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* reorg.c (mostly_true_jump): Clean up code depending on
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-16  Steven Bosscher  <stevenb@suse.de>
2
3         * reorg.c (mostly_true_jump): Clean up code depending on
4         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
5         poor man's branch prediction, instead rely on REG_BR_PROB
6         notes to be available.
7
8 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
9
10         PR rtl-optimization/24899
11         * loop.c (strength_reduce): Don't reduce giv that is not always
12         computable and where add_val or mult_val can trap.
13
14         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
15
16 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
17
18         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
19         names of ms1-16-002 files.
20
21 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
22
23         PR driver/20425
24         * gcc.c (for_each_path): New function.
25         (add_to_obstack, file_at_path): New functions.
26         (struct file_at_path_info, struct add_to_obstack_info): New.
27         (build_search_list): Rewrite using for_each_path.  Constify struct
28         path_prefix pointer.  Add do_multi param.  Adjust all callers.
29         (find_a_file): Similarly, but just change existing param to bool.
30         (putenv_from_prefixes): Add do_multi param, make "paths" const.
31         (do_spec_path): Delete.
32         (struct spec_path_info): New.
33         (spec_path): New function.
34         (do_spec_1): Use for_each_path for %D and %I.
35         (find_file): Adjust for find_a_file changes.
36         (main): Search multilibs for specs.  Print multilib lib path for
37         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
38         (read_specs): Search multilibs for %include and %include_noerr.
39         (is_directory): Remove second string param.  Change last param
40         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
41         check path is a dir.  Update all callers.
42         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
43         * system.h (SMALL_ARG_MAX): Poison.
44         * config.gcc: Don't define SMALL_ARG_MAX.
45         * config.host: Likewise.
46         * config.build: Likewise.
47
48 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
49
50         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
51         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
52         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
53         simplify_logical): Move simplifications that do not require
54         additional infrastructure...
55         * simplify-rtx.c (simplify_unary_operation_1,
56         simplify_binary_operation_1): ... here.
57
58 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
59
60         PR 24823
61         * flow.c (mark_used_dest_regs): New function.
62         (mark_used_regs): Call mark_used_dest_regs.
63
64 2005-12-16  Jeff Law  <law@redhat.com>
65
66         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
67         represent a use and definition of the same SSA_NAME.
68
69 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
70             Janis Johnson  <janis187@us.ibm.com>
71             Ben Elliston  <bje@au.ibm.com>
72
73         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
74         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
75         * target.h (struct gcc_target): Add decimal_float_supported_p.
76         * targhooks.c (default_scalar_mode_supported_p): Handle
77         MODE_DECIMAL_FLOAT.
78         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
79         of inf, nan, finite, isinf and isnan.
80         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
81         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
82         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
83         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
84         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
85         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
86         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
87         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
88         Pedwarn if decimal floating point types are used.  Error if
89         decimal floating point is not supported by the target.
90         (finish_declspecs): Return type from DFP typespec_word.
91         * c-typeck.c (c_common_type): Choose the decimal floating point
92         type with the greater precision when determining a common type.
93         (convert_arguments): Warn if there is a mismatch between argument
94         and prototype for decimal float types.  Warn of conversions with
95         binary float types and of precision narrowing due to prototype.
96         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
97         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
98         (c_token_starts_declspecs): Likewise.
99         (c_parser_attributes): Likewise.
100         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
101         RID_DFLOAT64, RID_DFLOAT128.
102         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
103         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
104         (shorten_compare): Convert DFP/BFP operands to a common type.
105         (c_common_modes_and_builtins): Register built-in decimal float
106         types if the target supports them.
107         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
108         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
109         inf, nan, finite, isinf and isnan builtins.
110         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
111         (builtin_define_float_constants): Assert non-decimal radix.
112         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
113         Call builtin_define_decimal_float_constants for each type.
114         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
115         flags.  Use real_from_string3, which can handle binary or decimal
116         floats.
117         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
118         cts_dfloat64, cts_dfloat128.
119         * tree.c (build_common_tree_nodes_2): Add decimal float types.
120         * tree.h (enum tree_index): Add new enumeration values
121         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
122         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
123         (dfloat32_type_node): New macro.
124         (dfloat64_type_node, dfloat128_type_node): Likewise.
125         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
126         (dfloat128_ptr_type_node): Likewise.
127         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
128         bit decimal floating point types with "df", "dd" and "dl".
129         * c-format.h (enum format_lengths): Add new enumeration values
130         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
131         * c-format.c (printf_length_specs, scanf_length_specs): Add
132         entries for H, D, DD.
133         (print_char_table, scan_char_table): Use new entries.
134         (asm_fprintf_char_table, gcc_diag_char_table,
135         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
136         length arrays.
137         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
138         (DECIMAL64_TYPE_SIZE): Likewise.
139         (DECIMAL128_TYPE_SIZE): Likewise.
140         (TARGET_DEC_EVAL_METHOD): Likewise.
141         * doc/extend.texi (Decimal Float): New node.
142         (Constructing Calls): Document decimal float built-ins.
143         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
144         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
145         * ginclude/decfloat.h: New file.
146
147 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
148
149         * reload.c (find_reloads): Fix comment typo.
150         * recog.h (recog_memoized): Correct comment.
151
152 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
153
154         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
155         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
156         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
157         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
158         * doc/invoke.texi, doc/tm.texi: Fix typos.
159
160 2005-12-16  Ben Elliston  <bje@au.ibm.com>
161
162         * real.c (decimal_quad_format): Correct values for emin, emax.
163
164 2005-12-15  DJ Delorie  <dj@redhat.com>
165
166         * config/m32c/predicates.md (m32c_psi_scale): New.
167         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
168         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
169
170 2005-12-16  Jan Hubicka  <jh@suse.cz>
171
172         PR rtl-optimization/25224
173         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
174         tables.
175
176 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
177             Steven Bosscher <stevenb@suse.de>
178
179         * loop-invariant.c (df): New global variable.
180         (find_defs, check_dependencies, find_invariant_insn, record_uses,
181         find_invariants_bb, find_invariants_body, find_invariants,
182         find_invariants_to_move, move_invariants, free_inv_motion_data,
183         move_single_loop_invariants, move_loop_invariants): Do not pass df in
184         arguments.
185
186 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
187
188         * varasm.c (default_unique_section_1): Use special section
189         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
190
191 2005-12-16  Ben Elliston  <bje@au.ibm.com>
192
193         * doc/invoke.texi (Warning Options): Document -Walways-true being
194         enabled by -Wall.
195
196 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
197
198         PR other/25028
199         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
200         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
201         __floatunditf): Use #error if type sizes don't match requirements
202         of implementation.
203         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
204         as wider floating-point type.  Use #error if type sizes don't
205         match requirements of implementation.  Avoid overflow in computing
206         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
207         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
208         (__floatundisf, __floatundidf): Likewise.
209         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
210         * config/ia64/ia64.c (ia64_init_libfuncs): Use
211         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
212         TFmode-TImode conversions.
213         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
214
215 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
216
217         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
218         Use builtin_define_with_int_value() instead of
219         adding a new check for every new major FreeBSD version.
220
221 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
222
223         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
224
225 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
226
227         * config/arm/predicates.md (call_memory_operand): New.
228         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
229
230 2005-12-15  Andrew Haley  <aph@redhat.com>
231
232         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
233         against prev_cache_entry == NULL when moving a cache entry to the
234         head of the list.
235         
236 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
237
238         * config/mt/mt.c (mt_override_options): Require lower case
239         architectures.  Revert accidental default to ms2.
240         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
241         ENDFILE_SPEC): Require lower case architectures.  Revert default
242         to ms2.
243
244         * doc/invoke.texi (MT Options): Rename and update.
245         * doc/md.texi (MorphoTech family): Rename and update.
246
247 2005-12-15  Olivier Hainque  <hainque@adacore.com>
248
249         * stor-layout.c (layout_type): Don't complain about a too small
250         an array element type size compared to its alignment when the
251         size overflows.
252
253 2005-12-15  Jan Hubicka  <jh@suse.cz>
254
255         PR target/24969
256         * i386.c (classify_argument): Properly adjust offset of bitfield for
257         substructures.
258
259 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
260
261         * final.c (final_scan_insn): Flip in_cold_section_p when changing
262         between the hot and cold sections.  Use current_function_section
263         to get the new section.
264         * dwarf2out.c (output_line_info): Use in_cold_section_p to
265         determine whether we are assembling hot or cold code.
266         (secname_for_decl, dwarf2out_var_location): Likewise.
267         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
268         * varasm.c (last_text_section): Delete.
269         (in_cold_section_p): New variable.
270         (hot_function_section): New function.
271         (current_function_section): Pass in_cold_section_p as the
272         reloc argument to select_section.  Use it to decide between
273         unlikely_function_section and hot_function_section.
274         (assemble_start_function): Use switch_to_section.  Set
275         in_cold_section_p instead of last_text_section.
276         (assemble_end_function): Use switch_to_section.
277         (switch_to_section): Don't set last_text_section.
278         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
279         argument to make the right choice between hot and cold sections.
280
281 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
282
283         Second part of MS1->MT renaming
284         * config/mt/mt.md (doloop_end): Call mt_add_loop.
285         (movqi, movhi): Call mt_set_memflags.
286         (*movdf_internal): Call mt_split_words. 
287         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
288         mt_set_memflags.
289         (cmpsi): Store to mt_compare_op[01].
290         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
291         bungt, bunle, bunlt): Call mt_emit_cbranch.
292         (prologue): Call mt_expand_prologue.
293         (epilogu): Call mt_expend_epilogue.
294         (eh_return): Call mt_expand_eh_return.
295         (eh_epilogue): Call me_emit_eh_epilogue.
296         (conditional_trap): Store to mt_compare_op[01].
297         * config/mt/crti.asm: Adjust comment.
298         * config/mt/crtn.asm: Adjust comment.
299         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
300         (mt_compare_op0, mt_compare_op1): Renamed.
301         (current_frame_info, zero_frame_info): Adjust type.
302         (mt_ucmpsi3_libcall): Renamed.
303         (mt_flag_delayed_branch): Renamed.
304         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
305         (mt_nops_required, mt_nop_reasons): Renamed.
306         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
307         mt_debug_stack, mt_print_operand_simple_address,
308         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
309         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
310         mt_function_arg_advance, mt_arg_partial_bytes,
311         mt_pass_by_reference, mt_function_arg_boundary,
312         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
313         mt_legitimate_address_p): Renamed, adjusted.
314         (mt_cpu): Renamed.
315         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
316         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
317         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
318         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
319         mt_expand_eh_return, mt_emit_eh_prologue,
320         mt_handl_interrupt_attribute): Renamed, adjusted.
321         (mt_attribute_table): Renamed, adjusted.
322         (mt_initial_elimination_offset, mt_generate_compare,
323         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
324         mt_secondary_reload_class, mt_function_value, mt_split_words,
325         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
326         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
327         (mt_labels): Renamed.
328         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
329         mt_machine_reorg): Renamed, adjusted.
330         (mt_attribute_table: Renamed.
331         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
332         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
333         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
334         * config/mt/mt.opt (march): Set mt_cpu_string.
335         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
336         (TARGET_CPU_CPP_BUILTINS): Adjust.
337         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
338         TARGET_MS2): Adjust.
339         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
340         (MT_MIN_INT): Renamed.
341         (RETURN_ADDR_RTX): Adjust.
342         (struct mt_frame_info): Renamed.
343         (current_frame_info): Adjust type.
344         (INITIAL_ELIMINATION_OFFSET): Adjust.
345         (MT_NUM_ARG_REGS): Renamed.
346         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
347         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
348         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
349         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
350         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
351         (mt_compare_op0, mt_compare_op1): Renamed.
352         * config/mt/mt-protos.h: Rename prototypes.
353
354 2005-12-15  Richard Guenther  <rguenther@suse.de>
355
356         * tree-flow.h (okay_component_ref_for_subvars): Remove.
357         (get_ref_base_and_extent): Declare.
358         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
359         (get_ref_base_and_extent): New function.
360         * tree-ssa-alias.c (find_used_portions): Use it.
361         * tree-ssa-structalias.c (get_constraint_for_component_ref):
362         Likewise.
363         * tree-ssa-operands.c (get_expr_operands): Likewise.
364
365 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
366
367         * combine.c: Remove force_to_mode's fourth parameter.
368         (force_to_mode): Do not handle REG.
369         (canon_reg_for_combine): New.
370         (make_field_assignment): Use it where the removed argument was non-NULL.
371
372 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
373
374         PR target/25406
375         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
376         error_mark_node.  Make alignment params unsigned.
377         * config/rs6000/rs6000-protos.h
378         (rs6000_special_round_type_align): Update prototype.
379         (rs6000_machopic_legitimize_pic_address): Remove arg names.
380
381 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
382
383         PR rtl-optimization/25310
384         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
385         of the eliminable register when substituting into a PLUS.
386
387 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
388
389         PR debug/25023
390         * config/i386/i386.c (ix86_force_to_memory): Always use
391         SImode push for HImode in -m32.
392         (ix86_free_from_memory): Likewise.
393
394 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
395
396         * gcc/config/arm/arm.md: Provide a big-endian version of the
397         (zero_extend:SI (subreg:QI ...)) splitter.
398
399 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
400
401         * struct-equiv.c (note_local_live): Handle hard regs with different
402         hard_regno_nregs.
403
404 2005-12-14  Jeff Law  <law@redhat.com>
405
406         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
407         to a structure containing state rather than a pointer to bool.
408         (case ARRAY_REF): New code to handle folding some array references.
409         (case ADDR_EXPR): Note when we are processing expressions found
410         within an ADDRE_EXPR.
411         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
412         for state variables rather than just a pointer to a boolean.
413         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
414         handling of constant string references.
415
416 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
417
418         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
419         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
420         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
421         Move other tst* patterns to retain partial order.
422
423 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
424
425         * config/s390/s390.md ("d0", "1"): New mode attributes.
426         ("<shift>di3", "<shift>si3"): Merge.
427         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
428         ("ashrdi3", "ashrsi3"): Merge.
429         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
430         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
431         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
432         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
433         ("*ashrdi3", "*ashrsi3"): Merge.
434         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
435
436 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
437
438         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
439         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
440         ("*extendqidi2", "*extendqisi2") Merge.
441         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
442         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
443         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
444         Move some patterns to retain partial ordering.
445
446 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
447
448         * config/s390/s390.md ("atype", "length"): Rewrite.
449         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
450
451 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
452
453         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
454
455 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
456
457         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
458         PARALLELs with a mode.
459
460 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
461
462         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
463         cond_expr parameter.
464
465 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
466
467         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
468
469 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
470
471         PR bootstrap/25397:
472
473         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
474         of STACK_REGS bits.
475
476         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
477
478 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
479
480         PR target/25254
481         PR target/24188
482         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
483         DECL_P, call get_section rather than get_named_section.  Supply
484         section flags to it.
485
486 2005-12-14  Ben Elliston  <bje@au.ibm.com>
487
488         * c-common.c (c_common_truthvalue_conversion): Generalise warning
489         for addresses converted to booleans; not just function addresses.
490         * c-typeck.c (build_binary_op): Warn for address comparisons which
491         can never be NULL (eg. func == NULL or &var == NULL).
492         * common.opt (Walways-true): New option.
493         * c-opts.c (c_common_handle_option): Set it with -Wall.
494         * doc/invoke.texi: Document it.
495
496 2005-12-13  Paul Brook  <paul@codesourcery.com>
497
498         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
499         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
500
501 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
502
503         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
504         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
505
506         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
507         (EXTRA_MULTILIB_PARTS): Define.
508
509 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
510
511         PR rtl-optimization/20070 / part1
512         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
513         count_or_remove_death_notes with kill == -1.
514         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
515         registers if PROP_POST_REGSTACK is set.
516         (mark_used_reg): Likewise.
517         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
518         REG_UNUSED notes for stack regs.
519         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
520         to match rtx_equiv_p machinery.  Change caller.
521         (outgoing_edges_match): Likewise.
522         (try_crossjump_to_edge): Use struct_equiv_block_eq
523         instead of flow_find_cross_jump.
524         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
525         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
526         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
527         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
528         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
529         (insns_match_p): Update prototype.
530         (flow_find_cross_jump): Remove prototype.
531         (struct_equiv_block_eq, struct_equiv_init): Declare.
532         (rtx_equiv_p, condjump_equiv_p): Likewise.
533         * struct-equiv.c: Include reload.h.
534         (IMPOSSIBLE_MOVE_FACTOR): Define.
535         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
536         (struct_equiv_improve_checkpoint): Likewise.
537         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
538         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
539         (struct_equiv_merge, find_dying_input): Likewise.
540         (resolve_input_conflict, note_local_live): Likewise.
541         (death_notes_match_p): Change parameters and processing
542         to match rtx_equiv_p machinery.  Change caller.
543         (insns_match_p): Likewise.
544         (flow_find_cross_jump): Replace with:
545         (struct_equiv_block_eq).
546
547         Back out this change:
548         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
549           * recog.c (verify_changes): Make it static.
550           * recog.h: Remove the corresponding prototype.
551
552 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
553
554         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
555         values.
556
557 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
558
559         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
560         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
561         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
562         TARGET_MS1_64_001 appropriately.
563         (ms1_machine_reorg): Use TARGET_MS2.
564
565 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
566
567         PR debug/25023
568         PR target/25293
569         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
570         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
571         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
572         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
573         Set mode to SI, adjust constraints.
574         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
575         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
576         32-bit code.
577
578 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
579
580         * c-cppbuiltin.c (builtin_define_float_constants): Add
581         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
582         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
583         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
584         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
585         to "((double)%sL)" otherwise "%s".
586
587 2005-12-13  Paul Brook  <paul@codesourcery.com>
588
589         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
590         apcs/atpcs.
591
592 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
593
594         * tree-flow.h: Allow compilation with a C++ compiler.
595         (struct edge_prediction): Prefix all field names  with "ep_".
596         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
597         (tree_predict_edge, combine_predictions_for_bb): Likewise.
598         (remove_predictions_associated_with_edge): Likewise.
599         
600 2005-12-12  Jeff Law  <law@redhat.com>
601
602         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
603         reassociation code.
604         * passes.c (init_optimization_passes): Run reassociation again
605         after loop optimizations.
606
607 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
608
609         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
610         if necessary.
611         (optimize_stmt): Ditto.
612         (canonicalize_comparison): New function.
613         * tree-ssa-operands.c (swap_tree_operands): Make external.
614         (get_expr_operands): Stop auto-canonicalization.
615         * tree-ssa-reassoc.c: Rewrite.
616         (init_optimization_passes): 
617         * tree-flow.h (swap_tree_operands): Prototype.
618         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
619
620 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
621
622         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
623         indicate function epilogue has been output.
624         (pa_asm_output_mi_thunk): Likewise.
625         (output_deferred_plabels): Put plabels in readonly data section when
626         not generating PIC code.
627         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
628         information.  Add assert.
629         (som_output_comdat_data_section_asm_op): New function.
630         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
631         instead of output_section_asm_op for COMDAT sections.
632
633 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
634
635         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
636         Fix whitespace in vincinity of to-be-installed changes.
637         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
638         (insns_match_p): Likewise.
639
640 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
641
642         * config.gcc (ms1): Replace with ...
643         (mt): ... this.
644         * config/ms1: Rename to ...
645         * config/mt: ... here.  Rename ms1 files to mt.
646         * config/mt/mt.c: Adjust gt-mt.h #include.
647         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
648         (crti.o, crtn.o): Adjust file names.
649
650 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
651
652         * varray.h: Allow compilation with a C++ compiler.
653         (union varray_data_tag): Prefix all field names with "vdt_".
654         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
655         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
656         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
657         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
658         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
659         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
660         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
661         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
662         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
663         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
664         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
665         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
666         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
667         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
668         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
669         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
670         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
671         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
672         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
673         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
674         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
675         VARRAY_TOP_TREE_PTR): Likewise.
676         * varray.c (varray_grow): Likewise.
677         (varray_clear): Likewise.
678
679 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
680
681         PR target/25299
682         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
683         alignment to doubleword if the first field is a double array.
684         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
685
686 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
687
688         * tree-ssa-structalias.c (process_constraint): Remove code to
689         transform addressofs into scalar.
690         (create_variable_info_for): In whole-program IPA, globals don't
691         point to ANYTHING by default.
692
693 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
694
695         * timevar.def (TV_IPA_PTA): New.
696         * tree-pass.h (pass_ipa_pta): New
697         * tree-ssa-structalias.c: Include cgraph.h
698         (in_ipa_mode): New.
699         (predbitmap_obstack): New.
700         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
701         (struct constraint_stats): Add num_edges.
702         (new_var_info): Don't call bitmap_clear.
703         (struct constraint_edge): Update docs.
704         (new_constraint_edge): Remove src param.
705         (struct constraint_graph): Add zero_weight_succs,
706         zero_weight_preds.  Update docs.
707         (constraint_expr_equal): Reformat.
708         (constraint_edge_equal): Update for removal of src.
709         (constraint_edge_less): Ditto.
710         (constraint_edge_vec_find): Ditto.
711         (erase_graph_self_edge): Update for removal of src and and zero
712         weight bitmap.
713         (clear_edges_for_node): Ditto.
714         (add_graph_edge): Ditto.
715         (get_graph_weights): Ditto.
716         (allocate_graph_weights): Ditto.
717         (merge_graph_nodes): Ditto.
718         (int_add_graph_edge): Ditto.
719         (valid_graph_edge): Ditto.
720         (valid_weighted_graph_edge): Ditto.
721         (build_constraint_graph): Ditto.
722         (scc_visit): Ditto.
723         (collapse_nodes): Ditto.
724         (process_unification_queue): Ditto.
725         (topo_visit): Ditto.
726         (solve_graph): Ditto.
727         (do_structure_copy): Ditto.
728         (perform_var_substitution): Ditto.
729         Init and release obstack.
730         (handle_ptr_arith): Try to resolve directly.
731         (find_func_aliases): Don't call update_alias_info here
732         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
733         (do_sd_constraint): Add code for propagating faster.
734         Update.
735         (do_ds_constraint): Ditto.
736         (count_num_arguments): New function.
737         (create_function_info_for): Ditto.
738         (create_variable_info_for): Handle FUNCTION_DECL.
739         (intra_create_variable_infos): Use make_constraint_to_anything.
740         (init_alias_vars): Init obstacks here.
741         (need_to_solve): Handle zero weight graph changes.
742         (compute_points_to_sets): Call update_alias_info here.
743         (delete_points_to_sets): Free zero weight preds/succs here.
744         (gate_ipa_pta): New.
745         (ipa_pta_execute): New
746
747 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
748
749         * tree-ssa-structalias.c (var_anyoffset): Removed.
750         (anyoffset_tree): Ditto.
751         (anyoffset_id): Ditto.
752         (do_deref): Take vector of constraints, no return value.
753         Update to work on vector.                
754         (get_constraint_for): Ditto.
755         (get_constraint_for_component_ref): Ditto.
756         (do_structure_copy): Ditto.
757         (handle_ptr_arith): Ditto.
758         (find_func_aliases): Ditto.
759         (set_uids_in_ptset): Remove anyoffset handling.
760         (init_base_vars): Ditto.
761
762 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
763
764         PR c++/25010
765         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
766         DECL_EXTERNAL functions have no bodies.  Tidy.
767
768 2005-12-10  Andreas Schwab  <schwab@suse.de>
769
770         * except.c (switch_to_exception_section): Only define if
771         TARGET_UNWIND_INFO is not defined.
772
773 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
774
775         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
776         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
777
778 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
779
780         * output.h (init_section, fini_section): Delete.
781         * varasm.c (init_section, fini_section): Delete.
782         (init_varasm_once): Don't initialize them.
783         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
784         there are no corresponding varasm.c variables.
785
786 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
787
788         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
789         of EH_FRAME_SECTION_NAME into...
790         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
791         if it is still null.
792         * except.c (default_exception_section): Delete, moving most
793         of the code to...
794         (switch_to_exception_section): ...this new function.  Set
795         exception_section if it is still null, then switch to it.
796         (output_function_exception_table): Use switch_to_exception_section.
797         * varasm.c (exception_section, eh_frame_section): Update comments.
798         (get_section): Hoist use of SECTION_NAMED.
799         (init_varasm_once): Don't set exception_section and eh_frame_section.
800         * output.h (default_exception_section): Delete.
801         (default_eh_frame_section): Delete.
802
803 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
804
805         * config/bfin/bfin.c: Include "cgraph.h".
806         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
807         Return the reg that holds the pointer to the GOT.
808         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
809         doing stack checking.
810
811 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
812
813         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
814         recompute_tree_invarant_for_addr_expr.
815         Update uses everywhere.
816
817 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
818
819         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
820         (MULTILIB_DIRNAMES): Define.
821
822 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
823
824         PR target/25311
825         * config/s390/s390.c (struct s390_address): New field literal_pool.
826         (s390_decompose_address): Compute literal_pool field.  Do not 
827         assume register %r13 is always (and solely) used as pool base.
828         (s390_extra_constraint_str): Use literal_pool field.
829
830 2005-12-09  Thiemo Seufer  <ths@networkno.de>
831
832         * config/mips/mips.c (override_options): Don't allow too small
833         integers in FP registers.
834
835 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
836
837         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
838         targetm.binds_local_p to check for local function calls.
839
840 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
841
842         PR debug/24908
843         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
844         call_used_regs can't be used to save reg in another reg.
845
846 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
847             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
848
849         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
850         abort.
851         * except.c (output_ttype): Likewise.
852         * tree-object-size.c (collect_object_sizes_for): Likewise.
853         (check_for_plus_in_loops_1): Likewise.
854         (check_for_plus_in_loops): Likewise.
855         (compute_object_sizes): Use gcc_unreachable instead of abort.
856
857 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
858
859         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
860         (loop_end, loop_init, doloop_end): New insns.
861         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
862         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
863         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
864         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
865         * config/ms1/ms1.c: #include basic-block.h
866         (struct machine_function): Add has_loops field.
867         (ms1_add_loop): New.
868         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
869         (struct loop_info, struct loop_work): New.
870         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
871         (ms1_reorg_loops): New loop optimization.
872         (ms1_machine_reorg): Call it.
873         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
874
875 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
876
877         PR tree-optimization/25248
878         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
879         evolution_of_loop from the failed attempt.  Remove handling
880         of MULT_EXPR.
881
882 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
883
884         * tree.h (DECL_EXTERNAL): Clarify documentation.
885
886 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
887             Jakub Jelinek  <jakub@redhat.com>
888
889         PR target/25268
890         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
891         argument.  Don't drop outer ANDs.
892         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
893         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
894         prototype.
895         * config/s390/predicates.md (setmem_operand): Remove.
896         (shift_count_operand): Rename to...
897         (shift_count_or_setmem_operand): ... this.  Adjust
898         s390_decompose_shift_count caller.
899         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
900         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
901         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
902         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
903         rotl<mode>3_and, setmem_long_and): New insns.
904         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
905         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
906         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
907         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
908         of shift_count_operand.
909         (setmem_long): Use shift_count_or_setmem_operand instead of
910         setmem_operand.
911
912 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
913             Andreas Tobler  <a.tobler@schweiz.ch>
914
915         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
916         tr expression.
917
918 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
919
920         * expr.c (force_operand): Use convert_to_mode for conversions.
921
922 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
923
924         * reload.h (reg_equiv_invariant): Declare.
925         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
926         register also when reg_equiv_invariant[R] is set.
927
928 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
929             Andreas Tobler  <a.tobler@schweiz.ch>
930
931         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
932
933 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
934
935         * tree-ssa-pre.c (bitmap_set_and): New function.
936         (bitmap_set_and_compl): New function.
937         (bitmap_set_empty_p): New function.
938         (insert_extra_phis): New function.
939         (compute_avail): Use insert_extra_phis.
940
941 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
942
943         * config/s390/s390.c (s390_expand_atomic): New function.
944         Adjust comment of helper functions.
945         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
946         * config/s390/s390.md ("ATOMIC"): New code macro.
947         ("atomic"): Corresponding new code attribute.
948         ("sync_lock_test_and_set[hq]i", 
949         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
950
951 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
952
953         * config/s390/s390.c (s390_expand_mask_and_shift, 
954         struct alignment_context, init_alignment_context, 
955         s390_expand_cs_hqi): New.
956         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
957         * config/s390/s390.md ("sync_compare_and_swaphi",
958         "sync_compare_and_swapqi"): New pattern.
959
960 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
961
962         Fix PR tree-optimization/25291
963         * tree-ssa-operands.c (add_call_clobber_ops): Remove
964         redundant and crashing check.
965
966 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
967
968         PR target/25212
969         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
970         tests further when !strict && reload_in_progress.
971         (print_operand): Check that both operands of indexed address are regs.
972         (print_operand_address): Likewise.
973         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
974         (INT_REG_OK_FOR_BASE_P): Correct.
975
976 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
977
978         Preparation for PR rtl-optimization/20070 / part1
979         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
980         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
981         outgoing_edges_match.
982         (outgoing_edges_match): Use condjump_equiv_p.
983         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
984         into..
985         * struct-equiv.c: New file.
986         (death_notes_match_p) New function, broken out of insns_match_p.
987         * Makefile.in (OBJS-common): Add struct-equiv.o.
988         (struct-equiv.o): New target.
989
990 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
991
992         * coretypes.h: Revert previous change.
993         * config/darwin.h: Revert previous reversion.
994         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
995
996 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
997
998         * coretypes.h (section): Provide dummy definition for target files.
999         * config/darwin.h: Revert previous change.
1000
1001 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1002
1003         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1004         * configure.ac: Remove all.build and install-normal from target_list
1005         * configure: Regenerate.
1006         * Makefile.in (install): Don't depend on install-normal.
1007
1008 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1009
1010         * Makefile.in: Document the use of stamps.
1011
1012 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1013
1014         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1015         * Makefile.in: Add code to compute some dependencies on s-gtype
1016         automatically.  Remove the declaration of those dependencies.
1017
1018 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1019
1020         * gcc/reload.c (push_secondary_reload): Fix typo:
1021         s/insn_constraint/scratch_constraint/.
1022
1023 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1024
1025         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1026
1027 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1028
1029         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1030         (alpha_elf_select_rtx_section): Return the selected section rather
1031         than emitting assembly code.
1032         (alpha_write_linkage): Emit a ".link" directive directly and then
1033         set in_section to NULL.
1034         (vms_asm_out_constructor): Use switch_to_section.
1035         (vms_asm_out_destructor): Likewise.
1036         (unicosmk_output_common): Set in_section to NULL instead of calling
1037         the dummy common_section function.
1038         (unicosmk_text_section): Delete in favor of...
1039         (unicosmk_output_text_section_asm_op): ...this new function.
1040         (unicosmk_data_section): Delete in favor of...
1041         (unicosmk_output_data_section_asm_op): ...this new function.
1042         (unicosmk_init_sections): New function.
1043         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1044         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1045         the dummy ssib_section function.
1046         (unicosmk_section_buf): Delete.
1047         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1048         (unicosmk_data_section): Delete.
1049         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1050         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1051         (SECTION_FUNCTION_TEMPLATE): Delete.
1052         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1053         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1054         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1055         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1056         (TARGET_ASM_INIT_SECTIONS): Define.
1057         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1058         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1059         (link_section, literals_section): Delete.
1060         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1061         set in_section to NULL.
1062
1063         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1064         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1065         (COMMON_SECTION): Delete.
1066         (TARGET_ASM_INIT_SECTIONS): Define.
1067         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1068         the dummy common_section function.
1069         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1070         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1071         between readonly_data_section and text_section to check whether
1072         read-only data is being put in the text section.
1073         (arm_output_function_epilogue): Use switch_to_section.
1074         (arm_elf_asm_constructor): Likewise.
1075         (thumb_call_via_reg): Replace call to in_text_section with
1076         a comparison between in_section and text_section.
1077         (arm_file_end): Use switch_to_section.
1078         (aof_text_section): Delete in favor of...
1079         (aof_output_text_section_asm_op): ...this new function.
1080         (aof_data_section): Delete in favor of...
1081         (aof_output_data_section_asm_op): ...this new function.
1082         (aof_asm_init_sections): New function.
1083         (zero_init_section): Moved from config/arm/aof.h.
1084         (aof_dump_imports, aof_file_start): Use switch_to_section.
1085         * config/arm/arm.h (thumb_call_via_label): Update comment.
1086         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1087         (common_section): Delete.
1088         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1089         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1090         global switch_to_section function instead of the old port-local one.
1091         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1092         (SWITCH_TO_SECTION_FUNCTION): Delete.
1093         (drectve_section): Redefine as a macro.
1094         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1095         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1096         switch_to_section.
1097
1098         * config/avr/avr.c (progmem_section): New variable.
1099         (avr_output_progmem_section_asm_op): New function.
1100         (avr_asm_init_sections): New function.
1101         (avr_output_addr_vec_elt): Use switch_to_section.
1102         * config/avr/avr.h (progmem_section): Declare.
1103         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1104         (READONLY_DATA_SECTION): Delete.
1105         (TARGET_ASM_INIT_SECTIONS): Define.
1106         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1107         * config/avr/avr-protos.h (progmem_section): Delete.
1108
1109         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1110
1111         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1112         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1113
1114         * config/darwin-sections.def: New file.
1115         * config/darwin.c: Define all sections in darwin-sections.def.
1116         (output_objc_section_asm_op, darwin_init_sections): New functions.
1117         (machopic_output_indirection): Use switch_to_section.
1118         (machopic_select_section): Return the selected section rather than
1119         emitting assembly code.  Replace the static function table with
1120         inline conditional expressions.  Update the tests of last_text_section
1121         and move them into the FUNCTION_DECL block.
1122         (machopic_select_rtx_section): Return the selected section rather than
1123         emitting assembly code.
1124         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1125         (darwin_file_end): Use switch_to_section.
1126         * config/darwin.h: Use darwin-sections.def to declare sections.
1127         (INIT_SECTION_ASM_OP): Remove empty definition.
1128         (HAS_INIT_SECTION): Define this instead.
1129         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1130         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1131         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1132         (TARGET_ASM_INIT_SECTIONS): Define.
1133         * config/darwin-protos.h (darwin_init_sections): Declare.
1134         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1135         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1136         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1137         (constructor_section, destructor_section, mod_init_section): Delete.
1138         (mod_term_section): Delete.
1139         (darwin_exception_section, darwin_eh_frame_section): Delete.
1140         (machopic_select_section): Return a section.
1141         (machopic_select_rtx_section): Likewise.
1142         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1143         (const_section, const_coal_section, const_data_section): Delete.
1144         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1145         (literal4_section, literal8_section, constructor_section): Delete.
1146         (mod_init_section, mod_term_section, destructor_section): Delete.
1147         (objc_class_section, objc_meta_class_section, objc_category_section)
1148         (objc_class_vars_section, objc_instance_vars_section): Delete.
1149         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1150         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1151         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1152         (objc_symbols_section, objc_module_info_section): Delete.
1153         (objc_image_info_section, objc_protocol_section): Delete.
1154         (objc_string_object_section, objc_constant_string_object_section)
1155         (objc_class_names_section, objc_meth_var_names_section): Delete.
1156         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1157         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1158         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1159         (darwin_exception_section, darwin_eh_frame_section): Delete.
1160         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1161
1162         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1163         (frv_asm_out_destructor): Likewise.
1164         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1165         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1166         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1167         get_named_section.
1168         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1169         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1170         (data_section): Delete.
1171
1172         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1173         (DRECTVE_SECTION_FUNCTION): Delete.
1174         (drectve_section): Redefine as a macro that sets in_section after
1175         emitting the directive.
1176         (SWITCH_TO_SECTION_FUNCTION): Delete.
1177         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1178         in_text_section with comparison between in_section and text_section.
1179         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1180         rather than emitting assembly code.  Use get_named_section.
1181         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1182         get_named_section.
1183         (machopic_output_stub): Use switch_to_section.
1184         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1185         (nwld_named_section_asm_out_destructor): Use get_section and
1186         switch_to_section.
1187
1188         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1189         rather than emitting assembly code.
1190         (ia64_rwreloc_select_section): Likewise.
1191         (ia64_rwreloc_select_rtx_section): Likewise.
1192         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1193         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1194         switch_to_section.
1195         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1196         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1197
1198         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1199         section rather than emitting assembly code.
1200         (iq2000_select_section): Likewise.
1201         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1202         (sbss_section): Delete.
1203
1204         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1205         and get_named_section.
1206         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1207
1208         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1209         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1210         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1211         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1212         in_section to NULL.
1213         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1214         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1215         global switch_to_section function instead of the old port-local one.
1216         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1217         (SWITCH_SECTION_FUNCTION): Delete.
1218         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1219         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1220         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1221         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1222         in_section to NULL.
1223         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1224         global switch_to_section function instead of the old port-local one.
1225         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1226
1227         * config/mips/mips.c (mips_file_start): Update comment.
1228         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1229         (mips_output_aligned_decl_common): Use switch_to_section.
1230         (mips_select_rtx_section): Return the section rather than emitting
1231         assembly code.  Use get_named_section.
1232         (mips_function_rodata_section: Likewise get_section.
1233         (build_mips16_function_stub): Use switch_to_section.
1234         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1235         (SDATA_SECTION_ASM_OP): Delete.
1236         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1237         (EXTRA_SECTION_FUNCTIONS): Delete.
1238
1239         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1240         (mmix_asm_output_aligned_local): Use switch_to_section.
1241
1242         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1243         (som_one_only_readonly_data_section): New variables.
1244         (pa_output_function_epilogue): Set in_section to NULL instead of
1245         calling forget_section.
1246         (output_deferred_plabels): Use select_section.
1247         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1248         of calling forget_section.
1249         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1250         (pa_asm_output_aligned_local): Use select_section.
1251         (som_text_section_asm_op): Delete in favor of...
1252         (som_output_text_section_asm_op): ...this new function.
1253         (pa_som_asm_init_sections): New function.
1254         (pa_select_section): Return the section rather than emitting
1255         assembly code.
1256         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1257         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1258         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1259         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1260         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1261         (som_readonly_data_section, som_one_only_readonly_data_section)
1262         (som_one_only_data_section, forget_section): Delete.
1263         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1264         (TARGET_ASM_INIT_SECTIONS): Define.
1265         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1266
1267         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1268         (private_data_section, read_only_private_data_section): New variables.
1269         (sdata2_section, toc_section): New variables.
1270         (rs6000_file_start): Use switch_to_section.
1271         (rs6000_assemble_integer): Use comparisons against in_section
1272         instead of calling in_toc_section and in_text_section.  Use
1273         unlikely_text_section_p.
1274         (rs6000_elf_output_toc_section_asm_op): New function, derived
1275         from the old rs6000/sysv4.h toc_section function.
1276         (rs6000_elf_asm_init_sections): New function.
1277         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1278         the section rather than emitting assembly code.
1279         (machopic_output_stub): Use switch_to_section.
1280         (toc_section): Delete dummy function.
1281         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1282         switch_to_section and get_section.
1283         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1284         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1285         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1286         the old rs6000/xcoff.h toc_section function.
1287         (rs6000_xcoff_asm_init_sections): New function.
1288         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1289         the section rather than emitting assembly code.
1290         (rs6000_xcoff_file_start): Use switch_to_section.
1291         (rs6000_xcoff_file_end): Likewise.
1292         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1293         (sdata2_section, sbss_section, private_data_section): Delete.
1294         (read_only_data_section, read_only_private_data_section): Delete.
1295         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1296         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1297         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1298         (FINI_SECTION_FUNCTION): Delete.
1299         (TARGET_ASM_INIT_SECTIONS): Define.
1300         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1301         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1302         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1303         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1304         (READONLY_DATA_SECTION): Delete.
1305         (TARGET_ASM_INIT_SECTIONS): Define.
1306         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1307         to NULL rather than no_section.
1308         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1309
1310         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1311
1312         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1313         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1314         from call to current_function_section.
1315
1316         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1317         (bss100_section): New variable.
1318         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1319         (xstormy16_asm_init_sections): New function.
1320         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1321         switch_to_section and get_section.
1322         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1323         from calls to current_function_section.
1324         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1325         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1326         (TARGET_ASM_INIT_SECTIONS): Define.
1327         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1328
1329         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1330         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1331         (FINI_SECTION_FUNCTION): Delete.
1332
1333         * config/v850/v850.c: Include gt-v850.h.
1334         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1335         (zbss_section): New variables.
1336         (v850_output_aligned_bss): Use switch_to_section.
1337         (v850_asm_init_sections): New function.
1338         (v850_select_section): Return the section rather than emitting
1339         assembly code.
1340         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1341         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1342         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1343         (TARGET_ASM_INIT_SECTIONS): Define.
1344         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1345         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1346         (zbss_section): Delete.
1347
1348         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1349
1350         * config/vx-common.h (vxworks_exception_section): Delete.
1351         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1352
1353         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1354         section rather than emitting assembly code.
1355         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1356         switch_to_section.
1357
1358         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1359         * coretypes.h (section): New union and typedef.
1360         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1361         from call to current_function_section.
1362         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1363         (dbxout_symbol_location): Use switch_to_section.
1364         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1365         most of the code into...
1366         (default_eh_frame_section): ...here.  Return a section.
1367         (collect2_eh_frame_section): Delete, moving most of the code into..
1368         (switch_to_eh_frame_section): ...this new function.
1369         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1370         (debug_macinfo_section, debug_line_section, debug_loc_section)
1371         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1372         variables.
1373         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1374         eh_frame_section.  Use switch_to_section and get_section.
1375         (dwarf2out_begin_prologue): Use switch_to_section.
1376         (AT_string_form): Check the flags in debug_str_section instead of
1377         DEBUG_STR_SECTION_FLAGS.
1378         (output_comp_unit): Use switch_to_section, get_section, and
1379         debug_info_section.
1380         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1381         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1382         from call to current_function_section.
1383         (dwarf2out_var_location): Use unlikely_text_section_p.
1384         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1385         from call to current_function_section.
1386         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1387         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1388         debug_macinfo_section.
1389         (dwarf2out_init): Initialize the new section variables.  Use them
1390         instead of calls to named_section_flags.  Use switch_to_section.
1391         (output_indirect_string): Use switch_to_section and debug_str_section.
1392         (dwarf2out_finish): Use switch_to_section and the new section
1393         variables.
1394         * except.c (default_exception_section): Return the section instead
1395         of emitting assembly code.
1396         (output_function_exception_table): Use the global exception_section
1397         variable instead of the target hook.  Use switch_to_section.  Remove
1398         argument from call to current_function_section.
1399         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1400         (shorten_branches): Use pointer comparisons to detect whether the
1401         text section is the same as readonly_data_section.
1402         (profile_function): Use switch_to_section.  Remove argument from
1403         call to current_function_section.
1404         (final_scan_insn): Likewise.  Update use of last_text_section.
1405         * gengtype.c (open_base_files): Add an include of output.h.
