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1 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR rtl-optimization/24899
4         * loop.c (strength_reduce): Don't reduce giv that is not always
5         computable and where add_val or mult_val can trap.
6
7         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
8
9 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
10
11         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
12         names of ms1-16-002 files.
13
14 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
15
16         PR driver/20425
17         * gcc.c (for_each_path): New function.
18         (add_to_obstack, file_at_path): New functions.
19         (struct file_at_path_info, struct add_to_obstack_info): New.
20         (build_search_list): Rewrite using for_each_path.  Constify struct
21         path_prefix pointer.  Add do_multi param.  Adjust all callers.
22         (find_a_file): Similarly, but just change existing param to bool.
23         (putenv_from_prefixes): Add do_multi param, make "paths" const.
24         (do_spec_path): Delete.
25         (struct spec_path_info): New.
26         (spec_path): New function.
27         (do_spec_1): Use for_each_path for %D and %I.
28         (find_file): Adjust for find_a_file changes.
29         (main): Search multilibs for specs.  Print multilib lib path for
30         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
31         (read_specs): Search multilibs for %include and %include_noerr.
32         (is_directory): Remove second string param.  Change last param
33         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
34         check path is a dir.  Update all callers.
35         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
36         * system.h (SMALL_ARG_MAX): Poison.
37         * config.gcc: Don't define SMALL_ARG_MAX.
38         * config.host: Likewise.
39         * config.build: Likewise.
40
41 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
42
43         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
44         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
45         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
46         simplify_logical): Move simplifications that do not require
47         additional infrastructure...
48         * simplify-rtx.c (simplify_unary_operation_1,
49         simplify_binary_operation_1): ... here.
50
51 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
52
53         PR 24823
54         * flow.c (mark_used_dest_regs): New function.
55         (mark_used_regs): Call mark_used_dest_regs.
56
57 2005-12-16  Jeff Law  <law@redhat.com>
58
59         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
60         represent a use and definition of the same SSA_NAME.
61
62 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
63             Janis Johnson  <janis187@us.ibm.com>
64             Ben Elliston  <bje@au.ibm.com>
65
66         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
67         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
68         * target.h (struct gcc_target): Add decimal_float_supported_p.
69         * targhooks.c (default_scalar_mode_supported_p): Handle
70         MODE_DECIMAL_FLOAT.
71         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
72         of inf, nan, finite, isinf and isnan.
73         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
74         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
75         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
76         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
77         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
78         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
79         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
80         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
81         Pedwarn if decimal floating point types are used.  Error if
82         decimal floating point is not supported by the target.
83         (finish_declspecs): Return type from DFP typespec_word.
84         * c-typeck.c (c_common_type): Choose the decimal floating point
85         type with the greater precision when determining a common type.
86         (convert_arguments): Warn if there is a mismatch between argument
87         and prototype for decimal float types.  Warn of conversions with
88         binary float types and of precision narrowing due to prototype.
89         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
90         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
91         (c_token_starts_declspecs): Likewise.
92         (c_parser_attributes): Likewise.
93         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
94         RID_DFLOAT64, RID_DFLOAT128.
95         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
96         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
97         (shorten_compare): Convert DFP/BFP operands to a common type.
98         (c_common_modes_and_builtins): Register built-in decimal float
99         types if the target supports them.
100         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
101         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
102         inf, nan, finite, isinf and isnan builtins.
103         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
104         (builtin_define_float_constants): Assert non-decimal radix.
105         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
106         Call builtin_define_decimal_float_constants for each type.
107         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
108         flags.  Use real_from_string3, which can handle binary or decimal
109         floats.
110         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
111         cts_dfloat64, cts_dfloat128.
112         * tree.c (build_common_tree_nodes_2): Add decimal float types.
113         * tree.h (enum tree_index): Add new enumeration values
114         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
115         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
116         (dfloat32_type_node): New macro.
117         (dfloat64_type_node, dfloat128_type_node): Likewise.
118         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
119         (dfloat128_ptr_type_node): Likewise.
120         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
121         bit decimal floating point types with "df", "dd" and "dl".
122         * c-format.h (enum format_lengths): Add new enumeration values
123         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
124         * c-format.c (printf_length_specs, scanf_length_specs): Add
125         entries for H, D, DD.
126         (print_char_table, scan_char_table): Use new entries.
127         (asm_fprintf_char_table, gcc_diag_char_table,
128         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
129         length arrays.
130         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
131         (DECIMAL64_TYPE_SIZE): Likewise.
132         (DECIMAL128_TYPE_SIZE): Likewise.
133         (TARGET_DEC_EVAL_METHOD): Likewise.
134         * doc/extend.texi (Decimal Float): New node.
135         (Constructing Calls): Document decimal float built-ins.
136         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
137         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
138         * ginclude/decfloat.h: New file.
139
140 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
141
142         * reload.c (find_reloads): Fix comment typo.
143         * recog.h (recog_memoized): Correct comment.
144
145 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
146
147         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
148         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
149         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
150         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
151         * doc/invoke.texi, doc/tm.texi: Fix typos.
152
153 2005-12-16  Ben Elliston  <bje@au.ibm.com>
154
155         * real.c (decimal_quad_format): Correct values for emin, emax.
156
157 2005-12-15  DJ Delorie  <dj@redhat.com>
158
159         * config/m32c/predicates.md (m32c_psi_scale): New.
160         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
161         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
162
163 2005-12-16  Jan Hubicka  <jh@suse.cz>
164
165         PR rtl-optimization/25224
166         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
167         tables.
168
169 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
170             Steven Bosscher <stevenb@suse.de>
171
172         * loop-invariant.c (df): New global variable.
173         (find_defs, check_dependencies, find_invariant_insn, record_uses,
174         find_invariants_bb, find_invariants_body, find_invariants,
175         find_invariants_to_move, move_invariants, free_inv_motion_data,
176         move_single_loop_invariants, move_loop_invariants): Do not pass df in
177         arguments.
178
179 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
180
181         * varasm.c (default_unique_section_1): Use special section
182         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
183
184 2005-12-16  Ben Elliston  <bje@au.ibm.com>
185
186         * doc/invoke.texi (Warning Options): Document -Walways-true being
187         enabled by -Wall.
188
189 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
190
191         PR other/25028
192         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
193         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
194         __floatunditf): Use #error if type sizes don't match requirements
195         of implementation.
196         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
197         as wider floating-point type.  Use #error if type sizes don't
198         match requirements of implementation.  Avoid overflow in computing
199         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
200         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
201         (__floatundisf, __floatundidf): Likewise.
202         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
203         * config/ia64/ia64.c (ia64_init_libfuncs): Use
204         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
205         TFmode-TImode conversions.
206         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
207
208 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
209
210         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
211         Use builtin_define_with_int_value() instead of
212         adding a new check for every new major FreeBSD version.
213
214 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
215
216         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
217
218 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
219
220         * config/arm/predicates.md (call_memory_operand): New.
221         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
222
223 2005-12-15  Andrew Haley  <aph@redhat.com>
224
225         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
226         against prev_cache_entry == NULL when moving a cache entry to the
227         head of the list.
228         
229 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
230
231         * config/mt/mt.c (mt_override_options): Require lower case
232         architectures.  Revert accidental default to ms2.
233         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
234         ENDFILE_SPEC): Require lower case architectures.  Revert default
235         to ms2.
236
237         * doc/invoke.texi (MT Options): Rename and update.
238         * doc/md.texi (MorphoTech family): Rename and update.
239
240 2005-12-15  Olivier Hainque  <hainque@adacore.com>
241
242         * stor-layout.c (layout_type): Don't complain about a too small
243         an array element type size compared to its alignment when the
244         size overflows.
245
246 2005-12-15  Jan Hubicka  <jh@suse.cz>
247
248         PR target/24969
249         * i386.c (classify_argument): Properly adjust offset of bitfield for
250         substructures.
251
252 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
253
254         * final.c (final_scan_insn): Flip in_cold_section_p when changing
255         between the hot and cold sections.  Use current_function_section
256         to get the new section.
257         * dwarf2out.c (output_line_info): Use in_cold_section_p to
258         determine whether we are assembling hot or cold code.
259         (secname_for_decl, dwarf2out_var_location): Likewise.
260         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
261         * varasm.c (last_text_section): Delete.
262         (in_cold_section_p): New variable.
263         (hot_function_section): New function.
264         (current_function_section): Pass in_cold_section_p as the
265         reloc argument to select_section.  Use it to decide between
266         unlikely_function_section and hot_function_section.
267         (assemble_start_function): Use switch_to_section.  Set
268         in_cold_section_p instead of last_text_section.
269         (assemble_end_function): Use switch_to_section.
270         (switch_to_section): Don't set last_text_section.
271         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
272         argument to make the right choice between hot and cold sections.
273
274 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
275
276         Second part of MS1->MT renaming
277         * config/mt/mt.md (doloop_end): Call mt_add_loop.
278         (movqi, movhi): Call mt_set_memflags.
279         (*movdf_internal): Call mt_split_words. 
280         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
281         mt_set_memflags.
282         (cmpsi): Store to mt_compare_op[01].
283         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
284         bungt, bunle, bunlt): Call mt_emit_cbranch.
285         (prologue): Call mt_expand_prologue.
286         (epilogu): Call mt_expend_epilogue.
287         (eh_return): Call mt_expand_eh_return.
288         (eh_epilogue): Call me_emit_eh_epilogue.
289         (conditional_trap): Store to mt_compare_op[01].
290         * config/mt/crti.asm: Adjust comment.
291         * config/mt/crtn.asm: Adjust comment.
292         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
293         (mt_compare_op0, mt_compare_op1): Renamed.
294         (current_frame_info, zero_frame_info): Adjust type.
295         (mt_ucmpsi3_libcall): Renamed.
296         (mt_flag_delayed_branch): Renamed.
297         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
298         (mt_nops_required, mt_nop_reasons): Renamed.
299         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
300         mt_debug_stack, mt_print_operand_simple_address,
301         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
302         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
303         mt_function_arg_advance, mt_arg_partial_bytes,
304         mt_pass_by_reference, mt_function_arg_boundary,
305         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
306         mt_legitimate_address_p): Renamed, adjusted.
307         (mt_cpu): Renamed.
308         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
309         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
310         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
311         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
312         mt_expand_eh_return, mt_emit_eh_prologue,
313         mt_handl_interrupt_attribute): Renamed, adjusted.
314         (mt_attribute_table): Renamed, adjusted.
315         (mt_initial_elimination_offset, mt_generate_compare,
316         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
317         mt_secondary_reload_class, mt_function_value, mt_split_words,
318         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
319         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
320         (mt_labels): Renamed.
321         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
322         mt_machine_reorg): Renamed, adjusted.
323         (mt_attribute_table: Renamed.
324         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
325         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
326         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
327         * config/mt/mt.opt (march): Set mt_cpu_string.
328         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
329         (TARGET_CPU_CPP_BUILTINS): Adjust.
330         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
331         TARGET_MS2): Adjust.
332         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
333         (MT_MIN_INT): Renamed.
334         (RETURN_ADDR_RTX): Adjust.
335         (struct mt_frame_info): Renamed.
336         (current_frame_info): Adjust type.
337         (INITIAL_ELIMINATION_OFFSET): Adjust.
338         (MT_NUM_ARG_REGS): Renamed.
339         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
340         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
341         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
342         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
343         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
344         (mt_compare_op0, mt_compare_op1): Renamed.
345         * config/mt/mt-protos.h: Rename prototypes.
346
347 2005-12-15  Richard Guenther  <rguenther@suse.de>
348
349         * tree-flow.h (okay_component_ref_for_subvars): Remove.
350         (get_ref_base_and_extent): Declare.
351         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
352         (get_ref_base_and_extent): New function.
353         * tree-ssa-alias.c (find_used_portions): Use it.
354         * tree-ssa-structalias.c (get_constraint_for_component_ref):
355         Likewise.
356         * tree-ssa-operands.c (get_expr_operands): Likewise.
357
358 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
359
360         * combine.c: Remove force_to_mode's fourth parameter.
361         (force_to_mode): Do not handle REG.
362         (canon_reg_for_combine): New.
363         (make_field_assignment): Use it where the removed argument was non-NULL.
364
365 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
366
367         PR target/25406
368         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
369         error_mark_node.  Make alignment params unsigned.
370         * config/rs6000/rs6000-protos.h
371         (rs6000_special_round_type_align): Update prototype.
372         (rs6000_machopic_legitimize_pic_address): Remove arg names.
373
374 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         PR rtl-optimization/25310
377         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
378         of the eliminable register when substituting into a PLUS.
379
380 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
381
382         PR debug/25023
383         * config/i386/i386.c (ix86_force_to_memory): Always use
384         SImode push for HImode in -m32.
385         (ix86_free_from_memory): Likewise.
386
387 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
388
389         * gcc/config/arm/arm.md: Provide a big-endian version of the
390         (zero_extend:SI (subreg:QI ...)) splitter.
391
392 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
393
394         * struct-equiv.c (note_local_live): Handle hard regs with different
395         hard_regno_nregs.
396
397 2005-12-14  Jeff Law  <law@redhat.com>
398
399         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
400         to a structure containing state rather than a pointer to bool.
401         (case ARRAY_REF): New code to handle folding some array references.
402         (case ADDR_EXPR): Note when we are processing expressions found
403         within an ADDRE_EXPR.
404         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
405         for state variables rather than just a pointer to a boolean.
406         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
407         handling of constant string references.
408
409 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
410
411         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
412         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
413         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
414         Move other tst* patterns to retain partial order.
415
416 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
417
418         * config/s390/s390.md ("d0", "1"): New mode attributes.
419         ("<shift>di3", "<shift>si3"): Merge.
420         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
421         ("ashrdi3", "ashrsi3"): Merge.
422         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
423         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
424         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
425         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
426         ("*ashrdi3", "*ashrsi3"): Merge.
427         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
428
429 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
430
431         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
432         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
433         ("*extendqidi2", "*extendqisi2") Merge.
434         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
435         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
436         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
437         Move some patterns to retain partial ordering.
438
439 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
440
441         * config/s390/s390.md ("atype", "length"): Rewrite.
442         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
443
444 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
445
446         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
447
448 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
449
450         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
451         PARALLELs with a mode.
452
453 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
454
455         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
456         cond_expr parameter.
457
458 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
459
460         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
461
462 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
463
464         PR bootstrap/25397:
465
466         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
467         of STACK_REGS bits.
468
469         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
470
471 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
472
473         PR target/25254
474         PR target/24188
475         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
476         DECL_P, call get_section rather than get_named_section.  Supply
477         section flags to it.
478
479 2005-12-14  Ben Elliston  <bje@au.ibm.com>
480
481         * c-common.c (c_common_truthvalue_conversion): Generalise warning
482         for addresses converted to booleans; not just function addresses.
483         * c-typeck.c (build_binary_op): Warn for address comparisons which
484         can never be NULL (eg. func == NULL or &var == NULL).
485         * common.opt (Walways-true): New option.
486         * c-opts.c (c_common_handle_option): Set it with -Wall.
487         * doc/invoke.texi: Document it.
488
489 2005-12-13  Paul Brook  <paul@codesourcery.com>
490
491         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
492         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
493
494 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
495
496         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
497         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
498
499         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
500         (EXTRA_MULTILIB_PARTS): Define.
501
502 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
503
504         PR rtl-optimization/20070 / part1
505         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
506         count_or_remove_death_notes with kill == -1.
507         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
508         registers if PROP_POST_REGSTACK is set.
509         (mark_used_reg): Likewise.
510         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
511         REG_UNUSED notes for stack regs.
512         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
513         to match rtx_equiv_p machinery.  Change caller.
514         (outgoing_edges_match): Likewise.
515         (try_crossjump_to_edge): Use struct_equiv_block_eq
516         instead of flow_find_cross_jump.
517         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
518         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
519         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
520         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
521         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
522         (insns_match_p): Update prototype.
523         (flow_find_cross_jump): Remove prototype.
524         (struct_equiv_block_eq, struct_equiv_init): Declare.
525         (rtx_equiv_p, condjump_equiv_p): Likewise.
526         * struct-equiv.c: Include reload.h.
527         (IMPOSSIBLE_MOVE_FACTOR): Define.
528         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
529         (struct_equiv_improve_checkpoint): Likewise.
530         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
531         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
532         (struct_equiv_merge, find_dying_input): Likewise.
533         (resolve_input_conflict, note_local_live): Likewise.
534         (death_notes_match_p): Change parameters and processing
535         to match rtx_equiv_p machinery.  Change caller.
536         (insns_match_p): Likewise.
537         (flow_find_cross_jump): Replace with:
538         (struct_equiv_block_eq).
539
540         Back out this change:
541         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
542           * recog.c (verify_changes): Make it static.
543           * recog.h: Remove the corresponding prototype.
544
545 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
546
547         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
548         values.
549
550 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
551
552         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
553         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
554         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
555         TARGET_MS1_64_001 appropriately.
556         (ms1_machine_reorg): Use TARGET_MS2.
557
558 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
559
560         PR debug/25023
561         PR target/25293
562         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
563         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
564         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
565         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
566         Set mode to SI, adjust constraints.
567         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
568         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
569         32-bit code.
570
571 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
572
573         * c-cppbuiltin.c (builtin_define_float_constants): Add
574         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
575         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
576         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
577         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
578         to "((double)%sL)" otherwise "%s".
579
580 2005-12-13  Paul Brook  <paul@codesourcery.com>
581
582         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
583         apcs/atpcs.
584
585 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
586
587         * tree-flow.h: Allow compilation with a C++ compiler.
588         (struct edge_prediction): Prefix all field names  with "ep_".
589         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
590         (tree_predict_edge, combine_predictions_for_bb): Likewise.
591         (remove_predictions_associated_with_edge): Likewise.
592         
593 2005-12-12  Jeff Law  <law@redhat.com>
594
595         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
596         reassociation code.
597         * passes.c (init_optimization_passes): Run reassociation again
598         after loop optimizations.
599
600 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
601
602         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
603         if necessary.
604         (optimize_stmt): Ditto.
605         (canonicalize_comparison): New function.
606         * tree-ssa-operands.c (swap_tree_operands): Make external.
607         (get_expr_operands): Stop auto-canonicalization.
608         * tree-ssa-reassoc.c: Rewrite.
609         (init_optimization_passes): 
610         * tree-flow.h (swap_tree_operands): Prototype.
611         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
612
613 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
614
615         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
616         indicate function epilogue has been output.
617         (pa_asm_output_mi_thunk): Likewise.
618         (output_deferred_plabels): Put plabels in readonly data section when
619         not generating PIC code.
620         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
621         information.  Add assert.
622         (som_output_comdat_data_section_asm_op): New function.
623         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
624         instead of output_section_asm_op for COMDAT sections.
625
626 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
627
628         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
629         Fix whitespace in vincinity of to-be-installed changes.
630         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
631         (insns_match_p): Likewise.
632
633 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
634
635         * config.gcc (ms1): Replace with ...
636         (mt): ... this.
637         * config/ms1: Rename to ...
638         * config/mt: ... here.  Rename ms1 files to mt.
639         * config/mt/mt.c: Adjust gt-mt.h #include.
640         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
641         (crti.o, crtn.o): Adjust file names.
642
643 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
644
645         * varray.h: Allow compilation with a C++ compiler.
646         (union varray_data_tag): Prefix all field names with "vdt_".
647         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
648         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
649         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
650         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
651         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
652         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
653         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
654         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
655         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
656         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
657         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
658         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
659         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
660         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
661         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
662         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
663         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
664         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
665         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
666         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
667         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
668         VARRAY_TOP_TREE_PTR): Likewise.
669         * varray.c (varray_grow): Likewise.
670         (varray_clear): Likewise.
671
672 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
673
674         PR target/25299
675         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
676         alignment to doubleword if the first field is a double array.
677         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
678
679 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
680
681         * tree-ssa-structalias.c (process_constraint): Remove code to
682         transform addressofs into scalar.
683         (create_variable_info_for): In whole-program IPA, globals don't
684         point to ANYTHING by default.
685
686 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
687
688         * timevar.def (TV_IPA_PTA): New.
689         * tree-pass.h (pass_ipa_pta): New
690         * tree-ssa-structalias.c: Include cgraph.h
691         (in_ipa_mode): New.
692         (predbitmap_obstack): New.
693         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
694         (struct constraint_stats): Add num_edges.
695         (new_var_info): Don't call bitmap_clear.
696         (struct constraint_edge): Update docs.
697         (new_constraint_edge): Remove src param.
698         (struct constraint_graph): Add zero_weight_succs,
699         zero_weight_preds.  Update docs.
700         (constraint_expr_equal): Reformat.
701         (constraint_edge_equal): Update for removal of src.
702         (constraint_edge_less): Ditto.
703         (constraint_edge_vec_find): Ditto.
704         (erase_graph_self_edge): Update for removal of src and and zero
705         weight bitmap.
706         (clear_edges_for_node): Ditto.
707         (add_graph_edge): Ditto.
708         (get_graph_weights): Ditto.
709         (allocate_graph_weights): Ditto.
710         (merge_graph_nodes): Ditto.
711         (int_add_graph_edge): Ditto.
712         (valid_graph_edge): Ditto.
713         (valid_weighted_graph_edge): Ditto.
714         (build_constraint_graph): Ditto.
715         (scc_visit): Ditto.
716         (collapse_nodes): Ditto.
717         (process_unification_queue): Ditto.
718         (topo_visit): Ditto.
719         (solve_graph): Ditto.
720         (do_structure_copy): Ditto.
721         (perform_var_substitution): Ditto.
722         Init and release obstack.
723         (handle_ptr_arith): Try to resolve directly.
724         (find_func_aliases): Don't call update_alias_info here
725         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
726         (do_sd_constraint): Add code for propagating faster.
727         Update.
728         (do_ds_constraint): Ditto.
729         (count_num_arguments): New function.
730         (create_function_info_for): Ditto.
731         (create_variable_info_for): Handle FUNCTION_DECL.
732         (intra_create_variable_infos): Use make_constraint_to_anything.
733         (init_alias_vars): Init obstacks here.
734         (need_to_solve): Handle zero weight graph changes.
735         (compute_points_to_sets): Call update_alias_info here.
736         (delete_points_to_sets): Free zero weight preds/succs here.
737         (gate_ipa_pta): New.
738         (ipa_pta_execute): New
739
740 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
741
742         * tree-ssa-structalias.c (var_anyoffset): Removed.
743         (anyoffset_tree): Ditto.
744         (anyoffset_id): Ditto.
745         (do_deref): Take vector of constraints, no return value.
746         Update to work on vector.                
747         (get_constraint_for): Ditto.
748         (get_constraint_for_component_ref): Ditto.
749         (do_structure_copy): Ditto.
750         (handle_ptr_arith): Ditto.
751         (find_func_aliases): Ditto.
752         (set_uids_in_ptset): Remove anyoffset handling.
753         (init_base_vars): Ditto.
754
755 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
756
757         PR c++/25010
758         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
759         DECL_EXTERNAL functions have no bodies.  Tidy.
760
761 2005-12-10  Andreas Schwab  <schwab@suse.de>
762
763         * except.c (switch_to_exception_section): Only define if
764         TARGET_UNWIND_INFO is not defined.
765
766 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
767
768         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
769         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
770
771 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
772
773         * output.h (init_section, fini_section): Delete.
774         * varasm.c (init_section, fini_section): Delete.
775         (init_varasm_once): Don't initialize them.
776         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
777         there are no corresponding varasm.c variables.
778
779 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
780
781         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
782         of EH_FRAME_SECTION_NAME into...
783         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
784         if it is still null.
785         * except.c (default_exception_section): Delete, moving most
786         of the code to...
787         (switch_to_exception_section): ...this new function.  Set
788         exception_section if it is still null, then switch to it.
789         (output_function_exception_table): Use switch_to_exception_section.
790         * varasm.c (exception_section, eh_frame_section): Update comments.
791         (get_section): Hoist use of SECTION_NAMED.
792         (init_varasm_once): Don't set exception_section and eh_frame_section.
793         * output.h (default_exception_section): Delete.
794         (default_eh_frame_section): Delete.
795
796 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
797
798         * config/bfin/bfin.c: Include "cgraph.h".
799         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
800         Return the reg that holds the pointer to the GOT.
801         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
802         doing stack checking.
803
804 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
805
806         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
807         recompute_tree_invarant_for_addr_expr.
808         Update uses everywhere.
809
810 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
811
812         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
813         (MULTILIB_DIRNAMES): Define.
814
815 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
816
817         PR target/25311
818         * config/s390/s390.c (struct s390_address): New field literal_pool.
819         (s390_decompose_address): Compute literal_pool field.  Do not 
820         assume register %r13 is always (and solely) used as pool base.
821         (s390_extra_constraint_str): Use literal_pool field.
822
823 2005-12-09  Thiemo Seufer  <ths@networkno.de>
824
825         * config/mips/mips.c (override_options): Don't allow too small
826         integers in FP registers.
827
828 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
829
830         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
831         targetm.binds_local_p to check for local function calls.
832
833 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
834
835         PR debug/24908
836         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
837         call_used_regs can't be used to save reg in another reg.
838
839 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
840             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
841
842         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
843         abort.
844         * except.c (output_ttype): Likewise.
845         * tree-object-size.c (collect_object_sizes_for): Likewise.
846         (check_for_plus_in_loops_1): Likewise.
847         (check_for_plus_in_loops): Likewise.
848         (compute_object_sizes): Use gcc_unreachable instead of abort.
849
850 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
851
852         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
853         (loop_end, loop_init, doloop_end): New insns.
854         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
855         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
856         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
857         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
858         * config/ms1/ms1.c: #include basic-block.h
859         (struct machine_function): Add has_loops field.
860         (ms1_add_loop): New.
861         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
862         (struct loop_info, struct loop_work): New.
863         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
864         (ms1_reorg_loops): New loop optimization.
865         (ms1_machine_reorg): Call it.
866         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
867
868 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
869
870         PR tree-optimization/25248
871         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
872         evolution_of_loop from the failed attempt.  Remove handling
873         of MULT_EXPR.
874
875 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
876
877         * tree.h (DECL_EXTERNAL): Clarify documentation.
878
879 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
880             Jakub Jelinek  <jakub@redhat.com>
881
882         PR target/25268
883         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
884         argument.  Don't drop outer ANDs.
885         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
886         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
887         prototype.
888         * config/s390/predicates.md (setmem_operand): Remove.
889         (shift_count_operand): Rename to...
890         (shift_count_or_setmem_operand): ... this.  Adjust
891         s390_decompose_shift_count caller.
892         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
893         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
894         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
895         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
896         rotl<mode>3_and, setmem_long_and): New insns.
897         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
898         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
899         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
900         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
901         of shift_count_operand.
902         (setmem_long): Use shift_count_or_setmem_operand instead of
903         setmem_operand.
904
905 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
906             Andreas Tobler  <a.tobler@schweiz.ch>
907
908         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
909         tr expression.
910
911 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
912
913         * expr.c (force_operand): Use convert_to_mode for conversions.
914
915 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
916
917         * reload.h (reg_equiv_invariant): Declare.
918         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
919         register also when reg_equiv_invariant[R] is set.
920
921 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
922             Andreas Tobler  <a.tobler@schweiz.ch>
923
924         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
925
926 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
927
928         * tree-ssa-pre.c (bitmap_set_and): New function.
929         (bitmap_set_and_compl): New function.
930         (bitmap_set_empty_p): New function.
931         (insert_extra_phis): New function.
932         (compute_avail): Use insert_extra_phis.
933
934 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
935
936         * config/s390/s390.c (s390_expand_atomic): New function.
937         Adjust comment of helper functions.
938         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
939         * config/s390/s390.md ("ATOMIC"): New code macro.
940         ("atomic"): Corresponding new code attribute.
941         ("sync_lock_test_and_set[hq]i", 
942         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
943
944 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
945
946         * config/s390/s390.c (s390_expand_mask_and_shift, 
947         struct alignment_context, init_alignment_context, 
948         s390_expand_cs_hqi): New.
949         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
950         * config/s390/s390.md ("sync_compare_and_swaphi",
951         "sync_compare_and_swapqi"): New pattern.
952
953 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
954
955         Fix PR tree-optimization/25291
956         * tree-ssa-operands.c (add_call_clobber_ops): Remove
957         redundant and crashing check.
958
959 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
960
961         PR target/25212
962         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
963         tests further when !strict && reload_in_progress.
964         (print_operand): Check that both operands of indexed address are regs.
965         (print_operand_address): Likewise.
966         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
967         (INT_REG_OK_FOR_BASE_P): Correct.
968
969 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
970
971         Preparation for PR rtl-optimization/20070 / part1
972         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
973         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
974         outgoing_edges_match.
975         (outgoing_edges_match): Use condjump_equiv_p.
976         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
977         into..
978         * struct-equiv.c: New file.
979         (death_notes_match_p) New function, broken out of insns_match_p.
980         * Makefile.in (OBJS-common): Add struct-equiv.o.
981         (struct-equiv.o): New target.
982
983 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
984
985         * coretypes.h: Revert previous change.
986         * config/darwin.h: Revert previous reversion.
987         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
988
989 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
990
991         * coretypes.h (section): Provide dummy definition for target files.
992         * config/darwin.h: Revert previous change.
993
994 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
995
996         * doc/sourcebuild.texi (all.build, install-normal): Remove.
997         * configure.ac: Remove all.build and install-normal from target_list
998         * configure: Regenerate.
999         * Makefile.in (install): Don't depend on install-normal.
1000
1001 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1002
1003         * Makefile.in: Document the use of stamps.
1004
1005 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1006
1007         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1008         * Makefile.in: Add code to compute some dependencies on s-gtype
1009         automatically.  Remove the declaration of those dependencies.
1010
1011 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1012
1013         * gcc/reload.c (push_secondary_reload): Fix typo:
1014         s/insn_constraint/scratch_constraint/.
1015
1016 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1017
1018         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1019
1020 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1021
1022         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1023         (alpha_elf_select_rtx_section): Return the selected section rather
1024         than emitting assembly code.
1025         (alpha_write_linkage): Emit a ".link" directive directly and then
1026         set in_section to NULL.
1027         (vms_asm_out_constructor): Use switch_to_section.
1028         (vms_asm_out_destructor): Likewise.
1029         (unicosmk_output_common): Set in_section to NULL instead of calling
1030         the dummy common_section function.
1031         (unicosmk_text_section): Delete in favor of...
1032         (unicosmk_output_text_section_asm_op): ...this new function.
1033         (unicosmk_data_section): Delete in favor of...
1034         (unicosmk_output_data_section_asm_op): ...this new function.
1035         (unicosmk_init_sections): New function.
1036         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1037         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1038         the dummy ssib_section function.
1039         (unicosmk_section_buf): Delete.
1040         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1041         (unicosmk_data_section): Delete.
1042         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1043         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1044         (SECTION_FUNCTION_TEMPLATE): Delete.
1045         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1046         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1047         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1048         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1049         (TARGET_ASM_INIT_SECTIONS): Define.
1050         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1051         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1052         (link_section, literals_section): Delete.
1053         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1054         set in_section to NULL.
1055
1056         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1057         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1058         (COMMON_SECTION): Delete.
1059         (TARGET_ASM_INIT_SECTIONS): Define.
1060         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1061         the dummy common_section function.
1062         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1063         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1064         between readonly_data_section and text_section to check whether
1065         read-only data is being put in the text section.
1066         (arm_output_function_epilogue): Use switch_to_section.
1067         (arm_elf_asm_constructor): Likewise.
1068         (thumb_call_via_reg): Replace call to in_text_section with
1069         a comparison between in_section and text_section.
1070         (arm_file_end): Use switch_to_section.
1071         (aof_text_section): Delete in favor of...
1072         (aof_output_text_section_asm_op): ...this new function.
1073         (aof_data_section): Delete in favor of...
1074         (aof_output_data_section_asm_op): ...this new function.
1075         (aof_asm_init_sections): New function.
1076         (zero_init_section): Moved from config/arm/aof.h.
1077         (aof_dump_imports, aof_file_start): Use switch_to_section.
1078         * config/arm/arm.h (thumb_call_via_label): Update comment.
1079         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1080         (common_section): Delete.
1081         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1082         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1083         global switch_to_section function instead of the old port-local one.
1084         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1085         (SWITCH_TO_SECTION_FUNCTION): Delete.
1086         (drectve_section): Redefine as a macro.
1087         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1088         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1089         switch_to_section.
1090
1091         * config/avr/avr.c (progmem_section): New variable.
1092         (avr_output_progmem_section_asm_op): New function.
1093         (avr_asm_init_sections): New function.
1094         (avr_output_addr_vec_elt): Use switch_to_section.
1095         * config/avr/avr.h (progmem_section): Declare.
1096         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1097         (READONLY_DATA_SECTION): Delete.
1098         (TARGET_ASM_INIT_SECTIONS): Define.
1099         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1100         * config/avr/avr-protos.h (progmem_section): Delete.
1101
1102         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1103
1104         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1105         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1106
1107         * config/darwin-sections.def: New file.
1108         * config/darwin.c: Define all sections in darwin-sections.def.
1109         (output_objc_section_asm_op, darwin_init_sections): New functions.
1110         (machopic_output_indirection): Use switch_to_section.
1111         (machopic_select_section): Return the selected section rather than
1112         emitting assembly code.  Replace the static function table with
1113         inline conditional expressions.  Update the tests of last_text_section
1114         and move them into the FUNCTION_DECL block.
1115         (machopic_select_rtx_section): Return the selected section rather than
1116         emitting assembly code.
1117         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1118         (darwin_file_end): Use switch_to_section.
1119         * config/darwin.h: Use darwin-sections.def to declare sections.
1120         (INIT_SECTION_ASM_OP): Remove empty definition.
1121         (HAS_INIT_SECTION): Define this instead.
1122         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1123         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1124         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1125         (TARGET_ASM_INIT_SECTIONS): Define.
1126         * config/darwin-protos.h (darwin_init_sections): Declare.
1127         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1128         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1129         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1130         (constructor_section, destructor_section, mod_init_section): Delete.
1131         (mod_term_section): Delete.
1132         (darwin_exception_section, darwin_eh_frame_section): Delete.
1133         (machopic_select_section): Return a section.
1134         (machopic_select_rtx_section): Likewise.
1135         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1136         (const_section, const_coal_section, const_data_section): Delete.
1137         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1138         (literal4_section, literal8_section, constructor_section): Delete.
1139         (mod_init_section, mod_term_section, destructor_section): Delete.
1140         (objc_class_section, objc_meta_class_section, objc_category_section)
1141         (objc_class_vars_section, objc_instance_vars_section): Delete.
1142         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1143         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1144         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1145         (objc_symbols_section, objc_module_info_section): Delete.
1146         (objc_image_info_section, objc_protocol_section): Delete.
1147         (objc_string_object_section, objc_constant_string_object_section)
1148         (objc_class_names_section, objc_meth_var_names_section): Delete.
1149         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1150         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1151         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1152         (darwin_exception_section, darwin_eh_frame_section): Delete.
1153         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1154
1155         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1156         (frv_asm_out_destructor): Likewise.
1157         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1158         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1159         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1160         get_named_section.
1161         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1162         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1163         (data_section): Delete.
1164
1165         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1166         (DRECTVE_SECTION_FUNCTION): Delete.
1167         (drectve_section): Redefine as a macro that sets in_section after
1168         emitting the directive.
1169         (SWITCH_TO_SECTION_FUNCTION): Delete.
1170         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1171         in_text_section with comparison between in_section and text_section.
1172         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1173         rather than emitting assembly code.  Use get_named_section.
1174         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1175         get_named_section.
1176         (machopic_output_stub): Use switch_to_section.
1177         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1178         (nwld_named_section_asm_out_destructor): Use get_section and
1179         switch_to_section.
1180
1181         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1182         rather than emitting assembly code.
1183         (ia64_rwreloc_select_section): Likewise.
1184         (ia64_rwreloc_select_rtx_section): Likewise.
1185         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1186         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1187         switch_to_section.
1188         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1189         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1190
1191         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1192         section rather than emitting assembly code.
1193         (iq2000_select_section): Likewise.
1194         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1195         (sbss_section): Delete.
1196
1197         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1198         and get_named_section.
1199         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1200
1201         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1202         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1203         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1204         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1205         in_section to NULL.
1206         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1207         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1208         global switch_to_section function instead of the old port-local one.
1209         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1210         (SWITCH_SECTION_FUNCTION): Delete.
1211         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1212         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1213         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1214         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1215         in_section to NULL.
1216         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1217         global switch_to_section function instead of the old port-local one.
1218         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1219
1220         * config/mips/mips.c (mips_file_start): Update comment.
1221         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1222         (mips_output_aligned_decl_common): Use switch_to_section.
1223         (mips_select_rtx_section): Return the section rather than emitting
1224         assembly code.  Use get_named_section.
1225         (mips_function_rodata_section: Likewise get_section.
1226         (build_mips16_function_stub): Use switch_to_section.
1227         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1228         (SDATA_SECTION_ASM_OP): Delete.
1229         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1230         (EXTRA_SECTION_FUNCTIONS): Delete.
1231
1232         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1233         (mmix_asm_output_aligned_local): Use switch_to_section.
1234
1235         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1236         (som_one_only_readonly_data_section): New variables.
1237         (pa_output_function_epilogue): Set in_section to NULL instead of
1238         calling forget_section.
1239         (output_deferred_plabels): Use select_section.
1240         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1241         of calling forget_section.
1242         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1243         (pa_asm_output_aligned_local): Use select_section.
1244         (som_text_section_asm_op): Delete in favor of...
1245         (som_output_text_section_asm_op): ...this new function.
1246         (pa_som_asm_init_sections): New function.
1247         (pa_select_section): Return the section rather than emitting
1248         assembly code.
1249         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1250         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1251         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1252         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1253         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1254         (som_readonly_data_section, som_one_only_readonly_data_section)
1255         (som_one_only_data_section, forget_section): Delete.
1256         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1257         (TARGET_ASM_INIT_SECTIONS): Define.
1258         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1259
1260         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1261         (private_data_section, read_only_private_data_section): New variables.
1262         (sdata2_section, toc_section): New variables.
1263         (rs6000_file_start): Use switch_to_section.
1264         (rs6000_assemble_integer): Use comparisons against in_section
1265         instead of calling in_toc_section and in_text_section.  Use
1266         unlikely_text_section_p.
1267         (rs6000_elf_output_toc_section_asm_op): New function, derived
1268         from the old rs6000/sysv4.h toc_section function.
1269         (rs6000_elf_asm_init_sections): New function.
1270         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1271         the section rather than emitting assembly code.
1272         (machopic_output_stub): Use switch_to_section.
1273         (toc_section): Delete dummy function.
1274         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1275         switch_to_section and get_section.
1276         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1277         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1278         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1279         the old rs6000/xcoff.h toc_section function.
1280         (rs6000_xcoff_asm_init_sections): New function.
1281         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1282         the section rather than emitting assembly code.
1283         (rs6000_xcoff_file_start): Use switch_to_section.
1284         (rs6000_xcoff_file_end): Likewise.
1285         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1286         (sdata2_section, sbss_section, private_data_section): Delete.
1287         (read_only_data_section, read_only_private_data_section): Delete.
1288         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1289         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1290         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1291         (FINI_SECTION_FUNCTION): Delete.
1292         (TARGET_ASM_INIT_SECTIONS): Define.
1293         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1294         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1295         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1296         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1297         (READONLY_DATA_SECTION): Delete.
1298         (TARGET_ASM_INIT_SECTIONS): Define.
1299         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1300         to NULL rather than no_section.
1301         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1302
1303         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1304
1305         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1306         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1307         from call to current_function_section.
1308
1309         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1310         (bss100_section): New variable.
1311         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1312         (xstormy16_asm_init_sections): New function.
1313         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1314         switch_to_section and get_section.
1315         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1316         from calls to current_function_section.
1317         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1318         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1319         (TARGET_ASM_INIT_SECTIONS): Define.
1320         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1321
1322         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1323         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1324         (FINI_SECTION_FUNCTION): Delete.
1325
1326         * config/v850/v850.c: Include gt-v850.h.
1327         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1328         (zbss_section): New variables.
1329         (v850_output_aligned_bss): Use switch_to_section.
1330         (v850_asm_init_sections): New function.
1331         (v850_select_section): Return the section rather than emitting
1332         assembly code.
1333         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1334         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1335         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1336         (TARGET_ASM_INIT_SECTIONS): Define.
1337         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1338         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1339         (zbss_section): Delete.
1340
1341         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1342
1343         * config/vx-common.h (vxworks_exception_section): Delete.
1344         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1345
1346         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1347         section rather than emitting assembly code.
1348         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1349         switch_to_section.
1350
1351         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1352         * coretypes.h (section): New union and typedef.
1353         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1354         from call to current_function_section.
1355         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1356         (dbxout_symbol_location): Use switch_to_section.
1357         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1358         most of the code into...
1359         (default_eh_frame_section): ...here.  Return a section.
1360         (collect2_eh_frame_section): Delete, moving most of the code into..
1361         (switch_to_eh_frame_section): ...this new function.
1362         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1363         (debug_macinfo_section, debug_line_section, debug_loc_section)
1364         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1365         variables.
1366         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1367         eh_frame_section.  Use switch_to_section and get_section.
1368         (dwarf2out_begin_prologue): Use switch_to_section.
1369         (AT_string_form): Check the flags in debug_str_section instead of
1370         DEBUG_STR_SECTION_FLAGS.
1371         (output_comp_unit): Use switch_to_section, get_section, and
1372         debug_info_section.
1373         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1374         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1375         from call to current_function_section.
1376         (dwarf2out_var_location): Use unlikely_text_section_p.
1377         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1378         from call to current_function_section.
1379         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1380         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1381         debug_macinfo_section.
1382         (dwarf2out_init): Initialize the new section variables.  Use them
1383         instead of calls to named_section_flags.  Use switch_to_section.
1384         (output_indirect_string): Use switch_to_section and debug_str_section.
1385         (dwarf2out_finish): Use switch_to_section and the new section
1386         variables.
1387         * except.c (default_exception_section): Return the section instead
1388         of emitting assembly code.
1389         (output_function_exception_table): Use the global exception_section
1390         variable instead of the target hook.  Use switch_to_section.  Remove
1391         argument from call to current_function_section.
1392         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1393         (shorten_branches): Use pointer comparisons to detect whether the
1394         text section is the same as readonly_data_section.
1395         (profile_function): Use switch_to_section.  Remove argument from
1396         call to current_function_section.
1397         (final_scan_insn): Likewise.  Update use of last_text_section.
1398         * gengtype.c (open_base_files): Add an include of output.h.
1399         * output.h (text_section, data_section, readonly_data_section)
1400         (ctors_section, dtors_section, bss_section, init_section)
1401         (fini_section, sdata_section): Turn into section pointers.
1402         (in_text_section, in_unlikely_text_section, exports_section)
1403         (drectve_section, named_section, mergeable_string_section)
1404         (last_text_section_name): Delete.
