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2005-12-16 Andreas Krebbel <krebbel1@de.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2
3         PR 24823
4         * flow.c (mark_used_dest_regs): New function.
5         (mark_used_regs): Call mark_used_dest_regs.
6
7 2005-12-16  Jeff Law  <law@redhat.com>
8
9         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
10         represent a use and definition of the same SSA_NAME.
11
12 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
13             Janis Johnson  <janis187@us.ibm.com>
14             Ben Elliston  <bje@au.ibm.com>
15
16         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
17         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
18         * target.h (struct gcc_target): Add decimal_float_supported_p.
19         * targhooks.c (default_scalar_mode_supported_p): Handle
20         MODE_DECIMAL_FLOAT.
21         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
22         of inf, nan, finite, isinf and isnan.
23         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
24         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
25         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
26         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
27         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
28         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
29         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
30         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
31         Pedwarn if decimal floating point types are used.  Error if
32         decimal floating point is not supported by the target.
33         (finish_declspecs): Return type from DFP typespec_word.
34         * c-typeck.c (c_common_type): Choose the decimal floating point
35         type with the greater precision when determining a common type.
36         (convert_arguments): Warn if there is a mismatch between argument
37         and prototype for decimal float types.  Warn of conversions with
38         binary float types and of precision narrowing due to prototype.
39         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
40         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
41         (c_token_starts_declspecs): Likewise.
42         (c_parser_attributes): Likewise.
43         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
44         RID_DFLOAT64, RID_DFLOAT128.
45         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
46         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
47         (shorten_compare): Convert DFP/BFP operands to a common type.
48         (c_common_modes_and_builtins): Register built-in decimal float
49         types if the target supports them.
50         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
51         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
52         inf, nan, finite, isinf and isnan builtins.
53         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
54         (builtin_define_float_constants): Assert non-decimal radix.
55         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
56         Call builtin_define_decimal_float_constants for each type.
57         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
58         flags.  Use real_from_string3, which can handle binary or decimal
59         floats.
60         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
61         cts_dfloat64, cts_dfloat128.
62         * tree.c (build_common_tree_nodes_2): Add decimal float types.
63         * tree.h (enum tree_index): Add new enumeration values
64         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
65         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
66         (dfloat32_type_node): New macro.
67         (dfloat64_type_node, dfloat128_type_node): Likewise.
68         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
69         (dfloat128_ptr_type_node): Likewise.
70         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
71         bit decimal floating point types with "df", "dd" and "dl".
72         * c-format.h (enum format_lengths): Add new enumeration values
73         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
74         * c-format.c (printf_length_specs, scanf_length_specs): Add
75         entries for H, D, DD.
76         (print_char_table, scan_char_table): Use new entries.
77         (asm_fprintf_char_table, gcc_diag_char_table,
78         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
79         length arrays.
80         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
81         (DECIMAL64_TYPE_SIZE): Likewise.
82         (DECIMAL128_TYPE_SIZE): Likewise.
83         (TARGET_DEC_EVAL_METHOD): Likewise.
84         * doc/extend.texi (Decimal Float): New node.
85         (Constructing Calls): Document decimal float built-ins.
86         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
87         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
88         * ginclude/decfloat.h: New file.
89
90 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
91
92         * reload.c (find_reloads): Fix comment typo.
93         * recog.h (recog_memoized): Correct comment.
94
95 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
96
97         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
98         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
99         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
100         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
101         * doc/invoke.texi, doc/tm.texi: Fix typos.
102
103 2005-12-16  Ben Elliston  <bje@au.ibm.com>
104
105         * real.c (decimal_quad_format): Correct values for emin, emax.
106
107 2005-12-15  DJ Delorie  <dj@redhat.com>
108
109         * config/m32c/predicates.md (m32c_psi_scale): New.
110         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
111         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
112
113 2005-12-16  Jan Hubicka  <jh@suse.cz>
114
115         PR rtl-optimization/25224
116         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
117         tables.
118
119 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
120             Steven Bosscher <stevenb@suse.de>
121
122         * loop-invariant.c (df): New global variable.
123         (find_defs, check_dependencies, find_invariant_insn, record_uses,
124         find_invariants_bb, find_invariants_body, find_invariants,
125         find_invariants_to_move, move_invariants, free_inv_motion_data,
126         move_single_loop_invariants, move_loop_invariants): Do not pass df in
127         arguments.
128
129 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
130
131         * varasm.c (default_unique_section_1): Use special section
132         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
133
134 2005-12-16  Ben Elliston  <bje@au.ibm.com>
135
136         * doc/invoke.texi (Warning Options): Document -Walways-true being
137         enabled by -Wall.
138
139 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
140
141         PR other/25028
142         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
143         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
144         __floatunditf): Use #error if type sizes don't match requirements
145         of implementation.
146         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
147         as wider floating-point type.  Use #error if type sizes don't
148         match requirements of implementation.  Avoid overflow in computing
149         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
150         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
151         (__floatundisf, __floatundidf): Likewise.
152         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
153         * config/ia64/ia64.c (ia64_init_libfuncs): Use
154         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
155         TFmode-TImode conversions.
156         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
157
158 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
159
160         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
161         Use builtin_define_with_int_value() instead of
162         adding a new check for every new major FreeBSD version.
163
164 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
165
166         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
167
168 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
169
170         * config/arm/predicates.md (call_memory_operand): New.
171         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
172
173 2005-12-15  Andrew Haley  <aph@redhat.com>
174
175         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
176         against prev_cache_entry == NULL when moving a cache entry to the
177         head of the list.
178         
179 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
180
181         * config/mt/mt.c (mt_override_options): Require lower case
182         architectures.  Revert accidental default to ms2.
183         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
184         ENDFILE_SPEC): Require lower case architectures.  Revert default
185         to ms2.
186
187         * doc/invoke.texi (MT Options): Rename and update.
188         * doc/md.texi (MorphoTech family): Rename and update.
189
190 2005-12-15  Olivier Hainque  <hainque@adacore.com>
191
192         * stor-layout.c (layout_type): Don't complain about a too small
193         an array element type size compared to its alignment when the
194         size overflows.
195
196 2005-12-15  Jan Hubicka  <jh@suse.cz>
197
198         PR target/24969
199         * i386.c (classify_argument): Properly adjust offset of bitfield for
200         substructures.
201
202 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
203
204         * final.c (final_scan_insn): Flip in_cold_section_p when changing
205         between the hot and cold sections.  Use current_function_section
206         to get the new section.
207         * dwarf2out.c (output_line_info): Use in_cold_section_p to
208         determine whether we are assembling hot or cold code.
209         (secname_for_decl, dwarf2out_var_location): Likewise.
210         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
211         * varasm.c (last_text_section): Delete.
212         (in_cold_section_p): New variable.
213         (hot_function_section): New function.
214         (current_function_section): Pass in_cold_section_p as the
215         reloc argument to select_section.  Use it to decide between
216         unlikely_function_section and hot_function_section.
217         (assemble_start_function): Use switch_to_section.  Set
218         in_cold_section_p instead of last_text_section.
219         (assemble_end_function): Use switch_to_section.
220         (switch_to_section): Don't set last_text_section.
221         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
222         argument to make the right choice between hot and cold sections.
223
224 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
225
226         Second part of MS1->MT renaming
227         * config/mt/mt.md (doloop_end): Call mt_add_loop.
228         (movqi, movhi): Call mt_set_memflags.
229         (*movdf_internal): Call mt_split_words. 
230         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
231         mt_set_memflags.
232         (cmpsi): Store to mt_compare_op[01].
233         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
234         bungt, bunle, bunlt): Call mt_emit_cbranch.
235         (prologue): Call mt_expand_prologue.
236         (epilogu): Call mt_expend_epilogue.
237         (eh_return): Call mt_expand_eh_return.
238         (eh_epilogue): Call me_emit_eh_epilogue.
239         (conditional_trap): Store to mt_compare_op[01].
240         * config/mt/crti.asm: Adjust comment.
241         * config/mt/crtn.asm: Adjust comment.
242         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
243         (mt_compare_op0, mt_compare_op1): Renamed.
244         (current_frame_info, zero_frame_info): Adjust type.
245         (mt_ucmpsi3_libcall): Renamed.
246         (mt_flag_delayed_branch): Renamed.
247         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
248         (mt_nops_required, mt_nop_reasons): Renamed.
249         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
250         mt_debug_stack, mt_print_operand_simple_address,
251         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
252         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
253         mt_function_arg_advance, mt_arg_partial_bytes,
254         mt_pass_by_reference, mt_function_arg_boundary,
255         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
256         mt_legitimate_address_p): Renamed, adjusted.
257         (mt_cpu): Renamed.
258         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
259         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
260         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
261         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
262         mt_expand_eh_return, mt_emit_eh_prologue,
263         mt_handl_interrupt_attribute): Renamed, adjusted.
264         (mt_attribute_table): Renamed, adjusted.
265         (mt_initial_elimination_offset, mt_generate_compare,
266         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
267         mt_secondary_reload_class, mt_function_value, mt_split_words,
268         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
269         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
270         (mt_labels): Renamed.
271         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
272         mt_machine_reorg): Renamed, adjusted.
273         (mt_attribute_table: Renamed.
274         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
275         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
276         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
277         * config/mt/mt.opt (march): Set mt_cpu_string.
278         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
279         (TARGET_CPU_CPP_BUILTINS): Adjust.
280         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
281         TARGET_MS2): Adjust.
282         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
283         (MT_MIN_INT): Renamed.
284         (RETURN_ADDR_RTX): Adjust.
285         (struct mt_frame_info): Renamed.
286         (current_frame_info): Adjust type.
287         (INITIAL_ELIMINATION_OFFSET): Adjust.
288         (MT_NUM_ARG_REGS): Renamed.
289         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
290         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
291         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
292         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
293         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
294         (mt_compare_op0, mt_compare_op1): Renamed.
295         * config/mt/mt-protos.h: Rename prototypes.
296
297 2005-12-15  Richard Guenther  <rguenther@suse.de>
298
299         * tree-flow.h (okay_component_ref_for_subvars): Remove.
300         (get_ref_base_and_extent): Declare.
301         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
302         (get_ref_base_and_extent): New function.
303         * tree-ssa-alias.c (find_used_portions): Use it.
304         * tree-ssa-structalias.c (get_constraint_for_component_ref):
305         Likewise.
306         * tree-ssa-operands.c (get_expr_operands): Likewise.
307
308 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
309
310         * combine.c: Remove force_to_mode's fourth parameter.
311         (force_to_mode): Do not handle REG.
312         (canon_reg_for_combine): New.
313         (make_field_assignment): Use it where the removed argument was non-NULL.
314
315 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
316
317         PR target/25406
318         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
319         error_mark_node.  Make alignment params unsigned.
320         * config/rs6000/rs6000-protos.h
321         (rs6000_special_round_type_align): Update prototype.
322         (rs6000_machopic_legitimize_pic_address): Remove arg names.
323
324 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
325
326         PR rtl-optimization/25310
327         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
328         of the eliminable register when substituting into a PLUS.
329
330 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
331
332         PR debug/25023
333         * config/i386/i386.c (ix86_force_to_memory): Always use
334         SImode push for HImode in -m32.
335         (ix86_free_from_memory): Likewise.
336
337 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
338
339         * gcc/config/arm/arm.md: Provide a big-endian version of the
340         (zero_extend:SI (subreg:QI ...)) splitter.
341
342 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
343
344         * struct-equiv.c (note_local_live): Handle hard regs with different
345         hard_regno_nregs.
346
347 2005-12-14  Jeff Law  <law@redhat.com>
348
349         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
350         to a structure containing state rather than a pointer to bool.
351         (case ARRAY_REF): New code to handle folding some array references.
352         (case ADDR_EXPR): Note when we are processing expressions found
353         within an ADDRE_EXPR.
354         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
355         for state variables rather than just a pointer to a boolean.
356         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
357         handling of constant string references.
358
359 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
360
361         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
362         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
363         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
364         Move other tst* patterns to retain partial order.
365
366 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
367
368         * config/s390/s390.md ("d0", "1"): New mode attributes.
369         ("<shift>di3", "<shift>si3"): Merge.
370         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
371         ("ashrdi3", "ashrsi3"): Merge.
372         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
373         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
374         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
375         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
376         ("*ashrdi3", "*ashrsi3"): Merge.
377         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
378
379 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
380
381         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
382         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
383         ("*extendqidi2", "*extendqisi2") Merge.
384         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
385         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
386         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
387         Move some patterns to retain partial ordering.
388
389 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
390
391         * config/s390/s390.md ("atype", "length"): Rewrite.
392         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
393
394 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
395
396         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
397
398 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
399
400         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
401         PARALLELs with a mode.
402
403 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
404
405         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
406         cond_expr parameter.
407
408 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
409
410         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
411
412 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
413
414         PR bootstrap/25397:
415
416         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
417         of STACK_REGS bits.
418
419         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
420
421 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
422
423         PR target/25254
424         PR target/24188
425         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
426         DECL_P, call get_section rather than get_named_section.  Supply
427         section flags to it.
428
429 2005-12-14  Ben Elliston  <bje@au.ibm.com>
430
431         * c-common.c (c_common_truthvalue_conversion): Generalise warning
432         for addresses converted to booleans; not just function addresses.
433         * c-typeck.c (build_binary_op): Warn for address comparisons which
434         can never be NULL (eg. func == NULL or &var == NULL).
435         * common.opt (Walways-true): New option.
436         * c-opts.c (c_common_handle_option): Set it with -Wall.
437         * doc/invoke.texi: Document it.
438
439 2005-12-13  Paul Brook  <paul@codesourcery.com>
440
441         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
442         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
443
444 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
445
446         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
447         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
448
449         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
450         (EXTRA_MULTILIB_PARTS): Define.
451
452 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
453
454         PR rtl-optimization/20070 / part1
455         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
456         count_or_remove_death_notes with kill == -1.
457         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
458         registers if PROP_POST_REGSTACK is set.
459         (mark_used_reg): Likewise.
460         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
461         REG_UNUSED notes for stack regs.
462         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
463         to match rtx_equiv_p machinery.  Change caller.
464         (outgoing_edges_match): Likewise.
465         (try_crossjump_to_edge): Use struct_equiv_block_eq
466         instead of flow_find_cross_jump.
467         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
468         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
469         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
470         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
471         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
472         (insns_match_p): Update prototype.
473         (flow_find_cross_jump): Remove prototype.
474         (struct_equiv_block_eq, struct_equiv_init): Declare.
475         (rtx_equiv_p, condjump_equiv_p): Likewise.
476         * struct-equiv.c: Include reload.h.
477         (IMPOSSIBLE_MOVE_FACTOR): Define.
478         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
479         (struct_equiv_improve_checkpoint): Likewise.
480         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
481         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
482         (struct_equiv_merge, find_dying_input): Likewise.
483         (resolve_input_conflict, note_local_live): Likewise.
484         (death_notes_match_p): Change parameters and processing
485         to match rtx_equiv_p machinery.  Change caller.
486         (insns_match_p): Likewise.
487         (flow_find_cross_jump): Replace with:
488         (struct_equiv_block_eq).
489
490         Back out this change:
491         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
492           * recog.c (verify_changes): Make it static.
493           * recog.h: Remove the corresponding prototype.
494
495 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
496
497         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
498         values.
499
500 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
501
502         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
503         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
504         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
505         TARGET_MS1_64_001 appropriately.
506         (ms1_machine_reorg): Use TARGET_MS2.
507
508 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
509
510         PR debug/25023
511         PR target/25293
512         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
513         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
514         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
515         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
516         Set mode to SI, adjust constraints.
517         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
518         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
519         32-bit code.
520
521 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
522
523         * c-cppbuiltin.c (builtin_define_float_constants): Add
524         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
525         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
526         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
527         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
528         to "((double)%sL)" otherwise "%s".
529
530 2005-12-13  Paul Brook  <paul@codesourcery.com>
531
532         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
533         apcs/atpcs.
534
535 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
536
537         * tree-flow.h: Allow compilation with a C++ compiler.
538         (struct edge_prediction): Prefix all field names  with "ep_".
539         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
540         (tree_predict_edge, combine_predictions_for_bb): Likewise.
541         (remove_predictions_associated_with_edge): Likewise.
542         
543 2005-12-12  Jeff Law  <law@redhat.com>
544
545         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
546         reassociation code.
547         * passes.c (init_optimization_passes): Run reassociation again
548         after loop optimizations.
549
550 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
551
552         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
553         if necessary.
554         (optimize_stmt): Ditto.
555         (canonicalize_comparison): New function.
556         * tree-ssa-operands.c (swap_tree_operands): Make external.
557         (get_expr_operands): Stop auto-canonicalization.
558         * tree-ssa-reassoc.c: Rewrite.
559         (init_optimization_passes): 
560         * tree-flow.h (swap_tree_operands): Prototype.
561         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
562
563 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
564
565         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
566         indicate function epilogue has been output.
567         (pa_asm_output_mi_thunk): Likewise.
568         (output_deferred_plabels): Put plabels in readonly data section when
569         not generating PIC code.
570         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
571         information.  Add assert.
572         (som_output_comdat_data_section_asm_op): New function.
573         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
574         instead of output_section_asm_op for COMDAT sections.
575
576 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
577
578         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
579         Fix whitespace in vincinity of to-be-installed changes.
580         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
581         (insns_match_p): Likewise.
582
583 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
584
585         * config.gcc (ms1): Replace with ...
586         (mt): ... this.
587         * config/ms1: Rename to ...
588         * config/mt: ... here.  Rename ms1 files to mt.
589         * config/mt/mt.c: Adjust gt-mt.h #include.
590         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
591         (crti.o, crtn.o): Adjust file names.
592
593 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
594
595         * varray.h: Allow compilation with a C++ compiler.
596         (union varray_data_tag): Prefix all field names with "vdt_".
597         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
598         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
599         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
600         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
601         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
602         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
603         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
604         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
605         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
606         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
607         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
608         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
609         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
610         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
611         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
612         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
613         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
614         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
615         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
616         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
617         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
618         VARRAY_TOP_TREE_PTR): Likewise.
619         * varray.c (varray_grow): Likewise.
620         (varray_clear): Likewise.
621
622 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
623
624         PR target/25299
625         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
626         alignment to doubleword if the first field is a double array.
627         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
628
629 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
630
631         * tree-ssa-structalias.c (process_constraint): Remove code to
632         transform addressofs into scalar.
633         (create_variable_info_for): In whole-program IPA, globals don't
634         point to ANYTHING by default.
635
636 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
637
638         * timevar.def (TV_IPA_PTA): New.
639         * tree-pass.h (pass_ipa_pta): New
640         * tree-ssa-structalias.c: Include cgraph.h
641         (in_ipa_mode): New.
642         (predbitmap_obstack): New.
643         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
644         (struct constraint_stats): Add num_edges.
645         (new_var_info): Don't call bitmap_clear.
646         (struct constraint_edge): Update docs.
647         (new_constraint_edge): Remove src param.
648         (struct constraint_graph): Add zero_weight_succs,
649         zero_weight_preds.  Update docs.
650         (constraint_expr_equal): Reformat.
651         (constraint_edge_equal): Update for removal of src.
652         (constraint_edge_less): Ditto.
653         (constraint_edge_vec_find): Ditto.
654         (erase_graph_self_edge): Update for removal of src and and zero
655         weight bitmap.
656         (clear_edges_for_node): Ditto.
657         (add_graph_edge): Ditto.
658         (get_graph_weights): Ditto.
659         (allocate_graph_weights): Ditto.
660         (merge_graph_nodes): Ditto.
661         (int_add_graph_edge): Ditto.
662         (valid_graph_edge): Ditto.
663         (valid_weighted_graph_edge): Ditto.
664         (build_constraint_graph): Ditto.
665         (scc_visit): Ditto.
666         (collapse_nodes): Ditto.
667         (process_unification_queue): Ditto.
668         (topo_visit): Ditto.
669         (solve_graph): Ditto.
670         (do_structure_copy): Ditto.
671         (perform_var_substitution): Ditto.
672         Init and release obstack.
673         (handle_ptr_arith): Try to resolve directly.
674         (find_func_aliases): Don't call update_alias_info here
675         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
676         (do_sd_constraint): Add code for propagating faster.
677         Update.
678         (do_ds_constraint): Ditto.
679         (count_num_arguments): New function.
680         (create_function_info_for): Ditto.
681         (create_variable_info_for): Handle FUNCTION_DECL.
682         (intra_create_variable_infos): Use make_constraint_to_anything.
683         (init_alias_vars): Init obstacks here.
684         (need_to_solve): Handle zero weight graph changes.
685         (compute_points_to_sets): Call update_alias_info here.
686         (delete_points_to_sets): Free zero weight preds/succs here.
687         (gate_ipa_pta): New.
688         (ipa_pta_execute): New
689
690 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
691
692         * tree-ssa-structalias.c (var_anyoffset): Removed.
693         (anyoffset_tree): Ditto.
694         (anyoffset_id): Ditto.
695         (do_deref): Take vector of constraints, no return value.
696         Update to work on vector.                
697         (get_constraint_for): Ditto.
698         (get_constraint_for_component_ref): Ditto.
699         (do_structure_copy): Ditto.
700         (handle_ptr_arith): Ditto.
701         (find_func_aliases): Ditto.
702         (set_uids_in_ptset): Remove anyoffset handling.
703         (init_base_vars): Ditto.
704
705 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
706
707         PR c++/25010
708         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
709         DECL_EXTERNAL functions have no bodies.  Tidy.
710
711 2005-12-10  Andreas Schwab  <schwab@suse.de>
712
713         * except.c (switch_to_exception_section): Only define if
714         TARGET_UNWIND_INFO is not defined.
715
716 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
717
718         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
719         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
720
721 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
722
723         * output.h (init_section, fini_section): Delete.
724         * varasm.c (init_section, fini_section): Delete.
725         (init_varasm_once): Don't initialize them.
726         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
727         there are no corresponding varasm.c variables.
728
729 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
730
731         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
732         of EH_FRAME_SECTION_NAME into...
733         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
734         if it is still null.
735         * except.c (default_exception_section): Delete, moving most
736         of the code to...
737         (switch_to_exception_section): ...this new function.  Set
738         exception_section if it is still null, then switch to it.
739         (output_function_exception_table): Use switch_to_exception_section.
740         * varasm.c (exception_section, eh_frame_section): Update comments.
741         (get_section): Hoist use of SECTION_NAMED.
742         (init_varasm_once): Don't set exception_section and eh_frame_section.
743         * output.h (default_exception_section): Delete.
744         (default_eh_frame_section): Delete.
745
746 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
747
748         * config/bfin/bfin.c: Include "cgraph.h".
749         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
750         Return the reg that holds the pointer to the GOT.
751         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
752         doing stack checking.
753
754 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
755
756         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
757         recompute_tree_invarant_for_addr_expr.
758         Update uses everywhere.
759
760 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
761
762         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
763         (MULTILIB_DIRNAMES): Define.
764
765 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
766
767         PR target/25311
768         * config/s390/s390.c (struct s390_address): New field literal_pool.
769         (s390_decompose_address): Compute literal_pool field.  Do not 
770         assume register %r13 is always (and solely) used as pool base.
771         (s390_extra_constraint_str): Use literal_pool field.
772
773 2005-12-09  Thiemo Seufer  <ths@networkno.de>
774
775         * config/mips/mips.c (override_options): Don't allow too small
776         integers in FP registers.
777
778 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
779
780         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
781         targetm.binds_local_p to check for local function calls.
782
783 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
784
785         PR debug/24908
786         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
787         call_used_regs can't be used to save reg in another reg.
788
789 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
790             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
791
792         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
793         abort.
794         * except.c (output_ttype): Likewise.
795         * tree-object-size.c (collect_object_sizes_for): Likewise.
796         (check_for_plus_in_loops_1): Likewise.
797         (check_for_plus_in_loops): Likewise.
798         (compute_object_sizes): Use gcc_unreachable instead of abort.
799
800 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
801
802         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
803         (loop_end, loop_init, doloop_end): New insns.
804         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
805         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
806         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
807         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
808         * config/ms1/ms1.c: #include basic-block.h
809         (struct machine_function): Add has_loops field.
810         (ms1_add_loop): New.
811         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
812         (struct loop_info, struct loop_work): New.
813         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
814         (ms1_reorg_loops): New loop optimization.
815         (ms1_machine_reorg): Call it.
816         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
817
818 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
819
820         PR tree-optimization/25248
821         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
822         evolution_of_loop from the failed attempt.  Remove handling
823         of MULT_EXPR.
824
825 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
826
827         * tree.h (DECL_EXTERNAL): Clarify documentation.
828
829 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
830             Jakub Jelinek  <jakub@redhat.com>
831
832         PR target/25268
833         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
834         argument.  Don't drop outer ANDs.
835         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
836         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
837         prototype.
838         * config/s390/predicates.md (setmem_operand): Remove.
839         (shift_count_operand): Rename to...
840         (shift_count_or_setmem_operand): ... this.  Adjust
841         s390_decompose_shift_count caller.
842         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
843         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
844         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
845         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
846         rotl<mode>3_and, setmem_long_and): New insns.
847         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
848         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
849         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
850         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
851         of shift_count_operand.
852         (setmem_long): Use shift_count_or_setmem_operand instead of
853         setmem_operand.
854
855 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
856             Andreas Tobler  <a.tobler@schweiz.ch>
857
858         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
859         tr expression.
860
861 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
862
863         * expr.c (force_operand): Use convert_to_mode for conversions.
864
865 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
866
867         * reload.h (reg_equiv_invariant): Declare.
868         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
869         register also when reg_equiv_invariant[R] is set.
870
871 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
872             Andreas Tobler  <a.tobler@schweiz.ch>
873
874         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
875
876 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
877
878         * tree-ssa-pre.c (bitmap_set_and): New function.
879         (bitmap_set_and_compl): New function.
880         (bitmap_set_empty_p): New function.
881         (insert_extra_phis): New function.
882         (compute_avail): Use insert_extra_phis.
883
884 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
885
886         * config/s390/s390.c (s390_expand_atomic): New function.
887         Adjust comment of helper functions.
888         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
889         * config/s390/s390.md ("ATOMIC"): New code macro.
890         ("atomic"): Corresponding new code attribute.
891         ("sync_lock_test_and_set[hq]i", 
892         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
893
894 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
895
896         * config/s390/s390.c (s390_expand_mask_and_shift, 
897         struct alignment_context, init_alignment_context, 
898         s390_expand_cs_hqi): New.
899         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
900         * config/s390/s390.md ("sync_compare_and_swaphi",
901         "sync_compare_and_swapqi"): New pattern.
902
903 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
904
905         Fix PR tree-optimization/25291
906         * tree-ssa-operands.c (add_call_clobber_ops): Remove
907         redundant and crashing check.
908
909 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
910
911         PR target/25212
912         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
913         tests further when !strict && reload_in_progress.
914         (print_operand): Check that both operands of indexed address are regs.
915         (print_operand_address): Likewise.
916         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
917         (INT_REG_OK_FOR_BASE_P): Correct.
918
919 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
920
921         Preparation for PR rtl-optimization/20070 / part1
922         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
923         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
924         outgoing_edges_match.
925         (outgoing_edges_match): Use condjump_equiv_p.
926         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
927         into..
928         * struct-equiv.c: New file.
929         (death_notes_match_p) New function, broken out of insns_match_p.
930         * Makefile.in (OBJS-common): Add struct-equiv.o.
931         (struct-equiv.o): New target.
932
933 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
934
935         * coretypes.h: Revert previous change.
936         * config/darwin.h: Revert previous reversion.
937         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
938
939 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
940
941         * coretypes.h (section): Provide dummy definition for target files.
942         * config/darwin.h: Revert previous change.
943
944 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
945
946         * doc/sourcebuild.texi (all.build, install-normal): Remove.
947         * configure.ac: Remove all.build and install-normal from target_list
948         * configure: Regenerate.
949         * Makefile.in (install): Don't depend on install-normal.
950
951 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
952
953         * Makefile.in: Document the use of stamps.
954
955 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
956
957         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
958         * Makefile.in: Add code to compute some dependencies on s-gtype
959         automatically.  Remove the declaration of those dependencies.
960
961 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
962
963         * gcc/reload.c (push_secondary_reload): Fix typo:
964         s/insn_constraint/scratch_constraint/.
965
966 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
967
968         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
969
970 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
971
972         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
973         (alpha_elf_select_rtx_section): Return the selected section rather
974         than emitting assembly code.
975         (alpha_write_linkage): Emit a ".link" directive directly and then
976         set in_section to NULL.
977         (vms_asm_out_constructor): Use switch_to_section.
978         (vms_asm_out_destructor): Likewise.
979         (unicosmk_output_common): Set in_section to NULL instead of calling
980         the dummy common_section function.
981         (unicosmk_text_section): Delete in favor of...
982         (unicosmk_output_text_section_asm_op): ...this new function.
983         (unicosmk_data_section): Delete in favor of...
984         (unicosmk_output_data_section_asm_op): ...this new function.
985         (unicosmk_init_sections): New function.
986         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
987         (unicosmk_output_ssib): Set in_section to NULL instead of calling
988         the dummy ssib_section function.
989         (unicosmk_section_buf): Delete.
990         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
991         (unicosmk_data_section): Delete.
992         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
993         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
994         (SECTION_FUNCTION_TEMPLATE): Delete.
995         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
996         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
997         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
998         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
999         (TARGET_ASM_INIT_SECTIONS): Define.
1000         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1001         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1002         (link_section, literals_section): Delete.
1003         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1004         set in_section to NULL.
1005
1006         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1007         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1008         (COMMON_SECTION): Delete.
1009         (TARGET_ASM_INIT_SECTIONS): Define.
1010         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1011         the dummy common_section function.
1012         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1013         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1014         between readonly_data_section and text_section to check whether
1015         read-only data is being put in the text section.
1016         (arm_output_function_epilogue): Use switch_to_section.
1017         (arm_elf_asm_constructor): Likewise.
1018         (thumb_call_via_reg): Replace call to in_text_section with
1019         a comparison between in_section and text_section.
1020         (arm_file_end): Use switch_to_section.
1021         (aof_text_section): Delete in favor of...
1022         (aof_output_text_section_asm_op): ...this new function.
1023         (aof_data_section): Delete in favor of...
1024         (aof_output_data_section_asm_op): ...this new function.
1025         (aof_asm_init_sections): New function.
1026         (zero_init_section): Moved from config/arm/aof.h.
1027         (aof_dump_imports, aof_file_start): Use switch_to_section.
1028         * config/arm/arm.h (thumb_call_via_label): Update comment.
1029         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1030         (common_section): Delete.
1031         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1032         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1033         global switch_to_section function instead of the old port-local one.
1034         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1035         (SWITCH_TO_SECTION_FUNCTION): Delete.
1036         (drectve_section): Redefine as a macro.
1037         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1038         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1039         switch_to_section.
1040
1041         * config/avr/avr.c (progmem_section): New variable.
1042         (avr_output_progmem_section_asm_op): New function.
1043         (avr_asm_init_sections): New function.
1044         (avr_output_addr_vec_elt): Use switch_to_section.
1045         * config/avr/avr.h (progmem_section): Declare.
1046         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1047         (READONLY_DATA_SECTION): Delete.
1048         (TARGET_ASM_INIT_SECTIONS): Define.
1049         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1050         * config/avr/avr-protos.h (progmem_section): Delete.
1051
1052         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1053
1054         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1055         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1056
1057         * config/darwin-sections.def: New file.
1058         * config/darwin.c: Define all sections in darwin-sections.def.
1059         (output_objc_section_asm_op, darwin_init_sections): New functions.
1060         (machopic_output_indirection): Use switch_to_section.
1061         (machopic_select_section): Return the selected section rather than
1062         emitting assembly code.  Replace the static function table with
1063         inline conditional expressions.  Update the tests of last_text_section
1064         and move them into the FUNCTION_DECL block.
1065         (machopic_select_rtx_section): Return the selected section rather than
1066         emitting assembly code.
1067         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1068         (darwin_file_end): Use switch_to_section.
1069         * config/darwin.h: Use darwin-sections.def to declare sections.
1070         (INIT_SECTION_ASM_OP): Remove empty definition.
1071         (HAS_INIT_SECTION): Define this instead.
1072         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1073         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1074         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1075         (TARGET_ASM_INIT_SECTIONS): Define.
1076         * config/darwin-protos.h (darwin_init_sections): Declare.
1077         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1078         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1079         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1080         (constructor_section, destructor_section, mod_init_section): Delete.
1081         (mod_term_section): Delete.
1082         (darwin_exception_section, darwin_eh_frame_section): Delete.
1083         (machopic_select_section): Return a section.
1084         (machopic_select_rtx_section): Likewise.
1085         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1086         (const_section, const_coal_section, const_data_section): Delete.
1087         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1088         (literal4_section, literal8_section, constructor_section): Delete.
1089         (mod_init_section, mod_term_section, destructor_section): Delete.
1090         (objc_class_section, objc_meta_class_section, objc_category_section)
1091         (objc_class_vars_section, objc_instance_vars_section): Delete.
1092         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1093         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1094         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1095         (objc_symbols_section, objc_module_info_section): Delete.
1096         (objc_image_info_section, objc_protocol_section): Delete.
1097         (objc_string_object_section, objc_constant_string_object_section)
1098         (objc_class_names_section, objc_meth_var_names_section): Delete.
1099         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1100         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1101         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1102         (darwin_exception_section, darwin_eh_frame_section): Delete.
1103         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1104
1105         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1106         (frv_asm_out_destructor): Likewise.
1107         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1108         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1109         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1110         get_named_section.
1111         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1112         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1113         (data_section): Delete.
1114
1115         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1116         (DRECTVE_SECTION_FUNCTION): Delete.
1117         (drectve_section): Redefine as a macro that sets in_section after
1118         emitting the directive.
1119         (SWITCH_TO_SECTION_FUNCTION): Delete.
1120         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1121         in_text_section with comparison between in_section and text_section.
1122         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1123         rather than emitting assembly code.  Use get_named_section.
1124         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1125         get_named_section.
1126         (machopic_output_stub): Use switch_to_section.
1127         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1128         (nwld_named_section_asm_out_destructor): Use get_section and
1129         switch_to_section.
1130
1131         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1132         rather than emitting assembly code.
1133         (ia64_rwreloc_select_section): Likewise.
1134         (ia64_rwreloc_select_rtx_section): Likewise.
1135         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1136         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1137         switch_to_section.
1138         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1139         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1140
1141         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1142         section rather than emitting assembly code.
1143         (iq2000_select_section): Likewise.
1144         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1145         (sbss_section): Delete.
1146
1147         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1148         and get_named_section.
1149         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1150
1151         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1152         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1153         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1154         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1155         in_section to NULL.
1156         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1157         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1158         global switch_to_section function instead of the old port-local one.
1159         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1160         (SWITCH_SECTION_FUNCTION): Delete.
1161         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1162         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1163         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1164         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1165         in_section to NULL.
1166         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1167         global switch_to_section function instead of the old port-local one.
1168         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1169
1170         * config/mips/mips.c (mips_file_start): Update comment.
1171         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1172         (mips_output_aligned_decl_common): Use switch_to_section.
1173         (mips_select_rtx_section): Return the section rather than emitting
1174         assembly code.  Use get_named_section.
1175         (mips_function_rodata_section: Likewise get_section.
1176         (build_mips16_function_stub): Use switch_to_section.
1177         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1178         (SDATA_SECTION_ASM_OP): Delete.
1179         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1180         (EXTRA_SECTION_FUNCTIONS): Delete.
1181
1182         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1183         (mmix_asm_output_aligned_local): Use switch_to_section.
1184
1185         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1186         (som_one_only_readonly_data_section): New variables.
1187         (pa_output_function_epilogue): Set in_section to NULL instead of
1188         calling forget_section.
1189         (output_deferred_plabels): Use select_section.
1190         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1191         of calling forget_section.
1192         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1193         (pa_asm_output_aligned_local): Use select_section.
1194         (som_text_section_asm_op): Delete in favor of...
1195         (som_output_text_section_asm_op): ...this new function.
1196         (pa_som_asm_init_sections): New function.
1197         (pa_select_section): Return the section rather than emitting
1198         assembly code.
1199         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1200         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1201         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1202         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1203         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1204         (som_readonly_data_section, som_one_only_readonly_data_section)
1205         (som_one_only_data_section, forget_section): Delete.
1206         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1207         (TARGET_ASM_INIT_SECTIONS): Define.
1208         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1209
1210         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1211         (private_data_section, read_only_private_data_section): New variables.
1212         (sdata2_section, toc_section): New variables.
1213         (rs6000_file_start): Use switch_to_section.
1214         (rs6000_assemble_integer): Use comparisons against in_section
1215         instead of calling in_toc_section and in_text_section.  Use
1216         unlikely_text_section_p.
1217         (rs6000_elf_output_toc_section_asm_op): New function, derived
1218         from the old rs6000/sysv4.h toc_section function.
1219         (rs6000_elf_asm_init_sections): New function.
1220         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1221         the section rather than emitting assembly code.
1222         (machopic_output_stub): Use switch_to_section.
1223         (toc_section): Delete dummy function.
1224         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1225         switch_to_section and get_section.
1226         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1227         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1228         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1229         the old rs6000/xcoff.h toc_section function.
1230         (rs6000_xcoff_asm_init_sections): New function.
1231         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1232         the section rather than emitting assembly code.
1233         (rs6000_xcoff_file_start): Use switch_to_section.
1234         (rs6000_xcoff_file_end): Likewise.
1235         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1236         (sdata2_section, sbss_section, private_data_section): Delete.
1237         (read_only_data_section, read_only_private_data_section): Delete.
1238         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1239         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1240         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1241         (FINI_SECTION_FUNCTION): Delete.
1242         (TARGET_ASM_INIT_SECTIONS): Define.
1243         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1244         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1245         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1246         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1247         (READONLY_DATA_SECTION): Delete.
1248         (TARGET_ASM_INIT_SECTIONS): Define.
1249         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1250         to NULL rather than no_section.
1251         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1252
1253         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1254
1255         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1256         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1257         from call to current_function_section.
1258
1259         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1260         (bss100_section): New variable.
1261         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1262         (xstormy16_asm_init_sections): New function.
1263         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1264         switch_to_section and get_section.
1265         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1266         from calls to current_function_section.
1267         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1268         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1269         (TARGET_ASM_INIT_SECTIONS): Define.
1270         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1271
1272         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1273         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1274         (FINI_SECTION_FUNCTION): Delete.
1275
1276         * config/v850/v850.c: Include gt-v850.h.
1277         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1278         (zbss_section): New variables.
1279         (v850_output_aligned_bss): Use switch_to_section.
1280         (v850_asm_init_sections): New function.
1281         (v850_select_section): Return the section rather than emitting
1282         assembly code.
1283         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1284         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1285         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1286         (TARGET_ASM_INIT_SECTIONS): Define.
1287         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1288         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1289         (zbss_section): Delete.
1290
1291         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1292
1293         * config/vx-common.h (vxworks_exception_section): Delete.
1294         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1295
1296         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1297         section rather than emitting assembly code.
1298         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1299         switch_to_section.
1300
1301         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1302         * coretypes.h (section): New union and typedef.
1303         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1304         from call to current_function_section.
1305         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1306         (dbxout_symbol_location): Use switch_to_section.
1307         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1308         most of the code into...
1309         (default_eh_frame_section): ...here.  Return a section.
1310         (collect2_eh_frame_section): Delete, moving most of the code into..
1311         (switch_to_eh_frame_section): ...this new function.
1312         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1313         (debug_macinfo_section, debug_line_section, debug_loc_section)
1314         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1315         variables.
1316         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1317         eh_frame_section.  Use switch_to_section and get_section.
1318         (dwarf2out_begin_prologue): Use switch_to_section.
1319         (AT_string_form): Check the flags in debug_str_section instead of
1320         DEBUG_STR_SECTION_FLAGS.
1321         (output_comp_unit): Use switch_to_section, get_section, and
1322         debug_info_section.
1323         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1324         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1325         from call to current_function_section.
1326         (dwarf2out_var_location): Use unlikely_text_section_p.
1327         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1328         from call to current_function_section.
1329         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1330         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1331         debug_macinfo_section.
1332         (dwarf2out_init): Initialize the new section variables.  Use them
1333         instead of calls to named_section_flags.  Use switch_to_section.
1334         (output_indirect_string): Use switch_to_section and debug_str_section.
1335         (dwarf2out_finish): Use switch_to_section and the new section
1336         variables.
1337         * except.c (default_exception_section): Return the section instead
1338         of emitting assembly code.
1339         (output_function_exception_table): Use the global exception_section
1340         variable instead of the target hook.  Use switch_to_section.  Remove
1341         argument from call to current_function_section.
1342         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1343         (shorten_branches): Use pointer comparisons to detect whether the
1344         text section is the same as readonly_data_section.
1345         (profile_function): Use switch_to_section.  Remove argument from
1346         call to current_function_section.
1347         (final_scan_insn): Likewise.  Update use of last_text_section.
1348         * gengtype.c (open_base_files): Add an include of output.h.
1349         * output.h (text_section, data_section, readonly_data_section)
1350         (ctors_section, dtors_section, bss_section, init_section)
1351         (fini_section, sdata_section): Turn into section pointers.
1352         (in_text_section, in_unlikely_text_section, exports_section)
1353         (drectve_section, named_section, mergeable_string_section)
1354         (last_text_section_name): Delete.
1355         (default_exception_section, default_eh_frame_section): Return sections.
1356         (SECTION_DECLARED, SECTION_NAMED): New macros.
1357         (SECTION_MACH_DEP): Bump value.
1358         (section_common, named_section, unnamed_section): New structures.
1359         (unnamed_section_callback): New typedef.
1360         (section): New union.
1361         (sbss_section, exception_section, eh_frame_section): New variables.
1362         (in_section, last_text_section): Turn into section pointers.
1363         (get_unnamed_section, get_section, get_named_section): New functions.
1364         (mergeable_constant_section, function_section): Return a section.
1365         (unlikely_text_section): Likewise.
1366         (current_function_section): Likewise.  Remove the decl argument.
1367         (unlikely_text_section_p, switch_to_section): New functions.
1368         (output_section_asm_op): New function.
1369         (set_named_section_flags, named_section_flags, named_section_real)
1370         (named_section_first_declaration): Delete.
1371         (default_select_section, default_elf_select_section): Return a section.
1372         (default_elf_select_section_1, default_function_rodata_section)
1373         (default_no_function_rodata_section, default_select_rtx_section)
1374         (default_elf_select_rtx_section): Likewise.
1375         * rtl.h (in_data_section): Delete.
1376         * sdbout.c (sdbout_one_type): Use switch_to_section.
1377         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1378         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1379         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1380         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1381         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1382         (TARGET_ASM_OUT): Update after above changes.
