Don't restrict input selection.
10340
10341 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10342
10343         Fix PR tree-optimization/22531
10344         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10345          moment.
10346
10347 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10348
10349         * tree-promote-statics.c (pass_promote_statics): Change dump file
10350          name.
10351
10352 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10353
10354         * tree-optimize.c (init_tree_optimization_passes): Add
10355         pass_eliminate_useless_stores pass.
10356         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10357         * tree-ssa-pre.c (is_copy_stmt): New function.
10358         (follow_copies_till_vuse): Ditto.
10359         (do_eustores): Ditto.
10360         (gate_eustores): Ditto.
10361
10362 2005-07-16  Richard Henderson  <rth@redhat.com>
10363
10364         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10365
10366 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10367            Kenneth Zadeck <zadeck@naturalbridge.com>
10368
10369         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10370         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10371         ipa-type-escape.h, tree-promote-statics.c
10372         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10373         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10374         tree-promote-statics.c: new files.
10375         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10376         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10377         int nonlocal_set_p, mark_constant_function): Deleted.
10378         (rest_of_handle_cfg): Removed call to mark_constant_function.
10379         (nonoverlapping_component_refs_p): Added calls to support
10380         type based aliasing.
10381         * tree-ssa-alias.c (may_alias_p,
10382         compute_flow_insensitive_aliasing): Ditto.
10383         * calls.c (flags_from_decl_or_type): Removed reference to
10384         cgraph_rtl_info.
10385         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10386         too many arguments.  This is necessary for Spec 2000.
10387         * cgraph.h (const_function, pure_function): Removed.
10388         * common.opt: Added "fipa-pure-const", "fipa-reference",
10389         "fipa-type-escape", and "ftree-promote-static".
10390         * opts.c: Ditto.
10391         * passes.c: Added ipa and tree-promote-statics passes.
10392         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10393         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10394         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10395         * tree-flow.h: Added exposed sra calls and addition of
10396         reference_vars_info field for FUNCTION_DECLS.
10397         * tree-pass.h: Added passes.
10398         * tree-sra.c: (sra_init_cache): New function.
10399         (sra_insert_before, sra_insert_after) Made public.
10400         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10401         and made public.
10402         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10403         aliasing. (may_alias_p): Added code to use type escape analysis to
10404         improve alias sets.
10405         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10406         code to prune clobbers of static variables based on information
10407         produced in ipa-reference pass.  Changed call clobbering so that
10408         statics are not marked as clobbered if the call does not clobber
10409         them.
10410
10411 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10412
10413         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10414         too.
10415
10416 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10417
10418         * doc/install.texi (*-*-solaris2*): Document recommended version
10419         of GNU binutils and mention GNU linker problem on Solaris 10.
10420
10421 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10422
10423         PR c/22421
10424         * c-decl.c (c_build_bitfield_integer_type): New function.
10425         (finish_struct): Call it.
10426         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10427
10428 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10429
10430         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10431         before returning.
10432
10433 2005-07-16  Jan Hubicka  <jh@suse.cz>
10434
10435         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10436         (scale_bbs_frequencies_int): Watch roundoff errors.
10437         * predict.c (return_prediction): Initialize return_stmt.
10438
10439 2005-07-16  Jan Hubicka  <jh@suse.cz>
10440
10441         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10442         after RTL profiling.
10443
10444 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10445
10446         PR middle-end/22398
10447         * fold-const.c (build_range_check): Convert high/low to etype
10448         if we are only comparing against exp.
10449
10450 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10451
10452         Fix PR tree-optimization/22376
10453         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10454         special var here.
10455         (need_to_solve): New function.
10456         (compute_points_to_sets): Use it.
10457
10458 2005-07-15  Jan Hubicka  <jh@suse.cz>
10459
10460         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10461         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10462
10463 2005-07-15  Richard Guenther  <rguenther@suse.de>
10464
10465         * c-common.c (handle_flatten_attribute): New function.
10466         Add flatten function attribute.
10467         * doc/extend.texi: Document flatten function attribute.
10468         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10469         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10470         New functions.
10471         (cgraph_decide_inlining): Handle functions with flatten
10472         attribute.
10473
10474 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10475
10476         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10477         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10478         UNSPEC_XCHG, UNSPEC_AND): New.
10479         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10480         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10481         * config/rs6000/sync.md (FETCHOP): New code macro.
10482         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10483         New code attrs.
10484         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10485         (sync_compare_and_swap<mode>): Same.
10486         (sync_lock_test_and_set<mode>): Same.
10487         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10488         for QImode and HImode, and not PPC405.
10489         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10490         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10491         (sync_<fetchop>{si,di}_internal): New.
10492         (sync_nand{si,di}_internal): New.
10493         (sync_old_<fetchop>{si,di}_internal): New.
10494         (sync_old_nand{si,di}_internal): New
10495         (sync_new_<fetchop>{si,di}_internal): New.
10496         (sync_new_nand{si,di}_internal): New.
10497         (atomic_and{si,di}): New.
10498         (sync_new_nand{si,di}_internal): New.
10499         (atomic_and{si,di}): New.
10500         (sync_add<mode>_internal): Delete.
10501         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10502         (sync_sub<mode>_internal): Delte.
10503         (sync_subshort_internal): New.
10504         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10505         (sync_anddi_internal): Delete.
10506         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10507         (sync_booldi_internal): Delete.
10508         (sync_boolc<mode>_internal): Delete.
10509         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10510         (sync_boolc<mode>_internal2): Delete.
10511         (sync_boolcc<mode>_internal): Delete.
10512         (isync, lwsync): Use unspec instead of unspec_volatile.
10513         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10514         Revert UNSPEC_VOLATILE.
10515         (rs6000_split_atomic_op): New.
10516         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10517
10518 2005-07-14  Eric Christopher  <echristo@redhat.com>
10519
10520         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10521         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10522
10523 2005-07-14  Eric Christopher  <echristo@redhat.com>
10524
10525         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10526
10527 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10528
10529         PR tree-optimization/22230
10530         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10531         the computation of the four cross productions for "range op range".
10532
10533 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10534             Ulrich Weigand  <uweigand@de.ibm.com>
10535
10536         PR target/20126
10537         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10538         in some insn.
10539
10540 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10541
10542         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10543
10544 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10545
10546         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10547
10548 2005-07-14  Richard Guenther  <rguenther@suse.de>
10549
10550         PR middle-end/22347
10551         * config/i386/i386-protos.h (ix86_function_value): Change
10552         prototype to match new target hook.
10553         * config/i386/i386.c (ix86_value_regno): Change prototype
10554         to take extra type argument.
10555         (TARGET_FUNCTION_VALUE): Define.
10556         (ix86_function_ok_for_sibcall): Pass extra argument to
10557         ix86_value_regno, check return slot rtx for exact match.
10558         (ix86_function_value): Take extra parameter.  Dispatch to
10559         ix86_value_regno with fndecl/fntype as provided.