1405         (default_exception_section, default_eh_frame_section): Return sections.
1406         (SECTION_DECLARED, SECTION_NAMED): New macros.
1407         (SECTION_MACH_DEP): Bump value.
1408         (section_common, named_section, unnamed_section): New structures.
1409         (unnamed_section_callback): New typedef.
1410         (section): New union.
1411         (sbss_section, exception_section, eh_frame_section): New variables.
1412         (in_section, last_text_section): Turn into section pointers.
1413         (get_unnamed_section, get_section, get_named_section): New functions.
1414         (mergeable_constant_section, function_section): Return a section.
1415         (unlikely_text_section): Likewise.
1416         (current_function_section): Likewise.  Remove the decl argument.
1417         (unlikely_text_section_p, switch_to_section): New functions.
1418         (output_section_asm_op): New function.
1419         (set_named_section_flags, named_section_flags, named_section_real)
1420         (named_section_first_declaration): Delete.
1421         (default_select_section, default_elf_select_section): Return a section.
1422         (default_elf_select_section_1, default_function_rodata_section)
1423         (default_no_function_rodata_section, default_select_rtx_section)
1424         (default_elf_select_rtx_section): Likewise.
1425         * rtl.h (in_data_section): Delete.
1426         * sdbout.c (sdbout_one_type): Use switch_to_section.
1427         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1428         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1429         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1430         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1431         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1432         (TARGET_ASM_OUT): Update after above changes.
1433         * target.h (init_sections): New hook.
1434         (exception_section, eh_frame_section): Delete.
1435         (select_section, select_rtx_section, function_rodata_section): Return
1436         a section rather than emitting assembly code.
1437         * varasm.c (text_section, data_section, readonly_data_section)
1438         (ctors_section, dtors_section, bss_section, init_section)
1439         (fini_section): Turn into section pointers.
1440         (sdata_section, sbss_section, exception_section): New variables.
1441         (eh_frame_section): New variable.
1442         (in_section): Make global and turn into a section pointer.
1443         (last_text_section): Turn into a section pointer.
1444         (unnamed_sections): New variable.
1445         (in_named_name, last_text_section_name): Delete.
1446         (EXTRA_SECTION_FUNCTIONS): Delete.
1447         (in_named_entry): Delete.
1448         (section_htab): New variable, replacing...
1449         (in_named_htab): ...this deleted variable.
1450         (section_entry_eq, section_entry_hash): New functions, based on...
1451         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1452         (get_unnamed_section, get_section): New functions.
1453         (unlikely_text_section): Return a section instead of emitting
1454         assembly code.
1455         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1456         (get_named_section_flags, named_section_first_declaration): Delete.
1457         (unlikely_text_section_p): New function.
1458         (named_section_real, named_section): Delete.
1459         (get_named_section): New function.
1460         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1461         (function_section): Return a section rather than emitting
1462         assembly code.
1463         (current_function_section): Likewise.  Remove argument.  Use
1464         last_text_section if nonnull, otherwise use function_section.
1465         (default_function_rodata_section): Return a section rather than
1466         emitting assembly code.  Use get_section.
1467         (default_no_function_rodata_section): Return a section rather than
1468         emitting assembly code.
1469         (variable_section): Use switch_to_section and get_named_section.
1470         (mergeable_string_section): Return a section rather than emitting
1471         assembly code.  Use get_section.  Make static.  Don't take special
1472         countermeasures for empty strings.
1473         (mergeable_constant_section): Return a section rather than emitting
1474         assembly code.  Use get_section.
1475         (default_named_section_asm_out_destructor): Use switch_to_section
1476         and get_section.
1477         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1478         (default_named_section_asm_out_constructor): Use switch_to_section
1479         and get_section.
1480         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1481         (assemble_start_function): Likewise.  Set last_text_section to
1482         NULL rather than no_section.  Change the type of save_section.
1483         (assemble_zeros, assemble_variable): Use the section flags to detect
1484         whether or not a section is text.
1485         (assemble_static_space): Use switch_to_section.
1486         (assemble_trampoline_template): Likewise.
1487         (output_constant_def_contents): Use switch_to_section and
1488         get_named_section.
1489         (output_constant_pool_1): Use switch_to_section.  Use the section
1490         flags to see whether sections contain mergeable data.
1491         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1492         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1493         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1494         whether a section has already been declared.
1495         (default_select_section, default_elf_select_section): Return a
1496         section rather than emitting assembly code.
1497         (default_elf_select_section_1): Likewise.  Use bss_section for
1498         SECCAT_BSS if nonnull.  Use get_named_section.
1499         (default_select_rtx_section): Return a section rather than
1500         emitting assembly code.
1501         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1502         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1503         (output_section_asm_op, switch_to_section): New functions.
1504         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1505         get_named_section.
1506
1507         * doc/tm.texi: Expand the introduction to the sections documentation.
1508         (TRAMPOLINE_SECTION): Document new interface.
1509         (SDATA_SECTION_ASM_OP): Document new macro.
1510         (READONLY_DATA_SECTION): Delete.
1511         (SDATA_SECTION_ASM_OP): Document new macro.
1512         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1513         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1514         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1515         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1516         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1517
1518 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1519
1520         * gcc.c (init_gcc_specs): Match braces inside conditionally
1521         compiled strings.
1522
1523 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1524
1525         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1526
1527 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1528
1529         PR C++/24138
1530         * tree.c (integer_all_onesp): Always return true if all bits on.
1531
1532         * testsuite/g++.dg/init/array0.C: New.
1533
1534 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1535
1536         * doc/md.texi: Adapt to implementation.
1537
1538 2005-12-06  Andreas Schwab  <schwab@suse.de>
1539
1540         * opts.c (decode_options): Fix typo in message.
1541
1542 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1543
1544         PR other/13873
1545         * longlong.h: Merge PPC tests from upstream.
1546
1547 2005-12-06  Richard Guenther  <rguenther@suse.de>
1548
1549         * fold-const.c (fold_convert): Do not build and fold
1550         CONVERT_EXPR, but always use NOP_EXPR.
1551
1552 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1553
1554         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1555         __builtin_ia32_paddq and __builtin_ia32_subq.
1556         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1557         __builtin_ia32_pshufw.
1558         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1559
1560 2005-12-05  James E Wilson  <wilson@specifix.com>
1561
1562         PR target/24934
1563         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1564         is set.
1565
1566 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1567         
1568         * print-tree.c (print_node): Ditto.
1569         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1570         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1571         before accessing DECL_ARTIFICIAL. 
1572         Handle new tag tree codes.
1573         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1574         changes.
1575         (unmodifiable_var_p): Ditto.
1576         * tree-flow.h (mem_tag_kind): Remove.
1577         (struct var_ann_d): Remove mem_tag_kind member.
1578         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1579         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1580         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1581         (group_aliases): Ditto.
1582         (setup_pointers_and_addressables): Ditto.
1583         (is_escape_site): Ditto.                                          
1584         (may_alias_p): Ditto.
1585         (create_tag_raw): New function.
1586         (create_memory_tag): Use it.
1587         (dump_alias_info): Update for tags.
1588         (may_be_aliased): Ditto.
1589         (add_type_alias): Ditto.
1590         (new_type_alias): Ditto.
1591         (create_sft): Ditto.
1592         (create_structure_vars): Ditto.
1593         * tree-ssa-ccp.c (get_default_value): Ditto.
1594         * tree-ssa-operands.c (get_expr_operands): Ditto.
1595         (add_stmt_operand): Ditto.
1596         (add_call_clobber_ops): Remove duplicated condition.
1597         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1598         tags.
1599         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1600         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1601         * tree.c (init_ttree): Update structures for new tree codes.
1602         (tree_code_size): Update sizes for new tree codes.
1603         (make_node_stat): Don't try to set common things on minimal
1604         structures.
1605         (tree_node_structure): Update for tags.
1606         (is_global_var): Ditto.
1607         * tree.def: Add new tree codes.
1608         * tree.h (MTAG_P): New macro.
1609         (TREE_MEMORY_TAG_CHECK): Ditto.
1610         (SSA_VAR_P): Update for tags.
1611         (struct tree_memory_tag): New structure.
1612         (MTAG_GLOBAL): New macro.
1613         (union tree_node): Add memory tag member.
1614         * treestruct.def (TS_MEMORY_TAG): New.
1615         
1616 2005-12-05  Dale Johannesen  <dalej@apple.com>
1617
1618         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1619         what was approved (PR 24323).
1620
1621 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1622
1623         * doc/c-tree.texi (Function Bodies): Remove description of
1624         RETURN_INIT.
1625
1626 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1627
1628         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1629         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1630         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1631         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1632         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1633         __divxc3): Document.
1634
1635 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1636
1637         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1638         previous behaviour.
1639         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1640         hook_bool_void_false.
1641         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1642         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1643
1644         * config/darwin.c (machopic_select_section): It's not defined
1645         as weak if it's only marked as weak_import.
1646         
1647         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1648         Prototype.
1649
1650         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1651         A hidden weak object does bind locally.  Strong linkonce data
1652         counts like any other strong symbol for binding.
1653         (weak_finish_1): Don't specially handle weakrefs, they no longer
1654         arrive here.
1655         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1656         * c-common.c (handle_alias_attribute): Allow static aliases
1657         of variables.
1658         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1659         * gthr-dce.h: Make weakrefs static.
1660         * gthr-tpf.h: Likewise.
1661         * gthr-solaris.h: Likewise.
1662         * gthr-posix.h: Likewise.
1663         * gthr-posix95.h: Likewise.
1664         * config/darwin.c (darwin_encode_section_info): static weakref
1665         variables are not necessarily defined in this translation unit.
1666         * doc/extend.texi (Function Attributes): Mention that an alias
1667         attribute creates a definition for the thing it's attached to.
1668         Change the documentation for weakref to say that the thing
1669         it's attached to must be static.
1670
1671         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1672         we don't go into an infinite loop.
1673
1674 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1675
1676         * config/rs6000/predicates.md (logical_const_operand): Split
1677         out of logical_operand.
1678         (logical_operand): Use it.
1679         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1680         logical_const_operand.
1681
1682 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1683
1684         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1685         and IX86_BUILTIN_CMPNESS.
1686         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1687         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1688         * config/i386/i386.md (movti_internal): Correct type attribute.
1689         Simplify mode attribute.
1690         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1691         Correct type attribute.
1692         (absxf2): Correct operator.
1693         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1694         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1695         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1696         mode attribute.
1697         (sse2_vmsqrtv2df2): Correct mode attribute.
1698
1699 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1700
1701         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1702         16 bits. Provide insn pattern for this case.
1703
1704 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1705
1706         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1707         result.
1708         (__popcountDI2): Likewise.
1709
1710 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1711
1712         PR target/25166
1713         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1714         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1715         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1716         functions.
1717
1718 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1719
1720         * c-typeck.c (null_pointer_constant_p): New function.
1721         (build_conditional_expr, build_c_cast, convert_for_assignment,
1722         build_binary_op): Use it.
1723
1724 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1725
1726         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1727         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1728         CONVERT_EXPR.
1729         (check_function_arguments_recurse): Allow both NOP_EXPR and
1730         CONVERT_EXPR but check conversions preserve precision.
1731         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1732         but check conversions preserve precision.
1733         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1734         default case.
1735
1736 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1737
1738         PR c/7776
1739         * common.opt (Wstring-literal-comparison): New command line option.
1740         * c-opts.c (c_common_handle_option): Set it with -Wall.
1741         * c-typeck.c (parser_build_binary_op): Issue warning if either
1742         operand of a comparison operator is a string literal, except for
1743         testing equality or inequality against NULL.
1744
1745         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1746
1747 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1750         of building a NOP_EXPR.
1751         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1752         NOP_EXPR.
1753         * c-convert.c (convert): Use fold_convert instead of building
1754         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1755         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1756         #if 0 code.
1757         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1758         NOP_EXPR the same as CONVERT_EXPR.
1759         * c-typeck.c (build_function_call): Use fold_convert instead of
1760         building a NOP_EXPR directly.
1761         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1762
1763 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1764
1765         PR rtl-optimization/25197
1766         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1767         have a reg.
1768
1769 2005-12-02  Stuart Hastings  <stuart@apple.com>
1770
1771         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1772         warning.
1773
1774 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1775
1776         * c-typeck.c (default_function_array_conversion,
1777         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1778         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1779         orig_op2.  Don't check them for NOP_EXPR.
1780         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1781         around integer zero.
1782
1783 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1784
1785         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1786         toc_save_offset, toc_size, lr_size.
1787         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1788         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1789         Adjust for removal of unused rs6000_stack_t fields.
1790         (debug_stack_info): Adjust.
1791         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1792         first, and don't bother checking for set/inc of lr on sibcalls.
1793         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1794
1795 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR target/25199
1798         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1799         5 if operand 1 is not aligned.  Undo previous constraint change.
1800         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1801
1802 2005-12-02  Richard Guenther  <rguenther@suse.de>
1803
1804         * tree.h (build): Remove prototype.
1805         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1806         * tree.c (build): Remove.
1807         (build0_stat): Update comment.
1808
1809 2005-12-02  Richard Guenther  <rguenther@suse.de>
1810
1811         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1812         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1813         Likewise.
1814         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1815         maybe_fold_offset_to_component_ref): Likewise.
1816         * tree-ssa-dom.c (thread_across_edge,
1817         simplify_rhs_and_lookup_avail_expr,
1818         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1819         Likewise.
1820         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1821         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1822         lower_try_finally_switch): Likewise.
1823         * tree-if-conv.c (add_to_dst_predicate_list,
1824         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1825         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1826         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1827         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1828         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1829         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1830         gimplify_init_ctor_eval, gimplify_init_constructor,
1831         gimplify_variable_sized_compare, gimplify_boolean_expr,
1832         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1833         gimplify_expr, gimplify_body, gimplify_function_tree,
1834         force_gimple_operand): Likewise.
1835         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1836         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1837         mx_register_decls): Likewise.
1838         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1839         get_frame_field, finalize_nesting_tree_1): Likewise.
1840         * tree-inline.c (setup_one_parameter): Likewise.
1841         * tree-vect-transform.c (vectorizable_condition): Likewise.
1842         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1843         Likewise.
1844         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1845         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1846         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1847         * tree-chrec.h (build_polynomial_chrec): Likewise.
1848
1849 2005-12-02  Richard Guenther  <rguenther@suse.de>
1850
1851         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1852         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1853         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1854         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1855         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1856         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1857         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1858         Likewise.
1859         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1860         sh_adjust_unroll_max): Likewise.
1861         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1862         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1863         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1864         Likewise.
1865         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1866         Likewise.
1867         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1868         Likewise.
1869
1870 2005-12-02  Richard Guenther  <rguenther@suse.de>
1871
1872         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1873         simplify_cond_using_ranges): Use buildN instead of build.
1874         * tree-tailcall.c (adjust_accumulator_values,
1875         adjust_return_value): Likewise.
1876         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1877         generate_element_copy, generate_element_zero,
1878         generate_one_element_init): Likewise.
1879         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1880         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1881         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1882         perfect_nestify): Likewise.
1883
1884 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1885
1886         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1887
1888 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1889
1890         * ggc.h (GGC_RESIZEVEC): New.
1891
1892 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1893
1894         * gcc.c (execute): Improve readability.
1895
1896 2005-12-02  Richard Guenther  <rguenther@suse.de>
1897
1898         * tree-cfg.c (mark_used_vars): New function.
1899         (dump_function_to_file): Dump only used VAR_DECLs.
1900
1901 2005-12-02  Richard Guenther  <rguenther@suse.de>
1902
1903         * convert.c (convert_to_integer): Fix compare for nonpositive
1904         constant to use tree_int_cst_sgn <= 0.
1905
1906 2005-12-02  Richard Guenther  <rguenther@suse.de>
1907
1908         * convert.c (convert_to_integer): Use fold_convert instead
1909         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1910         instead of comparing against 0.  Use build_int_cst instead
1911         of converting integer_zero_node.
1912
1913 2005-12-02  Richard Guenther  <rguenther@suse.de>
1914
1915         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1916         and RROTATE_EXPR.
1917  
1918 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1919
1920         PR target/21017
1921         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1922         rotates.
1923
1924 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1925
1926         PR middle-end/25176
1927         * function.c (expand_function_end): Emit blockage for unwinder
1928         after return label.
1929
1930 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1931
1932         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1933         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1934         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1935         integer constant comparisons.
1936
1937 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1938             Janis Johnson  <janis187@us.ibm.com>
1939             David Edelsohn  <dje@watson.ibm.com>
1940             Ben Elliston  <bje@au.ibm.com>
1941
1942         * dfp.h, dfp.c: New files.
1943         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1944         (DECNUM_H): Likewise.
1945         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1946         (INCLUDES): Append $(DECNUMINC).
1947         (OBJS-common): Add dfp.o.
1948         (dfp.o): New rule.
1949         * real.h (EXP_BITS): Pinch one bit to ..
1950         (struct real_value): Add decimal field.
1951         (real_format): Change table size, update documentation.
1952         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1953         (real_from_string3): Declare.
1954         (decimal_single_format): Declare.
1955         (decimal_double_format): Declare.
1956         (decimal_quad_format): Declare.
1957         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1958         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1959         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1960         * real.c: Include dfp.h.
1961         (normalize): Early return for decimal floats.
1962         (do_add): Zero decimal field.
1963         (do_compare): Call do_decimal_compare for decimal floats.
1964         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1965         (real_arithmetic): Call decimal_real_arithmetic for decimal
1966         floating point operands.
1967         (real_identical): If a and b are of differing radix, return false.
1968         (real_to_integer): Call decimal_real_to_integer if the value is a
1969         decimal float.
1970         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1971         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1972         (real_to_hexadecimal): Place "N/A" in the return string for
1973         decimal float.
1974         (real_from_string3): New variant, given a mode.
1975         (real_maxval): Use decimal_real_maxval for decimal floats.
1976         (round_for_format): Use decimal_round_for_format for decimals.
1977         (real_convert): Use decimal_real_convert where appropriate.
1978         (significand_size): Handle base 10.
1979         (encode_decimal_single, decode_decimal_single,
1980         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1981         decode_decimal_quad): New functions.
1982         (decimal_single_format): New.
1983         (decimal_double_format): New.
1984         (decimal_quad_format): New.
1985         * machmode.def: Add SD, DD and TD decimal floating point modes.
1986         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1987         Include MODE_DECIMAL_FLOAT.
1988         (DECIMAL_FLOAT_MODE_P): New.
1989         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1990         * genmodes.c (struct mode_data): Add counter field.
1991         (struct mode_data): Update comment for format.
1992         (blank_mode): Initialise counter field.
1993         (new_mode): Increment counter field for each mode defined.
1994         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1995         using a format.
1996         (make_complex_modes): Handle modes containing `D'.
1997         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1998         (make_decimal_float_mode): New.
1999         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2000         (cmp_modes): Compare counter field if other characteristics
2001         similar.
2002         (emit_real_format_for_mode): Support formats for decimal floats.
2003         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2004         Document MODE_DECIMAL_FLOAT.
2005
2006 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2007
2008         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2009         Delete dead code.
2010
2011 2005-12-01  Richard Henderson  <rth@redhat.com>
2012
2013         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2014
2015 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2016
2017         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2018
2019         * config/pa/pa.c (pa_init_builtins): If we detect
2020         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2021         putc_unlocked.
2022
2023 2005-12-01  Richard Guenther  <rguenther@suse.de>
2024
2025         * fold-const.c (fold_binary): Use fold_build2, not
2026         fold (build (...)).
2027
2028 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2029
2030         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2031
2032         * vec.h (VEC_block_remove): New.
2033
2034 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2035
2036         PR c/13384
2037         * c-common.c (lvalue_error): Fix wording.
2038
2039 2005-12-01  Richard Guenther  <rguenther@suse.de>
2040
2041         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2042         thinko in last patch.
2043
2044 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2045
2046         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2047         than -flat_namespace.
2048
2049 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2050
2051         * mklibgcc.in: Parameterise the script to build soft float
2052         functions by iterating over each type, rather than cloning the
2053         code for each type.
2054
2055 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2056
2057         PR middle-end/25158
2058         * builtins.c (fold_builtin_fputs): Defer check for missing
2059         replacement functions.
2060
2061 2005-11-30  Kean Johnston  <jkj@sco.com>
2062
2063         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2064         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2065
2066 2005-11-30  Richard Guenther  <rguenther@suse.de>
2067
2068         PR tree-optimization/22501
2069         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2070         function split out from ...
2071         (forward_propagate_addr_expr): ... here.  Use it to propagate
2072         ADDR_EXPRs to all uses.
2073
2074 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2075
2076         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2077         * builtins.c (expand_builtin_mathfn): Use them.
2078         (expand_builtin_mathfn_2): Likewise.
2079         (expand_builtin_mathfn_3): Likewise.
2080         (expand_builtin_int_roundingfn): Likewise.
2081         (expand_builtin): Likewise.
2082         (integer_valued_real_p): Likewise.
2083         (fold_builtin_int_roundingfn): Likewise.
2084         (fold_builtin_bitop): Likewise.
2085         (fold_builtin_logarithm): Likewise.
2086         (fold_builtin_1): Likewise.
2087         * convert.c (convert_to_integer): Likewise.
2088         * fold-const.c (negate_mathfn_p): Likewise.
2089         (tree_expr_nonnegative_p): Likewise.
2090
2091 2005-11-30  Dale Johannesen  <dalej@apple.com>
2092             Andrew Pinski  <pinskia@physics.uc.edu>
2093
2094         * combine.c (find_split_point):  Sign extend bitmask
2095         when changing bitfield assignment to IOR of AND.
2096
2097 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2098
2099         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2100         clobber to scratch reg.
2101         (*decrement_and_branch_until_zero_no_clobber): Remove.
2102         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2103         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2104         * config/ms1/ms1.opt (mmul): Remove.
2105         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2106         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2107
2108 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2109             Bernd Schmidt  <bernd.schmidt@analog.com>
2110
2111         * pa/predicates.md (symbolic_operand): Add comment.
2112         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2113         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2114         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2115         (pa_secondary_reload_class): Delete.
2116         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2117         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2118         copy of symbolic operand.
2119         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2120
2121 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2122
2123         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2124         jump.
2125
2126 2005-11-30  Jeff Law  <law@redhat.com>
2127
2128         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2129         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2130
2131 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2132
2133         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2134         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2135         (ia64_expand_move): Adjust caller.
2136
2137         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2138         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2139         negate VAL.
2140
2141 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2142
2143         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2144         Always produce an output if we can remove NEGs or canonicalize
2145         (minus (minus ...)) expressions.  Provide a fast path for the
2146         two-operand case.
2147         (simplify_gen_binary): Do not call simplify_plus_minus.
2148         (simplify_binary_operation_1): Reassociate at the end of the
2149         function.
2150
2151 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2152
2153         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2154         moves and unpack to speed up.
2155
2156 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2157
2158         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2159         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2160         (gen_v9_scc): Update callers.
2161         * config/sparc/sparc.md: Likewise.
2162         * config/sparc/sparc-protos.h: Update extern declaration.
2163
2164         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2165
2166 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2167
2168         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2169         the if.
2170
2171 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2172
2173         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2174         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2175         (negate_expr): Here.
2176
2177 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2178
2179         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2180         Fix typo in comment.
2181
2182 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2183
2184         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2185         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2186
2187 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2188
2189         PR middle-end/20109
2190         PR middle-end/25120
2191         * builtins.c (init_target_chars): New.
2192         (expand_builtin_printf, expand_builtin_fprintf,
2193         expand_builtin_sprintf, fold_builtin_sprintf,
2194         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2195         fold_builtin_snprintf_chk, fold_builtin_printf,
2196         fold_builtin_fprintf): Check for matching format strings using
2197         the target charset.
2198
2199 2005-11-29  Paul Brook  <paul@codesourcery.com>
2200
2201         * config.gcc: Do not use fixproto on m68k-elf.
2202
2203 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2204
2205         * expmed.c (div_cost): Replace with...
2206         (sdiv_cost, udiv_cost): New.
2207         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2208         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2209         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2210         (expand_divmod): Replace use of div_cost with either sdiv_cost
2211         or udiv_cost depending upon the signedness of the operation.
2212
2213 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2214
2215         PR libfortran/24991
2216         * config/darwin.c (machopic_indirection_name,
2217         machopic_output_indirection): Follow transparent alias chain.
2218
2219 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2220
2221         * varasm.c (ultimate_transparent_alias_target): Add comment.
2222
2223 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2224
2225         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2226         SET_SRC instead of XEXP where appropriate.
2227
2228 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2229
2230         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2231         __builtin_expect.
2232
2233 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2234
2235         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2236         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2237         bit at a time.
2238
2239 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2240
2241         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2242         secondary_input_reload_class, made static.  Adapt to new
2243         infrastructure.
2244         (secondary_output_reload_class): Delete.
2245         (TARGET_SECONDARY_RELOAD): New macro.
2246         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2247         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2248
2249 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2250
2251         PR c++/21166
2252         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2253         when its natural alignment is > BITS_PER_UNIT.
2254         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2255         * c-common.c (handle_packed_attribute): Ignore packing on a field
2256         whose type is naturally char aligned.
2257
2258 2005-11-28  Richard Guenther  <rguenther@suse.de>
2259
2260         * c-common.c (strict_aliasing_warning): Handle all
2261         component-ref like accesses.
2262
2263 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2264             Uros Bizjak  <uros@kss-loka.si>
2265
2266         PR middle-end/20219
2267         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2268         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2269         when flag_unsafe_math_optimizations is set and
2270         we don't care about NaNs or Infinities.
2271
2272         Move x/expN(y) and x/pow(y,z) transformation into common
2273         flag_unsafe_math_optimizations section.
2274
2275 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2276
2277         * gcc.c (main): Change type of argv to "char **".
2278
2279 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2280
2281         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2282         small data sections.
2283         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2284         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2285         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2286         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2287         output locals to sbss if !rs6000_elf_in_small_data_p.
2288         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2289
2290 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2291
2292         PR target/24997
2293         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2294         generated by reload.
2295         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2296         indexed_or_indirect_address.
2297         (indexed_or_indirect_address): Don't test for base reg.  Call
2298         address_operand last.  Make it a special predicate.
2299
2300 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2301
2302         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2303
2304 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2305
2306         PR middle-end/24575
2307         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2308         is undefined.
2309         (negate_expr): Likewise.
2310
2311 2005-11-27  Andreas Schwab  <schwab@suse.de>
2312
2313         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2314         redundant parens.
2315
2316 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2317
2318         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2319         has EH predecessor edges.
2320
2321 2005-11-26  Eric Christopher  <echristo@apple.com>
2322
2323         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2324         register stalls by zero extending to the full register.
2325
2326 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2327
2328         * config/floatunsisf.c, config/floatunsidf.c,
2329         config/floatunsixf.c, config/floatunsitf.c: New files.
2330         * config/ia64/t-hpux: Add floatunsitf.c.
2331         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2332         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2333
2334 2005-11-26  Richard Henderson  <rth@redhat.com>
2335
2336         * c-lex.c (pragma_lex): Rename from c_lex.
2337         * c-pch.c: Update for pragma_lex rename.
2338         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2339         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2340         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2341         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2342         * doc/tm.texi: Likewise.
2343
2344 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2345
2346         PR middle-end/23669
2347         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2348         when overflow is undefined.
2349
2350 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2351
2352         * doc/md.texi (Insn Canonicalizations): Refer to the
2353         function commutative_operand_precedence for further rules.
2354
2355 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2356
2357         PR middle-end/21309
2358         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2359         is less than zero.  Limit mult_cost to a reasonable upper bound for
2360         the synthetic multiplication sequence.
2361
2362 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2363
2364         PR middle-end/25022
2365         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2366         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2367         Lookup the explicit replacement functions for any unlocked
2368         stdio builtin transformations.
2369
2370 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2371
2372         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2373         earlyclobber.
2374         * targhooks.c (default_secondary_reload): Don't require operand 2
2375         for an input reload to be earlyclobber.
2376
2377 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2378
2379         * fold-const.c (negate_mathfn_p): Fix comment and add support
2380         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2381         BUILT_IN_ATANH.
2382
2383 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2384
2385         PR middle-end/24998
2386         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2387         _Q_ulltoq for unsigned conversions from SImode and DImode to
2388         TFmode.
2389
2390 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2391
2392         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2393         (__floatundidf, __floatundisf): Likewise.
2394
2395 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2396
2397         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2398         (rs6000_override_options): Remove initialization of
2399         rs6000_sr_alias_set.
2400         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2401         (rs6000_emit_stack_tie): Same.
2402         (emit_frame_save): Same.
2403         (gen_frame_mem_offset): Same.
2404         (rs6000_emit_prologue): Same.
2405         (rs6000_emit_epilogue): Same.
2406
2407 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2408
2409         PR middle-end/24989
2410         * fold-const.c (fold_build): Convert bool_var != 1 and
2411         bool_var == 0 to !bool_var.
2412
2413 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2414
2415         PR middle-end/24990
2416         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2417         for C being INTEGER_CST.  Likewise for !=.
2418
2419 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2420
2421         PR middle-end/24998
2422         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2423         unsigned conversions from SImode to TFmode.
2424
2425 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2426
2427         * expr.c (expand_expr_real_1): Fix error in last change.
2428
2429 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2430
2431         * caller-save.c: (this_insn_sets): Move into:
2432         (save_call_clobbered_regs).
2433         (mark_set_regs): Get this_insn_sets from data.
2434
2435         (save_call_clobbered_regs): Take sets of the return value by
2436         sibcalls into account.
2437
2438 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2439         PR target/21623:
2440
2441         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2442         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2443         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2444         (memory_move_secondary_cost, init_reg_autoinc): Remove
2445         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2446         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2447         secondary_reload_class call.
2448         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2449         callers.
2450         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2451         (push_secondary_reload): Use secondary_reload target hook.
2452         (secondary_reload_class, scratch_reload_class): New functions.
2453         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2454         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2455         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2456         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2457         (secondary_reload_class, scratch_reload_class): Declare.
2458         * reload1.c: Include target.h.
2459         (reload_adjust_reg_for_temp): New function.
2460         (reload_adjust_reg_for_icode): Likewise.
2461         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2462         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2463         call.
2464         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2465         for inheritance.  Support case when both secondary & tertiary reloads
2466         are for intermediate registers.
2467         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2468         with secondary_reload_class call.  Support case when both secondary
2469         & tertiary reloads are for intermediate registers.
2470         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2471         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2472         * target.h (secondary_reload_info): New struct / typedef.
2473         (struct gcc_target): New member secondary_reload.
2474         * targhooks.c Include reload.h, optabs.h and recog.h.
2475         (default_secondary_reload): New function.
2476         * targhooks.h (default_secondary_reload): Declare.
2477         * doc/tm.texi: Document secondary_reload target hook.  Update
2478         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2479         * doc/md.texi: Likewise.
2480
2481         * sh-protos.h (sh_secondary_reload): Declare.
2482         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2483         (sh_secondary_reload): New function.
2484         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2485         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2486         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2487         (HAVE_SECONDARY_RELOADS): Define.
2488         * sh.md (reload_indf): Rename to:
2489         (reload_indf__frn).
2490         (reload_outdf): Rename to:
2491         (reload_outdf__RnFRm).
2492         (reload_insf): Rename to:
2493         (reload_insf__frn).
2494         (reload_insi): Rename to:
2495         (reload_insi__i_fpul).
2496
2497 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2498
2499         * configure.ac: Require at least texinfo 4.4.
2500         * configure: Regenerate.
2501
2502         * doc/install.texi (Tools/packages necessary for building GCC):
2503         Update required version of texinfo to at least 4.4.
2504         (Installing GCC: Building): Update required version of texinfo
2505         to at least 4.4.
2506         (Installing GCC: Final installation): Update required version
2507         of texi2dvi to at least 4.4.
2508         (Host/target specific installation notes for GCC): Update required
2509         version of texinfo to at least 4.4.
2510
2511 2005-11-24  Richard Guenther  <rguenther@suse.de>
2512         Dirk Mueller <dmueller@suse.de>
2513
2514         PR c++/14024
2515         * c-common.h (strict_aliasing_warning): Declare.
2516         * c-common.c (strict_aliasing_warning): New function,
2517         split out from ...
2518         * c-typeck.c (build_c_cast): ... here.
2519
2520 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2521
2522         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2523         to order operands.
2524         (swap_commutative_operands_with_target): New.
2525
2526 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2527
2528         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2529         also when doing PRE, rather than only for global CPROP.
2530
2531 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2532
2533         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2534         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2535         formatting.
2536         (expand_twoval_unop): Likewise.
2537         (widen_clz): Likewise.
2538         (expand_parity): Likewise.
2539         (expand_unop): Likewise.
2540         (emit_cmp_and_jmp_insn_1): Likewise.
2541         (prepare_float_lib_cmp): Likewise.
2542
2543 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2544
2545         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2546         Remove unused `class' variable.
2547
2548 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2549
2550         PR c++/21667
2551         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2552         C/C++ diagnostic function warn_array_subscript_with_type_char.
2553         * c-common.h (warn_array_subscript_with_type_char): Declare.
2554         * c-common.c (warn_array_subscript_with_type_char): Define.
2555
2556 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2557
2558         PR c/21668
2559         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2560         compiling at the intersection of C and C++.
2561
2562 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2563
2564         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2565         List @file in the option summary.  Include the libiberty
2566         documentation for @file.
2567         * gcc.c (main): Call expandargv.
2568         * Makefile.in (gcc-vers.texi): Define srcdir.
2569
2570 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2571
2572         * passes.c (init_optimization_passes): Document
2573         sequencing of passes.
2574
2575 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2576
2577         * config/m68k/predicates.md (pcrel_address, extend_operator,
2578         post_inc_operand, pre_dec_operand): Remove redundant
2579         conditionals.
2580         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2581         instead of abort.
2582         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2583
2584 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2585
2586         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2587
2588 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2589
2590         Preparatory work for PR target/21623:
2591         * alpha.c (secondary_reload_class): Rename to:
2592         (alpha_secondary_reload_class).
2593         * alpha.h, alpha-protos.h: Likewise.
2594         * mn10300.c (secondary_reload_class): Rename to:
2595         (mn10300_secondary_reload_class).
2596         * mn10300.h, mn10300-protos.h: Likewise.
2597         * pa.c (secondary_reload_class): Rename to:
2598         (pa_secondary_reload_class).
2599         * pa.h, pa-protos.h: Likewise.
2600         * rs6000.c (secondary_reload_class): Rename to:
2601         rs6000_secondary_reload_class.
2602         * rs6000.h, rs6000-protos.h: Likewise.
2603
2604 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2605
2606         PR middle-end/22561
2607         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2608
2609 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2610
2611         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2612         a mode_class.
2613         (prepare_cmp_insn): Likewise.
2614
2615 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2616
2617         PR target/23435
2618         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2619         if both operands[0] and operands[1] are memory.
2620
2621 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2622
2623         PR middle-end/23606
2624         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2625         COMPARISON_CLASS_P and an integral types create create a new
2626         expression with the new type and fold that.
2627
2628 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2629
2630         PR target/24988
2631         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2632         to SUBTARGET_OS_CPP_BUILTINS.
2633
2634 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2635
2636         * arm.c (emit_set_insn): New function.
2637         (arm_split_constant): Call it.
2638         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2639         (arm_legitimize_address): Likewise.  Use plus_constant.
2640         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2641         (thumb_expand_prologue): Likewise.
2642         (arm_gen_load_multiple): Use VOIDmode in SET.
2643         (arm_gen_store_multiple): Likewise.
2644         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2645         (emit_multi_reg_push): Likewise.
2646         (emit_sfm): Use plus_constant.
2647
2648 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2649
2650         PR target/24954
2651         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2652         typo last change.
2653
2654 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2655
2656         PR middle-end/24950
2657         * expmed.c (store_bit_field): Don't attempt to insv a field
2658         larger than the reg.
2659
2660 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2661
2662         PR target/24954
2663         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2664         explicit sign extension, not a (char) cast.
2665
2666 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2667
2668         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2669         GET_MODE_CLASS (x) == MODE_FLOAT.
2670         * config/i386/i386.c: Likewise.
2671         * config/rs6000/xcoff.h: Likewise.
2672         * config/rs6000/linux64.h: Likewise.
2673         * config/rs6000/rs6000.c: Likewise.
2674         * config/rs6000/rs6000.h: Likewise.
2675         * config/rs6000/predicates.md: Likewise.
2676         * config/rs6000/sysv4.h: Likewise.
2677
2678 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2679
2680         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2681         flag_pic is set.
2682
2683         * config/alpha/freebsd.h, config/alpha/linux.h,
2684         config/arm/linux-elf.h, config/bfin/bfin.h,
2685         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2686         config/i386/beos-elf.h, config/i386/gnu.h,
2687         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2688         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2689         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2690         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2691         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2692         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2693         config/sparc/linux.h, config/sparc/linux64.h,
2694         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2695
2696         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2697         are both defined when either flag -fpic or -fPIC are used.
2698
2699 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2700
2701         * config/fp-bit.c (clzusi): New function.
2702         (si_to_float, usi_to_float): Use it to compute proper shift.
2703         (usi_to_float): Preserve guard bits when shifting right.
2704         * libgcc-std.ver (GCC_4.2.0): New version.
2705         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2706         __floatundisf): New functions.
2707         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2708         __floatundisf): Declare.
2709         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2710         _floatundixf, and _floatunditf.
2711         * optabs.c (expand_float): If target does not define a pattern for
2712         signed or unsigned conversion, use an unsigned libcall instead of
2713         a signed one.
2714         (init_optabs): Initialize ufloat_optab.
2715
2716 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2717
2718         * config/rs6000/rs6000.opt (mmulhw): New option.
2719         * doc/invoke.texi (-mmulhw): Document.
2720         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2721         for 405 and 440.
2722         * config/rs6000/rs6000.md: Add half-word multiply and
2723         multiply-accumulate instructions for 405 and 440.
2724
2725 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2726
2727         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2728         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2729         default now includes a linker group which makes the RTEMS one nest.
2730
2731 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2732
2733         * cse.c (fold_rtx): Typo fix.
2734         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2735
2736 2005-11-21  Richard Henderson  <rth@redhat.com>
2737
2738         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2739         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2740
2741         * c-tree.h (lookup_name): Move declaration ...
2742         * c-common.h (lookup_name): ... here.
2743         * config/darwin-c.c: Include c-common.h.
2744         * config/t-darwin: Update dependencies.
2745
2746 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2747
2748         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2749         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2750         * genopinit.c (gen_insn): Likewise.
2751         * reload.c (find_equiv_reg): Likewise.
2752         * loop.c (load_mems): Likewise.
2753         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2754         * cse.c (find_comparison_args, fold_rtx): Likewise.
2755         * dwarf2out.c (add_const_value_attribute): Likewise.
2756         * expr.c (convert_move): Likewise.
2757         * recog.c (general_operand, register_operand): Likewise.
2758         * reg-stack.c (replace_reg): Likewise.
2759         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2760         * c-common.c (handle_vector_size_attribute): Likewise.
2761         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2762         (simplify_binary_operation_1): Likewise.
2763         (simplify_const_binary_operation): Likewise.
2764         (simplify_relational_operation): Likewise.
2765         (simplify_const_relational_operation): Likewise.
2766         (simplify_immed_subreg): Likewise.
2767         * emit-rtl.c (gen_lowpart_common): Likewise.
2768         * expmed.c (expand_mult): Likewise.
2769         * stor-layout.c (layout_type): Likewise.
2770
2771 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2772
2773         PR target/24951
2774         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2775         cst2 only for SPE vectors.
2776
2777 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2778
2779         PR target/24953
2780         * config/rs6000/predicates.md (vrsave_operation): Check
2781         UNSPEC_VOLATILE value.
2782
2783 2005-11-21  Jan Hubicka  <jh@suse.cz>
2784
2785         PR tree-optimization/24653
2786         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2787
2788 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2789
2790         * config/i386/predicates.md (ax_reg_operand): New predicate.
2791         (memory_displacement_only_operand): New predicate.
2792         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2793         operand is AX register and the other operand is memory operand
2794         with displacement only.
2795
2796 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2797
2798         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2799         if we don't care about NaNs or Infinities.
2800
2801 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2802
2803         PR rtl-optimization/24883
2804         * combine.c (combinable_i3pat): When checking whether the
2805         destination of i3 is used in i3, consider paradoxical subregs.
2806
2807 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2808
2809         PR middle-end/20583
2810         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2811
2812 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2813
2814         * combine.c (try_combine): Do not run subst on i1src and i2src in
2815         the case of generating a PARALLEL for a comparison.
2816
2817 2005-11-20  Richard Henderson  <rth@redhat.com>
2818
2819         PR 24931
2820         * tree-sra.c (struct sra_elt): Add all_no_warning.
2821         (struct sra_walk_fns) <use>: Add use_all argument.
2822         (sra_walk_expr): Pass it.
2823         (sra_walk_modify_expr): Likewise.
2824         (scalarize_ldst): Likewise.
2825         (scan_use): Update for new argument.
2826         (mark_no_warning): New.
2827         (scalarize_use): Use it.
2828
2829 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2830
2831         * expr.c (expand_expr_real): Use usmul_optab for widening
2832         signed * unsigned multiplies.
2833         * genopinit.c (optabs): Add usmul_widen_optab.
2834         * optabs.c (init_optabs): Likewise.
2835         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2836         (usmul_widen_optab): Define.
2837         * config/bfin/bfin.md (usmulhisi3): New pattern.
2838
2839         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2840
2841 2005-11-20  Graham Stott <btinternet.com>
2842
2843         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2844
2845 2005-11-20  Andreas Schwab  <schwab@suse.de>
2846
2847         PR target/24757
2848         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2849         insn.
2850
2851 2005-11-19  Richard Henderson  <rth@redhat.com>
2852
2853         PR tree-opt/24665
2854         * tree-gimple.c (is_gimple_id): Export.
2855         * tree-gimple.h (is_gimple_id): Declare.
2856         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2857         (get_default_value): Use it.
2858         (maybe_fold_stmt_indirect): Likewise.
2859
2860 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2861
2862         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2863         than VR1 or vice-versa.
2864
2865 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2866
2867         PR middle-end/24912
2868         PR middle-end/24750
2869         * reload.c (find_reloads_address_1): Mention dependency on
2870         gen_reload.
2871         * reload1.c (gen_reload): For IN with an unary operation, try
2872         moving inner expression to OUT if trivial SET is not valid.
2873         Confirm that the result is valid.  Move common code block into...
2874         (emit_insn_if_valid_for_reload): New function.
2875
2876 2005-11-19  Richard Guenther  <rguenther@suse.de>
2877
2878         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2879         ARRAY_REFs of constant strings.
2880
2881 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2882
2883         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2884         fatal format string.
2885
2886 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2887
2888         * combine.c (make_compound_operation): Swap operands of
2889         commutative operation if necessary before returning.