1383         * target.h (init_sections): New hook.
1384         (exception_section, eh_frame_section): Delete.
1385         (select_section, select_rtx_section, function_rodata_section): Return
1386         a section rather than emitting assembly code.
1387         * varasm.c (text_section, data_section, readonly_data_section)
1388         (ctors_section, dtors_section, bss_section, init_section)
1389         (fini_section): Turn into section pointers.
1390         (sdata_section, sbss_section, exception_section): New variables.
1391         (eh_frame_section): New variable.
1392         (in_section): Make global and turn into a section pointer.
1393         (last_text_section): Turn into a section pointer.
1394         (unnamed_sections): New variable.
1395         (in_named_name, last_text_section_name): Delete.
1396         (EXTRA_SECTION_FUNCTIONS): Delete.
1397         (in_named_entry): Delete.
1398         (section_htab): New variable, replacing...
1399         (in_named_htab): ...this deleted variable.
1400         (section_entry_eq, section_entry_hash): New functions, based on...
1401         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1402         (get_unnamed_section, get_section): New functions.
1403         (unlikely_text_section): Return a section instead of emitting
1404         assembly code.
1405         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1406         (get_named_section_flags, named_section_first_declaration): Delete.
1407         (unlikely_text_section_p): New function.
1408         (named_section_real, named_section): Delete.
1409         (get_named_section): New function.
1410         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1411         (function_section): Return a section rather than emitting
1412         assembly code.
1413         (current_function_section): Likewise.  Remove argument.  Use
1414         last_text_section if nonnull, otherwise use function_section.
1415         (default_function_rodata_section): Return a section rather than
1416         emitting assembly code.  Use get_section.
1417         (default_no_function_rodata_section): Return a section rather than
1418         emitting assembly code.
1419         (variable_section): Use switch_to_section and get_named_section.
1420         (mergeable_string_section): Return a section rather than emitting
1421         assembly code.  Use get_section.  Make static.  Don't take special
1422         countermeasures for empty strings.
1423         (mergeable_constant_section): Return a section rather than emitting
1424         assembly code.  Use get_section.
1425         (default_named_section_asm_out_destructor): Use switch_to_section
1426         and get_section.
1427         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1428         (default_named_section_asm_out_constructor): Use switch_to_section
1429         and get_section.
1430         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1431         (assemble_start_function): Likewise.  Set last_text_section to
1432         NULL rather than no_section.  Change the type of save_section.
1433         (assemble_zeros, assemble_variable): Use the section flags to detect
1434         whether or not a section is text.
1435         (assemble_static_space): Use switch_to_section.
1436         (assemble_trampoline_template): Likewise.
1437         (output_constant_def_contents): Use switch_to_section and
1438         get_named_section.
1439         (output_constant_pool_1): Use switch_to_section.  Use the section
1440         flags to see whether sections contain mergeable data.
1441         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1442         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1443         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1444         whether a section has already been declared.
1445         (default_select_section, default_elf_select_section): Return a
1446         section rather than emitting assembly code.
1447         (default_elf_select_section_1): Likewise.  Use bss_section for
1448         SECCAT_BSS if nonnull.  Use get_named_section.
1449         (default_select_rtx_section): Return a section rather than
1450         emitting assembly code.
1451         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1452         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1453         (output_section_asm_op, switch_to_section): New functions.
1454         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1455         get_named_section.
1456
1457         * doc/tm.texi: Expand the introduction to the sections documentation.
1458         (TRAMPOLINE_SECTION): Document new interface.
1459         (SDATA_SECTION_ASM_OP): Document new macro.
1460         (READONLY_DATA_SECTION): Delete.
1461         (SDATA_SECTION_ASM_OP): Document new macro.
1462         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1463         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1464         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1465         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1466         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1467
1468 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1469
1470         * gcc.c (init_gcc_specs): Match braces inside conditionally
1471         compiled strings.
1472
1473 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1474
1475         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1476
1477 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1478
1479         PR C++/24138
1480         * tree.c (integer_all_onesp): Always return true if all bits on.
1481
1482         * testsuite/g++.dg/init/array0.C: New.
1483
1484 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1485
1486         * doc/md.texi: Adapt to implementation.
1487
1488 2005-12-06  Andreas Schwab  <schwab@suse.de>
1489
1490         * opts.c (decode_options): Fix typo in message.
1491
1492 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1493
1494         PR other/13873
1495         * longlong.h: Merge PPC tests from upstream.
1496
1497 2005-12-06  Richard Guenther  <rguenther@suse.de>
1498
1499         * fold-const.c (fold_convert): Do not build and fold
1500         CONVERT_EXPR, but always use NOP_EXPR.
1501
1502 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1503
1504         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1505         __builtin_ia32_paddq and __builtin_ia32_subq.
1506         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1507         __builtin_ia32_pshufw.
1508         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1509
1510 2005-12-05  James E Wilson  <wilson@specifix.com>
1511
1512         PR target/24934
1513         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1514         is set.
1515
1516 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1517         
1518         * print-tree.c (print_node): Ditto.
1519         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1520         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1521         before accessing DECL_ARTIFICIAL. 
1522         Handle new tag tree codes.
1523         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1524         changes.
1525         (unmodifiable_var_p): Ditto.
1526         * tree-flow.h (mem_tag_kind): Remove.
1527         (struct var_ann_d): Remove mem_tag_kind member.
1528         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1529         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1530         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1531         (group_aliases): Ditto.
1532         (setup_pointers_and_addressables): Ditto.
1533         (is_escape_site): Ditto.                                          
1534         (may_alias_p): Ditto.
1535         (create_tag_raw): New function.
1536         (create_memory_tag): Use it.
1537         (dump_alias_info): Update for tags.
1538         (may_be_aliased): Ditto.
1539         (add_type_alias): Ditto.
1540         (new_type_alias): Ditto.
1541         (create_sft): Ditto.
1542         (create_structure_vars): Ditto.
1543         * tree-ssa-ccp.c (get_default_value): Ditto.
1544         * tree-ssa-operands.c (get_expr_operands): Ditto.
1545         (add_stmt_operand): Ditto.
1546         (add_call_clobber_ops): Remove duplicated condition.
1547         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1548         tags.
1549         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1550         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1551         * tree.c (init_ttree): Update structures for new tree codes.
1552         (tree_code_size): Update sizes for new tree codes.
1553         (make_node_stat): Don't try to set common things on minimal
1554         structures.
1555         (tree_node_structure): Update for tags.
1556         (is_global_var): Ditto.
1557         * tree.def: Add new tree codes.
1558         * tree.h (MTAG_P): New macro.
1559         (TREE_MEMORY_TAG_CHECK): Ditto.
1560         (SSA_VAR_P): Update for tags.
1561         (struct tree_memory_tag): New structure.
1562         (MTAG_GLOBAL): New macro.
1563         (union tree_node): Add memory tag member.
1564         * treestruct.def (TS_MEMORY_TAG): New.
1565         
1566 2005-12-05  Dale Johannesen  <dalej@apple.com>
1567
1568         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1569         what was approved (PR 24323).
1570
1571 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1572
1573         * doc/c-tree.texi (Function Bodies): Remove description of
1574         RETURN_INIT.
1575
1576 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1577
1578         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1579         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1580         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1581         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1582         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1583         __divxc3): Document.
1584
1585 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1586
1587         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1588         previous behaviour.
1589         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1590         hook_bool_void_false.
1591         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1592         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1593
1594         * config/darwin.c (machopic_select_section): It's not defined
1595         as weak if it's only marked as weak_import.
1596         
1597         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1598         Prototype.
1599
1600         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1601         A hidden weak object does bind locally.  Strong linkonce data
1602         counts like any other strong symbol for binding.
1603         (weak_finish_1): Don't specially handle weakrefs, they no longer
1604         arrive here.
1605         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1606         * c-common.c (handle_alias_attribute): Allow static aliases
1607         of variables.
1608         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1609         * gthr-dce.h: Make weakrefs static.
1610         * gthr-tpf.h: Likewise.
1611         * gthr-solaris.h: Likewise.
1612         * gthr-posix.h: Likewise.
1613         * gthr-posix95.h: Likewise.
1614         * config/darwin.c (darwin_encode_section_info): static weakref
1615         variables are not necessarily defined in this translation unit.
1616         * doc/extend.texi (Function Attributes): Mention that an alias
1617         attribute creates a definition for the thing it's attached to.
1618         Change the documentation for weakref to say that the thing
1619         it's attached to must be static.
1620
1621         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1622         we don't go into an infinite loop.
1623
1624 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1625
1626         * config/rs6000/predicates.md (logical_const_operand): Split
1627         out of logical_operand.
1628         (logical_operand): Use it.
1629         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1630         logical_const_operand.
1631
1632 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1633
1634         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1635         and IX86_BUILTIN_CMPNESS.
1636         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1637         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1638         * config/i386/i386.md (movti_internal): Correct type attribute.
1639         Simplify mode attribute.
1640         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1641         Correct type attribute.
1642         (absxf2): Correct operator.
1643         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1644         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1645         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1646         mode attribute.
1647         (sse2_vmsqrtv2df2): Correct mode attribute.
1648
1649 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1650
1651         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1652         16 bits. Provide insn pattern for this case.
1653
1654 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1655
1656         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1657         result.
1658         (__popcountDI2): Likewise.
1659
1660 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1661
1662         PR target/25166
1663         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1664         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1665         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1666         functions.
1667
1668 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1669
1670         * c-typeck.c (null_pointer_constant_p): New function.
1671         (build_conditional_expr, build_c_cast, convert_for_assignment,
1672         build_binary_op): Use it.
1673
1674 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1675
1676         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1677         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1678         CONVERT_EXPR.
1679         (check_function_arguments_recurse): Allow both NOP_EXPR and
1680         CONVERT_EXPR but check conversions preserve precision.
1681         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1682         but check conversions preserve precision.
1683         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1684         default case.
1685
1686 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1687
1688         PR c/7776
1689         * common.opt (Wstring-literal-comparison): New command line option.
1690         * c-opts.c (c_common_handle_option): Set it with -Wall.
1691         * c-typeck.c (parser_build_binary_op): Issue warning if either
1692         operand of a comparison operator is a string literal, except for
1693         testing equality or inequality against NULL.
1694
1695         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1696
1697 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1698
1699         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1700         of building a NOP_EXPR.
1701         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1702         NOP_EXPR.
1703         * c-convert.c (convert): Use fold_convert instead of building
1704         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1705         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1706         #if 0 code.
1707         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1708         NOP_EXPR the same as CONVERT_EXPR.
1709         * c-typeck.c (build_function_call): Use fold_convert instead of
1710         building a NOP_EXPR directly.
1711         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1712
1713 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1714
1715         PR rtl-optimization/25197
1716         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1717         have a reg.
1718
1719 2005-12-02  Stuart Hastings  <stuart@apple.com>
1720
1721         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1722         warning.
1723
1724 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1725
1726         * c-typeck.c (default_function_array_conversion,
1727         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1728         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1729         orig_op2.  Don't check them for NOP_EXPR.
1730         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1731         around integer zero.
1732
1733 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1734
1735         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1736         toc_save_offset, toc_size, lr_size.
1737         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1738         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1739         Adjust for removal of unused rs6000_stack_t fields.
1740         (debug_stack_info): Adjust.
1741         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1742         first, and don't bother checking for set/inc of lr on sibcalls.
1743         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1744
1745 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1746
1747         PR target/25199
1748         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1749         5 if operand 1 is not aligned.  Undo previous constraint change.
1750         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1751
1752 2005-12-02  Richard Guenther  <rguenther@suse.de>
1753
1754         * tree.h (build): Remove prototype.
1755         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1756         * tree.c (build): Remove.
1757         (build0_stat): Update comment.
1758
1759 2005-12-02  Richard Guenther  <rguenther@suse.de>
1760
1761         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1762         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1763         Likewise.
1764         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1765         maybe_fold_offset_to_component_ref): Likewise.
1766         * tree-ssa-dom.c (thread_across_edge,
1767         simplify_rhs_and_lookup_avail_expr,
1768         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1769         Likewise.
1770         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1771         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1772         lower_try_finally_switch): Likewise.
1773         * tree-if-conv.c (add_to_dst_predicate_list,
1774         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1775         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1776         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1777         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1778         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1779         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1780         gimplify_init_ctor_eval, gimplify_init_constructor,
1781         gimplify_variable_sized_compare, gimplify_boolean_expr,
1782         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1783         gimplify_expr, gimplify_body, gimplify_function_tree,
1784         force_gimple_operand): Likewise.
1785         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1786         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1787         mx_register_decls): Likewise.
1788         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1789         get_frame_field, finalize_nesting_tree_1): Likewise.
1790         * tree-inline.c (setup_one_parameter): Likewise.
1791         * tree-vect-transform.c (vectorizable_condition): Likewise.
1792         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1793         Likewise.
1794         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1795         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1796         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1797         * tree-chrec.h (build_polynomial_chrec): Likewise.
1798
1799 2005-12-02  Richard Guenther  <rguenther@suse.de>
1800
1801         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1802         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1803         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1804         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1805         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1806         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1807         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1808         Likewise.
1809         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1810         sh_adjust_unroll_max): Likewise.
1811         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1812         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1813         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1814         Likewise.
1815         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1816         Likewise.
1817         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1818         Likewise.
1819
1820 2005-12-02  Richard Guenther  <rguenther@suse.de>
1821
1822         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1823         simplify_cond_using_ranges): Use buildN instead of build.
1824         * tree-tailcall.c (adjust_accumulator_values,
1825         adjust_return_value): Likewise.
1826         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1827         generate_element_copy, generate_element_zero,
1828         generate_one_element_init): Likewise.
1829         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1830         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1831         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1832         perfect_nestify): Likewise.
1833
1834 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1835
1836         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1837
1838 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1839
1840         * ggc.h (GGC_RESIZEVEC): New.
1841
1842 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1843
1844         * gcc.c (execute): Improve readability.
1845
1846 2005-12-02  Richard Guenther  <rguenther@suse.de>
1847
1848         * tree-cfg.c (mark_used_vars): New function.
1849         (dump_function_to_file): Dump only used VAR_DECLs.
1850
1851 2005-12-02  Richard Guenther  <rguenther@suse.de>
1852
1853         * convert.c (convert_to_integer): Fix compare for nonpositive
1854         constant to use tree_int_cst_sgn <= 0.
1855
1856 2005-12-02  Richard Guenther  <rguenther@suse.de>
1857
1858         * convert.c (convert_to_integer): Use fold_convert instead
1859         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1860         instead of comparing against 0.  Use build_int_cst instead
1861         of converting integer_zero_node.
1862
1863 2005-12-02  Richard Guenther  <rguenther@suse.de>
1864
1865         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1866         and RROTATE_EXPR.
1867  
1868 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1869
1870         PR target/21017
1871         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1872         rotates.
1873
1874 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1875
1876         PR middle-end/25176
1877         * function.c (expand_function_end): Emit blockage for unwinder
1878         after return label.
1879
1880 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1881
1882         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1883         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1884         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1885         integer constant comparisons.
1886
1887 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1888             Janis Johnson  <janis187@us.ibm.com>
1889             David Edelsohn  <dje@watson.ibm.com>
1890             Ben Elliston  <bje@au.ibm.com>
1891
1892         * dfp.h, dfp.c: New files.
1893         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1894         (DECNUM_H): Likewise.
1895         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1896         (INCLUDES): Append $(DECNUMINC).
1897         (OBJS-common): Add dfp.o.
1898         (dfp.o): New rule.
1899         * real.h (EXP_BITS): Pinch one bit to ..
1900         (struct real_value): Add decimal field.
1901         (real_format): Change table size, update documentation.
1902         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1903         (real_from_string3): Declare.
1904         (decimal_single_format): Declare.
1905         (decimal_double_format): Declare.
1906         (decimal_quad_format): Declare.
1907         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1908         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1909         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1910         * real.c: Include dfp.h.
1911         (normalize): Early return for decimal floats.
1912         (do_add): Zero decimal field.
1913         (do_compare): Call do_decimal_compare for decimal floats.
1914         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1915         (real_arithmetic): Call decimal_real_arithmetic for decimal
1916         floating point operands.
1917         (real_identical): If a and b are of differing radix, return false.
1918         (real_to_integer): Call decimal_real_to_integer if the value is a
1919         decimal float.
1920         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1921         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1922         (real_to_hexadecimal): Place "N/A" in the return string for
1923         decimal float.
1924         (real_from_string3): New variant, given a mode.
1925         (real_maxval): Use decimal_real_maxval for decimal floats.
1926         (round_for_format): Use decimal_round_for_format for decimals.
1927         (real_convert): Use decimal_real_convert where appropriate.
1928         (significand_size): Handle base 10.
1929         (encode_decimal_single, decode_decimal_single,
1930         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1931         decode_decimal_quad): New functions.
1932         (decimal_single_format): New.
1933         (decimal_double_format): New.
1934         (decimal_quad_format): New.
1935         * machmode.def: Add SD, DD and TD decimal floating point modes.
1936         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1937         Include MODE_DECIMAL_FLOAT.
1938         (DECIMAL_FLOAT_MODE_P): New.
1939         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1940         * genmodes.c (struct mode_data): Add counter field.
1941         (struct mode_data): Update comment for format.
1942         (blank_mode): Initialise counter field.
1943         (new_mode): Increment counter field for each mode defined.
1944         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1945         using a format.
1946         (make_complex_modes): Handle modes containing `D'.
1947         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1948         (make_decimal_float_mode): New.
1949         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1950         (cmp_modes): Compare counter field if other characteristics
1951         similar.
1952         (emit_real_format_for_mode): Support formats for decimal floats.
1953         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1954         Document MODE_DECIMAL_FLOAT.
1955
1956 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1957
1958         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1959         Delete dead code.
1960
1961 2005-12-01  Richard Henderson  <rth@redhat.com>
1962
1963         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1964
1965 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1966
1967         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1968
1969         * config/pa/pa.c (pa_init_builtins): If we detect
1970         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1971         putc_unlocked.
1972
1973 2005-12-01  Richard Guenther  <rguenther@suse.de>
1974
1975         * fold-const.c (fold_binary): Use fold_build2, not
1976         fold (build (...)).
1977
1978 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1979
1980         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1981
1982         * vec.h (VEC_block_remove): New.
1983
1984 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1985
1986         PR c/13384
1987         * c-common.c (lvalue_error): Fix wording.
1988
1989 2005-12-01  Richard Guenther  <rguenther@suse.de>
1990
1991         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1992         thinko in last patch.
1993
1994 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1995
1996         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1997         than -flat_namespace.
1998
1999 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2000
2001         * mklibgcc.in: Parameterise the script to build soft float
2002         functions by iterating over each type, rather than cloning the
2003         code for each type.
2004
2005 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2006
2007         PR middle-end/25158
2008         * builtins.c (fold_builtin_fputs): Defer check for missing
2009         replacement functions.
2010
2011 2005-11-30  Kean Johnston  <jkj@sco.com>
2012
2013         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2014         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2015
2016 2005-11-30  Richard Guenther  <rguenther@suse.de>
2017
2018         PR tree-optimization/22501
2019         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2020         function split out from ...
2021         (forward_propagate_addr_expr): ... here.  Use it to propagate
2022         ADDR_EXPRs to all uses.
2023
2024 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2025
2026         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2027         * builtins.c (expand_builtin_mathfn): Use them.
2028         (expand_builtin_mathfn_2): Likewise.
2029         (expand_builtin_mathfn_3): Likewise.
2030         (expand_builtin_int_roundingfn): Likewise.
2031         (expand_builtin): Likewise.
2032         (integer_valued_real_p): Likewise.
2033         (fold_builtin_int_roundingfn): Likewise.
2034         (fold_builtin_bitop): Likewise.
2035         (fold_builtin_logarithm): Likewise.
2036         (fold_builtin_1): Likewise.
2037         * convert.c (convert_to_integer): Likewise.
2038         * fold-const.c (negate_mathfn_p): Likewise.
2039         (tree_expr_nonnegative_p): Likewise.
2040
2041 2005-11-30  Dale Johannesen  <dalej@apple.com>
2042             Andrew Pinski  <pinskia@physics.uc.edu>
2043
2044         * combine.c (find_split_point):  Sign extend bitmask
2045         when changing bitfield assignment to IOR of AND.
2046
2047 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2048
2049         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2050         clobber to scratch reg.
2051         (*decrement_and_branch_until_zero_no_clobber): Remove.
2052         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2053         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2054         * config/ms1/ms1.opt (mmul): Remove.
2055         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2056         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2057
2058 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2059             Bernd Schmidt  <bernd.schmidt@analog.com>
2060
2061         * pa/predicates.md (symbolic_operand): Add comment.
2062         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2063         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2064         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2065         (pa_secondary_reload_class): Delete.
2066         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2067         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2068         copy of symbolic operand.
2069         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2070
2071 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2072
2073         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2074         jump.
2075
2076 2005-11-30  Jeff Law  <law@redhat.com>
2077
2078         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2079         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2080
2081 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2082
2083         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2084         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2085         (ia64_expand_move): Adjust caller.
2086
2087         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2088         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2089         negate VAL.
2090
2091 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2092
2093         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2094         Always produce an output if we can remove NEGs or canonicalize
2095         (minus (minus ...)) expressions.  Provide a fast path for the
2096         two-operand case.
2097         (simplify_gen_binary): Do not call simplify_plus_minus.
2098         (simplify_binary_operation_1): Reassociate at the end of the
2099         function.
2100
2101 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2102
2103         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2104         moves and unpack to speed up.
2105
2106 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2107
2108         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2109         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2110         (gen_v9_scc): Update callers.
2111         * config/sparc/sparc.md: Likewise.
2112         * config/sparc/sparc-protos.h: Update extern declaration.
2113
2114         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2115
2116 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2117
2118         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2119         the if.
2120
2121 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2122
2123         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2124         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2125         (negate_expr): Here.
2126
2127 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2128
2129         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2130         Fix typo in comment.
2131
2132 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2133
2134         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2135         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2136
2137 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2138
2139         PR middle-end/20109
2140         PR middle-end/25120
2141         * builtins.c (init_target_chars): New.
2142         (expand_builtin_printf, expand_builtin_fprintf,
2143         expand_builtin_sprintf, fold_builtin_sprintf,
2144         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2145         fold_builtin_snprintf_chk, fold_builtin_printf,
2146         fold_builtin_fprintf): Check for matching format strings using
2147         the target charset.
2148
2149 2005-11-29  Paul Brook  <paul@codesourcery.com>
2150
2151         * config.gcc: Do not use fixproto on m68k-elf.
2152
2153 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2154
2155         * expmed.c (div_cost): Replace with...
2156         (sdiv_cost, udiv_cost): New.
2157         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2158         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2159         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2160         (expand_divmod): Replace use of div_cost with either sdiv_cost
2161         or udiv_cost depending upon the signedness of the operation.
2162
2163 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2164
2165         PR libfortran/24991
2166         * config/darwin.c (machopic_indirection_name,
2167         machopic_output_indirection): Follow transparent alias chain.
2168
2169 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2170
2171         * varasm.c (ultimate_transparent_alias_target): Add comment.
2172
2173 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2174
2175         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2176         SET_SRC instead of XEXP where appropriate.
2177
2178 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2179
2180         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2181         __builtin_expect.
2182
2183 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2184
2185         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2186         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2187         bit at a time.
2188
2189 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2190
2191         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2192         secondary_input_reload_class, made static.  Adapt to new
2193         infrastructure.
2194         (secondary_output_reload_class): Delete.
2195         (TARGET_SECONDARY_RELOAD): New macro.
2196         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2197         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2198
2199 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2200
2201         PR c++/21166
2202         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2203         when its natural alignment is > BITS_PER_UNIT.
2204         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2205         * c-common.c (handle_packed_attribute): Ignore packing on a field
2206         whose type is naturally char aligned.
2207
2208 2005-11-28  Richard Guenther  <rguenther@suse.de>
2209
2210         * c-common.c (strict_aliasing_warning): Handle all
2211         component-ref like accesses.
2212
2213 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2214             Uros Bizjak  <uros@kss-loka.si>
2215
2216         PR middle-end/20219
2217         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2218         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2219         when flag_unsafe_math_optimizations is set and
2220         we don't care about NaNs or Infinities.
2221
2222         Move x/expN(y) and x/pow(y,z) transformation into common
2223         flag_unsafe_math_optimizations section.
2224
2225 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2226
2227         * gcc.c (main): Change type of argv to "char **".
2228
2229 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2230
2231         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2232         small data sections.
2233         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2234         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2235         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2236         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2237         output locals to sbss if !rs6000_elf_in_small_data_p.
2238         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2239
2240 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2241
2242         PR target/24997
2243         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2244         generated by reload.
2245         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2246         indexed_or_indirect_address.
2247         (indexed_or_indirect_address): Don't test for base reg.  Call
2248         address_operand last.  Make it a special predicate.
2249
2250 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2251
2252         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2253
2254 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2255
2256         PR middle-end/24575
2257         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2258         is undefined.
2259         (negate_expr): Likewise.
2260
2261 2005-11-27  Andreas Schwab  <schwab@suse.de>
2262
2263         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2264         redundant parens.
2265
2266 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2267
2268         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2269         has EH predecessor edges.
2270
2271 2005-11-26  Eric Christopher  <echristo@apple.com>
2272
2273         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2274         register stalls by zero extending to the full register.
2275
2276 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2277
2278         * config/floatunsisf.c, config/floatunsidf.c,
2279         config/floatunsixf.c, config/floatunsitf.c: New files.
2280         * config/ia64/t-hpux: Add floatunsitf.c.
2281         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2282         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2283
2284 2005-11-26  Richard Henderson  <rth@redhat.com>
2285
2286         * c-lex.c (pragma_lex): Rename from c_lex.
2287         * c-pch.c: Update for pragma_lex rename.
2288         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2289         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2290         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2291         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2292         * doc/tm.texi: Likewise.
2293
2294 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2295
2296         PR middle-end/23669
2297         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2298         when overflow is undefined.
2299
2300 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2301
2302         * doc/md.texi (Insn Canonicalizations): Refer to the
2303         function commutative_operand_precedence for further rules.
2304
2305 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2306
2307         PR middle-end/21309
2308         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2309         is less than zero.  Limit mult_cost to a reasonable upper bound for
2310         the synthetic multiplication sequence.
2311
2312 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2313
2314         PR middle-end/25022
2315         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2316         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2317         Lookup the explicit replacement functions for any unlocked
2318         stdio builtin transformations.
2319
2320 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2321
2322         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2323         earlyclobber.
2324         * targhooks.c (default_secondary_reload): Don't require operand 2
2325         for an input reload to be earlyclobber.
2326
2327 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2328
2329         * fold-const.c (negate_mathfn_p): Fix comment and add support
2330         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2331         BUILT_IN_ATANH.
2332
2333 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2334
2335         PR middle-end/24998
2336         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2337         _Q_ulltoq for unsigned conversions from SImode and DImode to
2338         TFmode.
2339
2340 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2341
2342         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2343         (__floatundidf, __floatundisf): Likewise.
2344
2345 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2346
2347         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2348         (rs6000_override_options): Remove initialization of
2349         rs6000_sr_alias_set.
2350         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2351         (rs6000_emit_stack_tie): Same.
2352         (emit_frame_save): Same.
2353         (gen_frame_mem_offset): Same.
2354         (rs6000_emit_prologue): Same.
2355         (rs6000_emit_epilogue): Same.
2356
2357 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2358
2359         PR middle-end/24989
2360         * fold-const.c (fold_build): Convert bool_var != 1 and
2361         bool_var == 0 to !bool_var.
2362
2363 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2364
2365         PR middle-end/24990
2366         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2367         for C being INTEGER_CST.  Likewise for !=.
2368
2369 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2370
2371         PR middle-end/24998
2372         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2373         unsigned conversions from SImode to TFmode.
2374
2375 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2376
2377         * expr.c (expand_expr_real_1): Fix error in last change.
2378
2379 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2380
2381         * caller-save.c: (this_insn_sets): Move into:
2382         (save_call_clobbered_regs).
2383         (mark_set_regs): Get this_insn_sets from data.
2384
2385         (save_call_clobbered_regs): Take sets of the return value by
2386         sibcalls into account.
2387
2388 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2389         PR target/21623:
2390
2391         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2392         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2393         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2394         (memory_move_secondary_cost, init_reg_autoinc): Remove
2395         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2396         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2397         secondary_reload_class call.
2398         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2399         callers.
2400         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2401         (push_secondary_reload): Use secondary_reload target hook.
2402         (secondary_reload_class, scratch_reload_class): New functions.
2403         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2404         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2405         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2406         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2407         (secondary_reload_class, scratch_reload_class): Declare.
2408         * reload1.c: Include target.h.
2409         (reload_adjust_reg_for_temp): New function.
2410         (reload_adjust_reg_for_icode): Likewise.
2411         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2412         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2413         call.
2414         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2415         for inheritance.  Support case when both secondary & tertiary reloads
2416         are for intermediate registers.
2417         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2418         with secondary_reload_class call.  Support case when both secondary
2419         & tertiary reloads are for intermediate registers.
2420         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2421         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2422         * target.h (secondary_reload_info): New struct / typedef.
2423         (struct gcc_target): New member secondary_reload.
2424         * targhooks.c Include reload.h, optabs.h and recog.h.
2425         (default_secondary_reload): New function.
2426         * targhooks.h (default_secondary_reload): Declare.
2427         * doc/tm.texi: Document secondary_reload target hook.  Update
2428         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2429         * doc/md.texi: Likewise.
2430
2431         * sh-protos.h (sh_secondary_reload): Declare.
2432         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2433         (sh_secondary_reload): New function.
2434         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2435         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2436         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2437         (HAVE_SECONDARY_RELOADS): Define.
2438         * sh.md (reload_indf): Rename to:
2439         (reload_indf__frn).
2440         (reload_outdf): Rename to:
2441         (reload_outdf__RnFRm).
2442         (reload_insf): Rename to:
2443         (reload_insf__frn).
2444         (reload_insi): Rename to:
2445         (reload_insi__i_fpul).
2446
2447 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2448
2449         * configure.ac: Require at least texinfo 4.4.
2450         * configure: Regenerate.
2451
2452         * doc/install.texi (Tools/packages necessary for building GCC):
2453         Update required version of texinfo to at least 4.4.
2454         (Installing GCC: Building): Update required version of texinfo
2455         to at least 4.4.
2456         (Installing GCC: Final installation): Update required version
2457         of texi2dvi to at least 4.4.
2458         (Host/target specific installation notes for GCC): Update required
2459         version of texinfo to at least 4.4.
2460
2461 2005-11-24  Richard Guenther  <rguenther@suse.de>
2462         Dirk Mueller <dmueller@suse.de>
2463
2464         PR c++/14024
2465         * c-common.h (strict_aliasing_warning): Declare.
2466         * c-common.c (strict_aliasing_warning): New function,
2467         split out from ...
2468         * c-typeck.c (build_c_cast): ... here.
2469
2470 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2471
2472         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2473         to order operands.
2474         (swap_commutative_operands_with_target): New.
2475
2476 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2477
2478         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2479         also when doing PRE, rather than only for global CPROP.
2480
2481 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2482
2483         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2484         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2485         formatting.
2486         (expand_twoval_unop): Likewise.
2487         (widen_clz): Likewise.
2488         (expand_parity): Likewise.
2489         (expand_unop): Likewise.
2490         (emit_cmp_and_jmp_insn_1): Likewise.
2491         (prepare_float_lib_cmp): Likewise.
2492
2493 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2494
2495         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2496         Remove unused `class' variable.
2497
2498 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2499
2500         PR c++/21667
2501         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2502         C/C++ diagnostic function warn_array_subscript_with_type_char.
2503         * c-common.h (warn_array_subscript_with_type_char): Declare.
2504         * c-common.c (warn_array_subscript_with_type_char): Define.
2505
2506 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2507
2508         PR c/21668
2509         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2510         compiling at the intersection of C and C++.
2511
2512 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2513
2514         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2515         List @file in the option summary.  Include the libiberty
2516         documentation for @file.
2517         * gcc.c (main): Call expandargv.
2518         * Makefile.in (gcc-vers.texi): Define srcdir.
2519
2520 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2521
2522         * passes.c (init_optimization_passes): Document
2523         sequencing of passes.
2524
2525 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2526
2527         * config/m68k/predicates.md (pcrel_address, extend_operator,
2528         post_inc_operand, pre_dec_operand): Remove redundant
2529         conditionals.
2530         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2531         instead of abort.
2532         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2533
2534 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2535
2536         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2537
2538 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2539
2540         Preparatory work for PR target/21623:
2541         * alpha.c (secondary_reload_class): Rename to:
2542         (alpha_secondary_reload_class).
2543         * alpha.h, alpha-protos.h: Likewise.
2544         * mn10300.c (secondary_reload_class): Rename to:
2545         (mn10300_secondary_reload_class).
2546         * mn10300.h, mn10300-protos.h: Likewise.
2547         * pa.c (secondary_reload_class): Rename to:
2548         (pa_secondary_reload_class).
2549         * pa.h, pa-protos.h: Likewise.
2550         * rs6000.c (secondary_reload_class): Rename to:
2551         rs6000_secondary_reload_class.
2552         * rs6000.h, rs6000-protos.h: Likewise.
2553
2554 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2555
2556         PR middle-end/22561
2557         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2558
2559 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2560
2561         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2562         a mode_class.
2563         (prepare_cmp_insn): Likewise.
2564
2565 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2566
2567         PR target/23435
2568         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2569         if both operands[0] and operands[1] are memory.
2570
2571 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2572
2573         PR middle-end/23606
2574         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2575         COMPARISON_CLASS_P and an integral types create create a new
2576         expression with the new type and fold that.
2577
2578 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2579
2580         PR target/24988
2581         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2582         to SUBTARGET_OS_CPP_BUILTINS.
2583
2584 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2585
2586         * arm.c (emit_set_insn): New function.
2587         (arm_split_constant): Call it.
2588         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2589         (arm_legitimize_address): Likewise.  Use plus_constant.
2590         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2591         (thumb_expand_prologue): Likewise.
2592         (arm_gen_load_multiple): Use VOIDmode in SET.
2593         (arm_gen_store_multiple): Likewise.
2594         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2595         (emit_multi_reg_push): Likewise.
2596         (emit_sfm): Use plus_constant.
2597
2598 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2599
2600         PR target/24954
2601         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2602         typo last change.
2603
2604 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2605
2606         PR middle-end/24950
2607         * expmed.c (store_bit_field): Don't attempt to insv a field
2608         larger than the reg.
2609
2610 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2611
2612         PR target/24954
2613         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2614         explicit sign extension, not a (char) cast.
2615
2616 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2617
2618         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2619         GET_MODE_CLASS (x) == MODE_FLOAT.
2620         * config/i386/i386.c: Likewise.
2621         * config/rs6000/xcoff.h: Likewise.
2622         * config/rs6000/linux64.h: Likewise.
2623         * config/rs6000/rs6000.c: Likewise.
2624         * config/rs6000/rs6000.h: Likewise.
2625         * config/rs6000/predicates.md: Likewise.
2626         * config/rs6000/sysv4.h: Likewise.
2627
2628 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2629
2630         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2631         flag_pic is set.
2632
2633         * config/alpha/freebsd.h, config/alpha/linux.h,
2634         config/arm/linux-elf.h, config/bfin/bfin.h,
2635         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2636         config/i386/beos-elf.h, config/i386/gnu.h,
2637         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2638         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2639         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2640         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2641         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2642         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2643         config/sparc/linux.h, config/sparc/linux64.h,
2644         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2645
2646         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2647         are both defined when either flag -fpic or -fPIC are used.
2648
2649 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2650
2651         * config/fp-bit.c (clzusi): New function.
2652         (si_to_float, usi_to_float): Use it to compute proper shift.
2653         (usi_to_float): Preserve guard bits when shifting right.
2654         * libgcc-std.ver (GCC_4.2.0): New version.
2655         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2656         __floatundisf): New functions.
2657         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2658         __floatundisf): Declare.
2659         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2660         _floatundixf, and _floatunditf.
2661         * optabs.c (expand_float): If target does not define a pattern for
2662         signed or unsigned conversion, use an unsigned libcall instead of
2663         a signed one.
2664         (init_optabs): Initialize ufloat_optab.
2665
2666 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2667
2668         * config/rs6000/rs6000.opt (mmulhw): New option.
2669         * doc/invoke.texi (-mmulhw): Document.
2670         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2671         for 405 and 440.
2672         * config/rs6000/rs6000.md: Add half-word multiply and
2673         multiply-accumulate instructions for 405 and 440.
2674
2675 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2676
2677         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2678         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2679         default now includes a linker group which makes the RTEMS one nest.
2680
2681 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2682
2683         * cse.c (fold_rtx): Typo fix.
2684         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2685
2686 2005-11-21  Richard Henderson  <rth@redhat.com>
2687
2688         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2689         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2690
2691         * c-tree.h (lookup_name): Move declaration ...
2692         * c-common.h (lookup_name): ... here.
2693         * config/darwin-c.c: Include c-common.h.
2694         * config/t-darwin: Update dependencies.
2695
2696 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2697
2698         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2699         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2700         * genopinit.c (gen_insn): Likewise.
2701         * reload.c (find_equiv_reg): Likewise.
2702         * loop.c (load_mems): Likewise.
2703         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2704         * cse.c (find_comparison_args, fold_rtx): Likewise.
2705         * dwarf2out.c (add_const_value_attribute): Likewise.
2706         * expr.c (convert_move): Likewise.
2707         * recog.c (general_operand, register_operand): Likewise.
2708         * reg-stack.c (replace_reg): Likewise.
2709         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2710         * c-common.c (handle_vector_size_attribute): Likewise.
2711         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2712         (simplify_binary_operation_1): Likewise.
2713         (simplify_const_binary_operation): Likewise.
2714         (simplify_relational_operation): Likewise.
2715         (simplify_const_relational_operation): Likewise.
2716         (simplify_immed_subreg): Likewise.
2717         * emit-rtl.c (gen_lowpart_common): Likewise.
2718         * expmed.c (expand_mult): Likewise.
2719         * stor-layout.c (layout_type): Likewise.
2720
2721 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2722
2723         PR target/24951
2724         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2725         cst2 only for SPE vectors.
2726
2727 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2728
2729         PR target/24953
2730         * config/rs6000/predicates.md (vrsave_operation): Check
2731         UNSPEC_VOLATILE value.
2732
2733 2005-11-21  Jan Hubicka  <jh@suse.cz>
2734
2735         PR tree-optimization/24653
2736         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2737
2738 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2739
2740         * config/i386/predicates.md (ax_reg_operand): New predicate.
2741         (memory_displacement_only_operand): New predicate.
2742         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2743         operand is AX register and the other operand is memory operand
2744         with displacement only.
2745
2746 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2747
2748         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2749         if we don't care about NaNs or Infinities.
2750
2751 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2752
2753         PR rtl-optimization/24883
2754         * combine.c (combinable_i3pat): When checking whether the
2755         destination of i3 is used in i3, consider paradoxical subregs.
2756
2757 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2758
2759         PR middle-end/20583
2760         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2761
2762 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2763
2764         * combine.c (try_combine): Do not run subst on i1src and i2src in
2765         the case of generating a PARALLEL for a comparison.
2766
2767 2005-11-20  Richard Henderson  <rth@redhat.com>
2768
2769         PR 24931
2770         * tree-sra.c (struct sra_elt): Add all_no_warning.
2771         (struct sra_walk_fns) <use>: Add use_all argument.
2772         (sra_walk_expr): Pass it.
2773         (sra_walk_modify_expr): Likewise.
2774         (scalarize_ldst): Likewise.
2775         (scan_use): Update for new argument.
2776         (mark_no_warning): New.
2777         (scalarize_use): Use it.
2778
2779 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2780
2781         * expr.c (expand_expr_real): Use usmul_optab for widening
2782         signed * unsigned multiplies.
2783         * genopinit.c (optabs): Add usmul_widen_optab.
2784         * optabs.c (init_optabs): Likewise.
2785         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2786         (usmul_widen_optab): Define.
2787         * config/bfin/bfin.md (usmulhisi3): New pattern.
2788
2789         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2790
2791 2005-11-20  Graham Stott <btinternet.com>
2792
2793         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2794
2795 2005-11-20  Andreas Schwab  <schwab@suse.de>
2796
2797         PR target/24757
2798         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2799         insn.
2800
2801 2005-11-19  Richard Henderson  <rth@redhat.com>
2802
2803         PR tree-opt/24665
2804         * tree-gimple.c (is_gimple_id): Export.
2805         * tree-gimple.h (is_gimple_id): Declare.
2806         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2807         (get_default_value): Use it.
2808         (maybe_fold_stmt_indirect): Likewise.
2809
2810 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2811
2812         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2813         than VR1 or vice-versa.
2814
2815 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2816
2817         PR middle-end/24912
2818         PR middle-end/24750
2819         * reload.c (find_reloads_address_1): Mention dependency on
2820         gen_reload.
2821         * reload1.c (gen_reload): For IN with an unary operation, try
2822         moving inner expression to OUT if trivial SET is not valid.
2823         Confirm that the result is valid.  Move common code block into...
2824         (emit_insn_if_valid_for_reload): New function.
2825
2826 2005-11-19  Richard Guenther  <rguenther@suse.de>
2827
2828         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2829         ARRAY_REFs of constant strings.
2830
2831 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2832
2833         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2834         fatal format string.
2835
2836 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2837
2838         * combine.c (make_compound_operation): Swap operands of
2839         commutative operation if necessary before returning.
2840
2841 2005-11-19  Richard Guenther  <rguenther@suse.de>
2842
2843         PR middle-end/23294
2844         * fold-const.c (fold_plusminus_mult_expr): New function.
2845         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2846         cases, remove now unnecessary code.
2847
2848 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2849
2850         * gensupport.c (old_preds): Rename to std_preds, add special field.
2851         (struct old_pred_table): Rename to struct std_pred_table, add special
2852         field.
2853         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2854         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2855         (init_predicate_table): Adjust, and set along the way whether a
2856         predicate is special.
2857
2858 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2859
2860         * BASE-VER: Change to 4.2.0.
2861
2862 2005-11-18  James E Wilson  <wilson@specifix.com>
2863
2864         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2865         returning it.
2866
2867 2005-11-18  Mike Stump  <mrs@apple.com>
2868
2869         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2870         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2871         * c-decl.c (lookup_name_two) Remove.
2872         * c-tree.h (lookup_name_two): Remove.
2873         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2874         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2875         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2876         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2877
2878 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2879
2880         PR target/24914
2881         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2882         when not generating code to use that co-processor.
2883
2884 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2885
2886         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2887         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2888         these functions are now in tree-phinodes.c.