1406         * output.h (text_section, data_section, readonly_data_section)
1407         (ctors_section, dtors_section, bss_section, init_section)
1408         (fini_section, sdata_section): Turn into section pointers.
1409         (in_text_section, in_unlikely_text_section, exports_section)
1410         (drectve_section, named_section, mergeable_string_section)
1411         (last_text_section_name): Delete.
1412         (default_exception_section, default_eh_frame_section): Return sections.
1413         (SECTION_DECLARED, SECTION_NAMED): New macros.
1414         (SECTION_MACH_DEP): Bump value.
1415         (section_common, named_section, unnamed_section): New structures.
1416         (unnamed_section_callback): New typedef.
1417         (section): New union.
1418         (sbss_section, exception_section, eh_frame_section): New variables.
1419         (in_section, last_text_section): Turn into section pointers.
1420         (get_unnamed_section, get_section, get_named_section): New functions.
1421         (mergeable_constant_section, function_section): Return a section.
1422         (unlikely_text_section): Likewise.
1423         (current_function_section): Likewise.  Remove the decl argument.
1424         (unlikely_text_section_p, switch_to_section): New functions.
1425         (output_section_asm_op): New function.
1426         (set_named_section_flags, named_section_flags, named_section_real)
1427         (named_section_first_declaration): Delete.
1428         (default_select_section, default_elf_select_section): Return a section.
1429         (default_elf_select_section_1, default_function_rodata_section)
1430         (default_no_function_rodata_section, default_select_rtx_section)
1431         (default_elf_select_rtx_section): Likewise.
1432         * rtl.h (in_data_section): Delete.
1433         * sdbout.c (sdbout_one_type): Use switch_to_section.
1434         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1435         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1436         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1437         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1438         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1439         (TARGET_ASM_OUT): Update after above changes.
1440         * target.h (init_sections): New hook.
1441         (exception_section, eh_frame_section): Delete.
1442         (select_section, select_rtx_section, function_rodata_section): Return
1443         a section rather than emitting assembly code.
1444         * varasm.c (text_section, data_section, readonly_data_section)
1445         (ctors_section, dtors_section, bss_section, init_section)
1446         (fini_section): Turn into section pointers.
1447         (sdata_section, sbss_section, exception_section): New variables.
1448         (eh_frame_section): New variable.
1449         (in_section): Make global and turn into a section pointer.
1450         (last_text_section): Turn into a section pointer.
1451         (unnamed_sections): New variable.
1452         (in_named_name, last_text_section_name): Delete.
1453         (EXTRA_SECTION_FUNCTIONS): Delete.
1454         (in_named_entry): Delete.
1455         (section_htab): New variable, replacing...
1456         (in_named_htab): ...this deleted variable.
1457         (section_entry_eq, section_entry_hash): New functions, based on...
1458         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1459         (get_unnamed_section, get_section): New functions.
1460         (unlikely_text_section): Return a section instead of emitting
1461         assembly code.
1462         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1463         (get_named_section_flags, named_section_first_declaration): Delete.
1464         (unlikely_text_section_p): New function.
1465         (named_section_real, named_section): Delete.
1466         (get_named_section): New function.
1467         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1468         (function_section): Return a section rather than emitting
1469         assembly code.
1470         (current_function_section): Likewise.  Remove argument.  Use
1471         last_text_section if nonnull, otherwise use function_section.
1472         (default_function_rodata_section): Return a section rather than
1473         emitting assembly code.  Use get_section.
1474         (default_no_function_rodata_section): Return a section rather than
1475         emitting assembly code.
1476         (variable_section): Use switch_to_section and get_named_section.
1477         (mergeable_string_section): Return a section rather than emitting
1478         assembly code.  Use get_section.  Make static.  Don't take special
1479         countermeasures for empty strings.
1480         (mergeable_constant_section): Return a section rather than emitting
1481         assembly code.  Use get_section.
1482         (default_named_section_asm_out_destructor): Use switch_to_section
1483         and get_section.
1484         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1485         (default_named_section_asm_out_constructor): Use switch_to_section
1486         and get_section.
1487         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1488         (assemble_start_function): Likewise.  Set last_text_section to
1489         NULL rather than no_section.  Change the type of save_section.
1490         (assemble_zeros, assemble_variable): Use the section flags to detect
1491         whether or not a section is text.
1492         (assemble_static_space): Use switch_to_section.
1493         (assemble_trampoline_template): Likewise.
1494         (output_constant_def_contents): Use switch_to_section and
1495         get_named_section.
1496         (output_constant_pool_1): Use switch_to_section.  Use the section
1497         flags to see whether sections contain mergeable data.
1498         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1499         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1500         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1501         whether a section has already been declared.
1502         (default_select_section, default_elf_select_section): Return a
1503         section rather than emitting assembly code.
1504         (default_elf_select_section_1): Likewise.  Use bss_section for
1505         SECCAT_BSS if nonnull.  Use get_named_section.
1506         (default_select_rtx_section): Return a section rather than
1507         emitting assembly code.
1508         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1509         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1510         (output_section_asm_op, switch_to_section): New functions.
1511         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1512         get_named_section.
1513
1514         * doc/tm.texi: Expand the introduction to the sections documentation.
1515         (TRAMPOLINE_SECTION): Document new interface.
1516         (SDATA_SECTION_ASM_OP): Document new macro.
1517         (READONLY_DATA_SECTION): Delete.
1518         (SDATA_SECTION_ASM_OP): Document new macro.
1519         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1520         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1521         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1522         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1523         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1524
1525 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1526
1527         * gcc.c (init_gcc_specs): Match braces inside conditionally
1528         compiled strings.
1529
1530 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1531
1532         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1533
1534 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1535
1536         PR C++/24138
1537         * tree.c (integer_all_onesp): Always return true if all bits on.
1538
1539         * testsuite/g++.dg/init/array0.C: New.
1540
1541 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1542
1543         * doc/md.texi: Adapt to implementation.
1544
1545 2005-12-06  Andreas Schwab  <schwab@suse.de>
1546
1547         * opts.c (decode_options): Fix typo in message.
1548
1549 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1550
1551         PR other/13873
1552         * longlong.h: Merge PPC tests from upstream.
1553
1554 2005-12-06  Richard Guenther  <rguenther@suse.de>
1555
1556         * fold-const.c (fold_convert): Do not build and fold
1557         CONVERT_EXPR, but always use NOP_EXPR.
1558
1559 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1560
1561         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1562         __builtin_ia32_paddq and __builtin_ia32_subq.
1563         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1564         __builtin_ia32_pshufw.
1565         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1566
1567 2005-12-05  James E Wilson  <wilson@specifix.com>
1568
1569         PR target/24934
1570         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1571         is set.
1572
1573 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1574         
1575         * print-tree.c (print_node): Ditto.
1576         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1577         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1578         before accessing DECL_ARTIFICIAL. 
1579         Handle new tag tree codes.
1580         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1581         changes.
1582         (unmodifiable_var_p): Ditto.
1583         * tree-flow.h (mem_tag_kind): Remove.
1584         (struct var_ann_d): Remove mem_tag_kind member.
1585         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1586         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1587         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1588         (group_aliases): Ditto.
1589         (setup_pointers_and_addressables): Ditto.
1590         (is_escape_site): Ditto.                                          
1591         (may_alias_p): Ditto.
1592         (create_tag_raw): New function.
1593         (create_memory_tag): Use it.
1594         (dump_alias_info): Update for tags.
1595         (may_be_aliased): Ditto.
1596         (add_type_alias): Ditto.
1597         (new_type_alias): Ditto.
1598         (create_sft): Ditto.
1599         (create_structure_vars): Ditto.
1600         * tree-ssa-ccp.c (get_default_value): Ditto.
1601         * tree-ssa-operands.c (get_expr_operands): Ditto.
1602         (add_stmt_operand): Ditto.
1603         (add_call_clobber_ops): Remove duplicated condition.
1604         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1605         tags.
1606         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1607         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1608         * tree.c (init_ttree): Update structures for new tree codes.
1609         (tree_code_size): Update sizes for new tree codes.
1610         (make_node_stat): Don't try to set common things on minimal
1611         structures.
1612         (tree_node_structure): Update for tags.
1613         (is_global_var): Ditto.
1614         * tree.def: Add new tree codes.
1615         * tree.h (MTAG_P): New macro.
1616         (TREE_MEMORY_TAG_CHECK): Ditto.
1617         (SSA_VAR_P): Update for tags.
1618         (struct tree_memory_tag): New structure.
1619         (MTAG_GLOBAL): New macro.
1620         (union tree_node): Add memory tag member.
1621         * treestruct.def (TS_MEMORY_TAG): New.
1622         
1623 2005-12-05  Dale Johannesen  <dalej@apple.com>
1624
1625         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1626         what was approved (PR 24323).
1627
1628 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1629
1630         * doc/c-tree.texi (Function Bodies): Remove description of
1631         RETURN_INIT.
1632
1633 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1634
1635         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1636         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1637         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1638         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1639         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1640         __divxc3): Document.
1641
1642 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1643
1644         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1645         previous behaviour.
1646         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1647         hook_bool_void_false.
1648         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1649         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1650
1651         * config/darwin.c (machopic_select_section): It's not defined
1652         as weak if it's only marked as weak_import.
1653         
1654         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1655         Prototype.
1656
1657         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1658         A hidden weak object does bind locally.  Strong linkonce data
1659         counts like any other strong symbol for binding.
1660         (weak_finish_1): Don't specially handle weakrefs, they no longer
1661         arrive here.
1662         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1663         * c-common.c (handle_alias_attribute): Allow static aliases
1664         of variables.
1665         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1666         * gthr-dce.h: Make weakrefs static.
1667         * gthr-tpf.h: Likewise.
1668         * gthr-solaris.h: Likewise.
1669         * gthr-posix.h: Likewise.
1670         * gthr-posix95.h: Likewise.
1671         * config/darwin.c (darwin_encode_section_info): static weakref
1672         variables are not necessarily defined in this translation unit.
1673         * doc/extend.texi (Function Attributes): Mention that an alias
1674         attribute creates a definition for the thing it's attached to.
1675         Change the documentation for weakref to say that the thing
1676         it's attached to must be static.
1677
1678         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1679         we don't go into an infinite loop.
1680
1681 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1682
1683         * config/rs6000/predicates.md (logical_const_operand): Split
1684         out of logical_operand.
1685         (logical_operand): Use it.
1686         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1687         logical_const_operand.
1688
1689 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1690
1691         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1692         and IX86_BUILTIN_CMPNESS.
1693         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1694         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1695         * config/i386/i386.md (movti_internal): Correct type attribute.
1696         Simplify mode attribute.
1697         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1698         Correct type attribute.
1699         (absxf2): Correct operator.
1700         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1701         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1702         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1703         mode attribute.
1704         (sse2_vmsqrtv2df2): Correct mode attribute.
1705
1706 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1707
1708         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1709         16 bits. Provide insn pattern for this case.
1710
1711 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1712
1713         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1714         result.
1715         (__popcountDI2): Likewise.
1716
1717 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1718
1719         PR target/25166
1720         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1721         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1722         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1723         functions.
1724
1725 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1726
1727         * c-typeck.c (null_pointer_constant_p): New function.
1728         (build_conditional_expr, build_c_cast, convert_for_assignment,
1729         build_binary_op): Use it.
1730
1731 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1732
1733         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1734         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1735         CONVERT_EXPR.
1736         (check_function_arguments_recurse): Allow both NOP_EXPR and
1737         CONVERT_EXPR but check conversions preserve precision.
1738         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1739         but check conversions preserve precision.
1740         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1741         default case.
1742
1743 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1744
1745         PR c/7776
1746         * common.opt (Wstring-literal-comparison): New command line option.
1747         * c-opts.c (c_common_handle_option): Set it with -Wall.
1748         * c-typeck.c (parser_build_binary_op): Issue warning if either
1749         operand of a comparison operator is a string literal, except for
1750         testing equality or inequality against NULL.
1751
1752         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1753
1754 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1755
1756         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1757         of building a NOP_EXPR.
1758         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1759         NOP_EXPR.
1760         * c-convert.c (convert): Use fold_convert instead of building
1761         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1762         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1763         #if 0 code.
1764         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1765         NOP_EXPR the same as CONVERT_EXPR.
1766         * c-typeck.c (build_function_call): Use fold_convert instead of
1767         building a NOP_EXPR directly.
1768         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1769
1770 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1771
1772         PR rtl-optimization/25197
1773         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1774         have a reg.
1775
1776 2005-12-02  Stuart Hastings  <stuart@apple.com>
1777
1778         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1779         warning.
1780
1781 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1782
1783         * c-typeck.c (default_function_array_conversion,
1784         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1785         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1786         orig_op2.  Don't check them for NOP_EXPR.
1787         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1788         around integer zero.
1789
1790 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1791
1792         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1793         toc_save_offset, toc_size, lr_size.
1794         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1795         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1796         Adjust for removal of unused rs6000_stack_t fields.
1797         (debug_stack_info): Adjust.
1798         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1799         first, and don't bother checking for set/inc of lr on sibcalls.
1800         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1801
1802 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR target/25199
1805         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1806         5 if operand 1 is not aligned.  Undo previous constraint change.
1807         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1808
1809 2005-12-02  Richard Guenther  <rguenther@suse.de>
1810
1811         * tree.h (build): Remove prototype.
1812         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1813         * tree.c (build): Remove.
1814         (build0_stat): Update comment.
1815
1816 2005-12-02  Richard Guenther  <rguenther@suse.de>
1817
1818         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1819         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1820         Likewise.
1821         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1822         maybe_fold_offset_to_component_ref): Likewise.
1823         * tree-ssa-dom.c (thread_across_edge,
1824         simplify_rhs_and_lookup_avail_expr,
1825         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1826         Likewise.
1827         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1828         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1829         lower_try_finally_switch): Likewise.
1830         * tree-if-conv.c (add_to_dst_predicate_list,
1831         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1832         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1833         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1834         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1835         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1836         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1837         gimplify_init_ctor_eval, gimplify_init_constructor,
1838         gimplify_variable_sized_compare, gimplify_boolean_expr,
1839         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1840         gimplify_expr, gimplify_body, gimplify_function_tree,
1841         force_gimple_operand): Likewise.
1842         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1843         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1844         mx_register_decls): Likewise.
1845         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1846         get_frame_field, finalize_nesting_tree_1): Likewise.
1847         * tree-inline.c (setup_one_parameter): Likewise.
1848         * tree-vect-transform.c (vectorizable_condition): Likewise.
1849         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1850         Likewise.
1851         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1852         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1853         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1854         * tree-chrec.h (build_polynomial_chrec): Likewise.
1855
1856 2005-12-02  Richard Guenther  <rguenther@suse.de>
1857
1858         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1859         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1860         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1861         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1862         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1863         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1864         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1865         Likewise.
1866         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1867         sh_adjust_unroll_max): Likewise.
1868         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1869         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1870         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1871         Likewise.
1872         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1873         Likewise.
1874         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1875         Likewise.
1876
1877 2005-12-02  Richard Guenther  <rguenther@suse.de>
1878
1879         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1880         simplify_cond_using_ranges): Use buildN instead of build.
1881         * tree-tailcall.c (adjust_accumulator_values,
1882         adjust_return_value): Likewise.
1883         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1884         generate_element_copy, generate_element_zero,
1885         generate_one_element_init): Likewise.
1886         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1887         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1888         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1889         perfect_nestify): Likewise.
1890
1891 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1892
1893         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1894
1895 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1896
1897         * ggc.h (GGC_RESIZEVEC): New.
1898
1899 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1900
1901         * gcc.c (execute): Improve readability.
1902
1903 2005-12-02  Richard Guenther  <rguenther@suse.de>
1904
1905         * tree-cfg.c (mark_used_vars): New function.
1906         (dump_function_to_file): Dump only used VAR_DECLs.
1907
1908 2005-12-02  Richard Guenther  <rguenther@suse.de>
1909
1910         * convert.c (convert_to_integer): Fix compare for nonpositive
1911         constant to use tree_int_cst_sgn <= 0.
1912
1913 2005-12-02  Richard Guenther  <rguenther@suse.de>
1914
1915         * convert.c (convert_to_integer): Use fold_convert instead
1916         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1917         instead of comparing against 0.  Use build_int_cst instead
1918         of converting integer_zero_node.
1919
1920 2005-12-02  Richard Guenther  <rguenther@suse.de>
1921
1922         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1923         and RROTATE_EXPR.
1924  
1925 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1926
1927         PR target/21017
1928         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1929         rotates.
1930
1931 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1932
1933         PR middle-end/25176
1934         * function.c (expand_function_end): Emit blockage for unwinder
1935         after return label.
1936
1937 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1938
1939         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1940         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1941         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1942         integer constant comparisons.
1943
1944 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1945             Janis Johnson  <janis187@us.ibm.com>
1946             David Edelsohn  <dje@watson.ibm.com>
1947             Ben Elliston  <bje@au.ibm.com>
1948
1949         * dfp.h, dfp.c: New files.
1950         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1951         (DECNUM_H): Likewise.
1952         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1953         (INCLUDES): Append $(DECNUMINC).
1954         (OBJS-common): Add dfp.o.
1955         (dfp.o): New rule.
1956         * real.h (EXP_BITS): Pinch one bit to ..
1957         (struct real_value): Add decimal field.
1958         (real_format): Change table size, update documentation.
1959         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1960         (real_from_string3): Declare.
1961         (decimal_single_format): Declare.
1962         (decimal_double_format): Declare.
1963         (decimal_quad_format): Declare.
1964         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1965         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1966         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1967         * real.c: Include dfp.h.
1968         (normalize): Early return for decimal floats.
1969         (do_add): Zero decimal field.
1970         (do_compare): Call do_decimal_compare for decimal floats.
1971         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1972         (real_arithmetic): Call decimal_real_arithmetic for decimal
1973         floating point operands.
1974         (real_identical): If a and b are of differing radix, return false.
1975         (real_to_integer): Call decimal_real_to_integer if the value is a
1976         decimal float.
1977         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1978         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1979         (real_to_hexadecimal): Place "N/A" in the return string for
1980         decimal float.
1981         (real_from_string3): New variant, given a mode.
1982         (real_maxval): Use decimal_real_maxval for decimal floats.
1983         (round_for_format): Use decimal_round_for_format for decimals.
1984         (real_convert): Use decimal_real_convert where appropriate.
1985         (significand_size): Handle base 10.
1986         (encode_decimal_single, decode_decimal_single,
1987         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1988         decode_decimal_quad): New functions.
1989         (decimal_single_format): New.
1990         (decimal_double_format): New.
1991         (decimal_quad_format): New.
1992         * machmode.def: Add SD, DD and TD decimal floating point modes.
1993         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1994         Include MODE_DECIMAL_FLOAT.
1995         (DECIMAL_FLOAT_MODE_P): New.
1996         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1997         * genmodes.c (struct mode_data): Add counter field.
1998         (struct mode_data): Update comment for format.
1999         (blank_mode): Initialise counter field.
2000         (new_mode): Increment counter field for each mode defined.
2001         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2002         using a format.
2003         (make_complex_modes): Handle modes containing `D'.
2004         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2005         (make_decimal_float_mode): New.
2006         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2007         (cmp_modes): Compare counter field if other characteristics
2008         similar.
2009         (emit_real_format_for_mode): Support formats for decimal floats.
2010         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2011         Document MODE_DECIMAL_FLOAT.
2012
2013 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2014
2015         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2016         Delete dead code.
2017
2018 2005-12-01  Richard Henderson  <rth@redhat.com>
2019
2020         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2021
2022 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2023
2024         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2025
2026         * config/pa/pa.c (pa_init_builtins): If we detect
2027         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2028         putc_unlocked.
2029
2030 2005-12-01  Richard Guenther  <rguenther@suse.de>
2031
2032         * fold-const.c (fold_binary): Use fold_build2, not
2033         fold (build (...)).
2034
2035 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2036
2037         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2038
2039         * vec.h (VEC_block_remove): New.
2040
2041 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2042
2043         PR c/13384
2044         * c-common.c (lvalue_error): Fix wording.
2045
2046 2005-12-01  Richard Guenther  <rguenther@suse.de>
2047
2048         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2049         thinko in last patch.
2050
2051 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2052
2053         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2054         than -flat_namespace.
2055
2056 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2057
2058         * mklibgcc.in: Parameterise the script to build soft float
2059         functions by iterating over each type, rather than cloning the
2060         code for each type.
2061
2062 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2063
2064         PR middle-end/25158
2065         * builtins.c (fold_builtin_fputs): Defer check for missing
2066         replacement functions.
2067
2068 2005-11-30  Kean Johnston  <jkj@sco.com>
2069
2070         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2071         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2072
2073 2005-11-30  Richard Guenther  <rguenther@suse.de>
2074
2075         PR tree-optimization/22501
2076         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2077         function split out from ...
2078         (forward_propagate_addr_expr): ... here.  Use it to propagate
2079         ADDR_EXPRs to all uses.
2080
2081 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2082
2083         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2084         * builtins.c (expand_builtin_mathfn): Use them.
2085         (expand_builtin_mathfn_2): Likewise.
2086         (expand_builtin_mathfn_3): Likewise.
2087         (expand_builtin_int_roundingfn): Likewise.
2088         (expand_builtin): Likewise.
2089         (integer_valued_real_p): Likewise.
2090         (fold_builtin_int_roundingfn): Likewise.
2091         (fold_builtin_bitop): Likewise.
2092         (fold_builtin_logarithm): Likewise.
2093         (fold_builtin_1): Likewise.
2094         * convert.c (convert_to_integer): Likewise.
2095         * fold-const.c (negate_mathfn_p): Likewise.
2096         (tree_expr_nonnegative_p): Likewise.
2097
2098 2005-11-30  Dale Johannesen  <dalej@apple.com>
2099             Andrew Pinski  <pinskia@physics.uc.edu>
2100
2101         * combine.c (find_split_point):  Sign extend bitmask
2102         when changing bitfield assignment to IOR of AND.
2103
2104 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2105
2106         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2107         clobber to scratch reg.
2108         (*decrement_and_branch_until_zero_no_clobber): Remove.
2109         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2110         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2111         * config/ms1/ms1.opt (mmul): Remove.
2112         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2113         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2114
2115 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2116             Bernd Schmidt  <bernd.schmidt@analog.com>
2117
2118         * pa/predicates.md (symbolic_operand): Add comment.
2119         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2120         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2121         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2122         (pa_secondary_reload_class): Delete.
2123         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2124         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2125         copy of symbolic operand.
2126         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2127
2128 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2129
2130         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2131         jump.
2132
2133 2005-11-30  Jeff Law  <law@redhat.com>
2134
2135         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2136         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2137
2138 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2139
2140         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2141         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2142         (ia64_expand_move): Adjust caller.
2143
2144         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2145         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2146         negate VAL.
2147
2148 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2149
2150         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2151         Always produce an output if we can remove NEGs or canonicalize
2152         (minus (minus ...)) expressions.  Provide a fast path for the
2153         two-operand case.
2154         (simplify_gen_binary): Do not call simplify_plus_minus.
2155         (simplify_binary_operation_1): Reassociate at the end of the
2156         function.
2157
2158 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2159
2160         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2161         moves and unpack to speed up.
2162
2163 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2164
2165         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2166         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2167         (gen_v9_scc): Update callers.
2168         * config/sparc/sparc.md: Likewise.
2169         * config/sparc/sparc-protos.h: Update extern declaration.
2170
2171         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2172
2173 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2174
2175         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2176         the if.
2177
2178 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2179
2180         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2181         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2182         (negate_expr): Here.
2183
2184 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2185
2186         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2187         Fix typo in comment.
2188
2189 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2190
2191         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2192         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2193
2194 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2195
2196         PR middle-end/20109
2197         PR middle-end/25120
2198         * builtins.c (init_target_chars): New.
2199         (expand_builtin_printf, expand_builtin_fprintf,
2200         expand_builtin_sprintf, fold_builtin_sprintf,
2201         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2202         fold_builtin_snprintf_chk, fold_builtin_printf,
2203         fold_builtin_fprintf): Check for matching format strings using
2204         the target charset.
2205
2206 2005-11-29  Paul Brook  <paul@codesourcery.com>
2207
2208         * config.gcc: Do not use fixproto on m68k-elf.
2209
2210 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2211
2212         * expmed.c (div_cost): Replace with...
2213         (sdiv_cost, udiv_cost): New.
2214         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2215         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2216         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2217         (expand_divmod): Replace use of div_cost with either sdiv_cost
2218         or udiv_cost depending upon the signedness of the operation.
2219
2220 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2221
2222         PR libfortran/24991
2223         * config/darwin.c (machopic_indirection_name,
2224         machopic_output_indirection): Follow transparent alias chain.
2225
2226 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2227
2228         * varasm.c (ultimate_transparent_alias_target): Add comment.
2229
2230 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2231
2232         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2233         SET_SRC instead of XEXP where appropriate.
2234
2235 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2236
2237         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2238         __builtin_expect.
2239
2240 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2241
2242         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2243         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2244         bit at a time.
2245
2246 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2247
2248         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2249         secondary_input_reload_class, made static.  Adapt to new
2250         infrastructure.
2251         (secondary_output_reload_class): Delete.
2252         (TARGET_SECONDARY_RELOAD): New macro.
2253         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2254         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2255
2256 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2257
2258         PR c++/21166
2259         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2260         when its natural alignment is > BITS_PER_UNIT.
2261         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2262         * c-common.c (handle_packed_attribute): Ignore packing on a field
2263         whose type is naturally char aligned.
2264
2265 2005-11-28  Richard Guenther  <rguenther@suse.de>
2266
2267         * c-common.c (strict_aliasing_warning): Handle all
2268         component-ref like accesses.
2269
2270 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2271             Uros Bizjak  <uros@kss-loka.si>
2272
2273         PR middle-end/20219
2274         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2275         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2276         when flag_unsafe_math_optimizations is set and
2277         we don't care about NaNs or Infinities.
2278
2279         Move x/expN(y) and x/pow(y,z) transformation into common
2280         flag_unsafe_math_optimizations section.
2281
2282 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2283
2284         * gcc.c (main): Change type of argv to "char **".
2285
2286 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2287
2288         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2289         small data sections.
2290         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2291         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2292         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2293         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2294         output locals to sbss if !rs6000_elf_in_small_data_p.
2295         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2296
2297 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2298
2299         PR target/24997
2300         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2301         generated by reload.
2302         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2303         indexed_or_indirect_address.
2304         (indexed_or_indirect_address): Don't test for base reg.  Call
2305         address_operand last.  Make it a special predicate.
2306
2307 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2308
2309         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2310
2311 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2312
2313         PR middle-end/24575
2314         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2315         is undefined.
2316         (negate_expr): Likewise.
2317
2318 2005-11-27  Andreas Schwab  <schwab@suse.de>
2319
2320         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2321         redundant parens.
2322
2323 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2324
2325         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2326         has EH predecessor edges.
2327
2328 2005-11-26  Eric Christopher  <echristo@apple.com>
2329
2330         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2331         register stalls by zero extending to the full register.
2332
2333 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2334
2335         * config/floatunsisf.c, config/floatunsidf.c,
2336         config/floatunsixf.c, config/floatunsitf.c: New files.
2337         * config/ia64/t-hpux: Add floatunsitf.c.
2338         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2339         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2340
2341 2005-11-26  Richard Henderson  <rth@redhat.com>
2342
2343         * c-lex.c (pragma_lex): Rename from c_lex.
2344         * c-pch.c: Update for pragma_lex rename.
2345         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2346         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2347         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2348         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2349         * doc/tm.texi: Likewise.
2350
2351 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2352
2353         PR middle-end/23669
2354         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2355         when overflow is undefined.
2356
2357 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2358
2359         * doc/md.texi (Insn Canonicalizations): Refer to the
2360         function commutative_operand_precedence for further rules.
2361
2362 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2363
2364         PR middle-end/21309
2365         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2366         is less than zero.  Limit mult_cost to a reasonable upper bound for
2367         the synthetic multiplication sequence.
2368
2369 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2370
2371         PR middle-end/25022
2372         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2373         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2374         Lookup the explicit replacement functions for any unlocked
2375         stdio builtin transformations.
2376
2377 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2378
2379         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2380         earlyclobber.
2381         * targhooks.c (default_secondary_reload): Don't require operand 2
2382         for an input reload to be earlyclobber.
2383
2384 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2385
2386         * fold-const.c (negate_mathfn_p): Fix comment and add support
2387         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2388         BUILT_IN_ATANH.
2389
2390 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2391
2392         PR middle-end/24998
2393         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2394         _Q_ulltoq for unsigned conversions from SImode and DImode to
2395         TFmode.
2396
2397 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2398
2399         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2400         (__floatundidf, __floatundisf): Likewise.
2401
2402 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2403
2404         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2405         (rs6000_override_options): Remove initialization of
2406         rs6000_sr_alias_set.
2407         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2408         (rs6000_emit_stack_tie): Same.
2409         (emit_frame_save): Same.
2410         (gen_frame_mem_offset): Same.
2411         (rs6000_emit_prologue): Same.
2412         (rs6000_emit_epilogue): Same.
2413
2414 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2415
2416         PR middle-end/24989
2417         * fold-const.c (fold_build): Convert bool_var != 1 and
2418         bool_var == 0 to !bool_var.
2419
2420 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2421
2422         PR middle-end/24990
2423         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2424         for C being INTEGER_CST.  Likewise for !=.
2425
2426 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2427
2428         PR middle-end/24998
2429         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2430         unsigned conversions from SImode to TFmode.
2431
2432 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2433
2434         * expr.c (expand_expr_real_1): Fix error in last change.
2435
2436 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2437
2438         * caller-save.c: (this_insn_sets): Move into:
2439         (save_call_clobbered_regs).
2440         (mark_set_regs): Get this_insn_sets from data.
2441
2442         (save_call_clobbered_regs): Take sets of the return value by
2443         sibcalls into account.
2444
2445 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2446         PR target/21623:
2447
2448         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2449         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2450         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2451         (memory_move_secondary_cost, init_reg_autoinc): Remove
2452         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2453         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2454         secondary_reload_class call.
2455         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2456         callers.
2457         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2458         (push_secondary_reload): Use secondary_reload target hook.
2459         (secondary_reload_class, scratch_reload_class): New functions.
2460         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2461         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2462         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2463         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2464         (secondary_reload_class, scratch_reload_class): Declare.
2465         * reload1.c: Include target.h.
2466         (reload_adjust_reg_for_temp): New function.
2467         (reload_adjust_reg_for_icode): Likewise.
2468         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2469         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2470         call.
2471         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2472         for inheritance.  Support case when both secondary & tertiary reloads
2473         are for intermediate registers.
2474         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2475         with secondary_reload_class call.  Support case when both secondary
2476         & tertiary reloads are for intermediate registers.
2477         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2478         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2479         * target.h (secondary_reload_info): New struct / typedef.
2480         (struct gcc_target): New member secondary_reload.
2481         * targhooks.c Include reload.h, optabs.h and recog.h.
2482         (default_secondary_reload): New function.
2483         * targhooks.h (default_secondary_reload): Declare.
2484         * doc/tm.texi: Document secondary_reload target hook.  Update
2485         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2486         * doc/md.texi: Likewise.
2487
2488         * sh-protos.h (sh_secondary_reload): Declare.
2489         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2490         (sh_secondary_reload): New function.
2491         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2492         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2493         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2494         (HAVE_SECONDARY_RELOADS): Define.
2495         * sh.md (reload_indf): Rename to:
2496         (reload_indf__frn).
2497         (reload_outdf): Rename to:
2498         (reload_outdf__RnFRm).
2499         (reload_insf): Rename to:
2500         (reload_insf__frn).
2501         (reload_insi): Rename to:
2502         (reload_insi__i_fpul).
2503
2504 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2505
2506         * configure.ac: Require at least texinfo 4.4.
2507         * configure: Regenerate.
2508
2509         * doc/install.texi (Tools/packages necessary for building GCC):
2510         Update required version of texinfo to at least 4.4.
2511         (Installing GCC: Building): Update required version of texinfo
2512         to at least 4.4.
2513         (Installing GCC: Final installation): Update required version
2514         of texi2dvi to at least 4.4.
2515         (Host/target specific installation notes for GCC): Update required
2516         version of texinfo to at least 4.4.
2517
2518 2005-11-24  Richard Guenther  <rguenther@suse.de>
2519         Dirk Mueller <dmueller@suse.de>
2520
2521         PR c++/14024
2522         * c-common.h (strict_aliasing_warning): Declare.
2523         * c-common.c (strict_aliasing_warning): New function,
2524         split out from ...
2525         * c-typeck.c (build_c_cast): ... here.
2526
2527 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2528
2529         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2530         to order operands.
2531         (swap_commutative_operands_with_target): New.
2532
2533 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2534
2535         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2536         also when doing PRE, rather than only for global CPROP.
2537
2538 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2539
2540         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2541         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2542         formatting.
2543         (expand_twoval_unop): Likewise.
2544         (widen_clz): Likewise.
2545         (expand_parity): Likewise.
2546         (expand_unop): Likewise.
2547         (emit_cmp_and_jmp_insn_1): Likewise.
2548         (prepare_float_lib_cmp): Likewise.
2549
2550 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2551
2552         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2553         Remove unused `class' variable.
2554
2555 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2556
2557         PR c++/21667
2558         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2559         C/C++ diagnostic function warn_array_subscript_with_type_char.
2560         * c-common.h (warn_array_subscript_with_type_char): Declare.
2561         * c-common.c (warn_array_subscript_with_type_char): Define.
2562
2563 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2564
2565         PR c/21668
2566         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2567         compiling at the intersection of C and C++.
2568
2569 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2570
2571         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2572         List @file in the option summary.  Include the libiberty
2573         documentation for @file.
2574         * gcc.c (main): Call expandargv.
2575         * Makefile.in (gcc-vers.texi): Define srcdir.
2576
2577 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2578
2579         * passes.c (init_optimization_passes): Document
2580         sequencing of passes.
2581
2582 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2583
2584         * config/m68k/predicates.md (pcrel_address, extend_operator,
2585         post_inc_operand, pre_dec_operand): Remove redundant
2586         conditionals.
2587         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2588         instead of abort.
2589         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2590
2591 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2592
2593         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2594
2595 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2596
2597         Preparatory work for PR target/21623:
2598         * alpha.c (secondary_reload_class): Rename to:
2599         (alpha_secondary_reload_class).
2600         * alpha.h, alpha-protos.h: Likewise.
2601         * mn10300.c (secondary_reload_class): Rename to:
2602         (mn10300_secondary_reload_class).
2603         * mn10300.h, mn10300-protos.h: Likewise.
2604         * pa.c (secondary_reload_class): Rename to:
2605         (pa_secondary_reload_class).
2606         * pa.h, pa-protos.h: Likewise.
2607         * rs6000.c (secondary_reload_class): Rename to:
2608         rs6000_secondary_reload_class.
2609         * rs6000.h, rs6000-protos.h: Likewise.
2610
2611 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2612
2613         PR middle-end/22561
2614         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2615
2616 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2617
2618         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2619         a mode_class.
2620         (prepare_cmp_insn): Likewise.
2621
2622 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2623
2624         PR target/23435
2625         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2626         if both operands[0] and operands[1] are memory.
2627
2628 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2629
2630         PR middle-end/23606
2631         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2632         COMPARISON_CLASS_P and an integral types create create a new
2633         expression with the new type and fold that.
2634
2635 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2636
2637         PR target/24988
2638         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2639         to SUBTARGET_OS_CPP_BUILTINS.
2640
2641 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2642
2643         * arm.c (emit_set_insn): New function.
2644         (arm_split_constant): Call it.
2645         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2646         (arm_legitimize_address): Likewise.  Use plus_constant.
2647         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2648         (thumb_expand_prologue): Likewise.
2649         (arm_gen_load_multiple): Use VOIDmode in SET.
2650         (arm_gen_store_multiple): Likewise.
2651         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2652         (emit_multi_reg_push): Likewise.
2653         (emit_sfm): Use plus_constant.
2654
2655 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2656
2657         PR target/24954
2658         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2659         typo last change.
2660
2661 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2662
2663         PR middle-end/24950
2664         * expmed.c (store_bit_field): Don't attempt to insv a field
2665         larger than the reg.
2666
2667 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2668
2669         PR target/24954
2670         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2671         explicit sign extension, not a (char) cast.
2672
2673 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2674
2675         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2676         GET_MODE_CLASS (x) == MODE_FLOAT.
2677         * config/i386/i386.c: Likewise.
2678         * config/rs6000/xcoff.h: Likewise.
2679         * config/rs6000/linux64.h: Likewise.
2680         * config/rs6000/rs6000.c: Likewise.
2681         * config/rs6000/rs6000.h: Likewise.
2682         * config/rs6000/predicates.md: Likewise.
2683         * config/rs6000/sysv4.h: Likewise.
2684
2685 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2686
2687         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2688         flag_pic is set.
2689
2690         * config/alpha/freebsd.h, config/alpha/linux.h,
2691         config/arm/linux-elf.h, config/bfin/bfin.h,
2692         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2693         config/i386/beos-elf.h, config/i386/gnu.h,
2694         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2695         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2696         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2697         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2698         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2699         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2700         config/sparc/linux.h, config/sparc/linux64.h,
2701         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2702
2703         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2704         are both defined when either flag -fpic or -fPIC are used.
2705
2706 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2707
2708         * config/fp-bit.c (clzusi): New function.
2709         (si_to_float, usi_to_float): Use it to compute proper shift.
2710         (usi_to_float): Preserve guard bits when shifting right.
2711         * libgcc-std.ver (GCC_4.2.0): New version.
2712         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2713         __floatundisf): New functions.
2714         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2715         __floatundisf): Declare.
2716         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2717         _floatundixf, and _floatunditf.
2718         * optabs.c (expand_float): If target does not define a pattern for
2719         signed or unsigned conversion, use an unsigned libcall instead of
2720         a signed one.
2721         (init_optabs): Initialize ufloat_optab.
2722
2723 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2724
2725         * config/rs6000/rs6000.opt (mmulhw): New option.
2726         * doc/invoke.texi (-mmulhw): Document.
2727         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2728         for 405 and 440.
2729         * config/rs6000/rs6000.md: Add half-word multiply and
2730         multiply-accumulate instructions for 405 and 440.
2731
2732 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2733
2734         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2735         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2736         default now includes a linker group which makes the RTEMS one nest.
2737
2738 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2739
2740         * cse.c (fold_rtx): Typo fix.
2741         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2742
2743 2005-11-21  Richard Henderson  <rth@redhat.com>
2744
2745         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2746         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2747
2748         * c-tree.h (lookup_name): Move declaration ...
2749         * c-common.h (lookup_name): ... here.
2750         * config/darwin-c.c: Include c-common.h.
2751         * config/t-darwin: Update dependencies.
2752
2753 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2754
2755         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2756         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2757         * genopinit.c (gen_insn): Likewise.
2758         * reload.c (find_equiv_reg): Likewise.
2759         * loop.c (load_mems): Likewise.
2760         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2761         * cse.c (find_comparison_args, fold_rtx): Likewise.
2762         * dwarf2out.c (add_const_value_attribute): Likewise.
2763         * expr.c (convert_move): Likewise.
2764         * recog.c (general_operand, register_operand): Likewise.
2765         * reg-stack.c (replace_reg): Likewise.
2766         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2767         * c-common.c (handle_vector_size_attribute): Likewise.
2768         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2769         (simplify_binary_operation_1): Likewise.
2770         (simplify_const_binary_operation): Likewise.
2771         (simplify_relational_operation): Likewise.
2772         (simplify_const_relational_operation): Likewise.
2773         (simplify_immed_subreg): Likewise.
2774         * emit-rtl.c (gen_lowpart_common): Likewise.
2775         * expmed.c (expand_mult): Likewise.
2776         * stor-layout.c (layout_type): Likewise.
2777
2778 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2779
2780         PR target/24951
2781         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2782         cst2 only for SPE vectors.
2783
2784 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2785
2786         PR target/24953
2787         * config/rs6000/predicates.md (vrsave_operation): Check
2788         UNSPEC_VOLATILE value.
2789
2790 2005-11-21  Jan Hubicka  <jh@suse.cz>
2791
2792         PR tree-optimization/24653
2793         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2794
2795 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2796
2797         * config/i386/predicates.md (ax_reg_operand): New predicate.
2798         (memory_displacement_only_operand): New predicate.
2799         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2800         operand is AX register and the other operand is memory operand
2801         with displacement only.
2802
2803 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2804
2805         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2806         if we don't care about NaNs or Infinities.
2807
2808 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2809
2810         PR rtl-optimization/24883
2811         * combine.c (combinable_i3pat): When checking whether the
2812         destination of i3 is used in i3, consider paradoxical subregs.
2813
2814 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2815
2816         PR middle-end/20583
2817         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2818
2819 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2820
2821         * combine.c (try_combine): Do not run subst on i1src and i2src in
2822         the case of generating a PARALLEL for a comparison.
2823
2824 2005-11-20  Richard Henderson  <rth@redhat.com>
2825
2826         PR 24931
2827         * tree-sra.c (struct sra_elt): Add all_no_warning.
2828         (struct sra_walk_fns) <use>: Add use_all argument.
2829         (sra_walk_expr): Pass it.
2830         (sra_walk_modify_expr): Likewise.
2831         (scalarize_ldst): Likewise.
2832         (scan_use): Update for new argument.
2833         (mark_no_warning): New.
2834         (scalarize_use): Use it.
2835
2836 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2837
2838         * expr.c (expand_expr_real): Use usmul_optab for widening
2839         signed * unsigned multiplies.
2840         * genopinit.c (optabs): Add usmul_widen_optab.
2841         * optabs.c (init_optabs): Likewise.
2842         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2843         (usmul_widen_optab): Define.
2844         * config/bfin/bfin.md (usmulhisi3): New pattern.
2845
2846         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2847
2848 2005-11-20  Graham Stott <btinternet.com>
2849
2850         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2851
2852 2005-11-20  Andreas Schwab  <schwab@suse.de>
2853
2854         PR target/24757
2855         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2856         insn.
2857
2858 2005-11-19  Richard Henderson  <rth@redhat.com>
2859
2860         PR tree-opt/24665
2861         * tree-gimple.c (is_gimple_id): Export.
2862         * tree-gimple.h (is_gimple_id): Declare.
2863         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2864         (get_default_value): Use it.
2865         (maybe_fold_stmt_indirect): Likewise.
2866
2867 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2868
2869         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2870         than VR1 or vice-versa.
2871
2872 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2873
2874         PR middle-end/24912
2875         PR middle-end/24750
2876         * reload.c (find_reloads_address_1): Mention dependency on
2877         gen_reload.
2878         * reload1.c (gen_reload): For IN with an unary operation, try
2879         moving inner expression to OUT if trivial SET is not valid.
2880         Confirm that the result is valid.  Move common code block into...
2881         (emit_insn_if_valid_for_reload): New function.
2882
2883 2005-11-19  Richard Guenther  <rguenther@suse.de>
2884
2885         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2886         ARRAY_REFs of constant strings.