2890
2891 2005-11-19  Richard Guenther  <rguenther@suse.de>
2892
2893         PR middle-end/23294
2894         * fold-const.c (fold_plusminus_mult_expr): New function.
2895         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2896         cases, remove now unnecessary code.
2897
2898 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2899
2900         * gensupport.c (old_preds): Rename to std_preds, add special field.
2901         (struct old_pred_table): Rename to struct std_pred_table, add special
2902         field.
2903         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2904         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2905         (init_predicate_table): Adjust, and set along the way whether a
2906         predicate is special.
2907
2908 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2909
2910         * BASE-VER: Change to 4.2.0.
2911
2912 2005-11-18  James E Wilson  <wilson@specifix.com>
2913
2914         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2915         returning it.
2916
2917 2005-11-18  Mike Stump  <mrs@apple.com>
2918
2919         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2920         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2921         * c-decl.c (lookup_name_two) Remove.
2922         * c-tree.h (lookup_name_two): Remove.
2923         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2924         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2925         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2926         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2927
2928 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2929
2930         PR target/24914
2931         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2932         when not generating code to use that co-processor.
2933
2934 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2935
2936         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2937         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2938         these functions are now in tree-phinodes.c.
2939
2940 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2941
2942         * config/bfin/bfin.md (trap): New pattern.
2943
2944 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2945
2946         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2947         on types.
2948
2949         * expr.c (expand_expr_real): Don't call record_block_change unless
2950         ib_boundaries_block is non-null
2951
2952         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2953
2954         * fold-const.c (build_range_check): Use proper type for subtraction
2955         when merging lower bound.
2956
2957 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2958
2959         PR rtl-optimization/24497
2960         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2961         the copied insn.
2962
2963 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2964
2965         * tree-scalar-evolution.c (expression_expensive_p): New function.
2966         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2967
2968 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2969
2970         * config/bfin/crtlibid.s: New file.
2971
2972 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2973
2974         PR target/24348
2975         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2976         when not using sjlj exceptions.
2977         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2978         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2979         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2980         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2981         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2982         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2983         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2984         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2985         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2986         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2987         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2988         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2989         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2990         defines.
2991         * config/pa/hpux-unwind.h: New file.
2992
2993 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2994
2995         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2996         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2997         * varasm.c (do_assemble_alias): Adjust call.
2998         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2999         is defined.
3000         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3001
3002 2005-11-17  James E Wilson  <wilson@specifix.com>
3003
3004         * tree.def (FUNCTION_DECL): Correct typo in comment.
3005
3006 2005-11-17  Richard Henderson  <rth@redhat.com>
3007
3008         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3009         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3010         and DW_CFA_def_cfa_sf.
3011         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3012         (dbx_reg_number): Don't assert particular registers here.
3013         (based_loc_descr): ... do it here instead.  Fold in ...
3014         (eliminate_reg_to_offset): ... this function.
3015         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3016         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3017         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3018         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3019         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3020         (instantiate_virtual_regs): Likewise.
3021         * var-tracking.c (adjust_stack_reference): Likewise.
3022         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3023
3024 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3025
3026         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3027         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3028         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3029         crtlibid.o.
3030         ($(T)crtlibid.o): New rule.
3031
3032 2005-11-16  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/24851
3035         * fold-const.c (extract_array_ref): Return byte offset
3036         in all cases.
3037         (fold_binary): Fold &x[a] CMP &x[b] to
3038         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3039         behavior.
3040
3041 2005-11-16  Richard Henderson  <rth@redhat.com>
3042
3043         PR middle-end/23497
3044         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3045         parts of an SSA_NAME.
3046
3047 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3048
3049         PR target/24861
3050         * arm.md (split for movsf with immediate): Restrict split to insns
3051         that set a general register.
3052
3053 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3054
3055         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3056         uw_update_context.
3057         * unwind-dw2.c (uw_advance_context): Likewise.
3058         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3059         _Unwind_SjLj_Unregister.
3060         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3061
3062 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3063
3064         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3065
3066 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3067
3068         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3069         langhook to get a DImode integer type.
3070
3071 2005-11-16  Richard Henderson  <rth@redhat.com>
3072             J"orn Rennecke <joern.rennecke@st.com>
3073             Ulrich Weigand  <uweigand@de.ibm.com>
3074
3075         PR rtl-opt/24160
3076         PR target/24621
3077         * reload1.c (reg_equiv_invariant): New.
3078         (reload): Allocate, initialize, and free it.
3079         (calculate_needs_all_insns): Check it when skipping equivalence
3080         setting insns.
3081         (alter_reg): Likewise.
3082         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3083         may_use_invariant argument; only use reg_equiv_invariant when true.
3084         (eliminate_regs): New.
3085         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3086         a context for which may_use_invariant may be true.
3087
3088 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3089
3090         * fold-const.c (const_binop): Don't constant fold the operation
3091         if the result has overflowed and flag_trapping_math.
3092         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3093
3094 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3095
3096         * config/arm/unwind-arm.c (abort): Add prototype here.
3097         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3098         (struct phase1_vrs): Add prev_sp.
3099         (unwind_phase2_forced): Save the original core registers instead of
3100         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3101         and set action flags accordingly.  Always set _US_END_OF_STACK when
3102         get_eit_entry fails.  Unwind before calling the stop function.
3103         (_Unwind_GetCFA): New function.
3104         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3105         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3106         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3107         just call unwind_phase2_forced.
3108         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3109         * config/arm/unwind-arm.h (abort): Remove prototype.
3110         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3111         prototypes.
3112         (_Unwind_GetCFA): New prototype.
3113         * config/arm/pr-support.c (abort): Add prototype here.
3114         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3115         forced unwinding.
3116         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3117         not schedule the prologue with non-call exceptions and EABI.
3118
3119 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3120
3121         * config/arm/unwind-arm.h: Reorder interface function declarations.
3122         (_URC_END_OF_STACK): New enumeration value.
3123         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3124         (struct _Unwind_Control_Block): Document reserved field use.
3125         (_Unwind_Stop_Fn): New typedef.
3126         (_Unwind_ForcedUnwind): Declare.
3127         (_Unwind_Resume_or_Rethrow): Declare.
3128         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3129         argument.  Adjust.
3130         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3131         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3132         (UCB_FORCED_STOP_ARG): New.
3133         (search_EIT_table): Update boundary condition checks.
3134         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3135         (unwind_phase2): Replace for with do..while.
3136         (unwind_phase2_forced): New.
3137         (__gnu_Unwind_RaiseException): Replace for with do..while.
3138         (__gnu_Unwind_ForcedUnwind): New.
3139         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3140         Use appropriate phase2 unwinder.
3141         (__gnu_Unwind_Resume_or_Rethrow): New.
3142         (__gnu_unwind_pr_common): Cope with forced unwinding.
3143
3144 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3145
3146         PR target/24772
3147         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3148
3149         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3150         roundsf2): Remove "s" from mnemonic.
3151
3152 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3153
3154         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3155         __PIC__ is defined.
3156         * config/bfin/crtn.s: Change epilogues to match.
3157         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3158         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3159         __PIC__ and __pic__.
3160
3161 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3162
3163         PR 24357
3164         * doc/invoke.texi: Distinguish between free and fixed form instead of
3165         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3166         languages.
3167         * gcc.c (default_compilers): Remove double entries, add entries for
3168         suffixes '.F90' and '.F95'.
3169
3170 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3171
3172         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3173         in the stack probing loop.
3174
3175 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3176
3177         * configure.ac: Use .machine power5 not power5x.
3178         * configure: Regenerate.
3179
3180 2005-11-15  Mike Stump  <mrs@apple.com>
3181
3182         * c-decl.c (lookup_name_two): Add.
3183         * c-tree.h (lookup_name_two): Likewise.
3184         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3185         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3186
3187 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3188
3189         PR rtl-optimization/23392
3190         * regrename.c (enum scan_actions) Add mark_access.
3191         (scan_actions_name): Ditto.
3192         (scan_rtx_reg): Handle mark_access.
3193         (scan_rtx_address): Do nothing for mark_access.
3194         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3195         and regs in REG_INC notes before closing chains for dead regs.
3196         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3197         opening chains for new writes.
3198
3199 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3200
3201         * c.opt (ffixed-line-length-none): New.
3202
3203 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3204
3205         * mklibgcc.in: Change contents of eh_dummy.c.
3206
3207 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3208
3209         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3210
3211 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3212
3213         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3214         of making syscalls.
3215         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3216
3217 2005-11-15  Jan Hubicka  <jh@suse.cz>
3218
3219         * invoke.texi (large-unit-insns): Document.
3220         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3221         * params.def (large-unit-insns): New param.
3222
3223 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3224
3225         PR target/24869
3226         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3227         special register for operand 3.  Reindent constraints to align
3228         them vertically.
3229
3230 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3231
3232         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3233         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3234         * configure.ac: Add test for FP rounding instructions.
3235         * configure: Regenerate.
3236         * config.in: Regenerate.
3237         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3238         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3239         features enabled.
3240         * config/rs6000/rs6000.opt (mfprnd): New.
3241         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3242         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3243         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3244         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3245         (TARGET_FPRND): New.
3246         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3247         UNSPEC_FRIZ): New.
3248         (btrunc<mode>2): New.
3249         (ceil<mode>2): New.
3250         (floor<mode>2): New.
3251         (round<mode>2): New.
3252
3253 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3254
3255         * gcc.c (version_compare_spec_function): Use fatal() rather than
3256         abort().
3257
3258         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3259         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3260         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3261         as empty.
3262         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3263         link in crt2.o.
3264
3265         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3266         on -mmacosx-version-min setting.
3267
3268 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3269
3270         PR 24840
3271         * tree-vrp.c (infer_value_range): Return false if STMT is a
3272         block terminator and its basic block has no successors.
3273
3274 2005-11-14  Mike Stump  <mrs@apple.com>
3275
3276         * config/i386/i386.c (override_options): -masm=intel isn't
3277         supported on darwin.
3278         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3279
3280 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3281
3282         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3283         vfork after including auto-host.h.
3284
3285 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3286
3287         PR rtl-optimization/22002
3288         * combine.c (distribute_notes): Detect cases where a reg dies
3289         two or more times in a bb, including on the insn we are combining,
3290         and place the death note on the correct range.
3291
3292 2005-11-14  Dale Johannesen  <dalej@apple.com>
3293
3294         * expmed.c (store_bit_field):  Add offset unconditionally for
3295         memory targets.
3296         (extract_bit_field):  Don't force extzv or extv operand into
3297         a register if field is too big.
3298
3299 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3300
3301         * config/arm/arm.c (pic_labelno): New.
3302         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3303         LABEL_REF.  Pass only the labelno to PIC insns.
3304         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3305         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3306         * arm.md (UNSPEC_PIC_LABEL): New constant.
3307         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3308         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3309         Use the correct label prefix.
3310
3311 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3312
3313         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3314         REQ_EQUIV note.
3315
3316 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3317
3318         * loop-invariant.c: Include tm_p.h.
3319         * Makefile.in: Updated.
3320
3321 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3322
3323         * pa.c (store_reg): Revise generation of frame notes in large frames.
3324         (set_reg_plus_d): Likewise.
3325
3326 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3327
3328         PR tree-optimization/24709
3329         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3330         loop check.
3331
3332 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3333
3334         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3335         and duplicate declaration of pthread_self.
3336
3337 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3338             Ian Lance Taylor  <ian@airs.com>
3339
3340         PR middle-end/24003
3341         * calls.c (expand_call): If TARGET is a MEM and some part of the
3342         argument area has been saved, force TARGET to a register.
3343
3344 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3345
3346         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3347         checking.
3348
3349 2005-11-13  Jason Merrill  <jason@redhat.com>
3350
3351         PR c++/22489
3352         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3353         lazily declared methods.
3354         (force_decl_die): Stop if forcing out the context already make a
3355         DIE for the decl.
3356         (force_type_die): Likewise.
3357
3358 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3359
3360         PR middle-end/24820
3361         * builtins.c (integer_valued_real_p): Add break in
3362         REAL_CST having TREE_OVERFLOW set.
3363
3364 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3365
3366         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3367         addressing modes during calculation of costs.
3368
3369 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3370
3371         * function.c (assign_stack_local_1): Restrict sanity check
3372         on frame size overflow to 32-bit and above platforms.
3373
3374 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3375
3376         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3377         * config/cris/cris.c: Include reload.h.
3378         (cris_initial_elimination_offset): New function.
3379         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3380         Prototype.
3381
3382 2005-11-12  Richard Guenther  <rguenther@suse.de>
3383
3384         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3385
3386 2005-11-12  Jan Hubicka  <jh@suse.cz>
3387
3388         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3389         to compare against 0 when possible.
3390
3391 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3392
3393         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3394         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3395         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3396         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3397         in the new order.
3398
3399 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3400
3401         * recog.c (constrain_operands) <case 'g'>: For a match, require
3402         that a non-register matches general_operand when strict >= 0.
3403
3404 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3405
3406         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3407         previous checkin.
3408
3409 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3410
3411         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3412         (memory_address_same): New.
3413         (dse_optimize_stmt): Call memory_address_same.
3414
3415 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3416
3417         PR middle-end/24750
3418         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3419         ZERO_EXTEND>: New cases.
3420
3421 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3422
3423         * longlong.h (__clz_tab): Always provide.
3424
3425 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3426
3427         PR 24265
3428         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3429         can be assigned to.
3430         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3431         before check_maybe_invariant.
3432         (move_invariant_reg): Use gen_move_insn instead of replacing
3433         SET_DEST with the temporary for the invariant.
3434         (move_loop_invariants): If checking is enabled, do internal
3435         consistency checks after completing the pass.
3436
3437 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3438
3439         PR 24644
3440         * common.opt (Wvolatile-register-var): New.
3441         * varasm.c (make_decl_rtl): Only emit warning when option
3442         specified.  Clarify warning message.
3443         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3444
3445         * doc/md.texi (copysign): Document standard named pattern.
3446
3447 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3448
3449         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3450         bytes when align is 2.
3451         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3452         by the first instruction of the loop.
3453
3454 2005-11-11  Jason Merrill  <jason@redhat.com>
3455
3456         PR c++/24686
3457         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3458         the cleanup list.
3459
3460 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3461
3462         PR rtl-optimization/22509
3463         * local-alloc.c (memref_used_between_p): Check whether a function call
3464         could not reference the memref.
3465
3466 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3467
3468         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3469         algorithm so as to choose the best, not the worst, alternative.
3470         Reset accumulated register class before processing next alternative.
3471
3472 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3473
3474         PR target/24445
3475         * calls.c (expand_call): Copy a return value to a plain register
3476         if needed.
3477
3478 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3479
3480         PR target/24778
3481         * varasm.c (assemble_name): Recompute name only for transparent
3482         aliases.
3483
3484 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3485
3486         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3487
3488 2005-11-04  Jeff Law  <law@redhat.com>
3489
3490         PR middle-end/23181
3491         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3492         perform reassociation if the parent statement will not die as
3493         a result of the optimization.
3494
3495 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3496
3497         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3498         delete_old_heap_vars.
3499         * tree-dfa.c (referenced_var_remove): Remove function.
3500         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3501         (delete_tree_ssa): Remove call to delete_old_heapvars.
3502         Add call to delete_alias_heapvars.
3503         * tree-flow.h (referenced_var_remove): Remove prototype
3504         (init_alias_heapvars): New prototype.
3505         (delete_alias_heapvars): Ditto.
3506         * Makefile.in (tree-ssa-structalias.o): Add
3507         gt-tree-ssa-structalias.o
3508         (GTFILES): Add tree-ssa-structalias.h and
3509         tree-ssa-structalias.c.
3510         (s-gtype): Add gt-tree-ssa-structalias.h.
3511         * tree-ssa-structalias.c (heapvars): Remove.
3512         (oldheapvars): Remove.
3513         (heapvar_for_stmt): New variable.
3514         (heapvar_lookup): New function.
3515         (heapvar_insert): Ditto.
3516         (get_constraint_for): See if we have an old heapvar
3517         to reuse.
3518         (init_alias_heapvars): New function.
3519         (delete_alias_heapvars): Ditto.
3520         Add include of gt-tree-ssa-structalias.h.
3521
3522 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3523
3524         PR middle-end/22127
3525         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3526
3527 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3528
3529         * tree.c (int_fits_type_p): Only look at the base type
3530         if it has the same precision as the original type.
3531
3532 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3533
3534         PR other/4372
3535         * varasm.c (assemble_alias): Use %q+D in the error
3536         message instead of %J and %qD.
3537
3538 2005-11-10  Richard Guenther  <rguenther@suse.de>
3539
3540         * gcse.c (free_ldst_entry): Only free hashtable if
3541         it exists.
3542
3543 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3544
3545         * function.c (assign_stack_local_1): Issue an error message if
3546         the frame size overflows in the signed target arithmetics.
3547
3548 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3549
3550         * tree.c (build_qualified_type): Chain the new type to the original
3551         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3552         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3553         (build_pointer_type_for_mode): Only return unqualified types.
3554         (build_reference_type_for_mode): Likewise.
3555
3556 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3557
3558         * Makefile.in (gnucompare): Do comparison of all files using one of
3559         the chosen methods and only afterwards decide if just warning should
3560         be issued or comparison failure raised.
3561
3562 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3563
3564         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3565         (noce_try_abs): Negate if the comparison is reversed.
3566         Look only one instruction backwards for a REG_EQUAL note.
3567
3568 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3569
3570         PR other/4372
3571         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3572         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3573         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3574         and prefix all uses with __ghtrw.
3575
3576 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3577
3578         PR other/4372
3579         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3580         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3581         * c-common.c (handle_weakref_attribute): New.
3582         (c_common_attribute_table): Add weakref.
3583         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3584         in the assembler.
3585         * configure, config.in: Rebuilt.
3586         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3587         * doc/extend.texi: Document weakref attribute.
3588         * varasm.c (ultimate_transparent_alias_target): New
3589         (assemble_name): Use it.
3590         (weak_finish_1): Split out of...
3591         (weak_finish): ... and deal with weakrefs in...
3592         (weakref_targets): ... new list.
3593         (globalize_decl): Clean up weakref_targets.
3594         (do_assemble_alias): Handle weakrefs.
3595         (finish_aliases_1): Do not reject weakrefs to external symbols.
3596         (assemble_alias): Handle weakrefs.
3597
3598 2005-11-09  Richard Guenther  <rguenther@suse.de>
3599
3600         PR tree-optimization/24716
3601         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3602         t_bool to track results from follow_ssa_edge.
3603
3604 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3605
3606         * final.c (force_source_line): New global variable.
3607         (final_scan_insn): Set it to true instead of clearing last_filename.
3608         (notice_source_line): Return true if force_source_line is true,
3609         unless source info is absent.
3610
3611 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3612
3613         PR c/24644
3614         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3615         a linkage name for a variable if it a register variable.
3616         * c-decl.c (grokdeclarator): Global register variables
3617         should be set as PUBLIC.
3618
3619 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3620
3621         PR 24624
3622         * config/s390/s390.c (struct s390_frame_layout): New fields
3623         first_save_gpr_slot and last_save_gpr_slot.
3624         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3625         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3626         first_save_gpr and last_save_gpr with the _slot variants.
3627         (s390_register_info): Calculate first_save_gpr_slot and
3628         last_save_gpr_slot using regs_ever_live.
3629
3630 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3631
3632         PR 24623
3633         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3634         for a function containing a landing pad.
3635
3636 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3637
3638         PR 24034
3639         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3640         is live afterwards.
3641
3642 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3643
3644         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3645         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3646
3647 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3648
3649         Add ms2 support
3650         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3651         constants.
3652         (call,load,store): New insn types.
3653         (mem_access, branch_access): Adjust reservation conditions.
3654         (define_delay): Adjust condition.
3655         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3656         type.
3657         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3658         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3659         insn type.
3660         (call_internal, call_value_internal, return_internal,
3661         return_interrupt_internal, eh_return_internal, indirect_jump,
3662         tablejump): Set call insn type.
3663         (blockage, ei, di): Use appropriate unspec const.
3664         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3665         (ms1_get_attr_type): Adjust to give load & store types.
3666         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3667         backwards past a barrier.
3668         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3669         branch scheduling.
3670         (struct branch_info, struct label_info): New.
3671         (ms1_labels): New.
3672         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3673         (ms1_machine_reorg): New.
3674         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3675         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3676         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3677         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3678         (TARGET_MS2): New.
3679
3680 2005-11-09  Per Bothner  <per@bothner.com>
3681             Uros Bizjak  <uros@kss-loka.si>
3682
3683         PR c/24101
3684         * toplev.c (process_options): Initialize debug_hooks early
3685         in case lang_hooks.post_options ends up calling a debug_hook.
3686
3687 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3688
3689         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3690         DBX_REGISTER_NUMBER being contiguous.
3691
3692 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3693             Diego Novillo  <dnovillo@redhat.com>
3694
3695         PR 23046
3696         * tree-vrp.c (register_edge_assert_for): Do not register
3697         always-false predicates.
3698
3699 2005-11-08  Devang Patel <dpatel@apple.com>
3700
3701         PR tree-optimization/23115
3702         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3703         relation.
3704
3705 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3706
3707         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3708         -mcpu=440.
3709
3710 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3711
3712         Fix PR tree-optimization/23382
3713
3714         * tree-ssa-alias.c (compute_may_aliases): Call
3715         delete_old_heap_vars.
3716         * tree-dfa.c (referenced_var_remove): New function.
3717         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3718         * tree-flow.h (referenced_var_remove): Add prototype.
3719         (delete_old_heap_vars): Ditto.
3720         * tree-ssa-structalias.c (heapvars): New variable.
3721         (oldheapvars): Ditto.
3722         (get_constraint_for): Put heap vars on heapvars list.
3723         (delete_old_heap_vars): New function.
3724
3725 2005-11-08  Jason Merrill  <jason@redhat.com>
3726
3727         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3728
3729 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3730
3731         PR target/19340
3732         * reg-stack.c (reg_to_stack): Update register liveness also
3733         for flag_sched2_use_traces.
3734
3735 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3736
3737         PR target/23704
3738         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3739         override prior explicit -mno-powerpc-gfxopt.
3740
3741 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3742
3743         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3744         if the bitsize is zero.
3745         * doc/md.texi (Standard Pattern Names): Document it.
3746
3747         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3748         (TARGET_PASS_BY_REFERENCE): Likewise.
3749
3750 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3751
3752         PR rtl-optimization/24683
3753         * config/i386/i386.c (legitimize_pic_address): If constant operand
3754         to PLUS is too large, put it in a register.
3755
3756 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3757
3758         * configure.ac: Enable checking assembler dwarf2 support for bfin
3759         target.
3760         * configure: Regenerate.
3761
3762 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3763
3764         PR target/24230
3765
3766         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3767         gen_easy_vector_constant_add_self): Delete.
3768         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3769         New.
3770         (output_vec_const_move): Use gen_easy_altivec_constant.
3771         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3772         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3773         (easy_vector_constant_add_self): Rewritten.
3774         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3775         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3776         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3777         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3778         Macroize and adjust for the other changes.
3779
3780 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3781
3782         PR c/24599
3783
3784         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3785         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3786
3787 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3788
3789         PR rtl-optimization/23567
3790         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3791         (noce_process_if_block): Don't do any optimizations except
3792         if (cond) x = x; if !set_b and write into orig_x may trap
3793         or fault.  Remove the MEM_READONLY_P check.
3794
3795 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3796
3797         PR 24670
3798         * tree-vrp.c (fix_equivalence_set): New.
3799         (extract_range_from_assert): Call it.
3800
3801 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3802
3803         PR target/22432
3804         * combine.c (apply_distributive_law): Don't distribute across a
3805         vector mode subreg.
3806
3807 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3808
3809         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3810         config/ms1/ms1.h, config/rs6000/predicates.md,
3811         config/s390/s390.c, params.def, postreload-gcse.c,
3812         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3813         tree-vrp.c, tree.c: Fix comment typos.
3814         * doc/invoke.texi: Fix typos.
3815
3816 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3817
3818         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3819         for testing whether the data_dependence_relation contains distance
3820         vectors.  Iterate over all distance vectors of the ddr.
3821         * lambda.h: Define a vec of lambda_vector pointers.
3822         * tree-data-ref.c (dump_data_dependence_relation,
3823         dump_data_dependence_direction): Iterate over all distance and
3824         direction vectors of the ddr.
3825         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3826         DDR_DIST_VECTS.
3827         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3828         of distance/direction vectors instead of a single one.
3829         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3830         lambda_vectors with a vec of lambda_vectors.
3831         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3832         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3833         DDR_NUM_DIST_VECTS): New.
3834         * tree-loop-linear.c (gather_interchange_stats): Test for the
3835         existence of distance vectors only after having checked that there
3836         is a dependence.  Iterate over all distance vectors of the ddr.
3837         (linear_transform_loops): Use dump_data_dependence_relation.
3838         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3839         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3840         distance vectors of the ddr.
3841
3842 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3843
3844         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3845         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3846         IS_INTHANDLER; all callers changed.
3847         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3848         account.
3849         (do_link, do_unlink): New argument ALL; all callers changed.
3850         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3851         If function isn't leaf, save and restore all registers.
3852         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3853         exception handler.
3854
3855 2005-11-05  Jan Hubicka  <jh@suse.cz>
3856
3857         PR rtl-optimization/23490
3858         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3859         max-flow-memory-location): Document.
3860         * flow.c: Include params.h
3861         (MAX_MEM_SET_LIST_LEN): Kill.
3862         (add_to_mem_set_list): Use new param.
3863         * cse.c (cse_basic_block): Replace 1000 by new param.
3864         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3865         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3866         * predict.c (predict_loops): Use new param.
3867         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3868
3869         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3870         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3871         Do not hold memory returned by cgraph_node_name across other call.
3872
3873 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3874
3875         PR target/23424
3876         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3877         Disable.
3878
3879 2005-11-04  Jeff Law  <law@redhat.com>
3880
3881         PR/21883
3882         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3883         * tree-ssa-dom.c: Include params.h.
3884         (thread_across_edge): If there are too many statements in the
3885         target block, then do not thread through it.
3886         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3887         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3888
3889 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3890
3891         PR 24627
3892         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3893         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3894
3895 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3896
3897         PR/18595
3898         * tree-scalar-evolution.c (instantiate_parameters_1,
3899         instantiate_parameters, resolve_mixers): Compute the size of an
3900         expression to be instantiated and give up the instantiation if the
3901         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3902
3903 2005-11-04  Richard Guenther  <rguenther@suse.de>
3904
3905         * tree-flow.h (ref_contains_indirect_ref): Rename to
3906         array_ref_contains_indirect_ref.
3907         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3908         (array_ref_contains_indirect_ref): Make comment match the code
3909         and vice-versa.
3910         (ref_contains_array_ref): Likewise.
3911         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3912         ref_contains_indirect_ref.
3913         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3914         Rename calls to ref_contains_indirect_ref.
3915
3916 2005-11-04 Paul Brook  <paul@codesourcery.com>
3917
3918         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3919         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3920         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3921         * config/arm/arm.md: Use match_operand in peephole input templates
3922         and match_dup in peephole output templates.
3923
3924 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3925
3926         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3927         __aeabi_uidiv.
3928
3929 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3930             Daniel Jacobowitz  <dan@codesourcery.com>
3931
3932         * longlong.h (add_ssaaaa): Clobber condition code register
3933         in ARM version.
3934         (sub_ddmmss): Likewise.
3935         (umul_ppmm): Likewise.
3936
3937 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3938             Paul Brook  <paul@codesourcery.com>
3939             Phil Blundell  <pb@reciva.com>
3940
3941         * configure.ac: Add test for ARM TLS support.
3942         * configure: Regenerated.
3943         * config/arm/arm-protos.h (legitimize_tls_address)
3944         (arm_tls_referenced_p, tls_mentioned_p)
3945         (arm_output_addr_const_extra): New prototypes.
3946         (thumb_legitimize_pic_address): Delete.
3947         * config/arm/arm.c: Include "gt-arm.h".
3948         (enum tls_reloc): New.
3949         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3950         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3951         (arm_call_tls_get_addr, legitimize_tls_address)
3952         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3953         (arm_init_tls_builtins, arm_emit_tls_decoration)
3954         (arm_output_addr_const_extra): New functions.
3955         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3956         (TARGET_HAVE_TLS): Define.
3957         (target_thread_pointer): New.
3958         (arm_override_options): Handle -mtp=.
3959         (legitimize_pic_address): Ignore UNSPECs.
3960         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3961         relative symbols.
3962         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3963         (tls_get_addr_libfunc): New variable.
3964         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3965         (arm_init_builtins): Call arm_init_tls_builtins.
3966         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3967         (arm_encode_section_info): Call default_encode_section_info.
3968         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3969         (enum arm_tp_type): New.
3970         (target_thread_pointer): Add declaration.
3971         (LEGITIMATE_CONSTANT_P): Handle TLS.
3972         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3973         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3974         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3975         * config/arm/arm.md: Add UNSPEC_TLS.
3976         (movsi): Handle TLS.
3977         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3978         non-PIC.
3979         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3980         (load_tp_hard, load_tp_soft): New insns.
3981         * arm.opt: Add -mtp=.
3982         * doc/invoke.texi (ARM Options): Document -mtp.
3983
3984 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3985
3986         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3987         * config/arm/libunwind.S: Include "lib1funcs.asm".
3988         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3989         (LIB2ADDEH): Add libunwind.S.
3990         (LIB2ADDEHDEP): Add lib1funcs.asm.
3991         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3992
3993 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3994
3995         PR fortran/18452
3996         * gcc/c.opt: Add a -lang-fortran option.
3997         * gcc/c-opts.c: Add a lang_fortran flag.
3998         (c_common_init_options): Handling the -lang-fortran option.
3999         (c_common_handle_option): Add a case for Fortran options in
4000         preprocessing. Remove cases for -ffixed-form and
4001         -ffixed-line-length. Add a case for -lang-fortran.
4002
4003 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4004
4005         * config/rs6000/rs6000.c: Include params.h
4006         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4007         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4008         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4009         (UNSPEC_VPKUWSS): Delete.
4010         (altivec_vpkuhss): Delete.
4011         (altivec_vpkuwss): Delete.
4012         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4013         final condition.
4014         (neg_eq0<mode>): Remove final condition.
4015         (neg_eq<mode>): Remove condition and split-condition.
4016
4017 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4018
4019         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4020         Use associated print macros.
4021
4022 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4023
4024         PR c++/17964
4025         * diagnostic.c (diagnostic_set_info_translated): New function.
4026         (diagnostic_set_info): Use it.  Add comment.
4027         * diagnostic.h (diagnostic_set_info_translated): Declare.
4028
4029 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4030
4031         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4032         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4033         reference only if 'public' is true.
4034         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4035         emit the .hidden directive only if the indirect reference is public.
4036         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4037         Pass it to dw2_force_const_mem.
4038         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4039         * dwarf2out.c (output_cfi): Adjust calls to above function.
4040         (output_call_frame_info): Likewise.
4041         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4042         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4043
4044 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4045
4046         PR tree-optimization/24483
4047         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4048         field to elts if possible.
4049
4050 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4051
4052         PR middle-end/23155
4053         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4054         CONSTRUCTOR.
4055
4056 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4057
4058         Fix PR tree-optimization/24351
4059
4060         * tree-ssa-structalias.c (struct variable_info): Add
4061         collapsed_into.
4062         (get_varinfo_fc): New function to follow collapsing.
4063         (new_var_info): Set collapsed_to to NULL.
4064         (dump_constraint): Follow collapsing.
4065         (build_constraint_graph): Handle collapsing.
4066         (do_simple_structure_copy): Return false if something bad
4067         happened.
4068         (collapse_rest_of_var): New function.
4069         (do_structure_copy): Collapse if do_simple_structure_copy returns
4070         false.
4071
4072 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4073
4074         PR middle-end/24589
4075         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4076         expressions to a statement list instead of gimplifying them.
4077
4078 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4079
4080         PR rtl-optimization/23585
4081         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4082         that can't trap plus a constant integer, if the mode has zero size.
4083
4084 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4085
4086         PR target/24620
4087         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4088         as operand 2.
4089         ("*insv<mode>_reg_extimm"): Likewise.
4090
4091 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4092
4093         PR c/24329
4094         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4095         c_common_type_for_mode returns an unnamed type.
4096
4097 2005-11-02  Richard Henderson  <rth@redhat.com>
4098
4099         PR target/9350
4100         PR target/24374
4101         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4102         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4103         * function.c (assign_parms): Use calls.internal_arg_pointer.
4104         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4105         code.
4106         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4107         (TARGET_CALLS): Add it.
4108         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4109         * targhooks.c (default_internal_arg_pointer): New.
4110         * targhooks.h (default_internal_arg_pointer): Declare.
4111         * tree.h (dwarf2out_reg_save_reg): Declare.
4112         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4113         * config/i386/i386.c (dbx_register_map): Add return column.
4114         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4115         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4116         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4117         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4118         (ix86_save_reg): Save force_align_arg_pointer.
4119         (ix86_emit_save_regs): Make regno unsigned.
4120         (ix86_emit_save_regs_using_mov): Likewise.
4121         (ix86_expand_prologue): Handle force_align_arg_pointer.
4122         (ix86_expand_epilogue): Likewise.
4123         * config/i386/i386.h: (dbx_register_map): Update.
4124         (dbx64_register_map, svr4_dbx_register_map): Update.
4125         (struct machine_function): Add force_align_arg_pointer.
4126         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4127         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4128         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4129
4130 2005-11-02  Jan Hubicka  <jh@suse.cz>
4131
4132         PR target/23303
4133         * i386.md: Add peep2 for simplyfing array accesses.
4134
4135 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4136
4137         PR target/24615
4138         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4139         * config/s390/s390.c (s390_decompose_shift_count): New function.
4140         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4141         (print_shift_count_operand): Use s390_decompose_shift_count.
4142         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4143         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4144
4145 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4146
4147         PR target/24600
4148         * loop.c (loop_givs_rescan): Use force_operand to expand
4149         complex GIVs.
4150
4151 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4152
4153         PR 22429
4154         * fold-const.c (build_range_check): Use unsigned when signed
4155         overflow is undefined also.  If etype is subtype, make sure that
4156         the subtraction is in the supertype.
4157
4158 2005-11-02  Richard Henderson  <rth@redhat.com>
4159
4160         PR target/24178
4161         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4162         by MEM_ALIGN.
4163
4164 2005-11-01  Richard Henderson  <rth@redhat.com>
4165
4166         PR 21518
4167         * loop.c (scan_loop): Do not propagate computations to a hard
4168         register destination with SMALL_REGISTER_CLASSES.
4169
4170 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4171
4172         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4173         costs for MULT inside PLUS or MINUS.
4174
4175 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4176
4177         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4178         (TRAMPOLINE_SIZE): Round up to 60.
4179         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4180
4181 2005-10-31  James E. Wilson  <wilson@specifix.com>
4182
4183         PR debug/24444
4184         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4185         ifdef.  Put ifdefs around call in gen_subprogram_die.
4186         (compute_frame_pointer_to_cfa_displacement): Likewise.
4187         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4188         not defined.
4189
4190         PR rtl-optimization/17356
4191         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4192         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4193
4194 2005-10-31  Jan Hubicka  <jh@suse.cz>
4195
4196         PR middle-end/24093
4197         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4198
4199         PR target/20928
4200         * i386.c (legitimize_pic_address): Deal with large immediates.
4201
4202         PR profile/20815
4203         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4204         from symbol names while computing checkup.
4205
4206         PR profile/24487
4207         * predict.c (predict_loops): Do not estimate more than
4208         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4209         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4210
4211 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4212
4213         PR tree-optimization/19097
4214         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4215
4216 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4217
4218         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4219
4220 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4221
4222         PR middle-end/23492
4223         * tree-inline.c (setup_one_parameter): If the init_stmt
4224         is NULL, don't insert the statement.
4225
4226 2005-10-30  Jan Hubicka  <jh@suse.cz>
4227
4228         PR tree-optimization/24172
4229         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4230
4231 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4232
4233         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4234         constants for hosts with long != 32 bits.
4235
4236 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4237
4238         PR middle-end/24093
4239         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4240
4241 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4242
4243         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4244         (TARGET_MS1_16_002): New.
4245         (TARGET_MS1_16_003): New.
4246
4247         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4248         ("*decrement_and_branch_until_zero_no_clobber"): New.
4249         Add corresponding splitter for decrement_and_branch_until_zero
4250         instruction.
4251         Key all decrement_and_branch_until_zero patterns off of
4252         TARGET_MS1_16_003.
4253
4254 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4255
4256         PR middle-end/24362
4257         * tree-complex.c (extract_component): Treat RESULT_DECL
4258         like the rest of the decls.
4259
4260 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4261
4262         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4263         indirect call to _mcount if the function needs a static chain.
4264
4265 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4266             Caroline Tice  <ctice@apple.com>
4267
4268         PR rtl-optimization/24460
4269         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4270         (dwarf2out_switch_text_section): Set it to true instead of
4271         incrementing separate_line_info_table_in_use.
4272         (output_loc_list): Additionally test have_switched_text_sections.
4273         (output_ranges): Likewise.
4274         (dwarf2out_finish): Likewise.
4275         * varasm.c (assemble_start_function): Do not call
4276         insert_section_boundary_note.
4277         (assemble_end_function): If flag_reorder_blocks_and_partition,
4278         switch to the function's section before emitting the .size directive.
4279         * bb-reorder.c (insert_section_boundary_note): Staticify.
4280         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4281         * output.h (insert_section_boundary_note): Delete.
4282
4283 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4284
4285         PR c/23103
4286         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4287         instead of pointer equality when comparing types.
4288
4289 2005-10-24  James E. Wilson  <wilson@specifix.com>
4290
4291         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4292         add_dependence_list_and_free calls.
4293
4294 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4295
4296         * contrib.texi: Add the names of the LLNL folks who donated
4297         Cray pointer support for gfortran.
4298
4299 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4300
4301         PR tree-optimization/24225
4302         * profile.c (branch_prob): Look from end to start through a
4303         basic block when looking for a locus.
4304
4305 2005-10-24  Richard Henderson  <rth@redhat.com>
4306
4307         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4308         parallel.
4309         (hppa_expand_prologue): Likewise.
4310
4311 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4312
4313         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4314         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4315         * pa.h (NO_PROFILE_COUNTERS): Define.
4316         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4317         (funcdef_nos): New vector to hold label numbers of deferred profile
4318         counters.
4319         (output_deferred_profile_counters): New function.
4320         (hppa_profile_hook): Push label number onto funcdef_nos.
4321         (pa_hpux_file_end): Call output_deferred_profile_counters if
4322         NO_DEFERRED_PROFILE_COUNTERS is false.
4323
4324         * pa-protos.h (get_deferred_plabel): New prototype.
4325         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4326         Make global.
4327         (output_call): Adjust calls.
4328
4329 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4330
4331         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4332         peculiarity of GOT/TOC section usage.
4333
4334 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4335
4336         PR objc/24435
4337          * c-common.c (constant_string_class_name): Add documentation.
4338
4339 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4340
4341         PR target/23832
4342         * recog.c (peephole2_optimize): Increment peep2_current_count
4343         only when the slot is empty.
4344
4345 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4346
4347         PR ada/23957
4348         * except.c (output_function_exception_table): Call
4349         assemble_external_libcall if we need a personality function.
4350
4351 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4352
4353         PR rtl-optimization/24460
4354         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4355         set the basic block for barriers.
4356
4357 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4358
4359         * var-tracking.c (vt_initialize): Initialize post.
4360
4361 2005-10-21  Devang Patel  <dpatel@apple.com>
4362
4363         PR/24220
4364         * c-common.c (vector_types_convertible_p): Check vector element type.
4365
4366 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4367
4368         * config/sh/sh.c (prepare_move_operands): Handle the address
4369         constant which is a tls symbolic address plus a constant.
4370
4371 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4372
4373         PR driver/24473
4374         * gcc.c (main): Use the correct counter for erroring out
4375         about mulitple files.
4376
4377 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4378
4379         PR target/24465
4380         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4381         use r2 for 64-bit tls .got access.
4382
4383 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4384
4385         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4386         TRUTH_OR_EXPR.
4387
4388 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4389
4390         PR tree-optimization/24307
4391         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4392
4393 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4394
4395         PR middle-end/24295
4396         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4397         alias targets.
4398         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4399         is ready, stop marking functions, but still mark variables.
4400
4401 2005-10-20  Richard Guenther  <rguenther@suse.de>
4402
4403         PR c++/24439
4404         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4405         void type operands.
4406
4407 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4408
4409         PR rtl-optimization/23585
4410         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4411         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4412         (may_trap_p_1): New predicate extracted from...
4413         (may_trap_p): ... here.  Invoke may_trap_p_1.
4414         (may_trap_or_fault_p): New predicate.
4415         * rtl.h (may_trap_or_fault_p): Declare it.
4416         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4417         instead of may_trap_p.
4418         (steal_delay_list_from_fallthrough): Likewise.
4419         (fill_simple_delay_slots): Likewise.
4420         (fill_slots_from_thread): Likewise.
4421         * function.c (pad_to_arg_alignment): Rework comment about
4422         SPARC_STACK_BOUNDARY_HACK.
4423         * config/sparc/sparc.h: Likewise.
4424
4425 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4426
4427         * config/s390/s390.c (s390_expand_insv): New.
4428         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4429         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4430         ("icm_hi"): Remove mode attribute.
4431         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4432         Adjust all uses.
4433         ("*extracthi", "*extractqi"): Remove.
4434         (extv<mode>", "*extzv<mode>"): New.
4435         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4436         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4437
4438 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4439
4440         * cfgexpand.c (discover_nonconstant_array_refs_r,
4441         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4442         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4443         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4444         discover_nonconstant_array_refs.
4445
4446 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4447
4448         PR c/23228
4449         * c-decl.c (pop_scope): Don't warn about an unused variable
4450         if it is marked with TREE_NO_WARNING.
4451         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4452         somenow mismatch and olddecl is to be replaced.
4453
4454 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4455
4456         PR middle-end/23199
4457         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4458         whether registers live on the edge can be saved/restored.
4459
4460 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4461
4462         * config/sh/sh.c (fixup_mova): Skip notes.
4463
4464 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4465
4466         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4467         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4468         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4469         (s390_initial_elimination_offset): Likewise.
4470         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4471         register on TARGET_ZARCH targets.
4472         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4473         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4474         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4475         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4476
4477 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4478
4479         * config/s390/s390.md: Comment describing output modifiers updated.
4480         * config/s390/s390.c (print_operand): Likewise.
4481
4482 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4483
4484         * config/s390/s390.c (override_options): Added check for -mstack-size
4485         64k limitation.
4486         * doc/invoke.texi: Mention that limit in the documenation.
4487
4488 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4489
4490         PR #19672
4491         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4492
4493 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4494
4495         Fix PR tree-optimization/24231
4496
4497         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4498         (compute_avail): Ditto.