2889
2890 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2891
2892         * config/bfin/bfin.md (trap): New pattern.
2893
2894 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2895
2896         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2897         on types.
2898
2899         * expr.c (expand_expr_real): Don't call record_block_change unless
2900         ib_boundaries_block is non-null
2901
2902         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2903
2904         * fold-const.c (build_range_check): Use proper type for subtraction
2905         when merging lower bound.
2906
2907 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2908
2909         PR rtl-optimization/24497
2910         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2911         the copied insn.
2912
2913 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2914
2915         * tree-scalar-evolution.c (expression_expensive_p): New function.
2916         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2917
2918 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2919
2920         * config/bfin/crtlibid.s: New file.
2921
2922 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2923
2924         PR target/24348
2925         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2926         when not using sjlj exceptions.
2927         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2928         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2929         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2930         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2931         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2932         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2933         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2934         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2935         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2936         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2937         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2938         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2939         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2940         defines.
2941         * config/pa/hpux-unwind.h: New file.
2942
2943 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2944
2945         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2946         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2947         * varasm.c (do_assemble_alias): Adjust call.
2948         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2949         is defined.
2950         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2951
2952 2005-11-17  James E Wilson  <wilson@specifix.com>
2953
2954         * tree.def (FUNCTION_DECL): Correct typo in comment.
2955
2956 2005-11-17  Richard Henderson  <rth@redhat.com>
2957
2958         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2959         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2960         and DW_CFA_def_cfa_sf.
2961         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2962         (dbx_reg_number): Don't assert particular registers here.
2963         (based_loc_descr): ... do it here instead.  Fold in ...
2964         (eliminate_reg_to_offset): ... this function.
2965         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2966         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2967         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2968         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2969         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2970         (instantiate_virtual_regs): Likewise.
2971         * var-tracking.c (adjust_stack_reference): Likewise.
2972         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2973
2974 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2975
2976         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2977         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2978         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2979         crtlibid.o.
2980         ($(T)crtlibid.o): New rule.
2981
2982 2005-11-16  Richard Guenther  <rguenther@suse.de>
2983
2984         PR middle-end/24851
2985         * fold-const.c (extract_array_ref): Return byte offset
2986         in all cases.
2987         (fold_binary): Fold &x[a] CMP &x[b] to
2988         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2989         behavior.
2990
2991 2005-11-16  Richard Henderson  <rth@redhat.com>
2992
2993         PR middle-end/23497
2994         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2995         parts of an SSA_NAME.
2996
2997 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2998
2999         PR target/24861
3000         * arm.md (split for movsf with immediate): Restrict split to insns
3001         that set a general register.
3002
3003 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3004
3005         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3006         uw_update_context.
3007         * unwind-dw2.c (uw_advance_context): Likewise.
3008         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3009         _Unwind_SjLj_Unregister.
3010         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3011
3012 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3013
3014         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3015
3016 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3017
3018         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3019         langhook to get a DImode integer type.
3020
3021 2005-11-16  Richard Henderson  <rth@redhat.com>
3022             J"orn Rennecke <joern.rennecke@st.com>
3023             Ulrich Weigand  <uweigand@de.ibm.com>
3024
3025         PR rtl-opt/24160
3026         PR target/24621
3027         * reload1.c (reg_equiv_invariant): New.
3028         (reload): Allocate, initialize, and free it.
3029         (calculate_needs_all_insns): Check it when skipping equivalence
3030         setting insns.
3031         (alter_reg): Likewise.
3032         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3033         may_use_invariant argument; only use reg_equiv_invariant when true.
3034         (eliminate_regs): New.
3035         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3036         a context for which may_use_invariant may be true.
3037
3038 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3039
3040         * fold-const.c (const_binop): Don't constant fold the operation
3041         if the result has overflowed and flag_trapping_math.
3042         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3043
3044 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3045
3046         * config/arm/unwind-arm.c (abort): Add prototype here.
3047         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3048         (struct phase1_vrs): Add prev_sp.
3049         (unwind_phase2_forced): Save the original core registers instead of
3050         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3051         and set action flags accordingly.  Always set _US_END_OF_STACK when
3052         get_eit_entry fails.  Unwind before calling the stop function.
3053         (_Unwind_GetCFA): New function.
3054         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3055         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3056         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3057         just call unwind_phase2_forced.
3058         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3059         * config/arm/unwind-arm.h (abort): Remove prototype.
3060         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3061         prototypes.
3062         (_Unwind_GetCFA): New prototype.
3063         * config/arm/pr-support.c (abort): Add prototype here.
3064         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3065         forced unwinding.
3066         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3067         not schedule the prologue with non-call exceptions and EABI.
3068
3069 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3070
3071         * config/arm/unwind-arm.h: Reorder interface function declarations.
3072         (_URC_END_OF_STACK): New enumeration value.
3073         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3074         (struct _Unwind_Control_Block): Document reserved field use.
3075         (_Unwind_Stop_Fn): New typedef.
3076         (_Unwind_ForcedUnwind): Declare.
3077         (_Unwind_Resume_or_Rethrow): Declare.
3078         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3079         argument.  Adjust.
3080         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3081         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3082         (UCB_FORCED_STOP_ARG): New.
3083         (search_EIT_table): Update boundary condition checks.
3084         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3085         (unwind_phase2): Replace for with do..while.
3086         (unwind_phase2_forced): New.
3087         (__gnu_Unwind_RaiseException): Replace for with do..while.
3088         (__gnu_Unwind_ForcedUnwind): New.
3089         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3090         Use appropriate phase2 unwinder.
3091         (__gnu_Unwind_Resume_or_Rethrow): New.
3092         (__gnu_unwind_pr_common): Cope with forced unwinding.
3093
3094 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3095
3096         PR target/24772
3097         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3098
3099         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3100         roundsf2): Remove "s" from mnemonic.
3101
3102 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3103
3104         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3105         __PIC__ is defined.
3106         * config/bfin/crtn.s: Change epilogues to match.
3107         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3108         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3109         __PIC__ and __pic__.
3110
3111 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3112
3113         PR 24357
3114         * doc/invoke.texi: Distinguish between free and fixed form instead of
3115         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3116         languages.
3117         * gcc.c (default_compilers): Remove double entries, add entries for
3118         suffixes '.F90' and '.F95'.
3119
3120 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3121
3122         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3123         in the stack probing loop.
3124
3125 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3126
3127         * configure.ac: Use .machine power5 not power5x.
3128         * configure: Regenerate.
3129
3130 2005-11-15  Mike Stump  <mrs@apple.com>
3131
3132         * c-decl.c (lookup_name_two): Add.
3133         * c-tree.h (lookup_name_two): Likewise.
3134         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3135         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3136
3137 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3138
3139         PR rtl-optimization/23392
3140         * regrename.c (enum scan_actions) Add mark_access.
3141         (scan_actions_name): Ditto.
3142         (scan_rtx_reg): Handle mark_access.
3143         (scan_rtx_address): Do nothing for mark_access.
3144         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3145         and regs in REG_INC notes before closing chains for dead regs.
3146         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3147         opening chains for new writes.
3148
3149 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3150
3151         * c.opt (ffixed-line-length-none): New.
3152
3153 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3154
3155         * mklibgcc.in: Change contents of eh_dummy.c.
3156
3157 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3158
3159         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3160
3161 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3162
3163         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3164         of making syscalls.
3165         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3166
3167 2005-11-15  Jan Hubicka  <jh@suse.cz>
3168
3169         * invoke.texi (large-unit-insns): Document.
3170         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3171         * params.def (large-unit-insns): New param.
3172
3173 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3174
3175         PR target/24869
3176         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3177         special register for operand 3.  Reindent constraints to align
3178         them vertically.
3179
3180 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3181
3182         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3183         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3184         * configure.ac: Add test for FP rounding instructions.
3185         * configure: Regenerate.
3186         * config.in: Regenerate.
3187         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3188         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3189         features enabled.
3190         * config/rs6000/rs6000.opt (mfprnd): New.
3191         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3192         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3193         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3194         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3195         (TARGET_FPRND): New.
3196         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3197         UNSPEC_FRIZ): New.
3198         (btrunc<mode>2): New.
3199         (ceil<mode>2): New.
3200         (floor<mode>2): New.
3201         (round<mode>2): New.
3202
3203 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3204
3205         * gcc.c (version_compare_spec_function): Use fatal() rather than
3206         abort().
3207
3208         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3209         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3210         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3211         as empty.
3212         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3213         link in crt2.o.
3214
3215         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3216         on -mmacosx-version-min setting.
3217
3218 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3219
3220         PR 24840
3221         * tree-vrp.c (infer_value_range): Return false if STMT is a
3222         block terminator and its basic block has no successors.
3223
3224 2005-11-14  Mike Stump  <mrs@apple.com>
3225
3226         * config/i386/i386.c (override_options): -masm=intel isn't
3227         supported on darwin.
3228         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3229
3230 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3231
3232         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3233         vfork after including auto-host.h.
3234
3235 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3236
3237         PR rtl-optimization/22002
3238         * combine.c (distribute_notes): Detect cases where a reg dies
3239         two or more times in a bb, including on the insn we are combining,
3240         and place the death note on the correct range.
3241
3242 2005-11-14  Dale Johannesen  <dalej@apple.com>
3243
3244         * expmed.c (store_bit_field):  Add offset unconditionally for
3245         memory targets.
3246         (extract_bit_field):  Don't force extzv or extv operand into
3247         a register if field is too big.
3248
3249 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3250
3251         * config/arm/arm.c (pic_labelno): New.
3252         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3253         LABEL_REF.  Pass only the labelno to PIC insns.
3254         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3255         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3256         * arm.md (UNSPEC_PIC_LABEL): New constant.
3257         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3258         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3259         Use the correct label prefix.
3260
3261 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3262
3263         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3264         REQ_EQUIV note.
3265
3266 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3267
3268         * loop-invariant.c: Include tm_p.h.
3269         * Makefile.in: Updated.
3270
3271 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3272
3273         * pa.c (store_reg): Revise generation of frame notes in large frames.
3274         (set_reg_plus_d): Likewise.
3275
3276 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3277
3278         PR tree-optimization/24709
3279         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3280         loop check.
3281
3282 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3283
3284         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3285         and duplicate declaration of pthread_self.
3286
3287 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3288             Ian Lance Taylor  <ian@airs.com>
3289
3290         PR middle-end/24003
3291         * calls.c (expand_call): If TARGET is a MEM and some part of the
3292         argument area has been saved, force TARGET to a register.
3293
3294 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3295
3296         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3297         checking.
3298
3299 2005-11-13  Jason Merrill  <jason@redhat.com>
3300
3301         PR c++/22489
3302         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3303         lazily declared methods.
3304         (force_decl_die): Stop if forcing out the context already make a
3305         DIE for the decl.
3306         (force_type_die): Likewise.
3307
3308 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3309
3310         PR middle-end/24820
3311         * builtins.c (integer_valued_real_p): Add break in
3312         REAL_CST having TREE_OVERFLOW set.
3313
3314 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3315
3316         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3317         addressing modes during calculation of costs.
3318
3319 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3320
3321         * function.c (assign_stack_local_1): Restrict sanity check
3322         on frame size overflow to 32-bit and above platforms.
3323
3324 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3325
3326         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3327         * config/cris/cris.c: Include reload.h.
3328         (cris_initial_elimination_offset): New function.
3329         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3330         Prototype.
3331
3332 2005-11-12  Richard Guenther  <rguenther@suse.de>
3333
3334         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3335
3336 2005-11-12  Jan Hubicka  <jh@suse.cz>
3337
3338         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3339         to compare against 0 when possible.
3340
3341 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3342
3343         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3344         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3345         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3346         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3347         in the new order.
3348
3349 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3350
3351         * recog.c (constrain_operands) <case 'g'>: For a match, require
3352         that a non-register matches general_operand when strict >= 0.
3353
3354 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3355
3356         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3357         previous checkin.
3358
3359 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3360
3361         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3362         (memory_address_same): New.
3363         (dse_optimize_stmt): Call memory_address_same.
3364
3365 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3366
3367         PR middle-end/24750
3368         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3369         ZERO_EXTEND>: New cases.
3370
3371 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3372
3373         * longlong.h (__clz_tab): Always provide.
3374
3375 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3376
3377         PR 24265
3378         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3379         can be assigned to.
3380         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3381         before check_maybe_invariant.
3382         (move_invariant_reg): Use gen_move_insn instead of replacing
3383         SET_DEST with the temporary for the invariant.
3384         (move_loop_invariants): If checking is enabled, do internal
3385         consistency checks after completing the pass.
3386
3387 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3388
3389         PR 24644
3390         * common.opt (Wvolatile-register-var): New.
3391         * varasm.c (make_decl_rtl): Only emit warning when option
3392         specified.  Clarify warning message.
3393         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3394
3395         * doc/md.texi (copysign): Document standard named pattern.
3396
3397 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3398
3399         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3400         bytes when align is 2.
3401         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3402         by the first instruction of the loop.
3403
3404 2005-11-11  Jason Merrill  <jason@redhat.com>
3405
3406         PR c++/24686
3407         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3408         the cleanup list.
3409
3410 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3411
3412         PR rtl-optimization/22509
3413         * local-alloc.c (memref_used_between_p): Check whether a function call
3414         could not reference the memref.
3415
3416 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3417
3418         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3419         algorithm so as to choose the best, not the worst, alternative.
3420         Reset accumulated register class before processing next alternative.
3421
3422 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3423
3424         PR target/24445
3425         * calls.c (expand_call): Copy a return value to a plain register
3426         if needed.
3427
3428 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3429
3430         PR target/24778
3431         * varasm.c (assemble_name): Recompute name only for transparent
3432         aliases.
3433
3434 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3435
3436         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3437
3438 2005-11-04  Jeff Law  <law@redhat.com>
3439
3440         PR middle-end/23181
3441         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3442         perform reassociation if the parent statement will not die as
3443         a result of the optimization.
3444
3445 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3446
3447         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3448         delete_old_heap_vars.
3449         * tree-dfa.c (referenced_var_remove): Remove function.
3450         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3451         (delete_tree_ssa): Remove call to delete_old_heapvars.
3452         Add call to delete_alias_heapvars.
3453         * tree-flow.h (referenced_var_remove): Remove prototype
3454         (init_alias_heapvars): New prototype.
3455         (delete_alias_heapvars): Ditto.
3456         * Makefile.in (tree-ssa-structalias.o): Add
3457         gt-tree-ssa-structalias.o
3458         (GTFILES): Add tree-ssa-structalias.h and
3459         tree-ssa-structalias.c.
3460         (s-gtype): Add gt-tree-ssa-structalias.h.
3461         * tree-ssa-structalias.c (heapvars): Remove.
3462         (oldheapvars): Remove.
3463         (heapvar_for_stmt): New variable.
3464         (heapvar_lookup): New function.
3465         (heapvar_insert): Ditto.
3466         (get_constraint_for): See if we have an old heapvar
3467         to reuse.
3468         (init_alias_heapvars): New function.
3469         (delete_alias_heapvars): Ditto.
3470         Add include of gt-tree-ssa-structalias.h.
3471
3472 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3473
3474         PR middle-end/22127
3475         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3476
3477 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3478
3479         * tree.c (int_fits_type_p): Only look at the base type
3480         if it has the same precision as the original type.
3481
3482 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3483
3484         PR other/4372
3485         * varasm.c (assemble_alias): Use %q+D in the error
3486         message instead of %J and %qD.
3487
3488 2005-11-10  Richard Guenther  <rguenther@suse.de>
3489
3490         * gcse.c (free_ldst_entry): Only free hashtable if
3491         it exists.
3492
3493 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3494
3495         * function.c (assign_stack_local_1): Issue an error message if
3496         the frame size overflows in the signed target arithmetics.
3497
3498 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3499
3500         * tree.c (build_qualified_type): Chain the new type to the original
3501         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3502         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3503         (build_pointer_type_for_mode): Only return unqualified types.
3504         (build_reference_type_for_mode): Likewise.
3505
3506 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3507
3508         * Makefile.in (gnucompare): Do comparison of all files using one of
3509         the chosen methods and only afterwards decide if just warning should
3510         be issued or comparison failure raised.
3511
3512 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3513
3514         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3515         (noce_try_abs): Negate if the comparison is reversed.
3516         Look only one instruction backwards for a REG_EQUAL note.
3517
3518 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3519
3520         PR other/4372
3521         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3522         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3523         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3524         and prefix all uses with __ghtrw.
3525
3526 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3527
3528         PR other/4372
3529         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3530         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3531         * c-common.c (handle_weakref_attribute): New.
3532         (c_common_attribute_table): Add weakref.
3533         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3534         in the assembler.
3535         * configure, config.in: Rebuilt.
3536         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3537         * doc/extend.texi: Document weakref attribute.
3538         * varasm.c (ultimate_transparent_alias_target): New
3539         (assemble_name): Use it.
3540         (weak_finish_1): Split out of...
3541         (weak_finish): ... and deal with weakrefs in...
3542         (weakref_targets): ... new list.
3543         (globalize_decl): Clean up weakref_targets.
3544         (do_assemble_alias): Handle weakrefs.
3545         (finish_aliases_1): Do not reject weakrefs to external symbols.
3546         (assemble_alias): Handle weakrefs.
3547
3548 2005-11-09  Richard Guenther  <rguenther@suse.de>
3549
3550         PR tree-optimization/24716
3551         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3552         t_bool to track results from follow_ssa_edge.
3553
3554 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3555
3556         * final.c (force_source_line): New global variable.
3557         (final_scan_insn): Set it to true instead of clearing last_filename.
3558         (notice_source_line): Return true if force_source_line is true,
3559         unless source info is absent.
3560
3561 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3562
3563         PR c/24644
3564         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3565         a linkage name for a variable if it a register variable.
3566         * c-decl.c (grokdeclarator): Global register variables
3567         should be set as PUBLIC.
3568
3569 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3570
3571         PR 24624
3572         * config/s390/s390.c (struct s390_frame_layout): New fields
3573         first_save_gpr_slot and last_save_gpr_slot.
3574         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3575         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3576         first_save_gpr and last_save_gpr with the _slot variants.
3577         (s390_register_info): Calculate first_save_gpr_slot and
3578         last_save_gpr_slot using regs_ever_live.
3579
3580 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3581
3582         PR 24623
3583         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3584         for a function containing a landing pad.
3585
3586 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3587
3588         PR 24034
3589         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3590         is live afterwards.
3591
3592 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3593
3594         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3595         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3596
3597 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3598
3599         Add ms2 support
3600         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3601         constants.
3602         (call,load,store): New insn types.
3603         (mem_access, branch_access): Adjust reservation conditions.
3604         (define_delay): Adjust condition.
3605         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3606         type.
3607         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3608         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3609         insn type.
3610         (call_internal, call_value_internal, return_internal,
3611         return_interrupt_internal, eh_return_internal, indirect_jump,
3612         tablejump): Set call insn type.
3613         (blockage, ei, di): Use appropriate unspec const.
3614         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3615         (ms1_get_attr_type): Adjust to give load & store types.
3616         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3617         backwards past a barrier.
3618         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3619         branch scheduling.
3620         (struct branch_info, struct label_info): New.
3621         (ms1_labels): New.
3622         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3623         (ms1_machine_reorg): New.
3624         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3625         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3626         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3627         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3628         (TARGET_MS2): New.
3629
3630 2005-11-09  Per Bothner  <per@bothner.com>
3631             Uros Bizjak  <uros@kss-loka.si>
3632
3633         PR c/24101
3634         * toplev.c (process_options): Initialize debug_hooks early
3635         in case lang_hooks.post_options ends up calling a debug_hook.
3636
3637 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3638
3639         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3640         DBX_REGISTER_NUMBER being contiguous.
3641
3642 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3643             Diego Novillo  <dnovillo@redhat.com>
3644
3645         PR 23046
3646         * tree-vrp.c (register_edge_assert_for): Do not register
3647         always-false predicates.
3648
3649 2005-11-08  Devang Patel <dpatel@apple.com>
3650
3651         PR tree-optimization/23115
3652         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3653         relation.
3654
3655 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3656
3657         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3658         -mcpu=440.
3659
3660 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3661
3662         Fix PR tree-optimization/23382
3663
3664         * tree-ssa-alias.c (compute_may_aliases): Call
3665         delete_old_heap_vars.
3666         * tree-dfa.c (referenced_var_remove): New function.
3667         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3668         * tree-flow.h (referenced_var_remove): Add prototype.
3669         (delete_old_heap_vars): Ditto.
3670         * tree-ssa-structalias.c (heapvars): New variable.
3671         (oldheapvars): Ditto.
3672         (get_constraint_for): Put heap vars on heapvars list.
3673         (delete_old_heap_vars): New function.
3674
3675 2005-11-08  Jason Merrill  <jason@redhat.com>
3676
3677         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3678
3679 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3680
3681         PR target/19340
3682         * reg-stack.c (reg_to_stack): Update register liveness also
3683         for flag_sched2_use_traces.
3684
3685 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3686
3687         PR target/23704
3688         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3689         override prior explicit -mno-powerpc-gfxopt.
3690
3691 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3692
3693         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3694         if the bitsize is zero.
3695         * doc/md.texi (Standard Pattern Names): Document it.
3696
3697         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3698         (TARGET_PASS_BY_REFERENCE): Likewise.
3699
3700 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3701
3702         PR rtl-optimization/24683
3703         * config/i386/i386.c (legitimize_pic_address): If constant operand
3704         to PLUS is too large, put it in a register.
3705
3706 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3707
3708         * configure.ac: Enable checking assembler dwarf2 support for bfin
3709         target.
3710         * configure: Regenerate.
3711
3712 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3713
3714         PR target/24230
3715
3716         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3717         gen_easy_vector_constant_add_self): Delete.
3718         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3719         New.
3720         (output_vec_const_move): Use gen_easy_altivec_constant.
3721         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3722         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3723         (easy_vector_constant_add_self): Rewritten.
3724         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3725         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3726         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3727         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3728         Macroize and adjust for the other changes.
3729
3730 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3731
3732         PR c/24599
3733
3734         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3735         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3736
3737 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3738
3739         PR rtl-optimization/23567
3740         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3741         (noce_process_if_block): Don't do any optimizations except
3742         if (cond) x = x; if !set_b and write into orig_x may trap
3743         or fault.  Remove the MEM_READONLY_P check.
3744
3745 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3746
3747         PR 24670
3748         * tree-vrp.c (fix_equivalence_set): New.
3749         (extract_range_from_assert): Call it.
3750
3751 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3752
3753         PR target/22432
3754         * combine.c (apply_distributive_law): Don't distribute across a
3755         vector mode subreg.
3756
3757 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3758
3759         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3760         config/ms1/ms1.h, config/rs6000/predicates.md,
3761         config/s390/s390.c, params.def, postreload-gcse.c,
3762         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3763         tree-vrp.c, tree.c: Fix comment typos.
3764         * doc/invoke.texi: Fix typos.
3765
3766 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3767
3768         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3769         for testing whether the data_dependence_relation contains distance
3770         vectors.  Iterate over all distance vectors of the ddr.
3771         * lambda.h: Define a vec of lambda_vector pointers.
3772         * tree-data-ref.c (dump_data_dependence_relation,
3773         dump_data_dependence_direction): Iterate over all distance and
3774         direction vectors of the ddr.
3775         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3776         DDR_DIST_VECTS.
3777         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3778         of distance/direction vectors instead of a single one.
3779         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3780         lambda_vectors with a vec of lambda_vectors.
3781         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3782         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3783         DDR_NUM_DIST_VECTS): New.
3784         * tree-loop-linear.c (gather_interchange_stats): Test for the
3785         existence of distance vectors only after having checked that there
3786         is a dependence.  Iterate over all distance vectors of the ddr.
3787         (linear_transform_loops): Use dump_data_dependence_relation.
3788         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3789         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3790         distance vectors of the ddr.
3791
3792 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3793
3794         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3795         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3796         IS_INTHANDLER; all callers changed.
3797         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3798         account.
3799         (do_link, do_unlink): New argument ALL; all callers changed.
3800         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3801         If function isn't leaf, save and restore all registers.
3802         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3803         exception handler.
3804
3805 2005-11-05  Jan Hubicka  <jh@suse.cz>
3806
3807         PR rtl-optimization/23490
3808         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3809         max-flow-memory-location): Document.
3810         * flow.c: Include params.h
3811         (MAX_MEM_SET_LIST_LEN): Kill.
3812         (add_to_mem_set_list): Use new param.
3813         * cse.c (cse_basic_block): Replace 1000 by new param.
3814         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3815         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3816         * predict.c (predict_loops): Use new param.
3817         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3818
3819         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3820         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3821         Do not hold memory returned by cgraph_node_name across other call.
3822
3823 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3824
3825         PR target/23424
3826         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3827         Disable.
3828
3829 2005-11-04  Jeff Law  <law@redhat.com>
3830
3831         PR/21883
3832         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3833         * tree-ssa-dom.c: Include params.h.
3834         (thread_across_edge): If there are too many statements in the
3835         target block, then do not thread through it.
3836         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3837         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3838
3839 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3840
3841         PR 24627
3842         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3843         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3844
3845 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3846
3847         PR/18595
3848         * tree-scalar-evolution.c (instantiate_parameters_1,
3849         instantiate_parameters, resolve_mixers): Compute the size of an
3850         expression to be instantiated and give up the instantiation if the
3851         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3852
3853 2005-11-04  Richard Guenther  <rguenther@suse.de>
3854
3855         * tree-flow.h (ref_contains_indirect_ref): Rename to
3856         array_ref_contains_indirect_ref.
3857         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3858         (array_ref_contains_indirect_ref): Make comment match the code
3859         and vice-versa.
3860         (ref_contains_array_ref): Likewise.
3861         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3862         ref_contains_indirect_ref.
3863         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3864         Rename calls to ref_contains_indirect_ref.
3865
3866 2005-11-04 Paul Brook  <paul@codesourcery.com>
3867
3868         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3869         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3870         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3871         * config/arm/arm.md: Use match_operand in peephole input templates
3872         and match_dup in peephole output templates.
3873
3874 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3875
3876         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3877         __aeabi_uidiv.
3878
3879 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3880             Daniel Jacobowitz  <dan@codesourcery.com>
3881
3882         * longlong.h (add_ssaaaa): Clobber condition code register
3883         in ARM version.
3884         (sub_ddmmss): Likewise.
3885         (umul_ppmm): Likewise.
3886
3887 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3888             Paul Brook  <paul@codesourcery.com>
3889             Phil Blundell  <pb@reciva.com>
3890
3891         * configure.ac: Add test for ARM TLS support.
3892         * configure: Regenerated.
3893         * config/arm/arm-protos.h (legitimize_tls_address)
3894         (arm_tls_referenced_p, tls_mentioned_p)
3895         (arm_output_addr_const_extra): New prototypes.
3896         (thumb_legitimize_pic_address): Delete.
3897         * config/arm/arm.c: Include "gt-arm.h".
3898         (enum tls_reloc): New.
3899         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3900         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3901         (arm_call_tls_get_addr, legitimize_tls_address)
3902         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3903         (arm_init_tls_builtins, arm_emit_tls_decoration)
3904         (arm_output_addr_const_extra): New functions.
3905         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3906         (TARGET_HAVE_TLS): Define.
3907         (target_thread_pointer): New.
3908         (arm_override_options): Handle -mtp=.
3909         (legitimize_pic_address): Ignore UNSPECs.
3910         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3911         relative symbols.
3912         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3913         (tls_get_addr_libfunc): New variable.
3914         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3915         (arm_init_builtins): Call arm_init_tls_builtins.
3916         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3917         (arm_encode_section_info): Call default_encode_section_info.
3918         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3919         (enum arm_tp_type): New.
3920         (target_thread_pointer): Add declaration.
3921         (LEGITIMATE_CONSTANT_P): Handle TLS.
3922         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3923         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3924         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3925         * config/arm/arm.md: Add UNSPEC_TLS.
3926         (movsi): Handle TLS.
3927         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3928         non-PIC.
3929         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3930         (load_tp_hard, load_tp_soft): New insns.
3931         * arm.opt: Add -mtp=.
3932         * doc/invoke.texi (ARM Options): Document -mtp.
3933
3934 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3935
3936         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3937         * config/arm/libunwind.S: Include "lib1funcs.asm".
3938         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3939         (LIB2ADDEH): Add libunwind.S.
3940         (LIB2ADDEHDEP): Add lib1funcs.asm.
3941         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3942
3943 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3944
3945         PR fortran/18452
3946         * gcc/c.opt: Add a -lang-fortran option.
3947         * gcc/c-opts.c: Add a lang_fortran flag.
3948         (c_common_init_options): Handling the -lang-fortran option.
3949         (c_common_handle_option): Add a case for Fortran options in
3950         preprocessing. Remove cases for -ffixed-form and
3951         -ffixed-line-length. Add a case for -lang-fortran.
3952
3953 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3954
3955         * config/rs6000/rs6000.c: Include params.h
3956         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3957         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3958         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3959         (UNSPEC_VPKUWSS): Delete.
3960         (altivec_vpkuhss): Delete.
3961         (altivec_vpkuwss): Delete.
3962         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3963         final condition.
3964         (neg_eq0<mode>): Remove final condition.
3965         (neg_eq<mode>): Remove condition and split-condition.
3966
3967 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3968
3969         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3970         Use associated print macros.
3971
3972 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3973
3974         PR c++/17964
3975         * diagnostic.c (diagnostic_set_info_translated): New function.
3976         (diagnostic_set_info): Use it.  Add comment.
3977         * diagnostic.h (diagnostic_set_info_translated): Declare.
3978
3979 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3980
3981         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3982         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3983         reference only if 'public' is true.
3984         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3985         emit the .hidden directive only if the indirect reference is public.
3986         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3987         Pass it to dw2_force_const_mem.
3988         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3989         * dwarf2out.c (output_cfi): Adjust calls to above function.
3990         (output_call_frame_info): Likewise.
3991         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3992         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3993
3994 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3995
3996         PR tree-optimization/24483
3997         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3998         field to elts if possible.
3999
4000 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4001
4002         PR middle-end/23155
4003         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4004         CONSTRUCTOR.
4005
4006 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4007
4008         Fix PR tree-optimization/24351
4009
4010         * tree-ssa-structalias.c (struct variable_info): Add
4011         collapsed_into.
4012         (get_varinfo_fc): New function to follow collapsing.
4013         (new_var_info): Set collapsed_to to NULL.
4014         (dump_constraint): Follow collapsing.
4015         (build_constraint_graph): Handle collapsing.
4016         (do_simple_structure_copy): Return false if something bad
4017         happened.
4018         (collapse_rest_of_var): New function.
4019         (do_structure_copy): Collapse if do_simple_structure_copy returns
4020         false.
4021
4022 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4023
4024         PR middle-end/24589
4025         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4026         expressions to a statement list instead of gimplifying them.
4027
4028 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4029
4030         PR rtl-optimization/23585
4031         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4032         that can't trap plus a constant integer, if the mode has zero size.
4033
4034 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4035
4036         PR target/24620
4037         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4038         as operand 2.
4039         ("*insv<mode>_reg_extimm"): Likewise.
4040
4041 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4042
4043         PR c/24329
4044         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4045         c_common_type_for_mode returns an unnamed type.
4046
4047 2005-11-02  Richard Henderson  <rth@redhat.com>
4048
4049         PR target/9350
4050         PR target/24374
4051         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4052         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4053         * function.c (assign_parms): Use calls.internal_arg_pointer.
4054         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4055         code.
4056         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4057         (TARGET_CALLS): Add it.
4058         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4059         * targhooks.c (default_internal_arg_pointer): New.
4060         * targhooks.h (default_internal_arg_pointer): Declare.
4061         * tree.h (dwarf2out_reg_save_reg): Declare.
4062         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4063         * config/i386/i386.c (dbx_register_map): Add return column.
4064         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4065         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4066         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4067         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4068         (ix86_save_reg): Save force_align_arg_pointer.
4069         (ix86_emit_save_regs): Make regno unsigned.
4070         (ix86_emit_save_regs_using_mov): Likewise.
4071         (ix86_expand_prologue): Handle force_align_arg_pointer.
4072         (ix86_expand_epilogue): Likewise.
4073         * config/i386/i386.h: (dbx_register_map): Update.
4074         (dbx64_register_map, svr4_dbx_register_map): Update.
4075         (struct machine_function): Add force_align_arg_pointer.
4076         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4077         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4078         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4079
4080 2005-11-02  Jan Hubicka  <jh@suse.cz>
4081
4082         PR target/23303
4083         * i386.md: Add peep2 for simplyfing array accesses.
4084
4085 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4086
4087         PR target/24615
4088         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4089         * config/s390/s390.c (s390_decompose_shift_count): New function.
4090         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4091         (print_shift_count_operand): Use s390_decompose_shift_count.
4092         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4093         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4094
4095 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4096
4097         PR target/24600
4098         * loop.c (loop_givs_rescan): Use force_operand to expand
4099         complex GIVs.
4100
4101 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4102
4103         PR 22429
4104         * fold-const.c (build_range_check): Use unsigned when signed
4105         overflow is undefined also.  If etype is subtype, make sure that
4106         the subtraction is in the supertype.
4107
4108 2005-11-02  Richard Henderson  <rth@redhat.com>
4109
4110         PR target/24178
4111         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4112         by MEM_ALIGN.
4113
4114 2005-11-01  Richard Henderson  <rth@redhat.com>
4115
4116         PR 21518
4117         * loop.c (scan_loop): Do not propagate computations to a hard
4118         register destination with SMALL_REGISTER_CLASSES.
4119
4120 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4121
4122         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4123         costs for MULT inside PLUS or MINUS.
4124
4125 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4126
4127         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4128         (TRAMPOLINE_SIZE): Round up to 60.
4129         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4130
4131 2005-10-31  James E. Wilson  <wilson@specifix.com>
4132
4133         PR debug/24444
4134         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4135         ifdef.  Put ifdefs around call in gen_subprogram_die.
4136         (compute_frame_pointer_to_cfa_displacement): Likewise.
4137         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4138         not defined.
4139
4140         PR rtl-optimization/17356
4141         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4142         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4143
4144 2005-10-31  Jan Hubicka  <jh@suse.cz>
4145
4146         PR middle-end/24093
4147         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4148
4149         PR target/20928
4150         * i386.c (legitimize_pic_address): Deal with large immediates.
4151
4152         PR profile/20815
4153         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4154         from symbol names while computing checkup.
4155
4156         PR profile/24487
4157         * predict.c (predict_loops): Do not estimate more than
4158         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4159         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4160
4161 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4162
4163         PR tree-optimization/19097
4164         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4165
4166 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4167
4168         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4169
4170 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4171
4172         PR middle-end/23492
4173         * tree-inline.c (setup_one_parameter): If the init_stmt
4174         is NULL, don't insert the statement.
4175
4176 2005-10-30  Jan Hubicka  <jh@suse.cz>
4177
4178         PR tree-optimization/24172
4179         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4180
4181 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4182
4183         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4184         constants for hosts with long != 32 bits.
4185
4186 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4187
4188         PR middle-end/24093
4189         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4190
4191 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4192
4193         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4194         (TARGET_MS1_16_002): New.
4195         (TARGET_MS1_16_003): New.
4196
4197         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4198         ("*decrement_and_branch_until_zero_no_clobber"): New.
4199         Add corresponding splitter for decrement_and_branch_until_zero
4200         instruction.
4201         Key all decrement_and_branch_until_zero patterns off of
4202         TARGET_MS1_16_003.
4203
4204 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4205
4206         PR middle-end/24362
4207         * tree-complex.c (extract_component): Treat RESULT_DECL
4208         like the rest of the decls.
4209
4210 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4211
4212         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4213         indirect call to _mcount if the function needs a static chain.
4214
4215 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4216             Caroline Tice  <ctice@apple.com>
4217
4218         PR rtl-optimization/24460
4219         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4220         (dwarf2out_switch_text_section): Set it to true instead of
4221         incrementing separate_line_info_table_in_use.
4222         (output_loc_list): Additionally test have_switched_text_sections.
4223         (output_ranges): Likewise.
4224         (dwarf2out_finish): Likewise.
4225         * varasm.c (assemble_start_function): Do not call
4226         insert_section_boundary_note.
4227         (assemble_end_function): If flag_reorder_blocks_and_partition,
4228         switch to the function's section before emitting the .size directive.
4229         * bb-reorder.c (insert_section_boundary_note): Staticify.
4230         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4231         * output.h (insert_section_boundary_note): Delete.
4232
4233 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4234
4235         PR c/23103
4236         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4237         instead of pointer equality when comparing types.
4238
4239 2005-10-24  James E. Wilson  <wilson@specifix.com>
4240
4241         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4242         add_dependence_list_and_free calls.
4243
4244 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4245
4246         * contrib.texi: Add the names of the LLNL folks who donated
4247         Cray pointer support for gfortran.
4248
4249 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4250
4251         PR tree-optimization/24225
4252         * profile.c (branch_prob): Look from end to start through a
4253         basic block when looking for a locus.
4254
4255 2005-10-24  Richard Henderson  <rth@redhat.com>
4256
4257         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4258         parallel.
4259         (hppa_expand_prologue): Likewise.
4260
4261 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4262
4263         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4264         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4265         * pa.h (NO_PROFILE_COUNTERS): Define.
4266         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4267         (funcdef_nos): New vector to hold label numbers of deferred profile
4268         counters.
4269         (output_deferred_profile_counters): New function.
4270         (hppa_profile_hook): Push label number onto funcdef_nos.
4271         (pa_hpux_file_end): Call output_deferred_profile_counters if
4272         NO_DEFERRED_PROFILE_COUNTERS is false.
4273
4274         * pa-protos.h (get_deferred_plabel): New prototype.
4275         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4276         Make global.
4277         (output_call): Adjust calls.
4278
4279 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4280
4281         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4282         peculiarity of GOT/TOC section usage.
4283
4284 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4285
4286         PR objc/24435
4287          * c-common.c (constant_string_class_name): Add documentation.
4288
4289 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4290
4291         PR target/23832
4292         * recog.c (peephole2_optimize): Increment peep2_current_count
4293         only when the slot is empty.
4294
4295 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4296
4297         PR ada/23957
4298         * except.c (output_function_exception_table): Call
4299         assemble_external_libcall if we need a personality function.
4300
4301 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4302
4303         PR rtl-optimization/24460
4304         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4305         set the basic block for barriers.
4306
4307 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4308
4309         * var-tracking.c (vt_initialize): Initialize post.
4310
4311 2005-10-21  Devang Patel  <dpatel@apple.com>
4312
4313         PR/24220
4314         * c-common.c (vector_types_convertible_p): Check vector element type.
4315
4316 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4317
4318         * config/sh/sh.c (prepare_move_operands): Handle the address
4319         constant which is a tls symbolic address plus a constant.
4320
4321 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4322
4323         PR driver/24473
4324         * gcc.c (main): Use the correct counter for erroring out
4325         about mulitple files.
4326
4327 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4328
4329         PR target/24465
4330         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4331         use r2 for 64-bit tls .got access.
4332
4333 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4334
4335         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4336         TRUTH_OR_EXPR.
4337
4338 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4339
4340         PR tree-optimization/24307
4341         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4342
4343 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4344
4345         PR middle-end/24295
4346         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4347         alias targets.
4348         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4349         is ready, stop marking functions, but still mark variables.
4350
4351 2005-10-20  Richard Guenther  <rguenther@suse.de>
4352
4353         PR c++/24439
4354         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4355         void type operands.
4356
4357 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4358
4359         PR rtl-optimization/23585
4360         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4361         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4362         (may_trap_p_1): New predicate extracted from...
4363         (may_trap_p): ... here.  Invoke may_trap_p_1.
4364         (may_trap_or_fault_p): New predicate.
4365         * rtl.h (may_trap_or_fault_p): Declare it.
4366         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4367         instead of may_trap_p.
4368         (steal_delay_list_from_fallthrough): Likewise.
4369         (fill_simple_delay_slots): Likewise.
4370         (fill_slots_from_thread): Likewise.
4371         * function.c (pad_to_arg_alignment): Rework comment about
4372         SPARC_STACK_BOUNDARY_HACK.
4373         * config/sparc/sparc.h: Likewise.
4374
4375 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4376
4377         * config/s390/s390.c (s390_expand_insv): New.
4378         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4379         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4380         ("icm_hi"): Remove mode attribute.
4381         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4382         Adjust all uses.
4383         ("*extracthi", "*extractqi"): Remove.
4384         (extv<mode>", "*extzv<mode>"): New.
4385         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4386         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4387
4388 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4389
4390         * cfgexpand.c (discover_nonconstant_array_refs_r,
4391         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4392         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4393         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4394         discover_nonconstant_array_refs.
4395
4396 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4397
4398         PR c/23228
4399         * c-decl.c (pop_scope): Don't warn about an unused variable
4400         if it is marked with TREE_NO_WARNING.
4401         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4402         somenow mismatch and olddecl is to be replaced.
4403
4404 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4405
4406         PR middle-end/23199
4407         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4408         whether registers live on the edge can be saved/restored.
4409
4410 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4411
4412         * config/sh/sh.c (fixup_mova): Skip notes.
4413
4414 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4415
4416         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4417         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4418         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4419         (s390_initial_elimination_offset): Likewise.
4420         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4421         register on TARGET_ZARCH targets.
4422         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4423         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4424         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4425         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4426
4427 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4428
4429         * config/s390/s390.md: Comment describing output modifiers updated.
4430         * config/s390/s390.c (print_operand): Likewise.
4431
4432 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4433
4434         * config/s390/s390.c (override_options): Added check for -mstack-size
4435         64k limitation.
4436         * doc/invoke.texi: Mention that limit in the documenation.
4437
4438 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4439
4440         PR #19672
4441         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4442
4443 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4444
4445         Fix PR tree-optimization/24231
4446
4447         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4448         (compute_avail): Ditto.
4449
4450 2005-10-18  Richard Henderson  <rth@redhat.com>
4451
4452         PR target/24428
4453         * config/i386/i386.c (legitimate_constant_p): Check
4454         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4455         if LABEL_REF.
4456         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4457         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4458         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4459         directly.
4460         (print_operand_address): Likewise.
4461         * config/i386/predicates.md (x86_64_immediate_operand): Test
4462         SYMBOL_REF_TLS_MODEL properly inside CONST.
4463         (x86_64_zext_immediate_operand): Likewise.
4464         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4465         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4466         * config/i386/i386-protos.h: Remove predicates.md entries.
4467
4468 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4469
4470         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4471         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4472
4473 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4474             Ian Lance Taylor <ian@airs.com>
4475
4476         PR middle-end/23522
4477         * fold-const.c (fold_widened_comparison): Do not allow range based
4478         constant folding when right operand cannot be unwidened.