2887
2888 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2889
2890         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2891         fatal format string.
2892
2893 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2894
2895         * combine.c (make_compound_operation): Swap operands of
2896         commutative operation if necessary before returning.
2897
2898 2005-11-19  Richard Guenther  <rguenther@suse.de>
2899
2900         PR middle-end/23294
2901         * fold-const.c (fold_plusminus_mult_expr): New function.
2902         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2903         cases, remove now unnecessary code.
2904
2905 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2906
2907         * gensupport.c (old_preds): Rename to std_preds, add special field.
2908         (struct old_pred_table): Rename to struct std_pred_table, add special
2909         field.
2910         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2911         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2912         (init_predicate_table): Adjust, and set along the way whether a
2913         predicate is special.
2914
2915 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2916
2917         * BASE-VER: Change to 4.2.0.
2918
2919 2005-11-18  James E Wilson  <wilson@specifix.com>
2920
2921         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2922         returning it.
2923
2924 2005-11-18  Mike Stump  <mrs@apple.com>
2925
2926         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2927         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2928         * c-decl.c (lookup_name_two) Remove.
2929         * c-tree.h (lookup_name_two): Remove.
2930         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2931         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2932         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2933         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2934
2935 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2936
2937         PR target/24914
2938         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2939         when not generating code to use that co-processor.
2940
2941 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2942
2943         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2944         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2945         these functions are now in tree-phinodes.c.
2946
2947 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2948
2949         * config/bfin/bfin.md (trap): New pattern.
2950
2951 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2952
2953         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2954         on types.
2955
2956         * expr.c (expand_expr_real): Don't call record_block_change unless
2957         ib_boundaries_block is non-null
2958
2959         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2960
2961         * fold-const.c (build_range_check): Use proper type for subtraction
2962         when merging lower bound.
2963
2964 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2965
2966         PR rtl-optimization/24497
2967         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2968         the copied insn.
2969
2970 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2971
2972         * tree-scalar-evolution.c (expression_expensive_p): New function.
2973         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2974
2975 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2976
2977         * config/bfin/crtlibid.s: New file.
2978
2979 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2980
2981         PR target/24348
2982         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2983         when not using sjlj exceptions.
2984         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2985         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2986         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2987         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2988         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2989         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2990         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2991         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2992         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2993         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2994         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2995         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2996         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2997         defines.
2998         * config/pa/hpux-unwind.h: New file.
2999
3000 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3001
3002         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3003         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3004         * varasm.c (do_assemble_alias): Adjust call.
3005         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3006         is defined.
3007         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3008
3009 2005-11-17  James E Wilson  <wilson@specifix.com>
3010
3011         * tree.def (FUNCTION_DECL): Correct typo in comment.
3012
3013 2005-11-17  Richard Henderson  <rth@redhat.com>
3014
3015         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3016         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3017         and DW_CFA_def_cfa_sf.
3018         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3019         (dbx_reg_number): Don't assert particular registers here.
3020         (based_loc_descr): ... do it here instead.  Fold in ...
3021         (eliminate_reg_to_offset): ... this function.
3022         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3023         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3024         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3025         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3026         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3027         (instantiate_virtual_regs): Likewise.
3028         * var-tracking.c (adjust_stack_reference): Likewise.
3029         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3030
3031 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3032
3033         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3034         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3035         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3036         crtlibid.o.
3037         ($(T)crtlibid.o): New rule.
3038
3039 2005-11-16  Richard Guenther  <rguenther@suse.de>
3040
3041         PR middle-end/24851
3042         * fold-const.c (extract_array_ref): Return byte offset
3043         in all cases.
3044         (fold_binary): Fold &x[a] CMP &x[b] to
3045         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3046         behavior.
3047
3048 2005-11-16  Richard Henderson  <rth@redhat.com>
3049
3050         PR middle-end/23497
3051         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3052         parts of an SSA_NAME.
3053
3054 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3055
3056         PR target/24861
3057         * arm.md (split for movsf with immediate): Restrict split to insns
3058         that set a general register.
3059
3060 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3061
3062         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3063         uw_update_context.
3064         * unwind-dw2.c (uw_advance_context): Likewise.
3065         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3066         _Unwind_SjLj_Unregister.
3067         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3068
3069 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3070
3071         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3072
3073 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3074
3075         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3076         langhook to get a DImode integer type.
3077
3078 2005-11-16  Richard Henderson  <rth@redhat.com>
3079             J"orn Rennecke <joern.rennecke@st.com>
3080             Ulrich Weigand  <uweigand@de.ibm.com>
3081
3082         PR rtl-opt/24160
3083         PR target/24621
3084         * reload1.c (reg_equiv_invariant): New.
3085         (reload): Allocate, initialize, and free it.
3086         (calculate_needs_all_insns): Check it when skipping equivalence
3087         setting insns.
3088         (alter_reg): Likewise.
3089         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3090         may_use_invariant argument; only use reg_equiv_invariant when true.
3091         (eliminate_regs): New.
3092         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3093         a context for which may_use_invariant may be true.
3094
3095 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3096
3097         * fold-const.c (const_binop): Don't constant fold the operation
3098         if the result has overflowed and flag_trapping_math.
3099         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3100
3101 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3102
3103         * config/arm/unwind-arm.c (abort): Add prototype here.
3104         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3105         (struct phase1_vrs): Add prev_sp.
3106         (unwind_phase2_forced): Save the original core registers instead of
3107         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3108         and set action flags accordingly.  Always set _US_END_OF_STACK when
3109         get_eit_entry fails.  Unwind before calling the stop function.
3110         (_Unwind_GetCFA): New function.
3111         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3112         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3113         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3114         just call unwind_phase2_forced.
3115         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3116         * config/arm/unwind-arm.h (abort): Remove prototype.
3117         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3118         prototypes.
3119         (_Unwind_GetCFA): New prototype.
3120         * config/arm/pr-support.c (abort): Add prototype here.
3121         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3122         forced unwinding.
3123         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3124         not schedule the prologue with non-call exceptions and EABI.
3125
3126 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3127
3128         * config/arm/unwind-arm.h: Reorder interface function declarations.
3129         (_URC_END_OF_STACK): New enumeration value.
3130         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3131         (struct _Unwind_Control_Block): Document reserved field use.
3132         (_Unwind_Stop_Fn): New typedef.
3133         (_Unwind_ForcedUnwind): Declare.
3134         (_Unwind_Resume_or_Rethrow): Declare.
3135         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3136         argument.  Adjust.
3137         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3138         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3139         (UCB_FORCED_STOP_ARG): New.
3140         (search_EIT_table): Update boundary condition checks.
3141         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3142         (unwind_phase2): Replace for with do..while.
3143         (unwind_phase2_forced): New.
3144         (__gnu_Unwind_RaiseException): Replace for with do..while.
3145         (__gnu_Unwind_ForcedUnwind): New.
3146         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3147         Use appropriate phase2 unwinder.
3148         (__gnu_Unwind_Resume_or_Rethrow): New.
3149         (__gnu_unwind_pr_common): Cope with forced unwinding.
3150
3151 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3152
3153         PR target/24772
3154         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3155
3156         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3157         roundsf2): Remove "s" from mnemonic.
3158
3159 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3160
3161         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3162         __PIC__ is defined.
3163         * config/bfin/crtn.s: Change epilogues to match.
3164         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3165         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3166         __PIC__ and __pic__.
3167
3168 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3169
3170         PR 24357
3171         * doc/invoke.texi: Distinguish between free and fixed form instead of
3172         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3173         languages.
3174         * gcc.c (default_compilers): Remove double entries, add entries for
3175         suffixes '.F90' and '.F95'.
3176
3177 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3178
3179         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3180         in the stack probing loop.
3181
3182 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3183
3184         * configure.ac: Use .machine power5 not power5x.
3185         * configure: Regenerate.
3186
3187 2005-11-15  Mike Stump  <mrs@apple.com>
3188
3189         * c-decl.c (lookup_name_two): Add.
3190         * c-tree.h (lookup_name_two): Likewise.
3191         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3192         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3193
3194 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3195
3196         PR rtl-optimization/23392
3197         * regrename.c (enum scan_actions) Add mark_access.
3198         (scan_actions_name): Ditto.
3199         (scan_rtx_reg): Handle mark_access.
3200         (scan_rtx_address): Do nothing for mark_access.
3201         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3202         and regs in REG_INC notes before closing chains for dead regs.
3203         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3204         opening chains for new writes.
3205
3206 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3207
3208         * c.opt (ffixed-line-length-none): New.
3209
3210 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3211
3212         * mklibgcc.in: Change contents of eh_dummy.c.
3213
3214 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3215
3216         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3217
3218 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3219
3220         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3221         of making syscalls.
3222         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3223
3224 2005-11-15  Jan Hubicka  <jh@suse.cz>
3225
3226         * invoke.texi (large-unit-insns): Document.
3227         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3228         * params.def (large-unit-insns): New param.
3229
3230 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3231
3232         PR target/24869
3233         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3234         special register for operand 3.  Reindent constraints to align
3235         them vertically.
3236
3237 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3238
3239         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3240         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3241         * configure.ac: Add test for FP rounding instructions.
3242         * configure: Regenerate.
3243         * config.in: Regenerate.
3244         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3245         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3246         features enabled.
3247         * config/rs6000/rs6000.opt (mfprnd): New.
3248         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3249         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3250         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3251         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3252         (TARGET_FPRND): New.
3253         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3254         UNSPEC_FRIZ): New.
3255         (btrunc<mode>2): New.
3256         (ceil<mode>2): New.
3257         (floor<mode>2): New.
3258         (round<mode>2): New.
3259
3260 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3261
3262         * gcc.c (version_compare_spec_function): Use fatal() rather than
3263         abort().
3264
3265         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3266         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3267         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3268         as empty.
3269         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3270         link in crt2.o.
3271
3272         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3273         on -mmacosx-version-min setting.
3274
3275 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3276
3277         PR 24840
3278         * tree-vrp.c (infer_value_range): Return false if STMT is a
3279         block terminator and its basic block has no successors.
3280
3281 2005-11-14  Mike Stump  <mrs@apple.com>
3282
3283         * config/i386/i386.c (override_options): -masm=intel isn't
3284         supported on darwin.
3285         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3286
3287 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3288
3289         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3290         vfork after including auto-host.h.
3291
3292 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3293
3294         PR rtl-optimization/22002
3295         * combine.c (distribute_notes): Detect cases where a reg dies
3296         two or more times in a bb, including on the insn we are combining,
3297         and place the death note on the correct range.
3298
3299 2005-11-14  Dale Johannesen  <dalej@apple.com>
3300
3301         * expmed.c (store_bit_field):  Add offset unconditionally for
3302         memory targets.
3303         (extract_bit_field):  Don't force extzv or extv operand into
3304         a register if field is too big.
3305
3306 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3307
3308         * config/arm/arm.c (pic_labelno): New.
3309         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3310         LABEL_REF.  Pass only the labelno to PIC insns.
3311         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3312         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3313         * arm.md (UNSPEC_PIC_LABEL): New constant.
3314         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3315         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3316         Use the correct label prefix.
3317
3318 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3319
3320         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3321         REQ_EQUIV note.
3322
3323 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3324
3325         * loop-invariant.c: Include tm_p.h.
3326         * Makefile.in: Updated.
3327
3328 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3329
3330         * pa.c (store_reg): Revise generation of frame notes in large frames.
3331         (set_reg_plus_d): Likewise.
3332
3333 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3334
3335         PR tree-optimization/24709
3336         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3337         loop check.
3338
3339 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3340
3341         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3342         and duplicate declaration of pthread_self.
3343
3344 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3345             Ian Lance Taylor  <ian@airs.com>
3346
3347         PR middle-end/24003
3348         * calls.c (expand_call): If TARGET is a MEM and some part of the
3349         argument area has been saved, force TARGET to a register.
3350
3351 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3352
3353         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3354         checking.
3355
3356 2005-11-13  Jason Merrill  <jason@redhat.com>
3357
3358         PR c++/22489
3359         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3360         lazily declared methods.
3361         (force_decl_die): Stop if forcing out the context already make a
3362         DIE for the decl.
3363         (force_type_die): Likewise.
3364
3365 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3366
3367         PR middle-end/24820
3368         * builtins.c (integer_valued_real_p): Add break in
3369         REAL_CST having TREE_OVERFLOW set.
3370
3371 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3372
3373         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3374         addressing modes during calculation of costs.
3375
3376 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3377
3378         * function.c (assign_stack_local_1): Restrict sanity check
3379         on frame size overflow to 32-bit and above platforms.
3380
3381 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3382
3383         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3384         * config/cris/cris.c: Include reload.h.
3385         (cris_initial_elimination_offset): New function.
3386         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3387         Prototype.
3388
3389 2005-11-12  Richard Guenther  <rguenther@suse.de>
3390
3391         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3392
3393 2005-11-12  Jan Hubicka  <jh@suse.cz>
3394
3395         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3396         to compare against 0 when possible.
3397
3398 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3399
3400         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3401         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3402         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3403         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3404         in the new order.
3405
3406 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3407
3408         * recog.c (constrain_operands) <case 'g'>: For a match, require
3409         that a non-register matches general_operand when strict >= 0.
3410
3411 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3412
3413         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3414         previous checkin.
3415
3416 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3417
3418         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3419         (memory_address_same): New.
3420         (dse_optimize_stmt): Call memory_address_same.
3421
3422 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3423
3424         PR middle-end/24750
3425         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3426         ZERO_EXTEND>: New cases.
3427
3428 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3429
3430         * longlong.h (__clz_tab): Always provide.
3431
3432 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3433
3434         PR 24265
3435         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3436         can be assigned to.
3437         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3438         before check_maybe_invariant.
3439         (move_invariant_reg): Use gen_move_insn instead of replacing
3440         SET_DEST with the temporary for the invariant.
3441         (move_loop_invariants): If checking is enabled, do internal
3442         consistency checks after completing the pass.
3443
3444 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3445
3446         PR 24644
3447         * common.opt (Wvolatile-register-var): New.
3448         * varasm.c (make_decl_rtl): Only emit warning when option
3449         specified.  Clarify warning message.
3450         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3451
3452         * doc/md.texi (copysign): Document standard named pattern.
3453
3454 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3455
3456         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3457         bytes when align is 2.
3458         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3459         by the first instruction of the loop.
3460
3461 2005-11-11  Jason Merrill  <jason@redhat.com>
3462
3463         PR c++/24686
3464         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3465         the cleanup list.
3466
3467 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3468
3469         PR rtl-optimization/22509
3470         * local-alloc.c (memref_used_between_p): Check whether a function call
3471         could not reference the memref.
3472
3473 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3474
3475         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3476         algorithm so as to choose the best, not the worst, alternative.
3477         Reset accumulated register class before processing next alternative.
3478
3479 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3480
3481         PR target/24445
3482         * calls.c (expand_call): Copy a return value to a plain register
3483         if needed.
3484
3485 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3486
3487         PR target/24778
3488         * varasm.c (assemble_name): Recompute name only for transparent
3489         aliases.
3490
3491 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3492
3493         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3494
3495 2005-11-04  Jeff Law  <law@redhat.com>
3496
3497         PR middle-end/23181
3498         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3499         perform reassociation if the parent statement will not die as
3500         a result of the optimization.
3501
3502 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3503
3504         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3505         delete_old_heap_vars.
3506         * tree-dfa.c (referenced_var_remove): Remove function.
3507         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3508         (delete_tree_ssa): Remove call to delete_old_heapvars.
3509         Add call to delete_alias_heapvars.
3510         * tree-flow.h (referenced_var_remove): Remove prototype
3511         (init_alias_heapvars): New prototype.
3512         (delete_alias_heapvars): Ditto.
3513         * Makefile.in (tree-ssa-structalias.o): Add
3514         gt-tree-ssa-structalias.o
3515         (GTFILES): Add tree-ssa-structalias.h and
3516         tree-ssa-structalias.c.
3517         (s-gtype): Add gt-tree-ssa-structalias.h.
3518         * tree-ssa-structalias.c (heapvars): Remove.
3519         (oldheapvars): Remove.
3520         (heapvar_for_stmt): New variable.
3521         (heapvar_lookup): New function.
3522         (heapvar_insert): Ditto.
3523         (get_constraint_for): See if we have an old heapvar
3524         to reuse.
3525         (init_alias_heapvars): New function.
3526         (delete_alias_heapvars): Ditto.
3527         Add include of gt-tree-ssa-structalias.h.
3528
3529 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3530
3531         PR middle-end/22127
3532         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3533
3534 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         * tree.c (int_fits_type_p): Only look at the base type
3537         if it has the same precision as the original type.
3538
3539 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3540
3541         PR other/4372
3542         * varasm.c (assemble_alias): Use %q+D in the error
3543         message instead of %J and %qD.
3544
3545 2005-11-10  Richard Guenther  <rguenther@suse.de>
3546
3547         * gcse.c (free_ldst_entry): Only free hashtable if
3548         it exists.
3549
3550 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3551
3552         * function.c (assign_stack_local_1): Issue an error message if
3553         the frame size overflows in the signed target arithmetics.
3554
3555 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3556
3557         * tree.c (build_qualified_type): Chain the new type to the original
3558         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3559         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3560         (build_pointer_type_for_mode): Only return unqualified types.
3561         (build_reference_type_for_mode): Likewise.
3562
3563 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3564
3565         * Makefile.in (gnucompare): Do comparison of all files using one of
3566         the chosen methods and only afterwards decide if just warning should
3567         be issued or comparison failure raised.
3568
3569 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3570
3571         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3572         (noce_try_abs): Negate if the comparison is reversed.
3573         Look only one instruction backwards for a REG_EQUAL note.
3574
3575 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3576
3577         PR other/4372
3578         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3579         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3580         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3581         and prefix all uses with __ghtrw.
3582
3583 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3584
3585         PR other/4372
3586         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3587         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3588         * c-common.c (handle_weakref_attribute): New.
3589         (c_common_attribute_table): Add weakref.
3590         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3591         in the assembler.
3592         * configure, config.in: Rebuilt.
3593         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3594         * doc/extend.texi: Document weakref attribute.
3595         * varasm.c (ultimate_transparent_alias_target): New
3596         (assemble_name): Use it.
3597         (weak_finish_1): Split out of...
3598         (weak_finish): ... and deal with weakrefs in...
3599         (weakref_targets): ... new list.
3600         (globalize_decl): Clean up weakref_targets.
3601         (do_assemble_alias): Handle weakrefs.
3602         (finish_aliases_1): Do not reject weakrefs to external symbols.
3603         (assemble_alias): Handle weakrefs.
3604
3605 2005-11-09  Richard Guenther  <rguenther@suse.de>
3606
3607         PR tree-optimization/24716
3608         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3609         t_bool to track results from follow_ssa_edge.
3610
3611 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3612
3613         * final.c (force_source_line): New global variable.
3614         (final_scan_insn): Set it to true instead of clearing last_filename.
3615         (notice_source_line): Return true if force_source_line is true,
3616         unless source info is absent.
3617
3618 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3619
3620         PR c/24644
3621         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3622         a linkage name for a variable if it a register variable.
3623         * c-decl.c (grokdeclarator): Global register variables
3624         should be set as PUBLIC.
3625
3626 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3627
3628         PR 24624
3629         * config/s390/s390.c (struct s390_frame_layout): New fields
3630         first_save_gpr_slot and last_save_gpr_slot.
3631         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3632         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3633         first_save_gpr and last_save_gpr with the _slot variants.
3634         (s390_register_info): Calculate first_save_gpr_slot and
3635         last_save_gpr_slot using regs_ever_live.
3636
3637 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3638
3639         PR 24623
3640         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3641         for a function containing a landing pad.
3642
3643 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3644
3645         PR 24034
3646         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3647         is live afterwards.
3648
3649 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3650
3651         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3652         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3653
3654 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3655
3656         Add ms2 support
3657         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3658         constants.
3659         (call,load,store): New insn types.
3660         (mem_access, branch_access): Adjust reservation conditions.
3661         (define_delay): Adjust condition.
3662         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3663         type.
3664         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3665         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3666         insn type.
3667         (call_internal, call_value_internal, return_internal,
3668         return_interrupt_internal, eh_return_internal, indirect_jump,
3669         tablejump): Set call insn type.
3670         (blockage, ei, di): Use appropriate unspec const.
3671         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3672         (ms1_get_attr_type): Adjust to give load & store types.
3673         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3674         backwards past a barrier.
3675         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3676         branch scheduling.
3677         (struct branch_info, struct label_info): New.
3678         (ms1_labels): New.
3679         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3680         (ms1_machine_reorg): New.
3681         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3682         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3683         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3684         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3685         (TARGET_MS2): New.
3686
3687 2005-11-09  Per Bothner  <per@bothner.com>
3688             Uros Bizjak  <uros@kss-loka.si>
3689
3690         PR c/24101
3691         * toplev.c (process_options): Initialize debug_hooks early
3692         in case lang_hooks.post_options ends up calling a debug_hook.
3693
3694 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3695
3696         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3697         DBX_REGISTER_NUMBER being contiguous.
3698
3699 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3700             Diego Novillo  <dnovillo@redhat.com>
3701
3702         PR 23046
3703         * tree-vrp.c (register_edge_assert_for): Do not register
3704         always-false predicates.
3705
3706 2005-11-08  Devang Patel <dpatel@apple.com>
3707
3708         PR tree-optimization/23115
3709         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3710         relation.
3711
3712 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3713
3714         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3715         -mcpu=440.
3716
3717 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3718
3719         Fix PR tree-optimization/23382
3720
3721         * tree-ssa-alias.c (compute_may_aliases): Call
3722         delete_old_heap_vars.
3723         * tree-dfa.c (referenced_var_remove): New function.
3724         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3725         * tree-flow.h (referenced_var_remove): Add prototype.
3726         (delete_old_heap_vars): Ditto.
3727         * tree-ssa-structalias.c (heapvars): New variable.
3728         (oldheapvars): Ditto.
3729         (get_constraint_for): Put heap vars on heapvars list.
3730         (delete_old_heap_vars): New function.
3731
3732 2005-11-08  Jason Merrill  <jason@redhat.com>
3733
3734         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3735
3736 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3737
3738         PR target/19340
3739         * reg-stack.c (reg_to_stack): Update register liveness also
3740         for flag_sched2_use_traces.
3741
3742 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3743
3744         PR target/23704
3745         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3746         override prior explicit -mno-powerpc-gfxopt.
3747
3748 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3749
3750         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3751         if the bitsize is zero.
3752         * doc/md.texi (Standard Pattern Names): Document it.
3753
3754         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3755         (TARGET_PASS_BY_REFERENCE): Likewise.
3756
3757 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3758
3759         PR rtl-optimization/24683
3760         * config/i386/i386.c (legitimize_pic_address): If constant operand
3761         to PLUS is too large, put it in a register.
3762
3763 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3764
3765         * configure.ac: Enable checking assembler dwarf2 support for bfin
3766         target.
3767         * configure: Regenerate.
3768
3769 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3770
3771         PR target/24230
3772
3773         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3774         gen_easy_vector_constant_add_self): Delete.
3775         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3776         New.
3777         (output_vec_const_move): Use gen_easy_altivec_constant.
3778         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3779         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3780         (easy_vector_constant_add_self): Rewritten.
3781         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3782         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3783         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3784         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3785         Macroize and adjust for the other changes.
3786
3787 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3788
3789         PR c/24599
3790
3791         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3792         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3793
3794 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3795
3796         PR rtl-optimization/23567
3797         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3798         (noce_process_if_block): Don't do any optimizations except
3799         if (cond) x = x; if !set_b and write into orig_x may trap
3800         or fault.  Remove the MEM_READONLY_P check.
3801
3802 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3803
3804         PR 24670
3805         * tree-vrp.c (fix_equivalence_set): New.
3806         (extract_range_from_assert): Call it.
3807
3808 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3809
3810         PR target/22432
3811         * combine.c (apply_distributive_law): Don't distribute across a
3812         vector mode subreg.
3813
3814 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3815
3816         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3817         config/ms1/ms1.h, config/rs6000/predicates.md,
3818         config/s390/s390.c, params.def, postreload-gcse.c,
3819         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3820         tree-vrp.c, tree.c: Fix comment typos.
3821         * doc/invoke.texi: Fix typos.
3822
3823 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3824
3825         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3826         for testing whether the data_dependence_relation contains distance
3827         vectors.  Iterate over all distance vectors of the ddr.
3828         * lambda.h: Define a vec of lambda_vector pointers.
3829         * tree-data-ref.c (dump_data_dependence_relation,
3830         dump_data_dependence_direction): Iterate over all distance and
3831         direction vectors of the ddr.
3832         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3833         DDR_DIST_VECTS.
3834         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3835         of distance/direction vectors instead of a single one.
3836         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3837         lambda_vectors with a vec of lambda_vectors.
3838         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3839         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3840         DDR_NUM_DIST_VECTS): New.
3841         * tree-loop-linear.c (gather_interchange_stats): Test for the
3842         existence of distance vectors only after having checked that there
3843         is a dependence.  Iterate over all distance vectors of the ddr.
3844         (linear_transform_loops): Use dump_data_dependence_relation.
3845         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3846         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3847         distance vectors of the ddr.
3848
3849 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3850
3851         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3852         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3853         IS_INTHANDLER; all callers changed.
3854         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3855         account.
3856         (do_link, do_unlink): New argument ALL; all callers changed.
3857         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3858         If function isn't leaf, save and restore all registers.
3859         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3860         exception handler.
3861
3862 2005-11-05  Jan Hubicka  <jh@suse.cz>
3863
3864         PR rtl-optimization/23490
3865         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3866         max-flow-memory-location): Document.
3867         * flow.c: Include params.h
3868         (MAX_MEM_SET_LIST_LEN): Kill.
3869         (add_to_mem_set_list): Use new param.
3870         * cse.c (cse_basic_block): Replace 1000 by new param.
3871         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3872         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3873         * predict.c (predict_loops): Use new param.
3874         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3875
3876         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3877         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3878         Do not hold memory returned by cgraph_node_name across other call.
3879
3880 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3881
3882         PR target/23424
3883         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3884         Disable.
3885
3886 2005-11-04  Jeff Law  <law@redhat.com>
3887
3888         PR/21883
3889         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3890         * tree-ssa-dom.c: Include params.h.
3891         (thread_across_edge): If there are too many statements in the
3892         target block, then do not thread through it.
3893         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3894         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3895
3896 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3897
3898         PR 24627
3899         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3900         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3901
3902 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3903
3904         PR/18595
3905         * tree-scalar-evolution.c (instantiate_parameters_1,
3906         instantiate_parameters, resolve_mixers): Compute the size of an
3907         expression to be instantiated and give up the instantiation if the
3908         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3909
3910 2005-11-04  Richard Guenther  <rguenther@suse.de>
3911
3912         * tree-flow.h (ref_contains_indirect_ref): Rename to
3913         array_ref_contains_indirect_ref.
3914         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3915         (array_ref_contains_indirect_ref): Make comment match the code
3916         and vice-versa.
3917         (ref_contains_array_ref): Likewise.
3918         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3919         ref_contains_indirect_ref.
3920         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3921         Rename calls to ref_contains_indirect_ref.
3922
3923 2005-11-04 Paul Brook  <paul@codesourcery.com>
3924
3925         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3926         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3927         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3928         * config/arm/arm.md: Use match_operand in peephole input templates
3929         and match_dup in peephole output templates.
3930
3931 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3932
3933         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3934         __aeabi_uidiv.
3935
3936 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3937             Daniel Jacobowitz  <dan@codesourcery.com>
3938
3939         * longlong.h (add_ssaaaa): Clobber condition code register
3940         in ARM version.
3941         (sub_ddmmss): Likewise.
3942         (umul_ppmm): Likewise.
3943
3944 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3945             Paul Brook  <paul@codesourcery.com>
3946             Phil Blundell  <pb@reciva.com>
3947
3948         * configure.ac: Add test for ARM TLS support.
3949         * configure: Regenerated.
3950         * config/arm/arm-protos.h (legitimize_tls_address)
3951         (arm_tls_referenced_p, tls_mentioned_p)
3952         (arm_output_addr_const_extra): New prototypes.
3953         (thumb_legitimize_pic_address): Delete.
3954         * config/arm/arm.c: Include "gt-arm.h".
3955         (enum tls_reloc): New.
3956         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3957         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3958         (arm_call_tls_get_addr, legitimize_tls_address)
3959         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3960         (arm_init_tls_builtins, arm_emit_tls_decoration)
3961         (arm_output_addr_const_extra): New functions.
3962         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3963         (TARGET_HAVE_TLS): Define.
3964         (target_thread_pointer): New.
3965         (arm_override_options): Handle -mtp=.
3966         (legitimize_pic_address): Ignore UNSPECs.
3967         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3968         relative symbols.
3969         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3970         (tls_get_addr_libfunc): New variable.
3971         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3972         (arm_init_builtins): Call arm_init_tls_builtins.
3973         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3974         (arm_encode_section_info): Call default_encode_section_info.
3975         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3976         (enum arm_tp_type): New.
3977         (target_thread_pointer): Add declaration.
3978         (LEGITIMATE_CONSTANT_P): Handle TLS.
3979         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3980         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3981         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3982         * config/arm/arm.md: Add UNSPEC_TLS.
3983         (movsi): Handle TLS.
3984         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3985         non-PIC.
3986         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3987         (load_tp_hard, load_tp_soft): New insns.
3988         * arm.opt: Add -mtp=.
3989         * doc/invoke.texi (ARM Options): Document -mtp.
3990
3991 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3992
3993         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3994         * config/arm/libunwind.S: Include "lib1funcs.asm".
3995         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3996         (LIB2ADDEH): Add libunwind.S.
3997         (LIB2ADDEHDEP): Add lib1funcs.asm.
3998         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3999
4000 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4001
4002         PR fortran/18452
4003         * gcc/c.opt: Add a -lang-fortran option.
4004         * gcc/c-opts.c: Add a lang_fortran flag.
4005         (c_common_init_options): Handling the -lang-fortran option.
4006         (c_common_handle_option): Add a case for Fortran options in
4007         preprocessing. Remove cases for -ffixed-form and
4008         -ffixed-line-length. Add a case for -lang-fortran.
4009
4010 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4011
4012         * config/rs6000/rs6000.c: Include params.h
4013         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4014         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4015         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4016         (UNSPEC_VPKUWSS): Delete.
4017         (altivec_vpkuhss): Delete.
4018         (altivec_vpkuwss): Delete.
4019         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4020         final condition.
4021         (neg_eq0<mode>): Remove final condition.
4022         (neg_eq<mode>): Remove condition and split-condition.
4023
4024 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4025
4026         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4027         Use associated print macros.
4028
4029 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4030
4031         PR c++/17964
4032         * diagnostic.c (diagnostic_set_info_translated): New function.
4033         (diagnostic_set_info): Use it.  Add comment.
4034         * diagnostic.h (diagnostic_set_info_translated): Declare.
4035
4036 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4037
4038         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4039         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4040         reference only if 'public' is true.
4041         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4042         emit the .hidden directive only if the indirect reference is public.
4043         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4044         Pass it to dw2_force_const_mem.
4045         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4046         * dwarf2out.c (output_cfi): Adjust calls to above function.
4047         (output_call_frame_info): Likewise.
4048         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4049         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4050
4051 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4052
4053         PR tree-optimization/24483
4054         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4055         field to elts if possible.
4056
4057 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4058
4059         PR middle-end/23155
4060         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4061         CONSTRUCTOR.
4062
4063 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4064
4065         Fix PR tree-optimization/24351
4066
4067         * tree-ssa-structalias.c (struct variable_info): Add
4068         collapsed_into.
4069         (get_varinfo_fc): New function to follow collapsing.
4070         (new_var_info): Set collapsed_to to NULL.
4071         (dump_constraint): Follow collapsing.
4072         (build_constraint_graph): Handle collapsing.
4073         (do_simple_structure_copy): Return false if something bad
4074         happened.
4075         (collapse_rest_of_var): New function.
4076         (do_structure_copy): Collapse if do_simple_structure_copy returns
4077         false.
4078
4079 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4080
4081         PR middle-end/24589
4082         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4083         expressions to a statement list instead of gimplifying them.
4084
4085 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4086
4087         PR rtl-optimization/23585
4088         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4089         that can't trap plus a constant integer, if the mode has zero size.
4090
4091 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4092
4093         PR target/24620
4094         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4095         as operand 2.
4096         ("*insv<mode>_reg_extimm"): Likewise.
4097
4098 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4099
4100         PR c/24329
4101         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4102         c_common_type_for_mode returns an unnamed type.
4103
4104 2005-11-02  Richard Henderson  <rth@redhat.com>
4105
4106         PR target/9350
4107         PR target/24374
4108         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4109         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4110         * function.c (assign_parms): Use calls.internal_arg_pointer.
4111         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4112         code.
4113         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4114         (TARGET_CALLS): Add it.
4115         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4116         * targhooks.c (default_internal_arg_pointer): New.
4117         * targhooks.h (default_internal_arg_pointer): Declare.
4118         * tree.h (dwarf2out_reg_save_reg): Declare.
4119         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4120         * config/i386/i386.c (dbx_register_map): Add return column.
4121         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4122         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4123         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4124         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4125         (ix86_save_reg): Save force_align_arg_pointer.
4126         (ix86_emit_save_regs): Make regno unsigned.
4127         (ix86_emit_save_regs_using_mov): Likewise.
4128         (ix86_expand_prologue): Handle force_align_arg_pointer.
4129         (ix86_expand_epilogue): Likewise.
4130         * config/i386/i386.h: (dbx_register_map): Update.
4131         (dbx64_register_map, svr4_dbx_register_map): Update.
4132         (struct machine_function): Add force_align_arg_pointer.
4133         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4134         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4135         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4136
4137 2005-11-02  Jan Hubicka  <jh@suse.cz>
4138
4139         PR target/23303
4140         * i386.md: Add peep2 for simplyfing array accesses.
4141
4142 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4143
4144         PR target/24615
4145         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4146         * config/s390/s390.c (s390_decompose_shift_count): New function.
4147         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4148         (print_shift_count_operand): Use s390_decompose_shift_count.
4149         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4150         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4151
4152 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4153
4154         PR target/24600
4155         * loop.c (loop_givs_rescan): Use force_operand to expand
4156         complex GIVs.
4157
4158 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4159
4160         PR 22429
4161         * fold-const.c (build_range_check): Use unsigned when signed
4162         overflow is undefined also.  If etype is subtype, make sure that
4163         the subtraction is in the supertype.
4164
4165 2005-11-02  Richard Henderson  <rth@redhat.com>
4166
4167         PR target/24178
4168         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4169         by MEM_ALIGN.
4170
4171 2005-11-01  Richard Henderson  <rth@redhat.com>
4172
4173         PR 21518
4174         * loop.c (scan_loop): Do not propagate computations to a hard
4175         register destination with SMALL_REGISTER_CLASSES.
4176
4177 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4178
4179         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4180         costs for MULT inside PLUS or MINUS.
4181
4182 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4183
4184         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4185         (TRAMPOLINE_SIZE): Round up to 60.
4186         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4187
4188 2005-10-31  James E. Wilson  <wilson@specifix.com>
4189
4190         PR debug/24444
4191         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4192         ifdef.  Put ifdefs around call in gen_subprogram_die.
4193         (compute_frame_pointer_to_cfa_displacement): Likewise.
4194         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4195         not defined.
4196
4197         PR rtl-optimization/17356
4198         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4199         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4200
4201 2005-10-31  Jan Hubicka  <jh@suse.cz>
4202
4203         PR middle-end/24093
4204         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4205
4206         PR target/20928
4207         * i386.c (legitimize_pic_address): Deal with large immediates.
4208
4209         PR profile/20815
4210         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4211         from symbol names while computing checkup.
4212
4213         PR profile/24487
4214         * predict.c (predict_loops): Do not estimate more than
4215         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4216         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4217
4218 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4219
4220         PR tree-optimization/19097
4221         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4222
4223 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4224
4225         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4226
4227 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4228
4229         PR middle-end/23492
4230         * tree-inline.c (setup_one_parameter): If the init_stmt
4231         is NULL, don't insert the statement.
4232
4233 2005-10-30  Jan Hubicka  <jh@suse.cz>
4234
4235         PR tree-optimization/24172
4236         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4237
4238 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4239
4240         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4241         constants for hosts with long != 32 bits.
4242
4243 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4244
4245         PR middle-end/24093
4246         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4247
4248 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4249
4250         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4251         (TARGET_MS1_16_002): New.
4252         (TARGET_MS1_16_003): New.
4253
4254         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4255         ("*decrement_and_branch_until_zero_no_clobber"): New.
4256         Add corresponding splitter for decrement_and_branch_until_zero
4257         instruction.
4258         Key all decrement_and_branch_until_zero patterns off of
4259         TARGET_MS1_16_003.
4260
4261 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4262
4263         PR middle-end/24362
4264         * tree-complex.c (extract_component): Treat RESULT_DECL
4265         like the rest of the decls.
4266
4267 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4268
4269         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4270         indirect call to _mcount if the function needs a static chain.
4271
4272 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4273             Caroline Tice  <ctice@apple.com>
4274
4275         PR rtl-optimization/24460
4276         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4277         (dwarf2out_switch_text_section): Set it to true instead of
4278         incrementing separate_line_info_table_in_use.
4279         (output_loc_list): Additionally test have_switched_text_sections.
4280         (output_ranges): Likewise.
4281         (dwarf2out_finish): Likewise.
4282         * varasm.c (assemble_start_function): Do not call
4283         insert_section_boundary_note.
4284         (assemble_end_function): If flag_reorder_blocks_and_partition,
4285         switch to the function's section before emitting the .size directive.
4286         * bb-reorder.c (insert_section_boundary_note): Staticify.
4287         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4288         * output.h (insert_section_boundary_note): Delete.
4289
4290 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4291
4292         PR c/23103
4293         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4294         instead of pointer equality when comparing types.
4295
4296 2005-10-24  James E. Wilson  <wilson@specifix.com>
4297
4298         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4299         add_dependence_list_and_free calls.
4300
4301 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4302
4303         * contrib.texi: Add the names of the LLNL folks who donated
4304         Cray pointer support for gfortran.
4305
4306 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4307
4308         PR tree-optimization/24225
4309         * profile.c (branch_prob): Look from end to start through a
4310         basic block when looking for a locus.
4311
4312 2005-10-24  Richard Henderson  <rth@redhat.com>
4313
4314         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4315         parallel.
4316         (hppa_expand_prologue): Likewise.
4317
4318 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4319
4320         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4321         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4322         * pa.h (NO_PROFILE_COUNTERS): Define.
4323         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4324         (funcdef_nos): New vector to hold label numbers of deferred profile
4325         counters.
4326         (output_deferred_profile_counters): New function.
4327         (hppa_profile_hook): Push label number onto funcdef_nos.
4328         (pa_hpux_file_end): Call output_deferred_profile_counters if
4329         NO_DEFERRED_PROFILE_COUNTERS is false.
4330
4331         * pa-protos.h (get_deferred_plabel): New prototype.
4332         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4333         Make global.
4334         (output_call): Adjust calls.
4335
4336 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4337
4338         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4339         peculiarity of GOT/TOC section usage.
4340
4341 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4342
4343         PR objc/24435
4344          * c-common.c (constant_string_class_name): Add documentation.
4345
4346 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4347
4348         PR target/23832
4349         * recog.c (peephole2_optimize): Increment peep2_current_count
4350         only when the slot is empty.
4351
4352 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4353
4354         PR ada/23957
4355         * except.c (output_function_exception_table): Call
4356         assemble_external_libcall if we need a personality function.
4357
4358 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4359
4360         PR rtl-optimization/24460
4361         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4362         set the basic block for barriers.
4363
4364 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4365
4366         * var-tracking.c (vt_initialize): Initialize post.
4367
4368 2005-10-21  Devang Patel  <dpatel@apple.com>
4369
4370         PR/24220
4371         * c-common.c (vector_types_convertible_p): Check vector element type.
4372
4373 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4374
4375         * config/sh/sh.c (prepare_move_operands): Handle the address
4376         constant which is a tls symbolic address plus a constant.
4377
4378 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4379
4380         PR driver/24473
4381         * gcc.c (main): Use the correct counter for erroring out
4382         about mulitple files.
4383
4384 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4385
4386         PR target/24465
4387         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4388         use r2 for 64-bit tls .got access.
4389
4390 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4391
4392         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4393         TRUTH_OR_EXPR.
4394
4395 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4396
4397         PR tree-optimization/24307
4398         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4399
4400 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4401
4402         PR middle-end/24295
4403         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4404         alias targets.
4405         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4406         is ready, stop marking functions, but still mark variables.
4407
4408 2005-10-20  Richard Guenther  <rguenther@suse.de>
4409
4410         PR c++/24439
4411         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4412         void type operands.
4413
4414 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4415
4416         PR rtl-optimization/23585
4417         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4418         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4419         (may_trap_p_1): New predicate extracted from...
4420         (may_trap_p): ... here.  Invoke may_trap_p_1.
4421         (may_trap_or_fault_p): New predicate.
4422         * rtl.h (may_trap_or_fault_p): Declare it.
4423         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4424         instead of may_trap_p.
4425         (steal_delay_list_from_fallthrough): Likewise.
4426         (fill_simple_delay_slots): Likewise.
4427         (fill_slots_from_thread): Likewise.
4428         * function.c (pad_to_arg_alignment): Rework comment about
4429         SPARC_STACK_BOUNDARY_HACK.
4430         * config/sparc/sparc.h: Likewise.
4431
4432 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4433
4434         * config/s390/s390.c (s390_expand_insv): New.
4435         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4436         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4437         ("icm_hi"): Remove mode attribute.
4438         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4439         Adjust all uses.
4440         ("*extracthi", "*extractqi"): Remove.
4441         (extv<mode>", "*extzv<mode>"): New.
4442         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4443         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4444
4445 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4446
4447         * cfgexpand.c (discover_nonconstant_array_refs_r,
4448         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4449         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4450         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4451         discover_nonconstant_array_refs.
4452
4453 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4454
4455         PR c/23228
4456         * c-decl.c (pop_scope): Don't warn about an unused variable
4457         if it is marked with TREE_NO_WARNING.
4458         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4459         somenow mismatch and olddecl is to be replaced.
4460
4461 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4462
4463         PR middle-end/23199
4464         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4465         whether registers live on the edge can be saved/restored.
4466
4467 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4468
4469         * config/sh/sh.c (fixup_mova): Skip notes.
4470
4471 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4472
4473         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4474         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4475         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4476         (s390_initial_elimination_offset): Likewise.
4477         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4478         register on TARGET_ZARCH targets.
4479         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4480         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4481         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4482         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4483
4484 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4485
4486         * config/s390/s390.md: Comment describing output modifiers updated.
4487         * config/s390/s390.c (print_operand): Likewise.