4499
4500 2005-10-18  Richard Henderson  <rth@redhat.com>
4501
4502         PR target/24428
4503         * config/i386/i386.c (legitimate_constant_p): Check
4504         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4505         if LABEL_REF.
4506         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4507         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4508         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4509         directly.
4510         (print_operand_address): Likewise.
4511         * config/i386/predicates.md (x86_64_immediate_operand): Test
4512         SYMBOL_REF_TLS_MODEL properly inside CONST.
4513         (x86_64_zext_immediate_operand): Likewise.
4514         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4515         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4516         * config/i386/i386-protos.h: Remove predicates.md entries.
4517
4518 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4519
4520         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4521         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4522
4523 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4524             Ian Lance Taylor <ian@airs.com>
4525
4526         PR middle-end/23522
4527         * fold-const.c (fold_widened_comparison): Do not allow range based
4528         constant folding when right operand cannot be unwidened.
4529
4530 2005-10-17  Richard Henderson  <rth@redhat.com>
4531
4532         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4533         with a memory clobber.
4534
4535 2005-10-17  James E Wilson  <wilson@specifix.com>
4536
4537         PR rtl-optimization/17356
4538         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4539         checking for EDGE_EH.
4540
4541 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4542
4543         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4544         the slot on an even boundary for any type with 16-byte alignment.
4545
4546 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4547
4548         PR target/23424
4549         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4550         after register allocation.
4551
4552 2005-10-17  DJ Delorie  <dj@redhat.com>
4553
4554         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4555         as frame related.
4556
4557 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4558
4559         PR c++/22551
4560         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4561         overflow flags.
4562
4563 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4564
4565         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4566         to 2 if it's already non-zero.
4567         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4568         is set and warn about it if flag_schedule_insns is 1.
4569
4570 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4571
4572         * config/crx/crx.md: Compare-and-branch instructions need to
4573         invalidate CC.
4574
4575 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4576
4577         PR target/24315
4578         * config/i386/i386.md (*pushdi2_rex64 splitter)
4579         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4580         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4581         flow2 pass only when (optimize > 0 && flag_peephole2).
4582
4583 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4584
4585         PR driver/22544
4586         * gcc.c (have_c): New static variable.
4587         (have_o): Likewise.
4588         (process_command): Remove declation of have_c.
4589         Set have_o to 1 when handling -o.
4590         (main): Add a fatel error if there are multiple
4591         files specified and -o and -c/-S is passed witout
4592         -combine or multiple languages.
4593
4594 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4595
4596         Fix PR tree-optimization/22444
4597         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4598         Assert that we don't hit something with subvars.
4599         (setup_pointers_and_addressables): Don't add things with subvars,
4600         because we'll already process the subvars for aliasing purposes.
4601
4602 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4603
4604         PR target/23424
4605         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4606         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4607         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4608         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4609         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4610         swapped, alternatives for the R constraint.
4611
4612         PR middle-end/24341
4613         * builtins.c (get_builtin_sync_mode): Make unlimited
4614         mode_for_size request.
4615
4616 2005-10-15  Richard Henderson  <rth@redhat.com>
4617
4618         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4619         (gimplify_expr): ... here.
4620         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4621         fb_lvalue in base expression.
4622
4623 2005-10-15  Richard Henderson  <rth@redhat.com>
4624
4625         PR 23714
4626         * builtins.c (expand_builtin_trap): Export.
4627         * expr.h (expand_builtin_trap): Declare.
4628         * expr.c (expand_assignment): Emit a trap for integral offsets
4629         from registers that weren't reduced to bitpos.
4630
4631         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4632         (mark_array_ref_addressable): Remove.
4633         * tree-flow.h (mark_array_ref_addressable): Remove.
4634         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4635
4636 2005-10-15  James E Wilson  <wilson@specifix.com>
4637
4638         PR target/24232
4639         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4640         (add_dependence_list_and_free): Likewise.
4641         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4642         call.
4643
4644 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4645
4646         PR 23141
4647         PR 23142
4648         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4649         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4650         anti-range.
4651         (vrp_visit_phi_node): Only prevent infinite iterations when
4652         the previous result and the new result are both VR_RANGEs.
4653
4654 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4655
4656         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4657         function comment.
4658
4659 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4660
4661         PR c/23439
4662         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4663         to initialize loc.
4664
4665 2005-10-14  Per Bothner  <per@bothner.com>
4666
4667         PR preprocessor/21250
4668         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4669
4670 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4671
4672         PR c++/22551
4673         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4674         overflow flags.  Refactor some conditionals.
4675
4676 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4677
4678         PR tree-opt/21304
4679         * tree-dfa.c (add_referenced_var): Only look at decls which
4680         have TREE_CONSTANT or TREE_READONLY set instead of if
4681         !TREE_PUBLIC or !TREE_CONSTANT.
4682
4683 2005-10-13  James E Wilson  <wilson@specifix.com>
4684
4685         * doc/invoke.texi: For -x, add f95-cpp-input.
4686         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4687
4688 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4689
4690         PR tree-optimization/24262
4691         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4692         in loop all the time.
4693
4694 2005-10-12  Richard Henderson  <rth@redhat.com>
4695
4696         PR c/24255
4697         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4698         * function.c (assign_parm_find_data_types): Don't support it.
4699         * print-tree.c (print_node): Likewise.
4700         * c-common.c (handle_transparent_union_attribute): Likewise.
4701         Use build_duplicate_type.
4702         * tree-inline.c (remap_type_1): Split out of remap_type;
4703         properly remap aggregate fields.
4704         (build_duplicate_type): New.
4705         * doc/extend.texi (Variable Attributes): Remove documentation
4706         for transparent_union.
4707
4708 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4709
4710         PR target/24284
4711         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4712         (gen_stack_pointer_dec): Likewise.
4713
4714 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4715
4716         PR middle-end/21275
4717         PR middle-end/21766
4718         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4719         target hook.
4720         (struct cxx): Add adjust_class_at_definition target hook.
4721         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4722         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4723         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4724         hook_void_tree. Add to TARGET_CXX.
4725         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4726         dllimport_flag.
4727         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4728         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4729         instead of attribute. Check for dllexport override.  Warn if
4730         inconsistent dll linkage. Don't lose old dllimport if decl has
4731         had address referenced.   Tweak lookup of dllimport atribute.
4732         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4733         for target specific rules.  Don't add dllimport attribute if
4734         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4735         dllimport attribute.
4736         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4737         * varasm.c (initializer_constant_valid_p): Replace
4738         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4739
4740         PR target/21801
4741         PR target/23589
4742         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4743         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4744         (i[34567]86-*-mingw32*): Likewise.
4745
4746         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4747         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4748
4749         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4750         C++-specific code. Change return value to bool.
4751         (i386_pe_dllimport_p): Likewise.
4752         (associated_type): Simplify and make language-independent
4753         (i386_pe_encode_section_info): Replace override of ambiguous
4754         dllimport symbol refs with a gcc_assert.
4755         (i386_pe_valid_dllimport_attribute_p): Define.
4756         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4757         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4758         i386_pe_adjust_class_at_definition.
4759         * config/i386/winnt-stubs.c: New file. Define stub versions of
4760         lang-specific functions.
4761         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4762         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4763         i386_pe_adjust_class_at_definition.
4764         (i386_pe_valid_dllimport_attribute_p): Declare.
4765         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4766         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4767         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4768
4769         PR target/19704
4770         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4771         dllimport attribute with test of DECL_DLLIMPORT_P.
4772
4773 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4774
4775         * combine.c (make_extraction): Correct offset computation.
4776
4777 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4778
4779         * config/cris/t-linux (LIMITS_H_TEST): Define.
4780
4781 2005-10-12  Richard Henderson  <rth@redhat.com>
4782
4783         PR rtl-opt/23324
4784         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4785
4786 2005-10-12  Richard Guenther  <rguenther@suse.de>
4787
4788         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4789
4790 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4791
4792         PR c++/19964
4793         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4794         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4795         type.
4796
4797 2005-10-12  Richard Guenther  <rguenther@suse.de>
4798
4799         PR c++/23799
4800         * varasm.c (output_constant): Correct typo from previous
4801         patch by DJ.
4802
4803 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4804
4805         PR rtl-optimization/13931
4806         * combine.c: Revert patch of 2003-05-14, and:
4807         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4808         completely killed in the appropriate insn.
4809         (distribute_notes): Don't skip multiple hard register test for
4810         elim_i1 and elim_i2.
4811
4812 2005-10-11  Richard Henderson  <rth@redhat.com>
4813
4814         PR c/24255
4815         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4816         to initialize a transparent union instead of a nop_expr.
4817
4818 2005-10-11  Richard Henderson  <rth@redhat.com>
4819
4820         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4821         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4822         (tree_ssa_dce_loop): Call scev_reset.
4823
4824         PR tree-opt/24300
4825         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4826         * tree-ssa-dce.c: Include cfgloop.h.
4827         (tree_ssa_dce_loop, pass_dce_loop): New.
4828         * tree-pass.h (pass_dce_loop): Declare it.
4829         * passes.c (init_optimization_passes): Use it.
4830
4831 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4832
4833         PR middle-end/24263
4834         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4835         Only apply the optimization for rounding builtins if the inner
4836         cast is also an extension.
4837
4838 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4839
4840         PR tree-opt/23946
4841         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4842         mark_new_vars_to_rename instead of update_stmt.
4843
4844 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4845
4846         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4847
4848 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4849
4850         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4851         for setting MMX register to 0 rather than mmx.
4852
4853 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4854
4855         PR target/12098
4856         * configure.ac: Move gas check from mips specific case to common case.
4857         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4858         * configure: Regenerate
4859         * doc/install.texi: Update.
4860
4861 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4862
4863         PR target/24284
4864         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4865
4866 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4867
4868         * gcc.c (do_spec_1): Accept numeric characters in file name
4869         suffixes.
4870
4871 2005-10-10  Nick Clifton  <nickc@redhat.com>
4872
4873         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4874         describing the deleted arm_gen_rotated_half_load function.
4875
4876 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4877
4878         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4879         __fpscr_values.
4880
4881 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4882
4883         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4884         gnu_ld assignments.
4885         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4886         (EXTRA_MULTILIB_PARTS): Define.
4887         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4888         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4889         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4890         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4891         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4892         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4893
4894 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4895
4896         PR tree-optimization/24226
4897         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4898         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4899         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4900         Export.
4901
4902 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4903
4904         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4905
4906 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4907
4908         PR target/24136
4909         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4910         Rewrite for no need for the early clobber.
4911
4912 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4913
4914         Merge from csl-arm-branch:
4915         2005-09-07  Paul Brook  <paul@codesourcery.com>
4916         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4917         space to string.
4918
4919         2005-04-30  Paul Brook  <paul@codesourcery.com>
4920         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4921         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4922
4923         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4924         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4925         (arm_override_options): Use TARGET_AAPCS_BASED.
4926         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4927         (PTRDIFF_TYPE): Use int for AAPCS.
4928         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4929         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4930         (DEFAULT_SHORT_ENUMS): Delete.
4931         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4932
4933         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4934         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4935         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4936         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4937
4938         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4939         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4940
4941         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4942         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4943
4944         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4945         * config.gcc (arm*-*-linux-gnueabi): Add it.
4946         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4947         redefining it.
4948         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4949         * config/arm/linux-eabi.h: New file.
4950         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4951         (LINUX_TARET_LINK_SPEC): Likewise.
4952         (LINK_SPEC): Use it.
4953         * config/arm/t-linux-eabi: New file.
4954
4955 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4956
4957         PR other/22202
4958         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4959         spaces.
4960         (PARAM_SMS_DFA_HISTORY): Likewise.
4961
4962 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4963
4964         PR middle-end/23150
4965         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4966         (load_register_parameters): Call it.
4967         (check_sibcall_argument_overlap_1): Likewise.
4968         (store_one_arg): Likewise.
4969
4970 2005-10-07  James E. Wilson  <wilson@specifix.com>
4971
4972         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4973         DImode not VECINT24 for operand 2.
4974
4975         PR target/23644
4976         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4977         -mtune-arch.
4978
4979         PR target/24193
4980         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4981         fr_spill): Use destination_operand for operand 0.
4982
4983 2005-10-07  DJ Delorie  <dj@redhat.com>
4984
4985         * varasm.c (output_constant): Limit error to expanding
4986         conversions.
4987
4988 2005-10-07  Richard Guenther  <rguenther@suse.de>
4989
4990         PR middle-end/24227
4991         * fold-const.c (fold_binary): Fix operand types during folding
4992         of X op (A, Y).  Evaluation order of the side-effects of
4993         X and A are frontend-defined, so ensure we honour that even for
4994         tcc_comparison class operands; eased by removing duplicate code.
4995
4996 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4997
4998         * stor-layout.c (layout_type): Do not allow alignment of array
4999         elements to be greater than their size.
5000
5001 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5002
5003         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5004         host_xmake_file.
5005         (hppa*-*-linux*): Ditto.
5006         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5007         * config/host-hpux.c: New.
5008         * config/x-hpux: New.
5009         * config/pa/x-hpux: Remove.
5010         * config/pa/x-linux: Remove.
5011         * config/pa/pa-host.c: Remove.
5012
5013 2005-10-07  Jeff Law  <law@redhat.com>
5014
5015         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5016         determine whether or not to try and thread outgoing edges.
5017
5018 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5019
5020         * config/rs6000/rs6000.md (eqsi_power): New.
5021         (neg_eq0si): Add TARGET_POWER to final condition.
5022         (neg_eqsi): Same.
5023
5024 2005-10-06  Richard Henderson  <rth@redhat.com>
5025
5026         * config/rs6000/rs6000.c: Revert last change.
5027
5028 2005-10-06  Richard Henderson  <rth@redhat.com>
5029
5030         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5031         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5032
5033 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5034
5035         PR middle-end/22216
5036         PR middle-end/23651
5037         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5038         out return_label and naked_return_label.
5039
5040 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5041
5042         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5043         change.
5044
5045 2005-10-06  Richard Henderson  <rth@redhat.com>
5046
5047         PR tree-opt/22237
5048         * tree-inline.c (declare_return_variable): Handle modify_dest not
5049         being a DECL.
5050
5051 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5052
5053         Fix PR tree-optimization/22488
5054         * tree-ssa-structalias.c (check_for_overlaps): New function.
5055         (create_variable_info_for): Use it.
5056
5057 2005-10-06  Richard Henderson  <rth@redhat.com>
5058
5059         PR debug/24070
5060         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5061         (dwarf2out_start_source_file): Print it.
5062
5063 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5064
5065         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5066
5067 2005-10-06  Richard Henderson  <rth@redhat.com>
5068
5069         PR 23706
5070         * mode-switching.c (optimize_mode_switching): Clear transp bit
5071         for block with incomming abnormal edges.
5072
5073         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5074         (fpscr_set_from_mem): Use them.
5075         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5076         (fpscr postinc splitters): Rewrite as peephole2+split.
5077
5078 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5079
5080         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5081         (eq<mode>_compare): Same.
5082
5083 2005-10-06  Richard Guenther  <rguenther@suse.de>
5084
5085         PR tree-optimization/24238
5086         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5087
5088 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5089
5090         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5091         here.  Use AC_PATH_PROG for environment variables instead of
5092         test -x.
5093         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5094         objdump also.
5095         * configure: Regenerated.
5096
5097 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5098
5099         PR target/23783
5100         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5101         then force it into a register.
5102         (call_value): Likewise.
5103
5104 2005-10-06  Richard Henderson  <rth@redhat.com>
5105
5106         PR 24049
5107         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5108         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5109         under pass_vectorize.
5110
5111 2005-10-05  Devang Patel  <dpatel@apple.com>
5112
5113         PR Debug/23205
5114         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5115         handling constants. Check NAMESPACE_DECL context for constants.
5116
5117 2005-10-05  Eric Christopher  <echristo@apple.com>
5118
5119         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5120
5121 2005-10-05  Richard Henderson  <rth@redhat.com>
5122
5123         PR 23714
5124         * tree-cfg.c (mark_array_ref_addressable_1): New.
5125         (mark_array_ref_addressable): New.
5126         * tree-flow.h (mark_array_ref_addressable): Declare.
5127         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5128
5129 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5130
5131         PR middle-end/20606
5132         PR middle-end/24069
5133         * reload.c (subst_reloads): When adding a REG_LABEL to a
5134         jump instruction, also update JUMP_LABEL.
5135
5136 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5137
5138         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5139         * bb-reorder.c (copy_bb_p): Use it.
5140         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5141
5142 2005-10-05  Richard Henderson  <rth@redhat.com>
5143
5144         PR target/23602
5145         * toplev.c (process_options): Warn about unsupported combinations
5146         of unwind tables and omit-frame-pointer.
5147         * config/i386/i386.c (override_options): Similarly.  Enable
5148         accumulate-outgoing-args if not explicitly disabled.
5149
5150 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5151
5152         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5153         Handle big endian vs. small endian.
5154         (vec_initv2sf): Handle big endian vs. small endian.
5155         (*vec_extractv2sf_1): Ditto.
5156
5157 2005-10-05  Dale Johannesen  <dalej@apple.com>
5158
5159         * convert.c (convert_to_real):  Don't convert
5160         (float)floor(double d) to floorf((float)d).
5161
5162 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5163
5164         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5165
5166 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5167
5168         PR tree-optimization/18587
5169         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5170         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5171         build_vuses): Change to VEC type.
5172         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5173         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5174         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5175         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5176         (get_name_decl): New.  Return DECL_UID of base variable.
5177         (operand_build_cmp): New.  qsort comparison routine.
5178         (operand_build_sort_virtual): New.  Sort virtual build vector.
5179         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5180         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5181         (FINALIZE_BASE): Use get_name_decl.
5182         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5183         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5184         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5185         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5186         direct VEC_* manipulations.
5187         (build_ssa_operands): Call operand_build_sort_virtual.
5188         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5189         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5190         with direct VEC_* manipulations.
5191         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5192         with direct VEC manipulations.
5193
5194 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5195
5196         PR tree-optimization/21419
5197         PR tree-optimization/24146
5198         PR tree-optimization/24151
5199
5200         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5201         (build_asm_expr): Call it if outputs are read-only.
5202         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5203
5204 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5205             Paolo Bonzini  <bonzini@gnu.org>
5206
5207         PR target/23809
5208
5209         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5210         enable the instructions and not just the built-ins.
5211         * doc/invoke.texi (x86 Options): Likewise.
5212
5213 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5214
5215         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5216
5217         * doc/invoke.texi (Option Summary): Correct spelling
5218         of -mmacosx-version-min.
5219
5220 2005-10-04  Devang Patel  <dpatel@apple.com>
5221
5222         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5223         real types.
5224
5225 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5226
5227         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5228         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5229
5230 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5231
5232         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5233         ("TE","tg"): New mode attributes.
5234         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5235         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5236         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5237         dword_mode and one for GPRmode.
5238
5239 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5240
5241         PR preprocessor/13726
5242         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5243         any comments passed in.
5244
5245 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5246
5247         * tree.c (annotate_with_file_line): Fix typo.
5248
5249 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5250
5251         PR ada/19382
5252         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5253         type used to access data in the inlined length == 1 case, use
5254         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5255         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5256
5257 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5258
5259         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5260         TARGET_SSE3 and only for TARGET_80387.
5261         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5262         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5263         Do not depend on TARGET_80387.
5264
5265 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5266
5267         * tree.c (last_annotated_node): Change type to location_t*.
5268         (annotate_with_file_line): Reflect the change of
5269         last_annotated_node type.
5270
5271 2005-10-04  Richard Guenther  <rguenther@suse.de>
5272
5273         PR c/23576
5274         * c-decl.c (grokdeclarator): Don't write to fields
5275         of error_mark_node.
5276
5277 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5278
5279         PR middle-end/23125
5280         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5281         register variables.
5282         * varasm.c (make_decl_rtl): If a register variable does not
5283         have a set user assmbler name, error out.
5284         Decode the asmspec is now name+1 bypassing '*'.
5285
5286 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5287
5288         PR tree-optimization/23049
5289         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5290         of a COND_EXPR is folded before calling fold on the whole rhs of a
5291         conditional assignment.
5292         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5293         document that a COND_EXPR may appear there.
5294
5295 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5296
5297         PR 23445
5298         * tree-vrp.c (extract_range_from_assert): If the new numeric
5299         range created out of the assertion contradicts the existing
5300         numeric range of the ASSERT_EXPR variable, make the new range
5301         varying.
5302
5303 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5304
5305         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5306         from T_REGS to FP register class.
5307
5308 2005-10-03  Richard Henderson  <rth@redhat.com>
5309
5310         PR 24135
5311         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5312         before creating a new one.
5313
5314 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5315
5316         * config/rs6000/t-aix43 (LDFLAGS): New.
5317         * config/rs6000/t-aix52 (LDFLAGS): New.
5318
5319 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5320
5321         * gimplify.c (find_single_pointer_decl_1): New static function.
5322         (find_single_pointer_decl): New static function.
5323         (internal_get_tmp_var): For a formal variable, set restrict base
5324         information if appropriate.
5325         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5326         return it.
5327         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5328         (DECL_GET_RESTRICT_BASE): Define.
5329         (SET_DECL_RESTRICT_BASE): Define.
5330         (decl_restrict_base_lookup): Declare.
5331         (decl_restrict_base_insert): Declare.
5332         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5333         * tree.c (restrict_base_for_decl): New static variable.
5334         (init_ttree): Initialize restrict_base_for_decl.
5335         (copy_node_stat): Copy restrict base information.
5336         (decl_restrict_base_lookup): New function.
5337         (decl_restrict_base_insert): New function.
5338         (print_restrict_base_statistics): New static function.
5339         (dump_tree_statistics): Call print_restrict_base_statistics.
5340
5341 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5342
5343         PR 24142
5344         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5345         case of anti-ranges.
5346
5347 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5348
5349         PR c/18851
5350         * c-typeck.c (tagged_tu_seen): Rename to ...
5351         (tagged_tu_seen_cache): this and add val field.
5352         (comptypes): Move functional to comptypes_internal
5353         and free tagged_tu_seen.
5354         (comptypes_internal): New function and call comptypes_internal
5355         instead of comptypes. Speed up by sibcalling
5356         tagged_types_tu_compatible_p.
5357         (alloc_tagged_tu_seen): New function
5358         (free_all_tagged_tu_seen_up_to): New function.
5359         (tagged_types_tu_compatible_p): Return the val of the seen two
5360         types.
5361         Add that the two types are the same to tagged_tu_seen_base
5362         if they are and call comptypes_internal instead of comptypes.
5363         <case UNION_TYPE>: Speed up common type where the fields are
5364         in the same order.
5365         (function_types_compatible_p): Call comptypes_internal instead of
5366         comptypes.
5367         (type_lists_compatible_p): Likewise.
5368         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5369
5370 2005-10-02  Matthias Klose  <doko@debian.org>
5371
5372         * doc/invoke.texi: Fix typo and speling error.
5373
5374 2005-10-01  Richard Henderson  <rth@redhat.com>
5375
5376         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5377
5378 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5379
5380         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5381         using --start-group and --end-group.
5382
5383 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5384
5385         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5386         FIXME note regarding quirky semantics.
5387
5388 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5389
5390         PR 24141
5391         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5392         non-null range as a last resort.
5393
5394 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5395             Diego Novillo  <dnovillo@redhat.com>
5396
5397         PR 23604
5398         * tree-vrp.c (extract_range_from_assert): For !=
5399         assertions, only build an anti-range if LIMIT is a
5400         single-valued range.
5401
5402 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5403
5404         * arm.md (movqi): On thumb when optimizing, handle loading from
5405         memory by describing this as taking a subreg of a zero-extended load
5406         into an SImode register.
5407         (movhi): Likewise.
5408
5409 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5410
5411         * reload1.c (merge_assigned_reloads): Do not change any
5412         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5413
5414 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5415
5416         * Makefile.in (LIPO_FOR_TARGET): Define.
5417         (STRIP_FOR_TARGET): Define.
5418
5419         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5420         before creating new ones.  Do symlinks before creating the actual
5421         targets.
5422
5423         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5424         to work out which multilibs are actually being built.
5425
5426 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5427
5428         * tree-vect-transform.c, config/ms1/ms1.md,
5429         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5430         Follow spelling conventions.
5431         * doc/invoke.texi, doc/md.texi: Fix typos.
5432
5433 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5434
5435         PR tree-optimization/21430
5436         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5437         use operands, and set stmt pointer if need be.
5438         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5439         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5440         present.
5441
5442 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5443
5444         PR middle-end/24053
5445         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5446
5447 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5448
5449         * optabs.c (expand_binop): Initialize first_pass_p.
5450
5451 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5452
5453         PR middle-end/24109
5454         * c-decl.c (c_write_global_declarations_1): If any
5455         wrapup_global_declaration_2 call returned true, restart the loop.
5456
5457 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5458
5459         Fix PR tree-optimization/24117
5460         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5461         before considering whether to use anyoffset.
5462
5463 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5464
5465         Revert this patch:
5466
5467         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5468
5469         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5470         to order operands.
5471         (swap_commutative_operands_with_target): New.
5472
5473 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5474
5475         PR c/21419
5476         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5477         read-only.
5478
5479 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5480
5481         PR tree-optimization/23911
5482         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5483         and IMAGPART_EXPR too.
5484
5485 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5486
5487         PR 17886
5488         * expmed.c (expand_shift): Move logic to reverse rotation
5489         direction when  rotating by constants ...
5490         * optabs.c (expand_binop): ... here.
5491         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5492         (ix86_rotrdi3): New pattern.
5493         (rotldi3): Handle 32-bit mode.
5494         (ix86_rotldi3): New pattern.
5495
5496 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5497
5498         PR target/24102
5499         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5500         check for numbers that need no bit twiddle.
5501
5502 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5503
5504         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5505         multilib to be built.
5506
5507         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5508         (stage1-start): Delete old libgcc and libunwind before moving
5509         anything into the stage directory.
5510         (stage2-start): Likewise.
5511         (stage3-start): Likewise.
5512         (stage4-start): Likewise.
5513         (stageprofile-start): Likewise.
5514         (stagefeedback-start): Likewise.
5515         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5516         header in tm_file and CPU-specific t-darwin in tmake_file.
5517         (i[34567]86-*-darwin*): Don't change tm_file.
5518         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5519         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5520         shared library stub for target OS version.
5521         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5522         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5523         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5524         (libgcc_s.%.dylib): New.
5525         (LIBGCC): Define.
5526         (install-darwin-libgcc-stubs): New.
5527         (INSTALL_LIBGCC): New append.
5528         * config/i386/darwin-libgcc.10.4.ver: New.
5529         * config/i386/darwin-libgcc.10.5.ver: New.
5530         * config/i386/t-darwin: New.
5531         * config/rs6000/darwin-libgcc.10.4.ver: New.
5532         * config/rs6000/darwin-libgcc.10.5.ver: New.
5533         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5534         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5535
5536 2005-09-28  Paul Brook  <paul@codesourcery.com>
5537
5538         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5539         denormals.
5540
5541 2005-09-28  Richard Guenther  <rguenther@suse.de>
5542
5543         PR tree-optimization/23853
5544         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5545         host_integerp to verify misalignment value.
5546
5547 2005-09-28  Richard Henderson  <rth@redhat.com>
5548
5549         * builtins.c (get_builtin_sync_mode): New.
5550         (expand_builtin_sync_operation): Pass in mode argument.
5551         (expand_builtin_compare_and_swap): Likewise.
5552         (expand_builtin_lock_test_and_set): Likewise.
5553         (expand_builtin_lock_release): Likewise.
5554         (expand_builtin): Update to match.
5555
5556 2005-09-28  Nick Clifton  <nickc@redhat.com>
5557
5558         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5559         formatting.  Add check to PLUS case to ensure that the offset is
5560         within an acceptable range.
5561
5562         * config/v850/v850.md (casesi): Disable the generation of the
5563         switch pattern as it is not being handled properly at the moment.
5564
5565         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5566         for when the high words are identical.
5567
5568 2005-09-27  Richard Henderson  <rth@redhat.com>
5569
5570         * pretty-print.c (pp_base_format): Fix typo for %>.
5571
5572 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5573             Devang Patel  <dpatel@apple.com>
5574
5575         PR tree-optimization/23625
5576         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5577         LABEL_EXPR, assertion check.
5578
5579 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5580
5581         * optabs.c (no_conflict_move_test): Check if a result of a
5582         to-be-moved insn would be clobbered by an originally
5583         preceding insn.
5584
5585 2005-09-27  Jeff Law  <law@redhat.com>
5586
5587         * passes.c (init_optimization_passes): Replace copy propagation
5588         passes immediately after DOM with phi-only copy propagation
5589         pases.  Add phi-only copy propagation pass after first DOM pass.
5590         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5591         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5592         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5593         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5594         to init_copy_prop.  Callers updated.
5595         (do_phi_only_copy_prop): New function.
5596         (pass_phi_only_copy_prop): New pass descriptor.
5597
5598 2005-09-27  Nick Clifton  <nickc@redhat.com>
5599
5600         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5601
5602 2005-09-26  Jason Merrill  <jason@redhat.com>
5603
5604         PR c++/13764
5605         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5606
5607         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5608
5609 2005-09-26  James E Wilson  <wilson@specifix.com>
5610
5611         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5612         copyright.  Add gcc copyright plus libgcc exception.
5613         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5614         copyright.
5615         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5616
5617 2005-09-26  Jeff Law  <law@redhat.com>
5618
5619         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5620         about when to iterate.
5621
5622 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5623
5624         PR target/23847
5625         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5626         for __complex__ double in -mcpu=G5 mode.
5627
5628 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5629
5630         PR tree-optimization/23942
5631         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5632         * tree-scalar-evolution.c: Include params.h.
5633         (t_bool): New enum.
5634         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5635         follow_ssa_edge_in_condition_phi_branch,
5636         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5637         Change return type to t_bool.  Use a parameter to limit the size of
5638         trees that are walked before stopping
5639         (analyze_evolution_in_loop): Initialize the limit to 0.
5640         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5641         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5642
5643 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5644
5645         PR middle-end/23831
5646         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5647         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5648
5649 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5650
5651         * combine.c (make_extraction): Check for valid use of subreg.
5652
5653 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5654
5655         PR target/24055
5656         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5657         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5658         ("fist<mode>2_with_temp"): Use only register operands.
5659
5660 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5661
5662         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5663         CALL_INSN_FUNCTION_USAGE.
5664
5665 2005-09-26  Richard Guenther  <rguenther@suse.de>
5666
5667         PR middle-end/15855
5668         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5669         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5670         (ldst_entry): Use the hashtable instead of list-walking.
5671         (find_rtx_in_ldst): Likewise.
5672         (free_ldst_entry): Free the hashtable.
5673         (compute_ld_motion_mems): Create the hashtable.
5674         (trim_ld_motion_mems): Remove entry from hashtable if
5675         removing it from list.
5676         (compute_store_table): Likewise^2.
5677         (store_motion): Free hashtable in case we did not see
5678         any stores.
5679
5680 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5681
5682         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5683         and arg1 if we are passing them to fold_build2.
5684
5685 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5686
5687         PR 23828
5688         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5689         a nested function.
5690
5691 2005-09-25  Richard Henderson  <rth@redhat.com>
5692
5693         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5694         SYMBOL_REF_TLS_MODEL to be correct.
5695
5696 2005-09-24  Richard Henderson  <rth@redhat.com>
5697
5698         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5699         end of function.  Reindent.
5700
5701 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5702
5703         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5704         NEGATE_EXPR/BIT_NOT_EXPR case.
5705
5706 2005-09-24  Richard Henderson  <rth@redhat.com>
5707
5708         * c-common.c (handle_mode_attribute): When not modifying in place,
5709         create subtypes for enumerations.
5710         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5711         * gimplify.c (create_tmp_from_val): Likewise.
5712
5713 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5714
5715         * config/i386/i386.md (*tls_global_dynamic_64,
5716         *tls_local_dynamic_base_64): Add missing mode to call.
5717         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5718
5719 2005-09-24  Jan Hubicka  <jh@suse.cz>
5720
5721         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5722         (cgraph_clone_node): Likewise.
5723         * cgraph.h (cgraph_clone_edge): Update prototype.
5724         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5725         duplicated prototypes; add updating argument.
5726         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5727         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5728         updating profile.
5729         (cgraph_mark_inline_edge): Likewise.
5730         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5731         (cgraph_flatten_node): Likewise.
5732         (cgraph_decide_recursive_inlining): Likewise.
5733         (cgraph_decide_inlining_of_small_function): Likewise.
5734         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5735
5736 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5737             Pete Steinmetz <steinmtz@us.ibm.com>
5738
5739         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5740         (rldic.): Set type to "compare".
5741         (rldicr.): Same.
5742         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5743         mfjmpr for MFCTR/MFLR.
5744         (movdf_hardfloat64): Same.
5745         (movdf_softfloat64): Same.  Correct order of store and move types.
5746         (movti_string): Set type to store_ux/load_ux.
5747         (load_multiple): Set type to load_ux.
5748         (store_multiple): Set type to store_ux.
5749         (movmemsi): Set type to store_ux.
5750         (output_cbranch direct_return): Set type to jmpreg.
5751         (stmw): Set type to store_ux.
5752         (lmw): Set type to load_ux.
5753         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5754         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5755         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5756         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5757         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5758         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5759         (rios1-fpstore): Increase latency to 3.
5760         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5761         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5762
5763 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5764             Andrew Pinski  <pinskia@physics.uc.edu>
5765
5766         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5767         operand2 constraint to "b".
5768         (sync_<fetchop_name>di_internal): Same.
5769         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5770         to "b".
5771         (sync_old_<fetchop_name>di_internal): Same.
5772         (sync_new_<fetchop_name>si_internal): Same.
5773         (sync_new_<fetchop_name>di_internal): Same.
5774
5775 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5776
5777         PR middle-end/23991
5778         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5779         case, define as macros.
5780
5781         PR rtl-optimization/23837
5782         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5783         clobber / clobber match between dest and p->first.
5784
5785         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5786         (no_conflict_move_test): Update comments.
5787
5788 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5789
5790         * doc/install.texi: Update URL for Jacks.
5791         * doc/sourcebuild.texi: Likewise.
5792
5793 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5794
5795         PR target/24007
5796         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5797         registers when choosing register preferences.
5798         (movdf_hardfloat64): Same.
5799
5800 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5801
5802         * expmed.c (expand_shift): Don't use the target of the rotate as
5803         target for the first expanded shift insn.
5804         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5805
5806 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5807
5808         PR tree-optimization/22438
5809         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5810         preserved iv rhs rewriting specially.
5811
5812 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5813
5814         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5815         estimate_only  is true.
5816         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5817         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5818         tree-ssa-structalias.c
5819         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5820         ref_contains_indirect_ref.
5821         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5822
5823 2005-09-21  DJ Delorie  <dj@redhat.com>
5824
5825         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5826         MASK_PTR_A0D0.
5827         (mn10300_return_in_memory): Support variable size types also.
5828         (mn10300_pass_by_reference): Likewise.
5829         (mn10300_function_value): New.
5830         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5831         (FUNCTION_OUTGOING_VALUE): Likewise.
5832         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5833         * doc/invoke.texi: Document it.
5834
5835 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5836
5837         PR target/22585
5838         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5839         force integer op1 into register for XFmode compares.
5840
5841 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5842
5843         PR middle-end/23971
5844         * expmed.c (alg_code): Add alg_impossible.
5845         (alg_hash_entry): Add cost.
5846         (synth_mult): Record alg_impossible in the hash table if
5847         multiplication by a given integer is impossble within the
5848         limit.  Speed up using alg_impossible.
5849
5850 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5851
5852         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5853         argument.  Allow and set any offset if needs_anyoffset is passed
5854         in.
5855         (get_constraint_for): Add argument here too.
5856         Pass it down.
5857         (do_structure_copy): Pass NULL to get_constraint_for.
5858         (handle_ptr_arith): Ditto.
5859         (find_func_aliases): Ditto.
5860
5861 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5862
5863         PR rtl-optimization/23898
5864         * output.h (get_attr_min_length): Declare.
5865         * final.c (get_attr_length_1): New function, broken out of:
5866         (get_attr_length).
5867         (get_attr_min_length): New function.
5868         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5869         (duplicate_computed_gotos): Likewise.
5870         * genattr.c (insn_min_length): Generate declaration.
5871         * genattrtab.c (min_fn, min_attr_value): New functions.
5872         (make_length_attrs): Generate insn_min_length.
5873
5874 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5875
5876         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5877
5878 2005-09-20  Richard Henderson  <rth@redhat.com>
5879
5880         PR tree-optimization/24059
5881         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5882         EXPAND_STACK_PARM.
5883
5884 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5885
5886         * c.opt (fextended-identifiers): New.
5887         * c-opts.c (c_common_handle_option): Handle
5888         -fextended-identifiers.
5889         * doc/cpp.texi: Update documentation of extended identifiers.
5890         * doc/cppopts.texi (-fextended-identifiers): Document.
5891
5892 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5893
5894         PR tree-optimization/23929
5895         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5896         if expr is NULL.
5897
5898         PR tree-optimization/23818
5899         * tree-stdarg.c (execute_optimize_stdarg): Call
5900         calculate_dominance_info.
5901
5902 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5903
5904         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5905         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5906         (compute_overlap_steps_for_affine_1_2): Use
5907         get_number_of_iters_for_loop.
5908         (analyze_subscript_affine_affine): Check whether difference is
5909         zero first.
5910         Use get_number_of_iters_for_loop.
5911         Check whether overlap occurs outside of bounds.
5912         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5913
5914 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5915
5916         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5917         base register if possible.
5918
5919 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5920
5921         PR tree-optimization/18463
5922         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5923         converting it directly is not possible.
5924         (chrec_convert_aggressive): New function.
5925         * tree-chrec.h (chrec_convert_aggressive): Declare.
5926         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5927         Fold chrec conversions aggressively if asked to.
5928         (instantiate_parameters): Modified because of changes in
5929         instantiate_parameters_1.
5930
5931 2005-09-19  Richard Henderson  <rth@redhat.com>
5932
5933         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5934         (reduc_splus_v2df): New.
5935
5936 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5937
5938         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5939         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5940
5941 2005-09-19  Richard Henderson  <rth@redhat.com>
5942
5943         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5944         vcondu<SSEMODE12>.
5945
5946 2005-09-19  Richard Henderson  <rth@redhat.com>
5947
5948         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5949         (ia64_expand_dot_prod_v8qi): New.
5950         * config/ia64/ia64-protos.h: Update.
5951         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5952         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5953         sdot_prodv8qi, sdot_prodv4hi): New.
5954         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5955
5956 2005-09-19  Richard Henderson  <rth@redhat.com>
5957
5958         PR 23941
5959         * real.c (exact_real_truncate): Return false if the format cannot
5960         represent the number as a normal.
5961
5962         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5963         for a memory source.
5964
5965 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5966
5967         * tree-ssa-operands.c (swap_tree_operands): Export.
5968         * tree.h (swap_tree_operands): Declare.
5969         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5970         Call swap_tree_operands.
5971
5972 2005-09-19  Richard Henderson  <rth@redhat.com>
5973
5974         * tree-flow.h (merge_alias_info): Declare.
5975         * tree-ssa-copy.c (merge_alias_info): Export.
5976         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5977         (vect_create_data_ref_ptr): Use create_iv directly.
5978         (vectorizable_load): Use correct types for integer constants.
5979         (vect_generate_tmps_on_preheader): Likewise.
5980         (vect_gen_niters_for_prolog_loop): Likewise.
5981
5982 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5983
5984         PR rtl-optimization/23943
5985         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5986
5987 2005-09-18  Jan Hubicka  <jh@suse.cz>
5988
5989         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5990
5991 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5992
5993         * varasm.c (output_constant): Do not abort on conversions to union
5994         types between different sizes.
5995
5996 2005-09-18  Richard Guenther  <rguenther@suse.de>
5997
5998         PR middle-end/23944
5999         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6000         fallback.
6001
6002 2005-09-18  Paul Brook  <paul@codesourcery.com>
6003
6004         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6005
6006 2005-09-17  Richard Henderson  <rth@redhat.com>
6007
6008         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6009         * tree-ssa-loop.c (pass_vect_dce): Remove.
6010         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6011         of pass_vectorize.
6012
6013 2005-09-17  Richard Henderson  <rth@redhat.com>
6014
6015         * tree-pass.h (pass_vect_dce): Declare.
6016         * passes.c (init_optimization_passes): Add it.
6017         * tree-flow.h (tree_ssa_dce): Declare.
6018         * tree-ssa-dce.c (tree_ssa_dce): Export.
6019         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6020         (gate_tree_vectorize): ... here.
6021         (pass_vect_dce): New.
6022
6023 2005-09-17  Jan Hubicka  <jh@suse.cz>
6024
6025         * except.c (struct eh_status): Turn region_array into vec.
6026         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6027         convert_from_eh_region_ranges, find_exception_handler_labels,
6028         current_function_has_exception_handlers, assign_filter_values,
6029         build_post_landing_pads, dw2_build_landing_pads,
6030         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6031         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6032         foreach_reachable_handler, can_throw_internal_1,
6033         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6034         region_array.
6035         (duplicate_eh_region_1): Update region_array.
6036         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6037
6038 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6039
6040         PR middle-end/22067
6041         * expmed.c (expand_mult): Substitute simple register for op0 when
6042         computing max_cost.
6043
6044 2005-09-17  Richard Henderson  <rth@redhat.com>
6045
6046         * expr.c (emit_move_via_integer): Add force argument, pass it on
6047         to emit_move_change_mode.  Update callers.
6048         (emit_move_complex): Pass true to new force argument.
6049         * function.c (expand_function_end): Move expand_eh_return call
6050         earlier.  Merge sub-word complex values into a pseudo before
6051         copying to the return hard register.
6052
6053 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6054
6055         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6056         between different sizes.
6057
6058 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6059
6060         PR 23903
6061
6062         * passes.c (init_optimization_passes): Register dump files for
6063         IPA passes first.
6064
6065 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6066
6067         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6068         * config/s390/s390.c (s390_overlap_p): New function.
6069         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6070         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6071         condition.
6072
6073 2005-09-16  Richard Guenther  <rguenther@suse.de>
6074
6075         * ipa-pure-const.c (static_execute): Free auxiliar information.
6076         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6077         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6078
6079 2005-09-15  DJ Delorie  <dj@redhat.com>
6080
6081         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6082
6083 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6084
6085         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6086         to order operands.
6087         (swap_commutative_operands_with_target): New.
6088
6089 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6090
6091         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6092         parameter.
6093         Update callers.
6094         (estimate_iters_using_array): New function.
6095         * tree-data-ref.h (estimate_iters_using_array): Prototype
6096         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6097         Use estimate_iters_using_array instead of analyze_array.
6098
6099 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6100
6101         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6102         as addressable.