10560         (ix86_value_regno): Handle extra type argument.
10561         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10562
10563         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10564         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10565         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10566         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10567         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10568
10569 2005-07-14  Richard Guenther  <rguenther@suse.de>
10570
10571         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10572         * calls.c (expand_call): Pass fntype to hard_function_value.
10573         (emit_library_call_value_1): Likewise.
10574         * explow.c: Include target.h.
10575         (hard_function_value): Take extra argument, the fntype.
10576         Use new target hook for function_value.
10577         * expr.h (hard_function_value): Change prototype.
10578         * function.c (aggregate_value_p): Pass 0 as fntype to
10579         hard_function_value.
10580         (assign_parms): Use new target hook for function_value.
10581         Pass 0 as fntype to hard_function_value.
10582         (expand_function_end): Likewise.
10583         * reg-stack.c: Include target.h.
10584         (stack_result): Use new target hook for function_value.
10585         * target-def.h: New target hook function_value.
10586         * target.h: Likewise.
10587         * targhooks.c (default_function_value): New function.
10588         * targhooks.h (default_function_value): Declare.
10589
10590 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10591
10592         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10593
10594 2005-07-14  Jan Hubicka  <jh@suse.cz>
10595
10596         * tree-dfa.c (dump_variable): Use default_def function.
10597         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10598         * tree-ssa.c (verify_use): Likewise.
10599         * tree-ssanames.c (release_ssa_name): Likewise.
10600         * tree-tailcall.c (eliminate_tail_call): Likewise.
10601         (tree_optimize_tail_calls_1): Likewise.
10602         * tree-vrp.c (get_value_range): Likewise.
10603
10604 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10605
10606         * gcc.c (main): Compare language[0] with '*' when iterating over
10607         the infiles.
10608
10609 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10610
10611         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10612         "s390_emit_compare".  Add handling of CCZ1mode.
10613         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10614         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10615         checking.
10616         (s390_branch_condition_mask): Add CCZ1mode handling.
10617         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10618         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10619         Use CCZ1mode instead of CCZmode.
10620         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10621
10622 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10623
10624         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10625         pattern.
10626         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10627
10628 2005-07-13  Eric Christopher  <echristo@redhat.com>
10629
10630         * config/mips/mips.c (mips_canonicalize_comparison): New.
10631         (mips_emit_int_relational): Use.
10632
10633 2005-07-13  Eric Christopher  <echristo@redhat.com>
10634
10635         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10636         static extra parts.
10637         * config/s390/s390.md: Include tpf.md. Move tpf specific
10638         patterns...
10639         * config/s390/tpf.md: To here.
10640         * config/s390/s390.opt: Move tpf specific options...
10641         * config/s390/tpf.opt: to here. Add mmain option.
10642         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10643         * config/s390/tpf.h: Rewrite.
10644
10645 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10646
10647         * doc/tm.texi: Remove @xref{Cross-profiling}.
10648
10649 2005-07-13  Jeff Law  <law@redhat.com>
10650
10651         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10652         expressions, test their _DECL operands for pointer equality rather
10653         than using operand_equal_p.
10654
10655 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10656
10657         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10658         (TARGET_POSIX_IO): This.
10659         * config/darwin.h: Likewise.
10660         * config/freebsd.h: Likewise.
10661         * config/linux.h: Likewise.
10662         * config/lynx.h: Likewise.
10663         * config/netbsd.h: Likewise.
10664         * config/rs6000/linux64.h: Likewise.
10665         * config/rs6000/linux.h: Likewise.
10666         * config/s390/tpf.h: Likewise.
10667         * config/sh/embed-elf.h: Likewise.
10668         * config/sparc/linux64.h: Likewise.
10669         * config/sparc/linux.h: Likewise.
10670         * config/svr4.h: Likewise.
10671         * gcov-io.h: Likewise.
10672
10673         * doc/tm.texi: Updated.
10674
10675         * libgcov.c (create_file_directory): Defined only if
10676         TARGET_POSIX_IO is defined.
10677         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10678         is defined.
10679
10680 2005-07-13  Jan Hubicka  <jh@suse.cz>
10681
10682         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10683
10684 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10685
10686         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10687         structure as argument.
10688
10689 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10690
10691         PR tree-optimization/21921
10692         * tree-iterator.c (tsi_link_before): Support the case when
10693         tsi_end_p (tsi) == true.
10694
10695 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10696
10697         PR tree-optimization/22442
10698         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10699         correctly.
10700
10701 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10702
10703         PR rtl-optimization/20376
10704         * toplev.c (process_options): Enable -fweb and -frename-registers when
10705         unrolling.
10706         * doc/invoke.texi: Update the information about when -fweb and
10707         -frename-registers are enabled.
10708
10709 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10710
10711         PR tree-opt/21840
10712         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10713         if *rhs_p is not a SSA_NAME.
10714
10715 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10716
10717         Fix PR tree-optimization/22422
10718         * tree-ssa-structalias.c (struct variable_info): Add flag for
10719         special vars.
10720         (get_varinfo): Now a static function.
10721         (new_varinfo): init has_union and is_special_var to false.
10722         (solution_set_add): Check has_union.
10723         (do_da_constraint): Move temporary variable so it gets reset
10724         properly.
10725         Also check for special variable.
10726         (do_ds_constraint): Ditto.
10727         (do_sd_constraint): Ditto.
10728         (do_structure_copy): Check for special variable.
10729         (find_func_aliases): Ditto.
10730         (init_base_vars): Set special vars properly.
10731
10732 2005-07-13  Jan Hubicka  <jh@suse.cz>
10733
10734         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10735         do unit-at-a-time.
10736
10737         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10738         (get_expr_operands): Fix thinko wrt flags and subvars.
10739
10740         PR tree-optimize/22379
10741         * tree-inline.c (expand_call_inline): Do not output sorry in early
10742         inlining.
10743
10744 2005-07-12  Dale Johannesen  <dalej@apple.com>
10745
10746         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10747
10748 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10749
10750         PR bootstrap/21704
10751         * host-linux.h: Include limits.h.
10752
10753 2005-07-12  Dale Johannesen  <dalej@apple.com>
10754
10755         * expr.c (compress_float_constant):  Add cost check.
10756         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10757
10758 2005-07-12  Dale Johannesen  <dalej@apple.com>
10759
10760         * gcc.target/i386/compress-float-sse.c:  New.
10761         * gcc.target/i386/compress-float-sse-pic.c:  New.
10762         * gcc.target/i386/compress-float-387.c:  New.
10763         * gcc.target/i386/compress-float-387-pic.c:  New.
10764         * gcc.dg/compress-float-ppc.c:  New.
10765         * gcc.dg/compress-float-ppc-pic.c:  New.
10766
10767 2005-07-12  Eric Christopher  <echristo@redhat.com>
10768
10769         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10770         static extra parts.