4488
4489 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4490
4491         * config/s390/s390.c (override_options): Added check for -mstack-size
4492         64k limitation.
4493         * doc/invoke.texi: Mention that limit in the documenation.
4494
4495 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4496
4497         PR #19672
4498         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4499
4500 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4501
4502         Fix PR tree-optimization/24231
4503
4504         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4505         (compute_avail): Ditto.
4506
4507 2005-10-18  Richard Henderson  <rth@redhat.com>
4508
4509         PR target/24428
4510         * config/i386/i386.c (legitimate_constant_p): Check
4511         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4512         if LABEL_REF.
4513         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4514         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4515         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4516         directly.
4517         (print_operand_address): Likewise.
4518         * config/i386/predicates.md (x86_64_immediate_operand): Test
4519         SYMBOL_REF_TLS_MODEL properly inside CONST.
4520         (x86_64_zext_immediate_operand): Likewise.
4521         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4522         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4523         * config/i386/i386-protos.h: Remove predicates.md entries.
4524
4525 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4526
4527         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4528         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4529
4530 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4531             Ian Lance Taylor <ian@airs.com>
4532
4533         PR middle-end/23522
4534         * fold-const.c (fold_widened_comparison): Do not allow range based
4535         constant folding when right operand cannot be unwidened.
4536
4537 2005-10-17  Richard Henderson  <rth@redhat.com>
4538
4539         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4540         with a memory clobber.
4541
4542 2005-10-17  James E Wilson  <wilson@specifix.com>
4543
4544         PR rtl-optimization/17356
4545         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4546         checking for EDGE_EH.
4547
4548 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4549
4550         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4551         the slot on an even boundary for any type with 16-byte alignment.
4552
4553 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4554
4555         PR target/23424
4556         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4557         after register allocation.
4558
4559 2005-10-17  DJ Delorie  <dj@redhat.com>
4560
4561         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4562         as frame related.
4563
4564 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4565
4566         PR c++/22551
4567         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4568         overflow flags.
4569
4570 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4571
4572         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4573         to 2 if it's already non-zero.
4574         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4575         is set and warn about it if flag_schedule_insns is 1.
4576
4577 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4578
4579         * config/crx/crx.md: Compare-and-branch instructions need to
4580         invalidate CC.
4581
4582 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4583
4584         PR target/24315
4585         * config/i386/i386.md (*pushdi2_rex64 splitter)
4586         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4587         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4588         flow2 pass only when (optimize > 0 && flag_peephole2).
4589
4590 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4591
4592         PR driver/22544
4593         * gcc.c (have_c): New static variable.
4594         (have_o): Likewise.
4595         (process_command): Remove declation of have_c.
4596         Set have_o to 1 when handling -o.
4597         (main): Add a fatel error if there are multiple
4598         files specified and -o and -c/-S is passed witout
4599         -combine or multiple languages.
4600
4601 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4602
4603         Fix PR tree-optimization/22444
4604         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4605         Assert that we don't hit something with subvars.
4606         (setup_pointers_and_addressables): Don't add things with subvars,
4607         because we'll already process the subvars for aliasing purposes.
4608
4609 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4610
4611         PR target/23424
4612         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4613         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4614         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4615         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4616         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4617         swapped, alternatives for the R constraint.
4618
4619         PR middle-end/24341
4620         * builtins.c (get_builtin_sync_mode): Make unlimited
4621         mode_for_size request.
4622
4623 2005-10-15  Richard Henderson  <rth@redhat.com>
4624
4625         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4626         (gimplify_expr): ... here.
4627         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4628         fb_lvalue in base expression.
4629
4630 2005-10-15  Richard Henderson  <rth@redhat.com>
4631
4632         PR 23714
4633         * builtins.c (expand_builtin_trap): Export.
4634         * expr.h (expand_builtin_trap): Declare.
4635         * expr.c (expand_assignment): Emit a trap for integral offsets
4636         from registers that weren't reduced to bitpos.
4637
4638         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4639         (mark_array_ref_addressable): Remove.
4640         * tree-flow.h (mark_array_ref_addressable): Remove.
4641         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4642
4643 2005-10-15  James E Wilson  <wilson@specifix.com>
4644
4645         PR target/24232
4646         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4647         (add_dependence_list_and_free): Likewise.
4648         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4649         call.
4650
4651 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4652
4653         PR 23141
4654         PR 23142
4655         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4656         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4657         anti-range.
4658         (vrp_visit_phi_node): Only prevent infinite iterations when
4659         the previous result and the new result are both VR_RANGEs.
4660
4661 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4662
4663         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4664         function comment.
4665
4666 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4667
4668         PR c/23439
4669         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4670         to initialize loc.
4671
4672 2005-10-14  Per Bothner  <per@bothner.com>
4673
4674         PR preprocessor/21250
4675         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4676
4677 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4678
4679         PR c++/22551
4680         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4681         overflow flags.  Refactor some conditionals.
4682
4683 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4684
4685         PR tree-opt/21304
4686         * tree-dfa.c (add_referenced_var): Only look at decls which
4687         have TREE_CONSTANT or TREE_READONLY set instead of if
4688         !TREE_PUBLIC or !TREE_CONSTANT.
4689
4690 2005-10-13  James E Wilson  <wilson@specifix.com>
4691
4692         * doc/invoke.texi: For -x, add f95-cpp-input.
4693         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4694
4695 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4696
4697         PR tree-optimization/24262
4698         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4699         in loop all the time.
4700
4701 2005-10-12  Richard Henderson  <rth@redhat.com>
4702
4703         PR c/24255
4704         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4705         * function.c (assign_parm_find_data_types): Don't support it.
4706         * print-tree.c (print_node): Likewise.
4707         * c-common.c (handle_transparent_union_attribute): Likewise.
4708         Use build_duplicate_type.
4709         * tree-inline.c (remap_type_1): Split out of remap_type;
4710         properly remap aggregate fields.
4711         (build_duplicate_type): New.
4712         * doc/extend.texi (Variable Attributes): Remove documentation
4713         for transparent_union.
4714
4715 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4716
4717         PR target/24284
4718         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4719         (gen_stack_pointer_dec): Likewise.
4720
4721 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4722
4723         PR middle-end/21275
4724         PR middle-end/21766
4725         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4726         target hook.
4727         (struct cxx): Add adjust_class_at_definition target hook.
4728         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4729         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4730         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4731         hook_void_tree. Add to TARGET_CXX.
4732         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4733         dllimport_flag.
4734         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4735         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4736         instead of attribute. Check for dllexport override.  Warn if
4737         inconsistent dll linkage. Don't lose old dllimport if decl has
4738         had address referenced.   Tweak lookup of dllimport atribute.
4739         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4740         for target specific rules.  Don't add dllimport attribute if
4741         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4742         dllimport attribute.
4743         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4744         * varasm.c (initializer_constant_valid_p): Replace
4745         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4746
4747         PR target/21801
4748         PR target/23589
4749         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4750         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4751         (i[34567]86-*-mingw32*): Likewise.
4752
4753         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4754         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4755
4756         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4757         C++-specific code. Change return value to bool.
4758         (i386_pe_dllimport_p): Likewise.
4759         (associated_type): Simplify and make language-independent
4760         (i386_pe_encode_section_info): Replace override of ambiguous
4761         dllimport symbol refs with a gcc_assert.
4762         (i386_pe_valid_dllimport_attribute_p): Define.
4763         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4764         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4765         i386_pe_adjust_class_at_definition.
4766         * config/i386/winnt-stubs.c: New file. Define stub versions of
4767         lang-specific functions.
4768         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4769         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4770         i386_pe_adjust_class_at_definition.
4771         (i386_pe_valid_dllimport_attribute_p): Declare.
4772         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4773         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4774         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4775
4776         PR target/19704
4777         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4778         dllimport attribute with test of DECL_DLLIMPORT_P.
4779
4780 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4781
4782         * combine.c (make_extraction): Correct offset computation.
4783
4784 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4785
4786         * config/cris/t-linux (LIMITS_H_TEST): Define.
4787
4788 2005-10-12  Richard Henderson  <rth@redhat.com>
4789
4790         PR rtl-opt/23324
4791         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4792
4793 2005-10-12  Richard Guenther  <rguenther@suse.de>
4794
4795         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4796
4797 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4798
4799         PR c++/19964
4800         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4801         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4802         type.
4803
4804 2005-10-12  Richard Guenther  <rguenther@suse.de>
4805
4806         PR c++/23799
4807         * varasm.c (output_constant): Correct typo from previous
4808         patch by DJ.
4809
4810 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4811
4812         PR rtl-optimization/13931
4813         * combine.c: Revert patch of 2003-05-14, and:
4814         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4815         completely killed in the appropriate insn.
4816         (distribute_notes): Don't skip multiple hard register test for
4817         elim_i1 and elim_i2.
4818
4819 2005-10-11  Richard Henderson  <rth@redhat.com>
4820
4821         PR c/24255
4822         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4823         to initialize a transparent union instead of a nop_expr.
4824
4825 2005-10-11  Richard Henderson  <rth@redhat.com>
4826
4827         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4828         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4829         (tree_ssa_dce_loop): Call scev_reset.
4830
4831         PR tree-opt/24300
4832         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4833         * tree-ssa-dce.c: Include cfgloop.h.
4834         (tree_ssa_dce_loop, pass_dce_loop): New.
4835         * tree-pass.h (pass_dce_loop): Declare it.
4836         * passes.c (init_optimization_passes): Use it.
4837
4838 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4839
4840         PR middle-end/24263
4841         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4842         Only apply the optimization for rounding builtins if the inner
4843         cast is also an extension.
4844
4845 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4846
4847         PR tree-opt/23946
4848         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4849         mark_new_vars_to_rename instead of update_stmt.
4850
4851 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4852
4853         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4854
4855 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4856
4857         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4858         for setting MMX register to 0 rather than mmx.
4859
4860 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4861
4862         PR target/12098
4863         * configure.ac: Move gas check from mips specific case to common case.
4864         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4865         * configure: Regenerate
4866         * doc/install.texi: Update.
4867
4868 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4869
4870         PR target/24284
4871         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4872
4873 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4874
4875         * gcc.c (do_spec_1): Accept numeric characters in file name
4876         suffixes.
4877
4878 2005-10-10  Nick Clifton  <nickc@redhat.com>
4879
4880         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4881         describing the deleted arm_gen_rotated_half_load function.
4882
4883 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4884
4885         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4886         __fpscr_values.
4887
4888 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4889
4890         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4891         gnu_ld assignments.
4892         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4893         (EXTRA_MULTILIB_PARTS): Define.
4894         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4895         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4896         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4897         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4898         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4899         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4900
4901 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4902
4903         PR tree-optimization/24226
4904         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4905         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4906         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4907         Export.
4908
4909 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4910
4911         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4912
4913 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4914
4915         PR target/24136
4916         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4917         Rewrite for no need for the early clobber.
4918
4919 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4920
4921         Merge from csl-arm-branch:
4922         2005-09-07  Paul Brook  <paul@codesourcery.com>
4923         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4924         space to string.
4925
4926         2005-04-30  Paul Brook  <paul@codesourcery.com>
4927         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4928         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4929
4930         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4931         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4932         (arm_override_options): Use TARGET_AAPCS_BASED.
4933         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4934         (PTRDIFF_TYPE): Use int for AAPCS.
4935         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4936         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4937         (DEFAULT_SHORT_ENUMS): Delete.
4938         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4939
4940         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4941         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4942         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4943         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4944
4945         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4946         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4947
4948         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4949         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4950
4951         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4952         * config.gcc (arm*-*-linux-gnueabi): Add it.
4953         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4954         redefining it.
4955         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4956         * config/arm/linux-eabi.h: New file.
4957         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4958         (LINUX_TARET_LINK_SPEC): Likewise.
4959         (LINK_SPEC): Use it.
4960         * config/arm/t-linux-eabi: New file.
4961
4962 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4963
4964         PR other/22202
4965         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4966         spaces.
4967         (PARAM_SMS_DFA_HISTORY): Likewise.
4968
4969 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4970
4971         PR middle-end/23150
4972         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4973         (load_register_parameters): Call it.
4974         (check_sibcall_argument_overlap_1): Likewise.
4975         (store_one_arg): Likewise.
4976
4977 2005-10-07  James E. Wilson  <wilson@specifix.com>
4978
4979         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4980         DImode not VECINT24 for operand 2.
4981
4982         PR target/23644
4983         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4984         -mtune-arch.
4985
4986         PR target/24193
4987         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4988         fr_spill): Use destination_operand for operand 0.
4989
4990 2005-10-07  DJ Delorie  <dj@redhat.com>
4991
4992         * varasm.c (output_constant): Limit error to expanding
4993         conversions.
4994
4995 2005-10-07  Richard Guenther  <rguenther@suse.de>
4996
4997         PR middle-end/24227
4998         * fold-const.c (fold_binary): Fix operand types during folding
4999         of X op (A, Y).  Evaluation order of the side-effects of
5000         X and A are frontend-defined, so ensure we honour that even for
5001         tcc_comparison class operands; eased by removing duplicate code.
5002
5003 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5004
5005         * stor-layout.c (layout_type): Do not allow alignment of array
5006         elements to be greater than their size.
5007
5008 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5009
5010         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5011         host_xmake_file.
5012         (hppa*-*-linux*): Ditto.
5013         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5014         * config/host-hpux.c: New.
5015         * config/x-hpux: New.
5016         * config/pa/x-hpux: Remove.
5017         * config/pa/x-linux: Remove.
5018         * config/pa/pa-host.c: Remove.
5019
5020 2005-10-07  Jeff Law  <law@redhat.com>
5021
5022         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5023         determine whether or not to try and thread outgoing edges.
5024
5025 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5026
5027         * config/rs6000/rs6000.md (eqsi_power): New.
5028         (neg_eq0si): Add TARGET_POWER to final condition.
5029         (neg_eqsi): Same.
5030
5031 2005-10-06  Richard Henderson  <rth@redhat.com>
5032
5033         * config/rs6000/rs6000.c: Revert last change.
5034
5035 2005-10-06  Richard Henderson  <rth@redhat.com>
5036
5037         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5038         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5039
5040 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5041
5042         PR middle-end/22216
5043         PR middle-end/23651
5044         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5045         out return_label and naked_return_label.
5046
5047 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5048
5049         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5050         change.
5051
5052 2005-10-06  Richard Henderson  <rth@redhat.com>
5053
5054         PR tree-opt/22237
5055         * tree-inline.c (declare_return_variable): Handle modify_dest not
5056         being a DECL.
5057
5058 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5059
5060         Fix PR tree-optimization/22488
5061         * tree-ssa-structalias.c (check_for_overlaps): New function.
5062         (create_variable_info_for): Use it.
5063
5064 2005-10-06  Richard Henderson  <rth@redhat.com>
5065
5066         PR debug/24070
5067         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5068         (dwarf2out_start_source_file): Print it.
5069
5070 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5071
5072         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5073
5074 2005-10-06  Richard Henderson  <rth@redhat.com>
5075
5076         PR 23706
5077         * mode-switching.c (optimize_mode_switching): Clear transp bit
5078         for block with incomming abnormal edges.
5079
5080         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5081         (fpscr_set_from_mem): Use them.
5082         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5083         (fpscr postinc splitters): Rewrite as peephole2+split.
5084
5085 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5086
5087         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5088         (eq<mode>_compare): Same.
5089
5090 2005-10-06  Richard Guenther  <rguenther@suse.de>
5091
5092         PR tree-optimization/24238
5093         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5094
5095 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5096
5097         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5098         here.  Use AC_PATH_PROG for environment variables instead of
5099         test -x.
5100         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5101         objdump also.
5102         * configure: Regenerated.
5103
5104 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5105
5106         PR target/23783
5107         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5108         then force it into a register.
5109         (call_value): Likewise.
5110
5111 2005-10-06  Richard Henderson  <rth@redhat.com>
5112
5113         PR 24049
5114         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5115         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5116         under pass_vectorize.
5117
5118 2005-10-05  Devang Patel  <dpatel@apple.com>
5119
5120         PR Debug/23205
5121         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5122         handling constants. Check NAMESPACE_DECL context for constants.
5123
5124 2005-10-05  Eric Christopher  <echristo@apple.com>
5125
5126         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5127
5128 2005-10-05  Richard Henderson  <rth@redhat.com>
5129
5130         PR 23714
5131         * tree-cfg.c (mark_array_ref_addressable_1): New.
5132         (mark_array_ref_addressable): New.
5133         * tree-flow.h (mark_array_ref_addressable): Declare.
5134         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5135
5136 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5137
5138         PR middle-end/20606
5139         PR middle-end/24069
5140         * reload.c (subst_reloads): When adding a REG_LABEL to a
5141         jump instruction, also update JUMP_LABEL.
5142
5143 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5144
5145         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5146         * bb-reorder.c (copy_bb_p): Use it.
5147         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5148
5149 2005-10-05  Richard Henderson  <rth@redhat.com>
5150
5151         PR target/23602
5152         * toplev.c (process_options): Warn about unsupported combinations
5153         of unwind tables and omit-frame-pointer.
5154         * config/i386/i386.c (override_options): Similarly.  Enable
5155         accumulate-outgoing-args if not explicitly disabled.
5156
5157 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5158
5159         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5160         Handle big endian vs. small endian.
5161         (vec_initv2sf): Handle big endian vs. small endian.
5162         (*vec_extractv2sf_1): Ditto.
5163
5164 2005-10-05  Dale Johannesen  <dalej@apple.com>
5165
5166         * convert.c (convert_to_real):  Don't convert
5167         (float)floor(double d) to floorf((float)d).
5168
5169 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5170
5171         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5172
5173 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5174
5175         PR tree-optimization/18587
5176         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5177         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5178         build_vuses): Change to VEC type.
5179         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5180         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5181         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5182         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5183         (get_name_decl): New.  Return DECL_UID of base variable.
5184         (operand_build_cmp): New.  qsort comparison routine.
5185         (operand_build_sort_virtual): New.  Sort virtual build vector.
5186         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5187         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5188         (FINALIZE_BASE): Use get_name_decl.
5189         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5190         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5191         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5192         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5193         direct VEC_* manipulations.
5194         (build_ssa_operands): Call operand_build_sort_virtual.
5195         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5196         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5197         with direct VEC_* manipulations.
5198         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5199         with direct VEC manipulations.
5200
5201 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5202
5203         PR tree-optimization/21419
5204         PR tree-optimization/24146
5205         PR tree-optimization/24151
5206
5207         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5208         (build_asm_expr): Call it if outputs are read-only.
5209         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5210
5211 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5212             Paolo Bonzini  <bonzini@gnu.org>
5213
5214         PR target/23809
5215
5216         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5217         enable the instructions and not just the built-ins.
5218         * doc/invoke.texi (x86 Options): Likewise.
5219
5220 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5221
5222         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5223
5224         * doc/invoke.texi (Option Summary): Correct spelling
5225         of -mmacosx-version-min.
5226
5227 2005-10-04  Devang Patel  <dpatel@apple.com>
5228
5229         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5230         real types.
5231
5232 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5233
5234         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5235         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5236
5237 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5238
5239         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5240         ("TE","tg"): New mode attributes.
5241         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5242         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5243         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5244         dword_mode and one for GPRmode.
5245
5246 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5247
5248         PR preprocessor/13726
5249         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5250         any comments passed in.
5251
5252 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5253
5254         * tree.c (annotate_with_file_line): Fix typo.
5255
5256 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5257
5258         PR ada/19382
5259         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5260         type used to access data in the inlined length == 1 case, use
5261         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5262         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5263
5264 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5265
5266         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5267         TARGET_SSE3 and only for TARGET_80387.
5268         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5269         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5270         Do not depend on TARGET_80387.
5271
5272 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5273
5274         * tree.c (last_annotated_node): Change type to location_t*.
5275         (annotate_with_file_line): Reflect the change of
5276         last_annotated_node type.
5277
5278 2005-10-04  Richard Guenther  <rguenther@suse.de>
5279
5280         PR c/23576
5281         * c-decl.c (grokdeclarator): Don't write to fields
5282         of error_mark_node.
5283
5284 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5285
5286         PR middle-end/23125
5287         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5288         register variables.
5289         * varasm.c (make_decl_rtl): If a register variable does not
5290         have a set user assmbler name, error out.
5291         Decode the asmspec is now name+1 bypassing '*'.
5292
5293 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5294
5295         PR tree-optimization/23049
5296         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5297         of a COND_EXPR is folded before calling fold on the whole rhs of a
5298         conditional assignment.
5299         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5300         document that a COND_EXPR may appear there.
5301
5302 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5303
5304         PR 23445
5305         * tree-vrp.c (extract_range_from_assert): If the new numeric
5306         range created out of the assertion contradicts the existing
5307         numeric range of the ASSERT_EXPR variable, make the new range
5308         varying.
5309
5310 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5311
5312         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5313         from T_REGS to FP register class.
5314
5315 2005-10-03  Richard Henderson  <rth@redhat.com>
5316
5317         PR 24135
5318         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5319         before creating a new one.
5320
5321 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5322
5323         * config/rs6000/t-aix43 (LDFLAGS): New.
5324         * config/rs6000/t-aix52 (LDFLAGS): New.
5325
5326 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5327
5328         * gimplify.c (find_single_pointer_decl_1): New static function.
5329         (find_single_pointer_decl): New static function.
5330         (internal_get_tmp_var): For a formal variable, set restrict base
5331         information if appropriate.
5332         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5333         return it.
5334         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5335         (DECL_GET_RESTRICT_BASE): Define.
5336         (SET_DECL_RESTRICT_BASE): Define.
5337         (decl_restrict_base_lookup): Declare.
5338         (decl_restrict_base_insert): Declare.
5339         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5340         * tree.c (restrict_base_for_decl): New static variable.
5341         (init_ttree): Initialize restrict_base_for_decl.
5342         (copy_node_stat): Copy restrict base information.
5343         (decl_restrict_base_lookup): New function.
5344         (decl_restrict_base_insert): New function.
5345         (print_restrict_base_statistics): New static function.
5346         (dump_tree_statistics): Call print_restrict_base_statistics.
5347
5348 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5349
5350         PR 24142
5351         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5352         case of anti-ranges.
5353
5354 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5355
5356         PR c/18851
5357         * c-typeck.c (tagged_tu_seen): Rename to ...
5358         (tagged_tu_seen_cache): this and add val field.
5359         (comptypes): Move functional to comptypes_internal
5360         and free tagged_tu_seen.
5361         (comptypes_internal): New function and call comptypes_internal
5362         instead of comptypes. Speed up by sibcalling
5363         tagged_types_tu_compatible_p.
5364         (alloc_tagged_tu_seen): New function
5365         (free_all_tagged_tu_seen_up_to): New function.
5366         (tagged_types_tu_compatible_p): Return the val of the seen two
5367         types.
5368         Add that the two types are the same to tagged_tu_seen_base
5369         if they are and call comptypes_internal instead of comptypes.
5370         <case UNION_TYPE>: Speed up common type where the fields are
5371         in the same order.
5372         (function_types_compatible_p): Call comptypes_internal instead of
5373         comptypes.
5374         (type_lists_compatible_p): Likewise.
5375         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5376
5377 2005-10-02  Matthias Klose  <doko@debian.org>
5378
5379         * doc/invoke.texi: Fix typo and speling error.
5380
5381 2005-10-01  Richard Henderson  <rth@redhat.com>
5382
5383         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5384
5385 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5386
5387         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5388         using --start-group and --end-group.
5389
5390 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5391
5392         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5393         FIXME note regarding quirky semantics.
5394
5395 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5396
5397         PR 24141
5398         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5399         non-null range as a last resort.
5400
5401 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5402             Diego Novillo  <dnovillo@redhat.com>
5403
5404         PR 23604
5405         * tree-vrp.c (extract_range_from_assert): For !=
5406         assertions, only build an anti-range if LIMIT is a
5407         single-valued range.
5408
5409 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5410
5411         * arm.md (movqi): On thumb when optimizing, handle loading from
5412         memory by describing this as taking a subreg of a zero-extended load
5413         into an SImode register.
5414         (movhi): Likewise.
5415
5416 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5417
5418         * reload1.c (merge_assigned_reloads): Do not change any
5419         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5420
5421 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5422
5423         * Makefile.in (LIPO_FOR_TARGET): Define.
5424         (STRIP_FOR_TARGET): Define.
5425
5426         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5427         before creating new ones.  Do symlinks before creating the actual
5428         targets.
5429
5430         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5431         to work out which multilibs are actually being built.
5432
5433 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5434
5435         * tree-vect-transform.c, config/ms1/ms1.md,
5436         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5437         Follow spelling conventions.
5438         * doc/invoke.texi, doc/md.texi: Fix typos.
5439
5440 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5441
5442         PR tree-optimization/21430
5443         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5444         use operands, and set stmt pointer if need be.
5445         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5446         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5447         present.
5448
5449 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5450
5451         PR middle-end/24053
5452         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5453
5454 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5455
5456         * optabs.c (expand_binop): Initialize first_pass_p.
5457
5458 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5459
5460         PR middle-end/24109
5461         * c-decl.c (c_write_global_declarations_1): If any
5462         wrapup_global_declaration_2 call returned true, restart the loop.
5463
5464 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5465
5466         Fix PR tree-optimization/24117
5467         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5468         before considering whether to use anyoffset.
5469
5470 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5471
5472         Revert this patch:
5473
5474         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5475
5476         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5477         to order operands.
5478         (swap_commutative_operands_with_target): New.
5479
5480 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5481
5482         PR c/21419
5483         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5484         read-only.
5485
5486 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5487
5488         PR tree-optimization/23911
5489         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5490         and IMAGPART_EXPR too.
5491
5492 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5493
5494         PR 17886
5495         * expmed.c (expand_shift): Move logic to reverse rotation
5496         direction when  rotating by constants ...
5497         * optabs.c (expand_binop): ... here.
5498         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5499         (ix86_rotrdi3): New pattern.
5500         (rotldi3): Handle 32-bit mode.
5501         (ix86_rotldi3): New pattern.
5502
5503 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5504
5505         PR target/24102
5506         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5507         check for numbers that need no bit twiddle.
5508
5509 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5510
5511         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5512         multilib to be built.
5513
5514         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5515         (stage1-start): Delete old libgcc and libunwind before moving
5516         anything into the stage directory.
5517         (stage2-start): Likewise.
5518         (stage3-start): Likewise.
5519         (stage4-start): Likewise.
5520         (stageprofile-start): Likewise.
5521         (stagefeedback-start): Likewise.
5522         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5523         header in tm_file and CPU-specific t-darwin in tmake_file.
5524         (i[34567]86-*-darwin*): Don't change tm_file.
5525         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5526         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5527         shared library stub for target OS version.
5528         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5529         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5530         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5531         (libgcc_s.%.dylib): New.
5532         (LIBGCC): Define.
5533         (install-darwin-libgcc-stubs): New.
5534         (INSTALL_LIBGCC): New append.
5535         * config/i386/darwin-libgcc.10.4.ver: New.
5536         * config/i386/darwin-libgcc.10.5.ver: New.
5537         * config/i386/t-darwin: New.
5538         * config/rs6000/darwin-libgcc.10.4.ver: New.
5539         * config/rs6000/darwin-libgcc.10.5.ver: New.
5540         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5541         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5542
5543 2005-09-28  Paul Brook  <paul@codesourcery.com>
5544
5545         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5546         denormals.
5547
5548 2005-09-28  Richard Guenther  <rguenther@suse.de>
5549
5550         PR tree-optimization/23853
5551         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5552         host_integerp to verify misalignment value.
5553
5554 2005-09-28  Richard Henderson  <rth@redhat.com>
5555
5556         * builtins.c (get_builtin_sync_mode): New.
5557         (expand_builtin_sync_operation): Pass in mode argument.
5558         (expand_builtin_compare_and_swap): Likewise.
5559         (expand_builtin_lock_test_and_set): Likewise.
5560         (expand_builtin_lock_release): Likewise.
5561         (expand_builtin): Update to match.
5562
5563 2005-09-28  Nick Clifton  <nickc@redhat.com>
5564
5565         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5566         formatting.  Add check to PLUS case to ensure that the offset is
5567         within an acceptable range.
5568
5569         * config/v850/v850.md (casesi): Disable the generation of the
5570         switch pattern as it is not being handled properly at the moment.
5571
5572         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5573         for when the high words are identical.
5574
5575 2005-09-27  Richard Henderson  <rth@redhat.com>
5576
5577         * pretty-print.c (pp_base_format): Fix typo for %>.
5578
5579 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5580             Devang Patel  <dpatel@apple.com>
5581
5582         PR tree-optimization/23625
5583         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5584         LABEL_EXPR, assertion check.
5585
5586 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5587
5588         * optabs.c (no_conflict_move_test): Check if a result of a
5589         to-be-moved insn would be clobbered by an originally
5590         preceding insn.
5591
5592 2005-09-27  Jeff Law  <law@redhat.com>
5593
5594         * passes.c (init_optimization_passes): Replace copy propagation
5595         passes immediately after DOM with phi-only copy propagation
5596         pases.  Add phi-only copy propagation pass after first DOM pass.
5597         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5598         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5599         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5600         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5601         to init_copy_prop.  Callers updated.
5602         (do_phi_only_copy_prop): New function.
5603         (pass_phi_only_copy_prop): New pass descriptor.
5604
5605 2005-09-27  Nick Clifton  <nickc@redhat.com>
5606
5607         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5608
5609 2005-09-26  Jason Merrill  <jason@redhat.com>
5610
5611         PR c++/13764
5612         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5613
5614         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5615
5616 2005-09-26  James E Wilson  <wilson@specifix.com>
5617
5618         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5619         copyright.  Add gcc copyright plus libgcc exception.
5620         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5621         copyright.
5622         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5623
5624 2005-09-26  Jeff Law  <law@redhat.com>
5625
5626         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5627         about when to iterate.
5628
5629 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5630
5631         PR target/23847
5632         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5633         for __complex__ double in -mcpu=G5 mode.
5634
5635 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5636
5637         PR tree-optimization/23942
5638         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5639         * tree-scalar-evolution.c: Include params.h.
5640         (t_bool): New enum.
5641         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5642         follow_ssa_edge_in_condition_phi_branch,
5643         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5644         Change return type to t_bool.  Use a parameter to limit the size of
5645         trees that are walked before stopping
5646         (analyze_evolution_in_loop): Initialize the limit to 0.
5647         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5648         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5649
5650 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5651
5652         PR middle-end/23831
5653         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5654         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5655
5656 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5657
5658         * combine.c (make_extraction): Check for valid use of subreg.
5659
5660 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5661
5662         PR target/24055
5663         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5664         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5665         ("fist<mode>2_with_temp"): Use only register operands.
5666
5667 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5668
5669         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5670         CALL_INSN_FUNCTION_USAGE.
5671
5672 2005-09-26  Richard Guenther  <rguenther@suse.de>
5673
5674         PR middle-end/15855
5675         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5676         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5677         (ldst_entry): Use the hashtable instead of list-walking.
5678         (find_rtx_in_ldst): Likewise.
5679         (free_ldst_entry): Free the hashtable.
5680         (compute_ld_motion_mems): Create the hashtable.
5681         (trim_ld_motion_mems): Remove entry from hashtable if
5682         removing it from list.
5683         (compute_store_table): Likewise^2.
5684         (store_motion): Free hashtable in case we did not see
5685         any stores.
5686
5687 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5688
5689         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5690         and arg1 if we are passing them to fold_build2.
5691
5692 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5693
5694         PR 23828
5695         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5696         a nested function.
5697
5698 2005-09-25  Richard Henderson  <rth@redhat.com>
5699
5700         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5701         SYMBOL_REF_TLS_MODEL to be correct.
5702
5703 2005-09-24  Richard Henderson  <rth@redhat.com>
5704
5705         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5706         end of function.  Reindent.
5707
5708 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5709
5710         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5711         NEGATE_EXPR/BIT_NOT_EXPR case.
5712
5713 2005-09-24  Richard Henderson  <rth@redhat.com>
5714
5715         * c-common.c (handle_mode_attribute): When not modifying in place,
5716         create subtypes for enumerations.
5717         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5718         * gimplify.c (create_tmp_from_val): Likewise.
5719
5720 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5721
5722         * config/i386/i386.md (*tls_global_dynamic_64,
5723         *tls_local_dynamic_base_64): Add missing mode to call.
5724         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5725
5726 2005-09-24  Jan Hubicka  <jh@suse.cz>
5727
5728         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5729         (cgraph_clone_node): Likewise.
5730         * cgraph.h (cgraph_clone_edge): Update prototype.
5731         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5732         duplicated prototypes; add updating argument.
5733         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5734         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5735         updating profile.
5736         (cgraph_mark_inline_edge): Likewise.
5737         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5738         (cgraph_flatten_node): Likewise.
5739         (cgraph_decide_recursive_inlining): Likewise.
5740         (cgraph_decide_inlining_of_small_function): Likewise.
5741         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5742
5743 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5744             Pete Steinmetz <steinmtz@us.ibm.com>
5745
5746         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5747         (rldic.): Set type to "compare".
5748         (rldicr.): Same.
5749         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5750         mfjmpr for MFCTR/MFLR.
5751         (movdf_hardfloat64): Same.
5752         (movdf_softfloat64): Same.  Correct order of store and move types.
5753         (movti_string): Set type to store_ux/load_ux.
5754         (load_multiple): Set type to load_ux.
5755         (store_multiple): Set type to store_ux.
5756         (movmemsi): Set type to store_ux.
5757         (output_cbranch direct_return): Set type to jmpreg.
5758         (stmw): Set type to store_ux.
5759         (lmw): Set type to load_ux.
5760         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5761         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5762         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5763         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5764         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5765         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5766         (rios1-fpstore): Increase latency to 3.
5767         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5768         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5769
5770 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5771             Andrew Pinski  <pinskia@physics.uc.edu>
5772
5773         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5774         operand2 constraint to "b".
5775         (sync_<fetchop_name>di_internal): Same.
5776         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5777         to "b".
5778         (sync_old_<fetchop_name>di_internal): Same.
5779         (sync_new_<fetchop_name>si_internal): Same.
5780         (sync_new_<fetchop_name>di_internal): Same.
5781
5782 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5783
5784         PR middle-end/23991
5785         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5786         case, define as macros.
5787
5788         PR rtl-optimization/23837
5789         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5790         clobber / clobber match between dest and p->first.
5791
5792         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5793         (no_conflict_move_test): Update comments.
5794
5795 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5796
5797         * doc/install.texi: Update URL for Jacks.
5798         * doc/sourcebuild.texi: Likewise.
5799
5800 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5801
5802         PR target/24007
5803         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5804         registers when choosing register preferences.
5805         (movdf_hardfloat64): Same.
5806
5807 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5808
5809         * expmed.c (expand_shift): Don't use the target of the rotate as
5810         target for the first expanded shift insn.
5811         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5812
5813 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5814
5815         PR tree-optimization/22438
5816         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5817         preserved iv rhs rewriting specially.
5818
5819 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5820
5821         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5822         estimate_only  is true.
5823         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5824         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5825         tree-ssa-structalias.c
5826         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5827         ref_contains_indirect_ref.
5828         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5829
5830 2005-09-21  DJ Delorie  <dj@redhat.com>
5831
5832         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5833         MASK_PTR_A0D0.
5834         (mn10300_return_in_memory): Support variable size types also.
5835         (mn10300_pass_by_reference): Likewise.
5836         (mn10300_function_value): New.
5837         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5838         (FUNCTION_OUTGOING_VALUE): Likewise.
5839         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5840         * doc/invoke.texi: Document it.
5841
5842 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5843
5844         PR target/22585
5845         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5846         force integer op1 into register for XFmode compares.
5847
5848 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5849
5850         PR middle-end/23971
5851         * expmed.c (alg_code): Add alg_impossible.
5852         (alg_hash_entry): Add cost.
5853         (synth_mult): Record alg_impossible in the hash table if
5854         multiplication by a given integer is impossble within the
5855         limit.  Speed up using alg_impossible.
5856
5857 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5858
5859         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5860         argument.  Allow and set any offset if needs_anyoffset is passed
5861         in.
5862         (get_constraint_for): Add argument here too.
5863         Pass it down.
5864         (do_structure_copy): Pass NULL to get_constraint_for.
5865         (handle_ptr_arith): Ditto.
5866         (find_func_aliases): Ditto.
5867
5868 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5869
5870         PR rtl-optimization/23898
5871         * output.h (get_attr_min_length): Declare.
5872         * final.c (get_attr_length_1): New function, broken out of:
5873         (get_attr_length).
5874         (get_attr_min_length): New function.
5875         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5876         (duplicate_computed_gotos): Likewise.
5877         * genattr.c (insn_min_length): Generate declaration.
5878         * genattrtab.c (min_fn, min_attr_value): New functions.
5879         (make_length_attrs): Generate insn_min_length.
5880
5881 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5882
5883         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5884
5885 2005-09-20  Richard Henderson  <rth@redhat.com>
5886
5887         PR tree-optimization/24059
5888         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5889         EXPAND_STACK_PARM.
5890
5891 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5892
5893         * c.opt (fextended-identifiers): New.
5894         * c-opts.c (c_common_handle_option): Handle
5895         -fextended-identifiers.
5896         * doc/cpp.texi: Update documentation of extended identifiers.
5897         * doc/cppopts.texi (-fextended-identifiers): Document.
5898
5899 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5900
5901         PR tree-optimization/23929
5902         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5903         if expr is NULL.
5904
5905         PR tree-optimization/23818
5906         * tree-stdarg.c (execute_optimize_stdarg): Call
5907         calculate_dominance_info.
5908
5909 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5910
5911         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5912         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5913         (compute_overlap_steps_for_affine_1_2): Use
5914         get_number_of_iters_for_loop.
5915         (analyze_subscript_affine_affine): Check whether difference is
5916         zero first.
5917         Use get_number_of_iters_for_loop.
5918         Check whether overlap occurs outside of bounds.
5919         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5920
5921 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5922
5923         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5924         base register if possible.
5925
5926 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5927
5928         PR tree-optimization/18463
5929         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5930         converting it directly is not possible.
5931         (chrec_convert_aggressive): New function.
5932         * tree-chrec.h (chrec_convert_aggressive): Declare.
5933         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5934         Fold chrec conversions aggressively if asked to.
5935         (instantiate_parameters): Modified because of changes in
5936         instantiate_parameters_1.
5937
5938 2005-09-19  Richard Henderson  <rth@redhat.com>
5939
5940         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5941         (reduc_splus_v2df): New.
5942
5943 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5944
5945         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5946         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5947
5948 2005-09-19  Richard Henderson  <rth@redhat.com>
5949
5950         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5951         vcondu<SSEMODE12>.
5952
5953 2005-09-19  Richard Henderson  <rth@redhat.com>
5954
5955         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5956         (ia64_expand_dot_prod_v8qi): New.
5957         * config/ia64/ia64-protos.h: Update.
5958         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5959         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5960         sdot_prodv8qi, sdot_prodv4hi): New.
5961         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5962
5963 2005-09-19  Richard Henderson  <rth@redhat.com>
5964
5965         PR 23941
5966         * real.c (exact_real_truncate): Return false if the format cannot
5967         represent the number as a normal.
5968
5969         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5970         for a memory source.
5971
5972 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5973
5974         * tree-ssa-operands.c (swap_tree_operands): Export.
5975         * tree.h (swap_tree_operands): Declare.
5976         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5977         Call swap_tree_operands.
5978
5979 2005-09-19  Richard Henderson  <rth@redhat.com>
5980
5981         * tree-flow.h (merge_alias_info): Declare.
5982         * tree-ssa-copy.c (merge_alias_info): Export.
5983         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5984         (vect_create_data_ref_ptr): Use create_iv directly.
5985         (vectorizable_load): Use correct types for integer constants.
5986         (vect_generate_tmps_on_preheader): Likewise.
5987         (vect_gen_niters_for_prolog_loop): Likewise.
5988
5989 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5990
5991         PR rtl-optimization/23943
5992         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5993
5994 2005-09-18  Jan Hubicka  <jh@suse.cz>
5995
5996         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5997
5998 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5999
6000         * varasm.c (output_constant): Do not abort on conversions to union
6001         types between different sizes.
6002
6003 2005-09-18  Richard Guenther  <rguenther@suse.de>
6004
6005         PR middle-end/23944
6006         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6007         fallback.
6008
6009 2005-09-18  Paul Brook  <paul@codesourcery.com>
6010
6011         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6012
6013 2005-09-17  Richard Henderson  <rth@redhat.com>
6014
6015         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6016         * tree-ssa-loop.c (pass_vect_dce): Remove.
6017         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6018         of pass_vectorize.
6019
6020 2005-09-17  Richard Henderson  <rth@redhat.com>
6021
6022         * tree-pass.h (pass_vect_dce): Declare.
6023         * passes.c (init_optimization_passes): Add it.
6024         * tree-flow.h (tree_ssa_dce): Declare.
6025         * tree-ssa-dce.c (tree_ssa_dce): Export.
6026         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6027         (gate_tree_vectorize): ... here.
6028         (pass_vect_dce): New.
6029
6030 2005-09-17  Jan Hubicka  <jh@suse.cz>
6031
6032         * except.c (struct eh_status): Turn region_array into vec.
6033         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6034         convert_from_eh_region_ranges, find_exception_handler_labels,
6035         current_function_has_exception_handlers, assign_filter_values,
6036         build_post_landing_pads, dw2_build_landing_pads,
6037         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6038         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6039         foreach_reachable_handler, can_throw_internal_1,
6040         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6041         region_array.
6042         (duplicate_eh_region_1): Update region_array.
6043         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6044
6045 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6046
6047         PR middle-end/22067
6048         * expmed.c (expand_mult): Substitute simple register for op0 when
6049         computing max_cost.
6050
6051 2005-09-17  Richard Henderson  <rth@redhat.com>
6052
6053         * expr.c (emit_move_via_integer): Add force argument, pass it on
6054         to emit_move_change_mode.  Update callers.
6055         (emit_move_complex): Pass true to new force argument.
6056         * function.c (expand_function_end): Move expand_eh_return call
6057         earlier.  Merge sub-word complex values into a pseudo before
6058         copying to the return hard register.
6059
6060 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6061
6062         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6063         between different sizes.
6064
6065 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6066
6067         PR 23903
6068
6069         * passes.c (init_optimization_passes): Register dump files for
6070         IPA passes first.
6071
6072 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6073
6074         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6075         * config/s390/s390.c (s390_overlap_p): New function.
6076         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6077         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6078         condition.
6079
6080 2005-09-16  Richard Guenther  <rguenther@suse.de>
6081
6082         * ipa-pure-const.c (static_execute): Free auxiliar information.
6083         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6084         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6085
6086 2005-09-15  DJ Delorie  <dj@redhat.com>
6087
6088         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6089
6090 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6091
6092         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6093         to order operands.
6094         (swap_commutative_operands_with_target): New.
6095
6096 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6097
6098         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6099         parameter.
6100         Update callers.
6101         (estimate_iters_using_array): New function.