4479
4480 2005-10-17  Richard Henderson  <rth@redhat.com>
4481
4482         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4483         with a memory clobber.
4484
4485 2005-10-17  James E Wilson  <wilson@specifix.com>
4486
4487         PR rtl-optimization/17356
4488         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4489         checking for EDGE_EH.
4490
4491 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4492
4493         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4494         the slot on an even boundary for any type with 16-byte alignment.
4495
4496 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4497
4498         PR target/23424
4499         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4500         after register allocation.
4501
4502 2005-10-17  DJ Delorie  <dj@redhat.com>
4503
4504         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4505         as frame related.
4506
4507 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4508
4509         PR c++/22551
4510         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4511         overflow flags.
4512
4513 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4514
4515         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4516         to 2 if it's already non-zero.
4517         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4518         is set and warn about it if flag_schedule_insns is 1.
4519
4520 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4521
4522         * config/crx/crx.md: Compare-and-branch instructions need to
4523         invalidate CC.
4524
4525 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4526
4527         PR target/24315
4528         * config/i386/i386.md (*pushdi2_rex64 splitter)
4529         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4530         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4531         flow2 pass only when (optimize > 0 && flag_peephole2).
4532
4533 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4534
4535         PR driver/22544
4536         * gcc.c (have_c): New static variable.
4537         (have_o): Likewise.
4538         (process_command): Remove declation of have_c.
4539         Set have_o to 1 when handling -o.
4540         (main): Add a fatel error if there are multiple
4541         files specified and -o and -c/-S is passed witout
4542         -combine or multiple languages.
4543
4544 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4545
4546         Fix PR tree-optimization/22444
4547         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4548         Assert that we don't hit something with subvars.
4549         (setup_pointers_and_addressables): Don't add things with subvars,
4550         because we'll already process the subvars for aliasing purposes.
4551
4552 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4553
4554         PR target/23424
4555         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4556         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4557         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4558         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4559         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4560         swapped, alternatives for the R constraint.
4561
4562         PR middle-end/24341
4563         * builtins.c (get_builtin_sync_mode): Make unlimited
4564         mode_for_size request.
4565
4566 2005-10-15  Richard Henderson  <rth@redhat.com>
4567
4568         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4569         (gimplify_expr): ... here.
4570         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4571         fb_lvalue in base expression.
4572
4573 2005-10-15  Richard Henderson  <rth@redhat.com>
4574
4575         PR 23714
4576         * builtins.c (expand_builtin_trap): Export.
4577         * expr.h (expand_builtin_trap): Declare.
4578         * expr.c (expand_assignment): Emit a trap for integral offsets
4579         from registers that weren't reduced to bitpos.
4580
4581         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4582         (mark_array_ref_addressable): Remove.
4583         * tree-flow.h (mark_array_ref_addressable): Remove.
4584         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4585
4586 2005-10-15  James E Wilson  <wilson@specifix.com>
4587
4588         PR target/24232
4589         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4590         (add_dependence_list_and_free): Likewise.
4591         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4592         call.
4593
4594 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4595
4596         PR 23141
4597         PR 23142
4598         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4599         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4600         anti-range.
4601         (vrp_visit_phi_node): Only prevent infinite iterations when
4602         the previous result and the new result are both VR_RANGEs.
4603
4604 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4605
4606         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4607         function comment.
4608
4609 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4610
4611         PR c/23439
4612         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4613         to initialize loc.
4614
4615 2005-10-14  Per Bothner  <per@bothner.com>
4616
4617         PR preprocessor/21250
4618         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4619
4620 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4621
4622         PR c++/22551
4623         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4624         overflow flags.  Refactor some conditionals.
4625
4626 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4627
4628         PR tree-opt/21304
4629         * tree-dfa.c (add_referenced_var): Only look at decls which
4630         have TREE_CONSTANT or TREE_READONLY set instead of if
4631         !TREE_PUBLIC or !TREE_CONSTANT.
4632
4633 2005-10-13  James E Wilson  <wilson@specifix.com>
4634
4635         * doc/invoke.texi: For -x, add f95-cpp-input.
4636         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4637
4638 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4639
4640         PR tree-optimization/24262
4641         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4642         in loop all the time.
4643
4644 2005-10-12  Richard Henderson  <rth@redhat.com>
4645
4646         PR c/24255
4647         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4648         * function.c (assign_parm_find_data_types): Don't support it.
4649         * print-tree.c (print_node): Likewise.
4650         * c-common.c (handle_transparent_union_attribute): Likewise.
4651         Use build_duplicate_type.
4652         * tree-inline.c (remap_type_1): Split out of remap_type;
4653         properly remap aggregate fields.
4654         (build_duplicate_type): New.
4655         * doc/extend.texi (Variable Attributes): Remove documentation
4656         for transparent_union.
4657
4658 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4659
4660         PR target/24284
4661         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4662         (gen_stack_pointer_dec): Likewise.
4663
4664 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4665
4666         PR middle-end/21275
4667         PR middle-end/21766
4668         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4669         target hook.
4670         (struct cxx): Add adjust_class_at_definition target hook.
4671         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4672         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4673         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4674         hook_void_tree. Add to TARGET_CXX.
4675         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4676         dllimport_flag.
4677         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4678         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4679         instead of attribute. Check for dllexport override.  Warn if
4680         inconsistent dll linkage. Don't lose old dllimport if decl has
4681         had address referenced.   Tweak lookup of dllimport atribute.
4682         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4683         for target specific rules.  Don't add dllimport attribute if
4684         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4685         dllimport attribute.
4686         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4687         * varasm.c (initializer_constant_valid_p): Replace
4688         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4689
4690         PR target/21801
4691         PR target/23589
4692         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4693         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4694         (i[34567]86-*-mingw32*): Likewise.
4695
4696         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4697         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4698
4699         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4700         C++-specific code. Change return value to bool.
4701         (i386_pe_dllimport_p): Likewise.
4702         (associated_type): Simplify and make language-independent
4703         (i386_pe_encode_section_info): Replace override of ambiguous
4704         dllimport symbol refs with a gcc_assert.
4705         (i386_pe_valid_dllimport_attribute_p): Define.
4706         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4707         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4708         i386_pe_adjust_class_at_definition.
4709         * config/i386/winnt-stubs.c: New file. Define stub versions of
4710         lang-specific functions.
4711         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4712         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4713         i386_pe_adjust_class_at_definition.
4714         (i386_pe_valid_dllimport_attribute_p): Declare.
4715         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4716         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4717         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4718
4719         PR target/19704
4720         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4721         dllimport attribute with test of DECL_DLLIMPORT_P.
4722
4723 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4724
4725         * combine.c (make_extraction): Correct offset computation.
4726
4727 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4728
4729         * config/cris/t-linux (LIMITS_H_TEST): Define.
4730
4731 2005-10-12  Richard Henderson  <rth@redhat.com>
4732
4733         PR rtl-opt/23324
4734         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4735
4736 2005-10-12  Richard Guenther  <rguenther@suse.de>
4737
4738         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4739
4740 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4741
4742         PR c++/19964
4743         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4744         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4745         type.
4746
4747 2005-10-12  Richard Guenther  <rguenther@suse.de>
4748
4749         PR c++/23799
4750         * varasm.c (output_constant): Correct typo from previous
4751         patch by DJ.
4752
4753 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4754
4755         PR rtl-optimization/13931
4756         * combine.c: Revert patch of 2003-05-14, and:
4757         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4758         completely killed in the appropriate insn.
4759         (distribute_notes): Don't skip multiple hard register test for
4760         elim_i1 and elim_i2.
4761
4762 2005-10-11  Richard Henderson  <rth@redhat.com>
4763
4764         PR c/24255
4765         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4766         to initialize a transparent union instead of a nop_expr.
4767
4768 2005-10-11  Richard Henderson  <rth@redhat.com>
4769
4770         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4771         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4772         (tree_ssa_dce_loop): Call scev_reset.
4773
4774         PR tree-opt/24300
4775         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4776         * tree-ssa-dce.c: Include cfgloop.h.
4777         (tree_ssa_dce_loop, pass_dce_loop): New.
4778         * tree-pass.h (pass_dce_loop): Declare it.
4779         * passes.c (init_optimization_passes): Use it.
4780
4781 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4782
4783         PR middle-end/24263
4784         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4785         Only apply the optimization for rounding builtins if the inner
4786         cast is also an extension.
4787
4788 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4789
4790         PR tree-opt/23946
4791         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4792         mark_new_vars_to_rename instead of update_stmt.
4793
4794 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4795
4796         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4797
4798 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4799
4800         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4801         for setting MMX register to 0 rather than mmx.
4802
4803 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4804
4805         PR target/12098
4806         * configure.ac: Move gas check from mips specific case to common case.
4807         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4808         * configure: Regenerate
4809         * doc/install.texi: Update.
4810
4811 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4812
4813         PR target/24284
4814         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4815
4816 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4817
4818         * gcc.c (do_spec_1): Accept numeric characters in file name
4819         suffixes.
4820
4821 2005-10-10  Nick Clifton  <nickc@redhat.com>
4822
4823         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4824         describing the deleted arm_gen_rotated_half_load function.
4825
4826 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4827
4828         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4829         __fpscr_values.
4830
4831 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4832
4833         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4834         gnu_ld assignments.
4835         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4836         (EXTRA_MULTILIB_PARTS): Define.
4837         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4838         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4839         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4840         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4841         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4842         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4843
4844 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4845
4846         PR tree-optimization/24226
4847         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4848         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4849         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4850         Export.
4851
4852 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4853
4854         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4855
4856 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4857
4858         PR target/24136
4859         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4860         Rewrite for no need for the early clobber.
4861
4862 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4863
4864         Merge from csl-arm-branch:
4865         2005-09-07  Paul Brook  <paul@codesourcery.com>
4866         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4867         space to string.
4868
4869         2005-04-30  Paul Brook  <paul@codesourcery.com>
4870         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4871         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4872
4873         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4874         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4875         (arm_override_options): Use TARGET_AAPCS_BASED.
4876         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4877         (PTRDIFF_TYPE): Use int for AAPCS.
4878         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4879         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4880         (DEFAULT_SHORT_ENUMS): Delete.
4881         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4882
4883         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4884         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4885         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4886         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4887
4888         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4889         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4890
4891         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4892         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4893
4894         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4895         * config.gcc (arm*-*-linux-gnueabi): Add it.
4896         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4897         redefining it.
4898         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4899         * config/arm/linux-eabi.h: New file.
4900         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4901         (LINUX_TARET_LINK_SPEC): Likewise.
4902         (LINK_SPEC): Use it.
4903         * config/arm/t-linux-eabi: New file.
4904
4905 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4906
4907         PR other/22202
4908         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4909         spaces.
4910         (PARAM_SMS_DFA_HISTORY): Likewise.
4911
4912 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4913
4914         PR middle-end/23150
4915         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4916         (load_register_parameters): Call it.
4917         (check_sibcall_argument_overlap_1): Likewise.
4918         (store_one_arg): Likewise.
4919
4920 2005-10-07  James E. Wilson  <wilson@specifix.com>
4921
4922         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4923         DImode not VECINT24 for operand 2.
4924
4925         PR target/23644
4926         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4927         -mtune-arch.
4928
4929         PR target/24193
4930         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4931         fr_spill): Use destination_operand for operand 0.
4932
4933 2005-10-07  DJ Delorie  <dj@redhat.com>
4934
4935         * varasm.c (output_constant): Limit error to expanding
4936         conversions.
4937
4938 2005-10-07  Richard Guenther  <rguenther@suse.de>
4939
4940         PR middle-end/24227
4941         * fold-const.c (fold_binary): Fix operand types during folding
4942         of X op (A, Y).  Evaluation order of the side-effects of
4943         X and A are frontend-defined, so ensure we honour that even for
4944         tcc_comparison class operands; eased by removing duplicate code.
4945
4946 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4947
4948         * stor-layout.c (layout_type): Do not allow alignment of array
4949         elements to be greater than their size.
4950
4951 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4952
4953         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4954         host_xmake_file.
4955         (hppa*-*-linux*): Ditto.
4956         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4957         * config/host-hpux.c: New.
4958         * config/x-hpux: New.
4959         * config/pa/x-hpux: Remove.
4960         * config/pa/x-linux: Remove.
4961         * config/pa/pa-host.c: Remove.
4962
4963 2005-10-07  Jeff Law  <law@redhat.com>
4964
4965         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4966         determine whether or not to try and thread outgoing edges.
4967
4968 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4969
4970         * config/rs6000/rs6000.md (eqsi_power): New.
4971         (neg_eq0si): Add TARGET_POWER to final condition.
4972         (neg_eqsi): Same.
4973
4974 2005-10-06  Richard Henderson  <rth@redhat.com>
4975
4976         * config/rs6000/rs6000.c: Revert last change.
4977
4978 2005-10-06  Richard Henderson  <rth@redhat.com>
4979
4980         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4981         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4982
4983 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4984
4985         PR middle-end/22216
4986         PR middle-end/23651
4987         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4988         out return_label and naked_return_label.
4989
4990 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4991
4992         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4993         change.
4994
4995 2005-10-06  Richard Henderson  <rth@redhat.com>
4996
4997         PR tree-opt/22237
4998         * tree-inline.c (declare_return_variable): Handle modify_dest not
4999         being a DECL.
5000
5001 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5002
5003         Fix PR tree-optimization/22488
5004         * tree-ssa-structalias.c (check_for_overlaps): New function.
5005         (create_variable_info_for): Use it.
5006
5007 2005-10-06  Richard Henderson  <rth@redhat.com>
5008
5009         PR debug/24070
5010         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5011         (dwarf2out_start_source_file): Print it.
5012
5013 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5014
5015         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5016
5017 2005-10-06  Richard Henderson  <rth@redhat.com>
5018
5019         PR 23706
5020         * mode-switching.c (optimize_mode_switching): Clear transp bit
5021         for block with incomming abnormal edges.
5022
5023         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5024         (fpscr_set_from_mem): Use them.
5025         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5026         (fpscr postinc splitters): Rewrite as peephole2+split.
5027
5028 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5029
5030         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5031         (eq<mode>_compare): Same.
5032
5033 2005-10-06  Richard Guenther  <rguenther@suse.de>
5034
5035         PR tree-optimization/24238
5036         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5037
5038 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5039
5040         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5041         here.  Use AC_PATH_PROG for environment variables instead of
5042         test -x.
5043         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5044         objdump also.
5045         * configure: Regenerated.
5046
5047 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5048
5049         PR target/23783
5050         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5051         then force it into a register.
5052         (call_value): Likewise.
5053
5054 2005-10-06  Richard Henderson  <rth@redhat.com>
5055
5056         PR 24049
5057         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5058         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5059         under pass_vectorize.
5060
5061 2005-10-05  Devang Patel  <dpatel@apple.com>
5062
5063         PR Debug/23205
5064         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5065         handling constants. Check NAMESPACE_DECL context for constants.
5066
5067 2005-10-05  Eric Christopher  <echristo@apple.com>
5068
5069         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5070
5071 2005-10-05  Richard Henderson  <rth@redhat.com>
5072
5073         PR 23714
5074         * tree-cfg.c (mark_array_ref_addressable_1): New.
5075         (mark_array_ref_addressable): New.
5076         * tree-flow.h (mark_array_ref_addressable): Declare.
5077         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5078
5079 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5080
5081         PR middle-end/20606
5082         PR middle-end/24069
5083         * reload.c (subst_reloads): When adding a REG_LABEL to a
5084         jump instruction, also update JUMP_LABEL.
5085
5086 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5087
5088         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5089         * bb-reorder.c (copy_bb_p): Use it.
5090         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5091
5092 2005-10-05  Richard Henderson  <rth@redhat.com>
5093
5094         PR target/23602
5095         * toplev.c (process_options): Warn about unsupported combinations
5096         of unwind tables and omit-frame-pointer.
5097         * config/i386/i386.c (override_options): Similarly.  Enable
5098         accumulate-outgoing-args if not explicitly disabled.
5099
5100 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5101
5102         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5103         Handle big endian vs. small endian.
5104         (vec_initv2sf): Handle big endian vs. small endian.
5105         (*vec_extractv2sf_1): Ditto.
5106
5107 2005-10-05  Dale Johannesen  <dalej@apple.com>
5108
5109         * convert.c (convert_to_real):  Don't convert
5110         (float)floor(double d) to floorf((float)d).
5111
5112 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5113
5114         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5115
5116 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5117
5118         PR tree-optimization/18587
5119         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5120         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5121         build_vuses): Change to VEC type.
5122         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5123         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5124         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5125         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5126         (get_name_decl): New.  Return DECL_UID of base variable.
5127         (operand_build_cmp): New.  qsort comparison routine.
5128         (operand_build_sort_virtual): New.  Sort virtual build vector.
5129         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5130         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5131         (FINALIZE_BASE): Use get_name_decl.
5132         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5133         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5134         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5135         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5136         direct VEC_* manipulations.
5137         (build_ssa_operands): Call operand_build_sort_virtual.
5138         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5139         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5140         with direct VEC_* manipulations.
5141         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5142         with direct VEC manipulations.
5143
5144 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5145
5146         PR tree-optimization/21419
5147         PR tree-optimization/24146
5148         PR tree-optimization/24151
5149
5150         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5151         (build_asm_expr): Call it if outputs are read-only.
5152         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5153
5154 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5155             Paolo Bonzini  <bonzini@gnu.org>
5156
5157         PR target/23809
5158
5159         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5160         enable the instructions and not just the built-ins.
5161         * doc/invoke.texi (x86 Options): Likewise.
5162
5163 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5164
5165         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5166
5167         * doc/invoke.texi (Option Summary): Correct spelling
5168         of -mmacosx-version-min.
5169
5170 2005-10-04  Devang Patel  <dpatel@apple.com>
5171
5172         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5173         real types.
5174
5175 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5176
5177         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5178         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5179
5180 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5181
5182         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5183         ("TE","tg"): New mode attributes.
5184         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5185         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5186         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5187         dword_mode and one for GPRmode.
5188
5189 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5190
5191         PR preprocessor/13726
5192         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5193         any comments passed in.
5194
5195 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5196
5197         * tree.c (annotate_with_file_line): Fix typo.
5198
5199 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5200
5201         PR ada/19382
5202         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5203         type used to access data in the inlined length == 1 case, use
5204         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5205         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5206
5207 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5208
5209         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5210         TARGET_SSE3 and only for TARGET_80387.
5211         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5212         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5213         Do not depend on TARGET_80387.
5214
5215 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5216
5217         * tree.c (last_annotated_node): Change type to location_t*.
5218         (annotate_with_file_line): Reflect the change of
5219         last_annotated_node type.
5220
5221 2005-10-04  Richard Guenther  <rguenther@suse.de>
5222
5223         PR c/23576
5224         * c-decl.c (grokdeclarator): Don't write to fields
5225         of error_mark_node.
5226
5227 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5228
5229         PR middle-end/23125
5230         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5231         register variables.
5232         * varasm.c (make_decl_rtl): If a register variable does not
5233         have a set user assmbler name, error out.
5234         Decode the asmspec is now name+1 bypassing '*'.
5235
5236 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5237
5238         PR tree-optimization/23049
5239         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5240         of a COND_EXPR is folded before calling fold on the whole rhs of a
5241         conditional assignment.
5242         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5243         document that a COND_EXPR may appear there.
5244
5245 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5246
5247         PR 23445
5248         * tree-vrp.c (extract_range_from_assert): If the new numeric
5249         range created out of the assertion contradicts the existing
5250         numeric range of the ASSERT_EXPR variable, make the new range
5251         varying.
5252
5253 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5254
5255         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5256         from T_REGS to FP register class.
5257
5258 2005-10-03  Richard Henderson  <rth@redhat.com>
5259
5260         PR 24135
5261         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5262         before creating a new one.
5263
5264 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5265
5266         * config/rs6000/t-aix43 (LDFLAGS): New.
5267         * config/rs6000/t-aix52 (LDFLAGS): New.
5268
5269 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5270
5271         * gimplify.c (find_single_pointer_decl_1): New static function.
5272         (find_single_pointer_decl): New static function.
5273         (internal_get_tmp_var): For a formal variable, set restrict base
5274         information if appropriate.
5275         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5276         return it.
5277         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5278         (DECL_GET_RESTRICT_BASE): Define.
5279         (SET_DECL_RESTRICT_BASE): Define.
5280         (decl_restrict_base_lookup): Declare.
5281         (decl_restrict_base_insert): Declare.
5282         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5283         * tree.c (restrict_base_for_decl): New static variable.
5284         (init_ttree): Initialize restrict_base_for_decl.
5285         (copy_node_stat): Copy restrict base information.
5286         (decl_restrict_base_lookup): New function.
5287         (decl_restrict_base_insert): New function.
5288         (print_restrict_base_statistics): New static function.
5289         (dump_tree_statistics): Call print_restrict_base_statistics.
5290
5291 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5292
5293         PR 24142
5294         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5295         case of anti-ranges.
5296
5297 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5298
5299         PR c/18851
5300         * c-typeck.c (tagged_tu_seen): Rename to ...
5301         (tagged_tu_seen_cache): this and add val field.
5302         (comptypes): Move functional to comptypes_internal
5303         and free tagged_tu_seen.
5304         (comptypes_internal): New function and call comptypes_internal
5305         instead of comptypes. Speed up by sibcalling
5306         tagged_types_tu_compatible_p.
5307         (alloc_tagged_tu_seen): New function
5308         (free_all_tagged_tu_seen_up_to): New function.
5309         (tagged_types_tu_compatible_p): Return the val of the seen two
5310         types.
5311         Add that the two types are the same to tagged_tu_seen_base
5312         if they are and call comptypes_internal instead of comptypes.
5313         <case UNION_TYPE>: Speed up common type where the fields are
5314         in the same order.
5315         (function_types_compatible_p): Call comptypes_internal instead of
5316         comptypes.
5317         (type_lists_compatible_p): Likewise.
5318         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5319
5320 2005-10-02  Matthias Klose  <doko@debian.org>
5321
5322         * doc/invoke.texi: Fix typo and speling error.
5323
5324 2005-10-01  Richard Henderson  <rth@redhat.com>
5325
5326         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5327
5328 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5329
5330         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5331         using --start-group and --end-group.
5332
5333 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5334
5335         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5336         FIXME note regarding quirky semantics.
5337
5338 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5339
5340         PR 24141
5341         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5342         non-null range as a last resort.
5343
5344 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5345             Diego Novillo  <dnovillo@redhat.com>
5346
5347         PR 23604
5348         * tree-vrp.c (extract_range_from_assert): For !=
5349         assertions, only build an anti-range if LIMIT is a
5350         single-valued range.
5351
5352 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5353
5354         * arm.md (movqi): On thumb when optimizing, handle loading from
5355         memory by describing this as taking a subreg of a zero-extended load
5356         into an SImode register.
5357         (movhi): Likewise.
5358
5359 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5360
5361         * reload1.c (merge_assigned_reloads): Do not change any
5362         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5363
5364 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5365
5366         * Makefile.in (LIPO_FOR_TARGET): Define.
5367         (STRIP_FOR_TARGET): Define.
5368
5369         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5370         before creating new ones.  Do symlinks before creating the actual
5371         targets.
5372
5373         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5374         to work out which multilibs are actually being built.
5375
5376 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5377
5378         * tree-vect-transform.c, config/ms1/ms1.md,
5379         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5380         Follow spelling conventions.
5381         * doc/invoke.texi, doc/md.texi: Fix typos.
5382
5383 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5384
5385         PR tree-optimization/21430
5386         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5387         use operands, and set stmt pointer if need be.
5388         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5389         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5390         present.
5391
5392 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5393
5394         PR middle-end/24053
5395         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5396
5397 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5398
5399         * optabs.c (expand_binop): Initialize first_pass_p.
5400
5401 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5402
5403         PR middle-end/24109
5404         * c-decl.c (c_write_global_declarations_1): If any
5405         wrapup_global_declaration_2 call returned true, restart the loop.
5406
5407 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5408
5409         Fix PR tree-optimization/24117
5410         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5411         before considering whether to use anyoffset.
5412
5413 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5414
5415         Revert this patch:
5416
5417         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5418
5419         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5420         to order operands.
5421         (swap_commutative_operands_with_target): New.
5422
5423 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5424
5425         PR c/21419
5426         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5427         read-only.
5428
5429 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5430
5431         PR tree-optimization/23911
5432         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5433         and IMAGPART_EXPR too.
5434
5435 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5436
5437         PR 17886
5438         * expmed.c (expand_shift): Move logic to reverse rotation
5439         direction when  rotating by constants ...
5440         * optabs.c (expand_binop): ... here.
5441         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5442         (ix86_rotrdi3): New pattern.
5443         (rotldi3): Handle 32-bit mode.
5444         (ix86_rotldi3): New pattern.
5445
5446 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5447
5448         PR target/24102
5449         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5450         check for numbers that need no bit twiddle.
5451
5452 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5453
5454         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5455         multilib to be built.
5456
5457         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5458         (stage1-start): Delete old libgcc and libunwind before moving
5459         anything into the stage directory.
5460         (stage2-start): Likewise.
5461         (stage3-start): Likewise.
5462         (stage4-start): Likewise.
5463         (stageprofile-start): Likewise.
5464         (stagefeedback-start): Likewise.
5465         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5466         header in tm_file and CPU-specific t-darwin in tmake_file.
5467         (i[34567]86-*-darwin*): Don't change tm_file.
5468         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5469         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5470         shared library stub for target OS version.
5471         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5472         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5473         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5474         (libgcc_s.%.dylib): New.
5475         (LIBGCC): Define.
5476         (install-darwin-libgcc-stubs): New.
5477         (INSTALL_LIBGCC): New append.
5478         * config/i386/darwin-libgcc.10.4.ver: New.
5479         * config/i386/darwin-libgcc.10.5.ver: New.
5480         * config/i386/t-darwin: New.
5481         * config/rs6000/darwin-libgcc.10.4.ver: New.
5482         * config/rs6000/darwin-libgcc.10.5.ver: New.
5483         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5484         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5485
5486 2005-09-28  Paul Brook  <paul@codesourcery.com>
5487
5488         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5489         denormals.
5490
5491 2005-09-28  Richard Guenther  <rguenther@suse.de>
5492
5493         PR tree-optimization/23853
5494         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5495         host_integerp to verify misalignment value.
5496
5497 2005-09-28  Richard Henderson  <rth@redhat.com>
5498
5499         * builtins.c (get_builtin_sync_mode): New.
5500         (expand_builtin_sync_operation): Pass in mode argument.
5501         (expand_builtin_compare_and_swap): Likewise.
5502         (expand_builtin_lock_test_and_set): Likewise.
5503         (expand_builtin_lock_release): Likewise.
5504         (expand_builtin): Update to match.
5505
5506 2005-09-28  Nick Clifton  <nickc@redhat.com>
5507
5508         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5509         formatting.  Add check to PLUS case to ensure that the offset is
5510         within an acceptable range.
5511
5512         * config/v850/v850.md (casesi): Disable the generation of the
5513         switch pattern as it is not being handled properly at the moment.
5514
5515         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5516         for when the high words are identical.
5517
5518 2005-09-27  Richard Henderson  <rth@redhat.com>
5519
5520         * pretty-print.c (pp_base_format): Fix typo for %>.
5521
5522 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5523             Devang Patel  <dpatel@apple.com>
5524
5525         PR tree-optimization/23625
5526         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5527         LABEL_EXPR, assertion check.
5528
5529 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5530
5531         * optabs.c (no_conflict_move_test): Check if a result of a
5532         to-be-moved insn would be clobbered by an originally
5533         preceding insn.
5534
5535 2005-09-27  Jeff Law  <law@redhat.com>
5536
5537         * passes.c (init_optimization_passes): Replace copy propagation
5538         passes immediately after DOM with phi-only copy propagation
5539         pases.  Add phi-only copy propagation pass after first DOM pass.
5540         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5541         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5542         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5543         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5544         to init_copy_prop.  Callers updated.
5545         (do_phi_only_copy_prop): New function.
5546         (pass_phi_only_copy_prop): New pass descriptor.
5547
5548 2005-09-27  Nick Clifton  <nickc@redhat.com>
5549
5550         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5551
5552 2005-09-26  Jason Merrill  <jason@redhat.com>
5553
5554         PR c++/13764
5555         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5556
5557         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5558
5559 2005-09-26  James E Wilson  <wilson@specifix.com>
5560
5561         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5562         copyright.  Add gcc copyright plus libgcc exception.
5563         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5564         copyright.
5565         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5566
5567 2005-09-26  Jeff Law  <law@redhat.com>
5568
5569         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5570         about when to iterate.
5571
5572 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5573
5574         PR target/23847
5575         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5576         for __complex__ double in -mcpu=G5 mode.
5577
5578 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5579
5580         PR tree-optimization/23942
5581         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5582         * tree-scalar-evolution.c: Include params.h.
5583         (t_bool): New enum.
5584         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5585         follow_ssa_edge_in_condition_phi_branch,
5586         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5587         Change return type to t_bool.  Use a parameter to limit the size of
5588         trees that are walked before stopping
5589         (analyze_evolution_in_loop): Initialize the limit to 0.
5590         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5591         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5592
5593 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5594
5595         PR middle-end/23831
5596         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5597         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5598
5599 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5600
5601         * combine.c (make_extraction): Check for valid use of subreg.
5602
5603 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5604
5605         PR target/24055
5606         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5607         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5608         ("fist<mode>2_with_temp"): Use only register operands.
5609
5610 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5611
5612         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5613         CALL_INSN_FUNCTION_USAGE.
5614
5615 2005-09-26  Richard Guenther  <rguenther@suse.de>
5616
5617         PR middle-end/15855
5618         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5619         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5620         (ldst_entry): Use the hashtable instead of list-walking.
5621         (find_rtx_in_ldst): Likewise.
5622         (free_ldst_entry): Free the hashtable.
5623         (compute_ld_motion_mems): Create the hashtable.
5624         (trim_ld_motion_mems): Remove entry from hashtable if
5625         removing it from list.
5626         (compute_store_table): Likewise^2.
5627         (store_motion): Free hashtable in case we did not see
5628         any stores.
5629
5630 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5631
5632         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5633         and arg1 if we are passing them to fold_build2.
5634
5635 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5636
5637         PR 23828
5638         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5639         a nested function.
5640
5641 2005-09-25  Richard Henderson  <rth@redhat.com>
5642
5643         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5644         SYMBOL_REF_TLS_MODEL to be correct.
5645
5646 2005-09-24  Richard Henderson  <rth@redhat.com>
5647
5648         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5649         end of function.  Reindent.
5650
5651 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5652
5653         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5654         NEGATE_EXPR/BIT_NOT_EXPR case.
5655
5656 2005-09-24  Richard Henderson  <rth@redhat.com>
5657
5658         * c-common.c (handle_mode_attribute): When not modifying in place,
5659         create subtypes for enumerations.
5660         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5661         * gimplify.c (create_tmp_from_val): Likewise.
5662
5663 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5664
5665         * config/i386/i386.md (*tls_global_dynamic_64,
5666         *tls_local_dynamic_base_64): Add missing mode to call.
5667         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5668
5669 2005-09-24  Jan Hubicka  <jh@suse.cz>
5670
5671         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5672         (cgraph_clone_node): Likewise.
5673         * cgraph.h (cgraph_clone_edge): Update prototype.
5674         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5675         duplicated prototypes; add updating argument.
5676         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5677         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5678         updating profile.
5679         (cgraph_mark_inline_edge): Likewise.
5680         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5681         (cgraph_flatten_node): Likewise.
5682         (cgraph_decide_recursive_inlining): Likewise.
5683         (cgraph_decide_inlining_of_small_function): Likewise.
5684         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5685
5686 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5687             Pete Steinmetz <steinmtz@us.ibm.com>
5688
5689         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5690         (rldic.): Set type to "compare".
5691         (rldicr.): Same.
5692         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5693         mfjmpr for MFCTR/MFLR.
5694         (movdf_hardfloat64): Same.
5695         (movdf_softfloat64): Same.  Correct order of store and move types.
5696         (movti_string): Set type to store_ux/load_ux.
5697         (load_multiple): Set type to load_ux.
5698         (store_multiple): Set type to store_ux.
5699         (movmemsi): Set type to store_ux.
5700         (output_cbranch direct_return): Set type to jmpreg.
5701         (stmw): Set type to store_ux.
5702         (lmw): Set type to load_ux.
5703         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5704         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5705         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5706         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5707         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5708         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5709         (rios1-fpstore): Increase latency to 3.
5710         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5711         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5712
5713 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5714             Andrew Pinski  <pinskia@physics.uc.edu>
5715
5716         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5717         operand2 constraint to "b".
5718         (sync_<fetchop_name>di_internal): Same.
5719         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5720         to "b".
5721         (sync_old_<fetchop_name>di_internal): Same.
5722         (sync_new_<fetchop_name>si_internal): Same.
5723         (sync_new_<fetchop_name>di_internal): Same.
5724
5725 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5726
5727         PR middle-end/23991
5728         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5729         case, define as macros.
5730
5731         PR rtl-optimization/23837
5732         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5733         clobber / clobber match between dest and p->first.
5734
5735         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5736         (no_conflict_move_test): Update comments.
5737
5738 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5739
5740         * doc/install.texi: Update URL for Jacks.
5741         * doc/sourcebuild.texi: Likewise.
5742
5743 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5744
5745         PR target/24007
5746         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5747         registers when choosing register preferences.
5748         (movdf_hardfloat64): Same.
5749
5750 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5751
5752         * expmed.c (expand_shift): Don't use the target of the rotate as
5753         target for the first expanded shift insn.
5754         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5755
5756 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5757
5758         PR tree-optimization/22438
5759         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5760         preserved iv rhs rewriting specially.
5761
5762 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5763
5764         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5765         estimate_only  is true.
5766         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5767         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5768         tree-ssa-structalias.c
5769         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5770         ref_contains_indirect_ref.
5771         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5772
5773 2005-09-21  DJ Delorie  <dj@redhat.com>
5774
5775         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5776         MASK_PTR_A0D0.
5777         (mn10300_return_in_memory): Support variable size types also.
5778         (mn10300_pass_by_reference): Likewise.
5779         (mn10300_function_value): New.
5780         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5781         (FUNCTION_OUTGOING_VALUE): Likewise.
5782         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5783         * doc/invoke.texi: Document it.
5784
5785 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5786
5787         PR target/22585
5788         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5789         force integer op1 into register for XFmode compares.
5790
5791 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5792
5793         PR middle-end/23971
5794         * expmed.c (alg_code): Add alg_impossible.
5795         (alg_hash_entry): Add cost.
5796         (synth_mult): Record alg_impossible in the hash table if
5797         multiplication by a given integer is impossble within the
5798         limit.  Speed up using alg_impossible.
5799
5800 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5801
5802         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5803         argument.  Allow and set any offset if needs_anyoffset is passed
5804         in.
5805         (get_constraint_for): Add argument here too.
5806         Pass it down.
5807         (do_structure_copy): Pass NULL to get_constraint_for.
5808         (handle_ptr_arith): Ditto.
5809         (find_func_aliases): Ditto.
5810
5811 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5812
5813         PR rtl-optimization/23898
5814         * output.h (get_attr_min_length): Declare.
5815         * final.c (get_attr_length_1): New function, broken out of:
5816         (get_attr_length).
5817         (get_attr_min_length): New function.
5818         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5819         (duplicate_computed_gotos): Likewise.
5820         * genattr.c (insn_min_length): Generate declaration.
5821         * genattrtab.c (min_fn, min_attr_value): New functions.
5822         (make_length_attrs): Generate insn_min_length.
5823
5824 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5825
5826         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5827
5828 2005-09-20  Richard Henderson  <rth@redhat.com>
5829
5830         PR tree-optimization/24059
5831         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5832         EXPAND_STACK_PARM.
5833
5834 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5835
5836         * c.opt (fextended-identifiers): New.
5837         * c-opts.c (c_common_handle_option): Handle
5838         -fextended-identifiers.
5839         * doc/cpp.texi: Update documentation of extended identifiers.
5840         * doc/cppopts.texi (-fextended-identifiers): Document.
5841
5842 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5843
5844         PR tree-optimization/23929
5845         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5846         if expr is NULL.
5847
5848         PR tree-optimization/23818
5849         * tree-stdarg.c (execute_optimize_stdarg): Call
5850         calculate_dominance_info.
5851
5852 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5853
5854         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5855         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5856         (compute_overlap_steps_for_affine_1_2): Use
5857         get_number_of_iters_for_loop.
5858         (analyze_subscript_affine_affine): Check whether difference is
5859         zero first.
5860         Use get_number_of_iters_for_loop.
5861         Check whether overlap occurs outside of bounds.
5862         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5863
5864 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5865
5866         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5867         base register if possible.
5868
5869 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5870
5871         PR tree-optimization/18463
5872         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5873         converting it directly is not possible.
5874         (chrec_convert_aggressive): New function.
5875         * tree-chrec.h (chrec_convert_aggressive): Declare.
5876         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5877         Fold chrec conversions aggressively if asked to.
5878         (instantiate_parameters): Modified because of changes in
5879         instantiate_parameters_1.
5880
5881 2005-09-19  Richard Henderson  <rth@redhat.com>
5882
5883         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5884         (reduc_splus_v2df): New.
5885
5886 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5887
5888         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5889         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5890
5891 2005-09-19  Richard Henderson  <rth@redhat.com>
5892
5893         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5894         vcondu<SSEMODE12>.
5895
5896 2005-09-19  Richard Henderson  <rth@redhat.com>
5897
5898         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5899         (ia64_expand_dot_prod_v8qi): New.
5900         * config/ia64/ia64-protos.h: Update.
5901         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5902         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5903         sdot_prodv8qi, sdot_prodv4hi): New.
5904         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5905
5906 2005-09-19  Richard Henderson  <rth@redhat.com>
5907
5908         PR 23941
5909         * real.c (exact_real_truncate): Return false if the format cannot
5910         represent the number as a normal.
5911
5912         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5913         for a memory source.
5914
5915 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5916
5917         * tree-ssa-operands.c (swap_tree_operands): Export.
5918         * tree.h (swap_tree_operands): Declare.
5919         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5920         Call swap_tree_operands.
5921
5922 2005-09-19  Richard Henderson  <rth@redhat.com>
5923
5924         * tree-flow.h (merge_alias_info): Declare.
5925         * tree-ssa-copy.c (merge_alias_info): Export.
5926         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5927         (vect_create_data_ref_ptr): Use create_iv directly.
5928         (vectorizable_load): Use correct types for integer constants.
5929         (vect_generate_tmps_on_preheader): Likewise.
5930         (vect_gen_niters_for_prolog_loop): Likewise.
5931
5932 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5933
5934         PR rtl-optimization/23943
5935         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5936
5937 2005-09-18  Jan Hubicka  <jh@suse.cz>
5938
5939         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5940
5941 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5942
5943         * varasm.c (output_constant): Do not abort on conversions to union
5944         types between different sizes.
5945
5946 2005-09-18  Richard Guenther  <rguenther@suse.de>
5947
5948         PR middle-end/23944
5949         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5950         fallback.
5951
5952 2005-09-18  Paul Brook  <paul@codesourcery.com>
5953
5954         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5955
5956 2005-09-17  Richard Henderson  <rth@redhat.com>
5957
5958         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5959         * tree-ssa-loop.c (pass_vect_dce): Remove.
5960         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5961         of pass_vectorize.
5962
5963 2005-09-17  Richard Henderson  <rth@redhat.com>
5964
5965         * tree-pass.h (pass_vect_dce): Declare.
5966         * passes.c (init_optimization_passes): Add it.
5967         * tree-flow.h (tree_ssa_dce): Declare.
5968         * tree-ssa-dce.c (tree_ssa_dce): Export.
5969         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5970         (gate_tree_vectorize): ... here.
5971         (pass_vect_dce): New.
5972
5973 2005-09-17  Jan Hubicka  <jh@suse.cz>
5974
5975         * except.c (struct eh_status): Turn region_array into vec.
5976         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5977         convert_from_eh_region_ranges, find_exception_handler_labels,
5978         current_function_has_exception_handlers, assign_filter_values,
5979         build_post_landing_pads, dw2_build_landing_pads,
5980         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5981         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5982         foreach_reachable_handler, can_throw_internal_1,
5983         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5984         region_array.
5985         (duplicate_eh_region_1): Update region_array.
5986         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5987
5988 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5989
5990         PR middle-end/22067
5991         * expmed.c (expand_mult): Substitute simple register for op0 when
5992         computing max_cost.
5993
5994 2005-09-17  Richard Henderson  <rth@redhat.com>
5995
5996         * expr.c (emit_move_via_integer): Add force argument, pass it on
5997         to emit_move_change_mode.  Update callers.
5998         (emit_move_complex): Pass true to new force argument.
5999         * function.c (expand_function_end): Move expand_eh_return call
6000         earlier.  Merge sub-word complex values into a pseudo before
6001         copying to the return hard register.
6002
6003 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6004
6005         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6006         between different sizes.
6007
6008 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6009
6010         PR 23903
6011
6012         * passes.c (init_optimization_passes): Register dump files for
6013         IPA passes first.
6014
6015 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6016
6017         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6018         * config/s390/s390.c (s390_overlap_p): New function.
6019         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6020         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6021         condition.
6022
6023 2005-09-16  Richard Guenther  <rguenther@suse.de>
6024
6025         * ipa-pure-const.c (static_execute): Free auxiliar information.
6026         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6027         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6028
6029 2005-09-15  DJ Delorie  <dj@redhat.com>
6030
6031         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6032
6033 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6034
6035         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6036         to order operands.
6037         (swap_commutative_operands_with_target): New.
6038
6039 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6040
6041         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6042         parameter.
6043         Update callers.
6044         (estimate_iters_using_array): New function.
6045         * tree-data-ref.h (estimate_iters_using_array): Prototype
6046         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6047         Use estimate_iters_using_array instead of analyze_array.
6048
6049 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6050
6051         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6052         as addressable.
6053
6054 2005-09-15  Michael Matz  <matz@suse.de>
6055
6056         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6057
6058 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6059
6060         PR tree-optimization/23835
6061         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6062         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6063
6064 2005-09-14  Richard Henderson  <rth@redhat.com>
6065
6066         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6067         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6068
6069 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6070
6071         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6072         in the ARRAY_TYPE case.
6073
6074 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6075
6076         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6077
6078 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6079
6080         PR middle-end/22480
6081         * tree-vect-transform.c (vectorizable_operation): Return false for
6082         scalar shift operations and for vector shift operations with
6083         non-invariant shift arguments.  Use scalar tree operand op1 as
6084         a shift operand when vector shift insn pattern uses scalar shift
6085         operand.
6086         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6087
6088 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6089
6090         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6091         value if it has side-effects.