10771         * config/s390/s390.md: Include tpf.md. Move tpf specific
10772         patterns...
10773         * config/s390/tpf.md: To here.
10774         * config/s390/s390.opt: Move tpf specific options...
10775         * config/s390/tpf.opt: to here. Add mmain option.
10776         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10777         * config/s390/tpf.h: Rewrite.
10778
10779 2005-07-12  Eric Christopher  <echristo@redhat.com>
10780
10781         * gcc.c (struct infile): Update comment for language.
10782         (main): Rewrite input file resetting code.
10783
10784 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10785
10786         PR tree-opt/22335
10787         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10788         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10789         (lookup_avail_expr): Use constant_boolean_node instead
10790         of boolean_false_node/boolean_true_node.
10791
10792 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10793
10794         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10795         and use it when printing num_edges.
10796
10797 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10798
10799         * doc/extend.texi (Blackfin Built-in Functions): New section.
10800         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10801         @opindex.
10802
10803 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10804
10805         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10806         s/cmpstrsi/cmpstrnsi
10807         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10808         'cmpstrnsi'.
10809         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10810         (init_optabs): Initialize cmpstrn_optab.
10811         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10812         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10813         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10814         * config/i386/i386.md: s/cmpstr/cmpstrn
10815         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10816         * doc/md.texi: Update documentation.
10817
10818 2005-07-11  Richard Henderson  <rth@redhat.com>
10819
10820         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10821         build_va_arg_indirect_ref.
10822         (alpha_gimplify_va_arg): Likewise.
10823         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10824         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10825         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10826         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10827         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10828         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10829         Likewise.
10830         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10831
10832 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10833
10834         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10835         * passes.c (init_optimization_passes): Add pass_empty_loop.
10836         * tree-pass.h (pass_empty_loop): Declare.
10837         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10838         try_remove_empty_loop, remove_empty_loops): New functions.
10839         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10840         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10841
10842 2005-07-12  Peter Barada  <peter@the-baradas.com>
10843
10844         PR middle-end/16719
10845         PR middle-end/18421
10846         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10847         in address registers.
10848         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10849         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10850         alternative of addsi3_5200.
10851
10852 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10853
10854         * config/mips/mips.md (ffs<mode>2): Remove.
10855
10856 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10857
10858         * doc/tree-ssa.texi (Cleanups): Improve description of
10859         TRY_FINALLY_EXPR.
10860         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10861
10862 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10863
10864         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10865         * tree.h (DECL_ARGUMENT_FLD): New macro.
10866
10867 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10868
10869         Fix PR tree-optimization/22404
10870
10871         * tree-ssa-structalias.c (create_variable_info_for): Use
10872         correct offset.
10873
10874 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10875
10876         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10877         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10878         for second comparison operand.
10879         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10880
10881         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10882         (define_insn_reservation "alu"): Likewise.
10883         (csync, ssync): Now of type sync.
10884         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10885         -mcsync-anomaly -mspecld-anomaly.
10886         * config/bfin/bfin.opt (mcsync): Remove.
10887         (mcsync-anomaly, mspecld-anomaly): Add.
10888         * config/bfin/bfin.c: Include "insn-codes.h".
10889         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10890         (TARGET_DEFAULT_TARGET_FLAGS): New.
10891         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10892
10893 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10894
10895         * basic-block.h: Give the BB flags enum a name, bb_flags.
10896         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10897         * cfgcleanup.c (enum bb_flags): Remove here.
10898         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10899         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10900         (update_forwarder_flag): Likewise.
10901         (thread_jump): Likewise.
10902         (try_forward_edges): Likewise.
10903         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10904         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10905         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10906
10907 2005-07-11  Richard Guenther  <rguenther@suse.de>
10908
10909         * config/i386/i386.opt: New target option -msseregparm.
10910         * config/i386/i386.c (override_options): Error out for
10911         -msseregparm but no SSE support.
10912         (ix86_function_sseregparm): Check for global sseregparm.
10913         * doc/invoke.texi: Document -msseregparm.
10914
10915 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10916
10917         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10918         (m32rle-*-linux*): Ditto.
10919
10920 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10921
10922         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10923         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10924         bytes.
10925
10926 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10927
10928         PR middle-end/22239
10929         PR target/20126
10930         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10931         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10932
10933 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10934
10935         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10936         (varmap): Heapify varmap.
10937         (constraints): Heapify constraints.
10938         (struct constraint_graph): Heapify succs and preds.
10939         (constraint_vec_find): Update for heapification.
10940         (constraint_set_union): Ditto.
10941         (insert_into_complex): Ditto.
10942         (constraint_edge_vec_find): Ditto.
10943         (erase_graph_self_edge): Ditto.
10944         (add_graph_edge): Ditto.
10945         (get_graph_weights): Ditto.
10946         (merge_graph_nodes): Ditto.
10947         (build_constraint_graph): Ditto.
10948         (topo_visit): Ditto.
10949         (solve_graph): Ditto.
10950         (create_variable_info_for): Ditto.
10951         (init_base_vars): Ditto.
10952         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10953         (condese_varmap_nodes): Free complex vector.
10954         (clear_edges_for_node): Clear succs and preds vector.
10955
10956 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10957
10958         * tree-ssa-structalias.c (update_alias_info): Change counting of
10959         references to not include vdefs.
10960
10961 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10962
10963         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10964         (up_insert): Ditto.
10965
10966 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10967
10968         * pa.c (pa_commutative_p): Make PLUS commutative when
10969         TARGET_NO_SPACE_REGS is true.
10970
10971 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10972
10973         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10974         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10975         * tree-dfa.c (dump_subvars_for): New.
10976         (debug_subvars_for): New.
10977         (dump_variable): Show subvariables if VAR has them.
10978         * tree-flow-inline.h (get_subvar_at): New.
10979         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10980         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10981         Update all users.
10982         (struct subvar): Change fields offset and size to unsigned
10983         HOST_WIDE_INT.
10984         (dump_subvars_for): Declare.
10985         (debug_subvars_for): Declare.
10986         (get_subvar_at): Declare.
10987         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10988         to unsigned HOST_WIDE_INT *.
10989         (overlap_subvar): Likewise.
10990         * tree-gimple.c (is_gimple_reg): Always return false for
10991         SFTs and memory tags.
10992         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10993         Update all callers.
10994         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10995         (compute_may_aliases): Call compute_points_to_sets.
10996         (collect_points_to_info_for): Remove.
10997         (compute_points_to_and_addr_escape): Remove.
10998         (delete_alias_info): Call delete_points_to_sets.
10999         (compute_flow_sensitive_aliasing): If the call to
11000         find_what_p_points_to returns false, call set_pt_anything.
11001         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11002         (set_pt_anything): Clear pi->pt_vars.
11003         (set_pt_malloc): Remove.
11004         (merge_pointed_to_info): Remove.
11005         (add_pointed_to_expr): Remove.