6102         * tree-data-ref.h (estimate_iters_using_array): Prototype
6103         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6104         Use estimate_iters_using_array instead of analyze_array.
6105
6106 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6107
6108         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6109         as addressable.
6110
6111 2005-09-15  Michael Matz  <matz@suse.de>
6112
6113         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6114
6115 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6116
6117         PR tree-optimization/23835
6118         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6119         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6120
6121 2005-09-14  Richard Henderson  <rth@redhat.com>
6122
6123         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6124         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6125
6126 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6127
6128         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6129         in the ARRAY_TYPE case.
6130
6131 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6132
6133         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6134
6135 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6136
6137         PR middle-end/22480
6138         * tree-vect-transform.c (vectorizable_operation): Return false for
6139         scalar shift operations and for vector shift operations with
6140         non-invariant shift arguments.  Use scalar tree operand op1 as
6141         a shift operand when vector shift insn pattern uses scalar shift
6142         operand.
6143         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6144
6145 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6146
6147         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6148         value if it has side-effects.
6149
6150 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6151
6152         PR target/22068
6153         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6154
6155 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6156
6157         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6158         passed as NAME as if it were label at start of function code.
6159
6160 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6161
6162         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6163         the constraints.
6164
6165 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6166
6167         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6168         as early clobber.  Rewrite so the PIC register is not implicitly used.
6169
6170 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6171
6172         * tree.c (annotate_with_file_line): Compare line numbers before
6173         file names.
6174
6175 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6176
6177         PR target/23816
6178         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6179         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6180
6181 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6182
6183         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6184         than a HOST_WIDEST_INT to gen_doloop_begin.
6185
6186 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6187
6188         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6189
6190 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6191
6192         PR tree-optimize/23817
6193         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6194
6195 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6196
6197         PR target/23774
6198         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6199         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6200         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6201         (restore_stack_nonlocal): Likewise.
6202         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6203
6204 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6205
6206         PR g++/7874
6207         * c.opt (ffriend-injection): New C++ option.
6208         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6209         (C++ Dialect Options): Document -ffriend-injection.
6210
6211 2005-09-12  Josh Conner  <jconner@apple.com>
6212
6213         PR middle-end/23237
6214         * ipa-reference.c (static_execute): Don't mark variables in
6215         named sections TREE_READONLY.
6216
6217 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6218
6219         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6220         stack_tie.
6221
6222 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6223
6224         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6225         V_MUST_DEF instead of just the first_use_p.
6226         Don't mark the virtual variables for renaming on the statement which
6227         is being removed.
6228         (pass_dse): Remove TODO_update_ssa.
6229
6230 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6231
6232         PR middle-end/23290
6233         * stor-layout.c (compute_record_mode): For records with a single
6234         field, actually check the field's mode size against the type size.
6235
6236         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6237         registers for TARGET_SHMEDIA.
6238         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6239         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6240         of GENERAL_REGS and FP_REGS.
6241
6242 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6243
6244         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6245
6246 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6247
6248         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6249         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6250         are omitted.  Exclude stack_tie insn too.
6251
6252 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6253
6254         PR rtl-optimization/23098
6255         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6256         0.0f is easy.
6257         * config/rs6000/rs6000.md (movdf splitter): Use
6258         const_double_operand predicate for TARGET_POWERPC64.
6259         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6260         SYMBOL_REF method to ABI_V4.
6261
6262         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6263         replace_equiv_address.
6264         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6265         rs6000_sr_alias_set and MEM_NOTRAP.
6266         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6267
6268 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6269
6270         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6271         handle CALL_EXPR again.
6272
6273 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6274
6275         * arm/predicates.md (alignable_memory_operand): Delete.
6276
6277 2005-09-10  Richard Henderson  <rth@redhat.com>
6278
6279         PR debug/23806
6280         * dbxout.c (dbxout_expand_expr): New.
6281         (dbxout_symbol): Use it.
6282
6283 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6284
6285         * arm.c (arm_gen_rotated_half_load): Delete.
6286         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6287         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6288         (thumb_set_return_address): Likewise.
6289         (thumb_load_double_from_address): Use adjust_address.
6290         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6291         (extendhsisi2_mem, movhi_bytes): Use change_address.
6292         (movhi): Use widen_memory_access.
6293         (reload_out_df): Use replace_equiv_address.
6294         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6295
6296 2005-09-09  Richard Henderson  <rth@redhat.com>
6297
6298         PR debug/20998
6299         * dbxout.c: Include expr.h.
6300         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6301         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6302         * Makefile.in (dbxout.o): Add EXPR_H.
6303
6304 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6305
6306         PR tree-optimization/23509
6307         * tree-cfg.c (replace_uses_by): Use replace_exp.
6308         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6309         pointers have name_mem_tag or type_mem_tag set.
6310
6311 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6312
6313         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6314         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6315         of wrongly accessing operands.
6316
6317 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6318
6319         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6320         * tree-chrec.c: Include tree-scalar-evolution.h.
6321         (chrec_convert): Instantiate the base and step before calling
6322         scev_probably_wraps_p that would fail on parametric evolutions.
6323         Collect all the fails into a single section failed_to_convert,
6324         print a diagnostic, and return chrec_dont_know instead of calling
6325         fold_convert.
6326         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6327         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6328         phi nodes.
6329         (scev_const_prop): Don't replace the definition of a loop closed ssa
6330         phi node by itself, or by another loop closed ssa phi node.
6331         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6332         that base and step are defined.
6333
6334 2005-09-09  Richard Guenther  <rguenther@suse.de>
6335
6336         PR c++/23624
6337         * fold-const.c (fold_ternary): Check truth_value_p before
6338         calling invert_truthvalue.
6339
6340 2005-09-09  Nick Clifton  <nickc@redhat.com>
6341
6342         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6343         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6344         dimension of these arrays.
6345         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6346         these arrays.
6347         * longlong.h: Only provide a prototype for the __clz_tab[] array
6348         if this header has not been included from libgcc2.h.
6349         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6350         defining own types.
6351         Provide prototypes for exported functions.
6352         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6353         libgcc2.c.
6354
6355 2005-09-08  Josh Conner  <jconner@apple.com>
6356
6357         PR c++/21135
6358         PR c++/23180
6359         * expr.c (expand_expr_addr_expr_1): Don't invoke
6360         expand_simple_binop for EXPAND_INITIALIZER.
6361
6362 2005-09-08  Richard Henderson  <rth@redhat.com>
6363
6364         PR debug/23190
6365         * toplev.c (wrapup_global_declaration_1): Split out ...
6366         (wrapup_global_declaration_2): ... from ...
6367         (wrapup_global_declarations): ... here.  Return bool.
6368         (check_global_declaration_1): Split out ...
6369         (check_global_declarations): from here.
6370         (emit_debug_global_declarations): New.
6371         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6372         check_global_declaration_1, emit_debug_global_declarations): Declare.
6373         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6374         of decls.  Call wrapup_global_declaration_1,
6375         wrapup_global_declaration_2, check_global_declaration_1 directly.
6376         (c_write_global_declarations_2): New.
6377         (ext_block): New.
6378         (c_write_global_declarations): Call c_write_global_declarations_2.
6379         * langhooks.c (write_global_declarations): Call
6380         emit_debug_global_declarations.
6381
6382         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6383         remove decls that have DECL_RTL_SET_P.
6384         * passes.c (rest_of_decl_compilation): Invoke
6385         cgraph_varpool_finalize_decl for all but functions.
6386
6387 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6388
6389         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6390         the result of a conversion if the new min and max cannot be compared.
6391
6392 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6393
6394         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6395         (override_options): Setting s390_sr_alias_set removed.
6396         (save_fpr, save_gprs): Set alias set to vararg or frame.
6397         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6398         s390_sr_alias_set with get_frame_alias_set ().
6399         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6400         get_varargs_alias_set ().
6401
6402 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6403
6404         PR objc/20574
6405         PR objc/19324
6406         * c-parser.c (c_parser_objc_method_definition): If the next
6407         token is not "{", error out and don't start the function.
6408
6409 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6410
6411         * tree-vrp.c (extract_range_from_expr): Move the check for non
6412         nullness after the check for gimple invariant.
6413
6414 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6415
6416         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6417
6418 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6419
6420         PR target/23747
6421         * config/m32r.md (movmemsi_internal): Canonicalize order of
6422         operands in PLUS component of template.
6423
6424 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6425
6426         * reload1.c (fixup_eh_region_note): Remove assertion.
6427         (fixup_abnormal_edges): Reverted removal of call to
6428         find_many_sub_basic_blocks made on 2005-08-31.
6429
6430 2005-09-07  Richard Henderson  <rth@redhat.com>
6431
6432         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6433         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6434         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6435         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6436         rearrange for better packing.
6437         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6438         (lookup_cfa_1): Remove inline marker.
6439         (cfa_equal_p): Split out of ...
6440         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6441         (build_cfa_loc): Handle !cfa->indirect.
6442         (frame_pointer_cfa_offset): New.
6443         (dbx_reg_number): Assert register elimination performed; do
6444         leaf register remapping.
6445         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6446         (eliminate_reg_to_offset): New.
6447         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6448         for verifiably local stack frame addresses; re-base to CFA.
6449         (mem_loc_descriptor): Remove can_use_fbreg argument.
6450         (concat_loc_descriptor, loc_descriptor): Likewise.
6451         (containing_function_has_frame_base): Remove.
6452         (rtl_for_decl_location): Don't do register elimination or
6453         leaf register remapping here.
6454         (secname_for_decl): Split out from ..
6455         (add_location_or_const_value_attribute): ... here.
6456         (convert_cfa_to_loc_list): New.
6457         (compute_frame_pointer_to_cfa_displacement): New.
6458         (gen_subprogram_die): Use them.
6459         * tree.h (frame_base_decl): Remove.
6460         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6461         (prologue_stack_adjust): Remove.
6462         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6463         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6464         (set_frame_base_location): Remove.
6465         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6466         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6467         (vt_add_function_parameters): Don't eliminate_regs.
6468         (vt_initialize): Don't create frame_base_decl.
6469
6470 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6471
6472         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6473         version of GNU binutils for 4.x and later.
6474
6475 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6476
6477         * ggc-page.c (ggc_push_context): Remove.
6478         (ggc_pop_context): Likewise.
6479         * ggc.h (ggc_push_context): Remove.
6480         (ggc_pop_context): Likewise.
6481
6482 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6483
6484         PR target/8973
6485         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6486         returning from an interrupt handler.
6487
6488 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6489
6490         PR target/8972
6491         * config/arc/arc.c (output_shift): Add check for loop count when
6492         optimizing.
6493
6494 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6495
6496         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6497         form manually.
6498         (abs_replacement): Likewise.
6499         (pass_phiopt): Remove TODO_update_ssa.
6500
6501 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6502
6503         PR c/23075
6504         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6505         if "return with no value, in function returning non-void" warning
6506         has been issued.
6507         * tree-cfg.c (execute_warn_function_return): Don't look at
6508         RETURN_EXPRs with TREE_NO_WARNING set.
6509
6510         PR target/22362
6511         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6512         for internal functions doesn't use registers used by global registers
6513         variables.  Use fewer register parameters if there are global register
6514         variables.
6515
6516 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6517             Eric Botcazou  <ebotcazou@adacore.com>
6518
6519         PR middle-end/14997
6520         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6521         when we would be extracting outside its bit span (bitpos+bitsize
6522         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6523         Ada unchecked conversions.
6524
6525 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6526
6527         * tree-ssa-pre.c (try_look_through_load): New function.
6528         (compute_avail): Use it to try to look through loads for some
6529         more useful expressions.
6530
6531 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6532
6533         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6534         condition for detecting cases like (a&a) and (a^a).
6535
6536 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6537
6538         * common.opt: Add option ftree-vect-loop-version.
6539         * params.def: Add --param vect-max-version-checks.
6540         * doc/invoke.texi: Document ftree-vect-loop-version and
6541         --param vect-max-version-checks.
6542         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6543         may_misalign_stmts and defines for accessors.
6544         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6545         LOOP_VINFO_MAY_MISALIGN_STMTS.
6546         (destroy_loop_vec_info): VEC_free for
6547         LOOP_VINFO_MAY_MISALIGN_STMTS.
6548         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6549         Update documentation.
6550         (vect_update_misalignment_for_peel): New.
6551         (vect_enhance_data_refs_alignment): Update to choose loop
6552         peeling or loop versioning if appropriate for the (potentially)
6553         unaligned data references in the loop.
6554         (vect_analyze_data_refs_alignment): Remove call to
6555         vect_enhance_data_refs_alignment so the checks can be done
6556         earlier.
6557         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6558         and move up call to vect_analyze_data_refs_alignment.
6559         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6560         (vect_transform_loop): Add call to loop_version.
6561
6562 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6563
6564         PR rtl-optimization/23098
6565         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6566         * simplify-rtx.c (constant_pool_reference_p): New function.
6567         * rtl.h (constant_pool_reference_p): New prototype.
6568         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6569         constant_pool_reference_p in condition and
6570         avoid_constant_pool_reference in preparation statements.
6571
6572 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6573
6574         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6575         STRICT_LOW_PART SETs.
6576
6577 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6578
6579         PR middle-end/21460
6580         * except.c (sjlj_emit_function_enter): Find the function begin
6581         note even when it's not in first basic block.
6582
6583 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6584
6585         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6586         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6587         * aclocal.m4: Regenerate.
6588
6589 2005-09-05  DJ Delorie  <dj@redhat.com>
6590
6591         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6592         of macro.
6593
6594 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6595
6596         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6597         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6598         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6599         Follow spelling conventions.
6600         * doc/invoke.texi: Follow spelling conventions.
6601
6602 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6603
6604         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6605         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6606         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6607
6608 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6609
6610         PR target/23683
6611         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6612         (output_stack_adjust): Use gen_tmp_stack_mem.
6613         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6614         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6615         (sh_get_pr_initial_val): Likewise.
6616         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6617         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6618         * sh.md (divsi_inv_m0): Use gen_const_mem.
6619         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6620         (movdf_i4+1): Use gen_tmp_stack_mem.
6621         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6622         (fpu_switch+2): Likewise.
6623         (movv4sf_i, movv16sf_i): Use adjust_address.
6624         (symGOT_load): Set MEM_NOTRAP_P bit.
6625
6626 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6627
6628         PR target/23721
6629         * pa.c (emit_move_sequence): Fix typo in last change.
6630
6631 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6632
6633         PR rtl-optimization/23454
6634         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6635         is true.
6636
6637 2005-09-03  Richard Henderson  <rth@redhat.com>
6638             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6639
6640         PR middle-end/23671
6641         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6642         gen_rtx_MEM.
6643
6644 2005-09-02  Nicolas Pitre <nico@cam.org>
6645
6646         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6647         to bit_count to 32 bits.
6648
6649 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6650
6651         PR c++/23167
6652         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6653         generating synthetic loads from volatile lvalues.
6654
6655 005-09-02  Nick Clifton  <nickc@redhat.com>
6656
6657         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6658         __ctzhi2, __clzhi2): New functions.
6659
6660 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6661
6662         PR middle-end/23547
6663         * tree-nested.c (struct var_map_elt): Mark with GTY.
6664         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6665         var_map_elt.
6666         (lookup_field_for_decl): Allocate new element in GC memory.
6667         (lookup_tramp_for_decl): Likewise.
6668         (convert_nl_goto_reference): Likewise
6669         (create_nesting_tree): Allocate info in GC memory. Likewise for
6670         info->var_map.
6671         (free_nesting_tree): Free with ggc_free instead of free.
6672         (root): New static variable.
6673         (lower_nested_functions): Remove root as local variable.  And zero out
6674         root at the end of the function.
6675
6676 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6677
6678         PR rtl-optimization/20365
6679         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6680         to short.  New member ix.
6681         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6682         (simplify_plus_minus): Initialize ix members before calling qsort.
6683
6684 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6685
6686         PR tree-optimization/23626
6687         * tree-cfg.c (replace_uses_by): Clean up eh info.
6688
6689 2005-09-01  DJ Delorie  <dj@redhat.com>
6690
6691         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6692         fprintf.
6693
6694 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6695
6696         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6697         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6698         gen_rtx_MEM.
6699
6700 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6701
6702         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6703         do not issue warning for a variable definition following
6704         a declaration.
6705
6706 2005-09-01  Richard Henderson  <rth@redhat.com>
6707
6708         PR 23668
6709         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6710         conversion to CONST_VECTOR.
6711
6712 2005-09-01  Richard Henderson  <rth@redhat.com>
6713
6714         PR 23676
6715         * reload1.c (reload_as_needed): Check !CALL_P before calling
6716         fixup_eh_region_note.
6717         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6718
6719 2005-09-01  DJ Delorie  <dj@redhat.com>
6720
6721         * varasm.c (output_constant): Let the target resolve
6722         conversions of addresses to non-default pointer sizes.
6723
6724 2005-09-01  Nicolas Pitre <nico@cam.org>
6725
6726         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6727         to alow matching ARM pre-indexed addressing mode.
6728         (arm_override_options): Remove now irrelevant comment.
6729
6730 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6731
6732         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6733         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6734         * config/i386/vxworks.h:  Likewise.
6735         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6736         * config/i386/vxworksae.h:  Likewise.
6737
6738 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6739
6740         PR tree-optimization/23410
6741         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6742         sequence is not wrapping during the first step.
6743
6744 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6745
6746         PR debug/7241
6747         * dwarf2out.c (base_type_die): Compare char_type_node with
6748         TYPE_MAIN_VARIANT (type), not type.
6749
6750 2005-09-01  Richard Guenther  <rguenther@suse.de>
6751
6752         PR tree-optimization/15366
6753         * common.opt: Add -finline-functions-called-once.
6754         Put -fearly-inlining in alphabetically ordered place.
6755         * doc/invoke.texi: Document new option.
6756         * ipa-inline.c (cgraph_decide_inlining): Honour
6757         flag_inline_functions_called_once.
6758
6759 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6760
6761         PR rtl-optimization/23478
6762         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6763         (alloc_qty): Initialize it.
6764         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6765         (combine_regs): Combine also n_throwing_calls_crossed fields.
6766         (find_free_reg): Don't attempt to caller-save pseudos crossing
6767         calls that might throw.
6768         * global.c (struct allocno): Add throwing_calls_crossed field.
6769         (global_alloc): Revert 2005-08-22 change.  Initialize
6770         throwing_calls_crossed.
6771         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6772         might throw.
6773
6774 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6775
6776         PR target/23649
6777         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6778         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6779         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6780         (and64_2_operand): Tweak to use predicate.
6781         (and_operand): Adjust for mask_operand changes.
6782         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6783         (print_operand): Likewise.
6784         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6785         (mask64_1or2_operand): Delete.
6786         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6787         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6788         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6789         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6790         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6791         (rotldi3_internal4): Likewise.
6792         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6793         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6794         (ashldi3_internal7): Likewise.
6795         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6796         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6797         (anddi3 split): Don't match mask64_operand.
6798         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6799         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6800         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6801         't' splitter predicate.
6802         (movdi_internal64 + 2): Revert 2005-06-11 change.
6803
6804 2005-08-31  DJ Delorie  <dj@redhat.com>
6805
6806         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6807         (m32c_asm_integer): Add support for 32 bit pointers.
6808
6809 2005-08-31  Richard Henderson  <rth@redhat.com>
6810
6811         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6812         component-like references for setting MEM_NOTRAP_P.
6813
6814         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6815         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6816
6817 2005-08-31  Richard Henderson  <rth@redhat.com>
6818
6819         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6820         into a pseudo before applying gen_lowpart.
6821
6822 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6823
6824         * doc/install.texi (Specific): Update cctools version required
6825         for full functionality.
6826         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6827         linkers as -macosx_version_min.
6828
6829 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6830
6831         PR target/21255
6832         * sh.c (print_operand, %R and %S): Add handling of floating point
6833         registers, memory, constants and invalid operands.
6834
6835 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6836
6837         * ipa-pure-const.c: Change dump name.
6838
6839 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6840
6841         PR target/23570
6842         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6843         to "reg_or_0_operand".
6844         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6845
6846 2005-08-31  Dale Johannesen  <dalej@apple.com>
6847
6848         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6849         loops that count down.
6850
6851 2005-08-31  Richard Henderson  <rth@redhat.com>
6852
6853         PR rtl-opt/23601
6854         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6855         (fixup_eh_region_note): New.
6856         (reload_as_needed): Call it.
6857         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6858         don't call find_many_sub_basic_blocks; call verify_flow_info.
6859         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6860         (keep_stack_depressed): Likewise.
6861         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6862
6863 2005-08-31  Richard Henderson  <rth@redhat.com>
6864
6865         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6866         fp return matching.
6867
6868 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6869
6870         * expr.c (expand_expr_real_1): Compare size of address
6871         mode to target's address mode size in deciding expansion of
6872         the constant address.
6873
6874 2005-08-31  Richard Guenther  <rguenther@suse.de>
6875
6876         PR middle-end/23477
6877         * expr.c (all_zeros_p): New function.
6878         (expand_expr_real_1): Handle the case of an all-zero
6879         non-addressable constructor separately.
6880
6881 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6882
6883         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6884         arguments, adjust all callers.
6885         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6886
6887 2005-08-30  Richard Henderson  <rth@redhat.com>
6888
6889         PR target/23630
6890         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6891         whenever the mode sizes match.
6892
6893 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6894
6895         * calls.c (load_register_parameters): Fix comment typo.
6896         * expr.c (emit_push_insn): Comment formatting.
6897
6898 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6899
6900         * config/i386/x-cygwin (host-cygwin): Change dependency from
6901         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6902
6903 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6904
6905         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6906         parts of 'vals'.
6907
6908 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6909
6910         PR middle-end/23408
6911         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6912         call to ggc_collect.
6913
6914 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6915
6916         PR bootstrap/21268
6917         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6918         beginning.  Remove $(INCLUDES) from all the rules, if following
6919         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6920
6921 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6922
6923         PR middle-end/23484
6924         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6925         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6926         not constant, but maxlen is, don't set len to maxlen, rather
6927         set maxlen to len if len is a constant.
6928
6929 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6930
6931         PR tree-optimization/23475
6932         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6933         and counts.
6934
6935 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6936
6937         Fix PR middle-end/22455
6938
6939         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6940         Checksum only the parts of the tree that exist for the tree code.
6941
6942 2005-08-28  Dale Johannesen  <dalej@apple.com>
6943
6944         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6945
6946 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6947
6948         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6949
6950 2005-08-28  Richard Henderson  <rth@redhat.com>
6951
6952         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6953         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6954         of char_type_node.
6955
6956 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6957
6958         PR ada/23593
6959         * builtins.c (get_memory_rtx): Don't strip nops
6960         in between COMPONENT_REFs.
6961
6962 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6963
6964         PR middle-end/23463
6965         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6966         types.
6967         (gimplify_modify_expr): Check for zero sized types and gimplify the
6968         rhs and lhs as statements.
6969
6970 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6971
6972         PR libgcj/23508
6973         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6974         state for return address column of signal frames.
6975
6976 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6977
6978         PR target/23539
6979         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6980         bytes >= 2 not bytes == 2.
6981         (expand_block_move): Same.
6982
6983 2005-08-27  Richard Guenther  <rguenther@suse.de>
6984
6985         PR target/23575
6986         * config/i386/sse.md (sse2_movsd): Add missing closing
6987         braces.
6988
6989 2005-08-27  Paul Brook  <paul@codesourcery.com>
6990
6991         * genrecog.c (enum decision_type): Add DT_num_insns.
6992         (struct decision_test): Add u.num_insns.
6993         (add_to_sequence): Add DT_num_insns test.
6994         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6995         (write_cond, debug_decision_2): Ditto.
6996         (change_state): Assume peep2_next_insn never fails.
6997         Remove "afterward" argument.
6998         (write afterward, write_tree): Update to match.
6999         * recog.c (peep2_current_count): New variable.
7000         (peep2_next_insn): Check it.
7001         (peephole2_optimize): Set peep2_current_count.
7002         * recog.h (peep2_current_count): Declare.
7003
7004 2005-08-26  Josh Conner  <jconner@apple.com>
7005
7006         PR middle-end/23584
7007         * ipa-pure-const.c (check_tree): Check for volatile-ness
7008         when considering a dereference.
7009
7010 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7011
7012         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7013
7014 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7015
7016         PR rtl-optimization/23561
7017         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7018         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7019         at most LEN bytes long memory fits into the field.
7020         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7021         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7022         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7023
7024 2005-08-26  Richard Henderson  <rth@redhat.com>
7025
7026         PR rtl-opt/23560
7027         * loop.c (biased_biv_may_wrap_p): New.
7028         (maybe_eliminate_biv_1): Use it to suppress non-equality
7029         comparison transformations.  Delete disabled code.
7030
7031 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7032
7033         * combine.c (make_extraction): Avoid reference outside object.
7034
7035 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7036
7037         * stor-layout.c (finalize_type_size): Restore behaviour for
7038         non-aggregate types to the status quo ante of the patch for
7039         pr 23467.  Document why it matters.
7040
7041 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7042
7043         PR c/23506
7044         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7045         array by one element, initialize the BT_LAST element with NULL.
7046
7047 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7048
7049         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7050         optimizing for size.
7051         (plus_eqsi): Same.
7052         (compare_plus_eqsi): Same.
7053         (plus_eqsi_compare): Same.
7054         (neg_eq0<mode>): Same.
7055         (neg_eq<mode>): Same.
7056
7057         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7058         PROCESSOR_POWER4.
7059
7060 2005-08-26  Nick Clifton  <nickc@redhat.com>
7061
7062         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7063         TARGET_EP is not defined.
7064         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7065         TARGET_EP is enabled.
7066         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7067         * config/v850/v850.md (save_all_interrupt): Only use the EP
7068         register if TARGET_EP is defined.
7069         (restore_all_interrupt): Likewise.
7070         * config/v850/lib1funcs.asm: Update functions so that the EP
7071         register is only used if __EP__ is defined.
7072
7073 2005-08-26  David Ung  <davidu@mips.com>
7074
7075         * config/mips/mips.c (mips_expand_prologue): Handle case when
7076         generating for MIPS16 and the outgoing argument area is more than
7077         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7078         add instruction.
7079
7080 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7081
7082         * config/crx/crx.md: Make doloop_end pattern usage controllable
7083         via mloop-nesting=<max-nesting> command line switch. Make sure
7084         the combiner cannot use doloop_end_<mode> in an illegal way.
7085         * config/crx/crx.c: Use regs up to r6 for argument passing.
7086         Refine crx_address_cost (non cst4 displacements are expensive).
7087         * config/crx/crx.opt: Add switch for mloop-nesting=.
7088
7089 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7090
7091         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7092         (UNSPEC_MVST): New constant.
7093
7094 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7095
7096         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7097         Reject operands containing eliminable registers.
7098         * testsuite/gcc.dg/20050825-1.c: New testcase.
7099
7100 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7101             Jan Hubicka  <jh@suse.cz>
7102
7103         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7104
7105 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7106
7107         PR tree-optimization/23546
7108         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7109         and REAL_CST nodes.
7110
7111 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7112
7113         * params.def (PARAM_MIN_SPEC_PROB): New.
7114         * sched-rgn.c (MIN_PROBABILITY): Delete.
7115         (compute_trg_info): Convert to PARAM_VALUE.
7116         * doc/invoke.texi (param): Document min-spec-prob.
7117
7118 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7119
7120         * config/darwin.h: define __PIC__
7121         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7122         TARGET_OS_CPP_BUILTINS macro.
7123
7124 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7125
7126         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7127         yesterday.
7128
7129 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7130
7131         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7132         to duplicate_block.
7133         * cfghooks.c (duplicate_block): Added position where to place
7134         new block as argument.
7135         * cfghooks.h (duplicate_block): Declaration changed.
7136         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7137         duplicate_block.
7138         * cfglayout.h (copy_bbs): Declaration changed.
7139         * cfgloop.h (loop_version): Declaration changed.
7140         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7141         position to copy_bbs.
7142         (loop_version): Pass position to duplicate_loop_to_header_edge.
7143         Add place_after argument and position new blocks according to
7144         it.
7145         * modulo-sched.c (sms_schedule): Pass place_after argument
7146         to loop_version.
7147         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7148         * tree-cfg.c (split_edge_bb_loc): New function.
7149         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7150         to determine position of new blocks.
7151         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7152         to loop_version.
7153         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7154         argument to duplicate_block.
7155         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7156         Pass position to copy_bbs.
7157
7158 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7159
7160         * fold-const.c (ptr_difference_const): Use
7161         cst_and_fits_in_hwi instead of host_integerp.
7162
7163 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7164
7165         * config/darwin.c (gen_pic_offset): New.
7166         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7167         Use it.
7168
7169 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7170
7171         PR tree-optimization/23486
7172         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7173
7174 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7175
7176         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7177         remove use_collect2.
7178         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7179
7180         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7181         configuration files to override the default value.
7182
7183         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7184         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7185         * config/vx-common.h:  New file, split out from...
7186         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7187         * config/vxworksae.h:  New file, for VxWorks AE.
7188         * config/vxworks.opt:  New file.
7189         * config/vxlib.c:  Update for VxWorks 6.
7190
7191         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7192         other MULTILIB_* variables appropriately.
7193         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7194         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7195         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7196         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7197
7198 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7199
7200         PR target/20799
7201         * config/darwin.c (machopic_select_section): Remove the hack to
7202         mark "::operator new" and "::operator delete" for coalescing
7203         even though they are not weak.
7204
7205 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7206
7207         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7208         * configure: Regenerate.
7209
7210 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7211
7212         PR middle-end/23517
7213         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7214         between vectors.
7215         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7216         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7217         Likewise.
7218
7219 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7220
7221         * config/rs6000/predicates.md (equality_operator): New.
7222         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7223         comparison with a large constant.
7224
7225 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7226
7227         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7228
7229 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7230
7231         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7232         registers is even, and we have a hardware double precision fp,
7233         align the buffer.
7234         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7235         size of current argument when checking if argument was passed in
7236         registers.
7237
7238         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7239
7240         PR middle-end/23467
7241         * stor-layout.c (finalize_type_size): Dont override
7242         existing alignment with a smaller alignment from the mode.
7243
7244 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7245
7246         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7247         * lambda.h (lambda_vector_lexico_pos): ... here.
7248         * tree-data-ref.c (build_classic_dist_vector): Return false when
7249         the distance vector is lexicographically negative.
7250
7251 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7252
7253         PR tree-optimization/23511
7254         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7255         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7256
7257 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7258
7259         PR tree-optimization/22043
7260         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7261         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7262         If ALLOW_FLEXARR, handle types ending with flexible array member.
7263         Pass false as second argument to recursive count_type_elements calls.
7264         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7265         argument to count_type_elements call.
7266         * tree-sra.c (decide_block_copy): Likewise.
7267         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7268         for a constant-sized object, set cleared as well.  Pass true as
7269         second argument to count_type_elements call.
7270
7271 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7272
7273         PR target/21571
7274         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7275         from legitimate_small_data_p, and make global.  Update use.
7276         Remove forward declaration.
7277         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7278         Declare.
7279         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7280
7281 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7282
7283         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7284         of scratch intermediates.
7285         (eq<mode>_compare): Same.
7286         (neg_eq0<mode>): New.
7287         (neg_eq<mode>): Convert to define_insn_and_split.
7288
7289 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7290
7291         PR target/23070
7292         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7293         stdarg functions, set/clear the fp marker even when no variable
7294         args are passed.
7295         * config/rs6000/sysv4.opt (mprototype): Describe.
7296
7297 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7298
7299         PR rtl-optimization/23478
7300         * regs.h (reg_info): Add throw_calls_crossed.
7301         (REG_N_THROWING_CALLS_CROSSED): Define.
7302         * flow.c (allocate_reg_life_data): Initialize
7303         REG_N_THROWING_CALLS_CROSSED.
7304         (propagate_one_insn, attempt_auto_inc): Update
7305         REG_N_THROWING_CALLS_CROSSED.
7306         * global.c (global_alloc): Don't allocate pseudos across
7307         calls that may throw.
7308
7309 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7310
7311         PR c/18715
7312         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7313         value is inbetween the range if we did not find an exact match.
7314
7315 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7316
7317         * doc/invoke.texi (Option Summary): Add ms1 options.
7318         * doc/extend.texi: Document interrupt handler attribute for ms1.
7319         * doc/md.texi: Document ms1 constraints.
7320         * config.gcc: Add ms1-*-elf.
7321         * config/ms1/ms1.h: New.
7322         * config/ms1/ms1.c: New.
7323         * config/ms1/ms1.md: New.
7324         * config/ms1/ms1-protos.h: New.
7325         * config/ms1/ABI.txt: New.
7326         * config/ms1/crti.asm: New.
7327         * config/ms1/crtn.asm: New.
7328         * config/ms1/lib2extra-funcs.c: New.
7329         * config/ms1/t-ms1: New.
7330         * config/ms1/ms1.opt: New.
7331
7332 2005-08-22 Ira Rosen <irar@il.ibm.com>
7333
7334         * config/rs6000/altivec.md (xorv4sf3): New.
7335         (negv4sf2, neg<mode>2): Likewise.
7336
7337 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7338
7339         PR target/23485
7340         * config/ia64/ia64.md (divsi3): Check divide by zero.
7341         (udivsi3): Likewise.
7342         (divdi3): Likewise.
7343         (udivdi3): Likewise.
7344
7345 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7346
7347         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7348         up to elem_bitsize bits, not max_bitsize.
7349
7350 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7351
7352         PR tree-optimization/23433
7353         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7354         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7355
7356 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7357
7358         PR tree-optimization/23434
7359         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7360         the iteration bound is not an INTEGER_CST.
7361
7362 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7363
7364         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7365         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7366         NULL if need_epilog_adjust is false.
7367         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7368         Case 3 always peels first itration, not just for PLUS case, and no need
7369         to use scalar_initial_def here. Create an epilog adjustment only if
7370         scalar_initial_def is not NULL.
7371
7372         (vectorizable_reduction): Remove assert.
7373
7374 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7375
7376         PR target/23485
7377         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7378         (__moddi3): Likewise.
7379         (__udivdi3): Likewise.
7380         (__umoddi3): Likewise.
7381         (__divsi3): Likewise.
7382         (__modsi3): Likewise.
7383         (__udivsi3): Likewise.
7384         (__umodsi3): Likewise.
7385
7386 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7387
7388         * tree-pass.h (TDF_GRAPH): Define.
7389         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7390         * passes.c (finish_optimization_passes): Only call
7391         finish_graph_dump_file if TDF_GRAPH is set.
7392         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7393         NULL.  Set TDF_GRAPH bit.
7394         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7395
7396 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7397
7398         * arm.h (arm_stack_offsets): Add locals_base field.
7399         * arm.c (arm_get_frame_offsets): Compute it.
7400         (thumb_compute_initial_elimination offset): Make the Thumb frame
7401         pointer point to the base of the local variables.
7402         (thumb_expand_prologue): Update accordingly.
7403         (thumb_expand_epilogue): Likewise.
7404
7405         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7406         mode of clobbered scratch to DImode.  Handle a case that's known to
7407         need this.
7408
7409 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7410
7411         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7412         (gt0<mode>_compare): Delete.
7413         (neg_gt0<mode>): Delete.
7414
7415 2005-08-19  Eric Christopher  <echristo@apple.com>
7416
7417         * optabs.h: Change CTI_ to COI_.
7418         * optabs.c: Ditto.
7419
7420 2005-08-19  James E Wilson  <wilson@specifix.com>
7421
7422         * builtins.c (expand_builtin_return_addr): Set
7423         current_function_accesses_prior_frames when count != 0.  Use
7424         frame_pointer_rtx when count == 0.
7425         * function.h (struct function): Add accesses_prior_frames field.
7426         (current_function_accesses_prior_frames): Define.
7427         * reload1.c (init_elim_table): Check
7428         current_function_accesses_prior_frames.
7429         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7430
7431 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7432
7433         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7434         indicator.  Return true if the flowgraph changed during
7435         cleanup.
7436
7437 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7438
7439         PR 23476
7440         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7441         conditional expression before testing its value.
7442
7443 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7444
7445         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7446
7447 2005-08-19  Devang Patel  <dpatel@apple.com>
7448
7449         PR tree-optimization/23048
7450         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7451         third parameter. Check whether latch is dominated by exit
7452         block or not.
7453         (if_convertible_loop_p): Supply exit block itself to
7454         if_convertible_bb_p.
7455
7456 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7457
7458         PR target/23473
7459         * arm.md (arm_load_pic_register): Change argument to the mask of
7460         saved registers.  Call thumb_find_work_register if we need a
7461         scratch register on Thumb.
7462         (arm_expand_prologue): Pass empty register set to
7463         arm_load_pic_register.
7464         (thumb_expand_prologue): Pass live_regs_mask directly to
7465         arm_load_pic_register.
7466         * arm-protos.h (arm_load_pic_register): Update prototype.
7467
7468 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7469
7470         * sh.c (find_sole_member): New function.
7471         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7472         if the record's alignment is larger than the size of its only member.
7473
7474 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7475
7476         PR target/23436
7477         * arm.c (thumb_legitimize_reload_address): New function.
7478         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7479         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7480
7481 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7482
7483         * config/crx/crx.c: Implement crx_decompose_address. Reject
7484         symbolic displacements since CRX register relative adressing
7485         mode can't handle unsigned 32-bit values as displacements.
7486         * config/crx/crx.h: Simplify definitions, remove redundant
7487         parenthesis and obsolete macros.
7488         * config/crx/crx.opt: Add new switch for debugging addresses.
7489         * config/crx/crx-protos.h: Add new declarations for above.
7490
7491 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7492
7493         PR middle-end/20624
7494         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7495         looking past it.
7496
7497 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7498
7499         * collect2.c (dup2): Delete.
7500         * configure.ac: Don't check for dup2.
7501
7502         * config.in, configure: Regenerate.
7503
7504 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7505
7506         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7507         record with the type of its only member.
7508
7509 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7510
7511         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7512         define_insn_and_split.
7513         (plus_ltu<mode>_compare): Same.
7514         (gtu<mode>_compare): Same.
7515         (plus_gtu<mode>_compare): Same.
7516
7517 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7518
7519         PR tree-optimization/22228
7520         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7521         todo_flags_start.
7522         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7523         are recorded in vect_vnames_to_rename for renaming.
7524         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7525         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7526         in vect_vnames_to_rename.
7527         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7528         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7529
7530 2005-08-18  Jan Hubicka  <jh@suse.cz>
7531
7532         PR c++/22034
7533         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7534         info only for local statics, not for member variables.
7535
7536 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7537
7538         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7539
7540 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7541
7542         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7543
7544 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7545
7546         PR middle-end/16045
7547         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7548
7549 2005-08-17  James E Wilson  <wilson@specifix.com>
7550
7551         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7552         array size check.
7553
7554 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7555
7556         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7557         (leu<mode>_compare): Same.
7558         (plus_leu<mode>): Same.
7559         (neg_leu<mode>): Same.
7560         (and_neg_leu<mode): Same.
7561         (ltu<mode>_compare): Same.
7562         (plus_ltu<mode>): Same.
7563         (geu<mode>): Same.
7564         (geu<mode>_compare): Same.
7565         (plus_geu<mode>): Same.
7566         (neg_geu<mode>): Same.
7567         (and_neg_geu<mode>): Same.
7568         (plus_gt<mode>): Same.
7569         (gtu<mode>_compare): Same.
7570         (plus_gtu<mode>): Same.
7571
7572 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7573
7574         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7575         Move call_table_data to end.  Delete spurious .text.
7576         (callt_save_all_interrupt): Fix comment typo.
7577
7578 2005-08-17  James E Wilson  <wilson@specifix.com>
7579             Kevin Winchester  <winchester@amirix.com>
7580
7581         PR target/21684
7582         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7583
7584 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7585
7586         PR target/23268
7587         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7588         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7589
7590 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7591
7592         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7593         record with the type of its only member if the modes don't match.
7594
7595         * varasm.c (decode_reg_name): Skip empty additional register names.
7596
7597 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7598
7599         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7600         lsm_tmp_name_length): New.
7601         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7602         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7603
7604 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7605             Andreas Krebbel  <krebbel1@de.ibm.com>
7606
7607         * config.gcc: Added z9-109 switch.
7608         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7609         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7610         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7611         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7612         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7613         for "z9_109" cpu attribute.
7614         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7615         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7616         (s390_handle_arch_option): Added z9-109 switch.
7617         (override_options): Set respective cost function for z9-109.
7618         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7619         (legitimate_reload_constant_p): Accept extended immediates.
7620         (print_operand): Three new output modifiers added: k, m and o.
7621         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7622         (s390_output_mi_thunk): Use extended immediate when possible.
7623         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7624         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7625         (CONSTRAINT_LEN): Added length of O constraint.
7626         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7627         * config/s390/s390.md ("cpu"): New value z9_109 added.
7628         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7629         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7630         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7631         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7632         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7633         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7634         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7635         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7636         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7637         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7638         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7639         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7640         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7641         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7642         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7643         immediates.
7644         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7645         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7646         insns for TARGET_EXTIMM.
7647
7648 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7649
7650         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7651
7652 2005-08-17  Nick Clifton  <nickc@redhat.com>
7653
7654         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7655         Call default_encode_section_info.
7656
7657 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7658
7659         PR tree-optimization/21574
7660         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7661         constant, return CONSTANT.
7662         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7663         (ccp_fold, visit_assignment): Likewise.
7664         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7665
7666 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7667
7668         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7669         fold_buildN instead of buildN then fold_initializer or fold.
7670         (build_unary_op): Likewise.
7671         (build_binary_op): Likewise.
7672         * fold-const.c (fold_initializer): Remove.
7673         (fold_build1_initializer): New function.
7674         (fold_build2_initializer): New function.
7675         (fold_build3_initializer): New function.
7676         * tree.h (fold_initializer): Remove.
7677         (fold_build1_initializer): New function.
7678         (fold_build2_initializer): New function.
7679         (fold_build3_initializer): New function.
7680
7681 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7682
7683         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7684         (try_move_mult_to_index): Call fold_build2 instead of build2.
7685         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7686         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7687         fold_binary_to_constant.
7688         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7689         fold (build.
7690         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7691         check if A == gcd (A, B).  Remove TYPE argument.
7692         (analyze_offset) Use fold_build2 instead of fold (build.
7693         (create_data_ref): Likewise.
7694         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7695         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7696         then fold.
7697
7698 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7699
7700         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7701         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7702
7703 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7704
7705         PR tree-opt/23402
7706         * gimplify.c (zero_sized_type): New function.
7707         (gimplify_modify_expr_rhs): If we have a zero sized type,
7708         replace the statement with an empty statement.
7709
7710 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7711
7712         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7713         fxsave.
7714
7715 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7716
7717         * doc/tm.texi (Label Output): Correct typo.
7718
7719 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7720
7721         PR target/23376
7722         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7723         force_operand will work later on using have_insn_for.