6092
6093 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6094
6095         PR target/22068
6096         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6097
6098 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6099
6100         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6101         passed as NAME as if it were label at start of function code.
6102
6103 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6104
6105         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6106         the constraints.
6107
6108 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6109
6110         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6111         as early clobber.  Rewrite so the PIC register is not implicitly used.
6112
6113 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6114
6115         * tree.c (annotate_with_file_line): Compare line numbers before
6116         file names.
6117
6118 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6119
6120         PR target/23816
6121         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6122         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6123
6124 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6125
6126         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6127         than a HOST_WIDEST_INT to gen_doloop_begin.
6128
6129 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6130
6131         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6132
6133 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6134
6135         PR tree-optimize/23817
6136         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6137
6138 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6139
6140         PR target/23774
6141         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6142         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6143         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6144         (restore_stack_nonlocal): Likewise.
6145         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6146
6147 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6148
6149         PR g++/7874
6150         * c.opt (ffriend-injection): New C++ option.
6151         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6152         (C++ Dialect Options): Document -ffriend-injection.
6153
6154 2005-09-12  Josh Conner  <jconner@apple.com>
6155
6156         PR middle-end/23237
6157         * ipa-reference.c (static_execute): Don't mark variables in
6158         named sections TREE_READONLY.
6159
6160 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6161
6162         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6163         stack_tie.
6164
6165 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6166
6167         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6168         V_MUST_DEF instead of just the first_use_p.
6169         Don't mark the virtual variables for renaming on the statement which
6170         is being removed.
6171         (pass_dse): Remove TODO_update_ssa.
6172
6173 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6174
6175         PR middle-end/23290
6176         * stor-layout.c (compute_record_mode): For records with a single
6177         field, actually check the field's mode size against the type size.
6178
6179         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6180         registers for TARGET_SHMEDIA.
6181         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6182         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6183         of GENERAL_REGS and FP_REGS.
6184
6185 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6186
6187         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6188
6189 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6190
6191         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6192         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6193         are omitted.  Exclude stack_tie insn too.
6194
6195 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6196
6197         PR rtl-optimization/23098
6198         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6199         0.0f is easy.
6200         * config/rs6000/rs6000.md (movdf splitter): Use
6201         const_double_operand predicate for TARGET_POWERPC64.
6202         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6203         SYMBOL_REF method to ABI_V4.
6204
6205         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6206         replace_equiv_address.
6207         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6208         rs6000_sr_alias_set and MEM_NOTRAP.
6209         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6210
6211 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6212
6213         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6214         handle CALL_EXPR again.
6215
6216 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6217
6218         * arm/predicates.md (alignable_memory_operand): Delete.
6219
6220 2005-09-10  Richard Henderson  <rth@redhat.com>
6221
6222         PR debug/23806
6223         * dbxout.c (dbxout_expand_expr): New.
6224         (dbxout_symbol): Use it.
6225
6226 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6227
6228         * arm.c (arm_gen_rotated_half_load): Delete.
6229         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6230         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6231         (thumb_set_return_address): Likewise.
6232         (thumb_load_double_from_address): Use adjust_address.
6233         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6234         (extendhsisi2_mem, movhi_bytes): Use change_address.
6235         (movhi): Use widen_memory_access.
6236         (reload_out_df): Use replace_equiv_address.
6237         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6238
6239 2005-09-09  Richard Henderson  <rth@redhat.com>
6240
6241         PR debug/20998
6242         * dbxout.c: Include expr.h.
6243         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6244         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6245         * Makefile.in (dbxout.o): Add EXPR_H.
6246
6247 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6248
6249         PR tree-optimization/23509
6250         * tree-cfg.c (replace_uses_by): Use replace_exp.
6251         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6252         pointers have name_mem_tag or type_mem_tag set.
6253
6254 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6255
6256         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6257         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6258         of wrongly accessing operands.
6259
6260 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6261
6262         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6263         * tree-chrec.c: Include tree-scalar-evolution.h.
6264         (chrec_convert): Instantiate the base and step before calling
6265         scev_probably_wraps_p that would fail on parametric evolutions.
6266         Collect all the fails into a single section failed_to_convert,
6267         print a diagnostic, and return chrec_dont_know instead of calling
6268         fold_convert.
6269         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6270         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6271         phi nodes.
6272         (scev_const_prop): Don't replace the definition of a loop closed ssa
6273         phi node by itself, or by another loop closed ssa phi node.
6274         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6275         that base and step are defined.
6276
6277 2005-09-09  Richard Guenther  <rguenther@suse.de>
6278
6279         PR c++/23624
6280         * fold-const.c (fold_ternary): Check truth_value_p before
6281         calling invert_truthvalue.
6282
6283 2005-09-09  Nick Clifton  <nickc@redhat.com>
6284
6285         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6286         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6287         dimension of these arrays.
6288         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6289         these arrays.
6290         * longlong.h: Only provide a prototype for the __clz_tab[] array
6291         if this header has not been included from libgcc2.h.
6292         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6293         defining own types.
6294         Provide prototypes for exported functions.
6295         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6296         libgcc2.c.
6297
6298 2005-09-08  Josh Conner  <jconner@apple.com>
6299
6300         PR c++/21135
6301         PR c++/23180
6302         * expr.c (expand_expr_addr_expr_1): Don't invoke
6303         expand_simple_binop for EXPAND_INITIALIZER.
6304
6305 2005-09-08  Richard Henderson  <rth@redhat.com>
6306
6307         PR debug/23190
6308         * toplev.c (wrapup_global_declaration_1): Split out ...
6309         (wrapup_global_declaration_2): ... from ...
6310         (wrapup_global_declarations): ... here.  Return bool.
6311         (check_global_declaration_1): Split out ...
6312         (check_global_declarations): from here.
6313         (emit_debug_global_declarations): New.
6314         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6315         check_global_declaration_1, emit_debug_global_declarations): Declare.
6316         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6317         of decls.  Call wrapup_global_declaration_1,
6318         wrapup_global_declaration_2, check_global_declaration_1 directly.
6319         (c_write_global_declarations_2): New.
6320         (ext_block): New.
6321         (c_write_global_declarations): Call c_write_global_declarations_2.
6322         * langhooks.c (write_global_declarations): Call
6323         emit_debug_global_declarations.
6324
6325         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6326         remove decls that have DECL_RTL_SET_P.
6327         * passes.c (rest_of_decl_compilation): Invoke
6328         cgraph_varpool_finalize_decl for all but functions.
6329
6330 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6331
6332         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6333         the result of a conversion if the new min and max cannot be compared.
6334
6335 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6336
6337         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6338         (override_options): Setting s390_sr_alias_set removed.
6339         (save_fpr, save_gprs): Set alias set to vararg or frame.
6340         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6341         s390_sr_alias_set with get_frame_alias_set ().
6342         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6343         get_varargs_alias_set ().
6344
6345 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6346
6347         PR objc/20574
6348         PR objc/19324
6349         * c-parser.c (c_parser_objc_method_definition): If the next
6350         token is not "{", error out and don't start the function.
6351
6352 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6353
6354         * tree-vrp.c (extract_range_from_expr): Move the check for non
6355         nullness after the check for gimple invariant.
6356
6357 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6358
6359         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6360
6361 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6362
6363         PR target/23747
6364         * config/m32r.md (movmemsi_internal): Canonicalize order of
6365         operands in PLUS component of template.
6366
6367 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6368
6369         * reload1.c (fixup_eh_region_note): Remove assertion.
6370         (fixup_abnormal_edges): Reverted removal of call to
6371         find_many_sub_basic_blocks made on 2005-08-31.
6372
6373 2005-09-07  Richard Henderson  <rth@redhat.com>
6374
6375         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6376         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6377         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6378         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6379         rearrange for better packing.
6380         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6381         (lookup_cfa_1): Remove inline marker.
6382         (cfa_equal_p): Split out of ...
6383         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6384         (build_cfa_loc): Handle !cfa->indirect.
6385         (frame_pointer_cfa_offset): New.
6386         (dbx_reg_number): Assert register elimination performed; do
6387         leaf register remapping.
6388         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6389         (eliminate_reg_to_offset): New.
6390         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6391         for verifiably local stack frame addresses; re-base to CFA.
6392         (mem_loc_descriptor): Remove can_use_fbreg argument.
6393         (concat_loc_descriptor, loc_descriptor): Likewise.
6394         (containing_function_has_frame_base): Remove.
6395         (rtl_for_decl_location): Don't do register elimination or
6396         leaf register remapping here.
6397         (secname_for_decl): Split out from ..
6398         (add_location_or_const_value_attribute): ... here.
6399         (convert_cfa_to_loc_list): New.
6400         (compute_frame_pointer_to_cfa_displacement): New.
6401         (gen_subprogram_die): Use them.
6402         * tree.h (frame_base_decl): Remove.
6403         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6404         (prologue_stack_adjust): Remove.
6405         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6406         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6407         (set_frame_base_location): Remove.
6408         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6409         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6410         (vt_add_function_parameters): Don't eliminate_regs.
6411         (vt_initialize): Don't create frame_base_decl.
6412
6413 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6414
6415         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6416         version of GNU binutils for 4.x and later.
6417
6418 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6419
6420         * ggc-page.c (ggc_push_context): Remove.
6421         (ggc_pop_context): Likewise.
6422         * ggc.h (ggc_push_context): Remove.
6423         (ggc_pop_context): Likewise.
6424
6425 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6426
6427         PR target/8973
6428         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6429         returning from an interrupt handler.
6430
6431 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6432
6433         PR target/8972
6434         * config/arc/arc.c (output_shift): Add check for loop count when
6435         optimizing.
6436
6437 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6438
6439         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6440         form manually.
6441         (abs_replacement): Likewise.
6442         (pass_phiopt): Remove TODO_update_ssa.
6443
6444 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6445
6446         PR c/23075
6447         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6448         if "return with no value, in function returning non-void" warning
6449         has been issued.
6450         * tree-cfg.c (execute_warn_function_return): Don't look at
6451         RETURN_EXPRs with TREE_NO_WARNING set.
6452
6453         PR target/22362
6454         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6455         for internal functions doesn't use registers used by global registers
6456         variables.  Use fewer register parameters if there are global register
6457         variables.
6458
6459 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6460             Eric Botcazou  <ebotcazou@adacore.com>
6461
6462         PR middle-end/14997
6463         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6464         when we would be extracting outside its bit span (bitpos+bitsize
6465         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6466         Ada unchecked conversions.
6467
6468 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6469
6470         * tree-ssa-pre.c (try_look_through_load): New function.
6471         (compute_avail): Use it to try to look through loads for some
6472         more useful expressions.
6473
6474 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6475
6476         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6477         condition for detecting cases like (a&a) and (a^a).
6478
6479 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6480
6481         * common.opt: Add option ftree-vect-loop-version.
6482         * params.def: Add --param vect-max-version-checks.
6483         * doc/invoke.texi: Document ftree-vect-loop-version and
6484         --param vect-max-version-checks.
6485         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6486         may_misalign_stmts and defines for accessors.
6487         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6488         LOOP_VINFO_MAY_MISALIGN_STMTS.
6489         (destroy_loop_vec_info): VEC_free for
6490         LOOP_VINFO_MAY_MISALIGN_STMTS.
6491         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6492         Update documentation.
6493         (vect_update_misalignment_for_peel): New.
6494         (vect_enhance_data_refs_alignment): Update to choose loop
6495         peeling or loop versioning if appropriate for the (potentially)
6496         unaligned data references in the loop.
6497         (vect_analyze_data_refs_alignment): Remove call to
6498         vect_enhance_data_refs_alignment so the checks can be done
6499         earlier.
6500         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6501         and move up call to vect_analyze_data_refs_alignment.
6502         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6503         (vect_transform_loop): Add call to loop_version.
6504
6505 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6506
6507         PR rtl-optimization/23098
6508         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6509         * simplify-rtx.c (constant_pool_reference_p): New function.
6510         * rtl.h (constant_pool_reference_p): New prototype.
6511         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6512         constant_pool_reference_p in condition and
6513         avoid_constant_pool_reference in preparation statements.
6514
6515 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6516
6517         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6518         STRICT_LOW_PART SETs.
6519
6520 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6521
6522         PR middle-end/21460
6523         * except.c (sjlj_emit_function_enter): Find the function begin
6524         note even when it's not in first basic block.
6525
6526 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6527
6528         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6529         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6530         * aclocal.m4: Regenerate.
6531
6532 2005-09-05  DJ Delorie  <dj@redhat.com>
6533
6534         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6535         of macro.
6536
6537 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6538
6539         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6540         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6541         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6542         Follow spelling conventions.
6543         * doc/invoke.texi: Follow spelling conventions.
6544
6545 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6546
6547         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6548         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6549         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6550
6551 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6552
6553         PR target/23683
6554         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6555         (output_stack_adjust): Use gen_tmp_stack_mem.
6556         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6557         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6558         (sh_get_pr_initial_val): Likewise.
6559         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6560         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6561         * sh.md (divsi_inv_m0): Use gen_const_mem.
6562         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6563         (movdf_i4+1): Use gen_tmp_stack_mem.
6564         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6565         (fpu_switch+2): Likewise.
6566         (movv4sf_i, movv16sf_i): Use adjust_address.
6567         (symGOT_load): Set MEM_NOTRAP_P bit.
6568
6569 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6570
6571         PR target/23721
6572         * pa.c (emit_move_sequence): Fix typo in last change.
6573
6574 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6575
6576         PR rtl-optimization/23454
6577         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6578         is true.
6579
6580 2005-09-03  Richard Henderson  <rth@redhat.com>
6581             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6582
6583         PR middle-end/23671
6584         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6585         gen_rtx_MEM.
6586
6587 2005-09-02  Nicolas Pitre <nico@cam.org>
6588
6589         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6590         to bit_count to 32 bits.
6591
6592 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6593
6594         PR c++/23167
6595         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6596         generating synthetic loads from volatile lvalues.
6597
6598 005-09-02  Nick Clifton  <nickc@redhat.com>
6599
6600         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6601         __ctzhi2, __clzhi2): New functions.
6602
6603 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6604
6605         PR middle-end/23547
6606         * tree-nested.c (struct var_map_elt): Mark with GTY.
6607         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6608         var_map_elt.
6609         (lookup_field_for_decl): Allocate new element in GC memory.
6610         (lookup_tramp_for_decl): Likewise.
6611         (convert_nl_goto_reference): Likewise
6612         (create_nesting_tree): Allocate info in GC memory. Likewise for
6613         info->var_map.
6614         (free_nesting_tree): Free with ggc_free instead of free.
6615         (root): New static variable.
6616         (lower_nested_functions): Remove root as local variable.  And zero out
6617         root at the end of the function.
6618
6619 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6620
6621         PR rtl-optimization/20365
6622         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6623         to short.  New member ix.
6624         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6625         (simplify_plus_minus): Initialize ix members before calling qsort.
6626
6627 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6628
6629         PR tree-optimization/23626
6630         * tree-cfg.c (replace_uses_by): Clean up eh info.
6631
6632 2005-09-01  DJ Delorie  <dj@redhat.com>
6633
6634         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6635         fprintf.
6636
6637 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6638
6639         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6640         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6641         gen_rtx_MEM.
6642
6643 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6644
6645         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6646         do not issue warning for a variable definition following
6647         a declaration.
6648
6649 2005-09-01  Richard Henderson  <rth@redhat.com>
6650
6651         PR 23668
6652         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6653         conversion to CONST_VECTOR.
6654
6655 2005-09-01  Richard Henderson  <rth@redhat.com>
6656
6657         PR 23676
6658         * reload1.c (reload_as_needed): Check !CALL_P before calling
6659         fixup_eh_region_note.
6660         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6661
6662 2005-09-01  DJ Delorie  <dj@redhat.com>
6663
6664         * varasm.c (output_constant): Let the target resolve
6665         conversions of addresses to non-default pointer sizes.
6666
6667 2005-09-01  Nicolas Pitre <nico@cam.org>
6668
6669         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6670         to alow matching ARM pre-indexed addressing mode.
6671         (arm_override_options): Remove now irrelevant comment.
6672
6673 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6674
6675         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6676         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6677         * config/i386/vxworks.h:  Likewise.
6678         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6679         * config/i386/vxworksae.h:  Likewise.
6680
6681 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6682
6683         PR tree-optimization/23410
6684         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6685         sequence is not wrapping during the first step.
6686
6687 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6688
6689         PR debug/7241
6690         * dwarf2out.c (base_type_die): Compare char_type_node with
6691         TYPE_MAIN_VARIANT (type), not type.
6692
6693 2005-09-01  Richard Guenther  <rguenther@suse.de>
6694
6695         PR tree-optimization/15366
6696         * common.opt: Add -finline-functions-called-once.
6697         Put -fearly-inlining in alphabetically ordered place.
6698         * doc/invoke.texi: Document new option.
6699         * ipa-inline.c (cgraph_decide_inlining): Honour
6700         flag_inline_functions_called_once.
6701
6702 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6703
6704         PR rtl-optimization/23478
6705         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6706         (alloc_qty): Initialize it.
6707         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6708         (combine_regs): Combine also n_throwing_calls_crossed fields.
6709         (find_free_reg): Don't attempt to caller-save pseudos crossing
6710         calls that might throw.
6711         * global.c (struct allocno): Add throwing_calls_crossed field.
6712         (global_alloc): Revert 2005-08-22 change.  Initialize
6713         throwing_calls_crossed.
6714         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6715         might throw.
6716
6717 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6718
6719         PR target/23649
6720         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6721         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6722         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6723         (and64_2_operand): Tweak to use predicate.
6724         (and_operand): Adjust for mask_operand changes.
6725         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6726         (print_operand): Likewise.
6727         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6728         (mask64_1or2_operand): Delete.
6729         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6730         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6731         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6732         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6733         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6734         (rotldi3_internal4): Likewise.
6735         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6736         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6737         (ashldi3_internal7): Likewise.
6738         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6739         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6740         (anddi3 split): Don't match mask64_operand.
6741         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6742         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6743         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6744         't' splitter predicate.
6745         (movdi_internal64 + 2): Revert 2005-06-11 change.
6746
6747 2005-08-31  DJ Delorie  <dj@redhat.com>
6748
6749         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6750         (m32c_asm_integer): Add support for 32 bit pointers.
6751
6752 2005-08-31  Richard Henderson  <rth@redhat.com>
6753
6754         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6755         component-like references for setting MEM_NOTRAP_P.
6756
6757         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6758         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6759
6760 2005-08-31  Richard Henderson  <rth@redhat.com>
6761
6762         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6763         into a pseudo before applying gen_lowpart.
6764
6765 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6766
6767         * doc/install.texi (Specific): Update cctools version required
6768         for full functionality.
6769         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6770         linkers as -macosx_version_min.
6771
6772 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6773
6774         PR target/21255
6775         * sh.c (print_operand, %R and %S): Add handling of floating point
6776         registers, memory, constants and invalid operands.
6777
6778 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6779
6780         * ipa-pure-const.c: Change dump name.
6781
6782 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6783
6784         PR target/23570
6785         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6786         to "reg_or_0_operand".
6787         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6788
6789 2005-08-31  Dale Johannesen  <dalej@apple.com>
6790
6791         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6792         loops that count down.
6793
6794 2005-08-31  Richard Henderson  <rth@redhat.com>
6795
6796         PR rtl-opt/23601
6797         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6798         (fixup_eh_region_note): New.
6799         (reload_as_needed): Call it.
6800         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6801         don't call find_many_sub_basic_blocks; call verify_flow_info.
6802         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6803         (keep_stack_depressed): Likewise.
6804         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6805
6806 2005-08-31  Richard Henderson  <rth@redhat.com>
6807
6808         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6809         fp return matching.
6810
6811 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6812
6813         * expr.c (expand_expr_real_1): Compare size of address
6814         mode to target's address mode size in deciding expansion of
6815         the constant address.
6816
6817 2005-08-31  Richard Guenther  <rguenther@suse.de>
6818
6819         PR middle-end/23477
6820         * expr.c (all_zeros_p): New function.
6821         (expand_expr_real_1): Handle the case of an all-zero
6822         non-addressable constructor separately.
6823
6824 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6825
6826         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6827         arguments, adjust all callers.
6828         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6829
6830 2005-08-30  Richard Henderson  <rth@redhat.com>
6831
6832         PR target/23630
6833         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6834         whenever the mode sizes match.
6835
6836 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6837
6838         * calls.c (load_register_parameters): Fix comment typo.
6839         * expr.c (emit_push_insn): Comment formatting.
6840
6841 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6842
6843         * config/i386/x-cygwin (host-cygwin): Change dependency from
6844         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6845
6846 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6847
6848         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6849         parts of 'vals'.
6850
6851 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6852
6853         PR middle-end/23408
6854         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6855         call to ggc_collect.
6856
6857 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6858
6859         PR bootstrap/21268
6860         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6861         beginning.  Remove $(INCLUDES) from all the rules, if following
6862         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6863
6864 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6865
6866         PR middle-end/23484
6867         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6868         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6869         not constant, but maxlen is, don't set len to maxlen, rather
6870         set maxlen to len if len is a constant.
6871
6872 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6873
6874         PR tree-optimization/23475
6875         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6876         and counts.
6877
6878 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6879
6880         Fix PR middle-end/22455
6881
6882         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6883         Checksum only the parts of the tree that exist for the tree code.
6884
6885 2005-08-28  Dale Johannesen  <dalej@apple.com>
6886
6887         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6888
6889 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6890
6891         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6892
6893 2005-08-28  Richard Henderson  <rth@redhat.com>
6894
6895         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6896         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6897         of char_type_node.
6898
6899 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6900
6901         PR ada/23593
6902         * builtins.c (get_memory_rtx): Don't strip nops
6903         in between COMPONENT_REFs.
6904
6905 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6906
6907         PR middle-end/23463
6908         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6909         types.
6910         (gimplify_modify_expr): Check for zero sized types and gimplify the
6911         rhs and lhs as statements.
6912
6913 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6914
6915         PR libgcj/23508
6916         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6917         state for return address column of signal frames.
6918
6919 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6920
6921         PR target/23539
6922         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6923         bytes >= 2 not bytes == 2.
6924         (expand_block_move): Same.
6925
6926 2005-08-27  Richard Guenther  <rguenther@suse.de>
6927
6928         PR target/23575
6929         * config/i386/sse.md (sse2_movsd): Add missing closing
6930         braces.
6931
6932 2005-08-27  Paul Brook  <paul@codesourcery.com>
6933
6934         * genrecog.c (enum decision_type): Add DT_num_insns.
6935         (struct decision_test): Add u.num_insns.
6936         (add_to_sequence): Add DT_num_insns test.
6937         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6938         (write_cond, debug_decision_2): Ditto.
6939         (change_state): Assume peep2_next_insn never fails.
6940         Remove "afterward" argument.
6941         (write afterward, write_tree): Update to match.
6942         * recog.c (peep2_current_count): New variable.
6943         (peep2_next_insn): Check it.
6944         (peephole2_optimize): Set peep2_current_count.
6945         * recog.h (peep2_current_count): Declare.
6946
6947 2005-08-26  Josh Conner  <jconner@apple.com>
6948
6949         PR middle-end/23584
6950         * ipa-pure-const.c (check_tree): Check for volatile-ness
6951         when considering a dereference.
6952
6953 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6954
6955         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6956
6957 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6958
6959         PR rtl-optimization/23561
6960         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6961         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6962         at most LEN bytes long memory fits into the field.
6963         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6964         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6965         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6966
6967 2005-08-26  Richard Henderson  <rth@redhat.com>
6968
6969         PR rtl-opt/23560
6970         * loop.c (biased_biv_may_wrap_p): New.
6971         (maybe_eliminate_biv_1): Use it to suppress non-equality
6972         comparison transformations.  Delete disabled code.
6973
6974 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6975
6976         * combine.c (make_extraction): Avoid reference outside object.
6977
6978 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6979
6980         * stor-layout.c (finalize_type_size): Restore behaviour for
6981         non-aggregate types to the status quo ante of the patch for
6982         pr 23467.  Document why it matters.
6983
6984 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6985
6986         PR c/23506
6987         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6988         array by one element, initialize the BT_LAST element with NULL.
6989
6990 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6991
6992         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6993         optimizing for size.
6994         (plus_eqsi): Same.
6995         (compare_plus_eqsi): Same.
6996         (plus_eqsi_compare): Same.
6997         (neg_eq0<mode>): Same.
6998         (neg_eq<mode>): Same.
6999
7000         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7001         PROCESSOR_POWER4.
7002
7003 2005-08-26  Nick Clifton  <nickc@redhat.com>
7004
7005         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7006         TARGET_EP is not defined.
7007         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7008         TARGET_EP is enabled.
7009         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7010         * config/v850/v850.md (save_all_interrupt): Only use the EP
7011         register if TARGET_EP is defined.
7012         (restore_all_interrupt): Likewise.
7013         * config/v850/lib1funcs.asm: Update functions so that the EP
7014         register is only used if __EP__ is defined.
7015
7016 2005-08-26  David Ung  <davidu@mips.com>
7017
7018         * config/mips/mips.c (mips_expand_prologue): Handle case when
7019         generating for MIPS16 and the outgoing argument area is more than
7020         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7021         add instruction.
7022
7023 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7024
7025         * config/crx/crx.md: Make doloop_end pattern usage controllable
7026         via mloop-nesting=<max-nesting> command line switch. Make sure
7027         the combiner cannot use doloop_end_<mode> in an illegal way.
7028         * config/crx/crx.c: Use regs up to r6 for argument passing.
7029         Refine crx_address_cost (non cst4 displacements are expensive).
7030         * config/crx/crx.opt: Add switch for mloop-nesting=.
7031
7032 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7033
7034         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7035         (UNSPEC_MVST): New constant.
7036
7037 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7038
7039         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7040         Reject operands containing eliminable registers.
7041         * testsuite/gcc.dg/20050825-1.c: New testcase.
7042
7043 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7044             Jan Hubicka  <jh@suse.cz>
7045
7046         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7047
7048 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7049
7050         PR tree-optimization/23546
7051         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7052         and REAL_CST nodes.
7053
7054 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7055
7056         * params.def (PARAM_MIN_SPEC_PROB): New.
7057         * sched-rgn.c (MIN_PROBABILITY): Delete.
7058         (compute_trg_info): Convert to PARAM_VALUE.
7059         * doc/invoke.texi (param): Document min-spec-prob.
7060
7061 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7062
7063         * config/darwin.h: define __PIC__
7064         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7065         TARGET_OS_CPP_BUILTINS macro.
7066
7067 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7068
7069         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7070         yesterday.
7071
7072 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7073
7074         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7075         to duplicate_block.
7076         * cfghooks.c (duplicate_block): Added position where to place
7077         new block as argument.
7078         * cfghooks.h (duplicate_block): Declaration changed.
7079         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7080         duplicate_block.
7081         * cfglayout.h (copy_bbs): Declaration changed.
7082         * cfgloop.h (loop_version): Declaration changed.
7083         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7084         position to copy_bbs.
7085         (loop_version): Pass position to duplicate_loop_to_header_edge.
7086         Add place_after argument and position new blocks according to
7087         it.
7088         * modulo-sched.c (sms_schedule): Pass place_after argument
7089         to loop_version.
7090         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7091         * tree-cfg.c (split_edge_bb_loc): New function.
7092         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7093         to determine position of new blocks.
7094         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7095         to loop_version.
7096         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7097         argument to duplicate_block.
7098         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7099         Pass position to copy_bbs.
7100
7101 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7102
7103         * fold-const.c (ptr_difference_const): Use
7104         cst_and_fits_in_hwi instead of host_integerp.
7105
7106 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7107
7108         * config/darwin.c (gen_pic_offset): New.
7109         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7110         Use it.
7111
7112 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7113
7114         PR tree-optimization/23486
7115         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7116
7117 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7118
7119         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7120         remove use_collect2.
7121         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7122
7123         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7124         configuration files to override the default value.
7125
7126         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7127         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7128         * config/vx-common.h:  New file, split out from...
7129         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7130         * config/vxworksae.h:  New file, for VxWorks AE.
7131         * config/vxworks.opt:  New file.
7132         * config/vxlib.c:  Update for VxWorks 6.
7133
7134         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7135         other MULTILIB_* variables appropriately.
7136         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7137         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7138         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7139         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7140
7141 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7142
7143         PR target/20799
7144         * config/darwin.c (machopic_select_section): Remove the hack to
7145         mark "::operator new" and "::operator delete" for coalescing
7146         even though they are not weak.
7147
7148 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7149
7150         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7151         * configure: Regenerate.
7152
7153 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7154
7155         PR middle-end/23517
7156         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7157         between vectors.
7158         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7159         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7160         Likewise.
7161
7162 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7163
7164         * config/rs6000/predicates.md (equality_operator): New.
7165         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7166         comparison with a large constant.
7167
7168 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7169
7170         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7171
7172 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7173
7174         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7175         registers is even, and we have a hardware double precision fp,
7176         align the buffer.
7177         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7178         size of current argument when checking if argument was passed in
7179         registers.
7180
7181         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7182
7183         PR middle-end/23467
7184         * stor-layout.c (finalize_type_size): Dont override
7185         existing alignment with a smaller alignment from the mode.
7186
7187 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7188
7189         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7190         * lambda.h (lambda_vector_lexico_pos): ... here.
7191         * tree-data-ref.c (build_classic_dist_vector): Return false when
7192         the distance vector is lexicographically negative.
7193
7194 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7195
7196         PR tree-optimization/23511
7197         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7198         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7199
7200 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7201
7202         PR tree-optimization/22043
7203         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7204         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7205         If ALLOW_FLEXARR, handle types ending with flexible array member.
7206         Pass false as second argument to recursive count_type_elements calls.
7207         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7208         argument to count_type_elements call.
7209         * tree-sra.c (decide_block_copy): Likewise.
7210         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7211         for a constant-sized object, set cleared as well.  Pass true as
7212         second argument to count_type_elements call.
7213
7214 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7215
7216         PR target/21571
7217         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7218         from legitimate_small_data_p, and make global.  Update use.
7219         Remove forward declaration.
7220         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7221         Declare.
7222         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7223
7224 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7225
7226         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7227         of scratch intermediates.
7228         (eq<mode>_compare): Same.
7229         (neg_eq0<mode>): New.
7230         (neg_eq<mode>): Convert to define_insn_and_split.
7231
7232 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7233
7234         PR target/23070
7235         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7236         stdarg functions, set/clear the fp marker even when no variable
7237         args are passed.
7238         * config/rs6000/sysv4.opt (mprototype): Describe.
7239
7240 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7241
7242         PR rtl-optimization/23478
7243         * regs.h (reg_info): Add throw_calls_crossed.
7244         (REG_N_THROWING_CALLS_CROSSED): Define.
7245         * flow.c (allocate_reg_life_data): Initialize
7246         REG_N_THROWING_CALLS_CROSSED.
7247         (propagate_one_insn, attempt_auto_inc): Update
7248         REG_N_THROWING_CALLS_CROSSED.
7249         * global.c (global_alloc): Don't allocate pseudos across
7250         calls that may throw.
7251
7252 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7253
7254         PR c/18715
7255         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7256         value is inbetween the range if we did not find an exact match.
7257
7258 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7259
7260         * doc/invoke.texi (Option Summary): Add ms1 options.
7261         * doc/extend.texi: Document interrupt handler attribute for ms1.
7262         * doc/md.texi: Document ms1 constraints.
7263         * config.gcc: Add ms1-*-elf.
7264         * config/ms1/ms1.h: New.
7265         * config/ms1/ms1.c: New.
7266         * config/ms1/ms1.md: New.
7267         * config/ms1/ms1-protos.h: New.
7268         * config/ms1/ABI.txt: New.
7269         * config/ms1/crti.asm: New.
7270         * config/ms1/crtn.asm: New.
7271         * config/ms1/lib2extra-funcs.c: New.
7272         * config/ms1/t-ms1: New.
7273         * config/ms1/ms1.opt: New.
7274
7275 2005-08-22 Ira Rosen <irar@il.ibm.com>
7276
7277         * config/rs6000/altivec.md (xorv4sf3): New.
7278         (negv4sf2, neg<mode>2): Likewise.
7279
7280 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7281
7282         PR target/23485
7283         * config/ia64/ia64.md (divsi3): Check divide by zero.
7284         (udivsi3): Likewise.
7285         (divdi3): Likewise.
7286         (udivdi3): Likewise.
7287
7288 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7289
7290         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7291         up to elem_bitsize bits, not max_bitsize.
7292
7293 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7294
7295         PR tree-optimization/23433
7296         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7297         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7298
7299 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7300
7301         PR tree-optimization/23434
7302         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7303         the iteration bound is not an INTEGER_CST.
7304
7305 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7306
7307         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7308         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7309         NULL if need_epilog_adjust is false.
7310         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7311         Case 3 always peels first itration, not just for PLUS case, and no need
7312         to use scalar_initial_def here. Create an epilog adjustment only if
7313         scalar_initial_def is not NULL.
7314
7315         (vectorizable_reduction): Remove assert.
7316
7317 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7318
7319         PR target/23485
7320         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7321         (__moddi3): Likewise.
7322         (__udivdi3): Likewise.
7323         (__umoddi3): Likewise.
7324         (__divsi3): Likewise.
7325         (__modsi3): Likewise.
7326         (__udivsi3): Likewise.
7327         (__umodsi3): Likewise.
7328
7329 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7330
7331         * tree-pass.h (TDF_GRAPH): Define.
7332         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7333         * passes.c (finish_optimization_passes): Only call
7334         finish_graph_dump_file if TDF_GRAPH is set.
7335         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7336         NULL.  Set TDF_GRAPH bit.
7337         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7338
7339 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7340
7341         * arm.h (arm_stack_offsets): Add locals_base field.
7342         * arm.c (arm_get_frame_offsets): Compute it.
7343         (thumb_compute_initial_elimination offset): Make the Thumb frame
7344         pointer point to the base of the local variables.
7345         (thumb_expand_prologue): Update accordingly.
7346         (thumb_expand_epilogue): Likewise.
7347
7348         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7349         mode of clobbered scratch to DImode.  Handle a case that's known to
7350         need this.
7351
7352 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7353
7354         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7355         (gt0<mode>_compare): Delete.
7356         (neg_gt0<mode>): Delete.
7357
7358 2005-08-19  Eric Christopher  <echristo@apple.com>
7359
7360         * optabs.h: Change CTI_ to COI_.
7361         * optabs.c: Ditto.
7362
7363 2005-08-19  James E Wilson  <wilson@specifix.com>
7364
7365         * builtins.c (expand_builtin_return_addr): Set
7366         current_function_accesses_prior_frames when count != 0.  Use
7367         frame_pointer_rtx when count == 0.
7368         * function.h (struct function): Add accesses_prior_frames field.
7369         (current_function_accesses_prior_frames): Define.
7370         * reload1.c (init_elim_table): Check
7371         current_function_accesses_prior_frames.
7372         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7373
7374 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7375
7376         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7377         indicator.  Return true if the flowgraph changed during
7378         cleanup.
7379
7380 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7381
7382         PR 23476
7383         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7384         conditional expression before testing its value.
7385
7386 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7387
7388         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7389
7390 2005-08-19  Devang Patel  <dpatel@apple.com>
7391
7392         PR tree-optimization/23048
7393         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7394         third parameter. Check whether latch is dominated by exit
7395         block or not.
7396         (if_convertible_loop_p): Supply exit block itself to
7397         if_convertible_bb_p.
7398
7399 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7400
7401         PR target/23473
7402         * arm.md (arm_load_pic_register): Change argument to the mask of
7403         saved registers.  Call thumb_find_work_register if we need a
7404         scratch register on Thumb.
7405         (arm_expand_prologue): Pass empty register set to
7406         arm_load_pic_register.
7407         (thumb_expand_prologue): Pass live_regs_mask directly to
7408         arm_load_pic_register.
7409         * arm-protos.h (arm_load_pic_register): Update prototype.
7410
7411 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7412
7413         * sh.c (find_sole_member): New function.
7414         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7415         if the record's alignment is larger than the size of its only member.
7416
7417 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7418
7419         PR target/23436
7420         * arm.c (thumb_legitimize_reload_address): New function.
7421         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7422         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7423
7424 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7425
7426         * config/crx/crx.c: Implement crx_decompose_address. Reject
7427         symbolic displacements since CRX register relative adressing
7428         mode can't handle unsigned 32-bit values as displacements.
7429         * config/crx/crx.h: Simplify definitions, remove redundant
7430         parenthesis and obsolete macros.
7431         * config/crx/crx.opt: Add new switch for debugging addresses.
7432         * config/crx/crx-protos.h: Add new declarations for above.
7433
7434 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7435
7436         PR middle-end/20624
7437         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7438         looking past it.
7439
7440 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7441
7442         * collect2.c (dup2): Delete.
7443         * configure.ac: Don't check for dup2.
7444
7445         * config.in, configure: Regenerate.
7446
7447 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7448
7449         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7450         record with the type of its only member.
7451
7452 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7453
7454         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7455         define_insn_and_split.
7456         (plus_ltu<mode>_compare): Same.
7457         (gtu<mode>_compare): Same.
7458         (plus_gtu<mode>_compare): Same.
7459
7460 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7461
7462         PR tree-optimization/22228
7463         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7464         todo_flags_start.
7465         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7466         are recorded in vect_vnames_to_rename for renaming.
7467         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7468         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7469         in vect_vnames_to_rename.
7470         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7471         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7472
7473 2005-08-18  Jan Hubicka  <jh@suse.cz>
7474
7475         PR c++/22034
7476         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7477         info only for local statics, not for member variables.
7478
7479 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7480
7481         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7482
7483 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7484
7485         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7486
7487 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7488
7489         PR middle-end/16045
7490         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7491
7492 2005-08-17  James E Wilson  <wilson@specifix.com>
7493
7494         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7495         array size check.
7496
7497 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7498
7499         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7500         (leu<mode>_compare): Same.
7501         (plus_leu<mode>): Same.
7502         (neg_leu<mode>): Same.
7503         (and_neg_leu<mode): Same.
7504         (ltu<mode>_compare): Same.
7505         (plus_ltu<mode>): Same.
7506         (geu<mode>): Same.
7507         (geu<mode>_compare): Same.
7508         (plus_geu<mode>): Same.
7509         (neg_geu<mode>): Same.
7510         (and_neg_geu<mode>): Same.
7511         (plus_gt<mode>): Same.
7512         (gtu<mode>_compare): Same.
7513         (plus_gtu<mode>): Same.
7514
7515 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7516
7517         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7518         Move call_table_data to end.  Delete spurious .text.
7519         (callt_save_all_interrupt): Fix comment typo.
7520
7521 2005-08-17  James E Wilson  <wilson@specifix.com>
7522             Kevin Winchester  <winchester@amirix.com>
7523
7524         PR target/21684
7525         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7526
7527 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7528
7529         PR target/23268
7530         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7531         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7532
7533 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7534
7535         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7536         record with the type of its only member if the modes don't match.
7537
7538         * varasm.c (decode_reg_name): Skip empty additional register names.
7539
7540 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7541
7542         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7543         lsm_tmp_name_length): New.
7544         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7545         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7546
7547 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7548             Andreas Krebbel  <krebbel1@de.ibm.com>
7549
7550         * config.gcc: Added z9-109 switch.
7551         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7552         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7553         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7554         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7555         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7556         for "z9_109" cpu attribute.
7557         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7558         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7559         (s390_handle_arch_option): Added z9-109 switch.
7560         (override_options): Set respective cost function for z9-109.
7561         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7562         (legitimate_reload_constant_p): Accept extended immediates.
7563         (print_operand): Three new output modifiers added: k, m and o.
7564         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7565         (s390_output_mi_thunk): Use extended immediate when possible.
7566         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7567         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7568         (CONSTRAINT_LEN): Added length of O constraint.
7569         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7570         * config/s390/s390.md ("cpu"): New value z9_109 added.
7571         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7572         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7573         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7574         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7575         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7576         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7577         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7578         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7579         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7580         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7581         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7582         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7583         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7584         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7585         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7586         immediates.
7587         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7588         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7589         insns for TARGET_EXTIMM.
7590
7591 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7592
7593         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7594
7595 2005-08-17  Nick Clifton  <nickc@redhat.com>
7596
7597         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7598         Call default_encode_section_info.
7599
7600 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7601
7602         PR tree-optimization/21574
7603         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7604         constant, return CONSTANT.
7605         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7606         (ccp_fold, visit_assignment): Likewise.
7607         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7608
7609 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7610
7611         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7612         fold_buildN instead of buildN then fold_initializer or fold.
7613         (build_unary_op): Likewise.
7614         (build_binary_op): Likewise.
7615         * fold-const.c (fold_initializer): Remove.
7616         (fold_build1_initializer): New function.
7617         (fold_build2_initializer): New function.
7618         (fold_build3_initializer): New function.
7619         * tree.h (fold_initializer): Remove.
7620         (fold_build1_initializer): New function.
7621         (fold_build2_initializer): New function.
7622         (fold_build3_initializer): New function.
7623
7624 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7625
7626         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7627         (try_move_mult_to_index): Call fold_build2 instead of build2.
7628         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7629         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7630         fold_binary_to_constant.
7631         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7632         fold (build.
7633         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7634         check if A == gcd (A, B).  Remove TYPE argument.
7635         (analyze_offset) Use fold_build2 instead of fold (build.
7636         (create_data_ref): Likewise.
7637         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7638         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7639         then fold.
7640
7641 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7642
7643         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7644         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7645
7646 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7647
7648         PR tree-opt/23402
7649         * gimplify.c (zero_sized_type): New function.
7650         (gimplify_modify_expr_rhs): If we have a zero sized type,
7651         replace the statement with an empty statement.
7652
7653 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7654
7655         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7656         fxsave.
7657
7658 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7659
7660         * doc/tm.texi (Label Output): Correct typo.
7661
7662 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7663
7664         PR target/23376
7665         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7666         force_operand will work later on using have_insn_for.
7667
7668 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7669
7670         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7671
7672 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7673
7674         PR c++/23337
7675         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7676         vector type, don't try to construct it element by element.  Add an
7677         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7678
7679 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7680
7681         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7682
7683 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7684
7685         * doc/invoke.texi (Precompiled Headers): Document some more options
7686         which are known to be safe.
7687
7688 2005-08-16  James E Wilson  <wilson@specifix.com>
7689
7690         PR tree-optimization/21105
7691         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7692         TREE_OVERFLOW check.
7693
7694 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7695
7696         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7697         (neg_ltu<mode>): Same.
7698         (gtu<mode>): Same.
7699         (neg_gtu<mode>): Same.
7700
7701 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7702
7703         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7704         (fold_builtin_isdigit): Use fold_buildN.
7705         (build_function_call_expr): Likewise.