11006         (add_pointed_to_var): Remove.
11007         (collect_points_to_info_r): Remove.
11008         (is_escape_site): Make extern.
11009         (create_sft): New.
11010         (create_overlap_variables_for): Call it.
11011         * tree-ssa-copy.c (merge_alias_info): Never merge
11012         flow-sensitive alias information.
11013         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11014         offset and size to be unsigned HOST_WIDE_INT.
11015         (add_to_addressable_set): Rename from note_addressable.
11016         Set TREE_ADDRESSABLE as the variables are added to the set.
11017         Update all users.
11018         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11019         operands into VUSEs when adding V_MAY_DEFs for members in an
11020         alias set.
11021         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11022         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11023         (struct variable_info): Add bitfield is_heap_var.
11024         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11025         (new_var_info): Initialize is_heap_var.
11026         (get_constraint_for): Add HEAP variables to the symbol table.
11027         Mark them with is_heap_var.
11028         (update_alias_info): New.  Taken mostly from the old
11029         compute_points_to_and_addr_escape.
11030         (handle_ptr_arith): New.
11031         (find_func_aliases): Call update_alias_info.
11032         Call handle_ptr_info for tcc_binary expressions.
11033         Call mark_stmt_modified.
11034         (create_variable_info_for): If DECL has subvars, do not create
11035         variables for its subvars.  Always add all the fields.
11036         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11037         SFTs, then add all the SFTs of the structure.
11038         If VI->DECL is an aggregate with subvariables, add the SFT at
11039         VI->OFFSET.
11040         (find_what_p_points_to): If VI is an artificial variable,
11041         translate to bitfields in SSA_NAME_PTR_INFO.
11042         If the solution is empty, set pi->pt_vars to NULL
11043         (init_base_vars): Create ANYOFFSET.
11044         (compute_points_to_sets): Rename from create_alias_vars.
11045         Make extern.
11046         (pass_build_pta): Remove.
11047         (delete_points_to_sets): Rename from delete_alias_vars.
11048         (pass_del_pta): Remove.
11049         * tree-ssa-structalias.h (struct alias_info): Move from
11050         tree-ssa-alias.h.
11051         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11052         NUM_REFERENCES_SET): Likewise.
11053         (compute_points_to_sets, delete_points_to_sets): Declare.
11054
11055 2005-07-09  Richard Henderson  <rth@redhat.com>
11056
11057         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11058         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11059         alpha_split_lock_test_and_set_12): New functions.
11060         * config/alpha/alpha-protos.h: Update.
11061         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11062         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11063         * config/alpha/sync.md (I12MODE): New.
11064         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11065         (sync_<fetchop_name><I48MODE>): Likewise.
11066         (sync_nand<I48MODE>): Likewise.
11067         (sync_old_<fetchop_name><I48MODE>): Likewise.
11068         (sync_new_<fetchop_name><I48MODE>): Likewise.
11069         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11070         (sync_compare_and_swap<I48MODE>): Likewise.
11071         (sync_lock_test_and_set<I48MODE>): Likewise.
11072         (sync_compare_and_swap<I12MODE>): New.
11073         (sync_compare_and_swap<I12MODE>_1): New.
11074         (sync_lock_test_and_set<I12MODE>): New.
11075         (sync_lock_test_and_set<I12MODE>_1): New.
11076
11077 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11078
11079         PR 21356
11080         PR 22332
11081         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11082
11083 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11084
11085         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11086         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11087
11088 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11089
11090         PR target/21656
11091         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11092
11093 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11094
11095         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11096         memory_operand constraint.
11097         (store_conditional_<mode>): Same.
11098         (sync_compare_and_swap<mode>): Same.
11099         (sync_lock_test_and_set<mode>): Same.
11100
11101 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11102
11103         Rewrite PIC support to more closely model actual instructions.
11104         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11105         (cris_symbol): Remove prototypes for removed functions.
11106         (cris_pic_symbol_type_of, cris_valid_pic_const)
11107         (cris_expand_pic_call_address): Prototypes for new functions.
11108         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11109         variable.
11110         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11111         modifiers.
11112         <case ':'>: Add case for new punctuation character.
11113         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11114         emitting (extra) PIC modifier.
11115         <case UNSPEC>: Do not assert for PLT.
11116         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11117         (cris_expand_prologue, cris_expand_epilogue): Check
11118         for pic_offset_table_rtx usage instead of taking
11119         current_function_uses_pic_offset_table as the final word.
11120         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11121         Remove flag_pic difference.
11122         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11123         the moral equivalents of...
11124         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11125         functions.
11126         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11127         (cris_handle_option): Mark ARG as unused.
11128         (cris_expand_pic_call_address): New worker function for "call",
11129         "call_value".
11130         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11131         output PIC constructs here.
11132         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11133         as symbol-specific modifers, not whole or part of operands.
11134         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11135         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11136         constants and flag_pic.
11137         (CONSTANT_INDEX_P): Adjust for new functions.
11138         (enum cris_pic_symbol_type): New helper type.
11139         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11140         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11141         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11142         define_constants.
11143         ("movsi"): Emit actual instructions for GOT and relative access.
11144         ("*movsi_got_load"): New pattern to set up the register holding
11145         the GOT pointer.
11146         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11147         Adjust FIXME for 'S'.
11148         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11149         Use "movs" for -fpic cases.
11150         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11151         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11152         ("call", "call_value"): Just call cris_expand_pic_call_address for
11153         PIC addresses.
11154         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11155         Remove special pattern.
11156         ("*expanded_call_side", "*expanded_call_value_side"): New
11157         patterns.
11158         (gotplt-to-plt, gotplt-to-plt-side-call)
11159         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11160         peephole2:s.
11161         * config/cris/cris/predicates.md
11162         ("cris_general_operand_or_gotless_symbol"): Remove unused
11163         predicate.
11164         ("cris_general_operand_or_symbol"): Adjust for new functions.
11165
11166 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11167
11168         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11169
11170 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11171
11172         * Makefile.in (TREE_H): Add treestruct.def.
11173         (c-decl.o): Add pointer-set.h
11174         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11175         visibility on regular DECL's.
11176         (merge_decls): Fix the copying of decl nodes of various types for
11177         the new structures.  Don't update RTL, section name, weak status,
11178         etc, on DECL's without RTL.
11179         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11180         Don't check volatile on non-variable types.
11181         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11182         to check whether we have seen arguments.
11183         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11184         flag is checked before field (flag is common, field is not).
11185         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11186         TS_DECL_COMMON could have an origin.
11187         (add_location_or_const_value_attribute): Don't check section name
11188         on non-var/function decls.
11189         (dwarf2out_var_location): Reverse order of tests.
11190         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11191         with DECL_WRTL_CHECK.
11192         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11193         * fold-const.c (fold_binary): Don't check weakness on
11194         non-var/function decls.
11195         (tree_expr_nonzero_p): Ditto.