7724
7725 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7726
7727         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7728
7729 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7730
7731         PR c++/23337
7732         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7733         vector type, don't try to construct it element by element.  Add an
7734         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7735
7736 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7737
7738         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7739
7740 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7741
7742         * doc/invoke.texi (Precompiled Headers): Document some more options
7743         which are known to be safe.
7744
7745 2005-08-16  James E Wilson  <wilson@specifix.com>
7746
7747         PR tree-optimization/21105
7748         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7749         TREE_OVERFLOW check.
7750
7751 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7752
7753         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7754         (neg_ltu<mode>): Same.
7755         (gtu<mode>): Same.
7756         (neg_gtu<mode>): Same.
7757
7758 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7759
7760         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7761         (fold_builtin_isdigit): Use fold_buildN.
7762         (build_function_call_expr): Likewise.
7763         * c-typeck.c (c_finish_loop): Likewise.
7764
7765 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7766             Richard Shann <rshann@superh.com>
7767
7768         PR middle-end/20396:
7769         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7770
7771 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7772
7773         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7774
7775 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7776
7777         PR target/23355
7778         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7779         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7780         must be saved.
7781
7782 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7783
7784         PR middle-end/23369
7785         * fold-const.c (build_range_check): Disable optimization for function
7786         pointer expressions on targets that require function pointer
7787         canonicalization.
7788
7789 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7790
7791         * simplify-rtx.c (simplify_const_relational_operation): When
7792         extracting arguments of a COMPARE, recompute the mode as well.
7793
7794 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7795
7796         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7797
7798 2005-08-15  DJ Delorie  <dj@redhat.com>
7799
7800         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7801         the stack.
7802         (movsi_splittable): Allow, but split, moves to the stack.
7803         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7804         stack.
7805
7806 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7807
7808         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7809         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7810         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7811
7812         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7813         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7814         Delete HOST_PTR_PRINTF.
7815
7816         * configure, config.in: Regenerate.
7817
7818 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7819
7820         * config/rs6000/rs6000.md (QHSI): New mode macro.
7821         (wd): Extend mode attr for QImode and HImode
7822         (dbits): New mode attr.
7823         (zero_extend<mode>di2): Convert to mode macro.
7824
7825 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7826
7827         PR target/21841
7828         * doc/invoke.texi (-mgnu-ld): Update description.
7829         (-mhp-ld): Ditto.
7830
7831 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7832
7833         PR 23391
7834         * Makefile.in (tree-chrec.o): Depends on real.h.
7835         * tree-chrec.c: Include real.h.
7836         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7837         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7838         * tree-scalar-evolution.c (add_to_evolution_1,
7839         interpret_rhs_modify_expr): Ditto.
7840
7841 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7842
7843         PR 23386
7844         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7845         step is negative compute the estimation from init downwards to zero.
7846
7847 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7848
7849         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7850
7851 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7852
7853         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7854         constraint.
7855         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7856         Accept double-word constants that can be split.
7857         * config/s390/s390.md ("movti"): Use 'P' constraint.
7858         ("*movdi_31", "*movdf_31"): Likewise.
7859
7860 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7861
7862         Fix PR tree-optimization/22615
7863
7864         * tree-ssa-structalias.c (solution_set_add): Handle
7865         first_vi_for_offset returning NULL.
7866         (do_da_constraint): Ditto.
7867         (do_sd_constraint): Ditto.
7868         (do_ds_constraint): Ditto
7869         (find_func_aliases): Ditto.
7870         (build_constraint_graph): RHS is allowed be ANYTHING.
7871         (first_vi_for_offset): Return NULL if we couldn't find anything at
7872         the offset.
7873
7874 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7875
7876         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7877         over memory as first operand.
7878
7879 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7880
7881         PR target/23360
7882         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7883         available for setting it.
7884
7885 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7886
7887         PR tree-optimization/23320
7888         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7889         data-refs' types instead of base object nullness. Add check for
7890         pointer type data-refs before first location comparison. Remove
7891         assert.
7892
7893 2005-08-14  Andreas Schwab  <schwab@suse.de>
7894
7895         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7896
7897 2005-08-13  James E Wilson  <wilson@specifix.com>
7898
7899         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7900         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7901         -fstack-protector-all, --param ssp-buffer-size): Document.
7902         (-Wvariadic-macros): Alphabetize.
7903         (-fsched-stalled-insns-dep): Add missing 'f'.
7904
7905         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7906         macros.
7907
7908 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7909
7910         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7911         or indirect address operand.
7912         (EXTRA_ADDRESS_CONSTRAINT): New.
7913         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7914
7915 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7916
7917         PR tree-optimization/22236
7918         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7919         successors and predecessors.
7920         * tree-chrec.c (chrec_convert): Before converting, check that
7921         sequences don't wrap.
7922         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7923         (analyze_array): Extern.
7924         (find_data_references_in_loop): Remove call to
7925         compute_estimated_nb_iterations.
7926         * tree-data-ref.h (analyze_array): Declared.
7927         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7928         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7929         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7930         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7931         condition.
7932         * tree-ssa-loop-ivcanon.c: Fix documentation.
7933         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7934         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7935         (infer_loop_bounds_from_undefined): New.
7936         (estimate_numbers_of_iterations_loop): Use
7937         infer_loop_bounds_from_undefined.
7938         (used_in_pointer_arithmetic_p): New.
7939         (scev_probably_wraps_p): Pass an extra parameter.  Call
7940         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7941         (convert_step): Fix documentation.
7942         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7943         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7944         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7945         scev_probably_wraps_p.
7946
7947 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7948
7949         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7950         (s390_register_info): Ignore clobbered_regs information for fixed
7951         registers, and only fixed registers.
7952         (s390_init_frame_layout): Remove redundant call.
7953
7954 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7955
7956         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7957         description of -Wold-style-casts.
7958
7959 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7960             Jakub Jelinek  <jakub@redhat.com>
7961
7962         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7963         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7964         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7965         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7966         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7967         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7968         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7969         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7970         ("stack_protect_set", "stack_protect_test"): New expanders.
7971         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7972         "stack_protect_testdi"): New insn definitions.
7973
7974 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7975
7976         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7977
7978 2005-08-12  Paul Brook  <paul@codesourcery.com>
7979
7980         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7981
7982 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7983
7984         * config/s390/predicates.md (setmem_operand): New predicate.
7985         (shift_count_operand): Accept ANDs with special constants as
7986         operand.
7987         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7988         with special constants.
7989         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7990         shift_count_operand with setmem_operand.
7991
7992 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7993
7994         * config/s390/s390.c (s390_extract_part, s390_single_part):
7995         Type cast added.
7996         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7997         (s390_output_mi_thunk): Don't use lg on 31 bit.
7998         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7999         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8000
8001 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8002
8003         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8004         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8005         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8006         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8007         with one of the new macros.
8008
8009 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8010
8011         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8012         Don't set save_return_addr_p.
8013         (s390_register_info): Make clobbered_regs not depending on
8014         save_return_addr_p.
8015
8016 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8017
8018         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8019         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8020
8021 2005-08-11  James E. Wilson  <wilson@specifix.com>
8022
8023         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8024
8025 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8026
8027         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8028         locations gathered by var-tracking in single entry loc_list
8029         over loc_descriptor_from_tree.
8030
8031         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8032         pass it down to loc_descriptor.
8033         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8034         (containing_function_has_frame_base): Move earlier in the file.
8035         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8036         instead of always assuming fbreg can't be used.
8037
8038 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8039
8040         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8041         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8042         Accept address wrapped in AND for Altivec.
8043         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8044         Strip AND wrapping offset address for Altivec.
8045
8046 2005-08-11  Richard Henderson  <rth@redhat.com>
8047
8048         PR middle-end/23312
8049         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8050         before using TYPE_IS_SIZETYPE.
8051
8052 2005-08-11  Richard Henderson  <rth@redhat.com>
8053
8054         PR target/22225
8055         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8056         insn types not present on ev4.
8057         (alphaev5_insn_pipe): Similarly.
8058
8059 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8060
8061         PR target/23250
8062         * arm.c (arm_override_options): If the user has selected callee-super-
8063         interworking, then enable normal interworking.
8064
8065 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8066
8067         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8068         redefinition.
8069
8070 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8071
8072         * doc/rtl.texi: Fix two typos.
8073
8074 2005-08-11  Richard Guenther  <rguenther@suse.de>
8075
8076         PR target/23289
8077         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8078         cases where we call to/from functions returning void.
8079
8080 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8081
8082         PR c++/23225
8083         * tree.c (build_pointer_type_for_mode): Robustify.
8084
8085 2005-08-10  James E Wilson  <wilson@specifix.com>
8086
8087         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8088         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8089
8090         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8091         "cum->".
8092
8093 2005-08-10  Eric Christopher  <echristo@apple.com>
8094
8095         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8096         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8097         V2DFmode.
8098
8099 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8100
8101         PR target/21887
8102         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8103         for the high part when generating dynamic-no-pic code.
8104
8105 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8106
8107         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8108         (x86_64-*-linux*): Likewise.
8109
8110         * config/i386/crtfastmath.c: New file.
8111         * config/i386/t-crtfm: Likewise.
8112
8113         * config/i386/linux.h (ENDFILE_SPEC): New.
8114         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8115
8116         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8117         crtfastmath.o.
8118
8119 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8120
8121         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8122         (vec_shl, vec_shr): Document new operations.
8123         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8124
8125 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8126
8127         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8128         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8129         change predicate to indexed_or_indirect_address.
8130
8131 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8132
8133         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8134         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8135         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8136         and __aeabi_uwrite8.
8137         * config/arm/unaligned-funcs.c: New file.
8138         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8139
8140 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8141
8142         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8143         Add dump.
8144         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8145         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8146         Add dump.
8147         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8148         * final.c (pass_shorten_branches): Add dump.
8149         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8150         (pass_life): Rename dump.
8151         (rest_of_handle_flow2): Remove initial verify_flow_info.
8152         * function.c (pass_instantiate_virtual_regs): Add dump.
8153         * integrate.c (pass_initial_value_sets): Add dump.
8154         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8155         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8156         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8157         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8158         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8159         gate_rtl_unrool_and_peel_loops): New.
8160         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8161         rtl_doloop): Do not look at flags.
8162         * mode-switching.c (pass_mode_switching): Add dump.
8163         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8164         pass_split_before_regstack): Add dump.
8165         * regmove.c (pass_stack_adjustments): Add dump.
8166         * tree-optimize.c (pass_fixup_cfg): Add dump.
8167
8168 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8169
8170         PR 23309
8171         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8172         deciding which instruction sequence to use.
8173
8174 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8175
8176         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8177         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8178
8179 2005-08-09  Richard Guenther  <rguenther@suse.de>
8180
8181         * c-common.c (builtin_function_2): Remove.
8182         (def_builtin_1): New function.
8183         (c_common_nodes_and_builtins): Use def_builtin_1 to
8184         build builtin functions.
8185
8186 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8187
8188         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8189         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8190         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8191         Visual DSP.
8192
8193 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8194
8195         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8196         fold_binary instead of fold_build2 since we don't care about the
8197         resulting tree.
8198         (loop_niter_by_eval): Likewise.
8199         (compare_trees): Likewise.
8200         (proved_non_wrapping_p): Likewise.
8201
8202 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8203
8204         PR c/23161
8205         PR c/23165
8206         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8207         if the if is really empty.
8208
8209 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8210
8211         PR tree-optimization/23234
8212         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8213         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8214         argument of the new enum.
8215         (execute_cse_reciprocals): Add reciprocals for function arguments
8216         on the unique successor edge of the entry block.  Update other calls
8217         to execute_cse_reciprocals_1.
8218
8219 2005-08-08  Richard Henderson  <rth@redhat.com>
8220
8221         PR 22439
8222         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8223
8224 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8225
8226         * expr.c (write_complex_part): Return after handling MEM.
8227
8228 2005-08-08  Josh Conner  <jconner@apple.com>
8229
8230         PR rtl-optimization/23241
8231         * combine.c (simplify_comparison): Fix error in determining
8232         whether to lift a subreg from comparison.
8233
8234 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8235
8236         PR target/18506
8237         * config/rs6000/altivec.md (vec_init<mode>): New.
8238         (vec_set<mode>): New.
8239         (vec_extract<mode>): New.
8240         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8241         (rs6000_expand_vector_set): New.
8242         (rs6000_expand_vector_extract): New.
8243         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8244         for Altivec modes before reload.
8245         (altivec_expand_vec_init_builtin): New.
8246         (get_element_number): New.
8247         (altivec_expand_vec_set_builtin): New.
8248         (altivec_expand_vec_ext_builtin): New.
8249         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8250         builtins.
8251         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8252         builtins.
8253         * config/rs6000/rs6000.h (rs6000_builtins): Add
8254         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8255         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8256         * config/rs6000/rs6000-protos.h: Declare new functions.
8257
8258 2005-08-08  Jan Hubicka  <jh@suse.cz>
8259
8260         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8261         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8262         * i386.md (movdi*): Use pic_32bit_operand.
8263         * predicates.md (pic_32bit_operand): New.
8264
8265 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8266
8267         PR c++/21166
8268         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8269
8270 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8271
8272         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8273         (test_for_singularity): Use fold_build2.
8274
8275 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8276
8277         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8278
8279 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8280
8281         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8282         (COMMON_ASM_OP) Define.
8283         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8284         (ix86_encode_section_info): Likewise.
8285         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8286         SUBTARGET_ENCODE_SECTION_INFO.
8287
8288 2005-08-06  Richard Henderson  <rth@redhat.com>
8289
8290         PR 21894
8291         * tree-nested.c (convert_local_reference): Save and restore val_only
8292         around component_ref and friends.  Clear walk_subtrees by default.
8293
8294 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8295
8296         PR 21366
8297         * gcc.c (process_command): Check the argument to -b has a dash.
8298         * doc/invoke.texi: Update -b and -V docs.
8299
8300 2005-08-06  James E Wilson  <wilson@specifix.com>
8301
8302         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8303
8304 2005-08-06  Michael Matz  <matz@suse.de>
8305
8306         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8307         member only if only one insn is associated with the value.
8308
8309 2005-08-06  Nick Clifton  <nickc@redhat.com>
8310
8311         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8312         New define.
8313         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8314         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8315         Check symbol flags instead of symbol name mangling.
8316         (xstormy16_asm_output_aligned_common): Likewise.  Also
8317         simplify code since the bss100_section cass is the only case
8318         where the below100 code will be triggered.
8319         (xstormy16_encode_section_info): Encode below100 attribute
8320         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8321         the name.
8322         (xstormy16_strip_name_encoding): Delete - this function is no
8323         longer needed.
8324         (TARGET_STRIP_NAME_ENCODING): Undefine.
8325         * config/stormy16/stormy16-protos.h: Delete prototype for
8326         xstormy16_strip_name_encoding.
8327
8328 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8329
8330         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8331         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8332         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8333         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8334         config/alpha/predicates.md, config/arc/arc.h,
8335         config/arm/arm.h, config/arm/ieee754-df.S,
8336         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8337         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8338         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8339         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8340         config/m68hc11/m68hc11.h, config/mips/mips.c,
8341         config/mips/mips.h, config/mips/openbsd.h,
8342         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8343         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8344         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8345         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8346         config/sparc/linux.h, config/sparc/linux64.h,
8347         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8348         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8349         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8350         typos.  Follow spelling conventions.
8351
8352 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8353
8354         PR c/23113
8355         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8356         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8357         specially.  Check for side effects only for COND_EXPR.
8358         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8359         return with TREE_NO_WARNING.
8360
8361 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8362
8363         PR rtl-optimization/23233
8364         * loop.c (combine_movables): Require the modes to be the same.
8365         (move_movables): Remove handling of cases where the replacement
8366         had a different mode to the original.
8367
8368 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8369
8370         PR tree-optimization/23128
8371         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8372         subtraction wrap, and set TREE_OVERFLOW if they do.
8373
8374 2005-08-05  Richard Henderson  <rth@redhat.com>
8375
8376         PR 21728
8377         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8378         FORCED_LABEL labels.
8379
8380 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8381
8382         PR middle-end/23135
8383         * reload.c (find_reloads_subreg_address): Pass down TYPE
8384         unchanged.  Change all callers except find_reloads_toplev.
8385
8386 2005-08-05  Michael Matz  <matz@suse.de>
8387
8388         * genattrtab.c (current_alternative_string): Remove.
8389         (SIMPLIFY_ALTERNATIVE): Ditto.
8390         (attr_alt_bit_p): Ditto.
8391         (alternative_name): Make const char *.
8392         (evaluate_eq_attr): Remove use of above things.
8393         (simplify_test_exp): Ditto.
8394         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8395         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8396
8397 2005-08-04  James E Wilson  <wilson@specifix.com>
8398
8399         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8400         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8401         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8402         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8403         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8404
8405 2005-08-04  Richard Henderson  <rth@redhat.com>
8406
8407         PR 21529
8408         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8409         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8410         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8411         if we'd have to instantiate too many members.
8412
8413 2005-08-04  Richard Henderson  <rth@redhat.com>
8414
8415         PR 21291
8416         * tree-outof-ssa.c (coalesce_asm_operands): New.
8417         (coalesce_ssa_name): Use it.  Split out ...
8418         (coalesce_phi_operands, coalesce_result_decls): ... these.
8419
8420 2005-08-04  Paul Brook  <paul@codesourcery.com>
8421
8422         * read-rtl.c (read_quoted_string): Break if EOF.
8423
8424 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8425
8426         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8427         (fold_build2): Likewise.
8428         (fold_build3): Likewise.
8429         (fold_build1_stat): New function prototype.
8430         (fold_build2_stat): Likewise.
8431         (fold_build3_stat): Likewise.
8432         * fold-const.c (fold_build1): Rename to ..
8433         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8434         through to build1_stat.
8435         (fold_build2): Rename to ..
8436         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8437         through to build2_stat.
8438         (fold_build3): Rename to ..
8439         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8440         through to build3_stat.
8441
8442 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8443             Ian Lance Taylor  <ian@airs.com>
8444
8445         * function.c (assign_stack_local_1): Do not correct stack slot
8446         address if allocation size is smaller than mode size.
8447
8448 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8449
8450         PR 22037
8451         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8452         (tree_merge_blocks): Propagate anything allowed by
8453         may_propagate_copy.
8454         Clarify documentation.
8455         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8456         SSA form, schedule an update if necessary.
8457
8458 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8459
8460         * doc/install.texi (Binaries): Remove broken link to
8461         Sinix/Reliant Unix binaries.
8462
8463 2005-08-03  Richard Henderson  <rth@redhat.com>
8464
8465         PR 23221
8466         * function.c (stack_protect_epilogue): Export.
8467         * tree.h (stack_protect_epilogue): Declare.
8468         * calls.c (expand_call): Call it.
8469
8470 2005-08-03  Eric Christopher  <echristo@apple.com>
8471
8472         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8473         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8474         spec.
8475
8476 2005-08-04  Jan Hubicka  <jh@suse.cz>
8477
8478         * profile.c (branch_prob): Split edges with goto locus on them
8479         to get proper line counts.
8480         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8481
8482 2005-08-03  Paul Brook  <paul@codesourcery.com>
8483
8484         * function.c (assign_parms): Round current_function_args_size
8485         to PARM_BOUNDARY, not STACK_BOUNDARY.
8486
8487 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8488
8489         * config/i386/i386.c (x86_elf_aligned_common)
8490         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8491
8492 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8493
8494         PR tree-optimization/23157
8495         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8496         before emitting them.
8497
8498 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8499
8500         PR tree-optimization/19899
8501         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8502         * tree-scalar-evolution.c: Include real.h.
8503         (add_to_evolution): Build constant -1 of correct type.
8504
8505 2005-08-03  Jan Hubicka  <jh@suse.cz>
8506
8507         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8508         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8509         profile updating for complette unrolling.
8510         * loop-unroll.c (peel_loop_completely): Use it.
8511         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8512         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8513         loops.
8514
8515 2005-08-03  Paul Brook  <paul@codesourcery.com>
8516
8517         * combine.c (can_change_dest_mode): New function.
8518         (try_combine, simplify_set): Use it.
8519
8520 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8521
8522         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8523         TFmode to BLKmode.
8524
8525 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8526
8527         * doc/install.texi (Specific): Adjust link to openavr.org.
8528         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8529         (Binaries): Adjust HP-UX Porting Center link.
8530         (Binaries): Adjust Free Software Foundation ordering link.
8531
8532 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8533
8534         * convert.c (convert_to_integer): Use fold_build1 instead of
8535         build1 when converting an integer to an integer.
8536
8537 2005-08-02  Richard Henderson  <rth@redhat.com>
8538
8539         * combine.c (combine_instructions): Don't use reg_equal/equiv
8540         results if the mode doesn't match.
8541
8542 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8543
8544         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8545         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8546
8547 2005-08-02  Richard Henderson  <rth@redhat.com>
8548
8549         PR 23196
8550         * explow.c (memory_address): Remove special-case for
8551         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8552
8553 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8554
8555         PR 23164
8556         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8557         number of calls to cleanup_tree_cfg_1.
8558
8559 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8560
8561         * doc/invoke.texi: document file extensions .F90 and .F95
8562
8563 2005-08-02  Richard Guenther  <rguenther@suse.de>
8564
8565         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8566         positive if its first argument is positive.
8567
8568 2005-08-02  Richard Guenther  <rguenther@suse.de>
8569
8570         PR tree-optimization/23177
8571         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8572         on TMR_TAG.
8573
8574 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8575
8576         PR tree-optimization/23129
8577         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8578         varying for divisions with anti-ranges.
8579
8580 2005-08-02  Jan Hubicka  <jh@suse.cz>
8581
8582         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8583         * tree-ssa-threadupdate.c (thread_block): Add it here.
8584
8585 2005-08-01  James E Wilson  <wilson@specifix.com>
8586
8587         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8588         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8589         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8590         New.
8591         * config/mips/predicates.md (const_call_insn_operand): Add check for
8592         SYMBOL_REF_LONG_CALL_P.
8593         * doc/extend.texi (long_call): Document the new attribute.
8594
8595 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8596             Richard Henderson  <rth@redhat.com>
8597
8598         * Makefile.in (RTL_BASE_H): Add real.h.
8599         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8600         instead of memcpy.
8601         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8602         directly.
8603         * rtl.c (rtl_check_failed_code_mode): New.
8604         * rtl.h (struct rtx_def): Add u.rv.
8605         (XCMWINT, XCNMPRV): New.
8606         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8607         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8608
8609 2005-08-01  Richard Henderson  <rth@redhat.com>
8610
8611         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8612         with auto-inc codes.
8613
8614         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8615
8616 2005-08-01  Jan Hubicka  <jh@suse.cz>
8617
8618         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8619         * i386.c: Include dwarf2.h
8620         (asm_preferred_eh_data_format): New.
8621         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8622
8623 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8624
8625         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8626         randomize_va_space for virtual address randomization control.
8627
8628 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8629
8630         * common.opt (flag_ipa_cp): Put in right place to maintain
8631         alphabetic sort.
8632
8633 2005-08-01  Jan Hubicka  <jh@suse.cz>
8634
8635         * profile.c (compute_value_histograms): Fix thinko.
8636         * value-prof.c: Include toplev.h
8637         (check_counter): New function.
8638         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8639         tree_mod_subtract_transform): Add sanity check.
8640
8641 2005-08-01  Richard Guenther  <rguenther@suse.de>
8642
8643         PR tree-optimization/23133
8644         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8645         current functions parameter decls to find defs to cse
8646         reciprocals of.
8647
8648 2005-08-01  Richard Guenther  <rguenther@suse.de>
8649
8650         PR tree-optimization/23109
8651         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8652         If trapping math is in effect, use post-dominator information
8653         to check if we'd in any case reach a trapping point before
8654         doing the reciprocal insertion.
8655         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8656         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8657         expressions are invariant only if trapping math is not in effect.
8658
8659 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8660
8661         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8662         cgraph_function_versioning): New declarations.
8663         * cgraphunit.c: Add include to ipa-prop.h.
8664         (update_call_expr, cgraph_copy_node_for_versioning,
8665         cgraph_function_versioning): New functions.
8666         * integrate.c (copy_decl_for_inlining): Remove.
8667         * ipa-prop.h (ipa_replace_map): New struct.
8668         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8669         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8670         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8671         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8672         ipcp_iterate_stage, ipcp_method_scale_print,
8673         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8674         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8675         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8676         ipcp_update_bb_counts, ipcp_update_profiling,
8677         ipcp_update_edges_counts): New functions.
8678         (ipcp_method_cval_init): Remove restriction regarding local methods.
8679         (ipcp_init_stage): Add ipcp_method_compute_scale.
8680         (ipcp_insert_stage): Add versioning.
8681         (ipcp_structures_print): Add ipcp_method_scale_print.
8682         (ipcp_driver): Dump profiling info.
8683         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8684         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8685         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8686         (struct inline_data): Add versioning_p, ipa_info, new fields.
8687         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8688         declare_return_variable): Replace calls to copy_decl_for_inlining with
8689         copy_decl_for_dup.
8690         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8691         versioning support.
8692         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8693         Add argument VERSIONING.
8694         (copy_arguments_for_versioning, copy_static_chain,
8695         function_versionable_p, tree_versionable_function_p,
8696         tree_function_versioning, replace_ref_tree): New functions.
8697         * tree-inline.h: Include varray.h.
8698         (tree_versionable_function_p,  tree_function_versioning,
8699         tree copy_decl_for_dup): New declarations.
8700
8701 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8702
8703         * ipa-cp.c: New file. Contains IPCP specific functionality.
8704         * ipa-prop.h: New file. Contains structures/definitions that can be
8705         used by several interprocedural data flow optimizations (and also IPCP).
8706         * ipa-prop.c: New file.
8707         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8708         * common.opt: Add ipa-cp flag.
8709         * timevar.def: Add IPCP optimization.
8710         * tree-optimize.c (init_tree_optimization_passes): Schedule
8711         pass_ipa_cp.
8712         * tree-pass.h (pass_ipa_cp): Declare.
8713
8714 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8715
8716         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8717         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8718         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8719         config/i386/i386.c, config/mips/mips.h,
8720         config/rs6000/rs6000.h, config/sh/sh.c,
8721         config/stormy16/stormy16.c: Fix comment typos.
8722
8723 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8724
8725         PR c/22311
8726         * c-typeck.c (build_binary_op): Use common_type wrapper on
8727         shortened types.
8728         (common_type): Update comment.
8729
8730 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8731
8732         PR target/23095
8733         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8734         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8735         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8736
8737 2005-07-31  Jan Hubicka  <jh@suse.cz>
8738
8739         * pretty-print.h (pp_widest_integer): New macro.
8740         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8741         counts.
8742
8743 2005-07-31  Jan Hubicka  <jh@suse.cz>
8744
8745         * output.h (enum section_category): Export from varasm.c
8746         (categorize_decl_for_section): Likewise.
8747         * varasm.c (enum section_category): Kill.
8748         (categorize_decl_for_section): Make global.
8749         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8750         Declare.
8751         * i386.c (ix86_section_threshold): New static variable.
8752         (ix86_in_large_data_p, ix86_encode_section_info,
8753         x86_64_elf_unique_section,
8754         x86_64_elf_select_section): New functions.
8755         (TARGET_ENCODE_SECTION_INFO): Define
8756         (override_options): Enable medium model for PIC.
8757         (ix86_expand_prologue): Expand gen_set_got_rex64.
8758         (legitimate_constant_p): Handle new UNSPECs.
8759         (legitimate_pic_address_disp_p): Likewise.
8760         (legitimize_pic_address): Lower MEDIUM model addressing.
8761         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8762         (enum cmodel): Add MEDIUM_PIC.
8763         (SYMBOL_REF_FAR_ADDR_P): New macro.
8764         (SYMBOL_FLAG_FAR_ADDR): New flag.
8765         * i386.md (movdi): Support medium model.
8766         (set_got_rex64): New pattern.
8767         * i386.opt (mlarge-data-threshold): New flag.
8768         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8769         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8770         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8771         TARGET_ASM_UNIQUE_SECTION): New.
8772
8773         * invoke.texi (-mlarge_data_threshold): Document
8774
8775 2005-07-31  Jan Hubicka  <jh@suse.cz>
8776
8777         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8778         (coalesce_vars): Likewise.
8779         * tree-ssa-live.c (coalesce_cost): New.
8780         (build_tree_conflict_graph): Use coalesce_cost.
8781         * tree-ssa-live.h (coalesce_cost): Declare.
8782
8783 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8784
8785         * arm.md (all peepholes for post-increment operations): Delete.
8786         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8787         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8788         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8789         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8790         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8791
8792 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8793
8794         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8795         non-integral types.
8796
8797 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8798
8799         PR target/22582
8800         * doc/invoke.texi: Document -rdynamic.
8801
8802 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8803
8804         PR c/23143
8805         * c-parser.c (c_parser_parms_list_declarator): Call
8806         mark_forward_parm_decls.
8807         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8808         decls with visibility structure.
8809
8810 2005-07-30  Paul Brook  <paul@codesourcery.com>
8811
8812         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8813
8814 2005-07-30  Paul Brook  <paul@codesourcery.com>
8815
8816         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8817         prototype.
8818         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8819         value for mode.
8820         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8821
8822 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8823
8824         PR c/529
8825         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8826         nested function declarators.
8827         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8828         (grokparms): Call warn_if_shadowing for parameters used within the
8829         parameter list.
8830         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8831         not used within the parameter list.
8832         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8833
8834 2005-07-30  Jan Hubicka  <jh@suse.cz>
8835
8836         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8837         * i386.c (ix86_fixup_binary_operands): Likewise.
8838         (ix86_expand_unary_operator): Likewise.
8839         (ix86_expand_fp_absneg_operator): Likewise.
8840         * optabs.c (expand_vec_cond_expr): Validate dest.
8841
8842 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8843
8844         PR c/21720
8845         * real.c (real_from_string): Also set last bit if there is a
8846         nonzero hex digit beyond GCC's internal precision after ".".
8847
8848 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8849
8850         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8851         define_constants.  Change duplicate values to unassigned numbers.
8852         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8853         (*altivec_vspltsf): New.
8854         (altivec_vperm_v4sf): Delete.
8855         (altivec_vperm_<mode>): Use mode macro V.
8856         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8857         (altivec_predicate_v4sf): Delete.
8858         (altivec_predicate_<mode>): Use mode macro V.
8859         (*altivec_lvesfx): New.
8860         (*altivec_stvesfx): New.
8861         (vec_realign_load_v4sf): Delete.
8862         (vec_realign_load_<mode>): Use mode macro V.
8863         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8864         UNSPECV_SET_VRSAVE.
8865
8866 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8867
8868         PR bootstrap/23131
8869         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8870         string.
8871         * configure: Regenerated.
8872
8873 2005-07-29  Paul Brook  <paul@codesourcery.com>
8874
8875         * doc/install.texi: Add link to GFortran binaries wiki page.
8876
8877 2005-07-29  David Ung  <davidu@mips.com>
8878
8879         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8880         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8881         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8882         * config/mips/mips.md (cpu): Add 5kf name.
8883         (includes): Includes 5k.md.
8884         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8885         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8886         -march flag.
8887
8888 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8889
8890         PR 22550
8891         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8892         (cleanup_tree_cfg): ... here.
8893         Call cleanup_tree_cfg_1 until there are no more cleanups to
8894         do.
8895
8896 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8897
8898         * tree-vrp.c (compare_range_with_value): Return true or false
8899         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8900         EQ_EXPR respectively.
8901
8902 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8903
8904         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8905         Fix comment typos.
8906
8907 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8908
8909         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8910         (tree_ssa_dominator_optimize): Increment it.
8911         (dump_dominator_optimization_stats): Print it.
8912
8913 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8914             Steven Bosscher  <stevenb@suse.de>
8915
8916         PR rtl-optimization/23117
8917         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8918         when head == tail.  Tidy comment.
8919
8920 2005-07-28  Richard Henderson  <rth@redhat.com>
8921
8922         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8923         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8924         * jump.c (rtx_renumbered_equal_p): Likewise.
8925         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8926         CONST_INT and CONST_DOUBLE.
8927         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8928         * reload.c (operands_match_p): Special case CONST_INT and
8929         CONST_DOUBLE; check mode earlier.
8930
8931 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8932
8933         PR c/22240
8934         * c-typeck.c (convert_for_assignment): Do not check
8935         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8936
8937 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8938
8939         PR c/22192
8940         * c-typeck.c (composite_type): Prefer constant size arrays to
8941         VLAs.
8942
8943 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8944
8945         PR c/21720
8946         * real.c (real_from_string): Set last bit if there is a nonzero
8947         hex digit beyond GCC's internal precision.
8948
8949 2005-07-28  Richard Henderson  <rth@redhat.com>
8950
8951         PR rtl-opt/22619
8952         * cfgcleanup.c (try_forward_edges): Watch out for end of
8953         insn chain.
8954
8955 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8956
8957         PR c/23106
8958         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8959
8960 2005-07-28  Jan Hubicka  <jh@suse.cz>
8961
8962         * Makefile.in (rtl-profile.o): Kill all traces of it.
8963         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8964         * coverage.h (rtl_coverage_counter_ref): Kill.
8965         * opts.c (flag_speculative_prefetching_set): Kill.
8966         (flag_loop_optimize_set): New.
8967         (common_handle_option): Disable loop optimizer when profiling;
8968         do not handle speculative prefetching.
8969         * passes.c (init_optimization_passes): Replace pass_profiling combo
8970         by branch_prob pass.
8971         * profile.c (compute_value_histograms): Update for simplified value
8972         profiles.
8973         (rtl_register_profile_hooks): Kill.
8974         (pass_profiling): Kill.
8975         (rest_of_handle_branch_prob): Do not profile.
8976         * toplev.c (process_options): Remove speculative prefetching.
8977         * toplev.h (flag_tree_based_profiling): Kill.
8978         * tree-profile.c (prepare_instrumented_value,
8979         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8980         tree_gen_one_value_profiler, do_tree_profiling): Update for
8981         simplified datastructures.
8982         * value-prof.c: Add comment that speculative prefetching was dropped;
8983         update rest of file for simplified datastructures.
8984         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8985         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8986         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8987         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8988         rtl_mod_subtract, gen_speculative_prefetch,
8989         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8990         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8991         (gate_handle_value_profile_transformations,
8992         rest_of_handle_value_profile_transformations,
8993         pass_value_profile_transformations): Kill.
8994         * value-prof.h (histogram_value_t): Remove IL based unions.
8995         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8996         rtl_profile_hooks): Remove hooks.
8997
8998         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8999
9000         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9001         (cgraph_clone_node): Likewise.
9002         * cgraph.h (cgraph_clone_edge): Update prototype.
9003         (cgraph_clone_node): Likewise.
9004         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9005         cgraph_clone_node.
9006         (lookup_recursive_calls): Consider profile.
9007         (cgraph_decide_recursive_inlining): Fix updating; use new
9008         probability argument; use profile.
9009         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9010         * tree-inline.c (copy_bb): Update clal of clone_edge.
9011         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9012
9013         * invoke.texi (min-inline-recursive-probability): Document.
9014
9015 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9016
9017         * doc/install.texi (Configuration): Update Valgrind homepage.
9018
9019 2005-07-28  Richard Henderson  <rth@redhat.com>
9020
9021         PR middle-end/21362
9022         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9023         labels we want to delete.
9024         (cfg_layout_merge_blocks): Likewise.
9025
9026 2005-07-28  Richard Henderson  <rth@redhat.com>
9027
9028         PR target/17692
9029         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9030         when expanding to nothing.
9031
9032 2005-07-28  Josh Conner  <jconner@apple.com>
9033
9034         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9035         (cgraph_decide_inlining_of_small_functions): Likewise.
9036
9037 2005-07-28  Josh Conner  <jconner@apple.com>
9038
9039         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9040         direction of badness if negative.
9041         (cgraph_default_inline_p): Add reason to parameters, and assign it
9042         a value.
9043         (cgraph_decide_inlining_of_small_functions): New parameter in call
9044         to cgraph_default_inline_p.
9045         (cgraph_decide_inlining_incrementally): Likewise.
9046         * cgraphunit.c (decide_is_function_needed): Likewise.
9047         * cgraph.h (cgraph_default_inline_p): Likewise.
9048
9049 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9050
9051         * builtins.c: Fix comment typo(s).
9052         * genautomata.c: Likewise.
9053         * gimplify.c: Likewise.
9054         * tree-dfa.c: Likewise.
9055         * tree-flow-inline.h: Likewise.
9056         * tree-into-ssa.c: Likewise.
9057         * tree-ssa-alias.c: Likewise.
9058         * tree-ssa-ccp.c: Likewise.
9059         * tree-ssa-copy.c: Likewise.
9060         * tree-ssa-dce.c: Likewise.
9061         * tree-ssa-dom.c: Likewise.
9062         * tree-ssa-operands.c: Likewise.
9063         * tree-tailcall.c: Likewise.
9064         * tree-vectorizer.c: Likewise.
9065         * tree-vrp.c: Likewise.
9066         * tree.c: Likewise.
9067
9068 2005-07-28  Jeff Law  <law@redhat.com>
9069
9070         * tree-vrp.c (test_for_singularity): Extracted from  ...
9071         (simplify_cond_using_ranges): Attempt to simplify a relational
9072         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9073
9074 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9075
9076         PR tree-optimization/22506
9077         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9078         phis whose argument is constant.
9079
9080 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9081
9082         PR rtl-optimization/18992
9083         Back out this patch:
9084           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9085           PR optimization/12142
9086           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9087           uses of the register in the SET_SRC.  Remove unnecessary argument.
9088
9089         Replace it with this:
9090         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9091         if flag_non_call_exceptions is set and the insn may trap, pass
9092         pc_rtx as dest for recursion.
9093         In SET_SRC part of SET case, if dest is already set, pass it down
9094         unchanged.
9095
9096 2005-07-28  Jan Hubicka  <jh@suse.cz>
9097
9098         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9099         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9100         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9101         roundoff errors.
9102         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9103         profile when available.
9104
9105 2005-07-28  Jan Beulich <jbeulich@novell.com>
9106
9107         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9108         (ia64_print_operand): Describe and handle 'X'.
9109         (ia64_register_move_cost): Also handle FP_REGS.
9110         (ia64_preferred_reload_class): Likewise.
9111         (ia64_secondary_reload_class): Likewise.
9112         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9113         it. Also check for ITANIUM_CLASS_FLDP.
9114         * config/ia64/ia64.h (FP_REGNO_P): New.
9115         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9116         (reg_class): Add FP_REGS.
9117         (REG_CLASS_NAMES): Adjust for it.
9118         (REG_CLASS_CONTENTS): Likewise.
9119         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9120         (REG_CLASS_FROM_LETTER): Handle 'x'.
9121         (CLASS_MAX_NREGS): Handle FP_REGS.
9122         (MEMORY_MOVE_COST): Likewise.
9123         * config/ia64/ia64.md (itanium_class): Add fldp.
9124         (type): Handle fldp.
9125         (movti_internal): More allowable operand combinations. Use ldfp8 when
9126         splitting unnecessary. Remove predicable attribute. Adjust
9127         itanium_class attribute.
9128         (smuldi3_highpart): Remove outdated comment.
9129         (mulditi3, umulditi3, rotlti3): New expanders.
9130         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9131         (absti2): Disabled new insn for future reference.
9132         Respective new splitters.
9133         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9134         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9135         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9136
9137 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9138
9139         PR rtl-optimization/23047
9140         * simplify-rtx.c (simplify_const_relational_operation): Respect
9141         flag_wrapv for comparisons with ABS.
9142
9143 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9144
9145         PR tree-optimization/22493
9146         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9147         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9148
9149 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9150
9151         * config/frv/frv.opt (moptimize-membar): New.
9152
9153         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9154
9155         * config/frv/frv.h: Remove machine_function definition.
9156
9157         * config/frv/frv.c (struct frv_io): New.
9158         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9159         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9160         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9161         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9162         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9163         (frv_reorg): Call frv_optimize_membar when appropriate.
9164         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9165         (frv_expand_builtin): Adjust calls accordingly.
9166         (frv_io_address_cookie): New function.
9167         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9168         load or store rather than a special insn.  Add ccnstant address and
9169         io-type operands to the membar.
9170         (frv_ifcvt_modify_tests): Unsign regno.
9171         (frv_ifcvt_modify_tests): Same.
9172
9173         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9174         UNSPEC_OPTIONAL_MEMBAR constant.
9175         (builtin_read_<mode>): Delete.
9176         (builtin_write_<mode>): Delete.
9177         ("optional_membar_<mode>"): Add operand.
9178
9179         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9180         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9181         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9182         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9183         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9184         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9185         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9186         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9187         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9188
9189 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9190
9191         * df.c (df_uses_record): Handle SCRATCH.
9192
9193 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9194
9195         PR debug/20161
9196         * passes.c (rest_of_decl_compilation): If decl is a type and
9197         we have encountered errors, don't emit debug information.
9198
9199 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9200
9201         * params.def: Fixed comment.
9202
9203 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9204
9205         PR target/19885
9206         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9207         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9208         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9209
9210 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9211
9212         PR c++/22003
9213         * varasm.c (assemble_start_function): Don't do anything that may
9214         require a CFG if the current function is a thunk.
9215
9216 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9217
9218         * doc/install.texi (Prerequisites): Mention that perl is needed
9219         to do export control in libstdc++ targetting Darwin.
9220
9221 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9222
9223         PR rtl-optimization/17808
9224         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9225         (sched_insns_conditions_mutex_p): Split out from...
9226         (add_dependence): ...here.  But don't call it from here.
9227         (add_dependence_list): Check sched_insns_conditions_mutex_p
9228         before calling add_dependence.
9229         (add_dependence_list_and_free): Likewise.
9230         (fixup_sched_groups): Likewise.
9231         (sched_analyze_1): Likewise.
9232         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9233         (sched_analyze): Likewise.
9234         (sched_analyze_insn): Likewise.
9235         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9236         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9237         dependencies on all COND_EXEC insns to jumps ending basic blocks
9238         when doing intrablock scheduling.
9239         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9240
9241 2005-07-27  Jeff Law  <law@redhat.com>
9242
9243         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9244         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9245         equivalency sets, correctly handle the case were vr0 has an
9246         equivalency set, but vr1 does not.
9247
9248 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9249
9250         PR tree-optimization/23073
9251         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9252         vect_print_dump_info before fprintf.
9253
9254 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9255
9256         PR tree-optimize/22348
9257         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9258         Fold the partial computation.
9259
9260 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9261
9262         PR tree-optimization/22325
9263         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9264         Declare.
9265         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9266         value replacement.
9267         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9268         (force_var_cost): ... this function.
9269         (compute_phi_arg_on_exit): Export.
9270
9271 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9272
9273         PR tree-optimization/20773
9274         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9275         edge.
9276
9277 2005-07-27  Richard Guenther  <rguenther@suse.de>
9278
9279         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9280         Avoid pushing again if current struct contains only
9281         fields we decomposed.