7706         * c-typeck.c (c_finish_loop): Likewise.
7707
7708 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7709             Richard Shann <rshann@superh.com>
7710
7711         PR middle-end/20396:
7712         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7713
7714 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7715
7716         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7717
7718 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7719
7720         PR target/23355
7721         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7722         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7723         must be saved.
7724
7725 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7726
7727         PR middle-end/23369
7728         * fold-const.c (build_range_check): Disable optimization for function
7729         pointer expressions on targets that require function pointer
7730         canonicalization.
7731
7732 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7733
7734         * simplify-rtx.c (simplify_const_relational_operation): When
7735         extracting arguments of a COMPARE, recompute the mode as well.
7736
7737 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7738
7739         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7740
7741 2005-08-15  DJ Delorie  <dj@redhat.com>
7742
7743         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7744         the stack.
7745         (movsi_splittable): Allow, but split, moves to the stack.
7746         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7747         stack.
7748
7749 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7750
7751         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7752         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7753         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7754
7755         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7756         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7757         Delete HOST_PTR_PRINTF.
7758
7759         * configure, config.in: Regenerate.
7760
7761 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7762
7763         * config/rs6000/rs6000.md (QHSI): New mode macro.
7764         (wd): Extend mode attr for QImode and HImode
7765         (dbits): New mode attr.
7766         (zero_extend<mode>di2): Convert to mode macro.
7767
7768 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7769
7770         PR target/21841
7771         * doc/invoke.texi (-mgnu-ld): Update description.
7772         (-mhp-ld): Ditto.
7773
7774 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7775
7776         PR 23391
7777         * Makefile.in (tree-chrec.o): Depends on real.h.
7778         * tree-chrec.c: Include real.h.
7779         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7780         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7781         * tree-scalar-evolution.c (add_to_evolution_1,
7782         interpret_rhs_modify_expr): Ditto.
7783
7784 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7785
7786         PR 23386
7787         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7788         step is negative compute the estimation from init downwards to zero.
7789
7790 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7791
7792         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7793
7794 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7795
7796         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7797         constraint.
7798         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7799         Accept double-word constants that can be split.
7800         * config/s390/s390.md ("movti"): Use 'P' constraint.
7801         ("*movdi_31", "*movdf_31"): Likewise.
7802
7803 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7804
7805         Fix PR tree-optimization/22615
7806
7807         * tree-ssa-structalias.c (solution_set_add): Handle
7808         first_vi_for_offset returning NULL.
7809         (do_da_constraint): Ditto.
7810         (do_sd_constraint): Ditto.
7811         (do_ds_constraint): Ditto
7812         (find_func_aliases): Ditto.
7813         (build_constraint_graph): RHS is allowed be ANYTHING.
7814         (first_vi_for_offset): Return NULL if we couldn't find anything at
7815         the offset.
7816
7817 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7818
7819         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7820         over memory as first operand.
7821
7822 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7823
7824         PR target/23360
7825         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7826         available for setting it.
7827
7828 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7829
7830         PR tree-optimization/23320
7831         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7832         data-refs' types instead of base object nullness. Add check for
7833         pointer type data-refs before first location comparison. Remove
7834         assert.
7835
7836 2005-08-14  Andreas Schwab  <schwab@suse.de>
7837
7838         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7839
7840 2005-08-13  James E Wilson  <wilson@specifix.com>
7841
7842         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7843         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7844         -fstack-protector-all, --param ssp-buffer-size): Document.
7845         (-Wvariadic-macros): Alphabetize.
7846         (-fsched-stalled-insns-dep): Add missing 'f'.
7847
7848         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7849         macros.
7850
7851 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7852
7853         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7854         or indirect address operand.
7855         (EXTRA_ADDRESS_CONSTRAINT): New.
7856         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7857
7858 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7859
7860         PR tree-optimization/22236
7861         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7862         successors and predecessors.
7863         * tree-chrec.c (chrec_convert): Before converting, check that
7864         sequences don't wrap.
7865         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7866         (analyze_array): Extern.
7867         (find_data_references_in_loop): Remove call to
7868         compute_estimated_nb_iterations.
7869         * tree-data-ref.h (analyze_array): Declared.
7870         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7871         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7872         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7873         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7874         condition.
7875         * tree-ssa-loop-ivcanon.c: Fix documentation.
7876         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7877         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7878         (infer_loop_bounds_from_undefined): New.
7879         (estimate_numbers_of_iterations_loop): Use
7880         infer_loop_bounds_from_undefined.
7881         (used_in_pointer_arithmetic_p): New.
7882         (scev_probably_wraps_p): Pass an extra parameter.  Call
7883         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7884         (convert_step): Fix documentation.
7885         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7886         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7887         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7888         scev_probably_wraps_p.
7889
7890 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7891
7892         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7893         (s390_register_info): Ignore clobbered_regs information for fixed
7894         registers, and only fixed registers.
7895         (s390_init_frame_layout): Remove redundant call.
7896
7897 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7898
7899         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7900         description of -Wold-style-casts.
7901
7902 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7903             Jakub Jelinek  <jakub@redhat.com>
7904
7905         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7906         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7907         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7908         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7909         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7910         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7911         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7912         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7913         ("stack_protect_set", "stack_protect_test"): New expanders.
7914         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7915         "stack_protect_testdi"): New insn definitions.
7916
7917 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7918
7919         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7920
7921 2005-08-12  Paul Brook  <paul@codesourcery.com>
7922
7923         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7924
7925 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7926
7927         * config/s390/predicates.md (setmem_operand): New predicate.
7928         (shift_count_operand): Accept ANDs with special constants as
7929         operand.
7930         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7931         with special constants.
7932         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7933         shift_count_operand with setmem_operand.
7934
7935 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7936
7937         * config/s390/s390.c (s390_extract_part, s390_single_part):
7938         Type cast added.
7939         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7940         (s390_output_mi_thunk): Don't use lg on 31 bit.
7941         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7942         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7943
7944 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7945
7946         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7947         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7948         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7949         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7950         with one of the new macros.
7951
7952 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7953
7954         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7955         Don't set save_return_addr_p.
7956         (s390_register_info): Make clobbered_regs not depending on
7957         save_return_addr_p.
7958
7959 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7960
7961         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7962         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7963
7964 2005-08-11  James E. Wilson  <wilson@specifix.com>
7965
7966         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7967
7968 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7969
7970         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7971         locations gathered by var-tracking in single entry loc_list
7972         over loc_descriptor_from_tree.
7973
7974         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7975         pass it down to loc_descriptor.
7976         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7977         (containing_function_has_frame_base): Move earlier in the file.
7978         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7979         instead of always assuming fbreg can't be used.
7980
7981 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7982
7983         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7984         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7985         Accept address wrapped in AND for Altivec.
7986         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7987         Strip AND wrapping offset address for Altivec.
7988
7989 2005-08-11  Richard Henderson  <rth@redhat.com>
7990
7991         PR middle-end/23312
7992         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7993         before using TYPE_IS_SIZETYPE.
7994
7995 2005-08-11  Richard Henderson  <rth@redhat.com>
7996
7997         PR target/22225
7998         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7999         insn types not present on ev4.
8000         (alphaev5_insn_pipe): Similarly.
8001
8002 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8003
8004         PR target/23250
8005         * arm.c (arm_override_options): If the user has selected callee-super-
8006         interworking, then enable normal interworking.
8007
8008 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8009
8010         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8011         redefinition.
8012
8013 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8014
8015         * doc/rtl.texi: Fix two typos.
8016
8017 2005-08-11  Richard Guenther  <rguenther@suse.de>
8018
8019         PR target/23289
8020         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8021         cases where we call to/from functions returning void.
8022
8023 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8024
8025         PR c++/23225
8026         * tree.c (build_pointer_type_for_mode): Robustify.
8027
8028 2005-08-10  James E Wilson  <wilson@specifix.com>
8029
8030         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8031         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8032
8033         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8034         "cum->".
8035
8036 2005-08-10  Eric Christopher  <echristo@apple.com>
8037
8038         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8039         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8040         V2DFmode.
8041
8042 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8043
8044         PR target/21887
8045         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8046         for the high part when generating dynamic-no-pic code.
8047
8048 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8049
8050         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8051         (x86_64-*-linux*): Likewise.
8052
8053         * config/i386/crtfastmath.c: New file.
8054         * config/i386/t-crtfm: Likewise.
8055
8056         * config/i386/linux.h (ENDFILE_SPEC): New.
8057         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8058
8059         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8060         crtfastmath.o.
8061
8062 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8063
8064         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8065         (vec_shl, vec_shr): Document new operations.
8066         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8067
8068 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8069
8070         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8071         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8072         change predicate to indexed_or_indirect_address.
8073
8074 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8075
8076         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8077         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8078         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8079         and __aeabi_uwrite8.
8080         * config/arm/unaligned-funcs.c: New file.
8081         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8082
8083 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8084
8085         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8086         Add dump.
8087         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8088         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8089         Add dump.
8090         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8091         * final.c (pass_shorten_branches): Add dump.
8092         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8093         (pass_life): Rename dump.
8094         (rest_of_handle_flow2): Remove initial verify_flow_info.
8095         * function.c (pass_instantiate_virtual_regs): Add dump.
8096         * integrate.c (pass_initial_value_sets): Add dump.
8097         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8098         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8099         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8100         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8101         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8102         gate_rtl_unrool_and_peel_loops): New.
8103         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8104         rtl_doloop): Do not look at flags.
8105         * mode-switching.c (pass_mode_switching): Add dump.
8106         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8107         pass_split_before_regstack): Add dump.
8108         * regmove.c (pass_stack_adjustments): Add dump.
8109         * tree-optimize.c (pass_fixup_cfg): Add dump.
8110
8111 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8112
8113         PR 23309
8114         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8115         deciding which instruction sequence to use.
8116
8117 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8118
8119         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8120         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8121
8122 2005-08-09  Richard Guenther  <rguenther@suse.de>
8123
8124         * c-common.c (builtin_function_2): Remove.
8125         (def_builtin_1): New function.
8126         (c_common_nodes_and_builtins): Use def_builtin_1 to
8127         build builtin functions.
8128
8129 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8130
8131         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8132         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8133         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8134         Visual DSP.
8135
8136 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8137
8138         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8139         fold_binary instead of fold_build2 since we don't care about the
8140         resulting tree.
8141         (loop_niter_by_eval): Likewise.
8142         (compare_trees): Likewise.
8143         (proved_non_wrapping_p): Likewise.
8144
8145 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8146
8147         PR c/23161
8148         PR c/23165
8149         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8150         if the if is really empty.
8151
8152 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8153
8154         PR tree-optimization/23234
8155         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8156         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8157         argument of the new enum.
8158         (execute_cse_reciprocals): Add reciprocals for function arguments
8159         on the unique successor edge of the entry block.  Update other calls
8160         to execute_cse_reciprocals_1.
8161
8162 2005-08-08  Richard Henderson  <rth@redhat.com>
8163
8164         PR 22439
8165         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8166
8167 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8168
8169         * expr.c (write_complex_part): Return after handling MEM.
8170
8171 2005-08-08  Josh Conner  <jconner@apple.com>
8172
8173         PR rtl-optimization/23241
8174         * combine.c (simplify_comparison): Fix error in determining
8175         whether to lift a subreg from comparison.
8176
8177 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8178
8179         PR target/18506
8180         * config/rs6000/altivec.md (vec_init<mode>): New.
8181         (vec_set<mode>): New.
8182         (vec_extract<mode>): New.
8183         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8184         (rs6000_expand_vector_set): New.
8185         (rs6000_expand_vector_extract): New.
8186         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8187         for Altivec modes before reload.
8188         (altivec_expand_vec_init_builtin): New.
8189         (get_element_number): New.
8190         (altivec_expand_vec_set_builtin): New.
8191         (altivec_expand_vec_ext_builtin): New.
8192         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8193         builtins.
8194         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8195         builtins.
8196         * config/rs6000/rs6000.h (rs6000_builtins): Add
8197         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8198         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8199         * config/rs6000/rs6000-protos.h: Declare new functions.
8200
8201 2005-08-08  Jan Hubicka  <jh@suse.cz>
8202
8203         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8204         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8205         * i386.md (movdi*): Use pic_32bit_operand.
8206         * predicates.md (pic_32bit_operand): New.
8207
8208 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8209
8210         PR c++/21166
8211         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8212
8213 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8214
8215         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8216         (test_for_singularity): Use fold_build2.
8217
8218 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8219
8220         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8221
8222 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8223
8224         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8225         (COMMON_ASM_OP) Define.
8226         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8227         (ix86_encode_section_info): Likewise.
8228         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8229         SUBTARGET_ENCODE_SECTION_INFO.
8230
8231 2005-08-06  Richard Henderson  <rth@redhat.com>
8232
8233         PR 21894
8234         * tree-nested.c (convert_local_reference): Save and restore val_only
8235         around component_ref and friends.  Clear walk_subtrees by default.
8236
8237 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8238
8239         PR 21366
8240         * gcc.c (process_command): Check the argument to -b has a dash.
8241         * doc/invoke.texi: Update -b and -V docs.
8242
8243 2005-08-06  James E Wilson  <wilson@specifix.com>
8244
8245         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8246
8247 2005-08-06  Michael Matz  <matz@suse.de>
8248
8249         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8250         member only if only one insn is associated with the value.
8251
8252 2005-08-06  Nick Clifton  <nickc@redhat.com>
8253
8254         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8255         New define.
8256         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8257         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8258         Check symbol flags instead of symbol name mangling.
8259         (xstormy16_asm_output_aligned_common): Likewise.  Also
8260         simplify code since the bss100_section cass is the only case
8261         where the below100 code will be triggered.
8262         (xstormy16_encode_section_info): Encode below100 attribute
8263         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8264         the name.
8265         (xstormy16_strip_name_encoding): Delete - this function is no
8266         longer needed.
8267         (TARGET_STRIP_NAME_ENCODING): Undefine.
8268         * config/stormy16/stormy16-protos.h: Delete prototype for
8269         xstormy16_strip_name_encoding.
8270
8271 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8272
8273         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8274         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8275         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8276         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8277         config/alpha/predicates.md, config/arc/arc.h,
8278         config/arm/arm.h, config/arm/ieee754-df.S,
8279         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8280         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8281         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8282         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8283         config/m68hc11/m68hc11.h, config/mips/mips.c,
8284         config/mips/mips.h, config/mips/openbsd.h,
8285         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8286         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8287         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8288         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8289         config/sparc/linux.h, config/sparc/linux64.h,
8290         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8291         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8292         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8293         typos.  Follow spelling conventions.
8294
8295 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8296
8297         PR c/23113
8298         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8299         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8300         specially.  Check for side effects only for COND_EXPR.
8301         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8302         return with TREE_NO_WARNING.
8303
8304 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8305
8306         PR rtl-optimization/23233
8307         * loop.c (combine_movables): Require the modes to be the same.
8308         (move_movables): Remove handling of cases where the replacement
8309         had a different mode to the original.
8310
8311 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8312
8313         PR tree-optimization/23128
8314         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8315         subtraction wrap, and set TREE_OVERFLOW if they do.
8316
8317 2005-08-05  Richard Henderson  <rth@redhat.com>
8318
8319         PR 21728
8320         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8321         FORCED_LABEL labels.
8322
8323 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8324
8325         PR middle-end/23135
8326         * reload.c (find_reloads_subreg_address): Pass down TYPE
8327         unchanged.  Change all callers except find_reloads_toplev.
8328
8329 2005-08-05  Michael Matz  <matz@suse.de>
8330
8331         * genattrtab.c (current_alternative_string): Remove.
8332         (SIMPLIFY_ALTERNATIVE): Ditto.
8333         (attr_alt_bit_p): Ditto.
8334         (alternative_name): Make const char *.
8335         (evaluate_eq_attr): Remove use of above things.
8336         (simplify_test_exp): Ditto.
8337         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8338         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8339
8340 2005-08-04  James E Wilson  <wilson@specifix.com>
8341
8342         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8343         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8344         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8345         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8346         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8347
8348 2005-08-04  Richard Henderson  <rth@redhat.com>
8349
8350         PR 21529
8351         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8352         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8353         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8354         if we'd have to instantiate too many members.
8355
8356 2005-08-04  Richard Henderson  <rth@redhat.com>
8357
8358         PR 21291
8359         * tree-outof-ssa.c (coalesce_asm_operands): New.
8360         (coalesce_ssa_name): Use it.  Split out ...
8361         (coalesce_phi_operands, coalesce_result_decls): ... these.
8362
8363 2005-08-04  Paul Brook  <paul@codesourcery.com>
8364
8365         * read-rtl.c (read_quoted_string): Break if EOF.
8366
8367 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8368
8369         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8370         (fold_build2): Likewise.
8371         (fold_build3): Likewise.
8372         (fold_build1_stat): New function prototype.
8373         (fold_build2_stat): Likewise.
8374         (fold_build3_stat): Likewise.
8375         * fold-const.c (fold_build1): Rename to ..
8376         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8377         through to build1_stat.
8378         (fold_build2): Rename to ..
8379         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8380         through to build2_stat.
8381         (fold_build3): Rename to ..
8382         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8383         through to build3_stat.
8384
8385 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8386             Ian Lance Taylor  <ian@airs.com>
8387
8388         * function.c (assign_stack_local_1): Do not correct stack slot
8389         address if allocation size is smaller than mode size.
8390
8391 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8392
8393         PR 22037
8394         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8395         (tree_merge_blocks): Propagate anything allowed by
8396         may_propagate_copy.
8397         Clarify documentation.
8398         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8399         SSA form, schedule an update if necessary.
8400
8401 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8402
8403         * doc/install.texi (Binaries): Remove broken link to
8404         Sinix/Reliant Unix binaries.
8405
8406 2005-08-03  Richard Henderson  <rth@redhat.com>
8407
8408         PR 23221
8409         * function.c (stack_protect_epilogue): Export.
8410         * tree.h (stack_protect_epilogue): Declare.
8411         * calls.c (expand_call): Call it.
8412
8413 2005-08-03  Eric Christopher  <echristo@apple.com>
8414
8415         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8416         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8417         spec.
8418
8419 2005-08-04  Jan Hubicka  <jh@suse.cz>
8420
8421         * profile.c (branch_prob): Split edges with goto locus on them
8422         to get proper line counts.
8423         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8424
8425 2005-08-03  Paul Brook  <paul@codesourcery.com>
8426
8427         * function.c (assign_parms): Round current_function_args_size
8428         to PARM_BOUNDARY, not STACK_BOUNDARY.
8429
8430 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8431
8432         * config/i386/i386.c (x86_elf_aligned_common)
8433         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8434
8435 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8436
8437         PR tree-optimization/23157
8438         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8439         before emitting them.
8440
8441 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8442
8443         PR tree-optimization/19899
8444         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8445         * tree-scalar-evolution.c: Include real.h.
8446         (add_to_evolution): Build constant -1 of correct type.
8447
8448 2005-08-03  Jan Hubicka  <jh@suse.cz>
8449
8450         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8451         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8452         profile updating for complette unrolling.
8453         * loop-unroll.c (peel_loop_completely): Use it.
8454         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8455         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8456         loops.
8457
8458 2005-08-03  Paul Brook  <paul@codesourcery.com>
8459
8460         * combine.c (can_change_dest_mode): New function.
8461         (try_combine, simplify_set): Use it.
8462
8463 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8464
8465         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8466         TFmode to BLKmode.
8467
8468 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8469
8470         * doc/install.texi (Specific): Adjust link to openavr.org.
8471         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8472         (Binaries): Adjust HP-UX Porting Center link.
8473         (Binaries): Adjust Free Software Foundation ordering link.
8474
8475 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8476
8477         * convert.c (convert_to_integer): Use fold_build1 instead of
8478         build1 when converting an integer to an integer.
8479
8480 2005-08-02  Richard Henderson  <rth@redhat.com>
8481
8482         * combine.c (combine_instructions): Don't use reg_equal/equiv
8483         results if the mode doesn't match.
8484
8485 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8486
8487         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8488         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8489
8490 2005-08-02  Richard Henderson  <rth@redhat.com>
8491
8492         PR 23196
8493         * explow.c (memory_address): Remove special-case for
8494         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8495
8496 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8497
8498         PR 23164
8499         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8500         number of calls to cleanup_tree_cfg_1.
8501
8502 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8503
8504         * doc/invoke.texi: document file extensions .F90 and .F95
8505
8506 2005-08-02  Richard Guenther  <rguenther@suse.de>
8507
8508         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8509         positive if its first argument is positive.
8510
8511 2005-08-02  Richard Guenther  <rguenther@suse.de>
8512
8513         PR tree-optimization/23177
8514         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8515         on TMR_TAG.
8516
8517 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8518
8519         PR tree-optimization/23129
8520         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8521         varying for divisions with anti-ranges.
8522
8523 2005-08-02  Jan Hubicka  <jh@suse.cz>
8524
8525         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8526         * tree-ssa-threadupdate.c (thread_block): Add it here.
8527
8528 2005-08-01  James E Wilson  <wilson@specifix.com>
8529
8530         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8531         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8532         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8533         New.
8534         * config/mips/predicates.md (const_call_insn_operand): Add check for
8535         SYMBOL_REF_LONG_CALL_P.
8536         * doc/extend.texi (long_call): Document the new attribute.
8537
8538 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8539             Richard Henderson  <rth@redhat.com>
8540
8541         * Makefile.in (RTL_BASE_H): Add real.h.
8542         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8543         instead of memcpy.
8544         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8545         directly.
8546         * rtl.c (rtl_check_failed_code_mode): New.
8547         * rtl.h (struct rtx_def): Add u.rv.
8548         (XCMWINT, XCNMPRV): New.
8549         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8550         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8551
8552 2005-08-01  Richard Henderson  <rth@redhat.com>
8553
8554         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8555         with auto-inc codes.
8556
8557         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8558
8559 2005-08-01  Jan Hubicka  <jh@suse.cz>
8560
8561         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8562         * i386.c: Include dwarf2.h
8563         (asm_preferred_eh_data_format): New.
8564         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8565
8566 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8567
8568         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8569         randomize_va_space for virtual address randomization control.
8570
8571 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8572
8573         * common.opt (flag_ipa_cp): Put in right place to maintain
8574         alphabetic sort.
8575
8576 2005-08-01  Jan Hubicka  <jh@suse.cz>
8577
8578         * profile.c (compute_value_histograms): Fix thinko.
8579         * value-prof.c: Include toplev.h
8580         (check_counter): New function.
8581         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8582         tree_mod_subtract_transform): Add sanity check.
8583
8584 2005-08-01  Richard Guenther  <rguenther@suse.de>
8585
8586         PR tree-optimization/23133
8587         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8588         current functions parameter decls to find defs to cse
8589         reciprocals of.
8590
8591 2005-08-01  Richard Guenther  <rguenther@suse.de>
8592
8593         PR tree-optimization/23109
8594         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8595         If trapping math is in effect, use post-dominator information
8596         to check if we'd in any case reach a trapping point before
8597         doing the reciprocal insertion.
8598         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8599         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8600         expressions are invariant only if trapping math is not in effect.
8601
8602 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8603
8604         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8605         cgraph_function_versioning): New declarations.
8606         * cgraphunit.c: Add include to ipa-prop.h.
8607         (update_call_expr, cgraph_copy_node_for_versioning,
8608         cgraph_function_versioning): New functions.
8609         * integrate.c (copy_decl_for_inlining): Remove.
8610         * ipa-prop.h (ipa_replace_map): New struct.
8611         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8612         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8613         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8614         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8615         ipcp_iterate_stage, ipcp_method_scale_print,
8616         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8617         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8618         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8619         ipcp_update_bb_counts, ipcp_update_profiling,
8620         ipcp_update_edges_counts): New functions.
8621         (ipcp_method_cval_init): Remove restriction regarding local methods.
8622         (ipcp_init_stage): Add ipcp_method_compute_scale.
8623         (ipcp_insert_stage): Add versioning.
8624         (ipcp_structures_print): Add ipcp_method_scale_print.
8625         (ipcp_driver): Dump profiling info.
8626         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8627         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8628         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8629         (struct inline_data): Add versioning_p, ipa_info, new fields.
8630         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8631         declare_return_variable): Replace calls to copy_decl_for_inlining with
8632         copy_decl_for_dup.
8633         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8634         versioning support.
8635         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8636         Add argument VERSIONING.
8637         (copy_arguments_for_versioning, copy_static_chain,
8638         function_versionable_p, tree_versionable_function_p,
8639         tree_function_versioning, replace_ref_tree): New functions.
8640         * tree-inline.h: Include varray.h.
8641         (tree_versionable_function_p,  tree_function_versioning,
8642         tree copy_decl_for_dup): New declarations.
8643
8644 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8645
8646         * ipa-cp.c: New file. Contains IPCP specific functionality.
8647         * ipa-prop.h: New file. Contains structures/definitions that can be
8648         used by several interprocedural data flow optimizations (and also IPCP).
8649         * ipa-prop.c: New file.
8650         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8651         * common.opt: Add ipa-cp flag.
8652         * timevar.def: Add IPCP optimization.
8653         * tree-optimize.c (init_tree_optimization_passes): Schedule
8654         pass_ipa_cp.
8655         * tree-pass.h (pass_ipa_cp): Declare.
8656
8657 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8658
8659         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8660         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8661         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8662         config/i386/i386.c, config/mips/mips.h,
8663         config/rs6000/rs6000.h, config/sh/sh.c,
8664         config/stormy16/stormy16.c: Fix comment typos.
8665
8666 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8667
8668         PR c/22311
8669         * c-typeck.c (build_binary_op): Use common_type wrapper on
8670         shortened types.
8671         (common_type): Update comment.
8672
8673 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8674
8675         PR target/23095
8676         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8677         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8678         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8679
8680 2005-07-31  Jan Hubicka  <jh@suse.cz>
8681
8682         * pretty-print.h (pp_widest_integer): New macro.
8683         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8684         counts.
8685
8686 2005-07-31  Jan Hubicka  <jh@suse.cz>
8687
8688         * output.h (enum section_category): Export from varasm.c
8689         (categorize_decl_for_section): Likewise.
8690         * varasm.c (enum section_category): Kill.
8691         (categorize_decl_for_section): Make global.
8692         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8693         Declare.
8694         * i386.c (ix86_section_threshold): New static variable.
8695         (ix86_in_large_data_p, ix86_encode_section_info,
8696         x86_64_elf_unique_section,
8697         x86_64_elf_select_section): New functions.
8698         (TARGET_ENCODE_SECTION_INFO): Define
8699         (override_options): Enable medium model for PIC.
8700         (ix86_expand_prologue): Expand gen_set_got_rex64.
8701         (legitimate_constant_p): Handle new UNSPECs.
8702         (legitimate_pic_address_disp_p): Likewise.
8703         (legitimize_pic_address): Lower MEDIUM model addressing.
8704         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8705         (enum cmodel): Add MEDIUM_PIC.
8706         (SYMBOL_REF_FAR_ADDR_P): New macro.
8707         (SYMBOL_FLAG_FAR_ADDR): New flag.
8708         * i386.md (movdi): Support medium model.
8709         (set_got_rex64): New pattern.
8710         * i386.opt (mlarge-data-threshold): New flag.
8711         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8712         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8713         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8714         TARGET_ASM_UNIQUE_SECTION): New.
8715
8716         * invoke.texi (-mlarge_data_threshold): Document
8717
8718 2005-07-31  Jan Hubicka  <jh@suse.cz>
8719
8720         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8721         (coalesce_vars): Likewise.
8722         * tree-ssa-live.c (coalesce_cost): New.
8723         (build_tree_conflict_graph): Use coalesce_cost.
8724         * tree-ssa-live.h (coalesce_cost): Declare.
8725
8726 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8727
8728         * arm.md (all peepholes for post-increment operations): Delete.
8729         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8730         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8731         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8732         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8733         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8734
8735 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8736
8737         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8738         non-integral types.
8739
8740 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8741
8742         PR target/22582
8743         * doc/invoke.texi: Document -rdynamic.
8744
8745 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8746
8747         PR c/23143
8748         * c-parser.c (c_parser_parms_list_declarator): Call
8749         mark_forward_parm_decls.
8750         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8751         decls with visibility structure.
8752
8753 2005-07-30  Paul Brook  <paul@codesourcery.com>
8754
8755         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8756
8757 2005-07-30  Paul Brook  <paul@codesourcery.com>
8758
8759         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8760         prototype.
8761         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8762         value for mode.
8763         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8764
8765 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8766
8767         PR c/529
8768         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8769         nested function declarators.
8770         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8771         (grokparms): Call warn_if_shadowing for parameters used within the
8772         parameter list.
8773         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8774         not used within the parameter list.
8775         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8776
8777 2005-07-30  Jan Hubicka  <jh@suse.cz>
8778
8779         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8780         * i386.c (ix86_fixup_binary_operands): Likewise.
8781         (ix86_expand_unary_operator): Likewise.
8782         (ix86_expand_fp_absneg_operator): Likewise.
8783         * optabs.c (expand_vec_cond_expr): Validate dest.
8784
8785 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8786
8787         PR c/21720
8788         * real.c (real_from_string): Also set last bit if there is a
8789         nonzero hex digit beyond GCC's internal precision after ".".
8790
8791 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8792
8793         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8794         define_constants.  Change duplicate values to unassigned numbers.
8795         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8796         (*altivec_vspltsf): New.
8797         (altivec_vperm_v4sf): Delete.
8798         (altivec_vperm_<mode>): Use mode macro V.
8799         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8800         (altivec_predicate_v4sf): Delete.
8801         (altivec_predicate_<mode>): Use mode macro V.
8802         (*altivec_lvesfx): New.
8803         (*altivec_stvesfx): New.
8804         (vec_realign_load_v4sf): Delete.
8805         (vec_realign_load_<mode>): Use mode macro V.
8806         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8807         UNSPECV_SET_VRSAVE.
8808
8809 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8810
8811         PR bootstrap/23131
8812         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8813         string.
8814         * configure: Regenerated.
8815
8816 2005-07-29  Paul Brook  <paul@codesourcery.com>
8817
8818         * doc/install.texi: Add link to GFortran binaries wiki page.
8819
8820 2005-07-29  David Ung  <davidu@mips.com>
8821
8822         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8823         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8824         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8825         * config/mips/mips.md (cpu): Add 5kf name.
8826         (includes): Includes 5k.md.
8827         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8828         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8829         -march flag.
8830
8831 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8832
8833         PR 22550
8834         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8835         (cleanup_tree_cfg): ... here.
8836         Call cleanup_tree_cfg_1 until there are no more cleanups to
8837         do.
8838
8839 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8840
8841         * tree-vrp.c (compare_range_with_value): Return true or false
8842         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8843         EQ_EXPR respectively.
8844
8845 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8846
8847         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8848         Fix comment typos.
8849
8850 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8851
8852         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8853         (tree_ssa_dominator_optimize): Increment it.
8854         (dump_dominator_optimization_stats): Print it.
8855
8856 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8857             Steven Bosscher  <stevenb@suse.de>
8858
8859         PR rtl-optimization/23117
8860         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8861         when head == tail.  Tidy comment.
8862
8863 2005-07-28  Richard Henderson  <rth@redhat.com>
8864
8865         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8866         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8867         * jump.c (rtx_renumbered_equal_p): Likewise.
8868         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8869         CONST_INT and CONST_DOUBLE.
8870         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8871         * reload.c (operands_match_p): Special case CONST_INT and
8872         CONST_DOUBLE; check mode earlier.
8873
8874 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8875
8876         PR c/22240
8877         * c-typeck.c (convert_for_assignment): Do not check
8878         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8879
8880 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8881
8882         PR c/22192
8883         * c-typeck.c (composite_type): Prefer constant size arrays to
8884         VLAs.
8885
8886 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8887
8888         PR c/21720
8889         * real.c (real_from_string): Set last bit if there is a nonzero
8890         hex digit beyond GCC's internal precision.
8891
8892 2005-07-28  Richard Henderson  <rth@redhat.com>
8893
8894         PR rtl-opt/22619
8895         * cfgcleanup.c (try_forward_edges): Watch out for end of
8896         insn chain.
8897
8898 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8899
8900         PR c/23106
8901         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8902
8903 2005-07-28  Jan Hubicka  <jh@suse.cz>
8904
8905         * Makefile.in (rtl-profile.o): Kill all traces of it.
8906         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8907         * coverage.h (rtl_coverage_counter_ref): Kill.
8908         * opts.c (flag_speculative_prefetching_set): Kill.
8909         (flag_loop_optimize_set): New.
8910         (common_handle_option): Disable loop optimizer when profiling;
8911         do not handle speculative prefetching.
8912         * passes.c (init_optimization_passes): Replace pass_profiling combo
8913         by branch_prob pass.
8914         * profile.c (compute_value_histograms): Update for simplified value
8915         profiles.
8916         (rtl_register_profile_hooks): Kill.
8917         (pass_profiling): Kill.
8918         (rest_of_handle_branch_prob): Do not profile.
8919         * toplev.c (process_options): Remove speculative prefetching.
8920         * toplev.h (flag_tree_based_profiling): Kill.
8921         * tree-profile.c (prepare_instrumented_value,
8922         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8923         tree_gen_one_value_profiler, do_tree_profiling): Update for
8924         simplified datastructures.
8925         * value-prof.c: Add comment that speculative prefetching was dropped;
8926         update rest of file for simplified datastructures.
8927         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8928         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8929         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8930         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8931         rtl_mod_subtract, gen_speculative_prefetch,
8932         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8933         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8934         (gate_handle_value_profile_transformations,
8935         rest_of_handle_value_profile_transformations,
8936         pass_value_profile_transformations): Kill.
8937         * value-prof.h (histogram_value_t): Remove IL based unions.
8938         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8939         rtl_profile_hooks): Remove hooks.
8940
8941         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8942
8943         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8944         (cgraph_clone_node): Likewise.
8945         * cgraph.h (cgraph_clone_edge): Update prototype.
8946         (cgraph_clone_node): Likewise.
8947         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8948         cgraph_clone_node.
8949         (lookup_recursive_calls): Consider profile.
8950         (cgraph_decide_recursive_inlining): Fix updating; use new
8951         probability argument; use profile.
8952         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8953         * tree-inline.c (copy_bb): Update clal of clone_edge.
8954         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8955
8956         * invoke.texi (min-inline-recursive-probability): Document.
8957
8958 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8959
8960         * doc/install.texi (Configuration): Update Valgrind homepage.
8961
8962 2005-07-28  Richard Henderson  <rth@redhat.com>
8963
8964         PR middle-end/21362
8965         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8966         labels we want to delete.
8967         (cfg_layout_merge_blocks): Likewise.
8968
8969 2005-07-28  Richard Henderson  <rth@redhat.com>
8970
8971         PR target/17692
8972         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8973         when expanding to nothing.
8974
8975 2005-07-28  Josh Conner  <jconner@apple.com>
8976
8977         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8978         (cgraph_decide_inlining_of_small_functions): Likewise.
8979
8980 2005-07-28  Josh Conner  <jconner@apple.com>
8981
8982         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8983         direction of badness if negative.
8984         (cgraph_default_inline_p): Add reason to parameters, and assign it
8985         a value.
8986         (cgraph_decide_inlining_of_small_functions): New parameter in call
8987         to cgraph_default_inline_p.
8988         (cgraph_decide_inlining_incrementally): Likewise.
8989         * cgraphunit.c (decide_is_function_needed): Likewise.
8990         * cgraph.h (cgraph_default_inline_p): Likewise.
8991
8992 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8993
8994         * builtins.c: Fix comment typo(s).
8995         * genautomata.c: Likewise.
8996         * gimplify.c: Likewise.
8997         * tree-dfa.c: Likewise.
8998         * tree-flow-inline.h: Likewise.
8999         * tree-into-ssa.c: Likewise.
9000         * tree-ssa-alias.c: Likewise.
9001         * tree-ssa-ccp.c: Likewise.
9002         * tree-ssa-copy.c: Likewise.
9003         * tree-ssa-dce.c: Likewise.
9004         * tree-ssa-dom.c: Likewise.
9005         * tree-ssa-operands.c: Likewise.
9006         * tree-tailcall.c: Likewise.
9007         * tree-vectorizer.c: Likewise.
9008         * tree-vrp.c: Likewise.
9009         * tree.c: Likewise.
9010
9011 2005-07-28  Jeff Law  <law@redhat.com>
9012
9013         * tree-vrp.c (test_for_singularity): Extracted from  ...
9014         (simplify_cond_using_ranges): Attempt to simplify a relational
9015         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9016
9017 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9018
9019         PR tree-optimization/22506
9020         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9021         phis whose argument is constant.
9022
9023 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9024
9025         PR rtl-optimization/18992
9026         Back out this patch:
9027           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9028           PR optimization/12142
9029           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9030           uses of the register in the SET_SRC.  Remove unnecessary argument.
9031
9032         Replace it with this:
9033         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9034         if flag_non_call_exceptions is set and the insn may trap, pass
9035         pc_rtx as dest for recursion.
9036         In SET_SRC part of SET case, if dest is already set, pass it down
9037         unchanged.
9038
9039 2005-07-28  Jan Hubicka  <jh@suse.cz>
9040
9041         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9042         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9043         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9044         roundoff errors.
9045         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9046         profile when available.
9047
9048 2005-07-28  Jan Beulich <jbeulich@novell.com>
9049
9050         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9051         (ia64_print_operand): Describe and handle 'X'.
9052         (ia64_register_move_cost): Also handle FP_REGS.
9053         (ia64_preferred_reload_class): Likewise.
9054         (ia64_secondary_reload_class): Likewise.
9055         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9056         it. Also check for ITANIUM_CLASS_FLDP.
9057         * config/ia64/ia64.h (FP_REGNO_P): New.
9058         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9059         (reg_class): Add FP_REGS.
9060         (REG_CLASS_NAMES): Adjust for it.
9061         (REG_CLASS_CONTENTS): Likewise.
9062         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9063         (REG_CLASS_FROM_LETTER): Handle 'x'.
9064         (CLASS_MAX_NREGS): Handle FP_REGS.
9065         (MEMORY_MOVE_COST): Likewise.
9066         * config/ia64/ia64.md (itanium_class): Add fldp.
9067         (type): Handle fldp.
9068         (movti_internal): More allowable operand combinations. Use ldfp8 when
9069         splitting unnecessary. Remove predicable attribute. Adjust
9070         itanium_class attribute.
9071         (smuldi3_highpart): Remove outdated comment.
9072         (mulditi3, umulditi3, rotlti3): New expanders.
9073         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9074         (absti2): Disabled new insn for future reference.
9075         Respective new splitters.
9076         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9077         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9078         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9079
9080 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9081
9082         PR rtl-optimization/23047
9083         * simplify-rtx.c (simplify_const_relational_operation): Respect
9084         flag_wrapv for comparisons with ABS.
9085
9086 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9087
9088         PR tree-optimization/22493
9089         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9090         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9091
9092 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9093
9094         * config/frv/frv.opt (moptimize-membar): New.
9095
9096         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9097
9098         * config/frv/frv.h: Remove machine_function definition.
9099
9100         * config/frv/frv.c (struct frv_io): New.
9101         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9102         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9103         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9104         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9105         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9106         (frv_reorg): Call frv_optimize_membar when appropriate.
9107         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9108         (frv_expand_builtin): Adjust calls accordingly.
9109         (frv_io_address_cookie): New function.
9110         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9111         load or store rather than a special insn.  Add ccnstant address and
9112         io-type operands to the membar.
9113         (frv_ifcvt_modify_tests): Unsign regno.
9114         (frv_ifcvt_modify_tests): Same.
9115
9116         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9117         UNSPEC_OPTIONAL_MEMBAR constant.
9118         (builtin_read_<mode>): Delete.
9119         (builtin_write_<mode>): Delete.
9120         ("optional_membar_<mode>"): Add operand.
9121
9122         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9123         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9124         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9125         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9126         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9127         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9128         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9129         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9130         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9131
9132 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9133
9134         * df.c (df_uses_record): Handle SCRATCH.
9135
9136 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9137
9138         PR debug/20161
9139         * passes.c (rest_of_decl_compilation): If decl is a type and
9140         we have encountered errors, don't emit debug information.
9141
9142 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9143
9144         * params.def: Fixed comment.
9145
9146 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9147
9148         PR target/19885
9149         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9150         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9151         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9152
9153 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9154
9155         PR c++/22003
9156         * varasm.c (assemble_start_function): Don't do anything that may
9157         require a CFG if the current function is a thunk.
9158
9159 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9160
9161         * doc/install.texi (Prerequisites): Mention that perl is needed
9162         to do export control in libstdc++ targetting Darwin.
9163
9164 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9165
9166         PR rtl-optimization/17808
9167         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9168         (sched_insns_conditions_mutex_p): Split out from...
9169         (add_dependence): ...here.  But don't call it from here.
9170         (add_dependence_list): Check sched_insns_conditions_mutex_p
9171         before calling add_dependence.
9172         (add_dependence_list_and_free): Likewise.
9173         (fixup_sched_groups): Likewise.
9174         (sched_analyze_1): Likewise.
9175         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9176         (sched_analyze): Likewise.
9177         (sched_analyze_insn): Likewise.
9178         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9179         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9180         dependencies on all COND_EXEC insns to jumps ending basic blocks
9181         when doing intrablock scheduling.
9182         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9183
9184 2005-07-27  Jeff Law  <law@redhat.com>
9185
9186         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9187         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9188         equivalency sets, correctly handle the case were vr0 has an
9189         equivalency set, but vr1 does not.
9190
9191 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9192
9193         PR tree-optimization/23073
9194         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9195         vect_print_dump_info before fprintf.
9196
9197 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9198
9199         PR tree-optimize/22348
9200         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9201         Fold the partial computation.
9202
9203 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9204
9205         PR tree-optimization/22325
9206         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9207         Declare.
9208         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9209         value replacement.
9210         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9211         (force_var_cost): ... this function.
9212         (compute_phi_arg_on_exit): Export.
9213
9214 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9215
9216         PR tree-optimization/20773
9217         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9218         edge.
9219
9220 2005-07-27  Richard Guenther  <rguenther@suse.de>
9221
9222         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9223         Avoid pushing again if current struct contains only
9224         fields we decomposed.
9225
9226 2005-07-27  Jan Hubicka  <jh@suse.cz>
9227
9228         PR tree-optimization/22574
9229         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9230         not available.
9231
9232         * tree-tailcall.c (decrease_profile): New function.
9233         (eliminate_tail_call): Use it.
9234
9235         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9236         visibility flags correctly in whole program mode.
9237
9238 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9239
9240         PR rtl-optimization/22472
9241         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9242
9243 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9244
9245         PR tree-optimization/22504
9246         * tree-complex.c (expand_complex_addition): Use 'code' instead
9247         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9248
9249 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9250
9251         * config.gcc (cpu_type): Add frv case.