11196         (fold_checksum_tree): Use tree_decl_extra as sizeof
11197         buffer.
11198         * ggc-page.c (extra_order_size_table): Add sizes for
11199         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11200         tree_field_decl.
11201         * gimplify.c (gimplify_bind_expr): Only set
11202         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11203         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11204         without RTL.
11205         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11206         * langhooks.h (init_ts). New langhook.
11207         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11208         * print-tree.c (print_node): Update to only print fields that
11209         exist in the structures the passed decl has.
11210         * toplev.c (wrapup_global_declarations): Don't reset
11211         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11212         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11213         * tree-inline.c (remap_decl): Ditto.
11214         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11215         * tree-pretty-print.c (print_declaration): Don't print
11216         DECL_REGISTER on things that don't contain it.
11217         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11218         non-var/function decls.
11219         * tree.c (tree_contains_struct): New structure.
11220         (init_priority_for_decl): New hashtable.
11221         (tree_int_map): New structure.
11222         (tree_int_map_eq): New function.
11223         (tree_int_map_marked_p): Ditto.
11224         (tree_int_map_hash): Ditto.
11225         (tree_map): Move to tree.h.
11226         (tree_map_eq): Externalize.
11227         (tree_map_hash): Ditto.
11228         (tree_map_marked_p): Ditto.
11229         (init_ttree): Set up tree_contains_struct and call langhook.
11230         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11231         (tree_code_size): Update for new structures.
11232         (tree_node_structure): Update for new structures.
11233         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11234         without the field.
11235         (copy_node_stat):  Copy init priority.
11236         (build_decl_stat): Ditto for visibility.
11237         (ts_enum_names): New.
11238         (tree_contains_struct_check_failed): New function.
11239         (decl_init_priority_lookup): Ditto.
11240         (decl_init_priority_insert): Ditto.
11241         * treestruct.def: New file.
11242         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11243         (CONTAINS_STRUCT_CHECK): Ditto.
11244         (tree_contains_struct_check_failed): New prototype.
11245         (DECL_CHECK): Removed.
11246         (DECL_MINIMAL_CHECK): New.
11247         (DECL_COMMON_CHECK): Ditto.
11248         (DECL_WRTL_CHECK): Ditto.
11249         (DECL_NON_COMMON_CHECK): Ditto.
11250         (DECL_WITH_VIS_CHECK): Ditto.
11251         (VAR_OR_FUNCTION_DECL_P): Ditto
11252         (struct tree_decl_minimal): New structure.
11253         (struct tree_decl_common): Ditto.
11254         (struct tree_decl_with_rtl): Ditto.
11255         (struct tree_decl_with_vis): Ditto.
11256         (struct tree_decl_non_common): Ditto.
11257         (struct tree_field_decl): Ditto.
11258         (struct tree_parm_decl): Ditto.
11259         (struct tree_var_decl): Ditto.
11260         (struct tree_function_decl): Ditto.
11261         (struct tree_const_decl): Ditto.
11262         (struct tree_result_decl): Ditto.
11263         (union tree_node): Add new structures.
11264         * var-tracking.c (track_expr_p): Reverse order of tests.
11265
11266         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11267
11268 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11269
11270         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11271         * system.h: Poison FINALIZE_PIC.
11272         * doc/tm.texi (FINALIZE_PIC): Remove.
11273
11274 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11275
11276         PR tree-opt/22329
11277         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11278         to the correct type if we have a MODIFY_EXPR.
11279
11280 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11281
11282         PR tree-optimization/22360
11283         * tree.c (upper_bound_in_type): Fix calculations for casting
11284         to a non-wider signed type and casting a signed value to a
11285         wider unsigned type.
11286         (lower_bound_in_type): Fix calculations for casting to a
11287         non-wider signed type.
11288
11289         PR tree-optimization/20139
11290         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11291         release_defs.
11292         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11293         fold_cond_expr_cond.
11294         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11295         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11296
11297 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11298
11299         PR tree-opt/22356
11300         * tree-complex.c (expand_complex_libcall): Produce
11301         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11302
11303 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11304
11305         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11306         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11307         b" assert and inserted fastpath code for this case.
11308         (bitmap_ior): Removed "a != b" assert.
11309
11310 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11311
11312         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11313         (ENDFILE_SPEC): Likewise.
11314         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11315
11316         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11317         a large stack frame at epilogue.
11318
11319 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11320
11321         * final.c: Include sdbout.h when required.
11322
11323 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11324
11325         * config.gcc (*-*-darwin*): Only one target-specific header file
11326         for generic darwin.
11327         (powerpc-*-darwin*): Add version-specific header files.
11328         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11329         * config.in: Regenerate.
11330         * configure: Regenerate.
11331         * gcc.c: Include xregex.h.
11332         (version_compare_spec_function): New.
11333         (spec_function): Add version-compare.
11334         (replace_outfile_spec_function): Reformat comment.
11335         (compare_version_strings): New.
11336         * config/darwin-c.c (version_as_macro): New.
11337         (builtin_define): New.
11338         (darwin_cpp_builtins): New.
11339         * config/darwin-protos.h (darwin_cpp_builtins): New.
11340         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11341         (LIB_SPEC): Make unconditional, update comment.
11342         (TARGET_C99_FUNCTIONS): Define.
11343         * config/darwin.opt: Sort.
11344         (mmacosx-version-min=): New.
11345         * config/darwin7.h: Delete.
11346         * config/darwin8.h: Delete.
11347         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11348         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11349         (TARGET_C99_FUNCTIONS): Define.
11350         * config/rs6000/darwin7.h: New.
11351         * config/rs6000/darwin8.h: New.
11352         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11353         (-mmacosx-version-min): Document.
11354
11355 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11356
11357         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11358
11359 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11360
11361         PR middle-end/22239
11362         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11363
11364 2005-07-07  Khem Raj  <kraj@mvista.com>
11365
11366         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11367         in bytes, not words.
11368
11369 2005-07-07  Paul Brook  <paul@codesourcery.com>
11370
11371         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11372         DEFAULT_FUNCTION_ARG_PADDING to upward.
11373
11374 2005-07-07  Richard Henderson  <rth@redhat.com>
11375
11376         * function.c (locate_and_pad_parm): Record parameter alignment in
11377         stack_alignment_needed.
11378
11379 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11380
11381         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11382         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11383         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11384         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11385         (define_attr "type"): Add isync, sync, load_l, store_c.
11386         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11387         Create scratch volatile MEM.
11388         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11389         sync.
11390         (load_locked_<mode>): New.
11391         (store_conditional_<mode>): New.
11392         (sync_compare_and_swap<mode>): Replace with splitter.
11393         (sync_lock_test_and_set<mode>): Replace with splitter.
11394         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11395         and UNSPECV_ISYNC.
11396         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11397         is ics.  Attribute isync.
11398         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11399         lwsync.