6103
6104 2005-09-15  Michael Matz  <matz@suse.de>
6105
6106         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6107
6108 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6109
6110         PR tree-optimization/23835
6111         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6112         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6113
6114 2005-09-14  Richard Henderson  <rth@redhat.com>
6115
6116         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6117         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6118
6119 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6120
6121         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6122         in the ARRAY_TYPE case.
6123
6124 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6125
6126         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6127
6128 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6129
6130         PR middle-end/22480
6131         * tree-vect-transform.c (vectorizable_operation): Return false for
6132         scalar shift operations and for vector shift operations with
6133         non-invariant shift arguments.  Use scalar tree operand op1 as
6134         a shift operand when vector shift insn pattern uses scalar shift
6135         operand.
6136         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6137
6138 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6139
6140         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6141         value if it has side-effects.
6142
6143 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6144
6145         PR target/22068
6146         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6147
6148 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6149
6150         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6151         passed as NAME as if it were label at start of function code.
6152
6153 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6154
6155         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6156         the constraints.
6157
6158 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6159
6160         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6161         as early clobber.  Rewrite so the PIC register is not implicitly used.
6162
6163 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6164
6165         * tree.c (annotate_with_file_line): Compare line numbers before
6166         file names.
6167
6168 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6169
6170         PR target/23816
6171         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6172         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6173
6174 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6175
6176         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6177         than a HOST_WIDEST_INT to gen_doloop_begin.
6178
6179 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6180
6181         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6182
6183 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6184
6185         PR tree-optimize/23817
6186         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6187
6188 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6189
6190         PR target/23774
6191         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6192         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6193         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6194         (restore_stack_nonlocal): Likewise.
6195         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6196
6197 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6198
6199         PR g++/7874
6200         * c.opt (ffriend-injection): New C++ option.
6201         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6202         (C++ Dialect Options): Document -ffriend-injection.
6203
6204 2005-09-12  Josh Conner  <jconner@apple.com>
6205
6206         PR middle-end/23237
6207         * ipa-reference.c (static_execute): Don't mark variables in
6208         named sections TREE_READONLY.
6209
6210 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6211
6212         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6213         stack_tie.
6214
6215 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6216
6217         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6218         V_MUST_DEF instead of just the first_use_p.
6219         Don't mark the virtual variables for renaming on the statement which
6220         is being removed.
6221         (pass_dse): Remove TODO_update_ssa.
6222
6223 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6224
6225         PR middle-end/23290
6226         * stor-layout.c (compute_record_mode): For records with a single
6227         field, actually check the field's mode size against the type size.
6228
6229         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6230         registers for TARGET_SHMEDIA.
6231         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6232         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6233         of GENERAL_REGS and FP_REGS.
6234
6235 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6236
6237         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6238
6239 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6240
6241         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6242         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6243         are omitted.  Exclude stack_tie insn too.
6244
6245 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6246
6247         PR rtl-optimization/23098
6248         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6249         0.0f is easy.
6250         * config/rs6000/rs6000.md (movdf splitter): Use
6251         const_double_operand predicate for TARGET_POWERPC64.
6252         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6253         SYMBOL_REF method to ABI_V4.
6254
6255         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6256         replace_equiv_address.
6257         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6258         rs6000_sr_alias_set and MEM_NOTRAP.
6259         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6260
6261 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6262
6263         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6264         handle CALL_EXPR again.
6265
6266 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6267
6268         * arm/predicates.md (alignable_memory_operand): Delete.
6269
6270 2005-09-10  Richard Henderson  <rth@redhat.com>
6271
6272         PR debug/23806
6273         * dbxout.c (dbxout_expand_expr): New.
6274         (dbxout_symbol): Use it.
6275
6276 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6277
6278         * arm.c (arm_gen_rotated_half_load): Delete.
6279         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6280         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6281         (thumb_set_return_address): Likewise.
6282         (thumb_load_double_from_address): Use adjust_address.
6283         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6284         (extendhsisi2_mem, movhi_bytes): Use change_address.
6285         (movhi): Use widen_memory_access.
6286         (reload_out_df): Use replace_equiv_address.
6287         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6288
6289 2005-09-09  Richard Henderson  <rth@redhat.com>
6290
6291         PR debug/20998
6292         * dbxout.c: Include expr.h.
6293         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6294         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6295         * Makefile.in (dbxout.o): Add EXPR_H.
6296
6297 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6298
6299         PR tree-optimization/23509
6300         * tree-cfg.c (replace_uses_by): Use replace_exp.
6301         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6302         pointers have name_mem_tag or type_mem_tag set.
6303
6304 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6305
6306         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6307         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6308         of wrongly accessing operands.
6309
6310 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6311
6312         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6313         * tree-chrec.c: Include tree-scalar-evolution.h.
6314         (chrec_convert): Instantiate the base and step before calling
6315         scev_probably_wraps_p that would fail on parametric evolutions.
6316         Collect all the fails into a single section failed_to_convert,
6317         print a diagnostic, and return chrec_dont_know instead of calling
6318         fold_convert.
6319         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6320         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6321         phi nodes.
6322         (scev_const_prop): Don't replace the definition of a loop closed ssa
6323         phi node by itself, or by another loop closed ssa phi node.
6324         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6325         that base and step are defined.
6326
6327 2005-09-09  Richard Guenther  <rguenther@suse.de>
6328
6329         PR c++/23624
6330         * fold-const.c (fold_ternary): Check truth_value_p before
6331         calling invert_truthvalue.
6332
6333 2005-09-09  Nick Clifton  <nickc@redhat.com>
6334
6335         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6336         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6337         dimension of these arrays.
6338         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6339         these arrays.
6340         * longlong.h: Only provide a prototype for the __clz_tab[] array
6341         if this header has not been included from libgcc2.h.
6342         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6343         defining own types.
6344         Provide prototypes for exported functions.
6345         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6346         libgcc2.c.
6347
6348 2005-09-08  Josh Conner  <jconner@apple.com>
6349
6350         PR c++/21135
6351         PR c++/23180
6352         * expr.c (expand_expr_addr_expr_1): Don't invoke
6353         expand_simple_binop for EXPAND_INITIALIZER.
6354
6355 2005-09-08  Richard Henderson  <rth@redhat.com>
6356
6357         PR debug/23190
6358         * toplev.c (wrapup_global_declaration_1): Split out ...
6359         (wrapup_global_declaration_2): ... from ...
6360         (wrapup_global_declarations): ... here.  Return bool.
6361         (check_global_declaration_1): Split out ...
6362         (check_global_declarations): from here.
6363         (emit_debug_global_declarations): New.
6364         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6365         check_global_declaration_1, emit_debug_global_declarations): Declare.
6366         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6367         of decls.  Call wrapup_global_declaration_1,
6368         wrapup_global_declaration_2, check_global_declaration_1 directly.
6369         (c_write_global_declarations_2): New.
6370         (ext_block): New.
6371         (c_write_global_declarations): Call c_write_global_declarations_2.
6372         * langhooks.c (write_global_declarations): Call
6373         emit_debug_global_declarations.
6374
6375         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6376         remove decls that have DECL_RTL_SET_P.
6377         * passes.c (rest_of_decl_compilation): Invoke
6378         cgraph_varpool_finalize_decl for all but functions.
6379
6380 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6381
6382         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6383         the result of a conversion if the new min and max cannot be compared.
6384
6385 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6386
6387         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6388         (override_options): Setting s390_sr_alias_set removed.
6389         (save_fpr, save_gprs): Set alias set to vararg or frame.
6390         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6391         s390_sr_alias_set with get_frame_alias_set ().
6392         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6393         get_varargs_alias_set ().
6394
6395 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6396
6397         PR objc/20574
6398         PR objc/19324
6399         * c-parser.c (c_parser_objc_method_definition): If the next
6400         token is not "{", error out and don't start the function.
6401
6402 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6403
6404         * tree-vrp.c (extract_range_from_expr): Move the check for non
6405         nullness after the check for gimple invariant.
6406
6407 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6408
6409         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6410
6411 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6412
6413         PR target/23747
6414         * config/m32r.md (movmemsi_internal): Canonicalize order of
6415         operands in PLUS component of template.
6416
6417 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6418
6419         * reload1.c (fixup_eh_region_note): Remove assertion.
6420         (fixup_abnormal_edges): Reverted removal of call to
6421         find_many_sub_basic_blocks made on 2005-08-31.
6422
6423 2005-09-07  Richard Henderson  <rth@redhat.com>
6424
6425         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6426         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6427         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6428         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6429         rearrange for better packing.
6430         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6431         (lookup_cfa_1): Remove inline marker.
6432         (cfa_equal_p): Split out of ...
6433         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6434         (build_cfa_loc): Handle !cfa->indirect.
6435         (frame_pointer_cfa_offset): New.
6436         (dbx_reg_number): Assert register elimination performed; do
6437         leaf register remapping.
6438         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6439         (eliminate_reg_to_offset): New.
6440         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6441         for verifiably local stack frame addresses; re-base to CFA.
6442         (mem_loc_descriptor): Remove can_use_fbreg argument.
6443         (concat_loc_descriptor, loc_descriptor): Likewise.
6444         (containing_function_has_frame_base): Remove.
6445         (rtl_for_decl_location): Don't do register elimination or
6446         leaf register remapping here.
6447         (secname_for_decl): Split out from ..
6448         (add_location_or_const_value_attribute): ... here.
6449         (convert_cfa_to_loc_list): New.
6450         (compute_frame_pointer_to_cfa_displacement): New.
6451         (gen_subprogram_die): Use them.
6452         * tree.h (frame_base_decl): Remove.
6453         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6454         (prologue_stack_adjust): Remove.
6455         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6456         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6457         (set_frame_base_location): Remove.
6458         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6459         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6460         (vt_add_function_parameters): Don't eliminate_regs.
6461         (vt_initialize): Don't create frame_base_decl.
6462
6463 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6464
6465         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6466         version of GNU binutils for 4.x and later.
6467
6468 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6469
6470         * ggc-page.c (ggc_push_context): Remove.
6471         (ggc_pop_context): Likewise.
6472         * ggc.h (ggc_push_context): Remove.
6473         (ggc_pop_context): Likewise.
6474
6475 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6476
6477         PR target/8973
6478         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6479         returning from an interrupt handler.
6480
6481 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6482
6483         PR target/8972
6484         * config/arc/arc.c (output_shift): Add check for loop count when
6485         optimizing.
6486
6487 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6488
6489         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6490         form manually.
6491         (abs_replacement): Likewise.
6492         (pass_phiopt): Remove TODO_update_ssa.
6493
6494 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6495
6496         PR c/23075
6497         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6498         if "return with no value, in function returning non-void" warning
6499         has been issued.
6500         * tree-cfg.c (execute_warn_function_return): Don't look at
6501         RETURN_EXPRs with TREE_NO_WARNING set.
6502
6503         PR target/22362
6504         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6505         for internal functions doesn't use registers used by global registers
6506         variables.  Use fewer register parameters if there are global register
6507         variables.
6508
6509 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6510             Eric Botcazou  <ebotcazou@adacore.com>
6511
6512         PR middle-end/14997
6513         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6514         when we would be extracting outside its bit span (bitpos+bitsize
6515         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6516         Ada unchecked conversions.
6517
6518 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6519
6520         * tree-ssa-pre.c (try_look_through_load): New function.
6521         (compute_avail): Use it to try to look through loads for some
6522         more useful expressions.
6523
6524 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6525
6526         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6527         condition for detecting cases like (a&a) and (a^a).
6528
6529 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6530
6531         * common.opt: Add option ftree-vect-loop-version.
6532         * params.def: Add --param vect-max-version-checks.
6533         * doc/invoke.texi: Document ftree-vect-loop-version and
6534         --param vect-max-version-checks.
6535         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6536         may_misalign_stmts and defines for accessors.
6537         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6538         LOOP_VINFO_MAY_MISALIGN_STMTS.
6539         (destroy_loop_vec_info): VEC_free for
6540         LOOP_VINFO_MAY_MISALIGN_STMTS.
6541         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6542         Update documentation.
6543         (vect_update_misalignment_for_peel): New.
6544         (vect_enhance_data_refs_alignment): Update to choose loop
6545         peeling or loop versioning if appropriate for the (potentially)
6546         unaligned data references in the loop.
6547         (vect_analyze_data_refs_alignment): Remove call to
6548         vect_enhance_data_refs_alignment so the checks can be done
6549         earlier.
6550         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6551         and move up call to vect_analyze_data_refs_alignment.
6552         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6553         (vect_transform_loop): Add call to loop_version.
6554
6555 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6556
6557         PR rtl-optimization/23098
6558         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6559         * simplify-rtx.c (constant_pool_reference_p): New function.
6560         * rtl.h (constant_pool_reference_p): New prototype.
6561         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6562         constant_pool_reference_p in condition and
6563         avoid_constant_pool_reference in preparation statements.
6564
6565 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6566
6567         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6568         STRICT_LOW_PART SETs.
6569
6570 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6571
6572         PR middle-end/21460
6573         * except.c (sjlj_emit_function_enter): Find the function begin
6574         note even when it's not in first basic block.
6575
6576 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6577
6578         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6579         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6580         * aclocal.m4: Regenerate.
6581
6582 2005-09-05  DJ Delorie  <dj@redhat.com>
6583
6584         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6585         of macro.
6586
6587 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6588
6589         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6590         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6591         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6592         Follow spelling conventions.
6593         * doc/invoke.texi: Follow spelling conventions.
6594
6595 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6596
6597         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6598         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6599         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6600
6601 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6602
6603         PR target/23683
6604         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6605         (output_stack_adjust): Use gen_tmp_stack_mem.
6606         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6607         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6608         (sh_get_pr_initial_val): Likewise.
6609         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6610         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6611         * sh.md (divsi_inv_m0): Use gen_const_mem.
6612         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6613         (movdf_i4+1): Use gen_tmp_stack_mem.
6614         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6615         (fpu_switch+2): Likewise.
6616         (movv4sf_i, movv16sf_i): Use adjust_address.
6617         (symGOT_load): Set MEM_NOTRAP_P bit.
6618
6619 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6620
6621         PR target/23721
6622         * pa.c (emit_move_sequence): Fix typo in last change.
6623
6624 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6625
6626         PR rtl-optimization/23454
6627         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6628         is true.
6629
6630 2005-09-03  Richard Henderson  <rth@redhat.com>
6631             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6632
6633         PR middle-end/23671
6634         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6635         gen_rtx_MEM.
6636
6637 2005-09-02  Nicolas Pitre <nico@cam.org>
6638
6639         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6640         to bit_count to 32 bits.
6641
6642 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6643
6644         PR c++/23167
6645         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6646         generating synthetic loads from volatile lvalues.
6647
6648 005-09-02  Nick Clifton  <nickc@redhat.com>
6649
6650         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6651         __ctzhi2, __clzhi2): New functions.
6652
6653 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6654
6655         PR middle-end/23547
6656         * tree-nested.c (struct var_map_elt): Mark with GTY.
6657         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6658         var_map_elt.
6659         (lookup_field_for_decl): Allocate new element in GC memory.
6660         (lookup_tramp_for_decl): Likewise.
6661         (convert_nl_goto_reference): Likewise
6662         (create_nesting_tree): Allocate info in GC memory. Likewise for
6663         info->var_map.
6664         (free_nesting_tree): Free with ggc_free instead of free.
6665         (root): New static variable.
6666         (lower_nested_functions): Remove root as local variable.  And zero out
6667         root at the end of the function.
6668
6669 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6670
6671         PR rtl-optimization/20365
6672         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6673         to short.  New member ix.
6674         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6675         (simplify_plus_minus): Initialize ix members before calling qsort.
6676
6677 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6678
6679         PR tree-optimization/23626
6680         * tree-cfg.c (replace_uses_by): Clean up eh info.
6681
6682 2005-09-01  DJ Delorie  <dj@redhat.com>
6683
6684         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6685         fprintf.
6686
6687 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6688
6689         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6690         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6691         gen_rtx_MEM.
6692
6693 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6694
6695         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6696         do not issue warning for a variable definition following
6697         a declaration.
6698
6699 2005-09-01  Richard Henderson  <rth@redhat.com>
6700
6701         PR 23668
6702         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6703         conversion to CONST_VECTOR.
6704
6705 2005-09-01  Richard Henderson  <rth@redhat.com>
6706
6707         PR 23676
6708         * reload1.c (reload_as_needed): Check !CALL_P before calling
6709         fixup_eh_region_note.
6710         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6711
6712 2005-09-01  DJ Delorie  <dj@redhat.com>
6713
6714         * varasm.c (output_constant): Let the target resolve
6715         conversions of addresses to non-default pointer sizes.
6716
6717 2005-09-01  Nicolas Pitre <nico@cam.org>
6718
6719         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6720         to alow matching ARM pre-indexed addressing mode.
6721         (arm_override_options): Remove now irrelevant comment.
6722
6723 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6724
6725         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6726         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6727         * config/i386/vxworks.h:  Likewise.
6728         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6729         * config/i386/vxworksae.h:  Likewise.
6730
6731 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6732
6733         PR tree-optimization/23410
6734         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6735         sequence is not wrapping during the first step.
6736
6737 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6738
6739         PR debug/7241
6740         * dwarf2out.c (base_type_die): Compare char_type_node with
6741         TYPE_MAIN_VARIANT (type), not type.
6742
6743 2005-09-01  Richard Guenther  <rguenther@suse.de>
6744
6745         PR tree-optimization/15366
6746         * common.opt: Add -finline-functions-called-once.
6747         Put -fearly-inlining in alphabetically ordered place.
6748         * doc/invoke.texi: Document new option.
6749         * ipa-inline.c (cgraph_decide_inlining): Honour
6750         flag_inline_functions_called_once.
6751
6752 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6753
6754         PR rtl-optimization/23478
6755         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6756         (alloc_qty): Initialize it.
6757         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6758         (combine_regs): Combine also n_throwing_calls_crossed fields.
6759         (find_free_reg): Don't attempt to caller-save pseudos crossing
6760         calls that might throw.
6761         * global.c (struct allocno): Add throwing_calls_crossed field.
6762         (global_alloc): Revert 2005-08-22 change.  Initialize
6763         throwing_calls_crossed.
6764         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6765         might throw.
6766
6767 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6768
6769         PR target/23649
6770         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6771         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6772         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6773         (and64_2_operand): Tweak to use predicate.
6774         (and_operand): Adjust for mask_operand changes.
6775         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6776         (print_operand): Likewise.
6777         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6778         (mask64_1or2_operand): Delete.
6779         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6780         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6781         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6782         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6783         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6784         (rotldi3_internal4): Likewise.
6785         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6786         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6787         (ashldi3_internal7): Likewise.
6788         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6789         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6790         (anddi3 split): Don't match mask64_operand.
6791         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6792         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6793         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6794         't' splitter predicate.
6795         (movdi_internal64 + 2): Revert 2005-06-11 change.
6796
6797 2005-08-31  DJ Delorie  <dj@redhat.com>
6798
6799         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6800         (m32c_asm_integer): Add support for 32 bit pointers.
6801
6802 2005-08-31  Richard Henderson  <rth@redhat.com>
6803
6804         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6805         component-like references for setting MEM_NOTRAP_P.
6806
6807         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6808         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6809
6810 2005-08-31  Richard Henderson  <rth@redhat.com>
6811
6812         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6813         into a pseudo before applying gen_lowpart.
6814
6815 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6816
6817         * doc/install.texi (Specific): Update cctools version required
6818         for full functionality.
6819         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6820         linkers as -macosx_version_min.
6821
6822 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6823
6824         PR target/21255
6825         * sh.c (print_operand, %R and %S): Add handling of floating point
6826         registers, memory, constants and invalid operands.
6827
6828 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6829
6830         * ipa-pure-const.c: Change dump name.
6831
6832 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6833
6834         PR target/23570
6835         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6836         to "reg_or_0_operand".
6837         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6838
6839 2005-08-31  Dale Johannesen  <dalej@apple.com>
6840
6841         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6842         loops that count down.
6843
6844 2005-08-31  Richard Henderson  <rth@redhat.com>
6845
6846         PR rtl-opt/23601
6847         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6848         (fixup_eh_region_note): New.
6849         (reload_as_needed): Call it.
6850         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6851         don't call find_many_sub_basic_blocks; call verify_flow_info.
6852         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6853         (keep_stack_depressed): Likewise.
6854         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6855
6856 2005-08-31  Richard Henderson  <rth@redhat.com>
6857
6858         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6859         fp return matching.
6860
6861 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6862
6863         * expr.c (expand_expr_real_1): Compare size of address
6864         mode to target's address mode size in deciding expansion of
6865         the constant address.
6866
6867 2005-08-31  Richard Guenther  <rguenther@suse.de>
6868
6869         PR middle-end/23477
6870         * expr.c (all_zeros_p): New function.
6871         (expand_expr_real_1): Handle the case of an all-zero
6872         non-addressable constructor separately.
6873
6874 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6875
6876         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6877         arguments, adjust all callers.
6878         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6879
6880 2005-08-30  Richard Henderson  <rth@redhat.com>
6881
6882         PR target/23630
6883         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6884         whenever the mode sizes match.
6885
6886 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6887
6888         * calls.c (load_register_parameters): Fix comment typo.
6889         * expr.c (emit_push_insn): Comment formatting.
6890
6891 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6892
6893         * config/i386/x-cygwin (host-cygwin): Change dependency from
6894         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6895
6896 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6897
6898         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6899         parts of 'vals'.
6900
6901 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6902
6903         PR middle-end/23408
6904         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6905         call to ggc_collect.
6906
6907 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6908
6909         PR bootstrap/21268
6910         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6911         beginning.  Remove $(INCLUDES) from all the rules, if following
6912         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6913
6914 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6915
6916         PR middle-end/23484
6917         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6918         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6919         not constant, but maxlen is, don't set len to maxlen, rather
6920         set maxlen to len if len is a constant.
6921
6922 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6923
6924         PR tree-optimization/23475
6925         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6926         and counts.
6927
6928 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6929
6930         Fix PR middle-end/22455
6931
6932         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6933         Checksum only the parts of the tree that exist for the tree code.
6934
6935 2005-08-28  Dale Johannesen  <dalej@apple.com>
6936
6937         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6938
6939 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6940
6941         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6942
6943 2005-08-28  Richard Henderson  <rth@redhat.com>
6944
6945         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6946         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6947         of char_type_node.
6948
6949 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6950
6951         PR ada/23593
6952         * builtins.c (get_memory_rtx): Don't strip nops
6953         in between COMPONENT_REFs.
6954
6955 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6956
6957         PR middle-end/23463
6958         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6959         types.
6960         (gimplify_modify_expr): Check for zero sized types and gimplify the
6961         rhs and lhs as statements.
6962
6963 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6964
6965         PR libgcj/23508
6966         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6967         state for return address column of signal frames.
6968
6969 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6970
6971         PR target/23539
6972         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6973         bytes >= 2 not bytes == 2.
6974         (expand_block_move): Same.
6975
6976 2005-08-27  Richard Guenther  <rguenther@suse.de>
6977
6978         PR target/23575
6979         * config/i386/sse.md (sse2_movsd): Add missing closing
6980         braces.
6981
6982 2005-08-27  Paul Brook  <paul@codesourcery.com>
6983
6984         * genrecog.c (enum decision_type): Add DT_num_insns.
6985         (struct decision_test): Add u.num_insns.
6986         (add_to_sequence): Add DT_num_insns test.
6987         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6988         (write_cond, debug_decision_2): Ditto.
6989         (change_state): Assume peep2_next_insn never fails.
6990         Remove "afterward" argument.
6991         (write afterward, write_tree): Update to match.
6992         * recog.c (peep2_current_count): New variable.
6993         (peep2_next_insn): Check it.
6994         (peephole2_optimize): Set peep2_current_count.
6995         * recog.h (peep2_current_count): Declare.
6996
6997 2005-08-26  Josh Conner  <jconner@apple.com>
6998
6999         PR middle-end/23584
7000         * ipa-pure-const.c (check_tree): Check for volatile-ness
7001         when considering a dereference.
7002
7003 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7004
7005         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7006
7007 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7008
7009         PR rtl-optimization/23561
7010         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7011         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7012         at most LEN bytes long memory fits into the field.
7013         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7014         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7015         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7016
7017 2005-08-26  Richard Henderson  <rth@redhat.com>
7018
7019         PR rtl-opt/23560
7020         * loop.c (biased_biv_may_wrap_p): New.
7021         (maybe_eliminate_biv_1): Use it to suppress non-equality
7022         comparison transformations.  Delete disabled code.
7023
7024 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7025
7026         * combine.c (make_extraction): Avoid reference outside object.
7027
7028 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7029
7030         * stor-layout.c (finalize_type_size): Restore behaviour for
7031         non-aggregate types to the status quo ante of the patch for
7032         pr 23467.  Document why it matters.
7033
7034 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7035
7036         PR c/23506
7037         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7038         array by one element, initialize the BT_LAST element with NULL.
7039
7040 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7041
7042         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7043         optimizing for size.
7044         (plus_eqsi): Same.
7045         (compare_plus_eqsi): Same.
7046         (plus_eqsi_compare): Same.
7047         (neg_eq0<mode>): Same.
7048         (neg_eq<mode>): Same.
7049
7050         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7051         PROCESSOR_POWER4.
7052
7053 2005-08-26  Nick Clifton  <nickc@redhat.com>
7054
7055         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7056         TARGET_EP is not defined.
7057         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7058         TARGET_EP is enabled.
7059         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7060         * config/v850/v850.md (save_all_interrupt): Only use the EP
7061         register if TARGET_EP is defined.
7062         (restore_all_interrupt): Likewise.
7063         * config/v850/lib1funcs.asm: Update functions so that the EP
7064         register is only used if __EP__ is defined.
7065
7066 2005-08-26  David Ung  <davidu@mips.com>
7067
7068         * config/mips/mips.c (mips_expand_prologue): Handle case when
7069         generating for MIPS16 and the outgoing argument area is more than
7070         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7071         add instruction.
7072
7073 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7074
7075         * config/crx/crx.md: Make doloop_end pattern usage controllable
7076         via mloop-nesting=<max-nesting> command line switch. Make sure
7077         the combiner cannot use doloop_end_<mode> in an illegal way.
7078         * config/crx/crx.c: Use regs up to r6 for argument passing.
7079         Refine crx_address_cost (non cst4 displacements are expensive).
7080         * config/crx/crx.opt: Add switch for mloop-nesting=.
7081
7082 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7083
7084         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7085         (UNSPEC_MVST): New constant.
7086
7087 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7088
7089         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7090         Reject operands containing eliminable registers.
7091         * testsuite/gcc.dg/20050825-1.c: New testcase.
7092
7093 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7094             Jan Hubicka  <jh@suse.cz>
7095
7096         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7097
7098 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7099
7100         PR tree-optimization/23546
7101         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7102         and REAL_CST nodes.
7103
7104 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7105
7106         * params.def (PARAM_MIN_SPEC_PROB): New.
7107         * sched-rgn.c (MIN_PROBABILITY): Delete.
7108         (compute_trg_info): Convert to PARAM_VALUE.
7109         * doc/invoke.texi (param): Document min-spec-prob.
7110
7111 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7112
7113         * config/darwin.h: define __PIC__
7114         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7115         TARGET_OS_CPP_BUILTINS macro.
7116
7117 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7118
7119         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7120         yesterday.
7121
7122 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7123
7124         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7125         to duplicate_block.
7126         * cfghooks.c (duplicate_block): Added position where to place
7127         new block as argument.
7128         * cfghooks.h (duplicate_block): Declaration changed.
7129         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7130         duplicate_block.
7131         * cfglayout.h (copy_bbs): Declaration changed.
7132         * cfgloop.h (loop_version): Declaration changed.
7133         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7134         position to copy_bbs.
7135         (loop_version): Pass position to duplicate_loop_to_header_edge.
7136         Add place_after argument and position new blocks according to
7137         it.
7138         * modulo-sched.c (sms_schedule): Pass place_after argument
7139         to loop_version.
7140         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7141         * tree-cfg.c (split_edge_bb_loc): New function.
7142         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7143         to determine position of new blocks.
7144         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7145         to loop_version.
7146         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7147         argument to duplicate_block.
7148         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7149         Pass position to copy_bbs.
7150
7151 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7152
7153         * fold-const.c (ptr_difference_const): Use
7154         cst_and_fits_in_hwi instead of host_integerp.
7155
7156 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7157
7158         * config/darwin.c (gen_pic_offset): New.
7159         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7160         Use it.
7161
7162 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7163
7164         PR tree-optimization/23486
7165         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7166
7167 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7168
7169         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7170         remove use_collect2.
7171         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7172
7173         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7174         configuration files to override the default value.
7175
7176         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7177         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7178         * config/vx-common.h:  New file, split out from...
7179         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7180         * config/vxworksae.h:  New file, for VxWorks AE.
7181         * config/vxworks.opt:  New file.
7182         * config/vxlib.c:  Update for VxWorks 6.
7183
7184         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7185         other MULTILIB_* variables appropriately.
7186         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7187         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7188         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7189         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7190
7191 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7192
7193         PR target/20799
7194         * config/darwin.c (machopic_select_section): Remove the hack to
7195         mark "::operator new" and "::operator delete" for coalescing
7196         even though they are not weak.
7197
7198 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7199
7200         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7201         * configure: Regenerate.
7202
7203 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7204
7205         PR middle-end/23517
7206         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7207         between vectors.
7208         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7209         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7210         Likewise.
7211
7212 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7213
7214         * config/rs6000/predicates.md (equality_operator): New.
7215         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7216         comparison with a large constant.
7217
7218 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7219
7220         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7221
7222 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7223
7224         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7225         registers is even, and we have a hardware double precision fp,
7226         align the buffer.
7227         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7228         size of current argument when checking if argument was passed in
7229         registers.
7230
7231         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7232
7233         PR middle-end/23467
7234         * stor-layout.c (finalize_type_size): Dont override
7235         existing alignment with a smaller alignment from the mode.
7236
7237 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7238
7239         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7240         * lambda.h (lambda_vector_lexico_pos): ... here.
7241         * tree-data-ref.c (build_classic_dist_vector): Return false when
7242         the distance vector is lexicographically negative.
7243
7244 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7245
7246         PR tree-optimization/23511
7247         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7248         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7249
7250 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7251
7252         PR tree-optimization/22043
7253         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7254         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7255         If ALLOW_FLEXARR, handle types ending with flexible array member.
7256         Pass false as second argument to recursive count_type_elements calls.
7257         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7258         argument to count_type_elements call.
7259         * tree-sra.c (decide_block_copy): Likewise.
7260         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7261         for a constant-sized object, set cleared as well.  Pass true as
7262         second argument to count_type_elements call.
7263
7264 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7265
7266         PR target/21571
7267         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7268         from legitimate_small_data_p, and make global.  Update use.
7269         Remove forward declaration.
7270         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7271         Declare.
7272         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7273
7274 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7275
7276         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7277         of scratch intermediates.
7278         (eq<mode>_compare): Same.
7279         (neg_eq0<mode>): New.
7280         (neg_eq<mode>): Convert to define_insn_and_split.
7281
7282 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7283
7284         PR target/23070
7285         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7286         stdarg functions, set/clear the fp marker even when no variable
7287         args are passed.
7288         * config/rs6000/sysv4.opt (mprototype): Describe.
7289
7290 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7291
7292         PR rtl-optimization/23478
7293         * regs.h (reg_info): Add throw_calls_crossed.
7294         (REG_N_THROWING_CALLS_CROSSED): Define.
7295         * flow.c (allocate_reg_life_data): Initialize
7296         REG_N_THROWING_CALLS_CROSSED.
7297         (propagate_one_insn, attempt_auto_inc): Update
7298         REG_N_THROWING_CALLS_CROSSED.
7299         * global.c (global_alloc): Don't allocate pseudos across
7300         calls that may throw.
7301
7302 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7303
7304         PR c/18715
7305         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7306         value is inbetween the range if we did not find an exact match.
7307
7308 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7309
7310         * doc/invoke.texi (Option Summary): Add ms1 options.
7311         * doc/extend.texi: Document interrupt handler attribute for ms1.
7312         * doc/md.texi: Document ms1 constraints.
7313         * config.gcc: Add ms1-*-elf.
7314         * config/ms1/ms1.h: New.
7315         * config/ms1/ms1.c: New.
7316         * config/ms1/ms1.md: New.
7317         * config/ms1/ms1-protos.h: New.
7318         * config/ms1/ABI.txt: New.
7319         * config/ms1/crti.asm: New.
7320         * config/ms1/crtn.asm: New.
7321         * config/ms1/lib2extra-funcs.c: New.
7322         * config/ms1/t-ms1: New.
7323         * config/ms1/ms1.opt: New.
7324
7325 2005-08-22 Ira Rosen <irar@il.ibm.com>
7326
7327         * config/rs6000/altivec.md (xorv4sf3): New.
7328         (negv4sf2, neg<mode>2): Likewise.
7329
7330 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7331
7332         PR target/23485
7333         * config/ia64/ia64.md (divsi3): Check divide by zero.
7334         (udivsi3): Likewise.
7335         (divdi3): Likewise.
7336         (udivdi3): Likewise.
7337
7338 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7339
7340         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7341         up to elem_bitsize bits, not max_bitsize.
7342
7343 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7344
7345         PR tree-optimization/23433
7346         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7347         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7348
7349 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7350
7351         PR tree-optimization/23434
7352         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7353         the iteration bound is not an INTEGER_CST.
7354
7355 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7356
7357         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7358         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7359         NULL if need_epilog_adjust is false.
7360         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7361         Case 3 always peels first itration, not just for PLUS case, and no need
7362         to use scalar_initial_def here. Create an epilog adjustment only if
7363         scalar_initial_def is not NULL.
7364
7365         (vectorizable_reduction): Remove assert.
7366
7367 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7368
7369         PR target/23485
7370         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7371         (__moddi3): Likewise.
7372         (__udivdi3): Likewise.
7373         (__umoddi3): Likewise.
7374         (__divsi3): Likewise.
7375         (__modsi3): Likewise.
7376         (__udivsi3): Likewise.
7377         (__umodsi3): Likewise.
7378
7379 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7380
7381         * tree-pass.h (TDF_GRAPH): Define.
7382         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7383         * passes.c (finish_optimization_passes): Only call
7384         finish_graph_dump_file if TDF_GRAPH is set.
7385         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7386         NULL.  Set TDF_GRAPH bit.
7387         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7388
7389 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7390
7391         * arm.h (arm_stack_offsets): Add locals_base field.
7392         * arm.c (arm_get_frame_offsets): Compute it.
7393         (thumb_compute_initial_elimination offset): Make the Thumb frame
7394         pointer point to the base of the local variables.
7395         (thumb_expand_prologue): Update accordingly.
7396         (thumb_expand_epilogue): Likewise.
7397
7398         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7399         mode of clobbered scratch to DImode.  Handle a case that's known to
7400         need this.
7401
7402 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7403
7404         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7405         (gt0<mode>_compare): Delete.
7406         (neg_gt0<mode>): Delete.
7407
7408 2005-08-19  Eric Christopher  <echristo@apple.com>
7409
7410         * optabs.h: Change CTI_ to COI_.
7411         * optabs.c: Ditto.
7412
7413 2005-08-19  James E Wilson  <wilson@specifix.com>
7414
7415         * builtins.c (expand_builtin_return_addr): Set
7416         current_function_accesses_prior_frames when count != 0.  Use
7417         frame_pointer_rtx when count == 0.
7418         * function.h (struct function): Add accesses_prior_frames field.
7419         (current_function_accesses_prior_frames): Define.
7420         * reload1.c (init_elim_table): Check
7421         current_function_accesses_prior_frames.
7422         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7423
7424 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7425
7426         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7427         indicator.  Return true if the flowgraph changed during
7428         cleanup.
7429
7430 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7431
7432         PR 23476
7433         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7434         conditional expression before testing its value.
7435
7436 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7437
7438         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7439
7440 2005-08-19  Devang Patel  <dpatel@apple.com>
7441
7442         PR tree-optimization/23048
7443         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7444         third parameter. Check whether latch is dominated by exit
7445         block or not.
7446         (if_convertible_loop_p): Supply exit block itself to
7447         if_convertible_bb_p.
7448
7449 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7450
7451         PR target/23473
7452         * arm.md (arm_load_pic_register): Change argument to the mask of
7453         saved registers.  Call thumb_find_work_register if we need a
7454         scratch register on Thumb.
7455         (arm_expand_prologue): Pass empty register set to
7456         arm_load_pic_register.
7457         (thumb_expand_prologue): Pass live_regs_mask directly to
7458         arm_load_pic_register.
7459         * arm-protos.h (arm_load_pic_register): Update prototype.
7460
7461 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7462
7463         * sh.c (find_sole_member): New function.
7464         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7465         if the record's alignment is larger than the size of its only member.
7466
7467 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7468
7469         PR target/23436
7470         * arm.c (thumb_legitimize_reload_address): New function.
7471         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7472         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7473
7474 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7475
7476         * config/crx/crx.c: Implement crx_decompose_address. Reject
7477         symbolic displacements since CRX register relative adressing
7478         mode can't handle unsigned 32-bit values as displacements.
7479         * config/crx/crx.h: Simplify definitions, remove redundant
7480         parenthesis and obsolete macros.
7481         * config/crx/crx.opt: Add new switch for debugging addresses.
7482         * config/crx/crx-protos.h: Add new declarations for above.
7483
7484 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7485
7486         PR middle-end/20624
7487         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7488         looking past it.
7489
7490 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7491
7492         * collect2.c (dup2): Delete.
7493         * configure.ac: Don't check for dup2.
7494
7495         * config.in, configure: Regenerate.
7496
7497 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7498
7499         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7500         record with the type of its only member.
7501
7502 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7503
7504         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7505         define_insn_and_split.
7506         (plus_ltu<mode>_compare): Same.
7507         (gtu<mode>_compare): Same.
7508         (plus_gtu<mode>_compare): Same.
7509
7510 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7511
7512         PR tree-optimization/22228
7513         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7514         todo_flags_start.
7515         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7516         are recorded in vect_vnames_to_rename for renaming.
7517         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7518         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7519         in vect_vnames_to_rename.
7520         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7521         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7522
7523 2005-08-18  Jan Hubicka  <jh@suse.cz>
7524
7525         PR c++/22034
7526         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7527         info only for local statics, not for member variables.
7528
7529 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7530
7531         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7532
7533 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7534
7535         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7536
7537 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7538
7539         PR middle-end/16045
7540         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7541
7542 2005-08-17  James E Wilson  <wilson@specifix.com>
7543
7544         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7545         array size check.
7546
7547 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7548
7549         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7550         (leu<mode>_compare): Same.
7551         (plus_leu<mode>): Same.
7552         (neg_leu<mode>): Same.
7553         (and_neg_leu<mode): Same.
7554         (ltu<mode>_compare): Same.
7555         (plus_ltu<mode>): Same.
7556         (geu<mode>): Same.
7557         (geu<mode>_compare): Same.
7558         (plus_geu<mode>): Same.
7559         (neg_geu<mode>): Same.
7560         (and_neg_geu<mode>): Same.
7561         (plus_gt<mode>): Same.
7562         (gtu<mode>_compare): Same.
7563         (plus_gtu<mode>): Same.
7564
7565 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7566
7567         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7568         Move call_table_data to end.  Delete spurious .text.
7569         (callt_save_all_interrupt): Fix comment typo.
7570
7571 2005-08-17  James E Wilson  <wilson@specifix.com>
7572             Kevin Winchester  <winchester@amirix.com>
7573
7574         PR target/21684
7575         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7576
7577 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7578
7579         PR target/23268
7580         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7581         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7582
7583 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7584
7585         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7586         record with the type of its only member if the modes don't match.
7587
7588         * varasm.c (decode_reg_name): Skip empty additional register names.
7589
7590 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7591
7592         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7593         lsm_tmp_name_length): New.
7594         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7595         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7596
7597 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7598             Andreas Krebbel  <krebbel1@de.ibm.com>
7599
7600         * config.gcc: Added z9-109 switch.
7601         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7602         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7603         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7604         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7605         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7606         for "z9_109" cpu attribute.
7607         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7608         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7609         (s390_handle_arch_option): Added z9-109 switch.
7610         (override_options): Set respective cost function for z9-109.
7611         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7612         (legitimate_reload_constant_p): Accept extended immediates.
7613         (print_operand): Three new output modifiers added: k, m and o.
7614         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7615         (s390_output_mi_thunk): Use extended immediate when possible.
7616         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7617         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7618         (CONSTRAINT_LEN): Added length of O constraint.
7619         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7620         * config/s390/s390.md ("cpu"): New value z9_109 added.
7621         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7622         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7623         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7624         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7625         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7626         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7627         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7628         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7629         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7630         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7631         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7632         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7633         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7634         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7635         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7636         immediates.
7637         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7638         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7639         insns for TARGET_EXTIMM.
7640
7641 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7642
7643         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7644
7645 2005-08-17  Nick Clifton  <nickc@redhat.com>
7646
7647         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7648         Call default_encode_section_info.
7649
7650 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7651
7652         PR tree-optimization/21574
7653         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7654         constant, return CONSTANT.
7655         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7656         (ccp_fold, visit_assignment): Likewise.
7657         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7658
7659 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7660
7661         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7662         fold_buildN instead of buildN then fold_initializer or fold.
7663         (build_unary_op): Likewise.
7664         (build_binary_op): Likewise.
7665         * fold-const.c (fold_initializer): Remove.
7666         (fold_build1_initializer): New function.
7667         (fold_build2_initializer): New function.
7668         (fold_build3_initializer): New function.
7669         * tree.h (fold_initializer): Remove.
7670         (fold_build1_initializer): New function.
7671         (fold_build2_initializer): New function.
7672         (fold_build3_initializer): New function.
7673
7674 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7675
7676         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7677         (try_move_mult_to_index): Call fold_build2 instead of build2.
7678         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7679         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7680         fold_binary_to_constant.
7681         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7682         fold (build.
7683         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7684         check if A == gcd (A, B).  Remove TYPE argument.
7685         (analyze_offset) Use fold_build2 instead of fold (build.
7686         (create_data_ref): Likewise.
7687         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7688         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7689         then fold.
7690
7691 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7692
7693         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7694         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7695
7696 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7697
7698         PR tree-opt/23402
7699         * gimplify.c (zero_sized_type): New function.
7700         (gimplify_modify_expr_rhs): If we have a zero sized type,
7701         replace the statement with an empty statement.
7702
7703 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7704
7705         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7706         fxsave.
7707
7708 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7709
7710         * doc/tm.texi (Label Output): Correct typo.
7711
7712 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7713
7714         PR target/23376
7715         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7716         force_operand will work later on using have_insn_for.
7717
7718 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7719
7720         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7721
7722 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7723
7724         PR c++/23337
7725         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7726         vector type, don't try to construct it element by element.  Add an
7727         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7728
7729 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7730
7731         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7732
7733 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7734
7735         * doc/invoke.texi (Precompiled Headers): Document some more options
7736         which are known to be safe.