9252         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9253         (supported_defaults): Add fr550 case.
9254
9255 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9256
9257         PR 22591
9258         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9259         whether a pointer of type T * may point to objects of type T *.
9260
9261 2005-07-26  DJ Delorie  <dj@redhat.com>
9262
9263         * configure: Regenerate.
9264
9265 2005-07-26  Dale Johannesen  <dalej@apple.com>
9266
9267         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9268
9269 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9270
9271         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9272         Clarify use of "build" in name.
9273
9274 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9275
9276         * doc/extend.texi (Raw read/write Functions): New section.
9277         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9278         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9279         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9280         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9281         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9282         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9283         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9284         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9285         * config/frv/frv.c: Add bdesc_loads global.
9286         Add bdesc_stores global.
9287         (frv_init_builtins): Add support for __builtin_{read/write}*.
9288         (frv_volatile_memref): New.
9289         (frv_expand_load_builtin): New.
9290         (frv_expand_store_builtin): New.
9291         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9292         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9293         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9294         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9295         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9296         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9297         (builtin_read_<mode>): New.
9298         (builtin_write_<mode>): New.
9299         (builtin_write64): New.
9300         (optional_membar_<mode>): New.
9301
9302 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9303
9304         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9305         (rather than units) against HOST_BITS_PER_WIDE_INT.
9306
9307 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9308
9309         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9310         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9311         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9312         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9313         FSF address.
9314
9315         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9316         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9317         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9318         comment typos.
9319         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9320
9321 2005-07-26  Richard Guenther  <rguenther@suse.de>
9322
9323         PR tree-optimization/22486
9324         * fold-const.c (fold_unary): Fold away useless component
9325         references of the form (T *)&T.x, if the address
9326         doesn't change.
9327
9328 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9329
9330         * dwarf2out.c (add_call_src_coords_attributes): New.
9331         (gen_inlined_subroutine_die): Call it.
9332         (maybe_emit_file, init_file_table): Add comments.
9333         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9334         maybe_emit_file.
9335         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9336         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9337         * tree.h (BLOCK_SOURCE_LOCATION): New.
9338         (struct tree_block): New field locus.
9339
9340 2005-07-26  Andreas Schwab  <schwab@suse.de>
9341
9342         PR rtl-optimization/23043
9343         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9344         when allocating a struct unoccr.
9345
9346 2005-07-25  Richard Henderson  <rth@redhat.com>
9347
9348         PR 22626
9349         * tree-complex.c (gate_no_optimization): True if errors.
9350         * Makefile.in (tree-complex.o): Update dependencies.
9351
9352 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9353
9354         * config/frv/predicates.md (integer_register_operand): Use
9355         GPR_AP_OR_PSEUDO_P.
9356
9357 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9358
9359         PR tree-opt/22484
9360         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9361         after fold.
9362         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9363
9364 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9365
9366         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9367         types when flag_unsafe_math_optimizations is true.
9368
9369 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9370
9371         * gcc.c (option_map): Add --sysroot.
9372         (process_command): Handle --sysroot.
9373         (display_help): Document it.
9374         * doc/cppopts.tex (-isysroot): Document.
9375         * doc/invoke.texi (--sysroot): Document.
9376         * doc/install.texi (--with-build-sysroot): Document.
9377
9378         * Makefile.in (inhibit_libc): New variable.
9379         (INHIBIT_LIBC_CFLAGS): Likewise.
9380         (LIBGCC2_CFLAGS): Include
9381         $(INHIBIT_LIBC_CFLAGS).
9382         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9383         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9384         ($(T)crtend.o): Likewise.
9385         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9386         ($(T)crtendS.o): Likewise.
9387         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9388         ($(T)crtendT.o): Likewise.
9389         (stmp-fixinc): Do not complain about missing headers if
9390         inhibit_libc.
9391         * configure.ac (inhibit_libc): Set it to true/false.
9392         (--with-build-sysroot): New option.  Use it to set
9393         SYSTEM_HEADER_DIR.
9394         * configure: Regenerated.
9395
9396 2005-07-25  Manfred Hollstein  <mh@suse.com>
9397
9398         * calls.c (store_one_arg): Fix unsigned comparison warning.
9399
9400 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9401
9402         PR other/22337
9403         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9404         (ggc_print_statistics): Initialize variable before use.
9405
9406 2005-07-25  Richard Guenther  <rguenther@suse.de>
9407
9408         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9409         calling with a PHI_NODE argument.
9410
9411         * tree-flow-inline.h (overlap_subvar): Protect against
9412         possible overflow.
9413
9414 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9415
9416         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9417         * configure: Regenerate.
9418
9419 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9420
9421         * expr.c (highest_pow2_factor): Make extern.
9422         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9423         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9424         record_array_differ_p, array_ptr_differ_p): Likewise.
9425         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9426         additional cases. Call the above functions.
9427         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9428         base_object_differ_p when there are two base objects. Otherwise, compare
9429         base address and offset. Call may_alias_p.
9430         (dump_data_reference): Use a correct field name.
9431         (analyze_array): Make static. Initialize new data-ref fields.
9432         (analyze_indirect_ref): New function.
9433         (init_data_ref): Initialize new data-ref fields.
9434         (strip_conversion): Moved from tree-vect-analyze.c.
9435         (analyze_offset_expr, get_ptr_offset, address_analysis,
9436         object_analysis): Likewise.
9437         (analyze_offset): New function.
9438         (create_data_ref): Likewise.
9439         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9440         dimensions for ARRAY_REFs only.
9441         (build_classic_dist_vector): Make static.
9442         (access_functions_are_affine_or_constant_p): Call macro to get the
9443         address of access functions.
9444         (compute_all_dependences): Add new parameter
9445         compute_self_and_read_read_dependences. Compute self and read-read
9446         dependences if it is true.
9447         (find_data_references_in_loop): Call create_data_ref. Initialize new
9448         data-ref fields.
9449         (compute_data_dependences_for_loop): Add new parameter
9450         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9451         compute nb_loops. Call compute_all_dependences,
9452         build_classic_dist_vector and build_classic_dir_vector with correct
9453         parameters.
9454         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9455         with correct parameters. Compare dimensions for ARRAY_REFs only.
9456         (free_data_refs): Call macro to free access functions.
9457         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9458         fields from stmt_vinfo.
9459         (struct base_object_info): New structure.
9460         (struct data_reference): Move fields to base_object_info. Add fields
9461         first_location and object_info for above structures. Move fields from
9462         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9463         aligned_to.  Add macros to access the new fields.
9464         Update functions declarations.
9465         * tree-flow.h (is_aliased_with): Declare.
9466         * tree-loop-linear.c (linear_transform_loops): Call
9467         compute_data_dependences_for_loop with correct parameters.
9468         * tree-ssa-alias.c (is_aliased_with): New function.
9469         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9470         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9471         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9472         vect_base_addr_differ_p, compute_subscript_distance and
9473         build_classic_dist_vector. Add printings. Check absolute value of
9474         distance.
9475         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9476         data-refs.
9477         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9478         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9479         to bytes. Add printing.
9480         (vect_compute_data_refs_alignment): Go through loads and stores in one
9481         loop.
9482         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9483         vect_analyze_data_ref_access): Likewise.
9484         (vect_analyze_pointer_ref_access): Remove.
9485         (vect_address_analysis, vect_object_analysis): Likewise.
9486         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9487         and analyze data-refs in the loop.
9488         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9489         fields of data-ref instead of stmt. Add init to the offset from the
9490         base.
9491         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9492         (vect_update_init_of_dr): Likewise.
9493         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9494         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9495         removed fields.
9496         (new_loop_vec_info): Initialize new fields.
9497         (destroy_loop_vec_info): Free new fields.
9498         (vect_strip_conversion): Remove.
9499         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9500         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9501         datarefs. Add new field ddrs.
9502         Add macros for the new fields access.
9503         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9504         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9505         Remove their macros.
9506         * tree.h (highest_pow2_factor): Declare.
9507
9508 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9509
9510         * calls.c (store_one_arg): Check for sibling call MEM arguments
9511         from already clobbered incoming argument area.
9512
9513 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9514
9515         * c-common.c (check_missing_format_attribute): New.
9516         * c-common.h (check_missing_format_attribute): Likewise.
9517         * c-typeck.c (convert_for_assignment): Use it.
9518
9519 2005-07-24  Andreas Schwab  <schwab@suse.de>
9520
9521         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9522         register use a word move.  Correct operand of ext.w in 68000 code.
9523
9524 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9525
9526         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9527         variables as declarations, rather than definitions.
9528
9529 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9530
9531         PR tree-optimization/22526
9532         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9533         of the zero node.
9534
9535 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9536
9537         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9538         that C99 reserve for future use. Use it to define clog10,
9539         clog10f and clog10l.
9540
9541 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9542
9543         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9544         * configure.ac: Check for -Wmissing-format-attribute.
9545
9546         * configure: Regenerate.
9547
9548 2005-07-23  Richard Henderson  <rth@redhat.com>
9549
9550         PR tree-optimization/22623
9551         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9552
9553 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9554
9555         PR target/22577
9556         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9557
9558 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9559
9560         * Makefile.in (C_TREE_H): Update dependencies.
9561         * c-tree.h: Include toplev.h.
9562         * diagnostic.h (diagnostic_set_info): Add format attribute.
9563         * rtl-error.c (diagnostic_for_asm): Likewise.
9564
9565 2005-07-23  Chao-ying Fu  <fu@mips.com>
9566
9567         * config/mips/mips-dsp.md: New file.
9568         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9569         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9570         functions.
9571         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9572         MIPS_BUILTIN_BPOSGE32.
9573         (mips_expand_builtin_direct): Add one parameter to indicate that
9574         builtin functions need to return a value.
9575         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9576         functions.
9577         (mips_regno_to_class): Add classes for 12 new DSP registers.
9578         (mips_subword): Change to check four HI registers.
9579         (mips_output_move): Output move to and from 6 new DSP accumulators.
9580         (override_options): Make sure -mdsp and -mips16 are not used together.
9581         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9582         for machine modes.
9583         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9584         when !TARGET_DSP.
9585         (print_operand): Add 'q' for printing DSP accumulators.
9586         (mips_cannot_change_mode_class): Check ACC_REGS.
9587         (mips_secondary_reload_class): Check ACC_REGS.
9588         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9589         (mips_register_move_cost): Check ACC_REGS.
9590         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9591         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9592         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9593         (dsp_bdesc): New array.
9594         (bdesc_arrays): Add DSP builtin function table.
9595         (mips_prepare_builtin_arg): Check predicate again after
9596         copy_to_mode_reg.
9597         (mips_expand_builtin): Add one more parameter to
9598         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9599         MIPS_BUILTIN_BPOSGE32.
9600         (mips_init_builtins): Initialize new function types.
9601         (mips_expand_builtin_direct): Check if builtin functions need to
9602         return a value and pass operands properly.
9603         (mips_expand_builtin_bposge): New function.
9604         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9605         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9606         (FIRST_PSEUDO_REGISTER): Increase to 188.
9607         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9608         Update for 12 new DSP registers.
9609         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9610         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9611         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9612         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9613         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9614         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9615         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9616         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9617         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9618         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9619         (REGISTER_NAMES): Add names for 12 new DSP registers.
9620         * config/mips/mips.md: Include mips-dsp.md.
9621         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9622         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9623         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9624         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9625         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9626         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9627         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9628         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9629         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9630         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9631         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9632         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9633         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9634         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9635         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9636         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9637         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9638         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9639         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9640         (UNSPEC_RDDSP): New constants.
9641         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9642         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9643         A<-d alternative.
9644         * config/mips/mips.opt (-mdsp): New option.
9645         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9646         (reg_imm10_operand): New predicates.
9647         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9648         * doc/invoke.texi (-mdsp): Document new option.
9649
9650 2005-07-22  DJ Delorie  <dj@redhat.com>
9651
9652         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9653         to warning calls.
9654         * tree-inline.c (inlinable_function_p): Likewise.
9655
9656 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9657
9658         PR debug/21828
9659         * toplev.c (check_global_declarations): Do not mark undefined
9660         variables as DECL_IGNORED_P.
9661         * varasm.c (first_global_object_name): GTY it.
9662         (weak_global_object_name): Likewise.
9663         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9664         a string to go into {weak,first}_global_object_name.
9665
9666 2005-07-22  DJ Delorie  <dj@redhat.com>
9667
9668         * c-format.c (check_function_format): Change warning control
9669         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9670
9671 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9672
9673         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9674         &PTR->FLD a dereference of PTR.
9675         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9676         a potential dereference of PTR.
9677
9678 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9679
9680         PR rtl-optimization/20370
9681         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9682         call allocate_reg_info if necessary.
9683
9684         PR rtl-optimization/21848
9685         * calls.c (emit_library_call_value_1): For const functions, add
9686         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9687
9688         PR rtl-optimization/22445
9689         * cselib.c (target.h): Include.
9690         (rtx_equal_for_cselib_p): Allow commutative matches.
9691         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9692         Remove MODE parameter.  Changed all callers.
9693
9694         PR rtl-optimization/22258
9695         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9696         New functions.
9697         (try_combine): Use likely_spilled_retval_p.
9698
9699 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9700
9701         * config.gcc: Add crx-elf support.
9702
9703         * doc/contrib.texi: Mention crx.
9704         * doc/extend.texi: Document crx extensions.
9705         * doc/install.texi: Document crx install.
9706         * doc/invoke.texi: Document crx options.
9707         * doc/md.texi: Document crx constraints.
9708
9709         * config/crx/crx-protos.h: New file.
9710         * config/crx/crx.c: New file.
9711         * config/crx/crx.h: New file.
9712         * config/crx/crx.md: New file.
9713         * config/crx/crx.opt: New file.
9714         * config/crx/t-crx: New file.
9715
9716 2005-07-22  Manfred Hollstein  <mh@suse.com>
9717
9718         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9719         warnings.
9720         (int_add_graph_edge): Likewise.
9721         (collapse_nodes): Likewise.
9722         (process_unification_queue): Likewise.
9723
9724 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9725             Laurent GUERBY  <laurent@guerby.net>
9726
9727         PR tree-optimization/22336
9728         * function.c (record_block_change): Check for
9729         cfun->ib_boundaries_block.
9730
9731 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9732
9733         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9734         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9735
9736 2005-07-21  DJ Delorie  <dj@redhat.com>
9737
9738         * toplev.c (warn_deprecated_use): Add warning control to warning
9739         call.
9740         * c-typeck.c (parser_build_binary_op): Likewise.
9741         (c_finish_if_stmt): Likewise.
9742         * c-common.c (check_function_sentinel): Likewise.
9743         (check_nonnull_arg): Likewise.
9744
9745 2005-07-21  Richard Henderson  <rth@redhat.com>
9746
9747         PR tree-opt/22504
9748         * tree-complex.c (complex_ssa_name_components): New.
9749         (cvc_lookup): Allow entry not found.
9750         (create_components): Remove.
9751         (create_one_component_var, get_component_var): New.
9752         (get_component_ssa_name, set_component_ssa_name): New.
9753         (extract_component): Use get_component_ssa_name.
9754         (update_complex_components): Use set_component_ssa_name.
9755         (update_complex_components_on_edge): Likewise.
9756         (update_phi_components): Create new PHI nodes directly, instead
9757         of adding insns to edges.
9758         (tree_lower_complex): Allocate and free complex_variable_components
9759         and complex_ssa_name_components here.
9760
9761 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9762
9763         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9764         revert to returning false.
9765
9766 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9767
9768         PR target/21149
9769         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9770
9771 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9772
9773         PR target/22576
9774         * config/i386/i386.md (cmpxf): Change operand constraints
9775         to "nonmemory_operand".
9776
9777 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9778
9779         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9780
9781 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9782
9783         PR middle-end/21180
9784         * fold-const.c (fold_build1): Add checksum for the operands.
9785         (fold_build2): Likewise.
9786         (fold_build3): Likewise.
9787
9788 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9789
9790         PR middle-end/19055
9791         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9792
9793 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9794
9795         * common.opt (-fforward-propagate): Committed by mistake,
9796         removed.
9797
9798 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9799
9800         * reg-stack.c: Fix comment typo(s).
9801         * tree-ssa-operands.c: Likewise.
9802         * tree-vectorizer: Likewise.
9803
9804 2005-07-21  Nick Clifton  <nickc@redhat.com>
9805
9806         * config/sh/symbian.c: Replace C++ style line comments with C
9807         style line comments.
9808         (symbian_add_attribute): Do not use a ? operator on the LHS of
9809         an assignment.
9810         (sh_symbian_handle_dll_attribute): Change the type of the
9811         method vector to "VEC(tree,gc)*" and use vector accessor
9812         macros to walk over the elements.
9813         (symbian_export_vtable_and_rtti_p): Likewise.
9814         (symbian_class_needs_attribute_p): Likewise.
9815
9816 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9817
9818         PR target/22085
9819         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9820         initialize targetm.resolve_overloaded_builtin here.
9821         (altivec_expand_overloaded_builtin): Make it non-static.
9822         * config/rs6000/rs6000-protos.h
9823         (altivec_expand_overloaded_builtin): New prototype.
9824         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9825         targetm.resolve_overloaded_builtin here.
9826         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9827
9828 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9829             Zdenek Dvorak  <dvorakz@suse.cz>
9830
9831         PR tree-optimization/19210
9832         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9833         New.
9834         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9835         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9836         rely on unproven assumptions.
9837         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9838         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9839         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9840         to number_of_iterations_exit.
9841         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9842         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9843         * tree-ssa-loop-niter.c (find_loop_niter,
9844         estimate_numbers_of_iterations_loop): Likewise.
9845         (number_of_iterations_exit): Honor the new options.
9846         * doc/invoke.texi (Wunsafe-loop-optimizations,
9847         funsafe-loop-optimizations): Document them.
9848
9849 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9850
9851         PR rtl-optimization/22167
9852         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9853
9854 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9855
9856         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9857         __do_global_dtors_aux longcall.
9858
9859 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9860
9861         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9862         (old_special_pred_table): Don't reference
9863         SPECIAL_MODE_PREDICATES.
9864         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9865         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9866         * config/sh/predicates.h: Don't mention
9867         SPECIAL_MODE_PREDICATES.
9868         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9869         Remove.
9870
9871 2005-07-20  DJ Delorie  <dj@redhat.com>
9872
9873         * config.gcc: Add m32c-elf support.
9874
9875         * doc/contrib.texi: Mention m32c.
9876         * doc/extend.texi: Document m32c extensions.
9877         * doc/install.texi: Mention m32c.
9878         * doc/invoke.texi: Document m32c options.
9879         * doc/md.texi: Document m32c constraints.
9880
9881         * config/m32c/addsub.md: New file.
9882         * config/m32c/bitops.md: New file.
9883         * config/m32c/cond.md: New file.
9884         * config/m32c/jump.md: New file.
9885         * config/m32c/m32c-lib1.S: New file.
9886         * config/m32c/m32c-lib2.c: New file.
9887         * config/m32c/m32c-modes.def: New file.
9888         * config/m32c/m32c-pragma.c: New file.
9889         * config/m32c/m32c-protos.h: New file.
9890         * config/m32c/m32c.abi: New file.
9891         * config/m32c/m32c.c: New file.
9892         * config/m32c/m32c.h: New file.
9893         * config/m32c/m32c.md: New file.
9894         * config/m32c/m32c.opt: New file.
9895         * config/m32c/minmax.md: New file.
9896         * config/m32c/mov.md: New file.
9897         * config/m32c/muldiv.md: New file.
9898         * config/m32c/predicates.md: New file.
9899         * config/m32c/prologue.md: New file.
9900         * config/m32c/shift.md: New file.
9901         * config/m32c/t-m32c: New file.
9902
9903 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9904
9905         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9906         (stack_protect_set, stack_protect_test): New expanders.
9907         (stack_protect_set_si, stack_protect_set_si_media,
9908         stack_protect_set_di_media, stack_protect_test_si,
9909         stack_protect_test_si_media, stack_protect_test_di_media):
9910         New insns.
9911
9912 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9913
9914         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9915
9916 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9917
9918         * tree.h (tree_expr_nonzero_p): Export.
9919         * fold-const.c (tree_expr_nonzero_p): Likewise.
9920         Return true for CALL_EXPRs that are alloca calls.
9921         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9922         against zero.
9923         * tree-flow.h (expr_computes_nonzero): Remove.
9924         * tree-vrp.c (expr_computes_nonzero): Remove.
9925         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9926         (extract_range_from_unary_expr): Likewise.
9927         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9928         tree_expr_nonzero_p.
9929
9930 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9931
9932         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9933         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9934         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9935         All callers changed.
9936         (frame_related_constant_load): New arg "related" which controls
9937         setting of RTX_FRAME_RELATED_P.  All callers changed.
9938         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9939         (bfin_expand_prologue): Add stack limit checking.
9940         * config/bfin/bfin.md (trapifcc): New pattern.
9941
9942         * config/bfin/bfin.c: Include "langhooks.h".
9943         (def_builtin): Go through lang_hooks to call builtin_function.
9944
9945         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9946         * config/bfin/predicates.md (symbol_ref_operand): New.
9947         (call_insn_operand): Delete.  All callers changed to use
9948         register_no_elim_operand.
9949         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9950         call_cookie field.
9951         (function_arg): Use it to generate the call's operand 2.
9952         (bfin_longcall_p): New function.
9953         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9954         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9955         determine if the address needs to be in a REG.
9956         (bfin_handle_longcall_attribute): New function.
9957         (bfin_attribute_table): Add "longcall" and "shortcall".
9958         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9959         (CUMULATIVE_ARGS): New member call_cookie.
9960         (PREDICATE_CODES): Add symbol_ref_operand.
9961         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9962         extra USE to the pattern.
9963         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9964         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9965         sibcall_value_insn; now the new patterns handle direct calls and the
9966         old ones indirect calls.
9967         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9968
9969 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9970
9971         * doc/trouble.texi: Update section on handling of empty loops.
9972
9973 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9974
9975         * config.gcc: Remove support for sparc-*-openbsd*,
9976         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9977         ns32k-*-netbsd*.
9978         * config.host: Remove support for i860-*-sysv4* as a host.
9979         * config/i860/*, config/ip2k/*, config/ns32k/*,
9980         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9981         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9982         mention obsolete ports.
9983
9984 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9985
9986         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9987         soft frame pointer.
9988         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9989         of frame_pointer_rtx.
9990         (sh_expand_epilogue): Likewise.
9991         (sh_set_return_address): Likewise.
9992         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9993         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9994         offsets from FRAME_POINTER_REGNUM.
9995         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9996         (sh_register_names): Add initializer for sfp.
9997         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9998         (VALID_REGISTER_P): Likewise.
9999         (FIRST_PSEUDO_REGISTER): Update.
10000         (DWARF_FRAME_REGISTERS): Define.
10001         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10002         (HARD_FRAME_POINTER_REGNUM): Define.
10003         (FRAME_POINTER_REGNUM): Redefine.
10004         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10005         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10006         from FRAME_POINTER_REGNUM.
10007         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10008         FRAME_POINTER_REGNUM.
10009         (REG_CLASS_CONTENTS): Add sfp.
10010         (REG_ALLOC_ORDER): Likewise.
10011         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10012         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10013         of frame_pointer_rtx.
10014         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10015
10016 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10017
10018         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10019         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10020         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10021         of an ABS_EXPR.
10022         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10023         ABS_EXPR<x>.
10024
10025 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10026
10027         Make CONSTRUCTOR use VEC to store initializers.
10028         * c-common.c (complete_array_type): Update to cope with VEC in
10029         CONSTRUCTOR_ELTS.
10030         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10031         (pp_c_constructor_elts): New function.
10032         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10033         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10034         struct constructor_stack, struct initializer_stack,
10035         constructor_elements, push_init_level, pop_init_level,
10036         add_pending_init, find_init_member, output_init_element): Update to
10037         cope with VEC in CONSTRUCTOR_ELTS.
10038         * coverage.c (build_fn_info_value, build_ctr_info_value,
10039         build_gcov_info): Likewise.
10040         * expr.c (categorize_ctor_elements_1, store_constructor,
10041         expand_expr_real_1): Likewise.
10042         * fold-const.c (fold_ternary): Likewise.
10043         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10044         gimplify_init_constructor, gimplify_expr): Likewise.
10045         * tree-dump.c (dequeue_and_dump): Likewise.
10046         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10047         node.
10048         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10049         CONSTRUCTOR_ELTS.
10050         * tree-sra.c (generate_element_init_1): Likewise.
10051         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10052         * tree-ssa-operands.c (get_expr_operands): Likewise.
10053         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10054         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10055         (get_initial_def_for_reduction): Likewise.
10056         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10057         value handle in annotations.
10058         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10059         tree_node_structure): Add support for constr_kind.
10060         (build_vector_from_ctor, build_constructor_single,
10061         build_constructor_from_list): New functions.
10062         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10063         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10064         Update to cope with VEC in CONSTRUCTOR_ELTS.
10065         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10066         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10067         CONSTRUCTOR_APPEND_ELT): New macros.
10068         (struct constructor_elt, struct tree_constructor): New data types.
10069         (union tree_node): Add tree_constructor field.
10070         * treestruct.def: Define TS_CONSTRUCTOR.
10071         * varasm.c (const_hash_1, compare_constant, copy_constant,
10072         compute_reloc_for_constant, output_addressed_constants,
10073         initializer_constant_valid_p, output_constant,
10074         array_size_for_constructor, output_constructor): Update to cope with
10075         VEC in CONSTRUCTOR_ELTS.
10076         * vec.h (VEC_empty, VEC_copy): New macros.
10077
10078 2005-07-19  Devang Patel  <dpatel@apple.com>
10079
10080         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10081
10082 2005-07-19  Richard Henderson  <rth@redhat.com>
10083
10084         PR tree-opt/22278
10085         * gimplify.c (gimplify_expr): Use main variant type for the temp
10086         destination for a discarded volatile read.
10087         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10088         casts between non-void types that change volatility.
10089
10090 2005-07-15  DJ Delorie  <dj@redhat.com>
10091
10092         * toplev.h: Add comment about the first parameter for warning().
10093         * errors.h: Likewise.
10094
10095         * c.opt (Wpragmas): New.
10096         * doc/invoke.texi: Document it.
10097
10098         * function.c (do_warn_unused_parameter): Add warning control to
10099         warning call.
10100         * c-decl.c (warn_if_shadowing): Likewise.
10101         * c-lex.c (cb_def_pragma): Likewise.
10102         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10103         (pop_alignment): Likewise.
10104         (handle_pragma_pack): Likewise.
10105         (apply_pragma_weak): Likewise.
10106         (handle_pragma_weak): Likewise.
10107         (handle_pragma_redefine_extname): Likewise.
10108         (add_to_renaming_pragma_list): Likewise.
10109         (handle_pragma_extern_prefix): Likewise.
10110         (maybe_apply_renaming_pragma): Likewise.
10111         (handle_pragma_visibility): Likewise.
10112
10113         * config/c4x/c4x-c.c (BAD): Likewise.
10114         (c4x_parse_pragma): Likewise.
10115         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10116         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10117         (rs6000_pragma_longcall): Likewise.
10118         * config/v850/v850-c.c (pop_data_area): Likewise.
10119         (ghs_pragma_section): Likewise.
10120         (ghs_pragma_section): Likewise.
10121         (ghs_pragma_interrupt): Likewise.
10122         (ghs_pragma_starttda): Likewise.
10123         (ghs_pragma_startsda): Likewise.
10124         (ghs_pragma_startzda): Likewise.
10125         (ghs_pragma_endtda): Likewise.
10126         (ghs_pragma_endsda): Likewise.
10127         (ghs_pragma_endzda): Likewise.
10128
10129 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10130             Kenneth Zadeck <zadeck@naturalbridge.com>
10131
10132         * Makefile.in: Removed tree-promote-statics.c
10133         * tree-promote-statics.c: Removed.
10134         * common.opt: Removed flag-promote-statics.
10135         * opts.c: Ditto.
10136         * passes.c: Removed tree-promote-statics pass.
10137         * tree-pass.h: Ditto.
10138         * timevar.def: Removed TV_PROMOTE_STATICS.
10139
10140
10141 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10142
10143         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10144         and *-*-freebsd9.
10145         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10146
10147 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10148
10149         PR c/22476
10150         * c-common.c (check_function_arguments): Call
10151         'check_function_format' if either -Wformat or
10152         -Wmissing-format-attribute are specified.
10153         * c-format.c (check_function_format): Check -Wformat before
10154         calling 'check_format_info'.
10155         * c-opts.c (c_common_post_options): Don't warn for
10156         -Wmissing-format-attribute without -Wformat.
10157         * c-typeck.c (convert_for_assignment): Detect additional cases for
10158         -Wmissing-format-attribute.
10159         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10160         behavior.
10161
10162 2005-07-19  Richard Guenther  <rguenther@suse.de>
10163
10164         * config/i386/i386.md (lrint<mode>2): Use temporary
10165         instead of clobbering non-existent memory.
10166
10167 2005-07-19  Nick Clifton  <nickc@redhat.com>
10168
10169         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10170         statement to avoid displaying ASCII control characters.
10171
10172 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10173
10174         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10175         * cfganal.c (find_edge_index): Ditto.
10176         * combine.c (combine_instructions): Ditto.
10177         * ddg.c (create_scc): Ditto.
10178         (find_successors): Ditto.
10179         (find_predecessors): Ditto.
10180         (find_nodes_on_paths): Ditto.
10181         (longest_simple_path): Ditto.
10182         * flow.c (update_life_info): Ditto.
10183         (count_or_remove_death_notes): Ditto.
10184         (clear_log_links): Ditto.
10185         * modulo-sched.c (generate_reg_moves): Ditto.
10186         (find_max_asap): Ditto.
10187         (find_max_hv_min_mob): Ditto.
10188         (find_max_dv_min_mob): Ditto.
10189         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10190         * sched-rgn.c (extract_edgelst): Ditto.
10191         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10192         (dump_update_ssa): Ditto.
10193         (ssa_names_to_replace) Ditto.
10194         (switch_virtuals_to_full_rewrite): Ditto.
10195         (update_ssa): Ditto.
10196         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10197
10198 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10199
10200         Fix PR tree-optimization/22483
10201
10202         * tree-complex.c (create_components): Use
10203         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10204         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10205         * tree-flow.h (safe_referenced_var_iterator): New structure.
10206         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10207         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10208         safe_referenced_var iterator.
10209         (add_type_alias): Ditto.
10210
10211 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10212
10213         * loop-init.c (rest_of_handle_loop2): Remove.
10214         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10215         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10216         (pass_rtl_loop_init, pass_rtl_loop_done,
10217         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10218         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10219         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10220         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10221         pass_tree_loop_done, and pass_tree_unswitch.
10222         (gate_loop): Rename to gate_tree_loop.
10223         * passes.c (init_optimization_passes): Update for renamed tree
10224         loop passes.  Add the new loop2 passes as subpasses of loop2.
10225         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10226         Update for the renamed tree loop passes.
10227
10228 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10229
10230         PR middle-end/22057
10231         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10232         blocks when optimizing.
10233
10234 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10235
10236         * common.opt (frename-registers): Initialize to 2.
10237         (fweb): Ditto.
10238         (fgcse-after-reload): Ditto.
10239         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10240         (process_options): Only change flag_web, flag_rename_registers,
10241         and flag_rerun_cse_after_loop if not explicitly set by user.
10242
10243 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10244
10245         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10246         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10247         in 64-bit mode the same as DImode in 32-bit mode.
10248         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10249         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10250         mode. Add new mode parameter.
10251         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10252         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10253         x86_64_shift_adj): New expanders.
10254         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10255         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10256         insns.
10257         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10258         DImode shift splitters.
10259         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10260         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10261         mode parameter.
10262
10263 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10264
10265         * i386.md (movdi_extzv_1): New.
10266         (zero_extendhidi2): Combine alternatives and never force use of
10267         REX64 prefix.
10268         (zero_extendqidi2): Likewise. Don't restrict input selection.
10269
10270 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10271
10272         Fix PR tree-optimization/22531
10273         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10274          moment.
10275
10276 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10277
10278         * tree-promote-statics.c (pass_promote_statics): Change dump file
10279          name.
10280
10281 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10282
10283         * tree-optimize.c (init_tree_optimization_passes): Add
10284         pass_eliminate_useless_stores pass.
10285         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10286         * tree-ssa-pre.c (is_copy_stmt): New function.
10287         (follow_copies_till_vuse): Ditto.
10288         (do_eustores): Ditto.
10289         (gate_eustores): Ditto.
10290
10291 2005-07-16  Richard Henderson  <rth@redhat.com>
10292
10293         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10294
10295 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10296            Kenneth Zadeck <zadeck@naturalbridge.com>
10297
10298         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10299         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10300         ipa-type-escape.h, tree-promote-statics.c
10301         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10302         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10303         tree-promote-statics.c: new files.
10304         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10305         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10306         int nonlocal_set_p, mark_constant_function): Deleted.
10307         (rest_of_handle_cfg): Removed call to mark_constant_function.
10308         (nonoverlapping_component_refs_p): Added calls to support
10309         type based aliasing.
10310         * tree-ssa-alias.c (may_alias_p,
10311         compute_flow_insensitive_aliasing): Ditto.
10312         * calls.c (flags_from_decl_or_type): Removed reference to
10313         cgraph_rtl_info.
10314         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10315         too many arguments.  This is necessary for Spec 2000.
10316         * cgraph.h (const_function, pure_function): Removed.
10317         * common.opt: Added "fipa-pure-const", "fipa-reference",
10318         "fipa-type-escape", and "ftree-promote-static".
10319         * opts.c: Ditto.
10320         * passes.c: Added ipa and tree-promote-statics passes.
10321         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10322         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10323         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10324         * tree-flow.h: Added exposed sra calls and addition of
10325         reference_vars_info field for FUNCTION_DECLS.
10326         * tree-pass.h: Added passes.
10327         * tree-sra.c: (sra_init_cache): New function.
10328         (sra_insert_before, sra_insert_after) Made public.
10329         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10330         and made public.
10331         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10332         aliasing. (may_alias_p): Added code to use type escape analysis to
10333         improve alias sets.
10334         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10335         code to prune clobbers of static variables based on information
10336         produced in ipa-reference pass.  Changed call clobbering so that
10337         statics are not marked as clobbered if the call does not clobber
10338         them.
10339
10340 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10341
10342         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10343         too.
10344
10345 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10346
10347         * doc/install.texi (*-*-solaris2*): Document recommended version
10348         of GNU binutils and mention GNU linker problem on Solaris 10.
10349
10350 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10351
10352         PR c/22421
10353         * c-decl.c (c_build_bitfield_integer_type): New function.
10354         (finish_struct): Call it.
10355         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10356
10357 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10358
10359         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10360         before returning.
10361
10362 2005-07-16  Jan Hubicka  <jh@suse.cz>
10363
10364         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10365         (scale_bbs_frequencies_int): Watch roundoff errors.
10366         * predict.c (return_prediction): Initialize return_stmt.
10367
10368 2005-07-16  Jan Hubicka  <jh@suse.cz>
10369
10370         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10371         after RTL profiling.
10372
10373 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10374
10375         PR middle-end/22398
10376         * fold-const.c (build_range_check): Convert high/low to etype
10377         if we are only comparing against exp.
10378
10379 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10380
10381         Fix PR tree-optimization/22376
10382         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10383         special var here.
10384         (need_to_solve): New function.
10385         (compute_points_to_sets): Use it.
10386
10387 2005-07-15  Jan Hubicka  <jh@suse.cz>
10388
10389         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10390         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10391
10392 2005-07-15  Richard Guenther  <rguenther@suse.de>
10393
10394         * c-common.c (handle_flatten_attribute): New function.
10395         Add flatten function attribute.
10396         * doc/extend.texi: Document flatten function attribute.
10397         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10398         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10399         New functions.
10400         (cgraph_decide_inlining): Handle functions with flatten
10401         attribute.
10402
10403 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10404
10405         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10406         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10407         UNSPEC_XCHG, UNSPEC_AND): New.
10408         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10409         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10410         * config/rs6000/sync.md (FETCHOP): New code macro.
10411         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10412         New code attrs.
10413         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10414         (sync_compare_and_swap<mode>): Same.
10415         (sync_lock_test_and_set<mode>): Same.
10416         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10417         for QImode and HImode, and not PPC405.
10418         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10419         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10420         (sync_<fetchop>{si,di}_internal): New.
10421         (sync_nand{si,di}_internal): New.
10422         (sync_old_<fetchop>{si,di}_internal): New.
10423         (sync_old_nand{si,di}_internal): New
10424         (sync_new_<fetchop>{si,di}_internal): New.
10425         (sync_new_nand{si,di}_internal): New.
10426         (atomic_and{si,di}): New.
10427         (sync_new_nand{si,di}_internal): New.
10428         (atomic_and{si,di}): New.
10429         (sync_add<mode>_internal): Delete.
10430         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10431         (sync_sub<mode>_internal): Delte.
10432         (sync_subshort_internal): New.
10433         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10434         (sync_anddi_internal): Delete.
10435         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10436         (sync_booldi_internal): Delete.
10437         (sync_boolc<mode>_internal): Delete.
10438         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10439         (sync_boolc<mode>_internal2): Delete.
10440         (sync_boolcc<mode>_internal): Delete.
10441         (isync, lwsync): Use unspec instead of unspec_volatile.
10442         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10443         Revert UNSPEC_VOLATILE.
10444         (rs6000_split_atomic_op): New.
10445         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10446
10447 2005-07-14  Eric Christopher  <echristo@redhat.com>
10448
10449         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10450         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10451
10452 2005-07-14  Eric Christopher  <echristo@redhat.com>
10453
10454         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10455
10456 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10457
10458         PR tree-optimization/22230
10459         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10460         the computation of the four cross productions for "range op range".
10461
10462 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10463             Ulrich Weigand  <uweigand@de.ibm.com>
10464
10465         PR target/20126
10466         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10467         in some insn.
10468
10469 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10470
10471         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10472
10473 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10474
10475         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10476
10477 2005-07-14  Richard Guenther  <rguenther@suse.de>
10478
10479         PR middle-end/22347
10480         * config/i386/i386-protos.h (ix86_function_value): Change
10481         prototype to match new target hook.
10482         * config/i386/i386.c (ix86_value_regno): Change prototype
10483         to take extra type argument.
10484         (TARGET_FUNCTION_VALUE): Define.
10485         (ix86_function_ok_for_sibcall): Pass extra argument to
10486         ix86_value_regno, check return slot rtx for exact match.
10487         (ix86_function_value): Take extra parameter.  Dispatch to
10488         ix86_value_regno with fndecl/fntype as provided.
10489         (ix86_value_regno): Handle extra type argument.
10490         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10491
10492         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10493         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10494         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10495         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10496         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10497
10498 2005-07-14  Richard Guenther  <rguenther@suse.de>
10499
10500         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10501         * calls.c (expand_call): Pass fntype to hard_function_value.
10502         (emit_library_call_value_1): Likewise.
10503         * explow.c: Include target.h.
10504         (hard_function_value): Take extra argument, the fntype.
10505         Use new target hook for function_value.
10506         * expr.h (hard_function_value): Change prototype.
10507         * function.c (aggregate_value_p): Pass 0 as fntype to
10508         hard_function_value.
10509         (assign_parms): Use new target hook for function_value.
10510         Pass 0 as fntype to hard_function_value.
10511         (expand_function_end): Likewise.
10512         * reg-stack.c: Include target.h.
10513         (stack_result): Use new target hook for function_value.
10514         * target-def.h: New target hook function_value.
10515         * target.h: Likewise.
10516         * targhooks.c (default_function_value): New function.
10517         * targhooks.h (default_function_value): Declare.
10518
10519 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10520
10521         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10522
10523 2005-07-14  Jan Hubicka  <jh@suse.cz>
10524
10525         * tree-dfa.c (dump_variable): Use default_def function.
10526         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10527         * tree-ssa.c (verify_use): Likewise.
10528         * tree-ssanames.c (release_ssa_name): Likewise.
10529         * tree-tailcall.c (eliminate_tail_call): Likewise.
10530         (tree_optimize_tail_calls_1): Likewise.
10531         * tree-vrp.c (get_value_range): Likewise.
10532
10533 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10534
10535         * gcc.c (main): Compare language[0] with '*' when iterating over
10536         the infiles.
10537
10538 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10539
10540         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10541         "s390_emit_compare".  Add handling of CCZ1mode.
10542         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10543         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10544         checking.
10545         (s390_branch_condition_mask): Add CCZ1mode handling.
10546         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10547         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10548         Use CCZ1mode instead of CCZmode.
10549         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10550
10551 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10552
10553         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10554         pattern.
10555         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10556
10557 2005-07-13  Eric Christopher  <echristo@redhat.com>
10558
10559         * config/mips/mips.c (mips_canonicalize_comparison): New.
10560         (mips_emit_int_relational): Use.
10561
10562 2005-07-13  Eric Christopher  <echristo@redhat.com>
10563
10564         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10565         static extra parts.
10566         * config/s390/s390.md: Include tpf.md. Move tpf specific
10567         patterns...
10568         * config/s390/tpf.md: To here.
10569         * config/s390/s390.opt: Move tpf specific options...
10570         * config/s390/tpf.opt: to here. Add mmain option.
10571         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10572         * config/s390/tpf.h: Rewrite.
10573
10574 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10575
10576         * doc/tm.texi: Remove @xref{Cross-profiling}.
10577
10578 2005-07-13  Jeff Law  <law@redhat.com>
10579
10580         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10581         expressions, test their _DECL operands for pointer equality rather
10582         than using operand_equal_p.
10583
10584 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10585
10586         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10587         (TARGET_POSIX_IO): This.
10588         * config/darwin.h: Likewise.
10589         * config/freebsd.h: Likewise.
10590         * config/linux.h: Likewise.
10591         * config/lynx.h: Likewise.
10592         * config/netbsd.h: Likewise.
10593         * config/rs6000/linux64.h: Likewise.
10594         * config/rs6000/linux.h: Likewise.
10595         * config/s390/tpf.h: Likewise.
10596         * config/sh/embed-elf.h: Likewise.
10597         * config/sparc/linux64.h: Likewise.
10598         * config/sparc/linux.h: Likewise.
10599         * config/svr4.h: Likewise.
10600         * gcov-io.h: Likewise.
10601
10602         * doc/tm.texi: Updated.
10603
10604         * libgcov.c (create_file_directory): Defined only if
10605         TARGET_POSIX_IO is defined.
10606         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10607         is defined.
10608
10609 2005-07-13  Jan Hubicka  <jh@suse.cz>
10610
10611         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10612
10613 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10614
10615         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10616         structure as argument.