11400         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11401         and UNSPECV_SYNC_OP.
11402         (emit_unlikely_jump): New.
11403         (emit_load_locked): New.
11404         (emit_store_conditional): New.
11405         (rs6000_split_compare_and_swap): New.
11406         (rs6000_split_lock_test_and_set): New.
11407         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11408         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11409         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11410         rs6000_split_lock_test_and_set): Declare.
11411         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11412         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11413         store_c, isync, sync.
11414
11415 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11416
11417         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11418         filenames to gtyp-gen.h.
11419         (s-typ-gen): Use it in place of for loops.
11420
11421 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11422
11423         * hooks.c (hook_bool_rtx_int_false): New function.
11424         * hooks.h (hook_bool_rtx_int_false): Declare.
11425         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11426         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11427         * target.h (struct gcc_target): Add commutative_p member.
11428         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11429         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11430         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11431         (pa_commutative_p): New function.
11432         * jump.c (target.h): Include.
11433         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11434         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11435
11436 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11437
11438         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11439         (s390_expand_setmem): New.
11440         * config/s390/s390.c: Likewise.
11441         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11442         Adapt comments.
11443         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11444         general_operand.  Call new function "s390_expand_setmem".
11445         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11446         ("setmem_long", "*setmem_long"): ... this.
11447
11448 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11449
11450         * config/s390/s390.c: (optimization_options): Enable
11451         TARGET_MVCLE at -Os.
11452         * doc/invoke.texi: Document changes in default behaviour.
11453         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11454
11455 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11456
11457         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11458         defined by back-end.
11459
11460 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11461
11462         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11463         all sets in the pattern.
11464         * config/rs6000/rs6000.md (stack_protect_testsi,
11465         stack_protect_testdi): Likewise.
11466
11467 2005-07-06  Jeff Law  <law@redhat.com>
11468
11469         * tree-vrp.c (simplify_using_ranges): Kill.
11470         (vrp_finalize): Remove call to simplify_using_ranges.
11471         (simplify_stmt_using_ranges): New function extracted from
11472         simplify_using_ranges.
11473         (simplify_div_or_mod_using_ranges): Likewise.
11474         (simplify_abs_using_ranges): Likewise.
11475         (simplify_cond_using_ranges): New function.
11476         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11477         * tree-ssa-propagate.c (substitute_and_fold): Call
11478         simplify_stmt_using_ranges if we have range information.
11479
11480 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11481
11482         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11483         ia64_flag_schedule_isns2.
11484
11485         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11486         reading/writing general registers.
11487         (ia64_function_arg): Revert 2005-06-18 change.
11488
11489 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11490
11491         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11492         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11493
11494 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11495
11496         * function.c (expand_function_end): Revert part of 2005-06-27
11497         patch.  Do sjlj_emit_function_exit_after after return_label.
11498
11499 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11500
11501         * doc/install.texi (--disable-libssp): New.
11502
11503 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11504
11505         * doc/invoke.texi: Update -fforce-mem documentation.
11506         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11507         code for -fforce-mem.
11508         * expmed.c: (store_bit_field,store_fixed_bit_field,
11509         extract_bit_field): Ditto.
11510         * expr.c: (convert_move): Ditto.
11511         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11512         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11513         emit_conditional_add,expand_float,expand_fix): Ditto.
11514         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11515         (common_handle_option): Issue warning when -fforce-mem specified.
11516
11517 2005-07-06  Paul Brook  <paul@codesourcery.com>
11518
11519         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11520         argument is empty.
11521         * configure: Regenerate.
11522
11523 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11524
11525         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11526
11527 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11528
11529         Fix PR tree-optimization/22319
11530         Fix PR tree-optimization/22140
11531         Fix PR tree-optimization/22310
11532
11533         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11534         variable sized types.
11535         Use correct type for intermediate structure on *a = *b structure
11536         copies.
11537
11538 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11539
11540         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11541         Remove.
11542         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11543         (machine_function): Move typedef to...
11544         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11545         varargs_save_offset field.
11546         (rs6000_stack_t): Remove varargs_size field.
11547         (setup_incoming_varargs): Allocate varargs save area using
11548         assign_stack_local, try to make it as small as possible.
11549         Save offset from virtual_stack_vars_rtx to the save area
11550         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11551         instead of magic 8 when fp word byte size is used.
11552         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11553         instead of -RS6000_VARARGS_SIZE.
11554         (rs6000_stack_info, debug_stack_info,
11555         rs6000_initial_elimination_offset): Remove all traces of
11556         varargs_size.
11557         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11558         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11559         RS6000_VARARGS_AREA.
11560
11561 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11562
11563         PR tree-optimization/21963
11564         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11565         constant_multiple_of in the same way get_computation_cost_at does.
11566
11567 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11568
11569         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11570         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11571         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11572         and return its previous value.
11573         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11574         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11575         constants.
11576         (stack_protect_set, stack_protect_test): New expanders.
11577         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11578         stack_protect_testdi): New insns.
11579         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11580         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11581
11582 2005-07-06  Jeff Law  <law@redhat.com>
11583
11584         * tree-ssa-dce.c (cfg_altered): New global.
11585         (tree_dce_init): Initialize cfg_altered.
11586         (remove_dead_stmt): If we remove an edge in the CFG, then set
11587         CFG_ALTERED.
11588         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11589         the dominators.
11590
11591 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11592
11593         * Makefile.in (stamp-collect-ld): Use
11594         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11595         ./collect-ld if it already exists.
11596         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11597         Don't remove ./nm if it already exists.
11598
11599 2005-07-05  Devang Patel  <dpatel@apple.com>
11600
11601         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11602         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11603         * tree-vectorizer.c (vect_loop_location): New.
11604         (vect_print_dump_info): Use vect_loop_location.
11605         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11606         (vectorize_loops): Set vect_loop_location.
11607         * tree-vect-analyze.c (vect_analyze_offset_expr,
11608         vect_determin_vectorization_factor, vect_analyze_operations,
11609         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11610         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11611         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11612         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11613         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11614         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11615         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11616         vect_analyze_loop): Adjust vect_print_dump_info API.
11617         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11618         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11619         vect_finish_stmt_generation, vectorizable_assignment,
11620         vectorizable_operation, vectorizable_store, vectorizable_load,
11621         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11622         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11623         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11624         vect_transform_loop): Same.
11625         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11626         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11627         Same.
11628
11629 2005-07-05  Randolph Chung  <tausq@debian.org>
11630
11631         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11632         * configure: Regenerate.
11633         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11634         (pa_tls_referenced_p): Declare.
11635         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11636         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11637         (legitimize_tls_address): New.
11638         (hppa_legitimize_address): Handle TLS addresses.
11639         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11640         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11641         (emit_move_sequence): Handle TLS addresses.
11642         (pa_encode_section_info): Call default handler to handle common
11643         sections.
11644         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11645         (CONSTANT_ADDRESS_P): Reject TLS operands.