7737
7738 2005-08-16  James E Wilson  <wilson@specifix.com>
7739
7740         PR tree-optimization/21105
7741         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7742         TREE_OVERFLOW check.
7743
7744 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7745
7746         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7747         (neg_ltu<mode>): Same.
7748         (gtu<mode>): Same.
7749         (neg_gtu<mode>): Same.
7750
7751 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7752
7753         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7754         (fold_builtin_isdigit): Use fold_buildN.
7755         (build_function_call_expr): Likewise.
7756         * c-typeck.c (c_finish_loop): Likewise.
7757
7758 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7759             Richard Shann <rshann@superh.com>
7760
7761         PR middle-end/20396:
7762         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7763
7764 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7765
7766         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7767
7768 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7769
7770         PR target/23355
7771         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7772         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7773         must be saved.
7774
7775 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7776
7777         PR middle-end/23369
7778         * fold-const.c (build_range_check): Disable optimization for function
7779         pointer expressions on targets that require function pointer
7780         canonicalization.
7781
7782 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7783
7784         * simplify-rtx.c (simplify_const_relational_operation): When
7785         extracting arguments of a COMPARE, recompute the mode as well.
7786
7787 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7788
7789         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7790
7791 2005-08-15  DJ Delorie  <dj@redhat.com>
7792
7793         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7794         the stack.
7795         (movsi_splittable): Allow, but split, moves to the stack.
7796         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7797         stack.
7798
7799 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7800
7801         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7802         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7803         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7804
7805         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7806         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7807         Delete HOST_PTR_PRINTF.
7808
7809         * configure, config.in: Regenerate.
7810
7811 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7812
7813         * config/rs6000/rs6000.md (QHSI): New mode macro.
7814         (wd): Extend mode attr for QImode and HImode
7815         (dbits): New mode attr.
7816         (zero_extend<mode>di2): Convert to mode macro.
7817
7818 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7819
7820         PR target/21841
7821         * doc/invoke.texi (-mgnu-ld): Update description.
7822         (-mhp-ld): Ditto.
7823
7824 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7825
7826         PR 23391
7827         * Makefile.in (tree-chrec.o): Depends on real.h.
7828         * tree-chrec.c: Include real.h.
7829         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7830         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7831         * tree-scalar-evolution.c (add_to_evolution_1,
7832         interpret_rhs_modify_expr): Ditto.
7833
7834 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7835
7836         PR 23386
7837         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7838         step is negative compute the estimation from init downwards to zero.
7839
7840 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7841
7842         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7843
7844 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7845
7846         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7847         constraint.
7848         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7849         Accept double-word constants that can be split.
7850         * config/s390/s390.md ("movti"): Use 'P' constraint.
7851         ("*movdi_31", "*movdf_31"): Likewise.
7852
7853 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7854
7855         Fix PR tree-optimization/22615
7856
7857         * tree-ssa-structalias.c (solution_set_add): Handle
7858         first_vi_for_offset returning NULL.
7859         (do_da_constraint): Ditto.
7860         (do_sd_constraint): Ditto.
7861         (do_ds_constraint): Ditto
7862         (find_func_aliases): Ditto.
7863         (build_constraint_graph): RHS is allowed be ANYTHING.
7864         (first_vi_for_offset): Return NULL if we couldn't find anything at
7865         the offset.
7866
7867 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7868
7869         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7870         over memory as first operand.
7871
7872 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7873
7874         PR target/23360
7875         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7876         available for setting it.
7877
7878 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7879
7880         PR tree-optimization/23320
7881         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7882         data-refs' types instead of base object nullness. Add check for
7883         pointer type data-refs before first location comparison. Remove
7884         assert.
7885
7886 2005-08-14  Andreas Schwab  <schwab@suse.de>
7887
7888         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7889
7890 2005-08-13  James E Wilson  <wilson@specifix.com>
7891
7892         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7893         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7894         -fstack-protector-all, --param ssp-buffer-size): Document.
7895         (-Wvariadic-macros): Alphabetize.
7896         (-fsched-stalled-insns-dep): Add missing 'f'.
7897
7898         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7899         macros.
7900
7901 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7902
7903         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7904         or indirect address operand.
7905         (EXTRA_ADDRESS_CONSTRAINT): New.
7906         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7907
7908 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7909
7910         PR tree-optimization/22236
7911         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7912         successors and predecessors.
7913         * tree-chrec.c (chrec_convert): Before converting, check that
7914         sequences don't wrap.
7915         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7916         (analyze_array): Extern.
7917         (find_data_references_in_loop): Remove call to
7918         compute_estimated_nb_iterations.
7919         * tree-data-ref.h (analyze_array): Declared.
7920         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7921         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7922         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7923         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7924         condition.
7925         * tree-ssa-loop-ivcanon.c: Fix documentation.
7926         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7927         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7928         (infer_loop_bounds_from_undefined): New.
7929         (estimate_numbers_of_iterations_loop): Use
7930         infer_loop_bounds_from_undefined.
7931         (used_in_pointer_arithmetic_p): New.
7932         (scev_probably_wraps_p): Pass an extra parameter.  Call
7933         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7934         (convert_step): Fix documentation.
7935         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7936         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7937         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7938         scev_probably_wraps_p.
7939
7940 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7941
7942         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7943         (s390_register_info): Ignore clobbered_regs information for fixed
7944         registers, and only fixed registers.
7945         (s390_init_frame_layout): Remove redundant call.
7946
7947 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7948
7949         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7950         description of -Wold-style-casts.
7951
7952 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7953             Jakub Jelinek  <jakub@redhat.com>
7954
7955         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7956         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7957         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7958         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7959         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7960         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7961         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7962         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7963         ("stack_protect_set", "stack_protect_test"): New expanders.
7964         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7965         "stack_protect_testdi"): New insn definitions.
7966
7967 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7968
7969         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7970
7971 2005-08-12  Paul Brook  <paul@codesourcery.com>
7972
7973         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7974
7975 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7976
7977         * config/s390/predicates.md (setmem_operand): New predicate.
7978         (shift_count_operand): Accept ANDs with special constants as
7979         operand.
7980         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7981         with special constants.
7982         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7983         shift_count_operand with setmem_operand.
7984
7985 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7986
7987         * config/s390/s390.c (s390_extract_part, s390_single_part):
7988         Type cast added.
7989         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7990         (s390_output_mi_thunk): Don't use lg on 31 bit.
7991         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7992         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7993
7994 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7995
7996         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7997         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7998         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7999         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8000         with one of the new macros.
8001
8002 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8003
8004         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8005         Don't set save_return_addr_p.
8006         (s390_register_info): Make clobbered_regs not depending on
8007         save_return_addr_p.
8008
8009 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8010
8011         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8012         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8013
8014 2005-08-11  James E. Wilson  <wilson@specifix.com>
8015
8016         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8017
8018 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8019
8020         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8021         locations gathered by var-tracking in single entry loc_list
8022         over loc_descriptor_from_tree.
8023
8024         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8025         pass it down to loc_descriptor.
8026         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8027         (containing_function_has_frame_base): Move earlier in the file.
8028         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8029         instead of always assuming fbreg can't be used.
8030
8031 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8032
8033         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8034         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8035         Accept address wrapped in AND for Altivec.
8036         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8037         Strip AND wrapping offset address for Altivec.
8038
8039 2005-08-11  Richard Henderson  <rth@redhat.com>
8040
8041         PR middle-end/23312
8042         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8043         before using TYPE_IS_SIZETYPE.
8044
8045 2005-08-11  Richard Henderson  <rth@redhat.com>
8046
8047         PR target/22225
8048         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8049         insn types not present on ev4.
8050         (alphaev5_insn_pipe): Similarly.
8051
8052 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8053
8054         PR target/23250
8055         * arm.c (arm_override_options): If the user has selected callee-super-
8056         interworking, then enable normal interworking.
8057
8058 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8059
8060         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8061         redefinition.
8062
8063 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8064
8065         * doc/rtl.texi: Fix two typos.
8066
8067 2005-08-11  Richard Guenther  <rguenther@suse.de>
8068
8069         PR target/23289
8070         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8071         cases where we call to/from functions returning void.
8072
8073 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8074
8075         PR c++/23225
8076         * tree.c (build_pointer_type_for_mode): Robustify.
8077
8078 2005-08-10  James E Wilson  <wilson@specifix.com>
8079
8080         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8081         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8082
8083         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8084         "cum->".
8085
8086 2005-08-10  Eric Christopher  <echristo@apple.com>
8087
8088         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8089         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8090         V2DFmode.
8091
8092 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8093
8094         PR target/21887
8095         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8096         for the high part when generating dynamic-no-pic code.
8097
8098 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8099
8100         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8101         (x86_64-*-linux*): Likewise.
8102
8103         * config/i386/crtfastmath.c: New file.
8104         * config/i386/t-crtfm: Likewise.
8105
8106         * config/i386/linux.h (ENDFILE_SPEC): New.
8107         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8108
8109         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8110         crtfastmath.o.
8111
8112 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8113
8114         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8115         (vec_shl, vec_shr): Document new operations.
8116         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8117
8118 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8119
8120         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8121         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8122         change predicate to indexed_or_indirect_address.
8123
8124 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8125
8126         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8127         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8128         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8129         and __aeabi_uwrite8.
8130         * config/arm/unaligned-funcs.c: New file.
8131         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8132
8133 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8134
8135         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8136         Add dump.
8137         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8138         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8139         Add dump.
8140         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8141         * final.c (pass_shorten_branches): Add dump.
8142         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8143         (pass_life): Rename dump.
8144         (rest_of_handle_flow2): Remove initial verify_flow_info.
8145         * function.c (pass_instantiate_virtual_regs): Add dump.
8146         * integrate.c (pass_initial_value_sets): Add dump.
8147         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8148         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8149         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8150         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8151         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8152         gate_rtl_unrool_and_peel_loops): New.
8153         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8154         rtl_doloop): Do not look at flags.
8155         * mode-switching.c (pass_mode_switching): Add dump.
8156         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8157         pass_split_before_regstack): Add dump.
8158         * regmove.c (pass_stack_adjustments): Add dump.
8159         * tree-optimize.c (pass_fixup_cfg): Add dump.
8160
8161 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8162
8163         PR 23309
8164         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8165         deciding which instruction sequence to use.
8166
8167 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8168
8169         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8170         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8171
8172 2005-08-09  Richard Guenther  <rguenther@suse.de>
8173
8174         * c-common.c (builtin_function_2): Remove.
8175         (def_builtin_1): New function.
8176         (c_common_nodes_and_builtins): Use def_builtin_1 to
8177         build builtin functions.
8178
8179 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8180
8181         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8182         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8183         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8184         Visual DSP.
8185
8186 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8187
8188         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8189         fold_binary instead of fold_build2 since we don't care about the
8190         resulting tree.
8191         (loop_niter_by_eval): Likewise.
8192         (compare_trees): Likewise.
8193         (proved_non_wrapping_p): Likewise.
8194
8195 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8196
8197         PR c/23161
8198         PR c/23165
8199         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8200         if the if is really empty.
8201
8202 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8203
8204         PR tree-optimization/23234
8205         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8206         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8207         argument of the new enum.
8208         (execute_cse_reciprocals): Add reciprocals for function arguments
8209         on the unique successor edge of the entry block.  Update other calls
8210         to execute_cse_reciprocals_1.
8211
8212 2005-08-08  Richard Henderson  <rth@redhat.com>
8213
8214         PR 22439
8215         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8216
8217 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8218
8219         * expr.c (write_complex_part): Return after handling MEM.
8220
8221 2005-08-08  Josh Conner  <jconner@apple.com>
8222
8223         PR rtl-optimization/23241
8224         * combine.c (simplify_comparison): Fix error in determining
8225         whether to lift a subreg from comparison.
8226
8227 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8228
8229         PR target/18506
8230         * config/rs6000/altivec.md (vec_init<mode>): New.
8231         (vec_set<mode>): New.
8232         (vec_extract<mode>): New.
8233         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8234         (rs6000_expand_vector_set): New.
8235         (rs6000_expand_vector_extract): New.
8236         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8237         for Altivec modes before reload.
8238         (altivec_expand_vec_init_builtin): New.
8239         (get_element_number): New.
8240         (altivec_expand_vec_set_builtin): New.
8241         (altivec_expand_vec_ext_builtin): New.
8242         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8243         builtins.
8244         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8245         builtins.
8246         * config/rs6000/rs6000.h (rs6000_builtins): Add
8247         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8248         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8249         * config/rs6000/rs6000-protos.h: Declare new functions.
8250
8251 2005-08-08  Jan Hubicka  <jh@suse.cz>
8252
8253         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8254         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8255         * i386.md (movdi*): Use pic_32bit_operand.
8256         * predicates.md (pic_32bit_operand): New.
8257
8258 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8259
8260         PR c++/21166
8261         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8262
8263 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8264
8265         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8266         (test_for_singularity): Use fold_build2.
8267
8268 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8269
8270         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8271
8272 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8273
8274         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8275         (COMMON_ASM_OP) Define.
8276         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8277         (ix86_encode_section_info): Likewise.
8278         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8279         SUBTARGET_ENCODE_SECTION_INFO.
8280
8281 2005-08-06  Richard Henderson  <rth@redhat.com>
8282
8283         PR 21894
8284         * tree-nested.c (convert_local_reference): Save and restore val_only
8285         around component_ref and friends.  Clear walk_subtrees by default.
8286
8287 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8288
8289         PR 21366
8290         * gcc.c (process_command): Check the argument to -b has a dash.
8291         * doc/invoke.texi: Update -b and -V docs.
8292
8293 2005-08-06  James E Wilson  <wilson@specifix.com>
8294
8295         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8296
8297 2005-08-06  Michael Matz  <matz@suse.de>
8298
8299         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8300         member only if only one insn is associated with the value.
8301
8302 2005-08-06  Nick Clifton  <nickc@redhat.com>
8303
8304         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8305         New define.
8306         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8307         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8308         Check symbol flags instead of symbol name mangling.
8309         (xstormy16_asm_output_aligned_common): Likewise.  Also
8310         simplify code since the bss100_section cass is the only case
8311         where the below100 code will be triggered.
8312         (xstormy16_encode_section_info): Encode below100 attribute
8313         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8314         the name.
8315         (xstormy16_strip_name_encoding): Delete - this function is no
8316         longer needed.
8317         (TARGET_STRIP_NAME_ENCODING): Undefine.
8318         * config/stormy16/stormy16-protos.h: Delete prototype for
8319         xstormy16_strip_name_encoding.
8320
8321 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8322
8323         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8324         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8325         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8326         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8327         config/alpha/predicates.md, config/arc/arc.h,
8328         config/arm/arm.h, config/arm/ieee754-df.S,
8329         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8330         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8331         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8332         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8333         config/m68hc11/m68hc11.h, config/mips/mips.c,
8334         config/mips/mips.h, config/mips/openbsd.h,
8335         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8336         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8337         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8338         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8339         config/sparc/linux.h, config/sparc/linux64.h,
8340         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8341         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8342         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8343         typos.  Follow spelling conventions.
8344
8345 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8346
8347         PR c/23113
8348         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8349         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8350         specially.  Check for side effects only for COND_EXPR.
8351         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8352         return with TREE_NO_WARNING.
8353
8354 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8355
8356         PR rtl-optimization/23233
8357         * loop.c (combine_movables): Require the modes to be the same.
8358         (move_movables): Remove handling of cases where the replacement
8359         had a different mode to the original.
8360
8361 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8362
8363         PR tree-optimization/23128
8364         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8365         subtraction wrap, and set TREE_OVERFLOW if they do.
8366
8367 2005-08-05  Richard Henderson  <rth@redhat.com>
8368
8369         PR 21728
8370         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8371         FORCED_LABEL labels.
8372
8373 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8374
8375         PR middle-end/23135
8376         * reload.c (find_reloads_subreg_address): Pass down TYPE
8377         unchanged.  Change all callers except find_reloads_toplev.
8378
8379 2005-08-05  Michael Matz  <matz@suse.de>
8380
8381         * genattrtab.c (current_alternative_string): Remove.
8382         (SIMPLIFY_ALTERNATIVE): Ditto.
8383         (attr_alt_bit_p): Ditto.
8384         (alternative_name): Make const char *.
8385         (evaluate_eq_attr): Remove use of above things.
8386         (simplify_test_exp): Ditto.
8387         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8388         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8389
8390 2005-08-04  James E Wilson  <wilson@specifix.com>
8391
8392         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8393         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8394         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8395         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8396         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8397
8398 2005-08-04  Richard Henderson  <rth@redhat.com>
8399
8400         PR 21529
8401         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8402         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8403         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8404         if we'd have to instantiate too many members.
8405
8406 2005-08-04  Richard Henderson  <rth@redhat.com>
8407
8408         PR 21291
8409         * tree-outof-ssa.c (coalesce_asm_operands): New.
8410         (coalesce_ssa_name): Use it.  Split out ...
8411         (coalesce_phi_operands, coalesce_result_decls): ... these.
8412
8413 2005-08-04  Paul Brook  <paul@codesourcery.com>
8414
8415         * read-rtl.c (read_quoted_string): Break if EOF.
8416
8417 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8418
8419         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8420         (fold_build2): Likewise.
8421         (fold_build3): Likewise.
8422         (fold_build1_stat): New function prototype.
8423         (fold_build2_stat): Likewise.
8424         (fold_build3_stat): Likewise.
8425         * fold-const.c (fold_build1): Rename to ..
8426         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8427         through to build1_stat.
8428         (fold_build2): Rename to ..
8429         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8430         through to build2_stat.
8431         (fold_build3): Rename to ..
8432         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8433         through to build3_stat.
8434
8435 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8436             Ian Lance Taylor  <ian@airs.com>
8437
8438         * function.c (assign_stack_local_1): Do not correct stack slot
8439         address if allocation size is smaller than mode size.
8440
8441 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8442
8443         PR 22037
8444         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8445         (tree_merge_blocks): Propagate anything allowed by
8446         may_propagate_copy.
8447         Clarify documentation.
8448         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8449         SSA form, schedule an update if necessary.
8450
8451 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8452
8453         * doc/install.texi (Binaries): Remove broken link to
8454         Sinix/Reliant Unix binaries.
8455
8456 2005-08-03  Richard Henderson  <rth@redhat.com>
8457
8458         PR 23221
8459         * function.c (stack_protect_epilogue): Export.
8460         * tree.h (stack_protect_epilogue): Declare.
8461         * calls.c (expand_call): Call it.
8462
8463 2005-08-03  Eric Christopher  <echristo@apple.com>
8464
8465         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8466         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8467         spec.
8468
8469 2005-08-04  Jan Hubicka  <jh@suse.cz>
8470
8471         * profile.c (branch_prob): Split edges with goto locus on them
8472         to get proper line counts.
8473         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8474
8475 2005-08-03  Paul Brook  <paul@codesourcery.com>
8476
8477         * function.c (assign_parms): Round current_function_args_size
8478         to PARM_BOUNDARY, not STACK_BOUNDARY.
8479
8480 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8481
8482         * config/i386/i386.c (x86_elf_aligned_common)
8483         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8484
8485 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8486
8487         PR tree-optimization/23157
8488         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8489         before emitting them.
8490
8491 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8492
8493         PR tree-optimization/19899
8494         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8495         * tree-scalar-evolution.c: Include real.h.
8496         (add_to_evolution): Build constant -1 of correct type.
8497
8498 2005-08-03  Jan Hubicka  <jh@suse.cz>
8499
8500         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8501         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8502         profile updating for complette unrolling.
8503         * loop-unroll.c (peel_loop_completely): Use it.
8504         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8505         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8506         loops.
8507
8508 2005-08-03  Paul Brook  <paul@codesourcery.com>
8509
8510         * combine.c (can_change_dest_mode): New function.
8511         (try_combine, simplify_set): Use it.
8512
8513 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8514
8515         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8516         TFmode to BLKmode.
8517
8518 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8519
8520         * doc/install.texi (Specific): Adjust link to openavr.org.
8521         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8522         (Binaries): Adjust HP-UX Porting Center link.
8523         (Binaries): Adjust Free Software Foundation ordering link.
8524
8525 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8526
8527         * convert.c (convert_to_integer): Use fold_build1 instead of
8528         build1 when converting an integer to an integer.
8529
8530 2005-08-02  Richard Henderson  <rth@redhat.com>
8531
8532         * combine.c (combine_instructions): Don't use reg_equal/equiv
8533         results if the mode doesn't match.
8534
8535 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8536
8537         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8538         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8539
8540 2005-08-02  Richard Henderson  <rth@redhat.com>
8541
8542         PR 23196
8543         * explow.c (memory_address): Remove special-case for
8544         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8545
8546 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8547
8548         PR 23164
8549         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8550         number of calls to cleanup_tree_cfg_1.
8551
8552 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8553
8554         * doc/invoke.texi: document file extensions .F90 and .F95
8555
8556 2005-08-02  Richard Guenther  <rguenther@suse.de>
8557
8558         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8559         positive if its first argument is positive.
8560
8561 2005-08-02  Richard Guenther  <rguenther@suse.de>
8562
8563         PR tree-optimization/23177
8564         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8565         on TMR_TAG.
8566
8567 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8568
8569         PR tree-optimization/23129
8570         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8571         varying for divisions with anti-ranges.
8572
8573 2005-08-02  Jan Hubicka  <jh@suse.cz>
8574
8575         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8576         * tree-ssa-threadupdate.c (thread_block): Add it here.
8577
8578 2005-08-01  James E Wilson  <wilson@specifix.com>
8579
8580         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8581         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8582         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8583         New.
8584         * config/mips/predicates.md (const_call_insn_operand): Add check for
8585         SYMBOL_REF_LONG_CALL_P.
8586         * doc/extend.texi (long_call): Document the new attribute.
8587
8588 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8589             Richard Henderson  <rth@redhat.com>
8590
8591         * Makefile.in (RTL_BASE_H): Add real.h.
8592         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8593         instead of memcpy.
8594         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8595         directly.
8596         * rtl.c (rtl_check_failed_code_mode): New.
8597         * rtl.h (struct rtx_def): Add u.rv.
8598         (XCMWINT, XCNMPRV): New.
8599         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8600         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8601
8602 2005-08-01  Richard Henderson  <rth@redhat.com>
8603
8604         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8605         with auto-inc codes.
8606
8607         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8608
8609 2005-08-01  Jan Hubicka  <jh@suse.cz>
8610
8611         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8612         * i386.c: Include dwarf2.h
8613         (asm_preferred_eh_data_format): New.
8614         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8615
8616 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8617
8618         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8619         randomize_va_space for virtual address randomization control.
8620
8621 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8622
8623         * common.opt (flag_ipa_cp): Put in right place to maintain
8624         alphabetic sort.
8625
8626 2005-08-01  Jan Hubicka  <jh@suse.cz>
8627
8628         * profile.c (compute_value_histograms): Fix thinko.
8629         * value-prof.c: Include toplev.h
8630         (check_counter): New function.
8631         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8632         tree_mod_subtract_transform): Add sanity check.
8633
8634 2005-08-01  Richard Guenther  <rguenther@suse.de>
8635
8636         PR tree-optimization/23133
8637         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8638         current functions parameter decls to find defs to cse
8639         reciprocals of.
8640
8641 2005-08-01  Richard Guenther  <rguenther@suse.de>
8642
8643         PR tree-optimization/23109
8644         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8645         If trapping math is in effect, use post-dominator information
8646         to check if we'd in any case reach a trapping point before
8647         doing the reciprocal insertion.
8648         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8649         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8650         expressions are invariant only if trapping math is not in effect.
8651
8652 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8653
8654         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8655         cgraph_function_versioning): New declarations.
8656         * cgraphunit.c: Add include to ipa-prop.h.
8657         (update_call_expr, cgraph_copy_node_for_versioning,
8658         cgraph_function_versioning): New functions.
8659         * integrate.c (copy_decl_for_inlining): Remove.
8660         * ipa-prop.h (ipa_replace_map): New struct.
8661         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8662         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8663         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8664         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8665         ipcp_iterate_stage, ipcp_method_scale_print,
8666         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8667         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8668         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8669         ipcp_update_bb_counts, ipcp_update_profiling,
8670         ipcp_update_edges_counts): New functions.
8671         (ipcp_method_cval_init): Remove restriction regarding local methods.
8672         (ipcp_init_stage): Add ipcp_method_compute_scale.
8673         (ipcp_insert_stage): Add versioning.
8674         (ipcp_structures_print): Add ipcp_method_scale_print.
8675         (ipcp_driver): Dump profiling info.
8676         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8677         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8678         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8679         (struct inline_data): Add versioning_p, ipa_info, new fields.
8680         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8681         declare_return_variable): Replace calls to copy_decl_for_inlining with
8682         copy_decl_for_dup.
8683         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8684         versioning support.
8685         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8686         Add argument VERSIONING.
8687         (copy_arguments_for_versioning, copy_static_chain,
8688         function_versionable_p, tree_versionable_function_p,
8689         tree_function_versioning, replace_ref_tree): New functions.
8690         * tree-inline.h: Include varray.h.
8691         (tree_versionable_function_p,  tree_function_versioning,
8692         tree copy_decl_for_dup): New declarations.
8693
8694 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8695
8696         * ipa-cp.c: New file. Contains IPCP specific functionality.
8697         * ipa-prop.h: New file. Contains structures/definitions that can be
8698         used by several interprocedural data flow optimizations (and also IPCP).
8699         * ipa-prop.c: New file.
8700         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8701         * common.opt: Add ipa-cp flag.
8702         * timevar.def: Add IPCP optimization.
8703         * tree-optimize.c (init_tree_optimization_passes): Schedule
8704         pass_ipa_cp.
8705         * tree-pass.h (pass_ipa_cp): Declare.
8706
8707 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8708
8709         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8710         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8711         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8712         config/i386/i386.c, config/mips/mips.h,
8713         config/rs6000/rs6000.h, config/sh/sh.c,
8714         config/stormy16/stormy16.c: Fix comment typos.
8715
8716 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8717
8718         PR c/22311
8719         * c-typeck.c (build_binary_op): Use common_type wrapper on
8720         shortened types.
8721         (common_type): Update comment.
8722
8723 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8724
8725         PR target/23095
8726         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8727         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8728         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8729
8730 2005-07-31  Jan Hubicka  <jh@suse.cz>
8731
8732         * pretty-print.h (pp_widest_integer): New macro.
8733         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8734         counts.
8735
8736 2005-07-31  Jan Hubicka  <jh@suse.cz>
8737
8738         * output.h (enum section_category): Export from varasm.c
8739         (categorize_decl_for_section): Likewise.
8740         * varasm.c (enum section_category): Kill.
8741         (categorize_decl_for_section): Make global.
8742         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8743         Declare.
8744         * i386.c (ix86_section_threshold): New static variable.
8745         (ix86_in_large_data_p, ix86_encode_section_info,
8746         x86_64_elf_unique_section,
8747         x86_64_elf_select_section): New functions.
8748         (TARGET_ENCODE_SECTION_INFO): Define
8749         (override_options): Enable medium model for PIC.
8750         (ix86_expand_prologue): Expand gen_set_got_rex64.
8751         (legitimate_constant_p): Handle new UNSPECs.
8752         (legitimate_pic_address_disp_p): Likewise.
8753         (legitimize_pic_address): Lower MEDIUM model addressing.
8754         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8755         (enum cmodel): Add MEDIUM_PIC.
8756         (SYMBOL_REF_FAR_ADDR_P): New macro.
8757         (SYMBOL_FLAG_FAR_ADDR): New flag.
8758         * i386.md (movdi): Support medium model.
8759         (set_got_rex64): New pattern.
8760         * i386.opt (mlarge-data-threshold): New flag.
8761         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8762         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8763         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8764         TARGET_ASM_UNIQUE_SECTION): New.
8765
8766         * invoke.texi (-mlarge_data_threshold): Document
8767
8768 2005-07-31  Jan Hubicka  <jh@suse.cz>
8769
8770         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8771         (coalesce_vars): Likewise.
8772         * tree-ssa-live.c (coalesce_cost): New.
8773         (build_tree_conflict_graph): Use coalesce_cost.
8774         * tree-ssa-live.h (coalesce_cost): Declare.
8775
8776 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8777
8778         * arm.md (all peepholes for post-increment operations): Delete.
8779         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8780         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8781         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8782         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8783         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8784
8785 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8786
8787         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8788         non-integral types.
8789
8790 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8791
8792         PR target/22582
8793         * doc/invoke.texi: Document -rdynamic.
8794
8795 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8796
8797         PR c/23143
8798         * c-parser.c (c_parser_parms_list_declarator): Call
8799         mark_forward_parm_decls.
8800         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8801         decls with visibility structure.
8802
8803 2005-07-30  Paul Brook  <paul@codesourcery.com>
8804
8805         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8806
8807 2005-07-30  Paul Brook  <paul@codesourcery.com>
8808
8809         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8810         prototype.
8811         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8812         value for mode.
8813         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8814
8815 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8816
8817         PR c/529
8818         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8819         nested function declarators.
8820         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8821         (grokparms): Call warn_if_shadowing for parameters used within the
8822         parameter list.
8823         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8824         not used within the parameter list.
8825         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8826
8827 2005-07-30  Jan Hubicka  <jh@suse.cz>
8828
8829         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8830         * i386.c (ix86_fixup_binary_operands): Likewise.
8831         (ix86_expand_unary_operator): Likewise.
8832         (ix86_expand_fp_absneg_operator): Likewise.
8833         * optabs.c (expand_vec_cond_expr): Validate dest.
8834
8835 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8836
8837         PR c/21720
8838         * real.c (real_from_string): Also set last bit if there is a
8839         nonzero hex digit beyond GCC's internal precision after ".".
8840
8841 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8842
8843         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8844         define_constants.  Change duplicate values to unassigned numbers.
8845         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8846         (*altivec_vspltsf): New.
8847         (altivec_vperm_v4sf): Delete.
8848         (altivec_vperm_<mode>): Use mode macro V.
8849         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8850         (altivec_predicate_v4sf): Delete.
8851         (altivec_predicate_<mode>): Use mode macro V.
8852         (*altivec_lvesfx): New.
8853         (*altivec_stvesfx): New.
8854         (vec_realign_load_v4sf): Delete.
8855         (vec_realign_load_<mode>): Use mode macro V.
8856         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8857         UNSPECV_SET_VRSAVE.
8858
8859 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8860
8861         PR bootstrap/23131
8862         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8863         string.
8864         * configure: Regenerated.
8865
8866 2005-07-29  Paul Brook  <paul@codesourcery.com>
8867
8868         * doc/install.texi: Add link to GFortran binaries wiki page.
8869
8870 2005-07-29  David Ung  <davidu@mips.com>
8871
8872         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8873         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8874         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8875         * config/mips/mips.md (cpu): Add 5kf name.
8876         (includes): Includes 5k.md.
8877         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8878         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8879         -march flag.
8880
8881 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8882
8883         PR 22550
8884         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8885         (cleanup_tree_cfg): ... here.
8886         Call cleanup_tree_cfg_1 until there are no more cleanups to
8887         do.
8888
8889 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8890
8891         * tree-vrp.c (compare_range_with_value): Return true or false
8892         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8893         EQ_EXPR respectively.
8894
8895 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8896
8897         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8898         Fix comment typos.
8899
8900 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8901
8902         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8903         (tree_ssa_dominator_optimize): Increment it.
8904         (dump_dominator_optimization_stats): Print it.
8905
8906 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8907             Steven Bosscher  <stevenb@suse.de>
8908
8909         PR rtl-optimization/23117
8910         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8911         when head == tail.  Tidy comment.
8912
8913 2005-07-28  Richard Henderson  <rth@redhat.com>
8914
8915         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8916         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8917         * jump.c (rtx_renumbered_equal_p): Likewise.
8918         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8919         CONST_INT and CONST_DOUBLE.
8920         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8921         * reload.c (operands_match_p): Special case CONST_INT and
8922         CONST_DOUBLE; check mode earlier.
8923
8924 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8925
8926         PR c/22240
8927         * c-typeck.c (convert_for_assignment): Do not check
8928         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8929
8930 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8931
8932         PR c/22192
8933         * c-typeck.c (composite_type): Prefer constant size arrays to
8934         VLAs.
8935
8936 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8937
8938         PR c/21720
8939         * real.c (real_from_string): Set last bit if there is a nonzero
8940         hex digit beyond GCC's internal precision.
8941
8942 2005-07-28  Richard Henderson  <rth@redhat.com>
8943
8944         PR rtl-opt/22619
8945         * cfgcleanup.c (try_forward_edges): Watch out for end of
8946         insn chain.
8947
8948 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8949
8950         PR c/23106
8951         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8952
8953 2005-07-28  Jan Hubicka  <jh@suse.cz>
8954
8955         * Makefile.in (rtl-profile.o): Kill all traces of it.
8956         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8957         * coverage.h (rtl_coverage_counter_ref): Kill.
8958         * opts.c (flag_speculative_prefetching_set): Kill.
8959         (flag_loop_optimize_set): New.
8960         (common_handle_option): Disable loop optimizer when profiling;
8961         do not handle speculative prefetching.
8962         * passes.c (init_optimization_passes): Replace pass_profiling combo
8963         by branch_prob pass.
8964         * profile.c (compute_value_histograms): Update for simplified value
8965         profiles.
8966         (rtl_register_profile_hooks): Kill.
8967         (pass_profiling): Kill.
8968         (rest_of_handle_branch_prob): Do not profile.
8969         * toplev.c (process_options): Remove speculative prefetching.
8970         * toplev.h (flag_tree_based_profiling): Kill.
8971         * tree-profile.c (prepare_instrumented_value,
8972         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8973         tree_gen_one_value_profiler, do_tree_profiling): Update for
8974         simplified datastructures.
8975         * value-prof.c: Add comment that speculative prefetching was dropped;
8976         update rest of file for simplified datastructures.
8977         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8978         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8979         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8980         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8981         rtl_mod_subtract, gen_speculative_prefetch,
8982         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8983         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8984         (gate_handle_value_profile_transformations,
8985         rest_of_handle_value_profile_transformations,
8986         pass_value_profile_transformations): Kill.
8987         * value-prof.h (histogram_value_t): Remove IL based unions.
8988         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8989         rtl_profile_hooks): Remove hooks.
8990
8991         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8992
8993         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8994         (cgraph_clone_node): Likewise.
8995         * cgraph.h (cgraph_clone_edge): Update prototype.
8996         (cgraph_clone_node): Likewise.
8997         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8998         cgraph_clone_node.
8999         (lookup_recursive_calls): Consider profile.
9000         (cgraph_decide_recursive_inlining): Fix updating; use new
9001         probability argument; use profile.
9002         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9003         * tree-inline.c (copy_bb): Update clal of clone_edge.
9004         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9005
9006         * invoke.texi (min-inline-recursive-probability): Document.
9007
9008 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9009
9010         * doc/install.texi (Configuration): Update Valgrind homepage.
9011
9012 2005-07-28  Richard Henderson  <rth@redhat.com>
9013
9014         PR middle-end/21362
9015         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9016         labels we want to delete.
9017         (cfg_layout_merge_blocks): Likewise.
9018
9019 2005-07-28  Richard Henderson  <rth@redhat.com>
9020
9021         PR target/17692
9022         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9023         when expanding to nothing.
9024
9025 2005-07-28  Josh Conner  <jconner@apple.com>
9026
9027         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9028         (cgraph_decide_inlining_of_small_functions): Likewise.
9029
9030 2005-07-28  Josh Conner  <jconner@apple.com>
9031
9032         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9033         direction of badness if negative.
9034         (cgraph_default_inline_p): Add reason to parameters, and assign it
9035         a value.
9036         (cgraph_decide_inlining_of_small_functions): New parameter in call
9037         to cgraph_default_inline_p.
9038         (cgraph_decide_inlining_incrementally): Likewise.
9039         * cgraphunit.c (decide_is_function_needed): Likewise.
9040         * cgraph.h (cgraph_default_inline_p): Likewise.
9041
9042 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9043
9044         * builtins.c: Fix comment typo(s).
9045         * genautomata.c: Likewise.
9046         * gimplify.c: Likewise.
9047         * tree-dfa.c: Likewise.
9048         * tree-flow-inline.h: Likewise.
9049         * tree-into-ssa.c: Likewise.
9050         * tree-ssa-alias.c: Likewise.
9051         * tree-ssa-ccp.c: Likewise.
9052         * tree-ssa-copy.c: Likewise.
9053         * tree-ssa-dce.c: Likewise.
9054         * tree-ssa-dom.c: Likewise.
9055         * tree-ssa-operands.c: Likewise.
9056         * tree-tailcall.c: Likewise.
9057         * tree-vectorizer.c: Likewise.
9058         * tree-vrp.c: Likewise.
9059         * tree.c: Likewise.
9060
9061 2005-07-28  Jeff Law  <law@redhat.com>
9062
9063         * tree-vrp.c (test_for_singularity): Extracted from  ...
9064         (simplify_cond_using_ranges): Attempt to simplify a relational
9065         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9066
9067 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9068
9069         PR tree-optimization/22506
9070         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9071         phis whose argument is constant.
9072
9073 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9074
9075         PR rtl-optimization/18992
9076         Back out this patch:
9077           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9078           PR optimization/12142
9079           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9080           uses of the register in the SET_SRC.  Remove unnecessary argument.
9081
9082         Replace it with this:
9083         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9084         if flag_non_call_exceptions is set and the insn may trap, pass
9085         pc_rtx as dest for recursion.
9086         In SET_SRC part of SET case, if dest is already set, pass it down
9087         unchanged.
9088
9089 2005-07-28  Jan Hubicka  <jh@suse.cz>
9090
9091         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9092         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9093         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9094         roundoff errors.
9095         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9096         profile when available.
9097
9098 2005-07-28  Jan Beulich <jbeulich@novell.com>
9099
9100         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9101         (ia64_print_operand): Describe and handle 'X'.
9102         (ia64_register_move_cost): Also handle FP_REGS.
9103         (ia64_preferred_reload_class): Likewise.
9104         (ia64_secondary_reload_class): Likewise.
9105         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9106         it. Also check for ITANIUM_CLASS_FLDP.
9107         * config/ia64/ia64.h (FP_REGNO_P): New.
9108         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9109         (reg_class): Add FP_REGS.
9110         (REG_CLASS_NAMES): Adjust for it.
9111         (REG_CLASS_CONTENTS): Likewise.
9112         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9113         (REG_CLASS_FROM_LETTER): Handle 'x'.
9114         (CLASS_MAX_NREGS): Handle FP_REGS.
9115         (MEMORY_MOVE_COST): Likewise.
9116         * config/ia64/ia64.md (itanium_class): Add fldp.
9117         (type): Handle fldp.
9118         (movti_internal): More allowable operand combinations. Use ldfp8 when
9119         splitting unnecessary. Remove predicable attribute. Adjust
9120         itanium_class attribute.
9121         (smuldi3_highpart): Remove outdated comment.
9122         (mulditi3, umulditi3, rotlti3): New expanders.
9123         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9124         (absti2): Disabled new insn for future reference.
9125         Respective new splitters.
9126         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9127         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9128         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9129
9130 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9131
9132         PR rtl-optimization/23047
9133         * simplify-rtx.c (simplify_const_relational_operation): Respect
9134         flag_wrapv for comparisons with ABS.
9135
9136 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9137
9138         PR tree-optimization/22493
9139         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9140         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9141
9142 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9143
9144         * config/frv/frv.opt (moptimize-membar): New.
9145
9146         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9147
9148         * config/frv/frv.h: Remove machine_function definition.
9149
9150         * config/frv/frv.c (struct frv_io): New.
9151         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9152         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9153         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9154         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9155         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9156         (frv_reorg): Call frv_optimize_membar when appropriate.
9157         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9158         (frv_expand_builtin): Adjust calls accordingly.
9159         (frv_io_address_cookie): New function.
9160         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9161         load or store rather than a special insn.  Add ccnstant address and
9162         io-type operands to the membar.
9163         (frv_ifcvt_modify_tests): Unsign regno.
9164         (frv_ifcvt_modify_tests): Same.
9165
9166         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9167         UNSPEC_OPTIONAL_MEMBAR constant.
9168         (builtin_read_<mode>): Delete.
9169         (builtin_write_<mode>): Delete.
9170         ("optional_membar_<mode>"): Add operand.
9171
9172         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9173         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9174         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9175         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9176         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9177         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9178         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9179         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9180         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9181
9182 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9183
9184         * df.c (df_uses_record): Handle SCRATCH.
9185
9186 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9187
9188         PR debug/20161
9189         * passes.c (rest_of_decl_compilation): If decl is a type and
9190         we have encountered errors, don't emit debug information.
9191
9192 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9193
9194         * params.def: Fixed comment.
9195
9196 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9197
9198         PR target/19885
9199         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9200         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9201         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9202
9203 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9204
9205         PR c++/22003
9206         * varasm.c (assemble_start_function): Don't do anything that may
9207         require a CFG if the current function is a thunk.
9208
9209 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9210
9211         * doc/install.texi (Prerequisites): Mention that perl is needed
9212         to do export control in libstdc++ targetting Darwin.
9213
9214 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9215
9216         PR rtl-optimization/17808
9217         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9218         (sched_insns_conditions_mutex_p): Split out from...
9219         (add_dependence): ...here.  But don't call it from here.
9220         (add_dependence_list): Check sched_insns_conditions_mutex_p
9221         before calling add_dependence.
9222         (add_dependence_list_and_free): Likewise.
9223         (fixup_sched_groups): Likewise.
9224         (sched_analyze_1): Likewise.
9225         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9226         (sched_analyze): Likewise.
9227         (sched_analyze_insn): Likewise.
9228         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9229         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9230         dependencies on all COND_EXEC insns to jumps ending basic blocks
9231         when doing intrablock scheduling.
9232         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9233
9234 2005-07-27  Jeff Law  <law@redhat.com>
9235
9236         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9237         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9238         equivalency sets, correctly handle the case were vr0 has an
9239         equivalency set, but vr1 does not.
9240
9241 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9242
9243         PR tree-optimization/23073
9244         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9245         vect_print_dump_info before fprintf.
9246
9247 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9248
9249         PR tree-optimize/22348
9250         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9251         Fold the partial computation.
9252
9253 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9254
9255         PR tree-optimization/22325
9256         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9257         Declare.
9258         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9259         value replacement.
9260         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9261         (force_var_cost): ... this function.
9262         (compute_phi_arg_on_exit): Export.
9263
9264 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9265
9266         PR tree-optimization/20773
9267         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9268         edge.
9269
9270 2005-07-27  Richard Guenther  <rguenther@suse.de>
9271
9272         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9273         Avoid pushing again if current struct contains only
9274         fields we decomposed.
9275
9276 2005-07-27  Jan Hubicka  <jh@suse.cz>
9277
9278         PR tree-optimization/22574
9279         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9280         not available.