10617
10618 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10619
10620         PR tree-optimization/21921
10621         * tree-iterator.c (tsi_link_before): Support the case when
10622         tsi_end_p (tsi) == true.
10623
10624 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10625
10626         PR tree-optimization/22442
10627         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10628         correctly.
10629
10630 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10631
10632         PR rtl-optimization/20376
10633         * toplev.c (process_options): Enable -fweb and -frename-registers when
10634         unrolling.
10635         * doc/invoke.texi: Update the information about when -fweb and
10636         -frename-registers are enabled.
10637
10638 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10639
10640         PR tree-opt/21840
10641         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10642         if *rhs_p is not a SSA_NAME.
10643
10644 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10645
10646         Fix PR tree-optimization/22422
10647         * tree-ssa-structalias.c (struct variable_info): Add flag for
10648         special vars.
10649         (get_varinfo): Now a static function.
10650         (new_varinfo): init has_union and is_special_var to false.
10651         (solution_set_add): Check has_union.
10652         (do_da_constraint): Move temporary variable so it gets reset
10653         properly.
10654         Also check for special variable.
10655         (do_ds_constraint): Ditto.
10656         (do_sd_constraint): Ditto.
10657         (do_structure_copy): Check for special variable.
10658         (find_func_aliases): Ditto.
10659         (init_base_vars): Set special vars properly.
10660
10661 2005-07-13  Jan Hubicka  <jh@suse.cz>
10662
10663         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10664         do unit-at-a-time.
10665
10666         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10667         (get_expr_operands): Fix thinko wrt flags and subvars.
10668
10669         PR tree-optimize/22379
10670         * tree-inline.c (expand_call_inline): Do not output sorry in early
10671         inlining.
10672
10673 2005-07-12  Dale Johannesen  <dalej@apple.com>
10674
10675         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10676
10677 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10678
10679         PR bootstrap/21704
10680         * host-linux.h: Include limits.h.
10681
10682 2005-07-12  Dale Johannesen  <dalej@apple.com>
10683
10684         * expr.c (compress_float_constant):  Add cost check.
10685         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10686
10687 2005-07-12  Dale Johannesen  <dalej@apple.com>
10688
10689         * gcc.target/i386/compress-float-sse.c:  New.
10690         * gcc.target/i386/compress-float-sse-pic.c:  New.
10691         * gcc.target/i386/compress-float-387.c:  New.
10692         * gcc.target/i386/compress-float-387-pic.c:  New.
10693         * gcc.dg/compress-float-ppc.c:  New.
10694         * gcc.dg/compress-float-ppc-pic.c:  New.
10695
10696 2005-07-12  Eric Christopher  <echristo@redhat.com>
10697
10698         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10699         static extra parts.
10700         * config/s390/s390.md: Include tpf.md. Move tpf specific
10701         patterns...
10702         * config/s390/tpf.md: To here.
10703         * config/s390/s390.opt: Move tpf specific options...
10704         * config/s390/tpf.opt: to here. Add mmain option.
10705         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10706         * config/s390/tpf.h: Rewrite.
10707
10708 2005-07-12  Eric Christopher  <echristo@redhat.com>
10709
10710         * gcc.c (struct infile): Update comment for language.
10711         (main): Rewrite input file resetting code.
10712
10713 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10714
10715         PR tree-opt/22335
10716         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10717         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10718         (lookup_avail_expr): Use constant_boolean_node instead
10719         of boolean_false_node/boolean_true_node.
10720
10721 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10722
10723         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10724         and use it when printing num_edges.
10725
10726 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10727
10728         * doc/extend.texi (Blackfin Built-in Functions): New section.
10729         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10730         @opindex.
10731
10732 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10733
10734         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10735         s/cmpstrsi/cmpstrnsi
10736         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10737         'cmpstrnsi'.
10738         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10739         (init_optabs): Initialize cmpstrn_optab.
10740         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10741         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10742         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10743         * config/i386/i386.md: s/cmpstr/cmpstrn
10744         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10745         * doc/md.texi: Update documentation.
10746
10747 2005-07-11  Richard Henderson  <rth@redhat.com>
10748
10749         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10750         build_va_arg_indirect_ref.
10751         (alpha_gimplify_va_arg): Likewise.
10752         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10753         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10754         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10755         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10756         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10757         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10758         Likewise.
10759         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10760
10761 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10762
10763         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10764         * passes.c (init_optimization_passes): Add pass_empty_loop.
10765         * tree-pass.h (pass_empty_loop): Declare.
10766         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10767         try_remove_empty_loop, remove_empty_loops): New functions.
10768         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10769         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10770
10771 2005-07-12  Peter Barada  <peter@the-baradas.com>
10772
10773         PR middle-end/16719
10774         PR middle-end/18421
10775         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10776         in address registers.
10777         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10778         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10779         alternative of addsi3_5200.
10780
10781 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10782
10783         * config/mips/mips.md (ffs<mode>2): Remove.
10784
10785 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10786
10787         * doc/tree-ssa.texi (Cleanups): Improve description of
10788         TRY_FINALLY_EXPR.
10789         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10790
10791 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10792
10793         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10794         * tree.h (DECL_ARGUMENT_FLD): New macro.
10795
10796 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10797
10798         Fix PR tree-optimization/22404
10799
10800         * tree-ssa-structalias.c (create_variable_info_for): Use
10801         correct offset.
10802
10803 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10804
10805         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10806         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10807         for second comparison operand.
10808         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10809
10810         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10811         (define_insn_reservation "alu"): Likewise.
10812         (csync, ssync): Now of type sync.
10813         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10814         -mcsync-anomaly -mspecld-anomaly.
10815         * config/bfin/bfin.opt (mcsync): Remove.
10816         (mcsync-anomaly, mspecld-anomaly): Add.
10817         * config/bfin/bfin.c: Include "insn-codes.h".
10818         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10819         (TARGET_DEFAULT_TARGET_FLAGS): New.
10820         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10821
10822 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10823
10824         * basic-block.h: Give the BB flags enum a name, bb_flags.
10825         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10826         * cfgcleanup.c (enum bb_flags): Remove here.
10827         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10828         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10829         (update_forwarder_flag): Likewise.
10830         (thread_jump): Likewise.
10831         (try_forward_edges): Likewise.
10832         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10833         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10834         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10835
10836 2005-07-11  Richard Guenther  <rguenther@suse.de>
10837
10838         * config/i386/i386.opt: New target option -msseregparm.
10839         * config/i386/i386.c (override_options): Error out for
10840         -msseregparm but no SSE support.
10841         (ix86_function_sseregparm): Check for global sseregparm.
10842         * doc/invoke.texi: Document -msseregparm.
10843
10844 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10845
10846         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10847         (m32rle-*-linux*): Ditto.
10848
10849 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10850
10851         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10852         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10853         bytes.
10854
10855 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10856
10857         PR middle-end/22239
10858         PR target/20126
10859         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10860         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10861
10862 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10863
10864         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10865         (varmap): Heapify varmap.
10866         (constraints): Heapify constraints.
10867         (struct constraint_graph): Heapify succs and preds.
10868         (constraint_vec_find): Update for heapification.
10869         (constraint_set_union): Ditto.
10870         (insert_into_complex): Ditto.
10871         (constraint_edge_vec_find): Ditto.
10872         (erase_graph_self_edge): Ditto.
10873         (add_graph_edge): Ditto.
10874         (get_graph_weights): Ditto.
10875         (merge_graph_nodes): Ditto.
10876         (build_constraint_graph): Ditto.
10877         (topo_visit): Ditto.
10878         (solve_graph): Ditto.
10879         (create_variable_info_for): Ditto.
10880         (init_base_vars): Ditto.
10881         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10882         (condese_varmap_nodes): Free complex vector.
10883         (clear_edges_for_node): Clear succs and preds vector.
10884
10885 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10886
10887         * tree-ssa-structalias.c (update_alias_info): Change counting of
10888         references to not include vdefs.
10889
10890 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10891
10892         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10893         (up_insert): Ditto.
10894
10895 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10896
10897         * pa.c (pa_commutative_p): Make PLUS commutative when
10898         TARGET_NO_SPACE_REGS is true.
10899
10900 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10901
10902         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10903         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10904         * tree-dfa.c (dump_subvars_for): New.
10905         (debug_subvars_for): New.
10906         (dump_variable): Show subvariables if VAR has them.
10907         * tree-flow-inline.h (get_subvar_at): New.
10908         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10909         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10910         Update all users.
10911         (struct subvar): Change fields offset and size to unsigned
10912         HOST_WIDE_INT.
10913         (dump_subvars_for): Declare.
10914         (debug_subvars_for): Declare.
10915         (get_subvar_at): Declare.
10916         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10917         to unsigned HOST_WIDE_INT *.
10918         (overlap_subvar): Likewise.
10919         * tree-gimple.c (is_gimple_reg): Always return false for
10920         SFTs and memory tags.
10921         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10922         Update all callers.
10923         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10924         (compute_may_aliases): Call compute_points_to_sets.
10925         (collect_points_to_info_for): Remove.
10926         (compute_points_to_and_addr_escape): Remove.
10927         (delete_alias_info): Call delete_points_to_sets.
10928         (compute_flow_sensitive_aliasing): If the call to
10929         find_what_p_points_to returns false, call set_pt_anything.
10930         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10931         (set_pt_anything): Clear pi->pt_vars.
10932         (set_pt_malloc): Remove.
10933         (merge_pointed_to_info): Remove.
10934         (add_pointed_to_expr): Remove.
10935         (add_pointed_to_var): Remove.
10936         (collect_points_to_info_r): Remove.
10937         (is_escape_site): Make extern.
10938         (create_sft): New.
10939         (create_overlap_variables_for): Call it.
10940         * tree-ssa-copy.c (merge_alias_info): Never merge
10941         flow-sensitive alias information.
10942         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10943         offset and size to be unsigned HOST_WIDE_INT.
10944         (add_to_addressable_set): Rename from note_addressable.
10945         Set TREE_ADDRESSABLE as the variables are added to the set.
10946         Update all users.
10947         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10948         operands into VUSEs when adding V_MAY_DEFs for members in an
10949         alias set.
10950         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10951         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10952         (struct variable_info): Add bitfield is_heap_var.
10953         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10954         (new_var_info): Initialize is_heap_var.
10955         (get_constraint_for): Add HEAP variables to the symbol table.
10956         Mark them with is_heap_var.
10957         (update_alias_info): New.  Taken mostly from the old
10958         compute_points_to_and_addr_escape.
10959         (handle_ptr_arith): New.
10960         (find_func_aliases): Call update_alias_info.
10961         Call handle_ptr_info for tcc_binary expressions.
10962         Call mark_stmt_modified.
10963         (create_variable_info_for): If DECL has subvars, do not create
10964         variables for its subvars.  Always add all the fields.
10965         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10966         SFTs, then add all the SFTs of the structure.
10967         If VI->DECL is an aggregate with subvariables, add the SFT at
10968         VI->OFFSET.
10969         (find_what_p_points_to): If VI is an artificial variable,
10970         translate to bitfields in SSA_NAME_PTR_INFO.
10971         If the solution is empty, set pi->pt_vars to NULL
10972         (init_base_vars): Create ANYOFFSET.
10973         (compute_points_to_sets): Rename from create_alias_vars.
10974         Make extern.
10975         (pass_build_pta): Remove.
10976         (delete_points_to_sets): Rename from delete_alias_vars.
10977         (pass_del_pta): Remove.
10978         * tree-ssa-structalias.h (struct alias_info): Move from
10979         tree-ssa-alias.h.
10980         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10981         NUM_REFERENCES_SET): Likewise.
10982         (compute_points_to_sets, delete_points_to_sets): Declare.
10983
10984 2005-07-09  Richard Henderson  <rth@redhat.com>
10985
10986         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10987         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10988         alpha_split_lock_test_and_set_12): New functions.
10989         * config/alpha/alpha-protos.h: Update.
10990         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10991         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10992         * config/alpha/sync.md (I12MODE): New.
10993         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10994         (sync_<fetchop_name><I48MODE>): Likewise.
10995         (sync_nand<I48MODE>): Likewise.
10996         (sync_old_<fetchop_name><I48MODE>): Likewise.
10997         (sync_new_<fetchop_name><I48MODE>): Likewise.
10998         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10999         (sync_compare_and_swap<I48MODE>): Likewise.
11000         (sync_lock_test_and_set<I48MODE>): Likewise.
11001         (sync_compare_and_swap<I12MODE>): New.
11002         (sync_compare_and_swap<I12MODE>_1): New.
11003         (sync_lock_test_and_set<I12MODE>): New.
11004         (sync_lock_test_and_set<I12MODE>_1): New.
11005
11006 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11007
11008         PR 21356
11009         PR 22332
11010         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11011
11012 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11013
11014         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11015         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11016
11017 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11018
11019         PR target/21656
11020         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11021
11022 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11023
11024         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11025         memory_operand constraint.
11026         (store_conditional_<mode>): Same.
11027         (sync_compare_and_swap<mode>): Same.
11028         (sync_lock_test_and_set<mode>): Same.
11029
11030 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11031
11032         Rewrite PIC support to more closely model actual instructions.
11033         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11034         (cris_symbol): Remove prototypes for removed functions.
11035         (cris_pic_symbol_type_of, cris_valid_pic_const)
11036         (cris_expand_pic_call_address): Prototypes for new functions.
11037         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11038         variable.
11039         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11040         modifiers.
11041         <case ':'>: Add case for new punctuation character.
11042         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11043         emitting (extra) PIC modifier.
11044         <case UNSPEC>: Do not assert for PLT.
11045         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11046         (cris_expand_prologue, cris_expand_epilogue): Check
11047         for pic_offset_table_rtx usage instead of taking
11048         current_function_uses_pic_offset_table as the final word.
11049         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11050         Remove flag_pic difference.
11051         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11052         the moral equivalents of...
11053         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11054         functions.
11055         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11056         (cris_handle_option): Mark ARG as unused.
11057         (cris_expand_pic_call_address): New worker function for "call",
11058         "call_value".
11059         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11060         output PIC constructs here.
11061         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11062         as symbol-specific modifers, not whole or part of operands.
11063         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11064         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11065         constants and flag_pic.
11066         (CONSTANT_INDEX_P): Adjust for new functions.
11067         (enum cris_pic_symbol_type): New helper type.
11068         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11069         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11070         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11071         define_constants.
11072         ("movsi"): Emit actual instructions for GOT and relative access.
11073         ("*movsi_got_load"): New pattern to set up the register holding
11074         the GOT pointer.
11075         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11076         Adjust FIXME for 'S'.
11077         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11078         Use "movs" for -fpic cases.
11079         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11080         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11081         ("call", "call_value"): Just call cris_expand_pic_call_address for
11082         PIC addresses.
11083         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11084         Remove special pattern.
11085         ("*expanded_call_side", "*expanded_call_value_side"): New
11086         patterns.
11087         (gotplt-to-plt, gotplt-to-plt-side-call)
11088         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11089         peephole2:s.
11090         * config/cris/cris/predicates.md
11091         ("cris_general_operand_or_gotless_symbol"): Remove unused
11092         predicate.
11093         ("cris_general_operand_or_symbol"): Adjust for new functions.
11094
11095 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11096
11097         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11098
11099 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11100
11101         * Makefile.in (TREE_H): Add treestruct.def.
11102         (c-decl.o): Add pointer-set.h
11103         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11104         visibility on regular DECL's.
11105         (merge_decls): Fix the copying of decl nodes of various types for
11106         the new structures.  Don't update RTL, section name, weak status,
11107         etc, on DECL's without RTL.
11108         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11109         Don't check volatile on non-variable types.
11110         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11111         to check whether we have seen arguments.
11112         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11113         flag is checked before field (flag is common, field is not).
11114         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11115         TS_DECL_COMMON could have an origin.
11116         (add_location_or_const_value_attribute): Don't check section name
11117         on non-var/function decls.
11118         (dwarf2out_var_location): Reverse order of tests.
11119         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11120         with DECL_WRTL_CHECK.
11121         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11122         * fold-const.c (fold_binary): Don't check weakness on
11123         non-var/function decls.
11124         (tree_expr_nonzero_p): Ditto.
11125         (fold_checksum_tree): Use tree_decl_extra as sizeof
11126         buffer.
11127         * ggc-page.c (extra_order_size_table): Add sizes for
11128         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11129         tree_field_decl.
11130         * gimplify.c (gimplify_bind_expr): Only set
11131         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11132         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11133         without RTL.
11134         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11135         * langhooks.h (init_ts). New langhook.
11136         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11137         * print-tree.c (print_node): Update to only print fields that
11138         exist in the structures the passed decl has.
11139         * toplev.c (wrapup_global_declarations): Don't reset
11140         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11141         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11142         * tree-inline.c (remap_decl): Ditto.
11143         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11144         * tree-pretty-print.c (print_declaration): Don't print
11145         DECL_REGISTER on things that don't contain it.
11146         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11147         non-var/function decls.
11148         * tree.c (tree_contains_struct): New structure.
11149         (init_priority_for_decl): New hashtable.
11150         (tree_int_map): New structure.
11151         (tree_int_map_eq): New function.
11152         (tree_int_map_marked_p): Ditto.
11153         (tree_int_map_hash): Ditto.
11154         (tree_map): Move to tree.h.
11155         (tree_map_eq): Externalize.
11156         (tree_map_hash): Ditto.
11157         (tree_map_marked_p): Ditto.
11158         (init_ttree): Set up tree_contains_struct and call langhook.
11159         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11160         (tree_code_size): Update for new structures.
11161         (tree_node_structure): Update for new structures.
11162         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11163         without the field.
11164         (copy_node_stat):  Copy init priority.
11165         (build_decl_stat): Ditto for visibility.
11166         (ts_enum_names): New.
11167         (tree_contains_struct_check_failed): New function.
11168         (decl_init_priority_lookup): Ditto.
11169         (decl_init_priority_insert): Ditto.
11170         * treestruct.def: New file.
11171         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11172         (CONTAINS_STRUCT_CHECK): Ditto.
11173         (tree_contains_struct_check_failed): New prototype.
11174         (DECL_CHECK): Removed.
11175         (DECL_MINIMAL_CHECK): New.
11176         (DECL_COMMON_CHECK): Ditto.
11177         (DECL_WRTL_CHECK): Ditto.
11178         (DECL_NON_COMMON_CHECK): Ditto.
11179         (DECL_WITH_VIS_CHECK): Ditto.
11180         (VAR_OR_FUNCTION_DECL_P): Ditto
11181         (struct tree_decl_minimal): New structure.
11182         (struct tree_decl_common): Ditto.
11183         (struct tree_decl_with_rtl): Ditto.
11184         (struct tree_decl_with_vis): Ditto.
11185         (struct tree_decl_non_common): Ditto.
11186         (struct tree_field_decl): Ditto.
11187         (struct tree_parm_decl): Ditto.
11188         (struct tree_var_decl): Ditto.
11189         (struct tree_function_decl): Ditto.
11190         (struct tree_const_decl): Ditto.
11191         (struct tree_result_decl): Ditto.
11192         (union tree_node): Add new structures.
11193         * var-tracking.c (track_expr_p): Reverse order of tests.
11194
11195         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11196
11197 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11198
11199         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11200         * system.h: Poison FINALIZE_PIC.
11201         * doc/tm.texi (FINALIZE_PIC): Remove.
11202
11203 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11204
11205         PR tree-opt/22329
11206         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11207         to the correct type if we have a MODIFY_EXPR.
11208
11209 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11210
11211         PR tree-optimization/22360
11212         * tree.c (upper_bound_in_type): Fix calculations for casting
11213         to a non-wider signed type and casting a signed value to a
11214         wider unsigned type.
11215         (lower_bound_in_type): Fix calculations for casting to a
11216         non-wider signed type.
11217
11218         PR tree-optimization/20139
11219         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11220         release_defs.
11221         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11222         fold_cond_expr_cond.
11223         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11224         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11225
11226 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11227
11228         PR tree-opt/22356
11229         * tree-complex.c (expand_complex_libcall): Produce
11230         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11231
11232 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11233
11234         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11235         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11236         b" assert and inserted fastpath code for this case.
11237         (bitmap_ior): Removed "a != b" assert.
11238
11239 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11240
11241         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11242         (ENDFILE_SPEC): Likewise.
11243         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11244
11245         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11246         a large stack frame at epilogue.
11247
11248 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11249
11250         * final.c: Include sdbout.h when required.
11251
11252 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11253
11254         * config.gcc (*-*-darwin*): Only one target-specific header file
11255         for generic darwin.
11256         (powerpc-*-darwin*): Add version-specific header files.
11257         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11258         * config.in: Regenerate.
11259         * configure: Regenerate.
11260         * gcc.c: Include xregex.h.
11261         (version_compare_spec_function): New.
11262         (spec_function): Add version-compare.
11263         (replace_outfile_spec_function): Reformat comment.
11264         (compare_version_strings): New.
11265         * config/darwin-c.c (version_as_macro): New.
11266         (builtin_define): New.
11267         (darwin_cpp_builtins): New.
11268         * config/darwin-protos.h (darwin_cpp_builtins): New.
11269         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11270         (LIB_SPEC): Make unconditional, update comment.
11271         (TARGET_C99_FUNCTIONS): Define.
11272         * config/darwin.opt: Sort.
11273         (mmacosx-version-min=): New.
11274         * config/darwin7.h: Delete.
11275         * config/darwin8.h: Delete.
11276         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11277         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11278         (TARGET_C99_FUNCTIONS): Define.
11279         * config/rs6000/darwin7.h: New.
11280         * config/rs6000/darwin8.h: New.
11281         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11282         (-mmacosx-version-min): Document.
11283
11284 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11285
11286         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11287
11288 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11289
11290         PR middle-end/22239
11291         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11292
11293 2005-07-07  Khem Raj  <kraj@mvista.com>
11294
11295         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11296         in bytes, not words.
11297
11298 2005-07-07  Paul Brook  <paul@codesourcery.com>
11299
11300         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11301         DEFAULT_FUNCTION_ARG_PADDING to upward.
11302
11303 2005-07-07  Richard Henderson  <rth@redhat.com>
11304
11305         * function.c (locate_and_pad_parm): Record parameter alignment in
11306         stack_alignment_needed.
11307
11308 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11309
11310         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11311         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11312         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11313         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11314         (define_attr "type"): Add isync, sync, load_l, store_c.
11315         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11316         Create scratch volatile MEM.
11317         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11318         sync.
11319         (load_locked_<mode>): New.
11320         (store_conditional_<mode>): New.
11321         (sync_compare_and_swap<mode>): Replace with splitter.
11322         (sync_lock_test_and_set<mode>): Replace with splitter.
11323         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11324         and UNSPECV_ISYNC.
11325         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11326         is ics.  Attribute isync.
11327         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11328         lwsync.
11329         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11330         and UNSPECV_SYNC_OP.
11331         (emit_unlikely_jump): New.
11332         (emit_load_locked): New.
11333         (emit_store_conditional): New.
11334         (rs6000_split_compare_and_swap): New.
11335         (rs6000_split_lock_test_and_set): New.
11336         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11337         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11338         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11339         rs6000_split_lock_test_and_set): Declare.
11340         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11341         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11342         store_c, isync, sync.
11343
11344 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11345
11346         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11347         filenames to gtyp-gen.h.
11348         (s-typ-gen): Use it in place of for loops.
11349
11350 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11351
11352         * hooks.c (hook_bool_rtx_int_false): New function.
11353         * hooks.h (hook_bool_rtx_int_false): Declare.
11354         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11355         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11356         * target.h (struct gcc_target): Add commutative_p member.
11357         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11358         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11359         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11360         (pa_commutative_p): New function.
11361         * jump.c (target.h): Include.
11362         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11363         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11364
11365 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11366
11367         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11368         (s390_expand_setmem): New.
11369         * config/s390/s390.c: Likewise.
11370         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11371         Adapt comments.
11372         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11373         general_operand.  Call new function "s390_expand_setmem".
11374         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11375         ("setmem_long", "*setmem_long"): ... this.
11376
11377 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11378
11379         * config/s390/s390.c: (optimization_options): Enable
11380         TARGET_MVCLE at -Os.
11381         * doc/invoke.texi: Document changes in default behaviour.
11382         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11383
11384 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11385
11386         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11387         defined by back-end.
11388
11389 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11390
11391         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11392         all sets in the pattern.
11393         * config/rs6000/rs6000.md (stack_protect_testsi,
11394         stack_protect_testdi): Likewise.
11395
11396 2005-07-06  Jeff Law  <law@redhat.com>
11397
11398         * tree-vrp.c (simplify_using_ranges): Kill.
11399         (vrp_finalize): Remove call to simplify_using_ranges.
11400         (simplify_stmt_using_ranges): New function extracted from
11401         simplify_using_ranges.
11402         (simplify_div_or_mod_using_ranges): Likewise.
11403         (simplify_abs_using_ranges): Likewise.
11404         (simplify_cond_using_ranges): New function.
11405         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11406         * tree-ssa-propagate.c (substitute_and_fold): Call
11407         simplify_stmt_using_ranges if we have range information.
11408
11409 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11410
11411         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11412         ia64_flag_schedule_isns2.
11413
11414         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11415         reading/writing general registers.
11416         (ia64_function_arg): Revert 2005-06-18 change.
11417
11418 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11419
11420         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11421         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11422
11423 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11424
11425         * function.c (expand_function_end): Revert part of 2005-06-27
11426         patch.  Do sjlj_emit_function_exit_after after return_label.
11427
11428 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11429
11430         * doc/install.texi (--disable-libssp): New.
11431
11432 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11433
11434         * doc/invoke.texi: Update -fforce-mem documentation.
11435         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11436         code for -fforce-mem.
11437         * expmed.c: (store_bit_field,store_fixed_bit_field,
11438         extract_bit_field): Ditto.
11439         * expr.c: (convert_move): Ditto.
11440         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11441         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11442         emit_conditional_add,expand_float,expand_fix): Ditto.
11443         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11444         (common_handle_option): Issue warning when -fforce-mem specified.
11445
11446 2005-07-06  Paul Brook  <paul@codesourcery.com>
11447
11448         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11449         argument is empty.
11450         * configure: Regenerate.
11451
11452 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11453
11454         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11455
11456 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11457
11458         Fix PR tree-optimization/22319
11459         Fix PR tree-optimization/22140
11460         Fix PR tree-optimization/22310
11461
11462         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11463         variable sized types.
11464         Use correct type for intermediate structure on *a = *b structure
11465         copies.
11466
11467 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11468
11469         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11470         Remove.
11471         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11472         (machine_function): Move typedef to...
11473         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11474         varargs_save_offset field.
11475         (rs6000_stack_t): Remove varargs_size field.
11476         (setup_incoming_varargs): Allocate varargs save area using
11477         assign_stack_local, try to make it as small as possible.
11478         Save offset from virtual_stack_vars_rtx to the save area
11479         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11480         instead of magic 8 when fp word byte size is used.
11481         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11482         instead of -RS6000_VARARGS_SIZE.
11483         (rs6000_stack_info, debug_stack_info,
11484         rs6000_initial_elimination_offset): Remove all traces of
11485         varargs_size.
11486         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11487         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11488         RS6000_VARARGS_AREA.
11489
11490 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11491
11492         PR tree-optimization/21963
11493         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11494         constant_multiple_of in the same way get_computation_cost_at does.
11495
11496 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11497
11498         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11499         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11500         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11501         and return its previous value.
11502         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11503         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11504         constants.
11505         (stack_protect_set, stack_protect_test): New expanders.
11506         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11507         stack_protect_testdi): New insns.
11508         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11509         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11510
11511 2005-07-06  Jeff Law  <law@redhat.com>
11512
11513         * tree-ssa-dce.c (cfg_altered): New global.
11514         (tree_dce_init): Initialize cfg_altered.
11515         (remove_dead_stmt): If we remove an edge in the CFG, then set
11516         CFG_ALTERED.
11517         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11518         the dominators.
11519
11520 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11521
11522         * Makefile.in (stamp-collect-ld): Use
11523         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11524         ./collect-ld if it already exists.
11525         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11526         Don't remove ./nm if it already exists.
11527
11528 2005-07-05  Devang Patel  <dpatel@apple.com>
11529
11530         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11531         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11532         * tree-vectorizer.c (vect_loop_location): New.
11533         (vect_print_dump_info): Use vect_loop_location.
11534         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11535         (vectorize_loops): Set vect_loop_location.
11536         * tree-vect-analyze.c (vect_analyze_offset_expr,
11537         vect_determin_vectorization_factor, vect_analyze_operations,
11538         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11539         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11540         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11541         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11542         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11543         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11544         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11545         vect_analyze_loop): Adjust vect_print_dump_info API.
11546         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11547         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11548         vect_finish_stmt_generation, vectorizable_assignment,
11549         vectorizable_operation, vectorizable_store, vectorizable_load,
11550         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11551         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11552         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11553         vect_transform_loop): Same.
11554         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11555         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11556         Same.
11557
11558 2005-07-05  Randolph Chung  <tausq@debian.org>
11559
11560         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11561         * configure: Regenerate.
11562         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11563         (pa_tls_referenced_p): Declare.
11564         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11565         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11566         (legitimize_tls_address): New.
11567         (hppa_legitimize_address): Handle TLS addresses.
11568         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11569         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11570         (emit_move_sequence): Handle TLS addresses.
11571         (pa_encode_section_info): Call default handler to handle common
11572         sections.
11573         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11574         (CONSTANT_ADDRESS_P): Reject TLS operands.
11575         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11576         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11577         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11578         (UNSPEC_TLSLE): Define new constants.
11579         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11580         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11581         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11582         (tie_symbolic_operand, tle_symbolic_operand): New
11583
11584 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11585
11586         * aclocal.m4: Update macros for autoconf 2.59 style.
11587         * configure.ac: Likewise.
11588
11589 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11590
11591         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11592         (function_arg): Pass small aggregates in general registers on 32-bit
11593         targets.
11594         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11595
11596 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11597
11598         * Makefile.in (final.o): Fix dependencies.
11599
11600 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11601
11602         PR c/22013
11603         PR c/22098
11604         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11605         * langhooks.c (lhd_expr_to_decl): New.
11606         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11607         New.
11608         (LANG_HOOKS_INITIALIZER): Update.
11609         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11610         expr_to_decl langhook.
11611         * c-tree.h (c_expr_to_decl): Declare.
11612         * c-typeck.c (c_expr_to_decl): New.
11613         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11614         specially.
11615         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11616
11617 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11618
11619         PR c/22308
11620         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11621         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11622
11623 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11624
11625         * Makefile.in: Adjust dependencies.
11626         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11627         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11628         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11629         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11630         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11631         rest_of_compilation.
11632
11633         * bb-reorder.c (gate_duplicate_computed_gotos,
11634         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11635         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11636         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11637         pass_partition_blocks): New.
11638         * bt-load.c (gate_handle_branch_target_load_optimize,
11639         rest_of_handle_branch_target_load_optimize,
11640         pass_branch_target_load_optimize): New.
11641         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11642         pass_jump2): New.
11643         * cfglayout.c (pass_insn_locators_initialize): New.
11644         * cfgrtl.c (pass_free_cfg): New.
11645         * combine.c (gate_handle_combine, rest_of_handle_combine,
11646         pass_combine): New.
11647         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11648         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11649         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11650         * except.c (pass_set_nothrow_function_flags,
11651         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11652         pass_rtl_eh): New.
11653         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11654         rest_of_handle_shorten_branches, pass_shorten_branches,
11655         rest_of_clean_state, pass_clean_state): New.
11656         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11657         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11658         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11659         pass_flow2): New.
11660         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11661         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11662         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11663         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11664         pass_gcse): New.
11665         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11666         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11667         pass_rtl_ifcvt, gate_handle_if_after_combine,
11668         rest_of_handle_if_after_combine, pass_if_after_combine,
11669         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11670         pass_if_after_reload): New.
11671         * integrate.c (pass_initial_value_sets): New.
11672         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11673         pass_purge_lineno_notes): New.
11674         * mode-switching.c (rest_of_handle_mode_switching,
11675         pass_mode_switching): New.
11676         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11677         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11678         pass_loop2): New.
11679         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11680         pass_loop_optimize): New.
11681         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11682         pass_sms): New.
11683         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11684         pass_gcse2): New.
11685         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11686         pass_postreload_cse): New.
11687         * profile.c (gate_handle_profiling, pass_profiling,
11688         rest_of_handle_branch_prob, pass_branch_prob): New.
11689         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11690         pass_split_before_regstack, gate_handle_split_before_regstack,
11691         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11692         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11693         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11694         pass_stack_regs): New.
11695         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11696         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11697         pass_stack_adjustments): New.
11698         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11699         pass_regrename): New.
11700         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11701         pass_delay_slots, gate_handle_machine_reorg,
11702         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11703         * rtl.h (extern void purge_line_number_notes): New.
11704         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11705         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11706         pass_sched2): New.
11707         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11708         pass_tracer): New.
11709         * value-prof.c (gate_handle_value_profile_transformations,
11710         rest_of_handle_value_profile_transformations,
11711         pass_value_profile_transformations): New.
11712         * var-tracking.c (gate_handle_var_tracking,
11713         pass_variable_tracking): New.
11714         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11715
11716         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11717         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11718         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11719         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11720         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11721         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11722         rest_of_handle_gcse2, rest_of_handle_regmove,
11723         rest_of_handle_tracer, rest_of_handle_if_conversion,
11724         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11725         rest_of_handle_web, rest_of_handle_branch_prob,
11726         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11727         rest_of_handle_jump_bypass, rest_of_handle_combine,
11728         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11729         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11730         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11731         rest_of_handle_mode_switching, rest_of_handle_jump,
11732         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11733         rest_of_handle_flow2, rest_of_handle_jump2,
11734         rest_of_handle_peephole2, rest_of_handle_postreload,
11735         rest_of_handle_shorten_branches, rest_of_clean_state,
11736         rest_of_compilation): Remove.
11737
11738         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11739         * passes.c (dump_flags, in_gimple_form, all_passes,
11740         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11741         register_dump_files, next_pass_1, last_verified, execute_todo,
11742         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11743         from tree-optimize.c.
11744         (init_optimization_passes): Moved from tree-optimize.c,
11745         adding the RTL optimizations.
11746         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11747         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11748         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11749         register_dump_files, next_pass_1, last_verified, execute_todo,
11750         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11751         init_tree_optimization_passes, ipa_passes): Delete.
11752         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11753         the RTL dumps.
11754         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11755         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11756         from tree.h.
11757         (ipa_passes): Remove.
11758         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11759         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11760         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11761         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11762         (dump_info_p, dump_flag): Moved to tree-dump.h.
11763
11764         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11765         cgraph.c, opts.c.
11766         * passes.c (finish_optimization_passes): Use dump_begin
11767         and dump_end, TDI_end.
11768         (gate_rest_of_compilation): New.
11769         (pass_rest_of_compilation): Use it.
11770         (gate_postreload, pass_postreload): New.
11771         * toplev.c (general_init): Rename init_tree_optimization_passes.
11772         * toplev.h (init_tree_optimization_passes): Rename to
11773         init_optimizations_passes.
11774         * tree-dump.c (dump_flag): Make static.
11775         (dump_files): Remove RTL dumps.
11776         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11777         pass_cleanup_cfg, pass_free_cfg_annotations,
11778         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11779         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11780         * tree-pretty-print.c: Include tree-pass.h.
11781         * cgraph.c: Include tree-dump.h.
11782
11783 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11784
11785         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11786         Only fall back to saying it points to readonly memory if
11787         we can't do better.
11788
11789 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11790
11791         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11792         * config/m32r/m32r.c (m32r_compute_frame_size,
11793         m32r_expand_prologue): Take current_function_profile into
11794         account whenever we reference
11795         current_function_uses_pic_offset_table.
11796         (m32r_finalize_pic): Remove.
11797         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11798
11799 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11800
11801         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11802         instead of $<.  Don't remove ./as if it already exists.
11803
11804 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11805
11806         PR target/21723
11807         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11808         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11809         for complex modes when generating code for PA 1.0.
11810         (VALID_FP_MODE_P): New macro.
11811         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11812         sets for all general and floating point modes.  Align wide floating
11813         point modes to even register boundaries to comply with architectural
11814         requirements.
11815         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11816         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11817         (VALID_FP_MODE_P): New macro.
11818         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11819         sets for all general and floating point modes.  Align wide floating
11820         point modes to even register boundaries to comply with architectural
11821         requirements.
11822
11823 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11824
11825         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11826         to 0.
11827
11828 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11829
11830         * tree-ssa-structalias.c: Don't include expr.h.
11831
11832 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11833
11834         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11835         comments.
11836
11837 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11838
11839         Fix PR tree-optimization/22279
11840
11841         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11842         correct operator.
11843
11844 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11845
11846         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11847
11848 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11849
11850         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11851         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11852         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11853         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11854         config/stormy16/stormy16.c, config/v850/v850.c,
11855         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11856         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11857         Avoid "." or "\n" at end of diagnostics and capital letters at
11858         start of diagnostics.
11859         * combine.c, cse.c: Don't translate dump file output.
11860         * toplev.c (print_version): Only translate output if going to
11861         stderr.
11862
11863 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11864
11865         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11866         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11867         typos.
11868
11869 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11870
11871         * pa.c (fix_range): Fix typo in comment.
11872
11873 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11874
11875         * tree-vrp.c (extract_range_from_assert): Replace
11876         fold (build (...)) with fold_build2.
11877
11878 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11879
11880         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11881         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11882         (format_types_orig, handle_format_attribute): Add support for
11883         format "gcc_gfc".
11884
11885 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11886
11887         * varasm.c (assemble_variable): Fix format specifier thinko.
11888
11889 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11890
11891         PR tree-optimization/22029 (and 22135)
11892         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11893         a phi node before calling dump_vops.
11894
11895 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11896
11897         * tree-dump.h (dump_string_field): Declare.
11898         * tree-dump.c: Use it instead of dump_string.
11899         (dump_string_field): Make non-static.
11900
11901 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11902
11903         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11904         up the minimal CFG stuff always when optimize > 0.  Call
11905         split_all_insns_noflow in PIC case if needed.
11906
11907 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11908             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11909
11910         PR c++/18279
11911         * c-decl.c (c_write_global_declarations): Dump contents of
11912         external scope to.
11913         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11914         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11915         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11916         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11917         is enabled.
11918
11919 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11920
11921         * c-common.h (GCC_DIAG_STYLE): Define.
11922         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11923         version for format checking to 4.1.
11924         * c-format.c: Include toplev.h after c-common.h.
11925         (enum format_type): Add gcc_tdiag_format_type.
11926         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11927         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11928         (format_types_orig): Add gcc_tdiag.
11929         (init_dynamic_diag_info): Support gcc_tdiag formats.
11930         (handle_format_attribute): Likewise.
11931         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11932         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11933         version for format checking to 4.1.
11934         (warning0, warning, error, pedwarn, sorry): Use
11935         ATTRIBUTE_GCC_DIAG.
11936         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11937         (finish_aliases_1): Do not use %qE.
11938         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11939         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11940         Correct format bugs.
11941         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11942         parameter to unsigned HOST_WIDE_INT.
11943         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11944
11945 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11946
11947         PR middle-end/21742
11948         * expr.c (write_complex_part): Use adjust_address for MEM.
11949         (read_complex_part): Same.
11950
11951 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11952
11953         Fix PR tree-optimization/22280
11954
11955         * tree-sra.c (generate_element_init): Remove useless loop.
11956
11957 2005-07-02  Richard Henderson  <rth@redhat.com>
11958
11959         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11960         TLS_MODEL_NONE.
11961         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11962
11963 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11964
11965         PR middle-end/14490
11966         * fold-const.c (fold_binary): Handle the return value of
11967         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11968         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11969
11970 2005-07-02  Jeff Law  <law@redhat.com>
11971
11972         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11973         a eliminate type conversion which feeds an equality comparison
11974         if the original type or either operand in the comparison is a
11975         function pointer.
11976
11977 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11978
11979         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11980         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11981         texts.
11982         * config/avr/avr.c: Do not use '`' as left quote.
11983         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11984         Remove "." from end of diagnostics.  Make diagnostics start with
11985         lowercase letter.
11986
11987 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11988             Joseph S. Myers  <joseph@codesourcery.com>
11989
11990         * toplev.c (default_tree_printer): Handle setting location with
11991         '+' flag.
11992         * c-objc.common.c (c_tree_printer): Likewise.
11993         * c-format.c (gcc_diag_flag_specs): Add '+'.
11994         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11995         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11996         formats.
11997         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11998         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11999         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12000         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12001         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12002         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12003         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12004         format arguments where %J is used without %D.
12005
12006 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12007
12008         * gcc.c (LINK_SSP_SPEC): Define.
12009         (link_ssp_spec): New variable.
12010         (LINK_COMMAND_SPEC): Add %(link_ssp).
12011         (static_specs): Add link_ssp_spec.
12012         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12013         * configure: Rebuilt.
12014         * config.in: Rebuilt.
12015
12016         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12017         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12018         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12019         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12020         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12021         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12022         -0x7008(2) instead of reading __stack_chk_guard variable.
12023         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12024         number.
12025         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12026         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12027         if TARGET_THREAD_SSP_OFFSET is defined.
12028         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12029         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12030
12031         Revert:
12032         2005-06-27  Richard Henderson  <rth@redhat.com>
12033         * libgcc-std.ver (GCC_4.1.0): New.
12034         * libgcc.h (__stack_chk_guard): Declare.
12035         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12036         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12037         * mklibgcc.in (lib2funcs): Add them.
12038
12039 2005-07-01  Richard Henderson  <rth@redhat.com>
12040
12041         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12042         void * before struct sigcontext *.
12043         (x86_fallback_frame_state): Likewise.
12044
12045 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12046
12047         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12048
12049 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12050
12051         PR tree-opt/22269
12052         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12053         we check for SSA_NAME for.
12054
12055 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12056
12057         Fix PR tree-optimization/22071
12058
12059         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12060         function.
12061         (get_constraint_for_component_ref): Use it.
12062
12063 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12064
12065         PR other/22264
12066         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12067         print out the last new line.
12068
12069 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12070
12071         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12072         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12073         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12074         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12075         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12076         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12077         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12078         (enum reg_class): New member CC0_REGS.
12079         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12080         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12081         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12082         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12083         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12084         Adjust for register now described.
12085
12086 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12087
12088         PR target/22262
12089         * config/i386/i386.md (stack_protect_test_si,
12090         stack_protect_test_di): Add earlyclobber for scratch 3.
12091         * config/rs6000/rs6000.md (stack_protect_testsi,
12092         stack_protect_testdi): Add earlyclobber for scratch 3,
12093         remove earlyclobber from scratch 4.
12094
12095 Older entries for 2005 can be found in ChangeLog-2005.