11646         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11647         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11648         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11649         (UNSPEC_TLSLE): Define new constants.
11650         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11651         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11652         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11653         (tie_symbolic_operand, tle_symbolic_operand): New
11654
11655 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11656
11657         * aclocal.m4: Update macros for autoconf 2.59 style.
11658         * configure.ac: Likewise.
11659
11660 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11661
11662         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11663         (function_arg): Pass small aggregates in general registers on 32-bit
11664         targets.
11665         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11666
11667 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11668
11669         * Makefile.in (final.o): Fix dependencies.
11670
11671 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11672
11673         PR c/22013
11674         PR c/22098
11675         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11676         * langhooks.c (lhd_expr_to_decl): New.
11677         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11678         New.
11679         (LANG_HOOKS_INITIALIZER): Update.
11680         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11681         expr_to_decl langhook.
11682         * c-tree.h (c_expr_to_decl): Declare.
11683         * c-typeck.c (c_expr_to_decl): New.
11684         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11685         specially.
11686         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11687
11688 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11689
11690         PR c/22308
11691         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11692         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11693
11694 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11695
11696         * Makefile.in: Adjust dependencies.
11697         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11698         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11699         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11700         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11701         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11702         rest_of_compilation.
11703
11704         * bb-reorder.c (gate_duplicate_computed_gotos,
11705         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11706         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11707         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11708         pass_partition_blocks): New.
11709         * bt-load.c (gate_handle_branch_target_load_optimize,
11710         rest_of_handle_branch_target_load_optimize,
11711         pass_branch_target_load_optimize): New.
11712         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11713         pass_jump2): New.
11714         * cfglayout.c (pass_insn_locators_initialize): New.
11715         * cfgrtl.c (pass_free_cfg): New.
11716         * combine.c (gate_handle_combine, rest_of_handle_combine,
11717         pass_combine): New.
11718         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11719         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11720         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11721         * except.c (pass_set_nothrow_function_flags,
11722         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11723         pass_rtl_eh): New.
11724         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11725         rest_of_handle_shorten_branches, pass_shorten_branches,
11726         rest_of_clean_state, pass_clean_state): New.
11727         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11728         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11729         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11730         pass_flow2): New.
11731         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11732         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11733         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11734         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11735         pass_gcse): New.
11736         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11737         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11738         pass_rtl_ifcvt, gate_handle_if_after_combine,
11739         rest_of_handle_if_after_combine, pass_if_after_combine,
11740         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11741         pass_if_after_reload): New.
11742         * integrate.c (pass_initial_value_sets): New.
11743         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11744         pass_purge_lineno_notes): New.
11745         * mode-switching.c (rest_of_handle_mode_switching,
11746         pass_mode_switching): New.
11747         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11748         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11749         pass_loop2): New.
11750         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11751         pass_loop_optimize): New.
11752         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11753         pass_sms): New.
11754         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11755         pass_gcse2): New.
11756         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11757         pass_postreload_cse): New.
11758         * profile.c (gate_handle_profiling, pass_profiling,
11759         rest_of_handle_branch_prob, pass_branch_prob): New.
11760         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11761         pass_split_before_regstack, gate_handle_split_before_regstack,
11762         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11763         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11764         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11765         pass_stack_regs): New.
11766         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11767         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11768         pass_stack_adjustments): New.
11769         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11770         pass_regrename): New.
11771         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11772         pass_delay_slots, gate_handle_machine_reorg,
11773         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11774         * rtl.h (extern void purge_line_number_notes): New.
11775         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11776         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11777         pass_sched2): New.
11778         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11779         pass_tracer): New.
11780         * value-prof.c (gate_handle_value_profile_transformations,
11781         rest_of_handle_value_profile_transformations,
11782         pass_value_profile_transformations): New.
11783         * var-tracking.c (gate_handle_var_tracking,
11784         pass_variable_tracking): New.
11785         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11786
11787         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11788         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11789         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11790         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11791         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11792         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11793         rest_of_handle_gcse2, rest_of_handle_regmove,
11794         rest_of_handle_tracer, rest_of_handle_if_conversion,
11795         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11796         rest_of_handle_web, rest_of_handle_branch_prob,
11797         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11798         rest_of_handle_jump_bypass, rest_of_handle_combine,
11799         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11800         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11801         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11802         rest_of_handle_mode_switching, rest_of_handle_jump,
11803         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11804         rest_of_handle_flow2, rest_of_handle_jump2,
11805         rest_of_handle_peephole2, rest_of_handle_postreload,
11806         rest_of_handle_shorten_branches, rest_of_clean_state,
11807         rest_of_compilation): Remove.
11808
11809         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11810         * passes.c (dump_flags, in_gimple_form, all_passes,
11811         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11812         register_dump_files, next_pass_1, last_verified, execute_todo,
11813         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11814         from tree-optimize.c.
11815         (init_optimization_passes): Moved from tree-optimize.c,
11816         adding the RTL optimizations.
11817         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11818         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11819         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11820         register_dump_files, next_pass_1, last_verified, execute_todo,
11821         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11822         init_tree_optimization_passes, ipa_passes): Delete.
11823         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11824         the RTL dumps.
11825         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11826         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11827         from tree.h.
11828         (ipa_passes): Remove.
11829         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11830         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11831         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11832         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11833         (dump_info_p, dump_flag): Moved to tree-dump.h.
11834
11835         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11836         cgraph.c, opts.c.
11837         * passes.c (finish_optimization_passes): Use dump_begin
11838         and dump_end, TDI_end.
11839         (gate_rest_of_compilation): New.
11840         (pass_rest_of_compilation): Use it.
11841         (gate_postreload, pass_postreload): New.
11842         * toplev.c (general_init): Rename init_tree_optimization_passes.
11843         * toplev.h (init_tree_optimization_passes): Rename to
11844         init_optimizations_passes.
11845         * tree-dump.c (dump_flag): Make static.
11846         (dump_files): Remove RTL dumps.
11847         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11848         pass_cleanup_cfg, pass_free_cfg_annotations,
11849         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11850         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11851         * tree-pretty-print.c: Include tree-pass.h.
11852         * cgraph.c: Include tree-dump.h.
11853
11854 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11855
11856         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11857         Only fall back to saying it points to readonly memory if
11858         we can't do better.
11859
11860 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11861
11862         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11863         * config/m32r/m32r.c (m32r_compute_frame_size,
11864         m32r_expand_prologue): Take current_function_profile into
11865         account whenever we reference
11866         current_function_uses_pic_offset_table.
11867         (m32r_finalize_pic): Remove.
11868         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11869
11870 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11871
11872         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11873         instead of $<.  Don't remove ./as if it already exists.
11874
11875 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11876
11877         PR target/21723
11878         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11879         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11880         for complex modes when generating code for PA 1.0.
11881         (VALID_FP_MODE_P): New macro.