9281
9282         * tree-tailcall.c (decrease_profile): New function.
9283         (eliminate_tail_call): Use it.
9284
9285         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9286         visibility flags correctly in whole program mode.
9287
9288 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9289
9290         PR rtl-optimization/22472
9291         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9292
9293 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9294
9295         PR tree-optimization/22504
9296         * tree-complex.c (expand_complex_addition): Use 'code' instead
9297         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9298
9299 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9300
9301         * config.gcc (cpu_type): Add frv case.
9302         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9303         (supported_defaults): Add fr550 case.
9304
9305 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9306
9307         PR 22591
9308         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9309         whether a pointer of type T * may point to objects of type T *.
9310
9311 2005-07-26  DJ Delorie  <dj@redhat.com>
9312
9313         * configure: Regenerate.
9314
9315 2005-07-26  Dale Johannesen  <dalej@apple.com>
9316
9317         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9318
9319 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9320
9321         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9322         Clarify use of "build" in name.
9323
9324 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9325
9326         * doc/extend.texi (Raw read/write Functions): New section.
9327         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9328         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9329         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9330         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9331         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9332         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9333         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9334         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9335         * config/frv/frv.c: Add bdesc_loads global.
9336         Add bdesc_stores global.
9337         (frv_init_builtins): Add support for __builtin_{read/write}*.
9338         (frv_volatile_memref): New.
9339         (frv_expand_load_builtin): New.
9340         (frv_expand_store_builtin): New.
9341         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9342         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9343         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9344         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9345         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9346         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9347         (builtin_read_<mode>): New.
9348         (builtin_write_<mode>): New.
9349         (builtin_write64): New.
9350         (optional_membar_<mode>): New.
9351
9352 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9353
9354         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9355         (rather than units) against HOST_BITS_PER_WIDE_INT.
9356
9357 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9358
9359         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9360         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9361         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9362         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9363         FSF address.
9364
9365         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9366         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9367         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9368         comment typos.
9369         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9370
9371 2005-07-26  Richard Guenther  <rguenther@suse.de>
9372
9373         PR tree-optimization/22486
9374         * fold-const.c (fold_unary): Fold away useless component
9375         references of the form (T *)&T.x, if the address
9376         doesn't change.
9377
9378 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9379
9380         * dwarf2out.c (add_call_src_coords_attributes): New.
9381         (gen_inlined_subroutine_die): Call it.
9382         (maybe_emit_file, init_file_table): Add comments.
9383         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9384         maybe_emit_file.
9385         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9386         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9387         * tree.h (BLOCK_SOURCE_LOCATION): New.
9388         (struct tree_block): New field locus.
9389
9390 2005-07-26  Andreas Schwab  <schwab@suse.de>
9391
9392         PR rtl-optimization/23043
9393         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9394         when allocating a struct unoccr.
9395
9396 2005-07-25  Richard Henderson  <rth@redhat.com>
9397
9398         PR 22626
9399         * tree-complex.c (gate_no_optimization): True if errors.
9400         * Makefile.in (tree-complex.o): Update dependencies.
9401
9402 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9403
9404         * config/frv/predicates.md (integer_register_operand): Use
9405         GPR_AP_OR_PSEUDO_P.
9406
9407 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9408
9409         PR tree-opt/22484
9410         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9411         after fold.
9412         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9413
9414 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9415
9416         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9417         types when flag_unsafe_math_optimizations is true.
9418
9419 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9420
9421         * gcc.c (option_map): Add --sysroot.
9422         (process_command): Handle --sysroot.
9423         (display_help): Document it.
9424         * doc/cppopts.tex (-isysroot): Document.
9425         * doc/invoke.texi (--sysroot): Document.
9426         * doc/install.texi (--with-build-sysroot): Document.
9427
9428         * Makefile.in (inhibit_libc): New variable.
9429         (INHIBIT_LIBC_CFLAGS): Likewise.
9430         (LIBGCC2_CFLAGS): Include
9431         $(INHIBIT_LIBC_CFLAGS).
9432         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9433         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9434         ($(T)crtend.o): Likewise.
9435         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9436         ($(T)crtendS.o): Likewise.
9437         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9438         ($(T)crtendT.o): Likewise.
9439         (stmp-fixinc): Do not complain about missing headers if
9440         inhibit_libc.
9441         * configure.ac (inhibit_libc): Set it to true/false.
9442         (--with-build-sysroot): New option.  Use it to set
9443         SYSTEM_HEADER_DIR.
9444         * configure: Regenerated.
9445
9446 2005-07-25  Manfred Hollstein  <mh@suse.com>
9447
9448         * calls.c (store_one_arg): Fix unsigned comparison warning.
9449
9450 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9451
9452         PR other/22337
9453         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9454         (ggc_print_statistics): Initialize variable before use.
9455
9456 2005-07-25  Richard Guenther  <rguenther@suse.de>
9457
9458         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9459         calling with a PHI_NODE argument.
9460
9461         * tree-flow-inline.h (overlap_subvar): Protect against
9462         possible overflow.
9463
9464 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9465
9466         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9467         * configure: Regenerate.
9468
9469 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9470
9471         * expr.c (highest_pow2_factor): Make extern.
9472         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9473         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9474         record_array_differ_p, array_ptr_differ_p): Likewise.
9475         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9476         additional cases. Call the above functions.
9477         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9478         base_object_differ_p when there are two base objects. Otherwise, compare
9479         base address and offset. Call may_alias_p.
9480         (dump_data_reference): Use a correct field name.
9481         (analyze_array): Make static. Initialize new data-ref fields.
9482         (analyze_indirect_ref): New function.
9483         (init_data_ref): Initialize new data-ref fields.
9484         (strip_conversion): Moved from tree-vect-analyze.c.
9485         (analyze_offset_expr, get_ptr_offset, address_analysis,
9486         object_analysis): Likewise.
9487         (analyze_offset): New function.
9488         (create_data_ref): Likewise.
9489         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9490         dimensions for ARRAY_REFs only.
9491         (build_classic_dist_vector): Make static.
9492         (access_functions_are_affine_or_constant_p): Call macro to get the
9493         address of access functions.
9494         (compute_all_dependences): Add new parameter
9495         compute_self_and_read_read_dependences. Compute self and read-read
9496         dependences if it is true.
9497         (find_data_references_in_loop): Call create_data_ref. Initialize new
9498         data-ref fields.
9499         (compute_data_dependences_for_loop): Add new parameter
9500         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9501         compute nb_loops. Call compute_all_dependences,
9502         build_classic_dist_vector and build_classic_dir_vector with correct
9503         parameters.
9504         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9505         with correct parameters. Compare dimensions for ARRAY_REFs only.
9506         (free_data_refs): Call macro to free access functions.
9507         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9508         fields from stmt_vinfo.
9509         (struct base_object_info): New structure.
9510         (struct data_reference): Move fields to base_object_info. Add fields
9511         first_location and object_info for above structures. Move fields from
9512         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9513         aligned_to.  Add macros to access the new fields.
9514         Update functions declarations.
9515         * tree-flow.h (is_aliased_with): Declare.
9516         * tree-loop-linear.c (linear_transform_loops): Call
9517         compute_data_dependences_for_loop with correct parameters.
9518         * tree-ssa-alias.c (is_aliased_with): New function.
9519         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9520         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9521         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9522         vect_base_addr_differ_p, compute_subscript_distance and
9523         build_classic_dist_vector. Add printings. Check absolute value of
9524         distance.
9525         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9526         data-refs.
9527         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9528         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9529         to bytes. Add printing.
9530         (vect_compute_data_refs_alignment): Go through loads and stores in one
9531         loop.
9532         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9533         vect_analyze_data_ref_access): Likewise.
9534         (vect_analyze_pointer_ref_access): Remove.
9535         (vect_address_analysis, vect_object_analysis): Likewise.
9536         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9537         and analyze data-refs in the loop.
9538         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9539         fields of data-ref instead of stmt. Add init to the offset from the
9540         base.
9541         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9542         (vect_update_init_of_dr): Likewise.
9543         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9544         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9545         removed fields.
9546         (new_loop_vec_info): Initialize new fields.
9547         (destroy_loop_vec_info): Free new fields.
9548         (vect_strip_conversion): Remove.
9549         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9550         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9551         datarefs. Add new field ddrs.
9552         Add macros for the new fields access.
9553         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9554         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9555         Remove their macros.
9556         * tree.h (highest_pow2_factor): Declare.
9557
9558 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9559
9560         * calls.c (store_one_arg): Check for sibling call MEM arguments
9561         from already clobbered incoming argument area.
9562
9563 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9564
9565         * c-common.c (check_missing_format_attribute): New.
9566         * c-common.h (check_missing_format_attribute): Likewise.
9567         * c-typeck.c (convert_for_assignment): Use it.
9568
9569 2005-07-24  Andreas Schwab  <schwab@suse.de>
9570
9571         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9572         register use a word move.  Correct operand of ext.w in 68000 code.
9573
9574 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9575
9576         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9577         variables as declarations, rather than definitions.
9578
9579 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9580
9581         PR tree-optimization/22526
9582         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9583         of the zero node.
9584
9585 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9586
9587         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9588         that C99 reserve for future use. Use it to define clog10,
9589         clog10f and clog10l.
9590
9591 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9592
9593         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9594         * configure.ac: Check for -Wmissing-format-attribute.
9595
9596         * configure: Regenerate.
9597
9598 2005-07-23  Richard Henderson  <rth@redhat.com>
9599
9600         PR tree-optimization/22623
9601         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9602
9603 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9604
9605         PR target/22577
9606         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9607
9608 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9609
9610         * Makefile.in (C_TREE_H): Update dependencies.
9611         * c-tree.h: Include toplev.h.
9612         * diagnostic.h (diagnostic_set_info): Add format attribute.
9613         * rtl-error.c (diagnostic_for_asm): Likewise.
9614
9615 2005-07-23  Chao-ying Fu  <fu@mips.com>
9616
9617         * config/mips/mips-dsp.md: New file.
9618         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9619         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9620         functions.
9621         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9622         MIPS_BUILTIN_BPOSGE32.
9623         (mips_expand_builtin_direct): Add one parameter to indicate that
9624         builtin functions need to return a value.
9625         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9626         functions.
9627         (mips_regno_to_class): Add classes for 12 new DSP registers.
9628         (mips_subword): Change to check four HI registers.
9629         (mips_output_move): Output move to and from 6 new DSP accumulators.
9630         (override_options): Make sure -mdsp and -mips16 are not used together.
9631         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9632         for machine modes.
9633         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9634         when !TARGET_DSP.
9635         (print_operand): Add 'q' for printing DSP accumulators.
9636         (mips_cannot_change_mode_class): Check ACC_REGS.
9637         (mips_secondary_reload_class): Check ACC_REGS.
9638         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9639         (mips_register_move_cost): Check ACC_REGS.
9640         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9641         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9642         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9643         (dsp_bdesc): New array.
9644         (bdesc_arrays): Add DSP builtin function table.
9645         (mips_prepare_builtin_arg): Check predicate again after
9646         copy_to_mode_reg.
9647         (mips_expand_builtin): Add one more parameter to
9648         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9649         MIPS_BUILTIN_BPOSGE32.
9650         (mips_init_builtins): Initialize new function types.
9651         (mips_expand_builtin_direct): Check if builtin functions need to
9652         return a value and pass operands properly.
9653         (mips_expand_builtin_bposge): New function.
9654         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9655         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9656         (FIRST_PSEUDO_REGISTER): Increase to 188.
9657         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9658         Update for 12 new DSP registers.
9659         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9660         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9661         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9662         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9663         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9664         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9665         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9666         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9667         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9668         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9669         (REGISTER_NAMES): Add names for 12 new DSP registers.
9670         * config/mips/mips.md: Include mips-dsp.md.
9671         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9672         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9673         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9674         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9675         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9676         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9677         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9678         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9679         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9680         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9681         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9682         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9683         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9684         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9685         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9686         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9687         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9688         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9689         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9690         (UNSPEC_RDDSP): New constants.
9691         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9692         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9693         A<-d alternative.
9694         * config/mips/mips.opt (-mdsp): New option.
9695         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9696         (reg_imm10_operand): New predicates.
9697         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9698         * doc/invoke.texi (-mdsp): Document new option.
9699
9700 2005-07-22  DJ Delorie  <dj@redhat.com>
9701
9702         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9703         to warning calls.
9704         * tree-inline.c (inlinable_function_p): Likewise.
9705
9706 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9707
9708         PR debug/21828
9709         * toplev.c (check_global_declarations): Do not mark undefined
9710         variables as DECL_IGNORED_P.
9711         * varasm.c (first_global_object_name): GTY it.
9712         (weak_global_object_name): Likewise.
9713         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9714         a string to go into {weak,first}_global_object_name.
9715
9716 2005-07-22  DJ Delorie  <dj@redhat.com>
9717
9718         * c-format.c (check_function_format): Change warning control
9719         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9720
9721 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9722
9723         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9724         &PTR->FLD a dereference of PTR.
9725         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9726         a potential dereference of PTR.
9727
9728 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9729
9730         PR rtl-optimization/20370
9731         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9732         call allocate_reg_info if necessary.
9733
9734         PR rtl-optimization/21848
9735         * calls.c (emit_library_call_value_1): For const functions, add
9736         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9737
9738         PR rtl-optimization/22445
9739         * cselib.c (target.h): Include.
9740         (rtx_equal_for_cselib_p): Allow commutative matches.
9741         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9742         Remove MODE parameter.  Changed all callers.
9743
9744         PR rtl-optimization/22258
9745         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9746         New functions.
9747         (try_combine): Use likely_spilled_retval_p.
9748
9749 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9750
9751         * config.gcc: Add crx-elf support.
9752
9753         * doc/contrib.texi: Mention crx.
9754         * doc/extend.texi: Document crx extensions.
9755         * doc/install.texi: Document crx install.
9756         * doc/invoke.texi: Document crx options.
9757         * doc/md.texi: Document crx constraints.
9758
9759         * config/crx/crx-protos.h: New file.
9760         * config/crx/crx.c: New file.
9761         * config/crx/crx.h: New file.
9762         * config/crx/crx.md: New file.
9763         * config/crx/crx.opt: New file.
9764         * config/crx/t-crx: New file.
9765
9766 2005-07-22  Manfred Hollstein  <mh@suse.com>
9767
9768         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9769         warnings.
9770         (int_add_graph_edge): Likewise.
9771         (collapse_nodes): Likewise.
9772         (process_unification_queue): Likewise.
9773
9774 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9775             Laurent GUERBY  <laurent@guerby.net>
9776
9777         PR tree-optimization/22336
9778         * function.c (record_block_change): Check for
9779         cfun->ib_boundaries_block.
9780
9781 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9782
9783         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9784         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9785
9786 2005-07-21  DJ Delorie  <dj@redhat.com>
9787
9788         * toplev.c (warn_deprecated_use): Add warning control to warning
9789         call.
9790         * c-typeck.c (parser_build_binary_op): Likewise.
9791         (c_finish_if_stmt): Likewise.
9792         * c-common.c (check_function_sentinel): Likewise.
9793         (check_nonnull_arg): Likewise.
9794
9795 2005-07-21  Richard Henderson  <rth@redhat.com>
9796
9797         PR tree-opt/22504
9798         * tree-complex.c (complex_ssa_name_components): New.
9799         (cvc_lookup): Allow entry not found.
9800         (create_components): Remove.
9801         (create_one_component_var, get_component_var): New.
9802         (get_component_ssa_name, set_component_ssa_name): New.
9803         (extract_component): Use get_component_ssa_name.
9804         (update_complex_components): Use set_component_ssa_name.
9805         (update_complex_components_on_edge): Likewise.
9806         (update_phi_components): Create new PHI nodes directly, instead
9807         of adding insns to edges.
9808         (tree_lower_complex): Allocate and free complex_variable_components
9809         and complex_ssa_name_components here.
9810
9811 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9812
9813         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9814         revert to returning false.
9815
9816 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9817
9818         PR target/21149
9819         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9820
9821 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9822
9823         PR target/22576
9824         * config/i386/i386.md (cmpxf): Change operand constraints
9825         to "nonmemory_operand".
9826
9827 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9828
9829         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9830
9831 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9832
9833         PR middle-end/21180
9834         * fold-const.c (fold_build1): Add checksum for the operands.
9835         (fold_build2): Likewise.
9836         (fold_build3): Likewise.
9837
9838 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9839
9840         PR middle-end/19055
9841         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9842
9843 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9844
9845         * common.opt (-fforward-propagate): Committed by mistake,
9846         removed.
9847
9848 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9849
9850         * reg-stack.c: Fix comment typo(s).
9851         * tree-ssa-operands.c: Likewise.
9852         * tree-vectorizer: Likewise.
9853
9854 2005-07-21  Nick Clifton  <nickc@redhat.com>
9855
9856         * config/sh/symbian.c: Replace C++ style line comments with C
9857         style line comments.
9858         (symbian_add_attribute): Do not use a ? operator on the LHS of
9859         an assignment.
9860         (sh_symbian_handle_dll_attribute): Change the type of the
9861         method vector to "VEC(tree,gc)*" and use vector accessor
9862         macros to walk over the elements.
9863         (symbian_export_vtable_and_rtti_p): Likewise.
9864         (symbian_class_needs_attribute_p): Likewise.
9865
9866 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9867
9868         PR target/22085
9869         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9870         initialize targetm.resolve_overloaded_builtin here.
9871         (altivec_expand_overloaded_builtin): Make it non-static.
9872         * config/rs6000/rs6000-protos.h
9873         (altivec_expand_overloaded_builtin): New prototype.
9874         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9875         targetm.resolve_overloaded_builtin here.
9876         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9877
9878 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9879             Zdenek Dvorak  <dvorakz@suse.cz>
9880
9881         PR tree-optimization/19210
9882         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9883         New.
9884         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9885         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9886         rely on unproven assumptions.
9887         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9888         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9889         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9890         to number_of_iterations_exit.
9891         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9892         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9893         * tree-ssa-loop-niter.c (find_loop_niter,
9894         estimate_numbers_of_iterations_loop): Likewise.
9895         (number_of_iterations_exit): Honor the new options.
9896         * doc/invoke.texi (Wunsafe-loop-optimizations,
9897         funsafe-loop-optimizations): Document them.
9898
9899 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9900
9901         PR rtl-optimization/22167
9902         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9903
9904 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9905
9906         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9907         __do_global_dtors_aux longcall.
9908
9909 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9910
9911         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9912         (old_special_pred_table): Don't reference
9913         SPECIAL_MODE_PREDICATES.
9914         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9915         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9916         * config/sh/predicates.h: Don't mention
9917         SPECIAL_MODE_PREDICATES.
9918         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9919         Remove.
9920
9921 2005-07-20  DJ Delorie  <dj@redhat.com>
9922
9923         * config.gcc: Add m32c-elf support.
9924
9925         * doc/contrib.texi: Mention m32c.
9926         * doc/extend.texi: Document m32c extensions.
9927         * doc/install.texi: Mention m32c.
9928         * doc/invoke.texi: Document m32c options.
9929         * doc/md.texi: Document m32c constraints.
9930
9931         * config/m32c/addsub.md: New file.
9932         * config/m32c/bitops.md: New file.
9933         * config/m32c/cond.md: New file.
9934         * config/m32c/jump.md: New file.
9935         * config/m32c/m32c-lib1.S: New file.
9936         * config/m32c/m32c-lib2.c: New file.
9937         * config/m32c/m32c-modes.def: New file.
9938         * config/m32c/m32c-pragma.c: New file.
9939         * config/m32c/m32c-protos.h: New file.
9940         * config/m32c/m32c.abi: New file.
9941         * config/m32c/m32c.c: New file.
9942         * config/m32c/m32c.h: New file.
9943         * config/m32c/m32c.md: New file.
9944         * config/m32c/m32c.opt: New file.
9945         * config/m32c/minmax.md: New file.
9946         * config/m32c/mov.md: New file.
9947         * config/m32c/muldiv.md: New file.
9948         * config/m32c/predicates.md: New file.
9949         * config/m32c/prologue.md: New file.
9950         * config/m32c/shift.md: New file.
9951         * config/m32c/t-m32c: New file.
9952
9953 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9954
9955         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9956         (stack_protect_set, stack_protect_test): New expanders.
9957         (stack_protect_set_si, stack_protect_set_si_media,
9958         stack_protect_set_di_media, stack_protect_test_si,
9959         stack_protect_test_si_media, stack_protect_test_di_media):
9960         New insns.
9961
9962 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9963
9964         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9965
9966 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9967
9968         * tree.h (tree_expr_nonzero_p): Export.
9969         * fold-const.c (tree_expr_nonzero_p): Likewise.
9970         Return true for CALL_EXPRs that are alloca calls.
9971         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9972         against zero.
9973         * tree-flow.h (expr_computes_nonzero): Remove.
9974         * tree-vrp.c (expr_computes_nonzero): Remove.
9975         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9976         (extract_range_from_unary_expr): Likewise.
9977         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9978         tree_expr_nonzero_p.
9979
9980 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9981
9982         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9983         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9984         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9985         All callers changed.
9986         (frame_related_constant_load): New arg "related" which controls
9987         setting of RTX_FRAME_RELATED_P.  All callers changed.
9988         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9989         (bfin_expand_prologue): Add stack limit checking.
9990         * config/bfin/bfin.md (trapifcc): New pattern.
9991
9992         * config/bfin/bfin.c: Include "langhooks.h".
9993         (def_builtin): Go through lang_hooks to call builtin_function.
9994
9995         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9996         * config/bfin/predicates.md (symbol_ref_operand): New.
9997         (call_insn_operand): Delete.  All callers changed to use
9998         register_no_elim_operand.
9999         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10000         call_cookie field.
10001         (function_arg): Use it to generate the call's operand 2.
10002         (bfin_longcall_p): New function.
10003         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10004         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10005         determine if the address needs to be in a REG.
10006         (bfin_handle_longcall_attribute): New function.
10007         (bfin_attribute_table): Add "longcall" and "shortcall".
10008         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10009         (CUMULATIVE_ARGS): New member call_cookie.
10010         (PREDICATE_CODES): Add symbol_ref_operand.
10011         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10012         extra USE to the pattern.
10013         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10014         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10015         sibcall_value_insn; now the new patterns handle direct calls and the
10016         old ones indirect calls.
10017         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10018
10019 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10020
10021         * doc/trouble.texi: Update section on handling of empty loops.
10022
10023 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10024
10025         * config.gcc: Remove support for sparc-*-openbsd*,
10026         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10027         ns32k-*-netbsd*.
10028         * config.host: Remove support for i860-*-sysv4* as a host.
10029         * config/i860/*, config/ip2k/*, config/ns32k/*,
10030         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10031         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10032         mention obsolete ports.
10033
10034 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10035
10036         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10037         soft frame pointer.
10038         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10039         of frame_pointer_rtx.
10040         (sh_expand_epilogue): Likewise.
10041         (sh_set_return_address): Likewise.
10042         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10043         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10044         offsets from FRAME_POINTER_REGNUM.
10045         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10046         (sh_register_names): Add initializer for sfp.
10047         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10048         (VALID_REGISTER_P): Likewise.
10049         (FIRST_PSEUDO_REGISTER): Update.
10050         (DWARF_FRAME_REGISTERS): Define.
10051         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10052         (HARD_FRAME_POINTER_REGNUM): Define.
10053         (FRAME_POINTER_REGNUM): Redefine.
10054         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10055         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10056         from FRAME_POINTER_REGNUM.
10057         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10058         FRAME_POINTER_REGNUM.
10059         (REG_CLASS_CONTENTS): Add sfp.
10060         (REG_ALLOC_ORDER): Likewise.
10061         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10062         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10063         of frame_pointer_rtx.
10064         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10065
10066 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10067
10068         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10069         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10070         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10071         of an ABS_EXPR.
10072         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10073         ABS_EXPR<x>.
10074
10075 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10076
10077         Make CONSTRUCTOR use VEC to store initializers.
10078         * c-common.c (complete_array_type): Update to cope with VEC in
10079         CONSTRUCTOR_ELTS.
10080         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10081         (pp_c_constructor_elts): New function.
10082         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10083         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10084         struct constructor_stack, struct initializer_stack,
10085         constructor_elements, push_init_level, pop_init_level,
10086         add_pending_init, find_init_member, output_init_element): Update to
10087         cope with VEC in CONSTRUCTOR_ELTS.
10088         * coverage.c (build_fn_info_value, build_ctr_info_value,
10089         build_gcov_info): Likewise.
10090         * expr.c (categorize_ctor_elements_1, store_constructor,
10091         expand_expr_real_1): Likewise.
10092         * fold-const.c (fold_ternary): Likewise.
10093         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10094         gimplify_init_constructor, gimplify_expr): Likewise.
10095         * tree-dump.c (dequeue_and_dump): Likewise.
10096         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10097         node.
10098         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10099         CONSTRUCTOR_ELTS.
10100         * tree-sra.c (generate_element_init_1): Likewise.
10101         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10102         * tree-ssa-operands.c (get_expr_operands): Likewise.
10103         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10104         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10105         (get_initial_def_for_reduction): Likewise.
10106         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10107         value handle in annotations.
10108         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10109         tree_node_structure): Add support for constr_kind.
10110         (build_vector_from_ctor, build_constructor_single,
10111         build_constructor_from_list): New functions.
10112         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10113         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10114         Update to cope with VEC in CONSTRUCTOR_ELTS.
10115         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10116         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10117         CONSTRUCTOR_APPEND_ELT): New macros.
10118         (struct constructor_elt, struct tree_constructor): New data types.
10119         (union tree_node): Add tree_constructor field.
10120         * treestruct.def: Define TS_CONSTRUCTOR.
10121         * varasm.c (const_hash_1, compare_constant, copy_constant,
10122         compute_reloc_for_constant, output_addressed_constants,
10123         initializer_constant_valid_p, output_constant,
10124         array_size_for_constructor, output_constructor): Update to cope with
10125         VEC in CONSTRUCTOR_ELTS.
10126         * vec.h (VEC_empty, VEC_copy): New macros.
10127
10128 2005-07-19  Devang Patel  <dpatel@apple.com>
10129
10130         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10131
10132 2005-07-19  Richard Henderson  <rth@redhat.com>
10133
10134         PR tree-opt/22278
10135         * gimplify.c (gimplify_expr): Use main variant type for the temp
10136         destination for a discarded volatile read.
10137         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10138         casts between non-void types that change volatility.
10139
10140 2005-07-15  DJ Delorie  <dj@redhat.com>
10141
10142         * toplev.h: Add comment about the first parameter for warning().
10143         * errors.h: Likewise.
10144
10145         * c.opt (Wpragmas): New.
10146         * doc/invoke.texi: Document it.
10147
10148         * function.c (do_warn_unused_parameter): Add warning control to
10149         warning call.
10150         * c-decl.c (warn_if_shadowing): Likewise.
10151         * c-lex.c (cb_def_pragma): Likewise.
10152         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10153         (pop_alignment): Likewise.
10154         (handle_pragma_pack): Likewise.
10155         (apply_pragma_weak): Likewise.
10156         (handle_pragma_weak): Likewise.
10157         (handle_pragma_redefine_extname): Likewise.
10158         (add_to_renaming_pragma_list): Likewise.
10159         (handle_pragma_extern_prefix): Likewise.
10160         (maybe_apply_renaming_pragma): Likewise.
10161         (handle_pragma_visibility): Likewise.
10162
10163         * config/c4x/c4x-c.c (BAD): Likewise.
10164         (c4x_parse_pragma): Likewise.
10165         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10166         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10167         (rs6000_pragma_longcall): Likewise.
10168         * config/v850/v850-c.c (pop_data_area): Likewise.
10169         (ghs_pragma_section): Likewise.
10170         (ghs_pragma_section): Likewise.
10171         (ghs_pragma_interrupt): Likewise.
10172         (ghs_pragma_starttda): Likewise.
10173         (ghs_pragma_startsda): Likewise.
10174         (ghs_pragma_startzda): Likewise.
10175         (ghs_pragma_endtda): Likewise.
10176         (ghs_pragma_endsda): Likewise.
10177         (ghs_pragma_endzda): Likewise.
10178
10179 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10180             Kenneth Zadeck <zadeck@naturalbridge.com>
10181
10182         * Makefile.in: Removed tree-promote-statics.c
10183         * tree-promote-statics.c: Removed.
10184         * common.opt: Removed flag-promote-statics.
10185         * opts.c: Ditto.
10186         * passes.c: Removed tree-promote-statics pass.
10187         * tree-pass.h: Ditto.
10188         * timevar.def: Removed TV_PROMOTE_STATICS.
10189
10190
10191 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10192
10193         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10194         and *-*-freebsd9.
10195         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10196
10197 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10198
10199         PR c/22476
10200         * c-common.c (check_function_arguments): Call
10201         'check_function_format' if either -Wformat or
10202         -Wmissing-format-attribute are specified.
10203         * c-format.c (check_function_format): Check -Wformat before
10204         calling 'check_format_info'.
10205         * c-opts.c (c_common_post_options): Don't warn for
10206         -Wmissing-format-attribute without -Wformat.
10207         * c-typeck.c (convert_for_assignment): Detect additional cases for
10208         -Wmissing-format-attribute.
10209         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10210         behavior.
10211
10212 2005-07-19  Richard Guenther  <rguenther@suse.de>
10213
10214         * config/i386/i386.md (lrint<mode>2): Use temporary
10215         instead of clobbering non-existent memory.
10216
10217 2005-07-19  Nick Clifton  <nickc@redhat.com>
10218
10219         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10220         statement to avoid displaying ASCII control characters.
10221
10222 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10223
10224         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10225         * cfganal.c (find_edge_index): Ditto.
10226         * combine.c (combine_instructions): Ditto.
10227         * ddg.c (create_scc): Ditto.
10228         (find_successors): Ditto.
10229         (find_predecessors): Ditto.
10230         (find_nodes_on_paths): Ditto.
10231         (longest_simple_path): Ditto.
10232         * flow.c (update_life_info): Ditto.
10233         (count_or_remove_death_notes): Ditto.
10234         (clear_log_links): Ditto.
10235         * modulo-sched.c (generate_reg_moves): Ditto.
10236         (find_max_asap): Ditto.
10237         (find_max_hv_min_mob): Ditto.
10238         (find_max_dv_min_mob): Ditto.
10239         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10240         * sched-rgn.c (extract_edgelst): Ditto.
10241         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10242         (dump_update_ssa): Ditto.
10243         (ssa_names_to_replace) Ditto.
10244         (switch_virtuals_to_full_rewrite): Ditto.
10245         (update_ssa): Ditto.
10246         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10247
10248 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10249
10250         Fix PR tree-optimization/22483
10251
10252         * tree-complex.c (create_components): Use
10253         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10254         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10255         * tree-flow.h (safe_referenced_var_iterator): New structure.
10256         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10257         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10258         safe_referenced_var iterator.
10259         (add_type_alias): Ditto.
10260
10261 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10262
10263         * loop-init.c (rest_of_handle_loop2): Remove.
10264         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10265         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10266         (pass_rtl_loop_init, pass_rtl_loop_done,
10267         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10268         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10269         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10270         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10271         pass_tree_loop_done, and pass_tree_unswitch.
10272         (gate_loop): Rename to gate_tree_loop.
10273         * passes.c (init_optimization_passes): Update for renamed tree
10274         loop passes.  Add the new loop2 passes as subpasses of loop2.
10275         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10276         Update for the renamed tree loop passes.
10277
10278 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10279
10280         PR middle-end/22057
10281         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10282         blocks when optimizing.
10283
10284 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10285
10286         * common.opt (frename-registers): Initialize to 2.
10287         (fweb): Ditto.
10288         (fgcse-after-reload): Ditto.
10289         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10290         (process_options): Only change flag_web, flag_rename_registers,
10291         and flag_rerun_cse_after_loop if not explicitly set by user.
10292
10293 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10294
10295         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10296         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10297         in 64-bit mode the same as DImode in 32-bit mode.
10298         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10299         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10300         mode. Add new mode parameter.
10301         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10302         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10303         x86_64_shift_adj): New expanders.
10304         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10305         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10306         insns.
10307         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10308         DImode shift splitters.
10309         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10310         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10311         mode parameter.
10312
10313 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10314
10315         * i386.md (movdi_extzv_1): New.
10316         (zero_extendhidi2): Combine alternatives and never force use of
10317         REX64 prefix.
10318         (zero_extendqidi2): Likewise. Don't restrict input selection.
10319
10320 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10321
10322         Fix PR tree-optimization/22531
10323         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10324          moment.
10325
10326 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10327
10328         * tree-promote-statics.c (pass_promote_statics): Change dump file
10329          name.
10330
10331 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10332
10333         * tree-optimize.c (init_tree_optimization_passes): Add
10334         pass_eliminate_useless_stores pass.
10335         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10336         * tree-ssa-pre.c (is_copy_stmt): New function.
10337         (follow_copies_till_vuse): Ditto.
10338         (do_eustores): Ditto.
10339         (gate_eustores): Ditto.
10340
10341 2005-07-16  Richard Henderson  <rth@redhat.com>
10342
10343         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10344
10345 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10346            Kenneth Zadeck <zadeck@naturalbridge.com>
10347
10348         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10349         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10350         ipa-type-escape.h, tree-promote-statics.c
10351         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10352         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10353         tree-promote-statics.c: new files.
10354         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10355         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10356         int nonlocal_set_p, mark_constant_function): Deleted.
10357         (rest_of_handle_cfg): Removed call to mark_constant_function.
10358         (nonoverlapping_component_refs_p): Added calls to support
10359         type based aliasing.
10360         * tree-ssa-alias.c (may_alias_p,
10361         compute_flow_insensitive_aliasing): Ditto.
10362         * calls.c (flags_from_decl_or_type): Removed reference to
10363         cgraph_rtl_info.
10364         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10365         too many arguments.  This is necessary for Spec 2000.
10366         * cgraph.h (const_function, pure_function): Removed.
10367         * common.opt: Added "fipa-pure-const", "fipa-reference",
10368         "fipa-type-escape", and "ftree-promote-static".
10369         * opts.c: Ditto.
10370         * passes.c: Added ipa and tree-promote-statics passes.
10371         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10372         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10373         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10374         * tree-flow.h: Added exposed sra calls and addition of
10375         reference_vars_info field for FUNCTION_DECLS.
10376         * tree-pass.h: Added passes.
10377         * tree-sra.c: (sra_init_cache): New function.
10378         (sra_insert_before, sra_insert_after) Made public.
10379         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10380         and made public.
10381         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10382         aliasing. (may_alias_p): Added code to use type escape analysis to
10383         improve alias sets.
10384         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10385         code to prune clobbers of static variables based on information
10386         produced in ipa-reference pass.  Changed call clobbering so that
10387         statics are not marked as clobbered if the call does not clobber
10388         them.
10389
10390 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10391
10392         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10393         too.
10394
10395 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10396
10397         * doc/install.texi (*-*-solaris2*): Document recommended version
10398         of GNU binutils and mention GNU linker problem on Solaris 10.
10399
10400 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10401
10402         PR c/22421
10403         * c-decl.c (c_build_bitfield_integer_type): New function.
10404         (finish_struct): Call it.
10405         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10406
10407 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10408
10409         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10410         before returning.
10411
10412 2005-07-16  Jan Hubicka  <jh@suse.cz>
10413
10414         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10415         (scale_bbs_frequencies_int): Watch roundoff errors.
10416         * predict.c (return_prediction): Initialize return_stmt.
10417
10418 2005-07-16  Jan Hubicka  <jh@suse.cz>
10419
10420         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10421         after RTL profiling.
10422
10423 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10424
10425         PR middle-end/22398
10426         * fold-const.c (build_range_check): Convert high/low to etype
10427         if we are only comparing against exp.
10428
10429 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10430
10431         Fix PR tree-optimization/22376
10432         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10433         special var here.
10434         (need_to_solve): New function.
10435         (compute_points_to_sets): Use it.
10436
10437 2005-07-15  Jan Hubicka  <jh@suse.cz>
10438
10439         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10440         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10441
10442 2005-07-15  Richard Guenther  <rguenther@suse.de>
10443
10444         * c-common.c (handle_flatten_attribute): New function.
10445         Add flatten function attribute.
10446         * doc/extend.texi: Document flatten function attribute.
10447         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10448         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10449         New functions.
10450         (cgraph_decide_inlining): Handle functions with flatten
10451         attribute.
10452
10453 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10454
10455         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10456         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10457         UNSPEC_XCHG, UNSPEC_AND): New.
10458         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10459         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10460         * config/rs6000/sync.md (FETCHOP): New code macro.
10461         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10462         New code attrs.
10463         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10464         (sync_compare_and_swap<mode>): Same.
10465         (sync_lock_test_and_set<mode>): Same.
10466         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10467         for QImode and HImode, and not PPC405.
10468         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10469         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10470         (sync_<fetchop>{si,di}_internal): New.
10471         (sync_nand{si,di}_internal): New.
10472         (sync_old_<fetchop>{si,di}_internal): New.
10473         (sync_old_nand{si,di}_internal): New
10474         (sync_new_<fetchop>{si,di}_internal): New.
10475         (sync_new_nand{si,di}_internal): New.
10476         (atomic_and{si,di}): New.
10477         (sync_new_nand{si,di}_internal): New.
10478         (atomic_and{si,di}): New.
10479         (sync_add<mode>_internal): Delete.
10480         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10481         (sync_sub<mode>_internal): Delte.
10482         (sync_subshort_internal): New.
10483         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10484         (sync_anddi_internal): Delete.
10485         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10486         (sync_booldi_internal): Delete.
10487         (sync_boolc<mode>_internal): Delete.
10488         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10489         (sync_boolc<mode>_internal2): Delete.
10490         (sync_boolcc<mode>_internal): Delete.
10491         (isync, lwsync): Use unspec instead of unspec_volatile.
10492         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10493         Revert UNSPEC_VOLATILE.
10494         (rs6000_split_atomic_op): New.
10495         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10496
10497 2005-07-14  Eric Christopher  <echristo@redhat.com>
10498
10499         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10500         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10501
10502 2005-07-14  Eric Christopher  <echristo@redhat.com>
10503
10504         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10505
10506 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10507
10508         PR tree-optimization/22230
10509         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10510         the computation of the four cross productions for "range op range".
10511
10512 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10513             Ulrich Weigand  <uweigand@de.ibm.com>
10514
10515         PR target/20126
10516         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10517         in some insn.
10518
10519 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10520
10521         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10522
10523 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10524
10525         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10526
10527 2005-07-14  Richard Guenther  <rguenther@suse.de>
10528
10529         PR middle-end/22347
10530         * config/i386/i386-protos.h (ix86_function_value): Change
10531         prototype to match new target hook.
10532         * config/i386/i386.c (ix86_value_regno): Change prototype
10533         to take extra type argument.
10534         (TARGET_FUNCTION_VALUE): Define.
10535         (ix86_function_ok_for_sibcall): Pass extra argument to
10536         ix86_value_regno, check return slot rtx for exact match.
10537         (ix86_function_value): Take extra parameter.  Dispatch to
10538         ix86_value_regno with fndecl/fntype as provided.
10539         (ix86_value_regno): Handle extra type argument.
10540         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10541
10542         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10543         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10544         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10545         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10546         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10547
10548 2005-07-14  Richard Guenther  <rguenther@suse.de>
10549
10550         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10551         * calls.c (expand_call): Pass fntype to hard_function_value.
10552         (emit_library_call_value_1): Likewise.
10553         * explow.c: Include target.h.
10554         (hard_function_value): Take extra argument, the fntype.
10555         Use new target hook for function_value.
10556         * expr.h (hard_function_value): Change prototype.
10557         * function.c (aggregate_value_p): Pass 0 as fntype to
10558         hard_function_value.
10559         (assign_parms): Use new target hook for function_value.
10560         Pass 0 as fntype to hard_function_value.
10561         (expand_function_end): Likewise.
10562         * reg-stack.c: Include target.h.
10563         (stack_result): Use new target hook for function_value.
10564         * target-def.h: New target hook function_value.
10565         * target.h: Likewise.
10566         * targhooks.c (default_function_value): New function.
10567         * targhooks.h (default_function_value): Declare.
10568
10569 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10570
10571         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10572
10573 2005-07-14  Jan Hubicka  <jh@suse.cz>
10574
10575         * tree-dfa.c (dump_variable): Use default_def function.
10576         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10577         * tree-ssa.c (verify_use): Likewise.
10578         * tree-ssanames.c (release_ssa_name): Likewise.
10579         * tree-tailcall.c (eliminate_tail_call): Likewise.
10580         (tree_optimize_tail_calls_1): Likewise.
10581         * tree-vrp.c (get_value_range): Likewise.
10582
10583 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10584
10585         * gcc.c (main): Compare language[0] with '*' when iterating over
10586         the infiles.
10587
10588 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10589
10590         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10591         "s390_emit_compare".  Add handling of CCZ1mode.
10592         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10593         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10594         checking.
10595         (s390_branch_condition_mask): Add CCZ1mode handling.
10596         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10597         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10598         Use CCZ1mode instead of CCZmode.
10599         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10600
10601 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10602
10603         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10604         pattern.
10605         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10606
10607 2005-07-13  Eric Christopher  <echristo@redhat.com>
10608
10609         * config/mips/mips.c (mips_canonicalize_comparison): New.
10610         (mips_emit_int_relational): Use.
10611
10612 2005-07-13  Eric Christopher  <echristo@redhat.com>
10613
10614         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10615         static extra parts.
10616         * config/s390/s390.md: Include tpf.md. Move tpf specific
10617         patterns...
10618         * config/s390/tpf.md: To here.
10619         * config/s390/s390.opt: Move tpf specific options...
10620         * config/s390/tpf.opt: to here. Add mmain option.
10621         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10622         * config/s390/tpf.h: Rewrite.
10623
10624 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10625
10626         * doc/tm.texi: Remove @xref{Cross-profiling}.
10627
10628 2005-07-13  Jeff Law  <law@redhat.com>
10629
10630         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10631         expressions, test their _DECL operands for pointer equality rather
10632         than using operand_equal_p.
10633
10634 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10635
10636         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10637         (TARGET_POSIX_IO): This.
10638         * config/darwin.h: Likewise.
10639         * config/freebsd.h: Likewise.
10640         * config/linux.h: Likewise.
10641         * config/lynx.h: Likewise.
10642         * config/netbsd.h: Likewise.
10643         * config/rs6000/linux64.h: Likewise.
10644         * config/rs6000/linux.h: Likewise.
10645         * config/s390/tpf.h: Likewise.
10646         * config/sh/embed-elf.h: Likewise.
10647         * config/sparc/linux64.h: Likewise.
10648         * config/sparc/linux.h: Likewise.
10649         * config/svr4.h: Likewise.
10650         * gcov-io.h: Likewise.
10651
10652         * doc/tm.texi: Updated.
10653
10654         * libgcov.c (create_file_directory): Defined only if
10655         TARGET_POSIX_IO is defined.
10656         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10657         is defined.