9282
9283 2005-07-27  Jan Hubicka  <jh@suse.cz>
9284
9285         PR tree-optimization/22574
9286         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9287         not available.
9288
9289         * tree-tailcall.c (decrease_profile): New function.
9290         (eliminate_tail_call): Use it.
9291
9292         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9293         visibility flags correctly in whole program mode.
9294
9295 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9296
9297         PR rtl-optimization/22472
9298         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9299
9300 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9301
9302         PR tree-optimization/22504
9303         * tree-complex.c (expand_complex_addition): Use 'code' instead
9304         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9305
9306 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9307
9308         * config.gcc (cpu_type): Add frv case.
9309         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9310         (supported_defaults): Add fr550 case.
9311
9312 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9313
9314         PR 22591
9315         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9316         whether a pointer of type T * may point to objects of type T *.
9317
9318 2005-07-26  DJ Delorie  <dj@redhat.com>
9319
9320         * configure: Regenerate.
9321
9322 2005-07-26  Dale Johannesen  <dalej@apple.com>
9323
9324         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9325
9326 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9327
9328         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9329         Clarify use of "build" in name.
9330
9331 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9332
9333         * doc/extend.texi (Raw read/write Functions): New section.
9334         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9335         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9336         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9337         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9338         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9339         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9340         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9341         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9342         * config/frv/frv.c: Add bdesc_loads global.
9343         Add bdesc_stores global.
9344         (frv_init_builtins): Add support for __builtin_{read/write}*.
9345         (frv_volatile_memref): New.
9346         (frv_expand_load_builtin): New.
9347         (frv_expand_store_builtin): New.
9348         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9349         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9350         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9351         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9352         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9353         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9354         (builtin_read_<mode>): New.
9355         (builtin_write_<mode>): New.
9356         (builtin_write64): New.
9357         (optional_membar_<mode>): New.
9358
9359 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9360
9361         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9362         (rather than units) against HOST_BITS_PER_WIDE_INT.
9363
9364 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9365
9366         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9367         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9368         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9369         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9370         FSF address.
9371
9372         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9373         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9374         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9375         comment typos.
9376         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9377
9378 2005-07-26  Richard Guenther  <rguenther@suse.de>
9379
9380         PR tree-optimization/22486
9381         * fold-const.c (fold_unary): Fold away useless component
9382         references of the form (T *)&T.x, if the address
9383         doesn't change.
9384
9385 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9386
9387         * dwarf2out.c (add_call_src_coords_attributes): New.
9388         (gen_inlined_subroutine_die): Call it.
9389         (maybe_emit_file, init_file_table): Add comments.
9390         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9391         maybe_emit_file.
9392         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9393         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9394         * tree.h (BLOCK_SOURCE_LOCATION): New.
9395         (struct tree_block): New field locus.
9396
9397 2005-07-26  Andreas Schwab  <schwab@suse.de>
9398
9399         PR rtl-optimization/23043
9400         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9401         when allocating a struct unoccr.
9402
9403 2005-07-25  Richard Henderson  <rth@redhat.com>
9404
9405         PR 22626
9406         * tree-complex.c (gate_no_optimization): True if errors.
9407         * Makefile.in (tree-complex.o): Update dependencies.
9408
9409 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9410
9411         * config/frv/predicates.md (integer_register_operand): Use
9412         GPR_AP_OR_PSEUDO_P.
9413
9414 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9415
9416         PR tree-opt/22484
9417         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9418         after fold.
9419         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9420
9421 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9422
9423         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9424         types when flag_unsafe_math_optimizations is true.
9425
9426 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9427
9428         * gcc.c (option_map): Add --sysroot.
9429         (process_command): Handle --sysroot.
9430         (display_help): Document it.
9431         * doc/cppopts.tex (-isysroot): Document.
9432         * doc/invoke.texi (--sysroot): Document.
9433         * doc/install.texi (--with-build-sysroot): Document.
9434
9435         * Makefile.in (inhibit_libc): New variable.
9436         (INHIBIT_LIBC_CFLAGS): Likewise.
9437         (LIBGCC2_CFLAGS): Include
9438         $(INHIBIT_LIBC_CFLAGS).
9439         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9440         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9441         ($(T)crtend.o): Likewise.
9442         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9443         ($(T)crtendS.o): Likewise.
9444         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9445         ($(T)crtendT.o): Likewise.
9446         (stmp-fixinc): Do not complain about missing headers if
9447         inhibit_libc.
9448         * configure.ac (inhibit_libc): Set it to true/false.
9449         (--with-build-sysroot): New option.  Use it to set
9450         SYSTEM_HEADER_DIR.
9451         * configure: Regenerated.
9452
9453 2005-07-25  Manfred Hollstein  <mh@suse.com>
9454
9455         * calls.c (store_one_arg): Fix unsigned comparison warning.
9456
9457 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9458
9459         PR other/22337
9460         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9461         (ggc_print_statistics): Initialize variable before use.
9462
9463 2005-07-25  Richard Guenther  <rguenther@suse.de>
9464
9465         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9466         calling with a PHI_NODE argument.
9467
9468         * tree-flow-inline.h (overlap_subvar): Protect against
9469         possible overflow.
9470
9471 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9472
9473         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9474         * configure: Regenerate.
9475
9476 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9477
9478         * expr.c (highest_pow2_factor): Make extern.
9479         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9480         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9481         record_array_differ_p, array_ptr_differ_p): Likewise.
9482         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9483         additional cases. Call the above functions.
9484         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9485         base_object_differ_p when there are two base objects. Otherwise, compare
9486         base address and offset. Call may_alias_p.
9487         (dump_data_reference): Use a correct field name.
9488         (analyze_array): Make static. Initialize new data-ref fields.
9489         (analyze_indirect_ref): New function.
9490         (init_data_ref): Initialize new data-ref fields.
9491         (strip_conversion): Moved from tree-vect-analyze.c.
9492         (analyze_offset_expr, get_ptr_offset, address_analysis,
9493         object_analysis): Likewise.
9494         (analyze_offset): New function.
9495         (create_data_ref): Likewise.
9496         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9497         dimensions for ARRAY_REFs only.
9498         (build_classic_dist_vector): Make static.
9499         (access_functions_are_affine_or_constant_p): Call macro to get the
9500         address of access functions.
9501         (compute_all_dependences): Add new parameter
9502         compute_self_and_read_read_dependences. Compute self and read-read
9503         dependences if it is true.
9504         (find_data_references_in_loop): Call create_data_ref. Initialize new
9505         data-ref fields.
9506         (compute_data_dependences_for_loop): Add new parameter
9507         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9508         compute nb_loops. Call compute_all_dependences,
9509         build_classic_dist_vector and build_classic_dir_vector with correct
9510         parameters.
9511         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9512         with correct parameters. Compare dimensions for ARRAY_REFs only.
9513         (free_data_refs): Call macro to free access functions.
9514         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9515         fields from stmt_vinfo.
9516         (struct base_object_info): New structure.
9517         (struct data_reference): Move fields to base_object_info. Add fields
9518         first_location and object_info for above structures. Move fields from
9519         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9520         aligned_to.  Add macros to access the new fields.
9521         Update functions declarations.
9522         * tree-flow.h (is_aliased_with): Declare.
9523         * tree-loop-linear.c (linear_transform_loops): Call
9524         compute_data_dependences_for_loop with correct parameters.
9525         * tree-ssa-alias.c (is_aliased_with): New function.
9526         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9527         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9528         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9529         vect_base_addr_differ_p, compute_subscript_distance and
9530         build_classic_dist_vector. Add printings. Check absolute value of
9531         distance.
9532         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9533         data-refs.
9534         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9535         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9536         to bytes. Add printing.
9537         (vect_compute_data_refs_alignment): Go through loads and stores in one
9538         loop.
9539         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9540         vect_analyze_data_ref_access): Likewise.
9541         (vect_analyze_pointer_ref_access): Remove.
9542         (vect_address_analysis, vect_object_analysis): Likewise.
9543         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9544         and analyze data-refs in the loop.
9545         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9546         fields of data-ref instead of stmt. Add init to the offset from the
9547         base.
9548         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9549         (vect_update_init_of_dr): Likewise.
9550         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9551         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9552         removed fields.
9553         (new_loop_vec_info): Initialize new fields.
9554         (destroy_loop_vec_info): Free new fields.
9555         (vect_strip_conversion): Remove.
9556         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9557         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9558         datarefs. Add new field ddrs.
9559         Add macros for the new fields access.
9560         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9561         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9562         Remove their macros.
9563         * tree.h (highest_pow2_factor): Declare.
9564
9565 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9566
9567         * calls.c (store_one_arg): Check for sibling call MEM arguments
9568         from already clobbered incoming argument area.
9569
9570 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9571
9572         * c-common.c (check_missing_format_attribute): New.
9573         * c-common.h (check_missing_format_attribute): Likewise.
9574         * c-typeck.c (convert_for_assignment): Use it.
9575
9576 2005-07-24  Andreas Schwab  <schwab@suse.de>
9577
9578         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9579         register use a word move.  Correct operand of ext.w in 68000 code.
9580
9581 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9582
9583         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9584         variables as declarations, rather than definitions.
9585
9586 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9587
9588         PR tree-optimization/22526
9589         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9590         of the zero node.
9591
9592 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9593
9594         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9595         that C99 reserve for future use. Use it to define clog10,
9596         clog10f and clog10l.
9597
9598 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9599
9600         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9601         * configure.ac: Check for -Wmissing-format-attribute.
9602
9603         * configure: Regenerate.
9604
9605 2005-07-23  Richard Henderson  <rth@redhat.com>
9606
9607         PR tree-optimization/22623
9608         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9609
9610 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9611
9612         PR target/22577
9613         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9614
9615 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9616
9617         * Makefile.in (C_TREE_H): Update dependencies.
9618         * c-tree.h: Include toplev.h.
9619         * diagnostic.h (diagnostic_set_info): Add format attribute.
9620         * rtl-error.c (diagnostic_for_asm): Likewise.
9621
9622 2005-07-23  Chao-ying Fu  <fu@mips.com>
9623
9624         * config/mips/mips-dsp.md: New file.
9625         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9626         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9627         functions.
9628         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9629         MIPS_BUILTIN_BPOSGE32.
9630         (mips_expand_builtin_direct): Add one parameter to indicate that
9631         builtin functions need to return a value.
9632         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9633         functions.
9634         (mips_regno_to_class): Add classes for 12 new DSP registers.
9635         (mips_subword): Change to check four HI registers.
9636         (mips_output_move): Output move to and from 6 new DSP accumulators.
9637         (override_options): Make sure -mdsp and -mips16 are not used together.
9638         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9639         for machine modes.
9640         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9641         when !TARGET_DSP.
9642         (print_operand): Add 'q' for printing DSP accumulators.
9643         (mips_cannot_change_mode_class): Check ACC_REGS.
9644         (mips_secondary_reload_class): Check ACC_REGS.
9645         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9646         (mips_register_move_cost): Check ACC_REGS.
9647         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9648         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9649         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9650         (dsp_bdesc): New array.
9651         (bdesc_arrays): Add DSP builtin function table.
9652         (mips_prepare_builtin_arg): Check predicate again after
9653         copy_to_mode_reg.
9654         (mips_expand_builtin): Add one more parameter to
9655         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9656         MIPS_BUILTIN_BPOSGE32.
9657         (mips_init_builtins): Initialize new function types.
9658         (mips_expand_builtin_direct): Check if builtin functions need to
9659         return a value and pass operands properly.
9660         (mips_expand_builtin_bposge): New function.
9661         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9662         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9663         (FIRST_PSEUDO_REGISTER): Increase to 188.
9664         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9665         Update for 12 new DSP registers.
9666         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9667         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9668         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9669         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9670         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9671         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9672         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9673         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9674         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9675         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9676         (REGISTER_NAMES): Add names for 12 new DSP registers.
9677         * config/mips/mips.md: Include mips-dsp.md.
9678         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9679         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9680         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9681         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9682         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9683         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9684         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9685         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9686         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9687         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9688         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9689         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9690         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9691         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9692         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9693         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9694         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9695         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9696         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9697         (UNSPEC_RDDSP): New constants.
9698         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9699         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9700         A<-d alternative.
9701         * config/mips/mips.opt (-mdsp): New option.
9702         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9703         (reg_imm10_operand): New predicates.
9704         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9705         * doc/invoke.texi (-mdsp): Document new option.
9706
9707 2005-07-22  DJ Delorie  <dj@redhat.com>
9708
9709         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9710         to warning calls.
9711         * tree-inline.c (inlinable_function_p): Likewise.
9712
9713 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9714
9715         PR debug/21828
9716         * toplev.c (check_global_declarations): Do not mark undefined
9717         variables as DECL_IGNORED_P.
9718         * varasm.c (first_global_object_name): GTY it.
9719         (weak_global_object_name): Likewise.
9720         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9721         a string to go into {weak,first}_global_object_name.
9722
9723 2005-07-22  DJ Delorie  <dj@redhat.com>
9724
9725         * c-format.c (check_function_format): Change warning control
9726         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9727
9728 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9729
9730         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9731         &PTR->FLD a dereference of PTR.
9732         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9733         a potential dereference of PTR.
9734
9735 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9736
9737         PR rtl-optimization/20370
9738         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9739         call allocate_reg_info if necessary.
9740
9741         PR rtl-optimization/21848
9742         * calls.c (emit_library_call_value_1): For const functions, add
9743         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9744
9745         PR rtl-optimization/22445
9746         * cselib.c (target.h): Include.
9747         (rtx_equal_for_cselib_p): Allow commutative matches.
9748         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9749         Remove MODE parameter.  Changed all callers.
9750
9751         PR rtl-optimization/22258
9752         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9753         New functions.
9754         (try_combine): Use likely_spilled_retval_p.
9755
9756 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9757
9758         * config.gcc: Add crx-elf support.
9759
9760         * doc/contrib.texi: Mention crx.
9761         * doc/extend.texi: Document crx extensions.
9762         * doc/install.texi: Document crx install.
9763         * doc/invoke.texi: Document crx options.
9764         * doc/md.texi: Document crx constraints.
9765
9766         * config/crx/crx-protos.h: New file.
9767         * config/crx/crx.c: New file.
9768         * config/crx/crx.h: New file.
9769         * config/crx/crx.md: New file.
9770         * config/crx/crx.opt: New file.
9771         * config/crx/t-crx: New file.
9772
9773 2005-07-22  Manfred Hollstein  <mh@suse.com>
9774
9775         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9776         warnings.
9777         (int_add_graph_edge): Likewise.
9778         (collapse_nodes): Likewise.
9779         (process_unification_queue): Likewise.
9780
9781 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9782             Laurent GUERBY  <laurent@guerby.net>
9783
9784         PR tree-optimization/22336
9785         * function.c (record_block_change): Check for
9786         cfun->ib_boundaries_block.
9787
9788 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9789
9790         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9791         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9792
9793 2005-07-21  DJ Delorie  <dj@redhat.com>
9794
9795         * toplev.c (warn_deprecated_use): Add warning control to warning
9796         call.
9797         * c-typeck.c (parser_build_binary_op): Likewise.
9798         (c_finish_if_stmt): Likewise.
9799         * c-common.c (check_function_sentinel): Likewise.
9800         (check_nonnull_arg): Likewise.
9801
9802 2005-07-21  Richard Henderson  <rth@redhat.com>
9803
9804         PR tree-opt/22504
9805         * tree-complex.c (complex_ssa_name_components): New.
9806         (cvc_lookup): Allow entry not found.
9807         (create_components): Remove.
9808         (create_one_component_var, get_component_var): New.
9809         (get_component_ssa_name, set_component_ssa_name): New.
9810         (extract_component): Use get_component_ssa_name.
9811         (update_complex_components): Use set_component_ssa_name.
9812         (update_complex_components_on_edge): Likewise.
9813         (update_phi_components): Create new PHI nodes directly, instead
9814         of adding insns to edges.
9815         (tree_lower_complex): Allocate and free complex_variable_components
9816         and complex_ssa_name_components here.
9817
9818 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9819
9820         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9821         revert to returning false.
9822
9823 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9824
9825         PR target/21149
9826         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9827
9828 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9829
9830         PR target/22576
9831         * config/i386/i386.md (cmpxf): Change operand constraints
9832         to "nonmemory_operand".
9833
9834 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9835
9836         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9837
9838 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9839
9840         PR middle-end/21180
9841         * fold-const.c (fold_build1): Add checksum for the operands.
9842         (fold_build2): Likewise.
9843         (fold_build3): Likewise.
9844
9845 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9846
9847         PR middle-end/19055
9848         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9849
9850 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9851
9852         * common.opt (-fforward-propagate): Committed by mistake,
9853         removed.
9854
9855 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9856
9857         * reg-stack.c: Fix comment typo(s).
9858         * tree-ssa-operands.c: Likewise.
9859         * tree-vectorizer: Likewise.
9860
9861 2005-07-21  Nick Clifton  <nickc@redhat.com>
9862
9863         * config/sh/symbian.c: Replace C++ style line comments with C
9864         style line comments.
9865         (symbian_add_attribute): Do not use a ? operator on the LHS of
9866         an assignment.
9867         (sh_symbian_handle_dll_attribute): Change the type of the
9868         method vector to "VEC(tree,gc)*" and use vector accessor
9869         macros to walk over the elements.
9870         (symbian_export_vtable_and_rtti_p): Likewise.
9871         (symbian_class_needs_attribute_p): Likewise.
9872
9873 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9874
9875         PR target/22085
9876         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9877         initialize targetm.resolve_overloaded_builtin here.
9878         (altivec_expand_overloaded_builtin): Make it non-static.
9879         * config/rs6000/rs6000-protos.h
9880         (altivec_expand_overloaded_builtin): New prototype.
9881         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9882         targetm.resolve_overloaded_builtin here.
9883         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9884
9885 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9886             Zdenek Dvorak  <dvorakz@suse.cz>
9887
9888         PR tree-optimization/19210
9889         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9890         New.
9891         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9892         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9893         rely on unproven assumptions.
9894         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9895         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9896         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9897         to number_of_iterations_exit.
9898         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9899         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9900         * tree-ssa-loop-niter.c (find_loop_niter,
9901         estimate_numbers_of_iterations_loop): Likewise.
9902         (number_of_iterations_exit): Honor the new options.
9903         * doc/invoke.texi (Wunsafe-loop-optimizations,
9904         funsafe-loop-optimizations): Document them.
9905
9906 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9907
9908         PR rtl-optimization/22167
9909         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9910
9911 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9912
9913         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9914         __do_global_dtors_aux longcall.
9915
9916 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9917
9918         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9919         (old_special_pred_table): Don't reference
9920         SPECIAL_MODE_PREDICATES.
9921         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9922         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9923         * config/sh/predicates.h: Don't mention
9924         SPECIAL_MODE_PREDICATES.
9925         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9926         Remove.
9927
9928 2005-07-20  DJ Delorie  <dj@redhat.com>
9929
9930         * config.gcc: Add m32c-elf support.
9931
9932         * doc/contrib.texi: Mention m32c.
9933         * doc/extend.texi: Document m32c extensions.
9934         * doc/install.texi: Mention m32c.
9935         * doc/invoke.texi: Document m32c options.
9936         * doc/md.texi: Document m32c constraints.
9937
9938         * config/m32c/addsub.md: New file.
9939         * config/m32c/bitops.md: New file.
9940         * config/m32c/cond.md: New file.
9941         * config/m32c/jump.md: New file.
9942         * config/m32c/m32c-lib1.S: New file.
9943         * config/m32c/m32c-lib2.c: New file.
9944         * config/m32c/m32c-modes.def: New file.
9945         * config/m32c/m32c-pragma.c: New file.
9946         * config/m32c/m32c-protos.h: New file.
9947         * config/m32c/m32c.abi: New file.
9948         * config/m32c/m32c.c: New file.
9949         * config/m32c/m32c.h: New file.
9950         * config/m32c/m32c.md: New file.
9951         * config/m32c/m32c.opt: New file.
9952         * config/m32c/minmax.md: New file.
9953         * config/m32c/mov.md: New file.
9954         * config/m32c/muldiv.md: New file.
9955         * config/m32c/predicates.md: New file.
9956         * config/m32c/prologue.md: New file.
9957         * config/m32c/shift.md: New file.
9958         * config/m32c/t-m32c: New file.
9959
9960 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9961
9962         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9963         (stack_protect_set, stack_protect_test): New expanders.
9964         (stack_protect_set_si, stack_protect_set_si_media,
9965         stack_protect_set_di_media, stack_protect_test_si,
9966         stack_protect_test_si_media, stack_protect_test_di_media):
9967         New insns.
9968
9969 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9970
9971         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9972
9973 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9974
9975         * tree.h (tree_expr_nonzero_p): Export.
9976         * fold-const.c (tree_expr_nonzero_p): Likewise.
9977         Return true for CALL_EXPRs that are alloca calls.
9978         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9979         against zero.
9980         * tree-flow.h (expr_computes_nonzero): Remove.
9981         * tree-vrp.c (expr_computes_nonzero): Remove.
9982         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9983         (extract_range_from_unary_expr): Likewise.
9984         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9985         tree_expr_nonzero_p.
9986
9987 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9988
9989         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9990         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9991         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9992         All callers changed.
9993         (frame_related_constant_load): New arg "related" which controls
9994         setting of RTX_FRAME_RELATED_P.  All callers changed.
9995         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9996         (bfin_expand_prologue): Add stack limit checking.
9997         * config/bfin/bfin.md (trapifcc): New pattern.
9998
9999         * config/bfin/bfin.c: Include "langhooks.h".
10000         (def_builtin): Go through lang_hooks to call builtin_function.
10001
10002         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10003         * config/bfin/predicates.md (symbol_ref_operand): New.
10004         (call_insn_operand): Delete.  All callers changed to use
10005         register_no_elim_operand.
10006         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10007         call_cookie field.
10008         (function_arg): Use it to generate the call's operand 2.
10009         (bfin_longcall_p): New function.
10010         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10011         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10012         determine if the address needs to be in a REG.
10013         (bfin_handle_longcall_attribute): New function.
10014         (bfin_attribute_table): Add "longcall" and "shortcall".
10015         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10016         (CUMULATIVE_ARGS): New member call_cookie.
10017         (PREDICATE_CODES): Add symbol_ref_operand.
10018         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10019         extra USE to the pattern.
10020         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10021         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10022         sibcall_value_insn; now the new patterns handle direct calls and the
10023         old ones indirect calls.
10024         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10025
10026 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10027
10028         * doc/trouble.texi: Update section on handling of empty loops.
10029
10030 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10031
10032         * config.gcc: Remove support for sparc-*-openbsd*,
10033         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10034         ns32k-*-netbsd*.
10035         * config.host: Remove support for i860-*-sysv4* as a host.
10036         * config/i860/*, config/ip2k/*, config/ns32k/*,
10037         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10038         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10039         mention obsolete ports.
10040
10041 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10042
10043         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10044         soft frame pointer.
10045         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10046         of frame_pointer_rtx.
10047         (sh_expand_epilogue): Likewise.
10048         (sh_set_return_address): Likewise.
10049         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10050         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10051         offsets from FRAME_POINTER_REGNUM.
10052         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10053         (sh_register_names): Add initializer for sfp.
10054         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10055         (VALID_REGISTER_P): Likewise.
10056         (FIRST_PSEUDO_REGISTER): Update.
10057         (DWARF_FRAME_REGISTERS): Define.
10058         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10059         (HARD_FRAME_POINTER_REGNUM): Define.
10060         (FRAME_POINTER_REGNUM): Redefine.
10061         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10062         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10063         from FRAME_POINTER_REGNUM.
10064         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10065         FRAME_POINTER_REGNUM.
10066         (REG_CLASS_CONTENTS): Add sfp.
10067         (REG_ALLOC_ORDER): Likewise.
10068         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10069         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10070         of frame_pointer_rtx.
10071         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10072
10073 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10074
10075         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10076         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10077         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10078         of an ABS_EXPR.
10079         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10080         ABS_EXPR<x>.
10081
10082 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10083
10084         Make CONSTRUCTOR use VEC to store initializers.
10085         * c-common.c (complete_array_type): Update to cope with VEC in
10086         CONSTRUCTOR_ELTS.
10087         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10088         (pp_c_constructor_elts): New function.
10089         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10090         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10091         struct constructor_stack, struct initializer_stack,
10092         constructor_elements, push_init_level, pop_init_level,
10093         add_pending_init, find_init_member, output_init_element): Update to
10094         cope with VEC in CONSTRUCTOR_ELTS.
10095         * coverage.c (build_fn_info_value, build_ctr_info_value,
10096         build_gcov_info): Likewise.
10097         * expr.c (categorize_ctor_elements_1, store_constructor,
10098         expand_expr_real_1): Likewise.
10099         * fold-const.c (fold_ternary): Likewise.
10100         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10101         gimplify_init_constructor, gimplify_expr): Likewise.
10102         * tree-dump.c (dequeue_and_dump): Likewise.
10103         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10104         node.
10105         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10106         CONSTRUCTOR_ELTS.
10107         * tree-sra.c (generate_element_init_1): Likewise.
10108         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10109         * tree-ssa-operands.c (get_expr_operands): Likewise.
10110         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10111         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10112         (get_initial_def_for_reduction): Likewise.
10113         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10114         value handle in annotations.
10115         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10116         tree_node_structure): Add support for constr_kind.
10117         (build_vector_from_ctor, build_constructor_single,
10118         build_constructor_from_list): New functions.
10119         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10120         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10121         Update to cope with VEC in CONSTRUCTOR_ELTS.
10122         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10123         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10124         CONSTRUCTOR_APPEND_ELT): New macros.
10125         (struct constructor_elt, struct tree_constructor): New data types.
10126         (union tree_node): Add tree_constructor field.
10127         * treestruct.def: Define TS_CONSTRUCTOR.
10128         * varasm.c (const_hash_1, compare_constant, copy_constant,
10129         compute_reloc_for_constant, output_addressed_constants,
10130         initializer_constant_valid_p, output_constant,
10131         array_size_for_constructor, output_constructor): Update to cope with
10132         VEC in CONSTRUCTOR_ELTS.
10133         * vec.h (VEC_empty, VEC_copy): New macros.
10134
10135 2005-07-19  Devang Patel  <dpatel@apple.com>
10136
10137         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10138
10139 2005-07-19  Richard Henderson  <rth@redhat.com>
10140
10141         PR tree-opt/22278
10142         * gimplify.c (gimplify_expr): Use main variant type for the temp
10143         destination for a discarded volatile read.
10144         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10145         casts between non-void types that change volatility.
10146
10147 2005-07-15  DJ Delorie  <dj@redhat.com>
10148
10149         * toplev.h: Add comment about the first parameter for warning().
10150         * errors.h: Likewise.
10151
10152         * c.opt (Wpragmas): New.
10153         * doc/invoke.texi: Document it.
10154
10155         * function.c (do_warn_unused_parameter): Add warning control to
10156         warning call.
10157         * c-decl.c (warn_if_shadowing): Likewise.
10158         * c-lex.c (cb_def_pragma): Likewise.
10159         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10160         (pop_alignment): Likewise.
10161         (handle_pragma_pack): Likewise.
10162         (apply_pragma_weak): Likewise.
10163         (handle_pragma_weak): Likewise.
10164         (handle_pragma_redefine_extname): Likewise.
10165         (add_to_renaming_pragma_list): Likewise.
10166         (handle_pragma_extern_prefix): Likewise.
10167         (maybe_apply_renaming_pragma): Likewise.
10168         (handle_pragma_visibility): Likewise.
10169
10170         * config/c4x/c4x-c.c (BAD): Likewise.
10171         (c4x_parse_pragma): Likewise.
10172         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10173         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10174         (rs6000_pragma_longcall): Likewise.
10175         * config/v850/v850-c.c (pop_data_area): Likewise.
10176         (ghs_pragma_section): Likewise.
10177         (ghs_pragma_section): Likewise.
10178         (ghs_pragma_interrupt): Likewise.
10179         (ghs_pragma_starttda): Likewise.
10180         (ghs_pragma_startsda): Likewise.
10181         (ghs_pragma_startzda): Likewise.
10182         (ghs_pragma_endtda): Likewise.
10183         (ghs_pragma_endsda): Likewise.
10184         (ghs_pragma_endzda): Likewise.
10185
10186 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10187             Kenneth Zadeck <zadeck@naturalbridge.com>
10188
10189         * Makefile.in: Removed tree-promote-statics.c
10190         * tree-promote-statics.c: Removed.
10191         * common.opt: Removed flag-promote-statics.
10192         * opts.c: Ditto.
10193         * passes.c: Removed tree-promote-statics pass.
10194         * tree-pass.h: Ditto.
10195         * timevar.def: Removed TV_PROMOTE_STATICS.
10196
10197
10198 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10199
10200         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10201         and *-*-freebsd9.
10202         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10203
10204 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10205
10206         PR c/22476
10207         * c-common.c (check_function_arguments): Call
10208         'check_function_format' if either -Wformat or
10209         -Wmissing-format-attribute are specified.
10210         * c-format.c (check_function_format): Check -Wformat before
10211         calling 'check_format_info'.
10212         * c-opts.c (c_common_post_options): Don't warn for
10213         -Wmissing-format-attribute without -Wformat.
10214         * c-typeck.c (convert_for_assignment): Detect additional cases for
10215         -Wmissing-format-attribute.
10216         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10217         behavior.
10218
10219 2005-07-19  Richard Guenther  <rguenther@suse.de>
10220
10221         * config/i386/i386.md (lrint<mode>2): Use temporary
10222         instead of clobbering non-existent memory.
10223
10224 2005-07-19  Nick Clifton  <nickc@redhat.com>
10225
10226         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10227         statement to avoid displaying ASCII control characters.
10228
10229 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10230
10231         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10232         * cfganal.c (find_edge_index): Ditto.
10233         * combine.c (combine_instructions): Ditto.
10234         * ddg.c (create_scc): Ditto.
10235         (find_successors): Ditto.
10236         (find_predecessors): Ditto.
10237         (find_nodes_on_paths): Ditto.
10238         (longest_simple_path): Ditto.
10239         * flow.c (update_life_info): Ditto.
10240         (count_or_remove_death_notes): Ditto.
10241         (clear_log_links): Ditto.
10242         * modulo-sched.c (generate_reg_moves): Ditto.
10243         (find_max_asap): Ditto.
10244         (find_max_hv_min_mob): Ditto.
10245         (find_max_dv_min_mob): Ditto.
10246         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10247         * sched-rgn.c (extract_edgelst): Ditto.
10248         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10249         (dump_update_ssa): Ditto.
10250         (ssa_names_to_replace) Ditto.
10251         (switch_virtuals_to_full_rewrite): Ditto.
10252         (update_ssa): Ditto.
10253         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10254
10255 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10256
10257         Fix PR tree-optimization/22483
10258
10259         * tree-complex.c (create_components): Use
10260         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10261         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10262         * tree-flow.h (safe_referenced_var_iterator): New structure.
10263         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10264         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10265         safe_referenced_var iterator.
10266         (add_type_alias): Ditto.
10267
10268 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10269
10270         * loop-init.c (rest_of_handle_loop2): Remove.
10271         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10272         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10273         (pass_rtl_loop_init, pass_rtl_loop_done,
10274         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10275         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10276         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10277         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10278         pass_tree_loop_done, and pass_tree_unswitch.
10279         (gate_loop): Rename to gate_tree_loop.
10280         * passes.c (init_optimization_passes): Update for renamed tree
10281         loop passes.  Add the new loop2 passes as subpasses of loop2.
10282         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10283         Update for the renamed tree loop passes.
10284
10285 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10286
10287         PR middle-end/22057
10288         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10289         blocks when optimizing.
10290
10291 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10292
10293         * common.opt (frename-registers): Initialize to 2.
10294         (fweb): Ditto.
10295         (fgcse-after-reload): Ditto.
10296         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10297         (process_options): Only change flag_web, flag_rename_registers,
10298         and flag_rerun_cse_after_loop if not explicitly set by user.
10299
10300 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10301
10302         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10303         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10304         in 64-bit mode the same as DImode in 32-bit mode.
10305         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10306         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10307         mode. Add new mode parameter.
10308         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10309         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10310         x86_64_shift_adj): New expanders.
10311         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10312         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10313         insns.
10314         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10315         DImode shift splitters.
10316         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10317         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10318         mode parameter.
10319
10320 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10321
10322         * i386.md (movdi_extzv_1): New.
10323         (zero_extendhidi2): Combine alternatives and never force use of
10324         REX64 prefix.
10325         (zero_extendqidi2): Likewise. Don't restrict input selection.
10326
10327 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10328
10329         Fix PR tree-optimization/22531
10330         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10331          moment.
10332
10333 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10334
10335         * tree-promote-statics.c (pass_promote_statics): Change dump file
10336          name.
10337
10338 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10339
10340         * tree-optimize.c (init_tree_optimization_passes): Add
10341         pass_eliminate_useless_stores pass.
10342         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10343         * tree-ssa-pre.c (is_copy_stmt): New function.
10344         (follow_copies_till_vuse): Ditto.
10345         (do_eustores): Ditto.
10346         (gate_eustores): Ditto.
10347
10348 2005-07-16  Richard Henderson  <rth@redhat.com>
10349
10350         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10351
10352 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10353            Kenneth Zadeck <zadeck@naturalbridge.com>
10354
10355         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10356         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10357         ipa-type-escape.h, tree-promote-statics.c
10358         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10359         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10360         tree-promote-statics.c: new files.
10361         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10362         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10363         int nonlocal_set_p, mark_constant_function): Deleted.
10364         (rest_of_handle_cfg): Removed call to mark_constant_function.
10365         (nonoverlapping_component_refs_p): Added calls to support
10366         type based aliasing.
10367         * tree-ssa-alias.c (may_alias_p,
10368         compute_flow_insensitive_aliasing): Ditto.
10369         * calls.c (flags_from_decl_or_type): Removed reference to
10370         cgraph_rtl_info.
10371         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10372         too many arguments.  This is necessary for Spec 2000.
10373         * cgraph.h (const_function, pure_function): Removed.
10374         * common.opt: Added "fipa-pure-const", "fipa-reference",
10375         "fipa-type-escape", and "ftree-promote-static".
10376         * opts.c: Ditto.
10377         * passes.c: Added ipa and tree-promote-statics passes.
10378         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10379         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10380         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10381         * tree-flow.h: Added exposed sra calls and addition of
10382         reference_vars_info field for FUNCTION_DECLS.
10383         * tree-pass.h: Added passes.
10384         * tree-sra.c: (sra_init_cache): New function.
10385         (sra_insert_before, sra_insert_after) Made public.
10386         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10387         and made public.
10388         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10389         aliasing. (may_alias_p): Added code to use type escape analysis to
10390         improve alias sets.
10391         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10392         code to prune clobbers of static variables based on information
10393         produced in ipa-reference pass.  Changed call clobbering so that
10394         statics are not marked as clobbered if the call does not clobber
10395         them.
10396
10397 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10398
10399         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10400         too.
10401
10402 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10403
10404         * doc/install.texi (*-*-solaris2*): Document recommended version
10405         of GNU binutils and mention GNU linker problem on Solaris 10.
10406
10407 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10408
10409         PR c/22421
10410         * c-decl.c (c_build_bitfield_integer_type): New function.
10411         (finish_struct): Call it.
10412         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10413
10414 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10415
10416         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10417         before returning.
10418
10419 2005-07-16  Jan Hubicka  <jh@suse.cz>
10420
10421         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10422         (scale_bbs_frequencies_int): Watch roundoff errors.
10423         * predict.c (return_prediction): Initialize return_stmt.
10424
10425 2005-07-16  Jan Hubicka  <jh@suse.cz>
10426
10427         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10428         after RTL profiling.
10429
10430 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10431
10432         PR middle-end/22398
10433         * fold-const.c (build_range_check): Convert high/low to etype
10434         if we are only comparing against exp.
10435
10436 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10437
10438         Fix PR tree-optimization/22376
10439         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10440         special var here.
10441         (need_to_solve): New function.
10442         (compute_points_to_sets): Use it.
10443
10444 2005-07-15  Jan Hubicka  <jh@suse.cz>
10445
10446         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10447         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10448
10449 2005-07-15  Richard Guenther  <rguenther@suse.de>
10450
10451         * c-common.c (handle_flatten_attribute): New function.
10452         Add flatten function attribute.
10453         * doc/extend.texi: Document flatten function attribute.
10454         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10455         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10456         New functions.
10457         (cgraph_decide_inlining): Handle functions with flatten
10458         attribute.
10459
10460 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10461
10462         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10463         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10464         UNSPEC_XCHG, UNSPEC_AND): New.
10465         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10466         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10467         * config/rs6000/sync.md (FETCHOP): New code macro.
10468         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10469         New code attrs.
10470         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10471         (sync_compare_and_swap<mode>): Same.
10472         (sync_lock_test_and_set<mode>): Same.
10473         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10474         for QImode and HImode, and not PPC405.
10475         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10476         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10477         (sync_<fetchop>{si,di}_internal): New.
10478         (sync_nand{si,di}_internal): New.
10479         (sync_old_<fetchop>{si,di}_internal): New.
10480         (sync_old_nand{si,di}_internal): New
10481         (sync_new_<fetchop>{si,di}_internal): New.
10482         (sync_new_nand{si,di}_internal): New.
10483         (atomic_and{si,di}): New.
10484         (sync_new_nand{si,di}_internal): New.
10485         (atomic_and{si,di}): New.
10486         (sync_add<mode>_internal): Delete.
10487         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10488         (sync_sub<mode>_internal): Delte.
10489         (sync_subshort_internal): New.
10490         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10491         (sync_anddi_internal): Delete.
10492         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10493         (sync_booldi_internal): Delete.
10494         (sync_boolc<mode>_internal): Delete.
10495         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10496         (sync_boolc<mode>_internal2): Delete.
10497         (sync_boolcc<mode>_internal): Delete.
10498         (isync, lwsync): Use unspec instead of unspec_volatile.
10499         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10500         Revert UNSPEC_VOLATILE.
10501         (rs6000_split_atomic_op): New.
10502         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10503
10504 2005-07-14  Eric Christopher  <echristo@redhat.com>
10505
10506         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10507         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10508
10509 2005-07-14  Eric Christopher  <echristo@redhat.com>
10510
10511         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10512
10513 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10514
10515         PR tree-optimization/22230
10516         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10517         the computation of the four cross productions for "range op range".
10518
10519 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10520             Ulrich Weigand  <uweigand@de.ibm.com>
10521
10522         PR target/20126
10523         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10524         in some insn.
10525
10526 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10527
10528         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10529
10530 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10531
10532         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10533
10534 2005-07-14  Richard Guenther  <rguenther@suse.de>
10535
10536         PR middle-end/22347
10537         * config/i386/i386-protos.h (ix86_function_value): Change
10538         prototype to match new target hook.
10539         * config/i386/i386.c (ix86_value_regno): Change prototype
10540         to take extra type argument.
10541         (TARGET_FUNCTION_VALUE): Define.
10542         (ix86_function_ok_for_sibcall): Pass extra argument to
10543         ix86_value_regno, check return slot rtx for exact match.
10544         (ix86_function_value): Take extra parameter.  Dispatch to
10545         ix86_value_regno with fndecl/fntype as provided.
10546         (ix86_value_regno): Handle extra type argument.
10547         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10548
10549         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10550         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10551         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10552         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10553         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10554
10555 2005-07-14  Richard Guenther  <rguenther@suse.de>
10556
10557         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10558         * calls.c (expand_call): Pass fntype to hard_function_value.
10559         (emit_library_call_value_1): Likewise.
10560         * explow.c: Include target.h.
10561         (hard_function_value): Take extra argument, the fntype.
10562         Use new target hook for function_value.
10563         * expr.h (hard_function_value): Change prototype.
10564         * function.c (aggregate_value_p): Pass 0 as fntype to
10565         hard_function_value.
10566         (assign_parms): Use new target hook for function_value.
10567         Pass 0 as fntype to hard_function_value.
10568         (expand_function_end): Likewise.
10569         * reg-stack.c: Include target.h.
10570         (stack_result): Use new target hook for function_value.
10571         * target-def.h: New target hook function_value.
10572         * target.h: Likewise.
10573         * targhooks.c (default_function_value): New function.
10574         * targhooks.h (default_function_value): Declare.
10575
10576 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10577
10578         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10579
10580 2005-07-14  Jan Hubicka  <jh@suse.cz>
10581
10582         * tree-dfa.c (dump_variable): Use default_def function.
10583         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10584         * tree-ssa.c (verify_use): Likewise.
10585         * tree-ssanames.c (release_ssa_name): Likewise.
10586         * tree-tailcall.c (eliminate_tail_call): Likewise.
10587         (tree_optimize_tail_calls_1): Likewise.
10588         * tree-vrp.c (get_value_range): Likewise.
10589
10590 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10591
10592         * gcc.c (main): Compare language[0] with '*' when iterating over
10593         the infiles.
10594
10595 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10596
10597         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10598         "s390_emit_compare".  Add handling of CCZ1mode.
10599         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10600         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10601         checking.
10602         (s390_branch_condition_mask): Add CCZ1mode handling.
10603         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10604         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10605         Use CCZ1mode instead of CCZmode.
10606         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10607
10608 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10609
10610         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10611         pattern.
10612         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10613
10614 2005-07-13  Eric Christopher  <echristo@redhat.com>
10615
10616         * config/mips/mips.c (mips_canonicalize_comparison): New.
10617         (mips_emit_int_relational): Use.
10618
10619 2005-07-13  Eric Christopher  <echristo@redhat.com>
10620
10621         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10622         static extra parts.
10623         * config/s390/s390.md: Include tpf.md. Move tpf specific
10624         patterns...
10625         * config/s390/tpf.md: To here.
10626         * config/s390/s390.opt: Move tpf specific options...
10627         * config/s390/tpf.opt: to here. Add mmain option.
10628         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10629         * config/s390/tpf.h: Rewrite.
10630
10631 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10632
10633         * doc/tm.texi: Remove @xref{Cross-profiling}.
10634
10635 2005-07-13  Jeff Law  <law@redhat.com>
10636
10637         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10638         expressions, test their _DECL operands for pointer equality rather
10639         than using operand_equal_p.
10640
10641 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10642
10643         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10644         (TARGET_POSIX_IO): This.
10645         * config/darwin.h: Likewise.
10646         * config/freebsd.h: Likewise.
10647         * config/linux.h: Likewise.
10648         * config/lynx.h: Likewise.
10649         * config/netbsd.h: Likewise.
10650         * config/rs6000/linux64.h: Likewise.
10651         * config/rs6000/linux.h: Likewise.
10652         * config/s390/tpf.h: Likewise.
10653         * config/sh/embed-elf.h: Likewise.
10654         * config/sparc/linux64.h: Likewise.
10655         * config/sparc/linux.h: Likewise.
10656         * config/svr4.h: Likewise.