11882         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11883         sets for all general and floating point modes.  Align wide floating
11884         point modes to even register boundaries to comply with architectural
11885         requirements.
11886         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11887         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11888         (VALID_FP_MODE_P): New macro.
11889         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11890         sets for all general and floating point modes.  Align wide floating
11891         point modes to even register boundaries to comply with architectural
11892         requirements.
11893
11894 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11895
11896         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11897         to 0.
11898
11899 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11900
11901         * tree-ssa-structalias.c: Don't include expr.h.
11902
11903 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11904
11905         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11906         comments.
11907
11908 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11909
11910         Fix PR tree-optimization/22279
11911
11912         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11913         correct operator.
11914
11915 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11916
11917         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11918
11919 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11920
11921         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11922         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11923         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11924         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11925         config/stormy16/stormy16.c, config/v850/v850.c,
11926         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11927         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11928         Avoid "." or "\n" at end of diagnostics and capital letters at
11929         start of diagnostics.
11930         * combine.c, cse.c: Don't translate dump file output.
11931         * toplev.c (print_version): Only translate output if going to
11932         stderr.
11933
11934 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11935
11936         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11937         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11938         typos.
11939
11940 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11941
11942         * pa.c (fix_range): Fix typo in comment.
11943
11944 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11945
11946         * tree-vrp.c (extract_range_from_assert): Replace
11947         fold (build (...)) with fold_build2.
11948
11949 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11950
11951         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11952         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11953         (format_types_orig, handle_format_attribute): Add support for
11954         format "gcc_gfc".
11955
11956 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11957
11958         * varasm.c (assemble_variable): Fix format specifier thinko.
11959
11960 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11961
11962         PR tree-optimization/22029 (and 22135)
11963         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11964         a phi node before calling dump_vops.
11965
11966 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11967
11968         * tree-dump.h (dump_string_field): Declare.
11969         * tree-dump.c: Use it instead of dump_string.
11970         (dump_string_field): Make non-static.
11971
11972 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11973
11974         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11975         up the minimal CFG stuff always when optimize > 0.  Call
11976         split_all_insns_noflow in PIC case if needed.
11977
11978 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11979             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11980
11981         PR c++/18279
11982         * c-decl.c (c_write_global_declarations): Dump contents of
11983         external scope to.
11984         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11985         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11986         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11987         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11988         is enabled.
11989
11990 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11991
11992         * c-common.h (GCC_DIAG_STYLE): Define.
11993         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11994         version for format checking to 4.1.
11995         * c-format.c: Include toplev.h after c-common.h.
11996         (enum format_type): Add gcc_tdiag_format_type.
11997         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11998         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11999         (format_types_orig): Add gcc_tdiag.
12000         (init_dynamic_diag_info): Support gcc_tdiag formats.
12001         (handle_format_attribute): Likewise.
12002         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12003         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12004         version for format checking to 4.1.
12005         (warning0, warning, error, pedwarn, sorry): Use
12006         ATTRIBUTE_GCC_DIAG.
12007         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12008         (finish_aliases_1): Do not use %qE.
12009         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12010         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12011         Correct format bugs.
12012         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12013         parameter to unsigned HOST_WIDE_INT.
12014         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12015
12016 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12017
12018         PR middle-end/21742
12019         * expr.c (write_complex_part): Use adjust_address for MEM.
12020         (read_complex_part): Same.
12021
12022 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12023
12024         Fix PR tree-optimization/22280
12025
12026         * tree-sra.c (generate_element_init): Remove useless loop.
12027
12028 2005-07-02  Richard Henderson  <rth@redhat.com>
12029
12030         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12031         TLS_MODEL_NONE.
12032         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12033
12034 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12035
12036         PR middle-end/14490
12037         * fold-const.c (fold_binary): Handle the return value of
12038         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12039         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12040
12041 2005-07-02  Jeff Law  <law@redhat.com>
12042
12043         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12044         a eliminate type conversion which feeds an equality comparison
12045         if the original type or either operand in the comparison is a
12046         function pointer.
12047
12048 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12049
12050         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12051         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12052         texts.
12053         * config/avr/avr.c: Do not use '`' as left quote.
12054         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12055         Remove "." from end of diagnostics.  Make diagnostics start with
12056         lowercase letter.
12057
12058 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12059             Joseph S. Myers  <joseph@codesourcery.com>
12060
12061         * toplev.c (default_tree_printer): Handle setting location with
12062         '+' flag.
12063         * c-objc.common.c (c_tree_printer): Likewise.
12064         * c-format.c (gcc_diag_flag_specs): Add '+'.
12065         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12066         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12067         formats.
12068         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12069         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12070         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12071         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12072         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12073         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12074         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12075         format arguments where %J is used without %D.
12076
12077 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12078
12079         * gcc.c (LINK_SSP_SPEC): Define.
12080         (link_ssp_spec): New variable.
12081         (LINK_COMMAND_SPEC): Add %(link_ssp).
12082         (static_specs): Add link_ssp_spec.
12083         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12084         * configure: Rebuilt.
12085         * config.in: Rebuilt.
12086
12087         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12088         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12089         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12090         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12091         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12092         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12093         -0x7008(2) instead of reading __stack_chk_guard variable.
12094         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12095         number.
12096         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12097         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12098         if TARGET_THREAD_SSP_OFFSET is defined.
12099         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12100         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12101
12102         Revert:
12103         2005-06-27  Richard Henderson  <rth@redhat.com>
12104         * libgcc-std.ver (GCC_4.1.0): New.
12105         * libgcc.h (__stack_chk_guard): Declare.
12106         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12107         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12108         * mklibgcc.in (lib2funcs): Add them.
12109
12110 2005-07-01  Richard Henderson  <rth@redhat.com>
12111
12112         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12113         void * before struct sigcontext *.
12114         (x86_fallback_frame_state): Likewise.
12115
12116 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12117
12118         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12119
12120 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12121
12122         PR tree-opt/22269
12123         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12124         we check for SSA_NAME for.
12125
12126 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12127
12128         Fix PR tree-optimization/22071
12129
12130         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12131         function.
12132         (get_constraint_for_component_ref): Use it.
12133
12134 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12135
12136         PR other/22264
12137         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12138         print out the last new line.
12139
12140 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12141
12142         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12143         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12144         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12145         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12146         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12147         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12148         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12149         (enum reg_class): New member CC0_REGS.
12150         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12151         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12152         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12153         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12154         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12155         Adjust for register now described.
12156
12157 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12158
12159         PR target/22262
12160         * config/i386/i386.md (stack_protect_test_si,
12161         stack_protect_test_di): Add earlyclobber for scratch 3.
12162         * config/rs6000/rs6000.md (stack_protect_testsi,
12163         stack_protect_testdi): Add earlyclobber for scratch 3,
12164         remove earlyclobber from scratch 4.
12165
12166 Older entries for 2005 can be found in ChangeLog-2005.