10658
10659 2005-07-13  Jan Hubicka  <jh@suse.cz>
10660
10661         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10662
10663 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10664
10665         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10666         structure as argument.
10667
10668 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10669
10670         PR tree-optimization/21921
10671         * tree-iterator.c (tsi_link_before): Support the case when
10672         tsi_end_p (tsi) == true.
10673
10674 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10675
10676         PR tree-optimization/22442
10677         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10678         correctly.
10679
10680 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10681
10682         PR rtl-optimization/20376
10683         * toplev.c (process_options): Enable -fweb and -frename-registers when
10684         unrolling.
10685         * doc/invoke.texi: Update the information about when -fweb and
10686         -frename-registers are enabled.
10687
10688 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10689
10690         PR tree-opt/21840
10691         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10692         if *rhs_p is not a SSA_NAME.
10693
10694 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10695
10696         Fix PR tree-optimization/22422
10697         * tree-ssa-structalias.c (struct variable_info): Add flag for
10698         special vars.
10699         (get_varinfo): Now a static function.
10700         (new_varinfo): init has_union and is_special_var to false.
10701         (solution_set_add): Check has_union.
10702         (do_da_constraint): Move temporary variable so it gets reset
10703         properly.
10704         Also check for special variable.
10705         (do_ds_constraint): Ditto.
10706         (do_sd_constraint): Ditto.
10707         (do_structure_copy): Check for special variable.
10708         (find_func_aliases): Ditto.
10709         (init_base_vars): Set special vars properly.
10710
10711 2005-07-13  Jan Hubicka  <jh@suse.cz>
10712
10713         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10714         do unit-at-a-time.
10715
10716         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10717         (get_expr_operands): Fix thinko wrt flags and subvars.
10718
10719         PR tree-optimize/22379
10720         * tree-inline.c (expand_call_inline): Do not output sorry in early
10721         inlining.
10722
10723 2005-07-12  Dale Johannesen  <dalej@apple.com>
10724
10725         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10726
10727 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10728
10729         PR bootstrap/21704
10730         * host-linux.h: Include limits.h.
10731
10732 2005-07-12  Dale Johannesen  <dalej@apple.com>
10733
10734         * expr.c (compress_float_constant):  Add cost check.
10735         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10736
10737 2005-07-12  Dale Johannesen  <dalej@apple.com>
10738
10739         * gcc.target/i386/compress-float-sse.c:  New.
10740         * gcc.target/i386/compress-float-sse-pic.c:  New.
10741         * gcc.target/i386/compress-float-387.c:  New.
10742         * gcc.target/i386/compress-float-387-pic.c:  New.
10743         * gcc.dg/compress-float-ppc.c:  New.
10744         * gcc.dg/compress-float-ppc-pic.c:  New.
10745
10746 2005-07-12  Eric Christopher  <echristo@redhat.com>
10747
10748         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10749         static extra parts.
10750         * config/s390/s390.md: Include tpf.md. Move tpf specific
10751         patterns...
10752         * config/s390/tpf.md: To here.
10753         * config/s390/s390.opt: Move tpf specific options...
10754         * config/s390/tpf.opt: to here. Add mmain option.
10755         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10756         * config/s390/tpf.h: Rewrite.
10757
10758 2005-07-12  Eric Christopher  <echristo@redhat.com>
10759
10760         * gcc.c (struct infile): Update comment for language.
10761         (main): Rewrite input file resetting code.
10762
10763 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10764
10765         PR tree-opt/22335
10766         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10767         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10768         (lookup_avail_expr): Use constant_boolean_node instead
10769         of boolean_false_node/boolean_true_node.
10770
10771 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10772
10773         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10774         and use it when printing num_edges.
10775
10776 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10777
10778         * doc/extend.texi (Blackfin Built-in Functions): New section.
10779         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10780         @opindex.
10781
10782 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10783
10784         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10785         s/cmpstrsi/cmpstrnsi
10786         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10787         'cmpstrnsi'.
10788         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10789         (init_optabs): Initialize cmpstrn_optab.
10790         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10791         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10792         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10793         * config/i386/i386.md: s/cmpstr/cmpstrn
10794         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10795         * doc/md.texi: Update documentation.
10796
10797 2005-07-11  Richard Henderson  <rth@redhat.com>
10798
10799         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10800         build_va_arg_indirect_ref.
10801         (alpha_gimplify_va_arg): Likewise.
10802         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10803         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10804         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10805         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10806         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10807         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10808         Likewise.
10809         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10810
10811 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10812
10813         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10814         * passes.c (init_optimization_passes): Add pass_empty_loop.
10815         * tree-pass.h (pass_empty_loop): Declare.
10816         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10817         try_remove_empty_loop, remove_empty_loops): New functions.
10818         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10819         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10820
10821 2005-07-12  Peter Barada  <peter@the-baradas.com>
10822
10823         PR middle-end/16719
10824         PR middle-end/18421
10825         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10826         in address registers.
10827         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10828         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10829         alternative of addsi3_5200.
10830
10831 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10832
10833         * config/mips/mips.md (ffs<mode>2): Remove.
10834
10835 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10836
10837         * doc/tree-ssa.texi (Cleanups): Improve description of
10838         TRY_FINALLY_EXPR.
10839         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10840
10841 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10842
10843         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10844         * tree.h (DECL_ARGUMENT_FLD): New macro.
10845
10846 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10847
10848         Fix PR tree-optimization/22404
10849
10850         * tree-ssa-structalias.c (create_variable_info_for): Use
10851         correct offset.
10852
10853 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10854
10855         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10856         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10857         for second comparison operand.
10858         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10859
10860         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10861         (define_insn_reservation "alu"): Likewise.
10862         (csync, ssync): Now of type sync.
10863         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10864         -mcsync-anomaly -mspecld-anomaly.
10865         * config/bfin/bfin.opt (mcsync): Remove.
10866         (mcsync-anomaly, mspecld-anomaly): Add.
10867         * config/bfin/bfin.c: Include "insn-codes.h".
10868         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10869         (TARGET_DEFAULT_TARGET_FLAGS): New.
10870         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10871
10872 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10873
10874         * basic-block.h: Give the BB flags enum a name, bb_flags.
10875         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10876         * cfgcleanup.c (enum bb_flags): Remove here.
10877         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10878         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10879         (update_forwarder_flag): Likewise.
10880         (thread_jump): Likewise.
10881         (try_forward_edges): Likewise.
10882         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10883         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10884         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10885
10886 2005-07-11  Richard Guenther  <rguenther@suse.de>
10887
10888         * config/i386/i386.opt: New target option -msseregparm.
10889         * config/i386/i386.c (override_options): Error out for
10890         -msseregparm but no SSE support.
10891         (ix86_function_sseregparm): Check for global sseregparm.
10892         * doc/invoke.texi: Document -msseregparm.
10893
10894 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10895
10896         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10897         (m32rle-*-linux*): Ditto.
10898
10899 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10900
10901         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10902         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10903         bytes.
10904
10905 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10906
10907         PR middle-end/22239
10908         PR target/20126
10909         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10910         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10911
10912 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10913
10914         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10915         (varmap): Heapify varmap.
10916         (constraints): Heapify constraints.
10917         (struct constraint_graph): Heapify succs and preds.
10918         (constraint_vec_find): Update for heapification.
10919         (constraint_set_union): Ditto.
10920         (insert_into_complex): Ditto.
10921         (constraint_edge_vec_find): Ditto.
10922         (erase_graph_self_edge): Ditto.
10923         (add_graph_edge): Ditto.
10924         (get_graph_weights): Ditto.
10925         (merge_graph_nodes): Ditto.
10926         (build_constraint_graph): Ditto.
10927         (topo_visit): Ditto.
10928         (solve_graph): Ditto.
10929         (create_variable_info_for): Ditto.
10930         (init_base_vars): Ditto.
10931         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10932         (condese_varmap_nodes): Free complex vector.
10933         (clear_edges_for_node): Clear succs and preds vector.
10934
10935 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10936
10937         * tree-ssa-structalias.c (update_alias_info): Change counting of
10938         references to not include vdefs.
10939
10940 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10941
10942         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10943         (up_insert): Ditto.
10944
10945 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10946
10947         * pa.c (pa_commutative_p): Make PLUS commutative when
10948         TARGET_NO_SPACE_REGS is true.
10949
10950 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10951
10952         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10953         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10954         * tree-dfa.c (dump_subvars_for): New.
10955         (debug_subvars_for): New.
10956         (dump_variable): Show subvariables if VAR has them.
10957         * tree-flow-inline.h (get_subvar_at): New.
10958         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10959         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10960         Update all users.
10961         (struct subvar): Change fields offset and size to unsigned
10962         HOST_WIDE_INT.
10963         (dump_subvars_for): Declare.
10964         (debug_subvars_for): Declare.
10965         (get_subvar_at): Declare.
10966         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10967         to unsigned HOST_WIDE_INT *.
10968         (overlap_subvar): Likewise.
10969         * tree-gimple.c (is_gimple_reg): Always return false for
10970         SFTs and memory tags.
10971         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10972         Update all callers.
10973         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10974         (compute_may_aliases): Call compute_points_to_sets.
10975         (collect_points_to_info_for): Remove.
10976         (compute_points_to_and_addr_escape): Remove.
10977         (delete_alias_info): Call delete_points_to_sets.
10978         (compute_flow_sensitive_aliasing): If the call to
10979         find_what_p_points_to returns false, call set_pt_anything.
10980         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10981         (set_pt_anything): Clear pi->pt_vars.
10982         (set_pt_malloc): Remove.
10983         (merge_pointed_to_info): Remove.
10984         (add_pointed_to_expr): Remove.
10985         (add_pointed_to_var): Remove.
10986         (collect_points_to_info_r): Remove.
10987         (is_escape_site): Make extern.
10988         (create_sft): New.
10989         (create_overlap_variables_for): Call it.
10990         * tree-ssa-copy.c (merge_alias_info): Never merge
10991         flow-sensitive alias information.
10992         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10993         offset and size to be unsigned HOST_WIDE_INT.
10994         (add_to_addressable_set): Rename from note_addressable.
10995         Set TREE_ADDRESSABLE as the variables are added to the set.
10996         Update all users.
10997         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10998         operands into VUSEs when adding V_MAY_DEFs for members in an
10999         alias set.
11000         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11001         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11002         (struct variable_info): Add bitfield is_heap_var.
11003         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11004         (new_var_info): Initialize is_heap_var.
11005         (get_constraint_for): Add HEAP variables to the symbol table.
11006         Mark them with is_heap_var.
11007         (update_alias_info): New.  Taken mostly from the old
11008         compute_points_to_and_addr_escape.
11009         (handle_ptr_arith): New.
11010         (find_func_aliases): Call update_alias_info.
11011         Call handle_ptr_info for tcc_binary expressions.
11012         Call mark_stmt_modified.
11013         (create_variable_info_for): If DECL has subvars, do not create
11014         variables for its subvars.  Always add all the fields.
11015         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11016         SFTs, then add all the SFTs of the structure.
11017         If VI->DECL is an aggregate with subvariables, add the SFT at
11018         VI->OFFSET.
11019         (find_what_p_points_to): If VI is an artificial variable,
11020         translate to bitfields in SSA_NAME_PTR_INFO.
11021         If the solution is empty, set pi->pt_vars to NULL
11022         (init_base_vars): Create ANYOFFSET.
11023         (compute_points_to_sets): Rename from create_alias_vars.
11024         Make extern.
11025         (pass_build_pta): Remove.
11026         (delete_points_to_sets): Rename from delete_alias_vars.
11027         (pass_del_pta): Remove.
11028         * tree-ssa-structalias.h (struct alias_info): Move from
11029         tree-ssa-alias.h.
11030         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11031         NUM_REFERENCES_SET): Likewise.
11032         (compute_points_to_sets, delete_points_to_sets): Declare.
11033
11034 2005-07-09  Richard Henderson  <rth@redhat.com>
11035
11036         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11037         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11038         alpha_split_lock_test_and_set_12): New functions.
11039         * config/alpha/alpha-protos.h: Update.
11040         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11041         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11042         * config/alpha/sync.md (I12MODE): New.
11043         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11044         (sync_<fetchop_name><I48MODE>): Likewise.
11045         (sync_nand<I48MODE>): Likewise.
11046         (sync_old_<fetchop_name><I48MODE>): Likewise.
11047         (sync_new_<fetchop_name><I48MODE>): Likewise.
11048         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11049         (sync_compare_and_swap<I48MODE>): Likewise.
11050         (sync_lock_test_and_set<I48MODE>): Likewise.
11051         (sync_compare_and_swap<I12MODE>): New.
11052         (sync_compare_and_swap<I12MODE>_1): New.
11053         (sync_lock_test_and_set<I12MODE>): New.
11054         (sync_lock_test_and_set<I12MODE>_1): New.
11055
11056 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11057
11058         PR 21356
11059         PR 22332
11060         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11061
11062 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11063
11064         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11065         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11066
11067 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11068
11069         PR target/21656
11070         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11071
11072 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11073
11074         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11075         memory_operand constraint.
11076         (store_conditional_<mode>): Same.
11077         (sync_compare_and_swap<mode>): Same.
11078         (sync_lock_test_and_set<mode>): Same.
11079
11080 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11081
11082         Rewrite PIC support to more closely model actual instructions.
11083         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11084         (cris_symbol): Remove prototypes for removed functions.
11085         (cris_pic_symbol_type_of, cris_valid_pic_const)
11086         (cris_expand_pic_call_address): Prototypes for new functions.
11087         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11088         variable.
11089         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11090         modifiers.
11091         <case ':'>: Add case for new punctuation character.
11092         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11093         emitting (extra) PIC modifier.
11094         <case UNSPEC>: Do not assert for PLT.
11095         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11096         (cris_expand_prologue, cris_expand_epilogue): Check
11097         for pic_offset_table_rtx usage instead of taking
11098         current_function_uses_pic_offset_table as the final word.
11099         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11100         Remove flag_pic difference.
11101         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11102         the moral equivalents of...
11103         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11104         functions.
11105         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11106         (cris_handle_option): Mark ARG as unused.
11107         (cris_expand_pic_call_address): New worker function for "call",
11108         "call_value".
11109         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11110         output PIC constructs here.
11111         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11112         as symbol-specific modifers, not whole or part of operands.
11113         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11114         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11115         constants and flag_pic.
11116         (CONSTANT_INDEX_P): Adjust for new functions.
11117         (enum cris_pic_symbol_type): New helper type.
11118         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11119         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11120         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11121         define_constants.
11122         ("movsi"): Emit actual instructions for GOT and relative access.
11123         ("*movsi_got_load"): New pattern to set up the register holding
11124         the GOT pointer.
11125         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11126         Adjust FIXME for 'S'.
11127         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11128         Use "movs" for -fpic cases.
11129         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11130         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11131         ("call", "call_value"): Just call cris_expand_pic_call_address for
11132         PIC addresses.
11133         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11134         Remove special pattern.
11135         ("*expanded_call_side", "*expanded_call_value_side"): New
11136         patterns.
11137         (gotplt-to-plt, gotplt-to-plt-side-call)
11138         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11139         peephole2:s.
11140         * config/cris/cris/predicates.md
11141         ("cris_general_operand_or_gotless_symbol"): Remove unused
11142         predicate.
11143         ("cris_general_operand_or_symbol"): Adjust for new functions.
11144
11145 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11146
11147         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11148
11149 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11150
11151         * Makefile.in (TREE_H): Add treestruct.def.
11152         (c-decl.o): Add pointer-set.h
11153         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11154         visibility on regular DECL's.
11155         (merge_decls): Fix the copying of decl nodes of various types for
11156         the new structures.  Don't update RTL, section name, weak status,
11157         etc, on DECL's without RTL.
11158         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11159         Don't check volatile on non-variable types.
11160         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11161         to check whether we have seen arguments.
11162         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11163         flag is checked before field (flag is common, field is not).
11164         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11165         TS_DECL_COMMON could have an origin.
11166         (add_location_or_const_value_attribute): Don't check section name
11167         on non-var/function decls.
11168         (dwarf2out_var_location): Reverse order of tests.
11169         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11170         with DECL_WRTL_CHECK.
11171         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11172         * fold-const.c (fold_binary): Don't check weakness on
11173         non-var/function decls.
11174         (tree_expr_nonzero_p): Ditto.
11175         (fold_checksum_tree): Use tree_decl_extra as sizeof
11176         buffer.
11177         * ggc-page.c (extra_order_size_table): Add sizes for
11178         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11179         tree_field_decl.
11180         * gimplify.c (gimplify_bind_expr): Only set
11181         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11182         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11183         without RTL.
11184         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11185         * langhooks.h (init_ts). New langhook.
11186         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11187         * print-tree.c (print_node): Update to only print fields that
11188         exist in the structures the passed decl has.
11189         * toplev.c (wrapup_global_declarations): Don't reset
11190         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11191         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11192         * tree-inline.c (remap_decl): Ditto.
11193         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11194         * tree-pretty-print.c (print_declaration): Don't print
11195         DECL_REGISTER on things that don't contain it.
11196         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11197         non-var/function decls.
11198         * tree.c (tree_contains_struct): New structure.
11199         (init_priority_for_decl): New hashtable.
11200         (tree_int_map): New structure.
11201         (tree_int_map_eq): New function.
11202         (tree_int_map_marked_p): Ditto.
11203         (tree_int_map_hash): Ditto.
11204         (tree_map): Move to tree.h.
11205         (tree_map_eq): Externalize.
11206         (tree_map_hash): Ditto.
11207         (tree_map_marked_p): Ditto.
11208         (init_ttree): Set up tree_contains_struct and call langhook.
11209         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11210         (tree_code_size): Update for new structures.
11211         (tree_node_structure): Update for new structures.
11212         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11213         without the field.
11214         (copy_node_stat):  Copy init priority.
11215         (build_decl_stat): Ditto for visibility.
11216         (ts_enum_names): New.
11217         (tree_contains_struct_check_failed): New function.
11218         (decl_init_priority_lookup): Ditto.
11219         (decl_init_priority_insert): Ditto.
11220         * treestruct.def: New file.
11221         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11222         (CONTAINS_STRUCT_CHECK): Ditto.
11223         (tree_contains_struct_check_failed): New prototype.
11224         (DECL_CHECK): Removed.
11225         (DECL_MINIMAL_CHECK): New.
11226         (DECL_COMMON_CHECK): Ditto.
11227         (DECL_WRTL_CHECK): Ditto.
11228         (DECL_NON_COMMON_CHECK): Ditto.
11229         (DECL_WITH_VIS_CHECK): Ditto.
11230         (VAR_OR_FUNCTION_DECL_P): Ditto
11231         (struct tree_decl_minimal): New structure.
11232         (struct tree_decl_common): Ditto.
11233         (struct tree_decl_with_rtl): Ditto.
11234         (struct tree_decl_with_vis): Ditto.
11235         (struct tree_decl_non_common): Ditto.
11236         (struct tree_field_decl): Ditto.
11237         (struct tree_parm_decl): Ditto.
11238         (struct tree_var_decl): Ditto.
11239         (struct tree_function_decl): Ditto.
11240         (struct tree_const_decl): Ditto.
11241         (struct tree_result_decl): Ditto.
11242         (union tree_node): Add new structures.
11243         * var-tracking.c (track_expr_p): Reverse order of tests.
11244
11245         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11246
11247 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11248
11249         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11250         * system.h: Poison FINALIZE_PIC.
11251         * doc/tm.texi (FINALIZE_PIC): Remove.
11252
11253 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11254
11255         PR tree-opt/22329
11256         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11257         to the correct type if we have a MODIFY_EXPR.
11258
11259 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11260
11261         PR tree-optimization/22360
11262         * tree.c (upper_bound_in_type): Fix calculations for casting
11263         to a non-wider signed type and casting a signed value to a
11264         wider unsigned type.
11265         (lower_bound_in_type): Fix calculations for casting to a
11266         non-wider signed type.
11267
11268         PR tree-optimization/20139
11269         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11270         release_defs.
11271         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11272         fold_cond_expr_cond.
11273         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11274         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11275
11276 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11277
11278         PR tree-opt/22356
11279         * tree-complex.c (expand_complex_libcall): Produce
11280         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11281
11282 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11283
11284         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11285         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11286         b" assert and inserted fastpath code for this case.
11287         (bitmap_ior): Removed "a != b" assert.
11288
11289 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11290
11291         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11292         (ENDFILE_SPEC): Likewise.
11293         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11294
11295         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11296         a large stack frame at epilogue.
11297
11298 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11299
11300         * final.c: Include sdbout.h when required.
11301
11302 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11303
11304         * config.gcc (*-*-darwin*): Only one target-specific header file
11305         for generic darwin.
11306         (powerpc-*-darwin*): Add version-specific header files.
11307         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11308         * config.in: Regenerate.
11309         * configure: Regenerate.
11310         * gcc.c: Include xregex.h.
11311         (version_compare_spec_function): New.
11312         (spec_function): Add version-compare.
11313         (replace_outfile_spec_function): Reformat comment.
11314         (compare_version_strings): New.
11315         * config/darwin-c.c (version_as_macro): New.
11316         (builtin_define): New.
11317         (darwin_cpp_builtins): New.
11318         * config/darwin-protos.h (darwin_cpp_builtins): New.
11319         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11320         (LIB_SPEC): Make unconditional, update comment.
11321         (TARGET_C99_FUNCTIONS): Define.
11322         * config/darwin.opt: Sort.
11323         (mmacosx-version-min=): New.
11324         * config/darwin7.h: Delete.
11325         * config/darwin8.h: Delete.
11326         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11327         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11328         (TARGET_C99_FUNCTIONS): Define.
11329         * config/rs6000/darwin7.h: New.
11330         * config/rs6000/darwin8.h: New.
11331         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11332         (-mmacosx-version-min): Document.
11333
11334 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11335
11336         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11337
11338 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11339
11340         PR middle-end/22239
11341         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11342
11343 2005-07-07  Khem Raj  <kraj@mvista.com>
11344
11345         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11346         in bytes, not words.
11347
11348 2005-07-07  Paul Brook  <paul@codesourcery.com>
11349
11350         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11351         DEFAULT_FUNCTION_ARG_PADDING to upward.
11352
11353 2005-07-07  Richard Henderson  <rth@redhat.com>
11354
11355         * function.c (locate_and_pad_parm): Record parameter alignment in
11356         stack_alignment_needed.
11357
11358 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11359
11360         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11361         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11362         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11363         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11364         (define_attr "type"): Add isync, sync, load_l, store_c.
11365         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11366         Create scratch volatile MEM.
11367         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11368         sync.
11369         (load_locked_<mode>): New.
11370         (store_conditional_<mode>): New.
11371         (sync_compare_and_swap<mode>): Replace with splitter.
11372         (sync_lock_test_and_set<mode>): Replace with splitter.
11373         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11374         and UNSPECV_ISYNC.
11375         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11376         is ics.  Attribute isync.
11377         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11378         lwsync.
11379         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11380         and UNSPECV_SYNC_OP.
11381         (emit_unlikely_jump): New.
11382         (emit_load_locked): New.
11383         (emit_store_conditional): New.
11384         (rs6000_split_compare_and_swap): New.
11385         (rs6000_split_lock_test_and_set): New.
11386         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11387         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11388         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11389         rs6000_split_lock_test_and_set): Declare.
11390         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11391         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11392         store_c, isync, sync.
11393
11394 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11395
11396         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11397         filenames to gtyp-gen.h.
11398         (s-typ-gen): Use it in place of for loops.
11399
11400 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11401
11402         * hooks.c (hook_bool_rtx_int_false): New function.
11403         * hooks.h (hook_bool_rtx_int_false): Declare.
11404         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11405         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11406         * target.h (struct gcc_target): Add commutative_p member.
11407         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11408         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11409         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11410         (pa_commutative_p): New function.
11411         * jump.c (target.h): Include.
11412         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11413         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11414
11415 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11416
11417         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11418         (s390_expand_setmem): New.
11419         * config/s390/s390.c: Likewise.
11420         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11421         Adapt comments.
11422         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11423         general_operand.  Call new function "s390_expand_setmem".
11424         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11425         ("setmem_long", "*setmem_long"): ... this.
11426
11427 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11428
11429         * config/s390/s390.c: (optimization_options): Enable
11430         TARGET_MVCLE at -Os.
11431         * doc/invoke.texi: Document changes in default behaviour.
11432         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11433
11434 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11435
11436         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11437         defined by back-end.
11438
11439 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11440
11441         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11442         all sets in the pattern.
11443         * config/rs6000/rs6000.md (stack_protect_testsi,
11444         stack_protect_testdi): Likewise.
11445
11446 2005-07-06  Jeff Law  <law@redhat.com>
11447
11448         * tree-vrp.c (simplify_using_ranges): Kill.
11449         (vrp_finalize): Remove call to simplify_using_ranges.
11450         (simplify_stmt_using_ranges): New function extracted from
11451         simplify_using_ranges.
11452         (simplify_div_or_mod_using_ranges): Likewise.
11453         (simplify_abs_using_ranges): Likewise.
11454         (simplify_cond_using_ranges): New function.
11455         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11456         * tree-ssa-propagate.c (substitute_and_fold): Call
11457         simplify_stmt_using_ranges if we have range information.
11458
11459 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11460
11461         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11462         ia64_flag_schedule_isns2.
11463
11464         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11465         reading/writing general registers.
11466         (ia64_function_arg): Revert 2005-06-18 change.
11467
11468 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11469
11470         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11471         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11472
11473 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11474
11475         * function.c (expand_function_end): Revert part of 2005-06-27
11476         patch.  Do sjlj_emit_function_exit_after after return_label.
11477
11478 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11479
11480         * doc/install.texi (--disable-libssp): New.
11481
11482 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11483
11484         * doc/invoke.texi: Update -fforce-mem documentation.
11485         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11486         code for -fforce-mem.
11487         * expmed.c: (store_bit_field,store_fixed_bit_field,
11488         extract_bit_field): Ditto.
11489         * expr.c: (convert_move): Ditto.
11490         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11491         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11492         emit_conditional_add,expand_float,expand_fix): Ditto.
11493         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11494         (common_handle_option): Issue warning when -fforce-mem specified.
11495
11496 2005-07-06  Paul Brook  <paul@codesourcery.com>
11497
11498         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11499         argument is empty.
11500         * configure: Regenerate.
11501
11502 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11503
11504         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11505
11506 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11507
11508         Fix PR tree-optimization/22319
11509         Fix PR tree-optimization/22140
11510         Fix PR tree-optimization/22310
11511
11512         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11513         variable sized types.
11514         Use correct type for intermediate structure on *a = *b structure
11515         copies.
11516
11517 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11518
11519         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11520         Remove.
11521         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11522         (machine_function): Move typedef to...
11523         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11524         varargs_save_offset field.
11525         (rs6000_stack_t): Remove varargs_size field.
11526         (setup_incoming_varargs): Allocate varargs save area using
11527         assign_stack_local, try to make it as small as possible.
11528         Save offset from virtual_stack_vars_rtx to the save area
11529         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11530         instead of magic 8 when fp word byte size is used.
11531         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11532         instead of -RS6000_VARARGS_SIZE.
11533         (rs6000_stack_info, debug_stack_info,
11534         rs6000_initial_elimination_offset): Remove all traces of
11535         varargs_size.
11536         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11537         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11538         RS6000_VARARGS_AREA.
11539
11540 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11541
11542         PR tree-optimization/21963
11543         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11544         constant_multiple_of in the same way get_computation_cost_at does.
11545
11546 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11547
11548         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11549         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11550         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11551         and return its previous value.
11552         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11553         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11554         constants.
11555         (stack_protect_set, stack_protect_test): New expanders.
11556         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11557         stack_protect_testdi): New insns.
11558         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11559         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11560
11561 2005-07-06  Jeff Law  <law@redhat.com>
11562
11563         * tree-ssa-dce.c (cfg_altered): New global.
11564         (tree_dce_init): Initialize cfg_altered.
11565         (remove_dead_stmt): If we remove an edge in the CFG, then set
11566         CFG_ALTERED.
11567         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11568         the dominators.
11569
11570 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11571
11572         * Makefile.in (stamp-collect-ld): Use
11573         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11574         ./collect-ld if it already exists.
11575         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11576         Don't remove ./nm if it already exists.
11577
11578 2005-07-05  Devang Patel  <dpatel@apple.com>
11579
11580         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11581         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11582         * tree-vectorizer.c (vect_loop_location): New.
11583         (vect_print_dump_info): Use vect_loop_location.
11584         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11585         (vectorize_loops): Set vect_loop_location.
11586         * tree-vect-analyze.c (vect_analyze_offset_expr,
11587         vect_determin_vectorization_factor, vect_analyze_operations,
11588         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11589         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11590         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11591         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11592         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11593         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11594         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11595         vect_analyze_loop): Adjust vect_print_dump_info API.
11596         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11597         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11598         vect_finish_stmt_generation, vectorizable_assignment,
11599         vectorizable_operation, vectorizable_store, vectorizable_load,
11600         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11601         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11602         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11603         vect_transform_loop): Same.
11604         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11605         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11606         Same.
11607
11608 2005-07-05  Randolph Chung  <tausq@debian.org>
11609
11610         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11611         * configure: Regenerate.
11612         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11613         (pa_tls_referenced_p): Declare.
11614         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11615         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11616         (legitimize_tls_address): New.
11617         (hppa_legitimize_address): Handle TLS addresses.
11618         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11619         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11620         (emit_move_sequence): Handle TLS addresses.
11621         (pa_encode_section_info): Call default handler to handle common
11622         sections.
11623         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11624         (CONSTANT_ADDRESS_P): Reject TLS operands.
11625         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11626         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11627         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11628         (UNSPEC_TLSLE): Define new constants.
11629         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11630         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11631         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11632         (tie_symbolic_operand, tle_symbolic_operand): New
11633
11634 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11635
11636         * aclocal.m4: Update macros for autoconf 2.59 style.
11637         * configure.ac: Likewise.
11638
11639 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11640
11641         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11642         (function_arg): Pass small aggregates in general registers on 32-bit
11643         targets.
11644         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11645
11646 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11647
11648         * Makefile.in (final.o): Fix dependencies.
11649
11650 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11651
11652         PR c/22013
11653         PR c/22098
11654         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11655         * langhooks.c (lhd_expr_to_decl): New.
11656         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11657         New.
11658         (LANG_HOOKS_INITIALIZER): Update.
11659         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11660         expr_to_decl langhook.
11661         * c-tree.h (c_expr_to_decl): Declare.
11662         * c-typeck.c (c_expr_to_decl): New.
11663         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11664         specially.
11665         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11666
11667 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11668
11669         PR c/22308
11670         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11671         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11672
11673 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11674
11675         * Makefile.in: Adjust dependencies.
11676         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11677         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11678         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11679         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11680         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11681         rest_of_compilation.
11682
11683         * bb-reorder.c (gate_duplicate_computed_gotos,
11684         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11685         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11686         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11687         pass_partition_blocks): New.
11688         * bt-load.c (gate_handle_branch_target_load_optimize,
11689         rest_of_handle_branch_target_load_optimize,
11690         pass_branch_target_load_optimize): New.
11691         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11692         pass_jump2): New.
11693         * cfglayout.c (pass_insn_locators_initialize): New.
11694         * cfgrtl.c (pass_free_cfg): New.
11695         * combine.c (gate_handle_combine, rest_of_handle_combine,
11696         pass_combine): New.
11697         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11698         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11699         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11700         * except.c (pass_set_nothrow_function_flags,
11701         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11702         pass_rtl_eh): New.
11703         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11704         rest_of_handle_shorten_branches, pass_shorten_branches,
11705         rest_of_clean_state, pass_clean_state): New.
11706         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11707         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11708         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11709         pass_flow2): New.
11710         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11711         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11712         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11713         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11714         pass_gcse): New.
11715         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11716         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11717         pass_rtl_ifcvt, gate_handle_if_after_combine,
11718         rest_of_handle_if_after_combine, pass_if_after_combine,
11719         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11720         pass_if_after_reload): New.
11721         * integrate.c (pass_initial_value_sets): New.
11722         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11723         pass_purge_lineno_notes): New.
11724         * mode-switching.c (rest_of_handle_mode_switching,
11725         pass_mode_switching): New.
11726         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11727         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11728         pass_loop2): New.
11729         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11730         pass_loop_optimize): New.
11731         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11732         pass_sms): New.
11733         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11734         pass_gcse2): New.
11735         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11736         pass_postreload_cse): New.
11737         * profile.c (gate_handle_profiling, pass_profiling,
11738         rest_of_handle_branch_prob, pass_branch_prob): New.
11739         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11740         pass_split_before_regstack, gate_handle_split_before_regstack,
11741         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11742         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11743         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11744         pass_stack_regs): New.
11745         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11746         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11747         pass_stack_adjustments): New.
11748         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11749         pass_regrename): New.
11750         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11751         pass_delay_slots, gate_handle_machine_reorg,
11752         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11753         * rtl.h (extern void purge_line_number_notes): New.
11754         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11755         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11756         pass_sched2): New.
11757         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11758         pass_tracer): New.
11759         * value-prof.c (gate_handle_value_profile_transformations,
11760         rest_of_handle_value_profile_transformations,
11761         pass_value_profile_transformations): New.
11762         * var-tracking.c (gate_handle_var_tracking,
11763         pass_variable_tracking): New.
11764         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11765
11766         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11767         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11768         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11769         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11770         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11771         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11772         rest_of_handle_gcse2, rest_of_handle_regmove,
11773         rest_of_handle_tracer, rest_of_handle_if_conversion,
11774         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11775         rest_of_handle_web, rest_of_handle_branch_prob,
11776         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11777         rest_of_handle_jump_bypass, rest_of_handle_combine,
11778         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11779         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11780         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11781         rest_of_handle_mode_switching, rest_of_handle_jump,
11782         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11783         rest_of_handle_flow2, rest_of_handle_jump2,
11784         rest_of_handle_peephole2, rest_of_handle_postreload,
11785         rest_of_handle_shorten_branches, rest_of_clean_state,
11786         rest_of_compilation): Remove.
11787
11788         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11789         * passes.c (dump_flags, in_gimple_form, all_passes,
11790         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11791         register_dump_files, next_pass_1, last_verified, execute_todo,
11792         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11793         from tree-optimize.c.
11794         (init_optimization_passes): Moved from tree-optimize.c,
11795         adding the RTL optimizations.
11796         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11797         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11798         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11799         register_dump_files, next_pass_1, last_verified, execute_todo,
11800         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11801         init_tree_optimization_passes, ipa_passes): Delete.
11802         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11803         the RTL dumps.
11804         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11805         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11806         from tree.h.
11807         (ipa_passes): Remove.
11808         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11809         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11810         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11811         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11812         (dump_info_p, dump_flag): Moved to tree-dump.h.
11813
11814         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11815         cgraph.c, opts.c.
11816         * passes.c (finish_optimization_passes): Use dump_begin
11817         and dump_end, TDI_end.
11818         (gate_rest_of_compilation): New.
11819         (pass_rest_of_compilation): Use it.
11820         (gate_postreload, pass_postreload): New.
11821         * toplev.c (general_init): Rename init_tree_optimization_passes.
11822         * toplev.h (init_tree_optimization_passes): Rename to
11823         init_optimizations_passes.
11824         * tree-dump.c (dump_flag): Make static.
11825         (dump_files): Remove RTL dumps.
11826         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11827         pass_cleanup_cfg, pass_free_cfg_annotations,
11828         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11829         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11830         * tree-pretty-print.c: Include tree-pass.h.
11831         * cgraph.c: Include tree-dump.h.
11832
11833 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11834
11835         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11836         Only fall back to saying it points to readonly memory if
11837         we can't do better.
11838
11839 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11840
11841         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11842         * config/m32r/m32r.c (m32r_compute_frame_size,
11843         m32r_expand_prologue): Take current_function_profile into
11844         account whenever we reference
11845         current_function_uses_pic_offset_table.
11846         (m32r_finalize_pic): Remove.
11847         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11848
11849 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11850
11851         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11852         instead of $<.  Don't remove ./as if it already exists.
11853
11854 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11855
11856         PR target/21723
11857         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11858         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11859         for complex modes when generating code for PA 1.0.
11860         (VALID_FP_MODE_P): New macro.
11861         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11862         sets for all general and floating point modes.  Align wide floating
11863         point modes to even register boundaries to comply with architectural
11864         requirements.
11865         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11866         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11867         (VALID_FP_MODE_P): New macro.
11868         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11869         sets for all general and floating point modes.  Align wide floating
11870         point modes to even register boundaries to comply with architectural
11871         requirements.
11872
11873 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11874
11875         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11876         to 0.
11877
11878 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11879
11880         * tree-ssa-structalias.c: Don't include expr.h.
11881
11882 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11883
11884         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11885         comments.
11886
11887 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11888
11889         Fix PR tree-optimization/22279
11890
11891         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11892         correct operator.
11893
11894 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11895
11896         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11897
11898 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11899
11900         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11901         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11902         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11903         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11904         config/stormy16/stormy16.c, config/v850/v850.c,
11905         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11906         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11907         Avoid "." or "\n" at end of diagnostics and capital letters at
11908         start of diagnostics.
11909         * combine.c, cse.c: Don't translate dump file output.
11910         * toplev.c (print_version): Only translate output if going to
11911         stderr.
11912
11913 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11914
11915         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11916         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11917         typos.
11918
11919 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11920
11921         * pa.c (fix_range): Fix typo in comment.
11922
11923 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11924
11925         * tree-vrp.c (extract_range_from_assert): Replace
11926         fold (build (...)) with fold_build2.
11927
11928 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11929
11930         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11931         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11932         (format_types_orig, handle_format_attribute): Add support for
11933         format "gcc_gfc".
11934
11935 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11936
11937         * varasm.c (assemble_variable): Fix format specifier thinko.
11938
11939 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11940
11941         PR tree-optimization/22029 (and 22135)
11942         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11943         a phi node before calling dump_vops.
11944
11945 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11946
11947         * tree-dump.h (dump_string_field): Declare.
11948         * tree-dump.c: Use it instead of dump_string.
11949         (dump_string_field): Make non-static.
11950
11951 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11952
11953         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11954         up the minimal CFG stuff always when optimize > 0.  Call
11955         split_all_insns_noflow in PIC case if needed.
11956
11957 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11958             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11959
11960         PR c++/18279
11961         * c-decl.c (c_write_global_declarations): Dump contents of
11962         external scope to.
11963         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11964         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11965         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11966         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11967         is enabled.
11968
11969 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11970
11971         * c-common.h (GCC_DIAG_STYLE): Define.
11972         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11973         version for format checking to 4.1.
11974         * c-format.c: Include toplev.h after c-common.h.
11975         (enum format_type): Add gcc_tdiag_format_type.
11976         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11977         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11978         (format_types_orig): Add gcc_tdiag.
11979         (init_dynamic_diag_info): Support gcc_tdiag formats.
11980         (handle_format_attribute): Likewise.
11981         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11982         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11983         version for format checking to 4.1.
11984         (warning0, warning, error, pedwarn, sorry): Use
11985         ATTRIBUTE_GCC_DIAG.
11986         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11987         (finish_aliases_1): Do not use %qE.
11988         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11989         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11990         Correct format bugs.
11991         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11992         parameter to unsigned HOST_WIDE_INT.
11993         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11994
11995 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11996
11997         PR middle-end/21742
11998         * expr.c (write_complex_part): Use adjust_address for MEM.
11999         (read_complex_part): Same.
12000
12001 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12002
12003         Fix PR tree-optimization/22280
12004
12005         * tree-sra.c (generate_element_init): Remove useless loop.
12006
12007 2005-07-02  Richard Henderson  <rth@redhat.com>
12008
12009         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12010         TLS_MODEL_NONE.
12011         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12012
12013 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12014
12015         PR middle-end/14490
12016         * fold-const.c (fold_binary): Handle the return value of
12017         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12018         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12019
12020 2005-07-02  Jeff Law  <law@redhat.com>
12021
12022         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12023         a eliminate type conversion which feeds an equality comparison
12024         if the original type or either operand in the comparison is a
12025         function pointer.
12026
12027 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12028
12029         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12030         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12031         texts.
12032         * config/avr/avr.c: Do not use '`' as left quote.
12033         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12034         Remove "." from end of diagnostics.  Make diagnostics start with
12035         lowercase letter.
12036
12037 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12038             Joseph S. Myers  <joseph@codesourcery.com>
12039
12040         * toplev.c (default_tree_printer): Handle setting location with
12041         '+' flag.
12042         * c-objc.common.c (c_tree_printer): Likewise.
12043         * c-format.c (gcc_diag_flag_specs): Add '+'.
12044         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12045         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12046         formats.
12047         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12048         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12049         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12050         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12051         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12052         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12053         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12054         format arguments where %J is used without %D.
12055
12056 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12057
12058         * gcc.c (LINK_SSP_SPEC): Define.
12059         (link_ssp_spec): New variable.
12060         (LINK_COMMAND_SPEC): Add %(link_ssp).
12061         (static_specs): Add link_ssp_spec.
12062         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12063         * configure: Rebuilt.
12064         * config.in: Rebuilt.
12065
12066         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12067         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12068         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12069         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12070         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12071         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12072         -0x7008(2) instead of reading __stack_chk_guard variable.
12073         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12074         number.
12075         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12076         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12077         if TARGET_THREAD_SSP_OFFSET is defined.
12078         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12079         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12080
12081         Revert:
12082         2005-06-27  Richard Henderson  <rth@redhat.com>
12083         * libgcc-std.ver (GCC_4.1.0): New.
12084         * libgcc.h (__stack_chk_guard): Declare.
12085         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12086         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12087         * mklibgcc.in (lib2funcs): Add them.
12088
12089 2005-07-01  Richard Henderson  <rth@redhat.com>
12090
12091         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12092         void * before struct sigcontext *.
12093         (x86_fallback_frame_state): Likewise.
12094
12095 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12096
12097         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12098
12099 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12100
12101         PR tree-opt/22269
12102         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12103         we check for SSA_NAME for.
12104
12105 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12106
12107         Fix PR tree-optimization/22071
12108
12109         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12110         function.
12111         (get_constraint_for_component_ref): Use it.
12112
12113 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12114
12115         PR other/22264
12116         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12117         print out the last new line.
12118
12119 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12120
12121         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12122         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12123         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12124         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12125         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12126         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12127         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12128         (enum reg_class): New member CC0_REGS.
12129         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12130         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12131         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12132         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12133         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12134         Adjust for register now described.
12135
12136 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12137
12138         PR target/22262
12139         * config/i386/i386.md (stack_protect_test_si,
12140         stack_protect_test_di): Add earlyclobber for scratch 3.
12141         * config/rs6000/rs6000.md (stack_protect_testsi,
12142         stack_protect_testdi): Add earlyclobber for scratch 3,
12143         remove earlyclobber from scratch 4.
12144
12145 Older entries for 2005 can be found in ChangeLog-2005.