10657         * gcov-io.h: Likewise.
10658
10659         * doc/tm.texi: Updated.
10660
10661         * libgcov.c (create_file_directory): Defined only if
10662         TARGET_POSIX_IO is defined.
10663         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10664         is defined.
10665
10666 2005-07-13  Jan Hubicka  <jh@suse.cz>
10667
10668         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10669
10670 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10671
10672         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10673         structure as argument.
10674
10675 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10676
10677         PR tree-optimization/21921
10678         * tree-iterator.c (tsi_link_before): Support the case when
10679         tsi_end_p (tsi) == true.
10680
10681 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10682
10683         PR tree-optimization/22442
10684         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10685         correctly.
10686
10687 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10688
10689         PR rtl-optimization/20376
10690         * toplev.c (process_options): Enable -fweb and -frename-registers when
10691         unrolling.
10692         * doc/invoke.texi: Update the information about when -fweb and
10693         -frename-registers are enabled.
10694
10695 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10696
10697         PR tree-opt/21840
10698         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10699         if *rhs_p is not a SSA_NAME.
10700
10701 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10702
10703         Fix PR tree-optimization/22422
10704         * tree-ssa-structalias.c (struct variable_info): Add flag for
10705         special vars.
10706         (get_varinfo): Now a static function.
10707         (new_varinfo): init has_union and is_special_var to false.
10708         (solution_set_add): Check has_union.
10709         (do_da_constraint): Move temporary variable so it gets reset
10710         properly.
10711         Also check for special variable.
10712         (do_ds_constraint): Ditto.
10713         (do_sd_constraint): Ditto.
10714         (do_structure_copy): Check for special variable.
10715         (find_func_aliases): Ditto.
10716         (init_base_vars): Set special vars properly.
10717
10718 2005-07-13  Jan Hubicka  <jh@suse.cz>
10719
10720         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10721         do unit-at-a-time.
10722
10723         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10724         (get_expr_operands): Fix thinko wrt flags and subvars.
10725
10726         PR tree-optimize/22379
10727         * tree-inline.c (expand_call_inline): Do not output sorry in early
10728         inlining.
10729
10730 2005-07-12  Dale Johannesen  <dalej@apple.com>
10731
10732         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10733
10734 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10735
10736         PR bootstrap/21704
10737         * host-linux.h: Include limits.h.
10738
10739 2005-07-12  Dale Johannesen  <dalej@apple.com>
10740
10741         * expr.c (compress_float_constant):  Add cost check.
10742         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10743
10744 2005-07-12  Dale Johannesen  <dalej@apple.com>
10745
10746         * gcc.target/i386/compress-float-sse.c:  New.
10747         * gcc.target/i386/compress-float-sse-pic.c:  New.
10748         * gcc.target/i386/compress-float-387.c:  New.
10749         * gcc.target/i386/compress-float-387-pic.c:  New.
10750         * gcc.dg/compress-float-ppc.c:  New.
10751         * gcc.dg/compress-float-ppc-pic.c:  New.
10752
10753 2005-07-12  Eric Christopher  <echristo@redhat.com>
10754
10755         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10756         static extra parts.
10757         * config/s390/s390.md: Include tpf.md. Move tpf specific
10758         patterns...
10759         * config/s390/tpf.md: To here.
10760         * config/s390/s390.opt: Move tpf specific options...
10761         * config/s390/tpf.opt: to here. Add mmain option.
10762         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10763         * config/s390/tpf.h: Rewrite.
10764
10765 2005-07-12  Eric Christopher  <echristo@redhat.com>
10766
10767         * gcc.c (struct infile): Update comment for language.
10768         (main): Rewrite input file resetting code.
10769
10770 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10771
10772         PR tree-opt/22335
10773         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10774         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10775         (lookup_avail_expr): Use constant_boolean_node instead
10776         of boolean_false_node/boolean_true_node.
10777
10778 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10779
10780         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10781         and use it when printing num_edges.
10782
10783 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10784
10785         * doc/extend.texi (Blackfin Built-in Functions): New section.
10786         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10787         @opindex.
10788
10789 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10790
10791         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10792         s/cmpstrsi/cmpstrnsi
10793         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10794         'cmpstrnsi'.
10795         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10796         (init_optabs): Initialize cmpstrn_optab.
10797         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10798         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10799         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10800         * config/i386/i386.md: s/cmpstr/cmpstrn
10801         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10802         * doc/md.texi: Update documentation.
10803
10804 2005-07-11  Richard Henderson  <rth@redhat.com>
10805
10806         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10807         build_va_arg_indirect_ref.
10808         (alpha_gimplify_va_arg): Likewise.
10809         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10810         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10811         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10812         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10813         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10814         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10815         Likewise.
10816         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10817
10818 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10819
10820         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10821         * passes.c (init_optimization_passes): Add pass_empty_loop.
10822         * tree-pass.h (pass_empty_loop): Declare.
10823         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10824         try_remove_empty_loop, remove_empty_loops): New functions.
10825         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10826         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10827
10828 2005-07-12  Peter Barada  <peter@the-baradas.com>
10829
10830         PR middle-end/16719
10831         PR middle-end/18421
10832         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10833         in address registers.
10834         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10835         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10836         alternative of addsi3_5200.
10837
10838 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10839
10840         * config/mips/mips.md (ffs<mode>2): Remove.
10841
10842 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10843
10844         * doc/tree-ssa.texi (Cleanups): Improve description of
10845         TRY_FINALLY_EXPR.
10846         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10847
10848 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10849
10850         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10851         * tree.h (DECL_ARGUMENT_FLD): New macro.
10852
10853 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10854
10855         Fix PR tree-optimization/22404
10856
10857         * tree-ssa-structalias.c (create_variable_info_for): Use
10858         correct offset.
10859
10860 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10861
10862         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10863         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10864         for second comparison operand.
10865         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10866
10867         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10868         (define_insn_reservation "alu"): Likewise.
10869         (csync, ssync): Now of type sync.
10870         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10871         -mcsync-anomaly -mspecld-anomaly.
10872         * config/bfin/bfin.opt (mcsync): Remove.
10873         (mcsync-anomaly, mspecld-anomaly): Add.
10874         * config/bfin/bfin.c: Include "insn-codes.h".
10875         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10876         (TARGET_DEFAULT_TARGET_FLAGS): New.
10877         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10878
10879 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10880
10881         * basic-block.h: Give the BB flags enum a name, bb_flags.
10882         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10883         * cfgcleanup.c (enum bb_flags): Remove here.
10884         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10885         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10886         (update_forwarder_flag): Likewise.
10887         (thread_jump): Likewise.
10888         (try_forward_edges): Likewise.
10889         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10890         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10891         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10892
10893 2005-07-11  Richard Guenther  <rguenther@suse.de>
10894
10895         * config/i386/i386.opt: New target option -msseregparm.
10896         * config/i386/i386.c (override_options): Error out for
10897         -msseregparm but no SSE support.
10898         (ix86_function_sseregparm): Check for global sseregparm.
10899         * doc/invoke.texi: Document -msseregparm.
10900
10901 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10902
10903         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10904         (m32rle-*-linux*): Ditto.
10905
10906 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10907
10908         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10909         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10910         bytes.
10911
10912 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10913
10914         PR middle-end/22239
10915         PR target/20126
10916         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10917         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10918
10919 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10920
10921         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10922         (varmap): Heapify varmap.
10923         (constraints): Heapify constraints.
10924         (struct constraint_graph): Heapify succs and preds.
10925         (constraint_vec_find): Update for heapification.
10926         (constraint_set_union): Ditto.
10927         (insert_into_complex): Ditto.
10928         (constraint_edge_vec_find): Ditto.
10929         (erase_graph_self_edge): Ditto.
10930         (add_graph_edge): Ditto.
10931         (get_graph_weights): Ditto.
10932         (merge_graph_nodes): Ditto.
10933         (build_constraint_graph): Ditto.
10934         (topo_visit): Ditto.
10935         (solve_graph): Ditto.
10936         (create_variable_info_for): Ditto.
10937         (init_base_vars): Ditto.
10938         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10939         (condese_varmap_nodes): Free complex vector.
10940         (clear_edges_for_node): Clear succs and preds vector.
10941
10942 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10943
10944         * tree-ssa-structalias.c (update_alias_info): Change counting of
10945         references to not include vdefs.
10946
10947 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10948
10949         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10950         (up_insert): Ditto.
10951
10952 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10953
10954         * pa.c (pa_commutative_p): Make PLUS commutative when
10955         TARGET_NO_SPACE_REGS is true.
10956
10957 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10958
10959         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10960         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10961         * tree-dfa.c (dump_subvars_for): New.
10962         (debug_subvars_for): New.
10963         (dump_variable): Show subvariables if VAR has them.
10964         * tree-flow-inline.h (get_subvar_at): New.
10965         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10966         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10967         Update all users.
10968         (struct subvar): Change fields offset and size to unsigned
10969         HOST_WIDE_INT.
10970         (dump_subvars_for): Declare.
10971         (debug_subvars_for): Declare.
10972         (get_subvar_at): Declare.
10973         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10974         to unsigned HOST_WIDE_INT *.
10975         (overlap_subvar): Likewise.
10976         * tree-gimple.c (is_gimple_reg): Always return false for
10977         SFTs and memory tags.
10978         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10979         Update all callers.
10980         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10981         (compute_may_aliases): Call compute_points_to_sets.
10982         (collect_points_to_info_for): Remove.
10983         (compute_points_to_and_addr_escape): Remove.
10984         (delete_alias_info): Call delete_points_to_sets.
10985         (compute_flow_sensitive_aliasing): If the call to
10986         find_what_p_points_to returns false, call set_pt_anything.
10987         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10988         (set_pt_anything): Clear pi->pt_vars.
10989         (set_pt_malloc): Remove.
10990         (merge_pointed_to_info): Remove.
10991         (add_pointed_to_expr): Remove.
10992         (add_pointed_to_var): Remove.
10993         (collect_points_to_info_r): Remove.
10994         (is_escape_site): Make extern.
10995         (create_sft): New.
10996         (create_overlap_variables_for): Call it.
10997         * tree-ssa-copy.c (merge_alias_info): Never merge
10998         flow-sensitive alias information.
10999         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11000         offset and size to be unsigned HOST_WIDE_INT.
11001         (add_to_addressable_set): Rename from note_addressable.
11002         Set TREE_ADDRESSABLE as the variables are added to the set.
11003         Update all users.
11004         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11005         operands into VUSEs when adding V_MAY_DEFs for members in an
11006         alias set.
11007         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11008         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11009         (struct variable_info): Add bitfield is_heap_var.
11010         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11011         (new_var_info): Initialize is_heap_var.
11012         (get_constraint_for): Add HEAP variables to the symbol table.
11013         Mark them with is_heap_var.
11014         (update_alias_info): New.  Taken mostly from the old
11015         compute_points_to_and_addr_escape.
11016         (handle_ptr_arith): New.
11017         (find_func_aliases): Call update_alias_info.
11018         Call handle_ptr_info for tcc_binary expressions.
11019         Call mark_stmt_modified.
11020         (create_variable_info_for): If DECL has subvars, do not create
11021         variables for its subvars.  Always add all the fields.
11022         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11023         SFTs, then add all the SFTs of the structure.
11024         If VI->DECL is an aggregate with subvariables, add the SFT at
11025         VI->OFFSET.
11026         (find_what_p_points_to): If VI is an artificial variable,
11027         translate to bitfields in SSA_NAME_PTR_INFO.
11028         If the solution is empty, set pi->pt_vars to NULL
11029         (init_base_vars): Create ANYOFFSET.
11030         (compute_points_to_sets): Rename from create_alias_vars.
11031         Make extern.
11032         (pass_build_pta): Remove.
11033         (delete_points_to_sets): Rename from delete_alias_vars.
11034         (pass_del_pta): Remove.
11035         * tree-ssa-structalias.h (struct alias_info): Move from
11036         tree-ssa-alias.h.
11037         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11038         NUM_REFERENCES_SET): Likewise.
11039         (compute_points_to_sets, delete_points_to_sets): Declare.
11040
11041 2005-07-09  Richard Henderson  <rth@redhat.com>
11042
11043         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11044         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11045         alpha_split_lock_test_and_set_12): New functions.
11046         * config/alpha/alpha-protos.h: Update.
11047         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11048         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11049         * config/alpha/sync.md (I12MODE): New.
11050         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11051         (sync_<fetchop_name><I48MODE>): Likewise.
11052         (sync_nand<I48MODE>): Likewise.
11053         (sync_old_<fetchop_name><I48MODE>): Likewise.
11054         (sync_new_<fetchop_name><I48MODE>): Likewise.
11055         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11056         (sync_compare_and_swap<I48MODE>): Likewise.
11057         (sync_lock_test_and_set<I48MODE>): Likewise.
11058         (sync_compare_and_swap<I12MODE>): New.
11059         (sync_compare_and_swap<I12MODE>_1): New.
11060         (sync_lock_test_and_set<I12MODE>): New.
11061         (sync_lock_test_and_set<I12MODE>_1): New.
11062
11063 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11064
11065         PR 21356
11066         PR 22332
11067         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11068
11069 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11070
11071         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11072         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11073
11074 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11075
11076         PR target/21656
11077         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11078
11079 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11080
11081         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11082         memory_operand constraint.
11083         (store_conditional_<mode>): Same.
11084         (sync_compare_and_swap<mode>): Same.
11085         (sync_lock_test_and_set<mode>): Same.
11086
11087 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11088
11089         Rewrite PIC support to more closely model actual instructions.
11090         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11091         (cris_symbol): Remove prototypes for removed functions.
11092         (cris_pic_symbol_type_of, cris_valid_pic_const)
11093         (cris_expand_pic_call_address): Prototypes for new functions.
11094         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11095         variable.
11096         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11097         modifiers.
11098         <case ':'>: Add case for new punctuation character.
11099         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11100         emitting (extra) PIC modifier.
11101         <case UNSPEC>: Do not assert for PLT.
11102         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11103         (cris_expand_prologue, cris_expand_epilogue): Check
11104         for pic_offset_table_rtx usage instead of taking
11105         current_function_uses_pic_offset_table as the final word.
11106         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11107         Remove flag_pic difference.
11108         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11109         the moral equivalents of...
11110         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11111         functions.
11112         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11113         (cris_handle_option): Mark ARG as unused.
11114         (cris_expand_pic_call_address): New worker function for "call",
11115         "call_value".
11116         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11117         output PIC constructs here.
11118         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11119         as symbol-specific modifers, not whole or part of operands.
11120         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11121         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11122         constants and flag_pic.
11123         (CONSTANT_INDEX_P): Adjust for new functions.
11124         (enum cris_pic_symbol_type): New helper type.
11125         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11126         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11127         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11128         define_constants.
11129         ("movsi"): Emit actual instructions for GOT and relative access.
11130         ("*movsi_got_load"): New pattern to set up the register holding
11131         the GOT pointer.
11132         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11133         Adjust FIXME for 'S'.
11134         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11135         Use "movs" for -fpic cases.
11136         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11137         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11138         ("call", "call_value"): Just call cris_expand_pic_call_address for
11139         PIC addresses.
11140         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11141         Remove special pattern.
11142         ("*expanded_call_side", "*expanded_call_value_side"): New
11143         patterns.
11144         (gotplt-to-plt, gotplt-to-plt-side-call)
11145         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11146         peephole2:s.
11147         * config/cris/cris/predicates.md
11148         ("cris_general_operand_or_gotless_symbol"): Remove unused
11149         predicate.
11150         ("cris_general_operand_or_symbol"): Adjust for new functions.
11151
11152 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11153
11154         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11155
11156 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11157
11158         * Makefile.in (TREE_H): Add treestruct.def.
11159         (c-decl.o): Add pointer-set.h
11160         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11161         visibility on regular DECL's.
11162         (merge_decls): Fix the copying of decl nodes of various types for
11163         the new structures.  Don't update RTL, section name, weak status,
11164         etc, on DECL's without RTL.
11165         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11166         Don't check volatile on non-variable types.
11167         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11168         to check whether we have seen arguments.
11169         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11170         flag is checked before field (flag is common, field is not).
11171         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11172         TS_DECL_COMMON could have an origin.
11173         (add_location_or_const_value_attribute): Don't check section name
11174         on non-var/function decls.
11175         (dwarf2out_var_location): Reverse order of tests.
11176         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11177         with DECL_WRTL_CHECK.
11178         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11179         * fold-const.c (fold_binary): Don't check weakness on
11180         non-var/function decls.
11181         (tree_expr_nonzero_p): Ditto.
11182         (fold_checksum_tree): Use tree_decl_extra as sizeof
11183         buffer.
11184         * ggc-page.c (extra_order_size_table): Add sizes for
11185         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11186         tree_field_decl.
11187         * gimplify.c (gimplify_bind_expr): Only set
11188         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11189         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11190         without RTL.
11191         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11192         * langhooks.h (init_ts). New langhook.
11193         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11194         * print-tree.c (print_node): Update to only print fields that
11195         exist in the structures the passed decl has.
11196         * toplev.c (wrapup_global_declarations): Don't reset
11197         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11198         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11199         * tree-inline.c (remap_decl): Ditto.
11200         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11201         * tree-pretty-print.c (print_declaration): Don't print
11202         DECL_REGISTER on things that don't contain it.
11203         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11204         non-var/function decls.
11205         * tree.c (tree_contains_struct): New structure.
11206         (init_priority_for_decl): New hashtable.
11207         (tree_int_map): New structure.
11208         (tree_int_map_eq): New function.
11209         (tree_int_map_marked_p): Ditto.
11210         (tree_int_map_hash): Ditto.
11211         (tree_map): Move to tree.h.
11212         (tree_map_eq): Externalize.
11213         (tree_map_hash): Ditto.
11214         (tree_map_marked_p): Ditto.
11215         (init_ttree): Set up tree_contains_struct and call langhook.
11216         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11217         (tree_code_size): Update for new structures.
11218         (tree_node_structure): Update for new structures.
11219         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11220         without the field.
11221         (copy_node_stat):  Copy init priority.
11222         (build_decl_stat): Ditto for visibility.
11223         (ts_enum_names): New.
11224         (tree_contains_struct_check_failed): New function.
11225         (decl_init_priority_lookup): Ditto.
11226         (decl_init_priority_insert): Ditto.
11227         * treestruct.def: New file.
11228         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11229         (CONTAINS_STRUCT_CHECK): Ditto.
11230         (tree_contains_struct_check_failed): New prototype.
11231         (DECL_CHECK): Removed.
11232         (DECL_MINIMAL_CHECK): New.
11233         (DECL_COMMON_CHECK): Ditto.
11234         (DECL_WRTL_CHECK): Ditto.
11235         (DECL_NON_COMMON_CHECK): Ditto.
11236         (DECL_WITH_VIS_CHECK): Ditto.
11237         (VAR_OR_FUNCTION_DECL_P): Ditto
11238         (struct tree_decl_minimal): New structure.
11239         (struct tree_decl_common): Ditto.
11240         (struct tree_decl_with_rtl): Ditto.
11241         (struct tree_decl_with_vis): Ditto.
11242         (struct tree_decl_non_common): Ditto.
11243         (struct tree_field_decl): Ditto.
11244         (struct tree_parm_decl): Ditto.
11245         (struct tree_var_decl): Ditto.
11246         (struct tree_function_decl): Ditto.
11247         (struct tree_const_decl): Ditto.
11248         (struct tree_result_decl): Ditto.
11249         (union tree_node): Add new structures.
11250         * var-tracking.c (track_expr_p): Reverse order of tests.
11251
11252         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11253
11254 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11255
11256         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11257         * system.h: Poison FINALIZE_PIC.
11258         * doc/tm.texi (FINALIZE_PIC): Remove.
11259
11260 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11261
11262         PR tree-opt/22329
11263         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11264         to the correct type if we have a MODIFY_EXPR.
11265
11266 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11267
11268         PR tree-optimization/22360
11269         * tree.c (upper_bound_in_type): Fix calculations for casting
11270         to a non-wider signed type and casting a signed value to a
11271         wider unsigned type.
11272         (lower_bound_in_type): Fix calculations for casting to a
11273         non-wider signed type.
11274
11275         PR tree-optimization/20139
11276         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11277         release_defs.
11278         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11279         fold_cond_expr_cond.
11280         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11281         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11282
11283 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11284
11285         PR tree-opt/22356
11286         * tree-complex.c (expand_complex_libcall): Produce
11287         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11288
11289 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11290
11291         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11292         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11293         b" assert and inserted fastpath code for this case.
11294         (bitmap_ior): Removed "a != b" assert.
11295
11296 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11297
11298         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11299         (ENDFILE_SPEC): Likewise.
11300         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11301
11302         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11303         a large stack frame at epilogue.
11304
11305 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11306
11307         * final.c: Include sdbout.h when required.
11308
11309 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11310
11311         * config.gcc (*-*-darwin*): Only one target-specific header file
11312         for generic darwin.
11313         (powerpc-*-darwin*): Add version-specific header files.
11314         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11315         * config.in: Regenerate.
11316         * configure: Regenerate.
11317         * gcc.c: Include xregex.h.
11318         (version_compare_spec_function): New.
11319         (spec_function): Add version-compare.
11320         (replace_outfile_spec_function): Reformat comment.
11321         (compare_version_strings): New.
11322         * config/darwin-c.c (version_as_macro): New.
11323         (builtin_define): New.
11324         (darwin_cpp_builtins): New.
11325         * config/darwin-protos.h (darwin_cpp_builtins): New.
11326         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11327         (LIB_SPEC): Make unconditional, update comment.
11328         (TARGET_C99_FUNCTIONS): Define.
11329         * config/darwin.opt: Sort.
11330         (mmacosx-version-min=): New.
11331         * config/darwin7.h: Delete.
11332         * config/darwin8.h: Delete.
11333         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11334         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11335         (TARGET_C99_FUNCTIONS): Define.
11336         * config/rs6000/darwin7.h: New.
11337         * config/rs6000/darwin8.h: New.
11338         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11339         (-mmacosx-version-min): Document.
11340
11341 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11342
11343         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11344
11345 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11346
11347         PR middle-end/22239
11348         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11349
11350 2005-07-07  Khem Raj  <kraj@mvista.com>
11351
11352         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11353         in bytes, not words.
11354
11355 2005-07-07  Paul Brook  <paul@codesourcery.com>
11356
11357         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11358         DEFAULT_FUNCTION_ARG_PADDING to upward.
11359
11360 2005-07-07  Richard Henderson  <rth@redhat.com>
11361
11362         * function.c (locate_and_pad_parm): Record parameter alignment in
11363         stack_alignment_needed.
11364
11365 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11366
11367         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11368         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11369         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11370         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11371         (define_attr "type"): Add isync, sync, load_l, store_c.
11372         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11373         Create scratch volatile MEM.
11374         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11375         sync.
11376         (load_locked_<mode>): New.
11377         (store_conditional_<mode>): New.
11378         (sync_compare_and_swap<mode>): Replace with splitter.
11379         (sync_lock_test_and_set<mode>): Replace with splitter.
11380         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11381         and UNSPECV_ISYNC.
11382         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11383         is ics.  Attribute isync.
11384         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11385         lwsync.
11386         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11387         and UNSPECV_SYNC_OP.
11388         (emit_unlikely_jump): New.
11389         (emit_load_locked): New.
11390         (emit_store_conditional): New.
11391         (rs6000_split_compare_and_swap): New.
11392         (rs6000_split_lock_test_and_set): New.
11393         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11394         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11395         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11396         rs6000_split_lock_test_and_set): Declare.
11397         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11398         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11399         store_c, isync, sync.
11400
11401 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11402
11403         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11404         filenames to gtyp-gen.h.
11405         (s-typ-gen): Use it in place of for loops.
11406
11407 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11408
11409         * hooks.c (hook_bool_rtx_int_false): New function.
11410         * hooks.h (hook_bool_rtx_int_false): Declare.
11411         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11412         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11413         * target.h (struct gcc_target): Add commutative_p member.
11414         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11415         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11416         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11417         (pa_commutative_p): New function.
11418         * jump.c (target.h): Include.
11419         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11420         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11421
11422 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11423
11424         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11425         (s390_expand_setmem): New.
11426         * config/s390/s390.c: Likewise.
11427         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11428         Adapt comments.
11429         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11430         general_operand.  Call new function "s390_expand_setmem".
11431         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11432         ("setmem_long", "*setmem_long"): ... this.
11433
11434 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11435
11436         * config/s390/s390.c: (optimization_options): Enable
11437         TARGET_MVCLE at -Os.
11438         * doc/invoke.texi: Document changes in default behaviour.
11439         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11440
11441 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11442
11443         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11444         defined by back-end.
11445
11446 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11447
11448         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11449         all sets in the pattern.
11450         * config/rs6000/rs6000.md (stack_protect_testsi,
11451         stack_protect_testdi): Likewise.
11452
11453 2005-07-06  Jeff Law  <law@redhat.com>
11454
11455         * tree-vrp.c (simplify_using_ranges): Kill.
11456         (vrp_finalize): Remove call to simplify_using_ranges.
11457         (simplify_stmt_using_ranges): New function extracted from
11458         simplify_using_ranges.
11459         (simplify_div_or_mod_using_ranges): Likewise.
11460         (simplify_abs_using_ranges): Likewise.
11461         (simplify_cond_using_ranges): New function.
11462         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11463         * tree-ssa-propagate.c (substitute_and_fold): Call
11464         simplify_stmt_using_ranges if we have range information.
11465
11466 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11467
11468         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11469         ia64_flag_schedule_isns2.
11470
11471         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11472         reading/writing general registers.
11473         (ia64_function_arg): Revert 2005-06-18 change.
11474
11475 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11476
11477         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11478         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11479
11480 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11481
11482         * function.c (expand_function_end): Revert part of 2005-06-27
11483         patch.  Do sjlj_emit_function_exit_after after return_label.
11484
11485 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11486
11487         * doc/install.texi (--disable-libssp): New.
11488
11489 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11490
11491         * doc/invoke.texi: Update -fforce-mem documentation.
11492         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11493         code for -fforce-mem.
11494         * expmed.c: (store_bit_field,store_fixed_bit_field,
11495         extract_bit_field): Ditto.
11496         * expr.c: (convert_move): Ditto.
11497         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11498         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11499         emit_conditional_add,expand_float,expand_fix): Ditto.
11500         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11501         (common_handle_option): Issue warning when -fforce-mem specified.
11502
11503 2005-07-06  Paul Brook  <paul@codesourcery.com>
11504
11505         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11506         argument is empty.
11507         * configure: Regenerate.
11508
11509 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11510
11511         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11512
11513 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11514
11515         Fix PR tree-optimization/22319
11516         Fix PR tree-optimization/22140
11517         Fix PR tree-optimization/22310
11518
11519         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11520         variable sized types.
11521         Use correct type for intermediate structure on *a = *b structure
11522         copies.
11523
11524 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11525
11526         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11527         Remove.
11528         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11529         (machine_function): Move typedef to...
11530         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11531         varargs_save_offset field.
11532         (rs6000_stack_t): Remove varargs_size field.
11533         (setup_incoming_varargs): Allocate varargs save area using
11534         assign_stack_local, try to make it as small as possible.
11535         Save offset from virtual_stack_vars_rtx to the save area
11536         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11537         instead of magic 8 when fp word byte size is used.
11538         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11539         instead of -RS6000_VARARGS_SIZE.
11540         (rs6000_stack_info, debug_stack_info,
11541         rs6000_initial_elimination_offset): Remove all traces of
11542         varargs_size.
11543         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11544         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11545         RS6000_VARARGS_AREA.
11546
11547 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11548
11549         PR tree-optimization/21963
11550         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11551         constant_multiple_of in the same way get_computation_cost_at does.
11552
11553 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11554
11555         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11556         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11557         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11558         and return its previous value.
11559         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11560         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11561         constants.
11562         (stack_protect_set, stack_protect_test): New expanders.
11563         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11564         stack_protect_testdi): New insns.
11565         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11566         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11567
11568 2005-07-06  Jeff Law  <law@redhat.com>
11569
11570         * tree-ssa-dce.c (cfg_altered): New global.
11571         (tree_dce_init): Initialize cfg_altered.
11572         (remove_dead_stmt): If we remove an edge in the CFG, then set
11573         CFG_ALTERED.
11574         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11575         the dominators.
11576
11577 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11578
11579         * Makefile.in (stamp-collect-ld): Use
11580         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11581         ./collect-ld if it already exists.
11582         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11583         Don't remove ./nm if it already exists.
11584
11585 2005-07-05  Devang Patel  <dpatel@apple.com>
11586
11587         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11588         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11589         * tree-vectorizer.c (vect_loop_location): New.
11590         (vect_print_dump_info): Use vect_loop_location.
11591         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11592         (vectorize_loops): Set vect_loop_location.
11593         * tree-vect-analyze.c (vect_analyze_offset_expr,
11594         vect_determin_vectorization_factor, vect_analyze_operations,
11595         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11596         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11597         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11598         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11599         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11600         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11601         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11602         vect_analyze_loop): Adjust vect_print_dump_info API.
11603         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11604         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11605         vect_finish_stmt_generation, vectorizable_assignment,
11606         vectorizable_operation, vectorizable_store, vectorizable_load,
11607         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11608         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11609         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11610         vect_transform_loop): Same.
11611         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11612         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11613         Same.
11614
11615 2005-07-05  Randolph Chung  <tausq@debian.org>
11616
11617         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11618         * configure: Regenerate.
11619         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11620         (pa_tls_referenced_p): Declare.
11621         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11622         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11623         (legitimize_tls_address): New.
11624         (hppa_legitimize_address): Handle TLS addresses.
11625         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11626         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11627         (emit_move_sequence): Handle TLS addresses.
11628         (pa_encode_section_info): Call default handler to handle common
11629         sections.
11630         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11631         (CONSTANT_ADDRESS_P): Reject TLS operands.
11632         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11633         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11634         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11635         (UNSPEC_TLSLE): Define new constants.
11636         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11637         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11638         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11639         (tie_symbolic_operand, tle_symbolic_operand): New
11640
11641 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11642
11643         * aclocal.m4: Update macros for autoconf 2.59 style.
11644         * configure.ac: Likewise.
11645
11646 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11647
11648         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11649         (function_arg): Pass small aggregates in general registers on 32-bit
11650         targets.
11651         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11652
11653 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11654
11655         * Makefile.in (final.o): Fix dependencies.
11656
11657 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11658
11659         PR c/22013
11660         PR c/22098
11661         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11662         * langhooks.c (lhd_expr_to_decl): New.
11663         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11664         New.
11665         (LANG_HOOKS_INITIALIZER): Update.
11666         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11667         expr_to_decl langhook.
11668         * c-tree.h (c_expr_to_decl): Declare.
11669         * c-typeck.c (c_expr_to_decl): New.
11670         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11671         specially.
11672         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11673
11674 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11675
11676         PR c/22308
11677         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11678         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11679
11680 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11681
11682         * Makefile.in: Adjust dependencies.
11683         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11684         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11685         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11686         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11687         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11688         rest_of_compilation.
11689
11690         * bb-reorder.c (gate_duplicate_computed_gotos,
11691         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11692         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11693         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11694         pass_partition_blocks): New.
11695         * bt-load.c (gate_handle_branch_target_load_optimize,
11696         rest_of_handle_branch_target_load_optimize,
11697         pass_branch_target_load_optimize): New.
11698         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11699         pass_jump2): New.
11700         * cfglayout.c (pass_insn_locators_initialize): New.
11701         * cfgrtl.c (pass_free_cfg): New.
11702         * combine.c (gate_handle_combine, rest_of_handle_combine,
11703         pass_combine): New.
11704         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11705         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11706         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11707         * except.c (pass_set_nothrow_function_flags,
11708         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11709         pass_rtl_eh): New.
11710         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11711         rest_of_handle_shorten_branches, pass_shorten_branches,
11712         rest_of_clean_state, pass_clean_state): New.
11713         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11714         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11715         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11716         pass_flow2): New.
11717         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11718         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11719         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11720         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11721         pass_gcse): New.
11722         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11723         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11724         pass_rtl_ifcvt, gate_handle_if_after_combine,
11725         rest_of_handle_if_after_combine, pass_if_after_combine,
11726         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11727         pass_if_after_reload): New.
11728         * integrate.c (pass_initial_value_sets): New.
11729         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11730         pass_purge_lineno_notes): New.
11731         * mode-switching.c (rest_of_handle_mode_switching,
11732         pass_mode_switching): New.
11733         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11734         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11735         pass_loop2): New.
11736         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11737         pass_loop_optimize): New.
11738         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11739         pass_sms): New.
11740         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11741         pass_gcse2): New.
11742         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11743         pass_postreload_cse): New.
11744         * profile.c (gate_handle_profiling, pass_profiling,
11745         rest_of_handle_branch_prob, pass_branch_prob): New.
11746         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11747         pass_split_before_regstack, gate_handle_split_before_regstack,
11748         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11749         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11750         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11751         pass_stack_regs): New.
11752         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11753         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11754         pass_stack_adjustments): New.
11755         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11756         pass_regrename): New.
11757         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11758         pass_delay_slots, gate_handle_machine_reorg,
11759         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11760         * rtl.h (extern void purge_line_number_notes): New.
11761         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11762         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11763         pass_sched2): New.
11764         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11765         pass_tracer): New.
11766         * value-prof.c (gate_handle_value_profile_transformations,
11767         rest_of_handle_value_profile_transformations,
11768         pass_value_profile_transformations): New.
11769         * var-tracking.c (gate_handle_var_tracking,
11770         pass_variable_tracking): New.
11771         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11772
11773         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11774         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11775         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11776         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11777         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11778         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11779         rest_of_handle_gcse2, rest_of_handle_regmove,
11780         rest_of_handle_tracer, rest_of_handle_if_conversion,
11781         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11782         rest_of_handle_web, rest_of_handle_branch_prob,
11783         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11784         rest_of_handle_jump_bypass, rest_of_handle_combine,
11785         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11786         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11787         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11788         rest_of_handle_mode_switching, rest_of_handle_jump,
11789         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11790         rest_of_handle_flow2, rest_of_handle_jump2,
11791         rest_of_handle_peephole2, rest_of_handle_postreload,
11792         rest_of_handle_shorten_branches, rest_of_clean_state,
11793         rest_of_compilation): Remove.
11794
11795         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11796         * passes.c (dump_flags, in_gimple_form, all_passes,
11797         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11798         register_dump_files, next_pass_1, last_verified, execute_todo,
11799         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11800         from tree-optimize.c.
11801         (init_optimization_passes): Moved from tree-optimize.c,
11802         adding the RTL optimizations.
11803         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11804         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11805         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11806         register_dump_files, next_pass_1, last_verified, execute_todo,
11807         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11808         init_tree_optimization_passes, ipa_passes): Delete.
11809         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11810         the RTL dumps.
11811         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11812         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11813         from tree.h.
11814         (ipa_passes): Remove.
11815         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11816         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11817         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11818         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11819         (dump_info_p, dump_flag): Moved to tree-dump.h.
11820
11821         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11822         cgraph.c, opts.c.
11823         * passes.c (finish_optimization_passes): Use dump_begin
11824         and dump_end, TDI_end.
11825         (gate_rest_of_compilation): New.
11826         (pass_rest_of_compilation): Use it.
11827         (gate_postreload, pass_postreload): New.
11828         * toplev.c (general_init): Rename init_tree_optimization_passes.
11829         * toplev.h (init_tree_optimization_passes): Rename to
11830         init_optimizations_passes.
11831         * tree-dump.c (dump_flag): Make static.
11832         (dump_files): Remove RTL dumps.
11833         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11834         pass_cleanup_cfg, pass_free_cfg_annotations,
11835         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11836         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11837         * tree-pretty-print.c: Include tree-pass.h.
11838         * cgraph.c: Include tree-dump.h.
11839
11840 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11841
11842         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11843         Only fall back to saying it points to readonly memory if
11844         we can't do better.
11845
11846 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11847
11848         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11849         * config/m32r/m32r.c (m32r_compute_frame_size,
11850         m32r_expand_prologue): Take current_function_profile into
11851         account whenever we reference
11852         current_function_uses_pic_offset_table.
11853         (m32r_finalize_pic): Remove.
11854         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11855
11856 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11857
11858         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11859         instead of $<.  Don't remove ./as if it already exists.
11860
11861 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11862
11863         PR target/21723
11864         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11865         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11866         for complex modes when generating code for PA 1.0.
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         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11873         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11874         (VALID_FP_MODE_P): New macro.
11875         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11876         sets for all general and floating point modes.  Align wide floating
11877         point modes to even register boundaries to comply with architectural
11878         requirements.
11879
11880 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11881
11882         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11883         to 0.
11884
11885 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11886
11887         * tree-ssa-structalias.c: Don't include expr.h.
11888
11889 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11890
11891         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11892         comments.
11893
11894 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11895
11896         Fix PR tree-optimization/22279
11897
11898         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11899         correct operator.
11900
11901 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11902
11903         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11904
11905 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11906
11907         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11908         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11909         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11910         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11911         config/stormy16/stormy16.c, config/v850/v850.c,
11912         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11913         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11914         Avoid "." or "\n" at end of diagnostics and capital letters at
11915         start of diagnostics.
11916         * combine.c, cse.c: Don't translate dump file output.
11917         * toplev.c (print_version): Only translate output if going to
11918         stderr.
11919
11920 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11921
11922         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11923         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11924         typos.
11925
11926 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11927
11928         * pa.c (fix_range): Fix typo in comment.
11929
11930 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11931
11932         * tree-vrp.c (extract_range_from_assert): Replace
11933         fold (build (...)) with fold_build2.
11934
11935 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11936
11937         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11938         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11939         (format_types_orig, handle_format_attribute): Add support for
11940         format "gcc_gfc".
11941
11942 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11943
11944         * varasm.c (assemble_variable): Fix format specifier thinko.
11945
11946 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11947
11948         PR tree-optimization/22029 (and 22135)
11949         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11950         a phi node before calling dump_vops.
11951
11952 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11953
11954         * tree-dump.h (dump_string_field): Declare.
11955         * tree-dump.c: Use it instead of dump_string.
11956         (dump_string_field): Make non-static.
11957
11958 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11959
11960         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11961         up the minimal CFG stuff always when optimize > 0.  Call
11962         split_all_insns_noflow in PIC case if needed.
11963
11964 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11965             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11966
11967         PR c++/18279
11968         * c-decl.c (c_write_global_declarations): Dump contents of
11969         external scope to.
11970         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11971         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11972         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11973         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11974         is enabled.
11975
11976 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11977
11978         * c-common.h (GCC_DIAG_STYLE): Define.
11979         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11980         version for format checking to 4.1.
11981         * c-format.c: Include toplev.h after c-common.h.
11982         (enum format_type): Add gcc_tdiag_format_type.
11983         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11984         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11985         (format_types_orig): Add gcc_tdiag.
11986         (init_dynamic_diag_info): Support gcc_tdiag formats.
11987         (handle_format_attribute): Likewise.
11988         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11989         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11990         version for format checking to 4.1.
11991         (warning0, warning, error, pedwarn, sorry): Use
11992         ATTRIBUTE_GCC_DIAG.
11993         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11994         (finish_aliases_1): Do not use %qE.
11995         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11996         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11997         Correct format bugs.
11998         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11999         parameter to unsigned HOST_WIDE_INT.
12000         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12001
12002 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12003
12004         PR middle-end/21742
12005         * expr.c (write_complex_part): Use adjust_address for MEM.
12006         (read_complex_part): Same.
12007
12008 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12009
12010         Fix PR tree-optimization/22280
12011
12012         * tree-sra.c (generate_element_init): Remove useless loop.
12013
12014 2005-07-02  Richard Henderson  <rth@redhat.com>
12015
12016         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12017         TLS_MODEL_NONE.
12018         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12019
12020 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12021
12022         PR middle-end/14490
12023         * fold-const.c (fold_binary): Handle the return value of
12024         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12025         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12026
12027 2005-07-02  Jeff Law  <law@redhat.com>
12028
12029         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12030         a eliminate type conversion which feeds an equality comparison
12031         if the original type or either operand in the comparison is a
12032         function pointer.
12033
12034 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12035
12036         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12037         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12038         texts.
12039         * config/avr/avr.c: Do not use '`' as left quote.
12040         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12041         Remove "." from end of diagnostics.  Make diagnostics start with
12042         lowercase letter.
12043
12044 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12045             Joseph S. Myers  <joseph@codesourcery.com>
12046
12047         * toplev.c (default_tree_printer): Handle setting location with
12048         '+' flag.
12049         * c-objc.common.c (c_tree_printer): Likewise.
12050         * c-format.c (gcc_diag_flag_specs): Add '+'.
12051         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12052         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12053         formats.
12054         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12055         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12056         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12057         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12058         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12059         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12060         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12061         format arguments where %J is used without %D.
12062
12063 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12064
12065         * gcc.c (LINK_SSP_SPEC): Define.
12066         (link_ssp_spec): New variable.
12067         (LINK_COMMAND_SPEC): Add %(link_ssp).
12068         (static_specs): Add link_ssp_spec.
12069         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12070         * configure: Rebuilt.
12071         * config.in: Rebuilt.
12072
12073         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12074         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12075         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12076         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12077         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12078         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12079         -0x7008(2) instead of reading __stack_chk_guard variable.
12080         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12081         number.
12082         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12083         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12084         if TARGET_THREAD_SSP_OFFSET is defined.
12085         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12086         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12087
12088         Revert:
12089         2005-06-27  Richard Henderson  <rth@redhat.com>
12090         * libgcc-std.ver (GCC_4.1.0): New.
12091         * libgcc.h (__stack_chk_guard): Declare.
12092         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12093         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12094         * mklibgcc.in (lib2funcs): Add them.
12095
12096 2005-07-01  Richard Henderson  <rth@redhat.com>
12097
12098         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12099         void * before struct sigcontext *.
12100         (x86_fallback_frame_state): Likewise.
12101
12102 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12103
12104         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12105
12106 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12107
12108         PR tree-opt/22269
12109         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12110         we check for SSA_NAME for.
12111
12112 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12113
12114         Fix PR tree-optimization/22071
12115
12116         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12117         function.
12118         (get_constraint_for_component_ref): Use it.
12119
12120 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12121
12122         PR other/22264
12123         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12124         print out the last new line.
12125
12126 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12127
12128         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12129         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12130         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12131         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12132         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12133         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12134         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12135         (enum reg_class): New member CC0_REGS.
12136         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12137         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12138         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12139         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12140         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12141         Adjust for register now described.
12142
12143 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12144
12145         PR target/22262
12146         * config/i386/i386.md (stack_protect_test_si,
12147         stack_protect_test_di): Add earlyclobber for scratch 3.
12148         * config/rs6000/rs6000.md (stack_protect_testsi,
12149         stack_protect_testdi): Add earlyclobber for scratch 3,
12150         remove earlyclobber from scratch 4.
12151
12152 Older entries for 2005 can be found in ChangeLog-2005.